/* ═══════════════════════════════════════════════════════════════
   VibeSentry — Pro-level Design System
   ═══════════════════════════════════════════════════════════════ */

:root {
    --accent: #0A84FF;
    --accent-dark: #0066CC;
    --accent-deeper: #004A99;
    --accent-light: #E8F4FD;
    --accent-glow: rgba(10, 132, 255, 0.15);
    --bg: #FFFFFF;
    --bg-alt: #F7F8FA;
    --bg-subtle: #FAFBFC;
    --text: #0F172A;
    --text-light: #475569;
    --muted: #94A3B8;
    --border: #E2E8F0;
    --border-light: #F1F5F9;
    --success: #10B981;
    --success-bg: #ECFDF5;
    --warning: #F59E0B;
    --warning-bg: #FFFBEB;
    --danger: #EF4444;
    --danger-bg: #FEF2F2;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-xs: 6px;
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
    --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 2px 8px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.06), 0 2px 4px rgba(0,0,0,0.04);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.08), 0 2px 8px rgba(0,0,0,0.04);
    --shadow-xl: 0 20px 50px rgba(0,0,0,0.1), 0 4px 12px rgba(0,0,0,0.05);
    --shadow-accent: 0 4px 14px rgba(10,132,255,0.25);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --max-w: 1120px;
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    color: var(--text);
    background: var(--bg);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

::selection { background: var(--accent-glow); color: var(--accent-dark); }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; }
.container-narrow { max-width: 700px; }
.text-center { text-align: center; }

/* ── Navbar ──────────────────────────────────────────────────── */

.navbar {
    position: sticky;
    top: 0;
    background: rgba(255,255,255,0.82);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border-bottom: 1px solid rgba(226,232,240,0.6);
    z-index: 100;
    padding: 0.65rem 0;
    transition: box-shadow var(--transition);
}
.navbar:hover { box-shadow: 0 1px 8px rgba(0,0,0,0.04); }

.nav-container { display: flex; align-items: center; justify-content: space-between; }

.logo {
    display: flex; align-items: center; gap: 0.65rem;
    text-decoration: none; color: var(--text);
    font-weight: 700; font-size: 1.2rem; letter-spacing: -0.02em;
}
.logo-mark { flex-shrink: 0; transition: transform var(--transition); }
.logo:hover .logo-mark { transform: scale(1.06); }
.logo-text { letter-spacing: -0.01em; }

.nav-links { display: flex; align-items: center; gap: 0.25rem; }
.nav-links a {
    text-decoration: none; color: var(--text-light);
    font-size: 0.9rem; font-weight: 500;
    padding: 0.45rem 0.85rem; border-radius: var(--radius-xs);
    transition: all var(--transition);
}
.nav-links a:hover { color: var(--accent); background: var(--accent-glow); }

.nav-toggle {
    display: none; background: none; border: none;
    cursor: pointer; padding: 0.5rem;
    border-radius: var(--radius-xs);
    transition: background var(--transition);
}
.nav-toggle:hover { background: var(--bg-alt); }
.nav-toggle span {
    display: block; width: 20px; height: 2px;
    background: var(--text); margin: 4px 0;
    border-radius: 1px; transition: var(--transition);
}

@media (max-width: 768px) {
    .nav-toggle { display: block; }
    .nav-links {
        display: none; position: absolute; top: calc(100% + 1px);
        left: 0; right: 0; background: rgba(255,255,255,0.97);
        backdrop-filter: blur(16px); border-bottom: 1px solid var(--border);
        flex-direction: column; padding: 0.75rem 1rem; gap: 0.25rem;
        box-shadow: var(--shadow-lg);
    }
    .nav-links.open { display: flex; }
    .nav-links a { width: 100%; padding: 0.65rem 1rem; }
}

