/* ===== FloodLens Design System ===== */

:root {
    color-scheme: dark;
    --bg: #07111f;
    --surface: #0d1b2b;
    --surface-hover: #12253a;
    --text: #edf6ff;
    --muted: #91a6bb;
    --accent: #35d5e8;
    --border: rgba(148, 183, 210, 0.16);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    background:
        radial-gradient(
            ellipse at 80% 0%,
            rgba(20, 105, 150, 0.17),
            transparent 45%
        ),
        var(--bg);
    color: var(--text);
    font-family: Inter, "Segoe UI", Arial, sans-serif;
    line-height: 1.6;
}

header {
    min-height: 86px;
    padding: 20px 7%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    border-bottom: 1px solid var(--border);
    background: rgba(7, 17, 31, 0.8);
}

header h1 {
    color: var(--accent);
    font-size: 1.65rem;
    font-weight: 750;
    letter-spacing: -1px;
}

header p {
    color: var(--muted);
    font-size: 0.9rem;
}

main {
    width: min(1200px, 86%);
    margin: 0 auto;
}

#hero {
    padding: 110px 0 120px;
    max-width: 760px;
}

#hero > p:first-child {
    display: inline-block;
    margin-bottom: 24px;
    padding: 7px 12px;
    border: 1px solid rgba(53, 213, 232, 0.28);
    border-radius: 6px;
    background: rgba(53, 213, 232, 0.07);
    color: var(--accent);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 2px;
}

#hero h2 {
    margin-bottom: 22px;
    font-size: clamp(2.8rem, 7vw, 5.2rem);
    font-weight: 750;
    letter-spacing: -3px;
    line-height: 1.08;
}

#hero > p:last-child {
    max-width: 520px;
    color: var(--muted);
    font-size: 1.08rem;
}

@media (max-width: 600px) {
    header {
        padding: 18px 6%;
        align-items: flex-start;
        flex-direction: column;
        gap: 2px;
    }

    main {
        width: 88%;
    }

    #hero {
        padding: 80px 0;
    }

    #hero h2 {
        letter-spacing: -1.5px;
    }
}

/* ===== FloodLens Main Interface ===== */

.hero-section {
    padding: 100px 0 110px;
    max-width: 900px;
}

.hero-section .eyebrow {
    display: inline-block;
    margin-bottom: 26px;
    padding: 7px 12px;
    border: 1px solid rgba(53, 213, 232, 0.28);
    border-radius: 6px;
    background: rgba(53, 213, 232, 0.07);
    color: var(--accent);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 2px;
}

.hero-section h1 {
    margin-bottom: 24px;
    font-size: clamp(3rem, 7vw, 5.6rem);
    line-height: 1.04;
    letter-spacing: -3px;
    font-weight: 800;
}

.hero-section h1 span {
    color: var(--accent);
}

.hero-description {
    max-width: 600px;
    color: var(--muted);
    font-size: 1.08rem;
}

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

.primary-button,
.secondary-button {
    min-height: 48px;
    padding: 12px 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 650;
    transition:
        transform 0.2s ease,
        background 0.2s ease,
        border-color 0.2s ease;
}

.primary-button {
    color: #06131e;
    background: var(--accent);
    border: 1px solid var(--accent);
}

.secondary-button {
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--border);
}

.primary-button:hover,
.secondary-button:hover {
    transform: translateY(-2px);
}

.primary-button:hover {
    background: #75e9f4;
}

.secondary-button:hover {
    border-color: var(--accent);
}

.hero-note {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 38px;
    color: var(--muted);
    font-size: 0.82rem;
}

.note-line {
    width: 30px;
    height: 1px;
    background: var(--accent);
}


/* ===== Content Sections ===== */

.content-section {
    padding: 60px 0 90px;
    scroll-margin-top: 24px;
}

.section-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 28px;
}

.section-label {
    margin-bottom: 10px;
    color: var(--accent);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 1.8px;
}

.section-heading h2 {
    margin-bottom: 10px;
    color: var(--text);
    font-size: clamp(1.8rem, 4vw, 2.7rem);
    letter-spacing: -1px;
}

.section-description {
    max-width: 560px;
    color: var(--muted);
    font-size: 0.95rem;
}

