/* ========================================
   CSS VARIABLES — DESIGN SYSTEM
   ======================================== */
:root {
    /* Primary Colors */
    --primary: #1a2a4a;      /* Navy/Dark Blue */
    --primary-light: #2a4066;
    --primary-dark: #0f1a2e;
    
    /* Secondary / Accent */
    --secondary: #6c3b9e;    /* Purple */
    --secondary-light: #8a5bc4;
    --secondary-dark: #4f2a73;
    
    /* Accent Gold */
    --accent: #f5c842;       /* Yellow/Gold */
    --accent-light: #f8d96a;
    --accent-dark: #d4a82e;
    
    /* WhatsApp Green */
    --whatsapp: #25D366;
    --whatsapp-dark: #1da851;
    --whatsapp-light: #30e07a;
    
    /* Nigeria Green (accent) */
    --nigeria-green: #008753;
    --nigeria-green-light: #00a86b;
    
    /* Neutrals */
    --background: #f8f6f2;
    --surface: #ffffff;
    --surface-dark: #f0ede8;
    --text: #1a1a1a;
    --text-light: #4a4a4a;
    --text-muted: #7a7a7a;
    --border: #e0dbd2;
    
    /* Utility */
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;
    
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    --line-height-tight: 1.2;
    --line-height-normal: 1.6;
    --line-height-relaxed: 1.8;
    
    /* Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.10);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.12);
    
    /* Container */
    --container-width: 1200px;
    --container-padding: 1.5rem;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

/* ========================================
   RESET & BASE
   ======================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--text);
    background-color: var(--background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
    text-decoration: underline;
}

/* ========================================
   CONTAINER
   ======================================== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ========================================
   TYPOGRAPHY UTILITY
   ======================================== */
.section-tag {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--secondary);
    background: rgba(108, 59, 158, 0.10);
    padding: 0.3rem 0.9rem;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-sm);
}

.section-tag--accent {
    color: var(--accent-dark);
    background: rgba(245, 200, 66, 0.15);
}

.section-tag--light {
    color: var(--text-light);
    background: rgba(255, 255, 255, 0.15);
}

.highlight {
    color: var(--secondary);
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-base);
    text-decoration: none !important;
    padding: 0.75rem 1.5rem;
    line-height: 1.4;
    min-height: 48px;
    position: relative;
    text-align: center;
}

.btn:hover {
    text-decoration: none !important;
    transform: translateY(-2px);
}

.btn:active {
    transform: translateY(0);
}

.btn:focus-visible {
    outline: 3px solid var(--secondary);
    outline-offset: 2px;
}

.btn--small {
    font-size: var(--font-size-sm);
    padding: 0.5rem 1rem;
    min-height: 38px;
}

.btn--large {
    font-size: var(--font-size-lg);
    padding: 0.9rem 2rem;
    min-height: 56px;
}

.btn--xlarge {
    font-size: var(--font-size-xl);
    padding: 1.1rem 2.5rem;
    min-height: 64px;
}

.btn--primary {
    background: var(--secondary);
    color: #ffffff;
}

.btn--primary:hover {
    background: var(--secondary-dark);
    box-shadow: var(--shadow-lg);
}

.btn--primary:active {
    background: var(--secondary-dark);
}

.btn--whatsapp {
    background: var(--whatsapp);
    color: #ffffff;
}

.btn--whatsapp:hover {
    background: var(--whatsapp-dark);
    box-shadow: var(--shadow-lg);
}

.btn--whatsapp:active {
    background: var(--whatsapp-dark);
}

.btn--outline {
    background: transparent;
    color: var(--text);
    border: 2px solid var(--border);
}

.btn--outline:hover {
    border-color: var(--secondary);
    color: var(--secondary);
    background: rgba(108, 59, 158, 0.04);
}

/* ========================================
   HEADER
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0,0,0,0.04);
    padding: 0.6rem 0;
}

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

.header__brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.header__logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: var(--secondary);
    color: #ffffff;
    font-weight: var(--font-weight-extrabold);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-sm);
}

.header__brand-name {
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-base);
    color: var(--text);
}

.header__nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.header__nav-link {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-light);
    transition: var(--transition-fast);
}

.header__nav-link:hover {
    color: var(--secondary);
    text-decoration: none;
}

.header__cta {
    display: inline-flex;
}

.header__menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.header__menu-toggle span {
    display: block;
    width: 24px;
    height: 2.5px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition-base);
}

.header__menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.header__menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.header__menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ========================================
   STICKY CTA (Mobile)
   ======================================== */
.sticky-cta {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 999;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--border);
    padding: 0.6rem 0;
}

