/* English Ease Up - Redesigned Styles */
/* Unique class naming: olu-* prefix (Olena's Lessons Unique) */

/* ===== FONT AWESOME CDN is in HTML ===== */

:root {
    /* Primary - Coral (Superprof style) */
    --olu-coral: #FF6363;
    --olu-coral-dark: #E55555;
    --olu-coral-light: #FF8585;

    /* Text colors */
    --olu-dark: #2D3748;
    --olu-gray: #718096;
    --olu-gray-light: #A0AEC0;

    /* Background colors */
    --olu-white: #FFFFFF;
    --olu-light: #F7FAFC;
    --olu-cream: #FFFAF5;

    /* Utility */
    --olu-line: #E2E8F0;
    --olu-success: #48BB78;
    --olu-gold: #F6AD55;

    /* Shadows */
    --olu-shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --olu-shadow: 0 4px 20px rgba(0,0,0,0.08);
    --olu-shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--olu-dark);
    background: var(--olu-white);
    line-height: 1.6;
    font-size: 16px;
}

a {
    color: var(--olu-coral);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--olu-coral-dark);
}

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

/* ===== NAVIGATION (olu-topbar) ===== */
.olu-topbar {
    background: var(--olu-white);
    border-bottom: 1px solid var(--olu-line);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: box-shadow 0.3s ease;
}

.olu-topbar.sticky {
    box-shadow: var(--olu-shadow);
}

.olu-topbar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.olu-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--olu-dark);
}

.olu-logo span {
    color: var(--olu-coral);
}

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

.olu-menu a {
    color: var(--olu-dark);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

.olu-menu a:hover {
    color: var(--olu-coral);
}

.olu-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    text-align: center;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
}

.olu-btn-coral {
    background: var(--olu-coral);
    color: white;
}

.olu-btn-coral:hover {
    background: var(--olu-coral-dark);
    color: white;
    transform: translateY(-1px);
}

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

.olu-btn-outline:hover {
    background: var(--olu-coral);
    color: white;
}

.olu-btn-white {
    background: white;
    color: var(--olu-coral);
}

.olu-btn-white:hover {
    background: var(--olu-light);
    color: var(--olu-coral-dark);
}

.olu-btn-lg {
    padding: 16px 32px;
    font-size: 1.05rem;
}

/* Mobile burger */
.olu-burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.olu-burger span {
    width: 25px;
    height: 3px;
    background: var(--olu-dark);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* ===== WELCOME SECTION (olu-welcome) ===== */
.olu-welcome {
    padding: 140px 24px 80px;
    background: linear-gradient(135deg, var(--olu-cream) 0%, var(--olu-white) 100%);
}

.olu-welcome-inner {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.olu-welcome-photo {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--olu-shadow-lg);
}

.olu-welcome-photo img {
    width: 100%;
    height: auto;
    display: block;
}

.olu-welcome-content h1 {
    font-size: 2.75rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 16px;
    color: var(--olu-dark);
}

.olu-welcome-content h1 span {
    color: var(--olu-coral);
}

/* Rating */
.olu-rating {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.olu-rating-stars {
    color: var(--olu-gold);
    font-size: 1.2rem;
}

.olu-rating-text {
    color: var(--olu-gray);
    font-size: 0.95rem;
}

/* Tags */
.olu-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.olu-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--olu-white);
    border: 1px solid var(--olu-line);
    padding: 10px 16px;
    border-radius: 30px;
    font-size: 0.9rem;
    color: var(--olu-dark);
    box-shadow: var(--olu-shadow-sm);
}

.olu-tag i {
    color: var(--olu-coral);
    font-size: 1rem;
}

.olu-welcome-text {
    font-size: 1.1rem;
    color: var(--olu-gray);
    margin-bottom: 28px;
    line-height: 1.7;
}

/* ===== TRUST BADGES (olu-badges) ===== */
.olu-badges {
    background: var(--olu-white);
    padding: 28px 24px;
    border-bottom: 1px solid var(--olu-line);
}

.olu-badges-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px 48px;
    max-width: 1200px;
    margin: 0 auto;
}

