/* Landing Page Styles - Enhanced */

:root {
    --hero-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --accent-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --success-gradient: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --warning-gradient: linear-gradient(135deg, #f2994a 0%, #f2c94c 100%);
}

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

body {
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
    background: #fff;
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

/* Animated Background Particles */
@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.8; }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes shimmer {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Navigation - Enhanced */
.landing-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
    z-index: 1000;
    padding: 15px 0;
    transition: all 0.3s ease;
    animation: slideInUp 0.6s ease;
}

.landing-nav::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.3), transparent);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    background: var(--hero-gradient);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient-shift 3s ease infinite;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.nav-logo:hover {
    transform: scale(1.05);
}

.nav-logo i {
    animation: pulse 2s ease infinite;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu li {
    position: relative;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 5px 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--hero-gradient);
    transition: width 0.3s ease;
}

.nav-menu a:hover {
    color: #667eea;
}

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

.nav-actions {
    display: flex;
    gap: 15px;
}

.btn-nav-login, .btn-nav-register {
    padding: 12px 28px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-nav-login {
    color: #667eea;
    background: transparent;
}

.btn-nav-login:hover {
    background: rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

.btn-nav-register {
    background: var(--hero-gradient);
    background-size: 200% 200%;
    color: #fff;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    animation: gradient-shift 3s ease infinite;
}

.btn-nav-register::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-nav-register:hover::before {
    width: 300px;
    height: 300px;
}

.btn-nav-register:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.5);
}

.nav-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: #667eea;
    transition: transform 0.3s ease;
    background: none;
    border: none;
    padding: 10px;
}

.nav-toggle:hover {
    transform: rotate(90deg);
}

.nav-toggle.active i::before {
    content: "\f00d";
}

/* Hero Section - Enhanced */
.hero-section {
    padding: 150px 0 100px;
    background: var(--hero-gradient);
    background-size: 400% 400%;
    position: relative;
    overflow: hidden;
    animation: gradient-shift 15s ease infinite;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
    animation: float 25s ease-in-out infinite reverse;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    animation: slideInLeft 0.8s ease;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 25px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    animation: pulse 2s ease infinite;
}

.hero-badge i {
    color: #ffd700;
    animation: pulse 1.5s ease infinite;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 20px;
    animation: slideInUp 0.8s ease 0.2s both;
}

.gradient-text {
    background: linear-gradient(135deg, #fff 0%, #ffd700 50%, #fff 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient-shift 3s ease infinite;
    display: inline-block;
}

.hero-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 35px;
    line-height: 1.7;
    animation: slideInUp 0.8s ease 0.4s both;
}

.hero-actions {
    display: flex;
    gap: 15px;
    margin-bottom: 50px;
    animation: slideInUp 0.8s ease 0.6s both;
}

.btn-hero-primary, .btn-hero-secondary {
    padding: 16px 40px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    font-size: 16px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-hero-primary {
    background: #fff;
    color: #667eea;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.btn-hero-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(102, 126, 234, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-hero-primary:hover::before {
    width: 400px;
    height: 400px;
}

.btn-hero-primary:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.3);
}

.btn-hero-secondary {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-hero-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.5);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    animation: slideInUp 0.8s ease 0.8s both;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.stat-number {
    font-size: 40px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 8px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.hero-image {
    position: relative;
    height: 500px;
    animation: slideInRight 0.8s ease;
}

.hero-card {
    position: absolute;
    background: #fff;
    border-radius: 20px;
    padding: 25px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 15px;
    animation: float 3s ease-in-out infinite;
    transition: all 0.3s ease;
}

.hero-card:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.2);
}

.hero-card i {
    font-size: 36px;
    background: var(--hero-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.card-title {
    font-size: 13px;
    color: #666;
    margin-bottom: 5px;
    font-weight: 500;
}

.card-value {
    font-size: 22px;
    font-weight: 800;
    color: #333;
}

.card-1 {
    top: 50px;
    left: 50px;
    animation-delay: 0s;
}

.card-2 {
    top: 200px;
    right: 50px;
    animation-delay: 1s;
}

.card-3 {
    bottom: 50px;
    left: 100px;
    animation-delay: 2s;
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 1;
}

.hero-wave svg {
    display: block;
    width: 100%;
    height: 120px;
}

/* Features Section - Enhanced */
.features-section {
    padding: 100px 0;
    background: #fff;
    position: relative;
}

.features-section .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
    animation: fadeIn 1s ease;
}

