/* ===== CSS Variables ===== */
:root {
    /* Primary Colors - Blue Gradient like the butterfly */
    --primary-100: #E6F7FF;
    --primary-200: #BAE7FF;
    --primary-300: #91D5FF;
    --primary-400: #69C0FF;
    --primary-500: #40A9FF;
    --primary-600: #1890FF;
    --primary-700: #096DD9;
    --primary-800: #0050B3;
    --primary-900: #003A8C;
    
    /* Accent - Cyan/Turquoise */
    --accent-400: #36CFC9;
    --accent-500: #13C2C2;
    --accent-600: #08979C;
    
    /* Neutrals */
    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0066FF 0%, #00D4FF 100%);
    --gradient-hero: linear-gradient(135deg, #0A1628 0%, #102A43 50%, #0A1628 100%);
    --gradient-card: linear-gradient(180deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 40px rgba(0, 166, 255, 0.3);
    
    /* Typography */
    --font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --container-max: 1200px;
    --section-padding: 100px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--white);
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
}

button {
    cursor: pointer;
    background: none;
}

/* ===== Utilities ===== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

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

.section-badge {
    display: inline-block;
    padding: 8px 16px;
    background: var(--primary-100);
    color: var(--primary-700);
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
}

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

.section-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    color: var(--gray-900);
}

.section-subtitle {
    font-size: 18px;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    font-weight: 600;
    font-size: 15px;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(0, 102, 255, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 102, 255, 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--primary-600);
    border: 2px solid var(--primary-600);
}

.btn-outline:hover {
    background: var(--primary-600);
    color: var(--white);
}

.btn-lg {
    padding: 18px 36px;
    font-size: 16px;
}

.btn-full {
    width: 100%;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-200);
    transition: var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    width: 44px;
    height: 44px;
    object-fit: contain;
}

.logo-text {
    font-size: 24px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 10px 18px;
    font-weight: 500;
    color: var(--gray-700);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.nav-link:hover {
    color: var(--primary-600);
    background: var(--primary-50);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.burger span {
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    border-radius: 2px;
    transition: var(--transition-base);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
    background: var(--gradient-hero);
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-gradient {
    position: absolute;
    width: 150%;
    height: 150%;
    top: -25%;
    left: -25%;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(0, 102, 255, 0.3) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(0, 212, 255, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(19, 194, 194, 0.15) 0%, transparent 60%);
    animation: gradientMove 20s ease infinite;
}

@keyframes gradientMove {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(2%, 2%) rotate(1deg); }
    66% { transform: translate(-2%, 1%) rotate(-1deg); }
}

.floating-shapes {
    position: absolute;
    inset: 0;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: var(--gradient-primary);
    opacity: 0.1;
    filter: blur(60px);
}

.shape-1 {
    width: 400px;
    height: 400px;
    top: 10%;
    left: 10%;
    animation: float 8s ease-in-out infinite;
}

.shape-2 {
    width: 300px;
    height: 300px;
    bottom: 20%;
    right: 15%;
    animation: float 10s ease-in-out infinite reverse;
}

.shape-3 {
    width: 200px;
    height: 200px;
    top: 50%;
    right: 30%;
    animation: float 12s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-30px) scale(1.05); }
}

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

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.badge-icon {
    font-size: 18px;
}

.hero-title {
    font-size: clamp(40px, 6vw, 64px);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-title .gradient-text {
    background: linear-gradient(135deg, #40A9FF 0%, #00D4FF 50%, #36CFC9 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 36px;
    max-width: 520px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.hero .btn-outline {
    border-color: rgba(255, 255, 255, 0.4);
    color: var(--white);
}

.hero .btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--white);
}

.hero-stats {
    display: flex;
    gap: 40px;
}

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

.stat-number {
    font-size: 36px;
    font-weight: 800;
    background: linear-gradient(135deg, #40A9FF 0%, #00D4FF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    position: relative;
    width: 280px;
    height: 580px;
    background: linear-gradient(145deg, #1a1a2e 0%, #16213e 100%);
    border-radius: 40px;
    padding: 12px;
    box-shadow: 
        0 50px 100px -20px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(255, 255, 255, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    animation: phoneFloat 6s ease-in-out infinite;
}

