/* ============================================
   COAL NOVA — Landing Styles
   Industrial premium · dark · amber accents
   ============================================ */

:root {
  --bg: #0a0b0d;
  --bg-2: #111317;
  --bg-3: #16191e;
  --panel: #1a1d23;
  --panel-2: #20242b;
  --line: rgba(255,255,255,0.08);
  --line-strong: rgba(255,255,255,0.16);
  --text: #f4f5f7;
  --text-2: #aeb4bf;
  --text-3: #6b7280;
  --amber: #ff8a1e;
  --amber-2: #ffb347;
  --amber-deep: #e06a0a;
  --ember: #ff5722;
  --gold: #f5c044;
  --teal: #2dd4bf;
  --green: #34d399;
  --red: #ef4444;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow: 0 24px 60px -20px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 60px -10px rgba(255,138,30,0.35);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --container: 1240px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Manrope', sans-serif;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
/* Fixed background texture layer — dark industrial pattern that shows through every section */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image: url('assets/ai-texture.webp');
  background-position: center center;
  background-repeat: no-repeat;
  background-size: cover;
  pointer-events: none;
}
/* Soft darkening overlay above the texture for legibility, still letting texture show */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse at 70% 30%, rgba(255,138,30,0.08) 0%, transparent 55%),
    linear-gradient(180deg, rgba(10,11,13,0.7) 0%, rgba(10,11,13,0.5) 50%, rgba(10,11,13,0.75) 100%);
  pointer-events: none;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.1; letter-spacing: -0.02em; }

.accent {
  background: linear-gradient(135deg, var(--amber-2) 0%, var(--amber) 50%, var(--ember) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
/* Premium gold gradient text (lemon → gold → orange) */
.gold-text {
  background: linear-gradient(120deg, #fff5b8 0%, #f5c044 45%, #ff8a1e 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: #f5c044;
  text-shadow: 0 4px 24px rgba(255,138,30,0.25);
}

/* ============ SCROLL PROGRESS ============ */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--amber-deep), var(--amber-2));
  z-index: 1000;
  transition: width 0.1s linear;
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 28px;
  border-radius: 100px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  white-space: nowrap;
}
.btn--primary {
  background: linear-gradient(135deg, var(--amber) 0%, var(--amber-deep) 100%);
  color: #fff;
  box-shadow: 0 10px 30px -8px rgba(255,138,30,0.5);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px -8px rgba(255,138,30,0.65);
}
.btn--ghost {
  border: 1px solid var(--line-strong);
  color: var(--text);
}
.btn--ghost:hover { border-color: var(--amber); color: var(--amber-2); }
.btn--lg { padding: 18px 36px; font-size: 16px; }

/* ============ NAV ============ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: all 0.3s var(--ease);
}
.nav.scrolled {
  background: rgba(10,11,13,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 18px;
  letter-spacing: 0.08em;
}
.nav__brand strong { color: var(--amber-2); }
.nav__logo { width: 34px; height: 34px; border-radius: 8px; }
.nav__links {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.nav__links a {
  color: var(--text);
  transition: color 0.2s, opacity 0.2s;
}
.nav__links a:hover { color: var(--amber-2); }
.nav__cta {
  background: var(--amber);
  color: #fff !important;
  padding: 9px 18px;
  border-radius: 100px;
  font-weight: 600;
}
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav__burger span {
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}
.nav__burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  animation: heroZoom 20s ease-in-out infinite alternate;
}
@keyframes heroZoom {
  to { transform: scale(1.15); }
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 40%, rgba(255,138,30,0.22) 0%, transparent 55%),
    linear-gradient(180deg, rgba(10,11,13,0.55) 0%, rgba(10,11,13,0.45) 40%, rgba(10,11,13,0.92) 100%),
    linear-gradient(90deg, rgba(10,11,13,0.78) 0%, rgba(10,11,13,0.2) 60%, transparent 90%);
}
.hero__inner { position: relative; z-index: 2; }
.hero__content { max-width: 820px; }
.hero__eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--amber-2);
  padding: 8px 16px;
  border: 1px solid rgba(255,138,30,0.35);
  border-radius: 100px;
  background: rgba(255,138,30,0.08);
  margin-bottom: 28px;
}
.hero__title {
  font-size: clamp(48px, 8vw, 104px);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: -0.04em;
  margin-bottom: 28px;
}
.hero__lead {
  font-size: clamp(17px, 2vw, 21px);
  color: var(--text);
  max-width: 620px;
  margin-bottom: 48px;
  font-weight: 300;
}
.hero__metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 44px;
  padding: 28px;
  background: rgba(20,23,28,0.55);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}
.metric { text-align: center; min-width: 0; position: relative; }
.metric__num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 38px);
  font-weight: 700;
  color: var(--amber-2);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  white-space: nowrap;
  min-height: 1.1em;
}
.metric__label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-top: 4px;
}
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero__scroll {
  position: absolute;
  bottom: 40px; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--text-3);
  z-index: 2;
}
.hero__scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(180deg, var(--amber) 0%, transparent 100%);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ============ TICKER ============ */
.ticker {
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
  overflow: hidden;
  white-space: nowrap;
}
.ticker__track {
  display: inline-flex;
  align-items: center;
  gap: 28px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--text-3);
  animation: ticker 28s linear infinite;
}
.ticker__track span:nth-child(odd) { color: var(--text-2); }
.ticker__track span:nth-child(even) { color: var(--amber); }
@keyframes ticker {
  to { transform: translateX(-50%); }
}

