/* ==============================================
   FLUENTIA INSTITUTE - Styles
   A warm, sophisticated design for language learning
   ============================================== */

/* CSS Variables */
:root {
    /* Color Palette - Warm ocean/teal tones */
    --color-primary: #0d5c63;
    --color-primary-light: #148a8a;
    --color-primary-dark: #073b40;
    --color-accent: #f4a261;
    --color-accent-light: #f7c59f;
    --color-accent-dark: #e76f51;
    
    /* Neutrals - Warm grays */
    --color-text: #1a1a2e;
    --color-text-light: #4a4a5e;
    --color-text-muted: #6e6e82;
    --color-bg: #fffbf5;
    --color-bg-warm: #fff8f0;
    --color-bg-section: #f7f3ed;
    --color-card: #ffffff;
    --color-border: #e8e4de;
    
    /* Status colors */
    --color-success: #2a9d8f;
    --color-error: #e76f51;
    --color-warning: #f4a261;
    
    /* Typography */
    --font-display: 'Fraunces', Georgia, serif;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Border radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(13, 92, 99, 0.06);
    --shadow-md: 0 4px 24px rgba(13, 92, 99, 0.1);
    --shadow-lg: 0 8px 40px rgba(13, 92, 99, 0.12);
    --shadow-xl: 0 16px 64px rgba(13, 92, 99, 0.16);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    
    /* Layout */
    --container-max: 1200px;
    --navbar-height: 72px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--navbar-height);
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: inherit;
    text-decoration: none;
}

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

ul, ol {
    list-style: none;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 500;
    line-height: 1.2;
    color: var(--color-text);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: white;
    box-shadow: 0 4px 16px rgba(13, 92, 99, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(13, 92, 99, 0.4);
}

.btn-secondary {
    background: var(--color-bg-section);
    color: var(--color-text);
    border: 2px solid var(--color-border);
}

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

.btn-large {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1.125rem;
}

.btn-nav {
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.875rem;
}

/* ==============================================
   NAVIGATION
   ============================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--navbar-height);
    background: rgba(255, 251, 245, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-sm);
}

.navbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
}

.logo-icon {
    font-size: 1.75rem;
}

.nav-links {
    display: flex;
    gap: var(--space-xl);
}

.nav-links a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-light);
    transition: color var(--transition-fast);
    position: relative;
}

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

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.language-switcher {
    display: flex;
    background: var(--color-bg-section);
    border-radius: var(--radius-full);
    padding: 3px;
}

.lang-btn {
    padding: var(--space-xs) var(--space-md);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-muted);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.lang-btn.active {
    background: white;
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.lang-btn:hover:not(.active) {
    color: var(--color-text);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition-base);
}

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

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--navbar-height);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 60% at 80% 20%, rgba(20, 138, 138, 0.1), transparent),
        radial-gradient(ellipse 60% 50% at 20% 80%, rgba(244, 162, 97, 0.08), transparent),
        linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-warm) 100%);
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(13, 92, 99, 0.03) 1px, transparent 1px),
        radial-gradient(circle at 80% 70%, rgba(244, 162, 97, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
    padding: var(--space-4xl) 0;
}

.hero-text {
    animation: fadeInUp 0.8s ease-out;
}

.tagline {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    margin-bottom: var(--space-lg);
}

.hero-headline {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 600;
    line-height: 1.15;
    margin-bottom: var(--space-lg);
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subheadline {
    font-size: 1.125rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: var(--space-2xl);
    max-width: 500px;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
}

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

.hero-visual {
    position: relative;
    height: 400px;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    animation: float 6s ease-in-out infinite;
}

.hero-card-1 {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.hero-card-2 {
    top: 40%;
    right: 5%;
    animation-delay: 2s;
}

.hero-card-3 {
    bottom: 15%;
    left: 20%;
    animation-delay: 4s;
}

.hero-card-icon {
    font-size: 2rem;
}

.hero-card-text {
    display: flex;
    flex-direction: column;
}

.hero-card-text strong {
    font-size: 0.9375rem;
    color: var(--color-text);
}

.hero-card-text span {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.hero-languages {
    position: absolute;
    bottom: 5%;
    right: 20%;
    display: flex;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: white;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
}

.hero-languages .flag {
    font-size: 1.5rem;
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-primary), transparent);
    animation: scrollBounce 2s ease-in-out infinite;
}

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

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

@keyframes scrollBounce {
    0%, 100% { transform: scaleY(1); opacity: 1; }
    50% { transform: scaleY(1.5); opacity: 0.5; }
}

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

.value-proposition-section {
    padding: var(--space-4xl) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
}

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

.value-proposition-title {
    font-family: var(--font-display);
    color: white;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--space-lg);
    line-height: 1.2;
}

.value-proposition-text {
    font-size: clamp(1rem, 2vw, 1.125rem);
    line-height: 1.7;
    opacity: 0.95;
    max-width: 800px;
    margin: 0 auto;
}

