/* ============================================================
   소프트식스 (SOFT SIX) · AI Chatbot Builder — Landing Page
   Palette: cyan / slate (extracted from product proposal deck)
   Brand: www.softsix.kr
   ============================================================ */

:root {
    --cyan: #0891b2;
    --cyan-light: #06b6d4;
    --cyan-dark: #0e7490;
    --cyan-deep: #164e63;
    --ink: #0f172a;
    --ink-2: #1e293b;
    --slate: #475569;
    --slate-light: #64748b;
    --slate-300: #94a3b8;
    --bg: #ffffff;
    --bg-soft: #f8fafc;
    --bg-soft-2: #f1f5f9;
    --cyan-50: #f0f9ff;
    --cyan-100: #cffafe;
    --border: #e2e8f0;
    --green: #86c440;
    --rose: #e11d48;
    --amber: #f59e0b;
    --violet: #8b5cf6;
    --emerald: #10b981;
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, .08), 0 1px 2px rgba(15, 23, 42, .04);
    --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, .10), 0 8px 10px -6px rgba(15, 23, 42, .05);
    --shadow-lg: 0 25px 50px -12px rgba(15, 23, 42, .18);
    --radius: 16px;
    --radius-lg: 24px;
    --maxw: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 80px; font-size: 16px; }

body {
    margin: 0;
    font-family: "Pretendard", "Pretendard Variable", -apple-system, BlinkMacSystemFont,
        "Apple SD Gothic Neo", "Segoe UI", Roboto, "Noto Sans KR", sans-serif;
    color: var(--ink);
    background: var(--bg);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    letter-spacing: -0.01em;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Section scaffolding ---------- */
section { padding: 96px 0; }
.section-soft { background: var(--bg-soft); }
.section-soft-2 { background: var(--bg-soft-2); }
.section-dark { background: var(--ink); color: #e2e8f0; }

.eyebrow {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--cyan);
    margin-bottom: 14px;
}
.section-dark .eyebrow { color: var(--cyan-light); }

.section-head { text-align: center; max-width: 760px; margin: 0 auto 56px; }
.section-head h2 {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    line-height: 1.25;
    margin: 0 0 16px;
    letter-spacing: -0.02em;
}
.section-head p {
    font-size: 18px;
    color: var(--slate);
    margin: 0;
}
.section-dark .section-head p { color: var(--slate-300); }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 16px;
    border: 1.5px solid transparent;
    cursor: pointer;
    transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
}
.btn-primary {
    background: linear-gradient(135deg, var(--cyan-light), var(--cyan));
    color: #fff;
    box-shadow: 0 8px 20px -6px rgba(8, 145, 178, .55);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 28px -6px rgba(8, 145, 178, .65); }
.btn-ghost {
    background: rgba(255, 255, 255, .08);
    color: #fff;
    border-color: rgba(255, 255, 255, .25);
}
.btn-ghost:hover { background: rgba(255, 255, 255, .16); }
.btn-light { background: #fff; color: var(--ink); }
.btn-light:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

/* ============================================================
   Navbar
   ============================================================ */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, .88);
    backdrop-filter: saturate(160%) blur(12px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 12px rgba(15, 23, 42, .04);
}
.nav-inner {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 24px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo img { height: 38px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a {
    color: var(--slate);
    font-size: 15px;
    font-weight: 600;
    transition: color .15s ease;
}
.nav-links a:hover { color: var(--cyan); }
.nav-cta {
    color: #fff !important;
    background: linear-gradient(135deg, var(--cyan-light), var(--cyan));
    padding: 9px 18px;
    border-radius: 999px;
    box-shadow: 0 6px 16px -6px rgba(8, 145, 178, .5);
}
.nav-cta:hover { color: #fff !important; filter: brightness(1.05); }
.nav-toggle { display: none; background: none; border: 0; color: var(--ink); font-size: 26px; cursor: pointer; }

