/* ============================================
   PROMETHEUS — Multi-Page Professional Website
   Integral Theory informed design:
   Red=Power, Blue=Mission, Orange=Innovation,
   Green=Ecology, Yellow=Systems, Turquoise=Unity
   ============================================ */

:root {
  --black: #0b0b0f;
  --bg: #0e0e12;
  --bg-alt: #111116;
  --surface: #16161c;
  --surface-2: #1c1c24;
  --border: rgba(255,255,255,0.06);
  --border-hover: rgba(255,255,255,0.14);

  --flame: #e8a735;
  --flame-light: #f5c961;
  --ember: #c4722a;
  --sun: #fad68a;
  --leaf: #6dbf6a;
  --leaf-muted: rgba(109,191,106,0.1);
  --sky: #5b9bd5;
  --sky-muted: rgba(91,155,213,0.1);

  --white: #f0ede8;
  --text: #b8b3ab;
  --text-muted: #757069;
  --text-dim: #45413c;

  --font: "Inter", -apple-system, system-ui, sans-serif;
  --font-display: "Playfair Display", Georgia, serif;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --radius: 16px;
  --radius-sm: 8px;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: auto; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  line-height: 1.65;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { border: none; background: none; font-family: inherit; cursor: pointer; }
::selection { background: var(--flame); color: var(--black); }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 4vw, 3rem);
}
.container--narrow { max-width: 860px; }
.container--wide { max-width: 1400px; }

/* A11y skip link */
.skip-link {
  position: absolute; top: -100%; left: 1rem;
  padding: 0.75rem 1.5rem; background: var(--flame);
  color: var(--black); border-radius: var(--radius-sm);
  font-weight: 600; z-index: 99999; transition: top 0.2s;
}
.skip-link:focus { top: 1rem; }

/* Keyboard focus indicator */
*:focus {
  outline: 2px solid transparent;
  outline-offset: 2px;
}
.keyboard-focus {
  outline: 2px solid var(--flame) !important;
  outline-offset: 3px;
  box-shadow: 0 0 0 4px rgba(232,167,53,0.2) !important;
}
a.keyboard-focus, button.keyboard-focus {
  outline-offset: 3px;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reduced-motion * {
    animation: none !important;
    transition: none !important;
  }
}

/* ================================
   PAGE TRANSITION OVERLAY
   ================================ */
.page-transition {
  position: fixed; inset: 0;
  z-index: 10002;
  pointer-events: none;
}
.page-transition-inner {
  position: absolute; inset: 0;
  background: var(--black);
  transform-origin: top;
  transform: scaleY(1);
  transition: transform 0.7s var(--ease);
}
.page-transition.revealed .page-transition-inner {
  transform: scaleY(0);
}
.page-transition.leaving .page-transition-inner {
  transform-origin: bottom;
  transform: scaleY(1);
  transition: transform 0.5s cubic-bezier(0.7, 0, 0.3, 1);
}

/* ================================
   PROGRESS BAR
   ================================ */
.progress-bar {
  position: fixed; top: 0; left: 0;
  width: 0%; height: 2px;
  background: linear-gradient(90deg, var(--flame), var(--flame-light));
  z-index: 10001; transition: width 0.1s linear;
  will-change: width;
}

/* ================================
   CUSTOM CURSOR
   ================================ */
.cursor {
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 9999;
  mix-blend-mode: difference;
  transform: translate(-50%, -50%);
}
.cursor-dot {
  width: 8px; height: 8px;
  background: var(--white); border-radius: 50%;
  transition: transform 0.2s var(--ease), opacity 0.2s;
}
.cursor-ring {
  position: absolute; top: 50%; left: 50%;
  width: 40px; height: 40px;
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.35s var(--ease), height 0.35s var(--ease), border-color 0.3s;
}
.cursor-text {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-size: 0.6rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--white); opacity: 0;
  transition: opacity 0.25s; white-space: nowrap;
}
.cursor.hovering .cursor-dot { transform: scale(0); }
.cursor.hovering .cursor-ring { width: 72px; height: 72px; border-color: rgba(232,167,53,0.5); }
.cursor.hovering .cursor-text { opacity: 1; }
.cursor.clicking .cursor-ring { width: 28px; height: 28px; }

/* ================================
   LOADER
   ================================ */
.loader {
  position: fixed; inset: 0; z-index: 10000;
  background: var(--black);
  display: flex; align-items: center; justify-content: center;
}
.loader.done { pointer-events: none; }
.loader-inner { text-align: center; }
.loader-logo img {
  width: 48px; height: 48px;
  margin: 0 auto 2rem; object-fit: contain;
}
.loader-counter {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 300; color: var(--white);
  margin-bottom: 1.5rem; line-height: 1;
}
.loader-bar-track {
  width: 200px; height: 1px;
  background: var(--surface-2);
  margin: 0 auto; overflow: hidden; border-radius: 1px;
}
.loader-bar {
  width: 0%; height: 100%;
  background: var(--flame); border-radius: 1px;
}

/* ================================
   HEADER / NAVIGATION
   ================================ */
.header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000; padding: 1.25rem 0;
  background: transparent;
  transition: all 0.4s var(--ease);
}
.header.scrolled {
  padding: 0.75rem 0;
  background: rgba(14,14,18,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav {
  max-width: 1200px; margin: 0 auto;
  padding: 0 clamp(1.5rem, 4vw, 3rem);
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  display: flex; align-items: center; gap: 0.75rem;
}
.nav-logo img { width: 30px; height: 30px; object-fit: contain; }
.nav-logo span {
  font-size: 0.95rem; font-weight: 500;
  color: var(--white); letter-spacing: 0.04em;
}
.nav-menu {
  display: flex; align-items: center; gap: 2rem;
}
.nav-link {
  font-size: 0.82rem; font-weight: 400;
  color: var(--white); opacity: 0.5;
  transition: opacity 0.3s;
  position: relative; padding: 0.5rem 0;
}
.nav-link::after {
  content: ""; position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--flame);
  transition: width 0.4s var(--ease);
}
.nav-link:hover { opacity: 1; }
.nav-link:hover::after { width: 100%; }
/* Active page indicator */
.nav-link.active { opacity: 1; }
.nav-link.active::after { width: 100%; }