/* ============ SECTIONS BASE ============ */
.section { padding: 50px 0; position: relative; }
.section__head { margin-bottom: 64px; max-width: 760px; }
.section__head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section__eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--amber-2);
  margin-bottom: 20px;
}
.section__title {
  font-size: clamp(36px, 5.5vw, 64px);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.section__lead {
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--text-2);
  font-weight: 300;
  max-width: 640px;
}
.section__head--center .section__lead { margin: 0 auto; }

/* ============ MARKET ============ */
.section--market { background: linear-gradient(180deg, rgba(10,11,13,0.55) 0%, rgba(17,19,23,0.55) 100%); }
.market__grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: stretch;
  margin-bottom: 32px;
}
.market__panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 40px;
  position: relative;
  overflow: hidden;
}
.market__panel::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
}
.market__panel--left::before { background: var(--red); }
.market__panel--right::before { background: var(--amber); }
.market__tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.2em;
  padding: 6px 12px;
  border-radius: 6px;
  margin-bottom: 20px;
  font-weight: 600;
}
.market__tag--red { background: rgba(239,68,68,0.15); color: #fca5a5; }
.market__tag--amber { background: rgba(255,138,30,0.15); color: var(--amber-2); }
.market__panel h3 { font-size: 24px; margin-bottom: 14px; }
.market__panel p { color: var(--text-2); margin-bottom: 28px; }
.market__bars { display: flex; flex-direction: column; gap: 16px; }
.bar__label { font-size: 12px; color: var(--text-3); letter-spacing: 0.06em; display: block; margin-bottom: 8px; }
.bar__track {
  height: 6px;
  background: rgba(255,255,255,0.06);
  border-radius: 3px;
  overflow: hidden;
}
.bar__fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--amber-deep), var(--amber-2));
  border-radius: 3px;
  transition: width 1.4s var(--ease);
}
.market__panel--left .bar__fill { background: linear-gradient(90deg, #b91c1c, var(--red)); }
.market__connector {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 8px;
}
.market__plus {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 300;
  color: var(--text-3);
  background: var(--bg);
  width: 56px; height: 56px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  display: flex;
  align-items: center;
  justify-content: center;
}
.market__conclusion {
  position: relative;
  background:
    linear-gradient(160deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0) 40%),
    linear-gradient(135deg, rgba(255,138,30,0.14) 0%, rgba(245,192,68,0.06) 50%, rgba(45,212,191,0.04) 100%),
    var(--panel);
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  padding: 12px 38px;
  display: flex;
  align-items: center;
  gap: 36px;
  overflow: hidden;
}
.market__conclusion::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg,
    rgba(255,200,90,0.55) 0%,
    rgba(255,138,30,0.3) 40%,
    rgba(255,255,255,0.06) 60%,
    rgba(45,212,191,0.18) 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
}
.market__icon {
  flex-shrink: 0;
  width: 130px;
  height: 130px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.market__icon img {
  width: 90px;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 8px 20px rgba(255,138,30,0.3));
}
.market__conclusion p {
  font-size: 19px;
  color: var(--text);
  line-height: 1.55;
  flex: 1;
}
.market__conclusion strong {
  display: block;
  margin-top: 6px;
  font-family: var(--font-display);
  font-weight: 600;
  background: linear-gradient(120deg, #fff5b8 0%, #f5c044 50%, #ff8a1e 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: #f5c044;
}

