/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --teal-dark: #0f4a58;
  --teal-mid: #1a6b7c;
  --teal-light: #4aabb8;
  --teal-pale: #d0eef2;
  --navy: #0d1f2d;
  --navy-mid: #1a2e40;
  --slate: #2d4a5a;
  --text: #1a2e3b;
  --text-mid: #4a6070;
  --text-light: #7a9aaa;
  --white: #ffffff;
  --off-white: #f5f9fa;
  --border: #e0ecf0;
  --gold: #c9a84c;
  --shadow: 0 4px 24px rgba(15, 74, 88, 0.1);
  --shadow-lg: 0 12px 48px rgba(15, 74, 88, 0.18);
  --radius: 12px;
  --radius-lg: 20px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }

/* ===== GRADIENT TEXT ===== */
.gradient-text {
  background: linear-gradient(135deg, var(--teal-dark), var(--teal-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.gradient-text-light {
  background: linear-gradient(135deg, var(--teal-pale), #a8dde6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-block;
  background: linear-gradient(135deg, var(--teal-dark), var(--teal-mid));
  color: var(--white);
  padding: 14px 32px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  transition: transform 0.2s, box-shadow 0.2s;
  border: none;
  cursor: pointer;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(15, 74, 88, 0.35); }
.btn-primary.large { padding: 18px 40px; font-size: 1.05rem; }
.btn-primary.full-width { width: 100%; text-align: center; }

.btn-ghost {
  display: inline-block;
  color: var(--teal-mid);
  padding: 14px 32px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid var(--teal-light);
  transition: background 0.2s, color 0.2s;
}
.btn-ghost:hover { background: var(--teal-pale); }

/* ===== SECTION LABELS ===== */
.section-label {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--teal-mid);
  background: var(--teal-pale);
  padding: 6px 14px;
  border-radius: 50px;
  margin-bottom: 16px;
}
.section-label.light {
  color: var(--teal-pale);
  background: rgba(74, 171, 184, 0.2);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}
.section-header h2 { font-size: clamp(2rem, 4vw, 2.8rem); line-height: 1.2; margin-bottom: 16px; }
.section-header p { color: var(--text-mid); font-size: 1.05rem; }
.section-header p.light-text { color: rgba(255,255,255,0.75); }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0;
  transition: background 0.3s, box-shadow 0.3s;
}
.navbar.scrolled {
  background: rgba(255,255,255,0.97);
  box-shadow: 0 2px 20px rgba(15,74,88,0.1);
  backdrop-filter: blur(8px);
}
.navbar.scrolled .nav-links a { color: var(--text); }
.navbar.scrolled .nav-links a:hover { color: var(--teal-mid); }
.navbar.scrolled .hamburger span { background: var(--navy); }
.nav-container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  height: 110px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.logo-img { height: 100px; width: auto; object-fit: contain; filter: brightness(0) invert(1); }
.navbar.scrolled .logo-img { filter: none; }
.footer-logo-img { height: 56px; filter: brightness(0) invert(1); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}
.nav-links a {
  text-decoration: none;
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--teal-mid); }
.nav-links .nav-cta {
  background: linear-gradient(135deg, var(--teal-dark), var(--teal-mid));
  color: var(--white) !important;
  padding: 10px 24px;
  border-radius: 50px;
  font-weight: 600;
}
.nav-links .nav-cta:hover { opacity: 0.9; }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: 0.3s; }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 24px 80px;
  background: var(--navy);
}

/* Video background */
.hero-video-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-video-wrap video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-video-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    135deg,
    rgba(10, 25, 38, 0.82) 0%,
    rgba(10, 40, 55, 0.70) 50%,
    rgba(15, 74, 88, 0.55) 100%
  );
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    radial-gradient(ellipse 50% 60% at 0% 50%, rgba(10,25,38,0.6) 0%, transparent 70%);
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 3;
  flex: 1;
  max-width: 620px;
}
.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal-light);
  margin-bottom: 20px;
}
.hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.7;
  max-width: 500px;
  margin-bottom: 40px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero .btn-ghost {
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
}
.hero .btn-ghost:hover { background: rgba(255,255,255,0.1); }

.hero-visual {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 20px;
  z-index: 3;
}
.hero-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px 28px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 190px;
  border-left: 4px solid var(--teal-light);
  animation: float 4s ease-in-out infinite;
}
.hero-card.card-2 { animation-delay: 1.3s; border-left-color: var(--gold); }
.hero-card.card-3 { animation-delay: 2.6s; border-left-color: var(--teal-dark); }
.card-icon { font-size: 1.2rem; }
.hero-card p { font-size: 0.78rem; color: var(--text-mid); font-weight: 500; }
.hero-card strong { font-size: 1.5rem; font-weight: 700; color: var(--teal-dark); }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ===== ABOUT ===== */
.about { background: var(--white); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-text h2 { font-size: clamp(2rem, 4vw, 2.6rem); line-height: 1.2; margin-bottom: 20px; }
.about-text p { color: var(--text-mid); line-height: 1.8; margin-bottom: 16px; }
.about-stats {
  display: flex;
  gap: 40px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.stat { display: flex; flex-direction: column; }
.stat strong { font-size: 2.2rem; font-weight: 800; color: var(--teal-dark); line-height: 1; }
.stat span { font-size: 0.85rem; color: var(--text-mid); margin-top: 4px; }

