/* =========================================================================
   Aguacatech, Marketing site stylesheet
   ========================================================================= */

/* ---------- Tokens ---------- */
:root {
    /* Surface */
    --bg-0: #07090a;
    --bg-1: #0c0f10;
    --bg-2: #11161a;
    --surface-1: rgba(255, 255, 255, 0.03);
    --surface-2: rgba(255, 255, 255, 0.06);
    --surface-3: rgba(255, 255, 255, 0.09);
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.16);

    /* Text */
    --text-primary: #f5f7f6;
    --text-secondary: rgba(245, 247, 246, 0.7);
    --text-tertiary: rgba(245, 247, 246, 0.45);

    /* Accent + tiers */
    --green: #34c873;
    --green-deep: #1d8c4d;
    --green-light: #5be08f;
    --pro: #34c873;
    --sentinel: #7a78c8;
    --power: #e07534;

    /* Effects */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 24px 64px rgba(0, 0, 0, 0.5);
    --shadow-green: 0 12px 48px rgba(52, 200, 115, 0.18);

    /* Type */
    --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Monaco, "JetBrains Mono", Consolas, monospace;

    /* Radius */
    --r-sm: 6px;
    --r-md: 10px;
    --r-lg: 16px;
    --r-xl: 22px;
    --r-pill: 999px;

    /* Layout */
    --container: 1200px;
    --container-narrow: 880px;

    /* Transitions */
    --t-fast: 120ms cubic-bezier(0.2, 0.7, 0.3, 1);
    --t-med: 220ms cubic-bezier(0.2, 0.7, 0.3, 1);
    --t-slow: 420ms cubic-bezier(0.2, 0.7, 0.3, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
body {
    margin: 0;
    padding: 0;
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-0);
    overflow-x: hidden;
}
h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: 600; line-height: 1.15; letter-spacing: -0.02em; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; }
ul, ol { margin: 0; padding: 0; list-style: none; }

::selection { background: rgba(52, 200, 115, 0.35); color: #fff; }

/* ---------- Background ambient ---------- */
body::before {
    content: '';
    position: fixed;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 1400px;
    height: 800px;
    background:
        radial-gradient(ellipse at 20% 30%, rgba(52, 200, 115, 0.14), transparent 55%),
        radial-gradient(ellipse at 80% 60%, rgba(122, 120, 200, 0.08), transparent 60%);
    pointer-events: none;
    z-index: 0;
    filter: blur(20px);
}

/* ---------- Layout helpers ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }
.container-narrow { max-width: var(--container-narrow); }
.section { padding: 96px 0; position: relative; z-index: 1; }
.section-sm { padding: 56px 0; }
.section-lg { padding: 140px 0; }
.eyebrow {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--green-light);
    margin-bottom: 14px;
}

/* ---------- Typography ---------- */
.h1 { font-size: clamp(40px, 6vw, 72px); font-weight: 700; letter-spacing: -0.025em; }
.h2 { font-size: clamp(28px, 3.5vw, 44px); font-weight: 650; }
.h3 { font-size: clamp(20px, 2.2vw, 26px); font-weight: 600; }
.lead { font-size: 19px; line-height: 1.55; color: var(--text-secondary); max-width: 620px; }
.muted { color: var(--text-secondary); }
.mono { font-family: var(--font-mono); font-size: 13px; }

