:root {
    --fb-primary: #6366f1;
    --fb-primary-dark: #4f46e5;
    --fb-primary-light: #818cf8;
    --fb-secondary: #10b981;
    --fb-accent: #f59e0b;
    --fb-navy: #0f172a;
    --fb-slate: #475569;
    --fb-muted: #64748b;
    --fb-bg: #f8fafc;
    --fb-card: #ffffff;
    --fb-line: rgba(99, 102, 241, 0.14);
    --fb-shadow: 0 24px 60px rgba(15, 23, 42, 0.08);
    --fb-shadow-soft: 0 18px 45px rgba(99, 102, 241, 0.12);
    --fb-gradient: linear-gradient(135deg, #6366f1 0%, #4f46e5 48%, #0ea5e9 100%);
    --fb-gradient-dark: linear-gradient(135deg, #0f172a 0%, #172554 100%);
    --fb-gradient-soft: linear-gradient(135deg, #eef2ff 0%, #f8fafc 58%, #ecfeff 100%);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    color: var(--fb-navy);
    background:
        radial-gradient(circle at top right, rgba(99, 102, 241, 0.12), transparent 28%),
        radial-gradient(circle at bottom left, rgba(14, 165, 233, 0.08), transparent 30%),
        var(--fb-bg);
    line-height: 1.65;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    color: var(--fb-navy);
}

a {
    text-decoration: none;
}

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

.page-shell {
    overflow: clip;
}

.beta-banner {
    background: #F59E0B;
    color: #3b2f13;
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0.85rem 0;
    border-bottom: 1px solid rgba(59, 47, 19, 0.16);
}

.site-nav {
    position: sticky;
    top: 0;
    z-index: 1020;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(99, 102, 241, 0.1);
}

.site-nav .container {
    min-height: 84px;
}

.brand-lockup {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    color: var(--fb-navy);
}

.brand-mark {
    width: 80px;
    height: 48px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    /* color: #fff;
    background: var(--fb-gradient);
    box-shadow: 0 14px 28px rgba(79, 70, 229, 0.24);
    font-size: 1.1rem; */
}

.brand-copy {
    display: flex;
    flex-direction: column;
    line-height: 1.05;
}

.brand-name {
    font-family: 'Outfit', sans-serif;
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    text-align: start;
    margin-bottom: 0;
}

.brand-tagline {
    color: var(--fb-muted);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    margin-top: 5px;
}

.btn-primary-fb,
.btn-secondary-fb {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    min-height: 56px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 1rem;
    padding: 0.9rem 1.5rem;
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, color 0.25s ease,
        border-color 0.25s ease;
    border: 2px solid transparent;
}

.btn-primary-fb {
    background: var(--fb-gradient);
    color: #fff;
    box-shadow: 0 18px 30px rgba(79, 70, 229, 0.22);
}

.btn-primary-fb:hover {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 24px 40px rgba(79, 70, 229, 0.28);
}

.btn-secondary-fb {
    background: transparent;
    color: var(--fb-primary-dark);
    border-color: rgba(79, 70, 229, 0.28);
}

.btn-secondary-fb:hover {
    color: #fff;
    background: var(--fb-gradient);
    border-color: transparent;
    transform: translateY(-2px);
}

.hero-section {
    padding: 4rem 0 4rem;
    background: var(--fb-gradient-soft);
    position: relative;
}

.hero-section::before,
.hero-section::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}

.hero-section::before {
    width: 32rem;
    height: 32rem;
    right: -10rem;
    top: -12rem;
    background: rgba(99, 102, 241, 0.12);
}

.hero-section::after {
    width: 22rem;
    height: 22rem;
    left: -8rem;
    bottom: -8rem;
    background: rgba(16, 185, 129, 0.08);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.6rem 1rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid rgba(99, 102, 241, 0.12);
    color: var(--fb-primary-dark);
    font-weight: 600;
    font-size: 0.92rem;
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.08);
}

.hero-title {
    font-size: clamp(2.5rem, 4.8vw, 4.6rem);
    line-height: 1.03;
    letter-spacing: -0.05em;
    margin: 1.25rem 0 1.4rem;
    /* max-width: 12ch; */
}

.hero-title .text-gradient {
    background: var(--fb-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: clamp(1rem, 1.4vw, 1.18rem);
    color: var(--fb-slate);
    max-width: 58ch;
    margin-bottom: 2rem;
}

.cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}

.trust-badges {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}

.trust-badge {
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid rgba(99, 102, 241, 0.12);
    border-radius: 18px;
    padding: 1rem;
    display: flex;
    align-items: start;
    gap: 0.85rem;
    min-height: 88px;
    flex-direction: column;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.05);
}

.trust-badge-icon {
    width: 46px;
    height: 46px;
    flex: 0 0 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    color: #fff;
    background: var(--fb-gradient);
    font-size: 1rem;
}

.trust-badge span:last-child {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--fb-navy);
    line-height: 1.35;
}

.hero-visual {
    position: relative;
}

.hero-image-card {
    position: relative;
    background: rgba(255, 255, 255, 0.68);
    border: 1px solid rgba(255, 255, 255, 0.64);
    border-radius: 34px;
    padding: 1rem;
    box-shadow: var(--fb-shadow);
    backdrop-filter: blur(16px);
}

.hero-image-card img {
    aspect-ratio: 5 / 6;
    object-fit: cover;
    border-radius: 26px;
    width: 100%;
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid rgba(99, 102, 241, 0.12);
    border-radius: 22px;
    padding: 1rem 1.1rem;
    box-shadow: var(--fb-shadow-soft);
}

.floating-card strong {
    display: block;
    font-family: 'Outfit', sans-serif;
    font-size: 1.2rem;
    margin-bottom: 0.2rem;
}

.floating-card small {
    color: var(--fb-muted);
    font-size: 0.88rem;
}

.floating-card-top {
    top: 1.5rem;
    left: -2rem;
    max-width: 210px;
}

.floating-card-bottom {
    right: -1.5rem;
    bottom: 2rem;
    max-width: 230px;
}

.section-space {
    padding: 5.5rem 0;
}

.section-heading {
    max-width: 760px;
    margin: 0 auto 2.8rem;
    text-align: center;
}

.section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    padding: 0.55rem 0.95rem;
    border-radius: 999px;
    background: rgba(99, 102, 241, 0.08);
    color: var(--fb-primary-dark);
    font-weight: 600;
    font-size: 0.9rem;
}

.section-heading h2 {
    font-size: clamp(2rem, 3vw, 3.2rem);
    line-height: 1.08;
    margin-bottom: 0.9rem;
    letter-spacing: -0.04em;
}

.section-heading p {
    color: var(--fb-slate);
    font-size: 1.06rem;
    margin-bottom: 0;
}

.info-card {
    background: var(--fb-card);
    border-radius: 28px;
    border: 1px solid var(--fb-line);
    padding: 2rem;
    height: 100%;
    box-shadow: var(--fb-shadow);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.info-card:hover,
.feature-card:hover,
.step-card:hover {
    transform: translateY(-6px);
    border-color: rgba(79, 70, 229, 0.26);
    box-shadow: 0 24px 48px rgba(79, 70, 229, 0.14);
}

.info-icon,
.feature-icon {
    width: 64px;
    height: 64px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    color: #fff;
    background: var(--fb-gradient);
    box-shadow: 0 14px 28px rgba(79, 70, 229, 0.18);
    font-size: 1.35rem;
    margin-bottom: 1.3rem;
}

.info-card p,
.step-card p,
.feature-card p {
    color: var(--fb-slate);
    margin-bottom: 0;
}

.how-section {
    border-top: 1px solid rgba(99, 102, 241, 0.12);
    background: linear-gradient(180deg, #f8fafc 0%, #eef2ff 100%);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.2rem;
    position: relative;
}

.steps-grid::before {
    content: '';
    position: absolute;
    top: 58px;
    left: 9%;
    right: 9%;
    border-top: 1.5px dashed rgba(99, 102, 241, 0.28);
    z-index: 0;
}

.step-card {
    position: relative;
    z-index: 1;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--fb-line);
    border-radius: 28px;
    padding: 1.85rem;
    box-shadow: var(--fb-shadow);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.step-number {
    width: 54px;
    height: 54px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 18px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--fb-primary-dark);
    font-family: 'Outfit', sans-serif;
    font-size: 1.35rem;
    font-weight: 800;
    margin-bottom: 1.2rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
}

.feature-card {
    background: #fff;
    border: 1px solid var(--fb-line);
    border-radius: 28px;
    padding: 1.9rem;
    box-shadow: var(--fb-shadow);
    height: 100%;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.feature-card h4 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
}

.interest-section {
    padding: 5.5rem 0;
    background: var(--fb-gradient-dark);
}

