/* ==========================================
   PRESGERA LANDING PAGE STYLES
   Design: Medical Professional + Premium Luxury
   Mobile-First Responsive Design
   ========================================== */

/* ==========================================
   CSS VARIABLES & ROOT STYLES
   ========================================== */
:root {
    /* Color Palette - Medical Professional + Luxury */
    --primary-blue: #1E40AF;
    --secondary-blue: #3B82F6;
    --accent-blue: #93C5FD;
    --luxury-gold: #D4AF37;
    --dark-navy: #0F172A;
    --slate-gray: #475569;
    --light-gray: #F1F5F9;
    --white: #FFFFFF;
    --success-green: #10B981;
    --error-red: #EF4444;
    
    /* Typography */
    --font-display: 'Playfair Display', serif;
    --font-body: 'Archivo', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* 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);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Z-index */
    --z-header: 1000;
    --z-mobile-menu: 999;
    --z-notification: 1001;
    --z-scroll-top: 998;
}

/* ==========================================
   RESET & BASE STYLES
   ========================================== */
*, *::before, *::after {
    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: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--dark-navy);
    background-color: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    transition: all var(--transition-base);
}

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

/* ==========================================
   UTILITY CLASSES
   ========================================== */
.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-title {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    color: var(--dark-navy);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
}

@media (min-width: 768px) {
    .section-title {
        font-size: 36px;
        margin-bottom: var(--spacing-xl);
    }
}

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

.section-subtitle {
    font-size: 16px;
    color: var(--slate-gray);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

@media (min-width: 768px) {
    .section-subtitle {
        font-size: 18px;
        margin-bottom: var(--spacing-xl);
    }
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--luxury-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==========================================
   HEADER & NAVIGATION
   ========================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    z-index: var(--z-header);
    transition: all var(--transition-base);
}

.header.scrolled {
    padding: 8px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.12);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 20px;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-blue);
}

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

.logo-text {
    letter-spacing: 1px;
}

.nav-menu {
    display: none;
    align-items: center;
    gap: var(--spacing-lg);
}

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

.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--slate-gray);
    position: relative;
    padding: 8px 0;
}

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

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

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

.nav-cta {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
    padding: 12px 28px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 15px;
    box-shadow: 0 4px 15px rgba(30, 64, 175, 0.3);
    transition: all var(--transition-base);
}

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

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

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

.hamburger span {
    width: 100%;
    height: 3px;
    background: var(--primary-blue);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.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 */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--white);
    box-shadow: -4px 0 30px rgba(0, 0, 0, 0.15);
    padding: 80px 30px 30px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    z-index: var(--z-mobile-menu);
    transition: right var(--transition-slow);
}

.mobile-menu.active {
    right: 0;
}

.mobile-nav-link {
    font-size: 18px;
    font-weight: 500;
    color: var(--slate-gray);
    padding: 16px 0;
    border-bottom: 1px solid var(--light-gray);
    transition: all var(--transition-base);
}

.mobile-nav-link:hover {
    color: var(--primary-blue);
    padding-left: 10px;
}

.mobile-nav-cta {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
    padding: 16px 24px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 16px;
    text-align: center;
    margin-top: var(--spacing-md);
    box-shadow: 0 4px 15px rgba(30, 64, 175, 0.3);
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero-section {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, #F0F9FF 0%, #FFFFFF 100%);
    overflow: hidden;
}

@media (min-width: 768px) {
    .hero-section {
        padding: 140px 0 80px;
    }
}

@media (min-width: 1024px) {
    .hero-section {
        padding: 160px 0 100px;
    }
}

.hero-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    align-items: center;
}

@media (min-width: 768px) {
    .hero-container {
        flex-direction: row;
        align-items: center;
        gap: var(--spacing-2xl);
    }
}

.hero-image {
    flex: 1;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-product-wrapper {
    position: relative;
    width: 100%;
    max-width: 400px;
    animation: heroFloat 6s ease-in-out infinite;
}

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

.product-image {
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 20px 40px rgba(30, 64, 175, 0.3));
    animation: productPulse 3s ease-in-out infinite;
}

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

.floating-circle {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.2) 0%, transparent 70%);
    animation: floatingCircle 8s ease-in-out infinite;
}

.circle-1 {
    width: 200px;
    height: 200px;
    top: -50px;
    left: -50px;
    animation-delay: 0s;
}

.circle-2 {
    width: 150px;
    height: 150px;
    bottom: -40px;
    right: -40px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.2) 0%, transparent 70%);
    animation-delay: 2s;
}