/* ============ SOLUTION ============ */
.section--solution { background: rgba(10,11,13,0.55); }
.solution__layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px;
  align-items: center;
}
.solution__stat {
  margin-top: 40px;
  padding: 28px;
  background: var(--panel);
  border-left: 3px solid var(--amber);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.solution__stat-num {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  color: var(--amber-2);
  margin-bottom: 8px;
}
.solution__stat-text { color: var(--text-2); font-size: 15px; }
.solution__stat-text strong { color: var(--text); }
.solution__visual { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); }
.solution__visual img { width: 100%; height: 100%; object-fit: cover; }
.solution__caption {
  position: absolute;
  bottom: 20px; left: 20px;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--amber-2);
  background: rgba(10,11,13,0.7);
  backdrop-filter: blur(8px);
  padding: 8px 14px;
  border-radius: 100px;
}

/* ============ TECHNOLOGY ============ */
.section--tech { background: rgba(17,19,23,0.55); }
.tech__infographic {
  margin: 0 auto 64px;
  max-width: 900px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.tech__infographic img { width: 100%; }
.tech__steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}
.step {
  position: relative;
  background:
    linear-gradient(160deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0) 40%),
    linear-gradient(150deg, rgba(255,138,30,0.10) 0%, rgba(245,192,68,0.04) 45%, rgba(45,212,191,0.03) 100%),
    var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  transition: all 0.3s var(--ease);
  overflow: hidden;
}
.step::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(140deg,
    rgba(255,200,90,0.45) 0%,
    rgba(255,138,30,0.2) 35%,
    rgba(255,255,255,0.05) 60%,
    rgba(45,212,191,0.15) 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
}
.step:hover {
  border-color: rgba(255,138,30,0.4);
  transform: translateY(-4px);
  box-shadow: 0 20px 50px -18px rgba(255,138,30,0.3);
}
.step__num {
  display: block;
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 18px;
  background: linear-gradient(135deg, #fff5b8 0%, #f5c044 45%, #ff8a1e 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: #f5c044;
  text-shadow: 0 4px 18px rgba(255,138,30,0.35);
  filter: drop-shadow(0 2px 8px rgba(255,138,30,0.25));
}
.step h4 { font-size: 18px; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--text-2); }
.tech__callout {
  text-align: center;
  padding: 28px 40px;
  background: linear-gradient(135deg, rgba(255,138,30,0.08), transparent);
  border: 1px solid rgba(255,138,30,0.2);
  border-radius: var(--radius-lg);
  font-size: 18px;
  color: var(--text-2);
}
.tech__callout strong { color: var(--text); }

/* ============ PRODUCTS ============ */
.section--products { background: rgba(10,11,13,0.55); }
.products__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.product {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  transition: all 0.3s var(--ease);
}
.product:hover { transform: translateY(-6px); border-color: var(--line-strong); box-shadow: var(--shadow); }
.product--featured {
  background: linear-gradient(160deg, rgba(255,138,30,0.12) 0%, var(--panel) 60%);
  border-color: rgba(255,138,30,0.35);
}
.product--energy {
  background: linear-gradient(160deg, rgba(255,87,34,0.1) 0%, var(--panel) 60%);
}
.product__badge {
  position: absolute;
  top: 20px; right: 20px;
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 0.2em;
  background: var(--amber);
  color: #fff;
  padding: 5px 10px;
  border-radius: 4px;
  font-weight: 600;
}
.product__icon {
  width: 100px;
  height: 100px;
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}
.product__icon img {
  width: 100px;
  height: 100px;
  object-fit: contain;
  filter: drop-shadow(0 8px 16px rgba(0,0,0,0.4));
  transition: transform 0.3s var(--ease);
}
.product:hover .product__icon img {
  transform: scale(1.08) translateY(-2px);
}
.product h3 {
  font-size: 22px;
  margin-bottom: 10px;
  background: linear-gradient(135deg, #fff7c4 0%, #f5d54a 55%, #e6c039 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: #f5d54a;
}
.product p { color: var(--text-2); font-size: 14px; margin-bottom: 24px; min-height: 42px; }
.product__spec {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-top: 1px solid var(--line);
  font-size: 13px;
}
.product__spec span { color: var(--text-3); letter-spacing: 0.05em; }
.product__spec strong { color: var(--text); font-family: var(--font-display); }

