/* ============================================
   "YESTERYEAR" LANDING PAGE — MOBILE FIRST
   Amazon Color Palette:
   - Navy Dark:   #131921
   - Navy Light:  #232f3e
   - Amazon Orange: #FF9900
   - Button Gold: #FEBD69 / #F0C14B
   - Link Blue:   #007185
   - Star Yellow: #FFA41C
   - BG Gray:     #EAEDED
   - Text Dark:   #0F1111
   Breakpoints (min-width):
   - Base:  mobile (< 650px)
   - 650px: large phone / small tablet
   - 950px: tablet / small desktop
   - 1200px: desktop
   ============================================ */

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

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

body {
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    color: #0F1111;
    background: #fff;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-tap-highlight-color: transparent;
}

a {
    text-decoration: none;
    color: #007185;
}

a:hover {
    color: #C7511F;
    text-decoration: underline;
}

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

/* ============================================
   STAR RATING SYSTEM (4.2 / 5)
   ============================================ */
.stars {
    display: inline-flex;
    font-size: 16px;
    line-height: 1;
    letter-spacing: 2px;
}

.stars .star-full {
    color: #FFA41C;
}

.stars .star-empty {
    color: #DDD;
}

.stars .star-partial {
    background: linear-gradient(to right,
        #FFA41C var(--partial, 20%),
        #DDD var(--partial, 20%));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.stars-lg {
    font-size: 24px;
}

.rating-value {
    font-weight: 700;
    color: #0F1111;
    font-size: 15px;
}

.rating-count {
    color: #555;
    font-size: 13px;
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
    background: #131921;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.nav-inner {
    max-width: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    height: 56px;
}

.brand {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.5px;
}

.brand:hover {
    color: #FF9900;
    text-decoration: none;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Hide text links on mobile, show only CTA */
.nav-links a:not(.nav-cta) {
    display: none;
}

.nav-links a {
    color: #fff;
    font-size: 14px;
    font-weight: 500;
}

.nav-links a:hover {
    color: #FF9900;
    text-decoration: none;
}

.nav-cta {
    background: linear-gradient(to bottom, #f7dfa5, #f0c14b);
    color: #0F1111 !important;
    padding: 8px 16px;
    border-radius: 6px;
    border: 1px solid #a88734;
    font-weight: 700 !important;
    font-size: 14px;
}

.nav-cta:hover {
    background: linear-gradient(to bottom, #f5d78e, #eeb933);
    color: #0F1111 !important;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    background: linear-gradient(135deg, #131921 0%, #232f3e 100%);
    color: #fff;
    overflow: hidden;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255,153,0,0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-inner {
    max-width: 100%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 30px;
    padding: 40px 16px;
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-text {
    max-width: 100%;
}

.hero-tag {
    display: inline-block;
    background: rgba(255,153,0,0.15);
    color: #FF9900;
    font-size: 12px;
    font-weight: 700;
    padding: 5px 12px;
    border-radius: 20px;
    margin-bottom: 16px;
    border: 1px solid rgba(255,153,0,0.3);
}

.hero-title {
    font-size: 36px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 6px;
    letter-spacing: -1px;
}

.hero-author {
    font-size: 16px;
    color: #FF9900;
    margin-bottom: 16px;
    font-weight: 500;
}

.hero-rating {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

.hero-rating .stars {
    font-size: 18px;
}

.hero-rating .rating-value {
    color: #fff;
    font-size: 17px;
}

.hero-rating .rating-count {
    color: #ccc;
}

.hero-desc {
    font-size: 15px;
    line-height: 1.7;
    color: #ddd;
    margin-bottom: 24px;
}

.hero-cta {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
    flex-direction: column;
}

.hero-badges {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
}

.badge {
    color: #76BC21;
    font-size: 13px;
    font-weight: 500;
}

/* Hero Image */
.hero-image {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 20px;
}

.hero-download-btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.hero-image img {
    max-height: 320px;
    width: auto;
    margin: 0 auto;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
    position: relative;
    z-index: 2;
}

.book-glow {
    position: absolute;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(255,153,0,0.2) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 1;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(to bottom, #f7dfa5, #f0c14b);
    color: #0F1111;
    border: 1px solid #a88734;
    padding: 14px 24px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    min-height: 48px;
    justify-content: center;
}

