/* AVIS landing: same visual language as the application (light canvas, ink text, AVIS blue, 8px cards). */
:root {
    --ink: #142033;
    --muted: #526176;
    --blue: #164be9;
    --blue-hover: #123ec7;
    --blue-soft: #eaf0ff;
    --blue-line: #c9d6fb;
    --canvas: #f8fafd;
    --white: #fff;
    --line: #d9e1ec;
    --green: #12805c;
    --green-soft: #e6f6ee;
    --amber: #b86e00;
    --amber-soft: #fff3d6;
    --violet: #5b3fd1;
    --violet-soft: #efeaff;
    --radius: 12px;
    --shadow: 0 1px 2px rgba(20, 32, 51, .05), 0 12px 32px rgba(22, 75, 233, .08);
    --font-body: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-display: "Manrope", var(--font-body);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; background: var(--canvas); }

body {
    margin: 0;
    overflow-x: hidden;
    background: var(--canvas);
    color: var(--ink);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; }
h1, h2, h3, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; }

.wrap { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }

.skip-link {
    position: absolute; left: 16px; top: -60px; z-index: 100;
    padding: 10px 16px; border-radius: 8px; background: var(--blue); color: #fff; text-decoration: none;
}
.skip-link:focus { top: 12px; }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    min-height: 40px; padding: 0 18px;
    border: 1px solid transparent; border-radius: 8px;
    font-size: 15px; font-weight: 650; text-decoration: none; cursor: pointer;
    transition: background .15s, border-color .15s, transform .15s, box-shadow .15s;
}
.btn svg { width: 17px; height: 17px; }
.btn-lg { min-height: 50px; padding: 0 24px; font-size: 16px; }
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 8px 20px rgba(22, 75, 233, .28); }
.btn-primary:hover { background: var(--blue-hover); transform: translateY(-1px); }
.btn-ghost { background: #fff; border-color: #c4d2ef; color: var(--blue); }
.btn-ghost:hover { background: var(--blue-soft); border-color: #a8baf0; }
.btn-light { background: #fff; color: var(--blue); }
.btn-light:hover { transform: translateY(-1px); box-shadow: 0 10px 28px rgba(0, 0, 0, .2); }

/* Header */
.site-header {
    position: sticky; top: 0; z-index: 50;
    border-bottom: 1px solid transparent;
    background: rgba(248, 250, 253, .86);
    backdrop-filter: blur(12px);
    transition: border-color .2s, box-shadow .2s;
}
.site-header.is-scrolled { border-color: var(--line); box-shadow: 0 6px 24px rgba(20, 32, 51, .06); }
.nav-shell { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 24px; min-height: 68px; }
.brand-lockup { display: inline-flex; }
.brand-logo { display: block; width: 124px; height: auto; }
.desktop-nav { display: flex; justify-content: center; gap: 4px; }
.desktop-nav a { padding: 8px 14px; border-radius: 8px; color: var(--muted); font-size: 14.5px; font-weight: 600; text-decoration: none; }
.desktop-nav a:hover { background: var(--blue-soft); color: var(--blue); }

/* Shared type */
.eyebrow { color: var(--blue); font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.head { max-width: 800px; margin-bottom: 48px; }
.head h2 { margin-top: 12px; font-family: var(--font-display); font-size: clamp(30px, 3.8vw, 46px); font-weight: 800; line-height: 1.14; letter-spacing: -.015em; }
.head .sub { margin-top: 16px; max-width: 680px; color: var(--muted); font-size: 18px; }
.tag { display: inline-block; padding: 4px 11px; border-radius: 999px; background: var(--blue-soft); color: #123aaf; font-size: 12px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }

section { padding: 96px 0; }

.card {
    padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow);
}
.card h3 { margin-top: 16px; font-family: var(--font-display); font-size: 26px; font-weight: 800; line-height: 1.2; }
.card p { margin-top: 10px; color: var(--muted); }
.card-accent { border-color: var(--blue-line); background: linear-gradient(180deg, #f2f6ff, #fff); }
.card ul { display: grid; gap: 10px; margin-top: 18px; }
.card li { position: relative; padding-left: 26px; }
.card li::before {
    position: absolute; left: 0; top: 7px; width: 14px; height: 14px; border-radius: 50%; background: var(--blue-soft);
    box-shadow: inset 0 0 0 4px var(--blue); content: "";
}

