/* ============================================
   NOO STRESS AIR CONDITIONING
   Arctic Luxury — Deep Navy + Ice Blue
   ============================================ */

:root {
  --navy-deep: #070e18;
  --navy: #0a1628;
  --navy-mid: #0d1f35;
  --navy-light: #1a3a5c;
  --blue-accent: #2d6a9f;
  --ice: #7ec8e3;
  --ice-light: #a8dced;
  --ice-pale: #e8f4f8;
  --text-primary: #ffffff;
  --text-secondary: #a0b4c8;
  --text-muted: #5a7a94;
  --glass-border: rgba(126, 200, 227, 0.12);
  --glass-bg: rgba(126, 200, 227, 0.06);
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --max-width: 1200px;
  --section-pad: clamp(48px, 8vw, 96px);
  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-body);
  background: var(--navy);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ---- Typography ---- */
.label {
  font-size: 11px;
  letter-spacing: 4px;
  color: var(--ice);
  text-transform: uppercase;
  font-weight: 500;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 42px);
  color: var(--text-primary);
  line-height: 1.2;
  margin-top: 12px;
}
.section-subtitle {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 16px auto 0;
}

/* ---- Layout ---- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
section {
  padding: var(--section-pad) 0;
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: background var(--transition), box-shadow var(--transition);
}
.nav.scrolled {
  background: rgba(10, 22, 40, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--glass-border);
}
.nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav-logo {
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.nav-logo-text {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.5px;
}
.nav-logo-sub {
  font-size: 9px;
  letter-spacing: 3px;
  color: var(--ice);
  text-transform: uppercase;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color var(--transition);
  font-weight: 500;
}
.nav-links a:hover {
  color: var(--text-primary);
}
.nav-cta {
  background: var(--ice) !important;
  color: var(--navy) !important;
  padding: 10px 22px;
  border-radius: 8px;
  font-weight: 600 !important;
  font-size: 13px !important;
  transition: transform var(--transition), box-shadow var(--transition) !important;
}
.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(126, 200, 227, 0.3);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
  border-radius: 2px;
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    rgba(10, 22, 40, 0.88) 0%,
    rgba(26, 58, 92, 0.75) 50%,
    rgba(45, 106, 159, 0.65) 100%
  );
  z-index: 1;
}
.hero-glow {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(126, 200, 227, 0.08) 0%, transparent 70%);
  z-index: 1;
}
.hero-glow-1 { top: -100px; right: -50px; }
.hero-glow-2 { bottom: -80px; left: -100px; width: 300px; height: 300px; }
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
  padding: 0 24px;
}
.hero .label { margin-bottom: 16px; }
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 20px;
}
.hero-title .highlight {
  color: var(--ice);
}
.hero-description {
  font-size: clamp(15px, 2vw, 18px);
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto 32px;
  line-height: 1.7;
}
.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--ice);
  color: var(--navy);
  padding: 14px 32px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 15px;
  transition: transform var(--transition), box-shadow var(--transition);
  border: none;
  cursor: pointer;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(126, 200, 227, 0.3);
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--ice);
  color: var(--ice);
  padding: 14px 32px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
  cursor: pointer;
  background: transparent;
}
.btn-secondary:hover {
  background: rgba(126, 200, 227, 0.1);
}

/* ============================================
   TRUST BAR
   ============================================ */
.trust-bar {
  background: var(--navy-mid);
  padding: 28px 0;
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
}
.trust-bar .container {
  display: flex;
  justify-content: center;
  gap: clamp(32px, 6vw, 80px);
  flex-wrap: wrap;
}
.trust-item {
  text-align: center;
}
.trust-number {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  color: var(--ice);
}
.trust-label {
  font-size: 12px;
  color: var(--text-secondary);
  letter-spacing: 1px;
  margin-top: 4px;
}

/* ============================================
   SERVICES
   ============================================ */
.services {
  background: var(--navy);
}
.services-header {
  text-align: center;
  margin-bottom: 48px;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(126, 200, 227, 0.1);
}
.service-card-image {
  width: 100%;
  height: 220px;
  overflow: hidden;
}
.service-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.service-card:hover .service-card-image img {
  transform: scale(1.05);
}
.service-card-body {
  padding: 28px;
}
.service-card-icon {
  font-size: 28px;
  margin-bottom: 12px;
}
.service-card-title {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--text-primary);
  margin-bottom: 10px;
}
.service-card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================
   WHY CHOOSE US
   ============================================ */
.why-us {
  background: var(--navy-mid);
}
.why-us-header {
  text-align: center;
  margin-bottom: 48px;
}
.why-us-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}
.why-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  transition: transform var(--transition);
}
.why-item:hover {
  transform: translateX(4px);
}
.why-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(126, 200, 227, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ice);
  font-size: 18px;
  flex-shrink: 0;
}
.why-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.why-desc {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ============================================
   BRANDS
   ============================================ */
.brands {
  background: var(--navy);
  text-align: center;
}
.brands-header {
  margin-bottom: 40px;
}
.brands-list {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: clamp(24px, 4vw, 56px);
  flex-wrap: wrap;
  opacity: 0.5;
  font-size: clamp(16px, 2.5vw, 22px);
  font-weight: 600;
  color: var(--text-secondary);
}

/* ============================================
   CTA
   ============================================ */
.cta-section {
  background: linear-gradient(135deg, var(--navy-light) 0%, var(--blue-accent) 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(126, 200, 227, 0.12) 0%, transparent 70%);
}
.cta-section .section-title {
  margin-bottom: 16px;
}
.cta-description {
  font-size: 16px;
  color: var(--ice-pale);
  margin-bottom: 32px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}
.cta-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #25D366;
  color: #fff;
  padding: 16px 36px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 16px;
  transition: transform var(--transition), box-shadow var(--transition);
  border: none;
  cursor: pointer;
}
.cta-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.3);
}
.cta-whatsapp svg {
  width: 22px;
  height: 22px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--navy-deep);
  padding: 40px 0;
}
.footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-logo {
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.footer-logo-text {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}
.footer-logo-sub {
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--ice);
  text-transform: uppercase;
}
.footer-location {
  font-size: 13px;
  color: var(--text-muted);
}
.footer-copy {
  font-size: 12px;
  color: var(--text-muted);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.active {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 22, 40, 0.98);
    backdrop-filter: blur(20px);
    justify-content: center;
    align-items: center;
    gap: 24px;
    z-index: 999;
  }
  .nav-links.active a {
    font-size: 20px;
    color: var(--text-primary);
  }
  .hamburger { display: flex; z-index: 1001; }

  .services-grid { grid-template-columns: 1fr; }
  .why-us-grid { grid-template-columns: 1fr; }
  .trust-bar .container { gap: 24px; }
  .footer .container {
    flex-direction: column;
    text-align: center;
  }
  .hero { min-height: 90vh; }
}

@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  .btn-primary, .btn-secondary {
    width: 100%;
    justify-content: center;
    max-width: 280px;
  }
}

/* ============================================
   ANIMATIONS (GSAP targets)
   ============================================ */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
}
.fade-in {
  opacity: 0;
}
.slide-left {
  opacity: 0;
  transform: translateX(-30px);
}
.slide-right {
  opacity: 0;
  transform: translateX(30px);
}