/* =============================================
   TapSuite — Telegram Mini Apps for business
   Soft UI, Telegram-blue accent (distinct from the Golubovsky.DE portfolio's sky-blue)
============================================= */
:root {
    --accent: #229ED9;
    --accent-d: #1b7fb0;
    --accent-l: #5bc2f0;
    --navy: #0b1520;
    --bg: #f7fafc;
    --bg-alt: #eef4f8;
    --card: #ffffff;
    --border: #e1e8ee;
    --border-s: #c9d6e0;
    --text: #0f172a;
    --muted: #5b6b7c;
    --dim: #94a3b8;
    --shadow: 0 1px 2px rgba(15,23,42,0.04), 0 8px 24px -8px rgba(15,23,42,0.10);
    --shadow-l: 0 4px 8px rgba(15,23,42,0.06), 0 20px 40px -12px rgba(15,23,42,0.18);
    --radius: 18px;
    --tr: 0.25s cubic-bezier(.4,0,.2,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
    margin: 0; background: var(--bg); color: var(--text);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img { max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { margin: 0; padding: 0; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.section { padding: 88px 0; }
.section.alt { background: var(--bg-alt); }
section { border-top: 1px solid var(--border); }
section:first-of-type, .hero { border-top: none; }

.section-head { max-width: 640px; margin: 0 auto 52px; text-align: center; }
.eyebrow { display: inline-block; color: var(--accent); font-size: 0.76rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 12px; }
.section-head h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); font-weight: 800; letter-spacing: -0.02em; margin: 0 0 14px; }
.section-head p { color: var(--muted); font-size: 1.05rem; line-height: 1.65; margin: 0; }

.btn { display: inline-flex; align-items: center; gap: 9px; padding: 13px 26px; border-radius: 12px; font-weight: 650; font-size: 0.95rem; border: none; cursor: pointer; transition: var(--tr); }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 10px 26px -8px rgba(34,158,217,0.55); }
.btn-primary:hover { background: var(--accent-d); transform: translateY(-2px); box-shadow: 0 14px 30px -8px rgba(34,158,217,0.6); }
.btn-ghost { background: rgba(255,255,255,0.08); color: #fff; border: 1px solid rgba(255,255,255,0.22); }
.btn-ghost:hover { background: rgba(255,255,255,0.16); }
.btn-outline { background: #fff; color: var(--text); border: 1px solid var(--border-s); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-full { width: 100%; justify-content: center; }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }

/* ---------- NAV ---------- */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; transition: var(--tr); }
.site-header.scrolled { background: rgba(11,21,32,0.82); backdrop-filter: blur(16px); border-bottom: 1px solid rgba(255,255,255,0.08); }
.nav-inner { height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.logo { display: flex; align-items: center; gap: 9px; font-weight: 800; font-size: 1.22rem; color: #fff; letter-spacing: -0.02em; }
.logo .dot { width: 9px; height: 9px; border-radius: 3px; background: var(--accent); box-shadow: 0 0 0 5px rgba(34,158,217,0.22); }
.nav-links { display: flex; gap: 30px; align-items: center; }
.nav-links a { color: rgba(255,255,255,0.75); font-size: 0.92rem; font-weight: 500; transition: var(--tr); }
.nav-links a:hover { color: #fff; }
.lang-switch { display: inline-flex; border: 1px solid rgba(255,255,255,0.28); border-radius: 100px; overflow: hidden; }
.lang-btn { background: transparent; border: none; font-family: inherit; cursor: pointer; padding: 5px 11px; font-size: 0.74rem; font-weight: 700; letter-spacing: 0.03em; color: rgba(255,255,255,0.7); transition: var(--tr); }
.lang-btn:hover:not(.active) { color: #fff; }
.lang-btn.active { background: var(--accent-l); color: var(--navy); }
.site-header.scrolled .lang-switch { border-color: rgba(255,255,255,0.28); }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.hamburger span { width: 22px; height: 2px; background: #fff; border-radius: 2px; }