.section-badge {
    display: inline-block;
    padding: 10px 24px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    color: #667eea;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 20px;
    border: 2px solid rgba(102, 126, 234, 0.2);
    animation: pulse 2s ease infinite;
}

.section-title {
    font-size: 42px;
    font-weight: 800;
    color: #1a1a1a;
    margin-bottom: 15px;
    background: linear-gradient(135deg, #1a1a1a 0%, #667eea 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    font-size: 18px;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    padding: 40px 30px;
    background: #fff;
    border-radius: 20px;
    border: 2px solid #f0f0f0;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    animation: slideInUp 0.6s ease both;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--hero-gradient);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 0;
}

.feature-card:hover::before {
    opacity: 0.05;
}

.feature-card:hover {
    border-color: #667eea;
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.2);
}

.feature-card > * {
    position: relative;
    z-index: 1;
}

.feature-icon {
    width: 70px;
    height: 70px;
    border-radius: 16px;
    background: var(--hero-gradient);
    background-size: 200% 200%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    transition: all 0.4s ease;
    animation: gradient-shift 3s ease infinite;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.4);
}

.feature-icon i {
    font-size: 32px;
    color: #fff;
}

.feature-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

.feature-card:hover h3 {
    color: #667eea;
}

.feature-card p {
    font-size: 15px;
    color: #666;
    line-height: 1.7;
}

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }
.feature-card:nth-child(4) { animation-delay: 0.4s; }
.feature-card:nth-child(5) { animation-delay: 0.5s; }
.feature-card:nth-child(6) { animation-delay: 0.6s; }
.feature-card:nth-child(7) { animation-delay: 0.7s; }
.feature-card:nth-child(8) { animation-delay: 0.8s; }
.feature-card:nth-child(9) { animation-delay: 0.9s; }

/* Pricing Section - Enhanced */
.pricing-section {
    padding: 100px 0;
    background: linear-gradient(180deg, #f9fafb 0%, #fff 100%);
    position: relative;
}

.pricing-section .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.pricing-card {
    background: #fff;
    border-radius: 24px;
    padding: 45px 35px;
    border: 2px solid #e5e7eb;
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    animation: slideInUp 0.6s ease both;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(102, 126, 234, 0.1), transparent 30%);
    animation: rotate 6s linear infinite;
    opacity: 0;
    transition: opacity 0.5s ease;
}

@keyframes rotate {
    100% { transform: rotate(360deg); }
}

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

.pricing-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 30px 80px rgba(102, 126, 234, 0.25);
    border-color: #667eea;
}

.pricing-card.popular {
    border-color: #667eea;
    transform: scale(1.08);
    box-shadow: 0 25px 70px rgba(102, 126, 234, 0.3);
    background: linear-gradient(135deg, #fff 0%, #f8f9ff 100%);
}

.pricing-card.popular:hover {
    transform: scale(1.08) translateY(-15px);
    box-shadow: 0 35px 90px rgba(102, 126, 234, 0.4);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--hero-gradient);
    background-size: 200% 200%;
    color: #fff;
    padding: 10px 28px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 700;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
    animation: gradient-shift 3s ease infinite, pulse 2s ease infinite;
}

.pricing-header {
    position: relative;
    z-index: 1;
}

.pricing-header h3 {
    font-size: 26px;
    font-weight: 800;
    color: #1a1a1a;
    margin-bottom: 20px;
}

.pricing-price {
    display: flex;
    align-items: baseline;
    margin-bottom: 15px;
}

.currency {
    font-size: 28px;
    color: #667eea;
    font-weight: 700;
    margin-right: 5px;
}

.amount {
    font-size: 56px;
    font-weight: 900;
    background: var(--hero-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.period {
    font-size: 18px;
    color: #666;
    margin-left: 8px;
}

.pricing-desc {
    color: #666;
    margin-bottom: 35px;
    font-size: 15px;
}

.pricing-features {
    list-style: none;
    margin-bottom: 35px;
    position: relative;
    z-index: 1;
}

.pricing-features li {
    padding: 14px 0;
    color: #333;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    transition: all 0.3s ease;
}

.pricing-features li:hover {
    padding-left: 10px;
    color: #667eea;
}

.pricing-features i {
    color: #10b981;
    font-size: 20px;
    transition: transform 0.3s ease;
}

