/**
 * Deep Immersion Theme - Unified Design System
 * Version: 1.0.0
 * Description: Glassmorphism-based dark theme with violet/cyan accents
 *
 * Design Principles:
 * - Glassmorphism (frosted glass effects)
 * - Dark background with glowing accents
 * - Smooth animations and transitions
 * - High contrast for accessibility
 */

/* ============================================
   1. CSS VARIABLES - DESIGN TOKENS
   ============================================ */
:root {
    /* Background Colors */
    --immersion-bg-dark: #050511;
    --immersion-bg-darker: #020208;

    /* Accent Colors */
    --immersion-violet: #7C3AED;
    --immersion-violet-light: #8B5CF6;
    --immersion-cyan: #06B6D4;
    --immersion-cyan-light: #22D3EE;

    /* Text Colors */
    --immersion-text-main: #FFFFFF;
    --immersion-text-muted: #94A3B8;
    --immersion-text-dim: #64748B;

    /* Glass Effects */
    --immersion-glass-bg: rgba(255, 255, 255, 0.05);
    --immersion-glass-border: rgba(255, 255, 255, 0.1);
    --immersion-glass-hover: rgba(255, 255, 255, 0.08);

    /* Effects */
    --immersion-glow-violet: 0 0 20px rgba(124, 58, 237, 0.3);
    --immersion-glow-cyan: 0 0 20px rgba(6, 182, 212, 0.3);
    --immersion-blur: blur(20px);

    /* Spacing & Sizing */
    --immersion-radius: 16px;
    --immersion-radius-sm: 12px;
    --immersion-radius-lg: 24px;

    /* Transitions */
    --immersion-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   2. GLOBAL OVERRIDES
   ============================================ */
body {
    background-color: var(--immersion-bg-dark) !important;
    color: var(--immersion-text-main) !important;
    font-family: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-weight: 400;
    line-height: 1.6;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    background:
        radial-gradient(circle at 20% 30%, rgba(124, 58, 237, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
}

/* Ambient Background */
.ambient-bg {
    background:
        radial-gradient(circle at 20% 30%, rgba(124, 58, 237, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(6, 182, 212, 0.1) 0%, transparent 50%) !important;
    animation: ambientPulse 8s ease-in-out infinite;
}

@keyframes ambientPulse {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 1; }
}

/* ============================================
   3. HEADER / NAVIGATION
   ============================================ */
.header {
    background: rgba(5, 5, 17, 0.8) !important;
    backdrop-filter: var(--immersion-blur);
    border-bottom: 1px solid var(--immersion-glass-border) !important;
}

.header__brand {
    color: var(--immersion-text-main) !important;
}

.header__icon {
    filter: drop-shadow(var(--immersion-glow-cyan));
}

.header__title {
    color: var(--immersion-text-main) !important;
    font-weight: 600;
}

.header__tagline {
    color: var(--immersion-text-muted) !important;
}

/* Navigation Links */
.nav-links a,
.header a {
    color: var(--immersion-text-muted) !important;
    transition: var(--immersion-transition);
}

.nav-links a:hover,
.header a:hover {
    color: var(--immersion-text-main) !important;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

/* ============================================
   4. HERO SECTION
   ============================================ */
.saas-hero-v2,
.hero {
    background: transparent !important;
    color: var(--immersion-text-main) !important;
    min-height: 80vh;
}

.saas-hero-v2__eyebrow {
    color: var(--immersion-cyan) !important;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.85rem;
    font-weight: 600;
}

.saas-hero-v2__headline,
.hero h1,
.hero h2 {
    font-size: clamp(2.5rem, 5vw, 4.5rem) !important;
    font-weight: 300 !important;
    line-height: 1.2 !important;
    background: linear-gradient(to right, #fff, #94A3B8) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text;
    margin-bottom: 1.5rem !important;
}

.saas-hero-v2__description {
    color: var(--immersion-text-muted) !important;
    font-size: 1.15rem !important;
    line-height: 1.8 !important;
    max-width: 600px;
}

/* Feature Badge */
.saas-hero-v2__feature-badge {
    background: var(--immersion-glass-bg) !important;
    border: 1px solid var(--immersion-glass-border) !important;
    border-radius: var(--immersion-radius) !important;
    backdrop-filter: var(--immersion-blur);
    padding: 1.5rem !important;
    transition: var(--immersion-transition);
}

.saas-hero-v2__feature-badge:hover {
    background: var(--immersion-glass-hover) !important;
    border-color: rgba(255, 255, 255, 0.2) !important;
    transform: translateY(-2px);
}

.feature-badge__icon {
    font-size: 2rem;
    filter: drop-shadow(var(--immersion-glow-violet));
}

