/* ===================================
   Landing page – pre-login marketing
   Uses CSS variables from styles.css
   =================================== */

.landing-body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
}

.landing-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.landing-header {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    background: rgba(10, 15, 26, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
}

[data-theme="light"] .landing-header {
    background: rgba(248, 250, 252, 0.9);
}

.landing-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.125rem;
}

.landing-logo-svg {
    width: 32px;
    height: 32px;
}

.landing-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.landing-nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.landing-nav-link:hover {
    color: var(--text-primary);
}

.landing-cta-nav {
    color: var(--accent-primary);
}

.landing-cta-nav:hover {
    color: var(--accent-secondary);
}

.landing-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    font-size: 0.9375rem;
    font-weight: 600;
    font-family: inherit;
    text-decoration: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
}

.landing-btn:hover {
    transform: translateY(-1px);
}

.landing-btn-primary {
    background: var(--accent-gradient);
    color: white;
    border: none;
    box-shadow: var(--shadow-sm);
}

.landing-btn-primary:hover {
    box-shadow: var(--shadow-glow);
}

.landing-btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.landing-btn-ghost:hover {
    color: var(--text-primary);
    border-color: var(--border-hover);
}

.landing-btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

.landing-theme-toggle {
    margin: 0;
    border: none;
    background: transparent;
}

/* Public header uses same mobile menu as app (mobile-menu, mobile-menu-toggle, etc. from styles.css). */
@media (max-width: 768px) {
    .landing-nav {
        display: none;
    }

    .landing-header .mobile-menu-toggle {
        display: flex;
    }
}

/* Hero */
.landing-hero {
    position: relative;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 1.5rem 5rem;
    overflow: hidden;
}

.landing-hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(6, 182, 212, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 50% 30% at 20% 70%, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

[data-theme="light"] .landing-hero-bg {
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(16, 185, 129, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(5, 150, 105, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse 50% 30% at 20% 70%, rgba(16, 185, 129, 0.06) 0%, transparent 50%);
}

.landing-hero-content {
    position: relative;
    text-align: center;
    max-width: 640px;
}

.landing-hero-badge {
    display: inline-block;
    margin-bottom: 1rem;
    padding: 0.35rem 0.85rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--accent-primary);
    background: rgba(6, 182, 212, 0.12);
    border: 1px solid rgba(6, 182, 212, 0.25);
    border-radius: var(--radius-full);
}

[data-theme="light"] .landing-hero-badge {
    color: var(--accent-primary);
    background: rgba(16, 185, 129, 0.12);
    border-color: rgba(16, 185, 129, 0.25);
}

.landing-hero-title {
    margin: 0 0 1rem;
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.landing-hero-gradient {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.landing-hero-subtitle {
    margin: 0 0 2rem;
    font-size: 1.125rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.landing-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

/* Features */
.landing-features {
    padding: 4rem 1.5rem 5rem;
    background: var(--bg-secondary);
}

.landing-section-inner {
    max-width: 1100px;
    margin: 0 auto;
}

.landing-section-title {
    margin: 0 0 0.5rem;
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 700;
    text-align: center;
    color: var(--text-primary);
}

.landing-section-subtitle {
    margin: 0 0 3rem;
    font-size: 1.125rem;
    text-align: center;
    color: var(--text-secondary);
}

.landing-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.landing-feature-card {
    padding: 1.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.landing-feature-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

/* Feature icons: SVG with gradient color and float animation */
.landing-feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    margin-bottom: 1rem;
    color: var(--accent-primary);
    transition: transform var(--transition-normal);
}

.landing-feature-svg {
    width: 100%;
    height: 100%;
    display: block;
}

/* Subtle float animation */
@keyframes landing-icon-float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-4px);
    }
}

.landing-feature-icon-float {
    animation: landing-icon-float 2.8s ease-in-out infinite;
}

.landing-feature-icon-delay-1 { animation-delay: 0.15s; }
.landing-feature-icon-delay-2 { animation-delay: 0.3s; }
.landing-feature-icon-delay-3 { animation-delay: 0.45s; }
.landing-feature-icon-delay-4 { animation-delay: 0.6s; }
.landing-feature-icon-delay-5 { animation-delay: 0.75s; }

/* On card hover: icon scales up, glow, float pauses */
.landing-feature-card:hover .landing-feature-icon {
    transform: scale(1.1);
    color: var(--accent-secondary);
    filter: drop-shadow(0 0 10px rgba(6, 182, 212, 0.35));
}

[data-theme="light"] .landing-feature-card:hover .landing-feature-icon {
    filter: drop-shadow(0 0 10px rgba(16, 185, 129, 0.4));
}

.landing-feature-card:hover .landing-feature-icon-float {
    animation-play-state: paused;
}

.landing-feature-card h3 {
    margin: 0 0 0.5rem;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.landing-feature-card p {
    margin: 0;
    font-size: 0.9375rem;
    line-height: 1.55;
    color: var(--text-secondary);
}

/* CTA section */
.landing-cta {
    padding: 4rem 1.5rem 5rem;
}

.landing-cta-card {
    max-width: 520px;
    margin: 0 auto;
    padding: 3rem;
    text-align: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.landing-cta-title {
    margin: 0 0 0.75rem;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
}

.landing-cta-text {
    margin: 0 0 1.5rem;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.landing-cta-notification {
    margin-bottom: 1rem;
}

.landing-waitlist-form {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.landing-waitlist-form input[type="email"] {
    flex: 1;
    min-width: 200px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-input);
    color: var(--text-primary);
    font-family: inherit;
}

.landing-waitlist-form input[type="email"]:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(6, 182, 212, 0.2);
}

.landing-waitlist-form .landing-btn {
    flex-shrink: 0;
}

.landing-cta-small {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.landing-cta-small a {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
}

.landing-cta-small a:hover {
    text-decoration: underline;
}

/* Footer */
.landing-footer {
    padding: 1.5rem 1.5rem;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.landing-footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.landing-footer-brand {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.landing-footer-links {
    display: flex;
    gap: 1.5rem;
}

.landing-footer-links a {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-decoration: none;
}

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