/* ==========================================
   RESET & BASE STYLES
   ========================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light: #3b82f6;
    --color-secondary: #10b981;
    --color-accent: #0ea5e9;
    --color-dark: #0f172a;
    --color-dark-light: #1e293b;
    --color-gray: #64748b;
    --color-gray-light: #cbd5e1;
    --color-gray-lighter: #f1f5f9;
    --color-white: #ffffff;
    --color-success: #10b981;
    --color-error: #ef4444;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    --gradient-secondary: linear-gradient(135deg, #06b6d4 0%, #0ea5e9 100%);
    --gradient-accent: linear-gradient(135deg, #60a5fa 0%, #3b82f6 100%);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    --font-size-base: 16px;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

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

body {
    font-family: var(--font-family);
    color: var(--color-dark);
    line-height: 1.6;
    overflow-x: hidden;
    background: var(--color-white);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-base);
}

ul {
    list-style: none;
}

/* ==========================================
   LAYOUT
   ========================================== */

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

/* ==========================================
   NAVIGATION
   ========================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 700;
    font-size: 1.25rem;
}

.logo img {
    height: 40px;
    width: auto;
}

.logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-links a {
    font-weight: 500;
    color: var(--color-dark);
    transition: color var(--transition-base);
}

.nav-links a:hover {
    color: var(--color-primary);
}

.btn-nav {
    background: var(--gradient-primary);
    color: white !important;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-lg);
    font-weight: 600;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.btn-nav:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--color-dark);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    padding: var(--spacing-md);
    flex-direction: column;
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

.mobile-menu a {
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: background var(--transition-base);
}

.mobile-menu a:hover {
    background: var(--color-gray-lighter);
}

/* ==========================================
   BUTTONS
   ========================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    text-align: center;
    justify-content: center;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-outline {
    background: transparent;
    color: var(--color-dark);
    border: 2px solid var(--color-gray-light);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* ==========================================
   HERO SECTION
   ========================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: calc(72px + var(--spacing-md));
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('images/hero4.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: -2;
}

.hero-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 41, 59, 0.9) 100%);
    z-index: 1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-left {
    color: var(--color-white);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

.title-gradient {
    display: block;
    background: linear-gradient(135deg, #a78bfa 0%, #ec4899 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-main {
    display: block;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: var(--color-gray-light);
    margin-bottom: var(--spacing-md);
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-gray-light);
}

/* ==========================================
   PHONE MOCKUP
   ========================================== */

.phone-mockup {
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1000px;
}

.phone-frame {
    width: 320px;
    height: 650px;
    background: linear-gradient(145deg, #1e293b, #0f172a);
    border-radius: 3rem;
    padding: 1rem;
    box-shadow: 
        0 50px 100px -20px rgba(0, 0, 0, 0.5),
        0 30px 60px -30px rgba(99, 102, 241, 0.3);
    position: relative;
    transform: rotateY(-5deg) rotateX(5deg);
    transition: transform var(--transition-slow);
}

.phone-frame:hover {
    transform: rotateY(0deg) rotateX(0deg);
}

.phone-notch {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 30px;
    background: #0f172a;
    border-radius: 0 0 1rem 1rem;
    z-index: 2;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--color-white);
    border-radius: 2.5rem;
    overflow: hidden;
    position: relative;
}

/* App Bar Styles */
.phone-app-bar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 48px;
    background: var(--color-primary-dark);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-sm);
    padding-top: 16px;
    z-index: 10;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.app-bar-room-chip {
    background: var(--color-white);
    color: var(--color-primary-dark);
    padding: 4px 10px;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.app-bar-logout {
    background: transparent;
    color: var(--color-white);
    border: 1.5px solid var(--color-white);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.625rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-base);
    letter-spacing: 0.05em;
}

.app-bar-logout:hover {
    background: var(--color-white);
    color: var(--color-primary-dark);
}

.screen-content {
    position: absolute;
    top: 48px;
    left: 0;
    right: 0;
    bottom: 0;
    padding: var(--spacing-md);
    background: var(--color-white);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.screen-content.active {
    opacity: 1;
    visibility: visible;
}

/* Question Screen Styles */
.screen-question {
    display: flex;
    flex-direction: column;
    padding-top: var(--spacing-sm);
}

