/* ===================================
   RAMBO MAX - MEDICAL PROFESSIONAL DESIGN
   Mobile-First Responsive CSS
   =================================== */

/* ===================================
   CSS VARIABLES & RESET
   =================================== */
:root {
    /* Colors - Medical Professional Theme */
    --primary-blue: #1E40AF;
    --bright-blue: #3B82F6;
    --light-blue: #93C5FD;
    --dark-blue: #1E3A8A;
    --accent-blue: #60A5FA;
    
    /* Neutrals */
    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-900: #111827;
    --black: #000000;
    
    /* Status Colors */
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    
    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Open Sans', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
}

/* CSS Reset & Base Styles */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

body {
    font-family: var(--font-secondary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

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

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

/* ===================================
   CONTAINER & LAYOUT
   =================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

@media (min-width: 768px) {
    .container {
        padding: 0 40px;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 60px;
    }
}

/* Section Spacing */
section {
    padding: 60px 0;
}

@media (min-width: 768px) {
    section {
        padding: 80px 0;
    }
}

@media (min-width: 1024px) {
    section {
        padding: 100px 0;
    }
}

/* ===================================
   TYPOGRAPHY
   =================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

h1 {
    font-size: 2rem;
}

h2 {
    font-size: 1.75rem;
}

h3 {
    font-size: 1.5rem;
}

@media (min-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    h2 {
        font-size: 2rem;
    }
    h3 {
        font-size: 1.75rem;
    }
}

@media (min-width: 1024px) {
    h1 {
        font-size: 3rem;
    }
    h2 {
        font-size: 2.5rem;
    }
    h3 {
        font-size: 2rem;
    }
}

.section-title {
    text-align: center;
    font-size: 1.875rem;
    font-weight: 800;
    color: var(--primary-blue);
    margin-bottom: 1rem;
    position: relative;
}

@media (min-width: 768px) {
    .section-title {
        font-size: 2.25rem;
    }
}

@media (min-width: 1024px) {
    .section-title {
        font-size: 2.5rem;
    }
}

.section-subtitle {
    text-align: center;
    font-size: 1rem;
    color: var(--gray-600);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

@media (min-width: 768px) {
    .section-subtitle {
        font-size: 1.125rem;
        margin-bottom: 3rem;
    }
}

/* ===================================
   BUTTONS
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    min-height: 48px;
    gap: 8px;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--bright-blue) 100%);
    color: var(--white);
    font-size: 1.125rem;
    padding: 18px 40px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    width: 100%;
}

@media (min-width: 768px) {
    .btn-hero {
        width: auto;
        font-size: 1.25rem;
    }
}

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

.btn-pricing {
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
    color: var(--white);
    width: 100%;
    padding: 16px 24px;
    font-size: 1.125rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    min-height: 50px;
}

.btn-pricing:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

.btn-final-cta {
    background: linear-gradient(135deg, var(--danger) 0%, #DC2626 100%);
    color: var(--white);
    font-size: 1.25rem;
    padding: 20px 48px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    animation: pulse 2s infinite;
    width: 100%;
}

@media (min-width: 768px) {
    .btn-final-cta {
        width: auto;
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.btn-cart-icon {
    width: 20px;
    height: 20px;
}

/* Touch Feedback */
@media (max-width: 767px) {
    .btn:active {
        transform: scale(0.98);
    }
}

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

.navbar.scrolled {
    box-shadow: var(--shadow-lg);
    padding: 8px 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
}

@media (min-width: 768px) {
    .nav-container {
        padding: 20px 40px;
    }
}

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

.brand-logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.brand-name {
    font-family: var(--font-primary);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-blue);
    display: none;
}

@media (min-width: 480px) {
    .brand-name {
        display: block;
    }
}

.nav-menu {
    display: none;
    align-items: center;
    gap: 32px;
}

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

.nav-menu.active {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 24px;
    box-shadow: var(--shadow-xl);
    animation: slideDown 0.3s ease;
}

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

.nav-link {
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 500;
    color: var(--gray-700);
    transition: var(--transition-fast);
    padding: 12px 0;
}

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

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

.nav-cta {
    padding: 10px 24px;
    font-size: 0.9375rem;
    min-height: 44px;
    width: 100%;
}

@media (min-width: 768px) {
    .nav-cta {
        width: auto;
    }
}

/* Hamburger Menu */
.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

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

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--primary-blue);
    transition: all var(--transition-base);
    border-radius: 3px;
}