/* ==============================================
   FEATURES SECTION
   ============================================== */

.features-section {
    padding: var(--space-4xl) 0;
}

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

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

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.feature-card {
    padding: var(--space-2xl);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(13, 92, 99, 0.1), rgba(20, 138, 138, 0.05));
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    color: var(--color-primary);
}

.feature-card h3 {
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

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

/* ==============================================
   NOT US SECTION
   ============================================== */

.not-us-section {
    padding: var(--space-4xl) 0;
    background: var(--color-bg-section);
}

.not-us-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.problem-card {
    padding: var(--space-xl);
    background: white;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    text-align: center;
}

.problem-icon {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

.problem-card h4 {
    font-family: var(--font-body);
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.problem-card p {
    font-size: 0.875rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

.our-way-card {
    padding: var(--space-2xl);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-lg);
    color: white;
    text-align: center;
}

.our-way-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-lg);
}

.our-way-card h3 {
    color: white;
    margin-bottom: var(--space-md);
}

.our-way-card p {
    font-size: 1.0625rem;
    opacity: 0.95;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ==============================================
   COURSES SECTION
   ============================================== */

.courses-section {
    padding: var(--space-4xl) 0;
}

.courses-dates {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
}

.courses-explanation {
    max-width: 800px;
    margin: 0 auto var(--space-2xl);
    text-align: center;
}

.courses-explanation-text {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--color-text-muted);
}

.date-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: white;
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border);
    font-size: 0.9375rem;
    color: var(--color-text-light);
}

.date-badge strong {
    color: var(--color-primary);
}

.date-badge svg {
    color: var(--color-primary);
}

.date-badge.deadline {
    background: var(--color-accent-light);
    border-color: var(--color-accent);
}

.date-badge.deadline strong {
    color: var(--color-accent-dark);
}

.date-badge.deadline svg {
    color: var(--color-accent-dark);
}

.language-tabs {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
}

.language-tab {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    background: white;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text-light);
    cursor: pointer;
    transition: all var(--transition-base);
}

.language-tab:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.language-tab.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.language-tab .flag {
    font-size: 1.25rem;
}

.levels-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-lg);
}

.level-card {
    padding: var(--space-lg);
    background: white;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    text-align: center;
    transition: all var(--transition-base);
}

.level-card:hover {
    box-shadow: var(--shadow-md);
}

.level-card.available {
    border-color: var(--color-success);
}

.level-card.unavailable {
    opacity: 0.7;
}

.level-card.coming-soon {
    border-color: var(--color-primary);
    opacity: 0.9;
}

.level-name {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-xs);
}

.level-description {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
}

.level-status {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.level-status.available {
    background: rgba(42, 157, 143, 0.1);
    color: var(--color-success);
}

.level-status.unavailable {
    background: rgba(231, 111, 81, 0.1);
    color: var(--color-error);
}

.level-status.coming-soon {
    background: rgba(13, 92, 99, 0.1);
    color: var(--color-primary);
}

/* ==============================================
   PRICING SECTION
   ============================================== */

.pricing-section {
    padding: var(--space-4xl) 0;
    background: var(--color-bg-section);
}

.pricing-explanation {
    max-width: 800px;
    margin: 0 auto var(--space-3xl);
}

.pricing-explanation-card {
    padding: var(--space-2xl);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    border: 2px solid var(--color-primary);
}

.explanation-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.pricing-explanation-card h3 {
    margin-bottom: var(--space-md);
    color: var(--color-primary);
}

.pricing-explanation-card p {
    color: var(--color-text-light);
    line-height: 1.7;
}

.pricing-table-container {
    max-width: 1000px;
    margin: 0 auto var(--space-3xl);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.pricing-table-header {
    display: grid;
    grid-template-columns: 1fr 1.5fr 2fr 2fr;
    gap: var(--space-md);
    padding: var(--space-lg) var(--space-xl);
    background: var(--color-primary);
    color: white;
    font-weight: 600;
    font-size: 0.9375rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-table-body {
    display: flex;
    flex-direction: column;
}

.pricing-table-row {
    display: grid;
    grid-template-columns: 1fr 1.5fr 2fr 2fr;
    gap: var(--space-md);
    padding: var(--space-lg) var(--space-xl);
    border-bottom: 1px solid var(--color-border);
    transition: background var(--transition-fast);
}

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

.pricing-table-row:hover {
    background: var(--color-bg-section);
}

.table-col-level {
    display: flex;
    align-items: center;
    font-family: var(--font-display);
    font-size: 1.125rem;
}

.table-col-duration {
    display: flex;
    align-items: center;
    color: var(--color-text-light);
    font-size: 0.9375rem;
}

.table-col-monthly,
.table-col-onetime {
    display: flex;
    align-items: center;
}

.price-option {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.price-amount {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
}

