/* ===================================
   TITANFLOW - MEDICAL PROFESSIONAL DESIGN
   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', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.7;
    color: #1a202c;
    background: #ffffff;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

ul {
    list-style: none;
}

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

/* ===================================
   UTILITY CLASSES
   =================================== */

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

.text-primary {
    color: #1E40AF;
    font-weight: 700;
}

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

.section-title {
    font-size: clamp(28px, 5vw, 42px);
    font-weight: 800;
    text-align: center;
    margin-bottom: 16px;
    color: #1a202c;
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: clamp(16px, 3vw, 18px);
    text-align: center;
    color: #4a5568;
    margin-bottom: 50px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 500;
}

/* ===================================
   MEDICAL PROFESSIONAL ANIMATIONS
   =================================== */

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

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

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(60px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes floatSlow {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

@keyframes pulseRing {
    0% {
        transform: scale(0.95);
        opacity: 0.7;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.4;
    }
    100% {
        transform: scale(0.95);
        opacity: 0.7;
    }
}

@keyframes rotateCircle {
    from {
        transform: rotate(0deg) translateX(100px) rotate(0deg);
    }
    to {
        transform: rotate(360deg) translateX(100px) rotate(-360deg);
    }
}

@keyframes shine {
    0% {
        left: -100%;
    }
    50%, 100% {
        left: 150%;
    }
}

.animate-fade-in {
    animation: fadeIn 0.8s ease-out forwards;
    opacity: 0;
}

.animate-fade-up {
    animation: fadeUp 0.6s ease-out forwards;
    opacity: 0;
}

.animate-slide-up {
    animation: slideUp 1s ease-out forwards;
    opacity: 0;
}

.animate-scale-in {
    animation: scaleIn 0.6s ease-out forwards;
    opacity: 0;
}

.animate-float-slow {
    animation: floatSlow 4s ease-in-out infinite;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }
.delay-4 { animation-delay: 0.8s; }
.delay-5 { animation-delay: 1s; }

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

/* ===================================
   SECTION 1: 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: 1000;
    transition: all 0.3s ease;
}

.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;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 800;
    color: #1E40AF;
    letter-spacing: -0.5px;
}

.logo-icon {
    filter: drop-shadow(0 2px 8px rgba(30, 64, 175, 0.3));
}

.nav-links {
    display: flex;
    gap: 36px;
    align-items: center;
}

.nav-links a {
    font-size: 16px;
    font-weight: 600;
    color: #4a5568;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #1E40AF;
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: #1E40AF;
}

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

.btn-nav-cta {
    background: linear-gradient(135deg, #1E40AF 0%, #3B82F6 100%);
    color: white;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 16px;
    transition: all 0.3s ease;
    min-height: 48px;
    display: flex;
    align-items: center;
    box-shadow: 0 4px 15px rgba(30, 64, 175, 0.3);
}

.btn-nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 64, 175, 0.4);
    background: linear-gradient(135deg, #1E40AF 0%, #2563EB 100%);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    min-width: 44px;
    min-height: 44px;
    justify-content: center;
    align-items: center;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #1E40AF;
    border-radius: 3px;
    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 {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: white;
    transform: translateY(-100%);
    opacity: 0;
    transition: all 0.3s ease;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    max-height: 0;
    overflow: hidden;
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
    max-height: 500px;
}

.mobile-menu ul {
    padding: 20px;
}

.mobile-menu li {
    padding: 16px 0;
    border-bottom: 1px solid #e2e8f0;
}

.mobile-menu a {
    font-size: 18px;
    font-weight: 600;
    color: #4a5568;
    display: block;
}

.mobile-menu a:hover {
    color: #1E40AF;
}

.mobile-cta {
    background: linear-gradient(135deg, #1E40AF 0%, #3B82F6 100%);
    color: white !important;
    padding: 14px 24px;
    border-radius: 50px;
    text-align: center;
    margin-top: 12px;
    box-shadow: 0 4px 15px rgba(30, 64, 175, 0.3);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav-links,
    .btn-nav-cta {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
}

/* ===================================
   SECTION 2: HERO SECTION
   =================================== */

.hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #f0f9ff 0%, #ffffff 100%);
    margin-top: 70px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.product-showcase {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 500px;
}

.floating-circles {
    position: absolute;
    width: 100%;
    height: 100%;
}

.circle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.6;
}

.circle-1 {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #3B82F6, #93C5FD);
    top: 10%;
    left: 10%;
    animation: rotateCircle 20s linear infinite;
}

