.hero {
    padding: 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.hero .container.narrow {
    min-height: 100vh;
    width: 100%;
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding-top: 80px;
    padding-bottom: 64px;
}
.hero .tag {
    margin: 0 auto 28px;
}
.hero .display { margin: 0 auto 24px; max-width: 18ch; }
.hero .lede { margin: 0 auto 40px; text-align: center; }
.hero .cta-row { justify-content: center; margin-bottom: 0; }

/* fade-in on scroll */
.fade-in {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.75s ease, transform 0.75s ease;
}
.fade-in.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.hero-figure {
    position: relative;
    margin: 0 auto;
    max-width: 1200px;
    padding: 0 var(--gutter);
}
.hero-slider {
    position: relative;
    aspect-ratio: 16 / 9;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 1px 0 var(--rule), 0 30px 60px -30px rgba(7,45,68,0.25);
    background: var(--paper-2);
}
.slider-track {
    display: flex;
    width: 100%;
    height: 100%;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.slide {
    min-width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.slide img {
    max-width: 70%;
    max-height: 70%;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
}
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.85);
    border: 1px solid var(--rule);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 16px;
    color: var(--ink);
    transition: background 0.2s, opacity 0.2s;
    opacity: 0;
    z-index: 2;
}
.hero-slider:hover .slider-btn { opacity: 1; }
.slider-btn.prev { left: 14px; }
.slider-btn.next { right: 14px; }
.slider-btn:hover { background: var(--white); }
.slider-dots {
    position: absolute;
    bottom: 14px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 2;
}
.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    border: none;
    cursor: pointer;
    padding: 0;
    transition: background 0.2s, transform 0.2s;
}
.dot.is-active {
    background: var(--white);
    transform: scale(1.25);
}
.hero-figure .meta-strip {
    position: absolute;
    left: 50%;
    bottom: -32px;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 14px 28px;
    background: var(--white);
    border: 1px solid var(--rule);
    border-radius: 999px;
    box-shadow: 0 10px 30px -10px rgba(7,45,68,0.18);
    font-family: var(--mono);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--ink-2);
    white-space: nowrap;
}
.hero-figure .meta-strip span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.hero-figure .meta-strip span::before {
    content: "";
    width: 6px; height: 6px;
    background: var(--accent);
    border-radius: 50%;
}
.hero-figure .meta-strip .divider-v {
    width: 1px;
    height: 14px;
    background: var(--rule);
}
.hero-figure .meta-strip .divider-v::before { display: none; }

/* trust strip */
.trust {
    padding: 88px 0 56px;
    text-align: center;
}
.trust .kicker { margin-bottom: 28px; }
.trust-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 56px;
    flex-wrap: wrap;
}
.trust-logo {
    font-family: var(--serif);
    font-size: 18px;
    color: var(--ink-2);
    opacity: 0.55;
    letter-spacing: -0.01em;
    font-style: italic;
}

/* mechanism / how */
.mech-head {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: end;
    margin-bottom: 64px;
}
.mech-head .h2 { max-width: 16ch; }
.mech-head .lede { margin: 0; }
.mech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--rule);
    border: 1px solid var(--rule);
    border-radius: 6px;
    overflow: hidden;
}
.mech-card {
    background: var(--paper);
    padding: 40px 32px 48px;
    position: relative;
}
.mech-card .step {
    font-family: var(--mono);
    font-size: 12px;
    color: var(--accent);
    margin-bottom: 80px;
    letter-spacing: 0.14em;
}
.mech-card .h3 { margin-bottom: 12px; max-width: 14ch; }
.mech-card .body { margin: 0; }
.mech-card .num-bg {
    position: absolute;
    top: 28px;
    right: 32px;
    font-family: var(--serif);
    font-style: italic;
    font-size: 64px;
    color: var(--rule);
    line-height: 1;
    font-weight: 400;
}

/* comparison */
.compare {
    background: var(--paper-2);
}
.compare-head {
    text-align: center;
    margin-bottom: 36px;
}
.compare-head .h2 { margin: 16px auto 0; max-width: 20ch; }
.compare-table {
    background: var(--white);
    border: 1px solid var(--rule);
    border-radius: 6px;
    overflow: hidden;
}
.compare-row {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr 1fr;
    border-bottom: 1px solid var(--rule);
}
.compare-row:last-child { border-bottom: none; }
.compare-row > div {
    padding: 22px 24px;
    border-right: 1px solid var(--rule);
    font-size: 15px;
    color: var(--ink-2);
    display: flex;
    align-items: center;
}
.compare-row > div:last-child { border-right: none; }
.compare-row.is-head > div {
    background: var(--paper);
    font-family: var(--mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--muted);
    padding: 16px 24px;
}
.compare-row.is-head .ours { color: var(--ink); }
.compare-row .lhs {
    font-family: var(--serif);
    font-weight: 500;
    color: var(--ink);
    font-size: 17px;
}
.compare-row .ours {
    background: rgba(156,205,219,0.18);
    color: var(--ink);
    font-weight: 500;
}

/* cta banner */
@keyframes cta-spin {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to   { transform: translate(-50%, -50%) rotate(360deg); }
}

.cta-band {
    background: var(--ink);
    color: var(--paper);
    padding: 96px 0;
    position: relative;
    overflow: hidden;
}
.cta-band::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 0%, rgba(87,144,171,0.35) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 100%, rgba(156,205,219,0.25) 0%, transparent 50%);
    pointer-events: none;
}
.cta-band::after {
    content: "";
    position: absolute;
    width: 160%;
    aspect-ratio: 1;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background:
        radial-gradient(ellipse 38% 38% at 18% 18%, rgba(87, 144, 171, 0.65) 0%, transparent 100%),
        radial-gradient(ellipse 38% 38% at 82% 82%, rgba(156, 205, 219, 0.5) 0%, transparent 100%);
    animation: cta-spin 14s linear infinite;
    pointer-events: none;
}
.cta-band .container { position: relative; }
.cta-band-inner {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 64px;
    align-items: center;
}
.cta-band .eyebrow { color: var(--accent-2); }
.cta-band .eyebrow::before { background: var(--accent-2); }
.cta-band .h2 { color: var(--paper); margin: 20px 0 16px; max-width: 18ch; }
.cta-band .lede { color: rgba(250,250,247,0.75); margin: 0; }
.cta-band .cta-row { justify-content: flex-end; }
.cta-band .btn-primary { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.cta-band .btn-primary:hover { background: var(--accent-2); border-color: var(--accent-2); }
.cta-band .btn-secondary { color: var(--paper); border-color: rgba(250,250,247,0.4); }
.cta-band .btn-secondary:hover { background: var(--paper); color: var(--ink); border-color: var(--paper); }

@media (max-width: 860px) {
    .hero .container.narrow { padding-top: 64px; }
    .hero-figure .meta-strip { display: none; }
    .mech-head, .cta-band-inner { grid-template-columns: 1fr; gap: 24px; }
    .mech-grid { grid-template-columns: 1fr; }
    .compare-row, .compare-row.is-head { grid-template-columns: 1fr; }
    .compare-row > div { border-right: none; border-bottom: 1px solid var(--rule); }
    .cta-band .cta-row { justify-content: flex-start; }
}