.olu-badge-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: var(--olu-dark);
}

.olu-badge-item i {
    color: var(--olu-success);
    font-size: 1.1rem;
}

/* ===== SECTIONS GENERAL ===== */
.olu-section {
    padding: 80px 24px;
}

.olu-section-alt {
    background: var(--olu-light);
}

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

.olu-section-header {
    text-align: center;
    margin-bottom: 50px;
}

.olu-section-header h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--olu-dark);
}

.olu-section-header p {
    color: var(--olu-gray);
    font-size: 1.05rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== BENEFITS (olu-benefits) ===== */
.olu-benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.olu-benefit-card {
    background: var(--olu-white);
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--olu-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.olu-benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--olu-shadow-lg);
}

.olu-benefit-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--olu-coral) 0%, var(--olu-coral-dark) 100%);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.olu-benefit-icon i {
    font-size: 1.6rem;
    color: white;
}

.olu-benefit-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--olu-dark);
}

.olu-benefit-card p {
    color: var(--olu-gray);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ===== COURSES (olu-courses) ===== */
.olu-courses-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.olu-course-card {
    background: var(--olu-white);
    padding: 28px;
    border-radius: 12px;
    border: 1px solid var(--olu-line);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.olu-course-card:hover {
    border-color: var(--olu-coral);
    box-shadow: 0 5px 20px rgba(255, 99, 99, 0.1);
}

.olu-course-card h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--olu-coral);
}

.olu-course-card p {
    color: var(--olu-gray);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ===== FEEDBACK (olu-feedback) ===== */
.olu-feedback-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.olu-feedback-card {
    background: var(--olu-white);
    padding: 30px;
    border-radius: 16px;
    box-shadow: var(--olu-shadow);
    display: flex;
    flex-direction: column;
}

.olu-feedback-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.olu-feedback-flag {
    font-size: 1.5rem;
}

.olu-feedback-stars {
    color: var(--olu-gold);
    font-size: 1rem;
}

.olu-feedback-quote {
    font-style: italic;
    margin-bottom: 20px;
    color: var(--olu-dark);
    line-height: 1.7;
    flex-grow: 1;
}

.olu-feedback-author {
    display: flex;
    align-items: center;
    gap: 14px;
}

.olu-author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.1rem;
    color: white;
}

.olu-avatar-rose { background: #ED64A6; }
.olu-avatar-blue { background: #4299E1; }
.olu-avatar-teal { background: #38B2AC; }
.olu-avatar-purple { background: #9F7AEA; }
.olu-avatar-orange { background: #ED8936; }

.olu-author-info h4 {
    font-size: 1rem;
    margin-bottom: 2px;
    color: var(--olu-dark);
}

.olu-author-info p {
    font-size: 0.85rem;
    color: var(--olu-gray);
}

.olu-feedback-date {
    margin-top: 16px;
    font-size: 0.8rem;
    color: var(--olu-gray-light);
    text-align: right;
}

/* ===== STEPS (olu-steps) ===== */
.olu-steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.olu-step-item {
    text-align: center;
}

.olu-step-number {
    width: 64px;
    height: 64px;
    background: var(--olu-coral);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    font-weight: 700;
    margin: 0 auto 20px;
    box-shadow: 0 4px 15px rgba(255, 99, 99, 0.3);
}

.olu-step-item h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--olu-dark);
}

.olu-step-item p {
    color: var(--olu-gray);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ===== ACTION CTA (olu-action) ===== */
.olu-action {
    background: linear-gradient(135deg, var(--olu-coral) 0%, var(--olu-coral-dark) 100%);
    color: white;
    text-align: center;
    padding: 80px 24px;
}

.olu-action h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    font-weight: 700;
}

.olu-action p {
    font-size: 1.15rem;
    opacity: 0.95;
    margin-bottom: 32px;
}

/* ===== FOOTER (olu-footer) ===== */
.olu-footer {
    background: var(--olu-dark);
    color: white;
    padding: 50px 24px 30px;
}

.olu-footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.olu-footer-brand .olu-logo {
    color: white;
    margin-bottom: 16px;
    display: inline-block;
}

