/* FORTEM — Apple Light Design System */

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

:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f5f5f7;
  --text-primary: #1d1d1f;
  --text-secondary: #6e6e73;
  --accent: #0071e3;
  --accent-hover: #0077ed;
  --border: #d2d2d7;
  --radius: 18px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-hover: 0 8px 40px rgba(0,0,0,0.14);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  font-size: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Helvetica, Arial, sans-serif;
  color: var(--text-primary);
  background: var(--bg-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── NAV ─────────────────────────────────── */
nav {
  position: sticky;
  position: -webkit-sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.85);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0,0,0,0.08);
  padding: 0 24px;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
}

.nav-logo {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition);
}

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

.nav-cta {
  background: var(--accent);
  color: #fff !important;
  padding: 8px 18px;
  border-radius: 980px;
  font-size: 0.85rem !important;
  font-weight: 500;
  text-decoration: none;
  transition: background var(--transition);
}

.nav-cta:hover { background: var(--accent-hover) !important; color: #fff !important; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 10px 8px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
  transform-origin: center;
}

.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── HERO ────────────────────────────────── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(160deg, #f5f5f7 0%, #ffffff 60%);
  padding: 80px 24px 60px;
  overflow: hidden;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content { max-width: 560px; }

.hero-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin-bottom: 20px;
}

.hero-title span { color: var(--accent); }

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 36px;
  max-width: 440px;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  padding: 14px 28px;
  border-radius: 980px;
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  transition: background var(--transition), transform var(--transition);
  display: inline-block;
}

.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }

.btn-secondary {
  background: transparent;
  color: var(--accent);
  padding: 14px 28px;
  border-radius: 980px;
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  border: 1.5px solid var(--accent);
  transition: all var(--transition);
  display: inline-block;
}

.btn-secondary:hover { background: var(--accent); color: #fff; }

.hero-image-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-robot-img {
  max-width: 100%;
  max-height: 520px;
  object-fit: contain;
  filter: drop-shadow(0 20px 60px rgba(0,113,227,0.18));
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-18px); }
}

@media (prefers-reduced-motion: reduce) {
  .hero-robot-img { animation: none; }
  .fade-in { transition: none; }
}

/* ── SECTION BASE ────────────────────────── */
section { padding: 96px 24px; }

section:nth-child(even) { background: var(--bg-secondary); }

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 64px;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ── MISSION ─────────────────────────────── */
.mission-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.mission-text p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 20px;
}

.mission-text p:last-child { margin-bottom: 0; }

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.stat-card {
  background: var(--bg-primary);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.stat-number {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* ── HOW IT WORKS ────────────────────────── */
.steps-wrap {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 0;
}

.step-card {
  background: var(--bg-primary);
  border-radius: var(--radius);
  padding: 40px 28px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: box-shadow var(--transition), transform var(--transition);
}

.step-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }

.step-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  display: block;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.step-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.step-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.step-arrow {
  font-size: 2rem;
  color: var(--accent);
  padding: 0 12px;
  flex-shrink: 0;
}

/* ── INDUSTRIES ──────────────────────────── */
.industries-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}

.industry-card {
  background: var(--bg-primary);
  border-radius: var(--radius);
  padding: 32px 20px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  cursor: default;
  transition: box-shadow var(--transition), transform var(--transition);
}

.industry-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-5px); }

.industry-icon { font-size: 2.4rem; margin-bottom: 14px; display: block; }

.industry-name {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.industry-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ── TECHNOLOGY ──────────────────────────── */
.tech-layout {
  max-width: 1200px;
  margin: 0 auto;
}

.tech-videos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 56px;
}

.video-thumb-card {
  display: block;
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  text-decoration: none;
  color: var(--text-primary);
  transition: box-shadow var(--transition), transform var(--transition);
  background: #000;
}

.video-thumb-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.video-thumb-card img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  display: block;
  opacity: 0.88;
  transition: opacity var(--transition);
}

.video-thumb-card:hover img { opacity: 0.7; }

.video-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -60%);
  width: 64px;
  height: 64px;
  background: rgba(0,0,0,0.72);
  border: 2.5px solid rgba(255,255,255,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: #fff;
  transition: background var(--transition), transform var(--transition);
  pointer-events: none;
}

