/* ===========================================
   洲际通 官网 — Tech × Morocco
   Dark tech-forward with Moroccan warmth
   =========================================== */

/* --- Variables --- */
:root {
  --sans: 'Space Grotesk', 'SF Pro Display', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  --arabic: 'Noto Naskh Arabic', serif;

  --bg-deep:    #0a0c10;
  --bg-base:    #0f1117;
  --bg-raised:  #161820;
  --bg-card:    #1a1d26;
  --bg-glass:   rgba(18,20,28,.85);

  --text:       #e8eaef;
  --text-mid:   #9ca0ae;
  --text-muted: #5f6478;

  --accent:     #f0a340;  /* Moroccan amber */
  --accent-alt: #c4883c;
  --accent-red: #c94b3a;  /* Marrakech red */
  --accent-blue: #3b6fb6; /* Chefchaouen blue */
  --accent-teal: #2d9b8c;
  --accent-gold: #e2b04a;

  --border:     rgba(255,255,255,.06);
  --border-lit: rgba(255,255,255,.1);
  --divider:    rgba(255,255,255,.04);

  --radius-sm:  8px;
  --radius-md:  14px;
  --radius-lg:  20px;
  --radius-xl:  28px;
  --radius-2xl: 36px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --- Reset --- */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{
  scroll-behavior:smooth;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  font-size:16px;
  color-scheme:dark;
}
body{
  font-family:var(--sans);
  font-size:16px;
  line-height:1.55;
  font-weight:400;
  letter-spacing:-0.01em;
  color:var(--text);
  background:var(--bg-deep);
  overflow-x:hidden;
}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
button{border:none;background:none;cursor:pointer;font-family:inherit;color:inherit}

/* --- Ambient background --- */
.ambient{
  position:fixed;inset:0;pointer-events:none;z-index:0;
}
.ambient-grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.012) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.012) 1px,transparent 1px);
  background-size:60px 60px;
  mask-image:radial-gradient(ellipse 70% 60% at 50% 40%,black 25%,transparent 70%);
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 40%,black 25%,transparent 70%);
}

/* --- Nav --- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  transition:background .4s,backdrop-filter .4s,border-color .4s;
}
.nav.scrolled{
  background:var(--bg-glass);
  backdrop-filter:saturate(180%) blur(24px);
  -webkit-backdrop-filter:saturate(180%) blur(24px);
  border-bottom:1px solid var(--border);
}
.nav-inner{
  max-width:1280px;margin:0 auto;padding:0 40px;
  height:56px;display:flex;align-items:center;justify-content:space-between;
}
.nav-logo{
  display:flex;align-items:center;gap:8px;
  font-size:18px;font-weight:600;letter-spacing:-0.02em;
  color:var(--text);
}
.nav-logo svg{color:var(--accent);flex-shrink:0}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-link{
  font-size:13px;font-weight:500;color:var(--text-mid);
  letter-spacing:.01em;transition:color .2s;
}
.nav-link:hover{color:var(--text)}
.nav-cta{
  background:var(--accent);color:#0a0c10;padding:8px 20px;
  border-radius:20px;font-weight:600;font-size:13px;
  transition:background .25s,box-shadow .25s;
  box-shadow:0 0 20px rgba(240,163,64,.2);
}
.nav-cta:hover{background:var(--accent-alt);box-shadow:0 0 30px rgba(240,163,64,.35)}

.nav-toggle{display:none;flex-direction:column;gap:5px;width:28px;height:28px;justify-content:center;align-items:center;z-index:1001}
.nav-toggle span{display:block;width:20px;height:1.5px;background:var(--text);border-radius:1px;transition:transform .35s var(--ease-out),opacity .2s}
.nav-toggle.active span:nth-child(1){transform:translateY(3.25px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){transform:translateY(-3.25px) rotate(-45deg)}

/* ── Hero ───────────────────────────────────── */
.hero{
  position:relative;min-height:100vh;
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;z-index:1;
}

/* Photo background */
.hero-bg{
  position:absolute;inset:0;z-index:0;
}
.hero-bg-img{
  position:absolute;inset:0;
  background-image:url('https://images.unsplash.com/photo-1489749798305-4fea3ae63d43?w=1920&q=80');
  background-size:cover;background-position:center 30%;
  filter:saturate(1.1) brightness(.9);
  animation:heroZoom 20s ease-in-out infinite alternate;
  will-change:transform;
}
@keyframes heroZoom{
  0%{transform:scale(1)}
  100%{transform:scale(1.06)}
}