.olu-footer-brand p {
    color: rgba(255,255,255,0.7);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

/* Social Icons */
.olu-social {
    display: flex;
    gap: 12px;
}

.olu-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
    transition: all 0.2s ease;
}

.olu-social a:hover {
    background: var(--olu-coral);
    transform: scale(1.1);
}

.olu-footer-col h4 {
    font-size: 1rem;
    margin-bottom: 20px;
    color: white;
}

.olu-footer-col ul {
    list-style: none;
}

.olu-footer-col li {
    margin-bottom: 10px;
}

.olu-footer-col a {
    color: rgba(255,255,255,0.7);
    transition: color 0.2s ease;
}

.olu-footer-col a:hover {
    color: white;
}

.olu-footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-top: 40px;
    padding-top: 20px;
    text-align: center;
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
}

/* ===== ABOUT PAGE ===== */
.olu-profile {
    padding: 140px 24px 60px;
    background: var(--olu-light);
}

.olu-profile-inner {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 60px;
    align-items: start;
    max-width: 1200px;
    margin: 0 auto;
}

.olu-profile-photo {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--olu-shadow-lg);
}

.olu-profile-photo img {
    width: 100%;
    display: block;
}

.olu-profile-info h1 {
    font-size: 2.5rem;
    margin-bottom: 8px;
    color: var(--olu-dark);
}

.olu-profile-role {
    color: var(--olu-coral);
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.olu-profile-quote {
    font-style: italic;
    color: var(--olu-gray);
    border-left: 4px solid var(--olu-coral);
    padding-left: 20px;
    margin-bottom: 30px;
    line-height: 1.7;
}

.olu-profile-bio p {
    margin-bottom: 15px;
    line-height: 1.8;
    color: var(--olu-dark);
}

/* Qualifications Grid */
.olu-quals-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
}

.olu-qual-card {
    background: var(--olu-white);
    padding: 28px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--olu-shadow);
}

.olu-qual-icon {
    font-size: 2rem;
    color: var(--olu-coral);
    margin-bottom: 12px;
}

.olu-qual-card h4 {
    font-size: 1rem;
    margin-bottom: 6px;
    color: var(--olu-dark);
}

.olu-qual-card p {
    font-size: 0.85rem;
    color: var(--olu-gray);
}

/* Method/Approach Grid */
.olu-method-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.olu-method-card {
    display: flex;
    gap: 20px;
    background: var(--olu-white);
    padding: 28px;
    border-radius: 12px;
    box-shadow: var(--olu-shadow);
}

.olu-method-icon {
    width: 54px;
    height: 54px;
    background: linear-gradient(135deg, var(--olu-coral) 0%, var(--olu-coral-dark) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.olu-method-icon i {
    font-size: 1.4rem;
    color: white;
}

.olu-method-text h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--olu-dark);
}

.olu-method-text p {
    color: var(--olu-gray);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Pricing Cards */
.olu-pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.olu-price-card {
    background: var(--olu-white);
    padding: 36px;
    border-radius: 16px;
    border: 2px solid var(--olu-line);
    text-align: center;
    transition: border-color 0.3s ease;
}

.olu-price-card:hover {
    border-color: var(--olu-coral);
}

.olu-price-card.featured {
    border-color: var(--olu-coral);
    position: relative;
}

.olu-price-card.featured::before {
    content: 'Popular';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--olu-coral);
    color: white;
    padding: 5px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.olu-price-card h3 {
    font-size: 1.3rem;
    margin-bottom: 16px;
    color: var(--olu-dark);
}

.olu-price-amount {
    font-size: 2.75rem;
    font-weight: 700;
    color: var(--olu-coral);
    margin-bottom: 4px;
}

.olu-price-period {
    color: var(--olu-gray);
    margin-bottom: 24px;
}

.olu-price-features {
    list-style: none;
    text-align: left;
    margin-bottom: 28px;
}

.olu-price-features li {
    padding: 10px 0;
    color: var(--olu-gray);
    position: relative;
    padding-left: 28px;
}

