/* ========================================
   DALETIA - Landing Page Styles
   ======================================== */

/* CSS Variables */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #10b981;
    --accent: #f59e0b;
    --dark: #0f172a;
    --darker: #020617;
    --light: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    --gradient-secondary: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    --gradient-accent: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
    --gradient-dark: linear-gradient(180deg, #0f172a 0%, #020617 100%);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--darker);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
}

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

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========================================
   NAVIGATION
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

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

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    color: var(--gray-300);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: white;
}

.btn-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--secondary);
    color: white;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-full);
    transition: all 0.2s;
}

.btn-nav:hover {
    background: #0ea572;
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.4);
}

/* ========================================
   WHATSAPP FLOAT BUTTON
   ======================================== */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 999;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all 0.3s;
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.7); }
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 20% 50%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 50%, rgba(168, 85, 247, 0.1) 0%, transparent 50%),
                linear-gradient(180deg, #0f172a 0%, #020617 100%);
}

.hero-particles {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, rgba(255,255,255,0.2), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.1), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(255,255,255,0.15), transparent),
        radial-gradient(2px 2px at 130px 80px, rgba(255,255,255,0.1), transparent),
        radial-gradient(1px 1px at 160px 30px, rgba(255,255,255,0.2), transparent);
    background-size: 200px 100px;
    animation: float 20s linear infinite;
}

@keyframes float {
    0% { transform: translateY(0); }
    100% { transform: translateY(-100px); }
}

.hero .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--radius-full);
    color: #818cf8;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 24px;
}

.badge-icon {
    animation: sparkle 1.5s ease-in-out infinite;
}

@keyframes sparkle {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: 24px;
    line-height: 1.1;
}

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

.highlight {
    position: relative;
    color: var(--secondary);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-400);
    margin-bottom: 32px;
    max-width: 540px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
    padding: 24px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

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

.stat-number {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: white;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-400);
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    background: var(--secondary);
    color: white;
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius-lg);
    transition: all 0.3s;
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.3);
}

.btn-primary:hover {
    background: #0ea572;
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(16, 185, 129, 0.5);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.2);
    color: white;
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius-lg);
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.3);
}

.hero-trust {
    display: flex;
    align-items: center;
    gap: 16px;
    color: var(--gray-400);
    font-size: 0.875rem;
}

.trust-logos {
    display: flex;
    align-items: center;
    gap: 20px;
}

.trust-logos img {
    height: 24px;
    opacity: 0.6;
    filter: grayscale(100%) brightness(2);
    transition: all 0.3s;
}

.trust-logos img:hover {
    opacity: 1;
    filter: none;
}

.more-models {
    font-size: 0.75rem;
    color: var(--gray-500);
    background: rgba(255,255,255,0.05);
    padding: 4px 10px;
    border-radius: var(--radius-full);
}

/* Hero Visual - Phone Mockup */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.phone-mockup {
    width: 320px;
    background: linear-gradient(145deg, #1e293b, #0f172a);
    border-radius: 40px;
    padding: 12px;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.5),
                inset 0 1px 0 rgba(255,255,255,0.1);
}

.phone-screen {
    background: #111;
    border-radius: 32px;
    padding: 20px 16px;
    height: 500px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.phone-screen::-webkit-scrollbar {
    width: 4px;
}

.phone-screen::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.2);
    border-radius: 2px;
}

.chat-bubble {
    display: flex;
    gap: 8px;
    animation: slideIn 0.3s ease;
}

.chat-bubble.received {
    flex-direction: row;
}

.chat-bubble.sent {
    flex-direction: row-reverse;
}

.chat-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.chat-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.chat-content {
    background: #1f1f1f;
    padding: 10px 14px;
    border-radius: 18px;
    border-top-left-radius: 4px;
    max-width: 75%;
}

.chat-bubble.sent .chat-content {
    background: #0066b8;
    border-radius: 18px;
    border-top-right-radius: 4px;
}

.chat-name {
    font-size: 0.7rem;
    color: #818cf8;
    margin-bottom: 2px;
}