.video-thumb-card:hover .video-play-btn {
  background: var(--accent);
  border-color: var(--accent);
  transform: translate(-50%, -60%) scale(1.1);
}

.video-caption {
  padding: 12px 16px;
  font-size: 0.88rem;
  font-weight: 600;
  background: #fff;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}

.video-caption::before {
  content: '▶';
  color: var(--accent);
  font-size: 0.7rem;
}

.specs-table-wrap { overflow-x: auto; border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--border); }

.specs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.specs-table thead { background: var(--accent); color: #fff; }

.specs-table th {
  padding: 16px 20px;
  text-align: left;
  font-weight: 600;
  font-size: 0.88rem;
  letter-spacing: 0.04em;
}

.specs-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}

.specs-table tr:last-child td { border-bottom: none; }

.specs-table tbody tr:hover { background: rgba(0,113,227,0.04); }

.specs-table td:first-child { font-weight: 600; color: var(--text-primary); }

/* ── INSPIRED BY ─────────────────────────── */
.inspired-card {
  max-width: 860px;
  margin: 0 auto;
  background: linear-gradient(135deg, #0071e3 0%, #005bb5 100%);
  border-radius: 24px;
  padding: 60px 48px;
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.inspired-card::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 300px; height: 300px;
  background: rgba(255,255,255,0.06);
  border-radius: 50%;
}

.inspired-card::after {
  content: '';
  position: absolute;
  bottom: -60px; left: -60px;
  width: 220px; height: 220px;
  background: rgba(255,255,255,0.04);
  border-radius: 50%;
}

.inspired-flag { font-size: 2rem; margin-bottom: 12px; }

.inspired-card h3 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.inspired-card p {
  font-size: 1.05rem;
  opacity: 0.88;
  line-height: 1.7;
  margin-bottom: 28px;
  position: relative;
  z-index: 1;
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
}

.inspired-card a {
  display: inline-block;
  background: rgba(255,255,255,0.2);
  color: #fff;
  padding: 12px 28px;
  border-radius: 980px;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  border: 1.5px solid rgba(255,255,255,0.4);
  transition: background var(--transition);
  position: relative;
  z-index: 1;
}

.inspired-card a:hover { background: rgba(255,255,255,0.3); }

/* ── BENEFITS ────────────────────────────── */
.benefits-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.benefits-column {
  background: var(--bg-primary);
  border-radius: var(--radius);
  padding: 40px 36px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.benefits-column h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--accent);
  display: flex;
  align-items: center;
  gap: 10px;
}

.benefit-item {
  display: flex;
  gap: 14px;
  margin-bottom: 20px;
  align-items: flex-start;
}

.benefit-item:last-child { margin-bottom: 0; }

.benefit-check {
  width: 22px;
  height: 22px;
  background: #e8f2fd;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
}

.benefit-text strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 3px;
}

.benefit-text span {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ── GALLERY ─────────────────────────────── */
.gallery-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 16px;
}

.gallery-item {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  aspect-ratio: 4/3;
  background: var(--bg-secondary);
}

.gallery-item.wide {
  grid-column: span 2;
  aspect-ratio: 16/9;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
  display: block;
}

.gallery-item:hover img { transform: scale(1.04); }

/* ── DEMO FORM ───────────────────────────── */
#demo {
  background: var(--bg-secondary);
}

.form-wrap {
  max-width: 600px;
  margin: 0 auto;
  background: var(--bg-primary);
  border-radius: 24px;
  padding: 52px 48px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 7px;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text-primary);
  background: var(--bg-primary);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,113,227,0.12);
}

.form-group textarea { resize: vertical; min-height: 110px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.form-submit {
  width: 100%;
  padding: 14px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 980px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  font-family: inherit;
  margin-top: 8px;
}

.form-submit:hover { background: var(--accent-hover); transform: translateY(-1px); }

.form-success {
  display: none;
  text-align: center;
  padding: 20px;
  color: #28a745;
  font-weight: 600;
  font-size: 1.05rem;
}

/* ── FOOTER ──────────────────────────────── */
footer {
  background: #1d1d1f;
  color: #a1a1a6;
  padding: 48px 24px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 20px;
}

.footer-logo {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #f5f5f7;
}

.footer-tagline {
  font-size: 0.88rem;
  color: #6e6e73;
  font-style: italic;
}

