/*
============================================================

Portfolio Website

Copyright © 2026 Marcos Rogério
All rights reserved.

This source code is publicly available for portfolio
presentation and educational purposes only.

You are welcome to study and learn from this project.

Copying or reproducing the design, branding, visual identity,
or content without prior written permission is prohibited.

============================================================
*/

/* ==========================================================
   CSS VARIABLES
========================================================== */

:root {
  --background-primary: #070d19;
  --background-secondary: #0c1424;
  --background-card: #111d31;
  --background-card-hover: #16243b;

  --primary-color: #3b82f6;
  --primary-light: #60a5fa;
  --primary-dark: #2563eb;

  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;

  --border-color: rgba(148, 163, 184, 0.22);
  --border-highlight: rgba(59, 130, 246, 0.5);

  --container-width: 1180px;
  --header-height: 80px;

  --transition: 0.3s ease;
}

/* ==========================================================
   RESET
========================================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  min-height: 100vh;

  overflow-x: hidden;

  background: var(--background-primary);
  color: var(--text-primary);

  font-family: "Inter", sans-serif;

  line-height: 1.6;
}

body.menu-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
}

button {
  border: none;
}

/* ==========================================================
   GENERAL CLASSES
========================================================== */

.container {
  width: min(100% - 40px, var(--container-width));
  margin-inline: auto;
}

/* ==========================================================
   HEADER
========================================================== */

.header {
  position: fixed;

  top: 0;
  left: 0;

  width: 100%;
  height: var(--header-height);

  z-index: 1000;

  background: rgba(7, 13, 25, 0.86);

  border-bottom: 1px solid rgba(148, 163, 184, 0.12);

  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);

  transition:
    background var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
}

.header.scrolled {
  background: rgba(7, 13, 25, 0.96);

  border-color: rgba(148, 163, 184, 0.2);

  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}

.navbar {
  height: 100%;

  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 30px;
}

/* ==========================================================
   LOGO
========================================================== */

.logo {
  flex-shrink: 0;

  display: inline-flex;
  align-items: center;

  gap: 5px;

  font-size: 21px;
  font-weight: 800;

  letter-spacing: -0.7px;

  color: var(--text-primary);
}

.logo strong {
  color: var(--primary-color);
  font-weight: inherit;
}

/* ==========================================================
   NAVIGATION
========================================================== */

.navigation {
  display: flex;
  align-items: center;

  gap: 27px;

  margin-left: auto;
}

.nav-link {
  position: relative;

  padding-block: 8px;

  color: var(--text-secondary);

  font-size: 13px;
  font-weight: 600;

  transition: color var(--transition);
}

.nav-link::after {
  content: "";

  position: absolute;

  left: 0;
  bottom: 0;

  width: 0;
  height: 2px;

  border-radius: 10px;

  background: var(--primary-color);

  transition: width var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* ==========================================================
   HEADER BUTTON
========================================================== */

.header-button {
  flex-shrink: 0;

  display: inline-flex;
  align-items: center;
  justify-content: center;

  min-height: 42px;

  padding: 0 20px;

  border-radius: 999px;

  background: var(--primary-color);
  color: #ffffff;

  font-size: 13px;
  font-weight: 700;

  box-shadow: 0 10px 25px rgba(59, 130, 246, 0.25);

  transition:
    background var(--transition),
    transform var(--transition),
    box-shadow var(--transition);
}

.header-button:hover {
  background: var(--primary-dark);

  transform: translateY(-2px);

  box-shadow: 0 14px 30px rgba(59, 130, 246, 0.35);
}

/* ==========================================================
   MOBILE MENU BUTTON
========================================================== */

.menu-button {
  display: none;

  width: 42px;
  height: 42px;

  align-items: center;
  justify-content: center;
  flex-direction: column;

  gap: 5px;

  border-radius: 10px;

  background: var(--background-card);

  cursor: pointer;
}

.menu-button span {
  width: 20px;
  height: 2px;

  border-radius: 10px;

  background: var(--text-primary);

  transition:
    transform var(--transition),
    opacity var(--transition);
}

.menu-button.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-button.active span:nth-child(2) {
  opacity: 0;
}

.menu-button.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================
   HERO
========================================================== */

.hero {
  position: relative;

  min-height: 100vh;

  display: flex;
  align-items: center;

  padding-top: calc(var(--header-height) + 70px);
  padding-bottom: 80px;

  overflow: hidden;
}

.hero-container {
  position: relative;
  z-index: 2;

  display: grid;

  grid-template-columns:
    minmax(0, 1.05fr)
    minmax(430px, 0.95fr);

  align-items: center;

  gap: 75px;
}

/* ==========================================================
   HERO CONTENT
========================================================== */

.hero-content {
  max-width: 650px;
}

.hero-label {
  width: fit-content;

  display: inline-flex;
  align-items: center;

  gap: 8px;

  margin-bottom: 22px;

  padding: 8px 14px;

  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 999px;

  background: rgba(59, 130, 246, 0.1);

  color: var(--primary-light);

  font-size: 12px;
  font-weight: 700;
}

.hero-label-icon {
  color: #22c55e;
}

.hero-title {
  max-width: 650px;

  margin-bottom: 20px;

  color: var(--text-primary);

  font-size: clamp(46px, 6vw, 76px);
  font-weight: 800;

  line-height: 1.03;
  letter-spacing: -3px;
}

.hero-title span {
  display: block;

  margin-top: 4px;

  color: var(--primary-color);
}

.hero-description {
  max-width: 610px;

  margin-bottom: 30px;

  color: var(--text-secondary);

  font-size: 16px;
  line-height: 1.75;
}

.hero-buttons {
  display: flex;
  align-items: center;
  flex-wrap: wrap;

  gap: 14px;
}

/* ==========================================================
   BUTTONS
========================================================== */

.button {
  min-height: 48px;

  display: inline-flex;
  align-items: center;
  justify-content: center;

  gap: 9px;

  padding: 0 22px;

  border: 1px solid transparent;
  border-radius: 999px;

  font-size: 13px;
  font-weight: 700;

  transition:
    background var(--transition),
    border-color var(--transition),
    color var(--transition),
    transform var(--transition),
    box-shadow var(--transition);
}

.button:hover {
  transform: translateY(-3px);
}

.button-primary {
  background: var(--primary-color);
  color: #ffffff;

  box-shadow: 0 12px 30px rgba(59, 130, 246, 0.28);
}

.button-primary:hover {
  background: var(--primary-dark);

  box-shadow: 0 16px 35px rgba(59, 130, 246, 0.38);
}

.button-secondary {
  border-color: var(--border-color);

  background: rgba(17, 29, 49, 0.45);
  color: var(--text-primary);
}

.button-secondary:hover {
  border-color: var(--primary-color);

  background: rgba(59, 130, 246, 0.08);
}

/* ==========================================================
   HERO VISUAL
========================================================== */

.hero-visual {
  display: flex;
  flex-direction: column;

  align-items: center;

  gap: 58px;
}

/* ==========================================================
   STATISTICS
========================================================== */

.hero-statistics {
  width: 100%;

  display: grid;

  grid-template-columns: repeat(4, 1fr);

  gap: 18px;

  margin-top: 48px;
}

.stat-card {
  min-height: 112px;

  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;

  gap: 7px;

  padding: 18px 10px;

  border: 1px solid var(--border-color);
  border-radius: 14px;

  background: rgba(17, 29, 49, 0.66);

  text-align: center;

  transition:
    border-color var(--transition),
    background var(--transition),
    transform var(--transition);
}

.stat-card:hover {
  border-color: var(--border-highlight);

  background: var(--background-card-hover);

  transform: translateY(-5px);
}

.stat-card strong {
  color: var(--primary-color);

  font-size: 25px;
  font-weight: 800;
}

.stat-card span {
  color: var(--text-secondary);

  font-size: 11px;
  font-weight: 600;
}

/* ==========================================================
   PROFILE
========================================================== */

.profile-wrapper {
  position: relative;

  width: 350px;
  height: 350px;

  display: flex;
  align-items: center;
  justify-content: center;
}

.profile-card {
  width: 275px;
  height: 275px;

  display: flex;
  align-items: center;
  justify-content: center;

  border: 1px solid var(--border-color);
  border-radius: 24px;

  background: linear-gradient(
    145deg,
    rgba(30, 46, 71, 0.9),
    rgba(13, 24, 42, 0.95)
  );

  box-shadow:
    0 30px 70px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.profile-image-border {
  width: 220px;
  height: 220px;

  padding: 7px;

  border: 2px solid rgba(255, 255, 255, 0.9);
  border-radius: 50%;

  background: linear-gradient(
    135deg,
    rgba(59, 130, 246, 0.8),
    rgba(255, 255, 255, 0.9),
    rgba(59, 130, 246, 0.7)
  );

  box-shadow:
    0 0 30px rgba(59, 130, 246, 0.35),
    0 0 55px rgba(255, 255, 255, 0.15);
}

