/* ========================================
   TradePro Landing Page - Crypto Trading Theme
   ======================================== */

/* CSS Variables */
:root {
    --primary: #00d4aa;
    --primary-dark: #00b894;
    --secondary: #00cec9;
    --accent: #f7931a;
    --success: #00d4aa;
    --warning: #f7931a;
    --danger: #ff6b6b;
    --dark: #0a0e17;
    --dark-light: #131722;
    --gray-900: #1a1f2e;
    --gray-800: #242938;
    --gray-700: #2d3344;
    --gray-600: #3d4455;
    --gray-500: #6b7280;
    --gray-400: #9ca3af;
    --gray-300: #d1d5db;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --white: #ffffff;
    --gradient-primary: linear-gradient(135deg, #00d4aa 0%, #00cec9 50%, #0984e3 100%);
    --gradient-secondary: linear-gradient(135deg, #f7931a 0%, #f39c12 100%);
    --gradient-dark: linear-gradient(135deg, #0a0e17 0%, #131722 100%);
    --gradient-hero: linear-gradient(135deg, rgba(0, 212, 170, 0.05) 0%, rgba(0, 206, 201, 0.05) 100%);
    --gradient-card: linear-gradient(145deg, #131722 0%, #1a1f2e 100%);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 40px rgba(0, 212, 170, 0.4);
    --shadow-glow-orange: 0 0 40px rgba(247, 147, 26, 0.3);
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --transition: all 0.3s ease;
}

/* 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', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-300);
    background-color: var(--dark);
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn ion-icon {
    font-size: 1.25rem;
}

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

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

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

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

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

.btn-white:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
}

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

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

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

.btn-block {
    width: 100%;
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 14, 23, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
}

.logo ion-icon {
    font-size: 2rem;
    color: var(--primary);
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    color: var(--gray-400);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

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

.nav-links a:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.75rem;
    color: var(--white);
    cursor: pointer;
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--dark);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mobile-menu-content a {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--gray-300);
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-menu-actions {
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

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

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('headerbg.jpg') center/cover no-repeat;
    z-index: 0;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(10, 14, 23, 0.95) 0%, rgba(19, 23, 34, 0.85) 50%, rgba(10, 14, 23, 0.9) 100%);
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: radial-gradient(circle at 70% 30%, rgba(0, 212, 170, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 30% 70%, rgba(247, 147, 26, 0.1) 0%, transparent 50%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--white);
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--white) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--gray-400);
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    gap: 3rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* Trading Cards Wrapper */
.hero-image {
    display: flex;
    justify-content: center;
    perspective: 1000px;
}

.trading-cards-wrapper {
    position: relative;
    width: 100%;
    max-width: 380px;
    height: 420px;
}

.trading-card {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    background: var(--gradient-card);
    border-radius: var(--radius-2xl);
    padding: 1.75rem;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    width: 100%;
    opacity: 0;
    transform: translateX(100px) rotateY(-15deg) scale(0.9);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.trading-card.active {
    opacity: 1;
    transform: translateX(0) rotateY(0) scale(1);
    pointer-events: auto;
    animation: cardFloat 6s ease-in-out infinite;
}

.trading-card.prev {
    opacity: 0;
    transform: translateX(-100px) rotateY(15deg) scale(0.9);
}

@keyframes cardFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* Trading Card Header with Icon */
.trading-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.pair-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.pair-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--white);
}

.pair-icon.btc {
    background: linear-gradient(135deg, #f7931a 0%, #ffb347 100%);
}

.pair-icon.eth {
    background: linear-gradient(135deg, #627eea 0%, #8c9eff 100%);
}

.pair-icon.bnb {
    background: linear-gradient(135deg, #f3ba2f 0%, #ffd54f 100%);
}

.pair-icon.sol {
    background: linear-gradient(135deg, #9945ff 0%, #14f195 100%);
}

.pair-icon ion-icon {
    font-size: 1.5rem;
}

.pair-details {
    display: flex;
    flex-direction: column;
}

.pair {
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--white);
}

.pair-name {
    font-size: 0.8125rem;
    color: var(--gray-500);
}

.change {
    font-size: 0.875rem;
    font-weight: 600;
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.change.positive {
    background: rgba(0, 212, 170, 0.15);
    color: var(--success);
}