/* ============ ADVANTAGE ============ */
.section--advantage { background: rgba(17,19,23,0.55); }
.advantage__layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}
.advantage__list { display: flex; flex-direction: column; gap: 20px; }
.adv {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  padding: 28px;
  background:
    linear-gradient(135deg, rgba(255,138,30,0.08) 0%, rgba(255,138,30,0) 45%, rgba(45,212,191,0.04) 100%),
    linear-gradient(180deg, rgba(255,255,255,0.035) 0%, rgba(255,255,255,0) 60%),
    var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
  transition: all 0.3s var(--ease);
}
.adv::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--amber-2), transparent);
  opacity: 0.6;
  transition: opacity 0.3s;
}
.adv:hover {
  border-color: rgba(255,138,30,0.35);
  transform: translateY(-2px);
  box-shadow: 0 16px 40px -16px rgba(255,138,30,0.25);
}
.adv:hover::before { opacity: 1; }
.adv__num {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--amber-2);
  flex-shrink: 0;
  min-width: 110px;
}
.adv__body h4 { font-size: 18px; margin-bottom: 6px; }
.adv__body p { color: var(--text-2); font-size: 14px; }

/* ============ ECONOMICS ============ */
.section--economics { background: rgba(10,11,13,0.55); }
.econ__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}
.econ {
  position: relative;
  background:
    linear-gradient(160deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0) 40%),
    linear-gradient(150deg, rgba(255,138,30,0.10) 0%, rgba(245,192,68,0.04) 45%, rgba(45,212,191,0.03) 100%),
    var(--panel);
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  text-align: left;
  background-clip: padding-box;
  /* Gradient border via mask trick */
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
/* Gradient outline: an absolutely-positioned layer behind, slightly larger, with the gradient */
.econ::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(140deg,
    rgba(255,200,90,0.55) 0%,
    rgba(255,138,30,0.25) 35%,
    rgba(255,255,255,0.06) 60%,
    rgba(45,212,191,0.18) 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
}
.econ:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 50px -18px rgba(255,138,30,0.3);
}
.econ--accent {
  background:
    linear-gradient(160deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0) 40%),
    linear-gradient(150deg, rgba(255,138,30,0.22) 0%, rgba(245,192,68,0.10) 50%, rgba(255,138,30,0.04) 100%),
    var(--panel);
}
.econ--accent::before {
  background: linear-gradient(140deg,
    rgba(255,220,120,0.85) 0%,
    rgba(255,138,30,0.5) 40%,
    rgba(255,180,60,0.35) 100%);
}
.econ__num {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
  background: linear-gradient(120deg, #fff5b8 0%, #f5c044 40%, #ff8a1e 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: #f5c044;
}
.econ__label { color: var(--text-2); font-size: 14px; letter-spacing: 0.04em; }

.econ__split {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 60px;
  align-items: center;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 48px;
}
.econ__split-side h4 { font-size: 24px; margin-bottom: 28px; text-align: center; }
.donut {
  width: 240px; height: 240px;
  border-radius: 50%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  /* Rich layered conic gradient: red→amber separator stops for crisp segments, gold & amber gradients */
  background: conic-gradient(
    from -90deg,
    #ef4444 0% 25%,
    #f5c044 25% 30%,
    #ff8a1e 30% 100%
  );
  box-shadow:
    0 0 0 1px rgba(255,138,30,0.25),
    0 0 60px -10px rgba(255,138,30,0.5),
    0 20px 60px -20px rgba(0,0,0,0.7);
}
/* Soft inner glow ring */
.donut::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(
    from -90deg,
    rgba(255,255,255,0.25) 0% 25%,
    rgba(255,255,255,0.15) 25% 30%,
    rgba(255,200,90,0.12) 30% 100%
  );
  pointer-events: none;
}
.donut::before {
  content: '';
  position: absolute;
  inset: 52px;
  background:
    radial-gradient(circle at 50% 40%, rgba(255,138,30,0.08) 0%, transparent 60%),
    var(--panel);
  border-radius: 50%;
  box-shadow: inset 0 0 30px rgba(0,0,0,0.5);
}
.donut__center {
  position: relative;
  z-index: 2;
  text-align: center;
}
.donut__center strong {
  display: block;
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  background: linear-gradient(135deg, #fff5b8 0%, #f5c044 50%, #ff8a1e 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.donut__center span {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  letter-spacing: 0.25em;
  color: var(--text-3);
  text-transform: uppercase;
}
.econ__split-legend { display: flex; flex-direction: column; gap: 24px; }
.leg { display: flex; align-items: center; gap: 16px; font-size: 30px; color: var(--text-2); }
.leg strong {
  color: var(--text);
  font-family: var(--font-display);
  font-size: 32px;
  min-width: 100px;
  background: linear-gradient(120deg, #fff5b8 0%, #f5c044 50%, #ff8a1e 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.leg__dot { width: 22px; height: 22px; border-radius: 6px; flex-shrink: 0; }
.leg__dot--1 { background: linear-gradient(135deg, #ff6b6b, #ef4444); box-shadow: 0 4px 12px rgba(239,68,68,0.4); }
.leg__dot--2 { background: linear-gradient(135deg, #fbd34a, #f5c044); box-shadow: 0 4px 12px rgba(245,192,68,0.4); }
.leg__dot--3 { background: linear-gradient(135deg, #ffb347, #ff8a1e); box-shadow: 0 4px 12px rgba(255,138,30,0.4); }
.econ__note { margin-top: 16px; color: var(--text); font-size: 16px; line-height: 1.5; max-width: 560px; }