.sticky-cta__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.8rem;
}

.sticky-cta__price {
    display: flex;
    align-items: baseline;
    gap: 0.6rem;
}

.sticky-cta__price-current {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-extrabold);
    color: var(--secondary);
}

.sticky-cta__price-original {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    text-decoration: line-through;
}

/* ========================================
   HERO
   ======================================== */
.hero {
    padding: 8rem 0 var(--space-2xl);
    background: linear-gradient(165deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

/* Nigeria-inspired overlay */
.hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 60%;
    height: 80%;
    background: radial-gradient(circle, rgba(0, 135, 83, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

/* Nigeria flag subtle accent */
.hero::after {
    content: '🇳🇬';
    position: absolute;
    bottom: 20px;
    right: 30px;
    font-size: 3rem;
    opacity: 0.06;
    pointer-events: none;
}

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

.hero__badge {
    display: inline-block;
    background: rgba(245, 200, 66, 0.20);
    color: var(--accent);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    padding: 0.3rem 1rem;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
}

.hero__title {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-extrabold);
    line-height: var(--line-height-tight);
    margin-bottom: var(--space-md);
}

.hero__highlight {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    color: var(--text-muted);
    font-weight: var(--font-weight-normal);
}

.hero__description {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.80);
    max-width: 520px;
    margin-bottom: var(--space-lg);
    line-height: var(--line-height-relaxed);
}

.hero__stats {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.hero__stat {
    display: flex;
    flex-direction: column;
}

.hero__stat-number {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--accent);
}

.hero__stat-label {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.60);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.hero__trust {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.50);
}

.hero__image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    width: 100%;
    height: auto;
    object-fit: cover;
    aspect-ratio: 1 / 1;
}

/* ========================================
   TRUST STRIP
   ======================================== */
.trust-strip {
    background: var(--surface);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--border);
}

.trust-strip__inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-lg) var(--space-xl);
}

.trust-strip__item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-light);
}

.trust-strip__icon {
    font-size: var(--font-size-xl);
}

/* ========================================
   PROBLEM / TRANSFORMATION
   ======================================== */
.problem {
    padding: var(--space-2xl) 0;
    background: var(--surface);
}

.problem__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
}

.problem__title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-extrabold);
    margin-bottom: var(--space-md);
}

.problem__text {
    color: var(--text-light);
    margin-bottom: var(--space-sm);
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
}

.problem__transformation {
    background: var(--background);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--nigeria-green);
}

.problem__transformation-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-md);
    color: var(--primary);
}

.problem__transformation-list {
    list-style: none;
    padding: 0;
}

.problem__transformation-list li {
    padding: 0.4rem 0;
    font-size: var(--font-size-base);
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ========================================
   COURSES
   ======================================== */
.courses {
    padding: var(--space-2xl) 0;
    background: var(--background);
}

.courses__inner {
    text-align: center;
}

.courses__title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-extrabold);
    margin-bottom: var(--space-sm);
    color: var(--primary);
}

.courses__subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto var(--space-lg);
}

.courses__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-md);
    text-align: left;
}

.course-card {
    background: var(--surface);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    transition: var(--transition-base);
}

.course-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--secondary-light);
}

.course-card__number {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    color: var(--text-muted);
    margin-bottom: 0.3rem;
}

.course-card__title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-bold);
    margin-bottom: 0.3rem;
    color: var(--primary);
}

.course-card__description {
    font-size: var(--font-size-sm);
    color: var(--text-light);
    line-height: var(--line-height-normal);
    margin-bottom: 0.6rem;
}

.course-card__tag {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--secondary);
    background: rgba(108, 59, 158, 0.08);
    padding: 0.15rem 0.6rem;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* ========================================
   AUDIENCE
   ======================================== */
.audience {
    padding: var(--space-2xl) 0;
    background: var(--surface);
}

.audience__inner {
    text-align: center;
}

.audience__title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-extrabold);
    margin-bottom: var(--space-lg);
    color: var(--primary);
}

.audience__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--space-md);
    text-align: left;
}

.audience__item {
    background: var(--background);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.audience__item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-sm);
}

.audience__icon {
    font-size: var(--font-size-2xl);
    display: block;
    margin-bottom: 0.4rem;
}

.audience__item h3 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-bold);
    color: var(--primary);
    margin-bottom: 0.2rem;
}

.audience__item p {
    font-size: var(--font-size-sm);
    color: var(--text-light);
    line-height: var(--line-height-normal);
}

/* ========================================
   PRICING
   ======================================== */
.pricing {
    padding: var(--space-2xl) 0;
    background: linear-gradient(165deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    color: #ffffff;
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* Nigeria flag subtle accent on pricing */
.pricing::after {
    content: '🇳🇬';
    position: absolute;
    bottom: 20px;
    left: 30px;
    font-size: 4rem;
    opacity: 0.05;
    pointer-events: none;
}

