/* ===== CSS Variables - Pastel Color Palette ===== */
:root {
    /* Primary Colors - Soft Blues */
    --color-primary: #8B9FD9;
    --color-primary-light: #B8C5E3;
    --color-primary-dark: #6B82C5;

    /* Secondary Colors - Soft Pastels */
    --color-secondary: #D99FB8;
    --color-accent-blue: #6BA5D9;
    --color-accent-green: #6BD99F;
    --color-accent-yellow: #D9B86B;
    --color-accent-red: #D96B6B;

    /* Backgrounds */
    --color-bg: #FDFCFB;
    --color-bg-alt: #F7F6F4;
    --color-bg-section: #FAFAFA;

    /* Text Colors */
    --color-text-primary: #2D3748;
    --color-text-secondary: #4A5568;
    --color-text-muted: #718096;

    /* UI Elements */
    --color-border: #E2E8F0;
    --color-shadow: rgba(139, 159, 217, 0.1);
    --color-white: #FFFFFF;

    /* 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: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Shadows */
    --shadow-sm: 0 2px 8px var(--color-shadow);
    --shadow-md: 0 4px 16px var(--color-shadow);
    --shadow-lg: 0 8px 32px var(--color-shadow);
}

/* ===== Reset & Base Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    color: var(--color-text-primary);
    background-color: var(--color-bg);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text-primary);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }

p {
    line-height: 1.8;
    color: var(--color-text-secondary);
}

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

/* ===== Container ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ===== Header & Navigation ===== */
.header {
    position: sticky;
    top: 0;
    background: rgba(253, 252, 251, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.logo-text {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-menu a {
    color: var(--color-text-secondary);
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.btn-primary-nav {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent-blue) 100%);
    color: var(--color-white) !important;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.burger-menu {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.burger-menu span {
    width: 25px;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: var(--transition-normal);
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent-blue) 100%);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: var(--color-white);
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-cta {
    background: linear-gradient(135deg, var(--color-accent-green) 0%, var(--color-accent-blue) 100%);
    color: var(--color-white);
    padding: var(--spacing-md) var(--spacing-2xl);
    font-size: 1.125rem;
    box-shadow: var(--shadow-lg);
}

.btn-cta:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 48px rgba(107, 217, 159, 0.3);
}

/* ===== Hero Section ===== */
.hero {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-section) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(139, 159, 217, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.gradient-text {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent-blue) 50%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-2xl);
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Phone Mockup */
.phone-mockup {
    position: relative;
    width: 100%;
    max-width: 350px;
    margin: 0 auto;
}

.phone-screen {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    border: 8px solid var(--color-primary-light);
}

.telegram-interface {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.tg-message {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--color-bg-section);
    border-radius: var(--radius-md);
    animation: slideIn 0.5s ease forwards;
    opacity: 0;
}

.tg-message:nth-child(1) {
    animation-delay: 0.2s;
}

.tg-message:nth-child(2) {
    animation-delay: 0.4s;
}

@keyframes slideIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
    from {
        opacity: 0;
        transform: translateY(20px);
    }
}

.tg-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-primary);
    flex-shrink: 0;
}

.tg-content {
    flex: 1;
}

.tg-header {
    font-size: 0.75rem;
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: 4px;
}

.tg-title {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.tg-desc {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 8px;
}

.tg-price {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-accent-green);
}

/* ===== Features Section ===== */
.features {
    padding: var(--spacing-3xl) 0;
    background: var(--color-white);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    margin-bottom: var(--spacing-md);
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    padding: var(--spacing-xl);
    background: var(--color-bg-section);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary-light);
}

.feature-icon {
    margin-bottom: var(--spacing-md);
}

.feature-title {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.feature-description {
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* ===== Two Column Sections ===== */
.for-users,
.for-admins {
    padding: var(--spacing-3xl) 0;
}

.for-users {
    background: var(--color-bg-section);
}

.for-admins {
    background: var(--color-white);
}

.two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.two-column.reverse {
    direction: rtl;
}

.two-column.reverse > * {
    direction: ltr;
}

.label {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, rgba(139, 159, 217, 0.1) 0%, rgba(107, 165, 217, 0.1) 100%);
    color: var(--color-primary);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
}

.column-title {
    margin-bottom: var(--spacing-md);
    font-size: 2.5rem;
}

.column-description {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.benefit-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-white);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.for-admins .benefit-item {
    background: var(--color-bg-section);
}

.benefit-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.benefit-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent-blue) 100%);
    color: var(--color-white);
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.benefit-content h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.benefit-content p {
    font-size: 0.95rem;
}

/* User Flow Visual */
.user-flow {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.flow-step {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-bg-section);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.flow-step:hover {
    background: var(--color-primary-light);
    transform: scale(1.02);
}

.flow-step.active {
    background: linear-gradient(135deg, rgba(107, 217, 159, 0.1) 0%, rgba(107, 165, 217, 0.1) 100%);
    border: 2px solid var(--color-accent-green);
}