.screen-quiz-title {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 3px solid var(--color-primary);
}

.screen-quiz-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    flex: 1;
    justify-content: center;
    padding: var(--spacing-md) 0;
}

.quiz-question-label {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.quiz-input {
    width: 100%;
    padding: var(--spacing-md);
    font-size: 1.5rem;
    font-weight: 600;
    text-align: center;
    border: 2px solid var(--color-gray-light);
    border-radius: var(--radius-md);
    background: var(--color-white);
    color: var(--color-dark);
    font-family: var(--font-family);
    transition: all var(--transition-base);
}

.quiz-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.quiz-submit-btn {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--gradient-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.quiz-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.quiz-submit-btn.submitting {
    animation: submitPulse 0.6s ease;
}

@keyframes submitPulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(0.95);
        background: var(--gradient-secondary);
    }
}

/* Marking Screen Styles */
.screen-marking {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding-top: var(--spacing-sm);
}

.marking-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-dark);
    text-align: center;
    margin-bottom: var(--spacing-xs);
}

.marking-results {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.marking-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-white);
    border: 2px solid var(--color-gray-light);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    opacity: 0.5;
}

.marking-item.marked-correct {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--color-success);
    opacity: 1;
}

.marking-item.marked-incorrect {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--color-error);
    opacity: 1;
}

.answer-text {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-dark);
}

.answer-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
}

.marking-item.marked-correct .answer-icon::before {
    content: '✓';
    color: var(--color-success);
}

.marking-item.marked-incorrect .answer-icon::before {
    content: '✗';
    color: var(--color-error);
}

@keyframes markAnswer {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

/* Scoreboard Screen Styles */
.screen-scoreboard {
    display: flex;
    flex-direction: column;
    padding-top: var(--spacing-sm);
}

.scoreboard-title {
    text-align: center;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--color-primary);
}

.scoreboard-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.scoreboard-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    background: var(--color-white);
    border: 1px solid var(--color-gray-light);
    border-radius: 4px;
    transition: all var(--transition-base);
}

.scoreboard-item.current-user {
    background: rgba(37, 99, 235, 0.1);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.1);
}

.score-rank {
    width: 20px;
    height: 20px;
    background: var(--gradient-primary);
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-weight: 700;
    font-size: 0.75rem;
    flex-shrink: 0;
}

.scoreboard-item.current-user .score-rank {
    background: var(--gradient-primary);
    box-shadow: 0 1px 4px rgba(37, 99, 235, 0.3);
}

.score-name {
    flex: 1;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-dark);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.scoreboard-item.current-user .score-name {
    font-weight: 700;
    color: var(--color-primary);
}

.score-points {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-gray);
    flex-shrink: 0;
}

.scoreboard-item.current-user .score-points {
    color: var(--color-primary);
}

@keyframes slideInScore {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-scroll {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-white);
    font-size: 0.875rem;
    opacity: 0.7;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

/* ==========================================
   INTRO SECTION
   ========================================== */

.intro {
    background: var(--color-gray-lighter);
}

.intro-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.intro-card {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.intro-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.intro-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.intro-icon svg {
    stroke: var(--color-white);
}

.intro-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

.intro-card p {
    color: var(--color-gray);
    line-height: 1.7;
}

/* ==========================================
   SECTION HEADERS
   ========================================== */

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-badge {
    display: inline-block;
    background: rgba(99, 102, 241, 0.1);
    color: var(--color-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================
   FEATURES SECTION
   ========================================== */

.features {
    background: linear-gradient(180deg, var(--color-white) 0%, var(--color-gray-lighter) 50%, var(--color-white) 100%);
    position: relative;
    overflow: hidden;
}

.features::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.features::after {
    content: '';
    position: absolute;
    bottom: -30%;
    right: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.feature-card {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    border: 2px solid transparent;
    background-clip: padding-box;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: var(--radius-xl);
    padding: 2px;
    background: linear-gradient(135deg, transparent 0%, rgba(99, 102, 241, 0.2) 50%, transparent 100%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.feature-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-slow);
    pointer-events: none;
}