/* Layered overlays for cinematic depth */
.hero-bg-overlay{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(10,12,16,.75) 0%,rgba(10,12,16,.45) 40%,rgba(10,12,16,.65) 100%),
    radial-gradient(ellipse at 30% 50%,rgba(240,163,64,.08) 0%,transparent 60%),
    radial-gradient(ellipse at 70% 30%,rgba(59,111,182,.06) 0%,transparent 50%);
}

/* Subtle scan line effect over the photo */
.hero-bg-scan{
  position:absolute;inset:0;
  background:repeating-linear-gradient(
    0deg,transparent,transparent 2px,rgba(0,0,0,.03) 2px,rgba(0,0,0,.03) 4px
  );
  pointer-events:none;opacity:.5;
}

.hero-body{
  position:relative;z-index:2;width:100%;
  max-width:1280px;margin:0 auto;padding:120px 40px 80px;
}
.hero-content{
  max-width:680px;
}

.hero-chip{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(240,163,64,.12);border:1px solid rgba(240,163,64,.25);
  border-radius:20px;padding:7px 18px;font-size:13px;font-weight:600;
  color:var(--accent);margin-bottom:24px;letter-spacing:.02em;
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.hero-chip-dot{
  width:6px;height:6px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 8px var(--accent);
  animation:pulse 2s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:.4}50%{opacity:1}}

.hero-headline{
  font-size:clamp(40px,7vw,80px);font-weight:700;
  line-height:1.055;letter-spacing:-0.045em;
  color:#fff;margin-bottom:24px;
}
.hero-headline-glow{
  background:linear-gradient(135deg,var(--accent) 0%,#f5c062 35%,var(--accent) 65%,#f5c062 100%);
  background-size:200% auto;
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
  animation:shimmer 5s ease-in-out infinite;
  filter:drop-shadow(0 0 24px rgba(240,163,64,.35));
}
@keyframes shimmer{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}

.hero-summary{
  font-size:18px;line-height:1.8;color:rgba(255,255,255,.7);margin-bottom:36px;
}
.hero-actions{display:flex;align-items:center;gap:16px;margin-bottom:56px}

.btn-primary{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent);color:#0a0c10;
  padding:15px 30px;border-radius:28px;font-size:16px;font-weight:600;
  letter-spacing:-0.01em;
  transition:all .3s var(--ease-out);
  box-shadow:0 0 30px rgba(240,163,64,.3),0 4px 16px rgba(240,163,64,.2);
}
.btn-primary:hover{
  background:#f5c062;
  box-shadow:0 0 48px rgba(240,163,64,.45),0 8px 28px rgba(240,163,64,.25);
  transform:translateY(-2px);
}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  padding:15px 30px;border-radius:28px;font-size:16px;font-weight:500;
  border:1.5px solid rgba(255,255,255,.2);color:rgba(255,255,255,.75);
  transition:all .3s var(--ease-out);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);background:rgba(240,163,64,.06)}

.hero-stats{display:flex;gap:48px}
.hero-stat-num{
  display:block;font-size:36px;font-weight:700;letter-spacing:-0.03em;
  color:#fff;
}
.hero-stat-label{display:block;font-size:13px;color:rgba(255,255,255,.45);margin-top:2px;font-weight:500}


/* --- Section shared --- */
.section-label{
  text-align:center;font-size:11px;font-weight:700;letter-spacing:.14em;
  color:var(--accent);margin-bottom:12px;
}
.section-headline{
  text-align:center;font-size:clamp(32px,5vw,52px);font-weight:700;
  letter-spacing:-0.04em;color:#fff;margin-bottom:64px;line-height:1.1;
}