.footer-links {
  display: flex;
  gap: 28px;
  list-style: none;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  font-size: 0.82rem;
  color: #a1a1a6;
  text-decoration: none;
  transition: color var(--transition);
}

.footer-links a:hover { color: #f5f5f7; }

.footer-copy {
  font-size: 0.78rem;
  color: #6e6e73;
  border-top: 1px solid #333;
  padding-top: 20px;
  width: 100%;
}

/* ── FADE-IN ANIMATION ───────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── RESPONSIVE ──────────────────────────── */
@media (max-width: 900px) {
  section { padding: 72px 24px; }
  #hero { min-height: auto; padding: 80px 24px 60px; }

  .hero-inner { grid-template-columns: 1fr; text-align: center; gap: 32px; }
  .hero-content { max-width: 100%; }
  .hero-sub { max-width: 100%; }
  .hero-actions { justify-content: center; }
  .hero-image-wrap { order: -1; }
  .hero-robot-img { max-height: 280px; }

  .mission-grid { grid-template-columns: 1fr; gap: 40px; }
  .steps-wrap { grid-template-columns: 1fr; gap: 20px; }
  .step-arrow { display: none; }
  .tech-videos { grid-template-columns: 1fr; }
  .benefits-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .gallery-item.wide { grid-column: span 2; }
}

@media (max-width: 680px) {
  section { padding: 60px 20px; }
  #hero { padding: 60px 20px 48px; }
  .section-header { margin-bottom: 40px; }

  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 52px; left: 0; right: 0;
    z-index: 99;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    gap: 16px;
    max-height: calc(100vh - 52px);
    overflow-y: auto;
  }

  .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .stat-card { padding: 20px 16px; }
  .stat-number { font-size: 2rem; }

  .step-card { padding: 28px 20px; }

  .industries-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .industry-card { padding: 24px 14px; }
  .industry-icon { font-size: 2rem; margin-bottom: 10px; }
  .industry-name { font-size: 0.9rem; }

  .benefits-column { padding: 28px 22px; }

  .inspired-card { padding: 40px 24px; }
  .inspired-card h3 { font-size: 1.35rem; }

  .form-wrap { padding: 36px 24px; }
  .form-row { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item.wide { grid-column: span 1; aspect-ratio: 4/3; }

  .footer-links { gap: 16px; }
}

@media (max-width: 480px) {
  section { padding: 48px 16px; }
  #hero { padding: 48px 16px 40px; }
  .section-header { margin-bottom: 28px; }

  .hero-title { font-size: clamp(1.9rem, 8vw, 2.4rem); }
  .hero-sub { font-size: 1rem; margin-bottom: 28px; }
  .hero-robot-img { max-height: 220px; }
  .hero-actions { flex-direction: column; gap: 10px; width: 100%; }
  .btn-primary, .btn-secondary { width: 100%; text-align: center; padding: 13px 20px; }

  .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-card { padding: 16px 12px; }
  .stat-number { font-size: 1.7rem; }
  .stat-label { font-size: 0.78rem; }

  .step-card { padding: 24px 16px; }
  .step-icon { font-size: 2.2rem; }

  .industries-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .industry-card { padding: 18px 10px; border-radius: 14px; }
  .industry-icon { font-size: 1.7rem; margin-bottom: 8px; }
  .industry-name { font-size: 0.82rem; }
  .industry-desc { font-size: 0.72rem; }

  .specs-table { font-size: 0.82rem; }
  .specs-table th, .specs-table td { padding: 10px 12px; }

  .inspired-card { padding: 32px 18px; border-radius: 18px; }
  .inspired-card h3 { font-size: 1.15rem; }
  .inspired-card p { font-size: 0.9rem; }
  .inspired-card a { padding: 10px 20px; font-size: 0.88rem; }

  .benefits-column { padding: 22px 16px; border-radius: 14px; }
  .benefits-column h3 { font-size: 1.1rem; margin-bottom: 20px; }
  .benefit-text strong { font-size: 0.88rem; }
  .benefit-text span { font-size: 0.8rem; }

  .form-wrap { padding: 28px 16px; border-radius: 16px; }

  .footer-links { gap: 12px; }
  .footer-copy { font-size: 0.72rem; }
}