.feature-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 
        0 20px 25px -5px rgba(99, 102, 241, 0.15),
        0 10px 10px -5px rgba(99, 102, 241, 0.08);
    border-color: rgba(99, 102, 241, 0.2);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card:hover::after {
    opacity: 1;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 
        0 10px 20px rgba(99, 102, 241, 0.3),
        0 0 40px rgba(99, 102, 241, 0.2);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    position: relative;
    transition: all var(--transition-base);
    box-shadow: 
        0 10px 15px -3px rgba(99, 102, 241, 0.2),
        0 4px 6px -2px rgba(99, 102, 241, 0.1);
}

.feature-icon::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: calc(var(--radius-lg) + 2px);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.4) 0%, transparent 50%, rgba(255, 255, 255, 0.2) 100%);
    opacity: 0.5;
    pointer-events: none;
}

.feature-icon svg {
    stroke: var(--color-white);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
    transition: transform var(--transition-base);
    position: relative;
    z-index: 1;
}

.feature-card:hover .feature-icon svg {
    transform: scale(1.1);
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
    position: relative;
    transition: color var(--transition-base);
}

.feature-card:hover h3 {
    color: var(--color-primary);
}

.feature-card p {
    color: var(--color-gray);
    line-height: 1.7;
    position: relative;
    transition: color var(--transition-base);
}

.feature-card:hover p {
    color: var(--color-dark);
}

/* ==========================================
   PRICING SECTION
   ========================================== */

.pricing {
    background: linear-gradient(180deg, var(--color-gray-lighter) 0%, var(--color-white) 100%);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    border: 2px solid var(--color-gray-light);
    transition: all var(--transition-base);
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--color-primary);
}

.pricing-card-featured {
    background: linear-gradient(145deg, #f8f9ff, var(--color-white));
    border: 2px solid var(--color-primary);
    transform: scale(1.05);
}

.pricing-card-featured:hover {
    transform: scale(1.05) translateY(-8px);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 600;
    box-shadow: var(--shadow-md);
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-gray-light);
}

.pricing-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-dark);
}

.price {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 4px;
}

.currency {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gray);
}

.amount {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.period {
    font-size: 1rem;
    color: var(--color-gray);
    align-self: flex-end;
    padding-bottom: 0.5rem;
}

.pricing-features {
    flex: 1;
    margin-bottom: var(--spacing-md);
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    color: var(--color-dark);
}

.pricing-features svg {
    stroke: var(--color-primary);
    flex-shrink: 0;
}

.pricing-card .btn {
    width: 100%;
}

/* ==========================================
   ENTERPRISE SECTION
   ========================================== */

.enterprise {
    background: var(--color-dark);
    color: var(--color-white);
}

.enterprise-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.enterprise-left .section-badge {
    background: rgba(99, 102, 241, 0.2);
    color: var(--color-primary-light);
}

.enterprise-left h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.enterprise-left p {
    color: var(--color-gray-light);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.enterprise-features {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.enterprise-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    font-size: 1.125rem;
}

.enterprise-features svg {
    stroke: var(--color-secondary);
    flex-shrink: 0;
}

/* Monitor Mockup */
.monitor-mockup {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    perspective: 1500px;
    padding: var(--spacing-md);
}

.monitor-frame {
    width: 420px;
    height: 280px;
    background: linear-gradient(145deg, #2d3748, #1a202c);
    border-radius: 12px;
    padding: 14px;
    box-shadow: 
        0 50px 100px -20px rgba(0, 0, 0, 0.6),
        0 30px 60px -30px rgba(99, 102, 241, 0.4);
    position: relative;
    transform: rotateY(-8deg) rotateX(5deg);
    transition: transform var(--transition-slow);
}

.monitor-frame:hover {
    transform: rotateY(-3deg) rotateX(2deg);
}

.monitor-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.1);
}

.dashboard-header {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.dashboard-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
}

.logo-icon {
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 4px;
    opacity: 0.95;
}

.dashboard-stats {
    display: flex;
    gap: 6px;
}

.stat-pill {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.65rem;
    font-weight: 600;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.dashboard-content {
    padding: 12px;
    height: calc(100% - 44px);
    overflow: hidden;
}

.dashboard-section-title {
    font-size: 0.65rem;
    font-weight: 700;
    color: #475569;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.venue-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 12px;
}

.venue-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    background: white;
    border-radius: 6px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.venue-icon {
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    border-radius: 4px;
    flex-shrink: 0;
}