.profile-image {
  width: 100%;
  height: 100%;

  object-fit: cover;
  object-position: center top;

  border: 5px solid var(--background-secondary);
  border-radius: 50%;
}

/* ==========================================================
   TECHNOLOGY BADGES
========================================================== */

.technology-badge {
  position: absolute;
  z-index: 3;

  padding: 8px 13px;

  border: 1px solid rgba(96, 165, 250, 0.5);
  border-radius: 999px;

  background: rgba(7, 13, 25, 0.94);
  color: var(--text-primary);

  font-size: 11px;
  font-weight: 700;

  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.badge-power-bi {
  top: 40px;
  left: 0;
}

.badge-sql {
  top: 78px;
  right: 0;
}

.badge-python {
  bottom: 55px;
  left: -5px;
}

.badge-tableau {
  right: -5px;
  bottom: 20px;
}

/* ==========================================================
   HERO BACKGROUND EFFECTS
========================================================== */

.hero-glow {
  position: absolute;

  border-radius: 50%;

  filter: blur(110px);

  pointer-events: none;
}

.hero-glow-one {
  top: 20%;
  left: -150px;

  width: 360px;
  height: 360px;

  background: rgba(37, 99, 235, 0.12);
}

.hero-glow-two {
  right: -180px;
  bottom: 5%;

  width: 420px;
  height: 420px;

  background: rgba(59, 130, 246, 0.09);
}

/* ==========================================================
   TEMPORARY SECTIONS
========================================================== */

.temporary-section {
  min-height: 500px;

  display: flex;
  align-items: center;
  justify-content: center;

  border-top: 1px solid rgba(148, 163, 184, 0.08);

  background: var(--background-secondary);
}

.temporary-section span {
  color: var(--text-muted);

  font-size: 22px;
  font-weight: 700;
}

/* ==========================================================
   BACK TO TOP BUTTON
========================================================== */

.back-to-top {
  position: fixed;

  right: 24px;
  bottom: 24px;

  z-index: 900;

  width: 46px;
  height: 46px;

  display: flex;
  align-items: center;
  justify-content: center;

  border-radius: 50%;

  background: var(--primary-color);
  color: #ffffff;

  font-size: 20px;
  font-weight: 800;

  cursor: pointer;

  opacity: 0;
  visibility: hidden;

  transform: translateY(18px);

  box-shadow: 0 14px 35px rgba(59, 130, 246, 0.38);

  transition:
    opacity var(--transition),
    visibility var(--transition),
    transform var(--transition),
    background var(--transition);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;

  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--primary-dark);

  transform: translateY(-4px);
}

/* ==========================================================
   RESPONSIVE — NOTEBOOKS
========================================================== */

@media (max-width: 1100px) {
  .navigation {
    gap: 18px;
  }

  .nav-link {
    font-size: 12px;
  }

  .hero-container {
    grid-template-columns: 1fr 1fr;

    gap: 40px;
  }

  .hero-title {
    font-size: clamp(44px, 6vw, 65px);
  }

  .profile-wrapper {
    transform: scale(0.92);
  }
}

/* ==========================================================
   RESPONSIVE — TABLETS
========================================================== */

@media (max-width: 900px) {
  :root {
    --header-height: 72px;
  }

  .header-button {
    display: none;
  }

  .menu-button {
    display: flex;
  }

  .navigation {
    position: fixed;

    top: var(--header-height);
    right: -100%;

    width: min(330px, 85%);
    height: calc(100vh - var(--header-height));

    display: flex;
    align-items: flex-start;
    flex-direction: column;

    gap: 3px;

    padding: 30px;

    background: rgba(7, 13, 25, 0.98);

    border-left: 1px solid var(--border-color);

    transition: right var(--transition);
  }

  .navigation.open {
    right: 0;
  }

  .nav-link {
    width: 100%;

    padding: 14px 5px;

    font-size: 15px;
  }

  .hero {
    padding-top: calc(var(--header-height) + 70px);
  }

  .hero-container {
    grid-template-columns: 1fr;

    text-align: center;
  }

  .hero-content {
    max-width: 720px;

    margin-inline: auto;
  }

  .hero-label {
    margin-inline: auto;
  }

  .hero-description {
    margin-inline: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-visual {
    width: 100%;
  }

  .hero-statistics {
    max-width: 650px;
  }
}

/* ==========================================================
   RESPONSIVE — MOBILE
========================================================== */

@media (max-width: 600px) {
  .container {
    width: min(100% - 30px, var(--container-width));
  }

  .logo {
    font-size: 19px;
  }

  .hero {
    min-height: auto;

    padding-top: calc(var(--header-height) + 55px);
    padding-bottom: 70px;
  }

  .hero-container {
    gap: 45px;
  }

  .hero-title {
    font-size: clamp(42px, 14vw, 58px);

    letter-spacing: -2px;
  }

  .hero-description {
    font-size: 14px;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .hero-statistics {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-card {
    min-height: 100px;
  }

  .profile-wrapper {
    width: 300px;
    height: 310px;

    transform: none;
  }

  .profile-card {
    width: 235px;
    height: 235px;
  }

  .profile-image-border {
    width: 190px;
    height: 190px;
  }

  .technology-badge {
    padding: 7px 10px;

    font-size: 10px;
  }

  .badge-power-bi {
    left: 0;
  }

  .badge-sql {
    right: 0;
  }

  .badge-python {
    left: 0;
  }

  .badge-tableau {
    right: 0;
  }

  .back-to-top {
    right: 16px;
    bottom: 16px;

    width: 43px;
    height: 43px;
  }
}
/* ==========================================================
   GENERAL SECTIONS
========================================================== */

.section {
  position: relative;

  padding: 110px 0;

  overflow: hidden;
}

.section-heading {
  max-width: 760px;

  margin: 0 auto 55px;

  text-align: center;
}

.section-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  margin-bottom: 16px;

  padding: 7px 13px;

  border: 1px solid rgba(59, 130, 246, 0.18);
  border-radius: 999px;

  background: rgba(59, 130, 246, 0.1);
  color: var(--primary-light);

  font-size: 12px;
  font-weight: 700;
}

.section-title {
  margin-bottom: 18px;

  color: var(--text-primary);

  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;

  line-height: 1.15;
  letter-spacing: -1.8px;
}

.section-title span {
  display: block;

  color: var(--primary-light);
}

.section-description {
  max-width: 660px;

  margin-inline: auto;

  color: var(--text-muted);

  font-size: 15px;
  line-height: 1.75;
}

/* ==========================================================
   ABOUT
========================================================== */

.about {
  background: linear-gradient(
    180deg,
    var(--background-primary) 0%,
    var(--background-secondary) 50%,
    var(--background-secondary) 100%
  );

  border-top: 1px solid rgba(148, 163, 184, 0.08);
}

.about-grid {
  display: grid;

  grid-template-columns:
    minmax(320px, 0.8fr)
    minmax(0, 1.2fr);

  align-items: center;

  gap: 80px;
}

/* ==========================================================
   ABOUT IMAGE
========================================================== */

.about-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-image-card {
  position: relative;

  width: 390px;
  height: 440px;

  display: flex;
  align-items: flex-end;
  justify-content: center;

  border: 1px solid var(--border-color);
  border-radius: 28px;

  background: linear-gradient(
    145deg,
    rgba(30, 46, 71, 0.95),
    rgba(11, 21, 37, 0.98)
  );

  box-shadow:
    0 35px 80px rgba(0, 0, 0, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);

  overflow: visible;
}

.about-image-glow {
  position: absolute;

  top: 50%;
  left: 50%;

  width: 280px;
  height: 280px;

  border-radius: 50%;

  background: rgba(59, 130, 246, 0.18);

  filter: blur(75px);

  transform: translate(-50%, -50%);
}

.about-image {
  position: relative;
  z-index: 2;

  width: 100%;
  height: 100%;

  object-fit: contain;
  object-position: center bottom;

  border-radius: 0 0 28px 28px;
}

.about-experience-card {
  position: absolute;
  z-index: 4;

  right: -35px;
  bottom: 34px;

  width: 165px;

  padding: 18px;

  border: 1px solid rgba(96, 165, 250, 0.42);
  border-radius: 15px;

  background: rgba(7, 13, 25, 0.94);

  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);

