:root {
    --primary: #0e7490;
    --primary-light: #ecfeff;
    --accent: #f59e0b;
    --accent-light: #fffbeb;
    --dark: #1e293b;
    --dark-muted: #475569;
    --white: #ffffff;
    --border: #e2e8f0;
    --success: #10b981;
    --gray100: #f1f5f9;
    --gray400: #94a3b8;
}

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

body {
    font-family: "Inter", system-ui, -apple-system, sans-serif;
    color: var(--dark);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 24px;
}

/* NAV */
.nav {
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}
.nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}
.nav-brand span {
    font-size: 22px;
    font-weight: 700;
    color: var(--dark);
    letter-spacing: -0.02em;
}
.nav-links {
    display: flex;
    gap: 24px;
    align-items: center;
}
.nav-links a {
    font-size: 14px;
    color: var(--dark-muted);
    text-decoration: none;
}
.nav-links a:hover {
    color: var(--primary);
}
.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.hamburger svg {
    display: block;
}

/* HERO */
.hero {
    padding: 80px 0 64px;
    background: linear-gradient(
        180deg,
        var(--white) 0%,
        var(--primary-light) 100%
    );
    text-align: center;
}
.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--accent-light);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    color: #b45309;
    margin-bottom: 24px;
}
.hero h1 {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
}
.hero h1 span {
    color: var(--primary);
}
.hero p {
    font-size: 19px;
    color: var(--dark-muted);
    max-width: 560px;
    margin: 0 auto 36px;
    line-height: 1.6;
}
.hero-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* BUTTONS */
.btn {
    padding: 14px 32px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: opacity 0.2s;
}
.btn:hover {
    opacity: 0.9;
}
.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(14, 116, 144, 0.3);
}
.btn-secondary {
    background: var(--white);
    color: var(--dark);
    border: 1px solid var(--border);
}
.btn-accent {
    background: var(--accent);
    color: var(--white);
}
.btn-white {
    background: var(--white);
    color: var(--primary);
    font-weight: 700;
}
.btn-nav {
    padding: 8px 20px;
    font-size: 14px;
    border-radius: 8px;
}
.btn-full {
    width: 100%;
}

/* BROWSER MOCK */
.browser-mock {
    background: var(--white);
    border-radius: 16px;
    border: 1px solid var(--border);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    margin-top: -20px;
    margin-bottom: 64px;
}
.browser-bar {
    padding: 12px 16px;
    background: var(--gray100);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 8px;
}
.browser-dots {
    display: flex;
    gap: 6px;
}
.browser-dots div {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.browser-url {
    flex: 1;
    background: var(--white);
    border-radius: 6px;
    padding: 6px 12px;
    font-size: 12px;
    color: var(--gray400);
    text-align: center;
}
.portal-grid {
    padding: 24px;
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 20px;
    min-height: 300px;
}
.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}
.sidebar-brand span {
    font-weight: 700;
    font-size: 14px;
}
.sidebar-item {
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 13px;
    color: var(--dark-muted);
    cursor: pointer;
}
.sidebar-item.active {
    font-weight: 600;
    background: var(--primary-light);
    color: var(--primary);
}
.portal-welcome h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
}
.portal-welcome p {
    font-size: 13px;
    color: var(--gray400);
    margin-bottom: 20px;
}
.stat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 12px;
}
.stat-card {
    padding: 16px;
    border-radius: 10px;
    border: 1px solid var(--border);
}
.stat-label {
    font-size: 11px;
    color: var(--gray400);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.stat-value {
    font-size: 22px;
    font-weight: 700;
}
.activity-box {
    margin-top: 16px;
    padding: 16px;
    border-radius: 10px;
    border: 1px solid var(--border);
}
.activity-box h4 {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 12px;
}
.activity-item {
    padding: 8px 0;
    font-size: 13px;
    color: var(--dark-muted);
}
.activity-item + .activity-item {
    border-top: 1px solid var(--gray100);
}

/* FEATURES */
.features {
    padding: 64px 0;
    background: var(--gray100);
}
.section-title {
    text-align: center;
    font-size: 36px;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}
.section-sub {
    text-align: center;
    font-size: 16px;
    color: var(--dark-muted);
    margin-bottom: 48px;
}
.feature-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
}
.feature-card {
    background: var(--white);
    padding: 28px;
    border-radius: 14px;
    border: 1px solid var(--border);
}
.feature-card h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
}
.feature-card p {
    font-size: 14px;
    color: var(--dark-muted);
    line-height: 1.6;
}

