/* ═══════════════════════════════════════════════════════
   DeckView AI — Home / Landing Page
   ═══════════════════════════════════════════════════════ */

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-sans);
    margin: 0;
    overflow-x: hidden;
}

/* ── Hero Section ── */
.hero-section {
    position: relative;
    min-height: calc(100vh - 64px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-8) var(--space-6);
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-primary-glow) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -15%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 720px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: var(--color-primary-50);
    color: var(--color-primary-dark);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--space-8);
    border: 1px solid var(--color-primary-100);
}

.hero-badge-dot {
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero-title {
    font-size: var(--text-6xl);
    font-weight: 700;
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
    color: var(--color-text);
    margin: 0 0 var(--space-6) 0;
}

.hero-title-accent {
    background: linear-gradient(135deg, var(--color-primary) 0%, #059669 50%, #0d9488 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: var(--text-xl);
    color: var(--color-text-secondary);
    max-width: 540px;
    margin: 0 auto var(--space-10);
    line-height: var(--leading-relaxed);
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-16);
}

.btn-hero-primary {
    padding: var(--space-4) var(--space-8);
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--text-lg);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    transition: all var(--duration-normal) var(--ease-default);
    box-shadow: 0 4px 14px var(--color-primary-glow);
    cursor: pointer;
}

.btn-hero-primary:hover {
    background: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--color-primary-glow);
    color: white;
}

.btn-hero-primary svg {
    transition: transform var(--duration-fast) var(--ease-default);
}

.btn-hero-primary:hover svg {
    transform: translateX(2px);
}

/* ── How It Works Section ── */
.how-it-works {
    position: relative;
    z-index: 1;
    max-width: var(--max-w-4xl);
    margin: 0 auto;
    padding: 0 var(--space-6) var(--space-20);
}

.section-label {
    text-align: center;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-3);
}

.section-title {
    text-align: center;
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--color-text);
    margin: 0 0 var(--space-12) 0;
    letter-spacing: var(--tracking-tight);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.step-card {
    text-align: center;
    padding: var(--space-8) var(--space-6);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--duration-normal) var(--ease-default);
}

.step-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.step-icon {
    width: 56px;
    height: 56px;
    background: var(--color-primary-50);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-5);
    color: var(--color-primary);
}

.step-number {
    font-size: var(--text-xs);
    font-weight: 700;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-2);
}

.step-title {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-text);
    margin: 0 0 var(--space-3) 0;
}

.step-description {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin: 0;
}

/* ── Footer ── */
.site-footer {
    border-top: 1px solid var(--color-border);
    padding: var(--space-8) var(--space-6);
    text-align: center;
}

.footer-content {
    max-width: var(--max-w-7xl);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-brand {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.footer-links {
    display: flex;
    gap: var(--space-6);
}

.footer-links a {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-default);
}

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

/* ── Mobile ── */
@media (max-width: 768px) {
    .hero-title {
        font-size: var(--text-4xl);
    }

    .hero-subtitle {
        font-size: var(--text-lg);
    }

    .steps-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .btn-hero-primary {
        width: 100%;
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: var(--space-4);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: var(--text-3xl);
    }

    .hero-section {
        padding: var(--space-6) var(--space-4);
    }
}