/* ===========================
   TradeSprint Landing Page
   Industrial / Safety Orange
   =========================== */

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

:root {
  --bg-primary: #0f0f0f;
  --bg-secondary: #161616;
  --bg-card: #1e1e1e;
  --bg-card-hover: #252525;
  --orange: #FF6B35;
  --orange-light: #ff8c5a;
  --yellow: #FFE135;
  --white: #FFFFFF;
  --gray-100: #f5f5f5;
  --gray-300: #ccc;
  --gray-500: #888;
  --gray-700: #555;
  --gray-900: #1a1a1a;
  --border: #2a2a2a;
  --font-display: 'Bebas Neue', 'Arial Black', sans-serif;
  --font-body: 'Barlow', 'Helvetica Neue', Arial, sans-serif;
}

html { font-size: 16px; }

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--white);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* --- Navbar --- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 15, 15, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--orange);
  color: #fff;
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 1px;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 2px;
  color: var(--white);
}

.nav-tagline {
  font-size: 12px;
  color: var(--gray-500);
  font-weight: 400;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  position: relative;
  overflow: hidden;
  background: var(--bg-primary);
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 107, 53, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 107, 53, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-content {
  padding: 80px 48px 80px 80px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 32px;
  position: relative;
  z-index: 1;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--orange);
}

.label-dot {
  width: 8px;
  height: 8px;
  background: var(--orange);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-headline {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.headline-top {
  font-family: var(--font-display);
  font-size: clamp(48px, 6vw, 88px);
  line-height: 1;
  letter-spacing: 2px;
  color: var(--white);
}

.headline-accent {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 56px);
  line-height: 1.1;
  letter-spacing: 1px;
  color: var(--orange);
}

.hero-sub {
  font-size: 16px;
  font-weight: 300;
  color: var(--gray-300);
  line-height: 1.7;
  max-width: 480px;
}

.hero-sub strong {
  color: var(--yellow);
  font-weight: 600;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 8px;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--orange);
  letter-spacing: 1px;
}

.stat-label {
  font-size: 11px;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* --- Hero Visual (Phone Mockup) --- */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: radial-gradient(ellipse at center, rgba(255, 107, 53, 0.08) 0%, transparent 70%);
}

.phone-frame {
  width: 260px;
  background: #0a0a0a;
  border: 2px solid #333;
  border-radius: 40px;
  padding: 12px;
  position: relative;
  box-shadow:
    0 0 0 1px #222,
    0 40px 80px rgba(0,0,0,0.6),
    0 0 60px rgba(255, 107, 53, 0.12),
    inset 0 0 0 1px rgba(255,255,255,0.05);
}

.phone-notch {
  width: 100px;
  height: 28px;
  background: #0a0a0a;
  border-radius: 0 0 18px 18px;
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  border-bottom: 1px solid #1a1a1a;
}

.phone-screen {
  background: #111;
  border-radius: 30px;
  overflow: hidden;
  height: 460px;
  position: relative;
}

.screen-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 48px 20px 12px;
  background: linear-gradient(135deg, #1a1a1a 0%, #0f0f0f 100%);
}

.screen-date {
  font-size: 11px;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: 2px;
}

.screen-badge {
  background: var(--orange);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
}

.screen-content {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 0 16px;
}

.ar-overlay {
  width: 100%;
  height: 280px;
  border: 1px solid rgba(255, 107, 53, 0.3);
  border-radius: 16px;
  background: rgba(255, 107, 53, 0.04);
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
  padding: 16px;
}

.ar-line {
  display: flex;
  align-items: center;
  gap: 10px;
  animation: ar-scan 2s ease-in-out infinite;
}

.ar-line:nth-child(2) { animation-delay: 0.3s; }
.ar-line:nth-child(3) { animation-delay: 0.6s; }

@keyframes ar-scan {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.ar-node {
  width: 14px;
  height: 14px;
  border: 2px solid var(--orange);
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 6px rgba(255, 107, 53, 0.6);
}

.ar-label {
  font-size: 10px;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 1px;
  flex: 1;
}

.ar-value {
  font-size: 11px;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: 1px;
}

.ar-cursor {
  position: absolute;
  width: 2px;
  height: 20px;
  background: var(--orange);
  right: 16px;
  top: 16px;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.screen-lesson-bar {
  padding: 12px 0 4px;
  width: 100%;
}

.lesson-progress {
  height: 4px;
  background: #222;
  border-radius: 2px;
  margin-bottom: 8px;
  overflow: hidden;
}

.lesson-fill {
  height: 100%;
  width: 57%;
  background: linear-gradient(90deg, var(--orange), var(--yellow));
  border-radius: 2px;
}

.lesson-meta {
  font-size: 10px;
  color: var(--gray-500);
  text-align: center;
}

.phone-home {
  width: 80px;
  height: 4px;
  background: #333;
  border-radius: 2px;
  margin: 10px auto 4px;
}

/* Visual badges */
.visual-badge {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(15, 15, 15, 0.9);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 6px 12px;
  font-size: 11px;
  font-weight: 600;
  color: var(--gray-300);
  backdrop-filter: blur(8px);
  letter-spacing: 0.5px;
}

.badge-1 { bottom: 60px; left: 20px; }
.badge-2 { top: 80px; right: 20px; }
.badge-3 { bottom: 60px; right: 30px; }

.badge-icon { font-size: 14px; }

/* --- Section Headers --- */
.section-header {
  margin-bottom: 56px;
}

.section-number {
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--orange);
  letter-spacing: 3px;
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 64px);
  letter-spacing: 2px;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 16px;
  color: var(--gray-500);
  font-weight: 300;
}