/* ============================================================
   Hero
   ============================================================ */
.hero {
    position: relative;
    background:
        radial-gradient(900px 500px at 80% -10%, rgba(8, 145, 178, .35), transparent 60%),
        radial-gradient(700px 400px at 10% 20%, rgba(14, 116, 144, .25), transparent 55%),
        var(--ink);
    color: #fff;
    overflow: hidden;
    padding: 110px 0 120px;
}
.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(148, 163, 184, .06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, .06) 1px, transparent 1px);
    background-size: 44px 44px;
    -webkit-mask-image: radial-gradient(circle at 50% 0%, #000, transparent 75%);
    mask-image: radial-gradient(circle at 50% 0%, #000, transparent 75%);
    pointer-events: none;
}
.hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 56px;
    align-items: center;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 16px;
    border-radius: 999px;
    background: rgba(6, 182, 212, .12);
    border: 1px solid rgba(6, 182, 212, .35);
    color: var(--cyan-100);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 26px;
}
.hero h1 {
    font-size: clamp(36px, 5.4vw, 60px);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -0.03em;
    margin: 0 0 22px;
}
.hero h1 .grad {
    background: linear-gradient(120deg, #22d3ee, #67e8f9);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.hero p.lead {
    font-size: 19px;
    color: #cbd5e1;
    max-width: 560px;
    margin: 0 0 34px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-meta { margin-top: 36px; display: flex; gap: 32px; flex-wrap: wrap; }
.hero-meta div span { display: block; }
.hero-meta .num { font-size: 28px; font-weight: 800; color: #fff; }
.hero-meta .lbl { font-size: 14px; color: var(--slate-300); }

.hero-visual { display: flex; justify-content: center; }
.hero-card {
    width: 100%;
    max-width: 360px;
    background: linear-gradient(160deg, rgba(30, 41, 59, .9), rgba(15, 23, 42, .9));
    border: 1px solid rgba(148, 163, 184, .18);
    border-radius: var(--radius-lg);
    padding: 26px;
    box-shadow: var(--shadow-lg);
}
.hero-card .bot {
    width: 64px; height: 64px;
    border-radius: 16px;
    background: var(--cyan-50);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 18px;
}
.hero-card .bot img { width: 40px; }
.chat-bubble {
    padding: 12px 16px;
    border-radius: 14px;
    font-size: 14.5px;
    margin-bottom: 10px;
    max-width: 85%;
}
.chat-bubble.bot-msg { background: #1e293b; color: #e2e8f0; border-bottom-left-radius: 4px; }
.chat-bubble.user-msg {
    background: linear-gradient(135deg, var(--cyan-light), var(--cyan));
    color: #fff; margin-left: auto; border-bottom-right-radius: 4px;
}
.chat-typing { display: inline-flex; gap: 4px; padding: 14px 16px; background: #1e293b; border-radius: 14px; border-bottom-left-radius: 4px; }
.chat-typing span { width: 7px; height: 7px; border-radius: 50%; background: var(--slate-300); animation: blink 1.4s infinite both; }
.chat-typing span:nth-child(2) { animation-delay: .2s; }
.chat-typing span:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%, 80%, 100% { opacity: .3; } 40% { opacity: 1; } }

/* ============================================================
   Stat cards (WHY)
   ============================================================ */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.stat-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px 26px;
    box-shadow: var(--shadow-sm);
    transition: transform .2s ease, box-shadow .2s ease;
}
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.stat-card .big {
    font-size: 44px;
    font-weight: 800;
    color: var(--cyan);
    line-height: 1;
    letter-spacing: -0.02em;
}
.stat-card h3 { font-size: 18px; margin: 12px 0 8px; font-weight: 700; }
.stat-card p { color: var(--slate); font-size: 15px; margin: 0; }

/* ============================================================
   Card grids (generic)
   ============================================================ */
.cards { display: grid; gap: 22px; }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-2 { grid-template-columns: repeat(2, 1fr); }
.cols-5 { grid-template-columns: repeat(5, 1fr); }

.feature-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow-sm);
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--cyan-100); }
.feature-icon {
    width: 52px; height: 52px;
    border-radius: 13px;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--cyan-50), var(--cyan-100));
    color: var(--cyan-dark);
    margin-bottom: 18px;
}
.feature-icon svg { width: 26px; height: 26px; }
.panel h3 .pin svg { width: 20px; height: 20px; }
.list-row .ic svg { width: 22px; height: 22px; }
.market-card .m-ico svg { width: 26px; height: 26px; }
.feature-card h3 { font-size: 19px; margin: 0 0 8px; font-weight: 700; }
.feature-card p { color: var(--slate); font-size: 15px; margin: 0; }

/* ---------- Solution chips (5 types) ---------- */
.type-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.type-card {
    text-align: center;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 18px;
    box-shadow: var(--shadow-sm);
    transition: transform .2s ease, box-shadow .2s ease;
}
.type-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.type-card .t-ico {
    width: 56px; height: 56px; margin: 0 auto 16px;
    border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--cyan), var(--cyan-dark));
    color: #fff;
}
.type-card .t-ico svg { width: 28px; height: 28px; }
.type-card h3 { font-size: 18px; margin: 0 0 6px; }
.type-card p { font-size: 14px; color: var(--slate); margin: 0; }