/* --- Morocco Spotlight --- */
.morocco{padding:120px 40px;position:relative;z-index:1}
.morocco-card{
  max-width:1100px;margin:0 auto;border-radius:var(--radius-2xl);
  background:linear-gradient(135deg,#1a1d26 0%,#1f1a14 40%,#1a1d26 100%);
  border:1px solid var(--border-lit);overflow:hidden;position:relative;
}
.morocco-card-bg{position:absolute;inset:0;pointer-events:none}
.morocco-pattern{
  position:absolute;inset:0;opacity:.04;
  background-image:url("data:image/svg+xml,%3Csvg width='80' height='80' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M40 0l40 40-40 40L0 40z' fill='none' stroke='%23f0a340' stroke-width='.8'/%3E%3Cpath d='M20 20l40 40M60 20L20 60' stroke='%23f0a340' stroke-width='.3'/%3E%3C/svg%3E");
  background-size:80px 80px;
}

.morocco-card-body{padding:64px;position:relative;z-index:1}
.morocco-header{display:flex;align-items:center;gap:20px;margin-bottom:28px}
.morocco-flag{font-size:52px;line-height:1}
.morocco-header h2{font-size:36px;font-weight:700;letter-spacing:-0.03em;color:#fff}
.morocco-sub{font-size:17px;color:var(--text-muted);font-family:var(--arabic);margin-top:4px}
.morocco-desc{font-size:17px;line-height:1.8;color:var(--text-mid);margin-bottom:36px;max-width:800px}

.morocco-features{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:32px}
.moro-feat{
  display:flex;align-items:center;gap:12px;
  background:rgba(255,255,255,.03);border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:14px 18px;font-size:15px;
  color:var(--text-mid);transition:all .3s;
}
.moro-feat:hover{background:rgba(240,163,64,.06);border-color:rgba(240,163,64,.2);color:var(--text)}
.moro-feat-icon{font-size:20px;flex-shrink:0}

.morocco-cities{display:flex;flex-wrap:wrap;gap:8px}
.city-tag{
  padding:8px 16px;border-radius:20px;font-size:13px;font-weight:500;
  background:rgba(255,255,255,.04);border:1px solid var(--border);
  color:var(--text-mid);transition:all .25s;
}
.city-tag.active,.city-tag:hover{
  background:rgba(240,163,64,.12);border-color:rgba(240,163,64,.3);color:var(--accent);
}

/* --- Services --- */
.services{padding:140px 40px;position:relative;z-index:1}
.services-grid{
  max-width:1200px;margin:0 auto;display:grid;
  grid-template-columns:repeat(4,1fr);gap:16px;
}
.svc-card{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:32px 24px;position:relative;overflow:hidden;
  transition:all .4s var(--ease-out);
}
.svc-card:hover{transform:translateY(-4px);border-color:rgba(240,163,64,.25);background:var(--bg-raised)}
.svc-card-glow{
  position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:80%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(240,163,64,.4),transparent);
  opacity:0;transition:opacity .4s;
}
.svc-card:hover .svc-card-glow{opacity:1}

.svc-icon-wrap{
  width:48px;height:48px;border-radius:var(--radius-sm);
  background:rgba(240,163,64,.08);color:var(--accent);
  display:flex;align-items:center;justify-content:center;margin-bottom:20px;
}
.svc-card h3{font-size:19px;font-weight:600;letter-spacing:-0.02em;margin-bottom:10px;color:#fff}
.svc-card p{font-size:14px;color:var(--text-muted);line-height:1.7;margin-bottom:20px}
.svc-meta{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:500;color:var(--accent)}
.svc-divider{color:var(--text-muted)}

/* --- Tech --- */
.tech{padding:140px 40px;position:relative;z-index:1}
.tech-grid{
  max-width:1100px;margin:0 auto;display:grid;
  grid-template-columns:repeat(3,1fr);gap:16px;
}
.tech-card{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:32px;
  transition:all .3s var(--ease-out);
}
.tech-card:hover{border-color:var(--border-lit);background:var(--bg-raised)}
.tech-card-header{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.tech-badge{
  font-size:11px;font-weight:700;letter-spacing:.08em;
  color:var(--accent);background:rgba(240,163,64,.1);
  padding:4px 10px;border-radius:6px;
}
.tech-card h3{font-size:20px;font-weight:600;letter-spacing:-0.02em;color:#fff}
.tech-card>p{font-size:14px;color:var(--text-mid);line-height:1.7;margin-bottom:20px}
.tech-bar{
  height:3px;background:rgba(255,255,255,.06);border-radius:2px;margin-bottom:10px;overflow:hidden;
}
.tech-bar-fill{
  height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-gold));
  border-radius:2px;transition:width 1.5s var(--ease-out);
}
.tech-metric{font-size:12px;color:var(--text-muted);font-weight:500}

