:root {
    color-scheme: light;
    --ink: #17243b;
    --ink-muted: #5e6b7f;
    --paper: #f8f9fb;
    --white: #ffffff;
    --line: #dce2eb;
    --blue: #4072e5;
    --blue-dark: #2b58bd;
    --coral: #e98265;
    --teal: #278c86;
    --gold: #ca8a2e;
    --shadow: 0 24px 54px rgba(20, 36, 62, 0.16);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    background: var(--paper);
    font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", sans-serif;
    line-height: 1.6;
    text-rendering: optimizeLegibility;
}

a {
    color: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

:focus-visible {
    outline: 3px solid rgba(64, 114, 229, 0.45);
    outline-offset: 4px;
}

.site-header {
    align-items: center;
    background: rgba(21, 35, 59, 0.96);
    color: #f8fbff;
    display: flex;
    justify-content: space-between;
    min-height: 72px;
    padding: 0 clamp(24px, 5vw, 80px);
    position: relative;
    z-index: 2;
}

.brand,
.site-nav,
.site-nav a {
    align-items: center;
    display: flex;
}

.brand {
    font-size: 1.08rem;
    font-weight: 750;
    gap: 10px;
    letter-spacing: 0.01em;
    text-decoration: none;
}

.brand img {
    background: #f4f7fc;
    border-radius: 6px;
    padding: 2px;
}

.site-nav {
    gap: clamp(14px, 2.5vw, 30px);
}

.site-nav a {
    color: #cbd5e5;
    font-size: 0.88rem;
    gap: 5px;
    text-decoration: none;
    transition: color 160ms ease;
}

.site-nav a:hover {
    color: #ffffff;
}

.language-button {
    background: transparent;
    border: 1px solid rgba(216, 226, 241, 0.35);
    border-radius: 999px;
    color: #edf3ff;
    cursor: pointer;
    font: inherit;
    font-size: 0.75rem;
    font-weight: 750;
    letter-spacing: 0.06em;
    padding: 5px 10px;
}

.hero {
    background: var(--ink);
    color: #f8fbff;
    overflow: hidden;
    padding: clamp(52px, 6vw, 84px) clamp(24px, 7vw, 112px) clamp(42px, 5vw, 68px);
    position: relative;
}

.hero::after {
    background: var(--coral);
    content: "";
    height: 10px;
    left: 0;
    opacity: 0.9;
    position: absolute;
    top: 0;
    width: 20%;
}

.hero-copy,
.hero-demo,
.section,
.privacy-band,
.closing-section,
.site-footer {
    margin-left: auto;
    margin-right: auto;
    max-width: 1180px;
}

.hero-copy {
    max-width: 850px;
}

.eyebrow {
    color: #85a9ff;
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0.18em;
    margin: 0 0 18px;
}

.hero h1 {
    font-size: clamp(2.6rem, 5.4vw, 5.2rem);
    letter-spacing: -0.055em;
    line-height: 1.04;
    margin: 0;
    max-width: 1000px;
}

.hero-lede {
    color: #c3cede;
    font-size: clamp(1.05rem, 1.7vw, 1.28rem);
    line-height: 1.75;
    margin: 22px 0 0;
    max-width: 710px;
}

.hero-actions,
.closing-actions {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.button {
    align-items: center;
    border-radius: 4px;
    display: inline-flex;
    font-size: 0.93rem;
    font-weight: 750;
    gap: 11px;
    justify-content: center;
    min-height: 48px;
    padding: 0 18px;
    text-decoration: none;
    transition: background 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.button:hover {
    transform: translateY(-2px);
}

.button-primary {
    background: var(--blue);
    color: #ffffff;
}

.button-primary:hover {
    background: #5684ed;
}

.button-quiet {
    border: 1px solid rgba(216, 226, 241, 0.42);
    color: #e6edfa;
}

.button-quiet:hover {
    border-color: #ffffff;
    color: #ffffff;
}

.button-outline {
    border: 1px solid var(--line);
    color: var(--ink);
}

.button-outline:hover {
    border-color: var(--blue);
    color: var(--blue-dark);
}

.hero-meta {
    color: #8f9db3;
    font-size: 0.84rem;
    margin: 20px 0 0;
}

.meta-separator {
    padding: 0 10px;
}

.hero-demo {
    margin-top: clamp(36px, 5vw, 64px);
}

.demo-topline,
.demo-caption {
    align-items: center;
    color: #99a8bf;
    display: flex;
    font-size: 0.78rem;
    justify-content: space-between;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.demo-topline {
    gap: 8px;
    justify-content: flex-start;
    margin-bottom: 14px;
}