/* ---------- HERO ---------- */
.hero {
    position: relative; overflow: hidden; background: var(--navy); color: #fff;
    padding: 168px 0 110px;
}
.hero::before {
    content: ''; position: absolute; inset: 0;
    background:
        radial-gradient(760px 460px at 82% 8%, rgba(34,158,217,0.28), transparent 62%),
        radial-gradient(600px 420px at 8% 90%, rgba(34,158,217,0.14), transparent 60%);
    pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 40px; align-items: center; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(34,158,217,0.14); border: 1px solid rgba(34,158,217,0.35); color: #8fd7f5; font-size: 0.82rem; font-weight: 600; padding: 7px 14px 7px 10px; border-radius: 999px; margin-bottom: 22px; }
.hero-badge i { font-size: 0.9rem; }
.hero h1 { font-size: clamp(2.3rem, 4.6vw, 3.6rem); font-weight: 800; line-height: 1.08; letter-spacing: -0.03em; margin: 0 0 20px; }
.hero h1 .g { background: linear-gradient(100deg, var(--accent-l), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { color: rgba(226,236,244,0.78); font-size: 1.15rem; line-height: 1.65; max-width: 540px; margin: 0 0 32px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }
.hero-trust { display: flex; gap: 26px; flex-wrap: wrap; }
.hero-trust div { display: flex; align-items: center; gap: 9px; color: rgba(226,236,244,0.75); font-size: 0.86rem; }
.hero-trust i { color: var(--accent-l); }

.hero-visual { position: relative; display: flex; justify-content: center; }
.hero-glow { position: absolute; width: 420px; height: 420px; background: radial-gradient(circle, rgba(34,158,217,0.35), transparent 68%); filter: blur(10px); }
.hero-visual .iphone { animation: floaty 6s ease-in-out infinite; }
@keyframes floaty { 0%,100% { transform: translateY(0) rotate(-2deg); } 50% { transform: translateY(-16px) rotate(0deg); } }
.hero-chip { position: absolute; background: #fff; color: var(--text); border-radius: 13px; padding: 10px 14px; box-shadow: var(--shadow-l); font-size: 0.8rem; font-weight: 650; display: flex; align-items: center; gap: 8px; z-index: 2; }
.hero-chip i { color: var(--accent); }
.hero-chip.c1 { top: 10%; left: -6%; }
.hero-chip.c2 { bottom: 14%; right: -8%; }

/* ---------- iPhone mockup (pure CSS) ---------- */
.iphone { width: 250px; aspect-ratio: 9 / 19.4; background: #0a0a0c; border-radius: 42px; padding: 9px;
    box-shadow: 0 40px 70px -24px rgba(0,0,0,0.5), inset 0 0 0 2px rgba(255,255,255,0.06); position: relative; flex-shrink: 0; }
.iphone.sm { width: 172px; }
.iphone-screen { width: 100%; height: 100%; background: #fff; border-radius: 33px; overflow: hidden; position: relative; display: flex; flex-direction: column; }
.iphone-island { position: absolute; top: 8px; left: 50%; transform: translateX(-50%); width: 34%; height: 15px; background: #0a0a0c; border-radius: 999px; z-index: 5; }
.iphone.sm .iphone-island { top: 6px; height: 11px; }

.tg-bar { background: var(--accent); color: #fff; padding: 22px 12px 9px; display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.iphone.sm .tg-bar { padding: 16px 9px 7px; }
.tg-bar i.back { font-size: 0.72rem; opacity: 0.85; }
.tg-bar b { font-size: 0.72rem; font-weight: 650; flex: 1; }
.iphone.sm .tg-bar b { font-size: 0.62rem; }
.tg-bar .dots { font-size: 0.7rem; opacity: 0.85; }
.app-body { flex: 1; padding: 12px 11px; background: var(--bg-alt); overflow: hidden; display: flex; flex-direction: column; gap: 9px; }
.iphone.sm .app-body { padding: 9px 8px; gap: 7px; }

/* mini KPI tiles */
.mk-row { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.mk-tile { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 8px 9px; }
.mk-tile b { display: block; font-size: 0.94rem; font-weight: 800; color: var(--text); }
.mk-tile span { display: block; font-size: 0.55rem; color: var(--muted); margin-top: 2px; text-transform: uppercase; letter-spacing: 0.04em; }
.mk-tile.up b { color: #16a34a; }