/* ── Buttons ─────────────────────────────────────────────────── */

.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 0.75rem 1.75rem; background: var(--accent);
    color: #fff; border: none; border-radius: var(--radius-sm);
    font-weight: 600; font-size: 0.93rem; font-family: var(--font);
    text-decoration: none; cursor: pointer;
    transition: all var(--transition);
    box-shadow: var(--shadow-xs), inset 0 1px 0 rgba(255,255,255,0.15);
    position: relative; overflow: hidden;
}
.btn::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(255,255,255,0.12) 0%, transparent 50%);
    pointer-events: none;
}
.btn:hover {
    background: var(--accent-dark);
    box-shadow: var(--shadow-accent);
    transform: translateY(-1px);
}
.btn:active { transform: translateY(0); box-shadow: var(--shadow-xs); }

.btn-sm { padding: 0.4rem 1rem; font-size: 0.85rem; border-radius: var(--radius-xs); }
.btn-lg { padding: 1rem 2.5rem; font-size: 1.05rem; letter-spacing: -0.01em; }
.btn-full { width: 100%; }

.btn-outline {
    background: transparent; color: var(--accent);
    border: 1.5px solid var(--accent);
    box-shadow: none;
}
.btn-outline::after { display: none; }
.btn-outline:hover {
    background: var(--accent); color: #fff;
    box-shadow: var(--shadow-accent);
}

/* ── Hero ────────────────────────────────────────────────────── */

.hero {
    padding: 6rem 0 5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, var(--accent-glow) 0%, transparent 60%),
        linear-gradient(180deg, var(--accent-light) 0%, var(--bg) 70%);
}
.hero::before {
    content: '';
    position: absolute; bottom: 0; left: 0; right: 0; height: 200px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 200'%3E%3Cpath d='M0,100 Q50,100 100,100 Q150,100 180,85 Q210,70 240,85 Q270,100 300,100 Q330,100 350,75 Q370,50 400,30 Q430,10 450,30 Q470,50 500,85 Q530,120 550,140 Q570,160 600,170 Q630,180 650,160 Q670,140 700,120 Q730,100 750,85 Q770,70 800,75 Q830,80 850,90 Q870,100 900,100 Q930,100 960,98 Q990,96 1020,97 Q1050,98 1080,99 Q1110,100 1140,100 L1200,100 L1200,200 L0,200 Z' fill='rgba(10,132,255,0.03)'/%3E%3C/svg%3E") no-repeat center bottom;
    background-size: 100% 200px;
    pointer-events: none;
}

.hero h1 {
    font-size: 3.25rem; font-weight: 800;
    line-height: 1.1; margin-bottom: 1.25rem;
    letter-spacing: -0.035em;
    background: linear-gradient(135deg, var(--text) 0%, var(--accent-dark) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-sub {
    font-size: 1.2rem; color: var(--text-light);
    max-width: 560px; margin: 0 auto 2.5rem;
    line-height: 1.6; letter-spacing: -0.01em;
}

.page-hero {
    padding: 4rem 0 2.5rem;
    background: linear-gradient(180deg, var(--accent-light) 0%, var(--bg) 100%);
    position: relative;
}
.page-hero h1 {
    font-size: 2.5rem; font-weight: 800;
    margin-bottom: 0.5rem; letter-spacing: -0.03em;
}

@media (max-width: 768px) {
    .hero { padding: 4rem 0 3.5rem; }
    .hero h1 { font-size: 2.25rem; }
    .hero-sub { font-size: 1.05rem; }
    .page-hero h1 { font-size: 1.85rem; }
}

/* ── Sections ────────────────────────────────────────────────── */

.section { padding: 5rem 0; }
.section-alt { background: var(--bg-alt); }
.section-title {
    font-size: 2rem; font-weight: 800; text-align: center;
    margin-bottom: 0.5rem; letter-spacing: -0.03em;
}
.section-sub {
    font-size: 1.05rem; color: var(--text-light); text-align: center;
    margin-bottom: 2.5rem; max-width: 520px;
    margin-left: auto; margin-right: auto; line-height: 1.6;
}