.about-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}
.about-badge {
  position: relative;
  width: 200px;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.badge-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 3px solid transparent;
  background: linear-gradient(135deg, var(--teal-dark), var(--teal-light)) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: destination-out;
  mask-composite: exclude;
  animation: spin 12s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.badge-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  background: linear-gradient(135deg, var(--teal-dark), var(--teal-mid));
  width: 150px;
  height: 150px;
  border-radius: 50%;
  justify-content: center;
  color: var(--white);
}
.badge-headline { font-weight: 700; font-size: 1rem; text-align: center; }
.badge-sub { font-size: 0.75rem; opacity: 0.8; text-align: center; }

.industry-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}
.industry-tags span {
  background: var(--teal-pale);
  color: var(--teal-dark);
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
}

/* ===== SERVICES ===== */
.services { background: var(--off-white); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  border: 1px solid var(--border);
  transition: transform 0.2s, box-shadow 0.2s;
  position: relative;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.service-icon { font-size: 2.2rem; margin-bottom: 16px; }
.service-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 12px; color: var(--navy); }
.service-card p { color: var(--text-mid); font-size: 0.93rem; line-height: 1.7; }
.featured-service { border-color: var(--teal-light); background: linear-gradient(135deg, #f0fafc, #e5f7f9); }
.service-badge {
  position: absolute;
  top: 16px; right: 16px;
  background: linear-gradient(135deg, var(--teal-dark), var(--teal-mid));
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 4px 12px;
  border-radius: 50px;
  text-transform: uppercase;
}

/* ===== AI SOLUTIONS ===== */
.ai-solutions {
  background: linear-gradient(150deg, var(--navy) 0%, #0f2a3a 40%, var(--teal-dark) 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.ai-bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(74,171,184,0.12) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(74,171,184,0.08) 0%, transparent 50%),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 60px,
      rgba(74,171,184,0.03) 60px,
      rgba(74,171,184,0.03) 61px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 60px,
      rgba(74,171,184,0.03) 60px,
      rgba(74,171,184,0.03) 61px
    );
  pointer-events: none;
}
.ai-solutions .section-header h2 { color: var(--white); }

.ai-intro {
  max-width: 780px;
  margin: 0 auto 64px;
  text-align: center;
  color: rgba(255,255,255,0.75);
  font-size: 1.05rem;
  line-height: 1.8;
  padding: 32px;
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(74,171,184,0.2);
}
.ai-intro strong { color: var(--teal-light); }

.ai-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 64px;
}
.ai-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(74,171,184,0.2);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
  transition: transform 0.2s, background 0.2s;
}
.ai-card:hover { transform: translateY(-4px); background: rgba(255,255,255,0.09); }
.ai-card-highlight {
  background: linear-gradient(135deg, rgba(74,171,184,0.15), rgba(15,74,88,0.3));
  border-color: var(--teal-light);
}
.ai-card-badge {
  position: absolute;
  top: 16px; right: 16px;
  background: var(--gold);
  color: var(--navy);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 4px 12px;
  border-radius: 50px;
  text-transform: uppercase;
}
.ai-card-icon { font-size: 2.4rem; margin-bottom: 16px; }
.ai-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--white); margin-bottom: 12px; }
.ai-card p { color: rgba(255,255,255,0.7); font-size: 0.91rem; line-height: 1.7; margin-bottom: 20px; }
.ai-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.ai-features li {
  font-size: 0.85rem;
  color: var(--teal-light);
  padding-left: 18px;
  position: relative;
}
.ai-features li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--teal-light);
}

.ai-cta-block {
  text-align: center;
  padding: 56px 40px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(74,171,184,0.25);
  border-radius: var(--radius-lg);
}
.ai-cta-block h3 { font-size: 2rem; font-weight: 700; color: var(--white); margin-bottom: 12px; }
.ai-cta-block p { color: rgba(255,255,255,0.7); margin-bottom: 32px; font-size: 1.05rem; }

/* ===== WHO WE HELP ===== */
.who-we-help { background: var(--navy); color: var(--white); }
.who-we-help .section-header h2 { color: var(--white); }
.who-we-help .section-header p { color: rgba(255,255,255,0.7); }

