/* ============================================
   KEMEX GROUP - PREMIUM LANDING PAGE STYLES
   Apple-Inspired Design System
   ============================================ */

/* ============================================
   1. RESET & BASE STYLES
   ============================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Primary Colors (Slate Sophistication) */
    --slate-900: #0F172A;
    --slate-800: #1E293B;
    --slate-700: #334155;
    --slate-600: #475569;
    --slate-500: #64748B;
    --slate-400: #94A3B8;
    --slate-300: #CBD5E1;
    --slate-200: #E2E8F0;
    --slate-100: #F1F5F9;
    --slate-50: #F8FAFC;
    --white: #FFFFFF;
    
    /* Accent Colors */
    --blue-600: #2563EB;
    --blue-500: #3B82F6;
    --blue-400: #60A5FA;
    --blue-50: #EFF6FF;
    
    /* Feedback Colors */
    --green-600: #059669;
    --green-500: #10B981;
    --green-50: #ECFDF5;
    --amber-500: #F59E0B;
    --red-500: #EF4444;
    
    /* Semantic Tokens */
    --text-primary: var(--slate-900);
    --text-secondary: var(--slate-600);
    --text-muted: var(--slate-400);
    --bg-primary: var(--white);
    --bg-subtle: var(--slate-50);
    --border-color: var(--slate-200);
    --accent-primary: var(--blue-500);
    --accent-hover: var(--blue-600);
    --success: var(--green-500);
    
    /* Shadows */
    --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.03);
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    font-size: 16px;
}

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

@media (min-width: 768px) {
    .container {
        padding: 0 48px;
    }
}

/* ============================================
   2. TRUST BAR
   ============================================ */

.trust-bar {
    background: var(--slate-50);
    border-bottom: 1px solid var(--border-color);
    padding: 8px 0;
}

.trust-items {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.trust-item svg {
    color: var(--success);
    width: 14px;
    height: 14px;
}

/* ============================================
   3. HEADER & NAVIGATION
   ============================================ */

header {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo svg {
    flex-shrink: 0;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-main {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.logo-sub {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

nav {
    display: none;
    align-items: center;
    gap: 32px;
}

@media (min-width: 768px) {
    nav {
        display: flex;
    }
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: color var(--transition-base);
    position: relative;
}

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

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

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

.cta-button-small {
    background: var(--accent-primary);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.cta-button-small:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

@media (min-width: 768px) {
    .mobile-menu-toggle {
        display: none;
    }
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-base);
}

/* ============================================
   4. HERO SECTION
   ============================================ */

.hero {
    background: linear-gradient(180deg, var(--slate-50) 0%, var(--white) 100%);
    padding: 80px 0 60px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1000px;
    height: 1000px;
    background: radial-gradient(circle, var(--blue-50) 0%, transparent 70%);
    opacity: 0.5;
    pointer-events: none;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    background: var(--white);
    border: 1px solid var(--border-color);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.1;
    color: var(--text-primary);
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 64px;
    }
}

.hero-subtitle {
    font-size: 20px;
    line-height: 1.5;
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-weight: 400;
}

@media (min-width: 768px) {
    .hero-subtitle {
        font-size: 22px;
    }
}

.hero-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    margin-bottom: 60px;
}

.cta-button-large {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent-primary);
    color: var(--white);
    padding: 16px 32px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    font-size: 18px;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
}

.cta-button-large:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.cta-button-large svg {
    transition: transform var(--transition-base);
}

.cta-button-large:hover svg {
    transform: translateX(3px);
}

.hero-subtext {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-muted);
}

.hero-subtext svg {
    color: var(--success);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 32px;
    max-width: 700px;
    margin: 0 auto;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--accent-primary);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-muted);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ============================================
   5. SOCIAL PROOF
   ============================================ */

.social-proof {
    padding: 40px 0;
    background: var(--white);
    border-bottom: 1px solid var(--border-color);
}

.social-proof-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.social-proof-text {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.platform-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 32px;
}

.platform-logo {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-secondary);
    padding: 8px 20px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--white);
}