  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.about-experience-card strong {
  display: block;

  margin-bottom: 4px;

  color: var(--primary-light);

  font-size: 27px;
  font-weight: 800;
}

.about-experience-card span {
  color: var(--text-secondary);

  font-size: 11px;
  font-weight: 600;

  line-height: 1.45;
}

/* ==========================================================
   ABOUT CONTENT
========================================================== */

.about-content {
  min-width: 0;
}

.about-text {
  display: flex;
  flex-direction: column;

  gap: 18px;

  margin-bottom: 30px;
}

.about-text p {
  color: var(--text-secondary);

  font-size: 15px;
  line-height: 1.8;
}

.about-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);

  gap: 14px;

  margin-bottom: 28px;
}

.about-highlight-card {
  min-height: 190px;

  padding: 21px;

  border: 1px solid var(--border-color);
  border-radius: 15px;

  background: rgba(17, 29, 49, 0.72);

  transition:
    border-color var(--transition),
    background var(--transition),
    transform var(--transition);
}

.about-highlight-card:hover {
  border-color: var(--border-highlight);

  background: var(--background-card-hover);

  transform: translateY(-5px);
}

.about-highlight-icon {
  width: 38px;
  height: 38px;

  display: flex;
  align-items: center;
  justify-content: center;

  margin-bottom: 16px;

  border-radius: 11px;

  background: rgba(59, 130, 246, 0.13);
  color: var(--primary-light);

  font-size: 18px;
}

.about-highlight-card h3 {
  margin-bottom: 9px;

  color: var(--primary-light);

  font-size: 15px;
  font-weight: 700;
}

.about-highlight-card p {
  color: var(--text-muted);

  font-size: 12px;
  line-height: 1.65;
}

.about-button {
  width: fit-content;
}

/* ==========================================================
   SKILLS
========================================================== */

.skills {
  background: var(--background-primary);

  border-top: 1px solid rgba(148, 163, 184, 0.08);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);

  gap: 20px;
}

/* ==========================================================
   SKILL CARD
========================================================== */

.skill-card {
  position: relative;

  min-height: 310px;

  display: flex;
  flex-direction: column;

  padding: 30px;

  border: 1px solid rgba(96, 165, 250, 0.25);
  border-radius: 20px;

  background:
    radial-gradient(
      circle at 90% 10%,
      rgba(59, 130, 246, 0.11),
      transparent 34%
    ),
    linear-gradient(145deg, rgba(27, 44, 71, 0.96), rgba(14, 27, 47, 0.98));

  overflow: hidden;

  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.045),
    0 20px 45px rgba(0, 0, 0, 0.18);

  transition:
    border-color 0.35s ease,
    background 0.35s ease,
    transform 0.35s ease,
    box-shadow 0.35s ease;
}

/* Linha luminosa superior */

.skill-card::before {
  content: "";

  position: absolute;

  top: 0;
  left: 28px;
  right: 28px;

  height: 2px;

  background: linear-gradient(
    90deg,
    transparent,
    rgba(96, 165, 250, 0.9),
    transparent
  );

  opacity: 0.65;

  transition:
    opacity 0.35s ease,
    left 0.35s ease,
    right 0.35s ease;
}

/* Brilho interno */

.skill-card::after {
  content: "";

  position: absolute;

  top: -120px;
  right: -110px;

  width: 260px;
  height: 260px;

  border-radius: 50%;

  background: rgba(59, 130, 246, 0.13);

  filter: blur(58px);

  opacity: 0.45;

  pointer-events: none;

  transition:
    opacity 0.35s ease,
    transform 0.35s ease;
}

.skill-card:hover {
  border-color: rgba(96, 165, 250, 0.62);

  background:
    radial-gradient(
      circle at 90% 10%,
      rgba(59, 130, 246, 0.19),
      transparent 38%
    ),
    linear-gradient(145deg, rgba(31, 51, 82, 0.98), rgba(17, 32, 55, 0.99));

  transform: translateY(-9px);

  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 30px 65px rgba(0, 0, 0, 0.3),
    0 0 30px rgba(59, 130, 246, 0.11);
}

.skill-card:hover::before {
  left: 18px;
  right: 18px;

  opacity: 1;
}

.skill-card:hover::after {
  opacity: 0.75;

  transform: scale(1.12);
}

/* ==========================================================
   SKILL CARD TOP
========================================================== */

.skill-card-top {
  position: relative;
  z-index: 2;

  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 15px;

  margin-bottom: 26px;
}

/* ==========================================================
   SKILL ICON
========================================================== */

.skill-icon {
  width: 54px;
  height: 54px;

  display: flex;
  align-items: center;
  justify-content: center;

  border: 1px solid rgba(96, 165, 250, 0.28);
  border-radius: 15px;

  font-size: 23px;
  font-weight: 800;

  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 12px 25px rgba(0, 0, 0, 0.18);

  transition:
    transform 0.35s ease,
    border-color 0.35s ease,
    box-shadow 0.35s ease;
}

.skill-card:hover .skill-icon {
  border-color: rgba(96, 165, 250, 0.55);

  transform: translateY(-4px) scale(1.07);

  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    0 18px 30px rgba(0, 0, 0, 0.25);
}

.skill-icon-powerbi {
  background: rgba(245, 195, 0, 0.13);
}

.skill-icon-sql {
  background: rgba(129, 140, 248, 0.15);
  color: #a5b4fc;
}

.skill-icon-python {
  background: rgba(45, 212, 191, 0.13);
  color: #2dd4bf;
}

.skill-icon-tableau {
  background: rgba(59, 130, 246, 0.15);
}

.skill-icon-excel {
  background: rgba(34, 197, 94, 0.13);
  color: #4ade80;
}

.skill-icon-git {
  background: rgba(249, 115, 22, 0.13);
  color: #fb923c;
}

/* ==========================================================
   SKILL LEVEL
========================================================== */

.skill-level {
  padding: 7px 11px;

  border: 1px solid rgba(96, 165, 250, 0.35);
  border-radius: 999px;

  background: rgba(59, 130, 246, 0.11);
  color: var(--primary-light);

  font-size: 9px;
  font-weight: 750;

  text-transform: uppercase;
  letter-spacing: 0.45px;

  box-shadow: 0 8px 18px rgba(59, 130, 246, 0.08);
}

/* ==========================================================
   SKILL CONTENT
========================================================== */

.skill-card h3 {
  position: relative;
  z-index: 2;

  margin-bottom: 14px;

  color: var(--text-primary);

  font-size: 21px;
  font-weight: 780;

  letter-spacing: -0.35px;

  transition:
    color 0.3s ease,
    transform 0.3s ease;
}

.skill-card:hover h3 {
  color: #ffffff;

  transform: translateX(2px);
}

.skill-card > p {
  position: relative;
  z-index: 2;

  margin-bottom: 25px;

  color: var(--text-secondary);

  font-size: 13px;
  line-height: 1.75;
}

/* ==========================================================
   SKILL TAGS
========================================================== */

.skill-tags {
  position: relative;
  z-index: 2;

  display: flex;
  align-items: center;
  flex-wrap: wrap;

  gap: 8px;

  margin-top: auto;
}

.skill-tags span {
  padding: 6px 10px;

  border: 1px solid rgba(96, 165, 250, 0.2);
  border-radius: 999px;

  background: rgba(59, 130, 246, 0.07);
  color: var(--text-secondary);

  font-size: 9px;
  font-weight: 650;

  transition:
    color 0.25s ease,
    border-color 0.25s ease,
    background 0.25s ease,
    transform 0.25s ease;
}

.skill-tags span:hover {
  border-color: rgba(96, 165, 250, 0.52);

  background: rgba(59, 130, 246, 0.15);
  color: #ffffff;

  transform: translateY(-2px);
}

/* ==========================================================
   ABOUT AND SKILLS RESPONSIVE — TABLETS
========================================================== */

@media (max-width: 1000px) {
  .about-grid {
    grid-template-columns: 1fr;

    gap: 65px;
  }

  .about-image-card {
    width: 370px;
  }

  .about-content {
    max-width: 760px;

    margin-inline: auto;
  }

  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ==========================================================
   ABOUT AND SKILLS RESPONSIVE — MOBILE
========================================================== */

