/* --------------------------------------------------------------------------
   Ashutosh Soni — personal site
   Theme: light by default; dark via [data-theme="dark"]
   -------------------------------------------------------------------------- */

:root {
  --font-sans: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;
  --font-display: "Instrument Serif", Georgia, "Times New Roman", serif;
  --font-name: "Playfair Display", Georgia, "Times New Roman", serif;

  --space-xs: 0.35rem;
  --space-sm: 0.75rem;
  --space-md: 1.25rem;
  --space-lg: 2rem;
  --space-xl: 3.5rem;
  --space-2xl: 5rem;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --header-h: 64px;

  color-scheme: light;
  --bg-base: #f8f7f4;
  --bg-elevated: #ffffff;
  --bg-card: #ffffff;
  --bg-hover: #f0eeea;
  --text-primary: #1a1a1f;
  --text-secondary: #4a4a55;
  --text-muted: #7a7a88;
  --border: rgba(26, 26, 31, 0.1);
  --accent: #8b6914;
  --accent-soft: rgba(139, 105, 20, 0.12);
  --accent-glow: rgba(139, 105, 20, 0.2);
  --gradient-hero: radial-gradient(ellipse 80% 60% at 70% 15%, rgba(139, 105, 20, 0.1), transparent 55%),
    radial-gradient(ellipse 60% 50% at 10% 85%, rgba(99, 102, 241, 0.06), transparent 50%);
  --gradient-page: radial-gradient(ellipse 110% 55% at 8% -8%, rgba(139, 105, 20, 0.12), transparent 52%),
    radial-gradient(ellipse 90% 50% at 92% 8%, rgba(99, 102, 241, 0.07), transparent 48%),
    radial-gradient(ellipse 85% 45% at 50% 102%, rgba(139, 105, 20, 0.08), transparent 55%),
    linear-gradient(165deg, rgba(248, 247, 244, 0.97) 0%, var(--bg-base) 38%, rgba(240, 238, 234, 0.85) 100%);
  --shadow-card: 0 20px 48px -24px rgba(26, 26, 31, 0.1);
  --code-bg: rgba(26, 26, 31, 0.06);
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg-base: #0a0a0c;
  --bg-elevated: #121218;
  --bg-card: #16161e;
  --bg-hover: #1c1c28;
  --text-primary: #f4f4f6;
  --text-secondary: #a1a1b0;
  --text-muted: #6b6b78;
  --border: rgba(255, 255, 255, 0.08);
  --accent: #c9a962;
  --accent-soft: rgba(201, 169, 98, 0.15);
  --accent-glow: rgba(201, 169, 98, 0.35);
  --gradient-hero: radial-gradient(ellipse 80% 60% at 70% 20%, rgba(201, 169, 98, 0.12), transparent 55%),
    radial-gradient(ellipse 60% 50% at 10% 80%, rgba(99, 102, 241, 0.08), transparent 50%);
  --gradient-page: radial-gradient(ellipse 100% 50% at 12% -5%, rgba(201, 169, 98, 0.14), transparent 50%),
    radial-gradient(ellipse 85% 45% at 88% 12%, rgba(99, 102, 241, 0.1), transparent 50%),
    radial-gradient(ellipse 75% 40% at 48% 108%, rgba(201, 169, 98, 0.09), transparent 55%),
    linear-gradient(168deg, rgba(14, 14, 18, 0.98) 0%, var(--bg-base) 42%, rgba(18, 18, 26, 0.95) 100%);
  --shadow-card: 0 24px 48px -24px rgba(0, 0, 0, 0.6);
  --code-bg: rgba(255, 255, 255, 0.06);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  min-height: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text-primary);
  background-color: var(--bg-base);
  background-image: var(--gradient-page);
  background-repeat: no-repeat;
  background-size: 100% 100%;
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.35s var(--ease-out), color 0.35s var(--ease-out);
  overflow-x: clip;
  text-rendering: optimizeLegibility;
}

@media (prefers-reduced-motion: reduce) {
  body {
    transition: none;
    background-attachment: scroll;
  }
}

