:root {
    --bg: #f7f8fc;
    --bg-soft: #eef4ff;
    --surface: #ffffff;
    --surface-soft: #f8fafc;

    --text: #172033;
    --muted: #64748b;
    --muted-2: #94a3b8;

    --primary: #3157ff;
    --primary-dark: #2444d8;
    --primary-soft: #e8edff;

    --accent: #ffb84d;
    --accent-soft: #fff3df;

    --success: #16a34a;
    --success-soft: #dcfce7;

    --border: #e2e8f0;
    --shadow: 0 20px 60px rgba(15, 23, 42, 0.10);
    --shadow-soft: 0 12px 30px rgba(15, 23, 42, 0.08);

    --radius-sm: 12px;
    --radius-md: 18px;
    --radius-lg: 28px;

    --container: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(49, 87, 255, 0.12), transparent 32rem),
        radial-gradient(circle at top right, rgba(255, 184, 77, 0.16), transparent 28rem),
        var(--bg);
    line-height: 1.6;
}

body.contact-modal-open {
    overflow: hidden;
}

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

img {
    max-width: 100%;
}

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

.topbar {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.86);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

.nav {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 22px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 850;
    font-size: 20px;
    letter-spacing: -0.03em;
}

.logo-mark {
    width: 38px;
    height: 38px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), #6d7dff);
    color: #fff;
    box-shadow: 0 12px 30px rgba(49, 87, 255, 0.28);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 22px;
    font-size: 14px;
    font-weight: 650;
    color: #475569;
}

.nav-links a {
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: var(--primary);
}

.nav-actions {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 18px;
    border-radius: 999px;
    border: 1px solid transparent;
    font-size: 14px;
    font-weight: 750;
    line-height: 1;
    cursor: pointer;
    transition:
        transform 0.18s ease,
        box-shadow 0.18s ease,
        background 0.18s ease,
        border-color 0.18s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #6478ff);
    color: #fff;
    box-shadow: 0 14px 28px rgba(49, 87, 255, 0.26);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    box-shadow: 0 18px 34px rgba(49, 87, 255, 0.32);
}

.btn-secondary {
    background: #fff;
    color: var(--text);
    border-color: var(--border);
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.06);
}

.btn-secondary:hover {
    border-color: #cbd5e1;
    box-shadow: 0 12px 26px rgba(15, 23, 42, 0.10);
}

.hero {
    padding: 88px 0 64px;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
    align-items: center;
    gap: 58px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 9px 13px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid rgba(226, 232, 240, 0.9);
    color: #475569;
    font-size: 13px;
    font-weight: 750;
    box-shadow: 0 10px 28px rgba(15, 23, 42, 0.06);
}

.badge-dot {
    width: 9px;
    height: 9px;
    border-radius: 999px;
    background: var(--success);
    box-shadow: 0 0 0 5px rgba(22, 163, 74, 0.13);
}

.hero h1 {
    margin: 22px 0 18px;
    max-width: 760px;
    font-size: clamp(42px, 6vw, 72px);
    line-height: 0.98;
    letter-spacing: -0.07em;
}

.hero p {
    margin: 0;
    max-width: 670px;
    color: var(--muted);
    font-size: 18px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
}

.pilot-offer {
    margin-top: 24px;
    max-width: 650px;
    padding: 16px 18px;
    border-radius: var(--radius-md);
    background: var(--accent-soft);
    border: 1px solid #fed7aa;
    color: #7c3f00;
    font-size: 14px;
}

.trust-line {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 20px;
    color: #475569;
    font-size: 14px;
    font-weight: 650;
}

.trust-line span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.check {
    width: 20px;
    height: 20px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--success-soft);
    color: var(--success);
    font-style: normal;
    font-size: 13px;
}

.hero-card {
    position: relative;
    min-height: 500px;
    border-radius: 38px;
    padding: 28px;
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.55)),
        radial-gradient(circle at top right, rgba(49, 87, 255, 0.22), transparent 22rem);
    border: 1px solid rgba(255, 255, 255, 0.78);
    box-shadow: var(--shadow);
}