.change.negative {
    background: rgba(255, 107, 107, 0.15);
    color: var(--danger);
}

.trading-card-price {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 0.75rem;
    font-family: 'Inter', monospace;
}

/* Trading Card Meta Info */
.trading-card-meta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.meta-label {
    font-size: 0.75rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.meta-value {
    font-size: 0.9375rem;
    font-weight: 600;
    font-family: 'Inter', monospace;
}

.meta-value.high {
    color: var(--success);
}

.meta-value.low {
    color: var(--danger);
}

/* Trading Card Chart */
.trading-card-chart {
    height: 80px;
    margin-bottom: 1rem;
    position: relative;
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius);
    overflow: hidden;
}

.trading-card-chart canvas {
    width: 100% !important;
    height: 100% !important;
}

/* Trading Card Actions */
.trading-card-actions {
    display: flex;
    gap: 0.75rem;
}

.trade-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.trade-btn ion-icon {
    font-size: 1.125rem;
}

.trade-btn.buy {
    background: rgba(0, 212, 170, 0.2);
    color: var(--success);
    border: 1px solid rgba(0, 212, 170, 0.3);
}

.trade-btn.buy:hover {
    background: var(--success);
    color: var(--dark);
}

.trade-btn.sell {
    background: rgba(255, 107, 107, 0.2);
    color: var(--danger);
    border: 1px solid rgba(255, 107, 107, 0.3);
}

.trade-btn.sell:hover {
    background: var(--danger);
    color: var(--white);
}

/* Card Navigation Dots */
.card-nav {
    position: absolute;
    bottom: -50px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.75rem;
    padding: 0.5rem;
    background: rgba(19, 23, 34, 0.9);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.card-dot {
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    border: none;
    background: var(--gray-800);
    color: var(--gray-500);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-dot ion-icon {
    font-size: 1.25rem;
}

.card-dot:hover {
    background: var(--gray-700);
    color: var(--gray-300);
}

.card-dot.active {
    background: var(--gradient-primary);
    color: var(--white);
}

/* Live Indicator */
.live-indicator {
    position: absolute;
    top: 1rem;
    right: 1rem;
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.625rem;
    background: rgba(0, 212, 170, 0.2);
    border-radius: var(--radius);
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--success);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.live-dot {
    width: 6px;
    height: 6px;
    background: var(--success);
    border-radius: 50%;
    animation: livePulse 1.5s ease-in-out infinite;
}

@keyframes livePulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.chart-line {
    width: 100%;
    height: 100%;
}

/* ========================================
   Features Section
   ======================================== */
.features {
    padding: 100px 0;
    background: var(--dark-light);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--gray-400);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card {
    background: var(--gradient-card);
    padding: 2rem;
    border-radius: var(--radius-xl);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow);
    border-color: rgba(0, 212, 170, 0.3);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
}

.feature-icon ion-icon {
    font-size: 2.5rem;
    color: var(--white);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.75rem;
}

.feature-card p {
    font-size: 0.9375rem;
    color: var(--gray-400);
}

/* ========================================
   How It Works Section
   ======================================== */
.how-it-works {
    padding: 100px 0;
    background: var(--dark);
}

.steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 1rem;
    max-width: 1000px;
    margin: 0 auto;
}

.step {
    flex: 1;
    max-width: 280px;
    text-align: center;
    position: relative;
}

.step-number {
    position: absolute;
    top: -10px;
    right: 20%;
    width: 32px;
    height: 32px;
    background: var(--gradient-secondary);
    color: var(--white);
    font-size: 0.875rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.step-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 50%;
    box-shadow: var(--shadow-glow);
}

.step-icon ion-icon {
    font-size: 3rem;
    color: var(--white);
}

.step h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.75rem;
}

.step p {
    font-size: 0.9375rem;
    color: var(--gray-400);
    line-height: 1.6;
}

