/* ═══════════════════════════════════════════════
   Interasia Supply Chain — Main Stylesheet
   Version: 1.0.0
═══════════════════════════════════════════════ */

:root {
  --black: #0a0a0a;
  --white: #f5f0e8;
  --gold: #c9a84c;
  --gold-light: #e8c96a;
  --rust: #b84a1e;
  --charcoal: #1a1a1a;
  --mid: #2e2e2e;
  --muted: #888;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--white);
  font-family: 'DM Sans', sans-serif;
  overflow-x: hidden;
}

/* ── NOISE OVERLAY ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1000;
  opacity: 0.4;
}

/* ── NAV ── */
#site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 48px;
  background: linear-gradient(to bottom, rgba(10,10,10,0.95) 0%, transparent 100%);
}

.nav-logo {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--gold);
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white);
  text-decoration: none;
  opacity: 0.7;
  transition: opacity 0.2s, color 0.2s;
}

.nav-links a:hover { opacity: 1; color: var(--gold); }

.nav-cta {
  background: var(--gold);
  color: var(--black) !important;
  opacity: 1 !important;
  padding: 10px 22px;
  font-weight: 700 !important;
  transition: background 0.2s !important;
}

.nav-cta:hover { background: var(--gold-light) !important; }

/* ── HERO ── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 0 48px 80px;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 30%, rgba(201,168,76,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 10% 80%, rgba(184,74,30,0.06) 0%, transparent 50%),
    linear-gradient(160deg, #0a0a0a 0%, #111 50%, #0d0d0d 100%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201,168,76,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,168,76,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.5) 30%, rgba(0,0,0,0.2) 70%, transparent 100%);
  mask-image: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.5) 30%, rgba(0,0,0,0.2) 70%, transparent 100%);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid rgba(201,168,76,0.3);
  padding: 8px 16px;
  margin-bottom: 32px;
  width: fit-content;
  animation: fadeUp 0.8s ease both;
}

.hero-badge::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--gold);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero h1 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(60px, 10vw, 130px);
  line-height: 0.9;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  animation: fadeUp 0.8s 0.1s ease both;
  position: relative;
  z-index: 2;
}

.hero h1 .line-gold { color: var(--gold); display: block; }
.hero h1 .line-rust { color: var(--rust); display: block; }

.hero-sub {
  margin-top: 28px;
  max-width: 560px;
  font-size: 17px;
  line-height: 1.65;
  color: rgba(245,240,232,0.7);
  font-weight: 300;
  animation: fadeUp 0.8s 0.2s ease both;
}

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

.hero-actions {
  margin-top: 40px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeUp 0.8s 0.3s ease both;
}

.btn-primary {
  background: var(--gold);
  color: var(--black);
  font-family: 'DM Sans', sans-serif;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 16px 36px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, transform 0.2s;
  display: inline-block;
}

.btn-primary:hover { background: var(--gold-light); transform: translateY(-2px); color: var(--black); }

.btn-ghost {
  border: 1px solid rgba(245,240,232,0.3);
  color: var(--white);
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 16px 36px;
  background: transparent;
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
  display: inline-block;
}

.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }

.hero-stats {
  position: absolute;
  right: 48px;
  bottom: 80px;
  display: flex;
  flex-direction: column;
  gap: 32px;
  animation: fadeUp 0.8s 0.4s ease both;
  z-index: 2;
}

.stat { text-align: right; }
.stat-number {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 42px;
  line-height: 1;
  color: var(--gold);
}
.stat-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ── TICKER ── */
.ticker {
  background: var(--gold);
  color: var(--black);
  padding: 14px 0;
  overflow: hidden;
  white-space: nowrap;
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.ticker-track {
  display: inline-flex;
  animation: ticker 30s linear infinite;
}

.ticker-item {
  padding: 0 48px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.ticker-dot { width: 4px; height: 4px; background: var(--black); border-radius: 50%; opacity: 0.5; }

@keyframes ticker {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ── SECTION BASE ── */
section { padding: 100px 48px; }

.section-label {
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
}

.section-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

/* ── PROBLEM ── */
.problem {
  background: var(--charcoal);
  border-top: 1px solid rgba(201,168,76,0.15);
  border-bottom: 1px solid rgba(201,168,76,0.15);
}