.btn-primary:hover {
    background: linear-gradient(to bottom, #f5d78e, #eeb933);
    box-shadow: 0 2px 8px rgba(0,0,0,0.25);
    color: #0F1111;
    text-decoration: none;
    transform: translateY(-1px);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: #fff;
    border: 1px solid #555;
    padding: 14px 24px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    min-height: 48px;
    justify-content: center;
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.1);
    border-color: #fff;
    color: #fff;
    text-decoration: none;
}

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-icon {
    font-size: 18px;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    background: #EAEDED;
    padding: 50px 0;
}

.section-inner {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 16px;
}

.section-title {
    font-size: 26px;
    font-weight: 700;
    text-align: center;
    color: #131921;
    margin-bottom: 6px;
}

.section-subtitle {
    text-align: center;
    color: #007185;
    font-size: 14px;
    margin-bottom: 30px;
    font-weight: 500;
}

.about-grid {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.about-text p {
    font-size: 15px;
    line-height: 1.8;
    color: #0F1111;
    margin-bottom: 14px;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.stat-card {
    background: #fff;
    border: 1px solid #e7e7e7;
    border-radius: 12px;
    padding: 16px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.stat-number {
    font-size: 28px;
    font-weight: 700;
    color: #131921;
    line-height: 1;
    margin-bottom: 4px;
}

.stat-unit {
    font-size: 14px;
    color: #555;
}

.stat-stars {
    font-size: 14px;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 12px;
    color: #555;
    font-weight: 500;
}

/* ============================================
   DOWNLOAD SECTION
   ============================================ */
.download-section {
    background: #131921;
    padding: 50px 0;
    position: relative;
    overflow: hidden;
}

.download-section::before {
    content: '';
    position: absolute;
    bottom: -150px;
    left: -150px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255,153,0,0.06) 0%, transparent 70%);
    border-radius: 50%;
}

.download-inner {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 16px;
    position: relative;
    z-index: 1;
}

.download-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.download-left {
    background: #232f3e;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px;
}

.download-left img {
    max-height: 220px;
    width: auto;
    border-radius: 6px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

.download-right {
    padding: 24px;
}

.download-right h2 {
    font-size: 22px;
    color: #131921;
    margin-bottom: 10px;
}

.download-rating {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.pdf-edition-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    padding: 12px 16px;
    background: linear-gradient(135deg, #FEF9F0, #FFF3E0);
    border: 1px solid #FF9900;
    border-radius: 10px;
}

.pdf-icon {
    font-size: 24px;
}

.pdf-label {
    font-size: 16px;
    font-weight: 700;
    color: #131921;
    flex: 1;
}

.pdf-free {
    background: #007600;
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
    letter-spacing: 1px;
}

.download-features {
    list-style: none;
    margin-bottom: 24px;
}

.download-features li {
    font-size: 14px;
    color: #0F1111;
    padding: 6px 0;
    border-bottom: 1px solid #f0f0f0;
}

.download-features li:last-child {
    border-bottom: none;
}

.download-note {
    margin-top: 12px;
    font-size: 12px;
    color: #555;
}

/* ============================================
   REVIEWS SECTION
   ============================================ */
.reviews {
    background: #fff;
    padding: 50px 0;
}

.rating-summary {
    display: flex;
    flex-direction: column;
    gap: 24px;
    max-width: 100%;
    margin: 0 auto 40px;
    align-items: center;
    padding: 24px 16px;
    background: #EAEDED;
    border-radius: 16px;
}

.rating-big {
    text-align: center;
}

.rating-big-number {
    font-size: 42px;
    font-weight: 700;
    color: #131921;
    line-height: 1;
    margin-bottom: 6px;
}

.rating-big .stars {
    margin-bottom: 6px;
}

.rating-big-count {
    font-size: 13px;
    color: #555;
}

.rating-bars {
    display: flex;
    flex-direction: column;
    gap: 6px;
    width: 100%;
}

.bar-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
}

.bar-label {
    width: 30px;
    color: #007185;
    font-weight: 600;
}

.bar-track {
    flex: 1;
    height: 16px;
    background: #fff;
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid #e0e0e0;
}

.bar-fill {
    height: 100%;
    background: linear-gradient(to right, #FFA41C, #FF9900);
    border-radius: 4px;
    transition: width 0.8s ease;
}