@media (max-width: 650px) {
  .section {
    padding: 85px 0;
  }

  .section-heading {
    margin-bottom: 42px;
  }

  .section-title {
    font-size: 32px;
  }

  .section-title span {
    display: inline;
  }

  .about-grid {
    gap: 50px;
  }

  .about-image-card {
    width: min(100%, 320px);
    height: 370px;
  }

  .about-experience-card {
    right: -5px;
    bottom: 18px;

    width: 145px;

    padding: 14px;
  }

  .about-experience-card strong {
    font-size: 23px;
  }

  .about-highlights {
    grid-template-columns: 1fr;
  }

  .about-highlight-card {
    min-height: auto;
  }

  .about-button {
    width: 100%;
  }

  .skills-grid {
    grid-template-columns: 1fr;
  }

  .skill-card {
    min-height: 280px;
  }
}
/* ==========================================================
   PROJECTS
========================================================== */

.projects {
  background: linear-gradient(
    180deg,
    var(--background-secondary) 0%,
    var(--background-primary) 100%
  );

  border-top: 1px solid rgba(148, 163, 184, 0.08);
}

/* ==========================================================
   PROJECTS GRID
========================================================== */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));

  gap: 22px;
}

/* ==========================================================
   PROJECT CARD
========================================================== */

.project-card {
  position: relative;
  min-width: 0;

  display: flex;
  flex-direction: column;

  border: 1px solid var(--border-color);
  border-radius: 18px;

  background: linear-gradient(
    145deg,
    rgba(17, 29, 49, 0.95),
    rgba(10, 19, 34, 0.98)
  );

  overflow: hidden;

  transition:
    border-color var(--transition),
    transform var(--transition),
    box-shadow var(--transition);
}

.project-card:hover {
  border-color: var(--border-highlight);

  transform: translateY(-8px);

  box-shadow: 0 28px 60px rgba(0, 0, 0, 0.3);
}

/* ==========================================================
   PROJECT IMAGE
========================================================== */

.project-image-link {
  display: block;
}

.project-image-wrapper {
  position: relative;

  width: 100%;
  aspect-ratio: 16 / 9;

  background: #0a1220;

  overflow: hidden;
}

.project-image {
  width: 100%;
  height: 100%;

  object-fit: cover;
  object-position: center;

  transition:
    transform 0.55s ease,
    filter 0.55s ease;
}

.project-card:hover .project-image {
  transform: scale(1.055);

  filter: brightness(0.68);
}

.project-image-overlay {
  position: absolute;

  inset: 0;

  display: flex;
  align-items: center;
  justify-content: center;

  gap: 10px;

  background: linear-gradient(
    180deg,
    rgba(7, 13, 25, 0.08),
    rgba(7, 13, 25, 0.82)
  );

  color: #ffffff;

  font-size: 13px;
  font-weight: 700;

  opacity: 0;

  transition: opacity var(--transition);
}

.project-card:hover .project-image-overlay {
  opacity: 1;
}

.project-overlay-icon {
  width: 30px;
  height: 30px;

  display: inline-flex;
  align-items: center;
  justify-content: center;

  border-radius: 50%;

  background: var(--primary-color);
}

/* ==========================================================
   PROJECT CONTENT
========================================================== */

.project-content {
  flex: 1;

  display: flex;
  flex-direction: column;

  padding: 24px;
}

.project-meta {
  display: flex;
  align-items: center;

  gap: 11px;

  margin-bottom: 17px;
}

.project-category {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  padding: 6px 10px;

  border: 1px solid rgba(59, 130, 246, 0.38);
  border-radius: 999px;

  background: rgba(59, 130, 246, 0.11);
  color: var(--primary-light);

  font-size: 9px;
  font-weight: 800;

  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.project-year {
  position: relative;

  padding-left: 12px;

  color: var(--text-muted);

  font-size: 10px;
  font-weight: 600;
}

.project-year::before {
  content: "";

  position: absolute;

  top: 50%;
  left: 0;

  width: 4px;
  height: 4px;

  border-radius: 50%;

  background: var(--text-muted);

  transform: translateY(-50%);
}

.project-title {
  margin-bottom: 13px;

  color: var(--text-primary);

  font-size: 19px;
  font-weight: 750;

  line-height: 1.35;
  letter-spacing: -0.5px;
}

.project-description {
  margin-bottom: 20px;

  color: var(--text-muted);

  font-size: 12px;
  line-height: 1.75;
}

.project-tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;

  gap: 7px;

  margin-top: auto;
  margin-bottom: 21px;
}

.project-tags span {
  padding: 5px 8px;

  border: 1px solid var(--border-color);
  border-radius: 999px;

  background: rgba(148, 163, 184, 0.06);
  color: var(--text-secondary);

  font-size: 8px;
  font-weight: 650;
}

/* ==========================================================
   PROJECT LINKS
========================================================== */

.project-links {
  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 15px;

  padding-top: 17px;

  border-top: 1px solid var(--border-color);
}

.project-main-link,
.project-github-link {
  display: inline-flex;
  align-items: center;

  gap: 6px;

  font-size: 11px;
  font-weight: 700;

  transition:
    color var(--transition),
    transform var(--transition);
}

.project-main-link {
  color: var(--primary-light);
}

.project-github-link {
  color: var(--text-secondary);
}

.project-main-link:hover,
.project-github-link:hover {
  color: #ffffff;

  transform: translateX(3px);
}

/* ==========================================================
   PROJECTS CTA
========================================================== */

.projects-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 35px;

  margin-top: 45px;

  padding: 27px 30px;

  border: 1px solid var(--border-color);
  border-radius: 18px;

  background: linear-gradient(
    135deg,
    rgba(17, 29, 49, 0.9),
    rgba(12, 22, 39, 0.95)
  );
}

.projects-cta-content {
  display: flex;
  align-items: center;

  gap: 18px;
}

.projects-cta-icon {
  flex-shrink: 0;

  width: 50px;
  height: 50px;

  display: flex;
  align-items: center;
  justify-content: center;

  border: 1px solid rgba(59, 130, 246, 0.28);
  border-radius: 14px;

  background: rgba(59, 130, 246, 0.1);
  color: var(--primary-light);

  font-size: 21px;
}

.projects-cta h3 {
  margin-bottom: 5px;

  color: var(--text-primary);

  font-size: 17px;
  font-weight: 750;
}

.projects-cta p {
  max-width: 620px;

  color: var(--text-muted);

  font-size: 12px;
  line-height: 1.65;
}

.projects-button {
  display: flex;

  justify-content: center;

  align-items: center;

  margin-top: 60px;
}

.projects-button .button {
  min-width: 300px;

  min-height: 62px;

  justify-content: center;

  gap: 10px;

  font-size: 16px;

  font-weight: 700;

  border-radius: 999px;

  transition:
    transform 0.35s ease,
    box-shadow 0.35s ease;
}

.projects-button .button:hover {
  transform: translateY(-4px) scale(1.03);

  box-shadow: 0 18px 40px rgba(59, 130, 246, 0.35);
}
/* ==========================================================
   PROJECTS RESPONSIVE — NOTEBOOKS
========================================================== */

@media (max-width: 1050px) {
  .projects-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ==========================================================
   PROJECTS RESPONSIVE — TABLETS
========================================================== */

@media (max-width: 780px) {
  .projects-cta {
    align-items: flex-start;
    flex-direction: column;
  }

  .projects-cta .button {
    width: 100%;
  }
}

/* ==========================================================
   PROJECTS RESPONSIVE — MOBILE
========================================================== */

@media (max-width: 620px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .project-content {
    padding: 21px;
  }

  .project-title {
    font-size: 18px;
  }

  .projects-cta {
    padding: 22px;
  }

  .projects-cta-content {
    align-items: flex-start;
  }

  .projects-cta-icon {
    width: 42px;
    height: 42px;
  }
}
/* ==========================================================
   CERTIFICATIONS
========================================================== */

.certifications {
  position: relative;

  padding: 110px 0;

  border-top: 1px solid rgba(148, 163, 184, 0.08);

  background: linear-gradient(
    180deg,
    var(--background-primary) 0%,
    var(--background-secondary) 100%
  );

  overflow: hidden;
}

/* ==========================================================
   CERTIFICATIONS GRID
========================================================== */

.certifications-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));

  gap: 24px;

  margin-top: 55px;
}

/* ==========================================================
   CERTIFICATION CARD
========================================================== */

.certification-card {
  position: relative;

  min-width: 0;

  display: flex;
  flex-direction: column;

  border: 1px solid var(--border-color);
  border-top: 2px solid var(--primary-color);
  border-radius: 20px;

  background: linear-gradient(
    145deg,
    rgba(24, 39, 63, 0.96),
    rgba(13, 24, 42, 0.98)
  );

  overflow: hidden;

  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.18);

  transition:
    border-color var(--transition),
    transform var(--transition),
    box-shadow var(--transition);
}

.certification-card:hover {
  border-color: rgba(96, 165, 250, 0.6);

  transform: translateY(-8px);

  box-shadow:
    0 28px 65px rgba(0, 0, 0, 0.3),
    0 0 30px rgba(59, 130, 246, 0.1);
}

