/*
   WATT HUB — Enterprise landing
   Tmavý navy blok (--wh-night*) uvnitř aplikace. Akcenty = významové barvy blesku:
   sky = měřená data, yellow = energie/CTA, lime = úspory, violet = analýza.
*/

:root {
    /* Brand spectrum = WATT HUB bolt tokens (jediný zdroj pravdy) */
    --brand-yellow: var(--wh-bolt-yellow);
    --brand-orange: var(--wh-bolt-orange);
    --brand-red: var(--wh-bolt-red);
    --brand-green: var(--wh-bolt-lime);
    --brand-blue: var(--wh-bolt-sky);
    --brand-purple: var(--wh-bolt-yellow-deep);

    /* Navy base — dark-first sekce (dokumentovaná výjimka) */
    --bg-color: var(--wh-text);
    --bg-surface: rgba(22, 35, 58, 0.72);
    --bg-surface-hover: rgba(34, 51, 82, 0.92);
    --text-primary: var(--wh-night-text);
    --text-secondary: var(--wh-night-text-2);
    --text-tertiary: var(--wh-night-text-3);
    --border-color: rgba(148, 178, 220, 0.16);

    /* Fonts */
    --font-heading: 'Inter', 'Roboto', sans-serif;
    --font-body: 'Inter', 'Roboto', sans-serif;
}

/* Base */
.enterprise-body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-body);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    color-scheme: dark;
}

/* ============================ HERO ============================ */

.enterprise-body .hero-section {
    min-height: 78vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 3rem 2rem;
    position: relative;
    background:
        radial-gradient(ellipse 80% 55% at 50% -10%, rgba(79, 180, 229, 0.14), transparent 65%);
}

.enterprise-body .hero-logo {
    width: 220px;
    height: auto;
    margin-bottom: 1rem;
    filter: drop-shadow(0 6px 24px rgba(0, 0, 0, 0.45));
}

.enterprise-body .hero-motto {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--text-tertiary);
    margin: 0 0 2rem 0;
}

.enterprise-body .hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4.6vw, 3.4rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.12;
    max-width: 820px;
    color: var(--text-primary);
    margin: 0 0 1.25rem 0;
}

.enterprise-body .hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto 2.5rem auto;
    line-height: 1.65;
}

.enterprise-body .hero-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

/* ============================ TLAČÍTKA ============================ */

/* Primární — energie (žlutá) */
.enterprise-body .btn-premium {
    background: var(--brand-yellow);
    color: #0C1626;
    border: none;
    padding: 1rem 2.25rem;
    font-size: 1.05rem;
    font-weight: 700;
    border-radius: 9999px;
    cursor: pointer;
    box-shadow: 0 4px 24px rgba(245, 217, 10, 0.22);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.enterprise-body .btn-premium:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(245, 217, 10, 0.32);
}

.enterprise-body .btn-premium:focus-visible,
.enterprise-body .btn-ghost:focus-visible,
.enterprise-body .card-link:focus-visible {
    outline: 2px solid var(--brand-blue);
    outline-offset: 3px;
}

/* Sekundární — ghost */
.enterprise-body .btn-ghost {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 1rem 2.25rem;
    font-size: 1.05rem;
    font-weight: 600;
    border-radius: 9999px;
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.enterprise-body .btn-ghost:hover {
    border-color: rgba(148, 178, 220, 0.45);
    background: rgba(148, 178, 220, 0.08);
}

/* ============================ SEKCE ============================ */

.enterprise-body .feature-container {
    container-type: inline-size;
    width: 100%;
    max-width: 1200px;
    margin: 3rem auto;
    padding: 0 2rem;
}

.enterprise-body .section-head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 3rem auto;
}

.enterprise-body .section-kicker {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--brand-blue);
    margin: 0 0 0.75rem 0;
}

.enterprise-body .section-head h2 {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin: 0 0 0.75rem 0;
    color: var(--text-primary);
}

.enterprise-body .section-lead {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* ============================ FEATURE KARTY ============================ */

.enterprise-body .feature-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: 1fr;
}