/* Gradient text */
.gradient-text {
    background: linear-gradient(110deg, #fff 30%, var(--green-light) 70%, var(--green) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ---------- Nav ---------- */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(18px) saturate(140%);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
    background: rgba(7, 9, 10, 0.7);
    border-bottom: 1px solid transparent;
    transition: border-color var(--t-med);
}
.nav.is-scrolled { border-bottom-color: var(--border); }
.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    padding: 0 24px;
    max-width: var(--container);
    margin: 0 auto;
}
.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 17px;
    letter-spacing: -0.01em;
}
.brand svg { width: 26px; height: 26px; }
.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}
.nav-links a {
    font-size: 14.5px;
    color: var(--text-secondary);
    transition: color var(--t-fast);
}
.nav-links a:hover { color: var(--text-primary); }
.nav-cta {
    display: flex;
    gap: 10px;
    align-items: center;
}
.nav-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    padding: 6px 10px;
    color: var(--text-primary);
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: var(--r-pill);
    font-size: 14.5px;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: transform var(--t-fast), background var(--t-fast), border-color var(--t-fast), box-shadow var(--t-med);
    white-space: nowrap;
    line-height: 1;
}
.btn-primary {
    background: linear-gradient(180deg, var(--green-light), var(--green));
    color: #06140a;
    box-shadow: var(--shadow-green);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 16px 60px rgba(52, 200, 115, 0.32); }
.btn-secondary {
    background: var(--surface-2);
    color: var(--text-primary);
    border-color: var(--border);
}
.btn-secondary:hover { background: var(--surface-3); border-color: var(--border-strong); }
.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}
.btn-ghost:hover { color: var(--text-primary); }
.btn-lg { padding: 16px 30px; font-size: 16px; }
.btn-sm { padding: 8px 14px; font-size: 13px; }
.btn .arrow { transition: transform var(--t-fast); }
.btn:hover .arrow { transform: translateX(3px); }

/* ---------- Hero ---------- */
.hero {
    padding: 120px 0 80px;
    position: relative;
    z-index: 1;
}
.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: var(--r-pill);
    background: var(--surface-2);
    border: 1px solid var(--border);
    font-size: 12.5px;
    color: var(--text-secondary);
    margin-bottom: 22px;
}
.hero-eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px var(--green); }
.hero h1 { margin-bottom: 22px; max-width: 900px; }
.hero .lead { margin-bottom: 36px; font-size: 21px; max-width: 660px; }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-meta {
    display: flex;
    gap: 28px;
    margin-top: 56px;
    flex-wrap: wrap;
    color: var(--text-tertiary);
    font-size: 13.5px;
}
.hero-meta .meta-item {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}
.hero-meta svg { width: 14px; height: 14px; opacity: 0.7; }

/* Hero visual / mock window */
.hero-visual {
    margin-top: 80px;
    border-radius: var(--r-xl);
    border: 1px solid var(--border);
    background: linear-gradient(180deg, var(--bg-2), var(--bg-1));
    overflow: hidden;
    box-shadow: var(--shadow-lg), 0 0 0 1px var(--border);
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}
.hero-visual::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(180deg, rgba(52, 200, 115, 0.25), transparent 30%);
    border-radius: inherit;
    z-index: -1;
    filter: blur(20px);
    opacity: 0.7;
}
.window-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.02);
}
.traffic-light { width: 11px; height: 11px; border-radius: 50%; }
.traffic-light.red { background: #ff5f57; }
.traffic-light.yellow { background: #ffbd2e; }
.traffic-light.green { background: #28c840; }
.window-title {
    margin-left: 12px;
    font-size: 12px;
    color: var(--text-tertiary);
    font-family: var(--font-mono);
}
.window-body {
    padding: 36px 28px 28px;
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 24px;
    min-height: 380px;
}
.mock-sidebar { display: flex; flex-direction: column; gap: 6px; }
.mock-sidebar .group { font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-tertiary); padding: 12px 8px 6px; }
.mock-sidebar .item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 10px;
    border-radius: var(--r-sm);
    color: var(--text-secondary);
    font-size: 13px;
}
.mock-sidebar .item.active { background: rgba(52, 200, 115, 0.12); color: var(--green-light); }
.mock-sidebar .item .icon { width: 14px; height: 14px; opacity: 0.7; }
.mock-content {
    padding: 6px 8px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.mock-card {
    background: rgba(52, 200, 115, 0.06);
    border: 1px solid rgba(52, 200, 115, 0.18);
    border-radius: var(--r-md);
    padding: 14px 16px;
    display: flex;
    gap: 12px;
    align-items: flex-start;
}
.mock-card .icon { width: 22px; height: 22px; flex-shrink: 0; color: var(--green-light); }
.mock-card h4 { font-size: 14px; margin-bottom: 4px; }
.mock-card p { font-size: 12.5px; color: var(--text-secondary); line-height: 1.5; }
.mock-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.mock-kpi {
    padding: 12px;
    border-radius: var(--r-md);
    border: 1px solid var(--border);
    background: var(--surface-1);
}
.mock-kpi .label { font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-tertiary); margin-bottom: 4px; }
.mock-kpi .value { font-size: 19px; font-weight: 600; font-family: var(--font-mono); }
.mock-kpi.green .value { color: var(--green-light); }
.mock-kpi.purple .value { color: var(--sentinel); }
.mock-kpi.orange .value { color: var(--power); }

