/* ==============================================
   THRIFTHOTELS.COM - MOBILE-FIRST STYLESHEET
   ============================================== */

/* CSS Variables for Consistent Theming */
:root {
    --color-primary: #667eea;
    --color-primary-dark: #5568d3;
    --color-secondary: #764ba2;
    --color-accent: #f093fb;
    --color-success: #43e97b;
    --color-warning: #fee140;
    --color-danger: #f5576c;

    --color-text-primary: #1a202c;
    --color-text-secondary: #4a5568;
    --color-text-light: #718096;

    --color-bg-primary: #ffffff;
    --color-bg-secondary: #f7fafc;
    --color-bg-dark: #2d3748;

    --color-border: #e2e8f0;

    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-heading: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;

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

    --border-radius: 8px;
    --border-radius-lg: 12px;
    --box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --box-shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.15);

    --transition: all 0.3s ease;
}

/* ==============================================
   RESET & BASE STYLES
   ============================================== */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ==============================================
   CONTAINER & LAYOUT
   ============================================== */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Mobile-first: default mobile styles */
@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 var(--spacing-xl);
    }
}

/* ==============================================
   HEADER & NAVIGATION
   ============================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    transition: var(--transition);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    min-height: 60px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
}

.logo-icon {
    font-size: 1.5rem;
}

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

/* Mobile Navigation Toggle */
.nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    width: 30px;
    height: 24px;
    cursor: pointer;
    z-index: 1001;
}

.hamburger,
.hamburger::before,
.hamburger::after {
    width: 100%;
    height: 3px;
    background: var(--color-primary);
    border-radius: 3px;
    transition: var(--transition);
}

.hamburger {
    position: relative;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    bottom: -8px;
}

.nav-toggle.active .hamburger {
    background: transparent;
}

.nav-toggle.active .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}

.nav-toggle.active .hamburger::after {
    transform: rotate(-45deg);
    bottom: 0;
}

/* Mobile Menu */
.nav-menu {
    position: fixed;
    top: 60px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 60px);
    background: var(--color-bg-primary);
    flex-direction: column;
    padding: var(--spacing-lg);
    transition: left 0.3s ease;
    overflow-y: auto;
}

.nav-menu.active {
    left: 0;
}

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

.nav-link {
    display: block;
    padding: var(--spacing-sm);
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-text-primary);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link:focus {
    background: var(--color-bg-secondary);
    color: var(--color-primary);
}

/* Tablet & Desktop Navigation */
@media (min-width: 768px) {
    .nav-toggle {
        display: none;
    }

    .nav-menu {
        position: static;
        display: flex;
        flex-direction: row;
        height: auto;
        padding: 0;
        background: transparent;
        gap: var(--spacing-sm);
    }

    .nav-item {
        margin: 0;
    }

    .nav-link {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.9375rem;
    }
}

/* ==============================================
   HERO SECTION
   ============================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: calc(60px + var(--spacing-lg)) var(--spacing-sm) var(--spacing-2xl);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="10" cy="10" r="1" fill="white" opacity="0.1"/></svg>');
    opacity: 0.3;
}

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

.hero-title-main {
    display: block;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    opacity: 0.95;
}

.hero-title-highlight {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: 1.125rem;
    line-height: 1.7;
    opacity: 0.9;
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

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

.hero-scroll {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    opacity: 0.7;
    font-size: 0.875rem;
}

.scroll-indicator {
    width: 2px;
    height: 30px;
    background: white;
    margin: var(--spacing-xs) auto 0;
    animation: scroll-bounce 2s infinite;
}

@keyframes scroll-bounce {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(10px); opacity: 0.5; }
}

/* Tablet Hero */
@media (min-width: 768px) {
    .hero-title-main {
        font-size: 2rem;
    }

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

    .hero-cta {
        flex-direction: row;
        justify-content: center;
    }
}

/* Desktop Hero */
@media (min-width: 1024px) {
    .hero-title-main {
        font-size: 2.25rem;
    }

    .hero-title-highlight {
        font-size: 3.5rem;
    }
}

/* ==============================================
   BUTTONS
   ============================================== */

.btn {
    display: inline-block;
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border-radius: var(--border-radius);
    transition: var(--transition);
    cursor: pointer;
    white-space: nowrap;
}

.btn-primary {
    background: white;
    color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

