/* ============================================================
   AS Media Hub — WhatsApp API landing
   Tokens → base → components → sections → responsive
   ============================================================ */
:root{
  --bg:#f6faf8; --surface:#ffffff; --surface-2:#eef4f1;
  --text:#0c1a15; --muted:#586b63; --line:#e4ece8;
  --accent:#10b981; --accent-strong:#0d9668; --accent-ink:#065f46;
  --accent-soft:#e7f7f0; --ring:rgba(16,185,129,.30);
  --shadow-sm:0 1px 2px rgba(12,26,21,.05);
  --shadow:0 2px 8px rgba(12,26,21,.05),0 14px 34px rgba(12,26,21,.07);
  --radius:16px; --radius-sm:11px;
  --maxw:1120px;
  --font-d:"Sora",system-ui,sans-serif;
  --font-b:"Inter",system-ui,sans-serif;
}
[data-theme="dark"]{
  --bg:#0a1310; --surface:#101c17; --surface-2:#152521;
  --text:#e9f1ed; --muted:#93a89f; --line:#20302a;
  --accent:#25c98f; --accent-strong:#17b57e; --accent-ink:#a7f3d0;
  --accent-soft:#132420; --ring:rgba(37,201,143,.32);
  --shadow-sm:0 1px 2px rgba(0,0,0,.3);
  --shadow:0 2px 8px rgba(0,0,0,.28),0 16px 40px rgba(0,0,0,.40);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0a1310; --surface:#101c17; --surface-2:#152521;
    --text:#e9f1ed; --muted:#93a89f; --line:#20302a;
    --accent:#25c98f; --accent-strong:#17b57e; --accent-ink:#a7f3d0;
    --accent-soft:#132420; --ring:rgba(37,201,143,.32);
    --shadow-sm:0 1px 2px rgba(0,0,0,.3);
    --shadow:0 2px 8px rgba(0,0,0,.28),0 16px 40px rgba(0,0,0,.40);
  }
}

/* ---------- base ---------- */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-b);background:var(--bg);color:var(--text);
  line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
h1,h2,h3,h4{font-family:var(--font-d);line-height:1.15;letter-spacing:-.02em;font-weight:700}
section[id]{scroll-margin-top:78px}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}
.wrap.narrow{max-width:760px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-b);font-weight:600;font-size:15px;
  padding:11px 20px;border-radius:12px;border:1px solid transparent;
  cursor:pointer;transition:transform .15s,box-shadow .2s,background .2s,border-color .2s;white-space:nowrap;
}
.btn svg{width:18px;height:18px}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:#04120c;box-shadow:0 1px 0 rgba(255,255,255,.25) inset,0 6px 18px var(--ring)}
.btn-primary:hover{background:var(--accent-strong)}
.btn-ghost{background:var(--surface);color:var(--text);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent-strong)}
.btn-lg{padding:14px 26px;font-size:16px;border-radius:13px}
.block{width:100%}
.btn.on-dark{background:transparent;color:#eafff6;border-color:rgba(255,255,255,.35)}
.btn.on-dark:hover{background:rgba(255,255,255,.10);border-color:#fff;color:#fff}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:60;background:color-mix(in srgb,var(--bg) 82%,transparent);
  backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid transparent;transition:border-color .2s,box-shadow .2s}
.nav.scrolled{border-color:var(--line);box-shadow:var(--shadow-sm)}
.nav-inner{display:flex;align-items:center;gap:20px;height:66px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-d);font-weight:700;font-size:17px}
.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--accent),var(--accent-strong));color:#04120c;font-size:13px;font-weight:800}
.nav-links{display:flex;gap:26px;margin-left:14px;flex:1}
.nav-links a{color:var(--muted);font-weight:500;font-size:15px;transition:color .15s}
.nav-links a:hover{color:var(--text)}
.nav-actions{display:flex;align-items:center;gap:10px}
.icon-btn{display:grid;place-items:center;width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);color:var(--muted);cursor:pointer;transition:color .15s,border-color .15s}
.icon-btn:hover{color:var(--text);border-color:var(--accent)}
.icon-btn svg{width:19px;height:19px}
.i-moon{display:none}
[data-theme="dark"] .i-sun{display:none}[data-theme="dark"] .i-moon{display:block}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .i-sun{display:none}:root:not([data-theme="light"]) .i-moon{display:block}}
.hamb{display:none;flex-direction:column;gap:5px;width:40px;height:38px;padding:9px 8px;border:1px solid var(--line);
  border-radius:10px;background:var(--surface);cursor:pointer}
.hamb span{height:2px;background:var(--text);border-radius:2px;transition:transform .25s,opacity .2s}
.hamb.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamb.open span:nth-child(2){opacity:0}
.hamb.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- mobile menu ---------- */
.overlay{position:fixed;inset:0;background:rgba(6,16,12,.5);z-index:55;opacity:0;transition:opacity .25s}
.overlay.show{opacity:1}
.mobile-menu{position:fixed;top:0;right:0;height:100%;width:min(82vw,320px);z-index:58;
  background:var(--surface);border-left:1px solid var(--line);box-shadow:var(--shadow);
  transform:translateX(100%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  padding:84px 22px 22px;display:flex;flex-direction:column;gap:6px}
.mobile-menu.open{transform:translateX(0)}
.mobile-menu nav{display:flex;flex-direction:column}
.mobile-menu nav a{padding:14px 6px;font-weight:600;font-size:16px;border-bottom:1px solid var(--line)}
.mobile-cta{display:flex;flex-direction:column;gap:10px;margin-top:18px}