/* ==========================================================
   CERTIFICATION IMAGE
========================================================== */

.certification-image-button {
  width: 100%;

  display: block;

  padding: 0;

  border: 0;

  background: transparent;

  color: inherit;

  cursor: pointer;
}

.certification-image-wrapper {
  position: relative;

  width: 100%;
  height: 285px;

  display: flex;
  align-items: center;
  justify-content: center;

  padding: 18px;

  background: #ffffff;

  overflow: hidden;
}

.certification-image {
  width: 100%;
  height: 100%;

  display: block;

  object-fit: contain;

  transition:
    transform 0.5s ease,
    filter 0.5s ease;
}

.certification-card:hover .certification-image {
  transform: scale(1.025);

  filter: brightness(0.72);
}

.certification-image-overlay {
  position: absolute;

  inset: 0;

  display: flex;
  align-items: center;
  justify-content: center;

  gap: 10px;

  background: rgba(7, 13, 25, 0.72);
  color: #ffffff;

  font-size: 13px;
  font-weight: 700;

  opacity: 0;

  transition: opacity 0.35s ease;
}

.certification-image-button:hover .certification-image-overlay,
.certification-image-button:focus-visible .certification-image-overlay {
  opacity: 1;
}

.certification-view-icon {
  width: 34px;
  height: 34px;

  display: inline-flex;
  align-items: center;
  justify-content: center;

  border-radius: 50%;

  background: var(--primary-color);

  font-size: 17px;
}

/* ==========================================================
   CERTIFICATION CONTENT
========================================================== */

.certification-content {
  flex: 1;

  display: flex;
  flex-direction: column;

  padding: 24px;
}

.certification-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 15px;

  margin-bottom: 13px;
}

.certification-provider {
  color: var(--primary-light);

  font-size: 9px;
  font-weight: 800;

  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.certification-year {
  flex-shrink: 0;

  color: var(--text-muted);

  font-size: 10px;
  font-weight: 650;
}

.certification-title {
  margin-bottom: 12px;

  color: var(--text-primary);

  font-size: 19px;
  font-weight: 750;

  line-height: 1.35;
  letter-spacing: -0.4px;
}

.certification-description {
  margin-bottom: 20px;

  color: var(--text-muted);

  font-size: 12px;
  line-height: 1.7;
}

.certification-status {
  width: fit-content;

  display: inline-flex;
  align-items: center;

  gap: 8px;

  margin-top: auto;

  padding: 7px 12px;

  border: 1px solid rgba(34, 197, 94, 0.35);
  border-radius: 999px;

  background: rgba(34, 197, 94, 0.1);
  color: #4ade80;

  font-size: 9px;
  font-weight: 800;

  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.certification-status-dot {
  width: 7px;
  height: 7px;

  border-radius: 50%;

  background: #34d399;

  box-shadow: 0 0 10px rgba(52, 211, 153, 0.65);
}

/* ==========================================================
   CENTER THIRD CERTIFICATE
========================================================== */

.certification-card:last-child:nth-child(odd) {
  grid-column: 1 / -1;

  width: calc(50% - 12px);

  justify-self: center;
}

/* ==========================================================
   BADGES SECTION
========================================================== */

.badges-section {
  margin-top: 90px;
}

.badges-heading {
  max-width: 680px;

  margin-inline: auto;

  text-align: center;
}

.badges-title {
  margin-bottom: 12px;

  color: var(--text-primary);

  font-size: clamp(28px, 4vw, 38px);
  font-weight: 800;

  letter-spacing: -1px;
}

.badges-description {
  color: var(--text-muted);

  font-size: 13px;
  line-height: 1.7;
}

/* ==========================================================
   BADGES GRID
========================================================== */

.badges-grid {
  max-width: 650px;

  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));

  gap: 24px;

  margin: 42px auto 0;
}

.badge-card {
  position: relative;

  min-width: 0;

  display: flex;
  align-items: center;
  flex-direction: column;

  padding: 28px 22px;

  border: 1px solid var(--border-color);
  border-radius: 18px;

  background: linear-gradient(
    145deg,
    rgba(24, 39, 63, 0.92),
    rgba(13, 24, 42, 0.96)
  );

  text-align: center;

  transition:
    border-color var(--transition),
    transform var(--transition),
    box-shadow var(--transition);
}

.badge-card:hover {
  border-color: var(--border-highlight);

  transform: translateY(-7px);

  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.25);
}

.badge-image-wrapper {
  min-height: 125px;

  display: flex;
  align-items: center;
  justify-content: center;
}

.badge-image {
  width: 105px;
  height: 105px;

  display: block;

  object-fit: contain;

  transition:
    transform 0.35s ease,
    filter 0.35s ease;
}

.badge-card:hover .badge-image {
  transform: translateY(-4px) scale(1.07);

  filter: drop-shadow(0 13px 18px rgba(59, 130, 246, 0.25));
}

.badge-content h4 {
  margin-top: 18px;

  color: var(--text-primary);

  font-size: 14px;
  line-height: 1.4;
}

.badge-content p {
  margin-top: 7px;

  color: var(--text-muted);

  font-size: 10px;
  line-height: 1.5;
}

/* ==========================================================
   IMAGE FALLBACK
========================================================== */

.image-not-found {
  min-height: 180px;
}

.image-not-found::before {
  content: "Image not found";

  color: var(--text-muted);

  font-size: 12px;
  font-weight: 650;
}

/* ==========================================================
   CERTIFICATE MODAL
========================================================== */

body.certificate-modal-open {
  overflow: hidden;
}

.certificate-modal {
  position: fixed;

  inset: 0;

  z-index: 5000;

  display: flex;
  align-items: center;
  justify-content: center;

  padding: 30px;

  opacity: 0;
  visibility: hidden;

  transition:
    opacity 0.25s ease,
    visibility 0.25s ease;
}

.certificate-modal[hidden] {
  display: none;
}

.certificate-modal.visible {
  opacity: 1;
  visibility: visible;
}

.certificate-modal-backdrop {
  position: absolute;

  inset: 0;

  background: rgba(2, 6, 15, 0.9);

  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.certificate-modal-dialog {
  position: relative;
  z-index: 2;

  width: min(1100px, 100%);
  max-height: calc(100vh - 60px);

  display: flex;
  flex-direction: column;

  border: 1px solid var(--border-color);
  border-radius: 20px;

  background: var(--background-secondary);

  box-shadow: 0 35px 90px rgba(0, 0, 0, 0.55);

  overflow: hidden;

  transform: translateY(25px) scale(0.97);

  transition: transform 0.25s ease;
}

.certificate-modal.visible .certificate-modal-dialog {
  transform: translateY(0) scale(1);
}

.certificate-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 20px;

  padding: 18px 22px;

  border-bottom: 1px solid var(--border-color);
}

.certificate-modal-header h3 {
  color: var(--text-primary);

  font-size: 16px;
  font-weight: 700;
}

.certificate-modal-close {
  width: 40px;
  height: 40px;

  display: flex;
  align-items: center;
  justify-content: center;

  border: 1px solid var(--border-color);
  border-radius: 50%;

  background: rgba(148, 163, 184, 0.07);
  color: var(--text-primary);

  font-size: 25px;

  cursor: pointer;

  transition:
    background var(--transition),
    border-color var(--transition),
    transform var(--transition);
}

.certificate-modal-close:hover {
  border-color: var(--primary-color);

  background: rgba(59, 130, 246, 0.12);

  transform: rotate(5deg);
}

.certificate-modal-content {
  min-height: 0;

  padding: 22px;

  background: #ffffff;

  overflow: auto;
}

.certificate-modal-image {
  width: 100%;
  height: auto;

  display: block;

  margin-inline: auto;

  object-fit: contain;
}

/* ==========================================================
   CERTIFICATIONS RESPONSIVE
========================================================== */

@media (max-width: 800px) {
  .certifications-grid {
    grid-template-columns: 1fr;
  }

  .certification-card:last-child:nth-child(odd) {
    grid-column: auto;

    width: 100%;
  }

  .badges-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .certifications {
    padding: 85px 0;
  }

  .certification-image-wrapper {
    height: 210px;
  }

  .certification-content {
    padding: 20px;
  }

  .certification-card-meta {
    align-items: flex-start;
    flex-direction: column;

    gap: 6px;
  }

  .badges-grid {
    grid-template-columns: 1fr;
  }

  .certificate-modal {
    padding: 12px;
  }

  .certificate-modal-dialog {
    max-height: calc(100vh - 24px);
  }

  .certificate-modal-header {
    padding: 14px 16px;
  }

  .certificate-modal-content {
    padding: 10px;
  }
}
/* ==========================================================
   CONTACT
========================================================== */

