/* ============================================================
   STYLES — nishanthkesavan.in
   ============================================================ */

@import url('design-tokens.css');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── Reset & Base ────────────────────────────────────────── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: var(--fw-regular);
  line-height: var(--lh-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  overflow-x: hidden;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

a:hover {
  color: var(--color-accent-hover);
}

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

ul, ol { list-style: none; }

/* ── Utility ─────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.container--narrow {
  max-width: var(--max-width-narrow);
}

.section {
  padding: var(--space-5xl) 0;
  position: relative;
}

.section--compact {
  padding: var(--space-3xl) 0;
}

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ── Fade-in animation ───────────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 100ms; }
.fade-in-delay-2 { transition-delay: 200ms; }
.fade-in-delay-3 { transition-delay: 300ms; }
.fade-in-delay-4 { transition-delay: 400ms; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: var(--z-nav);
  transition: background-color var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out),
              backdrop-filter var(--duration-normal) var(--ease-out);
}

.navbar.scrolled {
  background-color: rgba(6, 8, 13, 0.85);
  backdrop-filter: blur(var(--blur-glass));
  -webkit-backdrop-filter: blur(var(--blur-glass));
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.navbar__logo {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: var(--fw-bold);
  color: var(--color-text-primary);
  letter-spacing: var(--ls-tight);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.navbar__logo-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--gradient-accent);
  border-radius: 50%;
  flex-shrink: 0;
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.navbar__link {
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--color-text-secondary);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  transition: color var(--duration-fast) var(--ease-out);
  position: relative;
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-accent);
  border-radius: 1px;
  transition: width var(--duration-normal) var(--ease-out);
}

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

.navbar__link:hover::after,
.navbar__link.active::after {
  width: 100%;
}

/* Hamburger */
.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  z-index: var(--z-overlay);
}

.navbar__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: transform var(--duration-normal) var(--ease-out),
              opacity var(--duration-fast);
}

.navbar__hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.navbar__hamburger.open span:nth-child(2) {
  opacity: 0;
}

.navbar__hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu */
.navbar__mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(6, 8, 13, 0.97);
  backdrop-filter: blur(var(--blur-glass-heavy));
  z-index: var(--z-overlay);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xl);
}

.navbar__mobile-menu.open {
  display: flex;
}

.navbar__mobile-link {
  font-family: var(--font-heading);
  font-size: var(--fs-h2);
  font-weight: var(--fw-semibold);
  color: var(--color-text-secondary);
  transition: color var(--duration-fast) var(--ease-out);
}

.navbar__mobile-link:hover {
  color: var(--color-accent);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  z-index: -2;
}

.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-mesh);
  z-index: -1;
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: orbFloat 12s ease-in-out infinite alternate;
}

.hero__orb--1 {
  width: 400px;
  height: 400px;
  background: rgba(0, 212, 170, 0.12);
  top: 10%;
  left: -5%;
  animation-delay: 0s;
}

.hero__orb--2 {
  width: 350px;
  height: 350px;
  background: rgba(0, 144, 255, 0.1);
  bottom: 10%;
  right: -5%;
  animation-delay: -4s;
}

.hero__orb--3 {
  width: 250px;
  height: 250px;
  background: rgba(124, 92, 255, 0.08);
  top: 50%;
  left: 60%;
  animation-delay: -8s;
}

@keyframes orbFloat {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(30px, -30px) scale(1.1); }
}

.hero__content {
  text-align: center;
  max-width: 800px;
  padding: var(--space-xl);
}

.hero__greeting {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--color-accent);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}

.hero__greeting::before,
.hero__greeting::after {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--color-accent);
  opacity: 0.5;
}

.hero__avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto var(--space-xl);
  border: 3px solid transparent;
  background-origin: border-box;
  background-clip: padding-box, border-box;
  background-image: linear-gradient(var(--color-bg-primary), var(--color-bg-primary)),
                    var(--gradient-accent);
  box-shadow: var(--shadow-glow);
}

.hero__name {
  font-family: var(--font-heading);
  font-size: var(--fs-hero);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  margin-bottom: var(--space-lg);
}

.hero__tagline {
  font-size: var(--fs-body-lg);
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
}

.hero__cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 28px;
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide);
  border-radius: var(--border-radius-full);
  border: none;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
  text-decoration: none;
}

.btn--primary {
  background: var(--gradient-accent);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-glow);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0, 212, 170, 0.3);
  color: var(--color-text-inverse);
}

.btn--secondary {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn--secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
  color: var(--color-text-primary);
}

.btn--small {
  padding: 10px 20px;
  font-size: var(--fs-caption);
}

.btn svg, .btn img {
  width: 18px;
  height: 18px;
}

/* ============================================================
   PROJECT CARDS
   ============================================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-xl);
}

