/* ============================================
   BÍBLIA DAS GÍRIAS 2026 - LANDING PAGE
   Design Premium | Mobile First
   ============================================ */

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

:root {
    --primary: #7c3aed;
    --primary-light: #a78bfa;
    --primary-dark: #5b21b6;
    --accent: #06b6d4;
    --accent-light: #67e8f9;
    --bg-dark: #0a0a0f;
    --bg-card: #13131f;
    --bg-card-hover: #1a1a2e;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --border: rgba(255, 255, 255, 0.08);
    --gradient-primary: linear-gradient(135deg, #7c3aed 0%, #06b6d4 100%);
    --gradient-hero: linear-gradient(180deg, #0a0a0f 0%, #1a0a2e 50%, #0a0a0f 100%);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 60px rgba(124, 58, 237, 0.3);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

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

/* === NAVBAR === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo {
    font-size: 1.1rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-badge {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 3px 8px;
    background: var(--gradient-primary);
    border-radius: 20px;
    color: white;
    -webkit-text-fill-color: white;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-menu a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    position: relative;
}

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

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

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

.nav-cta {
    padding: 10px 24px;
    background: var(--gradient-primary);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 4px 16px rgba(124, 58, 237, 0.3);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(124, 58, 237, 0.5);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

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

/* === HERO === */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    z-index: 0;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 50%, rgba(124, 58, 237, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 70% 50%, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
    animation: bgFloat 20s ease-in-out infinite;
}

@keyframes bgFloat {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-2%, 2%); }
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(124, 58, 237, 0.1);
    border: 1px solid rgba(124, 58, 237, 0.3);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--primary-light);
    margin-bottom: 24px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-title .highlight {
    display: block;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-top: 8px;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 520px;
    line-height: 1.7;
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 40px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

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

.hero-cta-group {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    padding: 16px 32px;
    border-radius: 100px;
    font-size: 1rem;
    box-shadow: 0 8px 24px rgba(124, 58, 237, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(124, 58, 237, 0.6);
}

.btn-large {
    padding: 18px 36px;
    font-size: 1.05rem;
}

.guarantee-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.guarantee-badge svg {
    color: var(--accent);
}

/* === HERO IMAGE === */
.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.ebook-mockup {
    position: relative;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.ebook-glow {
    position: absolute;
    inset: -40px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.4) 0%, transparent 70%);
    filter: blur(40px);
    z-index: -1;
}

.ebook-image {
    max-width: 420px;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.5));
}

.floating-elements {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.float-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    background: rgba(19, 19, 31, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 500;
    box-shadow: var(--shadow-md);
    animation: floatCard 4s ease-in-out infinite;
}

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

.float-card-2 {
    top: 50%;
    right: -15%;
    animation-delay: 1s;
}

.float-card-3 {
    bottom: 15%;
    left: 5%;
    animation-delay: 2s;
}

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

.emoji {
    font-size: 1.3rem;
}

/* === BENEFITS BAR === */
.benefits-bar {
    padding: 40px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: rgba(19, 19, 31, 0.5);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.benefit-item svg {
    color: var(--primary-light);
    flex-shrink: 0;
}

.benefit-item strong {
    display: block;
    font-size: 0.95rem;
    margin-bottom: 2px;
}

.benefit-item span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* === SECTIONS === */
.section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 64px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(124, 58, 237, 0.1);
    border: 1px solid rgba(124, 58, 237, 0.3);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 20px;
}

.section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* === PROBLEM === */
.problem {
    background: linear-gradient(180deg, var(--bg-dark) 0%, #0f0f1a 100%);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.problem-card {
    padding: 40px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.problem-card:hover {
    transform: translateY(-8px);
    border-color: rgba(124, 58, 237, 0.3);
    box-shadow: var(--shadow-glow);
}

.problem-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(124, 58, 237, 0.1);
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    color: var(--primary-light);
}

.problem-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.problem-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* === SOLUTION === */
.solution {
    background: var(--bg-dark);
}

.solution-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: center;
}

.solution-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 32px;
}

.solution-description strong {
    color: var(--text-primary);
}

.solution-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.solution-feature {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 1rem;
}

.feature-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.solution-image {
    display: flex;
    justify-content: center;
}

.solution-ebook {
    max-width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* === LEARN === */
.learn {
    background: linear-gradient(180deg, #0f0f1a 0%, var(--bg-dark) 100%);
}

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

.learn-card {
    padding: 36px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.learn-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
}

.learn-card:hover {
    transform: translateY(-6px);
    border-color: rgba(124, 58, 237, 0.3);
    background: var(--bg-card-hover);
}

.learn-card:hover::before {
    opacity: 1;
}

.learn-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(124, 58, 237, 0.1);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    color: var(--primary-light);
}

