:root {
    --teal: #0F766E;
    --mint: #9FE3D0;
    --gold: #F2C94C;

    --bg: #F7F9F8;
    --card: #FFFFFF;
    --text: #1F2933;
    --muted: #5B6672;
    --border: #E5E7EB;

    --shadow: 0 10px 30px rgba(15, 23, 42, .08);
    --radius: 18px;
    --radius-sm: 12px;

    --max: 1120px;
}

* {
    box-sizing: border-box
}

html,
body {
    margin: 0;
    padding: 0
}

body {
    font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.55;
}

img {
    max-width: 100%;
    height: auto;
    display: block
}

a {
    color: var(--teal);
    text-decoration: none
}

a:hover {
    text-decoration: underline
}

.container {
    width: min(var(--max), calc(100% - 40px));
    margin: 0 auto;
}

.skip-link {
    position: absolute;
    left: -999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.skip-link:focus {
    left: 16px;
    top: 16px;
    width: auto;
    height: auto;
    padding: 10px 12px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    box-shadow: var(--shadow);
    z-index: 9999;
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(247, 249, 248, .82);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(229, 231, 235, .65);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
    gap: 16px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-mark {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background:
        radial-gradient(circle at 30% 30%, rgba(242, 201, 76, .9), rgba(242, 201, 76, 0) 52%),
        linear-gradient(135deg, rgba(15, 118, 110, .95), rgba(159, 227, 208, .65));
    border: 1px solid rgba(229, 231, 235, .7);
    box-shadow: 0 8px 18px rgba(15, 118, 110, .15);
}

.brand-name {
    font-weight: 700;
    letter-spacing: .2px
}

.brand-tag {
    font-size: 12px;
    color: var(--muted);
    margin-top: 2px
}

.nav {
    display: flex;
    align-items: center;
    gap: 18px;
    font-size: 14px;
}

.nav a {
    color: var(--text)
}

.nav a:hover {
    color: var(--teal);
    text-decoration: none
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 16px;
    border-radius: 14px;
    border: 1px solid rgba(15, 118, 110, .25);
    background: linear-gradient(135deg, rgba(15, 118, 110, .95), rgba(15, 118, 110, .82));
    color: #fff;
    font-weight: 600;
    box-shadow: 0 12px 24px rgba(15, 118, 110, .18);
    text-decoration: none;
}

.btn:hover {
    filter: brightness(1.03);
    text-decoration: none
}

.btn-small {
    padding: 10px 14px;
    border-radius: 12px
}

.btn-ghost {
    background: transparent;
    color: var(--teal);
    border: 1px solid rgba(15, 118, 110, .25);
    box-shadow: none;
}

.btn-ghost:hover {
    background: rgba(15, 118, 110, .06)
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: var(--card);
    box-shadow: 0 10px 20px rgba(0, 0, 0, .06);
}

.nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    margin: 4px auto;
    background: var(--text);
    border-radius: 2px;
}

.mobile-nav {
    border-bottom: 1px solid rgba(229, 231, 235, .65);
    background: rgba(247, 249, 248, .96);
}

.mobile-nav-inner {
    display: grid;
    gap: 10px;
    padding: 14px 0 18px;
}

.mobile-nav a {
    color: var(--text)
}

.mobile-nav .btn {
    width: fit-content
}

/* Sections */
section {
    padding: 70px 0
}

.section-head {
    max-width: 780px
}

.section-head h2 {
    font-size: 32px;
    letter-spacing: -.4px;
    margin: 0 0 10px;
}

.section-head p {
    margin: 0;
    color: var(--muted)
}

.eyebrow {
    display: inline-block;
    padding: 8px 12px;
    background: rgba(15, 118, 110, .08);
    border: 1px solid rgba(15, 118, 110, .14);
    color: var(--teal);
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    margin: 0 0 14px;
}

/* Hero */
.hero {
    position: relative;
    padding: 72px 0 48px;
    overflow: hidden;
}

.hero-image img {
    filter: brightness(0.95);
}

.hero-image {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.08fr .92fr;
    gap: 34px;
    align-items: center;
}

.hero-copy h1 {
    font-size: 48px;
    line-height: 1.05;
    letter-spacing: -1px;
    margin: 0 0 14px;
}

.lead {
    font-size: 18px;
    color: var(--muted);
    margin: 0 0 18px;
}

.cta-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin: 18px 0 14px
}

.micro-trust {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin: 10px 0 18px;
}

