/* =========================
   Gi.Ga — Static Site Styles
   ========================= */
:root{
  --bg:#f3f4f3;
  --fg:#1c2228;
  --ink:#1a2026;
  --surface:#fbfbfa;
  --muted:#5d6770;
  --border:#dadedf;
  --primary:#1f5a66;
  --primary-dark:#143f48;
  --primary-fg:#fbfbfa;
  --teal-soft:#a8d4d2;
  --destructive:#c0392b;
  --radius:14px;
  --container:1180px;
  --shadow-soft:0 1px 0 rgba(31,90,102,.06), 0 24px 48px -24px rgba(20,30,40,.18);
}
*{box-sizing:border-box;border-color:var(--border)}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--fg);
  font-family:'Inter',system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;line-height:1.5;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s}
h1,h2,h3,h4{font-family:'Sora','Inter',sans-serif;letter-spacing:-.02em;margin:0;line-height:1.1}
ul{margin:0;padding:0;list-style:none}

.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.muted{color:var(--muted)}
.muted-light{color:rgba(255,255,255,.7)}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:14px 24px;font-size:14px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:opacity .2s,background .2s,transform .2s}
.btn-sm{padding:8px 16px}
.btn-primary{background:var(--primary);color:var(--primary-fg)}
.btn-primary:hover{opacity:.9}
.btn-outline{background:var(--surface);border-color:var(--border);color:var(--fg)}
.btn-outline:hover{background:#ececec}
.btn-soft{background:var(--teal-soft);color:var(--fg)}
.btn-soft:hover{opacity:.9}
.btn:disabled{opacity:.6;cursor:not-allowed}
.arrow{transition:transform .2s}
.btn:hover .arrow{transform:translateX(2px)}

/* Header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:50;backdrop-filter:blur(10px);background:rgba(243,244,243,.8);border-bottom:1px solid rgba(218,222,223,.6)}
.nav{height:64px;display:flex;align-items:center;justify-content:space-between}
.brand img{height:36px;width:auto}
.nav-links{display:flex;gap:32px;font-size:14px;color:var(--muted)}
.nav-links a:hover{color:var(--fg)}
@media(max-width:768px){.nav-links{display:none}}

/* Hero */
.hero{position:relative;padding:130px 0 80px;overflow:hidden}
@media(min-width:640px){.hero{padding:160px 0 110px}}
.bg-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(31,90,102,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(31,90,102,.06) 1px,transparent 1px);background-size:56px 56px;opacity:.7;pointer-events:none}
.hero-blob{position:absolute;top:-100px;right:-100px;width:500px;height:500px;border-radius:50%;background:rgba(31,90,102,.1);filter:blur(80px);pointer-events:none}
.hero-grid{position:relative;display:grid;gap:48px;align-items:center}
@media(min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr}}
.chip{display:inline-flex;align-items:center;gap:8px;border-radius:999px;border:1px solid var(--border);background:var(--surface);padding:6px 12px;font-size:12px;color:var(--muted)}
.dot{width:6px;height:6px;border-radius:50%;background:var(--primary);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.hero h1{margin-top:24px;font-size:clamp(34px,6vw,72px);font-weight:700}
.grad{background:linear-gradient(120deg,#143f48,#3a8f80);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.lead{margin-top:24px;max-width:600px;font-size:18px;color:var(--muted);line-height:1.6}
.hero-ctas{margin-top:36px;display:flex;flex-wrap:wrap;gap:12px}
.hero-stats{margin-top:48px;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:560px}
.stat{border-left:2px solid rgba(31,90,102,.3);padding-left:16px}
.stat .k{font-size:24px;font-weight:700;color:var(--primary)}
.stat .v{font-size:12px;color:var(--muted);margin-top:4px}
.hero-right{position:relative}
.hero-right img{width:66%;margin:0 auto;max-width:380px}

/* Sections */
.section{padding:90px 0}
@media(min-width:640px){.section{padding:130px 0}}
.section-soft{background:rgba(218,222,223,.4);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-dark{position:relative;color:#fff;background:linear-gradient(180deg,#283238,#1a2026);overflow:hidden}
.section-dark .bg-grid{opacity:.1}
.section-dark .header-block,.section-dark .container{position:relative;z-index:1}