.bar-pct {
    width: 35px;
    color: #555;
    font-size: 12px;
}

/* Review Grid */
.review-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.review-card {
    background: #fff;
    border: 1px solid #e7e7e7;
    border-radius: 12px;
    padding: 20px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.review-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    border-color: #FF9900;
}

.review-stars {
    margin-bottom: 10px;
}

.review-title {
    font-size: 15px;
    font-weight: 700;
    color: #131921;
    margin-bottom: 10px;
    line-height: 1.4;
}

.review-text {
    font-size: 14px;
    line-height: 1.7;
    color: #0F1111;
    margin-bottom: 16px;
}

.reviewer {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-top: 14px;
    border-top: 1px solid #f0f0f0;
}

.reviewer-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #232f3e;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
    flex-shrink: 0;
}

.reviewer-name {
    font-size: 13px;
    font-weight: 700;
    color: #0F1111;
}

.reviewer-meta {
    font-size: 11px;
    color: #007600;
}

/* ============================================
   FINAL CTA
   ============================================ */
.final-cta {
    background: linear-gradient(135deg, #232f3e 0%, #131921 100%);
    padding: 50px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.final-cta::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255,153,0,0.05) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-inner {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 16px;
    position: relative;
    z-index: 1;
}

.cta-inner h2 {
    font-size: 26px;
    color: #fff;
    margin-bottom: 12px;
}

.cta-inner p {
    font-size: 15px;
    color: #ccc;
    margin-bottom: 24px;
}

.cta-stars {
    margin-top: 20px;
    font-size: 20px;
}

.cta-rating {
    display: block;
    margin-top: 6px;
    color: #999;
    font-size: 13px;
}

/* ============================================
   FOOTER
   ============================================ */
footer {
    background: #131921;
    color: #ddd;
    padding: 40px 0 0;
}

.footer-inner {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 16px 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 20px;
}

.footer-brand .brand {
    font-size: 20px;
    margin-bottom: 4px;
}

.footer-brand p {
    font-size: 13px;
    color: #999;
}

.footer-links {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    color: #ddd;
    font-size: 13px;
}

.footer-links a:hover {
    color: #FF9900;
    text-decoration: none;
}

.footer-bottom {
    border-top: 1px solid #232f3e;
    padding: 16px;
    text-align: center;
}

.footer-bottom p {
    font-size: 12px;
    color: #777;
}

/* ============================================
   DOWNLOAD MODAL
   ============================================ */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.modal-overlay.active {
    display: flex;
}

.modal-content {
    background: #fff;
    border-radius: 16px;
    padding: 32px 24px;
    max-width: 440px;
    width: 100%;
    text-align: center;
    position: relative;
    animation: modalIn 0.3s ease;
}

@keyframes modalIn {
    from { opacity: 0; transform: translateY(-20px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-close {
    position: absolute;
    top: 12px;
    right: 16px;
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: #555;
    line-height: 1;
    min-width: 44px;
    min-height: 44px;
}

.modal-close:hover {
    color: #0F1111;
}

.modal-icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.modal-content h2 {
    font-size: 20px;
    margin-bottom: 6px;
    color: #131921;
}

.modal-content p {
    font-size: 14px;
    color: #555;
    margin-bottom: 6px;
}

.modal-subtitle {
    margin-bottom: 20px !important;
}

.btn-modal {
    margin: 0 auto 12px;
}

.modal-info {
    font-size: 12px !important;
    color: #999 !important;
}

/* ============================================
   LOADING OVERLAY
   ============================================ */
.loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 10000;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.loading-overlay.active {
    display: flex;
}

.loading-content {
    background: #fff;
    border-radius: 16px;
    padding: 32px 24px;
    max-width: 400px;
    width: 100%;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    animation: modalIn 0.3s ease;
}

.loading-spinner {
    width: 44px;
    height: 44px;
    border: 4px solid #EAEDED;
    border-top: 4px solid #FF9900;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 16px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-content h2 {
    font-size: 20px;
    color: #131921;
    margin-bottom: 20px;
}

.loading-bar-track {
    width: 100%;
    height: 12px;
    background: #EAEDED;
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 12px;
    border: 1px solid #e0e0e0;
}

.loading-bar-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(to right, #FFA41C, #FF9900);
    border-radius: 6px;
    transition: width 0.3s ease;
}

