/* ========================================
   LANDING PAGE STYLES - ThetaMetrics
   ======================================== */

.landing-page {
    min-height: 100vh;
    background: linear-gradient(135deg, #0d7377 0%, #14919b 50%, #0f766e 100%);
    position: relative;
    overflow: hidden;
}

/* Decorative Background Elements */
.landing-page::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 80%;
    height: 150%;
    background: radial-gradient(ellipse, rgba(163, 230, 53, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.landing-page::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -20%;
    width: 60%;
    height: 80%;
    background: radial-gradient(ellipse, rgba(20, 184, 166, 0.15) 0%, transparent 60%);
    pointer-events: none;
}

/* ---- Header ---- */
.landing-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-5) var(--spacing-8);
    position: relative;
    z-index: 10;
}

.landing-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: white;
}

.landing-logo-icon {
    width: 36px;
    height: 36px;
    background: var(--color-accent-400);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.landing-logo-icon svg {
    width: 20px;
    height: 20px;
    color: var(--color-teal-900);
}

.landing-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.landing-nav-link {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-2) var(--spacing-4);
    transition: color var(--transition-fast);
}

.landing-nav-link:hover {
    color: white;
}

.landing-nav .btn-outline-light {
    border-radius: var(--radius-md);
    padding: var(--spacing-2) var(--spacing-5);
}

/* ---- Hero Section ---- */
.landing-hero {
    text-align: center;
    padding: var(--spacing-16) var(--spacing-8) var(--spacing-12);
    position: relative;
    z-index: 5;
    max-width: 900px;
    margin: 0 auto;
}

.landing-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-6);
    animation: slideUp 0.6s ease-out;
}

.landing-hero h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: var(--font-weight-bold);
    color: white;
    line-height: 1.2;
    margin-bottom: var(--spacing-6);
    animation: slideUp 0.6s ease-out 0.1s both;
}

.landing-hero h1 em {
    font-style: italic;
    color: var(--color-accent-300);
}

.landing-hero-subtitle {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    margin: 0 auto var(--spacing-8);
    line-height: var(--line-height-relaxed);
    animation: slideUp 0.6s ease-out 0.2s both;
}

.landing-hero-cta {
    animation: slideUp 0.6s ease-out 0.3s both;
}

.landing-hero-cta .btn {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-base);
    border-radius: var(--radius-full);
    background: var(--color-dark-900);
    color: white;
    border: 1px solid var(--color-dark-700);
}

.landing-hero-cta .btn:hover {
    background: var(--color-dark-800);
    transform: translateY(-3px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.landing-hero-cta .btn svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-base);
}

.landing-hero-cta .btn:hover svg {
    transform: translateX(4px);
}

/* ---- Features Section ---- */
.landing-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-6);
    padding: var(--spacing-8);
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
    z-index: 5;
}

.landing-feature-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-8);
    transition: all var(--transition-slow);
    animation: slideUp 0.6s ease-out calc(0.4s + var(--delay, 0s)) both;
}

.landing-feature-card:nth-child(1) {
    --delay: 0s;
}

.landing-feature-card:nth-child(2) {
    --delay: 0.1s;
}

.landing-feature-card:nth-child(3) {
    --delay: 0.2s;
}

.landing-feature-card:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-8px);
}

.landing-feature-icon {
    width: 48px;
    height: 48px;
    background: rgba(163, 230, 53, 0.2);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-5);
}

.landing-feature-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-accent-300);
}

.landing-feature-card h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: white;
    margin-bottom: var(--spacing-3);
}

.landing-feature-card p {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    line-height: var(--line-height-relaxed);
    margin-bottom: 0;
}

/* ---- CTA Section (Footer) ---- */
.landing-cta {
    background: var(--color-dark-900);
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
    margin-top: var(--spacing-16);
    padding: var(--spacing-16) var(--spacing-8);
    text-align: center;
    position: relative;
    z-index: 5;
}

.landing-cta h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    color: white;
    margin-bottom: var(--spacing-4);
}

.landing-cta p {
    font-size: var(--font-size-base);
    color: var(--color-dark-400);
    max-width: 500px;
    margin: 0 auto var(--spacing-8);
}

.landing-cta .btn-primary {
    border-radius: var(--radius-md);
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .landing-header {
        padding: var(--spacing-4);
    }

    .landing-nav-link {
        display: none;
    }

    .landing-hero {
        padding: var(--spacing-10) var(--spacing-4) var(--spacing-8);
    }

    .landing-features {
        padding: var(--spacing-4);
        grid-template-columns: 1fr;
    }

    .landing-cta {
        padding: var(--spacing-12) var(--spacing-4);
    }
}