.hero-card::before {
    content: "";
    position: absolute;
    inset: 34px -24px auto auto;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: rgba(255, 184, 77, 0.24);
    filter: blur(6px);
}

.report-preview {
    position: relative;
    z-index: 1;
    margin: 34px auto 0;
    max-width: 410px;
    overflow: hidden;
    border-radius: 28px;
    background: #fff;
    border: 1px solid var(--border);
    box-shadow: 0 26px 70px rgba(15, 23, 42, 0.14);
}

.report-head {
    padding: 24px;
    background: linear-gradient(135deg, #172033, #3157ff);
    color: #fff;
}

.report-head small {
    display: block;
    margin-bottom: 8px;
    color: rgba(255, 255, 255, 0.72);
    font-weight: 700;
}

.report-head strong {
    display: block;
    font-size: 22px;
    line-height: 1.15;
    letter-spacing: -0.04em;
}

.report-body {
    padding: 22px;
    display: grid;
    gap: 14px;
}

.score-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 15px;
    border-radius: 16px;
    background: var(--surface-soft);
    border: 1px solid #edf2f7;
}

.score-row b {
    font-size: 14px;
}

.pill {
    flex-shrink: 0;
    padding: 7px 10px;
    border-radius: 999px;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 12px;
    font-weight: 800;
}

.floating-note {
    position: absolute;
    z-index: 2;
    left: 24px;
    right: 24px;
    bottom: 26px;
    padding: 16px 18px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(226, 232, 240, 0.9);
    box-shadow: var(--shadow-soft);
    color: #475569;
    font-size: 14px;
    font-weight: 650;
}

.section {
    padding: 86px 0;
}

.section-soft {
    background:
        linear-gradient(180deg, rgba(238, 244, 255, 0.72), rgba(255, 255, 255, 0.74));
}

.section-title {
    max-width: 790px;
    margin: 0 auto 42px;
    text-align: center;
}

.section-kicker,
.pilot-label {
    display: inline-block;
    margin-bottom: 10px;
    color: var(--primary);
    font-size: 13px;
    font-weight: 850;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.section-title h2 {
    margin: 0 0 12px;
    font-size: clamp(30px, 4vw, 48px);
    line-height: 1.08;
    letter-spacing: -0.055em;
}

.section-title p {
    margin: 0;
    color: var(--muted);
    font-size: 17px;
}

.problem-box {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 24px;
    align-items: start;
    padding: 34px;
    border-radius: var(--radius-lg);
    background: #fff;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-soft);
}

.problem-icon {
    width: 70px;
    height: 70px;
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 32px;
}

.problem-content h2 {
    margin: 0 0 10px;
    font-size: 32px;
    letter-spacing: -0.04em;
}

.problem-content p {
    margin: 10px 0 0;
    color: var(--muted);
}

.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.card,
.diff-card,
.security-card,
.premium-compare-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 24px;
    box-shadow: var(--shadow-soft);
}

.card {
    padding: 24px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.card .icon {
    width: 50px;
    height: 50px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface-soft);
    font-size: 24px;
}

.card h3 {
    margin: 18px 0 8px;
    font-size: 19px;
    letter-spacing: -0.03em;
}

.card p {
    margin: 0;
    color: var(--muted);
    font-size: 15px;
}

.report-sections {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}

.report-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 17px 18px;
    border-radius: 18px;
    background: #fff;
    border: 1px solid var(--border);
    box-shadow: 0 8px 22px rgba(15, 23, 42, 0.045);
    color: #334155;
    font-weight: 750;
}

.report-item span {
    width: 34px;
    height: 34px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: #fff;
    font-size: 13px;
    flex-shrink: 0;
}

.comparison-premium {
    position: relative;
    overflow: hidden;
}

.premium-compare-grid {
    display: grid;
    grid-template-columns: 1fr 280px 1fr;
    gap: 22px;
    align-items: center;
}

.premium-compare-card {
    padding: 28px;
    min-height: 430px;
}

.compare-card-top {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.compare-icon {
    width: 44px;
    height: 44px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface-soft);
    font-size: 22px;
}

