/* ========================================
   NERVITAL LANDING PAGE STYLES
   Medical Professional Design Theme
   Mobile-First Responsive Design
======================================== */

/* ========================================
   1. CSS RESET & BASE STYLES
======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

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

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #1f2937;
    background-color: #ffffff;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

input, select, textarea {
    font-size: 16px; /* Prevent zoom on iOS */
    font-family: inherit;
}

/* ========================================
   2. TYPOGRAPHY
======================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    color: #111827;
}

h1 {
    font-size: 2rem; /* 32px */
}

h2 {
    font-size: 1.75rem; /* 28px */
}

h3 {
    font-size: 1.375rem; /* 22px */
}

h4 {
    font-size: 1.125rem; /* 18px */
}

p {
    margin-bottom: 1rem;
    line-height: 1.7;
}

/* ========================================
   3. CONTAINER & LAYOUT
======================================== */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 60px 0;
}

/* ========================================
   4. BUTTONS
======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border-radius: 8px;
    transition: all 0.3s ease;
    cursor: pointer;
    min-height: 48px;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(30, 64, 175, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 64, 175, 0.4);
}

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

.btn-large {
    padding: 18px 36px;
    font-size: 1.125rem;
    min-height: 56px;
}

.btn-cart {
    width: 100%;
    padding: 12px;
    background: transparent;
    border: none;
    transition: transform 0.2s ease;
}

.btn-cart:hover {
    transform: scale(1.05);
}

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

.btn-cart img {
    width: 100%;
    height: auto;
    margin: 0 auto;
}

.btn-final-cta {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: #ffffff;
    font-size: 1.25rem;
    padding: 20px 40px;
    box-shadow: 0 8px 25px rgba(239, 68, 68, 0.4);
    animation: pulse-glow 2s infinite;
}

.btn-final-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(239, 68, 68, 0.5);
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 8px 25px rgba(239, 68, 68, 0.4);
    }
    50% {
        box-shadow: 0 8px 35px rgba(239, 68, 68, 0.6);
    }
}

/* ========================================
   5. HEADER & NAVIGATION
======================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: #ffffff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header.scrolled {
    padding: 8px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.navbar {
    padding: 15px 0;
}

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

.logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 800;
    color: #1e40af;
    font-family: 'Poppins', sans-serif;
}

.logo i {
    font-size: 1.75rem;
    color: #3b82f6;
}

.nav-menu {
    display: none;
    gap: 30px;
    align-items: center;
}

.nav-link {
    font-size: 1rem;
    font-weight: 500;
    color: #374151;
    transition: color 0.3s ease;
    padding: 8px 0;
}

.nav-link:hover {
    color: #1e40af;
}

.nav-cta {
    display: none;
}

.nav-cta-mobile {
    display: none;
}

/* Hamburger Menu */
.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 30px;
    height: 24px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: #1e40af;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Menu */
.nav-menu.active {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: #ffffff;
    padding: 30px 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    animation: slideDown 0.3s ease;
}

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

.nav-cta-mobile.active {
    display: block;
    width: 100%;
    margin-top: 15px;
}

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

/* ========================================
   6. HERO SECTION
======================================== */

.hero-section {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-30px);
    }
}

.hero-wrapper {
    display: flex;
    flex-direction: column;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-image {
    width: 100%;
    max-width: 400px;
}

.product-showcase {
    position: relative;
    animation: fadeInUp 1s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.product-img {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(30, 64, 175, 0.3));
    animation: productFloat 3s ease-in-out infinite;
}

@keyframes productFloat {
    0%, 100% {
        transform: translateY(0) scale(1);
    }
    50% {
        transform: translateY(-15px) scale(1.02);
    }
}

.float-badge {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: #ffffff;
    border-radius: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    font-size: 0.875rem;
    font-weight: 600;
    color: #1e40af;
    animation: badgePop 0.5s ease backwards;
}

.float-badge i {
    font-size: 1rem;
    color: #3b82f6;
}

.badge-1 {
    top: 10%;
    right: -10px;
    animation-delay: 0.5s;
}

.badge-2 {
    top: 45%;
    left: -20px;
    animation-delay: 0.7s;
}

.badge-3 {
    bottom: 15%;
    right: -15px;
    animation-delay: 0.9s;
}

@keyframes badgePop {
    from {
        opacity: 0;
        transform: scale(0.5);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.hero-content {
    text-align: center;
    animation: fadeInUp 1s ease 0.3s backwards;
}