/* mini bar chart */
.mk-chart { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 10px 9px 8px; flex: 1; display: flex; flex-direction: column; }
.mk-chart .mk-title { font-size: 0.58rem; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 8px; }
.mk-bars { display: flex; align-items: flex-end; gap: 5px; flex: 1; }
.mk-bars i { flex: 1; background: linear-gradient(var(--accent-l), var(--accent)); border-radius: 3px 3px 1px 1px; }

/* mini list rows (leads / tickets / orders) */
.mk-list { display: flex; flex-direction: column; gap: 6px; }
.mk-row2 { background: #fff; border: 1px solid var(--border); border-radius: 9px; padding: 8px 9px; display: flex; align-items: center; gap: 8px; }
.mk-avatar { width: 20px; height: 20px; border-radius: 6px; background: var(--accent); color: #fff; font-size: 0.5rem; font-weight: 700; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.mk-row2 .txt { flex: 1; min-width: 0; }
.mk-row2 .txt b { display: block; font-size: 0.6rem; color: var(--text); font-weight: 650; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mk-row2 .txt span { display: block; font-size: 0.52rem; color: var(--muted); }
.mk-pill { font-size: 0.48rem; font-weight: 700; padding: 3px 6px; border-radius: 999px; flex-shrink: 0; }
.mk-pill.g { background: rgba(22,163,74,0.12); color: #16a34a; }
.mk-pill.a { background: rgba(245,158,11,0.14); color: #b45309; }
.mk-pill.r { background: rgba(220,38,38,0.12); color: #dc2626; }

/* mini form (booking) */
.mk-form { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 10px 9px; display: flex; flex-direction: column; gap: 7px; }
.mk-field span { display: block; font-size: 0.5rem; color: var(--muted); margin-bottom: 3px; text-transform: uppercase; letter-spacing: 0.04em; }
.mk-field div { height: 18px; background: var(--bg-alt); border: 1px solid var(--border); border-radius: 6px; }
.mk-slots { display: flex; gap: 5px; }
.mk-slot { flex: 1; text-align: center; font-size: 0.5rem; font-weight: 650; padding: 5px 0; border-radius: 6px; background: var(--bg-alt); border: 1px solid var(--border); color: var(--muted); }
.mk-slot.sel { background: var(--accent); border-color: var(--accent); color: #fff; }
.mk-cta { margin-top: 2px; background: var(--accent); color: #fff; text-align: center; font-size: 0.58rem; font-weight: 700; padding: 8px 0; border-radius: 8px; }

/* mini menu/order list */
.mk-menu-item { background: #fff; border: 1px solid var(--border); border-radius: 9px; padding: 7px 9px; display: flex; align-items: center; gap: 8px; }
.mk-thumb { width: 22px; height: 22px; border-radius: 6px; background: linear-gradient(135deg, var(--accent-l), var(--accent)); flex-shrink: 0; }
.mk-menu-item .txt { flex: 1; }
.mk-menu-item .txt b { display: block; font-size: 0.58rem; font-weight: 650; }
.mk-menu-item .txt span { font-size: 0.5rem; color: var(--muted); }
.mk-qty { width: 16px; height: 16px; border-radius: 5px; background: var(--bg-alt); border: 1px solid var(--border); font-size: 0.6rem; display: flex; align-items: center; justify-content: center; color: var(--accent); font-weight: 800; }

/* mini loyalty card */
.mk-loyalty { background: linear-gradient(140deg, #16243a, var(--navy)); border-radius: 12px; padding: 12px; color: #fff; }
.mk-loyalty .lv { font-size: 0.5rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent-l); margin-bottom: 4px; }
.mk-loyalty b { font-size: 0.85rem; font-weight: 800; }
.mk-stamps { display: flex; gap: 4px; margin-top: 9px; }
.mk-stamps i { width: 14px; height: 14px; border-radius: 50%; background: rgba(255,255,255,0.14); display: flex; align-items: center; justify-content: center; font-size: 0.45rem; }
.mk-stamps i.on { background: var(--accent-l); color: #08222e; }

/* ---------- VALUE PROPS ---------- */
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.value-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px 22px; box-shadow: var(--shadow); transition: var(--tr); }
.value-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-l); }
.value-ic { width: 44px; height: 44px; border-radius: 12px; background: rgba(34,158,217,0.12); color: var(--accent); display: flex; align-items: center; justify-content: center; font-size: 1.15rem; margin-bottom: 16px; }
.value-card h3 { font-size: 1.02rem; font-weight: 700; margin: 0 0 8px; }
.value-card p { color: var(--muted); font-size: 0.88rem; line-height: 1.55; margin: 0; }