.circle-3 {
    width: 100px;
    height: 100px;
    top: 50%;
    right: -30px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.2) 0%, transparent 70%);
    animation-delay: 4s;
}

@keyframes floatingCircle {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(20px, -20px) scale(1.1);
    }
}

.hero-content {
    flex: 1;
    animation: fadeInUp 1s ease-out;
}

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

.hero-title {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 800;
    line-height: 1.2;
    color: var(--dark-navy);
    margin-bottom: var(--spacing-md);
}

@media (min-width: 576px) {
    .hero-title {
        font-size: 38px;
    }
}

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

@media (min-width: 1024px) {
    .hero-title {
        font-size: 48px;
    }
}

.hero-description {
    font-size: 16px;
    line-height: 1.8;
    color: var(--slate-gray);
    margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
    .hero-description {
        font-size: 17px;
    }
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
    padding: 18px 36px;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 16px;
    box-shadow: 0 10px 30px rgba(30, 64, 175, 0.4);
    margin-bottom: var(--spacing-lg);
    transition: all var(--transition-base);
    width: 100%;
    justify-content: center;
    min-height: 56px;
}

@media (min-width: 576px) {
    .hero-cta {
        width: auto;
        justify-content: flex-start;
    }
}

.hero-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(30, 64, 175, 0.5);
}

.hero-cta:active {
    transform: scale(0.98);
}

.cta-arrow {
    transition: transform var(--transition-base);
}

.hero-cta:hover .cta-arrow {
    transform: translateX(5px);
}

.hero-trust-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--slate-gray);
}

/* ==========================================
   WHY CHOOSE US SECTION
   ========================================== */
.why-choose-section {
    padding: 60px 0;
    background: var(--white);
}

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

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

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

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

@media (min-width: 992px) {
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-xl);
    }
}

.feature-card {
    background: var(--white);
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
    animation: fadeIn 0.8s ease-out;
}

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

.feature-card:hover {
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-xl);
    transform: translateY(-5px);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
}

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

.feature-title {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    color: var(--dark-navy);
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    font-size: 15px;
    line-height: 1.6;
    color: var(--slate-gray);
}

/* ==========================================
   WHAT IS PRESGERA SECTION
   ========================================== */
.what-is-section {
    padding: 60px 0;
    background: var(--light-gray);
}

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

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

.what-is-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    align-items: center;
}

@media (min-width: 768px) {
    .what-is-content {
        flex-direction: row;
        gap: var(--spacing-2xl);
    }
}

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

.what-is-description {
    font-size: 16px;
    line-height: 1.8;
    color: var(--slate-gray);
    margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
    .what-is-description {
        font-size: 17px;
    }
}

.what-is-image {
    flex: 1;
    width: 100%;
    max-width: 500px;
}

.what-is-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-2xl);
}

/* ==========================================
   HOW IT WORKS SECTION
   ========================================== */
.how-works-section {
    padding: 60px 0;
    background: var(--white);
}

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

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

.accordion {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.accordion-item {
    background: var(--white);
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-base);
}

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

.accordion-header {
    width: 100%;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: 20px;
    background: var(--white);
    cursor: pointer;
    transition: all var(--transition-base);
    min-height: 70px;
}

@media (min-width: 768px) {
    .accordion-header {
        padding: 24px 28px;
    }
}

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

.accordion-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
    border-radius: 50%;
    font-weight: 700;
    font-size: 16px;
    flex-shrink: 0;
}

.accordion-title {
    flex: 1;
    font-size: 16px;
    font-weight: 600;
    color: var(--dark-navy);
    text-align: left;
}

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

.accordion-arrow {
    flex-shrink: 0;
    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 24px;
    font-size: 15px;
    line-height: 1.8;
    color: var(--slate-gray);
}

@media (min-width: 768px) {
    .accordion-content p {
        padding: 0 28px 28px;
        font-size: 16px;
    }
}

/* ==========================================
   REVIEWS SECTION
   ========================================== */
.reviews-section {
    padding: 60px 0;
    background: var(--light-gray);
}

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

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

.reviews-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

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

@media (min-width: 1024px) {
    .reviews-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-xl);
    }
}

.review-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    animation: slideInUp 0.8s ease-out;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.review-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
}

.review-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

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

.review-info {
    flex: 1;
}

.review-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark-navy);
    margin-bottom: 4px;
}