.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);
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    padding-top: 100px;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--light-blue) 100%);
    overflow: hidden;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(59,130,246,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

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

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

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

.hero-image-wrapper {
    position: relative;
    animation: float 3s ease-in-out infinite;
}

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

.product-bottle {
    width: 250px;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(30, 64, 175, 0.3));
}

@media (min-width: 768px) {
    .product-bottle {
        width: 350px;
    }
}

@media (min-width: 1024px) {
    .product-bottle {
        width: 450px;
    }
}

.hero-badge {
    position: absolute;
    top: -10px;
    right: -10px;
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
    color: var(--white);
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 700;
    box-shadow: var(--shadow-lg);
    animation: badge-pulse 2s infinite;
}

@keyframes badge-pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.floating-element {
    position: absolute;
    opacity: 0.2;
    animation: float-rotate 10s linear infinite;
}

.floating-element.circle {
    width: 100px;
    height: 100px;
    background: var(--bright-blue);
    border-radius: 50%;
    top: 20%;
    left: -20px;
}

.floating-element.square {
    width: 80px;
    height: 80px;
    background: var(--light-blue);
    border-radius: var(--radius-lg);
    bottom: 20%;
    right: -15px;
}

@keyframes float-rotate {
    0% {
        transform: rotate(0deg) translateY(0);
    }
    50% {
        transform: rotate(180deg) translateY(-20px);
    }
    100% {
        transform: rotate(360deg) translateY(0);
    }
}

.hero-content {
    flex: 1;
}

.hero-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
}

.highlight {
    color: var(--primary-blue);
    position: relative;
}

.hero-description {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--gray-600);
    margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
    .hero-description {
        font-size: 1.125rem;
    }
}

.hero-trust {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 2rem;
}

@media (min-width: 576px) {
    .hero-trust {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 20px;
    }
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--gray-700);
}

.trust-icon {
    width: 24px;
    height: 24px;
    color: var(--success);
}

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

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

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

@media (min-width: 992px) {
    .feature-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 30px;
    }
}

.feature-card {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: 30px 20px;
    text-align: center;
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--light-blue);
}

.feature-icon-wrapper {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--light-blue) 0%, var(--accent-blue) 100%);
    border-radius: var(--radius-xl);
    padding: 15px;
}

.feature-icon {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 12px;
}

.feature-description {
    font-size: 0.9375rem;
    color: var(--gray-600);
    line-height: 1.6;
}

/* ===================================
   WHAT IS SECTION
   =================================== */
.what-is {
    background: var(--gray-50);
}

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

@media (min-width: 768px) {
    .what-is-container {
        flex-direction: row;
        gap: 60px;
    }
}

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

.what-is-text {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--gray-600);
    margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
    .what-is-text {
        font-size: 1.0625rem;
    }
}

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

.showcase-image {
    max-width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

/* ===================================
   HOW IT WORKS
   =================================== */
.how-it-works {
    background: var(--white);
}

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

.accordion-item {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    margin-bottom: 16px;
    overflow: hidden;
    transition: all var(--transition-base);
}

.accordion-item:hover {
    border-color: var(--light-blue);
}

.accordion-header {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--white);
    cursor: pointer;
    transition: all var(--transition-base);
    min-height: 44px;
}

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

.accordion-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--bright-blue) 100%);
    color: var(--white);
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 1.125rem;
}

.accordion-title {
    flex: 1;
    text-align: left;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
}

@media (min-width: 768px) {
    .accordion-title {
        font-size: 1.25rem;
    }
}

.accordion-arrow {
    width: 24px;
    height: 24px;
    color: var(--gray-600);
    transition: transform var(--transition-base);
}

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

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

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

.accordion-content p {
    padding: 0 20px 20px;
    font-size: 1rem;
    line-height: 1.8;
    color: var(--gray-600);
}

/* ===================================
   REVIEWS SECTION
   =================================== */
.reviews {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--light-blue) 100%);
}

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

@media (min-width: 768px) {
    .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);
    border-radius: var(--radius-xl);
    padding: 30px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}

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

.review-card:nth-child(2) {
    animation-delay: 0.2s;
}

.review-card:nth-child(3) {
    animation-delay: 0.3s;
}

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

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

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

.review-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--light-blue);
}

.review-info {
    flex: 1;
}

.review-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.review-location {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: 8px;
}