/* ---------- hero ---------- */
.hero{position:relative;padding:64px 0 40px}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;
  background:radial-gradient(680px 340px at 78% -8%,var(--accent-soft),transparent 70%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--accent-strong);
  background:var(--accent-soft);border:1px solid color-mix(in srgb,var(--accent) 22%,transparent);
  padding:6px 13px;border-radius:20px}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px var(--ring)}
.hero h1{font-size:clamp(2rem,5vw,3.35rem);font-weight:800;margin:18px 0 14px}
.lead{font-size:clamp(1rem,2.2vw,1.16rem);color:var(--muted);max-width:520px}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.hero-btns.center{justify-content:center}
.hero-trust{list-style:none;display:flex;gap:18px;flex-wrap:wrap;margin-top:20px;font-size:13.5px;color:var(--muted)}

/* hero terminal card */
.hero-card{display:flex;flex-direction:column;gap:10px}
.term{position:relative;background:#0c1a15;border:1px solid #1e3129;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.term-bar{display:flex;align-items:center;gap:7px;padding:12px 14px;background:#0a1613;border-bottom:1px solid #1e3129}
.term-bar span{width:11px;height:11px;border-radius:50%;background:#2b4139}
.term-bar span:first-child{background:#ff5f56}.term-bar span:nth-child(2){background:#ffbd2e}.term-bar span:nth-child(3){background:#27c93f}
.term-bar em{margin-left:8px;font-style:normal;font-size:12px;color:#6f8a80;font-family:var(--font-b)}
.term-body{padding:16px;overflow-x:auto;font-family:ui-monospace,"SF Mono",Menlo,monospace;font-size:12.5px;line-height:1.7;color:#c7f9e6;white-space:pre}
.copy-btn{position:absolute;top:46px;right:12px;background:rgba(255,255,255,.08);color:#cdeee0;
  border:1px solid rgba(255,255,255,.16);border-radius:8px;padding:5px 11px;font-size:12px;font-weight:600;cursor:pointer;transition:background .15s}
.copy-btn:hover{background:rgba(255,255,255,.16)}
.hero-card-foot{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding-left:4px}
.ok-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px var(--ring)}

/* ---------- trust strip ---------- */
.strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface);margin-top:26px}
.strip-inner{display:flex;align-items:center;gap:26px;flex-wrap:wrap;justify-content:center;padding:18px 22px}
.strip-inner span{font-size:12px;text-transform:uppercase;letter-spacing:.14em;color:var(--muted)}
.strip-inner b{font-family:var(--font-d);font-weight:700;color:var(--muted);font-size:16px;opacity:.85}

/* ---------- generic section ---------- */
.section{padding:74px 0}
.section.alt{background:var(--surface)}
.head{max-width:620px;margin:0 auto 46px;text-align:center}
.kicker{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-strong);margin-bottom:12px}
.head h2{font-size:clamp(1.6rem,3.4vw,2.3rem)}
.head .sub{color:var(--muted);margin-top:12px;font-size:1.02rem}

