* {
    box-sizing: border-box;
}

:root {
    --bg: #f4f7fb;
    --panel: #ffffff;
    --panel-soft: #eef4f8;
    --text: #0f172a;
    --muted: #5b677a;
    --brand: #1f7a8c;
    --brand-dark: #16606e;
    --line: #d7e1ea;
    --shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Inter, Segoe UI, Arial, sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(31, 122, 140, 0.10), transparent 28%),
        radial-gradient(circle at top right, rgba(18, 120, 102, 0.08), transparent 24%),
        var(--bg);
}

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

.landing-topbar,
.hero,
.section,
.landing-footer {
    width: min(1180px, calc(100% - 48px));
    margin: 0 auto;
}

.landing-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 0;
}

.landing-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 1.1rem;
    font-weight: 700;
}

.landing-mark {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--brand), #34a3b7);
    color: #fff;
    box-shadow: var(--shadow);
}

.landing-nav {
    display: flex;
    gap: 24px;
    color: var(--muted);
    font-size: 0.95rem;
}

.landing-nav a:hover {
    color: var(--brand-dark);
}

.hero {
    display: grid;
    grid-template-columns: 1.4fr 0.9fr;
    gap: 28px;
    align-items: stretch;
    padding: 36px 0 24px;
}

.hero-copy,
.hero-panel,
.feature-card,
.screen-card,
.timeline-step,
.contact-form {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: var(--shadow);
}

.hero-copy {
    padding: 42px;
}

.eyebrow {
    margin: 0 0 14px;
    color: var(--brand);
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-size: 0.78rem;
}

.hero h1,
.section h2,
.contact-copy h2 {
    margin: 0;
    line-height: 1.06;
    letter-spacing: -0.02em;
}

.hero h1 {
    font-size: clamp(2.4rem, 4vw, 4.4rem);
    max-width: 10ch;
}

.hero-text {
    margin: 18px 0 0;
    max-width: 60ch;
    color: var(--muted);
    font-size: 1.05rem;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 14px;
    margin-top: 28px;
    flex-wrap: wrap;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 20px;
    border: 0;
    border-radius: 999px;
    background: var(--brand);
    color: #fff;
    font-weight: 700;
    box-shadow: 0 10px 25px rgba(31, 122, 140, 0.22);
    cursor: pointer;
}

.button:hover {
    background: var(--brand-dark);
}

.button.secondary {
    background: transparent;
    color: var(--brand-dark);
    border: 1px solid rgba(31, 122, 140, 0.28);
    box-shadow: none;
}

.button.secondary:hover {
    background: rgba(31, 122, 140, 0.08);
}

.hero-points {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-top: 28px;
}

.hero-points div {
    padding: 16px;
    border-radius: 14px;
    background: var(--panel-soft);
    border: 1px solid var(--line);
}

.hero-points strong,
.panel-card strong,
.feature-card h3,
.timeline-step strong {
    display: block;
    margin-bottom: 8px;
}

.hero-points span,
.panel-label,
.feature-card p,
.timeline-step p,
.contact-copy p,
.landing-footer p,
.footer-note {
    color: var(--muted);
    line-height: 1.6;
}

.hero-panel {
    padding: 22px;
    display: grid;
    gap: 18px;
}

.panel-card {
    padding: 18px;
    border-radius: 16px;
    background: linear-gradient(180deg, #fff, #f9fbfd);
    border: 1px solid var(--line);
}

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

.check-list li::before {
    content: '✓';
    color: var(--brand);
    font-weight: 800;
    margin-right: 10px;
}

.panel-label {
    display: block;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 10px;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.section {
    padding: 24px 0;
}

.section-heading {
    margin-bottom: 18px;
}

.section h2,
.contact-copy h2 {
    font-size: clamp(1.65rem, 2.4vw, 2.4rem);
}

.feature-grid,
.screen-grid,
.timeline {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.feature-card,
.screen-card,
.timeline-step {
    padding: 22px;
}

.feature-card h3 {
    margin: 0 0 8px;
    font-size: 1.08rem;
}

.screen-top {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    color: var(--muted);
    margin-bottom: 18px;
    font-size: 0.92rem;
}

.screen-body {
    min-height: 180px;
    display: grid;
    gap: 12px;
    align-content: center;
}

.mock-row,
.mock-bar {
    height: 14px;
    border-radius: 999px;
    background: linear-gradient(90deg, rgba(31, 122, 140, 0.16), rgba(31, 122, 140, 0.05));
}

.mock-row.wide {
    width: 88%;
}

.mock-row.short,
.mock-bar.short {
    width: 62%;
}

.mock-chart {
    min-height: 180px;
    border-radius: 16px;
    background:
        linear-gradient(180deg, rgba(31, 122, 140, 0.12), rgba(31, 122, 140, 0.02)),
        linear-gradient(90deg, transparent 0 19%, rgba(31, 122, 140, 0.16) 19% 21%, transparent 21% 38%, rgba(31, 122, 140, 0.16) 38% 40%, transparent 40% 58%, rgba(31, 122, 140, 0.16) 58% 60%, transparent 60%);
    border: 1px solid var(--line);
}

.timeline-step {
    display: grid;
    gap: 10px;
}

.step-num {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: rgba(31, 122, 140, 0.12);
    color: var(--brand-dark);
    font-weight: 700;
}

.contact-section {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 24px;
    align-items: start;
    padding-bottom: 42px;
}

.contact-form {
    padding: 22px;
    display: grid;
    gap: 14px;
}

.contact-form label {
    display: grid;
    gap: 8px;
    font-size: 0.95rem;
    font-weight: 600;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
    padding: 12px 14px;
    font: inherit;
    color: var(--text);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: 3px solid rgba(31, 122, 140, 0.16);
    border-color: rgba(31, 122, 140, 0.55);
}

.notice {
    padding: 12px 14px;
    border-radius: 12px;
    font-weight: 600;
}

.notice.success {
    background: rgba(34, 197, 94, 0.12);
    color: #166534;
}

.notice.error {
    background: rgba(239, 68, 68, 0.12);
    color: #991b1b;
}

.landing-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 0 0 42px;
}

.landing-footer strong {
    display: block;
    margin-bottom: 6px;
}

@media (max-width: 960px) {
    .hero,
    .contact-section,
    .feature-grid,
    .screen-grid,
    .timeline,
    .hero-points {
        grid-template-columns: 1fr;
    }

    .landing-topbar,
    .landing-footer {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero-copy {
        padding: 28px;
    }
}