/* Premium Design System */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #06b6d4;
    --accent: #f59e0b;
    --success: #10b981;
    --dark: #0f0f1a;
    --darker: #070710;
    --light: #f8fafc;
    --gray: #64748b;
    --gray-light: #e2e8f0;
    --gray-dark: #334155;
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    --gradient-secondary: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --gradient-dark: linear-gradient(180deg, #0f0f1a 0%, #1a1a2e 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
    --shadow-glow-lg: 0 0 80px rgba(99, 102, 241, 0.4);
    --radius: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    
    /* Dark mode colors (default) */
    --bg-primary: #070710;
    --bg-secondary: #0f0f1a;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.08);
    --text-primary: #f8fafc;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);
    --border-color: rgba(255, 255, 255, 0.08);
    --header-bg: rgba(15, 15, 26, 0.8);
}

/* Light Mode */
[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-card: rgba(99, 102, 241, 0.05);
    --bg-card-hover: rgba(99, 102, 241, 0.1);
    --text-primary: #1a1a2e;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --border-color: rgba(99, 102, 241, 0.15);
    --header-bg: rgba(255, 255, 255, 0.9);
}

/* Theme Toggle Button */
.theme-toggle {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--gradient-primary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow-glow);
    z-index: 9999;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.theme-toggle:hover {
    transform: scale(1.1) rotate(15deg);
    box-shadow: var(--shadow-glow-lg);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
    position: absolute;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.theme-toggle .icon-sun {
    opacity: 0;
    transform: rotate(-90deg) scale(0);
}

.theme-toggle .icon-moon {
    opacity: 1;
    transform: rotate(0) scale(1);
}

[data-theme="light"] .theme-toggle .icon-sun {
    opacity: 1;
    transform: rotate(0) scale(1);
}

[data-theme="light"] .theme-toggle .icon-moon {
    opacity: 0;
    transform: rotate(90deg) scale(0);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background 0.4s ease, color 0.4s ease;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Premium Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 12px 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--header-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: background 0.4s ease;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 1;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 800;
    font-size: 1.6rem;
    letter-spacing: -0.02em;
}

.logo-icon {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.logo-icon svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 2px 8px rgba(99, 102, 241, 0.4));
    transition: transform 0.3s ease, filter 0.3s ease;
}

.logo:hover .logo-icon svg {
    transform: scale(1.08);
    filter: drop-shadow(0 4px 12px rgba(99, 102, 241, 0.5));
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    padding: 10px 16px;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.nav-links a:hover {
    color: var(--text-primary);
    background: var(--bg-card-hover);
}


.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: background 0.3s;
}

.mobile-menu-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: 0.3s;
}

/* Premium Hero Section */
.hero {
    min-height: 100vh;
    padding: 140px 0 100px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 40% 80%, rgba(6, 182, 212, 0.08) 0%, transparent 40%);
    animation: heroGlow 15s ease-in-out infinite;
}

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

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--gradient-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}

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

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 520px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 50px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-glow);
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.3s;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-glow-lg);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary-light);
    transform: translateY(-2px);
}

.hero-stats {
    display: flex;
    gap: 48px;
}

.stat {
    text-align: left;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Premium Phone Mockup */
.hero-image {
    display: flex;
    justify-content: center;
}

.phone-mockup {
    width: 300px;
    height: 620px;
    background: linear-gradient(145deg, #2a2a3e 0%, #1a1a28 100%);
    border-radius: 50px;
    padding: 12px;
    box-shadow: 
        0 50px 100px -20px rgba(0, 0, 0, 0.5),
        0 30px 60px -30px rgba(0, 0, 0, 0.4),
        inset 0 1px 2px rgba(255, 255, 255, 0.1),
        0 0 0 1px rgba(255, 255, 255, 0.05);
    position: relative;
    transform: perspective(1000px) rotateY(-5deg) rotateX(2deg);
    transition: transform 0.5s ease;
}

