/* ===========================
   IAAFL — Premium Landing CSS
=========================== */
:root{
  --bg:#0b0d10;
  --bg-2:#111418;
  --surface:#ffffff;
  --soft:#f5f3ee;
  --text:#0e1116;
  --text-soft:#4a5260;
  --muted:#8a8f99;
  --line:rgba(255,255,255,.08);
  --line-dark:rgba(0,0,0,.08);
  --accent:#c8a25a;       /* textile gold */
  --accent-2:#e8d3a3;
  --accent-deep:#7a5a26;
  --indigo:#3b4a8a;
  --grad: linear-gradient(135deg, #c8a25a 0%, #e8d3a3 50%, #c8a25a 100%);
  --grad-dark: linear-gradient(135deg, #1a1d23 0%, #0b0d10 100%);
  --shadow-sm: 0 4px 14px rgba(0,0,0,.06);
  --shadow-md: 0 12px 40px rgba(0,0,0,.08);
  --shadow-lg: 0 30px 80px rgba(0,0,0,.18);
  --radius: 18px;
  --container: 1420px;
  --ease: cubic-bezier(.2,.7,.2,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  color:var(--text);
  background:var(--surface);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none}

.container{max-width:var(--container);margin:0 auto;padding:0 28px;width:100%}

/* ---------- Reusable ---------- */
.grad-text{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.section{padding:140px 0;position:relative}
.section-dark{background:var(--bg);color:#fff}
.section-soft{background:var(--soft)}
.section-head{max-width:780px;margin:0 auto 70px;text-align:center}
.section-tag{
  display:inline-block;font-size:12px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--accent-deep);padding:8px 14px;border:1px solid rgba(200,162,90,.35);
  border-radius:999px;margin-bottom:20px;background:rgba(200,162,90,.06);
}
.section-tag.light{color:var(--accent-2);border-color:rgba(232,211,163,.3);background:rgba(232,211,163,.05)}
.section-title{
  font-family:'Playfair Display',serif;font-weight:700;
  font-size:clamp(2rem,4.2vw,3.6rem);line-height:1.1;letter-spacing:-.02em;
}
.section-title.light{color:#fff}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:16px 28px;border-radius:999px;font-weight:600;font-size:15px;
  transition:all .35s var(--ease);border:1px solid transparent;cursor:pointer;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#1a1208;box-shadow:0 14px 40px -12px rgba(200,162,90,.6)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 22px 50px -10px rgba(200,162,90,.7)}
.btn-ghost{background:rgba(255,255,255,.06);color:#fff;border-color:rgba(255,255,255,.18);backdrop-filter:blur(10px)}
.btn-ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-3px)}
.btn-outline{background:transparent;border-color:var(--text);color:var(--text);margin-top:24px}
.btn-outline:hover{background:var(--text);color:#fff;transform:translateY(-2px)}
.btn-glow{
  background:var(--grad);color:#1a1208;position:relative;
  box-shadow:0 0 0 0 rgba(200,162,90,.55);
  animation:pulseGlow 2.4s var(--ease) infinite;
}
.btn-glow:hover{transform:translateY(-3px) scale(1.02)}
@keyframes pulseGlow{
  0%,100%{box-shadow:0 0 0 0 rgba(200,162,90,.55),0 14px 40px -10px rgba(200,162,90,.6)}
  50%{box-shadow:0 0 0 16px rgba(200,162,90,0),0 18px 50px -10px rgba(200,162,90,.8)}
}