.loading-text {
    font-size: 13px;
    color: #555;
}

/* ============================================
   SOCIAL PROOF NOTIFICATION
   ============================================ */
.social-proof {
    position: fixed;
    bottom: 16px;
    left: 16px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    padding: 14px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 9000;
    max-width: 320px;
    transform: translateX(-400px);
    transition: transform 0.4s ease;
    border: 1px solid #e7e7e7;
}

.social-proof.show {
    transform: translateX(0);
}

.social-proof-icon {
    width: 40px;
    height: 40px;
    background: #FEF9F0;
    border: 1px solid #FF9900;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.social-proof-content {
    flex: 1;
    min-width: 0;
}

.social-proof-name {
    font-size: 14px;
    font-weight: 700;
    color: #131921;
    margin-bottom: 2px;
}

.social-proof-text {
    font-size: 13px;
    color: #0F1111;
    margin-bottom: 2px;
}

.social-proof-time {
    font-size: 11px;
    color: #007600;
}

.social-proof-close {
    background: none;
    border: none;
    font-size: 20px;
    color: #999;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    flex-shrink: 0;
    min-width: 24px;
    min-height: 24px;
}

.social-proof-close:hover {
    color: #0F1111;
}

/* ============================================
   TABLET — min-width: 650px
   ============================================ */
@media (min-width: 650px) {
    .nav-inner {
        max-width: 100%;
        padding: 0 24px;
        height: 60px;
    }

    .brand {
        font-size: 22px;
    }

    .nav-links {
        gap: 20px;
    }

    .nav-links a:not(.nav-cta) {
        display: inline;
    }

    .nav-cta {
        padding: 8px 20px;
    }

    .hero-inner {
        padding: 60px 24px;
        gap: 40px;
    }

    .hero-title {
        font-size: 48px;
    }

    .hero-author {
        font-size: 18px;
    }

    .hero-rating .stars {
        font-size: 20px;
    }

    .hero-desc {
        font-size: 16px;
    }

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

    .hero-image img {
        max-height: 380px;
    }

    .book-glow {
        width: 300px;
        height: 300px;
    }

    .section-title {
        font-size: 30px;
    }

    .section-subtitle {
        font-size: 15px;
    }

    .about {
        padding: 60px 0;
    }

    .section-inner {
        padding: 0 24px;
    }

    .about-text p {
        font-size: 16px;
    }

    .stat-number {
        font-size: 32px;
    }

    .download-section {
        padding: 60px 0;
    }

    .download-inner {
        padding: 0 24px;
    }

    .download-left img {
        max-height: 260px;
    }

    .download-right {
        padding: 30px;
    }

    .download-right h2 {
        font-size: 24px;
    }

    .review-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }

    .review-card {
        padding: 24px;
    }

    .rating-summary {
        padding: 30px 24px;
    }

    .rating-big-number {
        font-size: 48px;
    }

    .final-cta {
        padding: 60px 0;
    }

    .cta-inner {
        padding: 0 24px;
    }

    .cta-inner h2 {
        font-size: 30px;
    }

    .cta-inner p {
        font-size: 16px;
    }

    .footer-inner {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
        padding: 0 24px 30px;
    }

    .footer-links {
        justify-content: flex-end;
    }
}

/* ============================================
   DESKTOP — min-width: 950px
   ============================================ */
@media (min-width: 950px) {
    .nav-inner {
        max-width: 1200px;
        height: 64px;
    }

    .brand {
        font-size: 24px;
    }

    .nav-links {
        gap: 28px;
    }

    .nav-links a {
        font-size: 15px;
    }

    .nav-cta {
        padding: 8px 20px;
        font-size: 15px;
    }

    .hero-inner {
        max-width: 1200px;
        display: grid;
        grid-template-columns: 1fr 400px;
        gap: 60px;
        padding: 80px 24px;
        text-align: left;
    }