/* PRICING */
.pricing {
    padding: 64px 0;
    text-align: center;
}
.pricing-card {
    display: inline-block;
    background: var(--white);
    border-radius: 16px;
    border: 1px solid var(--border);
    padding: 40px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
    max-width: 440px;
    width: 100%;
    text-align: left;
}
.pricing-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 20px;
}
.pricing-boxes {
    display: flex;
    gap: 24px;
    margin-bottom: 28px;
}
.pricing-box {
    flex: 1;
    padding: 16px;
    border-radius: 10px;
    text-align: center;
}
.pricing-box.base {
    background: var(--primary-light);
}
.pricing-box.per-user {
    background: var(--accent-light);
}
.pricing-box .amount {
    font-size: 28px;
    font-weight: 800;
}
.pricing-box.base .amount {
    color: var(--primary);
}
.pricing-box.per-user .amount {
    color: #b45309;
}
.pricing-box .sub {
    font-size: 12px;
    color: var(--dark-muted);
    margin-top: 2px;
}
.pricing-box .note {
    font-size: 11px;
    color: var(--primary);
    margin-top: 2px;
}
.pricing-plus {
    display: flex;
    align-items: center;
    font-size: 20px;
    color: var(--gray400);
    font-weight: 300;
}
.slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}
.slider-header span {
    font-size: 13px;
    color: var(--dark-muted);
}
.user-badge {
    font-size: 15px;
    font-weight: 700;
    background: var(--gray100);
    padding: 4px 12px;
    border-radius: 6px;
    min-width: 44px;
    text-align: center;
}
input[type="range"] {
    width: 100%;
    accent-color: var(--primary);
    cursor: pointer;
}
.slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--gray400);
    margin-top: 4px;
}
.cost-display {
    padding: 16px;
    border-radius: 10px;
    background: var(--gray100);
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 24px 0;
}
.cost-display .label {
    font-size: 14px;
    color: var(--dark-muted);
}
.cost-display .total {
    font-size: 32px;
    font-weight: 800;
}
.cost-display .per-mo {
    font-size: 14px;
    color: var(--gray400);
}
.contact-sales-box {
    padding: 20px;
    border-radius: 10px;
    background: var(--primary-light);
    border: 1px solid rgba(14, 116, 144, 0.2);
    text-align: center;
    margin: 24px 0;
}
.contact-sales-box h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 4px;
}
.contact-sales-box p {
    font-size: 13px;
    color: var(--dark-muted);
    line-height: 1.5;
}
.check-list {
    margin-bottom: 24px;
}
.check-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 0;
    font-size: 14px;
}
.impl-note {
    font-size: 12px;
    color: var(--gray400);
    text-align: center;
    margin-top: 12px;
}

/* CTA BAND */
.cta-band {
    padding: 56px 0;
    background: var(--primary);
    text-align: center;
}
.cta-band h2 {
    font-size: 32px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}
.cta-band p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 28px;
}

/* FOOTER */
.footer {
    padding: 32px 0;
    border-top: 1px solid var(--border);
    text-align: center;
}
.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 8px;
}
.footer-brand span {
    font-weight: 700;
    font-size: 15px;
}
.footer p {
    font-size: 13px;
    color: var(--gray400);
}

/* MODAL */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 24px;
}
.modal-overlay.active {
    display: flex;
}
.modal {
    background: var(--white);
    border-radius: 16px;
    padding: 40px;
    max-width: 480px;
    width: 100%;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}
.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--gray400);
    line-height: 1;
}
.modal h2 {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 4px;
}
.modal .sub {
    font-size: 14px;
    color: var(--dark-muted);
    margin-bottom: 24px;
}
.form-group {
    margin-bottom: 16px;
}
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 6px;
}
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    color: var(--dark);
    background: var(--white);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(14, 116, 144, 0.1);
}
.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

/* DESKTOP: always hide mobile menu */
.mobile-menu {
    display: none;
}

/* MOBILE */
@media (max-width: 768px) {
    .nav-links a:not(.btn) {
        display: none;
    }
    .hamburger {
        display: block;
    }
    .nav-links .btn {
        display: none;
    }

    .mobile-menu.active {
        display: flex;
        flex-direction: column;
        gap: 0;
        padding: 0 24px 16px;
        background: var(--white);
        border-bottom: 1px solid var(--border);
    }
    .mobile-menu a {
        padding: 12px 0;
        font-size: 15px;
        color: var(--dark-muted);
        text-decoration: none;
        border-bottom: 1px solid var(--gray100);
    }
    .mobile-menu .btn {
        margin-top: 8px;
        text-align: center;
    }

    .hero {
        padding: 48px 0 40px;
    }
    .hero h1 {
        font-size: 32px;
    }
    .hero p {
        font-size: 16px;
    }
    .hero-badge {
        font-size: 12px;
    }

    .browser-mock {
        margin-top: -10px;
        margin-bottom: 40px;
    }
    .portal-grid {
        grid-template-columns: 1fr;
        padding: 16px;
    }
    .portal-grid > div:first-child {
        display: none;
    }
    .stat-grid {
        grid-template-columns: 1fr;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }
    .section-title {
        font-size: 28px;
    }

    .pricing-boxes {
        flex-direction: column;
        gap: 12px;
    }
    .pricing-plus {
        justify-content: center;
    }
    .pricing-card {
        padding: 24px;
    }
    .cost-display {
        flex-direction: column;
        gap: 4px;
        text-align: center;
    }

    .cta-band h2 {
        font-size: 24px;
    }

    .modal {
        padding: 24px;
        margin: 16px;
    }
}