/* 1. Hero */
.hero {
    padding: 56px 0 0;
    background:
        radial-gradient(60% 60% at 85% 0%, rgba(22, 75, 233, .13), transparent 70%),
        radial-gradient(40% 50% at 0% 20%, rgba(54, 201, 214, .1), transparent 70%);
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr); align-items: center; gap: 56px; }
.pill {
    display: inline-flex; align-items: center; gap: 9px; padding: 7px 14px;
    border: 1px solid var(--blue-line); border-radius: 999px; background: #fff; color: #123aaf; font-size: 13px; font-weight: 700;
}
.pill-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 4px rgba(22, 75, 233, .18); }
.hero h1 { margin-top: 22px; font-family: var(--font-display); font-size: clamp(40px, 5.6vw, 68px); font-weight: 800; line-height: 1.04; letter-spacing: -.025em; }
.mark { background: linear-gradient(transparent 62%, rgba(22, 75, 233, .22) 62%); color: var(--blue); }
.hero-lead { margin-top: 22px; max-width: 560px; color: var(--muted); font-size: 19px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.trust-row { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 32px; color: var(--muted); font-size: 14px; font-weight: 600; }
.trust-row li { display: inline-flex; align-items: center; gap: 7px; }
.trust-row svg { width: 17px; height: 17px; color: var(--blue); }

.product { border: 1px solid var(--line); border-radius: 16px; background: #fff; box-shadow: 0 2px 4px rgba(20, 32, 51, .04), 0 28px 70px rgba(22, 75, 233, .16); overflow: hidden; }
.product-bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: #f5f7fb; font-size: 13px; font-weight: 650; }
.product-bar i { width: 10px; height: 10px; border-radius: 50%; background: #d3dbe7; }
.product-bar span { margin-left: 8px; }
.product-bar em { margin-left: auto; padding: 2px 9px; border-radius: 999px; background: var(--amber-soft); color: var(--amber); font-size: 11px; font-style: normal; font-weight: 700; }
.chat { display: grid; gap: 10px; padding: 18px; }
.chat p { display: flex; gap: 10px; padding: 12px 14px; border-radius: 10px; font-size: 14px; line-height: 1.5; }
.chat svg { flex: 0 0 auto; width: 17px; height: 17px; margin-top: 2px; }
.chat-q { background: #f5f7fb; color: var(--muted); }
.chat-a { background: var(--blue-soft); }
.chat-a svg { color: var(--blue); }
.chat-a b { color: var(--blue); background: #fff; padding: 0 6px; border-radius: 5px; }
.tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; padding: 0 18px; }
.tile { padding: 12px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.tile span { display: block; color: var(--muted); font-size: 11.5px; line-height: 1.3; }
.tile strong { display: block; margin-top: 4px; font-family: var(--font-display); font-size: 25px; font-weight: 800; line-height: 1.1; }
.tile-good strong { color: var(--green); }
.bars { display: grid; gap: 10px; padding: 18px; }
.bar-row { display: grid; grid-template-columns: 82px 1fr 38px; align-items: center; gap: 10px; font-size: 12.5px; color: var(--muted); }
.bar-row div { height: 9px; border-radius: 99px; background: #eef2f8; overflow: hidden; }
.bar-row i { display: block; width: 0; height: 100%; border-radius: 99px; background: linear-gradient(90deg, var(--blue), #5b86ff); transition: width 1.1s cubic-bezier(.2, .7, .2, 1) .3s; }
.product.is-visible .bar-row i { width: var(--w); }
.bar-row b { color: var(--ink); text-align: right; }

.platforms { padding: 56px 0 72px; text-align: center; }
.platforms p { color: var(--muted); font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.platforms ul { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 20px; }
.platforms li { display: inline-flex; align-items: center; gap: 9px; padding: 8px 15px; border: 1px solid var(--line); border-radius: 999px; background: #fff; font-size: 14px; font-weight: 600; }
.platforms li.more { border-style: dashed; color: var(--muted); }
.platforms li svg { width: 16px; height: 16px; }