.contact {
  background: linear-gradient(
    180deg,
    var(--background-secondary) 0%,
    var(--background-primary) 100%
  );

  border-top: 1px solid rgba(148, 163, 184, 0.08);
}

.contact-grid {
  display: grid;
  grid-template-columns:
    minmax(0, 1.05fr)
    minmax(370px, 0.95fr);

  align-items: center;

  gap: 80px;
}

/* ==========================================================
   CONTACT CONTENT
========================================================== */

.contact-content .section-label {
  margin-bottom: 20px;
}

.contact-title {
  max-width: 630px;

  margin-bottom: 20px;

  color: var(--text-primary);

  font-size: clamp(36px, 4.5vw, 56px);
  font-weight: 800;

  line-height: 1.12;
  letter-spacing: -2px;
}

.contact-title span {
  display: block;

  color: var(--primary-light);
}

.contact-description {
  max-width: 650px;

  margin-bottom: 26px;

  color: var(--text-secondary);

  font-size: 14px;
  line-height: 1.8;
}

/* ==========================================================
   CONTACT INTERESTS
========================================================== */

.contact-interests {
  display: flex;
  align-items: center;
  flex-wrap: wrap;

  gap: 9px;

  margin-bottom: 30px;
}

.contact-interests span {
  padding: 7px 11px;

  border: 1px solid rgba(59, 130, 246, 0.28);
  border-radius: 999px;

  background: rgba(59, 130, 246, 0.08);
  color: var(--primary-light);

  font-size: 10px;
  font-weight: 700;
}

/* ==========================================================
   CONTACT INFORMATION
========================================================== */

.contact-information {
  display: flex;
  flex-direction: column;

  gap: 12px;
}

.contact-information-card {
  display: flex;
  align-items: center;

  gap: 15px;

  padding: 16px 18px;

  border: 1px solid var(--border-color);
  border-radius: 14px;

  background: rgba(17, 29, 49, 0.62);

  transition:
    border-color var(--transition),
    background var(--transition),
    transform var(--transition);
}

.contact-information-card:hover {
  border-color: var(--border-highlight);

  background: var(--background-card-hover);

  transform: translateX(5px);
}

.contact-information-icon {
  flex-shrink: 0;

  width: 38px;
  height: 38px;

  display: flex;
  align-items: center;
  justify-content: center;

  border-radius: 11px;

  background: rgba(59, 130, 246, 0.12);
  color: var(--primary-light);

  font-size: 16px;
}

.contact-information-label {
  display: block;

  margin-bottom: 3px;

  color: var(--text-muted);

  font-size: 9px;
  font-weight: 750;

  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.contact-information-card strong {
  color: var(--text-primary);

  font-size: 12px;
  font-weight: 650;
}

/* ==========================================================
   CONTACT CARD
========================================================== */

.contact-card {
  position: relative;

  padding: 27px;

  border: 1px solid var(--border-color);
  border-top: 2px solid var(--primary-color);
  border-radius: 20px;

  background: linear-gradient(
    145deg,
    rgba(24, 39, 63, 0.96),
    rgba(13, 24, 42, 0.98)
  );

  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.26);

  overflow: hidden;
}

.contact-card::before {
  content: "";

  position: absolute;

  top: -100px;
  right: -100px;

  width: 240px;
  height: 240px;

  border-radius: 50%;

  background: rgba(59, 130, 246, 0.1);

  filter: blur(55px);

  pointer-events: none;
}

.contact-card-status {
  position: relative;
  z-index: 2;

  display: flex;
  align-items: center;

  gap: 9px;

  color: var(--text-secondary);

  font-size: 10px;
  font-weight: 650;
}

.contact-status-dot {
  width: 8px;
  height: 8px;

  border-radius: 50%;

  background: #22c55e;

  box-shadow: 0 0 12px rgba(34, 197, 94, 0.75);

  animation: statusPulse 2s infinite;
}

.contact-card-divider {
  position: relative;
  z-index: 2;

  height: 1px;

  margin: 18px 0;

  background: var(--border-color);
}

/* ==========================================================
   CONTACT LINKS
========================================================== */

.contact-links {
  position: relative;
  z-index: 2;

  display: flex;
  flex-direction: column;

  gap: 10px;
}

.contact-link {
  display: flex;
  align-items: center;

  gap: 13px;

  padding: 13px;

  border: 1px solid var(--border-color);
  border-radius: 13px;

  background: rgba(7, 13, 25, 0.32);

  transition:
    border-color var(--transition),
    background var(--transition),
    transform var(--transition);
}

.contact-link:hover {
  border-color: var(--border-highlight);

  background: rgba(59, 130, 246, 0.08);

  transform: translateX(4px);
}

.contact-link-icon {
  flex-shrink: 0;

  width: 37px;
  height: 37px;

  display: flex;
  align-items: center;
  justify-content: center;

  border-radius: 10px;

  background: rgba(59, 130, 246, 0.12);
  color: var(--primary-light);

  font-size: 11px;
  font-weight: 800;
}

.contact-link-content {
  min-width: 0;

  display: flex;
  flex-direction: column;

  gap: 2px;
}

.contact-link-content small {
  color: var(--text-muted);

  font-size: 8px;
  font-weight: 750;

  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.contact-link-content strong {
  color: var(--text-primary);

  font-size: 11px;
  font-weight: 650;
}

.contact-link-arrow {
  margin-left: auto;

  color: var(--primary-light);

  font-size: 14px;

  transition: transform var(--transition);
}

.contact-link:hover .contact-link-arrow {
  transform: translateX(3px);
}

/* ==========================================================
   RESUME BUTTON
========================================================== */

.contact-resume-button {
  position: relative;
  z-index: 2;

  width: 100%;
  min-height: 47px;

  display: flex;
  align-items: center;
  justify-content: center;

  gap: 9px;

  margin-top: 15px;

  border-radius: 999px;

  background: var(--primary-color);
  color: #ffffff;

  font-size: 11px;
  font-weight: 750;

  box-shadow: 0 12px 30px rgba(59, 130, 246, 0.25);

  transition:
    background var(--transition),
    transform var(--transition),
    box-shadow var(--transition);
}

.contact-resume-button:hover {
  background: var(--primary-dark);

  transform: translateY(-3px);

  box-shadow: 0 16px 35px rgba(59, 130, 246, 0.35);
}

/* ==========================================================
   FOOTER
========================================================== */

.footer {
  padding: 70px 0 25px;

  border-top: 1px solid var(--border-color);

  background: #060b15;
}

.footer-grid {
  display: grid;
  grid-template-columns:
    minmax(260px, 1.35fr)
    repeat(3, minmax(130px, 0.55fr));

  gap: 55px;

  padding-bottom: 55px;
}

/* ==========================================================
   FOOTER BRAND
========================================================== */

.footer-logo {
  display: inline-block;

  margin-bottom: 17px;

  color: var(--text-primary);

  font-size: 21px;
  font-weight: 800;

  letter-spacing: -0.7px;
}

.footer-logo span {
  color: var(--primary-color);
}

.footer-brand p {
  max-width: 350px;

  margin-bottom: 20px;

  color: var(--text-muted);

  font-size: 11px;
  line-height: 1.75;
}

.footer-technologies {
  display: flex;
  align-items: center;
  flex-wrap: wrap;

  gap: 7px;
}

.footer-technologies span {
  padding: 6px 9px;

  border: 1px solid var(--border-color);
  border-radius: 999px;

  background: rgba(59, 130, 246, 0.06);
  color: var(--text-secondary);

  font-size: 8px;
  font-weight: 650;
}

/* ==========================================================
   FOOTER COLUMNS
========================================================== */

.footer-column h3 {
  margin-bottom: 18px;

  color: var(--text-primary);

  font-size: 11px;
  font-weight: 800;

  text-transform: uppercase;
  letter-spacing: 0.6px;
}

.footer-navigation {
  display: flex;
  flex-direction: column;

  gap: 12px;
}

.footer-navigation a {
  width: fit-content;

  color: var(--text-muted);

  font-size: 10px;
  font-weight: 600;

  transition:
    color var(--transition),
    transform var(--transition);
}

.footer-navigation a:hover {
  color: var(--primary-light);

  transform: translateX(3px);
}

/* ==========================================================
   FOOTER BOTTOM
========================================================== */