.problem-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.problem-text p {
  font-size: 16px;
  line-height: 1.75;
  color: rgba(245,240,232,0.7);
  font-weight: 300;
  margin-bottom: 20px;
}

.problem-callout {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 28px;
  color: var(--gold);
  line-height: 1.2;
  border-left: 3px solid var(--gold);
  padding-left: 24px;
  margin: 36px 0;
}

.pain-list { list-style: none; display: flex; flex-direction: column; gap: 16px; }

.pain-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 15px;
  color: rgba(245,240,232,0.75);
}

.pain-icon {
  width: 28px; height: 28px;
  background: rgba(184,74,30,0.15);
  border: 1px solid rgba(184,74,30,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 13px;
  margin-top: 2px;
}

/* ── SERVICES ── */
.services {
  max-width: 1200px;
  margin: 0 auto;
}

.services-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 60px;
  flex-wrap: wrap;
  gap: 24px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.service-card {
  background: var(--charcoal);
  padding: 48px 36px;
  border: 1px solid rgba(255,255,255,0.05);
  transition: background 0.3s, border-color 0.3s, transform 0.3s;
  position: relative;
  overflow: hidden;
  cursor: default;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s;
}

.service-card:hover {
  background: rgba(201,168,76,0.05);
  border-color: rgba(201,168,76,0.2);
  transform: translateY(-4px);
}

.service-card:hover::before { transform: scaleX(1); }

.service-num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 80px;
  line-height: 1;
  color: rgba(201,168,76,0.08);
  position: absolute;
  top: 16px; right: 24px;
  letter-spacing: -0.02em;
}

.service-icon {
  font-size: 32px;
  margin-bottom: 24px;
  display: block;
}

.service-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 28px;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
  color: var(--white);
}

.service-desc {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(245,240,232,0.6);
  font-weight: 300;
  margin-bottom: 24px;
}

.service-features { list-style: none; display: flex; flex-direction: column; gap: 8px; }

.service-features li {
  font-size: 13px;
  color: rgba(245,240,232,0.5);
  padding-left: 14px;
  position: relative;
}

.service-features li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--gold);
  font-size: 10px;
}

/* ── WHY US ── */
.why {
  background: linear-gradient(135deg, var(--charcoal) 0%, #111 100%);
  border-top: 1px solid rgba(201,168,76,0.1);
}

.why-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.why-pillars { display: flex; flex-direction: column; gap: 4px; }

.pillar {
  border: 1px solid rgba(255,255,255,0.06);
  padding: 28px 32px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: rgba(255,255,255,0.02);
  transition: background 0.25s, border-color 0.25s;
}

.pillar:hover {
  background: rgba(201,168,76,0.06);
  border-color: rgba(201,168,76,0.25);
}

.pillar-icon { font-size: 22px; flex-shrink: 0; margin-top: 2px; }

.pillar-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 20px;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
  color: var(--gold);
}

.pillar-text {
  font-size: 13.5px;
  line-height: 1.65;
  color: rgba(245,240,232,0.6);
  font-weight: 300;
}

.guarantee-box {
  background: var(--gold);
  color: var(--black);
  padding: 48px;
  position: relative;
  overflow: hidden;
}

.guarantee-box::before {
  content: '"';
  position: absolute;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 300px;
  line-height: 1;
  right: -20px;
  top: -40px;
  opacity: 0.08;
  color: var(--black);
}

.guarantee-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 36px;
  margin-bottom: 20px;
  line-height: 1.1;
}

.guarantee-text {
  font-size: 15px;
  line-height: 1.75;
  opacity: 0.85;
  margin-bottom: 28px;
  font-weight: 300;
}

.guarantee-sig {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.7;
  border-top: 1px solid rgba(0,0,0,0.2);
  padding-top: 20px;
}

/* ── HOW IT WORKS ── */
.how { max-width: 1200px; margin: 0 auto; }

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 60px;
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  top: 32px;
  left: 12%;
  right: 12%;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--gold), transparent);
  opacity: 0.4;
}