/* ---------- how it works ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:s}
.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow-sm);position:relative}
.step-n{display:grid;place-items:center;width:38px;height:38px;border-radius:11px;background:var(--accent-soft);
  color:var(--accent-strong);font-family:var(--font-d);font-weight:800;margin-bottom:16px}
.step h3{font-size:1.12rem;margin-bottom:8px}
.step p{color:var(--muted);font-size:.96rem}
.step:not(:last-child)::after{content:"";position:absolute;top:44px;right:-13px;width:26px;height:1px;background:var(--line)}

/* ---------- features grid ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);transition:transform .18s,box-shadow .2s,border-color .2s}
.feat:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:color-mix(in srgb,var(--accent) 30%,var(--line))}
.feat-ic{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:var(--accent-soft);color:var(--accent-strong);margin-bottom:15px}
.feat-ic svg{width:22px;height:22px}
.feat h3{font-size:1.06rem;margin-bottom:6px}
.feat p{color:var(--muted);font-size:.94rem}

/* ---------- api key highlight ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split-copy h2{font-size:clamp(1.5rem,3vw,2.1rem);margin-bottom:14px}
.split-copy .sub{color:var(--muted);margin-bottom:20px}
.ticks{list-style:none;display:grid;gap:11px;margin-bottom:26px}
.ticks li{position:relative;padding-left:28px;color:var(--text);font-weight:500}
.ticks li::before{content:"";position:absolute;left:0;top:4px;width:18px;height:18px;border-radius:50%;
  background:var(--accent-soft);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2310b981' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E");
  background-size:12px;background-repeat:no-repeat;background-position:center}
.creds{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.creds-row{display:flex;align-items:center;gap:10px;padding:13px 0;border-bottom:1px solid var(--line)}
.creds-row .k{width:118px;flex:0 0 118px;font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.creds-row code{flex:1;min-width:0;font-family:ui-monospace,Menlo,monospace;font-size:13px;color:var(--accent-ink);
  background:var(--surface-2);padding:7px 10px;border-radius:8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mini{flex:0 0 auto;background:none;border:1px solid var(--line);color:var(--muted);border-radius:8px;padding:6px 10px;font-size:12px;font-weight:600;cursor:pointer;transition:color .15s,border-color .15s}
.mini:hover{color:var(--accent-strong);border-color:var(--accent)}
.creds-note{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding-top:14px}

/* ---------- api example ---------- */
.code-2{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:900px;margin:0 auto}
.code-card{background:#0c1a15;border:1px solid #1e3129;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.code-top{display:flex;align-items:center;gap:10px;padding:12px 14px;border-bottom:1px solid #1e3129;font-family:ui-monospace,Menlo,monospace;font-size:13px}
.code-top .verb{font-weight:800;color:#04120c;background:var(--accent);padding:2px 8px;border-radius:6px;font-size:11px;letter-spacing:.03em}
.code-top .verb.ok{background:#2b8a5f;color:#eafff6}
.code-top .path{color:#8fb3a7;flex:1}
.code-top .copy-btn{position:static}
.code-card pre{padding:16px;overflow-x:auto;font-family:ui-monospace,Menlo,monospace;font-size:12.5px;line-height:1.7;color:#c7f9e6;white-space:pre}

/* ---------- pricing ---------- */
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:start;max-width:980px;margin:0 auto}
.tier{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:28px 26px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;transition:transform .18s,box-shadow .2s}
.tier:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.tier h3{font-size:1.15rem;margin-bottom:6px}
.tier .price{font-family:var(--font-d);font-weight:800;font-size:2.5rem;margin:6px 0 2px;letter-spacing:-.03em}
.tier .price span{font-size:.95rem;font-weight:600;color:var(--muted);letter-spacing:0}
.tier-sub{color:var(--muted);font-size:.92rem;margin-bottom:18px}
.tier ul{list-style:none;display:grid;gap:11px;margin-bottom:24px;flex:1}
.tier ul li{position:relative;padding-left:26px;font-size:.95rem}
.tier ul li::before{content:"";position:absolute;left:0;top:3px;width:17px;height:17px;border-radius:50%;background:var(--accent-soft);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2310b981' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E");
  background-size:11px;background-repeat:no-repeat;background-position:center}
.tier.featured{border-color:var(--accent);box-shadow:0 20px 50px var(--ring);transform:translateY(-6px)}
.tier.featured:hover{transform:translateY(-9px)}
.tier-badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--accent);color:#04120c;
  font-size:11.5px;font-weight:700;padding:5px 14px;border-radius:20px;white-space:nowrap;letter-spacing:.02em}

