/* =====================================================
   SLEEP LEAN - LANDING PAGE STYLES
   Medical Professional Theme - Mobile-First Design
   ===================================================== */

/* =====================================================
   CSS VARIABLES & ROOT SETTINGS
   ===================================================== */
:root {
    --primary-dark: #1E40AF;
    --primary: #3B82F6;
    --primary-light: #93C5FD;
    --primary-lighter: #DBEAFE;
    --accent: #10B981;
    --accent-dark: #059669;
    --accent-light: #D1FAE5;
    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    --gold: #F59E0B;
    --red: #EF4444;
    --green: #22C55E;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

html {
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    scroll-behavior: smooth;
    font-size: 16px;
}

* {
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
}

input, select, textarea {
    font-size: 16px;
}

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

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

ul, ol {
    list-style: none;
}

/* =====================================================
   UTILITY CLASSES
   ===================================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
}

.section {
    padding: 50px 0;
}

@media (min-width: 768px) {
    .section {
        padding: 70px 0;
    }
}

@media (min-width: 1024px) {
    .section {
        padding: 90px 0;
    }
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-title {
    font-size: 26px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 16px;
    line-height: 1.3;
}

@media (min-width: 768px) {
    .section-title {
        font-size: 34px;
    }
}

@media (min-width: 1024px) {
    .section-title {
        font-size: 42px;
    }
}

.section-subtitle {
    font-size: 16px;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .section-subtitle {
        font-size: 18px;
    }
}

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    min-height: 50px;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: scale(0.98);
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-accent:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-large {
    padding: 18px 40px;
    font-size: 18px;
    min-height: 58px;
}

.btn-full {
    width: 100%;
}

/* =====================================================
   NAVIGATION
   ===================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
    background: rgba(255, 255, 255, 0.98);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

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

.brand-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.brand-text {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-dark);
}

.navbar-menu {
    display: none;
    gap: 35px;
}

@media (min-width: 768px) {
    .navbar-menu {
        display: flex;
    }
}

.navbar-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--gray-700);
    transition: color var(--transition-fast);
    position: relative;
}

.navbar-link:hover {
    color: var(--primary);
}

.navbar-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition-normal);
}

.navbar-link:hover::after {
    width: 100%;
}

.navbar-cta {
    display: none;
}

@media (min-width: 768px) {
    .navbar-cta {
        display: block;
    }
}

.navbar-cta .btn {
    padding: 10px 22px;
    font-size: 14px;
    min-height: 42px;
}

.menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 48px;
    height: 48px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

@media (min-width: 768px) {
    .menu-toggle {
        display: none;
    }
}

.menu-toggle span {
    display: block;
    width: 26px;
    height: 3px;
    background: var(--gray-700);
    margin: 3px 0;
    transition: all var(--transition-normal);
    border-radius: 2px;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.mobile-menu {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 20px;
    box-shadow: var(--shadow-lg);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 999;
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.mobile-menu-link {
    display: block;
    padding: 16px 0;
    font-size: 17px;
    font-weight: 500;
    color: var(--gray-700);
    border-bottom: 1px solid var(--gray-100);
}

.mobile-menu-cta {
    margin-top: 20px;
}

.mobile-menu-cta .btn {
    width: 100%;
}

/* =====================================================
   HERO SECTION
   ===================================================== */
.hero {
    padding-top: 90px;
    background: linear-gradient(180deg, var(--primary-lighter) 0%, var(--white) 100%);
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
    padding: 40px 20px;
}

@media (min-width: 768px) {
    .hero-container {
        flex-direction: row;
        padding: 60px 20px;
    }
}

@media (min-width: 1024px) {
    .hero-container {
        padding: 80px 20px;
        gap: 80px;
    }
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image img {
    max-width: 300px;
    width: 100%;
    filter: drop-shadow(0 25px 50px rgba(30, 64, 175, 0.25));
    animation: heroFloat 4s ease-in-out infinite;
}

@keyframes heroFloat {
    0%, 100% { transform: translateY(0) rotate(-2deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
}

@media (min-width: 768px) {
    .hero-image img {
        max-width: 350px;
    }
}