@media (max-width: 1024px) {
  body {
    background-attachment: scroll;
  }
}

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

a:hover {
  color: var(--text-primary);
}

:focus:not(:focus-visible) {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

button:focus-visible,
.theme-toggle:focus-visible,
.nav__menu-btn:focus-visible {
  outline-offset: 2px;
}

#main:focus-visible {
  outline-offset: 0.35rem;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-md);
  z-index: 1000;
  padding: var(--space-sm) var(--space-md);
  background: var(--accent);
  color: var(--bg-base);
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: var(--space-sm);
  outline: 2px solid var(--text-primary);
  outline-offset: 2px;
}

.container {
  width: min(
    1120px,
    calc(100% - max(1rem, env(safe-area-inset-left)) - max(1rem, env(safe-area-inset-right)))
  );
  margin-inline: auto;
}

.section {
  padding-block: var(--space-2xl);
  scroll-margin-top: var(--header-h);
}

/* ----- Header / Nav ----- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg-base) 75%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.site-header.is-scrolled {
  background: color-mix(in srgb, var(--bg-base) 92%, transparent);
  box-shadow: 0 12px 36px -24px rgba(26, 26, 31, 0.12);
}

[data-theme="dark"] .site-header.is-scrolled {
  box-shadow: 0 12px 40px -28px rgba(0, 0, 0, 0.45);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  min-height: var(--header-h);
  width: 100%;
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: max(1rem, env(safe-area-inset-left)) max(1rem, env(safe-area-inset-right));
  box-sizing: border-box;
}

.nav__brand {
  font-family: var(--font-name);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.14em;
  font-feature-settings: "kern" 1, "liga" 1;
}

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

.nav__links {
  display: none;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--space-lg);
  align-items: center;
}

.nav__links a {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  font-weight: 500;
}

.nav__links a:hover {
  color: var(--text-primary);
}

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

.nav__cta {
  display: none;
  padding: 0.55rem 1.1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--bg-base);
  background: var(--accent);
  border-radius: var(--radius-full);
}

.nav__cta:hover {
  opacity: 0.92;
  color: var(--bg-base);
}

.theme-toggle {
  position: relative;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  background: var(--bg-elevated);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: border-color 0.2s ease, transform 0.2s var(--ease-out);
}

.theme-toggle:hover {
  border-color: var(--accent);
  transform: scale(1.04);
}

.theme-toggle__icon {
  position: absolute;
  width: 20px;
  height: 20px;
  transition: opacity 0.25s ease, transform 0.25s var(--ease-out);
}

.theme-toggle__icon--sun {
  opacity: 1;
  transform: rotate(0) scale(1);
  background: radial-gradient(circle, #f5d76e 30%, #e8a838 100%);
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(245, 215, 110, 0.5);
}

.theme-toggle__icon--moon {
  opacity: 0;
  transform: rotate(45deg) scale(0.6);
  border-radius: 50%;
  box-shadow: inset -5px -2px 0 2px var(--text-secondary);
}

[data-theme="dark"] .theme-toggle__icon--sun {
  opacity: 0;
  transform: rotate(-45deg) scale(0.6);
}

[data-theme="dark"] .theme-toggle__icon--moon {
  opacity: 1;
  transform: rotate(0) scale(1);
}

.nav__menu-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  cursor: pointer;
}

.nav__menu-btn span {
  display: block;
  width: 20px;
  height: 2px;
  margin-inline: auto;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.nav__menu-btn[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__menu-btn[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav__menu-btn[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-mobile {
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
  padding: var(--space-md) max(1.25rem, env(safe-area-inset-left)) var(--space-lg)
    max(1.25rem, env(safe-area-inset-right));
  animation: slideDown 0.35s var(--ease-out);
}

.nav-mobile[hidden] {
  display: none;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.nav-mobile__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.nav-mobile__links a {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: var(--space-sm) var(--space-md);
  color: var(--text-primary);
  font-weight: 500;
  border-radius: var(--radius-sm);
}