/* ============ TEAM ============ */
.section--team { background: rgba(17,19,23,0.55); }
.team__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  gap: 16px;
  margin-bottom: 40px;
}
.member {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all 0.3s var(--ease);
}
.member:hover { border-color: var(--line-strong); }
.member--lead { grid-row: span 2; display: flex; flex-direction: column; }
.member__avatar {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 20px;
  background: var(--bg-3);
}
.member__avatar--sm {
  width: 88px;
  aspect-ratio: 1;
  margin-bottom: 16px;
}
.member__avatar img { width: 100%; height: 100%; object-fit: cover; object-position: top center; }
.member h3 { font-size: 20px; margin-bottom: 6px; }
.member h4 { font-size: 16px; margin-bottom: 4px; }
.member__role {
  display: block;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--amber-2);
  margin-bottom: 14px;
}
.member p { font-size: 13px; color: var(--text-2); }
.member--small { padding: 22px; }
.member--small .member__role { margin-bottom: 0; }
.team__creds {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 0;
}
.cred {
  position: relative;
  text-align: center;
  padding: 36px 28px;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(160deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0) 40%),
    linear-gradient(150deg, rgba(255,138,30,0.10) 0%, rgba(245,192,68,0.04) 45%, rgba(45,212,191,0.03) 100%),
    var(--panel);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
/* Gradient outline via mask trick */
.cred::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(140deg,
    rgba(255,200,90,0.55) 0%,
    rgba(255,138,30,0.25) 35%,
    rgba(255,255,255,0.06) 60%,
    rgba(45,212,191,0.18) 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
}
.cred:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 50px -18px rgba(255,138,30,0.3);
}
.cred strong {
  display: block;
  font-family: var(--font-display);
  font-size: 28px;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
  background: linear-gradient(120deg, #fff5b8 0%, #f5c044 45%, #ff8a1e 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: #f5c044;
}
.cred span { font-size: 14px; color: var(--text-2); letter-spacing: 0.02em; }

/* ============ ECOLOGY ============ */
.section--eco { background: linear-gradient(180deg, rgba(10,11,13,0.55) 0%, rgba(13,20,16,0.55) 100%); }
.eco__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.eco__visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}
.eco__visual img { width: 100%; }
.eco__list { list-style: none; margin-top: 32px; }
.eco__list li {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  color: var(--text-2);
  font-size: 15px;
  position: relative;
  padding-left: 32px;
}
.eco__list li::before {
  content: '✓';
  position: absolute;
  left: 0; top: 14px;
  color: var(--green);
  font-weight: 700;
}
.eco__list strong { color: var(--text); }

