:root {
    --bg: #ffffff;
    --bg-soft: #f4f7fb;
    --ink: #0f172a;
    --ink-soft: #475569;
    --ink-faint: #64748b;
    --line: #e2e8f0;
    --accent: #0369a1;
    --accent-hover: #075985;
    --accent-2: #0d9488;
    --accent-soft: #e0f2fe;
    --dark: #0f172a;
    --dark-2: #1e293b;
    --dark-ink: #e2e8f0;
    --dark-ink-soft: #94a3b8;
    --radius: 16px;
    --max: 1160px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font: 17px/1.65 "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 12px; }
h1 { font-size: clamp(34px, 5vw, 56px); font-weight: 800; }
h2 { font-size: clamp(28px, 3.6vw, 40px); font-weight: 800; }
h3 { font-size: 19px; font-weight: 700; }
p { margin: 0 0 12px; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 32px; } }
.muted { color: var(--dark-ink-soft); }
.center { text-align: center; }
.icon { width: 22px; height: 22px; flex: none; }
:focus-visible { outline: 3px solid #38bdf8; outline-offset: 3px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 100; background: #fff; padding: 8px 12px; border-radius: 8px; }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 13px 22px; border-radius: 10px; font-weight: 600; font-size: 16px;
    text-decoration: none; border: 1px solid transparent; cursor: pointer;
    transition: background .15s ease, border-color .15s ease, transform .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost { border-color: rgba(255,255,255,.35); color: #fff; }
.btn-ghost:hover { border-color: #fff; }
.btn-ghost-dark { border-color: var(--line); color: var(--ink); background: #fff; }
.btn-ghost-dark:hover { border-color: var(--ink-faint); }
.btn-sm { padding: 9px 16px; font-size: 14px; }
.btn[disabled] { opacity: .6; cursor: wait; transform: none; }

/* Header */
.header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 68px; }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.logo-mark { width: 32px; height: 32px; }
.logo-text { font-size: 20px; font-weight: 800; letter-spacing: -0.02em; }
.logo-text b { font-weight: 500; }
.logo-light { color: #fff; }
.nav { display: none; gap: 26px; font-size: 15px; font-weight: 500; }
.nav a { color: var(--ink-soft); text-decoration: none; }
.nav a:hover { color: var(--ink); }
@media (min-width: 960px) { .nav { display: flex; } }
.header-actions { display: flex; align-items: center; gap: 12px; }
.lang { display: flex; gap: 2px; font-size: 13px; font-weight: 600; }
.lang a { color: var(--ink-faint); text-decoration: none; padding: 4px 7px; border-radius: 6px; }
.lang a[aria-current] { color: var(--ink); background: var(--bg-soft); }
@media (max-width: 520px) { .header-actions .btn { display: none; } }

/* Hero */
.hero {
    color: #fff;
    background:
        radial-gradient(800px 420px at 90% 0%, rgba(13,148,136,.35), transparent 60%),
        radial-gradient(700px 400px at 0% 100%, rgba(3,105,161,.45), transparent 60%),
        var(--dark);
    padding: 72px 0 88px;
}
.hero-small { padding: 48px 0 56px; }
.hero h1 { color: #fff; }
.hero-grid { display: grid; gap: 48px; align-items: center; }
@media (min-width: 980px) { .hero-grid { grid-template-columns: 1.2fr 1fr; } }
.eyebrow { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: #5eead4; margin-bottom: 18px; }
.lead { font-size: 19px; color: var(--dark-ink); max-width: 640px; }
.ctas { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0; }
.ctas-center { justify-content: center; }
.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; color: var(--dark-ink); font-size: 15px; }
.checks li { display: flex; gap: 10px; align-items: center; }
.checks .icon { color: #5eead4; width: 20px; height: 20px; }
.back { display: inline-block; color: var(--dark-ink-soft); text-decoration: none; margin-bottom: 20px; font-size: 15px; }
.back:hover { color: #fff; }

.flow { display: grid; gap: 10px; max-width: 420px; margin: 0 auto; }
.flow-card { border-radius: 14px; padding: 18px 20px; background: var(--dark-2); border: 1px solid #334155; color: var(--dark-ink); font-size: 15px; display: flex; align-items: center; gap: 10px; }
.flow-core { background: linear-gradient(135deg, #0369a1, #0d9488); border: none; flex-direction: column; align-items: flex-start; gap: 2px; padding: 22px; box-shadow: 0 20px 50px -20px rgba(13,148,136,.7); }
.flow-core .icon { color: #fff; margin-bottom: 6px; }
.flow-core strong { font-size: 20px; color: #fff; }
.flow-core small { color: #ccfbf1; }
.flow-arrow { width: 2px; height: 22px; margin: 0 auto; background: linear-gradient(#334155, #5eead4); }
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot-amber { background: #f59e0b; }
.dot-green { background: #22c55e; }