.nav-mobile__links a:hover {
  background: var(--bg-hover);
  color: var(--accent);
}

@media (min-width: 880px) {
  .nav__links {
    display: flex;
  }

  .nav__cta {
    display: inline-flex;
  }

  .nav__menu-btn {
    display: none;
  }

  .nav-mobile {
    display: none !important;
  }
}

/* ----- Hero ----- */

.hero {
  position: relative;
  min-height: min(100vh, 900px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: calc(var(--header-h) + var(--space-lg));
  padding-bottom: var(--space-xl);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  pointer-events: none;
}

.hero__grid {
  position: relative;
  display: grid;
  gap: var(--space-xl);
  align-items: center;
}

@media (min-width: 900px) {
  .hero__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: clamp(var(--space-lg), 4vw, var(--space-2xl));
    align-items: center;
  }

  .hero__visual {
    justify-self: stretch;
  }

  .profile-card__img {
    max-width: min(760px, 100%, 54vw);
  }
}

.hero__title {
  font-family: var(--font-name);
  font-size: clamp(2.75rem, 6vw, 4.25rem);
  font-weight: 600;
  line-height: 1.08;
  margin: 0 0 var(--space-sm);
  letter-spacing: -0.015em;
  font-feature-settings: "kern" 1, "liga" 1, "dlig" 1;
}

.hero__role {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 var(--space-sm);
}

.hero__meta {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin: 0 0 var(--space-md);
  line-height: 1.5;
  max-width: 42ch;
}

.hero__meta-highlight {
  color: var(--text-primary);
  font-weight: 600;
}

.hero__intro {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 36ch;
  margin: 0 0 var(--space-lg);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.5rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: transform 0.2s var(--ease-out), box-shadow 0.2s ease, background 0.2s ease;
}

.btn--primary {
  background: var(--accent);
  color: var(--bg-base);
  box-shadow: 0 8px 28px -8px var(--accent-glow);
}

.btn--primary:hover {
  transform: translateY(-2px);
  color: var(--bg-base);
  box-shadow: 0 12px 36px -10px var(--accent-glow);
}

.btn--ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.hero__social {
  display: flex;
  gap: var(--space-sm);
  list-style: none;
  margin: 0;
  padding: 0;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  background: var(--bg-elevated);
  transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s var(--ease-out), background 0.2s ease;
}

.social-link:hover {
  color: var(--accent);
  border-color: var(--accent-soft);
  background: var(--accent-soft);
  transform: translateY(-2px);
}

.social-link--large {
  width: auto;
  height: auto;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9375rem;
}

.hero__visual {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.profile-card {
  width: 100%;
  max-width: min(760px, 100%);
  margin-inline: auto;
}

.profile-card picture {
  display: block;
  width: 100%;
}

.profile-card__img {
  width: 100%;
  height: auto;
  max-width: min(760px, 100%);
  display: block;
  margin-inline: auto;
  border-radius: var(--radius-lg);
}

.hero__scroll {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  width: 28px;
  height: 44px;
  border: 2px solid var(--border);
  border-radius: var(--radius-full);
  display: flex;
  justify-content: center;
  padding-top: 8px;
  color: var(--text-muted);
  transition: border-color 0.2s ease, color 0.2s ease;
}

.hero__scroll:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.hero__scroll-line {
  width: 4px;
  height: 8px;
  border-radius: 2px;
  background: currentColor;
  animation: scrollNudge 2s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
  .hero__scroll-line {
    animation: none;
  }
}

@keyframes scrollNudge {
  0%,
  100% {
    transform: translateY(0);
    opacity: 1;
  }
  50% {
    transform: translateY(10px);
    opacity: 0.4;
  }
}

/* ----- Section headers ----- */

.section-header {
  margin-bottom: var(--space-xl);
}

.section-header--compact {
  margin-bottom: var(--space-md);
}

.section-header__label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

.section-header__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 400;
  margin: 0;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