.feature-badge__title {
    color: var(--immersion-text-main) !important;
    font-weight: 600;
}

.feature-badge__desc {
    color: var(--immersion-text-muted) !important;
}

/* CTA Buttons */
.saas-hero-v2__cta-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.saas-btn,
.cta-btn,
.btn {
    padding: 1rem 2.5rem !important;
    border-radius: 50px !important;
    font-size: 1rem !important;
    font-weight: 600 !important;
    cursor: pointer;
    transition: var(--immersion-transition);
    border: none;
}

.saas-btn--primary,
.btn-primary {
    background: rgba(255, 255, 255, 0.1) !important;
    border: 1px solid var(--immersion-glass-border) !important;
    color: var(--immersion-text-main) !important;
    backdrop-filter: var(--immersion-blur);
    box-shadow: var(--immersion-glow-violet);
}

.saas-btn--primary:hover,
.btn-primary:hover {
    background: rgba(255, 255, 255, 0.2) !important;
    transform: scale(1.05);
    box-shadow: var(--immersion-glow-cyan);
}

.saas-btn--ghost,
.btn-ghost {
    background: transparent !important;
    border: 1px solid var(--immersion-glass-border) !important;
    color: var(--immersion-text-main) !important;
}

.saas-btn--ghost:hover,
.btn-ghost:hover {
    background: var(--immersion-glass-bg) !important;
    border-color: rgba(255, 255, 255, 0.3) !important;
}

/* Trust Bar */
.saas-hero-v2__trust-bar {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.trust-item {
    color: var(--immersion-text-muted) !important;
    font-size: 0.9rem;
}

.trust-item__icon {
    color: var(--immersion-cyan) !important;
}

/* Stats Panel */
.saas-hero-v2__panel {
    background: var(--immersion-glass-bg);
    border: 1px solid var(--immersion-glass-border);
    border-radius: var(--immersion-radius-lg);
    padding: 2rem;
    backdrop-filter: var(--immersion-blur);
}

.stats-grid-v2 {
    display: grid;
    gap: 1.5rem;
}

.stat-card-v2 {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--immersion-glass-border);
    border-radius: var(--immersion-radius);
    padding: 1.5rem;
    text-align: center;
    transition: var(--immersion-transition);
}

.stat-card-v2:hover {
    background: var(--immersion-glass-hover);
    transform: translateY(-3px);
}

.stat-card-v2--highlight {
    border-color: var(--immersion-violet);
    box-shadow: var(--immersion-glow-violet);
}

.stat-card-v2__number {
    font-size: 2.5rem;
    font-weight: 600;
    background: linear-gradient(to right, var(--immersion-violet), var(--immersion-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-card-v2__label {
    color: var(--immersion-text-main);
    font-weight: 600;
    margin: 0.5rem 0;
}

.stat-card-v2__desc {
    color: var(--immersion-text-muted);
    font-size: 0.9rem;
}

/* Feature List */
.feature-list-v2__title {
    color: var(--immersion-text-main) !important;
    font-weight: 600;
    margin-bottom: 1rem;
}

.feature-list-v2__item {
    color: var(--immersion-text-muted) !important;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--immersion-glass-border);
}

.feature-item__icon {
    filter: drop-shadow(0 0 8px rgba(124, 58, 237, 0.5));
}

/* ============================================
   5. GLASS CARDS (Audio Cards)
   ============================================ */
.glass-card {
    background: var(--immersion-glass-bg) !important;
    border: 1px solid var(--immersion-glass-border) !important;
    border-radius: var(--immersion-radius) !important;
    padding: 2rem !important;
    backdrop-filter: var(--immersion-blur);
    transition: var(--immersion-transition);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

/* Shine Effect */
.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.03), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s;
}

.glass-card:hover {
    transform: translateY(-8px) !important;
    border-color: rgba(255, 255, 255, 0.3) !important;
    background: var(--immersion-glass-hover) !important;
    box-shadow: 0 10px 40px -10px rgba(124, 58, 237, 0.4);
}

.glass-card:hover::before {
    transform: translateX(100%);
}

.glass-card .icon {
    filter: drop-shadow(var(--immersion-glow-violet));
    font-size: 2.5rem !important;
}

.card-title,
.glass-card h3 {
    color: var(--immersion-text-main) !important;
    font-size: 1.25rem !important;
    font-weight: 600 !important;
    margin-bottom: 0.5rem !important;
}

.card-desc,
.glass-card p {
    color: var(--immersion-text-muted) !important;
    font-size: 0.9rem !important;
    line-height: 1.6 !important;
}

/* ============================================
   6. FEATURES SECTION
   ============================================ */
.saas-features {
    background: transparent !important;
    padding: 6rem 2rem;
}