/* ---------- testimonials ---------- */
.quote{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:18px}
.quote blockquote{font-size:1.02rem;line-height:1.6}
.quote figcaption{display:flex;align-items:center;gap:12px}
.quote .av{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent-strong));color:#04120c;font-weight:800;font-size:14px;flex:0 0 auto}
.quote figcaption b{display:block;font-size:.95rem}
.quote figcaption small{color:var(--muted);font-size:.85rem}

/* ---------- chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:11px;justify-content:center;max-width:820px;margin:0 auto}
.chips span{background:var(--surface);border:1px solid var(--line);color:var(--text);font-weight:600;font-size:14px;padding:9px 17px;border-radius:22px;box-shadow:var(--shadow-sm);transition:border-color .15s,color .15s}
.chips span:hover{border-color:var(--accent);color:var(--accent-strong)}

/* ---------- faq ---------- */
.faq{display:grid;gap:12px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:0 18px;transition:border-color .15s,box-shadow .2s}
.faq details[open]{border-color:color-mix(in srgb,var(--accent) 34%,var(--line));box-shadow:var(--shadow-sm)}
.faq summary{list-style:none;cursor:pointer;font-weight:600;font-size:1.02rem;padding:17px 0;display:flex;align-items:center;justify-content:space-between;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary i{flex:0 0 auto;width:20px;height:20px;position:relative}
.faq summary i::before,.faq summary i::after{content:"";position:absolute;background:var(--accent-strong);border-radius:2px;transition:transform .25s}
.faq summary i::before{top:9px;left:2px;width:16px;height:2px}
.faq summary i::after{top:2px;left:9px;width:2px;height:16px}
.faq details[open] summary i::after{transform:rotate(90deg);opacity:0}
.faq details p{color:var(--muted);padding:0 0 18px;font-size:.97rem;margin-top:-4px}

/* ---------- cta band ---------- */
.cta-band{background:linear-gradient(135deg,#0d9668,#0a6f4e);color:#eafff6;text-align:center;padding:64px 0}
.cta-inner{max-width:640px;margin:0 auto}
.cta-band h2{font-size:clamp(1.7rem,3.6vw,2.4rem);color:#fff}
.cta-band p{color:#c9f2e2;margin:12px auto 26px;max-width:460px}
.cta-band .btn-primary{background:#fff;color:#0a6f4e}
.cta-band .btn-primary:hover{background:#eafff6}

/* ---------- footer ---------- */
.footer{background:var(--surface);border-top:1px solid var(--line);padding:52px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px}
.foot-tag{color:var(--muted);font-size:.92rem;margin-top:12px;max-width:280px}
.foot-col h4{font-size:.82rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:14px}
.foot-col a{display:block;color:var(--text);font-size:.94rem;padding:5px 0;transition:color .15s}
.foot-col a:hover{color:var(--accent-strong)}
.foot-bottom{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:34px;padding-top:22px;border-top:1px solid var(--line);color:var(--muted);font-size:.86rem}

/* ---------- toast ---------- */
.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);background:var(--text);color:var(--bg);
  padding:11px 20px;border-radius:11px;font-size:14px;font-weight:600;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;z-index:80}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- reveal animation ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
.reveal[data-delay="1"]{transition-delay:.09s}
.reveal[data-delay="2"]{transition-delay:.18s}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

/* ---------- responsive ---------- */
@media (max-width:940px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .lead{max-width:none}
  .split{grid-template-columns:1fr;gap:30px}
  .steps,.grid-3,.pricing,.code-2{grid-template-columns:1fr}
  .step:not(:last-child)::after{display:none}
  .tier.featured{transform:none}.tier.featured:hover{transform:translateY(-3px)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .nav-links{display:none}
  .hide-sm{display:none}
  .hamb{display:flex}
  .section{padding:56px 0}
  .head{margin-bottom:34px}
  .grid-3{gap:14px}
  .foot-grid{grid-template-columns:1fr;gap:22px}
  .foot-bottom{justify-content:center;text-align:center}
}
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none;transition:none}
  .btn,.feat,.tier{transition:none}
}