.price-note {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.price-savings {
    font-size: 0.8125rem;
    color: var(--color-success);
    font-weight: 600;
}

.pricing-features {
    max-width: 800px;
    margin: 0 auto var(--space-2xl);
    text-align: center;
}

.pricing-features h4 {
    margin-bottom: var(--space-xl);
    color: var(--color-text);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    text-align: left;
}

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

.feature-item span {
    font-size: 0.9375rem;
    color: var(--color-text-light);
}

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

/* ==============================================
   PROCESS SECTION
   ============================================== */

.process-section {
    padding: var(--space-4xl) 0;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 36px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-border), var(--color-primary), var(--color-border));
    z-index: 0;
}

.process-step {
    position: relative;
    text-align: center;
    z-index: 1;
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    margin: 0 auto var(--space-lg);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: white;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
}

.step-content h3 {
    margin-bottom: var(--space-sm);
}

.step-content p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

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

.final-cta-section {
    padding: var(--space-4xl) 0;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
    color: white;
    text-align: center;
}

.cta-content h2 {
    color: white;
    margin-bottom: var(--space-md);
}

.cta-content p {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: var(--space-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.final-cta-section .btn-primary {
    background: white;
    color: var(--color-primary);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.final-cta-section .btn-primary:hover {
    background: var(--color-bg);
}

.cta-note {
    display: block;
    margin-top: var(--space-lg);
    font-size: 0.875rem;
    opacity: 0.8;
}

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

.footer {
    padding: var(--space-4xl) 0 var(--space-2xl);
    background: var(--color-text);
    color: white;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: var(--space-4xl);
    margin-bottom: var(--space-3xl);
}

.footer-brand .logo {
    color: white;
    margin-bottom: var(--space-md);
}

.footer-tagline {
    opacity: 0.7;
    max-width: 300px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2xl);
}

.footer-column h4 {
    color: white;
    font-family: var(--font-body);
    font-weight: 600;
    margin-bottom: var(--space-lg);
    font-size: 0.9375rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-column a {
    font-size: 0.9375rem;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.footer-column a:hover {
    opacity: 1;
}

.footer-bottom {
    padding-top: var(--space-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    opacity: 0.6;
}

/* ==============================================
   MODAL
   ============================================== */

.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(26, 26, 46, 0.8);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-xl);
    transform: translateY(20px);
    transition: transform var(--transition-base);
}

.modal.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-section);
    border-radius: var(--radius-full);
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-border);
    color: var(--color-text);
}

.modal-header {
    margin-bottom: var(--space-xl);
}

.modal-header h2 {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
}

.modal-header p {
    color: var(--color-text-light);
}

.modal-benefits {
    margin-bottom: var(--space-xl);
    padding: var(--space-lg);
    background: var(--color-bg-section);
    border-radius: var(--radius-md);
}

.modal-benefits ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.modal-benefits li {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.9375rem;
}

.modal-benefits li svg {
    color: var(--color-success);
    flex-shrink: 0;
}

.no-obligation {
    font-size: 0.875rem;
    font-style: italic;
    color: var(--color-text-muted);
    text-align: center;
}

.modal-calendar {
    margin-bottom: var(--space-xl);
}

.select-time {
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.calendar-embed {
    min-height: 400px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.calendar-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 400px;
    color: var(--color-text-muted);
}

.modal-close-btn {
    width: 100%;
}

/* ==============================================
   MOBILE MENU
   ============================================== */

.mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 1500;
    background: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xl);
    text-align: center;
}

.mobile-menu-content a {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-text);
}

.mobile-language-switcher {
    display: flex;
    gap: var(--space-md);
}

.mobile-language-switcher .lang-btn {
    padding: var(--space-sm) var(--space-lg);
    font-size: 1rem;
}

/* ==============================================
   RESPONSIVE STYLES
   ============================================== */

@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text {
        order: 1;
    }
    
    .hero-visual {
        order: 0;
        height: 300px;
    }
    
    .hero-cta {
        align-items: center;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .problems-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-2xl);
    }
    
    .process-steps::before {
        display: none;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
    
    .pricing-table-header,
    .pricing-table-row {
        grid-template-columns: 1fr 1.2fr 1.5fr 1.5fr;
        font-size: 0.875rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links,
    .nav-actions .btn {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-visual {
        display: none;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid,
    .problems-grid {
        grid-template-columns: 1fr;
    }
    
    .courses-dates {
        flex-direction: column;
        align-items: center;
    }
    
    .levels-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .pricing-table-container {
        overflow-x: auto;
    }
    
    .pricing-table-header,
    .pricing-table-row {
        grid-template-columns: 100px 120px 140px 140px;
        min-width: 500px;
        font-size: 0.8125rem;
    }
    
    .price-amount {
        font-size: 1.25rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .levels-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card {
        padding: var(--space-xl);
    }
    
    .btn-large {
        padding: var(--space-md) var(--space-xl);
        font-size: 1rem;
    }
}