:root {
    --bg: #f6f8fc;
    --surface: #ffffff;
    --surface-soft: #eef4ff;
    --text: #142033;
    --muted: #667287;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --border: #dce4f0;
    --shadow: 0 24px 70px rgba(20, 32, 51, 0.14);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--text);
    background: var(--bg);
}

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

.container {
    width: min(1120px, calc(100% - 40px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(14px);
}

.nav {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

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

.brand-mark {
    width: 44px;
    height: 44px;
    border-radius: 15px;
    display: grid;
    place-items: center;
    background: #ffffff;
    box-shadow: 0 10px 24px rgba(37, 99, 235, 0.18);
    overflow: hidden;
    flex: 0 0 auto;
}

.brand-mark img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.brand-name {
    display: block;
    font-weight: 900;
    letter-spacing: -0.03em;
}

.brand-owner {
    display: block;
    margin-top: 2px;
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 700;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 22px;
    color: var(--muted);
    font-weight: 800;
    font-size: 0.95rem;
}

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

.contact-link {
    color: var(--primary);
}

.hero {
    padding: 92px 0 82px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.12fr 0.88fr;
    align-items: center;
    gap: 58px;
}

.eyebrow,
.section-kicker {
    margin: 0 0 16px;
    color: var(--primary);
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

h1 {
    margin: 0;
    max-width: 760px;
    font-size: clamp(2.65rem, 6.7vw, 5.45rem);
    line-height: 0.96;
    letter-spacing: -0.07em;
}

.hero-text {
    max-width: 690px;
    margin: 28px 0 0;
    color: var(--muted);
    font-size: 1.16rem;
    line-height: 1.72;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 34px;
}

.btn {
    min-height: 50px;
    padding: 0 24px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    font-weight: 900;
}

.btn.primary {
    color: #ffffff;
    background: var(--primary);
    box-shadow: 0 14px 28px rgba(37, 99, 235, 0.24);
}

.btn.primary:hover {
    background: var(--primary-dark);
}

.btn.secondary {
    color: var(--text);
    background: var(--surface);
    border-color: var(--border);
}

.btn.secondary:hover {
    border-color: var(--primary);
}

.trust-note {
    max-width: 620px;
    margin: 28px 0 0;
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.55;
}

.hero-visual {
    display: flex;
    justify-content: center;
}

.phone {
    width: 320px;
    min-height: 640px;
    padding: 18px;
    border-radius: 48px;
    background: #101827;
    box-shadow: var(--shadow);
}

.phone-speaker {
    width: 88px;
    height: 8px;
    margin: 0 auto 18px;
    border-radius: 999px;
    background: #303949;
}

.screen {
    min-height: 580px;
    padding: 24px;
    border-radius: 34px;
    background: linear-gradient(180deg, #ffffff 0%, #eef4ff 100%);
}

.screen-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.screen-title {
    width: 120px;
    height: 16px;
    border-radius: 999px;
    background: var(--primary);
}

.screen-dot {
    width: 34px;
    height: 34px;
    border-radius: 12px;
    background: #dbeafe;
}

.progress {
    height: 10px;
    margin: 28px 0;
    border-radius: 999px;
    background: #dbe4f2;
    overflow: hidden;
}

.progress span {
    display: block;
    width: 58%;
    height: 100%;
    background: var(--primary);
    border-radius: inherit;
}

.question-card {
    padding: 22px;
    margin-top: 18px;
    border-radius: 24px;
    background: #ffffff;
    border: 1px solid var(--border);
    box-shadow: 0 14px 34px rgba(20, 32, 51, 0.08);
}

.question-card.soft {
    background: #f8fbff;
}

.small-line,
.large-line,
.input-line {
    border-radius: 999px;
}

.small-line {
    width: 42%;
    height: 10px;
    background: #bfd1ea;
}

.large-line {
    width: 88%;
    height: 16px;
    margin-top: 14px;
    background: #d9e3f2;
}

.large-line.short {
    width: 68%;
}

.input-line {
    height: 42px;
    margin-top: 22px;
    background: #edf3fb;
    border: 1px solid var(--border);
}

.screen-button {
    height: 50px;
    margin-top: 28px;
    border-radius: 999px;
    background: var(--primary);
}

.section {
    padding: 82px 0;
    background: var(--surface);
}

.section-heading {
    max-width: 820px;
}

.section-heading h2 {
    margin: 0;
    font-size: clamp(2rem, 4.4vw, 3.55rem);
    line-height: 1.04;
    letter-spacing: -0.055em;
}

.section-heading p {
    margin: 20px 0 0;
    color: var(--muted);
    font-size: 1.08rem;
    line-height: 1.7;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-top: 38px;
}

.feature-card,
.legal-card {
    padding: 28px;
    border: 1px solid var(--border);
    border-radius: 26px;
    background: var(--surface);
    box-shadow: 0 14px 34px rgba(20, 32, 51, 0.06);
}

.feature-card h3,
.legal-card h2 {
    margin: 0 0 12px;
    letter-spacing: -0.03em;
}

.feature-card p,
.legal-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.68;
}

.legal-card p + p {
    margin-top: 14px;
}

.legal-card a {
    color: var(--primary);
    font-weight: 800;
}

.notice {
    margin-top: 34px;
    padding: 20px 22px;
    border-radius: 22px;
    border: 1px solid #bfdbfe;
    background: var(--surface-soft);
    color: #1e3a8a;
    line-height: 1.65;
}

.legal-section {
    background: var(--bg);
}

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

.site-footer {
    padding: 30px 0;
    border-top: 1px solid var(--border);
    background: #ffffff;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 22px;
    flex-wrap: wrap;
    color: var(--muted);
    font-size: 0.95rem;
}

.footer-content p {
    margin: 0;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
}

.footer-links a {
    color: var(--text);
    font-weight: 800;
}

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

@media (max-width: 900px) {
    .hero {
        padding: 66px 0;
    }

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

    .hero-visual {
        justify-content: flex-start;
    }

    .phone {
        width: min(100%, 330px);
    }
}

@media (max-width: 640px) {
    .container {
        width: min(100% - 28px, 1120px);
    }

    .nav {
        align-items: flex-start;
        flex-direction: column;
        padding: 16px 0;
    }

    .nav-links {
        width: 100%;
        justify-content: space-between;
        gap: 12px;
        font-size: 0.88rem;
    }

    h1 {
        font-size: clamp(2.45rem, 14vw, 4.2rem);
    }

    .hero-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .section {
        padding: 64px 0;
    }
}
