/* ========================================
   MeAtende Landing Page — Styles
   ======================================== */

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

:root {
    --color-primary: #2563EB;
    --color-primary-dark: #1D4ED8;
    --color-primary-light: #3B82F6;
    --color-primary-bg: #EFF6FF;
    --color-dark: #0F172A;
    --color-dark-soft: #1E293B;
    --color-gray-900: #111827;
    --color-gray-800: #1F2937;
    --color-gray-700: #374151;
    --color-gray-600: #4B5563;
    --color-gray-500: #6B7280;
    --color-gray-400: #9CA3AF;
    --color-gray-300: #D1D5DB;
    --color-gray-200: #E5E7EB;
    --color-gray-100: #F3F4F6;
    --color-gray-50: #F9FAFB;
    --color-white: #FFFFFF;
    --color-danger: #EF4444;
    --color-danger-bg: #FEF2F2;
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0,0,0,0.25);
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 20px;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --transition: 0.2s ease;
}

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

body {
    font-family: var(--font-family);
    color: var(--color-gray-700);
    background: var(--color-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========================================
   Header
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-gray-200);
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-md);
    font-weight: 800;
    font-size: 1rem;
}

.logo-text {
    color: var(--color-dark);
}

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-600);
    transition: color var(--transition);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-family);
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-header {
    font-size: 0.875rem;
    padding: 10px 20px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-md);
}

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

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-md);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37,99,235,0.4);
}

.btn-lg {
    font-size: 1rem;
    padding: 14px 32px;
    border-radius: var(--radius-lg);
}

.btn-full {
    width: 100%;
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* ========================================
   Hero
   ======================================== */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(180deg, var(--color-gray-50) 0%, var(--color-white) 100%);
    overflow: hidden;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-primary);
    background: var(--color-primary-bg);
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 20px;
    letter-spacing: 0.02em;
}

.hero-content h1 {
    font-size: 2.75rem;
    font-weight: 800;
    line-height: 1.15;
    color: var(--color-dark);
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.hero-sub {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 540px;
}

.hero-actions {
    margin-bottom: 32px;
}

.hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--color-gray-600);
    font-weight: 500;
}

/* Hero Mockup */
.hero-visual {
    position: relative;
}

.hero-mockup {
    background: var(--color-dark);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    border: 1px solid var(--color-gray-800);
}

.mockup-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    background: var(--color-dark-soft);
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.mockup-dots {
    display: flex;
    gap: 6px;
}

.mockup-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.mockup-dots span:nth-child(1) { background: #EF4444; }
.mockup-dots span:nth-child(2) { background: #F59E0B; }
.mockup-dots span:nth-child(3) { background: #10B981; }

.mockup-title {
    font-size: 0.75rem;
    color: var(--color-gray-400);
    font-weight: 500;
}

.mockup-body {
    display: flex;
    min-height: 320px;
}

.mockup-sidebar {
    width: 180px;
    background: rgba(255,255,255,0.03);
    border-right: 1px solid rgba(255,255,255,0.06);
    padding: 12px 0;
}

.mockup-channel {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    font-size: 0.75rem;
    color: var(--color-gray-400);
    cursor: default;
    transition: background var(--transition);
}

.mockup-channel.active {
    background: rgba(37,99,235,0.15);
    color: var(--color-primary-light);
}

.channel-icon {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.channel-icon.whatsapp { background: #25D366; }
.channel-icon.instagram { background: #E4405F; }
.channel-icon.messenger { background: #0084FF; }
.channel-icon.email { background: #F59E0B; }
.channel-icon.webchat { background: #8B5CF6; }

.channel-label {
    flex: 1;
    font-weight: 500;
}

.channel-badge {
    font-size: 0.625rem;
    font-weight: 600;
    background: var(--color-primary);
    color: var(--color-white);
    padding: 2px 6px;
    border-radius: 100px;
    min-width: 20px;
    text-align: center;
}

.mockup-main {
    flex: 1;
    padding: 12px;
}

.mockup-conversation {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.conv-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: rgba(255,255,255,0.04);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255,255,255,0.06);
}

.conv-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6875rem;
    font-weight: 700;
    flex-shrink: 0;
}