/* ----- About ----- */

.about__grid {
  display: grid;
  gap: var(--space-xl);
}

@media (min-width: 800px) {
  .about__grid {
    grid-template-columns: 1.2fr 1fr;
    align-items: start;
  }
}

.about__text p {
  margin: 0 0 var(--space-md);
  color: var(--text-secondary);
}

.about__text strong {
  color: var(--text-primary);
}

.about__highlights {
  padding: var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.about__highlights-title {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 var(--space-sm);
}

.about__highlights-title:not(:first-child) {
  margin-top: var(--space-lg);
}

.highlight-list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--text-secondary);
}

.highlight-list li {
  margin-bottom: var(--space-xs);
}

.about__edu p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

/* ----- Skills ----- */

.skills {
  background: color-mix(in srgb, var(--bg-elevated) 50%, var(--bg-base));
  border-block: 1px solid var(--border);
}

.skills__groups {
  display: grid;
  gap: var(--space-md);
}

@media (min-width: 640px) {
  .skills__groups {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .skills__groups {
    grid-template-columns: repeat(3, 1fr);
  }
}

.skill-group {
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: 0 0 0 0 transparent;
  transition: border-color 0.3s ease, box-shadow 0.35s var(--ease-out), transform 0.35s var(--ease-out);
}

.skill-group:hover {
  border-color: color-mix(in srgb, var(--accent) 28%, var(--border));
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

.skill-group__title {
  font-size: 0.9375rem;
  font-weight: 600;
  margin: 0 0 var(--space-sm);
  color: var(--text-primary);
}

.skill-tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.skill-tags li {
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-full);
  background: var(--accent-soft);
  color: var(--text-primary);
  border: 1px solid transparent;
}

/* ----- Timeline ----- */

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), var(--border));
  border-radius: 2px;
}

@media (min-width: 600px) {
  .timeline::before {
    left: 15px;
  }
}

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

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

.timeline__marker {
  position: absolute;
  left: 4px;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-base);
  border: 3px solid var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

@media (min-width: 600px) {
  .timeline__marker {
    left: 8px;
  }
}

.timeline__card {
  padding: var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.timeline__card:hover {
  border-color: color-mix(in srgb, var(--accent) 25%, var(--border));
  box-shadow: var(--shadow-card);
}

.timeline__head {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  margin-bottom: var(--space-sm);
}

.timeline__role {
  font-size: 1.125rem;
  font-weight: 700;
  margin: 0;
}

.timeline__company {
  font-weight: 600;
  color: var(--accent);
}

.timeline__meta {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.timeline__project {
  margin: 0 0 var(--space-sm);
  color: var(--text-secondary);
}

.timeline__tech {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ----- Projects ----- */

.project-grid {
  display: grid;
  gap: var(--space-md);
}

@media (min-width: 720px) {
  .project-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.project-card {
  padding: var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  min-height: 100%;
  transition: transform 0.35s var(--ease-out), border-color 0.3s ease, box-shadow 0.35s var(--ease-out);
}

.project-card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--accent) 25%, var(--border));
  box-shadow: var(--shadow-card);
}

.project-card__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  margin: 0 0 var(--space-sm);
}

.project-card__desc {
  flex: 1;
  margin: 0 0 var(--space-md);
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.project-card__tech {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ----- Contact ----- */

.contact__panel {
  max-width: 640px;
  margin-inline: auto;
  padding: var(--space-xl);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  text-align: center;
}

.contact__lede {
  margin: var(--space-md) 0 0;
  color: var(--text-secondary);
  font-size: 1rem;
}

.contact__list {
  list-style: none;
  margin: var(--space-lg) 0;
  padding: 0;
  text-align: left;
}

.contact__list li {
  display: grid;
  gap: 0.25rem;
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--border);
}

.contact__list li:last-child {
  border-bottom: none;
}

.contact__label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.contact__list a {
  font-weight: 600;
  font-size: 1.0625rem;
  color: var(--text-primary);
}

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

.muted {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.contact__social {
  justify-content: center;
  flex-wrap: wrap;
}