.chat-message {
    font-size: 0.85rem;
    color: white;
    line-height: 1.4;
}

.chat-time {
    font-size: 0.65rem;
    color: rgba(255,255,255,0.5);
    margin-top: 4px;
    text-align: right;
}

.typing-indicator {
    display: flex;
    gap: 4px;
    padding: 12px 16px;
    background: #1f1f1f;
    border-radius: 18px;
    width: fit-content;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: #818cf8;
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
    30% { transform: translateY(-6px); opacity: 1; }
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.ai-badge {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 8px 16px;
    background: var(--primary);
    color: white;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    gap: 6px;
    animation: pulse-badge 2s infinite;
}

@keyframes pulse-badge {
    0%, 100% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.5); }
    50% { box-shadow: 0 0 0 15px rgba(99, 102, 241, 0); }
}

/* ========================================
   TRUSTED BY
   ======================================== */
.trusted-by {
    padding: 60px 0;
    background: rgba(255,255,255,0.02);
    border-top: 1px solid rgba(255,255,255,0.05);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.trusted-label {
    text-align: center;
    color: var(--gray-500);
    font-size: 0.875rem;
    margin-bottom: 32px;
}

.logos-scroll {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 60px;
    flex-wrap: wrap;
}

.logo-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--gray-400);
    font-size: 0.95rem;
    opacity: 0.6;
    transition: opacity 0.3s;
}

.logo-item:hover {
    opacity: 1;
}

.logo-item i {
    font-size: 1.5rem;
}

/* ========================================
   PAIN SECTION
   ======================================== */
.pain-section {
    padding: 100px 0;
    background: var(--dark);
}

.pain-content {
    text-align: center;
}

.section-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
}

.section-title {
    font-size: 2.5rem;
    color: white;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray-400);
    margin-bottom: 48px;
}

.pain-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.pain-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: left;
    transition: all 0.3s;
}

.pain-card:hover {
    background: rgba(255,255,255,0.05);
    border-color: rgba(239, 68, 68, 0.3);
    transform: translateY(-4px);
}

.pain-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.pain-card h3 {
    font-size: 1.1rem;
    color: white;
    margin-bottom: 12px;
}

.pain-card p {
    font-size: 0.9rem;
    color: var(--gray-400);
    line-height: 1.6;
}

.pain-solution {
    padding: 40px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(168, 85, 247, 0.1));
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--radius-xl);
    max-width: 600px;
    margin: 0 auto;
}

.solution-badge {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 20px;
}

.pain-solution h3 {
    font-size: 1.5rem;
    color: white;
    margin-bottom: 12px;
}

.pain-solution p {
    color: var(--gray-300);
    line-height: 1.7;
}

/* ========================================
   FEATURES SECTION
   ======================================== */
.features {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--dark) 0%, var(--darker) 100%);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header .section-badge {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.3);
    color: #34d399;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s;
}

.feature-card:hover {
    background: rgba(255,255,255,0.05);
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-4px);
}

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

.feature-icon {
    width: 56px;
    height: 56px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.05rem;
    color: white;
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--gray-400);
    line-height: 1.6;
}

.feature-tag {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 4px 10px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #34d399;
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

/* ========================================
   AI SECTION
   ======================================== */
.ai-section {
    padding: 100px 0;
    background: var(--darker);
    overflow: hidden;
}

.ai-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: center;
}

.ai-content .section-badge {
    background: rgba(168, 85, 247, 0.1);
    border-color: rgba(168, 85, 247, 0.3);
    color: #c084fc;
}

.ai-description {
    color: var(--gray-400);
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 32px;
}

.ai-models {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.ai-model {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    padding: 20px;
    position: relative;
}

.ai-model-header {
    display: flex;
    align-items: center;
    gap: 16px;
}

.ai-model-header img {
    width: 36px;
    height: 36px;
}

.ai-model-header div {
    flex: 1;
}

.ai-model-header strong {
    display: block;
    color: white;
    font-size: 0.95rem;
}