.review-stars {
    color: var(--warning);
    font-size: 1rem;
}

.review-text {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--gray-600);
}

/* ===================================
   PRICING SECTION
   =================================== */
.pricing {
    background: var(--white);
}

.countdown-timer {
    text-align: center;
    margin-bottom: 3rem;
    background: linear-gradient(135deg, var(--danger) 0%, #DC2626 100%);
    padding: 24px;
    border-radius: var(--radius-xl);
    color: var(--white);
    box-shadow: var(--shadow-xl);
}

.timer-label {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 12px;
}

@media (min-width: 768px) {
    .timer-label {
        font-size: 1.25rem;
    }
}

.timer-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

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

.timer-value {
    font-size: 2.5rem;
    font-weight: 800;
    font-family: var(--font-primary);
}

@media (min-width: 768px) {
    .timer-value {
        font-size: 3rem;
    }
}

.timer-label-small {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.timer-colon {
    font-size: 2.5rem;
    font-weight: 800;
}

@media (min-width: 768px) {
    .timer-colon {
        font-size: 3rem;
    }
}

.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-bottom: 3rem;
}

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

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

.pricing-card {
    background: var(--white);
    border: 3px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: 30px 24px;
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
}

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

.pricing-card-popular {
    border-color: var(--success);
    background: linear-gradient(135deg, var(--white) 0%, #F0FDF4 100%);
    transform: scale(1.05);
}

@media (max-width: 991px) {
    .pricing-card-popular {
        transform: scale(1);
    }
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
    color: var(--white);
    padding: 6px 20px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-md);
}

.pricing-label {
    display: inline-block;
    background: var(--gray-100);
    color: var(--gray-700);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.pricing-package {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-blue);
    margin-bottom: 8px;
}

.pricing-supply {
    font-size: 1rem;
    color: var(--gray-600);
    margin-bottom: 24px;
}

.pricing-image-wrapper {
    margin: 24px 0;
}

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

.pricing-amount {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 16px;
}

.pricing-per {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-blue);
    font-family: var(--font-primary);
}

.pricing-label-small {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.pricing-total {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 20px;
}

.pricing-old {
    font-size: 1.25rem;
    color: var(--gray-400);
    text-decoration: line-through;
}

.pricing-new {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--danger);
}

.pricing-bonuses {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.bonus-badge {
    background: linear-gradient(135deg, var(--warning) 0%, #D97706 100%);
    color: var(--white);
    padding: 6px 12px;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.bonus-shipping {
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
}

.pricing-payment {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 2px solid var(--gray-200);
}

.payment-logos {
    max-width: 200px;
    margin: 0 auto;
}

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

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

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

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

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

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

.ingredient-card {
    background: var(--white);
    border-left: 4px solid var(--primary-blue);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.ingredient-card:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-lg);
    border-left-color: var(--bright-blue);
}

.ingredient-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 12px;
}

.ingredient-description {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--gray-600);
}

/* ===================================
   SCIENTIFIC EVIDENCE
   =================================== */
.scientific-evidence {
    background: var(--white);
}

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

.evidence-section {
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    padding: 30px;
    margin-bottom: 24px;
    border-left: 4px solid var(--bright-blue);
}

.evidence-title {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 16px;
}

.evidence-text {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--gray-600);
}

/* ===================================
   GUARANTEE SECTION
   =================================== */
.guarantee {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--light-blue) 100%);
}

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

@media (min-width: 768px) {
    .guarantee-container {
        flex-direction: row;
        gap: 60px;
    }
}

.guarantee-image {
    flex: 0 0 300px;
}

.guarantee-seal {
    max-width: 100%;
    animation: rotate-slow 20s linear infinite;
}

@keyframes rotate-slow {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.guarantee-content {
    flex: 1;
}

.guarantee-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.guarantee-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--success);
    color: var(--white);
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: 700;
}

.guarantee-text {
    flex: 1;
}

.guarantee-subtitle {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 12px;
}

.guarantee-text p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--gray-600);
}

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

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

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

@media (min-width: 992px) {
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

.benefit-item {
    display: flex;
    gap: 20px;
    background: var(--gray-50);
    padding: 24px;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.benefit-item:hover {
    background: var(--white);
    box-shadow: var(--shadow-lg);
    transform: translateX(10px);
}

.benefit-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    color: var(--success);
}

.benefit-icon svg {
    width: 100%;
    height: 100%;
}

.benefit-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 8px;
}

.benefit-description {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--gray-600);
}