.venue-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.venue-name {
    height: 8px;
    width: 80%;
    background: linear-gradient(90deg, #cbd5e1 0%, #e2e8f0 100%);
    border-radius: 2px;
}

.venue-details {
    height: 5px;
    width: 50%;
    background: linear-gradient(90deg, #e2e8f0 0%, #f1f5f9 100%);
    border-radius: 2px;
}

.venue-status {
    width: 8px;
    height: 8px;
    background: #cbd5e1;
    border-radius: 50%;
    flex-shrink: 0;
}

.venue-status.active {
    background: #10b981;
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.4);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.6;
    }
}

.chart-area {
    display: flex;
    align-items: flex-end;
    gap: 6px;
    height: 60px;
    padding: 8px;
    background: white;
    border-radius: 6px;
    border: 1px solid #e2e8f0;
}

.chart-bar {
    flex: 1;
    background: linear-gradient(180deg, #3b82f6 0%, #2563eb 100%);
    border-radius: 3px 3px 0 0;
    min-height: 20%;
    animation: growBar 1.5s ease-out;
    box-shadow: 0 2px 4px rgba(37, 99, 235, 0.2);
}

@keyframes growBar {
    from {
        transform: scaleY(0);
    }
    to {
        transform: scaleY(1);
    }
}

.chart-bar:nth-child(1) { animation-delay: 0.1s; }
.chart-bar:nth-child(2) { animation-delay: 0.2s; }
.chart-bar:nth-child(3) { animation-delay: 0.3s; }
.chart-bar:nth-child(4) { animation-delay: 0.4s; }
.chart-bar:nth-child(5) { animation-delay: 0.5s; }
.chart-bar:nth-child(6) { animation-delay: 0.6s; }

.monitor-stand {
    width: 60px;
    height: 30px;
    background: linear-gradient(180deg, #2d3748 0%, #1a202c 100%);
    margin-top: -2px;
    position: relative;
    clip-path: polygon(30% 0%, 70% 0%, 100% 100%, 0% 100%);
}

.monitor-base {
    width: 140px;
    height: 8px;
    background: linear-gradient(180deg, #2d3748 0%, #1a202c 100%);
    border-radius: 4px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

/* ==========================================
   TESTIMONIALS SECTION
   ========================================== */

.testimonials {
    background: linear-gradient(180deg, var(--color-white) 0%, var(--color-gray-lighter) 100%);
    padding: var(--spacing-xl) 0;
}

.testimonials-carousel-wrapper {
    position: relative;
    perspective: 2000px;
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-xl);
}

.testimonials-carousel {
    position: relative;
    overflow: visible;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.testimonial-card {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotateY(-8deg) rotateX(3deg);
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 2px solid var(--color-gray-light);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-width: 700px;
    width: 90%;
    opacity: 0;
    visibility: hidden;
    box-shadow: 
        0 25px 50px -12px rgba(0, 0, 0, 0.25),
        0 0 0 1px rgba(0, 0, 0, 0.05);
}

.testimonial-card.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) rotateY(-8deg) rotateX(3deg) scale(1);
    z-index: 2;
}

.testimonial-card.prev {
    opacity: 0.3;
    visibility: visible;
    transform: translate(-130%, -50%) rotateY(-25deg) rotateX(3deg) scale(0.8);
    z-index: 1;
}

.testimonial-card.next {
    opacity: 0.3;
    visibility: visible;
    transform: translate(30%, -50%) rotateY(25deg) rotateX(3deg) scale(0.8);
    z-index: 1;
}

.testimonial-card:hover.active {
    transform: translate(-50%, -50%) rotateY(0deg) rotateX(0deg) scale(1.02);
    box-shadow: 
        0 30px 60px -15px rgba(37, 99, 235, 0.3),
        0 0 0 1px rgba(37, 99, 235, 0.1);
    border-color: var(--color-primary);
}

.testimonial-quote {
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    box-shadow: var(--shadow-lg);
}

.testimonial-text {
    color: var(--color-dark);
    font-size: 1.25rem;
    line-height: 1.8;
    flex: 1;
    font-style: italic;
    font-weight: 400;
}

.testimonial-author {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--color-gray-light);
    gap: var(--spacing-sm);
}

.author-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.author-name {
    font-weight: 700;
    color: var(--color-dark);
    font-size: 1.125rem;
}