.nav-link--cta {
  padding: 0.55rem 1.35rem;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 100px; opacity: 0.8;
  transition: all 0.3s var(--ease);
}
.nav-link--cta::after { display: none; }
.nav-link--cta:hover {
  background: var(--flame); border-color: var(--flame);
  color: var(--black); opacity: 1;
}
.nav-burger {
  display: none; flex-direction: column;
  gap: 6px; width: 28px; padding: 6px 0;
}
.nav-burger span {
  display: block; height: 1.5px;
  background: var(--white); border-radius: 1px;
  transition: all 0.3s var(--ease); transform-origin: center;
}
.nav-burger.open span:first-child { transform: translateY(3.75px) rotate(45deg); }
.nav-burger.open span:last-child { transform: translateY(-3.75px) rotate(-45deg); }

/* ================================
   BUTTONS
   ================================ */
.btn {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--font); font-size: 0.88rem;
  font-weight: 500; letter-spacing: 0.02em;
  padding: 0.95rem 2rem;
  border-radius: 100px; border: none;
  position: relative; overflow: hidden;
  transition: all 0.35s var(--ease); cursor: pointer;
}
.btn--primary { background: var(--flame); color: var(--black); }
.btn--primary:hover {
  box-shadow: 0 8px 36px rgba(232,167,53,0.3);
  transform: translateY(-1px);
}
.btn--ghost {
  background: transparent; color: var(--text);
  border: 1px solid var(--border-hover);
}
.btn--ghost:hover { border-color: var(--flame); color: var(--flame); }
.btn--white {
  background: var(--white); color: var(--black);
}
.btn--white:hover {
  box-shadow: 0 8px 36px rgba(240,237,232,0.2);
  transform: translateY(-1px);
}
.btn-text { position: relative; z-index: 1; }
.btn-arrow {
  position: relative; z-index: 1; display: flex;
  transition: transform 0.35s var(--ease);
}
.btn:hover .btn-arrow { transform: translate(3px, -3px); }
.btn--large { padding: 1.1rem 2.5rem; font-size: 0.95rem; }

/* ================================
   HOME HERO
   ================================ */
.hero {
  position: relative; height: 100vh; min-height: 650px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; padding: 6rem 0 7rem;
}
.hero-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at center, transparent 0%, rgba(11,11,15,0.35) 80%);
  pointer-events: none;
}
.hero-content {
  position: relative; z-index: 2;
  text-align: center;
  padding: 0 clamp(1.5rem, 4vw, 3rem);
  max-width: 920px; width: 100%;
}
.hero-eyebrow {
  font-size: 0.72rem; letter-spacing: 0.3em;
  text-transform: uppercase; color: var(--flame);
  margin-bottom: 2.5rem; font-weight: 500;
  opacity: 0;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 7vw, 5.5rem);
  font-weight: 400; line-height: 1.06;
  color: var(--white); margin-bottom: 2rem;
}
.hero-title em { font-style: italic; color: var(--flame); }
.line-wrap { display: block; overflow: hidden; }
.line-inner { display: inline-block; transform: translateY(110%); }
.hero-sub {
  font-size: clamp(0.95rem, 1.4vw, 1.08rem);
  color: var(--text-muted);
  max-width: 500px; margin: 0 auto 2.5rem; line-height: 1.75;
  opacity: 0;
}
.hero-actions {
  display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap;
  opacity: 0;
}
.hero-scroll {
  position: absolute; bottom: 2rem; left: 50%;
  transform: translateX(-50%); z-index: 2;
  display: flex; flex-direction: column;
  align-items: center; gap: 0.6rem; opacity: 0;
}
.hero-scroll-text {
  font-size: 0.65rem; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--text-muted); font-weight: 500;
}
.hero-scroll-line {
  width: 1px; height: 40px;
  position: relative; overflow: hidden;
}
.hero-scroll-line::after {
  content: ""; position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: var(--flame);
  animation: scrollDrop 2s ease-in-out infinite;
}
@keyframes scrollDrop {
  0% { transform: translateY(-100%); }
  50% { transform: translateY(0); }
  100% { transform: translateY(100%); }
}

/* ================================
   INNER PAGE HERO
   ================================ */
.page-hero {
  position: relative;
  padding: clamp(10rem, 16vw, 14rem) 0 clamp(4rem, 8vw, 6rem);
  overflow: hidden;
}
.page-hero-canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 1;
}
.page-hero .container { position: relative; z-index: 2; pointer-events: none; }
.page-hero .container * { pointer-events: auto; }
.page-hero-bg {
  position: absolute; inset: 0;
  opacity: 0.5;
  pointer-events: none;
}
/* Variations per page */
[data-page="about"] .page-hero-bg {
  background: radial-gradient(ellipse 60% 50% at 30% 40%, rgba(232,167,53,0.06) 0%, transparent 70%);
}
[data-page="vision"] .page-hero-bg {
  background: radial-gradient(ellipse 50% 60% at 70% 30%, rgba(232,167,53,0.05) 0%, transparent 60%),
              radial-gradient(ellipse 40% 40% at 20% 70%, rgba(109,191,106,0.04) 0%, transparent 60%);
}
[data-page="robotics"] .page-hero-bg {
  background: radial-gradient(ellipse 50% 50% at 50% 50%, rgba(232,167,53,0.06) 0%, transparent 60%);
}
[data-page="cities"] .page-hero-bg {
  background: radial-gradient(ellipse 60% 50% at 60% 40%, rgba(109,191,106,0.06) 0%, transparent 60%);
}
[data-page="philosophy"] .page-hero-bg {
  background: radial-gradient(ellipse 70% 50% at 50% 50%, rgba(91,155,213,0.04) 0%, transparent 60%);
}
[data-page="contact"] .page-hero-bg {
  background: radial-gradient(ellipse 50% 50% at 40% 60%, rgba(232,167,53,0.05) 0%, transparent 60%);
}
.page-hero-label {
  display: block; font-size: 0.68rem;
  letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--flame); margin-bottom: 1.5rem; font-weight: 500;
}
.page-hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 400; line-height: 1.1;
  color: var(--white); margin-bottom: 1.5rem;
  max-width: 700px;
}
.page-hero-title em { font-style: italic; color: var(--flame); }
.page-hero-desc {
  font-size: clamp(0.95rem, 1.3vw, 1.1rem);
  color: var(--text-muted); line-height: 1.8;
  max-width: 560px;
}
.page-hero--center { text-align: center; }
.page-hero--center .page-hero-title,
.page-hero--center .page-hero-desc { margin-left: auto; margin-right: auto; }