/* Sections */
.section { padding: 80px 0; }
.section-soft { background: var(--bg-soft); }
.section-dark { background: var(--dark); color: var(--dark-ink); }
.section-dark h2 { color: #fff; }
.section-lead { font-size: 18px; color: var(--ink-soft); max-width: 720px; margin-bottom: 36px; }
.section-dark .section-lead { color: var(--dark-ink-soft); }
.center .section-lead { margin-left: auto; margin-right: auto; }

.pains { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
@media (min-width: 760px) { .pains { grid-template-columns: repeat(2, 1fr); } }
.pains li { display: flex; gap: 12px; align-items: flex-start; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; }
.pains .icon { color: #f59e0b; margin-top: 2px; }

.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 20px; counter-reset: s; }
@media (min-width: 760px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px) { .steps { grid-template-columns: repeat(4, 1fr); } }
.step { border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; position: relative; }
.step-num { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 800; margin-bottom: 14px; }
.step p { color: var(--ink-soft); font-size: 15px; margin: 0; }

.grid-3, .grid-2 { display: grid; gap: 20px; }
@media (min-width: 720px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } .grid-2 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1040px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }
.card { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; background: #fff; }
.card p { color: var(--ink-soft); font-size: 15px; margin: 0; }
.card-dark { background: var(--dark-2); border-color: #334155; }
.card-dark h3 { color: #fff; }
.card-dark p { color: var(--dark-ink-soft); }
.icon-badge { display: inline-grid; place-items: center; width: 46px; height: 46px; border-radius: 12px; background: rgba(94,234,212,.12); color: #5eead4; margin-bottom: 14px; }
.icon-badge-light { background: var(--accent-soft); color: var(--accent); }

.project { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; display: flex; flex-direction: column; gap: 6px; }
.project-head { display: flex; align-items: center; gap: 14px; }
.project-head .icon-badge { margin-bottom: 0; }
.project h3 { margin: 0; }
.project h3 a { color: var(--ink); text-decoration: none; }
.project h3 a:hover { color: var(--accent); }
.project-domain { font-size: 14px; color: var(--ink-faint); text-decoration: none; }
.project > p { color: var(--ink-soft); margin: 10px 0 6px; }
.project-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: auto; padding-top: 14px; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tags span { font-size: 12px; font-weight: 600; color: var(--accent); background: var(--accent-soft); padding: 4px 10px; border-radius: 999px; }
.tags-dark span { background: rgba(255,255,255,.1); color: var(--dark-ink); }
.hero-small .project-head h1 { margin: 0; }
.hero-small .lead { margin-top: 18px; }

.about .section-lead { max-width: 860px; }

.prose { max-width: 760px; }
.prose h3 { font-size: 24px; margin-top: 36px; }
.prose h3:first-child { margin-top: 0; }
.prose p, .prose li { color: var(--ink-soft); }
.prose ul { padding-left: 22px; }
.prose li { margin-bottom: 6px; }
.prose strong { color: var(--ink); }

/* Contact */
.section-contact { background: var(--bg-soft); }
.contact-grid { display: grid; gap: 40px; }
@media (min-width: 980px) { .contact-grid { grid-template-columns: 1fr 1.1fr; } }
.call-card { display: flex; gap: 16px; align-items: flex-start; background: var(--dark); color: var(--dark-ink); border-radius: var(--radius); padding: 24px; }
.call-card h3 { color: #fff; }
.call-card p { color: var(--dark-ink-soft); font-size: 15px; }
.contact-mail { display: flex; align-items: center; gap: 8px; margin-top: 20px; color: var(--ink-soft); }
.form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; display: grid; gap: 16px; box-shadow: 0 20px 50px -30px rgba(15,23,42,.35); }
.form label { display: grid; gap: 6px; font-size: 14px; font-weight: 600; color: var(--ink); }
.form input[type=text], .form input[type=email], .form input[type=tel], .form textarea {
    font: inherit; font-size: 16px; font-weight: 400; color: var(--ink);
    border: 1px solid var(--line); border-radius: 10px; padding: 11px 13px; background: #fff; width: 100%;
}
.form input:focus, .form textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.form textarea { resize: vertical; min-height: 120px; }
.row-2 { display: grid; gap: 16px; }
@media (min-width: 600px) { .row-2 { grid-template-columns: 1fr 1fr; } }
.consent { grid-template-columns: auto 1fr; align-items: start; font-weight: 400 !important; color: var(--ink-soft) !important; }
.consent input { margin-top: 4px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-status { margin: 0; font-size: 15px; min-height: 1.4em; }
.form-status.ok { color: #047857; font-weight: 600; }
.form-status.err { color: #b91c1c; }

/* Footer */
.footer { background: var(--dark); color: var(--dark-ink-soft); padding: 48px 0 24px; font-size: 15px; }
.footer-inner { display: grid; gap: 28px; }
@media (min-width: 860px) { .footer-inner { grid-template-columns: 1.4fr 1fr; } }
.footer p { margin: 12px 0 0; max-width: 520px; }
.footer a { color: #7dd3fc; }
.footer strong { color: #fff; }
.footer-bottom { border-top: 1px solid #1e293b; margin-top: 32px; padding-top: 18px; font-size: 13px; }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .btn { transition: none; }
}