.interest-shell {
    background:
        radial-gradient(circle at top right, rgba(99, 102, 241, 0.18), transparent 35%),
        linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.92));
    border-radius: 32px;
    padding: 2rem;
    box-shadow: 0 34px 80px rgba(15, 23, 42, 0.28);
    overflow: hidden;
    max-width: 890px;
    margin: auto;
}

.interest-copy {
    /* padding: 1rem 0.5rem 1rem 0; */
}

.interest-panel {
    background: rgba(248, 250, 252, 0.88);
    border: 1px solid rgba(99, 102, 241, 0.12);
    border-radius: 28px;
    padding: 1.5rem;
    min-height: 100%;
}

.disclaimer-box {
    background: #f5f5f5;
    border: 1px solid rgba(148, 163, 184, 0.28);
    color: #555555;
    font-size: 13px;
    line-height: 1.75;
    border-radius: 18px;
    padding: 1rem 1rem 0.9rem;
    margin-bottom: 1.5rem;
    border-left: 3px solid var(--amber) !important;
}

.disclaimer-box p {
    margin-bottom: 0.75rem;
}

.disclaimer-box ol {
    padding-left: 1.15rem;
    margin-bottom: 0.75rem;
}

.disclaimer-box li {
    margin-bottom: 0.5rem;
}

.form-label {
    font-weight: 600;
    color: var(--fb-navy);
    margin-bottom: 5px;
}

.form-control,
.form-select {
    border-radius: 16px;
    border: 2px solid rgba(148, 163, 184, 0.24);
    padding: 0.95rem 1rem;
    background: #fff;
    color: var(--fb-navy);
    box-shadow: none;
}

.form-control:focus,
.form-select:focus {
    border-color: rgba(79, 70, 229, 0.48);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.14);
}

.choice-grid,
.device-grid {
    display: grid;
    gap: 0.75rem;
}

.choice-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.device-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.choice-card,
.device-card {
    position: relative;
}

.choice-card input,
.device-card input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.choice-card label,
.device-card label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border: 1px solid rgba(99, 102, 241, 0.14);
    border-radius: 18px;
    padding: 1rem;
    min-height: 68px;
    background: #fff;
    cursor: pointer;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease, color 0.2s ease;
    font-weight: 600;
    color: var(--fb-slate);
}

.choice-card label i,
.device-card label i {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: rgba(99, 102, 241, 0.08);
    color: var(--fb-primary-dark);
    flex: 0 0 40px;
}

.choice-card input:checked+label,
.device-card input:checked+label {
    border-color: rgba(79, 70, 229, 0.42);
    box-shadow: 0 14px 24px rgba(99, 102, 241, 0.12);
    color: var(--fb-navy);
    transform: translateY(-2px);
}

.device-selection {
    display: none;
}

.device-selection.is-visible {
    display: block;
}

.beta-checkbox {
    border: 1px solid rgba(99, 102, 241, 0.14);
    border-radius: 18px;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.92);
}

.beta-checkbox .form-check {
    display: flex;
    gap: 0.8rem;
    align-items: flex-start;
    margin: 0;
}

.beta-checkbox .form-check-input {
    margin-top: 0.25rem;
    width: 1.15rem;
    height: 1.15rem;
    min-width: 1.15rem;
    border-radius: 0.35rem;
    border-color: rgba(99, 102, 241, 0.38);
}

.beta-checkbox .form-check-input:checked {
    background-color: var(--fb-primary-dark);
    border-color: var(--fb-primary-dark);
}

.beta-checkbox .form-check-label {
    color: var(--fb-slate);
    font-size: 0.96rem;
    line-height: 1.6;
}

.privacy-copy {
    color: var(--fb-muted);
    font-size: 0.92rem;
    margin-top: 0.9rem;
}

.privacy-copy a {
    color: var(--fb-primary-dark);
    font-weight: 600;
}

.validation-copy {
    color: #dc2626;
    font-size: 0.9rem;
    font-weight: 600;
    margin-top: 0.65rem;
    display: none;
}

.validation-copy.is-visible {
    display: block;
}

.success-panel {
    display: none;
    align-items: center;
    gap: 1rem;
    padding: 1.3rem;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.12), rgba(99, 102, 241, 0.1));
    border: 1px solid rgba(16, 185, 129, 0.24);
    color: var(--fb-navy);
    margin-top: 1.25rem;
}

