/* ==================================================================
   foundations.css — Patricio Lumbe portfolio
   Design tokens, reset, layout primitives, typography, buttons, nav

   Load order:
   foundations.css -> content.css -> work.css -> contact.css
   -> theme.css -> extras.css
   ================================================================== */

/* ============================================================
   patriciolumbe.com : stylesheet
   Enterprise dark palette · AWS orange accent · electric blue
   ============================================================ */

:root {
  /* Color */
  --bg: #0f172a;               /* soft slate, easier on the eyes than pure black */
  --bg-elevated: #131d33;
  --card: #16223b;
  --surface: rgba(22, 34, 59, 0.62);
  --border: #24334f;
  --border-strong: #35496b;

  --accent: #38bdf8;           /* bright sky blue: CTAs, links, highlights */
  --accent-2: #60a5fa;
  --accent-soft: rgba(56, 189, 248, 0.10);
  --gradient: linear-gradient(120deg, #7dd3fc 0%, #38bdf8 55%, #60a5fa 100%);
  --orange: #ff9900;           /* AWS warm touch, used sparingly */
  --orange-soft: rgba(255, 153, 0, 0.10);
  --blue: #38bdf8;
  --blue-soft: rgba(56, 189, 248, 0.10);
  --success: #34d399;
  --amber: #fbbf24;
  --danger: #f87171;

  --text: #f1f5f9;
  --text-2: #a7b6cc;
  --muted: #6d7f99;

  /* Type */
  --display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --sans: 'Inter', system-ui, -apple-system, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;

  /* Space & shape */
  --radius: 14px;
  --radius-sm: 8px;
  --section-pad: 120px;
  --shadow: 0 1px 2px rgba(2, 6, 16, 0.35), 0 10px 30px rgba(2, 6, 16, 0.35);
  --shadow-lg: 0 20px 60px rgba(2, 6, 16, 0.5);
  --glow: 0 0 44px rgba(56, 189, 248, 0.14);
  --ring: 0 0 0 3px rgba(56, 189, 248, 0.4);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 96px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--blue-soft);
  color: #93c5fd;
  padding: 1px 6px;
  border-radius: 5px;
}

a { color: var(--blue); }

button, .btn, a { cursor: pointer; }

::selection { background: rgba(56, 189, 248, 0.3); color: #fff; }

:focus-visible {
  outline: none;
  box-shadow: var(--ring);
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 200;
  background: var(--accent);
  color: #0b1626;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: top 0.2s ease;
}
.skip-link:focus { top: 16px; }

/* ── Atmosphere ────────────────────────────────────────── */
.grid-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(156, 163, 175, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(156, 163, 175, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 55% at 50% 0%, #000 25%, transparent 100%);
}

.aurora {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
}
.aurora-1 {
  width: 620px; height: 620px; top: -260px; left: -160px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.12) 0%, transparent 70%);
}
.aurora-2 {
  width: 560px; height: 560px; bottom: -80px; right: -160px;
  background: radial-gradient(circle, rgba(255, 153, 0, 0.06) 0%, transparent 70%);
}

/* ── Layout ────────────────────────────────────────────── */
main, .footer { position: relative; z-index: 2; }
.container { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 32px; }

.section { padding: var(--section-pad) 0; position: relative; }
.section-alt {
  background: linear-gradient(180deg, rgba(22, 34, 59, 0.5), rgba(22, 34, 59, 0.18));
  border-block: 1px solid var(--border);
}

.section-head { max-width: 660px; margin-bottom: 56px; }
.section-lede { margin-top: 16px; }
.section-foot { margin-top: 48px; font-size: 15px; color: var(--muted); }

/* Shared glass panel */
.glass {
  background: var(--surface);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border);
}

/* ── Typography ────────────────────────────────────────── */
.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--display);
  font-size: clamp(30px, 3.6vw, 44px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.12;
  color: #fff;
}
.section-title em {
  font-style: normal;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.prose { color: var(--text-2); font-size: 16px; margin-top: 16px; max-width: 62ch; }

.item-title {
  font-family: var(--display);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
}

.link-mono {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s ease;
}
.link-mono:hover { border-bottom-color: var(--blue); }

/* ── Status pulse ──────────────────────────────────────── */
.pulse-dot {
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.5);
  animation: pulse 2.4s ease-out infinite;
}
@keyframes pulse {
  70% { box-shadow: 0 0 0 9px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}
.amber-dot {
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--amber);
  margin-right: 7px;
  vertical-align: 1px;
}