@media (min-width: 1024px) {
    .hero-image img {
        max-width: 420px;
    }
}

.hero-content {
    flex: 1;
    text-align: center;
}

@media (min-width: 768px) {
    .hero-content {
        text-align: left;
    }
}

.hero-badge {
    display: inline-block;
    background: var(--accent-light);
    color: var(--accent-dark);
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
    50% { transform: scale(1.02); box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
}

.hero-title {
    font-size: 32px;
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1.2;
    margin-bottom: 24px;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 42px;
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 52px;
    }
}

.hero-title span {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 17px;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 20px;
}

@media (min-width: 768px) {
    .hero-description {
        font-size: 18px;
    }
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 32px;
}

@media (min-width: 480px) {
    .hero-cta {
        flex-direction: row;
        justify-content: center;
    }
}

@media (min-width: 768px) {
    .hero-cta {
        justify-content: flex-start;
    }
}

.hero-cta .btn {
    width: 100%;
}

@media (min-width: 480px) {
    .hero-cta .btn {
        width: auto;
    }
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--gray-200);
    flex-wrap: wrap;
}

@media (min-width: 768px) {
    .hero-stats {
        justify-content: flex-start;
    }
}

.hero-stat {
    text-align: center;
}

.hero-stat-number {
    font-size: 26px;
    font-weight: 700;
    color: var(--primary-dark);
}

@media (min-width: 768px) {
    .hero-stat-number {
        font-size: 30px;
    }
}

.hero-stat-label {
    font-size: 13px;
    color: var(--gray-500);
    margin-top: 4px;
}

/* =====================================================
   WHY CHOOSE US SECTION
   ===================================================== */
.why-choose {
    background: var(--gray-50);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

@media (min-width: 768px) {
    .trust-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }
}

.trust-card {
    background: var(--white);
    padding: 28px 20px;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border: 1px solid var(--gray-100);
}

.trust-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.trust-card-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 18px;
    border-radius: 16px;
    overflow: hidden;
}

@media (min-width: 768px) {
    .trust-card-icon {
        width: 90px;
        height: 90px;
    }
}

.trust-card-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.trust-card-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 10px;
}

@media (min-width: 768px) {
    .trust-card-title {
        font-size: 17px;
    }
}

.trust-card-desc {
    font-size: 13px;
    color: var(--gray-500);
    line-height: 1.6;
}

@media (min-width: 768px) {
    .trust-card-desc {
        font-size: 14px;
    }
}

/* =====================================================
   WHAT IS SECTION
   ===================================================== */
.what-is {
    background: var(--white);
}

.what-is-container {
    display: flex;
    flex-direction: column;
    gap: 40px;
    align-items: center;
}

@media (min-width: 768px) {
    .what-is-container {
        flex-direction: row;
        gap: 70px;
    }
}

.what-is-content {
    flex: 1;
}

.what-is-content h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 28px;
}

@media (min-width: 768px) {
    .what-is-content h2 {
        font-size: 36px;
    }
}

.what-is-content p {
    font-size: 16px;
    color: var(--gray-600);
    line-height: 1.85;
    margin-bottom: 22px;
}

.what-is-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.what-is-image img {
    max-width: 320px;
    width: 100%;
    border-radius: 24px;
    box-shadow: var(--shadow-xl);
}

@media (min-width: 768px) {
    .what-is-image img {
        max-width: 380px;
    }
}

/* =====================================================
   HOW IT WORKS SECTION
   ===================================================== */
.how-it-works {
    background: linear-gradient(180deg, var(--primary-lighter) 0%, var(--white) 100%);
}

.accordion {
    max-width: 850px;
    margin: 0 auto;
}

.accordion-item {
    background: var(--white);
    border-radius: 16px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    border: 1px solid var(--gray-100);
}

.accordion-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 24px;
    cursor: pointer;
    min-height: 70px;
    transition: background var(--transition-fast);
}

.accordion-header:hover {
    background: var(--gray-50);
}

.accordion-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: 14px;
}

@media (min-width: 768px) {
    .accordion-header h3 {
        font-size: 18px;
    }
}