.pricing__inner {
    position: relative;
    z-index: 1;
}

.pricing__title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-extrabold);
    margin-bottom: var(--space-sm);
}

.pricing__price-current {
    font-size: var(--font-size-5xl);
    color: var(--accent);
}

.pricing__comparison {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
    margin-bottom: var(--space-sm);
}

.pricing__price-original {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.50);
    text-decoration: line-through;
}

.pricing__savings {
    display: inline-block;
    background: rgba(34, 197, 94, 0.20);
    color: #4ade80;
    font-weight: var(--font-weight-semibold);
    padding: 0.2rem 1rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
}

.pricing__note {
    color: rgba(255, 255, 255, 0.70);
    margin-bottom: var(--space-lg);
    font-size: var(--font-size-base);
}

.pricing__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.pricing__trust {
    color: rgba(255, 255, 255, 0.50);
    font-size: var(--font-size-sm);
}

/* ========================================
   FAQ
   ======================================== */
.faq {
    padding: var(--space-2xl) 0;
    background: var(--surface);
}

.faq__inner {
    max-width: 720px;
    margin: 0 auto;
}

.faq__title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-extrabold);
    margin-bottom: var(--space-lg);
    text-align: center;
    color: var(--primary);
}

.faq__list {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.faq__item {
    background: var(--background);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    transition: var(--transition-base);
}

.faq__item:hover {
    border-color: var(--secondary-light);
}

.faq__question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
    cursor: pointer;
    list-style: none;
    user-select: none;
}

.faq__question::-webkit-details-marker {
    display: none;
}

.faq__question::after {
    content: '+';
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-normal);
    color: var(--text-muted);
    transition: var(--transition-base);
    flex-shrink: 0;
    margin-left: var(--space-sm);
}

.faq__item[open] .faq__question::after {
    content: '−';
}

.faq__answer {
    padding: 0 var(--space-md) var(--space-md);
    color: var(--text-light);
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
}

.faq__answer p {
    margin-bottom: 0.4rem;
}

.faq__answer p:last-child {
    margin-bottom: 0;
}

/* ========================================
   FINAL CTA
   ======================================== */
.final-cta {
    padding: var(--space-2xl) 0;
    background: linear-gradient(165deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    color: #ffffff;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.final-cta::after {
    content: '🇳🇬';
    position: absolute;
    bottom: 20px;
    right: 30px;
    font-size: 5rem;
    opacity: 0.05;
    pointer-events: none;
}

.final-cta__inner {
    position: relative;
    z-index: 1;
}

.final-cta__title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-extrabold);
    margin-bottom: var(--space-sm);
}

.final-cta__subtitle {
    font-size: var(--font-size-xl);
    color: rgba(255, 255, 255, 0.80);
    margin-bottom: var(--space-lg);
}

.final-cta__subtitle strong {
    color: var(--accent);
}

.final-cta__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.final-cta__note {
    color: rgba(255, 255, 255, 0.50);
    font-size: var(--font-size-sm);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--primary-dark);
    color: rgba(255, 255, 255, 0.60);
    padding: var(--space-xl) 0 var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer__inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-lg);
    align-items: start;
}

.footer__logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: var(--secondary);
    color: #ffffff;
    font-weight: var(--font-weight-extrabold);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-sm);
    margin-bottom: 0.4rem;
}

.footer__description {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.50);
    max-width: 280px;
}

.footer__country {
    font-size: var(--font-size-sm);
    color: var(--accent);
    margin-top: 0.3rem;
}

.footer__links {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.footer__links a {
    color: rgba(255, 255, 255, 0.60);
    font-size: var(--font-size-sm);
    transition: var(--transition-fast);
}

.footer__links a:hover {
    color: #ffffff;
    text-decoration: none;
}

.footer__contact {
    font-size: var(--font-size-sm);
}

.footer__contact a {
    color: rgba(255, 255, 255, 0.60);
}

.footer__contact a:hover {
    color: #ffffff;
    text-decoration: none;
}

.footer__copy {
    grid-column: 1 / -1;
    text-align: center;
    padding-top: var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.30);
}

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

/* 1024px and below */
@media (max-width: 1024px) {
    .hero__title {
        font-size: var(--font-size-4xl);
    }
    
    .pricing__title {
        font-size: var(--font-size-3xl);
    }
    
    .pricing__price-current {
        font-size: var(--font-size-4xl);
    }
}

/* 768px and below — Tablet */
@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
        --space-xl: 3rem;
        --space-2xl: 4rem;
    }