/* ── Navigation ────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background 0.25s ease, box-shadow 0.25s ease;
}
.nav.is-scrolled {
  background: rgba(15, 23, 42, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border);
}

.nav-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-logo {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}
.nav-logo span { color: var(--accent); }

.nav-links { display: flex; gap: 26px; list-style: none; }
.nav-links a {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.18s ease;
}
.nav-links a:hover,
.nav-links a.is-active { color: var(--accent); }

.nav-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--success);
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle-bar {
  display: block;
  width: 16px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:first-child { transform: translateY(3.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:last-child { transform: translateY(-3.5px) rotate(-45deg); }

/* ── Buttons ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  padding: 13px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}
.btn-primary {
  background: var(--gradient);
  color: #0b1626;
  box-shadow: 0 4px 16px rgba(56, 189, 248, 0.25);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 28px rgba(56, 189, 248, 0.38);
  filter: brightness(1.06);
}
.btn:active { transform: translateY(0) scale(0.98); }
.btn-ghost {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text-2);
}
.btn-ghost:hover {
  border-color: var(--blue);
  color: var(--blue);
  background: var(--blue-soft);
}
.btn-sm { padding: 10px 16px; font-size: 12px; }
.btn-disabled { opacity: 0.4; cursor: default; pointer-events: none; }
/* ==================================================================
   theme.css — Patricio Lumbe portfolio
   The premium layer: cursor spotlight, per-section color identity,
   scroll progress bar, grain texture, drifting auroras, hero
   shimmer, technology ticker, 3D tilt, video walkthroughs section
   ================================================================== */

/* ============================================================
   Premium hover system: spotlight, lifts and title reactions
   ============================================================ */

/* Mouse spotlight that follows the cursor inside cards (set by JS) */
.spotlight { position: relative; }
.spotlight::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  transition: opacity 0.35s ease;
  background: radial-gradient(360px circle at var(--mx, 50%) var(--my, 50%), rgba(56, 189, 248, 0.10), transparent 65%);
  pointer-events: none;
  z-index: 0;
}
.spotlight:hover::before { opacity: 1; }
.spotlight > * { position: relative; z-index: 1; }

/* Titles react when their card or row is hovered */
.item-title, .service-title, .project-title, .cert-name, .social-name {
  transition: color 0.22s ease;
}
.service-card:hover .service-title,
.portfolio-card:hover .project-title,
.cert-card:hover .cert-name,
.case-study:hover .item-title,
.decision:hover .item-title,
.social-link:hover .social-name { color: var(--accent); }

/* Cards get a glowing border on hover */
.service-card:hover,
.cert-card:hover {
  border-color: rgba(56, 189, 248, 0.4);
  box-shadow: var(--shadow), var(--glow);
}
.portfolio-card:hover {
  border-color: rgba(56, 189, 248, 0.35);
  box-shadow: var(--shadow-lg), var(--glow);
}
.social-link:hover { border-color: rgba(56, 189, 248, 0.4); }

/* Project image slowly zooms while hovering the card */
.portfolio-media img { transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1); }
.portfolio-card:hover .portfolio-media img { transform: scale(1.045); }

/* Play buttons react on hover, even while videos are pending */
.video-slot:hover .video-play { transform: scale(1.12); }
.video-slot.is-pending:hover { border-color: rgba(56, 189, 248, 0.45); }
.video-slot.is-pending:hover .video-play { border-color: var(--accent); }
.video-slot.is-pending:hover .video-label { color: var(--text-2); }

/* Case study and decision rows tint and glide on hover */
.case-study, .decision {
  transition: background 0.25s ease, padding-left 0.25s ease;
  border-radius: var(--radius-sm);
}
.case-study:hover, .decision:hover {
  background: rgba(56, 189, 248, 0.035);
  padding-left: 10px;
}

/* Metric tiles brighten slightly */
.metric { transition: background 0.25s ease; }
.metric:hover { background: rgba(35, 50, 82, 0.85); }

/* Timeline items highlight their marker */
.timeline-marker { transition: box-shadow 0.25s ease, transform 0.25s ease; }
.timeline-item:hover .timeline-marker {
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.55);
  transform: scale(1.15);
}

/* Nav links get a soft underline sweep */
.nav-links a { position: relative; }
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: -5px;
  height: 1.5px;
  background: var(--gradient);
  transition: right 0.25s ease;
}
.nav-links a:hover::after,
.nav-links a.is-active::after { right: 0; }