/* ============================================
   6. SECTIONS
   ============================================ */

section {
    padding: 100px 0;
}

.section-header {
    max-width: 800px;
    margin: 0 auto 60px;
    text-align: center;
}

.section-badge {
    display: inline-block;
    background: var(--blue-50);
    color: var(--accent-primary);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-title {
    font-size: 40px;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

@media (min-width: 768px) {
    .section-title {
        font-size: 48px;
    }
}

.section-subtitle {
    font-size: 18px;
    line-height: 1.6;
    color: var(--text-secondary);
}

@media (min-width: 768px) {
    .section-subtitle {
        font-size: 20px;
    }
}

/* ============================================
   7. PROBLEM SECTION
   ============================================ */

.problem {
    background: var(--bg-subtle);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.problem-card {
    background: var(--white);
    padding: 32px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.problem-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--slate-300);
}

.problem-icon {
    font-size: 40px;
    margin-bottom: 16px;
    display: block;
}

.problem-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.3;
}

.problem-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.problem-stat {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent-primary);
    padding: 8px 16px;
    background: var(--blue-50);
    border-radius: 8px;
    display: inline-block;
}

/* ============================================
   8. SOLUTION SECTION
   ============================================ */

.solution {
    background: var(--white);
}

.solution-steps {
    max-width: 900px;
    margin: 0 auto;
}

.step {
    display: flex;
    gap: 32px;
    margin-bottom: 60px;
}

.step:last-child {
    margin-bottom: 0;
}

.step-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
}

.step-number {
    width: 64px;
    height: 64px;
    background: var(--accent-primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

.step-line {
    width: 2px;
    flex: 1;
    background: var(--border-color);
    margin-top: 16px;
}

.step:last-child .step-line {
    display: none;
}

.step-content h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.step-description {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.6;
}

.step-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.feature-item svg {
    flex-shrink: 0;
    margin-top: 2px;
}

.feature-item span {
    color: var(--text-secondary);
    line-height: 1.6;
}

.step-result {
    padding: 16px;
    background: var(--green-50);
    border-left: 3px solid var(--success);
    border-radius: 8px;
    font-size: 15px;
    line-height: 1.6;
}

.step-result strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* ============================================
   9. SERVICES SECTION
   ============================================ */

.services {
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--bg-subtle);
    padding: 32px;
    border-radius: 16px;
    border: 1px solid transparent;
    transition: all var(--transition-base);
}

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

.service-icon {
    font-size: 40px;
    margin-bottom: 16px;
    display: block;
}

.service-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   10. GUARANTEE SECTION
   ============================================ */

.guarantee {
    background: linear-gradient(135deg, var(--success) 0%, var(--green-600) 100%);
    color: var(--white);
}

.guarantee-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.guarantee-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
    backdrop-filter: blur(8px);
}

.guarantee-title {
    font-size: 40px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
}

@media (min-width: 768px) {
    .guarantee-title {
        font-size: 48px;
    }
}

.guarantee-text {
    font-size: 20px;
    line-height: 1.6;
    margin-bottom: 32px;
    opacity: 0.95;
}

.guarantee-text strong {
    font-weight: 700;
}

.guarantee-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.guarantee-item {
    display: flex;
    align-items: center;
    gap: 12px;
    text-align: left;
    padding: 16px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(8px);
}

.guarantee-item svg {
    flex-shrink: 0;
}

.guarantee-subtext {
    font-size: 16px;
    opacity: 0.9;
}

/* ============================================
   11. PRICING SECTION
   ============================================ */

.pricing {
    background: var(--bg-subtle);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.pricing-card {
    background: var(--white);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 40px 32px;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all var(--transition-base);
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--slate-300);
}

.pricing-card.featured {
    border-color: var(--accent-primary);
    border-width: 3px;
    box-shadow: var(--shadow-md);
}

.popular-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-primary);
    color: var(--white);
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

.pricing-header {
    margin-bottom: 24px;
}

.pricing-header h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.pricing-description {
    font-size: 14px;
    color: var(--text-secondary);
}

.pricing-price {
    margin-bottom: 32px;
    display: flex;
    align-items: baseline;
}

.price-currency {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-secondary);
}