.saas-features__container {
    max-width: 1200px;
    margin: 0 auto;
}

.saas-features__eyebrow {
    color: var(--immersion-cyan) !important;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.85rem;
    font-weight: 600;
}

.saas-features__title {
    color: var(--immersion-text-main) !important;
    font-size: clamp(2rem, 4vw, 3rem) !important;
    font-weight: 600 !important;
    margin: 1rem 0 !important;
}

.saas-features__description {
    color: var(--immersion-text-muted) !important;
    font-size: 1.1rem !important;
    line-height: 1.8 !important;
}

/* Feature Showcase Cards */
.feature-showcase {
    background: var(--immersion-glass-bg);
    border: 1px solid var(--immersion-glass-border);
    border-radius: var(--immersion-radius-lg);
    padding: 3rem;
    backdrop-filter: var(--immersion-blur);
    margin-top: 3rem;
}

.feature-showcase--primary {
    border-color: var(--immersion-violet);
    box-shadow: var(--immersion-glow-violet);
}

.feature-showcase__badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--immersion-violet);
    color: white;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.feature-showcase__title {
    color: var(--immersion-text-main) !important;
    font-size: 1.75rem !important;
    font-weight: 600 !important;
    margin-bottom: 1rem !important;
}

.feature-showcase__description {
    color: var(--immersion-text-muted) !important;
    font-size: 1rem !important;
    line-height: 1.8 !important;
    margin-bottom: 1.5rem;
}

.feature-showcase__list {
    list-style: none;
    padding: 0;
}

.feature-showcase__list li {
    color: var(--immersion-text-muted) !important;
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.feature-showcase__list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--immersion-cyan);
    font-weight: bold;
}

.feature-showcase__list strong {
    color: var(--immersion-text-main);
}

/* Feature Demo Visual */
.feature-demo {
    background: var(--immersion-glass-bg);
    border: 1px solid var(--immersion-glass-border);
    border-radius: var(--immersion-radius);
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.timer-display {
    text-align: center;
}

.timer-display__icon {
    font-size: 3rem;
    filter: drop-shadow(var(--immersion-glow-violet));
    margin-bottom: 1rem;
}

.timer-display__time {
    font-size: 3rem;
    font-weight: 600;
    color: var(--immersion-text-main);
    font-variant-numeric: tabular-nums;
}

.timer-display__label {
    color: var(--immersion-text-muted);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* ============================================
   7. SOCIAL PROOF SECTION
   ============================================ */
.saas-social-proof {
    background: transparent !important;
    padding: 6rem 2rem;
}

.saas-social-proof__eyebrow {
    color: var(--immersion-cyan) !important;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.85rem;
    font-weight: 600;
}

.saas-social-proof__title {
    color: var(--immersion-text-main) !important;
    font-size: clamp(2rem, 4vw, 3rem) !important;
    font-weight: 600 !important;
    margin: 1rem 0 !important;
}

.social-proof-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.proof-stat {
    background: var(--immersion-glass-bg);
    border: 1px solid var(--immersion-glass-border);
    border-radius: var(--immersion-radius);
    padding: 2rem;
    text-align: center;
    backdrop-filter: var(--immersion-blur);
    transition: var(--immersion-transition);
}

.proof-stat:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: var(--immersion-glow-violet);
}

.proof-stat__number {
    font-size: 3rem;
    font-weight: 600;
    background: linear-gradient(to right, var(--immersion-violet), var(--immersion-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.proof-stat__label {
    color: var(--immersion-text-muted);
    font-size: 1rem;
    margin-top: 0.5rem;
}

/* ============================================
   8. FAQ SECTION
   ============================================ */
.saas-faq {
    background: transparent !important;
    padding: 6rem 2rem;
}

.saas-faq__eyebrow {
    color: var(--immersion-cyan) !important;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.85rem;
    font-weight: 600;
}

.saas-faq__title {
    color: var(--immersion-text-main) !important;
    font-size: clamp(2rem, 4vw, 3rem) !important;
    font-weight: 600 !important;
    margin: 1rem 0 !important;
}

.faq-grid {
    margin-top: 3rem;
}

.faq-category {
    margin-bottom: 3rem;
}

.faq-category__title {
    color: var(--immersion-text-main) !important;
    font-size: 1.5rem !important;
    font-weight: 600 !important;
    margin-bottom: 1.5rem !important;
}

.faq-item {
    background: var(--immersion-glass-bg);
    border: 1px solid var(--immersion-glass-border);
    border-radius: var(--immersion-radius);
    margin-bottom: 1rem;
    overflow: hidden;
    transition: var(--immersion-transition);
}