.demo-dot {
    background: var(--coral);
    border-radius: 50%;
    height: 7px;
    width: 7px;
}

.hero-demo img {
    background: #ffffff;
    border: 1px solid rgba(220, 226, 235, 0.22);
    border-radius: 4px;
    box-shadow: var(--shadow);
    display: block;
    height: auto;
    width: 100%;
}

.demo-caption {
    margin-top: 13px;
    text-transform: none;
}

.caption-arrow {
    color: var(--coral);
    font-size: 1.15rem;
}

.proof-strip {
    background: #e7edf7;
    border-bottom: 1px solid #d5ddea;
    border-top: 1px solid #d5ddea;
    color: #314463;
    padding: 24px clamp(24px, 7vw, 112px);
}

.proof-strip p {
    font-size: clamp(1rem, 1.8vw, 1.3rem);
    font-weight: 650;
    line-height: 1.45;
    margin: 0 auto;
    max-width: 1180px;
}

.section {
    padding: clamp(76px, 10vw, 142px) clamp(24px, 5vw, 70px);
}

.section-heading {
    max-width: 670px;
}

.section-heading .eyebrow,
.evidence-copy .eyebrow,
.privacy-band .eyebrow,
.closing-section .eyebrow {
    color: var(--blue-dark);
}

.section h2,
.privacy-band h2,
.closing-section h2 {
    font-size: clamp(2rem, 4vw, 3.65rem);
    letter-spacing: -0.045em;
    line-height: 1.08;
    margin: 0;
}

.section-heading > p:last-child,
.evidence-copy > p:not(.eyebrow),
.privacy-copy p {
    color: var(--ink-muted);
    font-size: 1.05rem;
    line-height: 1.8;
    margin: 22px 0 0;
}

.workflow-grid,
.features-grid {
    display: grid;
    gap: 0;
    grid-template-columns: repeat(3, 1fr);
    margin-top: 70px;
}

.workflow-item {
    border-left: 1px solid var(--line);
    min-height: 190px;
    padding: 0 34px;
}

.workflow-item:first-child {
    border-left: 0;
    padding-left: 0;
}

.step-number {
    color: var(--coral);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
}

.workflow-item h3,
.feature-item h3 {
    font-size: 1.35rem;
    letter-spacing: -0.02em;
    margin: 22px 0 10px;
}

.workflow-item p,
.feature-item p {
    color: var(--ink-muted);
    line-height: 1.75;
    margin: 0;
}

.evidence-section {
    align-items: center;
    background: #eef3f8;
    display: grid;
    gap: clamp(42px, 8vw, 120px);
    grid-template-columns: minmax(260px, 0.9fr) minmax(0, 1fr);
    max-width: none;
    padding-left: max(24px, calc((100% - 1040px) / 2));
    padding-right: max(24px, calc((100% - 1040px) / 2));
}

.evidence-visual {
    background: #ffffff;
    border: 1px solid #d8e1ec;
    box-shadow: 12px 17px 0 #d2dce8;
    min-height: 350px;
    padding: 42px 32px;
    position: relative;
}

.paper-line {
    background: #cfd8e5;
    height: 9px;
    margin-bottom: 17px;
}

.line-wide {
    width: 88%;
}

.line-medium {
    width: 68%;
}

.line-short {
    width: 46%;
}

.evidence-highlight {
    align-items: center;
    background: #dfeaff;
    border-left: 4px solid var(--blue);
    color: #315ebc;
    display: flex;
    font-size: 0.8rem;
    font-weight: 750;
    gap: 8px;
    margin: 26px 0;
    padding: 14px 13px;
}

.evidence-pin {
    font-size: 1.25rem;
}

.evidence-note {
    align-items: center;
    background: #fff0e8;
    bottom: 35px;
    color: #9d593f;
    display: flex;
    font-size: 0.78rem;
    font-weight: 750;
    gap: 9px;
    padding: 11px 13px;
    position: absolute;
    right: 24px;
}

.note-mark {
    background: var(--coral);
    border-radius: 50%;
    height: 8px;
    width: 8px;
}