    .hero-text {
        max-width: 600px;
    }

    .hero-tag {
        font-size: 13px;
    }

    .hero-title {
        font-size: 64px;
    }

    .hero-author {
        font-size: 20px;
    }

    .hero-rating {
        justify-content: flex-start;
    }

    .hero-rating .stars {
        font-size: 22px;
    }

    .hero-rating .rating-value {
        font-size: 20px;
    }

    .hero-desc {
        font-size: 17px;
    }

    .hero-cta {
        justify-content: flex-start;
    }

    .hero-badges {
        justify-content: flex-start;
    }

    .hero-image img {
        max-height: 500px;
    }

    .book-glow {
        width: 350px;
        height: 350px;
    }

    .btn-primary {
        padding: 14px 32px;
        font-size: 16px;
    }

    .btn-secondary {
        padding: 14px 32px;
        font-size: 16px;
    }

    .btn-large {
        padding: 18px 40px;
        font-size: 18px;
    }

    .about {
        padding: 80px 0;
    }

    .section-inner {
        max-width: 1200px;
    }

    .section-title {
        font-size: 36px;
    }

    .section-subtitle {
        font-size: 16px;
        margin-bottom: 50px;
    }

    .about-grid {
        display: grid;
        grid-template-columns: 1.5fr 1fr;
        gap: 50px;
    }

    .about-text p {
        font-size: 16px;
    }

    .about-stats {
        gap: 16px;
    }

    .stat-card {
        padding: 24px;
    }

    .stat-number {
        font-size: 36px;
    }

    .stat-unit {
        font-size: 18px;
    }

    .stat-stars {
        font-size: 16px;
    }

    .stat-label {
        font-size: 13px;
    }

    .download-section {
        padding: 80px 0;
    }

    .download-inner {
        max-width: 1000px;
    }

    .download-card {
        display: grid;
        grid-template-columns: 300px 1fr;
    }

    .download-left {
        padding: 40px;
    }

    .download-left img {
        max-height: 320px;
    }

    .download-right {
        padding: 40px;
    }

    .download-right h2 {
        font-size: 28px;
    }

    .pdf-edition-badge {
        padding: 14px 20px;
    }

    .pdf-icon {
        font-size: 28px;
    }

    .pdf-label {
        font-size: 18px;
    }

    .pdf-free {
        font-size: 14px;
    }

    .download-features li {
        font-size: 15px;
    }

    .download-note {
        font-size: 13px;
    }

    .reviews {
        padding: 80px 0;
    }

    .rating-summary {
        display: grid;
        grid-template-columns: 250px 1fr;
        gap: 50px;
        max-width: 800px;
        margin: 0 auto 60px;
        padding: 30px;
    }

    .rating-big-number {
        font-size: 56px;
    }

    .rating-big .stars {
        font-size: 28px;
    }

    .rating-big-count {
        font-size: 14px;
    }

    .bar-row {
        font-size: 14px;
    }

    .bar-label {
        width: 35px;
    }

    .bar-track {
        height: 18px;
    }

    .bar-pct {
        width: 40px;
        font-size: 13px;
    }

    .review-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }

    .review-card {
        padding: 28px;
    }

    .review-title {
        font-size: 16px;
    }

    .review-text {
        font-size: 14px;
    }

    .reviewer-avatar {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }

    .reviewer-name {
        font-size: 14px;
    }

    .reviewer-meta {
        font-size: 12px;
    }

    .final-cta {
        padding: 80px 0;
    }

    .final-cta::before {
        width: 600px;
        height: 600px;
    }

    .cta-inner {
        max-width: 700px;
    }

    .cta-inner h2 {
        font-size: 36px;
    }

    .cta-inner p {
        font-size: 18px;
    }

    .cta-stars {
        font-size: 24px;
    }

    .cta-rating {
        font-size: 14px;
    }

    footer {
        padding: 50px 0 0;
    }

    .footer-inner {
        max-width: 1200px;
        padding: 0 24px 40px;
    }

    .footer-brand .brand {
        font-size: 22px;
    }

    .footer-brand p {
        font-size: 14px;
    }

    .footer-links {
        gap: 24px;
    }

    .footer-links a {
        font-size: 14px;
    }

    .footer-bottom p {
        font-size: 13px;
    }

    .modal-content {
        padding: 48px 40px;
        max-width: 440px;
    }

    .modal-icon {
        font-size: 56px;
    }

    .modal-content h2 {
        font-size: 24px;
    }

    .modal-content p {
        font-size: 15px;
    }

    .loading-content {
        padding: 48px 40px;
        max-width: 400px;
    }

    .loading-spinner {
        width: 50px;
        height: 50px;
    }

    .loading-content h2 {
        font-size: 22px;
    }

    .loading-bar-track {
        height: 14px;
    }

    .loading-text {
        font-size: 14px;
    }
}