.hero-title {
    font-size: 1.875rem;
    margin-bottom: 20px;
    color: #111827;
    line-height: 1.3;
}

.hero-title .highlight {
    color: #1e40af;
    position: relative;
}

.hero-title .highlight::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #3b82f6, #60a5fa);
    border-radius: 2px;
}

.hero-description {
    font-size: 1rem;
    color: #4b5563;
    margin-bottom: 15px;
    line-height: 1.7;
}

.hero-cta {
    margin-top: 30px;
}

.trust-indicators {
    display: flex;
    justify-content: center;
    gap: 25px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: #6b7280;
}

.trust-item i {
    color: #3b82f6;
    font-size: 1.25rem;
}

/* ========================================
   7. WHY CHOOSE SECTION
======================================== */

.why-choose-section {
    background: #ffffff;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    color: #111827;
    margin-bottom: 50px;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #1e40af, #3b82f6);
    border-radius: 2px;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
}

.feature-card {
    background: #f9fafb;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(30, 64, 175, 0.15);
    border-color: #3b82f6;
}

.feature-icon {
    margin-bottom: 20px;
}

.feature-icon img {
    width: 80px;
    height: 80px;
    margin: 0 auto;
}

.feature-title {
    font-size: 1.25rem;
    color: #1e40af;
    margin-bottom: 12px;
}

.feature-description {
    font-size: 0.95rem;
    color: #6b7280;
    line-height: 1.6;
}

/* ========================================
   8. WHAT IS SECTION
======================================== */

.what-is-section {
    background: linear-gradient(135deg, #dbeafe 0%, #eff6ff 100%);
}

.content-wrapper {
    display: flex;
    flex-direction: column;
    gap: 40px;
    align-items: center;
}

.content-text {
    text-align: left;
}

.content-paragraph {
    font-size: 1rem;
    color: #4b5563;
    margin-bottom: 20px;
    line-height: 1.7;
}

.content-image {
    width: 100%;
    max-width: 500px;
}

.showcase-img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

/* ========================================
   9. HOW IT WORKS SECTION
======================================== */

.how-it-works-section {
    background: #ffffff;
}

.section-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: #6b7280;
    margin-top: -30px;
    margin-bottom: 40px;
}

.accordion-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.accordion-item {
    background: #ffffff;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.accordion-item:hover {
    border-color: #3b82f6;
}

.accordion-header {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: #f9fafb;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 60px;
}

.accordion-header:hover {
    background: #eff6ff;
}

.accordion-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #1e40af, #3b82f6);
    color: #ffffff;
    border-radius: 50%;
    font-weight: 700;
    font-size: 1.125rem;
    flex-shrink: 0;
}

.accordion-title {
    flex: 1;
    text-align: left;
    font-size: 1.125rem;
    font-weight: 600;
    color: #111827;
}

.accordion-icon {
    font-size: 1.25rem;
    color: #3b82f6;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

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

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.accordion-item.active .accordion-content {
    max-height: 500px;
}

.accordion-content p {
    padding: 20px;
    font-size: 1rem;
    color: #4b5563;
    line-height: 1.7;
    margin: 0;
}

/* ========================================
   10. REVIEWS SECTION
======================================== */

.reviews-section {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
}

.reviews-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.review-card {
    background: #ffffff;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    opacity: 0;
    animation: fadeInReview 0.6s ease forwards;
}

.review-card:nth-child(1) {
    animation-delay: 0.1s;
}

.review-card:nth-child(2) {
    animation-delay: 0.3s;
}

.review-card:nth-child(3) {
    animation-delay: 0.5s;
}

@keyframes fadeInReview {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.review-header {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
}

.reviewer-image {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid #3b82f6;
    flex-shrink: 0;
}

.reviewer-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.reviewer-info {
    flex: 1;
}

.reviewer-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: #111827;
    margin-bottom: 4px;
}

.reviewer-location {
    font-size: 0.9rem;
    color: #6b7280;
    margin-bottom: 8px;
}

.rating {
    display: flex;
    gap: 3px;
}

.rating i {
    color: #fbbf24;
    font-size: 1rem;
}

.review-content p {
    font-size: 0.95rem;
    color: #4b5563;
    line-height: 1.7;
    font-style: italic;
}

.verified-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid #e5e7eb;
    font-size: 0.875rem;
    color: #10b981;
}