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 30px;

  padding-top: 23px;

  border-top: 1px solid var(--border-color);
}

.footer-bottom p {
  color: var(--text-muted);

  font-size: 9px;
  line-height: 1.6;
}

/* ==========================================================
   STATUS ANIMATION
========================================================== */

@keyframes statusPulse {
  0%,
  100% {
    opacity: 1;

    transform: scale(1);
  }

  50% {
    opacity: 0.55;

    transform: scale(0.78);
  }
}

/* ==========================================================
   SCROLL REVEAL ANIMATIONS
========================================================== */

.reveal {
  opacity: 0;

  transform: translateY(35px);

  transition:
    opacity 0.75s ease,
    transform 0.75s ease;
}

.reveal.reveal-left {
  transform: translateX(-45px);
}

.reveal.reveal-right {
  transform: translateX(45px);
}

.reveal.reveal-scale {
  transform: scale(0.94);
}

.reveal.visible {
  opacity: 1;

  transform: translate(0) scale(1);
}

/* ==========================================================
   PREMIUM CARD GLOW
========================================================== */

.skill-card,
.project-card,
.certification-card,
.contact-card {
  isolation: isolate;
}

.skill-card::after,
.project-card::after,
.certification-card::after,
.contact-card::after {
  content: "";

  position: absolute;
  z-index: -1;

  inset: -1px;

  border-radius: inherit;

  background: radial-gradient(
    circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(96, 165, 250, 0.16),
    transparent 38%
  );

  opacity: 0;

  pointer-events: none;

  transition: opacity var(--transition);
}

.skill-card:hover::after,
.project-card:hover::after,
.certification-card:hover::after,
.contact-card:hover::after {
  opacity: 1;
}

/* ==========================================================
   CONTACT AND FOOTER RESPONSIVE — TABLETS
========================================================== */

@media (max-width: 950px) {
  .contact-grid {
    grid-template-columns: 1fr;

    gap: 55px;
  }

  .contact-card {
    max-width: 650px;

    width: 100%;

    margin-inline: auto;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ==========================================================
   CONTACT AND FOOTER RESPONSIVE — MOBILE
========================================================== */

@media (max-width: 620px) {
  .contact-title {
    font-size: 35px;

    letter-spacing: -1.4px;
  }

  .contact-title span {
    display: inline;
  }

  .contact-card {
    padding: 21px;
  }

  .footer {
    padding-top: 55px;
  }

  .footer-grid {
    grid-template-columns: 1fr;

    gap: 38px;

    padding-bottom: 40px;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;

    gap: 9px;
  }
}
/* ==========================================================
   PROJECTS PAGE
========================================================== */

.projects-page {
  background: var(--background-primary);
}

/* ==========================================================
   PROJECTS PAGE HERO
========================================================== */

.projects-page-hero {
  position: relative;

  padding: calc(var(--header-height) + 95px) 0 90px;

  border-bottom: 1px solid rgba(148, 163, 184, 0.1);

  background:
    radial-gradient(
      circle at 80% 25%,
      rgba(59, 130, 246, 0.13),
      transparent 30%
    ),
    linear-gradient(
      180deg,
      var(--background-primary),
      var(--background-secondary)
    );

  overflow: hidden;
}

.projects-page-hero-container {
  display: grid;

  grid-template-columns:
    minmax(0, 1.25fr)
    minmax(280px, 0.55fr);

  align-items: center;

  gap: 80px;
}

.projects-page-introduction {
  max-width: 800px;
}

.projects-page-back-link {
  width: fit-content;

  display: flex;
  align-items: center;

  gap: 8px;

  margin-bottom: 30px;

  color: var(--text-muted);

  font-size: 12px;
  font-weight: 650;

  transition:
    color var(--transition),
    transform var(--transition);
}

.projects-page-back-link:hover {
  color: var(--primary-light);

  transform: translateX(-4px);
}

.projects-page-title {
  margin: 20px 0;

  color: var(--text-primary);

  font-size: clamp(43px, 6vw, 72px);
  font-weight: 800;

  line-height: 1.05;
  letter-spacing: -3px;
}

.projects-page-title span {
  display: block;

  color: var(--primary-color);
}

.projects-page-description {
  max-width: 720px;

  color: var(--text-secondary);

  font-size: 15px;
  line-height: 1.8;
}

/* ==========================================================
   PROJECTS SUMMARY
========================================================== */

.projects-page-summary {
  min-height: 270px;

  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;

  padding: 35px;

  border: 1px solid var(--border-color);
  border-top: 2px solid var(--primary-color);
  border-radius: 24px;

  background: linear-gradient(
    145deg,
    rgba(24, 39, 63, 0.95),
    rgba(13, 24, 42, 0.98)
  );

  text-align: center;

  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.25);
}

.projects-summary-icon {
  width: 55px;
  height: 55px;

  display: flex;
  align-items: center;
  justify-content: center;

  margin-bottom: 18px;

  border-radius: 15px;

  background: rgba(59, 130, 246, 0.13);

  color: var(--primary-light);

  font-size: 25px;
}

.projects-page-summary strong {
  color: var(--primary-color);

  font-size: 48px;
  font-weight: 800;

  line-height: 1;
}

.projects-page-summary > span {
  margin-top: 9px;

  color: var(--text-primary);

  font-size: 14px;
  font-weight: 700;
}

.projects-page-summary p {
  max-width: 220px;

  margin-top: 13px;

  color: var(--text-muted);

  font-size: 11px;
  line-height: 1.65;
}

/* ==========================================================
   ALL PROJECTS SECTION
========================================================== */

.all-projects-section {
  min-height: 700px;

  padding: 90px 0 110px;

  background: var(--background-primary);
}

/* ==========================================================
   PROJECT FILTER AREA
========================================================== */

.projects-filter-area {
  margin-bottom: 44px;

  padding: 25px;

  border: 1px solid var(--border-color);
  border-radius: 18px;

  background: rgba(17, 29, 49, 0.65);
}

.projects-filter-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;

  gap: 25px;

  margin-bottom: 22px;
}

.projects-filter-label {
  display: block;

  margin-bottom: 6px;

  color: var(--primary-light);

  font-size: 9px;
  font-weight: 800;

  text-transform: uppercase;
  letter-spacing: 0.55px;
}

.projects-filter-heading h2 {
  color: var(--text-primary);

  font-size: 21px;
  font-weight: 750;

  letter-spacing: -0.5px;
}

.projects-filter-heading > p {
  color: var(--text-muted);

  font-size: 10px;
  font-weight: 650;
}

/* ==========================================================
   PROJECT FILTER BUTTONS
========================================================== */

.projects-filters {
  display: flex;
  align-items: center;
  flex-wrap: wrap;

  gap: 10px;
}

.project-filter-button {
  min-height: 39px;

  padding: 0 15px;

  border: 1px solid var(--border-color);
  border-radius: 999px;

  background: rgba(7, 13, 25, 0.38);

  color: var(--text-secondary);

  font-size: 10px;
  font-weight: 700;

  cursor: pointer;

  transition:
    color var(--transition),
    background var(--transition),
    border-color var(--transition),
    transform var(--transition);
}

.project-filter-button:hover {
  border-color: rgba(96, 165, 250, 0.45);

  color: #ffffff;

  transform: translateY(-2px);
}

.project-filter-button.active {
  border-color: var(--primary-color);

  background: var(--primary-color);
  color: #ffffff;

  box-shadow: 0 10px 25px rgba(59, 130, 246, 0.24);
}

/* ==========================================================
   ALL PROJECTS GRID
========================================================== */

.all-projects-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));

  gap: 22px;
}

/* ==========================================================
   ALL PROJECT CARD
========================================================== */

.all-project-card {
  position: relative;

  min-width: 0;

  display: flex;
  flex-direction: column;

  border: 1px solid var(--border-color);
  border-radius: 18px;

  background: linear-gradient(
    145deg,
    rgba(17, 29, 49, 0.96),
    rgba(10, 19, 34, 0.98)
  );

  overflow: hidden;

  opacity: 0;

  transform: translateY(30px);

  transition:
    opacity 0.65s ease,
    transform 0.65s ease,
    border-color var(--transition),
    box-shadow var(--transition);
}

.all-project-card.visible {
  opacity: 1;

  transform: translateY(0);
}

.all-project-card:hover {
  border-color: var(--border-highlight);

  transform: translateY(-7px);

  box-shadow: 0 28px 60px rgba(0, 0, 0, 0.3);
}

/* ==========================================================
   ALL PROJECT IMAGE
========================================================== */