/* ================================
   MARQUEE
   ================================ */
.marquee {
  padding: 1.15rem 0;
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  overflow: hidden; white-space: nowrap;
}
.marquee-inner { display: flex; width: max-content; }
.marquee-track {
  display: flex; align-items: center; gap: 2.5rem;
  animation: marqueeScroll 28s linear infinite;
}
.marquee-track span {
  font-size: 0.72rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--text-dim); flex-shrink: 0;
}
.marquee-sep { color: var(--flame) !important; font-weight: 300; }
@keyframes marqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ================================
   SECTIONS (shared)
   ================================ */
.section {
  padding: clamp(6rem, 12vw, 10rem) 0;
  position: relative;
}
.section--sm { padding: clamp(4rem, 8vw, 6rem) 0; }
.section-header { margin-bottom: clamp(3rem, 6vw, 4.5rem); }
.section-header--center {
  text-align: center;
  max-width: 680px; margin-left: auto; margin-right: auto;
}
.section-label {
  display: block; font-size: 0.68rem;
  letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--flame); margin-bottom: 1.25rem; font-weight: 500;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4.2vw, 3.25rem);
  font-weight: 400; line-height: 1.15; color: var(--white);
}
.section-title--huge {
  font-size: clamp(2.8rem, 7vw, 5.5rem); line-height: 1.0;
}
.section-subtitle {
  font-size: 1rem; color: var(--text-muted);
  line-height: 1.75; margin-top: 1.25rem;
}
.section-body {
  font-size: 1rem; color: var(--text-muted);
  line-height: 1.75; max-width: 440px; margin-top: 1.25rem;
}
.section--alt { background: var(--bg-alt); }
.section--border-t { border-top: 1px solid var(--border); }
.section--border-b { border-bottom: 1px solid var(--border); }

/* ================================
   PREVIEW CARDS (Home page)
   ================================ */
.preview-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem;
}
.preview-card {
  position: relative; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 2.5rem 2rem; overflow: hidden;
  transition: border-color 0.4s, transform 0.5s var(--ease);
  display: flex; flex-direction: column; min-height: 320px;
  text-decoration: none;
}
.preview-card:hover { border-color: var(--border-hover); transform: translateY(-4px); }
.preview-card-glow {
  position: absolute; width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(232,167,53,0.08) 0%, transparent 70%);
  border-radius: 50%; pointer-events: none; opacity: 0;
  transition: opacity 0.3s; transform: translate(-50%, -50%);
}
.preview-card:hover .preview-card-glow { opacity: 1; }
.preview-card-num {
  font-family: var(--font-display); font-size: 3.5rem;
  font-weight: 300; color: rgba(255,255,255,0.03);
  line-height: 1; margin-bottom: 1.5rem;
  transition: color 0.5s;
}
.preview-card:hover .preview-card-num { color: rgba(232,167,53,0.08); }
.preview-card h3 {
  font-size: 1.15rem; font-weight: 600;
  color: var(--white); margin-bottom: 0.75rem;
}
.preview-card p {
  font-size: 0.9rem; color: var(--text-muted); line-height: 1.65;
  flex: 1;
}
.preview-card-arrow {
  display: flex; align-items: center; gap: 0.5rem;
  margin-top: 1.5rem;
  font-size: 0.78rem; font-weight: 500;
  color: var(--flame); letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: gap 0.3s var(--ease);
}
.preview-card:hover .preview-card-arrow { gap: 0.85rem; }
.preview-card-line {
  position: absolute; bottom: 0; left: 0;
  width: 0; height: 2px;
  background: linear-gradient(90deg, var(--flame), var(--ember));
  transition: width 0.6s var(--ease);
}
.preview-card:hover .preview-card-line { width: 100%; }

/* Green glow variant for cities card */
.preview-card--green .preview-card-glow {
  background: radial-gradient(circle, rgba(109,191,106,0.08) 0%, transparent 70%);
}
.preview-card--green:hover .preview-card-num { color: rgba(109,191,106,0.08); }
.preview-card--green .preview-card-arrow { color: var(--leaf); }
.preview-card--green .preview-card-line {
  background: linear-gradient(90deg, var(--leaf), rgba(109,191,106,0.3));
}

/* ================================
   VISION CARDS
   ================================ */
.vision-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem;
}
.vision-card {
  position: relative; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; cursor: pointer;
  transition: border-color 0.4s, transform 0.5s var(--ease);
}
.vision-card:hover { border-color: var(--border-hover); }
.vision-card-glow {
  position: absolute; width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(232,167,53,0.1) 0%, transparent 70%);
  border-radius: 50%; pointer-events: none; opacity: 0;
  transition: opacity 0.3s; transform: translate(-50%, -50%);
}
.vision-card:hover .vision-card-glow { opacity: 1; }
.vision-card-content {
  position: relative; z-index: 1; padding: 2.25rem 1.75rem;
}
.vision-card-number {
  font-family: var(--font-display); font-size: 3rem;
  font-weight: 300; color: rgba(255,255,255,0.04);
  line-height: 1; margin-bottom: 1.25rem;
  transition: color 0.5s;
}
.vision-card:hover .vision-card-number { color: rgba(232,167,53,0.1); }
.vision-card h3 {
  font-size: 1.05rem; font-weight: 600;
  color: var(--white); margin-bottom: 0.6rem;
}
.vision-card p {
  font-size: 0.9rem; color: var(--text-muted); line-height: 1.65;
}
.vision-card-line {
  position: absolute; bottom: 0; left: 0;
  width: 0; height: 2px;
  background: linear-gradient(90deg, var(--flame), var(--ember));
  transition: width 0.6s var(--ease);
}
.vision-card:hover .vision-card-line { width: 100%; }