.phone-mockup:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 0;
    left: 20%;
    right: 20%;
    height: 4px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    border-radius: 0 0 10px 10px;
}

.phone-notch {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 130px;
    height: 32px;
    background: #1a1a28;
    border-radius: 0 0 20px 20px;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.phone-notch::before {
    content: '';
    width: 10px;
    height: 10px;
    background: #2a2a3e;
    border-radius: 50%;
    box-shadow: inset 0 0 3px rgba(0,0,0,0.5);
}

.phone-notch::after {
    content: '';
    width: 50px;
    height: 6px;
    background: #2a2a3e;
    border-radius: 10px;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #1a1a2e 0%, #0f0f1a 100%);
    border-radius: 42px;
    overflow: hidden;
    position: relative;
}

.app-preview {
    height: 100%;
    display: flex;
    flex-direction: column;
    background: linear-gradient(180deg, #12121f 0%, #0a0a14 100%);
}

.app-status-bar {
    display: flex;
    justify-content: space-between;
    padding: 14px 24px 10px;
    font-size: 0.75rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
}

.app-header-preview {
    text-align: center;
    font-size: 1.4rem;
    font-weight: 700;
    padding: 15px 0 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.app-logo-mini {
    font-size: 1.6rem;
    filter: drop-shadow(0 0 8px rgba(99, 102, 241, 0.5));
}

.tools-grid-preview {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    padding: 0 16px;
    flex: 1;
}

.tool-item-preview {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 18px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 14px 8px;
    transition: all 0.3s ease;
}

.tool-item-preview:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.05);
}

.tool-item-preview span {
    font-size: 1.8rem;
    margin-bottom: 6px;
}

.tool-item-preview small {
    font-size: 0.65rem;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 500;
}

.app-nav-preview {
    display: flex;
    justify-content: space-around;
    padding: 18px 30px;
    background: rgba(255, 255, 255, 0.03);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 1.4rem;
}


/* Premium Features Section */
.features {
    padding: 120px 0;
    position: relative;
    background: var(--bg-primary);
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.3), transparent);
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-header p {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* Feature Categories */
.feature-category {
    margin-bottom: 80px;
}

.category-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 32px;
    padding-bottom: 16px;
    border-bottom: 2px solid rgba(99, 102, 241, 0.3);
    display: inline-block;
    color: var(--text-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 28px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.4s;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(99, 102, 241, 0.4);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.15);
}

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

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

.feature-icon {
    font-size: 2.8rem;
    margin-bottom: 16px;
    display: block;
}

.feature-card h3,
.feature-card h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Premium Download Section */
.download {
    padding: 120px 0;
    position: relative;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.download::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.store-btn {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
}

.store-btn:hover {
    transform: translateY(-4px);
    background: var(--bg-card-hover);
    border-color: rgba(99, 102, 241, 0.5);
    box-shadow: var(--shadow-glow);
}

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

.store-label {
    font-size: 0.7rem;
    opacity: 0.7;
    letter-spacing: 0.05em;
}

.store-name {
    font-size: 1.3rem;
    font-weight: 700;
}


/* Premium Footer */
.footer {
    background: var(--bg-secondary);
    padding: 80px 0 40px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: 16px;
    max-width: 320px;
    line-height: 1.7;
}

.footer-links h4 {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

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

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.3s;
    font-size: 0.95rem;
}

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

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 32px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Premium Page Styles */
.page-hero {
    padding: 160px 0 80px;
    text-align: center;
    position: relative;
    background: var(--bg-primary);
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.15) 0%, transparent 60%);
}

.page-hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 16px;
    position: relative;
    letter-spacing: -0.02em;
}

.page-hero p {
    color: var(--text-muted);
    font-size: 1.15rem;
    position: relative;
}