.review-location {
    font-size: 14px;
    color: var(--slate-gray);
}

.review-stars {
    margin-bottom: var(--spacing-md);
    color: #FFA500;
    font-size: 20px;
    letter-spacing: 2px;
}

.review-text {
    font-size: 15px;
    line-height: 1.7;
    color: var(--slate-gray);
    font-style: italic;
}

/* ==========================================
   PRICING SECTION
   ========================================== */
.pricing-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #F0F9FF 0%, #FFFFFF 100%);
}

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

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

.countdown-timer {
    max-width: 500px;
    margin: 0 auto var(--spacing-xl);
    text-align: center;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--error-red) 0%, #DC2626 100%);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.timer-label {
    color: var(--white);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

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

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

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

.timer-value {
    font-family: var(--font-display);
    font-size: 40px;
    font-weight: 700;
    color: var(--white);
    line-height: 1;
}

@media (min-width: 768px) {
    .timer-value {
        font-size: 56px;
    }
}

.timer-label-small {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.9);
    margin-top: 4px;
}

@media (min-width: 768px) {
    .timer-label-small {
        font-size: 14px;
    }
}

.timer-separator {
    font-size: 36px;
    font-weight: 700;
    color: var(--white);
}

@media (min-width: 768px) {
    .timer-separator {
        font-size: 48px;
    }
}

.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

@media (min-width: 768px) {
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-xl);
    }
}

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

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-blue);
}

.pricing-card.featured {
    border-color: var(--luxury-gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
    transform: scale(1.05);
}

@media (max-width: 767px) {
    .pricing-card.featured {
        transform: scale(1);
        border-width: 4px;
    }
}

.pricing-card.featured:hover {
    transform: scale(1.08);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--luxury-gold) 0%, #B8860B 100%);
    color: var(--white);
    padding: 8px 24px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1px;
    box-shadow: var(--shadow-lg);
}

.pricing-label {
    display: inline-block;
    background: var(--light-gray);
    color: var(--primary-blue);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.pricing-card.featured .pricing-label {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
}

.pricing-title {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    color: var(--dark-navy);
    margin-bottom: var(--spacing-xs);
}

@media (min-width: 768px) {
    .pricing-title {
        font-size: 24px;
    }
}

.pricing-supply {
    font-size: 14px;
    color: var(--slate-gray);
    margin-bottom: var(--spacing-lg);
}

.pricing-image {
    margin: var(--spacing-lg) 0;
}

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

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
    margin-bottom: var(--spacing-sm);
}

.price-amount {
    font-family: var(--font-display);
    font-size: 42px;
    font-weight: 700;
    color: var(--primary-blue);
}

.price-per {
    font-size: 16px;
    color: var(--slate-gray);
}

.pricing-total {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.price-old {
    font-size: 20px;
    color: var(--slate-gray);
    text-decoration: line-through;
}

.price-new {
    font-size: 28px;
    font-weight: 700;
    color: var(--success-green);
}

.pricing-badges {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
}

.badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--success-green) 0%, #059669 100%);
    color: var(--white);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
}

.pricing-button {
    display: block;
    width: 100%;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
    padding: 18px 24px;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 16px;
    box-shadow: 0 8px 20px rgba(30, 64, 175, 0.3);
    transition: all var(--transition-base);
    margin-bottom: var(--spacing-md);
    min-height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pricing-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(30, 64, 175, 0.4);
}

.pricing-button:active {
    transform: scale(0.98);
}

.payment-logos {
    margin-top: var(--spacing-md);
}

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

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

.rating-display img {
    max-width: 300px;
    margin: 0 auto;
}

/* ==========================================
   BONUS SECTION
   ========================================== */
.bonus-section {
    padding: 60px 0;
    background: var(--white);
}

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

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

.bonus-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

@media (min-width: 768px) {
    .bonus-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-2xl);
    }
}

.bonus-card {
    background: linear-gradient(135deg, #F0F9FF 0%, #FFFFFF 100%);
    border: 2px solid var(--accent-blue);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.bonus-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-blue);
}

.bonus-image {
    margin-bottom: var(--spacing-lg);
}

.bonus-image img {
    max-width: 250px;
    margin: 0 auto;
    border-radius: var(--radius-md);
}

.bonus-title {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-md);
}

.bonus-description {
    font-size: 15px;
    line-height: 1.7;
    color: var(--slate-gray);
}

/* ==========================================
   INGREDIENTS SECTION
   ========================================== */
.ingredients-section {
    padding: 60px 0;
    background: var(--light-gray);
}

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

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

.ingredients-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

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

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

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

.ingredient-card:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
    border-left-width: 6px;
}