/* ================================
   ABOUT — Prometheus Animation
   ================================ */
.about-layout {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: center;
}
.about-body {
  font-size: 1rem; color: var(--text);
  line-height: 1.75; margin-top: 1.25rem;
}
.about-body--accent {
  color: var(--flame-light); font-style: italic;
  font-family: var(--font-display); font-size: 1.05rem;
}

/* Prometheus SVG Scene */
.prometheus-scene {
  position: relative; aspect-ratio: 4/5;
  max-width: 400px; margin: 0 auto;
  cursor: grab; user-select: none;
  -webkit-user-select: none; touch-action: none;
}
.prometheus-scene:active,
.prometheus-scene.dragging { cursor: grabbing; }
.prometheus-svg { width: 100%; height: 100%; pointer-events: all; }

.prom-hint {
  position: absolute; bottom: 2rem; left: 50%;
  transform: translateX(-50%);
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.68rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--text-dim);
  opacity: 0.7; transition: opacity 0.4s;
  pointer-events: none; z-index: 2; white-space: nowrap;
}
.prom-hint svg { opacity: 0.5; }
.prometheus-scene.dragging .prom-hint,
.prometheus-scene.interacted .prom-hint { opacity: 0; }
.prom-figure { cursor: grab; }
.prom-figure line, .prom-figure circle {
  transition: stroke 0.25s, stroke-width 0.25s;
}
.prometheus-scene.dragging .prom-figure line {
  stroke: var(--flame-light); stroke-width: 2;
}
.prometheus-scene.dragging .prom-figure circle {
  stroke: var(--flame-light); fill: rgba(232,167,53,0.15);
}
.prometheus-scene.dragging #promBoulder circle:first-child {
  filter: drop-shadow(0 0 10px rgba(232,167,53,0.4));
}
.spark { animation: sparkFloat 2s ease-in-out infinite; }
.spark-1 { animation-delay: 0s; animation-duration: 1.8s; --sx: -12px; --sy: -35px; }
.spark-2 { animation-delay: 0.3s; animation-duration: 2.2s; --sx: 18px; --sy: -28px; }
.spark-3 { animation-delay: 0.6s; animation-duration: 1.6s; --sx: -8px; --sy: -42px; }
.spark-4 { animation-delay: 0.1s; animation-duration: 2.5s; --sx: 22px; --sy: -20px; }
.spark-5 { animation-delay: 0.8s; animation-duration: 1.9s; --sx: -15px; --sy: -25px; }
.spark-6 { animation-delay: 0.4s; animation-duration: 2.1s; --sx: 10px; --sy: -38px; }
.spark-7 { animation-delay: 0.7s; animation-duration: 2.4s; --sx: -20px; --sy: -32px; }
.spark-8 { animation-delay: 0.2s; animation-duration: 1.7s; --sx: 14px; --sy: -40px; }
@keyframes sparkFloat {
  0% { transform: translate(0, 0); opacity: 0.8; }
  50% { opacity: 1; }
  100% { transform: translate(var(--sx, 15px), var(--sy, -30px)); opacity: 0; }
}

.prom-progress {
  position: absolute; bottom: 0; left: 50%;
  transform: translateX(-50%);
  display: flex; align-items: center; gap: 0.75rem;
}
.prom-progress-fill {
  width: 60px; height: 3px;
  background: var(--surface-2); border-radius: 2px;
  overflow: hidden; position: relative;
}
.prom-progress-fill::after {
  content: ""; position: absolute; inset: 0;
  width: var(--fill, 0%);
  background: var(--flame); border-radius: 2px;
  transition: width 0.15s;
}
.prom-progress-label {
  font-size: 0.65rem; color: var(--text-dim);
  font-weight: 500; letter-spacing: 0.05em; min-width: 2rem;
}

/* ================================
   STATS
   ================================ */
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 2rem; text-align: center;
}
.stat { cursor: pointer; transition: transform 0.35s var(--ease); }
.stat:active { transform: scale(0.97); }
.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 300; color: var(--white);
  line-height: 1; margin-bottom: 0.5rem;
}
.stat-label {
  font-size: 0.85rem; font-weight: 600;
  color: var(--flame); letter-spacing: 0.05em;
  margin-bottom: 0.35rem;
}
.stat-desc {
  font-size: 0.8rem; color: var(--text-dim); line-height: 1.5;
}

/* ================================
   FEATURE CARDS (Robotics, etc.)
   ================================ */
.feature-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem;
}
.feature-card {
  position: relative; background: var(--surface);
  border: 1px solid var(--border); border-radius: 20px;
  padding: 2.75rem; overflow: hidden; cursor: pointer;
  transition: border-color 0.4s, transform 0.5s var(--ease);
}
.feature-card:hover { border-color: var(--border-hover); }
.feature-card:active { transform: scale(0.98); }
.feature-card-glow {
  position: absolute; width: 350px; height: 350px;
  background: radial-gradient(circle, rgba(232,167,53,0.08) 0%, transparent 70%);
  border-radius: 50%; pointer-events: none; opacity: 0;
  transition: opacity 0.3s; transform: translate(-50%, -50%);
}
.feature-card:hover .feature-card-glow { opacity: 1; }
.feature-num {
  font-family: var(--font-display); font-size: 0.82rem;
  color: var(--flame); display: block; margin-bottom: 1.25rem;
}
.feature-card h3 {
  font-size: 1.35rem; font-weight: 600;
  color: var(--white); margin-bottom: 0.85rem;
  font-family: var(--font-display);
}
.feature-card p {
  font-size: 0.95rem; color: var(--text-muted); line-height: 1.7;
}

/* Horizontal scroll variant (home page) */
.horizontal-section { overflow: hidden; position: relative; }
.horizontal-track { display: flex; width: max-content; }
.horizontal-panel {
  width: 100vw; height: 100vh; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  padding: 2rem;
}
.horizontal-panel--intro { background: var(--bg-alt); }
.horizontal-panel--feature { background: var(--bg); }