.accordion-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-lighter);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 18px;
}

.accordion-arrow {
    width: 28px;
    height: 28px;
    transition: transform var(--transition-normal);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--gray-400);
}

.accordion-item.active .accordion-arrow {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.accordion-item.active .accordion-content {
    max-height: 400px;
}

.accordion-body {
    padding: 0 24px 24px;
    padding-left: 78px;
    color: var(--gray-600);
    line-height: 1.85;
    font-size: 15px;
}

@media (max-width: 767px) {
    .accordion-body {
        padding-left: 24px;
    }
}

/* =====================================================
   REVIEWS SECTION
   ===================================================== */
.reviews {
    background: var(--gray-50);
}

.reviews-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 576px) {
    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .reviews-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.review-card {
    background: var(--white);
    padding: 32px 28px;
    border-radius: 24px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid var(--gray-100);
}

.review-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.review-avatar {
    width: 65px;
    height: 65px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--primary-light);
}

.review-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.review-info h4 {
    font-size: 17px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.review-info p {
    font-size: 13px;
    color: var(--gray-500);
}

.review-stars {
    display: flex;
    gap: 4px;
    margin-bottom: 18px;
}

.review-stars span {
    font-size: 18px;
}

.review-text {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.75;
    font-style: italic;
}

.review-verified {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 18px;
    font-size: 13px;
    color: var(--accent);
    font-weight: 600;
}

/* =====================================================
   PRICING SECTION
   ===================================================== */
.pricing {
    background: linear-gradient(180deg, var(--white) 0%, var(--primary-lighter) 100%);
}

.countdown-wrapper {
    text-align: center;
    margin-bottom: 45px;
}

.countdown-label {
    font-size: 17px;
    color: var(--gray-600);
    margin-bottom: 14px;
}

.countdown-timer {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--red) 0%, #DC2626 100%);
    color: var(--white);
    padding: 14px 30px;
    border-radius: 50px;
    font-size: 28px;
    font-weight: 700;
    animation: timerPulse 1s infinite;
    box-shadow: 0 4px 20px rgba(239, 68, 68, 0.4);
}

@keyframes timerPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

@media (min-width: 768px) {
    .countdown-timer {
        font-size: 36px;
        padding: 18px 40px;
    }
}

.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 28px;
    max-width: 1050px;
    margin: 0 auto;
}

@media (min-width: 576px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
        align-items: center;
    }
}

.pricing-card {
    background: var(--white);
    border-radius: 28px;
    padding: 36px 28px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    position: relative;
    transition: all var(--transition-normal);
    border: 2px solid var(--gray-100);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.pricing-card.popular {
    background: linear-gradient(180deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: var(--white);
    border: 2px solid var(--primary);
}

@media (min-width: 992px) {
    .pricing-card.popular {
        transform: scale(1.08);
        z-index: 10;
    }
    .pricing-card.popular:hover {
        transform: scale(1.12);
    }
}

.pricing-label {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gold);
    color: var(--white);
    padding: 8px 24px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    white-space: nowrap;
    box-shadow: var(--shadow-md);
}

.pricing-card.popular .pricing-label {
    background: var(--accent);
}

.pricing-bottles {
    font-size: 50px;
    font-weight: 800;
    margin: 24px 0 8px;
}

.pricing-supply {
    font-size: 15px;
    opacity: 0.85;
    margin-bottom: 24px;
}

.pricing-image {
    height: 130px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

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

.pricing-price {
    margin-bottom: 10px;
}

.pricing-per-bottle {
    font-size: 15px;
    opacity: 0.8;
}

.pricing-per-bottle span {
    font-size: 42px;
    font-weight: 800;
}

.pricing-total {
    margin-bottom: 24px;
}

.pricing-original {
    font-size: 20px;
    text-decoration: line-through;
    opacity: 0.55;
    margin-right: 10px;
}

.pricing-discounted {
    font-size: 26px;
    font-weight: 700;
}

.pricing-badges {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 24px;
}

.pricing-badge {
    display: inline-block;
    background: var(--accent-light);
    color: var(--accent-dark);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
}