.author-type {
    font-size: 0.875rem;
    color: var(--color-gray);
    font-weight: 500;
}

.author-link {
    font-size: 0.875rem;
    color: var(--color-primary);
    font-weight: 600;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.author-link:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

/* Carousel Controls */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 56px;
    height: 56px;
    background: var(--color-white);
    border: 2px solid var(--color-gray-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    z-index: 10;
    color: var(--color-dark);
    box-shadow: var(--shadow-lg);
}

.carousel-btn:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-50%) scale(1.1);
    box-shadow: var(--shadow-xl);
}

.carousel-btn-prev {
    left: 0;
}

.carousel-btn-next {
    right: 0;
}

/* Carousel Dots */
.carousel-dots {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-gray-light);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    padding: 0;
}

.carousel-dot:hover {
    background: var(--color-gray);
    transform: scale(1.2);
}

.carousel-dot.active {
    background: var(--color-primary);
    width: 32px;
    border-radius: 6px;
}

@keyframes testimonialFadeIn {
    from {
        opacity: 0;
        transform: translate(-50%, -50%) rotateY(-15deg) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%) rotateY(-8deg) rotateX(3deg) scale(1);
    }
}

/* ==========================================
   FAQ SECTION
   ========================================== */

.faq {
    background: var(--color-white);
    position: relative;
}

.faq-grid {
    max-width: 900px;
    margin: 0 auto;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.faq-item {
    background: var(--color-white);
    border: 2px solid var(--color-gray-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.faq-item:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.faq-item.active {
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    font-family: var(--font-family);
    transition: all var(--transition-base);
}

.faq-item.active .faq-question {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(99, 102, 241, 0.02) 100%);
}

.faq-question:hover {
    background: var(--color-gray-lighter);
}

.faq-item.active .faq-question:hover {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(99, 102, 241, 0.03) 100%);
}

.faq-question-text {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-dark);
    transition: color var(--transition-base);
    flex: 1;
}

.faq-item.active .faq-question-text {
    color: var(--color-primary);
}

.faq-icon {
    width: 32px;
    height: 32px;
    background: var(--color-gray-lighter);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all var(--transition-base);
    position: relative;
}

.faq-item.active .faq-icon {
    background: var(--gradient-primary);
    transform: rotate(180deg);
}

.faq-icon::before,
.faq-icon::after {
    content: '';
    position: absolute;
    background: var(--color-gray);
    transition: all var(--transition-base);
}

.faq-icon::before {
    width: 12px;
    height: 2px;
}

.faq-icon::after {
    width: 2px;
    height: 12px;
}

.faq-item.active .faq-icon::before,
.faq-item.active .faq-icon::after {
    background: var(--color-white);
}

.faq-item.active .faq-icon::after {
    opacity: 0;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow), padding var(--transition-base);
    padding: 0 var(--spacing-lg);
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 var(--spacing-lg) var(--spacing-md);
}

.faq-answer-content {
    color: var(--color-gray);
    line-height: 1.8;
    font-size: 1rem;
    padding-top: var(--spacing-xs);
    border-top: 1px solid var(--color-gray-light);
}

.faq-answer-content strong {
    color: var(--color-dark);
    font-weight: 600;
}

.faq-answer-content i {
    font-style: italic;
}

.faq-answer-content a {
    color: var(--color-primary);
    text-decoration: underline;
    font-weight: 500;
}

.faq-answer-content a:hover {
    color: var(--color-primary-dark);
}

/* ==========================================
   CTA SECTION
   ========================================== */

.cta {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: var(--color-white);
    text-align: center;
}

.cta-content h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
}

.cta-content p {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-md);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

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

.cta .btn-outline:hover {
    background: transparent;
    color: var(--color-white);
}

/* ==========================================
   VENUE SECTION
   ========================================== */

.venue-section {
    background: linear-gradient(180deg, var(--color-white) 0%, var(--color-gray-lighter) 100%);
    padding: var(--spacing-xl) 0;
    position: relative;
    overflow: hidden;
}

.venue-section::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.venue-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.venue-left {
    display: flex;
    justify-content: center;
    align-items: center;
}

.venue-image-container {
    position: relative;
    max-width: 500px;
    width: 100%;
}