/* ---------- Section headers ---------- */
.section-header { text-align: center; margin-bottom: 64px; }
.section-header h2 { margin-bottom: 14px; }
.section-header p { color: var(--text-secondary); max-width: 620px; margin: 0 auto; font-size: 17px; }

/* ---------- Pillars ---------- */
.pillars {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}
.pillar {
    background: linear-gradient(180deg, var(--surface-2), var(--surface-1));
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 32px 28px;
    transition: transform var(--t-med), border-color var(--t-med), background var(--t-med);
    position: relative;
    overflow: hidden;
}
.pillar:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.pillar-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    margin-bottom: 22px;
    background: rgba(52, 200, 115, 0.12);
    color: var(--green-light);
}
.pillar.sentinel .pillar-icon { background: rgba(122, 120, 200, 0.12); color: var(--sentinel); }
.pillar.power .pillar-icon { background: rgba(224, 117, 52, 0.12); color: var(--power); }
.pillar h3 { margin-bottom: 12px; font-size: 22px; }
.pillar p { color: var(--text-secondary); margin-bottom: 20px; }
.pillar ul li {
    font-size: 14px;
    color: var(--text-secondary);
    padding-left: 22px;
    position: relative;
    margin-bottom: 8px;
}
.pillar ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(52, 200, 115, 0.18);
}
.pillar ul li::after {
    content: '';
    position: absolute;
    left: 3px;
    top: 11px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--green);
}
.pillar.sentinel ul li::before { background: rgba(122, 120, 200, 0.18); }
.pillar.sentinel ul li::after { background: var(--sentinel); }
.pillar.power ul li::before { background: rgba(224, 117, 52, 0.18); }
.pillar.power ul li::after { background: var(--power); }

/* ---------- Trust strip ---------- */
.trust {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
    padding: 36px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    margin: 0;
}
.trust-item { display: flex; gap: 14px; align-items: flex-start; }
.trust-item .icon {
    width: 32px;
    height: 32px;
    color: var(--green);
    flex-shrink: 0;
    margin-top: 2px;
}
.trust-item h4 { font-size: 14.5px; margin-bottom: 4px; }
.trust-item p { font-size: 13px; color: var(--text-secondary); line-height: 1.5; }

