/*
Theme Name: Silk Bridge
Theme URI: https://silk-bridge.com.ua
Author: Silk Bridge
Description: Односторінковий сайт-візитка Silk Bridge — офіційного дистриб'ютора Dostupné Pomůcky в Україні.
Version: 1.0.1
Requires PHP: 8.0
License: GPL-2.0-or-later
Text Domain: silkbridge
*/

:root{
  --navy:#17324d;
  --navy-2:#1f4a6e;
  --teal:#438e9c;
  --teal-2:#42979a;
  --teal-dark:#2e6f7b;
  --mint:#e5f4f2;
  --mint-2:#eff8f7;
  --sky:#e8f0f6;
  --ink:#1c2a38;
  --muted:#5b6b7b;
  --line:#cfe1e3;
  --white:#ffffff;
  --radius:18px;
  --shadow:0 10px 30px rgba(23,50,77,.10);
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;overflow-x:hidden;font-family:"Manrope",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--white);line-height:1.55;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal-dark);text-decoration:none}
h1,h2,h3,h4{font-weight:800;line-height:1.15;margin:0 0 .5em;color:var(--navy);letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.2vw,3.3rem)}
h2{font-size:clamp(1.6rem,3vw,2.3rem)}
h3{font-size:1.2rem}
p{margin:0 0 1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tint{background:var(--mint-2)}
.section--sky{background:var(--sky)}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--teal);margin-bottom:14px}
.lead{font-size:1.15rem;color:var(--muted);max-width:720px}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 24px;border-radius:999px;font-weight:700;font-size:1rem;border:2px solid transparent;cursor:pointer;transition:.2s;white-space:nowrap}
.btn--primary{background:var(--teal);color:#fff;border-color:var(--teal)}
.btn--primary:hover{background:var(--teal-dark);border-color:var(--teal-dark)}
.btn--ghost{background:transparent;color:var(--navy);border-color:var(--navy)}
.btn--ghost:hover{background:var(--navy);color:#fff}
.btn--white{background:#fff;color:var(--navy)}
.btn--white:hover{background:var(--mint)}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-header .wrap{max-width:1340px;display:flex;align-items:center;justify-content:space-between;gap:24px;height:78px}
.brand{flex:none;display:block}
.brand img{height:44px;width:auto;max-width:none}
.nav{display:flex;gap:22px;align-items:center}
.nav a{font-weight:700;color:var(--navy);font-size:.95rem;white-space:nowrap}
.nav a:hover{color:var(--teal)}
.nav .nav-cta{display:none;color:#fff}
@media (max-width:860px){.nav .nav-cta{display:inline-flex;justify-content:center}}
.header-cta{display:flex;align-items:center;gap:14px;flex:none}
.site-header .nav{min-width:0}
.header-phone{font-weight:800;color:var(--navy);white-space:nowrap}
.nav-toggle{display:none;background:none;border:0;padding:8px;cursor:pointer}
.nav-toggle span{display:block;width:26px;height:3px;background:var(--navy);margin:5px 0;border-radius:3px}

/* hero */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,var(--mint) 0%,var(--white) 100%)}
.hero::before{content:"";position:absolute;right:-18vw;top:-30vh;width:70vw;height:70vw;max-width:900px;max-height:900px;pointer-events:none;border-radius:50%;background:radial-gradient(circle at 35% 35%,rgba(66,151,154,.18),rgba(66,151,154,0) 62%)}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding-top:80px;padding-bottom:80px;position:relative}
.hero h1 span{color:var(--teal)}
.hero .lead{font-size:1.25rem;color:var(--ink);margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-note{color:var(--muted);font-size:.95rem}
.hero-media{position:relative}
.hero-media img{border-radius:28px;box-shadow:var(--shadow);width:100%;aspect-ratio:4/5;object-fit:cover}
.hero-badge{position:absolute;left:-24px;bottom:32px;background:var(--navy);color:#fff;padding:18px 22px;border-radius:16px;box-shadow:var(--shadow);max-width:280px}
.hero-badge strong{display:block;font-size:1.4rem;line-height:1.1}
.hero-badge small{opacity:.85}