/* --- Global --- */
.global{padding:140px 40px;position:relative;z-index:1}
.region-tabs{
  max-width:1100px;margin:0 auto 32px;
  display:flex;justify-content:center;gap:8px;flex-wrap:wrap;
}
.region-tab{
  padding:10px 20px;border-radius:22px;font-size:14px;font-weight:500;
  color:var(--text-mid);border:1px solid var(--border);
  transition:all .25s;
}
.region-tab.active,.region-tab:hover{
  background:rgba(240,163,64,.08);border-color:rgba(240,163,64,.25);color:var(--accent);
}
.region-panels{max-width:1100px;margin:0 auto}
.region-highlight{
  display:flex;align-items:center;gap:16px;
  background:rgba(240,163,64,.06);border:1px solid rgba(240,163,64,.15);
  border-radius:var(--radius-md);padding:20px 24px;margin-bottom:20px;
}
.region-flag{font-size:36px;flex-shrink:0}
.region-highlight strong{display:block;font-size:18px;color:#fff}
.region-highlight p{font-size:14px;color:var(--text-mid);margin-top:2px}
.region-badge{
  margin-left:auto;font-size:11px;font-weight:700;letter-spacing:.08em;
  background:var(--accent);color:#0a0c10;padding:6px 12px;border-radius:8px;
}
.region-row{display:flex;flex-wrap:wrap;gap:8px}
.region-row span{
  padding:10px 18px;border-radius:20px;font-size:14px;font-weight:500;
  background:rgba(255,255,255,.03);border:1px solid var(--border);
  color:var(--text-mid);transition:all .2s;
}
.region-row span:hover{background:rgba(255,255,255,.06);color:var(--text)}

/* --- FAQ --- */
.faq{padding:140px 40px;position:relative;z-index:1}
.faq-list{max-width:740px;margin:0 auto}
details.faq-item{
  border-bottom:1px solid var(--divider);
}
details.faq-item:first-child{border-top:1px solid var(--divider)}

details.faq-item summary{
  list-style:none;cursor:pointer;padding:22px 0;
  font-size:17px;font-weight:500;letter-spacing:-0.01em;color:var(--text);
  display:flex;justify-content:space-between;align-items:center;
  transition:color .2s;
}
details.faq-item summary:hover{color:var(--accent)}
details.faq-item summary::-webkit-details-marker{display:none}
details.faq-item summary::marker{display:none;content:''}

.faq-chevron{color:var(--text-muted);transition:transform .35s var(--ease-out)}
details.faq-item[open] .faq-chevron{transform:rotate(180deg);color:var(--accent)}

.faq-answer{padding:0 0 22px}
.faq-answer p{font-size:15px;color:var(--text-mid);line-height:1.8}

/* --- CTA --- */
.cta{padding:80px 40px 120px;position:relative;z-index:1}
.cta-card{
  max-width:1000px;margin:0 auto;border-radius:var(--radius-2xl);
  background:linear-gradient(135deg,#1a1d26 0%,#1f1a14 40%,#1a1d26 100%);
  border:1px solid rgba(240,163,64,.15);overflow:hidden;position:relative;
}
.cta-card-glow{
  position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:60%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(240,163,64,.5),transparent);
}
.cta-card-inner{padding:72px 64px;position:relative;z-index:1;display:flex;align-items:center;gap:64px}
.cta-text{flex:1}
.cta-kicker{font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--accent);margin-bottom:12px}
.cta-text h2{font-size:44px;font-weight:700;letter-spacing:-0.04em;color:#fff;margin-bottom:16px}
.cta-text>p{font-size:17px;color:var(--text-mid);line-height:1.7;margin-bottom:32px}
.cta-steps{display:flex;align-items:center;gap:16px}
.cta-step{display:flex;align-items:center;gap:10px}
.cta-step-num{
  width:32px;height:32px;border-radius:50%;background:rgba(240,163,64,.12);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;color:var(--accent);
}
.cta-step span:last-child{font-size:15px;color:var(--text-mid);font-weight:500}
.cta-step-arrow{color:var(--text-muted);font-size:18px}