/* ============ SCALE ============ */
.section--scale { background: rgba(17,19,23,0.55); }
.scale__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-bottom: 48px;
}
.scale__ladder { display: flex; flex-direction: column; gap: 16px; }
.scale__step {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  transition: all 0.3s var(--ease);
}
.scale__step:nth-child(1) { margin-left: 0%; opacity: 0.85; }
.scale__step:nth-child(2) { margin-left: 8%; }
.scale__step--top {
  margin-left: 16%;
  background: linear-gradient(135deg, rgba(255,138,30,0.15), var(--panel));
  border-color: rgba(255,138,30,0.4);
  box-shadow: var(--shadow-glow);
}
.scale__count { font-family: var(--font-display); font-size: 16px; color: var(--text-2); }
.scale__val { font-family: var(--font-display); font-size: 26px; font-weight: 700; color: var(--amber-2); }
.scale__step--top .scale__val { font-size: 32px; }
.scale__visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
}
.scale__visual img { width: 100%; }

/* ============ ROADMAP ============ */
.section--roadmap { background: rgba(10,11,13,0.55); }
.roadmap__timeline {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
  position: relative;
  padding: 40px 0;
}
.roadmap__timeline::before {
  content: '';
  position: absolute;
  top: 56px;
  left: 5%; right: 5%;
  height: 2px;
  background: linear-gradient(90deg, var(--line-strong), var(--amber), var(--amber-2));
}
.roadmap__item {
  text-align: center;
  position: relative;
  padding: 0 8px;
}
.roadmap__dot {
  width: 16px; height: 16px;
  background: var(--bg);
  border: 2px solid var(--amber);
  border-radius: 50%;
  margin: 24px auto 28px;
  position: relative;
  z-index: 2;
  transition: all 0.3s;
}
.roadmap__item:hover .roadmap__dot {
  background: var(--amber);
  box-shadow: 0 0 0 6px rgba(255,138,30,0.15);
}
.roadmap__dot--launch {
  background: var(--amber);
  border-color: var(--amber-2);
  box-shadow: 0 0 20px rgba(255,138,30,0.6);
}
.roadmap__time {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--amber-2);
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}
.roadmap__label { font-size: 13px; color: var(--text-2); }
.roadmap__item--launch .roadmap__label { color: var(--text); font-weight: 600; }

/* ============ GALLERY ============ */
.section--gallery { background: rgba(17,19,23,0.55); }
.gallery__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 220px;
  gap: 16px;
}
.gallery__item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--panel);
}
.gallery__item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.gallery__item:hover img { transform: scale(1.06); }
.gallery__item--lg { grid-column: span 2; grid-row: span 2; }
.gallery__item figcaption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 32px 16px 14px;
  background: linear-gradient(180deg, transparent, rgba(10,11,13,0.85));
  font-size: 12px;
  color: var(--text-2);
  letter-spacing: 0.05em;
  opacity: 0;
  transition: opacity 0.3s;
}
.gallery__item:hover figcaption { opacity: 1; }

/* ============ CONTACT ============ */
.section--contact { background: rgba(10,11,13,0.55); }
.contact__card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: 80px 64px;
  border: 1px solid var(--line-strong);
}
.contact__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.25;
}
.contact__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,11,13,0.92), rgba(10,11,13,0.75));
}
.contact__content { position: relative; z-index: 2; max-width: 1080px; }

/* Two-column layout: left text, right form */
.contact__columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
  margin-top: 36px;
}
.contact__left { padding-top: 4px; }
.contact__bullets {
  list-style: none;
  margin: 0 0 32px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
.contact__bullets li {
  padding: 12px 16px 12px 38px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--text-2);
  position: relative;
}
.contact__bullets li::before {
  content: '◆';
  position: absolute;
  left: 14px;
  top: 12px;
  color: var(--amber-2);
}
.contact__invite {
  font-size: 18px;
  color: var(--text-2);
  margin-bottom: 28px;
  line-height: 1.6;
}
.contact__person {
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.contact__name { font-family: var(--font-display); font-size: 22px; font-weight: 600; }
.contact__title { color: var(--text-2); font-size: 14px; margin: 4px 0 14px; }
.contact__links { display: flex; gap: 24px; flex-wrap: wrap; }
.contact__links a { color: var(--amber-2); font-size: 15px; font-weight: 500; }
.contact__links a:hover { color: var(--amber); }

/* Form */
.contact__form {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.form__intro {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  color: #ffb347;
  letter-spacing: 0.01em;
}
.form__field { display: flex; flex-direction: column; gap: 8px; }
.form__field label {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
}
.form__field input,
.form__field textarea {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text);
  background: rgba(0,0,0,0.25);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  padding: 14px 16px;
  resize: vertical;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form__field input::placeholder,
.form__field textarea::placeholder { color: var(--text-3); }
.form__field input:focus,
.form__field textarea:focus {
  outline: none;
  border-color: var(--amber);
  box-shadow: 0 0 0 3px rgba(255,138,30,0.15);
}
.btn--block { width: 100%; }
.form__status {
  font-size: 13px;
  color: var(--text-3);
  min-height: 18px;
  margin: 0;
  text-align: center;
}
.form__status.is-ok { color: var(--green); }
.form__status.is-err { color: var(--red); }