/* ── Steps ───────────────────────────────────────────────────── */

.steps-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem; margin-top: 2.5rem;
    counter-reset: steps;
}
.step-card {
    text-align: center; padding: 2.25rem 1.75rem;
    background: var(--bg); border-radius: var(--radius);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow);
    transition: all var(--transition);
    position: relative;
}
.step-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-glow);
}
.step-number {
    display: inline-flex; align-items: center; justify-content: center;
    width: 52px; height: 52px; border-radius: 14px;
    background: linear-gradient(135deg, #1A9AFF, var(--accent-dark));
    color: #fff; font-weight: 700; font-size: 1.25rem;
    margin-bottom: 1.25rem;
    box-shadow: 0 4px 12px rgba(10,132,255,0.25);
}
.step-card h3 {
    font-size: 1.15rem; margin-bottom: 0.5rem;
    font-weight: 700; letter-spacing: -0.01em;
}
.step-card p { color: var(--text-light); font-size: 0.93rem; line-height: 1.55; }

@media (max-width: 768px) {
    .steps-grid { grid-template-columns: 1fr; max-width: 400px; margin-left: auto; margin-right: auto; }
}

/* ── Stats ───────────────────────────────────────────────────── */

.stats-grid {
    display: grid; grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem; margin-top: 2.5rem;
}
.stat-card {
    text-align: center; padding: 2.25rem 1.5rem;
    background: var(--bg); border-radius: var(--radius);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow);
    transition: all var(--transition);
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.stat-number {
    font-size: 2.5rem; font-weight: 800;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.4rem;
}
.stat-card p { color: var(--text-light); font-size: 0.93rem; line-height: 1.5; }

/* ── Features ────────────────────────────────────────────────── */

.features-grid {
    display: grid; grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem; margin-top: 2.5rem;
}
.feature-card {
    padding: 1.75rem; background: var(--bg);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-xs);
    transition: all var(--transition);
    position: relative;
}
.feature-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0;
    height: 3px; border-radius: var(--radius) var(--radius) 0 0;
    background: linear-gradient(90deg, var(--accent), var(--accent-dark));
    opacity: 0; transition: opacity var(--transition);
}
.feature-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.feature-card:hover::before { opacity: 1; }
.feature-card h3 {
    font-size: 1.05rem; margin-bottom: 0.5rem;
    font-weight: 700; color: var(--text);
    letter-spacing: -0.01em;
}
.feature-card p { color: var(--text-light); font-size: 0.9rem; line-height: 1.55; }

@media (max-width: 768px) {
    .features-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr; max-width: 380px; margin-left: auto; margin-right: auto; }
}

/* ── Feature detail page ─────────────────────────────────────── */

.feature-detail {
    padding: 2.25rem 0;
    border-bottom: 1px solid var(--border-light);
}
.feature-detail:last-child { border-bottom: none; }
.feature-detail h2 {
    font-size: 1.35rem; margin-bottom: 0.75rem;
    font-weight: 700; letter-spacing: -0.02em;
}
.feature-detail p { color: var(--text-light); margin-bottom: 0.75rem; line-height: 1.65; }

.badge {
    display: inline-block; padding: 0.2rem 0.65rem;
    background: linear-gradient(135deg, var(--accent-light), rgba(10,132,255,0.12));
    color: var(--accent-dark); font-size: 0.72rem; font-weight: 700;
    border-radius: 5px; text-transform: uppercase;
    letter-spacing: 0.06em; margin-bottom: 0.5rem;
}

/* ── Alert levels ────────────────────────────────────────────── */

.alert-levels { display: flex; flex-direction: column; gap: 0.75rem; margin: 1.25rem 0; }
.alert-level {
    padding: 1rem 1.25rem; border-radius: var(--radius-sm);
    border-left: 4px solid; transition: transform var(--transition);
}
.alert-level:hover { transform: translateX(4px); }
.alert-level strong { display: block; margin-bottom: 0.2rem; font-size: 0.95rem; }
.alert-level p { margin: 0; font-size: 0.88rem; line-height: 1.5; }
.level-monitor { background: var(--success-bg); border-color: var(--success); color: #065F46; }
.level-attention { background: var(--warning-bg); border-color: var(--warning); color: #78350F; }
.level-urgent { background: var(--danger-bg); border-color: var(--danger); color: #7F1D1D; }