/* ================================
   CITY CARDS
   ================================ */
.cities-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem;
}
.city-card {
  position: relative; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 2.5rem 1.75rem; text-align: center;
  overflow: hidden; cursor: pointer;
  transition: border-color 0.4s, transform 0.5s var(--ease);
}
.city-card:hover { border-color: var(--border-hover); }
.city-card:active { transform: scale(0.97); }
.city-card-glow {
  position: absolute; width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(109,191,106,0.08) 0%, transparent 70%);
  border-radius: 50%; pointer-events: none; opacity: 0;
  transition: opacity 0.3s; transform: translate(-50%, -50%);
}
.city-card:hover .city-card-glow { opacity: 1; }
.city-card-icon {
  width: 52px; height: 52px; margin: 0 auto 1.25rem;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%; background: var(--leaf-muted);
  color: var(--leaf);
  transition: all 0.4s var(--ease); position: relative; z-index: 1;
}
.city-card:hover .city-card-icon {
  background: var(--leaf); color: var(--black); transform: scale(1.1);
}
.city-card h3 {
  font-size: 1.05rem; font-weight: 600;
  color: var(--white); margin-bottom: 0.6rem;
  position: relative; z-index: 1;
}
.city-card p {
  font-size: 0.88rem; color: var(--text-muted); line-height: 1.65;
  position: relative; z-index: 1;
}

/* ================================
   PHILOSOPHY / MANIFESTO
   ================================ */
.philosophy-bg {
  position: absolute; inset: -20% 0;
  background: radial-gradient(ellipse 55% 45% at 50% 50%, rgba(232,167,53,0.04) 0%, transparent 70%);
  pointer-events: none;
}
.philosophy-block { max-width: 780px; position: relative; overflow: hidden; }
.philosophy-quote { margin: 0; padding: 0; border: none; }
.philosophy-quote p {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.6vw, 2rem);
  font-weight: 400; line-height: 1.5;
  color: var(--white); font-style: italic;
}
.philosophy-quote .word {
  display: inline-block; opacity: 0.12;
  transition: opacity 0.4s var(--ease);
}
.philosophy-quote .word.visible { opacity: 1; }
.philosophy-footer {
  display: flex; align-items: center; gap: 1.25rem; margin-top: 2.5rem;
}
.philosophy-line { width: 36px; height: 1px; background: var(--flame); }
.philosophy-footer span {
  font-size: 0.72rem; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--text-dim);
}

/* Manifesto sections (philosophy page) */
.manifesto-text {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.2vw, 1.7rem);
  font-weight: 400; line-height: 1.6;
  color: var(--white); font-style: italic;
  max-width: 720px; margin-bottom: 2rem;
}
.manifesto-text:last-child { margin-bottom: 0; }
.manifesto-text em { color: var(--flame); }

/* Standalone quote block */
.quote {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.5vw, 2rem);
  font-weight: 400; line-height: 1.5;
  color: var(--white); font-style: italic;
  border: none; margin: 0; padding: 0;
}
.quote .word {
  display: inline-block; opacity: 0.12;
  transition: opacity 0.4s var(--ease);
}
.quote .word.visible { opacity: 1; }

.principles-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.principle-card {
  background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 2rem 1.5rem;
  transition: border-color 0.4s, transform 0.4s var(--ease);
}
.principle-card:hover { border-color: var(--border-hover); transform: translateY(-3px); }
.principle-card-icon {
  width: 44px; height: 44px;
  margin-bottom: 1.25rem;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%; color: var(--flame);
  background: rgba(232,167,53,0.08);
}
.principle-card h3 {
  font-size: 1rem; font-weight: 600;
  color: var(--white); margin-bottom: 0.5rem;
}
.principle-card p {
  font-size: 0.88rem; color: var(--text-muted); line-height: 1.65;
}

/* ================================
   TEAM SECTION
   ================================ */
.team-grid {
  max-width: 800px;
  margin: 0 auto 4rem;
}
.team-member {
  text-align: center;
  padding: 3rem 2rem;
}
.team-member-photo {
  margin: 0 auto 2rem;
  width: 160px;
  height: 160px;
  position: relative;
}
.team-avatar {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--card-bg) 0%, rgba(232,167,53,0.08) 100%);
  border: 2px solid rgba(232,167,53,0.2);
  position: relative;
  overflow: hidden;
}
.team-avatar::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(232,167,53,0.2), transparent 70%);
  opacity: 0.6;
}
.team-member-name {
  font-size: clamp(1.5rem, 2.5vw, 1.8rem);
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}
.team-member-role {
  font-size: 0.95rem;
  color: var(--flame);
  font-weight: 500;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.team-member-bio {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-body);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.team-member-quote {
  background: rgba(232,167,53,0.04);
  border-left: 3px solid var(--flame);
  padding: 1.5rem 2rem;
  border-radius: 0.5rem;
  margin-top: 2rem;
  text-align: left;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.team-member-quote svg {
  display: block;
  margin-bottom: 0.75rem;
  color: var(--flame);
}
.team-member-quote p {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-body);
  font-style: italic;
  margin: 0;
}
.team-cta {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  padding: 3rem 2rem;
  background: linear-gradient(135deg, rgba(232,167,53,0.03) 0%, transparent 100%);
  border-radius: 1rem;
  border: 1px solid rgba(232,167,53,0.1);
}
.team-cta h3 {
  font-size: clamp(1.5rem, 2.5vw, 1.8rem);
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-main);
}
.team-cta p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-body);
  margin-bottom: 2rem;
}
.team-cta .btn {
  margin-top: 0.5rem;
}