/* ============ FOOTER ============ */
.footer {
  background: #050608;
  border-top: 1px solid var(--line);
  padding: 48px 0;
}
.footer__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 40px;
  align-items: center;
}
.footer__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.08em;
}
.footer__brand strong { color: var(--amber-2); }
.footer__brand img { width: 28px; height: 28px; border-radius: 6px; }
.footer__disclaimer { font-size: 12px; color: var(--text); text-align: center; }
.footer__disclaimer .footer__legal { color: var(--text-3); }
.footer__legal { margin-top: 6px; max-width: 600px; margin-left: auto; margin-right: auto; }
.footer__contact { display: flex; flex-direction: column; gap: 8px; text-align: right; font-size: 13px; align-items: flex-end; }
.footer__invite { color: var(--text-3); font-size: 13px; }
.footer__phone {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--amber-2);
  transition: color 0.2s;
}
.footer__phone:hover { color: var(--amber); }
.footer__phone-icon { flex-shrink: 0; }

/* ============ REVEAL ANIMATION ============ */
/* Default: visible. Only hide when JS actively marks animation-capable. */
.reveal {
  opacity: 1;
  transform: none;
}
/* JS adds .reveal-ready to <html> when IntersectionObserver is available,
   then we hide until visible. This guarantees content shows without JS. */
html.reveal-ready .reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
html.reveal-ready .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 980px) {
  .container { padding: 0 24px; }
  .section { padding: 80px 0; }

  .nav__links {
    position: fixed;
    top: 0; right: 0;
    height: 100vh;
    width: 280px;
    flex-direction: column;
    align-items: flex-start;
    background: var(--bg-2);
    padding: 100px 32px 32px;
    transform: translateX(100%);
    transition: transform 0.3s var(--ease);
    border-left: 1px solid var(--line);
  }
  .nav__links.open { transform: translateX(0); }
  .nav__burger { display: flex; z-index: 200; }

  .hero { padding: 120px 0 60px; }
  .hero__metrics { grid-template-columns: repeat(2, 1fr); gap: 18px; }

  .market__grid { grid-template-columns: 1fr; }
  .market__connector { padding: 8px 0; }
  .market__conclusion { flex-direction: column; text-align: center; }
  .market__conclusion p { font-size: 17px; }

  .solution__layout, .advantage__layout, .eco__layout, .scale__layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .tech__steps { grid-template-columns: 1fr; }
  .products__grid { grid-template-columns: 1fr; }
  .econ__grid { grid-template-columns: 1fr; }
  .econ__split { grid-template-columns: 1fr; gap: 32px; text-align: center; }
  .econ__split-side { display: flex; flex-direction: column; align-items: center; }

  .team__grid { grid-template-columns: 1fr 1fr; }
  .member--lead { grid-row: auto; grid-column: span 2; }
  .team__creds { grid-template-columns: 1fr; }

  .roadmap__timeline {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .roadmap__timeline::before { display: none; }
  .roadmap__dot { margin: 0 auto; }
  .roadmap__item { display: grid; grid-template-columns: auto 1fr; gap: 16px; align-items: center; text-align: left; }

  .gallery__grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 180px; }
  .gallery__item--lg { grid-column: span 2; }

  .contact__card { padding: 48px 28px; }
  .contact__columns { grid-template-columns: 1fr; gap: 36px; }

  .footer__inner { grid-template-columns: 1fr; text-align: center; }
  .footer__contact { text-align: center; }
}

@media (max-width: 540px) {
  .hero__metrics { grid-template-columns: 1fr 1fr; }
  .team__grid { grid-template-columns: 1fr; }
  .member--lead { grid-column: auto; }
  .gallery__grid { grid-template-columns: 1fr; }
  .gallery__item--lg { grid-column: span 1; }
  .market__conclusion { padding: 28px 20px; gap: 20px; }
  .market__icon { width: 90px; height: 90px; }
  .market__icon img { width: 90px; height: 90px; }
}

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