.verified-badge i {
    font-size: 1rem;
}

/* ========================================
   11. PRICING SECTION
======================================== */

.pricing-section {
    background: #ffffff;
    position: relative;
}

.pricing-section-2 {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
}

.countdown-timer {
    text-align: center;
    margin-bottom: 50px;
    padding: 25px;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.timer-label {
    font-size: 1.125rem;
    font-weight: 600;
    color: #92400e;
    margin-bottom: 15px;
}

.timer-display {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.timer-unit {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.timer-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: #dc2626;
    font-family: 'Poppins', sans-serif;
    line-height: 1;
    text-shadow: 2px 2px 4px rgba(220, 38, 38, 0.2);
}

.timer-text {
    font-size: 0.875rem;
    color: #92400e;
    font-weight: 500;
    margin-top: 5px;
}

.timer-separator {
    font-size: 2rem;
    font-weight: 700;
    color: #dc2626;
    margin: 0 5px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

.pricing-card {
    background: #ffffff;
    border: 3px solid #e5e7eb;
    border-radius: 16px;
    padding: 25px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: visible;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(30, 64, 175, 0.2);
    border-color: #3b82f6;
}

.pricing-card.popular {
    border-color: #3b82f6;
    background: linear-gradient(135deg, #eff6ff 0%, #ffffff 100%);
    box-shadow: 0 10px 30px rgba(30, 64, 175, 0.25);
    transform: scale(1.02);
}

.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-8px);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: #ffffff;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.4);
    animation: badgeBounce 1s ease infinite;
}

@keyframes badgeBounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-5px);
    }
}

.pricing-label {
    display: inline-block;
    background: #dbeafe;
    color: #1e40af;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 15px;
    margin-top: 10px;
}

.package-info {
    margin-bottom: 20px;
}

.package-title {
    font-size: 1.5rem;
    color: #111827;
    margin-bottom: 5px;
}

.package-supply {
    font-size: 0.95rem;
    color: #6b7280;
}

.product-image {
    margin: 20px 0;
}

.product-image img {
    max-width: 200px;
    margin: 0 auto;
}

.pricing-details {
    margin: 20px 0;
}

.price-per-bottle {
    font-size: 2rem;
    font-weight: 800;
    color: #1e40af;
    margin-bottom: 10px;
}

.per-bottle {
    font-size: 1rem;
    color: #6b7280;
    font-weight: 500;
}

.total-price {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin: 15px 0;
}

.old-price {
    font-size: 1.5rem;
    color: #9ca3af;
    text-decoration: line-through;
}

.new-price {
    font-size: 2rem;
    font-weight: 800;
    color: #dc2626;
}

.bonus-badges {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin: 15px 0;
}

.badge-bonus,
.badge-shipping {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.badge-bonus {
    background: #dcfce7;
    color: #166534;
}

.badge-shipping {
    background: #fef3c7;
    color: #92400e;
}

.payment-logos {
    margin-top: 20px;
}

.payment-logos img {
    max-width: 250px;
    margin: 0 auto;
}

.rating-display {
    text-align: center;
    margin-top: 30px;
}

.rating-image {
    max-width: 400px;
    margin: 0 auto;
}

/* ========================================
   12. INGREDIENTS SECTION
======================================== */

.ingredients-section {
    background: linear-gradient(135deg, #dbeafe 0%, #eff6ff 100%);
}

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

.ingredient-card {
    background: #ffffff;
    border-left: 4px solid #3b82f6;
    border-radius: 8px;
    padding: 20px;
    transition: all 0.3s ease;
}

.ingredient-card:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(30, 64, 175, 0.15);
}

.ingredient-name {
    font-size: 1.25rem;
    color: #1e40af;
    margin-bottom: 10px;
}

.ingredient-description {
    font-size: 0.95rem;
    color: #4b5563;
    line-height: 1.7;
}

/* ========================================
   13. SCIENTIFIC EVIDENCE SECTION
======================================== */

.scientific-section {
    background: #ffffff;
}

.evidence-content {
    max-width: 900px;
    margin: 0 auto;
}

.evidence-item {
    background: #f9fafb;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 25px;
    transition: all 0.3s ease;
}

.evidence-item:hover {
    border-color: #3b82f6;
    box-shadow: 0 4px 15px rgba(30, 64, 175, 0.1);
}

.evidence-title {
    font-size: 1.25rem;
    color: #1e40af;
    margin-bottom: 15px;
}

.evidence-text {
    font-size: 0.95rem;
    color: #4b5563;
    line-height: 1.7;
}

/* ========================================
   14. GUARANTEE SECTION
======================================== */

.guarantee-section {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
}

.guarantee-wrapper {
    display: flex;
    flex-direction: column;
    gap: 40px;
    align-items: center;
}