/* trust strip */
.trust{background:var(--navy);color:#fff}
.trust .wrap{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;padding-top:26px;padding-bottom:26px}
.trust div{text-align:center;padding:10px 12px;border-left:1px solid rgba(255,255,255,.14)}
.trust div:first-child{border-left:0}
.trust strong{display:block;font-size:1.35rem;line-height:1.1;color:#fff}
.trust span{font-size:.85rem;opacity:.85}

/* tasks */
.tasks{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px}
.task{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:140px 24px 22px;position:relative;overflow:hidden;box-shadow:0 4px 14px rgba(23,50,77,.05)}
.task .num{position:absolute;top:18px;left:22px;font-weight:800;color:var(--teal);font-size:1rem}
.task img{position:absolute;right:16px;top:16px;width:110px;height:100px;object-fit:contain;border-radius:10px}
.task h3{font-size:1.05rem;margin:0;padding-right:8px}
.task p{color:var(--muted);font-size:.92rem;margin:.5em 0 0}
.tasks-solution{margin-top:28px;background:var(--navy);color:#fff;border-radius:var(--radius);padding:26px 30px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.tasks-solution .eyebrow{color:#8fd3d6;margin:0 0 4px}
.tasks-solution strong{font-size:1.25rem}

/* products */
.products{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px}
.product{background:#fff;border-radius:var(--radius);border:1px solid var(--line);overflow:hidden;display:flex;flex-direction:column;transition:.2s}
.product:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.product-media{background:#fff;border-bottom:1px solid var(--line);aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;padding:18px;overflow:hidden}
.product-media img{width:100%;height:100%;object-fit:contain}
.product-media.photo{padding:0}
.product-media.photo img{object-fit:cover}
.product-body{padding:22px 22px 24px;flex:1;display:flex;flex-direction:column}
.product-body h3{font-size:1.1rem;margin-bottom:8px}
.product-body p{color:var(--muted);font-size:.95rem;margin:0 0 12px}
.specs{list-style:none;margin:auto 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.specs li{font-size:.8rem;font-weight:700;color:var(--teal-dark);background:var(--mint);padding:5px 10px;border-radius:999px}

/* placeholder for missing photos */
.ph{width:100%;height:100%;min-height:160px;border:2px dashed rgba(67,142,156,.45);border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--teal-dark);text-align:center;padding:16px;font-size:.85rem;font-weight:700;background:repeating-linear-gradient(45deg,rgba(67,142,156,.05) 0 10px,transparent 10px 20px)}
.ph svg{width:34px;height:34px;opacity:.7}
.ph small{font-weight:500;color:var(--muted)}

/* tech */
.tech{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:44px}
.tech-card{border-radius:var(--radius);padding:36px;color:#fff;position:relative;overflow:hidden}
.tech-card--a{background:linear-gradient(135deg,var(--teal-dark),var(--teal))}
.tech-card--b{background:linear-gradient(135deg,var(--navy),var(--navy-2))}
.tech-card h3{color:#fff;font-size:1.5rem;margin-bottom:6px}
.tech-card .sub{opacity:.9;font-weight:700;margin-bottom:18px}
.tech-card ul{margin:0;padding:0;list-style:none}
.tech-card li{padding:9px 0 9px 30px;position:relative;border-top:1px solid rgba(255,255,255,.18)}
.tech-card li::before{content:"";position:absolute;left:0;top:15px;width:16px;height:16px;border-radius:50%;background:rgba(255,255,255,.22);box-shadow:inset 0 0 0 4px rgba(255,255,255,.9)}
.tech-strip{margin-top:24px;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.tech-strip div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;font-weight:700;color:var(--navy);display:flex;gap:12px;align-items:center;font-size:.95rem;min-width:0}
.tech-strip svg{width:26px;height:26px;flex:none;color:var(--teal)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px;counter-reset:step}
.step{background:#fff;border-radius:var(--radius);padding:34px 28px 30px;border:1px solid var(--line);position:relative}
.step::before{counter-increment:step;content:"0" counter(step);font-size:2.6rem;font-weight:800;color:var(--teal);opacity:.35;line-height:1;display:block;margin-bottom:14px}
.step h3{margin-bottom:8px}
.step p{color:var(--muted);margin:0}

