/* ================================
   Secvara Landing Page Styles
   Optimized for Google Ads conversions
   ================================ */

/* CSS Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Secvara Brand Colors - Neutral, Professional */
    --color-primary: #2563eb;
    --color-primary-dark: #1e40af;
    --color-secondary: #64748b;
    --color-text: #1e293b;
    --color-text-light: #64748b;
    --color-background: #ffffff;
    --color-background-alt: #f8fafc;
    --color-border: #e2e8f0;
    --color-success: #10b981;

    /* ============================================
       FreeSRA Tool Color Matching
       TODO: Update these colors to match FreeSRA.com when live
       Last synced: Never (FreeSRA.com not yet launched)
       Next review: When FreeSRA.com launches
       ============================================ */
    --freesra-primary: #3b82f6;      /* Placeholder - Update from FreeSRA tool */
    --freesra-secondary: #8b5cf6;    /* Placeholder - Update from FreeSRA tool */
    --freesra-accent: #06b6d4;       /* Placeholder - Update from FreeSRA tool */
    --topline-bg: #1e293b;           /* Dark background for topline */
    --topline-text: #f1f5f9;         /* Light text for topline */

    /* Animation Circle Colors (Light Theme) */
    --circle-1: rgba(59, 130, 246, 0.20);   /* Light blue - 20% visible */
    --circle-2: rgba(139, 92, 246, 0.20);   /* Light purple - 20% visible */
    --circle-3: rgba(6, 182, 212, 0.20);    /* Light cyan - 20% visible */

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;

    /* Spacing */
    --spacing-unit: 8px;
    --container-max-width: 1200px;

    /* Transitions */
    --transition-base: 0.2s ease-in-out;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Text Links - Invisible until hover */
.text-link {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-base);
    border-bottom: 1px solid transparent;
}

.text-link:hover {
    border-bottom: 1px solid currentColor;
}

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 calc(var(--spacing-unit) * 3);
}

/* Typography */
h1, h2, h3 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text);
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
    font-size: 1.25rem;
}

/* Buttons - High-contrast, conversion-optimized */
.btn {
    display: inline-block;
    padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 4);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border-radius: calc(var(--spacing-unit) * 1);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
    box-shadow: 0 4px 6px rgba(37, 99, 235, 0.15);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(37, 99, 235, 0.25);
}

.btn-large {
    padding: calc(var(--spacing-unit) * 2.5) calc(var(--spacing-unit) * 6);
    font-size: 1.125rem;
}

/* ================================
   Topline Branding
   ================================ */
.topline {
    background-color: var(--topline-bg);
    padding: calc(var(--spacing-unit) * 1) 0;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.topline-text {
    color: var(--topline-text);
    font-size: 0.875rem;
    font-weight: 500;
    margin: 0;
    letter-spacing: 0.025em;
}

/* ================================
   Animated Background
   ================================ */
.animation-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
    z-index: 1;
}

.circle {
    position: absolute;
    border-radius: 50%;
    transition: transform 0.1s linear;
    will-change: transform;
}

.circle-1 {
    width: 300px;
    height: 300px;
    background-color: var(--circle-1);
    filter: blur(60px);
}

.circle-2 {
    width: 250px;
    height: 250px;
    background-color: var(--circle-2);
    filter: blur(60px);
}

.circle-3 {
    width: 350px;
    height: 350px;
    background-color: var(--circle-3);
    filter: blur(60px);
}

/* Hero Section */
.hero {
    position: relative;
    padding: calc(var(--spacing-unit) * 10) 0 calc(var(--spacing-unit) * 8);
    text-align: center;
    background: linear-gradient(180deg, var(--color-background-alt) 0%, var(--color-background) 100%);
    overflow: hidden;
}

/* Gradient fade overlay to mask circle edges */
.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 150px;
    background: linear-gradient(to bottom, transparent 0%, var(--color-background) 100%);
    pointer-events: none;
    z-index: 5;
}

.hero-content {
    position: relative;
    z-index: 10;
}

.logo {
    margin-bottom: calc(var(--spacing-unit) * 4);
}

.logo img {
    max-width: 200px;
    height: auto;
}

.logo-text {
    margin-bottom: calc(var(--spacing-unit) * 4);
}

.logo-text p {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-text-light);
    margin: 0;
}

.hero-title {
    margin-bottom: calc(var(--spacing-unit) * 3);
    color: var(--color-text);
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2.5vw, 1.375rem);
    color: var(--color-text-light);
    margin-bottom: calc(var(--spacing-unit) * 5);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-primary {
    margin-bottom: calc(var(--spacing-unit) * 3);
}

.hero-note {
    font-size: 0.875rem;
    color: var(--color-text-light);
    font-style: italic;
}

/* Features Section */
.features {
    padding: calc(var(--spacing-unit) * 10) 0;
    background-color: var(--color-background);
}

.section-title {
    text-align: center;
    margin-bottom: calc(var(--spacing-unit) * 8);
    color: var(--color-text);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: calc(var(--spacing-unit) * 4);
    max-width: 1000px;
    margin: 0 auto;
}

.feature-card {
    padding: calc(var(--spacing-unit) * 4);
    text-align: center;
    background-color: var(--color-background-alt);
    border-radius: calc(var(--spacing-unit) * 2);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
}

.feature-icon {
    color: var(--color-primary);
    margin-bottom: calc(var(--spacing-unit) * 2);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 60px;
}

.feature-title {
    margin-bottom: calc(var(--spacing-unit) * 2);
    color: var(--color-text);
}

.feature-description {
    color: var(--color-text-light);
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* Benefits Section */
.benefits {
    padding: calc(var(--spacing-unit) * 10) 0;
    background-color: var(--color-background-alt);
}

.benefits-content {
    max-width: 800px;
    margin: 0 auto;
}

.benefits-list {
    margin-top: calc(var(--spacing-unit) * 6);
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: calc(var(--spacing-unit) * 2);
    margin-bottom: calc(var(--spacing-unit) * 3);
    font-size: 1.125rem;
    color: var(--color-text);
}

.check-icon {
    flex-shrink: 0;
    color: var(--color-success);
    margin-top: 2px;
}

/* CTA Section */
.cta-section {
    padding: calc(var(--spacing-unit) * 12) 0;
    text-align: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
}

.cta-title {
    color: white;
    margin-bottom: calc(var(--spacing-unit) * 3);
}

.cta-subtitle {
    font-size: 1.25rem;
    margin-bottom: calc(var(--spacing-unit) * 5);
    opacity: 0.95;
}

.cta-section .btn-primary {
    background-color: white;
    color: var(--color-primary);
}

.cta-section .btn-primary:hover {
    background-color: var(--color-background-alt);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

/* Footer */
.footer {
    padding: calc(var(--spacing-unit) * 6) 0;
    text-align: center;
    background-color: var(--color-background-alt);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-light);
    font-size: 0.875rem;
}

.footer-tagline {
    margin-top: calc(var(--spacing-unit) * 1);
    font-style: italic;
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero {
        padding: calc(var(--spacing-unit) * 6) 0 calc(var(--spacing-unit) * 5);
    }

    .features,
    .benefits,
    .cta-section {
        padding: calc(var(--spacing-unit) * 6) 0;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: calc(var(--spacing-unit) * 3);
    }

    .btn {
        width: 100%;
        max-width: 400px;
    }

    .benefit-item {
        font-size: 1rem;
    }
}

/* Performance Optimization */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Print Styles */
@media print {
    .btn {
        display: none;
    }
}