.success-panel.is-visible {
    display: flex;
}

.success-icon {
    width: 56px;
    height: 56px;
    flex: 0 0 56px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 18px;
    background: rgba(16, 185, 129, 0.18);
    color: var(--fb-secondary);
    font-size: 1.35rem;
}

.countdown-section {
    padding: 5rem 0;
    background: linear-gradient(180deg, #f8fafc 0%, #eef2ff 100%);
}

.countdown-shell {
    background: #fff;
    border-radius: 30px;
    border: 1px solid var(--fb-line);
    padding: 2rem;
    box-shadow: var(--fb-shadow);
}

.countdown-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.countdown-card {
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.08), rgba(14, 165, 233, 0.06));
    border: 1px solid rgba(99, 102, 241, 0.12);
    border-radius: 24px;
    padding: 1.3rem 1rem;
    text-align: center;
}

.countdown-value {
    font-family: 'Outfit', sans-serif;
    font-size: clamp(2rem, 3vw, 3rem);
    line-height: 1;
    font-weight: 800;
    color: var(--fb-primary-dark);
}

.countdown-label {
    color: var(--fb-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-top: 0.4rem;
}

.launch-note {
    color: var(--fb-slate);
    margin-top: 1.5rem;
    font-weight: 600;
}

.site-footer {
    background: #0b1120;
    color: #fff;
    padding: 3.5rem 0 2rem;
    text-align: center;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 1.4rem;
    margin: 1.4rem 0 1rem;
    justify-content: center;
}

.footer-links a,
.social-links a {
    color: #cbd5e1;
    transition: color 0.2s ease, transform 0.2s ease;
}

.footer-links a:hover,
.social-links a:hover {
    color: #fff;
    transform: translateY(-1px);
}

.social-links {
    display: flex;
    gap: 0.9rem;
    margin-top: 1rem;
    justify-content: center;
}

.social-links a {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(148, 163, 184, 0.12);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.footer-disclaimer {
    color: #aaaaaa !important;
    font-size: 11px;
    line-height: 1.7;
    margin-top: 0.85rem;
    max-width: 860px;
    margin-left: auto;
    margin-right: auto;
}

.footer-copy {
    color: #cbd5e1;
    margin-bottom: 0;
}

.footer-divider {
    margin-top: 25px;
}

@media (max-width: 1199px) {

    .trust-badges,
    .feature-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .steps-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .steps-grid::before {
        display: none;
    }

    .floating-card-top {
        left: -1rem;
    }

    .floating-card-bottom {
        right: -1rem;
    }
}

@media (max-width: 991px) {
    .hero-section {
        padding: 1rem 0 3.5rem;
    }

    .hero-visual {
        margin-top: 2rem;
    }

    .floating-card-top {
        top: 1rem;
        left: 1rem;
    }

    .floating-card-bottom {
        right: 1rem;
        bottom: 1rem;
    }

    .interest-copy {
        padding-right: 0;
        margin-bottom: 1.25rem;
    }

    .choice-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 767px) {
    .site-nav .container {
        min-height: 74px;
    }

    .beta-banner {
        font-size: 0.86rem;
    }

    .section-space,
    .interest-section,
    .countdown-section {
        padding: 4rem 0;
    }

    .trust-badges,
    .feature-grid,
    .steps-grid,
    .countdown-grid,
    .device-grid {
        grid-template-columns: 1fr;
    }

    .trust-badge {
        min-height: auto;
    }

    .floating-card {
        position: static;
        margin-top: 1rem;
        max-width: none;
    }

    .interest-shell {
        padding: 1.25rem;
    }
}

@media (max-width: 575px) {
    .hero-title {
        font-size: 2.35rem;
        line-height: 1.3;
        max-width: 100%;
    }

    .hero-subtitle {
        margin-bottom: 1rem;
    }

    .trust-badge {
        align-items: center;
        flex-direction: row;
    }

    .btn-primary-fb,
    .btn-secondary-fb {
        width: 100%;
    }

    .site-nav .btn-primary-fb {
        white-space: nowrap;
        max-width: fit-content;
        padding: 8px 15px;
        min-height: 0;
    }

    .brand-tagline {
        display: none;
    }

    .cta-group {
        flex-direction: column;
    }

    .brand-mark {
        width: 42px;
        height: 42px;
        border-radius: 14px;
    }

    .brand-name {
        font-size: 1.2rem;
    }

    .info-card,
    .feature-card,
    .step-card,
    .countdown-shell,
    .interest-panel {
        padding: 1.35rem;
    }
}