.flow-number {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    font-weight: 700;
    flex-shrink: 0;
}

.flow-arrow {
    text-align: center;
    font-size: 1.5rem;
    color: var(--color-primary);
    padding: var(--spacing-xs) 0;
}

.flow-content h4 {
    margin-bottom: 4px;
    color: var(--color-text-primary);
}

.flow-content p {
    font-size: 0.875rem;
}

/* Admin Dashboard */
.admin-dashboard {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent-blue) 100%);
    color: var(--color-white);
}

.status-badge {
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

.moderation-card {
    padding: var(--spacing-lg);
}

.mod-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
}

.mod-type {
    padding: 4px 12px;
    background: rgba(139, 159, 217, 0.1);
    color: var(--color-primary);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
}

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

.mod-content {
    margin-bottom: var(--spacing-md);
}

.mod-content h5 {
    margin-bottom: var(--spacing-xs);
}

.mod-content p {
    font-size: 0.95rem;
}

.mod-ai {
    padding: var(--spacing-md);
    background: rgba(107, 217, 159, 0.1);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.ai-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-accent-green);
    margin-bottom: 4px;
}

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

.mod-stats {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.mod-actions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
}

.mod-btn {
    padding: var(--spacing-sm);
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.mod-btn.approve {
    background: var(--color-accent-green);
    color: var(--color-white);
}

.mod-btn.payment {
    background: var(--color-accent-yellow);
    color: var(--color-white);
}

.mod-btn.reject {
    background: var(--color-accent-red);
    color: var(--color-white);
}

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

/* ===== Timeline (How It Works) ===== */
.how-it-works {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg-section);
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-accent-blue) 100%);
}

.timeline-item {
    position: relative;
    padding-left: 80px;
    margin-bottom: var(--spacing-xl);
}

.timeline-marker {
    position: absolute;
    left: 0;
    top: 0;
}

.timeline-number {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent-blue) 100%);
    color: var(--color-white);
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

.timeline-content {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.timeline-content:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.timeline-content h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

/* ===== Use Cases ===== */
.use-cases {
    padding: var(--spacing-3xl) 0;
    background: var(--color-white);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.case-card {
    padding: var(--spacing-xl);
    background: var(--color-bg-section);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary-light);
}

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

.case-card h3 {
    margin-bottom: var(--spacing-md);
}

.case-card p {
    margin-bottom: var(--spacing-md);
}

.case-example {
    font-size: 0.875rem;
    color: var(--color-primary);
    font-weight: 600;
}

/* ===== Types Section ===== */
.types-section {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg-section);
}

.types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.type-card {
    padding: var(--spacing-lg);
    background: var(--color-white);
    border-radius: var(--radius-md);
    text-align: center;
    transition: all var(--transition-fast);
}

.type-card:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.type-emoji {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.type-card h4 {
    margin-bottom: var(--spacing-xs);
}

.type-card p {
    font-size: 0.875rem;
}

/* ===== CTA Section ===== */
.cta {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent-blue) 100%);
    color: var(--color-white);
    text-align: center;
}

.cta-title {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    font-size: 3rem;
}

.cta-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
}

/* ===== Footer ===== */
.footer {
    background: var(--color-text-primary);
    color: var(--color-white);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

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

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    margin-top: var(--spacing-sm);
}

.footer-links {
    display: flex;
    gap: var(--spacing-3xl);
}

.footer-column h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

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

.footer-column li {
    margin-bottom: var(--spacing-sm);
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--color-white);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

/* ===== Responsive Design ===== */

/* Large tablets and small desktops */
@media (max-width: 1200px) {
    :root {
        --spacing-3xl: 4rem;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    .hero-title {
        font-size: 3rem;
    }

    .section-title {
        font-size: 2.25rem;
    }
}

/* Tablets */
@media (max-width: 968px) {
    :root {
        --spacing-2xl: 3rem;
        --spacing-3xl: 3rem;
    }

    .hero .container,
    .two-column {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

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

    .hero-subtitle {
        text-align: center;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-stats {
        justify-content: center;
        flex-wrap: wrap;
        gap: var(--spacing-lg);
    }

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

    .nav-menu {
        display: none;
    }

    .burger-menu {
        display: flex;
    }

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

    .footer-links {
        flex-direction: column;
        gap: var(--spacing-xl);
    }

    .timeline::before {
        left: 15px;
    }

    .timeline-item {
        padding-left: 60px;
    }

    .timeline-number {
        width: 40px;
        height: 40px;
        font-size: 1.125rem;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .phone-mockup {
        max-width: 300px;
    }

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

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

    .section-subtitle {
        font-size: 1rem;
    }
}

/* Mobile landscape and small tablets */
@media (max-width: 768px) {
    .hero {
        padding: var(--spacing-2xl) 0;
    }