/* ============================================================
   RAG pipeline (5 steps)
   ============================================================ */
.pipeline {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0;
    position: relative;
    margin-bottom: 48px;
}
.pipe-step { text-align: center; padding: 0 12px; position: relative; }
.pipe-step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 28px;
    right: -16px;
    width: 32px;
    height: 2px;
    background: linear-gradient(90deg, var(--cyan-light), transparent);
}
.pipe-num {
    width: 58px; height: 58px; margin: 0 auto 16px;
    border-radius: 50%;
    background: var(--ink);
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px; font-weight: 800;
    border: 3px solid var(--cyan-light);
    position: relative;
    z-index: 1;
}
.pipe-step h4 { margin: 0 0 6px; font-size: 16px; font-weight: 700; }
.pipe-step p { margin: 0; font-size: 13.5px; color: var(--slate-light); }
.kb-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    max-width: 880px;
    margin: 0 auto;
}
.kb-item {
    display: flex; align-items: center; gap: 12px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px 20px;
    font-size: 15px;
    font-weight: 500;
}
.kb-item .check {
    flex: none;
    width: 24px; height: 24px;
    border-radius: 50%;
    background: var(--cyan-50);
    color: var(--cyan);
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; font-size: 13px;
}

/* ============================================================
   Workflow
   ============================================================ */
.wf-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.wf-nodes { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.wf-node {
    display: flex; align-items: center; gap: 12px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-left: 4px solid var(--cyan);
    border-radius: 10px;
    padding: 14px 16px;
    font-weight: 600;
    font-size: 15px;
    box-shadow: var(--shadow-sm);
}
.wf-node .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--cyan); flex: none; }
.wf-flow {
    background: var(--ink);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    box-shadow: var(--shadow-lg);
}
.wf-pill {
    display: flex; align-items: center; gap: 14px;
    background: rgba(30, 41, 59, .8);
    border: 1px solid rgba(148, 163, 184, .2);
    border-radius: 12px;
    padding: 14px 18px;
    color: #e2e8f0;
    font-weight: 600;
    margin-bottom: 10px;
}
.wf-pill .badge {
    width: 30px; height: 30px; flex: none;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--cyan-light), var(--cyan));
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 14px; font-weight: 700;
}
.wf-arrow { text-align: center; color: var(--slate-300); margin: 2px 0; font-size: 14px; }

/* ============================================================
   Channels & Agent
   ============================================================ */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.panel {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px;
    box-shadow: var(--shadow-sm);
}
.panel h3 { margin: 0 0 22px; font-size: 22px; display: flex; align-items: center; gap: 10px; }
.panel h3 .pin { width: 36px; height: 36px; border-radius: 10px; background: var(--cyan-50); color: var(--cyan); display: inline-flex; align-items: center; justify-content: center; }
.list-row { display: flex; align-items: flex-start; gap: 14px; padding: 14px 0; border-top: 1px solid var(--border); }
.list-row:first-of-type { border-top: 0; }
.list-row .ic { flex: none; width: 40px; height: 40px; border-radius: 10px; background: linear-gradient(135deg, var(--cyan-50), var(--cyan-100)); color: var(--cyan-dark); display: flex; align-items: center; justify-content: center; }
.list-row h4 { margin: 0 0 2px; font-size: 16px; }
.list-row p { margin: 0; font-size: 14px; color: var(--slate); }

/* ============================================================
   Tech stack & security (dark)
   ============================================================ */
.tech-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-bottom: 40px; }
.tech-card {
    background: rgba(30, 41, 59, .6);
    border: 1px solid rgba(148, 163, 184, .15);
    border-radius: var(--radius);
    padding: 24px 26px;
}
.tech-card .tag { font-size: 13px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--cyan-light); margin-bottom: 10px; }
.tech-card p { margin: 0; color: #cbd5e1; font-size: 15.5px; line-height: 1.7; }
.sec-wrap { background: rgba(8, 145, 178, .08); border: 1px solid rgba(6, 182, 212, .25); border-radius: var(--radius-lg); padding: 32px; }
.sec-wrap h3 { margin: 0 0 20px; font-size: 20px; color: #fff; display: flex; align-items: center; gap: 10px; }
.sec-wrap h3 svg { width: 24px; height: 24px; flex: none; }
.sec-item .shield svg { width: 18px; height: 18px; }
.sec-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.sec-item { display: flex; align-items: center; gap: 10px; color: #cbd5e1; font-size: 14.5px; font-weight: 500; }
.sec-item .shield { color: var(--cyan-light); flex: none; }