/* about */
.about .wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.about blockquote{margin:24px 0;padding:22px 26px;border-left:4px solid var(--teal);background:var(--mint-2);border-radius:0 14px 14px 0;font-size:1.1rem;font-style:italic;color:var(--navy)}
.about blockquote cite{display:block;font-style:normal;font-weight:700;font-size:.9rem;color:var(--teal-dark);margin-top:10px}
.about-media{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.about-media > *{border-radius:16px;overflow:hidden;background:#fff;border:1px solid var(--line);aspect-ratio:1;display:flex;align-items:center;justify-content:center}
.about-media img{width:100%;height:100%;object-fit:cover}
.partner-list{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 0;padding:0;list-style:none}
.partner-list li{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 14px;font-size:.9rem;font-weight:700;color:var(--navy)}

/* contact */
.contact .wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:start}
.contact-card{background:#fff;border-radius:var(--radius);padding:36px;border:1px solid var(--line);box-shadow:var(--shadow)}
.contact-list{list-style:none;padding:0;margin:24px 0 0}
.contact-list li{display:flex;gap:14px;align-items:flex-start;padding:12px 0;border-top:1px solid var(--line)}
.contact-list li:first-child{border-top:0}
.contact-list svg{width:22px;height:22px;flex:none;color:var(--teal);margin-top:3px}
.contact-list strong{display:block;color:var(--navy);font-size:.85rem;text-transform:uppercase;letter-spacing:.08em}
.contact-list a{font-size:1.05rem;font-weight:700;color:var(--ink)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-grid .full{grid-column:1/-1}
label{display:block;font-weight:700;font-size:.9rem;margin-bottom:6px;color:var(--navy)}
input,textarea,select{width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:12px;font:inherit;background:#fff;color:var(--ink)}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(67,142,156,.18)}
textarea{min-height:120px;resize:vertical}
.form-note{font-size:.85rem;color:var(--muted);margin-top:12px}
.alert{padding:14px 18px;border-radius:12px;margin-bottom:18px;font-weight:700}
.alert--ok{background:#e4f5ea;color:#1c6b3a}
.alert--err{background:#fbe9e7;color:#a13a2b}
.hp{position:absolute;left:-9999px;opacity:0;height:0;width:0}

/* footer */
.site-footer{background:var(--navy);color:#c9d8e4;padding:56px 0 28px}
.site-footer .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.site-footer img{height:40px;width:auto;margin-bottom:16px}
.site-footer h4{color:#fff;font-size:.85rem;text-transform:uppercase;letter-spacing:.12em;margin-bottom:14px}
.site-footer a{color:#fff}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:8px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:40px;padding-top:20px;font-size:.85rem;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;opacity:.8}

/* responsive */
@media (max-width:1400px){
  .header-phone{display:none}
  .nav{gap:18px}
  .nav a{font-size:.9rem}
}
@media (max-width:1024px){
  .header-cta .btn{padding:11px 16px;font-size:.9rem}
  .tasks{grid-template-columns:repeat(2,1fr)}
  .products{grid-template-columns:repeat(2,1fr)}
  .trust .wrap{grid-template-columns:repeat(3,1fr)}
  .trust div{border-left:0}
  .tech-strip{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .section{padding:64px 0}
  .hero .wrap{grid-template-columns:1fr;padding-top:48px;padding-bottom:56px}
  .hero-media img{aspect-ratio:4/3}
  .hero-badge{left:16px;bottom:16px}
  .nav{display:none;position:absolute;top:78px;left:0;right:0;background:#fff;flex-direction:column;padding:16px 24px 24px;border-bottom:1px solid var(--line);gap:16px}
  .nav.open{display:flex}
  .nav-toggle{display:block}
  .header-phone{display:none}
  .tech,.about .wrap,.contact .wrap{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .site-footer .wrap{grid-template-columns:1fr}
}
@media (max-width:600px){
  .header-cta .btn{display:none}
  .brand img{height:36px}
  .tech-strip{grid-template-columns:1fr}
}
@media (max-width:560px){
  .tasks,.products{grid-template-columns:1fr}
  .trust .wrap{grid-template-columns:repeat(2,1fr)}
  .form-grid{grid-template-columns:1fr}
  .btn{width:100%;justify-content:center}
}