.project-card {
  position: relative;
  background: var(--color-bg-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out),
              border-color var(--duration-normal) var(--ease-out);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  border-color: rgba(0, 212, 170, 0.15);
}

.project-card__image-wrap {
  position: relative;
  padding-top: 56.25%;
  overflow: hidden;
  background: var(--color-bg-tertiary);
}

.project-card__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

.project-card:hover .project-card__image {
  transform: scale(1.05);
}

.project-card__badge {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  padding: 4px 12px;
  font-size: var(--fs-caption);
  font-weight: var(--fw-semibold);
  border-radius: var(--border-radius-full);
  backdrop-filter: blur(8px);
  z-index: var(--z-card);
}

.project-card__badge--live {
  background: rgba(0, 212, 170, 0.2);
  color: var(--color-accent);
  border: 1px solid rgba(0, 212, 170, 0.3);
}

.project-card__badge--published {
  background: rgba(0, 144, 255, 0.2);
  color: var(--color-accent-blue);
  border: 1px solid rgba(0, 144, 255, 0.3);
}

.project-card__body {
  padding: var(--space-xl);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-card__title {
  font-family: var(--font-heading);
  font-size: var(--fs-h3);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-sm);
}

.project-card__description {
  color: var(--color-text-secondary);
  font-size: var(--fs-small);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-lg);
  flex: 1;
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.tag {
  display: inline-block;
  padding: 4px 10px;
  font-size: var(--fs-caption);
  font-weight: var(--fw-medium);
  color: var(--color-text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--border-radius-full);
  letter-spacing: var(--ls-wide);
}

.project-card__link {
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.project-card__link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--duration-fast) var(--ease-out);
}

.project-card__link:hover svg {
  transform: translateX(4px);
}

/* ============================================================
   SECTION HEADERS
   ============================================================ */
.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-header__eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  font-weight: var(--fw-medium);
  color: var(--color-accent);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.section-header__title {
  font-family: var(--font-heading);
  font-size: var(--fs-h1);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-tight);
  margin-bottom: var(--space-md);
}

.section-header__description {
  color: var(--color-text-secondary);
  font-size: var(--fs-body-lg);
  max-width: 600px;
  margin: 0 auto;
  line-height: var(--lh-relaxed);
}

/* ============================================================
   CV / TIMELINE
   ============================================================ */
.timeline {
  position: relative;
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding-left: var(--space-3xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent), rgba(0, 144, 255, 0.3), transparent);
}

.timeline__item {
  position: relative;
  padding-bottom: var(--space-3xl);
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__dot {
  position: absolute;
  left: calc(-1 * var(--space-3xl) - 5px);
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-bg-primary);
  border: 2px solid var(--color-accent);
  box-shadow: 0 0 8px rgba(0, 212, 170, 0.3);
}

.timeline__period {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  color: var(--color-accent);
  letter-spacing: var(--ls-wider);
  margin-bottom: var(--space-xs);
}

.timeline__role {
  font-family: var(--font-heading);
  font-size: var(--fs-h3);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-xs);
}

.timeline__company {
  color: var(--color-text-secondary);
  font-weight: var(--fw-medium);
  margin-bottom: var(--space-md);
}

.timeline__description {
  color: var(--color-text-secondary);
  font-size: var(--fs-small);
  line-height: var(--lh-relaxed);
}

.timeline__description ul {
  list-style: disc;
  padding-left: var(--space-lg);
}

.timeline__description li {
  margin-bottom: var(--space-sm);
}

/* ============================================================
   SKILLS GRID
   ============================================================ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.skill-card {
  background: var(--color-bg-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--border-radius-md);
  padding: var(--space-xl);
  transition: border-color var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}

.skill-card:hover {
  border-color: rgba(0, 212, 170, 0.15);
  box-shadow: var(--shadow-sm);
}

.skill-card__title {
  font-family: var(--font-heading);
  font-size: var(--fs-h4);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

.skill-card__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* ============================================================
   PROJECT DETAIL PAGE
   ============================================================ */
.project-hero {
  padding: calc(var(--nav-height) + var(--space-4xl)) 0 var(--space-3xl);
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.project-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-mesh);
  pointer-events: none;
}

.project-hero__content {
  position: relative;
  z-index: var(--z-base);
}

.project-hero__back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  transition: color var(--duration-fast) var(--ease-out);
}

.project-hero__back:hover {
  color: var(--color-accent);
}

.project-hero__title {
  font-family: var(--font-heading);
  font-size: var(--fs-h1);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-tight);
  margin-bottom: var(--space-md);
}

.project-hero__subtitle {
  font-size: var(--fs-body-lg);
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
  max-width: 700px;
  margin-bottom: var(--space-xl);
}

.project-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xl);
  align-items: center;
}

.project-hero__meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
}

.project-hero__meta-label {
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--ls-wider);
  font-size: var(--fs-caption);
}

/* ── Project content ─────────────────────────────────────── */
.project-content {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
}