.guarantee-image {
    width: 100%;
    max-width: 350px;
}

.guarantee-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.guarantee-content {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.guarantee-item {
    display: flex;
    gap: 20px;
}

.guarantee-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1e40af, #3b82f6);
    color: #ffffff;
    border-radius: 50%;
    font-size: 1.5rem;
}

.guarantee-text h3 {
    font-size: 1.25rem;
    color: #111827;
    margin-bottom: 10px;
}

.guarantee-text p {
    font-size: 0.95rem;
    color: #4b5563;
    line-height: 1.7;
}

/* ========================================
   15. BENEFITS SECTION
======================================== */

.benefits-section {
    background: #ffffff;
}

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

.benefit-item {
    display: flex;
    gap: 15px;
    padding: 20px;
    background: #f9fafb;
    border-radius: 10px;
    border-left: 4px solid #3b82f6;
    transition: all 0.3s ease;
}

.benefit-item:hover {
    background: #eff6ff;
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(30, 64, 175, 0.1);
}

.benefit-icon {
    flex-shrink: 0;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #3b82f6, #60a5fa);
    color: #ffffff;
    border-radius: 50%;
    font-size: 1.25rem;
}

.benefit-text h3 {
    font-size: 1.125rem;
    color: #111827;
    margin-bottom: 5px;
}

.benefit-text p {
    font-size: 0.9rem;
    color: #6b7280;
    line-height: 1.6;
    margin: 0;
}

/* ========================================
   16. FAQ SECTION
======================================== */

.faq-section {
    background: linear-gradient(135deg, #dbeafe 0%, #eff6ff 100%);
}

.faq-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: #ffffff;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: #3b82f6;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: #f9fafb;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: left;
    gap: 15px;
    min-height: 60px;
}

.faq-question:hover {
    background: #eff6ff;
}

.faq-question span {
    flex: 1;
    font-size: 1.125rem;
    font-weight: 600;
    color: #111827;
}

.faq-icon {
    flex-shrink: 0;
    font-size: 1.25rem;
    color: #3b82f6;
    transition: transform 0.3s ease;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 600px;
}

.faq-answer p {
    padding: 20px;
    font-size: 1rem;
    color: #4b5563;
    line-height: 1.7;
    margin: 0;
}

/* ========================================
   17. FINAL CTA SECTION
======================================== */

.final-cta-section {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    color: #ffffff;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.final-cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.final-cta-wrapper {
    display: flex;
    flex-direction: column;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.final-cta-image {
    width: 100%;
    max-width: 350px;
}

.final-product-img {
    width: 100%;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
    animation: finalProductFloat 3s ease-in-out infinite;
}

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

.final-cta-content {
    text-align: center;
}

.final-cta-title {
    font-size: 1.875rem;
    color: #ffffff;
    margin-bottom: 30px;
    line-height: 1.3;
}

.final-pricing {
    margin-bottom: 25px;
}

.regular-price,
.special-price {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.price-label {
    font-size: 1rem;
    color: #dbeafe;
}

.price-value {
    font-size: 2rem;
    font-weight: 800;
    color: #ffffff;
}

.strikethrough {
    text-decoration: line-through;
    color: #93c5fd;
}

.urgency-message {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px 25px;
    background: rgba(239, 68, 68, 0.2);
    border: 2px solid #ef4444;
    border-radius: 8px;
    margin-bottom: 30px;
}

.urgency-message i {
    color: #fbbf24;
    font-size: 1.5rem;
}

.urgency-message p {
    font-size: 1rem;
    font-weight: 600;
    color: #ffffff;
    margin: 0;
}

.final-guarantees {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 30px;
}

.guarantee-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.95rem;
    color: #dbeafe;
}

.guarantee-badge i {
    color: #60a5fa;
    font-size: 1.25rem;
}

/* ========================================
   18. FOOTER
======================================== */

.footer {
    background: #111827;
    color: #d1d5db;
    padding: 50px 0 30px;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 30px;
    align-items: center;
    text-align: center;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
    align-items: center;
}

.footer-links a {
    color: #93c5fd;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #60a5fa;
}

.separator {
    color: #4b5563;
}

.footer-disclaimer {
    max-width: 900px;
}

.footer-disclaimer p {
    font-size: 0.875rem;
    color: #9ca3af;
    line-height: 1.7;
}

