:root {
    color-scheme: light;
    --ink: #101820;
    --muted: #5d6a73;
    --line: #dce4e9;
    --page: #f7fafb;
    --surface: #ffffff;
    --blue: #0d5df2;
    --blue-dark: #063d9f;
    --green: #11a876;
    --coral: #ef6b55;
    --navy: #07101d;
    --gold: #f5a524;
    --shadow: 0 18px 48px rgba(16, 24, 32, 0.12);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    background: var(--page);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.55;
    letter-spacing: 0;
}

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

a {
    color: inherit;
    text-decoration: none;
}

.site-header {
    position: fixed;
    z-index: 20;
    top: 18px;
    left: 50%;
    width: min(1160px, calc(100% - 32px));
    min-height: 68px;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 12px 16px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 8px;
    background: rgba(7, 16, 29, 0.72);
    color: #ffffff;
    backdrop-filter: blur(16px);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 1.08rem;
    font-weight: 800;
    white-space: nowrap;
}

.brand img,
.final-cta img {
    border-radius: 8px;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 6px;
    color: rgba(255, 255, 255, 0.82);
    font-size: 0.94rem;
}

.site-nav a {
    padding: 10px 12px;
    border-radius: 8px;
}

.site-nav a:hover,
.site-nav a:focus-visible {
    background: rgba(255, 255, 255, 0.11);
    color: #ffffff;
}

.hero {
    position: relative;
    min-height: clamp(660px, 88vh, 840px);
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: 132px 24px 86px;
    color: #ffffff;
    background: #07101d;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(90deg, rgba(7, 16, 29, 0.96) 0%, rgba(7, 16, 29, 0.83) 34%, rgba(7, 16, 29, 0.28) 72%, rgba(7, 16, 29, 0.72) 100%),
        url("/assets/landing/hero-bg.webp");
    background-size: cover;
    background-position: center;
}

.hero-content {
    position: relative;
    z-index: 1;
    width: min(1160px, 100%);
    margin: 0 auto;
}

.hero-kicker,
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #9fe8cd;
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: var(--green);
    box-shadow: 0 0 0 7px rgba(17, 168, 118, 0.18);
}

.hero h1 {
    max-width: 670px;
    margin: 18px 0 18px;
    font-size: clamp(3rem, 6.4vw, 6.2rem);
    line-height: 0.96;
    letter-spacing: 0;
}

.hero p {
    max-width: 650px;
    margin: 0;
    color: rgba(255, 255, 255, 0.82);
    font-size: clamp(1.08rem, 1.8vw, 1.32rem);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 32px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 0 22px;
    border-radius: 8px;
    font-weight: 800;
    line-height: 1;
}

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

.button.primary:hover,
.button.primary:focus-visible {
    background: #2b73ff;
}

.button.secondary {
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
}

.button.secondary:hover,
.button.secondary:focus-visible {
    background: rgba(255, 255, 255, 0.14);
}

.button.light {
    border: 1px solid var(--line);
    background: #ffffff;
    color: var(--ink);
}

.button.light:hover,
.button.light:focus-visible {
    background: #f2f6f8;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    max-width: 790px;
    margin: 52px 0 0;
}

.hero-stats div {
    min-height: 118px;
    padding: 18px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(8px);
}

.hero-stats dt {
    margin: 0 0 7px;
    color: #ffffff;
    font-weight: 900;
}

.hero-stats dd {
    margin: 0;
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.94rem;
}

.section {
    padding: 92px 24px;
}

.section-light {
    background: var(--page);
}

.section-dark {
    background: var(--navy);
    color: #ffffff;
}

.section-heading {
    width: min(860px, 100%);
    margin: 0 auto 44px;
    text-align: center;
}

.section-heading.align-left {
    width: min(1160px, 100%);
    text-align: left;
}

.section-heading h2,
.privacy-copy h2,
.final-cta h2 {
    margin: 10px 0 12px;
    font-size: clamp(2rem, 3.4vw, 3.5rem);
    line-height: 1.05;
    letter-spacing: 0;
}

.section-heading p,
.privacy-copy p,
.final-cta p {
    margin: 0;
    color: var(--muted);
    font-size: 1.06rem;
}

.section-dark .section-heading p,
.section-dark .safety-item p {
    color: rgba(255, 255, 255, 0.72);
}

.feature-layout {
    width: min(1160px, 100%);
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(300px, 0.86fr) minmax(0, 1.14fr);
    gap: 52px;
    align-items: center;
}

.phone-stack {
    position: relative;
    min-height: 690px;
}

.phone-shot {
    width: min(320px, 74vw);
    border: 10px solid #101820;
    border-radius: 34px;
    box-shadow: var(--shadow);
    background: #ffffff;
}

.shot-front {
    position: relative;
    z-index: 2;
}

.shot-back {
    position: absolute;
    z-index: 1;
    top: 58px;
    left: min(160px, 26vw);
    opacity: 0.98;
}