.ai-model-header span {
    font-size: 0.8rem;
    color: var(--gray-400);
}

.ai-model-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 4px 10px;
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.ai-model-badge.recommended {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #fbbf24;
}

.ai-model-badge.free {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #34d399;
}

.ai-model-badge.private {
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    color: #818cf8;
}

.ai-benefits {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 24px;
}

.benefit {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--gray-300);
    font-size: 0.95rem;
}

.benefit i {
    color: var(--secondary);
}

/* AI Visual */
.ai-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 400px;
}

.ai-brain {
    position: relative;
    z-index: 1;
}

.brain-glow {
    position: absolute;
    inset: -60px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.3) 0%, transparent 70%);
    animation: glow-pulse 3s ease-in-out infinite;
}

@keyframes glow-pulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
}

.brain-icon {
    width: 140px;
    height: 140px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: white;
    position: relative;
    z-index: 1;
}

.neural-lines {
    position: absolute;
    inset: -40px;
}

.line {
    position: absolute;
    background: var(--gradient-primary);
    opacity: 0.3;
    animation: line-grow 2s ease-out infinite;
}

.line-1 { width: 100px; height: 2px; top: 50%; left: -60px; transform: rotate(-30deg); transform-origin: right; }
.line-2 { width: 80px; height: 2px; top: 30%; right: -50px; transform: rotate(20deg); transform-origin: left; }
.line-3 { width: 120px; height: 2px; bottom: 30%; left: -80px; transform: rotate(15deg); transform-origin: right; }
.line-4 { width: 90px; height: 2px; bottom: 40%; right: -60px; transform: rotate(-25deg); transform-origin: left; }
.line-5 { width: 70px; height: 2px; top: 20%; left: -40px; transform: rotate(45deg); transform-origin: right; }

@keyframes line-grow {
    0% { opacity: 0; transform: scaleX(0); }
    50% { opacity: 0.5; }
    100% { opacity: 0; transform: scaleX(1); }
}

.ai-particles {
    position: absolute;
    inset: 0;
}

.particle {
    position: absolute;
    font-size: 1.5rem;
    animation: float-particle 4s ease-in-out infinite;
}

.p1 { top: 10%; left: 20%; animation-delay: 0s; }
.p2 { top: 20%; right: 15%; animation-delay: 0.5s; }
.p3 { bottom: 30%; left: 10%; animation-delay: 1s; }
.p4 { bottom: 20%; right: 20%; animation-delay: 1.5s; }
.p5 { top: 40%; left: 5%; animation-delay: 2s; }

@keyframes float-particle {
    0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.5; }
    50% { transform: translateY(-20px) rotate(10deg); opacity: 1; }
}

/* ========================================
   CASES SECTION
   ======================================== */
.cases {
    padding: 100px 0;
    background: var(--dark);
}

.cases-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.case-tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    color: var(--gray-300);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.case-tab:hover {
    background: rgba(255,255,255,0.06);
    color: white;
}

.case-tab.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
}

.case-panel {
    display: none;
}

.case-panel.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.case-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.case-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
}

.case-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.case-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.case-header h3 {
    font-size: 1.3rem;
    color: white;
}

.case-header p {
    font-size: 0.9rem;
    color: var(--gray-400);
}

.case-problem, .case-solution {
    margin-bottom: 24px;
    padding: 20px;
    border-radius: var(--radius-lg);
}

.case-problem {
    background: rgba(239, 68, 68, 0.05);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.case-problem h4, .case-solution h4 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    margin-bottom: 12px;
}

.case-problem h4 {
    color: #f87171;
}

.case-problem p {
    color: var(--gray-300);
    font-size: 0.9rem;
}

.case-solution {
    background: rgba(16, 185, 129, 0.05);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.case-solution h4 {
    color: #34d399;
}

.case-solution ul {
    list-style: none;
}

.case-solution li {
    position: relative;
    padding-left: 24px;
    color: var(--gray-300);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.case-solution li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #34d399;
}

.case-results {
    display: flex;
    gap: 24px;
    margin-bottom: 24px;
    padding: 20px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-lg);
}

.result {
    flex: 1;
    text-align: center;
}

.result-number {
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: #818cf8;
}