.section-marker,
.panel-tag {
    padding: 7px 10px;
    border: 1px solid var(--border);
    border-radius: 5px;
    color: var(--muted);
    font-size: 0.68rem;
    letter-spacing: 1px;
    white-space: nowrap;
}


/* ===== Monitoring Workspace ===== */

.monitoring-panel {
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--surface);
    box-shadow: 0 20px 70px rgba(0, 0, 0, 0.15);
}

.panel-topbar,
.panel-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 22px;
}

.panel-topbar {
    border-bottom: 1px solid var(--border);
}

.panel-topbar > div {
    display: flex;
    align-items: center;
    gap: 10px;
}

.panel-title {
    color: var(--text);
    font-size: 0.9rem;
    font-weight: 650;
}

.panel-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
}

.map-placeholder {
    position: relative;
    min-height: 380px;
    display: grid;
    place-items: center;
    overflow: hidden;
    background:
        radial-gradient(
            ellipse at 50% 45%,
            rgba(22, 117, 155, 0.17),
            transparent 65%
        ),
        #091726;
}

.map-grid {
    position: absolute;
    inset: 0;
    opacity: 0.35;
    background-image:
        linear-gradient(
            rgba(53, 213, 232, 0.08) 1px,
            transparent 1px
        ),
        linear-gradient(
            90deg,
            rgba(53, 213, 232, 0.08) 1px,
            transparent 1px
        );
    background-size: 38px 38px;
}

.map-message {
    position: relative;
    max-width: 420px;
    padding: 28px;
    text-align: center;
}

.map-icon {
    display: inline-grid;
    place-items: center;
    width: 58px;
    height: 58px;
    margin-bottom: 18px;
    border: 1px solid rgba(53, 213, 232, 0.3);
    border-radius: 16px;
    background: rgba(53, 213, 232, 0.08);
    color: var(--accent);
    font-size: 2rem;
}

.map-message h3 {
    margin-bottom: 10px;
    color: var(--text);
    font-size: 1.25rem;
}

.map-message p {
    color: var(--muted);
    font-size: 0.9rem;
}

.map-caption {
    display: inline-block;
    margin-top: 22px;
    color: var(--accent);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 1.4px;
}

.panel-footer {
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: 0.75rem;
}


/* ===== Risk Analysis ===== */

.risk-section {
    padding-top: 40px;
}

.risk-panel {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 26px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background:
        linear-gradient(
            110deg,
            rgba(53, 213, 232, 0.055),
            transparent 65%
        ),
        var(--surface);
}

.risk-symbol {
    flex-shrink: 0;
    display: grid;
    place-items: center;
    width: 52px;
    height: 52px;
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--accent);
    font-size: 1.6rem;
}

.risk-panel h3 {
    margin-bottom: 7px;
    color: var(--text);
    font-size: 1rem;
}

.risk-panel p {
    max-width: 600px;
    color: var(--muted);
    font-size: 0.88rem;
}

.risk-status {
    margin-left: auto;
    padding: 6px 9px;
    border: 1px solid rgba(255, 174, 91, 0.25);
    border-radius: 5px;
    color: #ffb36b;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.8px;
    white-space: nowrap;
}


/* ===== Footer ===== */

.site-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 18px;
    padding: 28px 0;
    margin-top: 30px;
    border-top: 1px solid var(--border);
}

.footer-brand {
    font-size: 1.25rem;
}

.site-footer > p,
.footer-version {
    color: var(--muted);
    font-size: 0.78rem;
}

.footer-version {
    letter-spacing: 1px;
}


/* ===== Responsive Layout ===== */

@media (max-width: 760px) {
    .hero-section {
        padding: 75px 0 70px;
    }

    .hero-section h1 {
        letter-spacing: -1.5px;
    }

    .section-heading {
        align-items: flex-start;
        flex-direction: column;
    }

    .map-placeholder {
        min-height: 320px;
    }

    .risk-panel {
        align-items: flex-start;
        flex-wrap: wrap;
        padding: 20px;
    }

    .risk-status {
        margin-left: 0;
    }

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

@media (max-width: 480px) {
    .hero-actions {
        align-items: stretch;
        flex-direction: column;
    }

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

    .panel-topbar,
    .panel-footer {
        padding: 15px;
    }

    .panel-footer {
        align-items: flex-start;
        flex-direction: column;
        gap: 5px;
    }

    .map-placeholder {
        min-height: 290px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}