/* ============================================
   KUNAL - Modern SaaS Landing Page
   Design System: Acid Neon + Copper & Slate
   ============================================ */

/* CSS Variables */
:root {
    /* Colors - Acid Neon + Copper & Slate */
    --color-primary: #CCFF00;
    --color-primary-dark: #B8E600;
    --color-accent: #FF3CAC;
    --color-accent-light: #FF6B9D;
    --color-bg-dark: #0D0D0D;
    --color-bg-darker: #1A1A2E;
    --color-bg-card: #1E1E2F;
    --color-text-primary: #F5F0EB;
    --color-text-secondary: #A39E93;
    --color-text-muted: #6B6B7B;
    --color-copper: #B87333;
    --color-copper-light: #D4A574;
    --color-slate: #2F3640;
    
    /* Typography */
    --font-display: 'Clash Display', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(204, 255, 0, 0.3);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg-dark);
    color: var(--color-text-primary);
    line-height: 1.6;
    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;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(13, 13, 13, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-base);
}

.navbar.scrolled {
    background: rgba(13, 13, 13, 0.95);
}

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

.logo {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav-menu a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    position: relative;
}

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

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

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

.nav-cta {
    background: var(--color-primary);
    color: var(--color-bg-dark) !important;
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-full);
    font-weight: 600 !important;
}

.nav-cta::after {
    display: none !important;
}

.nav-cta:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--color-text-primary);
    transition: var(--transition-base);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: var(--space-3xl) var(--space-md);
    overflow: hidden;
}

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

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.5;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--color-primary);
    top: -200px;
    right: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--color-accent);
    bottom: -100px;
    left: -100px;
    animation-delay: -5s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: var(--color-copper);
    top: 50%;
    left: 30%;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(50px, -50px) scale(1.1); }
    50% { transform: translate(0, 50px) scale(0.9); }
    75% { transform: translate(-50px, -25px) scale(1.05); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 700px;
    animation: fadeInUp 1s ease-out;
}

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

.hero-eyebrow {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
    padding: 0.5rem 1rem;
    background: rgba(204, 255, 0, 0.1);
    border: 1px solid rgba(204, 255, 0, 0.3);
    border-radius: var(--radius-full);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-2xl);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-primary);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-3px);
}

.btn-outline {
    background: transparent;
    color: var(--color-text-primary);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    background: rgba(204, 255, 0, 0.1);
    color: var(--color-primary);
}

.btn-full {
    width: 100%;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-2xl);
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Hero Visual */
.hero-visual {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1;
    display: none;
}

.floating-card {
    background: rgba(30, 30, 47, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    animation: floatCard 6s ease-in-out infinite;
    box-shadow: var(--shadow-lg);
}

.card-1 {
    margin-bottom: var(--space-md);
    animation-delay: 0s;
}

.card-2 {
    margin-left: var(--space-lg);
    animation-delay: -3s;
}

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

.card-icon {
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.card-text {
    display: flex;
    flex-direction: column;
}

.card-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.card-value {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

/* ============================================
   SECTIONS COMMON
   ============================================ */
section {
    padding: var(--space-3xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
}

.section-eyebrow {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--space-sm);
    color: var(--color-text-primary);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.feature-card {
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform: scaleX(0);
    transition: var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(204, 255, 0, 0.2);
    box-shadow: var(--shadow-lg);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(204, 255, 0, 0.1);
    border: 1px solid rgba(204, 255, 0, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
    transition: var(--transition-base);
}

.feature-card:hover .feature-icon {
    background: var(--color-primary);
    color: var(--color-bg-dark);
    transform: scale(1.1);
}

.feature-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
    color: var(--color-text-primary);
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */
.testimonials {
    background: var(--color-bg-darker);
    overflow: hidden;
}

.testimonial-carousel {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.testimonial-track {
    display: flex;
    transition: transform 0.5s ease;
}

.testimonial-card {
    min-width: 100%;
    padding: 0 var(--space-md);
    opacity: 0;
    transform: scale(0.95);
    transition: all 0.5s ease;
    position: absolute;
    top: 0;
    left: 0;
}

.testimonial-card.active {
    opacity: 1;
    transform: scale(1);
    position: relative;
}

.testimonial-content {
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    text-align: center;
    position: relative;
}

.quote-icon {
    font-family: var(--font-display);
    font-size: 4rem;
    color: var(--color-primary);
    line-height: 1;
    opacity: 0.3;
    margin-bottom: var(--space-sm);
}

.testimonial-text {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--color-text-primary);
    margin-bottom: var(--space-xl);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.author-avatar {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--color-bg-dark);
    font-size: 1.1rem;
}

.author-info {
    text-align: left;
}

.author-name {
    display: block;
    font-weight: 600;
    color: var(--color-text-primary);
}

.author-title {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* Carousel Controls */
.carousel-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.carousel-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: var(--color-bg-card);
    color: var(--color-text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}

.carousel-btn:hover {
    background: var(--color-primary);
    color: var(--color-bg-dark);
    border-color: var(--color-primary);
    transform: scale(1.1);
}

.carousel-dots {
    display: flex;
    gap: var(--space-xs);
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    cursor: pointer;
    transition: var(--transition-base);
}

.dot.active {
    background: var(--color-primary);
    width: 30px;
    border-radius: var(--radius-full);
}

/* ============================================
   PRICING SECTION
   ============================================ */
.pricing {
    background: var(--color-bg-dark);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    max-width: 1000px;
    margin: 0 auto;
    align-items: start;
}