/* ================================
   PROJECTS / CASE STUDIES
   ================================ */
.project {
  margin-bottom: 6rem;
}
.project-header {
  text-align: center;
  margin-bottom: 3rem;
}
.project-label {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--flame);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}
.project-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}
.project-title em {
  font-style: italic;
  color: var(--flame);
}
.project-meta {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
}
.project-meta-item {
  font-size: 0.9rem;
  color: var(--text-muted);
}
.project-meta-item strong {
  color: var(--text-main);
  font-weight: 500;
}
.project-hero-img {
  height: clamp(300px, 40vw, 450px);
  border-radius: 1rem;
  overflow: hidden;
  margin-bottom: 3rem;
  position: relative;
}
.project-content {
  max-width: 900px;
  margin: 0 auto;
}
.project-section {
  margin-bottom: 3rem;
}
.project-section h3 {
  font-size: clamp(1.5rem, 2.5vw, 1.8rem);
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--text-main);
}
.project-section p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-body);
  margin-bottom: 1.25rem;
}
.project-specs {
  display: grid;
  gap: 1.5rem;
}
.spec-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  padding: 1.25rem;
  background: rgba(232,167,53,0.03);
  border-left: 3px solid var(--flame);
  border-radius: 0.5rem;
}
.spec-label {
  font-weight: 600;
  color: var(--flame);
  white-space: nowrap;
  font-size: 0.95rem;
}
.spec-value {
  text-align: right;
  color: var(--text-body);
  font-size: 0.95rem;
}
.milestones {
  display: grid;
  gap: 2rem;
}
.milestone {
  position: relative;
  padding-left: 3rem;
}
.milestone::before {
  content: '';
  position: absolute;
  left: 0.75rem;
  top: 3rem;
  bottom: -2rem;
  width: 2px;
  background: linear-gradient(to bottom, rgba(232,167,53,0.3), transparent);
}
.milestone:last-child::before {
  display: none;
}
.milestone-num {
  position: absolute;
  left: 0;
  top: 0;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--flame);
  color: var(--bg-main);
  font-size: 0.7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.milestone h4 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}
.milestone p {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-body);
  margin: 0;
}
.feature-list {
  display: grid;
  gap: 1.5rem;
}
.feature-list-item {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}
.feature-icon {
  font-size: 2rem;
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(232,167,53,0.08);
  border-radius: 0.75rem;
}
.feature-list-item h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}
.feature-list-item p {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-body);
  margin: 0;
}
.use-case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}
.use-case {
  padding: 1.5rem;
  background: rgba(232,167,53,0.03);
  border-radius: 0.75rem;
  border: 1px solid rgba(232,167,53,0.1);
}
.use-case h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-main);
}
.use-case p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-body);
  margin: 0;
}
.img-atmosphere--green {
  background: 
    radial-gradient(circle at 20% 30%, rgba(109,191,106,0.15), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(91,155,213,0.1), transparent 50%),
    linear-gradient(135deg, var(--bg-main) 0%, rgba(109,191,106,0.05) 100%);
}
.img-atmosphere--sky {
  background: 
    radial-gradient(circle at 50% 30%, rgba(91,155,213,0.15), transparent 50%),
    radial-gradient(circle at 30% 70%, rgba(232,167,53,0.08), transparent 50%),
    linear-gradient(135deg, var(--bg-main) 0%, rgba(91,155,213,0.05) 100%);
}

/* ================================
   404 ERROR PAGE
   ================================ */
.error-section {
  min-height: 80vh;
  display: flex;
  align-items: center;
  padding: 4rem 0;
  position: relative;
  overflow: hidden;
}
.error-content {
  text-align: center;
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
}
.error-number {
  font-size: clamp(6rem, 20vw, 12rem);
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 2px rgba(232,167,53,0.3);
  text-stroke: 2px rgba(232,167,53,0.3);
  margin-bottom: 1rem;
}
.error-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}
.error-title em {
  font-style: italic;
  color: var(--flame);
}
.error-desc {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--text-body);
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.error-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 4rem;
}
.error-suggestions {
  padding-top: 3rem;
  border-top: 1px solid var(--border);
}
.error-suggestions h3 {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}
.error-links {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}
.error-link {
  padding: 0.5rem 1rem;
  background: rgba(232,167,53,0.05);
  border-radius: 2rem;
  border: 1px solid rgba(232,167,53,0.15);
  color: var(--text-main);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s var(--ease);
}
.error-link:hover {
  background: rgba(232,167,53,0.1);
  border-color: var(--flame);
  color: var(--flame);
  transform: translateY(-2px);
}
.error-decoration {
  position: absolute;
  right: -10%;
  bottom: 10%;
  width: 300px;
  height: 400px;
  opacity: 0.15;
  pointer-events: none;
  z-index: 0;
}
.error-flame {
  width: 100%;
  height: 100%;
}
@media (max-width: 768px) {
  .error-decoration {
    width: 200px;
    height: 300px;
    right: -20%;
  }
}

/* ================================
   LEGAL / PRIVACY PAGE
   ================================ */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-body);
}
.legal-content h2 {
  font-size: clamp(1.5rem, 2.5vw, 1.8rem);
  font-weight: 600;
  margin-top: 3rem;
  margin-bottom: 1.25rem;
  color: var(--text-main);
}
.legal-content h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--text-main);
}
.legal-content p {
  margin-bottom: 1.25rem;
}
.legal-content ul {
  list-style: disc;
  margin-left: 1.5rem;
  margin-bottom: 1.5rem;
}
.legal-content li {
  margin-bottom: 0.75rem;
  padding-left: 0.5rem;
}
.legal-content a {
  color: var(--flame);
  text-decoration: underline;
  transition: color 0.3s;
}
.legal-content a:hover {
  color: var(--flame-light);
}
.legal-content strong {
  color: var(--text-main);
  font-weight: 600;
}
.legal-meta {
  background: rgba(232,167,53,0.04);
  padding: 1.5rem;
  border-radius: 0.5rem;
  border-left: 3px solid var(--flame);
  margin-bottom: 3rem;
}
.legal-meta p {
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}
.legal-meta p:last-child {
  margin-bottom: 0;
}
.contact-block {
  background: rgba(232,167,53,0.04);
  padding: 1.5rem;
  border-radius: 0.5rem;
  margin: 2rem 0;
}
.contact-block p {
  margin-bottom: 0.75rem;
}
.contact-block p:last-child {
  margin-bottom: 0;
}
.legal-footer {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text-muted);
  font-style: italic;
}