@media (prefers-reduced-motion: reduce) {
  .spotlight::before { display: none; }
}

/* ============================================================
   PREMIUM LAYER 2
   Per-section color identity, scroll progress, ticker,
   3D tilt, animated titles, noise texture
   ============================================================ */

/* ── Per-section accent identity ───────────────────────────
   Each section carries its own accent while sharing the same
   background, type and layout system. Coherent, not carnival:
   all hues live in the same saturation and lightness band.   */
.section { --sa: 56, 189, 248; --sa-hex: #38bdf8; }   /* default: sky   */
#services       { --sa: 139, 92, 246; --sa-hex: #8b5cf6; }  /* violet  */
#portfolio      { --sa: 45, 212, 191; --sa-hex: #2dd4bf; }  /* teal    */
#case-studies   { --sa: 52, 211, 153; --sa-hex: #34d399; }  /* emerald */
#architecture   { --sa: 251, 191, 36; --sa-hex: #fbbf24; }  /* amber   */
#certifications { --sa: 255, 153, 0;  --sa-hex: #ff9900; }  /* AWS orange */
#journey        { --sa: 129, 140, 248; --sa-hex: #818cf8; } /* indigo  */
#walkthroughs   { --sa: 34, 211, 238; --sa-hex: #22d3ee; }  /* cyan    */

/* Components inherit the section accent */
.section .eyebrow { color: var(--sa-hex); }
.section .section-title em {
  background: linear-gradient(120deg, var(--sa-hex), color-mix(in srgb, var(--sa-hex) 45%, #ffffff));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.section .link-mono { color: var(--sa-hex); }
.section .link-mono:hover { border-bottom-color: var(--sa-hex); }
.section .decision-index,
.section .case-study-index { color: var(--sa-hex); }
.section .chip:hover { border-color: rgba(var(--sa), 0.5); }
.section .video-play { color: var(--sa-hex); }
.section .video-slot:not(.is-pending):hover { border-color: var(--sa-hex); }
.section .video-slot:not(.is-pending):hover .video-play {
  background: var(--sa-hex);
  color: #0b1626;
  border-color: var(--sa-hex);
}
.section .video-slot.is-pending:hover { border-color: rgba(var(--sa), 0.45); }
.section .video-slot.is-pending:hover .video-play { border-color: var(--sa-hex); }
.section .timeline-marker { border-color: var(--sa-hex); }
.section .timeline-item-next .timeline-marker { border-color: var(--amber); }
.section .timeline-tag { color: var(--sa-hex); }
.section .timeline-tag-next { color: var(--amber); }
.timeline::before { background: linear-gradient(180deg, #a5b4fc, #818cf8, rgba(109,127,153,0.12)); }
.section .timeline-item:hover .timeline-marker { box-shadow: 0 0 12px rgba(var(--sa), 0.55); }

/* Spotlight + hover glows follow the section accent */
.section .spotlight::before {
  background: radial-gradient(360px circle at var(--mx, 50%) var(--my, 50%), rgba(var(--sa), 0.12), transparent 65%);
}
.section .service-card:hover,
.section .cert-card:hover {
  border-color: rgba(var(--sa), 0.45);
  box-shadow: var(--shadow), 0 0 44px rgba(var(--sa), 0.16);
}
.section .portfolio-card:hover {
  border-color: rgba(var(--sa), 0.4);
  box-shadow: var(--shadow-lg), 0 0 44px rgba(var(--sa), 0.16);
}
.section .social-link:hover { border-color: rgba(var(--sa), 0.45); }
.section .service-card:hover .service-title,
.section .portfolio-card:hover .project-title,
.section .cert-card:hover .cert-name,
.section .case-study:hover .item-title,
.section .decision:hover .item-title,
.section .social-link:hover .social-name { color: var(--sa-hex); }
.section .case-study:hover,
.section .decision:hover { background: rgba(var(--sa), 0.04); }
.section .contact-email { color: var(--sa-hex); }
.section .contact-email:hover { border-bottom-color: var(--sa-hex); }
.section .contact-form input:focus,
.section .contact-form textarea:focus {
  border-color: var(--sa-hex);
  box-shadow: 0 0 0 3px rgba(var(--sa), 0.35);
}

/* Animated underline that draws itself when the title enters view */
.section-head .section-title { position: relative; padding-bottom: 0; }
.section-head .section-title::after {
  content: "";
  display: block;
  width: 0;
  height: 3px;
  margin-top: 18px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--sa-hex), rgba(var(--sa), 0.15));
  transition: width 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.2s;
}
.section-head.is-visible .section-title::after { width: 88px; }

