/* ============================================================
   Seastone Solutions — shared design system
   Tokens lifted from the live seastonesolutions.io build
   ============================================================ */
:root{
  --bg-dark:#0A0A0A;
  --bg-elev:#101211;
  --card:#111413;
  --card-2:#161A18;
  --line:#202623;
  --line-soft:#1A1F1D;

  --accent:#59c9a1;
  --accent-hover:#46b48e;
  --accent-soft:rgba(89,201,161,0.10);
  --accent-line:rgba(89,201,161,0.28);

  --text-white:#FFFFFF;
  --text-muted:#94A3B8;
  --text-dim:#6B7A75;

  --container-width:1280px;
  --container-padding:24px;
  --radius-md:12px;
  --radius-lg:18px;
  --radius-full:9999px;

  --space-xs:8px;
  --space-sm:16px;
  --space-md:32px;
  --space-lg:64px;
  --space-xl:96px;

  --ease-out:cubic-bezier(0.215,0.61,0.355,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg-dark);
  color:var(--text-white);
  font-family:'Plus Jakarta Sans',system-ui,-apple-system,sans-serif;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,.display{font-family:'Space Grotesk','Plus Jakarta Sans',sans-serif;font-weight:700;line-height:1.1;letter-spacing:-0.02em}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.container{max-width:var(--container-width);margin:0 auto;padding:0 var(--container-padding)}
.accent{color:var(--accent)}

/* ---------- ambient glow ---------- */
.bgfx{position:fixed;inset:0;z-index:-1;pointer-events:none}
.bgfx::before{content:"";position:absolute;top:-260px;left:50%;transform:translateX(-50%);
  width:1000px;height:700px;background:radial-gradient(ellipse at center,rgba(89,201,161,0.13),transparent 70%);filter:blur(24px)}
.bgfx::after{content:"";position:absolute;bottom:-10%;right:-12%;width:640px;height:640px;
  background:radial-gradient(circle,rgba(89,201,161,0.07),transparent 70%)}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:100;backdrop-filter:blur(14px);
  background:rgba(10,10,10,0.78);border-bottom:1px solid var(--line-soft)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:72px}
.nav-logo img{height:30px;display:block}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-size:14.5px;color:var(--text-muted);transition:color .2s var(--ease-out)}
.nav-links a:hover,.nav-links a.on{color:var(--text-white)}
.nav-right{display:flex;align-items:center;gap:20px}

/* ---------- buttons ---------- */
.btn{display:inline-block;font-weight:700;font-size:15px;padding:14px 28px;border-radius:8px;
  transition:all .2s var(--ease-out);cursor:pointer;border:1px solid transparent;font-family:'Plus Jakarta Sans',sans-serif}
.btn-primary{background:var(--accent);color:var(--bg-dark)}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--text-white);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-sm{padding:10px 20px;font-size:13.5px;letter-spacing:0.04em;text-transform:uppercase}

/* ---------- pills / eyebrows ---------- */
.pill{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:700;
  letter-spacing:0.14em;text-transform:uppercase;color:var(--accent);
  background:var(--accent-soft);border:1px solid var(--accent-line);
  padding:8px 18px;border-radius:var(--radius-full)}
.eyebrow{font-size:12.5px;font-weight:700;letter-spacing:0.18em;text-transform:uppercase;color:var(--accent);margin-bottom:16px}

/* ---------- sections ---------- */
.section{padding:var(--space-xl) 0;border-top:1px solid var(--line-soft);position:relative}
.section-head{text-align:center;max-width:760px;margin:0 auto var(--space-lg)}
.section-head h2{font-size:clamp(30px,4.2vw,46px)}
.section-head p{color:var(--text-muted);font-size:17.5px;margin-top:18px}
.section-head.left{text-align:left;margin-left:0}

/* ---------- hero ---------- */
.hero{padding:110px 0 90px;text-align:center;position:relative}
.hero h1{font-size:clamp(38px,5.6vw,68px);max-width:17ch;margin:26px auto 0}
.hero p.sub{color:var(--text-muted);font-size:clamp(16px,1.7vw,19px);max-width:68ch;margin:26px auto 0}
.hero p.sub b{color:var(--text-white);font-weight:700}
.hero-cta{display:flex;gap:16px;justify-content:center;margin-top:38px;flex-wrap:wrap}
.scroll-hint{margin-top:64px;font-size:11.5px;letter-spacing:0.22em;color:var(--text-dim)}
.scroll-hint span{display:block;margin-top:8px;animation:bob 1.8s infinite var(--ease-out);font-size:16px}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(6px)}}

/* ---------- KPI ---------- */
.kpi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:44px 32px;text-align:center;transition:.28s var(--ease-out)}
.kpi:hover{border-color:var(--accent-line);transform:translateY(-4px)}
.kpi .tag{font-size:11px;font-weight:700;letter-spacing:0.16em;color:var(--accent);text-transform:uppercase}
.kpi .num{font-family:'Space Grotesk';font-size:clamp(42px,5.4vw,60px);font-weight:700;margin:14px 0 6px;letter-spacing:-0.03em}
.kpi .lbl{color:var(--text-muted);font-size:15px}

/* ---------- generic card grid ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:32px;transition:.28s var(--ease-out)}
.card:hover{border-color:var(--accent-line);transform:translateY(-4px)}
.card .num-badge{font-family:'Space Grotesk';font-size:13px;font-weight:700;color:var(--accent);opacity:.65;letter-spacing:0.1em}
.card h3{font-size:20px;margin:14px 0 12px}
.card p{color:var(--text-muted);font-size:15px}
.card .tag{display:inline-block;margin-top:18px;font-size:12px;color:var(--accent);
  background:var(--accent-soft);border:1px solid var(--accent-line);padding:5px 13px;border-radius:var(--radius-full)}