.olu-price-features li::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--olu-success);
}

.olu-price-note {
    text-align: center;
    margin-top: 30px;
    color: var(--olu-gray);
}

/* FAQ */
.olu-faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.olu-faq-item {
    background: var(--olu-white);
    padding: 28px 32px;
    border-radius: 12px;
    margin-bottom: 16px;
    box-shadow: var(--olu-shadow-sm);
}

.olu-faq-question {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--olu-dark);
    font-weight: 600;
}

.olu-faq-answer {
    color: var(--olu-gray);
    line-height: 1.7;
}

/* Contact Section */
.olu-contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    max-width: 1000px;
    margin: 0 auto;
}

.olu-contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 28px;
    color: var(--olu-dark);
}

.olu-contact-row {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
    align-items: center;
}

.olu-contact-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--olu-coral) 0%, var(--olu-coral-dark) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.olu-contact-icon i {
    color: white;
    font-size: 1.2rem;
}

.olu-contact-row h4 {
    font-size: 0.9rem;
    color: var(--olu-gray);
    margin-bottom: 4px;
    font-weight: 500;
}

.olu-contact-row p {
    font-size: 1rem;
    color: var(--olu-dark);
}

.olu-contact-row a {
    color: var(--olu-dark);
}

.olu-contact-row a:hover {
    color: var(--olu-coral);
}

.olu-contact-box {
    background: var(--olu-light);
    padding: 40px;
    border-radius: 16px;
    text-align: center;
}

.olu-contact-box h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: var(--olu-dark);
}

.olu-contact-box p {
    color: var(--olu-gray);
    margin-bottom: 28px;
}

.olu-payment-note {
    margin-top: 24px;
    font-size: 0.9rem;
    color: var(--olu-gray);
}

/* ===== PRIVACY PAGE ===== */
.olu-legal {
    padding: 140px 24px 80px;
    max-width: 800px;
    margin: 0 auto;
}

.olu-legal h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: var(--olu-dark);
}

.olu-legal-date {
    color: var(--olu-gray);
    margin-bottom: 40px;
}

.olu-legal h2 {
    font-size: 1.5rem;
    margin-top: 40px;
    margin-bottom: 16px;
    color: var(--olu-coral);
}

.olu-legal p {
    margin-bottom: 16px;
    line-height: 1.8;
    color: var(--olu-dark);
}

.olu-legal ul {
    margin-bottom: 16px;
    padding-left: 28px;
}

.olu-legal li {
    margin-bottom: 10px;
    line-height: 1.7;
    color: var(--olu-dark);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
    .olu-welcome-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .olu-welcome-photo {
        max-width: 400px;
        margin: 0 auto;
    }

    .olu-tags {
        justify-content: center;
    }

    .olu-benefits-grid,
    .olu-feedback-grid,
    .olu-steps-grid {
        grid-template-columns: 1fr;
    }

    .olu-courses-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .olu-footer-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .olu-social {
        justify-content: center;
    }

    .olu-profile-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .olu-profile-photo {
        max-width: 300px;
        margin: 0 auto;
    }

    .olu-profile-quote {
        text-align: left;
    }

    .olu-quals-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .olu-pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }

    .olu-contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .olu-topbar-inner {
        padding: 12px 16px;
    }

    .olu-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--olu-white);
        flex-direction: column;
        padding: 24px;
        border-top: 1px solid var(--olu-line);
        box-shadow: var(--olu-shadow);
        gap: 20px;
    }

    .olu-menu.open {
        display: flex;
    }

    .olu-burger {
        display: flex;
    }

    .olu-welcome {
        padding: 120px 16px 60px;
    }

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

    .olu-courses-grid {
        grid-template-columns: 1fr;
    }

    .olu-section-header h2 {
        font-size: 1.75rem;
    }

    .olu-action h2 {
        font-size: 1.75rem;
    }

    .olu-quals-grid {
        grid-template-columns: 1fr;
    }

    .olu-method-grid {
        grid-template-columns: 1fr;
    }

    .olu-profile-info h1 {
        font-size: 2rem;
    }
}