/* 3. SEO to GEO */
.versus { display: grid; grid-template-columns: 1fr 48px 1fr; align-items: stretch; gap: 14px; }
.versus-arrow { display: grid; place-items: center; color: var(--blue); }
.versus-arrow svg { width: 30px; height: 30px; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 20px; }
.stat { padding: 28px; border-radius: var(--radius); background: var(--blue); color: #fff; box-shadow: 0 18px 40px rgba(22, 75, 233, .24); }
.stat:nth-child(2) { background: #0f3bc4; }
.stat:nth-child(3) { background: #0c2f9c; }
.stat strong { display: block; font-family: var(--font-display); font-size: 56px; font-weight: 800; line-height: 1; letter-spacing: -.02em; }
.stat .stat-text { font-size: 44px; padding: 6px 0; }
.stat p { margin-top: 14px; color: rgba(255, 255, 255, .88); font-size: 15px; }
.stat span { display: inline-block; margin-top: 16px; padding: 3px 10px; border-radius: 999px; background: rgba(255, 255, 255, .16); font-size: 12px; font-weight: 700; }

/* 4. Recognition */
.recognize { background: #fff; border-block: 1px solid var(--line); }
.flow { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.flow li { padding: 26px; border-radius: var(--radius); background: var(--blue-soft); border: 1px solid var(--blue-line); }
.flow li span { color: var(--blue); font-family: var(--font-display); font-weight: 800; }
.flow h3 { margin-top: 14px; font-family: var(--font-display); font-size: 22px; font-weight: 800; }
.flow p { margin-top: 8px; color: #3c4a5e; }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 20px; }
.compare .card { box-shadow: none; }
.compare ul { margin-top: 16px; }
.takeaway { display: flex; gap: 14px; align-items: flex-start; max-width: 880px; margin-top: 32px; padding: 18px 22px; border-radius: var(--radius); background: var(--amber-soft); color: #5a3b00; font-size: 17px; }
.takeaway svg { flex: 0 0 auto; width: 24px; height: 24px; margin-top: 2px; color: var(--amber); }

/* 5. Framework */
.pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.pillar { display: flex; flex-direction: column; padding: 26px; border: 1px solid transparent; border-radius: var(--radius); }
.pillar > svg { width: 34px; height: 34px; }
.pillar .tag { align-self: flex-start; margin-top: 22px; background: #fff; }
.pillar h3 { margin-top: 14px; font-family: var(--font-display); font-size: 22px; font-weight: 800; line-height: 1.22; }
.pillar ul { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; padding-top: 22px; }
.pillar li { padding: 5px 11px; border-radius: 999px; background: rgba(255, 255, 255, .85); font-size: 12.5px; font-weight: 650; }
.pillar-blue { background: var(--blue-soft); border-color: var(--blue-line); color: #123aaf; }
.pillar-green { background: var(--green-soft); border-color: #bfe6d3; color: var(--green); }
.pillar-amber { background: var(--amber-soft); border-color: #f2d899; color: var(--amber); }
.pillar-violet { background: var(--violet-soft); border-color: #d5c9fa; color: var(--violet); }
.pillar h3, .pillar li { color: var(--ink); }
.pillar-blue .tag { color: #123aaf; } .pillar-green .tag { color: var(--green); } .pillar-amber .tag { color: var(--amber); } .pillar-violet .tag { color: var(--violet); }

/* 6. Method */
.method { background: #fff; border-block: 1px solid var(--line); }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.steps li { padding-top: 20px; border-top: 3px solid var(--blue); }
.steps svg { width: 28px; height: 28px; color: var(--blue); }
.steps h3 { margin-top: 14px; font-family: var(--font-display); font-size: 22px; font-weight: 800; }
.steps p { margin-top: 8px; color: var(--muted); }
.modes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 56px; }
.modes .card { background: var(--canvas); box-shadow: none; }
.modes .card h3 { font-size: 23px; }
.monitor { display: grid; grid-template-columns: .85fr 1.15fr; align-items: center; gap: 40px; margin-top: 20px; padding: 36px; border: 1px solid var(--line); border-radius: 16px; background: linear-gradient(135deg, #f2f6ff, #fff 60%); box-shadow: var(--shadow); }
.monitor h3 { margin-top: 10px; font-family: var(--font-display); font-size: 32px; font-weight: 800; line-height: 1.15; }
.monitor-copy > p:not(.eyebrow) { margin-top: 14px; color: var(--muted); }
.legend { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 20px; font-size: 13px; font-weight: 650; }
.legend li { display: inline-flex; align-items: center; gap: 8px; }
.legend i { width: 18px; height: 4px; border-radius: 3px; }
.chart { padding: 16px 16px 10px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.chart svg { display: block; width: 100%; height: 240px; overflow: visible; }
.chart figcaption { margin-top: 6px; color: var(--muted); font-size: 12px; text-align: right; }
.grid line { stroke: #e6ecf5; stroke-width: 1; vector-effect: non-scaling-stroke; }
.line { fill: none; stroke-width: 3.2; stroke-linecap: round; stroke-dasharray: 1; stroke-dashoffset: 1; }
.l-blue { stroke: var(--blue); background: var(--blue); }
.l-green { stroke: #17a673; background: #17a673; }
.l-amber { stroke: #e0a21a; background: #e0a21a; }
.monitor.is-visible .line { animation: draw 1.8s cubic-bezier(.3, .6, .2, 1) forwards; }
.monitor.is-visible .l-green { animation-delay: .2s; }
.monitor.is-visible .l-blue { animation-delay: .4s; }
@keyframes draw { to { stroke-dashoffset: 0; } }