/* ============================================================
   Target market
   ============================================================ */
.market-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow-sm);
    transition: transform .2s ease, box-shadow .2s ease;
}
.market-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.market-card .m-ico { width: 50px; height: 50px; border-radius: 13px; background: linear-gradient(135deg, var(--cyan-50), var(--cyan-100)); color: var(--cyan-dark); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.market-card h3 { margin: 0 0 8px; font-size: 19px; }
.market-card p { margin: 0 0 16px; color: var(--slate); font-size: 15px; }
.market-card .kpi {
    display: inline-block;
    background: var(--cyan-50);
    color: var(--cyan-dark);
    font-weight: 700;
    font-size: 14px;
    padding: 6px 14px;
    border-radius: 999px;
}

/* ============================================================
   Comparison table
   ============================================================ */
.table-wrap { overflow-x: auto; border-radius: var(--radius); box-shadow: var(--shadow-md); border: 1px solid var(--border); }
table.compare { width: 100%; border-collapse: collapse; background: #fff; min-width: 820px; }
table.compare th, table.compare td { padding: 16px 18px; text-align: left; border-bottom: 1px solid var(--border); font-size: 15px; }
table.compare thead th { background: var(--ink); color: #fff; font-weight: 700; font-size: 15px; }
table.compare thead th.us { background: var(--cyan); position: relative; }
table.compare tbody td:first-child { font-weight: 700; color: var(--ink); }
table.compare td.us { background: var(--cyan-50); font-weight: 700; color: var(--cyan-dark); }
table.compare tbody tr:hover td { background: #fbfdff; }
table.compare tbody tr:hover td.us { background: #e0f7fb; }
.compare-note {
    margin-top: 24px;
    text-align: center;
    background: linear-gradient(135deg, var(--cyan-50), var(--cyan-100));
    border: 1px solid var(--cyan-100);
    border-radius: 12px;
    padding: 18px 24px;
    font-weight: 700;
    color: var(--cyan-deep);
    font-size: 16px;
}

/* ============================================================
   Key advantages (big numbered)
   ============================================================ */
.adv-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 34px;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
    transition: transform .2s ease, box-shadow .2s ease;
}
.adv-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.adv-card .num {
    font-size: 56px;
    font-weight: 800;
    line-height: 1;
    background: linear-gradient(135deg, var(--cyan-light), var(--cyan-dark));
    -webkit-background-clip: text; background-clip: text; color: transparent;
    margin-bottom: 12px;
}
.adv-card h3 { margin: 0 0 6px; font-size: 21px; }
.adv-card .sub { color: var(--cyan); font-weight: 700; font-size: 15px; margin: 0 0 12px; }
.adv-card p { margin: 0; color: var(--slate); font-size: 15px; }

/* ============================================================
   Pricing
   ============================================================ */
.price-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; align-items: stretch; }
.price-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 26px;
    display: flex; flex-direction: column;
    box-shadow: var(--shadow-sm);
}
.price-card.best {
    border: 2px solid var(--cyan);
    box-shadow: var(--shadow-lg);
    position: relative;
    transform: scale(1.03);
}
.price-badge {
    position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
    background: linear-gradient(135deg, var(--cyan-light), var(--cyan));
    color: #fff; font-size: 12.5px; font-weight: 800; letter-spacing: .08em;
    padding: 6px 16px; border-radius: 999px; white-space: nowrap;
}
.price-card .brand { font-size: 20px; font-weight: 800; margin: 0 0 4px; }
.price-card .desc { font-size: 13.5px; color: var(--slate-light); margin: 0 0 18px; min-height: 38px; }
.price-card .amount { font-size: 26px; font-weight: 800; color: var(--ink); margin: 0 0 4px; }
.price-card.best .amount { color: var(--cyan); }
.price-card .per { font-size: 13px; color: var(--slate-light); margin: 0 0 22px; }
.price-card ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.price-card ul li { font-size: 14px; color: var(--slate); display: flex; gap: 8px; align-items: flex-start; }
.price-card ul li .yes { color: var(--emerald); font-weight: 800; flex: none; }
.price-card ul li .no { color: var(--rose); font-weight: 800; flex: none; }
.price-card ul li .dot2 { color: var(--slate-300); flex: none; }
.price-note { text-align: center; margin-top: 28px; color: var(--slate-light); font-size: 13.5px; }