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

.btn-large {
    padding: 1.125rem 2.25rem;
    font-size: 1.125rem;
}

/* ==============================================
   SECTIONS - COMMON STYLES
   ============================================== */

section {
    padding: var(--spacing-2xl) 0;
}

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

.section-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    section {
        padding: var(--spacing-2xl) 0 calc(var(--spacing-2xl) + var(--spacing-lg));
    }

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

/* ==============================================
   STATS SECTION
   ============================================== */

.stats {
    background: var(--color-bg-secondary);
    padding: var(--spacing-xl) 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.stat-card {
    text-align: center;
    padding: var(--spacing-lg);
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 1rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

@media (min-width: 480px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ==============================================
   PROBLEM/SOLUTION SECTION
   ============================================== */

.problem-solution {
    background: white;
}

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

.comparison-card {
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
}

.comparison-card.problem {
    background: #fff5f5;
    border: 2px solid var(--color-danger);
}

.comparison-card.solution {
    background: #f0fff4;
    border: 2px solid var(--color-success);
}

.comparison-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.comparison-card ul {
    list-style: none;
}

.comparison-card li {
    padding: var(--spacing-xs) 0;
    font-size: 1rem;
    line-height: 1.6;
}

@media (min-width: 768px) {
    .comparison-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ==============================================
   CORE PROMISE SECTION
   ============================================== */

.core-promise {
    background: var(--color-bg-secondary);
}

.promise-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
}

.promise-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.promise-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
}

.score-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.score-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
}

.score-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--box-shadow-lg);
}

.score-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.score-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.score-card p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

@media (min-width: 480px) {
    .score-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .score-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ==============================================
   HOW IT WORKS SECTION
   ============================================== */

.how-it-works {
    background: white;
}

.process-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.process-step {
    position: relative;
    padding: var(--spacing-lg);
    background: var(--color-bg-secondary);
    border-radius: var(--border-radius-lg);
    border-left: 4px solid var(--color-primary);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    border-radius: 50%;
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.process-step h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.process-step p {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

@media (min-width: 768px) {
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .process-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ==============================================
   CITY EXPLORER SECTION
   ============================================== */

.city-explorer {
    background: var(--color-bg-secondary);
}

.city-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.city-card {
    display: block;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.city-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--box-shadow-lg);
}

.city-image {
    position: relative;
    height: 200px;
    display: flex;
    align-items: flex-end;
    padding: var(--spacing-lg);
}

.city-overlay {
    color: white;
    width: 100%;
}

.city-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.city-hotels,
.city-range {
    font-size: 0.9375rem;
    opacity: 0.95;
    margin: 0.25rem 0;
}

.cta-center {
    text-align: center;
}

@media (min-width: 480px) {
    .city-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .city-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ==============================================
   COLLECTIONS SECTION
   ============================================== */

.collections {
    background: white;
}

.collection-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.collection-card {
    display: block;
    padding: var(--spacing-lg);
    background: var(--color-bg-secondary);
    border-radius: var(--border-radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

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

.collection-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.collection-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.collection-card p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

@media (min-width: 480px) {
    .collection-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .collection-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ==============================================
   STRATEGIES SECTION
   ============================================== */

.strategies {
    background: var(--color-bg-secondary);
}

.strategy-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.strategy-card {
    display: block;
    padding: var(--spacing-lg);
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    border-left: 4px solid var(--color-primary);
}

.strategy-card:hover {
    transform: translateX(4px);
    box-shadow: var(--box-shadow-lg);
}

.strategy-number {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
    opacity: 0.7;
}

.strategy-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.strategy-card p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

@media (min-width: 768px) {
    .strategy-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .strategy-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ==============================================
   WHO IT'S FOR SECTION
   ============================================== */

.who-its-for {
    background: white;
}

.audience-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.audience-card {
    padding: var(--spacing-lg);
    background: var(--color-bg-secondary);
    border-radius: var(--border-radius-lg);
    text-align: center;
}

.audience-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.audience-card p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

@media (min-width: 480px) {
    .audience-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .audience-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ==============================================
   EVIDENCE & TRUST SECTION
   ============================================== */

.evidence-trust {
    background: var(--color-bg-secondary);
}

.evidence-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.evidence-card {
    padding: var(--spacing-lg);
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
    text-align: center;
}

.tier-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: white;
}

.tier-a .tier-badge {
    background: var(--color-success);
}

.tier-b .tier-badge {
    background: var(--color-primary);
}

.tier-c .tier-badge {
    background: var(--color-warning);
    color: var(--color-text-primary);
}

.tier-d .tier-badge {
    background: var(--color-danger);
}

.evidence-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.evidence-card p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.trust-statement {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    background: white;
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--box-shadow);
}