.section-header--light .section-number,
.section-number--light { color: var(--orange); }

.section-title--light { color: var(--white); }
.section-sub--light { color: var(--gray-500); }

/* --- How It Works --- */
.howitworks {
  padding: 100px 80px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
}

.steps-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: start;
  gap: 0;
}

.step {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.step-num {
  font-family: var(--font-display);
  font-size: 11px;
  color: var(--orange);
  letter-spacing: 2px;
}

.step-icon {
  font-size: 36px;
  line-height: 1;
  margin-bottom: 4px;
}

.step-title {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 1px;
  color: var(--white);
}

.step-desc {
  font-size: 13px;
  color: var(--gray-500);
  line-height: 1.6;
  font-weight: 300;
}

.step-connector {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  padding-top: 32px;
}

.step-connector::after {
  content: '';
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--border), var(--orange), var(--border));
}

/* --- Curriculum --- */
.curriculum {
  padding: 0;
  background: var(--bg-primary);
}

.curriculum-bg {
  background: linear-gradient(135deg, #111 0%, #0a0a0a 50%, #111 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 100px 80px;
}

.trades-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.trade-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: all 0.2s ease;
}

.trade-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 107, 53, 0.3);
  transform: translateY(-2px);
}

.trade-card--cta {
  background: rgba(255, 107, 53, 0.06);
  border-color: rgba(255, 107, 53, 0.2);
}

.trade-icon {
  font-size: 28px;
  line-height: 1;
  margin-bottom: 4px;
}

.trade-name {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 1px;
  color: var(--white);
}

.trade-desc {
  font-size: 13px;
  color: var(--gray-500);
  line-height: 1.5;
  font-weight: 300;
}

.trade-level {
  font-size: 11px;
  color: var(--orange);
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

/* --- Outcomes --- */
.outcomes {
  padding: 100px 80px;
  background: var(--bg-secondary);
}

.outcomes-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 0;
}

.outcome {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.outcome-stat {
  font-family: var(--font-display);
  font-size: 48px;
  color: var(--orange);
  letter-spacing: 1px;
  line-height: 1;
}

.outcome-label {
  font-size: 11px;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 600;
}

.outcome-desc {
  font-size: 13px;
  color: var(--gray-500);
  line-height: 1.6;
  font-weight: 300;
  margin-top: 4px;
}

/* --- Manifesto --- */
.manifesto {
  padding: 100px 80px;
  background: var(--bg-primary);
  border-top: 1px solid var(--border);
}

.manifesto-content {
  max-width: 760px;
}

.manifesto-label {
  font-size: 11px;
  color: var(--orange);
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.manifesto-headline {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 72px);
  letter-spacing: 2px;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 32px;
}

.manifesto-body {
  font-size: 16px;
  color: var(--gray-300);
  line-height: 1.8;
  font-weight: 300;
  margin-bottom: 24px;
}

.manifesto-rule {
  width: 80px;
  height: 3px;
  background: var(--orange);
  margin: 40px 0;
}

.manifesto-close {
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: 1px;
  color: var(--orange);
  line-height: 1.5;
}

/* --- Footer --- */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 60px 80px 32px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: 48px;
  max-width: 1200px;
  margin: 0 auto;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
}

.footer-brand { display: flex; flex-direction: column; gap: 12px; }
.footer-brand .footer-logo { display: flex; align-items: center; gap: 10px; }
.footer-desc { font-size: 12px; color: var(--gray-500); line-height: 1.6; max-width: 200px; }

.footer-revenue-title {
  font-size: 11px;
  color: var(--orange);
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.footer-revenue-list { display: flex; flex-direction: column; gap: 12px; }

.revenue-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 13px;
  color: var(--gray-500);
  font-weight: 300;
  line-height: 1.4;
}

.revenue-num {
  font-family: var(--font-display);
  font-size: 11px;
  color: var(--orange);
  flex-shrink: 0;
  padding-top: 2px;
}

.footer-market { text-align: right; }

.market-stat {
  font-family: var(--font-display);
  font-size: 32px;
  color: var(--white);
  letter-spacing: 1px;
}

.market-label {
  font-size: 11px;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 24px;
  font-size: 11px;
  color: var(--gray-700);
}

.footer-links {
  display: flex;
  gap: 8px;
  align-items: center;
}

.footer-links a {
  color: var(--gray-700);
  text-decoration: none;
}

.footer-links a:hover { color: var(--gray-300); }

/* ===========================
   RESPONSIVE
   =========================== */

@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; }
  .hero-content { padding: 80px 48px 48px; }
  .hero-visual { display: none; }

  .steps-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .step-connector { display: none; }

  .trades-grid { grid-template-columns: repeat(2, 1fr); }
  .outcomes-grid { grid-template-columns: repeat(2, 1fr); }

  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-market { text-align: left; }
}

@media (max-width: 768px) {
  .howitworks, .curriculum-bg, .outcomes, .manifesto { padding: 64px 24px; }
  .footer { padding: 48px 24px 24px; }

  .hero-content { padding: 64px 24px 40px; }
  .hero-headline { gap: 0; }

  .steps-grid { grid-template-columns: 1fr; }
  .trades-grid { grid-template-columns: 1fr; }
  .outcomes-grid { grid-template-columns: 1fr 1fr; }

  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}

@media (max-width: 480px) {
  .outcomes-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-wrap: wrap; }
}