.conv-info {
    flex: 1;
    min-width: 0;
}

.conv-name {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-gray-300);
}

.conv-msg {
    display: block;
    font-size: 0.6875rem;
    color: var(--color-gray-500);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.conv-tag {
    font-size: 0.5625rem;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 100px;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.tag-new {
    background: rgba(37,99,235,0.2);
    color: var(--color-primary-light);
}

.tag-progress {
    background: rgba(245,158,11,0.2);
    color: #FBBF24;
}

.tag-hot {
    background: rgba(239,68,68,0.2);
    color: #F87171;
}

/* ========================================
   Sections (shared)
   ======================================== */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 60px;
}

.section-label {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 12px;
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-dark);
    line-height: 1.25;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.section-desc {
    font-size: 1.0625rem;
    color: var(--color-gray-500);
    line-height: 1.7;
}

/* ========================================
   Problems
   ======================================== */
.section-problems {
    background: var(--color-gray-50);
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.problem-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all var(--transition);
}

.problem-card:hover {
    border-color: var(--color-danger);
    box-shadow: 0 4px 12px rgba(239,68,68,0.08);
}

.problem-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-danger-bg);
    color: var(--color-danger);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.problem-card h3 {
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 10px;
    line-height: 1.3;
}

.problem-card p {
    font-size: 0.9375rem;
    color: var(--color-gray-500);
    line-height: 1.65;
}

/* ========================================
   Benefits
   ======================================== */
.section-benefits {
    background: var(--color-white);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.benefit-card {
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    transition: all var(--transition);
}

.benefit-card:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-bg);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.benefit-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-bg);
    color: var(--color-primary);
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
}

.benefit-card:hover .benefit-icon {
    background: var(--color-primary);
    color: var(--color-white);
}

.benefit-card h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 10px;
    line-height: 1.3;
}

.benefit-card p {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    line-height: 1.65;
}

/* ========================================
   Audience
   ======================================== */
.section-audience {
    background: var(--color-dark);
}

.section-audience .section-label {
    color: var(--color-primary-light);
}

.section-audience .section-header h2 {
    color: var(--color-white);
}

.section-audience .section-desc {
    color: var(--color-gray-400);
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.audience-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: all var(--transition);
}

.audience-card:hover {
    background: rgba(255,255,255,0.08);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.audience-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    background: rgba(37,99,235,0.15);
    color: var(--color-primary-light);
    border-radius: var(--radius-lg);
}

.audience-card h3 {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 10px;
    line-height: 1.3;
}

.audience-card p {
    font-size: 0.8125rem;
    color: var(--color-gray-400);
    line-height: 1.6;
}

/* ========================================
   Differentials
   ======================================== */
.section-differentials {
    background: var(--color-gray-50);
}

.diff-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: start;
}

.diff-text .section-label {
    display: block;
    margin-bottom: 12px;
}

.diff-text h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-dark);
    line-height: 1.25;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.diff-text > p {
    font-size: 1.0625rem;
    color: var(--color-gray-500);
    line-height: 1.7;
    margin-bottom: 40px;
}

.diff-list {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.diff-item {
    display: flex;
    gap: 16px;
}

.diff-item-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-bg);
    color: var(--color-primary);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.diff-item h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 4px;
}

.diff-item p {
    font-size: 0.9375rem;
    color: var(--color-gray-500);
    line-height: 1.6;
}

/* Stats */
.diff-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    position: sticky;
    top: 100px;
}

.stat-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    text-align: center;
    transition: all var(--transition);
}

.stat-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
    display: inline;
}

.stat-suffix {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    display: inline;
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    margin-top: 8px;
    line-height: 1.4;
}

/* ========================================
   CTA Mid
   ======================================== */
.section-cta-mid {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.cta-mid-inner {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

.cta-mid-inner h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 16px;
    line-height: 1.25;
}

.cta-mid-inner p {
    font-size: 1.0625rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 32px;
    line-height: 1.7;
}

.cta-mid-inner .btn-primary {
    background: var(--color-white);
    color: var(--color-primary);
}

.cta-mid-inner .btn-primary:hover {
    background: var(--color-gray-100);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

/* ========================================
   Contact / Form
   ======================================== */
.section-contact {
    padding: 100px 0;
    background: var(--color-white);
}

.contact-inner {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: start;
}

.contact-text .section-label {
    display: block;
    margin-bottom: 12px;
}

.contact-text h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-dark);
    line-height: 1.25;
    margin-bottom: 16px;
}