    .features,
    .for-users,
    .for-admins,
    .how-it-works,
    .use-cases,
    .types-section,
    .cta {
        padding: var(--spacing-2xl) 0;
    }

    .hero-image {
        order: -1;
    }

    .column-visual {
        order: -1;
    }

    .two-column.reverse .column-visual {
        order: -1;
    }

    .mod-stats {
        flex-wrap: wrap;
        gap: var(--spacing-xs) var(--spacing-md);
    }

    .mod-stats span {
        font-size: 0.75rem;
    }

    .benefit-item {
        flex-direction: column;
        text-align: center;
    }

    .benefit-icon {
        margin: 0 auto;
    }

    .flow-step {
        flex-direction: column;
        text-align: center;
    }

    .flow-number {
        margin: 0 auto;
    }
}

/* Mobile devices */
@media (max-width: 640px) {
    :root {
        --spacing-xl: 1.5rem;
        --spacing-2xl: 2rem;
        --spacing-3xl: 2.5rem;
    }

    html {
        font-size: 14px;
    }

    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }

    .hero-title {
        font-size: 1.75rem;
        line-height: 1.2;
    }

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

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

    .cta-subtitle {
        font-size: 1rem;
    }

    .features-grid,
    .cases-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .types-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .type-card {
        padding: var(--spacing-md);
    }

    .type-emoji {
        font-size: 2rem;
    }

    .mod-actions {
        grid-template-columns: 1fr;
    }

    .hero-stats {
        justify-content: space-around;
        gap: var(--spacing-md);
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .feature-card,
    .case-card {
        padding: var(--spacing-md);
    }

    .timeline-item {
        padding-left: 50px;
    }

    .timeline-number {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }

    .timeline::before {
        left: 12px;
    }

    .timeline-content {
        padding: var(--spacing-md);
    }

    .label {
        font-size: 0.75rem;
    }

    .phone-mockup {
        max-width: 250px;
    }

    .tg-message {
        padding: var(--spacing-sm);
    }

    .tg-avatar {
        width: 32px;
        height: 32px;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .section-header {
        margin-bottom: var(--spacing-xl);
    }

    .user-flow,
    .admin-dashboard {
        padding: var(--spacing-md);
    }

    .moderation-card {
        padding: var(--spacing-md);
    }

    .mod-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.875rem;
    }

    .dashboard-header h4 {
        font-size: 1rem;
    }

    .status-badge {
        font-size: 0.65rem;
        padding: 2px 8px;
    }
}

/* Small mobile devices */
@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .cta-title {
        font-size: 1.5rem;
    }

    .hero-stats {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }

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

    .footer-links {
        gap: var(--spacing-md);
    }

    .logo-text {
        font-size: 1.25rem;
    }

    .nav {
        padding: var(--spacing-sm) 0;
    }

    .mod-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }

    .case-icon {
        font-size: 3rem;
    }
}

/* Extra small devices */
@media (max-width: 360px) {
    :root {
        --spacing-sm: 0.75rem;
        --spacing-md: 1rem;
        --spacing-lg: 1.25rem;
    }

    .hero-title {
        font-size: 1.25rem;
    }

    .section-title {
        font-size: 1.25rem;
    }

    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.875rem;
    }

    .phone-mockup {
        max-width: 200px;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* ===== Mobile Menu ===== */
.nav-menu.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-lg);
    gap: var(--spacing-md);
    z-index: 100;
}

/* ===== Touch-friendly improvements ===== */
@media (hover: none) and (pointer: coarse) {
    /* Увеличенные области нажатия для мобильных устройств */
    .btn,
    .mod-btn,
    .nav-menu a {
        min-height: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .burger-menu {
        min-width: 44px;
        min-height: 44px;
    }

    /* Убираем hover эффекты на touch устройствах */
    .feature-card:hover,
    .case-card:hover,
    .type-card:hover {
        transform: none;
    }

    /* Оставляем только активное состояние */
    .feature-card:active,
    .case-card:active,
    .type-card:active {
        transform: scale(0.98);
    }
}

/* ===== Landscape orientation optimizations ===== */
@media (max-height: 600px) and (orientation: landscape) {
    .hero {
        padding: var(--spacing-xl) 0;
    }

    .hero-title {
        font-size: 2rem;
        margin-bottom: var(--spacing-sm);
    }

    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: var(--spacing-md);
    }

    .hero-stats {
        margin-bottom: var(--spacing-md);
    }

    .stat-number {
        font-size: 1.25rem;
    }

    .features,
    .for-users,
    .for-admins {
        padding: var(--spacing-xl) 0;
    }
}

/* ===== Print styles ===== */
@media print {
    .header,
    .burger-menu,
    .hero-buttons,
    .cta,
    .footer {
        display: none;
    }

    .hero,
    .features,
    .for-users,
    .for-admins {
        page-break-inside: avoid;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
    }

    a {
        text-decoration: underline;
    }

    a[href^="mailto:"]::after {
        content: " (" attr(href) ")";
    }
}