.faq-item:hover {
    border-color: rgba(255, 255, 255, 0.3);
}

.faq-item__question {
    width: 100%;
    padding: 1.5rem;
    background: transparent;
    border: none;
    color: var(--immersion-text-main) !important;
    font-size: 1rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-item__question:hover {
    background: var(--immersion-glass-hover);
}

.faq-item__icon {
    color: var(--immersion-cyan);
    font-size: 1.5rem;
    transition: transform 0.3s;
}

.faq-item__question[aria-expanded="true"] .faq-item__icon {
    transform: rotate(45deg);
}

.faq-item__answer {
    padding: 0 1.5rem 1.5rem;
    color: var(--immersion-text-muted) !important;
    line-height: 1.8;
}

/* ============================================
   9. FLOATING AUDIO PLAYER
   ============================================ */
.floating-player,
#audioPlayer {
    position: fixed !important;
    bottom: 2rem !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    width: 90% !important;
    max-width: 600px !important;
    background: rgba(5, 5, 17, 0.9) !important;
    border: 1px solid var(--immersion-glass-border) !important;
    backdrop-filter: var(--immersion-blur);
    border-radius: var(--immersion-radius-lg) !important;
    padding: 1rem 2rem !important;
    display: flex !important;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.8), var(--immersion-glow-violet);
    z-index: 1000 !important;
}

.floating-player.hidden,
#audioPlayer.hidden {
    display: none !important;
}

.player-info {
    display: flex;
    flex-direction: column;
}

.player-title,
#playerTitle {
    font-size: 1rem !important;
    font-weight: 600 !important;
    color: var(--immersion-text-main) !important;
}

.player-sub,
.player-subtitle,
#playerSubtitle {
    font-size: 0.85rem !important;
    color: var(--immersion-text-muted) !important;
}

.player-controls {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.p-btn,
#playPauseBtn,
#prevBtn,
#nextBtn,
#timerBtn {
    background: transparent !important;
    border: none !important;
    color: var(--immersion-text-main) !important;
    cursor: pointer;
    opacity: 0.8;
    transition: var(--immersion-transition);
    padding: 0.5rem;
}

.p-btn:hover,
#playPauseBtn:hover,
#prevBtn:hover,
#nextBtn:hover,
#timerBtn:hover {
    opacity: 1;
    transform: scale(1.1);
}

.play-circle,
#playPauseBtn {
    width: 48px !important;
    height: 48px !important;
    border-radius: 50% !important;
    background: var(--immersion-glass-bg) !important;
    border: 1px solid var(--immersion-glass-border) !important;
    color: var(--immersion-text-main) !important;
    display: flex !important;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.play-circle:hover,
#playPauseBtn:hover {
    background: var(--immersion-glass-hover) !important;
    box-shadow: var(--immersion-glow-cyan);
}

/* ============================================
   10. MODAL / TIMER MODAL
   ============================================ */
.modal,
#timerModal {
    background: rgba(5, 5, 17, 0.95) !important;
    backdrop-filter: blur(10px);
}

.modal .glass-card,
#timerModal .glass-card {
    background: var(--immersion-glass-bg) !important;
    border: 1px solid var(--immersion-glass-border) !important;
    backdrop-filter: var(--immersion-blur);
}

.modal h3,
#timerModal h3 {
    color: var(--immersion-text-main) !important;
}

.timer-opt-btn,
.timer-options button {
    background: var(--immersion-glass-bg) !important;
    border: 1px solid var(--immersion-glass-border) !important;
    color: var(--immersion-text-main) !important;
    border-radius: var(--immersion-radius-sm) !important;
    transition: var(--immersion-transition);
}

.timer-opt-btn:hover,
.timer-options button:hover {
    background: var(--immersion-glass-hover) !important;
    border-color: rgba(255, 255, 255, 0.3) !important;
    transform: translateY(-2px);
}

#closeTimerModal {
    background: var(--immersion-violet) !important;
    color: white !important;
    border: none !important;
}

#closeTimerModal:hover {
    background: var(--immersion-violet-light) !important;
    transform: scale(1.05);
}

/* ============================================
   11. UTILITY CLASSES
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--immersion-bg-darker);
}

::-webkit-scrollbar-thumb {
    background: var(--immersion-glass-border);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Selection */
::selection {
    background: var(--immersion-violet);
    color: white;
}

/* ============================================
   12. RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
    .saas-hero-v2__headline,
    .hero h1 {
        font-size: 2.5rem !important;
    }

    .floating-player,
    #audioPlayer {
        bottom: 1rem !important;
        padding: 1rem !important;
    }

    .player-controls {
        gap: 0.5rem;
    }

    .glass-card {
        padding: 1.5rem !important;
    }
}

/* ============================================
   13. ACCESSIBILITY ENHANCEMENTS
   ============================================ */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Focus Styles */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--immersion-cyan);
    outline-offset: 2px;
}

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