.result-label {
    font-size: 0.8rem;
    color: var(--gray-400);
}

.case-testimonial {
    padding: 20px;
    background: rgba(255,255,255,0.03);
    border-left: 4px solid var(--primary);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.case-testimonial p {
    color: var(--gray-300);
    font-style: italic;
    font-size: 0.95rem;
    margin-bottom: 8px;
}

.case-testimonial span {
    font-size: 0.85rem;
    color: var(--gray-500);
}

/* Case Chat */
.case-chat {
    background: #111;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
}

.chat-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: #1a1a1a;
    border-bottom: 1px solid #333;
}

.chat-header img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.chat-header strong {
    color: white;
    font-size: 0.95rem;
}

.chat-header span {
    font-size: 0.75rem;
    color: #22c55e;
}

.chat-messages {
    padding: 20px;
    height: 400px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chat-messages::-webkit-scrollbar {
    width: 4px;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.2);
    border-radius: 2px;
}

.chat-msg {
    display: flex;
    flex-direction: column;
    max-width: 85%;
}

.chat-msg.received {
    align-self: flex-start;
}

.chat-msg.sent {
    align-self: flex-end;
}

.msg-bubble {
    padding: 12px 16px;
    border-radius: 16px;
    font-size: 0.9rem;
    line-height: 1.5;
}

.chat-msg.received .msg-bubble {
    background: #1f1f1f;
    color: white;
    border-bottom-left-radius: 4px;
}

.chat-msg.sent .msg-bubble {
    background: #0066b8;
    color: white;
    border-bottom-right-radius: 4px;
}

.msg-time {
    font-size: 0.7rem;
    color: var(--gray-500);
    margin-top: 4px;
}

/* ========================================
   TUTORIALS SECTION
   ======================================== */
.tutorials {
    padding: 100px 0;
    background: var(--darker);
}

.tutorials .section-badge {
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.3);
    color: #fbbf24;
}

.tutorials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.tutorial-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.3s;
}

.tutorial-card:hover {
    transform: translateY(-4px);
    border-color: rgba(245, 158, 11, 0.3);
}

.tutorial-thumb {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.tutorial-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.tutorial-card:hover .tutorial-thumb img {
    transform: scale(1.05);
}

.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(245, 158, 11, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    cursor: pointer;
    transition: all 0.3s;
}

.play-btn:hover {
    transform: translate(-50%, -50%) scale(1.1);
    background: #f59e0b;
}

.tutorial-duration {
    position: absolute;
    bottom: 10px;
    right: 10px;
    padding: 4px 8px;
    background: rgba(0,0,0,0.8);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
}

.tutorial-card h4 {
    padding: 16px 20px 8px;
    font-size: 1rem;
    color: white;
}

.tutorial-card p {
    padding: 0 20px 20px;
    font-size: 0.85rem;
    color: var(--gray-400);
}

.tutorials-cta {
    text-align: center;
}

/* ========================================
   PRICING SECTION
   ======================================== */
.pricing {
    padding: 100px 0;
    background: var(--dark);
}

.pricing .section-badge {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.3);
    color: #34d399;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.pricing-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-xl);
    padding: 32px;
    position: relative;
    transition: all 0.3s;
}

.pricing-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255,255,255,0.15);
}

.pricing-card.featured {
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.3);
    transform: scale(1.02);
}

.pricing-card.featured:hover {
    transform: scale(1.02) translateY(-4px);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 16px;
    background: var(--gradient-primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.pricing-header h3 {
    font-size: 1.3rem;
    color: white;
    margin-bottom: 4px;
}

.pricing-header p {
    font-size: 0.9rem;
    color: var(--gray-400);
    margin-bottom: 24px;
}

.pricing-price {
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.pricing-price .currency {
    font-size: 1.5rem;
    color: var(--gray-400);
    vertical-align: top;
}

.pricing-price .amount {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    color: white;
}

.pricing-price .period {
    font-size: 0.9rem;
    color: var(--gray-400);
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    color: var(--gray-300);
    font-size: 0.9rem;
}