/* ---------- Pricing ---------- */
.tier-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    align-items: stretch;
}
.tier {
    background: linear-gradient(180deg, var(--surface-2), var(--surface-1));
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    transition: transform var(--t-med), border-color var(--t-med), box-shadow var(--t-med);
    position: relative;
}
.tier:hover { transform: translateY(-4px); }
.tier.featured {
    border-color: rgba(52, 200, 115, 0.5);
    box-shadow: 0 0 0 1px rgba(52, 200, 115, 0.3), var(--shadow-green);
}
.tier-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(180deg, var(--green-light), var(--green));
    color: #06140a;
    font-size: 11px;
    font-weight: 700;
    padding: 5px 12px;
    border-radius: var(--r-pill);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
.tier-name {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
}
.tier-name .dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
}
.tier.free .tier-name .dot { background: #888; }
.tier.pro .tier-name .dot { background: var(--pro); }
.tier.sentinel .tier-name .dot { background: var(--sentinel); }
.tier.power .tier-name .dot { background: var(--power); }
.tier-tagline { font-size: 13.5px; color: var(--text-secondary); margin-bottom: 22px; min-height: 40px; }
.tier-price { margin-bottom: 22px; }
.tier-price .amount { font-size: 36px; font-weight: 700; letter-spacing: -0.02em; }
.tier-price .sub { color: var(--text-tertiary); font-size: 13px; margin-top: 2px; }
.tier-features {
    list-style: none;
    padding: 0;
    margin: 0 0 28px 0;
    flex: 1;
}
.tier-features li {
    padding: 7px 0 7px 24px;
    font-size: 13.5px;
    color: var(--text-secondary);
    position: relative;
    line-height: 1.45;
}
.tier-features li::before {
    content: '';
    position: absolute;
    left: 4px;
    top: 12px;
    width: 11px;
    height: 6px;
    border-left: 1.5px solid var(--green);
    border-bottom: 1.5px solid var(--green);
    transform: rotate(-45deg);
}
.tier.sentinel .tier-features li::before { border-color: var(--sentinel); }
.tier.power .tier-features li::before { border-color: var(--power); }
.tier-cta { margin-top: auto; }
.tier-cta .btn { width: 100%; }

/* ---------- Feature deep-dive grid ---------- */
.features-deep {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}
.feat-card {
    background: var(--surface-1);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 26px;
}
.feat-card .feat-head {
    display: flex;
    gap: 14px;
    align-items: center;
    margin-bottom: 14px;
}
.feat-card .icon {
    width: 38px;
    height: 38px;
    flex-shrink: 0;
    color: var(--green-light);
    background: rgba(52, 200, 115, 0.12);
    border-radius: var(--r-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}
.feat-card h4 { font-size: 18px; margin-bottom: 0; }
.feat-card p { color: var(--text-secondary); font-size: 14.5px; }

/* ---------- FAQ ---------- */
.faq { max-width: 760px; margin: 0 auto; }
.faq details {
    background: var(--surface-1);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 16px 20px;
    margin-bottom: 10px;
    transition: border-color var(--t-fast), background var(--t-fast);
}
.faq details[open] { background: var(--surface-2); border-color: var(--border-strong); }
.faq summary {
    cursor: pointer;
    font-weight: 600;
    font-size: 15.5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
    content: '+';
    font-size: 22px;
    color: var(--green-light);
    transition: transform var(--t-fast);
    line-height: 1;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p {
    color: var(--text-secondary);
    font-size: 14.5px;
    margin-top: 12px;
    line-height: 1.6;
}

/* ---------- CTA banner ---------- */
.cta-banner {
    background:
        radial-gradient(ellipse at 30% 40%, rgba(52, 200, 115, 0.25), transparent 60%),
        linear-gradient(180deg, var(--bg-2), var(--bg-1));
    border: 1px solid var(--border-strong);
    border-radius: var(--r-xl);
    padding: 64px 48px;
    text-align: center;
    box-shadow: var(--shadow-green);
}
.cta-banner h2 { margin-bottom: 14px; }
.cta-banner p { color: var(--text-secondary); max-width: 540px; margin: 0 auto 28px; font-size: 17px; }
.cta-banner .actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.footer {
    background: linear-gradient(180deg, var(--bg-0), var(--bg-1));
    border-top: 1px solid var(--border);
    padding: 64px 0 36px;
    position: relative;
    z-index: 1;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 42px;
    margin-bottom: 48px;
}
.footer .brand { margin-bottom: 12px; font-size: 18px; }
.footer-tagline { color: var(--text-secondary); font-size: 14px; max-width: 320px; line-height: 1.55; }
.footer-col h5 {
    font-size: 11.5px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--text-tertiary);
    margin-bottom: 18px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
    color: var(--text-secondary);
    font-size: 14px;
    transition: color var(--t-fast);
}
.footer-col ul li a:hover { color: var(--text-primary); }
.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 32px;
    border-top: 1px solid var(--border);
    font-size: 12.5px;
    color: var(--text-tertiary);
    flex-wrap: wrap;
    gap: 16px;
}