.premium-compare-card h3 {
    margin: 20px 0;
    font-size: 26px;
    line-height: 1.18;
    letter-spacing: -0.04em;
}

.premium-compare-card ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 13px;
}

.premium-compare-card li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: #475569;
    font-size: 15px;
}

.premium-compare-card li span {
    flex-shrink: 0;
}

.old-method {
    background: linear-gradient(180deg, #fff, #fff8f1);
}

.new-method {
    background: linear-gradient(180deg, #fff, #f1f5ff);
    border-color: rgba(49, 87, 255, 0.18);
}

.compare-center-visual {
    position: relative;
    min-height: 360px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.compare-device {
    width: 220px;
    min-height: 290px;
    padding: 22px;
    border-radius: 30px;
    background: linear-gradient(160deg, #172033, #3157ff);
    box-shadow: 0 28px 70px rgba(49, 87, 255, 0.28);
}

.device-bar,
.device-line {
    background: rgba(255, 255, 255, 0.74);
    border-radius: 999px;
}

.device-bar {
    width: 70px;
    height: 8px;
    margin: 0 auto 34px;
}

.device-line {
    height: 10px;
    margin-bottom: 12px;
}

.device-line.big {
    height: 18px;
}

.device-line.short {
    width: 62%;
}

.device-metrics {
    display: grid;
    gap: 10px;
    margin-top: 40px;
}

.device-metrics span {
    padding: 10px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.14);
    color: #fff;
    font-size: 12px;
    font-weight: 750;
}

.orbit-card {
    position: absolute;
    padding: 10px 12px;
    border-radius: 999px;
    background: #fff;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-soft);
    color: var(--primary);
    font-size: 13px;
    font-weight: 850;
}

.orbit-one {
    top: 40px;
    right: 8px;
}

.orbit-two {
    left: 0;
    bottom: 52px;
}

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

.diff-card {
    padding: 24px;
}

.diff-card b {
    display: block;
    margin-bottom: 8px;
    font-size: 18px;
    letter-spacing: -0.02em;
}

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

.process-timeline {
    position: relative;
    display: grid;
    gap: 18px;
    max-width: 880px;
    margin: 0 auto;
}

.process-item {
    display: grid;
    grid-template-columns: 58px 1fr;
    gap: 18px;
    align-items: start;
    padding: 22px;
    border-radius: 22px;
    background: #fff;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-soft);
}

.process-number {
    width: 52px;
    height: 52px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: #fff;
    font-weight: 900;
}

.process-content h3 {
    margin: 0 0 6px;
    font-size: 20px;
}

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

.process-cta,
.pilot-box,
.capacity {
    margin-top: 34px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 24px;
    align-items: center;
    padding: 32px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, #172033, #3157ff);
    color: #fff;
    box-shadow: var(--shadow);
}

.process-cta span,
.process-cta p,
.pilot-box p,
.capacity p,
.capacity small {
    color: rgba(255, 255, 255, 0.78);
}

.process-cta h3,
.pilot-box h2,
.capacity h2 {
    margin: 5px 0 10px;
    letter-spacing: -0.04em;
}

.process-cta p,
.pilot-box p,
.capacity p {
    margin: 0;
}

.capacity {
    margin-top: 0;
    background: #fff;
    color: var(--text);
    border: 1px solid var(--border);
}

.capacity p,
.capacity small {
    color: var(--muted);
}

.capacity-number {
    font-size: 64px;
    font-weight: 900;
    line-height: 1;
    letter-spacing: -0.08em;
    color: var(--primary);
}

.security {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}

.security-card {
    padding: 26px;
}

.security-card h3 {
    margin: 0 0 8px;
    font-size: 22px;
}

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

.faq {
    max-width: 840px;
    margin: 0 auto;
    display: grid;
    gap: 12px;
}

.faq details {
    border-radius: 18px;
    background: #fff;
    border: 1px solid var(--border);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.045);
    overflow: hidden;
}

.faq summary {
    cursor: pointer;
    padding: 18px 20px;
    font-weight: 800;
    list-style: none;
}

.faq summary::-webkit-details-marker {
    display: none;
}

.faq summary::after {
    content: "+";
    float: right;
    color: var(--primary);
    font-size: 20px;
}