.cta-qr{flex-shrink:0;text-align:center}
.qr-outer{
  width:168px;height:168px;background:#fff;border-radius:var(--radius-md);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  color:#1d1d1f;margin-bottom:12px;
  box-shadow:0 0 40px rgba(240,163,64,.15),0 20px 40px rgba(0,0,0,.4);
}
.qr-label{font-size:12px;color:var(--text-muted);font-weight:500}

/* --- Footer --- */
.footer{padding:60px 40px 32px;position:relative;z-index:1;border-top:1px solid var(--border)}
.footer-inner{max-width:1280px;margin:0 auto}
.footer-top{display:flex;justify-content:space-between;gap:60px;margin-bottom:40px}
.footer-brand{max-width:240px}
.footer-logo{display:flex;align-items:center;gap:8px;font-size:18px;font-weight:600;color:var(--text);margin-bottom:10px}
.footer-logo svg{color:var(--accent)}
.footer-brand p{font-size:13px;color:var(--text-mid);line-height:1.6}
.footer-lang{font-family:var(--arabic);font-size:15px;color:var(--text-muted);margin-top:8px}
.footer-links{display:flex;gap:80px}
.footer-links h4{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--text);margin-bottom:16px;text-transform:uppercase}
.footer-links a{display:block;font-size:13px;color:var(--text-mid);margin-bottom:10px;transition:color .2s}
.footer-links a:hover{color:var(--text)}
.footer-bottom{border-top:1px solid var(--divider);padding-top:20px}
.footer-bottom p{font-size:12px;color:var(--text-muted)}

/* ── Responsive ───────────────────────────── */
@media(max-width:1024px){
  .hero-body{padding:100px 40px 60px}
  .hero-content{max-width:560px}
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .tech-grid{grid-template-columns:1fr 1fr}
  .cta-card-inner{flex-direction:column;text-align:center;gap:40px;padding:56px 36px}
  .cta-steps{justify-content:center}
}

@media(max-width:768px){
  .nav-inner{padding:0 20px}
  .nav-links{
    position:fixed;inset:0;background:rgba(10,12,16,.96);
    backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);
    flex-direction:column;justify-content:center;gap:36px;
    opacity:0;pointer-events:none;transition:opacity .4s;
  }
  .nav-links.active{opacity:1;pointer-events:auto}
  .nav-link{font-size:22px;font-weight:600}
  .nav-toggle{display:flex}

  .hero{padding:0;min-height:auto}
  .hero-body{padding:100px 20px 60px}
  .hero-actions{flex-direction:column;width:100%}
  .btn-primary,.btn-ghost{width:100%;justify-content:center}
  .hero-stats{gap:24px;flex-wrap:wrap}
  .hero-stat-num{font-size:24px}

  .morocco{padding:80px 20px}
  .morocco-card-body{padding:36px 24px}
  .morocco-header{flex-direction:column;align-items:flex-start;gap:12px}
  .morocco-header h2{font-size:28px}
  .morocco-features{grid-template-columns:1fr}

  .services{padding:100px 20px}
  .services-grid{grid-template-columns:1fr;max-width:420px;margin:0 auto}

  .tech{padding:100px 20px}
  .tech-grid{grid-template-columns:1fr;max-width:420px;margin:0 auto}

  .global{padding:100px 20px}
  .region-tabs{gap:6px}
  .region-tab{padding:8px 14px;font-size:13px}
  .region-highlight{flex-wrap:wrap}
  .region-badge{margin-left:0}

  .faq{padding:100px 20px}
  .section-headline{font-size:32px;margin-bottom:40px}

  .cta{padding:60px 20px 100px}
  .cta-card-inner{padding:40px 24px}
  .cta-text h2{font-size:32px}
  .cta-steps{flex-direction:column;gap:8px}
  .cta-step-arrow{display:none}

  .footer{padding:40px 20px 24px}
  .footer-top{flex-direction:column;gap:40px}
  .footer-links{flex-wrap:wrap;gap:40px}
}

@media(max-width:480px){
  .hero-headline{font-size:36px}
  .hero-body{padding:80px 16px 48px}
  .morocco-flag{font-size:40px}
  .section-headline{font-size:26px}
  .services-grid{gap:12px}
}