.alert-example {
    padding: 1.5rem; background: var(--accent-light);
    border-left: 4px solid var(--accent);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: 1.25rem 0; font-size: 0.93rem; line-height: 1.8;
}

/* ── Pricing ─────────────────────────────────────────────────── */

.pricing-hardware {
    display: grid; grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem; margin-top: 2.5rem;
}
.hw-card {
    padding: 2.25rem; background: var(--bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: all var(--transition);
}
.hw-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.hw-card h3 { font-size: 1.2rem; margin-bottom: 0.4rem; font-weight: 700; }
.hw-price {
    font-size: 1.85rem; font-weight: 800; letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text; margin-bottom: 0.5rem;
}
.hw-card ul { list-style: none; padding: 0; margin-top: 1.25rem; }
.hw-card li {
    padding: 0.4rem 0; color: var(--text-light);
    font-size: 0.9rem; display: flex; align-items: baseline; gap: 0.5rem;
}
.hw-card li::before {
    content: "\2713"; color: var(--success);
    font-weight: 700; font-size: 0.85rem; flex-shrink: 0;
}

.pricing-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem; margin-top: 2.5rem; align-items: start;
}
.price-card {
    padding: 2.25rem; background: var(--bg);
    border-radius: var(--radius);
    border: 1.5px solid var(--border);
    text-align: center; position: relative;
    transition: all var(--transition);
}
.price-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.price-card.featured {
    border-color: var(--accent);
    box-shadow: var(--shadow-md), 0 0 0 1px var(--accent-glow);
    transform: scale(1.03);
    z-index: 1;
}
.price-card.featured:hover { transform: scale(1.03) translateY(-4px); box-shadow: var(--shadow-xl); }

.price-badge {
    position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: #fff; font-size: 0.72rem; font-weight: 700;
    padding: 0.3rem 0.9rem; border-radius: 20px;
    white-space: nowrap; letter-spacing: 0.03em;
    box-shadow: 0 2px 8px rgba(10,132,255,0.3);
}
.price-card h3 { font-size: 1.15rem; margin-bottom: 0.75rem; font-weight: 700; }
.price {
    font-size: 2.5rem; font-weight: 800; color: var(--text);
    margin-bottom: 1.75rem; letter-spacing: -0.03em;
}
.price span { font-size: 0.9rem; font-weight: 400; color: var(--muted); }
.price-card ul { list-style: none; padding: 0; text-align: left; }
.price-card li {
    padding: 0.5rem 0; color: var(--text-light); font-size: 0.88rem;
    border-bottom: 1px solid var(--border-light);
    display: flex; align-items: baseline; gap: 0.5rem;
}
.price-card li:last-child { border-bottom: none; }
.price-card li::before {
    content: "\2713"; color: var(--success);
    font-weight: 700; font-size: 0.82rem; flex-shrink: 0;
}

@media (max-width: 768px) {
    .pricing-grid { grid-template-columns: 1fr; max-width: 380px; margin-left: auto; margin-right: auto; }
    .price-card.featured { transform: none; }
    .price-card.featured:hover { transform: translateY(-4px); }
    .pricing-hardware { grid-template-columns: 1fr; }
}

/* ── Waitlist form ───────────────────────────────────────────── */

.waitlist-form { margin-top: 1.75rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin-bottom: 0.75rem; }

.waitlist-form input {
    padding: 0.85rem 1.1rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem; font-family: var(--font);
    width: 100%; transition: all var(--transition);
    background: var(--bg);
    color: var(--text);
}
.waitlist-form input::placeholder { color: var(--muted); }
.waitlist-form input:focus {
    outline: none; border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

