/* ============================================
   RESET & BASE STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette */
    --gradient-primary: linear-gradient(135deg, #00b2e7 0%, #e064f7 50%, #ff8d6c 100%);
    --gradient-secondary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --color-primary: #00b2e7;
    --color-secondary: #e064f7;
    --color-accent: #ff8d6c;

    /* Neutral Colors */
    --color-white: #ffffff;
    --color-black: #0a0a0a;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-gray-50);
    color: var(--color-gray-800);
    line-height: 1.6;
    overflow-x: hidden;
}

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

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-logo a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    transition: var(--transition-fast);
}

.navbar-logo a:hover {
    opacity: 0.8;
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-nav {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-item a {
    text-decoration: none;
    color: var(--color-gray-700);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    transition: var(--transition-fast);
}

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

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

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

/* ============================================
   HERO SECTION
   ============================================ */
.hero-section {
    margin-top: 80px;
    padding: var(--spacing-3xl) 2rem;
    background: linear-gradient(180deg, var(--color-gray-50) 0%, var(--color-white) 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 178, 231, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 141, 108, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 15s ease-in-out infinite reverse;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 600px;
    animation: fadeInUp 1s ease forwards;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, rgba(0, 178, 231, 0.1), rgba(224, 100, 247, 0.1));
    border: 1px solid rgba(0, 178, 231, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

.badge svg {
    width: 16px;
    height: 16px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

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

.hero-description {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.download-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
}

.store-btn {
    display: inline-block;
    transition: transform var(--transition-base);
}

.store-btn img {
    height: 56px;
    width: auto;
    display: block;
}

.store-btn:hover {
    transform: translateY(-2px);
}

/* Hero Image */
.hero-image {
    position: absolute;
    right: 0;
    top: 80%;
    transform: translateY(-50%);
    width: 500px;
    height: 600px;
}

.phone-mockup {
    position: relative;
    width: 100%;
    height: 100%;
    animation: fadeInRight 1s ease forwards 0.3s;
    opacity: 0;
}

.screenshot-slider {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    border-radius: 30px;
}

.screenshot-track {
    position: relative;
    width: 100%;
    height: 100%;
}

.screenshot {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.15));
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.screenshot.active {
    opacity: 1;
    transform: scale(1);
    z-index: 1;
}

.slider-dots {
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-gray-300);
    cursor: pointer;
    transition: all var(--transition-base);
}

.dot.active {
    width: 24px;
    border-radius: 4px;
    background: var(--gradient-primary);
}

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

.dot.active:hover {
    background: var(--gradient-primary);
}

.floating-card {
    position: absolute;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 1rem 1.25rem;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: floatCard 3s ease-in-out infinite;
}

.floating-card.card-1 {
    top: 15%;
    left: -20%;
    animation-delay: 0s;
}

.floating-card.card-2 {
    bottom: 20%;
    right: -15%;
    animation-delay: 1.5s;
}

.card-icon {
    font-size: 1.75rem;
}

.card-title {
    font-size: 0.75rem;
    color: var(--color-gray-500);
    margin-bottom: 0.25rem;
}

.card-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    padding: var(--spacing-3xl) 2rem;
    background: linear-gradient(135deg, #00b2e7 0%, #e064f7 50%, #ff8d6c 100%);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 1;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.cta-description {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.cta-section .download-buttons {
    justify-content: center;
    margin-bottom: 0;
}

/* ============================================
   LEGAL PAGES
   ============================================ */
.content-section {
    margin-top: 80px;
    padding: var(--spacing-2xl) 2rem;
    background-color: var(--color-gray-50);
    min-height: calc(100vh - 80px);
}

.doc-content {
    max-width: 800px;
    margin: 0 auto;
    background: var(--color-white);
    padding: var(--spacing-xl) var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-200);
}

.doc-content h1 {
    font-size: 2.5rem;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.doc-content .last-updated {
    text-align: center;
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-xl);
    font-size: 0.95rem;
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-200);
}

.doc-content h2 {
    font-size: 1.75rem;
    color: var(--color-gray-900);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.doc-content h3 {
    font-size: 1.25rem;
    color: var(--color-gray-800);
    margin: var(--spacing-md) 0 var(--spacing-sm);
}

.doc-content p,
.doc-content ul {
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-600);
    line-height: 1.8;
}

.doc-content ul {
    padding-left: var(--spacing-lg);
}

.doc-content li {
    margin-bottom: 0.5rem;
}

.doc-content a {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.doc-content a:hover {
    text-decoration: underline;
    color: var(--color-gray-900);
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateY(-50%) translateX(30px);
    }

    to {
        opacity: 1;
        transform: translateY(-50%) translateX(0);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

@keyframes floatCard {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .hero-image {
        position: relative;
        width: 100%;
        height: 500px;
        margin-top: var(--spacing-2xl);
        transform: none;
    }

    .hero-content {
        max-width: 100%;
    }

    .floating-card {
        display: none;
    }
}

@media (max-width: 768px) {
    .navbar-container {
        padding: 1rem 1.5rem;
    }

    .navbar-nav {
        gap: 1.5rem;
    }

    .nav-item a {
        font-size: 0.875rem;
    }

    .hero-section {
        padding: var(--spacing-2xl) 1.5rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .cta-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .download-buttons {
        flex-direction: column;
    }

    .store-btn img {
        height: 48px;
    }

    .cta-title {
        font-size: 1.75rem;
    }
}