/* Ticker */
.ticker-wrap {
  overflow: hidden;
  margin: 0 -24px 56px;
  padding: 18px 0;
  background: rgba(74,171,184,0.1);
  border-top: 1px solid rgba(74,171,184,0.2);
  border-bottom: 1px solid rgba(74,171,184,0.2);
}
.ticker {
  display: flex;
  gap: 48px;
  width: max-content;
  animation: ticker 28s linear infinite;
}
.ticker span {
  white-space: nowrap;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--teal-light);
  letter-spacing: 0.04em;
}
@keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-50%); } }

.who-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.who-card {
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  border: 1px solid rgba(74,171,184,0.15);
  transition: transform 0.2s, background 0.2s, border-color 0.2s;
  cursor: default;
}
.who-card:hover { transform: translateY(-4px); background: rgba(74,171,184,0.1); border-color: var(--teal-light); }
.who-card-wide { grid-column: span 3; display: flex; align-items: center; gap: 24px; }
.who-card-wide .who-icon { font-size: 3rem; }
.who-card-wide h3 { margin-bottom: 6px; }
.who-icon { font-size: 2.2rem; margin-bottom: 14px; }
.who-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--white); margin-bottom: 10px; }
.who-card p { color: rgba(255,255,255,0.65); font-size: 0.9rem; line-height: 1.7; }

/* ===== PROCESS ===== */
.process { background: var(--white); }
.process-track {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}
.process-step {
  display: flex;
  align-items: flex-start;
  gap: 28px;
  width: 100%;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 36px;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.process-step:hover { transform: translateX(6px); box-shadow: var(--shadow); border-color: var(--teal-light); }
.step-number {
  min-width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--teal-dark), var(--teal-mid));
  color: var(--white);
  font-size: 1.3rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.step-content h3 { font-size: 1.15rem; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.step-content p { color: var(--text-mid); font-size: 0.93rem; line-height: 1.7; }
.process-arrow {
  font-size: 1.8rem;
  color: var(--teal-light);
  line-height: 1;
  padding: 6px 0;
}

/* ===== WHY US ===== */
.why-us { background: var(--white); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}
.why-item { padding: 32px 0; border-top: 3px solid var(--teal-pale); transition: border-color 0.2s; }
.why-item:hover { border-top-color: var(--teal-mid); }
.why-number { font-size: 3rem; font-weight: 800; color: var(--teal-pale); line-height: 1; margin-bottom: 16px; }
.why-item h3 { font-size: 1.05rem; font-weight: 700; color: var(--navy); margin-bottom: 12px; }
.why-item p { color: var(--text-mid); font-size: 0.91rem; line-height: 1.7; }

/* ===== CONTACT ===== */
.contact { background: var(--off-white); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 80px; align-items: start; }
.contact-info h2 { font-size: clamp(1.8rem, 3.5vw, 2.4rem); line-height: 1.25; margin-bottom: 16px; }
.contact-info p { color: var(--text-mid); line-height: 1.8; margin-bottom: 32px; }
.contact-details { display: flex; flex-direction: column; gap: 16px; }
.contact-item { display: flex; align-items: center; gap: 12px; color: var(--text-mid); font-size: 0.93rem; }
.contact-icon { font-size: 1.1rem; }

.contact-form {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: var(--text); }
.form-group input, .form-group select, .form-group textarea {
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 0.93rem;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: var(--white);
  transition: border-color 0.2s;
  outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--teal-light);
  box-shadow: 0 0 0 3px rgba(74,171,184,0.12);
}
.form-group textarea { resize: vertical; }
.form-success { display: none; color: var(--teal-mid); font-size: 0.9rem; text-align: center; font-weight: 600; }
.form-success.show { display: block; }

/* ===== FOOTER ===== */
.footer { background: var(--navy); color: var(--white); padding: 64px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand .nav-logo { margin-bottom: 16px; }
.footer-brand .logo-text { color: var(--white); }
.footer-brand .logo-text span { color: rgba(255,255,255,0.55); }
.footer-brand p { color: rgba(255,255,255,0.55); font-size: 0.9rem; line-height: 1.7; }
.footer-links h4 { font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--teal-light); margin-bottom: 16px; }
.footer-links ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: rgba(255,255,255,0.6); text-decoration: none; font-size: 0.9rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--teal-light); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 28px; text-align: center; }
.footer-bottom p { color: rgba(255,255,255,0.4); font-size: 0.85rem; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-visual { display: none; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .who-grid { grid-template-columns: repeat(2, 1fr); }
  .who-card-wide { grid-column: span 2; flex-direction: column; }
  .ai-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .nav-links { display: none; position: fixed; top: 72px; left: 0; right: 0; background: var(--white); flex-direction: column; padding: 24px; box-shadow: var(--shadow-lg); gap: 20px; }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }
  .hero { padding: 100px 24px 60px; }
  .services-grid { grid-template-columns: 1fr; }
  .who-grid { grid-template-columns: 1fr; }
  .who-card-wide { grid-column: span 1; flex-direction: column; }
  .ai-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .about-stats { gap: 24px; }
}