@media (max-width: 768px) {
    .form-row { grid-template-columns: 1fr; }
}

/* ── FAQ ─────────────────────────────────────────────────────── */

.faq-list { display: flex; flex-direction: column; gap: 0.6rem; }
.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: all var(--transition);
}
.faq-item:hover { border-color: var(--accent-glow); }
.faq-item[open] { border-color: var(--accent); box-shadow: var(--shadow); }

.faq-item summary {
    padding: 1.1rem 1.35rem; cursor: pointer;
    font-weight: 600; font-size: 0.95rem;
    list-style: none; display: flex;
    align-items: center; justify-content: space-between;
    transition: color var(--transition);
    user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: "+"; font-size: 1.3rem; color: var(--muted);
    transition: all var(--transition);
    font-weight: 300; width: 24px; text-align: center; flex-shrink: 0;
}
.faq-item[open] summary { color: var(--accent); }
.faq-item[open] summary::after { content: "\2212"; color: var(--accent); }
.faq-item p {
    padding: 0 1.35rem 1.1rem;
    color: var(--text-light); font-size: 0.9rem; line-height: 1.65;
}

/* ── Flash messages ──────────────────────────────────────────── */

.flash {
    padding: 0.85rem 1.25rem; border-radius: var(--radius-sm);
    margin: 1rem 0; font-size: 0.9rem; font-weight: 500;
}
.flash-error { background: var(--danger-bg); color: #991B1B; border: 1px solid #FECACA; }
.flash-success { background: var(--success-bg); color: #065F46; border: 1px solid #A7F3D0; }

/* ── Login form ──────────────────────────────────────────────── */

.login-form {
    display: flex; flex-direction: column;
    gap: 0.85rem; max-width: 340px; margin: 0 auto;
}
.login-form input {
    padding: 0.85rem 1rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem; font-family: var(--font);
    text-align: center; transition: all var(--transition);
}
.login-form input:focus {
    outline: none; border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

/* ── Docs grid ───────────────────────────────────────────────── */

.doc-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.doc-card {
    display: flex; align-items: center; justify-content: space-between;
    padding: 1.5rem 1.75rem;
    background: var(--bg); border: 1px solid var(--border);
    border-radius: var(--radius);
    text-decoration: none; color: var(--text);
    transition: all var(--transition);
}
.doc-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}
.doc-card h3 { font-size: 1rem; font-weight: 600; }
.doc-arrow {
    font-size: 1.2rem; color: var(--accent);
    transition: transform var(--transition);
}
.doc-card:hover .doc-arrow { transform: translateX(4px); }

@media (max-width: 768px) {
    .doc-grid { grid-template-columns: 1fr; }
}

/* ── Doc content ─────────────────────────────────────────────── */

.back-link {
    display: inline-flex; align-items: center; gap: 0.3rem;
    margin-bottom: 1rem; color: var(--accent);
    text-decoration: none; font-size: 0.9rem; font-weight: 500;
    transition: gap var(--transition);
}
.back-link:hover { gap: 0.5rem; }