/* icon tile */
.icon-tile{width:56px;height:56px;border-radius:14px;background:var(--accent-soft);
  border:1px solid var(--accent-line);display:flex;align-items:center;justify-content:center;color:var(--accent)}
.icon-tile svg{width:26px;height:26px}

/* ---------- system (4-step) ---------- */
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:36px;text-align:center;transition:.28s var(--ease-out)}
.step:hover{border-color:var(--accent-line);transform:translateY(-4px)}
.step .week{display:inline-block;font-size:11px;font-weight:700;letter-spacing:0.14em;color:var(--accent);
  background:var(--accent-soft);border:1px solid var(--accent-line);padding:5px 14px;border-radius:var(--radius-full)}
.step .icon-tile{margin:22px auto 0}
.step h3{font-size:22px;margin:20px 0 18px}
.step ul{list-style:none;text-align:left;display:inline-block}
.step li{color:var(--text-muted);font-size:15px;padding:6px 0;display:flex;gap:10px}
.step li::before{content:"→";color:var(--accent);flex-shrink:0}

/* ---------- case study teaser ---------- */
.cs-teaser{background:linear-gradient(150deg,rgba(89,201,161,0.10),rgba(89,201,161,0.02));
  border:1px solid var(--accent-line);border-radius:24px;padding:52px;position:relative;overflow:hidden}
.cs-teaser::before{content:"";position:absolute;top:-140px;right:-60px;width:460px;height:340px;
  background:radial-gradient(ellipse,rgba(89,201,161,0.20),transparent 70%);filter:blur(12px)}
.cs-inner{position:relative;display:grid;grid-template-columns:1.15fr 1fr;gap:48px;align-items:center}
.cs-teaser h2{font-size:clamp(26px,3.3vw,38px);margin:18px 0 0}
.cs-teaser .lede{color:var(--text-muted);font-size:16.5px;margin-top:18px}
.cs-teaser .lede b{color:var(--text-white)}
.cs-client{display:inline-flex;align-items:center;gap:12px;background:#fff;border-radius:10px;padding:7px 14px;margin-bottom:6px}
.cs-client img{height:26px}
.cs-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}
.cs-stats .c{background:var(--bg-elev);padding:26px 22px}
.cs-stats .n{font-family:'Space Grotesk';font-size:30px;font-weight:700}
.cs-stats .n.hl{color:var(--accent)}
.cs-stats .l{font-size:11.5px;letter-spacing:0.1em;text-transform:uppercase;color:var(--text-dim);margin-top:6px}

/* ---------- testimonials ---------- */
.filters{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:44px}
.filters button{font-family:'Plus Jakarta Sans',sans-serif;font-size:13.5px;color:var(--text-muted);
  background:transparent;border:1px solid var(--line);border-radius:var(--radius-full);
  padding:9px 20px;cursor:pointer;transition:.2s var(--ease-out)}
.filters button:hover{color:var(--text-white);border-color:var(--text-dim)}
.filters button.on{color:var(--accent);border-color:var(--accent-line);background:var(--accent-soft)}
.tgrid{columns:3;column-gap:20px}
.t-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px;margin-bottom:20px;break-inside:avoid;transition:.28s var(--ease-out)}
.t-card:hover{border-color:var(--accent-line)}
.t-card .stars{color:var(--accent);font-size:13px;letter-spacing:2px;margin-bottom:14px}
.t-card p{color:var(--text-muted);font-size:15px}
.t-who{display:flex;align-items:center;gap:12px;margin-top:22px;padding-top:20px;border-top:1px solid var(--line)}
.t-av{width:40px;height:40px;border-radius:50%;background:var(--accent-soft);border:1px solid var(--accent-line);
  color:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;flex-shrink:0}
.t-who .nm{font-weight:700;font-size:14.5px}
.t-who .co{color:var(--text-dim);font-size:13px}

/* ---------- calendly / contact ---------- */
.cal-wrap{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:14px;overflow:hidden}
.calendly-inline-widget{border-radius:16px;overflow:hidden}

.point-list{display:grid;gap:18px;margin-top:8px}
.point{display:flex;gap:16px;align-items:flex-start}
.point .chk{width:26px;height:26px;border-radius:50%;background:var(--accent-soft);border:1px solid var(--accent-line);
  color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:13px;flex-shrink:0;margin-top:2px}
.point h4{font-size:16.5px;font-family:'Plus Jakarta Sans';font-weight:700}
.point p{color:var(--text-muted);font-size:14.5px;margin-top:3px}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line-soft);padding:44px 0;color:var(--text-dim);font-size:13.5px}
.foot-in{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:18px}
.foot-in img{height:24px;opacity:.85}
.foot-links{display:flex;gap:24px}
.foot-links a:hover{color:var(--accent)}

/* ---------- reveal animation ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease-out),transform .7s var(--ease-out)}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(max-width:1000px){
  .kpi-grid,.grid-3{grid-template-columns:1fr 1fr}
  .tgrid{columns:2}
  .cs-inner{grid-template-columns:1fr;gap:32px}
  .nav-links{display:none}
}
@media(max-width:640px){
  .kpi-grid,.grid-3,.grid-2{grid-template-columns:1fr}
  .tgrid{columns:1}
  .cs-teaser{padding:32px 24px}
  .section{padding:var(--space-lg) 0}
  .hero{padding:70px 0 60px}
}