/* ================================
   INSIGHTS / BLOG
   ================================ */
.articles-grid {
  display: grid;
  gap: 3rem;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .article-card--featured {
    grid-column: 1 / -1;
  }
}
.article-card {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: relative;
}
.article-card--featured {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 1024px) {
  .article-card--featured {
    grid-template-columns: 1.2fr 1fr;
  }
}
.article-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: var(--flame);
  color: var(--bg-main);
  padding: 0.4rem 0.85rem;
  border-radius: 2rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  z-index: 1;
}
.article-image {
  width: 100%;
  height: 400px;
  border-radius: 0.75rem;
  overflow: hidden;
  position: relative;
}
.article-image--small {
  height: 240px;
}
.article-content {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.article-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.article-category {
  color: var(--flame);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.article-date {
  color: var(--text-dim);
}
.article-title {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 600;
  line-height: 1.3;
  margin: 0;
}
.article-card--featured .article-title {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
}
.article-title a {
  color: var(--text-main);
  transition: color 0.3s;
}
.article-title a:hover {
  color: var(--flame);
}
.article-excerpt {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-body);
  margin: 0;
}
.article-link {
  color: var(--flame);
  font-weight: 500;
  font-size: 0.9rem;
  transition: transform 0.3s, color 0.3s;
  display: inline-block;
}
.article-link:hover {
  transform: translateX(4px);
  color: var(--flame-light);
}
.newsletter-cta {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  padding: 3rem 2rem;
  background: linear-gradient(135deg, rgba(232,167,53,0.04) 0%, transparent 100%);
  border-radius: 1rem;
  border: 1px solid rgba(232,167,53,0.15);
}
.newsletter-cta h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-main);
}
.newsletter-cta p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-body);
  margin-bottom: 2rem;
}
.newsletter-form {
  display: flex;
  gap: 0.75rem;
  max-width: 500px;
  margin: 0 auto 1rem;
  flex-wrap: wrap;
  justify-content: center;
}
.newsletter-input {
  flex: 1;
  min-width: 250px;
  padding: 0.9rem 1.25rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-main);
  font-size: 0.95rem;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.newsletter-input:focus {
  outline: none;
  border-color: var(--flame);
  box-shadow: 0 0 0 3px rgba(232,167,53,0.1);
}
.newsletter-note {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin: 0;
}

/* ================================
   TIMELINE (About page)
   ================================ */
.timeline { position: relative; padding-left: 2.5rem; }
.timeline::before {
  content: ""; position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 1px; background: var(--border);
}
.timeline-item {
  position: relative; padding-bottom: 3rem;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: ""; position: absolute;
  left: -2.5rem; top: 0.35rem;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--flame);
  box-shadow: 0 0 0 4px var(--bg);
}
.timeline-item-year {
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--flame); margin-bottom: 0.5rem;
}
.timeline-item h3 {
  font-size: 1.1rem; font-weight: 600;
  color: var(--white); margin-bottom: 0.4rem;
}
.timeline-item p {
  font-size: 0.9rem; color: var(--text-muted); line-height: 1.65;
}

/* ================================
   INSPIRATION CARDS (Robotics page)
   ================================ */
.inspiration-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem;
}
.inspiration-card {
  background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 2.5rem 2rem; text-align: center;
  transition: border-color 0.4s, transform 0.4s var(--ease);
  cursor: pointer;
}
.inspiration-card:hover { border-color: var(--border-hover); transform: translateY(-4px); }
.inspiration-card-emoji {
  font-size: 2.5rem; margin-bottom: 1rem;
  display: block;
}
.inspiration-card h3 {
  font-size: 1.1rem; font-weight: 600;
  color: var(--white); margin-bottom: 0.4rem;
}
.inspiration-card-source {
  font-size: 0.78rem; color: var(--flame);
  margin-bottom: 0.75rem; font-style: italic;
}
.inspiration-card p {
  font-size: 0.88rem; color: var(--text-muted); line-height: 1.6;
}

/* ================================
   PROCESS STEPS
   ================================ */
.process-steps, .process-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem;
}
.process-step {
  position: relative; padding-top: 2.5rem;
}
.process-step-num {
  position: absolute; top: 0; left: 0;
  font-family: var(--font-display);
  font-size: 0.78rem; color: var(--flame);
  font-weight: 500;
}
.process-step::after {
  content: ""; position: absolute;
  top: 1.1rem; left: 2rem; right: -1.5rem;
  height: 1px; background: var(--border);
}
.process-step:last-child::after { display: none; }
.process-step h3, .process-step h4 {
  font-size: 0.95rem; font-weight: 600;
  color: var(--white); margin-bottom: 0.4rem;
}
.process-step p {
  font-size: 0.85rem; color: var(--text-muted); line-height: 1.6;
}

/* ================================
   IMAGE PLACEHOLDERS (atmospheric gradients)
   ================================ */
.img-atmosphere {
  border-radius: var(--radius);
  overflow: hidden; position: relative;
  aspect-ratio: 16/9;
}
.img-atmosphere--tall { aspect-ratio: 3/4; }
.img-atmosphere--square { aspect-ratio: 1/1; }
.img-atmosphere-inner {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
}
.img-atmosphere--fire .img-atmosphere-inner {
  background: linear-gradient(135deg, #1a1209 0%, #2a1a0a 30%, #0e0e12 100%);
}
.img-atmosphere--nature .img-atmosphere-inner {
  background: linear-gradient(135deg, #0d1a0f 0%, #0a1a15 30%, #0e0e12 100%);
}
.img-atmosphere--cosmic .img-atmosphere-inner {
  background: linear-gradient(135deg, #0d0f1a 0%, #0a0e1a 30%, #0e0e12 100%);
}
.img-atmosphere-text {
  font-size: 0.68rem; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--text-dim);
}

/* Split layout */
.split-layout {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: center;
}
.split-layout--reverse { direction: rtl; }
.split-layout--reverse > * { direction: ltr; }

/* Content blocks */
.content-block { max-width: 520px; }
.content-block h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 400; line-height: 1.2;
  color: var(--white); margin-bottom: 1.25rem;
}
.content-block h2 em { font-style: italic; color: var(--flame); }
.content-block p {
  font-size: 0.95rem; color: var(--text-muted);
  line-height: 1.75; margin-bottom: 1rem;
}
.content-block p:last-child { margin-bottom: 0; }