.header-block{max-width:640px}
.header-block .eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:.2em;color:var(--primary);font-weight:600}
.eyebrow-soft{color:var(--teal-soft) !important}
.header-block h2{margin-top:12px;font-size:clamp(28px,4vw,48px);font-weight:700}
.header-block p{margin-top:20px}
.header-block-row{display:flex;flex-direction:column;gap:24px;justify-content:space-between}
@media(min-width:768px){.header-block-row{flex-direction:row;align-items:flex-end}}
.side-note{max-width:280px;font-size:14px}

.grid{display:grid;gap:16px;margin-top:56px}
.grid-2{grid-template-columns:1fr}
.grid-3{grid-template-columns:1fr}
.grid-4{grid-template-columns:1fr}
@media(min-width:640px){.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}}

/* Cards / challenges */
.card{display:flex;flex-direction:column;gap:8px;border:1px solid var(--border);background:var(--surface);border-radius:18px;padding:24px;transition:border-color .2s}
.card:hover{border-color:rgba(31,90,102,.4)}
.challenges .card{flex-direction:row;align-items:flex-start;gap:16px}
.challenges .card p{margin:0;font-weight:500}
.icon-box{width:40px;height:40px;border-radius:12px;background:rgba(31,90,102,.1);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.icon-box.lg{width:48px;height:48px;border-radius:16px}
.icon-box.solid{background:var(--primary);color:#fff}

/* Dark stat blocks */
.stat-blocks{margin-top:48px}
.stat-dark{background:linear-gradient(180deg,#283238,#1a2026);color:#fff;border-radius:18px;padding:36px;box-shadow:var(--shadow-soft)}
.big-num{font-size:clamp(60px,8vw,80px);font-weight:700;line-height:1}
.stat-dark p{margin-top:16px;color:rgba(255,255,255,.8)}
.source{display:block;margin-top:12px;font-size:11px;color:rgba(255,255,255,.5);text-transform:uppercase;letter-spacing:.1em}

/* Features */
.features{margin-top:56px;border:1px solid var(--border);border-radius:24px;overflow:hidden;background:var(--border);gap:1px}
.feature{background:var(--surface);padding:32px;transition:background .2s}
.feature:hover{background:rgba(218,222,223,.6)}
.feature h3{margin-top:20px;font-size:18px;font-weight:600}
.feature p{margin-top:12px;color:var(--muted);font-size:14px;line-height:1.6}

/* Methodology steps */
.steps .step{border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.05);backdrop-filter:blur(4px);border-radius:18px;padding:32px;transition:border-color .2s}
.steps .step:hover{border-color:rgba(168,212,210,.4)}
.step-n{font-family:ui-monospace,monospace;font-size:13px;color:var(--teal-soft)}
.step h3{margin-top:12px;font-size:20px;font-weight:600}
.step p{margin-top:12px;color:rgba(255,255,255,.7);font-size:14px;line-height:1.6}

/* Solutions */
.solutions{margin-top:56px;display:flex;flex-direction:column;gap:20px}
.solution{display:grid;grid-template-columns:1fr;gap:24px;border:1px solid var(--border);background:var(--surface);border-radius:24px;padding:32px;transition:border-color .2s;box-shadow:var(--shadow-soft)}
.solution:hover{border-color:rgba(31,90,102,.4)}
@media(min-width:768px){.solution{grid-template-columns:3fr 6fr 3fr;padding:40px}}
.tag{font-family:ui-monospace,monospace;font-size:12px;color:var(--primary);letter-spacing:.15em}
.sol-head h3{margin-top:16px;font-size:24px;font-weight:700;line-height:1.2}
@media(min-width:1024px){.sol-head h3{font-size:28px}}
.sol-body{color:var(--muted);line-height:1.6}
.badge{display:inline-flex;align-items:center;gap:8px;margin-top:20px;background:rgba(31,90,102,.1);color:var(--primary);padding:6px 12px;border-radius:999px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.08em}
.sol-list{display:flex;flex-direction:column;gap:10px;font-size:14px}
@media(min-width:768px){.sol-list{border-left:1px solid var(--border);padding-left:24px}}
.sol-list li{display:flex;gap:8px;align-items:flex-start}

/* Cycle */
.cycle .card{padding:28px}
.cy-top{display:flex;align-items:center;justify-content:space-between}
.step-num{font-family:ui-monospace,monospace;font-size:12px;color:var(--muted)}
.cycle h3{margin-top:20px;font-size:18px;font-weight:600}
.cycle p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.6}