.pricing-features li i {
    font-size: 0.9rem;
}

.pricing-features li i.fa-check {
    color: var(--secondary);
}

.pricing-features li i.fa-times {
    color: var(--gray-600);
}

.pricing-features li.disabled {
    color: var(--gray-600);
}

.btn-pricing {
    display: block;
    width: 100%;
    padding: 14px 24px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.2);
    color: white;
    font-weight: 600;
    text-align: center;
    border-radius: var(--radius-lg);
    transition: all 0.3s;
}

.btn-pricing:hover {
    background: rgba(255,255,255,0.1);
}

.btn-pricing.primary {
    background: var(--secondary);
    border-color: var(--secondary);
}

.btn-pricing.primary:hover {
    background: #0ea572;
}

.pricing-guarantee {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 24px;
    background: rgba(16, 185, 129, 0.05);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-lg);
    max-width: 600px;
    margin: 0 auto;
}

.pricing-guarantee i {
    font-size: 2.5rem;
    color: var(--secondary);
}

.pricing-guarantee strong {
    display: block;
    color: white;
    margin-bottom: 4px;
}

.pricing-guarantee p {
    font-size: 0.9rem;
    color: var(--gray-400);
}

/* ========================================
   FAQ SECTION
   ======================================== */
.faq {
    padding: 100px 0;
    background: var(--darker);
}

.faq .section-badge {
    background: rgba(168, 85, 247, 0.1);
    border-color: rgba(168, 85, 247, 0.3);
    color: #c084fc;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.faq-item {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.faq-question {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 24px;
    font-weight: 600;
    color: white;
    cursor: pointer;
    transition: background 0.2s;
}

.faq-question:hover {
    background: rgba(255,255,255,0.03);
}

.faq-question i {
    color: #c084fc;
}

.faq-answer {
    padding: 0 24px 20px;
    color: var(--gray-400);
    font-size: 0.95rem;
    line-height: 1.7;
    display: none;
}

.faq-item.active .faq-answer {
    display: block;
}

/* ========================================
   FINAL CTA SECTION
   ======================================== */
.final-cta {
    padding: 120px 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(168, 85, 247, 0.2) 100%);
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.final-cta h2 {
    font-size: 2.5rem;
    color: white;
    margin-bottom: 20px;
}

.final-cta > .cta-content > p {
    font-size: 1.1rem;
    color: var(--gray-300);
    margin-bottom: 32px;
}

.cta-benefits {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 40px;
}

.cta-benefit {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--gray-300);
}

.cta-benefit i {
    color: var(--secondary);
}

.btn-cta-final {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 20px 40px;
    background: var(--secondary);
    color: white;
    font-size: 1.2rem;
    font-weight: 700;
    border-radius: var(--radius-lg);
    transition: all 0.3s;
    box-shadow: 0 8px 30px rgba(16, 185, 129, 0.4);
}

.btn-cta-final:hover {
    background: #0ea572;
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 12px 40px rgba(16, 185, 129, 0.5);
}

.cta-note {
    margin-top: 20px;
    font-size: 0.9rem;
    color: var(--gray-400);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    padding: 80px 0 40px;
    background: var(--darker);
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand p {
    color: var(--gray-400);
    font-size: 0.9rem;
    margin: 16px 0 24px;
    max-width: 300px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.05);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    transition: all 0.2s;
}

.footer-social a:hover {
    background: var(--primary);
    color: white;
}

.footer-links h4 {
    color: white;
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.footer-links a {
    display: block;
    color: var(--gray-400);
    font-size: 0.9rem;
    padding: 6px 0;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: var(--gray-500);
    font-size: 0.85rem;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-subtitle {
        margin: 0 auto 32px;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-trust {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .pain-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .ai-grid {
        grid-template-columns: 1fr;
    }
    
    .ai-visual {
        display: none;
    }
    
    .case-grid {
        grid-template-columns: 1fr;
    }
    
    .tutorials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto 48px;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .pain-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .tutorials-grid {
        grid-template-columns: 1fr;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-benefits {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
}