/* ----- Footer ----- */

.site-footer {
  padding-top: var(--space-lg);
  padding-bottom: calc(var(--space-lg) + env(safe-area-inset-bottom));
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.site-footer p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.site-footer__top {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.site-footer__top:hover {
  color: var(--accent);
}

/* ----- Reveal animations ----- */

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
  will-change: opacity, transform;
}

.reveal--delay {
  transition-delay: 0.06s;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  will-change: auto;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .reveal--delay {
    transition-delay: 0;
  }

  .skill-group:hover,
  .project-card:hover,
  .btn--primary:hover,
  .btn--ghost:hover,
  .social-link:hover {
    transform: none;
  }
}

/* ----- Mobile & small viewports ----- */

button,
.btn,
.social-link,
.nav__menu-btn,
.theme-toggle,
.hero__scroll {
  touch-action: manipulation;
}

@media (min-width: 640px) {
  :root {
    --header-h: 72px;
  }
}

@media (max-width: 639px) {
  :root {
    --header-h: 56px;
    --space-2xl: 3.25rem;
    --space-xl: 2.5rem;
  }

  body {
    font-size: 1rem;
  }

  .hero {
    min-height: 0;
    padding-top: calc(var(--header-h) + var(--space-md));
    padding-bottom: calc(var(--space-xl) + env(safe-area-inset-bottom));
  }

  .hero__title {
    font-size: clamp(2.15rem, 10vw, 3.25rem);
    line-height: 1.08;
  }

  .hero__intro {
    font-size: 1rem;
    max-width: none;
  }

  .hero__role {
    letter-spacing: 0.14em;
    font-size: 0.75rem;
  }

  .hero__meta {
    font-size: 0.875rem;
    max-width: none;
  }

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

  .hero__actions .btn {
    width: 100%;
    justify-content: center;
    min-height: 48px;
  }

  .hero__scroll {
    bottom: max(var(--space-md), env(safe-area-inset-bottom));
  }

  .profile-card {
    max-width: min(560px, 96vw);
  }

  .profile-card__img {
    max-width: min(560px, 96vw);
  }

  .section-header__title {
    font-size: clamp(1.65rem, 7vw, 2.25rem);
  }

  .timeline__item {
    padding-left: 2.5rem;
  }

  .timeline::before {
    left: 7px;
  }

  .timeline__marker {
    left: 0;
    width: 14px;
    height: 14px;
  }

  .timeline__card {
    padding: var(--space-md);
  }

  .timeline__role {
    font-size: 1.05rem;
  }

  .timeline__meta {
    font-size: 0.8125rem;
    line-height: 1.4;
  }

  .project-card {
    padding: var(--space-md);
  }

  .project-card__title {
    font-size: 1.35rem;
  }

  .contact__panel {
    padding: var(--space-lg) var(--space-md);
    text-align: left;
  }

  .contact__list a {
    overflow-wrap: anywhere;
    font-size: 1rem;
  }

  .contact__social {
    justify-content: flex-start;
  }

  .skill-group {
    padding: var(--space-sm) var(--space-md);
  }

  .about__highlights {
    padding: var(--space-md);
  }

  .site-footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 359px) {
  .nav {
    gap: 0.35rem;
  }

  .nav__brand {
    font-size: 1.35rem;
  }

  .theme-toggle,
  .nav__menu-btn {
    width: 42px;
    height: 42px;
  }

  .container {
    width: min(
      1120px,
      calc(100% - max(0.75rem, env(safe-area-inset-left)) - max(0.75rem, env(safe-area-inset-right)))
    );
  }

  .nav {
    padding-inline: max(0.75rem, env(safe-area-inset-left)) max(0.75rem, env(safe-area-inset-right));
  }
}

@media (min-width: 640px) and (max-width: 899px) {
  .hero {
    min-height: min(92dvh, 820px);
  }
}

@supports not (min-height: 100dvh) {
  @media (min-width: 640px) and (max-width: 899px) {
    .hero {
      min-height: min(92vh, 820px);
    }
  }
}