/* ---------- Navbar ---------- */
.navbar{
  position:fixed;top:0;left:0;right:0;z-index:50;
  padding:18px 0;transition:all .4s var(--ease);
  background:rgba(11,13,16,0);backdrop-filter:blur(0);
}
.navbar.scrolled{
  background:rgba(11,13,16,.78);backdrop-filter:blur(20px) saturate(140%);
  border-bottom:1px solid var(--line);padding:12px 0;
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;letter-spacing:.02em}
.logo-mark{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:var(--grad);color:#1a1208;
}
.logo-text{font-size:18px}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{color:rgba(255,255,255,.78);font-size:14px;font-weight:500;position:relative;transition:color .3s}
.nav-links a:not(.nav-cta)::after{
  content:"";position:absolute;left:0;bottom:-6px;width:0;height:1px;background:var(--accent);transition:width .3s var(--ease);
}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after{width:100%}
.nav-cta{
  background:var(--grad);color:#1a1208 !important;padding:10px 20px;border-radius:999px;
}
.nav-cta:hover{transform:translateY(-2px)}
.hamburger{display:none;background:transparent;border:0;width:40px;height:40px;flex-direction:column;justify-content:center;gap:5px;cursor:pointer}
.hamburger span{display:block;height:2px;background:#fff;border-radius:2px;transition:all .3s}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  background:var(--grad-dark);color:#fff;overflow:hidden;padding:140px 0 80px;
}
.hero-bg{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.weave{
  position:absolute;inset:-20%;
  background-image:
    repeating-linear-gradient(45deg, rgba(200,162,90,.06) 0 1px, transparent 1px 14px),
    repeating-linear-gradient(-45deg, rgba(232,211,163,.05) 0 1px, transparent 1px 14px);
  animation:weaveMove 30s linear infinite;
}
@keyframes weaveMove{to{transform:translate(40px,40px)}}
.glow{position:absolute;border-radius:50%;filter:blur(120px);opacity:.55;animation:floatGlow 12s var(--ease) infinite}
.glow-1{width:520px;height:520px;background:#c8a25a;top:-120px;left:-120px}
.glow-2{width:600px;height:600px;background:#3b4a8a;bottom:-180px;right:-160px;animation-delay:-4s}
.glow-3{width:380px;height:380px;background:#e8d3a3;top:30%;right:20%;opacity:.25;animation-delay:-8s}
@keyframes floatGlow{50%{transform:translate(40px,-30px) scale(1.08)}}
.float-shape{position:absolute;border:1px solid rgba(232,211,163,.18);border-radius:30%;animation:spinSlow 26s linear infinite}
.s1{width:160px;height:160px;top:18%;right:10%}
.s2{width:90px;height:90px;bottom:20%;left:8%;animation-direction:reverse;border-radius:50%}
.s3{width:220px;height:220px;bottom:-60px;right:30%;border-radius:40%;opacity:.5}
@keyframes spinSlow{to{transform:rotate(360deg)}}

.hero-inner{position:relative;z-index:2;max-width:1100px}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.28em;text-transform:uppercase;
  color:var(--accent-2);padding:8px 16px;border:1px solid rgba(232,211,163,.3);
  border-radius:999px;margin-bottom:28px;backdrop-filter:blur(8px);background:rgba(255,255,255,.03);
}
.hero-title{
  font-family:'Playfair Display',serif;font-weight:700;
  font-size:clamp(2.5rem,6.5vw,5.6rem);line-height:1.05;letter-spacing:-.025em;margin-bottom:28px;
}
.hero-sub{font-size:clamp(1rem,1.4vw,1.18rem);color:rgba(255,255,255,.72);max-width:680px;margin-bottom:40px}
.hero-ctas{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:60px}
.hero-meta{display:flex;flex-wrap:wrap;gap:48px;padding-top:36px;border-top:1px solid rgba(255,255,255,.08)}
.hero-meta div{display:flex;flex-direction:column}
.hero-meta strong{font-family:'Playfair Display',serif;font-size:2rem;color:#fff}
.hero-meta span{font-size:13px;color:rgba(255,255,255,.55);letter-spacing:.08em;text-transform:uppercase}

.scroll-cue{
  position:absolute;bottom:30px;left:50%;transform:translateX(-50%);z-index:2;
  width:24px;height:40px;border:1px solid rgba(255,255,255,.3);border-radius:14px;display:grid;place-items:start center;padding-top:8px;
}
.scroll-cue span{display:block;width:2px;height:8px;background:#fff;border-radius:2px;animation:scrollDot 1.8s var(--ease) infinite}
@keyframes scrollDot{0%{transform:translateY(0);opacity:1}80%{transform:translateY(14px);opacity:0}100%{opacity:0}}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.about-copy p{color:var(--text-soft);margin-top:18px;font-size:1.02rem}
.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.stat-card{
  padding:28px;border-radius:var(--radius);background:#fff;
  border:1px solid var(--line-dark);box-shadow:var(--shadow-sm);
  transition:all .4s var(--ease);
}
.stat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:rgba(200,162,90,.3)}
.stat-icon{font-size:28px;margin-bottom:14px}
.stat-card h3{font-size:1.05rem;margin-bottom:6px;font-weight:700}
.stat-card p{color:var(--text-soft);font-size:.92rem}

/* ---------- Services ---------- */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.service-card{
  position:relative;padding:40px 32px;border-radius:var(--radius);
  background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.015));
  border:1px solid var(--line);overflow:hidden;
  transition:all .5s var(--ease);
}
.service-card::before{
  content:"";position:absolute;inset:0;background:var(--grad);opacity:0;transition:opacity .5s;z-index:0;
}
.service-card:hover{transform:translateY(-8px);border-color:rgba(232,211,163,.4)}
.service-card:hover::before{opacity:.08}
.service-card > *{position:relative;z-index:1}
.svc-num{font-family:'Playfair Display',serif;font-size:2.4rem;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:14px}
.service-card h3{font-size:1.4rem;margin-bottom:10px;font-weight:700;color:#fff}
.service-card p{color:rgba(255,255,255,.65);font-size:.96rem}