/* About */
.about-grid{display:grid;grid-template-columns:1fr;gap:48px;align-items:center}
@media(min-width:1024px){.about-grid{grid-template-columns:1fr 1fr;gap:64px}}
.about-img{position:relative}
.about-img img{border-radius:24px;border:1px solid rgba(168,212,210,.6);box-shadow:var(--shadow-soft)}
.badge-years{position:absolute;bottom:-24px;right:-24px;background:var(--primary);color:var(--primary-fg);border-radius:16px;padding:20px;box-shadow:var(--shadow-soft);display:none}
@media(min-width:640px){.badge-years{display:block}}
.badge-years .n{font-size:28px;font-weight:700}
.badge-years .l{font-size:11px;letter-spacing:.1em;opacity:.8;margin-top:4px}
.founders{margin-top:32px;display:flex;gap:16px;font-family:'Sora',sans-serif;font-weight:700;font-size:17px}
.founders div:nth-child(2){color:var(--muted)}

.partners{margin-top:80px}
.partner{background:var(--surface);border:1px solid var(--border);border-radius:24px;padding:28px;box-shadow:var(--shadow-soft)}
@media(min-width:640px){.partner{padding:32px}}
.p-head{display:flex;align-items:center;gap:20px}
.p-head img{width:88px;height:88px;border-radius:16px;object-fit:cover;border:1px solid var(--border)}
.p-head h3{font-size:22px;font-weight:700}
.role{font-size:14px;color:var(--primary);margin-top:4px}
.partner ul{margin-top:24px;display:flex;flex-direction:column;gap:12px;font-size:14px;color:var(--muted);line-height:1.6}

/* Contact */
.contact{position:relative}
.contact-blob{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:600px;height:600px;border-radius:50%;background:rgba(31,90,102,.2);filter:blur(100px);pointer-events:none}
.contact-grid{position:relative;display:grid;grid-template-columns:1fr;gap:48px;max-width:1080px;z-index:1}
@media(min-width:1024px){.contact-grid{grid-template-columns:2fr 3fr}}
.contact h2{margin-top:12px;font-size:clamp(28px,4vw,48px);font-weight:700;line-height:1.15}
.contact p{margin-top:12px;color:#fff;line-height:1.6}
.contact-info{margin-top:32px;display:flex;flex-direction:column;gap:12px;font-size:14px}
.contact-info a{color:rgba(255,255,255,.9);transition:color .2s}
.contact-info a:hover{color:var(--teal-soft)}

.contact-form{display:grid;grid-template-columns:1fr;gap:20px;border-radius:24px;border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.05);backdrop-filter:blur(8px);padding:32px}
@media(min-width:640px){.contact-form{grid-template-columns:1fr 1fr;padding:40px}}
.field label{font-size:11px;font-weight:600;color:rgba(255,255,255,.6);text-transform:uppercase;letter-spacing:.1em}
.field input,.field textarea{margin-top:8px;width:100%;border-radius:12px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.15);color:#fff;padding:12px 16px;font-size:14px;font-family:inherit;transition:border-color .2s,box-shadow .2s}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.4)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--teal-soft);box-shadow:0 0 0 3px rgba(168,212,210,.25)}
.field textarea{resize:none}
.span-2{grid-column:1 / -1}
.err{margin:6px 0 0;font-size:12px;color:#ff8a80;min-height:0}
.form-actions{display:flex;justify-content:flex-end;padding-top:8px}

/* Footer */
.site-footer{border-top:1px solid var(--border);padding:56px 0;background:var(--surface)}
.footer-grid{display:flex;flex-direction:column;gap:32px;justify-content:space-between}
@media(min-width:768px){.footer-grid{flex-direction:row}}
.footer-logo{height:48px;width:auto}
.footer-grid > div:first-child p{margin-top:16px;font-size:14px;max-width:300px}
.footer-cols{display:grid;grid-template-columns:1fr 1fr;gap:40px;font-size:14px}
.footer-cols h4{font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--primary);font-weight:600;margin-bottom:12px}
.footer-cols ul{display:flex;flex-direction:column;gap:8px}
.footer-cols a:hover{color:var(--primary)}
.footer-bottom{margin-top:40px;padding-top:24px;border-top:1px solid var(--border);font-size:12px;color:var(--muted);display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

/* Reveal animation */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s cubic-bezier(.16,1,.3,1),transform .8s cubic-bezier(.16,1,.3,1)}
.reveal.in-view{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}