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

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

.faq-item {
    background: var(--white);
    border-radius: var(--radius-lg);
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    background: var(--white);
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: left;
    gap: 16px;
    min-height: 44px;
}

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

.faq-question span {
    flex: 1;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
}

.faq-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    color: var(--primary-blue);
    transition: transform var(--transition-base);
}

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

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

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

.faq-answer p {
    padding: 0 20px 20px;
    font-size: 1rem;
    line-height: 1.8;
    color: var(--gray-600);
}

/* ===================================
   FINAL CTA SECTION
   =================================== */
.final-cta {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--bright-blue) 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.final-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: rotate-slow 30s linear infinite;
}

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

@media (min-width: 768px) {
    .final-cta-content {
        flex-direction: row;
        gap: 60px;
    }
}

.final-cta-image {
    flex: 0 0 300px;
}

.final-product-image {
    max-width: 100%;
    animation: bounce-slow 3s ease-in-out infinite;
}

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

.final-cta-text {
    flex: 1;
    text-align: center;
}

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

.final-cta-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 2rem;
    line-height: 1.2;
}

@media (min-width: 768px) {
    .final-cta-title {
        font-size: 2.25rem;
    }
}

.final-cta-pricing {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 2rem;
}

.final-cta-regular {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
}

.strikethrough {
    text-decoration: line-through;
    margin-left: 8px;
}

.final-cta-special {
    font-size: 1.5rem;
    font-weight: 700;
}

@media (min-width: 768px) {
    .final-cta-special {
        font-size: 1.875rem;
    }
}

.price-highlight {
    color: var(--warning);
    font-size: 2rem;
    font-weight: 800;
}

@media (min-width: 768px) {
    .price-highlight {
        font-size: 2.5rem;
    }
}

.final-cta-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 2rem;
}

.final-feature {
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
    margin-bottom: 40px;
}

@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
        justify-content: space-around;
    }
}

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

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

.footer-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--gray-300);
    font-size: 0.9375rem;
    transition: var(--transition-fast);
}

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

.social-icons {
    display: flex;
    gap: 16px;
    justify-content: center;
}

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

.social-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-700);
    border-radius: 50%;
    transition: all var(--transition-base);
}

.social-icon:hover {
    background: var(--primary-blue);
    transform: translateY(-3px);
}

.social-icon svg {
    width: 20px;
    height: 20px;
}

.footer-disclaimer {
    background: var(--gray-800);
    padding: 24px;
    border-radius: var(--radius-lg);
    margin-bottom: 30px;
}

.footer-disclaimer p {
    font-size: 0.875rem;
    line-height: 1.7;
    color: var(--gray-300);
    text-align: center;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--gray-700);
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--gray-400);
}

/* ===================================
   SCROLL TO TOP BUTTON
   =================================== */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--bright-blue) 100%);
    color: var(--white);
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    cursor: pointer;
    transition: all var(--transition-base);
    z-index: 999;
}

.scroll-to-top.visible {
    display: flex;
}

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.scroll-to-top svg {
    width: 24px;
    height: 24px;
}

/* ===================================
   PURCHASE NOTIFICATION POPUP
   =================================== */
.purchase-notification {
    position: fixed;
    bottom: 30px;
    left: 30px;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 16px 20px;
    box-shadow: var(--shadow-xl);
    display: none;
    z-index: 998;
    animation: slideInLeft 0.5s ease;
    max-width: 300px;
}

@media (max-width: 767px) {
    .purchase-notification {
        left: 50%;
        transform: translateX(-50%);
        bottom: 80px;
        max-width: calc(100% - 40px);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.purchase-notification.show {
    display: block;
}

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

.notification-icon {
    font-size: 1.5rem;
}

.notification-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.notification-name {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--gray-900);
}

.notification-message {
    font-size: 0.875rem;
    color: var(--gray-600);
}

/* ===================================
   UTILITY CLASSES
   =================================== */
.text-center {
    text-align: center;
}

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

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

.mb-0 {
    margin-bottom: 0 !important;
}

.mt-2 {
    margin-top: 2rem;
}

.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}

/* ===================================
   ANIMATIONS
   =================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.fade-in {
    animation: fadeIn 1s ease;
}

.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.scroll-reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ===================================
   PRINT STYLES
   =================================== */
@media print {
    .navbar,
    .scroll-to-top,
    .purchase-notification,
    .btn {
        display: none !important;
    }
}