@keyframes phoneFloat {
    0%, 100% { transform: translateY(0) rotate(-2deg); }
    50% { transform: translateY(-15px) rotate(2deg); }
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #0f1724 0%, #1a2332 100%);
    border-radius: 32px;
    overflow: hidden;
    position: relative;
}

.mini-app-demo {
    padding: 20px;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.app-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 20px;
}

.app-icon {
    width: 32px;
    height: 32px;
    background: var(--gradient-primary);
    border-radius: 8px;
}

.app-header span {
    color: var(--white);
    font-weight: 600;
}

.ad-block {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, rgba(0, 102, 255, 0.2) 0%, rgba(0, 212, 255, 0.1) 100%);
    border-radius: 16px;
    border: 1px solid rgba(0, 166, 255, 0.3);
    padding: 24px;
}

.ad-video {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #0066FF 0%, #00D4FF 100%);
    border-radius: 12px;
    margin-bottom: 16px;
    position: relative;
    overflow: hidden;
}

.ad-video::before {
    content: '▶';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    color: white;
    opacity: 0.8;
}

.ad-video::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.2) 50%, transparent 70%);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.ad-label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    font-weight: 500;
}

.reward-popup {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    color: #1a1a2e;
    padding: 16px 32px;
    border-radius: 16px;
    font-size: 24px;
    font-weight: 800;
    box-shadow: 0 10px 40px rgba(255, 215, 0, 0.4);
    animation: popIn 2s ease-in-out infinite;
}

@keyframes popIn {
    0%, 100% { transform: translate(-50%, -50%) scale(0); opacity: 0; }
    10%, 90% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
}

/* ===== Services Section ===== */
.services {
    padding: var(--section-padding) 0;
    background: var(--gray-50);
}

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

.service-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition-base);
    border: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-300);
}

.service-card.featured {
    grid-column: span 2;
    grid-row: span 2;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
}

.service-card.featured .service-icon {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.service-card.featured p {
    color: rgba(255, 255, 255, 0.9);
}

.service-card.featured .service-price {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-100);
    color: var(--primary-600);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--gray-600);
    font-size: 15px;
    line-height: 1.6;
    flex: 1;
}

.service-features {
    margin: 20px 0;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    font-size: 15px;
}

.service-features li::before {
    content: '✓';
    color: var(--white);
    font-weight: bold;
}

.service-price {
    display: inline-block;
    padding: 8px 16px;
    background: var(--primary-100);
    color: var(--primary-700);
    font-weight: 700;
    font-size: 14px;
    border-radius: var(--radius-sm);
    margin-top: auto;
    align-self: flex-start;
}

.service-price.free {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: var(--white);
}

/* ===== How It Works ===== */
.how-it-works {
    padding: var(--section-padding) 0;
    background: var(--white);
}

.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.step {
    position: relative;
    padding: 32px;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

.step:hover {
    background: var(--primary-50);
}

.step::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -16px;
    width: 32px;
    height: 2px;
    background: var(--primary-300);
}

.step:last-child::after {
    display: none;
}

.step-number {
    font-size: 48px;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
}

.step-content h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--gray-900);
}

.step-content p {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.6;
}

/* ===== Monetize Section ===== */
.monetize {
    padding: var(--section-padding) 0;
    background: var(--gradient-hero);
}

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

.monetize-text {
    color: var(--white);
}

.monetize-text .section-badge {
    background: rgba(255, 255, 255, 0.1);
    color: var(--primary-300);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.monetize-text .section-title {
    color: var(--white);
}

.monetize-text p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 18px;
    margin-bottom: 32px;
}

.monetize-features {
    margin-bottom: 40px;
}

.monetize-features li {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 0;
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
}

.monetize-features svg {
    color: var(--accent-400);
    flex-shrink: 0;
}

/* Earnings Card */
.earnings-card {
    background: linear-gradient(145deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-xl);
    padding: 32px;
    backdrop-filter: blur(20px);
}

.earnings-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

.earnings-period {
    background: rgba(255, 255, 255, 0.1);
    padding: 4px 12px;
    border-radius: var(--radius-full);
}

.earnings-amount {
    font-size: 48px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 8px;
}

.earnings-growth {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #10B981;
    font-weight: 600;
    margin-bottom: 32px;
}

.earnings-chart {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    height: 100px;
}

.chart-bar {
    flex: 1;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px 4px 0 0;
    transition: var(--transition-base);
}