.ingredient-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

.ingredient-description {
    font-size: 15px;
    line-height: 1.7;
    color: var(--slate-gray);
    margin-bottom: var(--spacing-sm);
}

.ingredient-benefits {
    font-size: 14px;
    line-height: 1.6;
    color: var(--dark-navy);
}

/* ==========================================
   SCIENTIFIC EVIDENCE SECTION
   ========================================== */
.evidence-section {
    padding: 60px 0;
    background: var(--white);
}

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

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

.evidence-intro {
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
    text-align: center;
}

.evidence-intro p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--slate-gray);
}

@media (min-width: 768px) {
    .evidence-intro p {
        font-size: 17px;
    }
}

.evidence-accordion {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.evidence-item {
    background: var(--light-gray);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.evidence-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    background: var(--light-gray);
    cursor: pointer;
    transition: all var(--transition-base);
    font-size: 16px;
    font-weight: 600;
    color: var(--dark-navy);
    text-align: left;
    min-height: 60px;
}

@media (min-width: 768px) {
    .evidence-header {
        padding: 24px 28px;
        font-size: 18px;
    }
}

.evidence-header:hover {
    background: var(--accent-blue);
}

.evidence-arrow {
    flex-shrink: 0;
    transition: transform var(--transition-base);
}

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

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

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

.evidence-content-text p {
    padding: 0 20px 24px;
    font-size: 15px;
    line-height: 1.8;
    color: var(--slate-gray);
}

@media (min-width: 768px) {
    .evidence-content-text p {
        padding: 0 28px 28px;
        font-size: 16px;
    }
}

/* ==========================================
   SCIENTIFICALLY FORMULATED SECTION
   ========================================== */
.formulated-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #F0F9FF 0%, #FFFFFF 100%);
}

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

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

.formulated-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

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

@media (min-width: 1024px) {
    .formulated-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-2xl);
    }
}

.formulated-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    position: relative;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.formulated-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
}

.formulated-number {
    position: absolute;
    top: -20px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--luxury-gold) 0%, #B8860B 100%);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 20px;
    box-shadow: var(--shadow-lg);
}

.formulated-icon {
    margin-bottom: var(--spacing-md);
}

.formulated-title {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    color: var(--dark-navy);
    margin-bottom: var(--spacing-md);
}

.formulated-description {
    font-size: 15px;
    line-height: 1.7;
    color: var(--slate-gray);
}

/* ==========================================
   GUARANTEE SECTION
   ========================================== */
.guarantee-section {
    padding: 60px 0;
    background: var(--white);
}

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

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

.guarantee-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    align-items: center;
}

@media (min-width: 768px) {
    .guarantee-content {
        flex-direction: row;
        gap: var(--spacing-2xl);
    }
}

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

.guarantee-image img {
    width: 100%;
    border-radius: var(--radius-lg);
}

.guarantee-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.guarantee-point {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.guarantee-icon {
    flex-shrink: 0;
}

.guarantee-point-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark-navy);
    margin-bottom: var(--spacing-xs);
}

.guarantee-point-text {
    font-size: 15px;
    line-height: 1.7;
    color: var(--slate-gray);
}

/* ==========================================
   BENEFITS SECTION
   ========================================== */
.benefits-section {
    padding: 60px 0;
    background: var(--light-gray);
}

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

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

.benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
}

.benefit-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--success-green);
    transition: all var(--transition-base);
}

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

.benefit-icon {
    flex-shrink: 0;
}

.benefit-text {
    flex: 1;
}

.benefit-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark-navy);
    margin-bottom: var(--spacing-xs);
}

.benefit-description {
    font-size: 15px;
    line-height: 1.6;
    color: var(--slate-gray);
}

/* ==========================================
   FAQ SECTION
   ========================================== */
.faq-section {
    padding: 60px 0;
    background: var(--white);
}

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

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

.faq-accordion {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.faq-item {
    background: var(--light-gray);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.faq-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: 20px;
    background: var(--light-gray);
    cursor: pointer;
    transition: all var(--transition-base);
    min-height: 70px;
}

@media (min-width: 768px) {
    .faq-header {
        padding: 24px 28px;
    }
}

.faq-header:hover {
    background: var(--accent-blue);
}

.faq-question {
    flex: 1;
    font-size: 16px;
    font-weight: 600;
    color: var(--dark-navy);
    text-align: left;
}

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

.faq-arrow {
    flex-shrink: 0;
    transition: transform var(--transition-base);
}