/* 7. Proof */
.proof-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr 1fr; gap: 18px; }
.proof-card { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.proof-card h3 { margin-top: 14px; font-family: var(--font-display); font-size: 21px; font-weight: 800; line-height: 1.25; }
.proof-card p { margin-top: 10px; color: var(--muted); font-size: 15px; }
.proof-card > svg { width: 30px; height: 30px; color: var(--blue); }
.proof-main { background: linear-gradient(160deg, var(--blue), #0c2f9c); border: 0; color: #fff; box-shadow: 0 22px 50px rgba(22, 75, 233, .3); }
.proof-main strong { display: block; font-family: var(--font-display); font-size: 86px; font-weight: 800; line-height: .95; letter-spacing: -.03em; }
.proof-main p { color: rgba(255, 255, 255, .86); }

/* 8. CTA */
.cta { padding: 24px 0 96px; }
.cta-box {
    display: flex; align-items: center; justify-content: space-between; gap: 32px; padding: 52px 56px;
    border-radius: 20px; color: #fff;
    background: radial-gradient(60% 120% at 100% 0%, rgba(120, 150, 255, .5), transparent 60%), linear-gradient(135deg, #164be9, #0c2f9c);
    box-shadow: 0 30px 70px rgba(22, 75, 233, .3);
}
.cta-box h2 { max-width: 640px; font-family: var(--font-display); font-size: clamp(30px, 3.6vw, 44px); font-weight: 800; line-height: 1.12; letter-spacing: -.015em; }
.cta-box p { margin-top: 12px; color: rgba(255, 255, 255, .85); font-size: 18px; }
.cta-box .btn { flex: 0 0 auto; }

.site-footer { padding: 28px 0; border-top: 1px solid var(--line); background: #fff; color: var(--muted); font-size: 14px; }
.footer-row { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 20px; }
.footer-row p { text-align: center; }
.footer-row > a:last-child { display: inline-flex; align-items: center; justify-self: end; gap: 6px; color: var(--blue); font-weight: 650; text-decoration: none; }
.footer-row svg { width: 15px; height: 15px; }

/* Motion */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease var(--reveal-delay, 0ms), transform .6s cubic-bezier(.2, .7, .2, 1) var(--reveal-delay, 0ms); }
.js .reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 1000px) {
    .desktop-nav { display: none; }
    .nav-shell { grid-template-columns: 1fr auto; }
    .hero-grid { grid-template-columns: 1fr; gap: 40px; }
    .flow, .modes, .compare, .stats { grid-template-columns: 1fr; }
    .versus { grid-template-columns: 1fr; }
    .versus-arrow { transform: rotate(90deg); padding: 2px 0; }
    .pillars, .steps { grid-template-columns: 1fr 1fr; }
    .monitor { grid-template-columns: 1fr; padding: 26px; }
    .proof-grid { grid-template-columns: 1fr 1fr; }
    .cta-box { flex-direction: column; align-items: flex-start; padding: 40px 32px; }
}

@media (max-width: 640px) {
    section { padding: 68px 0; }
    .hero { padding-top: 32px; }
    .wrap { width: calc(100% - 32px); }
    .nav-login { padding: 0 12px; }
    .pillars, .steps, .proof-grid { grid-template-columns: 1fr; }
    .tiles { grid-template-columns: 1fr 1fr; }
    .hero-actions .btn { width: 100%; }
    .head { margin-bottom: 32px; }
    .footer-row { grid-template-columns: 1fr auto; }
    .footer-row p { display: none; }
    .proof-main strong { font-size: 68px; }
    .cta-box .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .js .reveal { opacity: 1; transform: none; transition: none; }
    .bar-row i { width: var(--w); transition: none; }
    .line { stroke-dashoffset: 0; animation: none !important; }
}