.pricing-card.popular .pricing-badge {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.pricing-cta .btn {
    width: 100%;
    min-height: 54px;
    font-size: 16px;
}

.pricing-card.popular .btn-primary {
    background: var(--white);
    color: var(--primary-dark);
}

.pricing-card.popular .btn-primary:hover {
    background: var(--gray-100);
}

.pricing-payment {
    margin-top: 18px;
    display: flex;
    justify-content: center;
    gap: 10px;
    font-size: 24px;
    opacity: 0.7;
}

.pricing-rating {
    margin-top: 50px;
    text-align: center;
}

.pricing-rating p {
    font-size: 16px;
    color: var(--gray-600);
}

/* =====================================================
   INGREDIENTS SECTION
   ===================================================== */
.ingredients {
    background: var(--white);
}

.ingredients-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
}

@media (min-width: 768px) {
    .ingredients-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .ingredients-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.ingredient-card {
    background: var(--gray-50);
    padding: 26px;
    border-radius: 18px;
    border-left: 5px solid var(--primary);
    transition: all var(--transition-normal);
}

.ingredient-card:hover {
    background: var(--primary-lighter);
    transform: translateX(5px);
}

.ingredient-card h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.ingredient-card p {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.7;
}

/* =====================================================
   SCIENTIFIC EVIDENCE SECTION
   ===================================================== */
.scientific {
    background: var(--gray-50);
}

.scientific-content {
    max-width: 850px;
    margin: 0 auto;
}

.scientific-item {
    background: var(--white);
    padding: 28px;
    border-radius: 18px;
    margin-bottom: 18px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
}

.scientific-item h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.scientific-item p {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.75;
}

.scientific-item .reference {
    margin-top: 14px;
    font-size: 13px;
    color: var(--gray-400);
    font-style: italic;
}

/* =====================================================
   GUARANTEE SECTION
   ===================================================== */
.guarantee {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: var(--white);
}

.guarantee-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 45px;
    text-align: center;
}

@media (min-width: 768px) {
    .guarantee-container {
        flex-direction: row;
        text-align: left;
    }
}

.guarantee-badge {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    min-width: 200px;
}

.guarantee-badge-icon {
    font-size: 60px;
    margin-bottom: 15px;
}

.guarantee-badge-text {
    font-size: 18px;
    font-weight: 700;
}

.guarantee-content h2 {
    font-size: 30px;
    font-weight: 700;
    margin-bottom: 28px;
}

@media (min-width: 768px) {
    .guarantee-content h2 {
        font-size: 38px;
    }
}

.guarantee-points {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.guarantee-point {
    display: flex;
    align-items: flex-start;
    gap: 18px;
}

.guarantee-point-icon {
    width: 46px;
    height: 46px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 22px;
}

.guarantee-point h4 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 6px;
}

.guarantee-point p {
    font-size: 15px;
    opacity: 0.9;
    line-height: 1.65;
}

/* =====================================================
   BENEFITS SECTION
   ===================================================== */
.benefits {
    background: var(--white);
}

.benefits-list {
    max-width: 750px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

@media (min-width: 576px) {
    .benefits-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 22px;
    background: var(--gray-50);
    border-radius: 14px;
    transition: all var(--transition-normal);
}

.benefit-item:hover {
    background: var(--primary-lighter);
    transform: translateX(8px);
}

.benefit-icon {
    width: 46px;
    height: 46px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 22px;
    color: var(--white);
}

.benefit-item span {
    font-size: 16px;
    font-weight: 500;
    color: var(--gray-800);
}

/* =====================================================
   FAQ SECTION
   ===================================================== */
.faq {
    background: var(--gray-50);
}

.faq-list {
    max-width: 850px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: 14px;
    margin-bottom: 14px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    border: 1px solid var(--gray-100);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 26px;
    cursor: pointer;
    min-height: 70px;
    transition: background var(--transition-fast);
}

.faq-question:hover {
    background: var(--gray-50);
}

.faq-question h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-900);
    padding-right: 20px;
}

@media (min-width: 768px) {
    .faq-question h4 {
        font-size: 17px;
    }
}