.project-content h2 {
  font-family: var(--font-heading);
  font-size: var(--fs-h2);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-lg);
  letter-spacing: var(--ls-tight);
}

.project-content h3 {
  font-family: var(--font-heading);
  font-size: var(--fs-h3);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-md);
}

.project-content p {
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-lg);
}

.project-content ul {
  list-style: none;
  padding: 0;
  margin-bottom: var(--space-lg);
}

.project-content li {
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
  padding-left: var(--space-lg);
  position: relative;
  margin-bottom: var(--space-sm);
}

.project-content li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

/* ── Screenshot gallery ──────────────────────────────────── */
.project-screenshot {
  margin: var(--space-2xl) 0;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: var(--color-bg-tertiary);
}

.project-screenshot img {
  width: 100%;
  display: block;
}

/* ============================================================
   ABOUT / CV PAGE
   ============================================================ */
.about-intro {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-3xl);
  align-items: start;
  max-width: var(--max-width-narrow);
  margin: 0 auto var(--space-4xl);
}

.about-intro__avatar {
  width: 200px;
  height: 200px;
  border-radius: var(--border-radius-xl);
  object-fit: cover;
  border: 3px solid transparent;
  background-origin: border-box;
  background-clip: padding-box, border-box;
  background-image: linear-gradient(var(--color-bg-primary), var(--color-bg-primary)),
                    var(--gradient-accent);
}

.about-intro__text {
  font-size: var(--fs-body-lg);
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
}

.about-intro__name {
  font-family: var(--font-heading);
  font-size: var(--fs-h2);
  font-weight: var(--fw-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.about-intro__role {
  color: var(--color-accent);
  font-weight: var(--fw-medium);
  margin-bottom: var(--space-lg);
}

/* ============================================================
   EDUCATION
   ============================================================ */
.education-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-lg);
  max-width: var(--max-width-narrow);
  margin: 0 auto;
}

.education-card {
  background: var(--color-bg-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--border-radius-md);
  padding: var(--space-xl);
}

.education-card__degree {
  font-family: var(--font-heading);
  font-size: var(--fs-h4);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-xs);
}

.education-card__school {
  color: var(--color-text-secondary);
  font-size: var(--fs-small);
  margin-bottom: var(--space-xs);
}

.education-card__year {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  color: var(--color-accent);
}

/* ============================================================
   CERTIFICATIONS
   ============================================================ */
.cert-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-bg-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--border-radius-md);
  max-width: var(--max-width-narrow);
  margin: 0 auto;
}

.cert-item__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-sm);
  background: var(--color-accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.cert-item__name {
  font-weight: var(--fw-semibold);
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 12px 24px;
  background: var(--color-bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--border-radius-full);
  color: var(--color-text-secondary);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  transition: all var(--duration-normal) var(--ease-out);
}

.contact-link:hover {
  color: var(--color-text-primary);
  border-color: rgba(0, 212, 170, 0.3);
  background: var(--color-bg-card-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.contact-link svg {
  width: 18px;
  height: 18px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: var(--space-2xl) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  text-align: center;
}

.footer__text {
  color: var(--color-text-muted);
  font-size: var(--fs-small);
}

.footer__social {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-md);
}

.footer__social-link {
  color: var(--color-text-muted);
  transition: color var(--duration-fast) var(--ease-out);
}

.footer__social-link:hover {
  color: var(--color-accent);
}

.footer__social-link svg {
  width: 20px;
  height: 20px;
}

/* ============================================================
   404 PAGE
   ============================================================ */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-xl);
}

.error-page__code {
  font-family: var(--font-heading);
  font-size: clamp(6rem, 20vw, 12rem);
  font-weight: var(--fw-bold);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: var(--space-md);
}

.error-page__message {
  font-size: var(--fs-body-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2xl);
}

/* ============================================================
   PLAY STORE BADGE
   ============================================================ */
.play-store-badge {
  height: 50px;
  transition: transform var(--duration-normal) var(--ease-out);
}

.play-store-badge:hover {
  transform: scale(1.05);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-lg);
  }

  .navbar__links {
    display: none;
  }

  .navbar__hamburger {
    display: flex;
  }

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

  .about-intro {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about-intro__avatar {
    margin: 0 auto;
    width: 150px;
    height: 150px;
  }

  .hero__cta-group {
    flex-direction: column;
  }

  .hero__avatar {
    width: 100px;
    height: 100px;
  }

  .project-hero__meta {
    flex-direction: column;
    align-items: flex-start;
  }

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

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

  .contact-links {
    flex-direction: column;
  }

  .section {
    padding: var(--space-3xl) 0;
  }
}

@media (max-width: 480px) {
  .hero__name {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .section-header__title {
    font-size: var(--fs-h2);
  }

  .project-hero__title {
    font-size: var(--fs-h2);
  }
}