.feature-grid,
.safety-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.feature-card,
.safety-item,
.policy-panel {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
}

.feature-card {
    min-height: 214px;
    padding: 24px;
}

.feature-icon {
    display: inline-grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border-radius: 8px;
    background: #e8f3ff;
    color: var(--blue);
    font-weight: 900;
}

.feature-card:nth-child(2) .feature-icon {
    background: #e9f8f2;
    color: var(--green);
}

.feature-card:nth-child(3) .feature-icon {
    background: #fff3e7;
    color: var(--coral);
}

.feature-card:nth-child(4) .feature-icon {
    background: #fff7df;
    color: #9b6900;
}

.feature-card h3,
.safety-item h3,
.policy-panel h3 {
    margin: 18px 0 8px;
    font-size: 1.16rem;
    line-height: 1.2;
}

.feature-card p,
.safety-item p {
    margin: 0;
    color: var(--muted);
}

.safety-grid {
    width: min(1160px, 100%);
    margin: 0 auto;
}

.safety-item {
    min-height: 178px;
    padding: 26px;
    border-color: rgba(255, 255, 255, 0.13);
    background: rgba(255, 255, 255, 0.06);
}

.safety-item h3 {
    color: #ffffff;
}

.link-row {
    width: min(1160px, 100%);
    margin: 30px auto 0;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.link-row a {
    color: #9fe8cd;
    font-weight: 800;
}

.privacy-band {
    width: min(1160px, calc(100% - 48px));
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 42px;
    align-items: start;
}

.privacy-copy .eyebrow {
    color: var(--blue-dark);
}

.check-list {
    display: grid;
    gap: 12px;
    margin: 28px 0 0;
    padding: 0;
    list-style: none;
}

.check-list li {
    position: relative;
    padding-left: 34px;
    color: #27333d;
}

.check-list li::before {
    content: "";
    position: absolute;
    top: 4px;
    left: 0;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--green);
}

.check-list li::after {
    content: "";
    position: absolute;
    top: 9px;
    left: 7px;
    width: 6px;
    height: 10px;
    border-right: 2px solid #ffffff;
    border-bottom: 2px solid #ffffff;
    transform: rotate(42deg);
}

.policy-panel {
    padding: 22px;
    box-shadow: var(--shadow);
}

.policy-panel h3 {
    margin-top: 0;
}

.policy-panel a {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 0;
    border-top: 1px solid var(--line);
    color: var(--blue-dark);
    font-weight: 800;
}

.policy-panel a::after {
    content: ">";
    color: var(--muted);
}

.final-cta {
    text-align: center;
    background: #ffffff;
}

.final-cta img {
    margin: 0 auto 18px;
}

.final-cta p {
    max-width: 680px;
    margin: 0 auto 26px;
}

.final-actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
}

.site-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 28px 24px;
    border-top: 1px solid var(--line);
    background: #ffffff;
    color: var(--muted);
}

.site-footer nav {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.site-footer a {
    color: var(--ink);
    font-weight: 700;
}

@media (max-width: 900px) {
    .site-header {
        top: 10px;
        width: calc(100% - 20px);
        min-height: 62px;
    }

    .site-nav {
        display: none;
    }

    .hero {
        min-height: 88vh;
        padding: 112px 18px 72px;
    }

    .hero-bg {
        background-image:
            linear-gradient(180deg, rgba(7, 16, 29, 0.94) 0%, rgba(7, 16, 29, 0.78) 48%, rgba(7, 16, 29, 0.38) 100%),
            url("/assets/landing/hero-bg.webp");
        background-position: 70% center;
    }

    .hero h1 {
        max-width: 560px;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        margin-top: 36px;
    }

    .hero-stats div {
        min-height: auto;
    }

    .section {
        padding: 68px 18px;
    }

    .feature-layout {
        grid-template-columns: 1fr;
        gap: 34px;
    }

    .phone-stack {
        min-height: 620px;
        width: min(520px, 100%);
        margin: 0 auto;
    }

    .shot-back {
        left: auto;
        right: 0;
    }

    .feature-grid,
    .safety-grid,
    .privacy-band {
        grid-template-columns: 1fr;
    }

    .privacy-band {
        width: auto;
        margin: 0;
    }
}

@media (max-width: 560px) {
    .brand img {
        width: 40px;
        height: 40px;
    }

    .hero {
        min-height: 86vh;
        padding-top: 104px;
        padding-bottom: 48px;
    }

    .hero h1 {
        font-size: clamp(2.35rem, 11vw, 3.4rem);
    }

    .hero-actions .button {
        flex: 1 1 160px;
    }

    .hero-actions {
        gap: 10px;
    }

    .hero-stats {
        display: none;
    }

    .phone-stack {
        min-height: 560px;
    }

    .phone-shot {
        width: min(270px, 72vw);
        border-width: 8px;
        border-radius: 30px;
    }

    .shot-back {
        top: 54px;
    }

    .feature-card,
    .safety-item,
    .policy-panel {
        padding: 20px;
    }

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