.faq-arrow {
    width: 28px;
    height: 28px;
    transition: transform var(--transition-normal);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--gray-400);
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.faq-item.active .faq-answer {
    max-height: 350px;
}

.faq-answer-content {
    padding: 0 26px 26px;
    color: var(--gray-600);
    line-height: 1.8;
    font-size: 15px;
}

/* =====================================================
   FINAL CTA SECTION
   ===================================================== */
.final-cta {
    background: linear-gradient(180deg, var(--primary-lighter) 0%, var(--white) 50%, var(--primary-lighter) 100%);
    text-align: center;
}

.final-cta-image {
    margin-bottom: 36px;
}

.final-cta-image img {
    max-width: 280px;
    margin: 0 auto;
    filter: drop-shadow(0 25px 50px rgba(30, 64, 175, 0.3));
    animation: finalFloat 4s ease-in-out infinite;
}

@keyframes finalFloat {
    0%, 100% { transform: translateY(0) rotate(-3deg); }
    50% { transform: translateY(-25px) rotate(3deg); }
}

@media (min-width: 768px) {
    .final-cta-image img {
        max-width: 340px;
    }
}

.final-cta h2 {
    font-size: 26px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 28px;
    line-height: 1.3;
}

@media (min-width: 768px) {
    .final-cta h2 {
        font-size: 36px;
    }
}

.final-cta-pricing {
    margin-bottom: 36px;
}

.final-cta-original {
    font-size: 26px;
    color: var(--gray-400);
    text-decoration: line-through;
    margin-bottom: 10px;
}

.final-cta-special {
    font-size: 38px;
    font-weight: 800;
    color: var(--accent);
}

@media (min-width: 768px) {
    .final-cta-special {
        font-size: 48px;
    }
}

.final-cta .btn {
    min-width: 300px;
}

@media (max-width: 479px) {
    .final-cta .btn {
        width: 100%;
        min-width: auto;
    }
}

/* =====================================================
   FOOTER
   ===================================================== */
.footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: 60px 0 35px;
}

.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 35px;
}

@media (min-width: 768px) {
    .footer-container {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 26px;
}

.footer-link {
    font-size: 14px;
    color: var(--gray-400);
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--white);
}

.footer-social {
    display: flex;
    gap: 18px;
}

.footer-social a {
    width: 44px;
    height: 44px;
    background: var(--gray-800);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
    font-size: 18px;
    color: var(--gray-400);
}

.footer-social a:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-4px);
}

.footer-disclaimer {
    border-top: 1px solid var(--gray-800);
    padding-top: 35px;
    margin-top: 35px;
    font-size: 12px;
    line-height: 1.85;
    color: var(--gray-500);
}

.footer-copyright {
    text-align: center;
    margin-top: 25px;
    font-size: 13px;
}

/* =====================================================
   PURCHASE NOTIFICATION POPUP
   ===================================================== */
.purchase-notification {
    position: fixed;
    bottom: 24px;
    left: 24px;
    background: var(--white);
    padding: 18px 22px;
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 14px;
    max-width: 340px;
    z-index: 1000;
    transform: translateX(-120%);
    transition: transform var(--transition-normal);
    border: 1px solid var(--gray-100);
}

.purchase-notification.show {
    transform: translateX(0);
}

.purchase-notification-icon {
    width: 46px;
    height: 46px;
    background: var(--accent-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 22px;
}

.purchase-notification-content p {
    font-size: 13px;
    color: var(--gray-500);
    margin-bottom: 3px;
}

.purchase-notification-content strong {
    font-size: 14px;
    color: var(--gray-900);
    display: block;
}

.purchase-notification-time {
    font-size: 11px;
    color: var(--gray-400);
    margin-top: 4px;
    display: block;
}

/* =====================================================
   SCROLL TO TOP BUTTON
   ===================================================== */
.scroll-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    z-index: 999;
    font-size: 24px;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
}

/* =====================================================
   ANIMATIONS & REDUCED MOTION
   ===================================================== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(35px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.fade-in-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.fade-in-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* =====================================================
   LOADING SCREEN
   ===================================================== */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loading.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-spinner {
    width: 55px;
    height: 55px;
    border: 4px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}