@container (min-width: 700px) {
    .enterprise-body .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@container (min-width: 1050px) {
    .enterprise-body .feature-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.enterprise-body .glass-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 1.75rem;
    transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
    display: flex;
    flex-direction: column;
}

.enterprise-body .glass-card:hover {
    transform: translateY(-4px);
    border-color: rgba(148, 178, 220, 0.34);
    background: var(--bg-surface-hover);
}

.enterprise-body .glass-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin: 0 0 0.75rem 0;
    color: var(--text-primary);
    line-height: 1.3;
}

.enterprise-body .glass-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
    margin: 0 0 1.25rem 0;
    flex: 1;
}

/* Ikona — významový akcent */
.enterprise-body .feature-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.enterprise-body .feature-icon.accent-sky    { color: var(--brand-blue); }
.enterprise-body .feature-icon.accent-yellow { color: var(--brand-yellow); }
.enterprise-body .feature-icon.accent-lime   { color: var(--brand-green); }
.enterprise-body .feature-icon.accent-violet { color: var(--brand-purple); }

/* Odkaz v kartě */
.enterprise-body .card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--brand-blue);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    margin-top: auto;
    transition: gap 0.2s ease;
}

.enterprise-body .card-link:hover {
    gap: 0.65rem;
    text-decoration: underline;
}

.enterprise-body .card-link .mud-icon-root {
    font-size: 1.1rem;
}

/* ============================ SEGMENTY + REÁLNÁ ČÍSLA ============================ */

.enterprise-body .trusted-section {
    text-align: center;
}

.enterprise-body .trusted-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

.enterprise-body .trusted-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-tertiary);
}

.enterprise-body .trusted-item .mud-icon-root {
    color: var(--text-tertiary);
}

.enterprise-body .stat-grid {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-top: 3.5rem;
    flex-wrap: wrap;
}

.enterprise-body .stat {
    min-width: 160px;
}

.enterprise-body .stat-value {
    font-size: clamp(2.2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
    line-height: 1.1;
}

.enterprise-body .stat-value.stat-sky    { color: var(--brand-blue); }
.enterprise-body .stat-value.stat-energy { color: var(--brand-yellow); }
.enterprise-body .stat-value.stat-lime   { color: var(--brand-green); }

.enterprise-body .stat-label {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.95rem;
    margin-top: 0.4rem;
}

/* ============================ CTA PANEL / LEAD ============================ */

.enterprise-body .cta-panel {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 3rem 2rem;
    text-align: center;
    max-width: 760px;
    margin: 0 auto;
}

.enterprise-body .cta-panel h2 {
    font-size: 1.6rem;
    font-weight: 800;
    margin: 0 0 0.75rem 0;
    color: var(--text-primary);
}

.enterprise-body .cta-panel p {
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 520px;
    margin: 0 auto 2rem auto;
}

.enterprise-body .lead-section .lead-form-wrap {
    max-width: 720px;
    margin: 0 auto;
}

.enterprise-body .login-note {
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.95rem;
    margin-top: 2rem;
}

.enterprise-body .login-note a {
    color: var(--brand-blue);
    font-weight: 600;
    text-decoration: none;
}

.enterprise-body .login-note a:hover {
    text-decoration: underline;
}

.enterprise-body .footer-motto {
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.85rem;
    letter-spacing: 0.12em;
    padding: 1rem 0 3rem 0;
    margin: 0;
}

/* ============================ SCROLL REVEAL + MOTION ============================ */

@supports (animation-timeline: view()) {
    .enterprise-body .scroll-reveal {
        opacity: 0;
        transform: translateY(40px);
        animation: reveal linear both;
        animation-timeline: view();
        animation-range: entry 10% cover 30%;
    }
}

@keyframes reveal {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .enterprise-body .scroll-reveal {
        animation: none;
        opacity: 1;
        transform: none;
    }

    .enterprise-body .glass-card,
    .enterprise-body .btn-premium,
    .enterprise-body .btn-ghost,
    .enterprise-body .card-link {
        transition: none;
    }
}