/* ---------- Buy page ---------- */
.buy-hero {
    text-align: center;
    padding: 80px 0 48px;
}
.buy-hero h1 { font-size: clamp(36px, 5vw, 56px); margin-bottom: 16px; }
.buy-hero p { color: var(--text-secondary); max-width: 580px; margin: 0 auto; font-size: 18px; }
.buy-tier-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 18px;
    margin-top: 48px;
}
.paypal-container {
    margin-top: 18px;
    min-height: 50px;
}
.paypal-fallback {
    font-size: 12.5px;
    color: var(--text-tertiary);
    text-align: center;
    margin-top: 10px;
}

/* ---------- Success page ---------- */
.success-hero {
    text-align: center;
    padding: 120px 0 64px;
    max-width: 620px;
    margin: 0 auto;
}
.success-check {
    width: 80px;
    height: 80px;
    margin: 0 auto 28px;
    border-radius: 50%;
    background: linear-gradient(180deg, var(--green-light), var(--green));
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-green);
}
.success-check svg { color: #06140a; width: 36px; height: 36px; }
.success-hero h1 { margin-bottom: 16px; }
.success-hero p { color: var(--text-secondary); font-size: 17px; margin-bottom: 12px; }
.success-receipt {
    background: var(--surface-1);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 22px 24px;
    margin: 36px auto;
    max-width: 480px;
    text-align: left;
    font-family: var(--font-mono);
    font-size: 13px;
}
.success-receipt .row { display: flex; justify-content: space-between; padding: 6px 0; }
.success-receipt .row span:first-child { color: var(--text-tertiary); }

/* ---------- Privacy / docs pages ---------- */
.docs {
    padding: 80px 0 96px;
    max-width: 760px;
    margin: 0 auto;
    line-height: 1.7;
}
.docs h1 { margin-bottom: 28px; }
.docs h2 { margin: 40px 0 14px; }
.docs h3 { margin: 28px 0 10px; font-size: 17px; }
.docs p { color: var(--text-secondary); margin-bottom: 14px; }
.docs ul { margin: 0 0 18px 22px; }
.docs ul li { padding: 6px 0; color: var(--text-secondary); list-style: disc; }
.docs code {
    background: var(--surface-2);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--green-light);
}

/* ---------- 404 ---------- */
.not-found {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 96px 24px;
}
.not-found .code {
    font-family: var(--font-mono);
    font-size: 160px;
    font-weight: 600;
    color: var(--green-light);
    line-height: 1;
    opacity: 0.6;
    margin-bottom: 8px;
}
.not-found h1 { font-size: 32px; margin-bottom: 14px; }

/* ---------- Reveal animation ---------- */
.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 600ms cubic-bezier(0.2, 0.7, 0.3, 1), transform 600ms cubic-bezier(0.2, 0.7, 0.3, 1);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
    html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
    .section { padding: 72px 0; }
    .nav-links { display: none; }
    .nav-toggle { display: inline-flex; }
    .pillars { grid-template-columns: 1fr; }
    .features-deep { grid-template-columns: 1fr; }
    .tier-grid { grid-template-columns: repeat(2, 1fr); }
    .trust { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .window-body { grid-template-columns: 1fr; }
    .mock-sidebar { display: none; }
}
@media (max-width: 600px) {
    .tier-grid { grid-template-columns: 1fr; }
    .trust { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .hero { padding: 80px 0 56px; }
    .hero .lead { font-size: 18px; }
    .cta-banner { padding: 44px 24px; }
    .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
    .nav-download { display: none; }
}