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

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

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 20px 24px;
    font-size: 15px;
    line-height: 1.8;
    color: var(--slate-gray);
}

@media (min-width: 768px) {
    .faq-answer p {
        padding: 0 28px 28px;
        font-size: 16px;
    }
}

/* ==========================================
   FINAL CTA SECTION
   ========================================== */
.final-cta-section {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--dark-navy) 0%, var(--primary-blue) 100%);
    position: relative;
    overflow: hidden;
}

@media (min-width: 768px) {
    .final-cta-section {
        padding: 100px 0;
    }
}

.final-cta-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    align-items: center;
}

@media (min-width: 768px) {
    .final-cta-content {
        flex-direction: row;
        gap: var(--spacing-2xl);
    }
}

.final-cta-image {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.cta-glow {
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: ctaGlow 3s ease-in-out infinite;
}

@keyframes ctaGlow {
    0%, 100% {
        transform: scale(1);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.8;
    }
}

.cta-product-image {
    position: relative;
    z-index: 2;
    max-width: 350px;
    filter: drop-shadow(0 20px 40px rgba(212, 175, 55, 0.4));
    animation: finalProductFloat 4s ease-in-out infinite;
}

@keyframes finalProductFloat {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

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

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

.final-cta-title {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: var(--spacing-lg);
    line-height: 1.3;
}

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

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

.final-cta-pricing {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.final-cta-regular {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
}

.final-cta-regular del {
    color: rgba(255, 255, 255, 0.6);
}

.final-cta-special {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 700;
    color: var(--luxury-gold);
}

@media (min-width: 768px) {
    .final-cta-special {
        font-size: 40px;
    }
}

.final-cta-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, var(--luxury-gold) 0%, #B8860B 100%);
    color: var(--dark-navy);
    padding: 20px 40px;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 18px;
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.5);
    margin-bottom: var(--spacing-xl);
    transition: all var(--transition-base);
    width: 100%;
    justify-content: center;
    min-height: 64px;
}

@media (min-width: 576px) {
    .final-cta-button {
        width: auto;
    }
}

.final-cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(212, 175, 55, 0.6);
}

.final-cta-button:active {
    transform: scale(0.98);
}

.final-cta-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--white);
    font-size: 15px;
}

@media (min-width: 768px) {
    .cta-feature {
        font-size: 16px;
    }
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    background: var(--dark-navy);
    color: rgba(255, 255, 255, 0.8);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

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

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

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

.footer-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 15px;
    transition: all var(--transition-base);
}

.footer-links a:hover {
    color: var(--luxury-gold);
    padding-left: 5px;
}

.social-icons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

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

.social-icon {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: all var(--transition-base);
}

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

.footer-disclaimer {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.footer-disclaimer p {
    font-size: 13px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: var(--spacing-sm);
}

.footer-disclaimer p:last-child {
    margin-bottom: 0;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

/* ==========================================
   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(--secondary-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: var(--z-scroll-top);
}

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

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2xl);
}

/* ==========================================
   PURCHASE NOTIFICATION
   ========================================== */
.purchase-notification {
    position: fixed;
    bottom: 30px;
    left: 30px;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-2xl);
    padding: var(--spacing-md);
    max-width: 300px;
    transform: translateX(-400px);
    opacity: 0;
    transition: all var(--transition-slow);
    z-index: var(--z-notification);
}

.purchase-notification.show {
    transform: translateX(0);
    opacity: 1;
}

@media (max-width: 576px) {
    .purchase-notification {
        left: 20px;
        right: 20px;
        max-width: none;
    }
}

.notification-content {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.notification-icon {
    font-size: 32px;
}

.notification-text {
    flex: 1;
}

.notification-text strong {
    display: block;
    font-size: 15px;
    color: var(--dark-navy);
    margin-bottom: 4px;
}

.notification-text p {
    font-size: 13px;
    color: var(--slate-gray);
    margin: 0;
}

/* ==========================================
   LOADING & ANIMATIONS
   ========================================== */
@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.fade-in-scale {
    animation: fadeInScale 0.6s ease-out;
}

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

/* Focus visible for keyboard navigation */
:focus-visible {
    outline: 3px solid var(--luxury-gold);
    outline-offset: 2px;
}

/* ==========================================
   PRINT STYLES
   ========================================== */
@media print {
    .header,
    .scroll-to-top,
    .purchase-notification,
    .hamburger,
    .mobile-menu {
        display: none !important;
    }
    
    body {
        color: #000;
        background: #fff;
    }
}