.venue-image {
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: 
        0 25px 50px -12px rgba(0, 0, 0, 0.25),
        0 0 0 1px rgba(0, 0, 0, 0.05);
    transition: transform var(--transition-slow);
    position: relative;
    z-index: 2;
}

.venue-image:hover {
    transform: scale(1.02);
}

.venue-image-glow {
    position: absolute;
    inset: -20px;
    background: radial-gradient(circle at center, rgba(99, 102, 241, 0.2) 0%, transparent 70%);
    border-radius: var(--radius-xl);
    opacity: 0;
    transition: opacity var(--transition-slow);
    z-index: 1;
}

.venue-image-container:hover .venue-image-glow {
    opacity: 1;
}

.venue-right {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.venue-right .section-badge {
    display: inline-block;
    align-self: flex-start;
}

.venue-right h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    color: var(--color-dark);
    line-height: 1.2;
}

.venue-description {
    font-size: 1.125rem;
    color: var(--color-gray);
    line-height: 1.7;
}

.venue-benefits {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin: var(--spacing-sm) 0;
}

.venue-benefits li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.0625rem;
    color: var(--color-dark);
    font-weight: 500;
    padding: var(--spacing-xs) 0;
}

.venue-benefits svg {
    stroke: var(--color-secondary);
    flex-shrink: 0;
    width: 24px;
    height: 24px;
}

.venue-right .btn {
    align-self: flex-start;
    margin-top: var(--spacing-sm);
}

/* ==========================================
   FOOTER
   ========================================== */

.footer {
    background: var(--color-dark);
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
    font-size: 1.25rem;
}

.footer-logo img {
    height: 40px;
    width: auto;
    filter: brightness(0) invert(1);
}

.footer-description {
    color: var(--color-gray-light);
    line-height: 1.7;
}

.footer-section h4 {
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: var(--color-gray-light);
    transition: color var(--transition-base);
}

.footer-section a:hover {
    color: var(--color-white);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-gray-light);
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */

@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-left {
        order: 2;
    }
    
    .hero-right {
        order: 1;
        margin-bottom: var(--spacing-md);
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-subtitle {
        margin: 0 auto var(--spacing-md);
    }
    
    .phone-frame {
        width: 280px;
        height: 570px;
        transform: none;
    }
    
    .phone-frame:hover {
        transform: none;
    }
    
    .enterprise-content {
        grid-template-columns: 1fr;
    }
    
    .monitor-frame {
        width: 320px;
        height: 220px;
        padding: 10px;
    }
    
    .dashboard-header {
        padding: 8px 12px;
    }
    
    .dashboard-logo {
        font-size: 0.65rem;
    }
    
    .logo-icon {
        width: 16px;
        height: 16px;
    }
    
    .stat-pill {
        font-size: 0.6rem;
        padding: 3px 8px;
    }
    
    .dashboard-content {
        padding: 8px;
    }
    
    .venue-item {
        padding: 4px 6px;
    }
    
    .venue-icon {
        width: 20px;
        height: 20px;
    }
    
    .chart-area {
        height: 45px;
        padding: 6px;
    }
    
    .venue-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .venue-left {
        order: 2;
    }
    
    .venue-right {
        order: 1;
        text-align: center;
        align-items: center;
    }
    
    .venue-right .section-badge {
        align-self: center;
    }
    
    .venue-benefits {
        align-items: flex-start;
        text-align: left;
    }
    
    .venue-right .btn {
        align-self: center;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    section {
        padding: var(--spacing-lg) 0;
    }
    
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .mobile-menu.active {
        display: flex;
    }
    
    .hero {
        min-height: auto;
        padding: calc(72px + var(--spacing-lg)) 0 var(--spacing-lg);
    }
    
    .hero-scroll {
        display: none;
    }
    
    .intro-grid,
    .features-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .faq-question {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .faq-question-text {
        font-size: 1rem;
    }
    
    .faq-answer {
        padding: 0 var(--spacing-md);
    }
    
    .faq-item.active .faq-answer {
        padding: 0 var(--spacing-md) var(--spacing-sm);
    }
    
    .faq-icon {
        width: 28px;
        height: 28px;
    }
    
    .testimonials-carousel-wrapper {
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .testimonials-carousel {
        min-height: 450px;
    }
    
    .testimonial-card {
        transform: translate(-50%, -50%) rotateY(-5deg) rotateX(2deg);
    }
    