.doc-content { font-size: 0.95rem; line-height: 1.75; }
.doc-content h1 { font-size: 1.75rem; margin: 2.5rem 0 1rem; font-weight: 700; letter-spacing: -0.02em; }
.doc-content h2 {
    font-size: 1.4rem; margin: 2.5rem 0 0.75rem;
    padding-bottom: 0.5rem; border-bottom: 1px solid var(--border-light);
    font-weight: 700; letter-spacing: -0.02em;
}
.doc-content h3 { font-size: 1.15rem; margin: 1.75rem 0 0.5rem; font-weight: 700; }
.doc-content p { margin-bottom: 1rem; color: var(--text-light); }
.doc-content ul, .doc-content ol { margin-bottom: 1rem; padding-left: 1.5rem; color: var(--text-light); }
.doc-content li { margin-bottom: 0.4rem; }
.doc-content table { width: 100%; border-collapse: collapse; margin: 1.25rem 0; font-size: 0.85rem; }
.doc-content th, .doc-content td { padding: 0.65rem 0.85rem; border: 1px solid var(--border); text-align: left; }
.doc-content th { background: var(--bg-alt); font-weight: 600; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.03em; }
.doc-content code {
    background: var(--bg-alt); padding: 0.15rem 0.45rem;
    border-radius: 5px; font-size: 0.85em;
    border: 1px solid var(--border-light);
}
.doc-content pre {
    background: #1E293B; color: #E2E8F0;
    padding: 1.5rem; border-radius: var(--radius-sm);
    overflow-x: auto; margin: 1.25rem 0;
    border: none; font-size: 0.85rem; line-height: 1.6;
}
.doc-content pre code { background: none; padding: 0; border: none; color: inherit; }
.doc-content blockquote {
    border-left: 4px solid var(--accent); padding: 1rem 1.25rem; margin: 1.25rem 0;
    background: var(--accent-light);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* ── Success icon ────────────────────────────────────────────── */

.success-icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 80px; height: 80px; border-radius: 50%;
    background: var(--success-bg);
    color: var(--success); font-size: 2.25rem; font-weight: 700;
    margin-bottom: 1.75rem;
    box-shadow: 0 0 0 8px rgba(16,185,129,0.08);
}

/* ── How it works detail page ────────────────────────────────── */

.hiw-step {
    display: flex; gap: 2.25rem;
    padding: 2.75rem 0;
    border-bottom: 1px solid var(--border-light);
}
.hiw-step:last-child { border-bottom: none; }
.hiw-number {
    flex-shrink: 0; display: flex; align-items: center; justify-content: center;
    width: 60px; height: 60px; border-radius: 16px;
    background: linear-gradient(135deg, #1A9AFF, var(--accent-dark));
    color: #fff; font-weight: 700; font-size: 1.5rem;
    box-shadow: 0 4px 14px rgba(10,132,255,0.25);
}
.hiw-content h2 { font-size: 1.35rem; margin-bottom: 0.75rem; font-weight: 700; letter-spacing: -0.01em; }
.hiw-content p { color: var(--text-light); margin-bottom: 0.75rem; line-height: 1.65; }

@media (max-width: 768px) {
    .hiw-step { flex-direction: column; align-items: flex-start; gap: 1.25rem; }
}

/* ── Footer ──────────────────────────────────────────────────── */

.footer {
    background: #0F172A;
    color: #94A3B8; padding: 3.5rem 0 1.75rem;
    margin-top: 0;
}
.footer-grid {
    display: grid; grid-template-columns: 2fr 1fr 1fr;
    gap: 2.5rem; margin-bottom: 2.5rem;
}
.footer-brand {
    display: flex; align-items: center; gap: 0.65rem;
    font-weight: 700; color: #fff; font-size: 1.15rem; margin-bottom: 0.6rem;
}
.footer-brand svg { flex-shrink: 0; }
.footer-tagline { font-size: 0.9rem; color: #64748B; line-height: 1.5; }
.footer h4 {
    color: #CBD5E1; font-size: 0.78rem;
    text-transform: uppercase; letter-spacing: 0.08em;
    margin-bottom: 0.85rem; font-weight: 600;
}
.footer a {
    display: block; color: #64748B; text-decoration: none;
    font-size: 0.9rem; margin-bottom: 0.5rem;
    transition: color var(--transition);
}
.footer a:hover { color: var(--accent); }
.footer-bottom {
    border-top: 1px solid #1E293B; padding-top: 1.75rem;
    text-align: center; font-size: 0.82rem; color: #475569;
}

@media (max-width: 768px) {
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
}

/* ── Smooth page-load fade-in ────────────────────────────────── */

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}
.hero > .container,
.page-hero > .container {
    animation: fadeInUp 0.6s ease-out both;
}