/* ---------- Feature carousel ---------- */
.carousel {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 32px;
    outline: none;
}
.carousel:focus-visible .carousel-frame {
    box-shadow: var(--shadow-lg), 0 0 0 2px var(--green);
}
.carousel-window {
    position: relative;
    max-width: 1080px;
    margin: 0 auto;
    width: 100%;
}
.carousel-frame {
    background: var(--bg-1);
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg), var(--shadow-green);
    transition: box-shadow var(--t-med);
}
.carousel-track {
    position: relative;
    width: 100%;
    aspect-ratio: 707 / 457;
    background: var(--bg-2);
    overflow: hidden;
    touch-action: pan-y;
}
.carousel-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transform: translateX(24px) scale(0.99);
    transition: opacity var(--t-slow), transform var(--t-slow);
    pointer-events: none;
    will-change: opacity, transform;
}
.carousel-slide.is-active {
    opacity: 1;
    transform: translateX(0) scale(1);
    pointer-events: auto;
    z-index: 1;
}
.carousel-slide.is-leaving {
    transform: translateX(-24px) scale(0.99);
}
.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top left;
    user-select: none;
    -webkit-user-drag: none;
}
.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: var(--r-pill);
    background: rgba(7, 9, 10, 0.72);
    backdrop-filter: blur(16px) saturate(160%);
    -webkit-backdrop-filter: blur(16px) saturate(160%);
    border: 1px solid var(--border-strong);
    color: var(--text-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    z-index: 3;
    transition: background var(--t-fast), border-color var(--t-fast), transform var(--t-fast), opacity var(--t-fast);
    opacity: 0.85;
}
.carousel-arrow:hover {
    background: rgba(52, 200, 115, 0.18);
    border-color: var(--green);
    color: var(--green-light);
    opacity: 1;
}
.carousel-arrow:active { transform: translateY(-50%) scale(0.94); }
.carousel-arrow.prev { left: 16px; }
.carousel-arrow.next { right: 16px; }

.carousel-caption {
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
    min-height: 120px;
}
.carousel-eyebrow {
    display: inline-block;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--green-light);
    font-weight: 600;
    margin-bottom: 10px;
}
.carousel-title {
    font-size: 28px;
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
    color: var(--text-primary);
}
.carousel-caption p {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.6;
}
.carousel-caption.is-swapping .carousel-eyebrow,
.carousel-caption.is-swapping .carousel-title,
.carousel-caption.is-swapping p {
    opacity: 0;
    transform: translateY(4px);
}
.carousel-caption .carousel-eyebrow,
.carousel-caption .carousel-title,
.carousel-caption p {
    transition: opacity var(--t-med), transform var(--t-med);
}

.carousel-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    max-width: 720px;
    margin: 0 auto;
}
.carousel-dots {
    display: flex;
    gap: 8px;
    align-items: center;
}
.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--r-pill);
    background: var(--surface-3);
    border: none;
    padding: 0;
    transition: background var(--t-fast), width var(--t-fast);
}
.carousel-dot:hover { background: var(--surface-2); }
.carousel-dot.is-active {
    background: var(--green);
    width: 28px;
}
.carousel-counter {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-tertiary);
    letter-spacing: 0.06em;
    font-variant-numeric: tabular-nums;
}

@media (max-width: 700px) {
    .carousel { gap: 24px; }
    .carousel-arrow { width: 36px; height: 36px; }
    .carousel-arrow.prev { left: 8px; }
    .carousel-arrow.next { right: 8px; }
    .carousel-title { font-size: 22px; }
    .carousel-caption p { font-size: 15px; }
    .carousel-caption { min-height: 140px; }
}

@media (prefers-reduced-motion: reduce) {
    .carousel-slide,
    .carousel-caption .carousel-eyebrow,
    .carousel-caption .carousel-title,
    .carousel-caption p { transition: opacity var(--t-fast); transform: none; }
    .carousel-slide { transform: none !important; }
}