.trust-statement p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
}

@media (min-width: 768px) {
    .evidence-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .evidence-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ==============================================
   RANKING TYPES SECTION
   ============================================== */

.ranking-types {
    background: white;
}

.ranking-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.ranking-card {
    display: block;
    padding: var(--spacing-lg);
    background: var(--color-bg-secondary);
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
    border: 2px solid transparent;
}

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

.ranking-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.ranking-card p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

@media (min-width: 480px) {
    .ranking-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .ranking-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ==============================================
   SCALE VISION SECTION
   ============================================== */

.scale-vision {
    background: var(--color-bg-secondary);
}

.scale-table {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.scale-header,
.scale-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.scale-header {
    background: var(--color-primary);
    color: white;
    font-weight: 700;
    font-size: 0.875rem;
}

.scale-row:last-child {
    border-bottom: none;
}

.scale-row div:first-child {
    font-weight: 600;
}

.scale-row div:not(:first-child) {
    color: var(--color-text-secondary);
    text-align: center;
}

@media (max-width: 479px) {
    .scale-header,
    .scale-row {
        font-size: 0.875rem;
        padding: var(--spacing-sm);
    }
}

/* ==============================================
   LANGUAGES SECTION
   ============================================== */

.languages {
    background: white;
}

.language-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    max-width: 800px;
    margin: 0 auto;
}

.language-link {
    display: block;
    padding: var(--spacing-sm);
    background: var(--color-bg-secondary);
    border-radius: var(--border-radius);
    text-align: center;
    font-weight: 500;
    transition: var(--transition);
    border: 2px solid transparent;
}

.language-link:hover,
.language-link.active {
    border-color: var(--color-primary);
    background: white;
    box-shadow: var(--box-shadow);
}

@media (min-width: 480px) {
    .language-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 768px) {
    .language-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ==============================================
   FAQ SECTION
   ============================================== */

.faq {
    background: white;
}

.faq-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-bg-secondary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    border-left: 4px solid var(--color-primary);
    transition: var(--transition);
}

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

.faq-question {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
}

.faq-answer {
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.faq-answer p {
    margin-bottom: var(--spacing-sm);
    font-size: 0.9375rem;
}

.faq-answer ul {
    list-style: disc;
    padding-left: var(--spacing-lg);
    margin: var(--spacing-sm) 0;
}

.faq-answer li {
    margin: var(--spacing-xs) 0;
    font-size: 0.9375rem;
}

.faq-answer a {
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: underline;
}

.faq-answer a:hover {
    color: var(--color-primary-dark);
}

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

@media (min-width: 768px) {
    .faq-question {
        font-size: 1.25rem;
    }

    .faq-answer p,
    .faq-answer li {
        font-size: 1rem;
    }
}

/* ==============================================
   FINAL CTA SECTION
   ============================================== */

.final-cta {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    text-align: center;
    padding: var(--spacing-2xl) 0;
}

.cta-content h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
}

.cta-content p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
}

@media (min-width: 768px) {
    .cta-content h2 {
        font-size: 2.5rem;
    }

    .cta-buttons {
        flex-direction: row;
        justify-content: center;
    }
}

/* ==============================================
   FOOTER
   ============================================== */

.footer {
    background: var(--color-bg-dark);
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

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

.footer-column h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.footer-column ul li {
    margin: var(--spacing-xs) 0;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9375rem;
    transition: var(--transition);
}

.footer-column a:hover {
    color: white;
    padding-left: 4px;
}

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

.footer-tagline {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.footer-copyright {
    font-size: 0.875rem;
    opacity: 0.7;
}

@media (min-width: 480px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ==============================================
   BACK TO TOP BUTTON
   ============================================== */

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--box-shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

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

.back-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-4px);
}

/* ==============================================
   ACCESSIBILITY & UTILITIES
   ============================================== */

.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 styles for accessibility */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ==============================================
   RESPONSIVE UTILITIES
   ============================================== */

@media (max-width: 767px) {
    .hide-mobile {
        display: none !important;
    }
}

@media (min-width: 768px) {
    .hide-tablet {
        display: none !important;
    }
}

@media (min-width: 1024px) {
    .hide-desktop {
        display: none !important;
    }
}

/* ==============================================
   PERFORMANCE OPTIMIZATIONS
   ============================================== */

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Optimize font rendering */
@media screen and (max-width: 767px) {
    body {
        -webkit-text-size-adjust: 100%;
        text-size-adjust: 100%;
    }
}