.price-amount {
    font-size: 56px;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.price-period {
    font-size: 18px;
    color: var(--text-secondary);
    margin-left: 4px;
}

.pricing-features {
    flex: 1;
    margin-bottom: 32px;
}

.pricing-feature {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.pricing-feature:last-child {
    border-bottom: none;
}

.pricing-feature svg {
    flex-shrink: 0;
    margin-top: 2px;
}

.pricing-feature span {
    color: var(--text-secondary);
    line-height: 1.5;
}

.pricing-cta {
    display: block;
    background: var(--accent-primary);
    color: var(--white);
    padding: 14px 24px;
    border-radius: 10px;
    text-align: center;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all var(--transition-base);
}

.pricing-cta:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.pricing-card.featured .pricing-cta {
    background: var(--accent-primary);
    box-shadow: var(--shadow-md);
}

.pricing-note {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-size: 14px;
    color: var(--text-secondary);
}

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

/* ============================================
   12. FAQ SECTION
   ============================================ */

.faq {
    background: var(--white);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 24px;
}

.faq-item {
    background: var(--bg-subtle);
    padding: 32px;
    border-radius: 16px;
    border-left: 4px solid var(--accent-primary);
    transition: all var(--transition-base);
}

.faq-item:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.faq-item h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.4;
}

.faq-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   13. FINAL CTA SECTION
   ============================================ */

.final-cta {
    background: linear-gradient(180deg, var(--white) 0%, var(--slate-50) 100%);
    padding: 100px 0;
}

.final-cta-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.final-cta-content h2 {
    font-size: 40px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    line-height: 1.2;
}

@media (min-width: 768px) {
    .final-cta-content h2 {
        font-size: 48px;
    }
}

.final-cta-content p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.6;
}

@media (min-width: 768px) {
    .final-cta-content p {
        font-size: 20px;
    }
}

.final-cta-subtext {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 16px;
}

.final-cta-subtext svg {
    color: var(--success);
}

/* ============================================
   14. FOOTER
   ============================================ */

footer {
    background: var(--slate-900);
    color: var(--slate-300);
    padding: 60px 0 32px;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.footer-main {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
}

@media (min-width: 768px) {
    .footer-main {
        grid-template-columns: 1.5fr 2fr;
    }
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

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

.footer-logo-text .logo-sub {
    color: var(--slate-400);
}

.footer-tagline {
    font-size: 14px;
    line-height: 1.6;
    color: var(--slate-400);
}

.footer-location {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--slate-400);
}

.footer-location svg {
    flex-shrink: 0;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 32px;
}

.footer-col h4 {
    color: var(--white);
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col a {
    color: var(--slate-400);
    text-decoration: none;
    font-size: 14px;
    transition: color var(--transition-base);
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.footer-col a svg {
    flex-shrink: 0;
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid var(--slate-700);
    display: flex;
    flex-direction: column;
    gap: 24px;
    align-items: center;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-security {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.security-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--slate-400);
}

.security-badge svg {
    color: var(--success);
}

.footer-copyright {
    font-size: 13px;
    color: var(--slate-500);
    text-align: center;
}

/* ============================================
   15. BACK TO TOP BUTTON
   ============================================ */

.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    background: var(--accent-primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

/* ============================================
   16. RESPONSIVE ADJUSTMENTS
   ============================================ */

@media (max-width: 767px) {
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .step {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .step-visual {
        flex-direction: row;
        align-items: center;
        width: 100%;
    }
    
    .step-line {
        height: 2px;
        width: 100%;
        margin-left: 16px;
        margin-top: 0;
    }
    
    .problem-grid,
    .services-grid,
    .pricing-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   17. ANIMATIONS
   ============================================ */

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

.animate-in {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}

/* ============================================
   18. ACCESSIBILITY
   ============================================ */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* ============================================
   19. PRINT STYLES
   ============================================ */

@media print {
    header,
    .trust-bar,
    .hero,
    .scroll-indicator,
    .back-to-top,
    .final-cta,
    footer {
        display: none;
    }
    
    body {
        font-size: 12pt;
    }
    
    .container {
        max-width: 100%;
        padding: 0;
    }
}