    .testimonial-card.active {
        transform: translate(-50%, -50%) rotateY(-5deg) rotateX(2deg) scale(1);
    }
    
    .testimonial-card:hover.active {
        transform: translate(-50%, -50%) rotateY(0deg) rotateX(0deg) scale(1.02);
    }
    
    .carousel-btn {
        width: 48px;
        height: 48px;
    }
    
    .pricing-card-featured {
        transform: none;
    }
    
    .pricing-card-featured:hover {
        transform: translateY(-8px);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
    
    .modal-content {
        padding: var(--spacing-md);
    }
    
    .room-code-input {
        font-size: 2rem;
    }
    
    .testimonials-carousel-wrapper {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .testimonials-carousel {
        min-height: 500px;
    }
    
    .testimonial-card {
        padding: var(--spacing-md);
        width: 95%;
        transform: translate(-50%, -50%) rotateY(0deg) rotateX(0deg);
    }
    
    .testimonial-card.active {
        transform: translate(-50%, -50%) rotateY(0deg) rotateX(0deg) scale(1);
    }
    
    .testimonial-card.prev,
    .testimonial-card.next {
        display: none;
    }
    
    .testimonial-text {
        font-size: 1rem;
    }
    
    .carousel-btn {
        width: 40px;
        height: 40px;
    }
    
    .carousel-btn-prev {
        left: -10px;
    }
    
    .carousel-btn-next {
        right: -10px;
    }
}

@media (max-width: 480px) {
    .phone-frame {
        width: 240px;
        height: 490px;
    }
    
    .screen-content {
        padding: var(--spacing-sm);
        padding-top: 2.5rem;
    }
    
    .room-code-value {
        font-size: 1.5rem;
    }
    
    .team-item {
        padding: var(--spacing-xs);
    }
    
    .modal-content {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .modal-header h2 {
        font-size: 1.5rem;
    }
    
    .modal-header p {
        font-size: 1rem;
    }
    
    .room-code-input {
        font-size: 1.5rem;
        padding: var(--spacing-sm);
    }
    
    .room-code-input-label {
        font-size: 1rem;
    }
    
    .btn-join {
        font-size: 1.125rem;
        padding: 1rem 1.5rem;
    }
    
    .monitor-frame {
        width: 280px;
        height: 190px;
        padding: 8px;
        transform: none;
    }
    
    .monitor-frame:hover {
        transform: none;
    }
    
    .dashboard-section-title {
        font-size: 0.6rem;
        margin-bottom: 6px;
    }
    
    .venue-list {
        gap: 4px;
        margin-bottom: 8px;
    }
    
    .monitor-stand {
        width: 50px;
        height: 25px;
    }
    
    .monitor-base {
        width: 120px;
    }
    
    .venue-image-container {
        max-width: 100%;
    }
    
    .venue-benefits li {
        font-size: 1rem;
    }
}

/* ==========================================
   ACCESSIBILITY
   ========================================== */

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

/* Focus visible for keyboard navigation */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ==========================================
   MODAL
   ========================================== */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    max-width: 500px;
    width: 100%;
    position: relative;
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-base);
    box-shadow: var(--shadow-2xl);
}

.modal-overlay.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--color-gray-lighter);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    color: var(--color-dark);
}

.modal-close:hover {
    background: var(--color-gray-light);
    transform: rotate(90deg);
}

.modal-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.modal-header h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: var(--spacing-xs);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modal-header p {
    color: var(--color-gray);
    font-size: 1.125rem;
}

.modal-body {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.room-code-input-label {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-dark);
    display: block;
}

.room-code-input {
    width: 100%;
    padding: var(--spacing-md);
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    border: 3px solid var(--color-gray-light);
    border-radius: var(--radius-lg);
    background: var(--color-gray-lighter);
    color: var(--color-dark);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: all var(--transition-base);
    font-family: var(--font-family);
}

.room-code-input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--color-white);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.room-code-input::placeholder {
    color: var(--color-gray-light);
    opacity: 0.5;
}

.btn-join {
    width: 100%;
    font-size: 1.25rem;
    padding: 1.25rem 2rem;
    margin-top: var(--spacing-sm);
}

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-10px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(10px);
    }
}

/* ==========================================
   UTILITIES
   ========================================== */

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}