.social-media {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.social-media a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #1f2937;
    color: #93c5fd;
    border-radius: 50%;
    font-size: 1.125rem;
    transition: all 0.3s ease;
}

.social-media a:hover {
    background: #3b82f6;
    color: #ffffff;
    transform: translateY(-3px);
}

.copyright {
    padding-top: 20px;
    border-top: 1px solid #374151;
}

.copyright p {
    font-size: 0.875rem;
    color: #6b7280;
    margin: 0;
}

/* ========================================
   19. SCROLL TO TOP BUTTON
======================================== */

.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #1e40af, #3b82f6);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 4px 15px rgba(30, 64, 175, 0.4);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

.scroll-top-btn.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(30, 64, 175, 0.5);
}

.scroll-top-btn:active {
    transform: scale(0.95);
}

/* ========================================
   20. PURCHASE NOTIFICATION POPUP
======================================== */

.purchase-notification {
    position: fixed;
    bottom: 30px;
    left: 20px;
    max-width: 350px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
    padding: 15px 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 998;
}

.purchase-notification.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.notification-content {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
}

.notification-icon {
    width: 35px;
    height: 35px;
    background: #dcfce7;
    color: #10b981;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.notification-text {
    flex: 1;
}

.notification-text strong {
    color: #111827;
    font-weight: 600;
}

.notification-text span {
    color: #6b7280;
}

.notification-text p {
    font-size: 0.875rem;
    color: #4b5563;
    margin: 2px 0 0 0;
}

.notification-close {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #9ca3af;
    font-size: 1rem;
    cursor: pointer;
    transition: color 0.2s ease;
    flex-shrink: 0;
}

.notification-close:hover {
    color: #4b5563;
}

/* ========================================
   21. UTILITY CLASSES
======================================== */

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

.hidden {
    display: none;
}

/* ========================================
   22. RESPONSIVE DESIGN - TABLET & UP
======================================== */

@media (min-width: 576px) {
    /* Typography */
    h1 {
        font-size: 2.25rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    /* Features Grid */
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    /* Reviews Grid */
    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Pricing Grid */
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Benefits Grid */
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Ingredients Grid */
    .ingredients-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    /* Container */
    .container {
        padding: 0 40px;
    }
    
    /* Section Padding */
    section {
        padding: 80px 0;
    }
    
    /* Navigation */
    .hamburger {
        display: none;
    }
    
    .nav-menu {
        display: flex;
        position: static;
        flex-direction: row;
        background: transparent;
        padding: 0;
        box-shadow: none;
    }
    
    .nav-cta {
        display: block;
    }
    
    /* Hero Section */
    .hero-section {
        padding: 140px 0 100px;
    }
    
    .hero-wrapper {
        flex-direction: row;
        text-align: left;
    }
    
    .hero-image {
        max-width: 450px;
    }
    
    .hero-content {
        text-align: left;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .trust-indicators {
        justify-content: flex-start;
    }
    
    /* What Is Section */
    .content-wrapper {
        flex-direction: row;
        align-items: center;
    }
    
    .content-wrapper:nth-child(even) {
        flex-direction: row-reverse;
    }
    
    /* Guarantee Section */
    .guarantee-wrapper {
        flex-direction: row;
        align-items: flex-start;
    }
    
    /* Final CTA Section */
    .final-cta-wrapper {
        flex-direction: row;
        align-items: center;
    }
    
    .final-cta-content {
        text-align: left;
    }
    
    .final-guarantees {
        align-items: flex-start;
    }
    
    .guarantee-badge {
        justify-content: flex-start;
    }
}

@media (min-width: 992px) {
    /* Typography */
    h1 {
        font-size: 2.75rem;
    }
    
    h2 {
        font-size: 2.25rem;
    }
    
    /* Features Grid */
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    /* Reviews Grid */
    .reviews-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Pricing Grid */
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Hero Title */
    .hero-title {
        font-size: 3rem;
    }
    
    /* Final CTA Title */
    .final-cta-title {
        font-size: 2.5rem;
    }
}

@media (min-width: 1200px) {
    /* Container */
    .container {
        max-width: 1200px;
    }
    
    /* Typography */
    h1 {
        font-size: 3rem;
    }
}

/* ========================================
   23. REDUCED MOTION
======================================== */

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

/* ========================================
   24. PRINT STYLES
======================================== */

@media print {
    .header,
    .nav-menu,
    .scroll-top-btn,
    .purchase-notification,
    .countdown-timer,
    .btn {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
    }
    
    section {
        page-break-inside: avoid;
    }
}