.step { text-align: center; padding: 0 20px; }

.step-num {
  width: 64px; height: 64px;
  border: 1px solid rgba(201,168,76,0.4);
  background: var(--charcoal);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 28px;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 24px;
  color: var(--gold);
  position: relative;
  z-index: 1;
}

.step-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 20px;
  letter-spacing: 0.04em;
  margin-bottom: 12px;
  color: var(--white);
}

.step-text {
  font-size: 13px;
  line-height: 1.65;
  color: rgba(245,240,232,0.5);
  font-weight: 300;
}

/* ── CTA ── */
.cta-section {
  background: var(--black);
  border-top: 1px solid rgba(201,168,76,0.15);
  text-align: center;
  padding: 120px 48px;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(201,168,76,0.07) 0%, transparent 70%);
  pointer-events: none;
}

.cta-section .section-title { font-size: clamp(50px, 8vw, 100px); }

.cta-sub {
  font-size: 17px;
  color: rgba(245,240,232,0.6);
  max-width: 500px;
  margin: 0 auto 48px;
  font-weight: 300;
  line-height: 1.65;
}

.cta-group { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ── CONTACT ── */
.contact {
  background: var(--charcoal);
  border-top: 1px solid rgba(201,168,76,0.15);
}

.contact-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-details { display: flex; flex-direction: column; gap: 28px; }

.contact-item { display: flex; gap: 16px; align-items: flex-start; }

.contact-icon {
  width: 40px; height: 40px;
  background: rgba(201,168,76,0.1);
  border: 1px solid rgba(201,168,76,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 16px;
}

.contact-label {
  font-family: 'Space Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 4px;
}

.contact-value {
  font-size: 14px;
  color: rgba(245,240,232,0.8);
  line-height: 1.5;
  font-weight: 300;
}

.contact-form { display: flex; flex-direction: column; gap: 16px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.form-field { display: flex; flex-direction: column; gap: 6px; }

.form-field label {
  font-family: 'Space Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
}

.form-field input,
.form-field select,
.form-field textarea {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--white);
  padding: 14px 16px;
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus { border-color: var(--gold); }

.form-field select option { background: var(--charcoal); color: var(--white); }

.form-field textarea { resize: vertical; min-height: 100px; }

#submit-enquiry { width: 100%; text-align: center; }

#form-msg.success { background: rgba(37,211,102,0.1); border: 1px solid rgba(37,211,102,0.3); color: #25d366; }
#form-msg.error   { background: rgba(184,74,30,0.1);  border: 1px solid rgba(184,74,30,0.3);  color: var(--rust); }

/* ── FOOTER ── */
footer {
  background: var(--black);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 40px 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-brand {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 20px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.footer-copy {
  font-size: 12px;
  color: var(--muted);
  font-family: 'Space Mono', monospace;
  letter-spacing: 0.05em;
}

.footer-reg {
  font-size: 11px;
  color: rgba(136,136,136,0.6);
  font-family: 'Space Mono', monospace;
  text-align: right;
}

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── WHATSAPP FLOAT ── */
.wa-float {
  position: fixed;
  bottom: 32px; right: 32px;
  z-index: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  background: #25d366;
  color: #fff;
  text-decoration: none;
  padding: 14px 20px;
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  box-shadow: 0 8px 30px rgba(37,211,102,0.3);
  transition: transform 0.2s, box-shadow 0.2s;
}

.wa-float:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(37,211,102,0.4);
  color: #fff;
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  #site-nav { padding: 16px 24px; }
  .nav-links { display: none; }
  section { padding: 72px 24px; }
  .hero { padding: 0 24px 72px; }
  .hero-stats { display: none; }
  .problem-inner { grid-template-columns: 1fr; gap: 40px; }
  .services-grid { grid-template-columns: 1fr; }
  .why-inner { grid-template-columns: 1fr; gap: 40px; }
  .steps { grid-template-columns: 1fr 1fr; gap: 40px; }
  .steps::before { display: none; }
  .contact-inner { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }
  footer { flex-direction: column; text-align: center; }
  .footer-reg { text-align: center; }
}

@media (max-width: 480px) {
  .steps { grid-template-columns: 1fr; }
  .hero h1 { font-size: 52px; }
  .wa-float span { display: none; }
}