/* ================================
   CONTACT FORM
   ================================ */
.contact-layout {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 6rem);
}
.contact-form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-group { position: relative; }
.form-label {
  display: block; font-size: 0.78rem; font-weight: 500;
  color: var(--text-muted); margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}
.form-input, .form-textarea {
  width: 100%; font-family: var(--font);
  font-size: 0.95rem; color: var(--white);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1.25rem;
  transition: border-color 0.3s, box-shadow 0.3s;
  outline: none;
}
.form-input:focus, .form-textarea:focus {
  border-color: var(--flame);
  box-shadow: 0 0 0 3px rgba(232,167,53,0.1);
}
.form-input::placeholder, .form-textarea::placeholder {
  color: var(--text-dim);
}
.form-status {
  margin: 1rem 0;
  padding: 1rem 1.5rem;
  border-radius: 0.5rem;
  font-size: 0.95rem;
  font-weight: 500;
}
.form-status.success {
  background: rgba(109,191,106,0.1);
  border: 1px solid var(--green);
  color: var(--green);
}
.form-status.error {
  background: rgba(232,89,70,0.1);
  border: 1px solid #e85946;
  color: #e85946;
}
.form-textarea { resize: vertical; min-height: 140px; }
.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23757069' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1.25rem center;
  padding-right: 2.5rem;
}

.contact-info { display: flex; flex-direction: column; gap: 2.5rem; }
.contact-info-item h4 {
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: 0.5rem;
}
.contact-info-item p, .contact-info-item a {
  font-size: 1rem; color: var(--white); line-height: 1.6;
}
.contact-info-item a { transition: color 0.3s; }
.contact-info-item a:hover { color: var(--flame); }

/* CTA Banner */
.cta-banner {
  text-align: center;
  max-width: 680px; margin: 0 auto;
}
.cta-banner-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 400; line-height: 1.1;
  color: var(--white); margin-bottom: 1.25rem;
}
.cta-banner-title em { font-style: italic; color: var(--flame); }
.cta-banner p {
  font-size: 1rem; color: var(--text-muted);
  line-height: 1.75; margin-bottom: 2.5rem;
}
.cta-banner-actions {
  display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap;
}

/* ================================
   FOOTER
   ================================ */
.footer {
  border-top: 1px solid var(--border); padding: 4rem 0 3rem;
}
.footer-top {
  display: flex; justify-content: space-between;
  margin-bottom: 3rem; gap: 3rem;
}
.footer-brand { display: flex; align-items: center; gap: 0.75rem; }
.footer-logo { width: 26px; height: 26px; object-fit: contain; }
.footer-name { font-weight: 500; color: var(--white); font-size: 0.92rem; }
.footer-nav { display: flex; gap: 4rem; }
.footer-col { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-col h4 {
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: 0.25rem;
}
.footer-col a {
  font-size: 0.85rem; color: var(--text-dim);
  transition: color 0.3s; padding: 0.2rem 0;
}
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  display: flex; justify-content: space-between;
  padding-top: 1.5rem; border-top: 1px solid var(--border);
}
.footer-bottom p { font-size: 0.75rem; color: var(--text-dim); }
.footer-tagline { font-style: italic; }

/* ================================
   CLICK PARTICLES
   ================================ */
.click-particle {
  position: absolute;
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--flame); pointer-events: none; z-index: 10;
  box-shadow: 0 0 6px var(--flame), 0 0 12px rgba(232,167,53,0.4);
}

/* ================================
   DIVIDER
   ================================ */
.divider {
  width: 100%; height: 1px;
  background: var(--border);
}

/* Separator with text */
.sep-text {
  display: flex; align-items: center; gap: 1.5rem;
  margin: clamp(3rem, 6vw, 5rem) 0;
  color: var(--text-dim);
  font-size: 0.68rem; letter-spacing: 0.2em; text-transform: uppercase;
}
.sep-text::before, .sep-text::after {
  content: ""; flex: 1; height: 1px; background: var(--border);
}

/* ================================
   RESPONSIVE
   ================================ */
@media (max-width: 1024px) {
  .vision-grid, .cities-grid, .principles-grid,
  .inspiration-grid { grid-template-columns: 1fr 1fr; }
  .preview-grid { grid-template-columns: 1fr 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .about-layout, .split-layout, .contact-layout { grid-template-columns: 1fr; }
  .split-layout--reverse { direction: ltr; }
  .prometheus-scene { max-width: 320px; }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .cursor { display: none !important; }
  body { cursor: auto; }
  a, button { cursor: pointer; }

  .nav-menu {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(11,11,15,0.97);
    backdrop-filter: blur(20px);
    display: flex; flex-direction: column;
    align-items: center; justify-content: center; gap: 1.75rem;
    opacity: 0; visibility: hidden;
    transition: all 0.4s var(--ease); z-index: 999;
  }
  .nav-menu.open { opacity: 1; visibility: visible; }
  .nav-menu .nav-link { font-size: 1.4rem; opacity: 0.8; }
  .nav-menu .nav-link--cta { font-size: 0.95rem; margin-top: 0.75rem; }
  .nav-burger { display: flex; z-index: 1001; }

  .vision-grid, .cities-grid, .principles-grid,
  .inspiration-grid, .preview-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .hero-title { font-size: clamp(2rem, 10vw, 3.25rem); }
  .process-steps { grid-template-columns: 1fr 1fr; }

  .horizontal-track { flex-direction: column; width: 100%; }
  .horizontal-panel {
    width: 100%; height: auto; min-height: auto;
    padding: clamp(4rem, 8vw, 6rem) 1.5rem;
  }

  .footer-top { flex-direction: column; gap: 2rem; }
  .footer-nav { gap: 3rem; }
  .footer-bottom { flex-direction: column; gap: 0.75rem; }
}

@media (max-width: 480px) {
  .stats-grid, .process-steps { grid-template-columns: 1fr; }
  .footer-nav { flex-direction: column; gap: 1.5rem; }
}