.learn-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.learn-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* === AUDIENCE === */
.audience {
    background: var(--bg-dark);
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.audience-card {
    padding: 32px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
}

.audience-card:hover {
    transform: translateY(-6px);
    border-color: rgba(124, 58, 237, 0.3);
    box-shadow: var(--shadow-glow);
}

.audience-emoji {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.audience-card h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.audience-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* === MOCKUP === */
.mockup {
    background: linear-gradient(180deg, var(--bg-dark) 0%, #0f0f1a 100%);
}

.mockup-showcase {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    align-items: center;
}

.mockup-item {
    text-align: center;
    transition: var(--transition);
}

.mockup-item:hover {
    transform: scale(1.05);
}

.mockup-featured {
    transform: scale(1.1);
}

.mockup-featured:hover {
    transform: scale(1.15);
}

.mockup-image {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    margin-bottom: 16px;
}

.mockup-label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(124, 58, 237, 0.1);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-light);
}

/* === OFFER === */
.offer {
    background: var(--bg-dark);
    position: relative;
}

.offer::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, rgba(124, 58, 237, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.offer-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.offer-badge {
    display: inline-block;
    padding: 8px 20px;
    background: var(--gradient-primary);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: 24px;
    animation: pulse 2s ease-in-out infinite;
}

.offer-title {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 12px;
}

.offer-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.price-container {
    margin-bottom: 40px;
}

.price-old {
    font-size: 1.2rem;
    color: var(--text-muted);
    text-decoration: line-through;
    margin-bottom: 8px;
}

.price-current {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 4px;
    margin-bottom: 12px;
}

.price-currency {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 12px;
}

.price-value {
    font-size: 5rem;
    font-weight: 800;
    line-height: 1;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-cents {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 12px;
}

.price-discount {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(6, 182, 212, 0.15);
    border: 1px solid rgba(6, 182, 212, 0.3);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent-light);
}

.offer-features {
    text-align: left;
    max-width: 480px;
    margin: 0 auto 40px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.offer-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.offer-feature svg {
    color: var(--accent);
    flex-shrink: 0;
}

.btn-offer {
    width: 100%;
    max-width: 480px;
    justify-content: center;
    font-size: 1.1rem;
    padding: 20px 40px;
    margin-bottom: 32px;
    animation: pulseGlow 2s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 8px 24px rgba(124, 58, 237, 0.4); }
    50% { box-shadow: 0 8px 40px rgba(124, 58, 237, 0.7); }
}

.offer-security {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}

.security-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.security-item svg {
    color: var(--accent);
}

/* === FAQ === */
.faq {
    background: linear-gradient(180deg, #0f0f1a 0%, var(--bg-dark) 100%);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: rgba(124, 58, 237, 0.3);
}

.faq-question {
    width: 100%;
    padding: 24px 28px;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    font-family: inherit;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--primary-light);
}

.faq-question svg {
    flex-shrink: 0;
    transition: var(--transition);
}

.faq-item.active .faq-question svg {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 28px 24px;
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* === FINAL CTA === */
.final-cta {
    background: var(--bg-dark);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.final-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, rgba(124, 58, 237, 0.15) 0%, transparent 70%);
}

.final-cta-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.final-cta-title {
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.15;
}

.final-cta-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.7;
}

.final-cta .btn-primary {
    margin: 0 auto;
}

/* === FOOTER === */
.footer {
    padding: 40px 0;
    border-top: 1px solid var(--border);
    background: var(--bg-dark);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-text {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    font-size: 0.85rem;
    color: var(--text-muted);
    transition: var(--transition);
}

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

/* === ANIMATIONS === */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
    }
    
    .hero-subtitle {
        margin: 0 auto 32px;
    }
    
    .hero-features {
        align-items: center;
    }
    
    .hero-cta-group {
        justify-content: center;
    }
    
    .solution-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .problem-grid,
    .learn-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .audience-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .mockup-showcase {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu,
    .nav-cta {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .section {
        padding: 70px 0;
    }
    
    .problem-grid,
    .learn-grid,
    .audience-grid {
        grid-template-columns: 1fr;
    }
    
    .mockup-showcase {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .mockup-featured {
        transform: none;
    }
    
    .mockup-featured:hover {
        transform: scale(1.03);
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .benefit-item {
        padding: 16px;
        background: var(--bg-card);
        border-radius: var(--radius-md);
    }
    
    .float-card {
        display: none;
    }
    
    .price-value {
        font-size: 4rem;
    }
    
    .offer-security {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .btn-large {
        padding: 16px 28px;
        font-size: 0.95rem;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .ebook-image {
        max-width: 280px;
    }
}