.all-project-image-link {
  display: block;
}

.all-project-image-wrapper {
  position: relative;

  width: 100%;

  aspect-ratio: 16 / 9;

  background: #0a1220;

  overflow: hidden;
}

.all-project-image {
  width: 100%;
  height: 100%;

  object-fit: cover;
  object-position: center;

  transition:
    transform 0.55s ease,
    filter 0.55s ease;
}

.all-project-card:hover .all-project-image {
  transform: scale(1.055);

  filter: brightness(0.65);
}

.all-project-image-overlay {
  position: absolute;

  inset: 0;

  display: flex;
  align-items: center;
  justify-content: center;

  gap: 10px;

  background: linear-gradient(
    180deg,
    rgba(7, 13, 25, 0.05),
    rgba(7, 13, 25, 0.86)
  );

  color: #ffffff;

  font-size: 12px;
  font-weight: 750;

  opacity: 0;

  transition: opacity var(--transition);
}

.all-project-card:hover .all-project-image-overlay {
  opacity: 1;
}

.all-project-overlay-icon {
  width: 30px;
  height: 30px;

  display: inline-flex;
  align-items: center;
  justify-content: center;

  border-radius: 50%;

  background: var(--primary-color);
}

/* ==========================================================
   ALL PROJECT CONTENT
========================================================== */

.all-project-content {
  flex: 1;

  display: flex;
  flex-direction: column;

  padding: 23px;
}

.all-project-meta {
  display: flex;
  align-items: center;

  gap: 11px;

  margin-bottom: 16px;
}

.all-project-category {
  padding: 6px 10px;

  border: 1px solid rgba(59, 130, 246, 0.38);
  border-radius: 999px;

  background: rgba(59, 130, 246, 0.1);

  color: var(--primary-light);

  font-size: 8px;
  font-weight: 800;

  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.all-project-year {
  color: var(--text-muted);

  font-size: 9px;
  font-weight: 650;
}

.all-project-title {
  margin-bottom: 12px;

  color: var(--text-primary);

  font-size: 18px;
  font-weight: 750;

  line-height: 1.35;
  letter-spacing: -0.4px;
}

.all-project-description {
  margin-bottom: 20px;

  color: var(--text-muted);

  font-size: 11px;
  line-height: 1.75;
}

.all-project-technologies {
  display: flex;
  align-items: center;
  flex-wrap: wrap;

  gap: 7px;

  margin-top: auto;
  margin-bottom: 20px;
}

.all-project-technologies span {
  padding: 5px 8px;

  border: 1px solid var(--border-color);
  border-radius: 999px;

  background: rgba(148, 163, 184, 0.05);

  color: var(--text-secondary);

  font-size: 8px;
  font-weight: 650;
}

/* ==========================================================
   ALL PROJECT LINKS
========================================================== */

.all-project-links {
  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 15px;

  padding-top: 17px;

  border-top: 1px solid var(--border-color);
}

.all-project-github-link,
.all-project-demo-link {
  display: inline-flex;
  align-items: center;

  gap: 6px;

  font-size: 10px;
  font-weight: 700;

  transition:
    color var(--transition),
    transform var(--transition);
}

.all-project-github-link {
  color: var(--primary-light);
}

.all-project-demo-link {
  color: var(--text-secondary);
}

.all-project-github-link:hover,
.all-project-demo-link:hover {
  color: #ffffff;

  transform: translateX(3px);
}

/* ==========================================================
   EMPTY STATE
========================================================== */

.projects-empty-state {
  max-width: 500px;

  margin: 60px auto 0;

  padding: 45px 30px;

  border: 1px solid var(--border-color);
  border-radius: 20px;

  background: rgba(17, 29, 49, 0.65);

  text-align: center;
}

.projects-empty-state[hidden] {
  display: none;
}

.projects-empty-icon {
  width: 55px;
  height: 55px;

  display: flex;
  align-items: center;
  justify-content: center;

  margin: 0 auto 18px;

  border-radius: 15px;

  background: rgba(59, 130, 246, 0.12);

  color: var(--primary-light);

  font-size: 24px;
}

.projects-empty-state h3 {
  margin-bottom: 8px;

  color: var(--text-primary);

  font-size: 20px;
}

.projects-empty-state p {
  margin-bottom: 22px;

  color: var(--text-muted);

  font-size: 12px;
}

/* ==========================================================
   PROJECTS PAGE FOOTER
========================================================== */

.projects-page-footer {
  padding-top: 25px;
}

/* ==========================================================
   PROJECTS PAGE RESPONSIVE
========================================================== */

@media (max-width: 1050px) {
  .projects-page-hero-container {
    gap: 45px;
  }

  .all-projects-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 800px) {
  .projects-page-hero-container {
    grid-template-columns: 1fr;
  }

  .projects-page-summary {
    max-width: 500px;
  }

  .projects-filter-heading {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 620px) {
  .projects-page-hero {
    padding-top: calc(var(--header-height) + 65px);

    padding-bottom: 65px;
  }

  .projects-page-title {
    font-size: 43px;

    letter-spacing: -2px;
  }

  .projects-page-description {
    font-size: 13px;
  }

  .all-projects-section {
    padding: 65px 0 85px;
  }

  .projects-filter-area {
    padding: 20px;
  }

  .projects-filters {
    align-items: stretch;
    flex-direction: column;
  }

  .project-filter-button {
    width: 100%;
  }

  .all-projects-grid {
    grid-template-columns: 1fr;
  }

  .all-project-content {
    padding: 21px;
  }
}

/* ==========================================================
   LANGUAGE DROPDOWN
========================================================== */

.language-dropdown {
  position: relative;
  flex-shrink: 0;
}

.language-dropdown-toggle {
  min-width: 86px;
  height: 42px;

  display: inline-flex;
  align-items: center;
  justify-content: center;

  gap: 8px;

  padding: 0 14px;

  color: #e5e7eb;
  background: rgba(15, 23, 42, 0.78);

  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 12px;

  font: inherit;
  font-size: 0.84rem;
  font-weight: 700;

  cursor: pointer;

  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);

  transition:
    color 0.25s ease,
    background 0.25s ease,
    border-color 0.25s ease,
    box-shadow 0.25s ease,
    transform 0.25s ease;
}

.language-dropdown-toggle:hover {
  color: #ffffff;

  background: rgba(37, 99, 235, 0.15);
  border-color: rgba(59, 130, 246, 0.55);

  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.16);

  transform: translateY(-1px);
}

.language-dropdown-toggle:focus-visible {
  outline: 2px solid #3b82f6;
  outline-offset: 3px;
}

.language-globe {
  font-size: 1rem;
  line-height: 1;
}

.language-arrow {
  font-size: 0.72rem;

  transition: transform 0.25s ease;
}

.language-dropdown.open .language-arrow {
  transform: rotate(180deg);
}

/* Dropdown menu */

.language-dropdown-menu {
  position: absolute;

  top: calc(100% + 10px);
  right: 0;

  z-index: 1200;

  width: 190px;

  padding: 8px;

  background: rgba(7, 13, 25, 0.97);

  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 14px;

  box-shadow:
    0 20px 50px rgba(0, 0, 0, 0.4),
    0 0 30px rgba(37, 99, 235, 0.08);

  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);

  opacity: 0;
  visibility: hidden;

  transform: translateY(-8px) scale(0.98);

  transform-origin: top right;

  pointer-events: none;

  transition:
    opacity 0.2s ease,
    visibility 0.2s ease,
    transform 0.2s ease;
}

.language-dropdown.open .language-dropdown-menu {
  opacity: 1;
  visibility: visible;

  transform: translateY(0) scale(1);

  pointer-events: auto;
}

/* Language options */

.language-option {
  width: 100%;

  display: flex;
  align-items: center;

  gap: 12px;

  padding: 11px 12px;

  color: #cbd5e1;
  background: transparent;

  border: 0;
  border-radius: 9px;

  font: inherit;
  font-size: 0.88rem;
  font-weight: 600;

  text-align: left;

  cursor: pointer;

  transition:
    color 0.2s ease,
    background 0.2s ease,
    transform 0.2s ease;
}

.language-option:hover {
  color: #ffffff;
  background: rgba(59, 130, 246, 0.13);

  transform: translateX(2px);
}

.language-option.active {
  color: #ffffff;
  background: rgba(59, 130, 246, 0.2);
}

.language-option:focus-visible {
  outline: 2px solid #3b82f6;
  outline-offset: -2px;
}

.language-code {
  min-width: 36px;

  color: #60a5fa;

  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

/* Responsive adjustment */

@media (max-width: 900px) {
  .language-dropdown {
    margin-left: auto;
  }

  .language-dropdown-toggle {
    min-width: 78px;
    height: 40px;

    padding: 0 11px;
  }

  .language-dropdown-menu {
    right: 0;
  }
}