.step-connector {
    flex: 0 0 60px;
    height: 3px;
    background: var(--gradient-primary);
    margin-top: 50px;
    border-radius: 2px;
    align-self: flex-start;
}

/* ========================================
   Testimonials Section
   ======================================== */
.testimonials {
    padding: 100px 0;
    background: var(--dark-light);
    position: relative;
    overflow: hidden;
}

.testimonials::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(0, 212, 170, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 80% 50%, rgba(247, 147, 26, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.testimonials .container {
    position: relative;
    z-index: 1;
}

.testimonials-slider-wrapper {
    position: relative;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

/* Testimonials Navigation */
.testimonials-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 2.5rem;
}

.testimonials-nav-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid var(--primary);
    background: transparent;
    color: var(--primary);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.testimonials-nav-btn:hover {
    background: var(--primary);
    color: var(--dark);
    transform: scale(1.1);
}

.testimonials-nav-btn:active {
    transform: scale(0.95);
}

.testimonials-nav-btn ion-icon {
    font-size: 1.5rem;
}

.testimonials-dots {
    display: flex;
    gap: 0.625rem;
    align-items: center;
    padding: 0 1rem;
}

.testimonials-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gray-600);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    padding: 0;
}

.testimonials-dot:hover {
    background: var(--gray-400);
}

.testimonials-dot.active {
    background: var(--primary);
    transform: scale(1.3);
    box-shadow: 0 0 10px rgba(0, 212, 170, 0.5);
}

.testimonial-card {
    background: var(--gradient-card);
    padding: 2rem;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    position: relative;
}

.testimonial-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 212, 170, 0.3);
    box-shadow: var(--shadow-glow);
}

.testimonial-card.featured {
    border-color: var(--accent);
    background: linear-gradient(145deg, rgba(247, 147, 26, 0.1) 0%, var(--gray-900) 100%);
}

.testimonial-card.featured:hover {
    box-shadow: var(--shadow-glow-orange);
}

.testimonial-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 0.375rem;
    background: var(--gradient-secondary);
    color: var(--white);
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.testimonial-badge ion-icon {
    font-size: 0.875rem;
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 50%;
    flex-shrink: 0;
}

.testimonial-avatar ion-icon {
    font-size: 2.5rem;
    color: var(--white);
}

.testimonial-info {
    flex: 1;
}

.testimonial-info h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.125rem;
}

.testimonial-info span {
    font-size: 0.8125rem;
    color: var(--gray-400);
}

.testimonial-rating {
    display: flex;
    gap: 0.125rem;
}

.testimonial-rating ion-icon {
    font-size: 1rem;
    color: var(--accent);
}

.testimonial-text {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--gray-300);
    margin-bottom: 1.25rem;
    font-style: italic;
}

.testimonial-stats {
    display: flex;
    gap: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.testimonial-stat .stat-value {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--success);
}

.testimonial-stat .stat-desc {
    font-size: 0.75rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ========================================
   About Section
   ======================================== */
.about {
    padding: 100px 0;
    background: var(--dark);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 1.5rem;
}

.about-text p {
    font-size: 1.0625rem;
    color: var(--gray-400);
    margin-bottom: 2rem;
}

.about-list {
    margin-bottom: 2rem;
}

.about-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    font-weight: 500;
    color: var(--gray-300);
}

.about-list ion-icon {
    font-size: 1.5rem;
    color: var(--success);
}

.about-image {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.about-card {
    background: var(--gradient-card);
    padding: 1.5rem;
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.about-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
    border-color: rgba(0, 212, 170, 0.3);
}

.about-card:first-child {
    grid-column: span 2;
}

.about-card-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
}

.about-card-icon ion-icon {
    font-size: 1.75rem;
    color: var(--white);
}

.about-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-400);
    margin-bottom: 0.25rem;
}

.about-card p {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    margin: 0;
}

/* ========================================
   CTA Section
   ======================================== */
.cta {
    padding: 100px 0;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 80%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
    padding: 100px 0;
    background: var(--dark-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--gradient-card);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.contact-item:hover {
    border-color: rgba(0, 212, 170, 0.3);
}

.contact-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius);
    flex-shrink: 0;
}