.pill {
    font-size: 12px;
    color: var(--muted);
    padding: 8px 10px;
    background: rgba(255, 255, 255, .65);
    border: 1px solid rgba(229, 231, 235, .8);
    border-radius: 999px;
}

.contact-strip {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    padding: 14px 16px;
    background: rgba(255, 255, 255, .72);
    border: 1px solid rgba(229, 231, 235, .85);
    border-radius: var(--radius);
    box-shadow: 0 10px 24px rgba(0, 0, 0, .05);
}

.label {
    font-size: 11px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: .12em
}

.contact-strip a {
    font-weight: 600
}

.hero-art {
    background: linear-gradient(180deg, rgba(255, 255, 255, .9), rgba(255, 255, 255, .55));
    border: 1px solid rgba(229, 231, 235, .85);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 14px;
}

.hero-glow {
    position: absolute;
    inset: auto -240px -240px auto;
    width: 540px;
    height: 540px;
    background: radial-gradient(circle at 30% 30%, rgba(242, 201, 76, .28), rgba(242, 201, 76, 0) 55%),
        radial-gradient(circle at 65% 55%, rgba(159, 227, 208, .35), rgba(159, 227, 208, 0) 55%);
    filter: blur(12px);
    pointer-events: none;
}

/* Cards */
.cards {
    margin-top: 22px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.card {
    background: var(--card);
    border: 1px solid rgba(229, 231, 235, .9);
    border-radius: var(--radius);
    padding: 18px;
    box-shadow: 0 10px 24px rgba(0, 0, 0, .05);
}

.card h3 {
    margin: 0 0 8px;
    font-size: 18px
}

.card p {
    margin: 0;
    color: var(--muted)
}

/* Services */
.service-grid {
    margin-top: 22px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.service {
    background: var(--card);
    border: 1px solid rgba(229, 231, 235, .9);
    border-radius: var(--radius);
    padding: 18px;
    box-shadow: 0 10px 24px rgba(0, 0, 0, .05);
}

.service h3 {
    margin: 0 0 10px
}

.service ul {
    margin: 0;
    padding-left: 18px;
    color: var(--muted);
}

.service li {
    margin: 8px 0
}

/* How */
.how-grid {
    display: grid;
    grid-template-columns: 1.15fr .85fr;
    gap: 18px;
    align-items: start;
}

.steps {
    margin: 18px 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 12px;
}

.steps li {
    display: flex;
    gap: 12px;
    background: rgba(255, 255, 255, .72);
    border: 1px solid rgba(229, 231, 235, .85);
    border-radius: var(--radius);
    padding: 14px;
}

.step-num {
    flex: 0 0 auto;
    width: 34px;
    height: 34px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: rgba(15, 118, 110, .10);
    border: 1px solid rgba(15, 118, 110, .18);
    color: var(--teal);
    font-weight: 700;
}

.steps h3 {
    margin: 0 0 4px
}

.steps p {
    margin: 0;
    color: var(--muted)
}

.aside-card {
    background: var(--card);
    border: 1px solid rgba(229, 231, 235, .9);
    border-radius: var(--radius);
    padding: 18px;
    box-shadow: 0 10px 24px rgba(0, 0, 0, .05);
    margin-bottom: 14px;
}

.aside-card.soft {
    background: linear-gradient(180deg, rgba(255, 255, 255, .85), rgba(255, 255, 255, .65));
}

.aside-card h3 {
    margin: 0 0 10px
}

.aside-card ul {
    margin: 0;
    padding-left: 18px;
    color: var(--muted)
}

.aside-card li {
    margin: 8px 0
}

/* Agents */
.agent-grid {
    margin-top: 22px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.agent {
    background: var(--card);
    border: 1px solid rgba(229, 231, 235, .9);
    border-radius: var(--radius);
    padding: 16px;
    box-shadow: 0 10px 24px rgba(0, 0, 0, .05);
}

.agent h3 {
    margin: 10px 0 2px
}

.agent-sub {
    margin: 0 0 8px;
    color: var(--muted);
    font-size: 13px
}

.agent p {
    margin: 0;
    color: var(--muted)
}

.agent-icon {
    width: 44px;
    height: 44px;
    border-radius: 16px;
    border: 1px solid rgba(229, 231, 235, .85);
    box-shadow: 0 10px 18px rgba(0, 0, 0, .06);
}