/* ---------- USE CASES ---------- */
.uc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.uc-card { background: var(--card); border: 1px solid var(--border); border-radius: 22px; padding: 26px; box-shadow: var(--shadow); transition: var(--tr); display: flex; flex-direction: column; gap: 18px; }
.uc-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-l); border-color: var(--border-s); }
.uc-top { display: flex; gap: 18px; align-items: center; }
.uc-tag { display: inline-block; font-size: 0.68rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); background: rgba(34,158,217,0.1); padding: 4px 10px; border-radius: 999px; margin-bottom: 10px; }
.uc-top h3 { font-size: 1.12rem; font-weight: 750; margin: 0 0 8px; letter-spacing: -0.01em; }
.uc-top p { color: var(--muted); font-size: 0.86rem; line-height: 1.55; margin: 0; }
.uc-feats { list-style: none; margin: 0; padding: 0; display: grid; gap: 7px; }
.uc-feats li { display: flex; gap: 8px; align-items: flex-start; color: var(--text); font-size: 0.82rem; }
.uc-feats i { color: #16a34a; margin-top: 3px; font-size: 0.72rem; flex-shrink: 0; }
.uc-mock { display: flex; justify-content: center; padding-top: 4px; }

/* ---------- HOW IT WORKS ---------- */
.how-track { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.how-track::before { content: ''; position: absolute; top: 26px; left: 8%; right: 8%; height: 2px; background: repeating-linear-gradient(90deg, var(--accent) 0 9px, transparent 9px 18px); opacity: 0.4; z-index: 0; }
.how-step { position: relative; z-index: 1; text-align: center; }
.how-n { width: 52px; height: 52px; border-radius: 15px; background: var(--card); border: 1px solid var(--border); box-shadow: var(--shadow); display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; font-weight: 800; color: var(--accent); font-size: 1.1rem; }
.how-step h4 { font-size: 0.98rem; font-weight: 700; margin: 0 0 8px; }
.how-step p { color: var(--muted); font-size: 0.84rem; line-height: 1.55; margin: 0; max-width: 230px; margin-inline: auto; }

/* ---------- TRUST ---------- */
.trust-box { background: linear-gradient(150deg, #16243a, var(--navy)); border-radius: 24px; padding: 46px; position: relative; overflow: hidden; display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.trust-box::before { content: ''; position: absolute; inset: 0; background: radial-gradient(560px 260px at 90% -10%, rgba(34,158,217,0.22), transparent 60%); }
.trust-box > * { position: relative; z-index: 1; }
.trust-box h2 { color: #fff; font-size: 1.7rem; font-weight: 800; margin: 0 0 14px; letter-spacing: -0.02em; }
.trust-box > div > p { color: rgba(226,236,244,0.72); font-size: 0.98rem; line-height: 1.6; margin: 0 0 22px; }
.trust-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 13px; }
.trust-list li { display: flex; gap: 11px; align-items: flex-start; color: rgba(226,236,244,0.9); font-size: 0.92rem; }
.trust-list i { color: var(--accent-l); margin-top: 3px; flex-shrink: 0; }

/* ---------- PRICING ---------- */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.price-card { background: var(--card); border: 1px solid var(--border); border-radius: 22px; padding: 30px 26px; box-shadow: var(--shadow); display: flex; flex-direction: column; }
.price-card.hi { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent), var(--shadow-l); position: relative; }
.price-badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--accent); color: #fff; font-size: 0.68rem; font-weight: 700; padding: 5px 14px; border-radius: 999px; letter-spacing: 0.04em; }
.price-card h3 { font-size: 1.08rem; font-weight: 750; margin: 0 0 6px; }
.price-card .price-note { color: var(--muted); font-size: 0.85rem; margin: 0 0 20px; line-height: 1.5; }
.price-feats { list-style: none; margin: 0 0 24px; padding: 0; display: grid; gap: 10px; flex: 1; }
.price-feats li { display: flex; gap: 9px; align-items: flex-start; font-size: 0.86rem; color: var(--text); }
.price-feats i { color: var(--accent); margin-top: 3px; font-size: 0.75rem; flex-shrink: 0; }