.pricing-features li:hover i {
    transform: scale(1.2);
}

.btn-pricing {
    display: block;
    width: 100%;
    padding: 16px;
    background: var(--hero-gradient);
    background-size: 200% 200%;
    color: #fff;
    text-align: center;
    text-decoration: none;
    border-radius: 14px;
    font-weight: 700;
    font-size: 16px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
    animation: gradient-shift 3s ease infinite;
}

.btn-pricing::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-pricing:hover::before {
    width: 400px;
    height: 400px;
}

.btn-pricing:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.5);
}

.pricing-card:nth-child(1) { animation-delay: 0.1s; }
.pricing-card:nth-child(2) { animation-delay: 0.2s; }
.pricing-card:nth-child(3) { animation-delay: 0.3s; }
.pricing-card:nth-child(4) { animation-delay: 0.4s; }

/* About Section - Enhanced */
.about-section {
    padding: 100px 0;
    background: #fff;
}

.about-section .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.about-content {
    animation: slideInLeft 0.8s ease;
}

.about-features {
    margin-top: 30px;
}

.about-feature {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
    animation: slideInUp 0.6s ease both;
}

.about-feature:nth-child(1) { animation-delay: 0.2s; }
.about-feature:nth-child(2) { animation-delay: 0.4s; }
.about-feature:nth-child(3) { animation-delay: 0.6s; }

.about-feature i {
    font-size: 28px;
    color: #10b981;
    flex-shrink: 0;
    animation: pulse 2s ease infinite;
}

.about-feature h4 {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.about-feature p {
    color: #666;
    line-height: 1.7;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    animation: slideInRight 0.8s ease;
}

.stat-card {
    padding: 35px;
    background: var(--hero-gradient);
    background-size: 200% 200%;
    border-radius: 20px;
    text-align: center;
    color: #fff;
    transition: all 0.4s ease;
    animation: gradient-shift 3s ease infinite;
    box-shadow: 0 10px 40px rgba(102, 126, 234, 0.3);
}

.stat-card:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.4);
}

.stat-card i {
    font-size: 42px;
    margin-bottom: 15px;
    opacity: 0.95;
}

.stat-card h3 {
    font-size: 36px;
    font-weight: 900;
    margin-bottom: 8px;
}

.stat-card p {
    font-size: 15px;
    opacity: 0.95;
}

/* CTA Section - Enhanced */
.cta-section {
    padding: 100px 0;
    background: var(--hero-gradient);
    background-size: 400% 400%;
    text-align: center;
    position: relative;
    overflow: hidden;
    animation: gradient-shift 15s ease infinite;
}

.cta-section .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite;
}

.cta-content {
    position: relative;
    z-index: 1;
    animation: fadeIn 1s ease;
}

.cta-content h2 {
    font-size: 48px;
    font-weight: 900;
    color: #fff;
    margin-bottom: 20px;
    animation: slideInUp 0.8s ease;
}

.cta-content p {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 40px;
    animation: slideInUp 0.8s ease 0.2s both;
}

.cta-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    animation: slideInUp 0.8s ease 0.4s both;
}

.btn-cta-primary, .btn-cta-secondary {
    padding: 18px 45px;
    border-radius: 14px;
    text-decoration: none;
    font-weight: 700;
    font-size: 17px;
    transition: all 0.4s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-cta-primary {
    background: #fff;
    color: #667eea;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.btn-cta-primary:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.3);
}

.btn-cta-secondary {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-cta-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-5px);
}

/* Contact Section - Enhanced */
.contact-section {
    padding: 100px 0;
    background: #f9fafb;
}

.contact-section .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    margin-top: 60px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    animation: slideInLeft 0.6s ease both;
}

.contact-item:nth-child(1) { animation-delay: 0.1s; }
.contact-item:nth-child(2) { animation-delay: 0.2s; }
.contact-item:nth-child(3) { animation-delay: 0.3s; }

.contact-item i {
    font-size: 28px;
    color: #667eea;
    flex-shrink: 0;
    animation: pulse 2s ease infinite;
}

.contact-item h4 {
    font-size: 18px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 5px;
}

.contact-item p {
    color: #666;
}

.contact-form {
    background: #fff;
    padding: 45px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    animation: slideInRight 0.8s ease;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 16px;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    font-size: 15px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
    font-family: 'Inter', sans-serif;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

.btn-contact {
    width: 100%;
    padding: 16px;
    background: var(--hero-gradient);
    background-size: 200% 200%;
    color: #fff;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.4s ease;
    animation: gradient-shift 3s ease infinite;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.btn-contact:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.5);
}