.agent-icon.ari {
    background: radial-gradient(circle at 30% 30%, rgba(242, 201, 76, .65), rgba(242, 201, 76, 0) 55%),
        linear-gradient(135deg, rgba(15, 118, 110, .92), rgba(159, 227, 208, .65));
}

.agent-icon.node {
    background: radial-gradient(circle at 35% 35%, rgba(159, 227, 208, .85), rgba(159, 227, 208, 0) 58%),
        linear-gradient(135deg, rgba(15, 118, 110, .92), rgba(15, 118, 110, .55));
}

.agent-icon.eddy {
    background: radial-gradient(circle at 35% 35%, rgba(255, 255, 255, .9), rgba(255, 255, 255, 0) 58%),
        linear-gradient(135deg, rgba(59, 130, 246, .65), rgba(15, 118, 110, .45));
}

.agent-icon.a101 {
    background: radial-gradient(circle at 35% 35%, rgba(242, 201, 76, .7), rgba(242, 201, 76, 0) 58%),
        linear-gradient(135deg, rgba(34, 197, 94, .55), rgba(15, 118, 110, .50));
}

.callout {
    margin-top: 18px;
    padding: 14px 16px;
    border-radius: var(--radius);
    border: 1px solid rgba(242, 201, 76, .40);
    background: rgba(242, 201, 76, .10);
    color: var(--text);
}

/* Trust */
.trust-grid {
    display: grid;
    grid-template-columns: 1.15fr .85fr;
    gap: 18px;
    align-items: center;
}

.trust-points {
    margin-top: 18px;
    display: grid;
    gap: 12px;
}

.tp {
    background: rgba(255, 255, 255, .72);
    border: 1px solid rgba(229, 231, 235, .85);
    border-radius: var(--radius);
    padding: 14px;
}

.tp h3 {
    margin: 0 0 6px
}

.tp p {
    margin: 0;
    color: var(--muted)
}

.trust-art img {
    border-radius: var(--radius);
    border: 1px solid rgba(229, 231, 235, .85);
    box-shadow: var(--shadow);
}

/* Book */
.book-grid {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 16px;
    align-items: start;
}

.book-copy h2 {
    margin: 0 0 10px;
    font-size: 34px;
    letter-spacing: -.6px
}

.book-copy p {
    margin: 0 0 14px;
    color: var(--muted)
}

.book-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin: 8px 0 10px
}

.fineprint {
    font-size: 13px
}

.book-card {
    background: var(--card);
    border: 1px solid rgba(229, 231, 235, .9);
    border-radius: var(--radius);
    padding: 18px;
    box-shadow: var(--shadow);
}

.book-card h3 {
    margin: 0 0 10px
}

.book-card ul {
    margin: 0;
    padding-left: 18px;
    color: var(--muted)
}

.book-card li {
    margin: 8px 0
}

.mini-note {
    margin-top: 12px;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(15, 118, 110, .18);
    background: rgba(15, 118, 110, .08);
    color: var(--text);
    font-weight: 600;
}

/* Footer */
.site-footer {
    padding: 40px 0 26px;
    border-top: 1px solid rgba(229, 231, 235, .8);
    background: rgba(247, 249, 248, .9);
}

.footer-grid {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-note {
    color: var(--muted);
    margin: 10px 0 0
}

.footer-links {
    display: flex;
    gap: 28px
}

.footer-title {
    font-weight: 700;
    margin-bottom: 8px
}

.copyright {
    margin-top: 18px;
    color: var(--muted);
    font-size: 13px;
}

/* Responsive */
@media (max-width: 980px) {
    .nav {
        display: none
    }

    .nav-toggle {
        display: inline-block
    }

    .hero-grid,
    .how-grid,
    .trust-grid,
    .book-grid {
        grid-template-columns: 1fr;
    }

    .cards {
        grid-template-columns: 1fr
    }

    .service-grid {
        grid-template-columns: 1fr
    }

    .agent-grid {
        grid-template-columns: 1fr 1fr
    }

    .hero-copy h1 {
        font-size: 40px
    }
}

@media (max-width: 540px) {
    section {
        padding: 56px 0
    }

    .hero-copy h1 {
        font-size: 34px
    }

    .agent-grid {
        grid-template-columns: 1fr
    }
}