/**
 * SEO-Optimized Dark Mode Landing Page Styles
 * AnonMsg - Anonymous Messaging Platform
 * 
 * Color Palette:
 * - Background: #070B14 (deep navy)
 * - Cards: #111827 (dark charcoal)
 * - Borders: #1F2937
 * - Yellow Accent: #FBBF24, #FACC15
 * - Green Trust: #10B981
 * - Purple/Blue: #8B5CF6, #3B82F6
 */

/* ================================
   CSS CUSTOM PROPERTIES (VARIABLES)
   ================================ */
:root {
    /* Colors - Background */
    --color-bg-primary: #070B14;
    --color-bg-secondary: #0F1419;
    --color-card-bg: #111827;
    --color-card-border: #1F2937;
    
    /* Colors - Accents */
    --color-accent-yellow: #FBBF24;
    --color-accent-yellow-bright: #FACC15;
    --color-accent-green: #10B981;
    --color-accent-purple: #8B5CF6;
    --color-accent-blue: #3B82F6;
    
    /* Colors - Text */
    --color-text-primary: #F9FAFB;
    --color-text-secondary: #D1D5DB;
    --color-text-muted: #9CA3AF;
    --color-text-dark: #1F2937;
    
    /* Typography */
    --font-family-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 0.875rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    
    /* Spacing (8pt grid system) */
    --spacing-1: 8px;
    --spacing-2: 16px;
    --spacing-3: 24px;
    --spacing-4: 32px;
    --spacing-5: 40px;
    --spacing-6: 48px;
    --spacing-8: 64px;
    --spacing-10: 80px;
    --spacing-12: 96px;
    --spacing-16: 128px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
    --shadow-glow-yellow: 0 0 20px rgba(251, 191, 36, 0.3);
    --shadow-glow-purple: 0 0 30px rgba(139, 92, 246, 0.2);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
    
    /* Layout */
    --container-max-width: 1200px;
    --grid-gap: var(--spacing-3);
}

/* ================================
   RESET & BASE STYLES
   ================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body.landing-page {
    font-family: var(--font-family-sans);
    background: var(--color-bg-primary);
    background: linear-gradient(180deg, var(--color-bg-primary) 0%, #0A0E1A 50%, var(--color-bg-primary) 100%);
    color: var(--color-text-primary);
    line-height: var(--line-height-normal);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

@media (min-width: 768px) {
    .landing-container {
        padding: 0 var(--spacing-4);
    }
}

/* ================================
   HEADER & NAVIGATION
   ================================ */
.landing-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(7, 11, 20, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-card-border);
    transition: all var(--transition-base);
}

.landing-header.scrolled {
    background: rgba(7, 11, 20, 0.95);
    box-shadow: var(--shadow-lg);
}

.landing-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-2) 0;
}

.landing-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    text-decoration: none;
    transition: transform var(--transition-fast);
}

.landing-logo:hover {
    transform: scale(1.05);
}

.landing-logo-icon {
    width: 32px;
    height: 32px;
    background: var(--color-accent-yellow);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    color: var(--color-text-dark);
}

.landing-nav-links {
    display: none;
    gap: var(--spacing-4);
    list-style: none;
}

@media (min-width: 834px) {
    .landing-nav-links {
        display: flex;
    }
}

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

.landing-nav-link:hover {
    color: var(--color-accent-yellow);
}

.nav-brand {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: none;
    list-style: none;
    gap: var(--spacing-4);
}

@media (min-width: 834px) {
    .nav-menu {
        display: flex;
    }
}

.nav-menu a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-fast);
}

.nav-menu a:hover {
    color: var(--color-accent-yellow);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}
    position: relative;
}

.landing-nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent-yellow);
    transition: width var(--transition-base);
}

.landing-nav-link:hover {
    color: var(--color-accent-yellow);
}

.landing-nav-link:hover::after {
    width: 100%;
}

.landing-nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

/* Mobile menu toggle */
.landing-menu-toggle {
    display: block;
    background: none;
    border: none;
    color: var(--color-text-primary);
    font-size: var(--font-size-2xl);
    cursor: pointer;
    padding: var(--spacing-1);
}