.chart-bar.active {
    background: var(--gradient-primary);
}

/* ===== Cases Section ===== */
.cases {
    padding: var(--section-padding) 0;
    background: var(--gray-50);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.case-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px;
    border: 1px solid var(--gray-200);
    transition: var(--transition-base);
}

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-300);
}

.case-category {
    display: inline-block;
    padding: 6px 12px;
    background: var(--primary-100);
    color: var(--primary-700);
    font-size: 12px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
}

.case-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--gray-900);
}

.case-card p {
    color: var(--gray-600);
    font-size: 15px;
    margin-bottom: 24px;
}

.case-stats {
    display: flex;
    gap: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--gray-200);
}

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

.case-stat-value {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary-600);
}

.case-stat-label {
    font-size: 13px;
    color: var(--gray-500);
}

.cases-cta {
    text-align: center;
    margin-top: 48px;
}

/* ===== About Section ===== */
.about {
    padding: var(--section-padding) 0;
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.about-description {
    font-size: 18px;
    color: var(--gray-600);
    margin-bottom: 32px;
    line-height: 1.8;
}

.about-quote {
    font-size: 20px;
    font-style: italic;
    color: var(--gray-700);
    padding-left: 24px;
    border-left: 4px solid var(--primary-500);
    margin-bottom: 16px;
    line-height: 1.7;
}

.about-author {
    font-weight: 600;
    color: var(--primary-600);
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.about-feature {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

.about-feature:hover {
    background: var(--primary-50);
}

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.feature-text h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--gray-900);
}

.feature-text p {
    font-size: 15px;
    color: var(--gray-600);
}

/* ===== FAQ Section ===== */
.faq {
    padding: var(--section-padding) 0;
    background: var(--gray-50);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    border: 1px solid var(--gray-200);
    overflow: hidden;
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px;
    cursor: pointer;
    font-weight: 600;
    color: var(--gray-900);
    transition: var(--transition-base);
}

.faq-question:hover {
    color: var(--primary-600);
}

.faq-question svg {
    transition: var(--transition-base);
    color: var(--gray-400);
}

.faq-item[open] .faq-question svg {
    transform: rotate(180deg);
    color: var(--primary-600);
}

.faq-answer {
    padding: 0 24px 24px;
    color: var(--gray-600);
    line-height: 1.7;
}

/* ===== Contact Section ===== */
.contact {
    padding: var(--section-padding) 0;
    background: var(--white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact-info p {
    font-size: 18px;
    color: var(--gray-600);
    margin-bottom: 32px;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.contact-method:hover {
    background: var(--primary-50);
}

.method-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--radius-md);
}

.method-label {
    font-size: 14px;
    color: var(--gray-500);
}

.method-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-900);
}

/* Contact Form */
.contact-form {
    background: var(--gray-50);
    padding: 40px;
    border-radius: var(--radius-xl);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 16px;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-500);
    box-shadow: 0 0 0 4px rgba(24, 144, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ===== Footer ===== */
.footer {
    background: var(--gray-900);
    padding: 80px 0 32px;
    color: var(--white);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand p {
    color: var(--gray-400);
    margin: 20px 0;
    max-width: 300px;
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--white);
    transition: var(--transition-base);
}

.footer-social a:hover {
    background: var(--primary-600);
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-nav-group h4 {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--white);
    margin-bottom: 20px;
}

.footer-nav-group ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-nav-group a {
    color: var(--gray-400);
    font-size: 15px;
    transition: var(--transition-base);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: var(--gray-500);
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--gray-500);
    font-size: 14px;
}

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

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .service-card.featured {
        grid-column: span 2;
        grid-row: span 1;
    }
    
    .steps {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .step::after {
        display: none;
    }
    
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-visual {
        display: none;
    }
    
    .monetize-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 24px;
        border-bottom: 1px solid var(--gray-200);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-base);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-link {
        width: 100%;
        text-align: center;
    }
    
    .nav-actions .btn {
        display: none;
    }
    
    .burger {
        display: flex;
    }
    
    .burger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .burger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .burger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card.featured {
        grid-column: span 1;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .case-stats {
        flex-wrap: wrap;
    }
    
    .footer-nav {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 36px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }
    
    .contact-form {
        padding: 24px;
    }
}