    .header__brand-name {
        display: none;
    }
    
    .header__nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.98);
        padding: var(--space-md);
        border-bottom: 1px solid var(--border);
        gap: 0.8rem;
    }
    
    .header__nav.is-open {
        display: flex;
    }
    
    .header__menu-toggle {
        display: flex;
    }
    
    .header__cta {
        width: 100%;
        justify-content: center;
    }

    .hero {
        padding: 6rem 0 var(--space-xl);
    }
    
    .hero__inner {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
        text-align: center;
    }
    
    .hero__title {
        font-size: var(--font-size-3xl);
    }
    
    .hero__description {
        font-size: var(--font-size-base);
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero__stats {
        justify-content: center;
    }
    
    .hero__actions {
        justify-content: center;
    }
    
    .hero__image {
        max-width: 400px;
        margin: 0 auto;
    }

    .trust-strip__inner {
        gap: var(--space-sm) var(--space-md);
    }
    
    .trust-strip__item {
        font-size: var(--font-size-xs);
    }

    .problem__inner {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .problem__title {
        font-size: var(--font-size-2xl);
    }
    
    .problem__text {
        font-size: var(--font-size-base);
    }

    .courses__title {
        font-size: var(--font-size-3xl);
    }
    
    .courses__grid {
        grid-template-columns: 1fr 1fr;
    }

    .audience__title {
        font-size: var(--font-size-3xl);
    }
    
    .audience__grid {
        grid-template-columns: 1fr 1fr;
    }

    .pricing__title {
        font-size: var(--font-size-2xl);
    }
    
    .pricing__price-current {
        font-size: var(--font-size-3xl);
    }
    
    .btn--xlarge {
        font-size: var(--font-size-lg);
        padding: 0.9rem 1.5rem;
        min-height: 56px;
    }

    .final-cta__title {
        font-size: var(--font-size-3xl);
    }
    
    .final-cta__subtitle {
        font-size: var(--font-size-lg);
    }

    .footer__inner {
        grid-template-columns: 1fr;
        gap: var(--space-md);
        text-align: center;
    }
    
    .footer__description {
        max-width: 100%;
        margin: 0 auto;
    }
    
    .footer__links {
        flex-direction: row;
        justify-content: center;
        flex-wrap: wrap;
        gap: 0.6rem 1.5rem;
    }
    
    .footer__contact {
        text-align: center;
    }

    .sticky-cta {
        display: block;
    }
    
    .btn--large {
        font-size: var(--font-size-base);
        padding: 0.7rem 1.2rem;
        min-height: 48px;
    }
    
    .btn--whatsapp {
        font-size: var(--font-size-sm);
        padding: 0.6rem 1rem;
        min-height: 44px;
    }
}

/* 480px and below — Mobile */
@media (max-width: 480px) {
    :root {
        --space-xl: 2.5rem;
        --space-2xl: 3rem;
    }

    .hero__title {
        font-size: var(--font-size-2xl);
    }
    
    .hero__stat-number {
        font-size: var(--font-size-xl);
    }

    .courses__grid {
        grid-template-columns: 1fr;
    }
    
    .audience__grid {
        grid-template-columns: 1fr;
    }

    .pricing__price-current {
        font-size: var(--font-size-2xl);
    }
    
    .pricing__comparison {
        flex-direction: column;
        gap: 0.3rem;
    }
    
    .btn--xlarge {
        font-size: var(--font-size-base);
        padding: 0.8rem 1.2rem;
        min-height: 50px;
        width: 100%;
    }
    
    .btn--large {
        width: 100%;
        justify-content: center;
    }

    .hero__actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero__actions .btn {
        width: 100%;
        justify-content: center;
    }

    .pricing__actions {
        flex-direction: column;
        width: 100%;
    }
    
    .pricing__actions .btn {
        width: 100%;
        justify-content: center;
    }

    .final-cta__title {
        font-size: var(--font-size-2xl);
    }
    
    .final-cta__actions {
        flex-direction: column;
        width: 100%;
    }
    
    .final-cta__actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero::after {
        font-size: 2rem;
        bottom: 10px;
        right: 15px;
    }
    
    .pricing::after {
        font-size: 2.5rem;
        bottom: 10px;
        left: 15px;
    }
    
    .final-cta::after {
        font-size: 3rem;
        bottom: 10px;
        right: 15px;
    }
}

/* ========================================
   ACCESSIBILITY — REDUCED MOTION
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* ========================================
   FOCUS VISIBLE
   ======================================== */
:focus-visible {
    outline: 3px solid var(--secondary);
    outline-offset: 2px;
}