/* ============================================================
   CTA + demo form
   ============================================================ */
.cta {
    background:
        radial-gradient(700px 380px at 75% 0%, rgba(8, 145, 178, .4), transparent 60%),
        var(--ink);
    color: #fff;
    text-align: center;
}
.cta .bot {
    width: 84px; height: 84px; margin: 0 auto 24px;
    border-radius: 22px;
    background: var(--cyan-50);
    display: flex; align-items: center; justify-content: center;
}
.cta .bot img { width: 52px; }
.cta h2 { font-size: clamp(30px, 4.5vw, 44px); font-weight: 800; margin: 0 0 14px; letter-spacing: -0.02em; }
.cta p.lead { font-size: 19px; color: #cbd5e1; margin: 0 0 32px; }

.demo-form {
    max-width: 560px;
    margin: 40px auto 0;
    background: rgba(30, 41, 59, .55);
    border: 1px solid rgba(148, 163, 184, .2);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: left;
}
.demo-form .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 14px; font-weight: 600; color: #cbd5e1; margin-bottom: 7px; }
.field input, .field textarea {
    width: 100%;
    padding: 12px 14px;
    border-radius: 10px;
    border: 1px solid rgba(148, 163, 184, .3);
    background: rgba(15, 23, 42, .6);
    color: #fff;
    font-size: 15px;
    font-family: inherit;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--cyan-light); box-shadow: 0 0 0 3px rgba(6, 182, 212, .25); }
.field input::placeholder, .field textarea::placeholder { color: #64748b; }
.demo-form .btn-primary { width: 100%; justify-content: center; margin-top: 6px; }
.text-danger { color: #fda4af; font-size: 13px; margin-top: 5px; display: block; }
.alert-success {
    max-width: 560px; margin: 24px auto 0;
    background: rgba(16, 185, 129, .15);
    border: 1px solid rgba(16, 185, 129, .4);
    color: #6ee7b7;
    border-radius: 14px;
    padding: 16px 22px;
    font-weight: 600;
}

/* ============================================================
   Footer
   ============================================================ */
.footer { background: #0b1120; color: #94a3b8; padding: 56px 0 32px; }
.footer-top { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; margin-bottom: 36px; }
.footer-brand img { height: 30px; margin-bottom: 14px; }
.footer-brand p { max-width: 320px; font-size: 14.5px; margin: 0; }
.footer-cols { display: flex; gap: 64px; flex-wrap: wrap; }
.footer-cols h5 { color: #e2e8f0; font-size: 14px; margin: 0 0 14px; letter-spacing: .04em; }
.footer-cols a, .footer-cols span { display: block; font-size: 14px; margin-bottom: 9px; color: #94a3b8; }
.footer-cols a:hover { color: var(--cyan-light); }
.footer-bottom { border-top: 1px solid rgba(148, 163, 184, .15); padding-top: 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 13.5px; }

/* ============================================================
   Reveal animation
   Content is visible by DEFAULT (no-JS / crawler / print / screenshot safe).
   Only when JS adds `.js-reveal` to <html> do we hide-then-animate on scroll.
   ============================================================ */
.reveal { opacity: 1; transform: none; transition: opacity .6s ease, transform .6s ease; }
.js-reveal .reveal { opacity: 0; transform: translateY(24px); }
.js-reveal .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
    .js-reveal .reveal { opacity: 1; transform: none; }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 980px) {
    .hero-grid { grid-template-columns: 1fr; gap: 40px; }
    .hero-visual { order: -1; }
    .stat-grid, .sec-grid { grid-template-columns: repeat(2, 1fr); }
    .cols-3, .cols-5, .type-grid, .price-grid, .pipeline, .tech-grid { grid-template-columns: repeat(2, 1fr); }
    .pipeline { gap: 28px; }
    .pipe-step::after { display: none; }
    .wf-wrap, .split { grid-template-columns: 1fr; }
    .price-card.best { transform: none; }
}
@media (max-width: 680px) {
    section { padding: 64px 0; }
    .nav-links { display: none; }
    .nav-toggle { display: block; }
    .nav-links.open {
        display: flex; flex-direction: column; align-items: flex-start;
        position: absolute; top: 70px; left: 0; right: 0;
        background: #fff; padding: 20px 24px; gap: 18px;
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-md);
    }
    .nav-cta { align-self: flex-start; }
    .stat-grid, .cols-2, .cols-3, .cols-5, .type-grid, .price-grid, .pipeline, .tech-grid, .kb-list, .sec-grid { grid-template-columns: 1fr; }
    .demo-form .row2 { grid-template-columns: 1fr; }
    .hero-meta { gap: 22px; }
}