.contact-icon ion-icon {
    font-size: 1.5rem;
    color: var(--white);
}

.contact-details h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.25rem;
}

.contact-details p {
    font-size: 0.9375rem;
    color: var(--gray-400);
}

.contact-form {
    background: var(--gradient-card);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    font-family: inherit;
    color: var(--white);
    background: var(--gray-900);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(0, 212, 170, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-500);
}

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

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--dark);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-brand p {
    color: var(--gray-400);
    margin-bottom: 1.5rem;
    max-width: 300px;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-800);
    border-radius: var(--radius);
    color: var(--gray-400);
    transition: var(--transition);
}

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

.social-links ion-icon {
    font-size: 1.25rem;
}

.footer-links h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1.5rem;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--gray-400);
    font-size: 0.9375rem;
}

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

.footer-bottom {
    padding: 2rem 0;
    text-align: center;
}

.footer-bottom p {
    color: var(--gray-500);
    font-size: 0.875rem;
}

.footer-bottom p:last-child {
    margin-top: 0.5rem;
    font-size: 0.8125rem;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 2.75rem;
    }

    .hero-content p {
        margin: 0 auto 2rem;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-image {
        margin-top: 2rem;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .about-text {
        text-align: center;
    }

    .about-list {
        max-width: 400px;
        margin: 0 auto 2rem;
    }

    .about-list li {
        justify-content: center;
    }

    .about-text .btn {
        margin: 0 auto;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links,
    .nav-actions {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .mobile-menu {
        display: block;
    }

    .hero-content h1 {
        font-size: 2.25rem;
    }

    .hero-content p {
        font-size: 1.0625rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    /* Testimonials Mobile Slider */
    .testimonials-slider-wrapper {
        overflow: hidden;
        margin: 0 -1rem;
        padding: 0 1rem;
    }

    .testimonials-grid {
        display: flex;
        gap: 1rem;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        scroll-behavior: smooth;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        -ms-overflow-style: none;
        padding: 1rem 0;
    }

    .testimonials-grid::-webkit-scrollbar {
        display: none;
    }

    .testimonial-card {
        flex: 0 0 calc(100% - 2rem);
        scroll-snap-align: center;
        margin: 0;
    }

    .testimonials-nav {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 1rem;
        margin-top: 1.5rem;
    }

    .testimonials-nav-btn {
        width: 44px;
        height: 44px;
        border-radius: 50%;
        border: 2px solid var(--primary);
        background: transparent;
        color: var(--primary);
        cursor: pointer;
        transition: var(--transition);
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .testimonials-nav-btn:hover,
    .testimonials-nav-btn:active {
        background: var(--primary);
        color: var(--dark);
    }

    .testimonials-nav-btn ion-icon {
        font-size: 1.25rem;
    }

    .testimonials-dots {
        display: flex;
        gap: 0.5rem;
        align-items: center;
    }

    .testimonials-dot {
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background: var(--gray-600);
        border: none;
        cursor: pointer;
        transition: var(--transition);
        padding: 0;
    }

    .testimonials-dot.active {
        background: var(--primary);
        transform: scale(1.2);
    }

    .steps {
        flex-direction: column;
        align-items: center;
        gap: 2rem;
    }

    .step {
        max-width: 100%;
    }

    .step-connector {
        width: 3px;
        height: 40px;
        margin: 0;
    }

    .about-image {
        grid-template-columns: 1fr;
    }

    .about-card:first-child {
        grid-column: span 1;
    }

    .cta-content h2 {
        font-size: 2rem;
    }

    .cta-actions {
        flex-direction: column;
        align-items: center;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand .logo {
        justify-content: center;
    }

    .footer-brand p {
        margin: 0 auto 1.5rem;
    }

    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-content h1 {
        font-size: 1.875rem;
    }

    .trading-card {
        padding: 1.5rem;
    }

    .trading-card-price {
        font-size: 1.5rem;
    }

    .features,
    .how-it-works,
    .about,
    .testimonials,
    .cta,
    .contact {
        padding: 60px 0;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .contact-form {
        padding: 1.5rem;
    }
}