.pricing-card {
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    position: relative;
    transition: var(--transition-base);
}

.pricing-card:hover {
    transform: translateY(-8px);
    border-color: rgba(204, 255, 0, 0.2);
}

.pricing-card.featured {
    background: linear-gradient(180deg, var(--color-bg-card) 0%, rgba(204, 255, 0, 0.05) 100%);
    border-color: var(--color-primary);
    transform: scale(1.05);
    z-index: 1;
}

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

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: var(--color-bg-dark);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.4rem 1rem;
    border-radius: var(--radius-full);
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.plan-name {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--color-text-primary);
}

.plan-price {
    margin-bottom: var(--space-xs);
}

.plan-price .currency {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    vertical-align: top;
}

.plan-price .amount {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1;
}

.plan-price .period {
    font-size: 1rem;
    color: var(--color-text-muted);
}

.plan-description {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.pricing-features {
    margin-bottom: var(--space-xl);
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    font-size: 0.95rem;
    color: var(--color-text-primary);
}

.pricing-features li.disabled {
    color: var(--color-text-muted);
}

.pricing-features li.disabled svg {
    color: var(--color-text-muted);
}

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

/* ============================================
   REGISTRATION SECTION
   ============================================ */
.registration {
    background: linear-gradient(180deg, var(--color-bg-darker) 0%, var(--color-bg-dark) 100%);
    padding: var(--space-3xl) 0;
}

.registration-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
}

.registration-content {
    animation: fadeInLeft 1s ease-out;
}

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

.registration-content .section-title {
    text-align: left;
}

.registration-content .section-subtitle {
    text-align: left;
    margin-bottom: var(--space-xl);
}

.registration-benefits {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.benefit {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1rem;
    color: var(--color-text-secondary);
}

.benefit-icon {
    width: 40px;
    height: 40px;
    background: rgba(204, 255, 0, 0.1);
    border: 1px solid rgba(204, 255, 0, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

/* Registration Form */
.registration-form-wrapper {
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-lg);
    animation: fadeInRight 1s ease-out;
}

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

.registration-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.form-group {
    position: relative;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: var(--space-xs);
}

.form-group input {
    width: 100%;
    padding: 1rem 1.25rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-base);
}

.form-group input::placeholder {
    color: var(--color-text-muted);
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: rgba(204, 255, 0, 0.03);
    box-shadow: 0 0 0 3px rgba(204, 255, 0, 0.1);
}

.form-group input:invalid:not(:placeholder-shown) {
    border-color: var(--color-accent);
}

.form-group input:valid:not(:placeholder-shown) {
    border-color: rgba(204, 255, 0, 0.5);
}

.error-message {
    display: none;
    font-size: 0.8rem;
    color: var(--color-accent);
    margin-top: 0.25rem;
}

.form-group input:invalid:not(:placeholder-shown) ~ .error-message {
    display: block;
}

.btn-loader {
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(13, 13, 13, 0.3);
    border-top-color: var(--color-bg-dark);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.btn.loading .btn-text {
    opacity: 0.7;
}

.btn.loading .btn-loader {
    display: block;
    position: absolute;
}

/* Success Message */
.success-message {
    display: none;
    text-align: center;
    padding: var(--space-xl);
}

.success-message.show {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.success-icon {
    font-size: 4rem;
    margin-bottom: var(--space-md);
}

.success-message h3 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    margin-bottom: var(--space-sm);
    color: var(--color-text-primary);
}

.success-message p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.uid-display {
    display: inline-block;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: var(--color-bg-dark);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-md);
    margin: var(--space-md) 0;
    letter-spacing: 0.05em;
}

.success-note {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-bg-darker);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--space-3xl) 0 var(--space-xl);
}

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

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    display: inline-block;
    margin-bottom: var(--space-sm);
}

.footer-tagline {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--space-lg);
    max-width: 250px;
}

.social-links {
    display: flex;
    gap: var(--space-sm);
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    transition: var(--transition-base);
}

.social-links a:hover {
    background: var(--color-primary);
    color: var(--color-bg-dark);
    transform: translateY(-3px);
}

.footer-links h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}

.footer-links li {
    margin-bottom: var(--space-xs);
}

.footer-links a {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    transition: var(--transition-base);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

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

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .hero-visual {
        display: none;
    }
    
    .registration-wrapper {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .registration-content .section-title,
    .registration-content .section-subtitle {
        text-align: center;
    }
    
    .registration-benefits {
        align-items: center;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--color-bg-dark);
        flex-direction: column;
        padding: var(--space-lg);
        gap: var(--space-md);
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        transform: translateY(-150%);
        transition: var(--transition-base);
        opacity: 0;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .hero {
        padding-top: 100px;
    }
    
    .hero-stats {
        gap: var(--space-lg);
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-8px);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-tagline {
        margin: 0 auto var(--space-lg);
    }
    
    .social-links {
        justify-content: center;
    }
    
    .footer-links h4 {
        margin-top: var(--space-lg);
    }
}

@media (max-width: 480px) {
    :root {
        --space-3xl: 4rem;
        --space-2xl: 2.5rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonial-content {
        padding: var(--space-lg);
    }
    
    .testimonial-text {
        font-size: 1rem;
    }
    
    .registration-form-wrapper {
        padding: var(--space-lg);
    }
}

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

/* Focus styles */
a:focus-visible,
button:focus-visible,
input:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --color-text-secondary: #FFFFFF;
        --color-text-muted: #CCCCCC;
    }
}