/* ── Scroll progress bar ───────────────────────────────── */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 3px;
  z-index: 300;
  background: linear-gradient(90deg, #38bdf8, #8b5cf6, #2dd4bf, #fbbf24, #ff9900);
  transform: scaleX(0);
  transform-origin: left;
  pointer-events: none;
}

/* ── Grain texture: the "expensive paper" feel ─────────── */
.noise {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.032;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ── Living background: auroras drift slowly ───────────── */
.aurora-1 { animation: drift1 26s ease-in-out infinite alternate; }
.aurora-2 { animation: drift2 32s ease-in-out infinite alternate; }
.aurora-3 {
  width: 500px; height: 500px;
  top: 40%; left: 55%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.07) 0%, transparent 70%);
  animation: drift3 38s ease-in-out infinite alternate;
}
@keyframes drift1 { to { transform: translate(70px, 50px) scale(1.12); } }
@keyframes drift2 { to { transform: translate(-60px, -40px) scale(1.08); } }
@keyframes drift3 { to { transform: translate(-80px, 60px) scale(1.15); } }

/* ── Hero name: living gradient shimmer ────────────────── */
.hero-last {
  background: linear-gradient(120deg, #7dd3fc, #38bdf8, #818cf8, #38bdf8, #7dd3fc);
  background-size: 300% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  animation: shimmer 7s ease-in-out infinite;
}
@keyframes shimmer {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* ── Technology ticker ─────────────────────────────────── */
.ticker {
  margin-top: 56px;
  overflow: hidden;
  border-block: 1px solid var(--border);
  padding: 14px 0;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.ticker-track {
  display: flex;
  align-items: center;
  gap: 28px;
  width: max-content;
  animation: tickerScroll 34s linear infinite;
}
.ticker:hover .ticker-track { animation-play-state: paused; }
.ticker-item {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
  transition: color 0.2s ease;
}
.ticker-item:hover { color: var(--accent); }
.ticker-sep { color: rgba(56, 189, 248, 0.4); font-size: 10px; }
@keyframes tickerScroll { to { transform: translateX(-50%); } }

/* ── 3D tilt on cards (set by JS) ──────────────────────── */
.tilt { transform-style: preserve-3d; }
.tilt:hover {
  transform: perspective(900px) translateY(-4px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
}

/* ── Staggered reveals in grids (delay set by JS) ──────── */
.reveal { transition-delay: var(--rd, 0s); }

/* ── Video walkthroughs ────────────────────────────────── */
.video-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}
.filter-btn {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 8px 16px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  transition: all 0.2s ease;
}
.filter-btn:hover { border-color: var(--sa-hex); color: var(--sa-hex); }
.filter-btn-active {
  background: linear-gradient(120deg, var(--sa-hex), color-mix(in srgb, var(--sa-hex) 60%, #ffffff));
  color: #0b1626;
  border-color: var(--sa-hex);
}

.videos-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.video-card {
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
}
.video-card:hover {
  transform: translateY(-4px);
  border-color: rgba(var(--sa), 0.4);
  box-shadow: var(--shadow-lg), 0 0 44px rgba(var(--sa), 0.16);
}
.video-player {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--bg-elevated);
  flex-shrink: 0;
  overflow: hidden;
}
.video-player video {
  width: 100%;
  height: 100%;
  display: block;
  accent-color: var(--sa-hex);
}
.video-player video::-webkit-media-controls-panel { background-color: rgba(22, 34, 59, 0.95); }
.video-card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.video-category {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sa-hex);
  font-weight: 600;
  margin-bottom: 8px;
}
.video-card .item-title { margin-bottom: 8px; }
.video-card .prose { margin-top: 0; font-size: 14.5px; }
.video-duration {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

@media (max-width: 980px) {
  .videos-grid { grid-template-columns: 1fr; }
  .ticker { margin-top: 40px; }
}
@media (max-width: 620px) {
  .video-card-body { padding: 16px; }
  .filter-btn { padding: 6px 12px; font-size: 11px; }
}

@media (prefers-reduced-motion: reduce) {
  .ticker-track { animation: none; }
  .aurora-1, .aurora-2, .aurora-3 { animation: none; }
  .hero-last { animation: none; }
  .tilt:hover { transform: translateY(-4px); }
  .scroll-progress { display: none; }
}