@media (min-width: 834px) {
    .landing-menu-toggle {
        display: none;
    }
}

/* ================================
   BUTTONS
   ================================ */
.btn-landing {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-1);
    padding: 12px 24px;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
    white-space: nowrap;
}

.btn-landing-primary {
    background: var(--color-accent-yellow);
    color: var(--color-text-dark);
    box-shadow: var(--shadow-glow-yellow);
}

.btn-landing-primary:hover {
    background: var(--color-accent-yellow-bright);
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(251, 191, 36, 0.5);
}

.btn-landing-secondary {
    background: transparent;
    color: var(--color-text-primary);
    border-color: var(--color-card-border);
}

.btn-landing-secondary:hover {
    border-color: var(--color-accent-yellow);
    color: var(--color-accent-yellow);
    background: rgba(251, 191, 36, 0.1);
}

.btn-landing-lg {
    padding: 16px 32px;
    font-size: var(--font-size-lg);
}

.btn-landing-sm {
    padding: 8px 16px;
    font-size: var(--font-size-sm);
}

/* ================================
   SECTIONS SPACING
   ================================ */
.landing-section {
    padding: var(--spacing-10) 0;
}

@media (min-width: 834px) {
    .landing-section {
        padding: var(--spacing-12) 0;
    }
}

/* Fade-in animation class */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Continue in next section... */
/* Button Styles (used in Blade templates) */
.btn-primary {
    background: #FBBF24;
    color: #070B14;
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    box-shadow: 0 0 20px rgba(251, 191, 36, 0.3);
}

.btn-primary:hover {
    background: #FACC15;
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(251, 191, 36, 0.5);
    color: #070B14;
}

.btn-secondary {
    background: transparent;
    color: #F9FAFB;
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
    border: 1px solid #1F2937;
}

.btn-secondary:hover {
    border-color: #FBBF24;
    color: #FBBF24;
    background: rgba(251, 191, 36, 0.1);
}

.mobile-menu-toggle {
    background: none;
    border: none;
    color: #F9FAFB;
    font-size: 24px;
    cursor: pointer;
    padding: 8px;
    display: block;
}

@media (min-width: 834px) {
    .mobile-menu-toggle {
        display: none;
    }
}

/* Feature Card Hover Effect */
.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(251, 191, 36, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* Section Spacing */
.landing-section {
    padding: 80px 0;
}

@media (max-width: 834px) {
    .landing-section {
        padding: 48px 0;
    }
}

/* Responsive adjustments */
@media (max-width: 833px) {
    /* Always render nav-menu, just slide it off-screen on mobile */
    .nav-menu {
        display: flex !important;
        position: fixed;
        top: 65px;
        left: -100%;
        width: 100%;
        background: rgba(7, 11, 20, 0.98);
        flex-direction: column;
        padding: 24px 20px 32px;
        transition: left 0.3s ease;
        border-bottom: 1px solid #1F2937;
        z-index: 999;
        gap: 0 !important;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu > li:not(.nav-mobile-auth) {
        padding: 10px 0;
        border-bottom: 1px solid rgba(255,255,255,0.06);
    }

    /* Mobile auth block inside the drawer */
    .nav-mobile-auth {
        display: flex;
        flex-direction: column;
        gap: 10px;
        padding-top: 16px;
        margin-top: 8px;
        border-top: 1px solid rgba(255,255,255,0.12) !important;
        border-bottom: none !important;
        list-style: none;
    }
    .nav-mobile-auth a {
        width: 100%;
        justify-content: center;
        text-align: center;
    }

    /* Only show hamburger in nav-actions on mobile */
    .nav-desktop-auth {
        display: none;
    }
    .nav-actions {
        flex-direction: row;
        width: auto;
        gap: 0;
    }
}

@media (min-width: 834px) {
    .nav-desktop-auth {
        display: flex;
        align-items: center;
        gap: 12px;
    }
    .nav-mobile-auth {
        display: none !important;
    }
}

/* Footer link hover */
footer a:hover {
    color: #FBBF24 !important;
}