.evidence-copy {
    max-width: 520px;
}

.feature-list {
    list-style: none;
    margin: 30px 0 0;
    padding: 0;
}

.feature-list li {
    align-items: center;
    border-top: 1px solid var(--line);
    display: flex;
    gap: 14px;
    padding: 14px 0;
}

.feature-list li:last-child {
    border-bottom: 1px solid var(--line);
}

.list-marker {
    color: var(--blue-dark);
    flex: 0 0 22px;
    font-weight: 800;
    text-align: center;
}

.compact-heading {
    max-width: 800px;
}

.features-grid {
    border-top: 1px solid var(--line);
    grid-template-columns: repeat(4, 1fr);
    margin-top: 52px;
}

.feature-item {
    border-left: 1px solid var(--line);
    min-height: 250px;
    padding: 30px 24px 0;
}

.feature-item:first-child {
    border-left: 0;
    padding-left: 0;
}

.feature-icon {
    align-items: center;
    border-radius: 4px;
    display: flex;
    font-size: 1.15rem;
    font-weight: 850;
    height: 38px;
    justify-content: center;
    width: 38px;
}

.icon-blue {
    background: #dfebff;
    color: var(--blue-dark);
}

.icon-coral {
    background: #fff0e8;
    color: #ad6247;
}

.icon-teal {
    background: #ddf2ef;
    color: var(--teal);
}

.icon-gold {
    background: #fff2d9;
    color: var(--gold);
}

.privacy-band {
    align-items: start;
    background: #15233b;
    color: #f8fbff;
    display: grid;
    gap: 60px;
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    max-width: none;
    padding: clamp(60px, 8vw, 100px) max(24px, calc((100% - 1040px) / 2));
}

.privacy-band .eyebrow {
    color: #85a9ff;
}

.privacy-copy p {
    color: #bbc7d8;
    margin-top: 0;
}

.text-link {
    align-items: center;
    color: #ffffff;
    display: inline-flex;
    font-weight: 750;
    gap: 10px;
    margin-top: 22px;
    text-decoration-color: rgba(255, 255, 255, 0.45);
    text-underline-offset: 5px;
}

.closing-section {
    padding: clamp(82px, 11vw, 150px) clamp(24px, 5vw, 70px);
    text-align: center;
}

.closing-section h2 {
    margin: 0 auto;
    max-width: 730px;
}

.closing-section .eyebrow {
    margin-bottom: 20px;
}

.closing-actions {
    justify-content: center;
}

.closing-meta {
    color: var(--ink-muted);
    font-size: 0.83rem;
    margin: 22px 0 0;
}

.site-footer {
    align-items: center;
    border-top: 1px solid var(--line);
    color: var(--ink-muted);
    display: flex;
    font-size: 0.8rem;
    gap: 18px;
    justify-content: space-between;
    padding: 24px clamp(24px, 5vw, 70px) 32px;
}

.site-footer a {
    color: var(--ink);
    font-weight: 750;
    text-decoration: none;
}

@media (max-width: 800px) {
    .site-header {
        min-height: 62px;
        padding: 0 18px;
    }

    .site-nav {
        gap: 11px;
    }

    .site-nav a:not(:last-of-type) {
        display: none;
    }

    .hero h1 {
        font-size: clamp(2.5rem, 12vw, 4.2rem);
    }

    .hero-demo img {
        min-height: 0;
    }

    .workflow-grid,
    .features-grid,
    .evidence-section,
    .privacy-band {
        grid-template-columns: 1fr;
    }

    .workflow-grid {
        gap: 0;
        margin-top: 48px;
    }

    .workflow-item,
    .feature-item {
        border-left: 0;
        border-top: 1px solid var(--line);
        min-height: 0;
        padding: 28px 0;
    }

    .workflow-item:first-child,
    .feature-item:first-child {
        border-top: 0;
        padding-left: 0;
    }

    .features-grid {
        margin-top: 32px;
    }

    .evidence-section {
        gap: 52px;
    }

    .evidence-visual {
        min-height: 300px;
    }

    .privacy-band {
        gap: 28px;
    }

    .site-footer {
        align-items: flex-start;
        flex-direction: column;
        gap: 8px;
    }
}

@media (max-width: 480px) {
    .hero-actions,
    .closing-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .button {
        width: 100%;
    }

    .hero-demo img {
        min-height: 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .button {
        transition: none;
    }
}