/* Footer - Enhanced */
.landing-footer {
    background: #1a1a1a;
    color: #fff;
    padding: 60px 0 30px;
    position: relative;
}

.landing-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.5), transparent);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
}

.footer-logo i {
    font-size: 28px;
    color: #667eea;
    animation: pulse 2s ease infinite;
}

.footer-desc {
    color: #999;
    line-height: 1.7;
    margin-bottom: 20px;
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(102, 126, 234, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #667eea;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: var(--hero-gradient);
    color: #fff;
    transform: translateY(-5px);
}

.footer-col h4 {
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: 700;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col a {
    color: #999;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.footer-col a:hover {
    color: #fff;
    padding-left: 5px;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.footer-contact i {
    color: #667eea;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom-links {
    display: flex;
    gap: 20px;
}

.footer-bottom-links a {
    color: #999;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-bottom-links a:hover {
    color: #fff;
}

/* Registration */
.register-section {
    padding: 120px 0 80px;
    background: linear-gradient(180deg, #f9fafb 0%, #fff 100%);
}

.register-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

.register-form {
    background: #fff;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.form-section {
    margin-bottom: 40px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.plan-selection {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.plan-option {
    padding: 20px;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s;
}

.plan-option.selected, .plan-option:hover {
    border-color: #667eea;
    background: rgba(102, 126, 234, 0.05);
    transform: scale(1.02);
}

.btn-register {
    width: 100%;
    padding: 18px;
    background: var(--hero-gradient);
    background-size: 200% 200%;
    color: #fff;
    border: none;
    border-radius: 14px;
    font-size: 17px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.4s ease;
    animation: gradient-shift 3s ease infinite;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.btn-register:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.5);
}

.register-header {
    text-align: center;
    margin-bottom: 50px;
    animation: fadeIn 1s ease;
}

.register-header h1 {
    font-size: 42px;
    font-weight: 800;
    background: var(--hero-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 15px;
}

.register-form {
    background: #fff;
    padding: 50px;
    border-radius: 24px;
    box-shadow: 0 10px 60px rgba(0, 0, 0, 0.1);
    animation: slideInUp 0.8s ease;
}

.form-section h3 {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #1a1a1a;
    margin-bottom: 25px;
    font-size: 22px;
}

.form-section h3 i {
    color: #667eea;
}

.success-section {
    padding: 150px 0;
    text-align: center;
    background: linear-gradient(180deg, #f9fafb 0%, #fff 100%);
}

.success-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.success-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto 30px;
    background: var(--success-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse 2s ease infinite;
}

.success-icon i {
    font-size: 60px;
    color: #fff;
}

.success-section h1 {
    font-size: 42px;
    font-weight: 800;
    color: #1a1a1a;
    margin-bottom: 20px;
    animation: slideInUp 0.8s ease;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-container {
        position: relative;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 80%;
        max-width: 300px;
        height: calc(100vh - 70px);
        background: #fff;
        flex-direction: column;
        padding: 20px;
        box-shadow: 2px 0 10px rgba(0,0,0,0.1);
        transition: left 0.3s ease;
        z-index: 999;
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin-bottom: 15px;
        width: 100%;
    }
    
    .nav-menu a {
        display: block;
        padding: 12px 15px;
        border-radius: 8px;
        transition: all 0.3s ease;
    }
    
    .nav-menu a:hover {
        background: rgba(102, 126, 234, 0.1);
    }
    
    .nav-actions {
        flex-direction: column;
        width: 100%;
        gap: 10px;
        margin-top: 20px;
    }
    
    .btn-nav-login, .btn-nav-register {
        width: 100%;
        text-align: center;
        justify-content: center;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-image {
        display: none;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        padding: 0 15px;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        padding: 0 15px;
    }
    
    .pricing-card.popular {
        transform: scale(1);
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        padding: 0 15px;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        padding: 0 15px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .section-subtitle {
        font-size: 16px;
    }
    
    .cta-content h2 {
        font-size: 28px;
    }
    
    .cta-content p {
        font-size: 16px;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-hero-primary, .btn-hero-secondary {
        width: 100%;
        justify-content: center;
    }
    
    .cta-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-cta-primary, .btn-cta-secondary {
        width: 100%;
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .register-form {
        padding: 30px 20px;
    }
    
    .register-header h1 {
        font-size: 32px;
    }
    
    .plan-selection {
        grid-template-columns: 1fr;
    }
}