.contact-text > p {
    font-size: 1.0625rem;
    color: var(--color-gray-500);
    line-height: 1.7;
    margin-bottom: 32px;
}

.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    font-weight: 500;
}

.contact-info-item svg {
    color: var(--color-success);
    flex-shrink: 0;
}

/* Form */
.contact-form-wrapper {
    position: relative;
}

.contact-form {
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: 40px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    font-family: var(--font-family);
    font-size: 0.9375rem;
    color: var(--color-dark);
    background: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-gray-400);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
    cursor: pointer;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-disclaimer {
    font-size: 0.75rem;
    color: var(--color-gray-400);
    text-align: center;
    margin-top: 12px;
}

.form-error {
    background: var(--color-danger-bg);
    color: var(--color-danger);
    border: 1px solid rgba(239,68,68,0.2);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    font-size: 0.875rem;
    line-height: 1.5;
    margin-top: 12px;
    text-align: center;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* Form Success */
.form-success {
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: 60px 40px;
    text-align: center;
}

.success-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    margin: 0 auto 24px;
    background: rgba(16,185,129,0.1);
    color: var(--color-success);
    border-radius: 50%;
}

.form-success h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 12px;
}

.form-success p {
    font-size: 1rem;
    color: var(--color-gray-500);
    line-height: 1.6;
    max-width: 400px;
    margin: 0 auto;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--color-dark);
    padding: 48px 0 32px;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.footer .logo-text {
    color: var(--color-white);
}

.footer-brand {
    text-align: center;
}

.footer-brand .logo {
    justify-content: center;
    margin-bottom: 8px;
}

.footer-brand p {
    font-size: 0.875rem;
    color: var(--color-gray-400);
}

.footer-links {
    display: flex;
    gap: 28px;
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--color-gray-400);
    transition: color var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 24px;
    width: 100%;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
}

.footer-bottom p + p {
    margin-top: 6px;
}

.footer-company {
    font-size: 0.75rem !important;
    color: var(--color-gray-600) !important;
    line-height: 1.7;
}

.footer-z8-link {
    color: var(--color-primary-light);
    font-weight: 500;
    transition: color var(--transition);
}

.footer-z8-link:hover {
    color: var(--color-white);
    text-decoration: underline;
}

/* ========================================
   Animations
   ======================================== */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
    .hero-content h1 { font-size: 2.25rem; }
    .benefits-grid { grid-template-columns: repeat(2, 1fr); }
    .audience-grid { grid-template-columns: repeat(3, 1fr); }
    .diff-content { grid-template-columns: 1fr; }
    .diff-stats { position: static; grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 768px) {
    .nav { display: none; }
    .btn-header { display: none; }
    .mobile-toggle { display: flex; }

    /* Mobile Nav */
    .nav.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--color-white);
        border-bottom: 1px solid var(--color-gray-200);
        padding: 16px 24px 24px;
        gap: 16px;
        box-shadow: var(--shadow-lg);
    }

    .nav.open a {
        font-size: 1rem;
        padding: 8px 0;
    }

    .hero {
        padding: 110px 0 60px;
    }

    .hero-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

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

    .hero-trust {
        flex-direction: column;
        gap: 12px;
    }

    .section { padding: 64px 0; }
    .section-header { margin-bottom: 40px; }
    .section-header h2 { font-size: 1.625rem; }

    .problems-grid { grid-template-columns: 1fr; }
    .benefits-grid { grid-template-columns: 1fr; }
    .audience-grid { grid-template-columns: 1fr; }
    .diff-stats { grid-template-columns: 1fr 1fr; }

    .contact-inner { grid-template-columns: 1fr; gap: 40px; }
    .form-row { grid-template-columns: 1fr; }
    .contact-form { padding: 28px 24px; }

    .cta-mid-inner h2 { font-size: 1.5rem; }

    .footer-links { flex-wrap: wrap; justify-content: center; gap: 16px; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .hero-content h1 { font-size: 1.75rem; }
    .section-header h2 { font-size: 1.375rem; }
    .diff-text h2, .contact-text h2 { font-size: 1.5rem; }
    .stat-number { font-size: 2rem; }
    .diff-stats { grid-template-columns: 1fr 1fr; }
}