/* ---------- Workflow ---------- */
.workflow{
  position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:20px;
  padding:40px 0;margin-top:20px;
}
.wf-line{
  position:absolute;left:8%;right:8%;top:50%;height:2px;
  background:linear-gradient(90deg,transparent,var(--accent),transparent);
  transform:translateY(-50%);
}
.wf-line::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,#fff,transparent);
  animation:flow 3s linear infinite;width:30%;
}
@keyframes flow{0%{transform:translateX(-100%)}100%{transform:translateX(400%)}}
.wf-step{position:relative;text-align:center;background:#fff;padding:14px 8px;border-radius:14px}
.wf-dot{
  width:64px;height:64px;border-radius:50%;background:var(--grad);
  color:#1a1208;font-weight:800;font-size:1.3rem;display:grid;place-items:center;
  margin:0 auto 14px;box-shadow:0 12px 30px -10px rgba(200,162,90,.5);
  transition:transform .4s var(--ease);
}
.wf-step:hover .wf-dot{transform:scale(1.08) rotate(-6deg)}
.wf-step h4{font-size:1rem;font-weight:700}
.wf-step p{font-size:.85rem;color:var(--muted)}

/* ---------- Why ---------- */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.why-card{
  padding:34px 28px;border-radius:var(--radius);background:#fff;
  border:1px solid var(--line-dark);transition:all .4s var(--ease);position:relative;overflow:hidden;
}
.why-card::after{
  content:"";position:absolute;left:0;top:0;width:3px;height:0;background:var(--grad);transition:height .4s var(--ease);
}
.why-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.why-card:hover::after{height:100%}
.why-card h3{font-size:1.15rem;margin-bottom:8px;font-weight:700}
.why-card p{color:var(--text-soft);font-size:.96rem}

/* ---------- CTA Banner ---------- */
.cta-banner{
  position:relative;padding:120px 0;background:var(--bg);color:#fff;overflow:hidden;text-align:center;
}
.cta-bg{
  position:absolute;inset:0;
  background:
    radial-gradient(circle at 20% 30%, rgba(200,162,90,.35), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(59,74,138,.4), transparent 55%),
    var(--bg);
  animation:bgShift 14s var(--ease) infinite alternate;
}
@keyframes bgShift{to{background-position:30% 50%, 70% 30%, 0 0}}
.cta-inner{position:relative;z-index:1;max-width:780px;margin:0 auto}
.cta-inner h2{font-family:'Playfair Display',serif;font-size:clamp(2rem,4.5vw,3.4rem);line-height:1.1;margin-bottom:18px}
.cta-inner p{color:rgba(255,255,255,.72);margin-bottom:34px;font-size:1.1rem}

/* ---------- Footer ---------- */
.footer{background:#08090b;color:rgba(255,255,255,.7);padding:80px 0 30px;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:50px;margin-bottom:50px}
.logo-light{color:#fff}
.foot-desc{margin-top:18px;font-size:.95rem;max-width:340px;color:rgba(255,255,255,.55)}
.footer h4{color:#fff;font-size:.9rem;letter-spacing:.18em;text-transform:uppercase;margin-bottom:18px}
.footer a:hover{color:var(--accent-2)}
.footer ul li{margin-bottom:10px}
.footer p{margin-bottom:8px;font-size:.95rem}
.socials{display:flex;gap:10px}
.socials a{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line);transition:all .3s;
}
.socials a:hover{background:var(--grad);color:#1a1208;transform:translateY(-3px)}
.foot-bottom{padding-top:24px;border-top:1px solid var(--line);text-align:center;font-size:.85rem;color:rgba(255,255,255,.45)}

/* ---------- Scroll to top ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:60;
  width:46px;height:46px;border-radius:50%;border:0;cursor:pointer;
  background:var(--grad);color:#1a1208;display:grid;place-items:center;
  box-shadow:0 12px 30px -10px rgba(200,162,90,.6);
  opacity:0;pointer-events:none;transform:translateY(20px);transition:all .4s var(--ease);
}
.to-top.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.to-top:hover{transform:translateY(-3px) scale(1.05)}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease), transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .section{padding:100px 0}
  .about-grid{grid-template-columns:1fr;gap:50px}
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
}
@media (max-width:768px){
  .nav-links{
    position:fixed;top:0;right:0;height:100vh;width:80%;max-width:340px;
    background:rgba(11,13,16,.96);backdrop-filter:blur(20px);
    flex-direction:column;justify-content:center;gap:28px;
    transform:translateX(100%);transition:transform .4s var(--ease);
    border-left:1px solid var(--line);
  }
  .nav-links.open{transform:translateX(0)}
  .nav-links a{font-size:18px}
  .hamburger{display:flex}
  .hero{min-height:90vh}
  .hero-meta{gap:28px}
  .hero-meta strong{font-size:1.5rem}
  .stats-grid{grid-template-columns:1fr}
  .services-grid{grid-template-columns:1fr}
  .workflow{grid-template-columns:repeat(2,1fr);gap:24px}
  .wf-line{display:none}
  .why-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:80px 0}
  .section-head{margin-bottom:50px}
}