.page-content {
    padding: 80px 0;
    background: var(--bg-primary);
}

.content-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.content-wrapper h2 {
    font-size: 1.6rem;
    font-weight: 700;
    margin: 48px 0 20px;
    color: var(--text-primary);
}

.content-wrapper h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 36px 0 14px;
    color: var(--primary-light);
}

.content-wrapper p {
    color: var(--text-secondary);
    margin-bottom: 18px;
    line-height: 1.8;
}

.content-wrapper ul {
    color: var(--text-secondary);
    margin-left: 24px;
    margin-bottom: 18px;
}

.content-wrapper li {
    margin-bottom: 10px;
    line-height: 1.7;
}

.content-wrapper a {
    color: var(--primary-light);
    text-decoration: none;
    transition: color 0.3s;
}

.content-wrapper a:hover {
    color: var(--text-primary);
}

.last-updated {
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    padding: 16px 24px;
    border-radius: var(--radius);
    margin-bottom: 40px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}


/* Premium Articles Grid */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.article-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.article-card:hover {
    transform: translateY(-8px);
    border-color: rgba(99, 102, 241, 0.4);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.article-image {
    height: 180px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    position: relative;
    overflow: hidden;
}

.article-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.3) 100%);
}

.article-content {
    padding: 28px;
}

.article-tag {
    display: inline-block;
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary-light);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 700;
    margin-bottom: 14px;
    letter-spacing: 0.05em;
}

.article-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
    line-height: 1.4;
}

.article-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 18px;
    line-height: 1.6;
}

.read-more {
    color: var(--primary-light);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s;
}

.read-more:hover {
    color: var(--text-primary);
    gap: 10px;
}

/* Premium Contact Page */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.contact-info > p {
    color: var(--text-muted);
    margin-bottom: 40px;
    line-height: 1.7;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 24px;
}

.contact-icon {
    width: 56px;
    height: 56px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.contact-item strong {
    display: block;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.contact-item p {
    color: var(--text-muted);
    margin: 0;
}

.contact-item a {
    color: var(--primary-light);
    text-decoration: none;
}

.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 40px;
    border-radius: var(--radius-lg);
}

.contact-form h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 28px;
}

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

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
    color: var(--text-primary);
    transition: all 0.3s;
}

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

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.form-group textarea {
    min-height: 140px;
    resize: vertical;
}

.submit-btn {
    width: 100%;
    padding: 18px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.4s;
    box-shadow: var(--shadow-glow);
}

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


/* Responsive Design */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--header-bg);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 24px;
        gap: 8px;
        border-bottom: 1px solid var(--border-color);
        display: none;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links a {
        padding: 14px 20px;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 60px;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-description {
        margin: 0 auto 40px;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-image {
        order: -1;
    }
    
    .phone-mockup {
        width: 260px;
        height: 540px;
        transform: none;
    }
    
    .phone-mockup:hover {
        transform: none;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .section-header h2 {
        font-size: 2.2rem;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .footer-brand p {
        max-width: none;
    }
    
    .page-hero h1 {
        font-size: 2.2rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .btn {
        padding: 14px 24px;
        font-size: 0.95rem;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .phone-mockup {
        width: 240px;
        height: 500px;
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .store-btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
}

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: rgba(99, 102, 241, 0.3);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(99, 102, 241, 0.5);
}

/* Selection */
::selection {
    background: rgba(99, 102, 241, 0.3);
    color: var(--text-primary);
}

/* Language Badge */
.language-badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 16px 24px;
    border-radius: var(--radius);
    margin-top: 24px;
}

.language-badge .flags {
    display: flex;
    gap: 6px;
    font-size: 1.3rem;
}

.language-badge span:last-child {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}


/* Pagination Styles */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 48px;
    flex-wrap: wrap;
}

.pagination a, .pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 44px;
    padding: 0 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.pagination a:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary);
    color: var(--text-primary);
}

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

.pagination .disabled {
    opacity: 0.5;
    pointer-events: none;
}