/* ---------- CONTACT ---------- */
.contact-wrap { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; align-items: start; }
.contact-info h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); font-weight: 800; margin: 0 0 16px; letter-spacing: -0.02em; }
.contact-info p { color: var(--muted); line-height: 1.65; margin: 0 0 24px; }
.contact-info ul { list-style: none; display: grid; gap: 13px; }
.contact-info li { display: flex; gap: 10px; align-items: center; color: var(--text); font-size: 0.92rem; }
.contact-info i { color: var(--accent); width: 18px; }
.contact-form { background: var(--card); border: 1px solid var(--border); border-radius: 20px; padding: 28px; box-shadow: var(--shadow); display: grid; gap: 16px; }
.f-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.f-group label { display: block; font-size: 0.8rem; font-weight: 650; margin-bottom: 7px; color: var(--text); }
.f-group input, .f-group select, .f-group textarea {
    width: 100%; padding: 11px 13px; border-radius: 10px; border: 1px solid var(--border-s);
    background: var(--bg-alt); font-family: inherit; font-size: 0.92rem; color: var(--text); transition: var(--tr);
}
.f-group input:focus, .f-group select:focus, .f-group textarea:focus { outline: none; border-color: var(--accent); background: #fff; box-shadow: 0 0 0 3px rgba(34,158,217,0.14); }
.f-note { text-align: center; color: var(--dim); font-size: 0.8rem; margin: 0; }
.f-note.ok { color: #16a34a; font-weight: 600; }
.f-note.err { color: #dc2626; font-weight: 600; }

/* ---------- FOOTER ---------- */
.site-footer { background: var(--navy); color: rgba(226,236,244,0.7); padding: 56px 0 28px; }
.footer-top { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 30px; margin-bottom: 34px; padding-bottom: 34px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-top p { max-width: 340px; font-size: 0.88rem; line-height: 1.6; margin: 10px 0 0; }
.footer-links { display: flex; gap: 46px; flex-wrap: wrap; }
.footer-col h4 { color: #fff; font-size: 0.76rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; margin: 0 0 14px; }
.footer-col a, .footer-col span { display: block; font-size: 0.86rem; margin-bottom: 10px; color: rgba(226,236,244,0.68); transition: var(--tr); }
.footer-col a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 0.8rem; color: rgba(226,236,244,0.45); }
.footer-bottom a { color: rgba(226,236,244,0.6); }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 980px) {
    .hero-inner { grid-template-columns: 1fr; text-align: center; }
    .hero-sub { margin-inline: auto; }
    .hero-actions, .hero-trust { justify-content: center; }
    .hero-visual { margin-top: 20px; }
    .value-grid { grid-template-columns: repeat(2, 1fr); }
    .uc-grid { grid-template-columns: repeat(2, 1fr); }
    .how-track { grid-template-columns: repeat(2, 1fr); row-gap: 34px; }
    .how-track::before { display: none; }
    .trust-box { grid-template-columns: 1fr; }
    .price-grid { grid-template-columns: 1fr; max-width: 420px; margin-inline: auto; }
    .contact-wrap { grid-template-columns: 1fr; }
    /* AOS's fade-left/fade-right start translated ~100px off-screen; on narrow
       viewports that reads as real horizontal overflow, so the page visibly
       jitters left-right on scroll (classic mobile AOS issue). Neutralize the
       horizontal slide here — opacity fade still plays, just without the shift. */
    [data-aos="fade-left"], [data-aos="fade-right"] { transform: none !important; }
    .nav-links { display: none; }
    .nav-links.open { display: flex; position: absolute; top: 72px; left: 0; right: 0; background: rgba(11,21,32,0.98); backdrop-filter: blur(16px); flex-direction: column; padding: 18px 24px; gap: 18px; border-bottom: 1px solid rgba(255,255,255,0.08); }
    .nav-links.open .lang-switch { align-self: flex-start; margin-top: 4px; }
    .hamburger { display: flex; }
}
@media (max-width: 620px) {
    .value-grid, .uc-grid, .how-track { grid-template-columns: 1fr; }
    .f-row { grid-template-columns: 1fr; }
    .hero-chip { display: none; }
    .footer-top { flex-direction: column; }
}