.faq details[open] summary::after {
    content: "−";
}

.faq p {
    margin: 0;
    padding: 0 20px 20px;
    color: var(--muted);
}

.pilot-box {
    margin-top: 0;
    background: linear-gradient(135deg, #fff7ed, #eef4ff);
    color: var(--text);
    border: 1px solid #fed7aa;
}

.pilot-box p {
    color: var(--muted);
}

.cta {
    padding: 76px 0;
    background: linear-gradient(135deg, var(--primary), #172033);
    color: #fff;
    text-align: center;
}

.cta h2 {
    margin: 0 0 10px;
    font-size: clamp(30px, 4vw, 48px);
    letter-spacing: -0.05em;
}

.cta p {
    max-width: 680px;
    margin: 0 auto 24px;
    color: rgba(255, 255, 255, 0.78);
}

.footer {
    padding: 26px 0;
    background: #0f172a;
    color: rgba(255, 255, 255, 0.72);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: center;
    font-size: 14px;
}

.footer a {
    color: rgba(255, 255, 255, 0.86);
}

.footer a:hover {
    color: #fff;
}

.contact-modal {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: none;
}

.contact-modal.is-open {
    display: block;
}

.contact-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.62);
    backdrop-filter: blur(8px);
}

.contact-modal-box {
    position: relative;
    width: min(560px, calc(100% - 32px));
    margin: 8vh auto;
    padding: 30px;
    border-radius: 28px;
    background: #fff;
    box-shadow: 0 30px 90px rgba(0, 0, 0, 0.28);
}

.contact-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 38px;
    height: 38px;
    border: 0;
    border-radius: 999px;
    background: var(--surface-soft);
    color: var(--text);
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
}

.contact-modal-label {
    display: inline-block;
    margin-bottom: 10px;
    color: var(--primary);
    font-size: 13px;
    font-weight: 850;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.star-youth-form-box h2 {
    margin: 0 0 10px;
    font-size: 30px;
    letter-spacing: -0.04em;
}

.star-youth-form-box p {
    margin: 0 0 18px;
    color: var(--muted);
}

.contactForm {
    padding: 18px;
    border-radius: 20px;
    background: var(--surface-soft);
    border: 1px solid var(--border);
}

@media (max-width: 1024px) {
    .nav-links {
        display: none;
    }

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

    .hero-card {
        min-height: 460px;
    }

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

    .premium-compare-grid {
        grid-template-columns: 1fr;
    }

    .compare-center-visual {
        min-height: 280px;
        order: -1;
    }

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

@media (max-width: 720px) {
    .container {
        width: min(100% - 28px, var(--container));
    }

    .topbar {
        position: relative;
    }

    .nav {
        flex-wrap: wrap;
        padding: 14px 0;
    }

    .nav-actions {
        width: 100%;
    }

    .nav-actions .btn {
        flex: 1;
    }

    .hero {
        padding: 54px 0 40px;
    }

    .hero h1 {
        font-size: 42px;
    }

    .hero p {
        font-size: 16px;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .hero-card {
        min-height: auto;
        padding: 18px;
        border-radius: 28px;
    }

    .report-preview {
        margin-top: 0;
    }

    .floating-note {
        position: static;
        margin-top: 14px;
    }

    .section {
        padding: 58px 0;
    }

    .problem-box {
        grid-template-columns: 1fr;
        padding: 24px;
    }

    .cards,
    .report-sections,
    .security {
        grid-template-columns: 1fr;
    }

    .process-cta,
    .pilot-box,
    .capacity {
        grid-template-columns: 1fr;
        padding: 24px;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }

    .contact-modal-box {
        margin: 5vh auto;
        padding: 24px;
    }
}

@media (max-width: 460px) {
    .hero h1 {
        font-size: 36px;
    }

    .section-title h2,
    .cta h2 {
        font-size: 30px;
    }

    .btn {
        min-height: 42px;
        padding: 0 14px;
    }

    .premium-compare-card {
        padding: 22px;
    }

    .capacity-number {
        font-size: 52px;
    }
}