.circle-2 {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #1E40AF, #3B82F6);
    top: 60%;
    right: 10%;
    animation: rotateCircle 15s linear infinite reverse;
}

.circle-3 {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #93C5FD, #DBEAFE);
    bottom: 10%;
    left: 20%;
    animation: rotateCircle 25s linear infinite;
}

.product-bottle {
    position: relative;
    z-index: 3;
    max-width: 400px;
    filter: drop-shadow(0 20px 40px rgba(30, 64, 175, 0.2));
}

.pulse-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    border: 2px solid #3B82F6;
    border-radius: 50%;
    opacity: 0.4;
    animation: pulseRing 3s ease-in-out infinite;
    z-index: 1;
}

.hero-content {
    z-index: 2;
}

.hero-title {
    font-size: clamp(32px, 6vw, 52px);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 24px;
    color: #1a202c;
    letter-spacing: -1px;
}

.hero-description {
    font-size: clamp(16px, 2.5vw, 18px);
    line-height: 1.8;
    color: #4a5568;
    margin-bottom: 20px;
    font-weight: 500;
}

.btn-hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, #1E40AF 0%, #3B82F6 100%);
    color: white;
    padding: 18px 36px;
    border-radius: 50px;
    font-size: 20px;
    font-weight: 700;
    margin-top: 24px;
    min-height: 56px;
    box-shadow: 0 10px 30px rgba(30, 64, 175, 0.3);
    transition: all 0.3s ease;
}

.btn-hero-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(30, 64, 175, 0.4);
}

.arrow-icon {
    transition: transform 0.3s ease;
}

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

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 32px;
}

.badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: white;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    color: #1E40AF;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

.badge svg {
    color: #3B82F6;
}

/* Mobile Hero */
@media (max-width: 768px) {
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-image {
        order: -1;
    }
    
    .product-showcase {
        min-height: 350px;
    }
    
    .product-bottle {
        max-width: 280px;
        margin: 0 auto;
    }
    
    .hero-title {
        font-size: 28px;
        text-align: center;
    }
    
    .hero-description {
        text-align: center;
    }
    
    .btn-hero-cta {
        width: 100%;
        justify-content: center;
        font-size: 18px;
        padding: 16px 28px;
    }
    
    .hero-badges {
        justify-content: center;
    }
}

/* ===================================
   SECTION 3: WHY CHOOSE US
   =================================== */

.why-choose {
    padding: 80px 0;
    background: white;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.why-card {
    background: linear-gradient(135deg, #f0f9ff 0%, #ffffff 100%);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.why-card:hover {
    transform: translateY(-10px);
    border-color: #3B82F6;
    box-shadow: 0 15px 40px rgba(59, 130, 246, 0.15);
}

.why-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: 50%;
    box-shadow: 0 4px 15px rgba(30, 64, 175, 0.15);
}

.why-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 10px;
}

.why-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #1E40AF;
}

.why-card p {
    font-size: 15px;
    line-height: 1.7;
    color: #4a5568;
    font-weight: 500;
}

/* Mobile Why Choose */
@media (max-width: 768px) {
    .why-choose {
        padding: 60px 0;
    }
    
    .why-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

@media (min-width: 576px) and (max-width: 991px) {
    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===================================
   SECTION 4: WHAT IS TITANFLOW
   =================================== */

.what-is {
    padding: 80px 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #ffffff 100%);
}

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

.what-is-content h2 {
    text-align: left;
    margin-bottom: 24px;
}

.what-is-content p {
    font-size: 17px;
    line-height: 1.8;
    color: #4a5568;
    margin-bottom: 20px;
    font-weight: 500;
}

.what-is-image img {
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
    transition: transform 0.3s ease;
}

.what-is-image img:hover {
    transform: scale(1.02);
}

/* Mobile What Is */
@media (max-width: 768px) {
    .what-is {
        padding: 60px 0;
    }
    
    .what-is-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .what-is-image {
        order: -1;
    }
    
    .what-is-content h2 {
        text-align: center;
    }
    
    .what-is-content p {
        text-align: center;
    }
}

/* ===================================
   SECTION 5: HOW IT WORKS
   =================================== */

.how-it-works {
    padding: 80px 0;
    background: white;
}

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

.accordion-item {
    background: white;
    border-radius: 15px;
    margin-bottom: 16px;
    border: 2px solid #e2e8f0;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.accordion-item:hover {
    border-color: #3B82F6;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.1);
}

.accordion-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    background: linear-gradient(135deg, #f0f9ff 0%, #ffffff 100%);
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 48px;
}

.accordion-header:hover {
    background: linear-gradient(135deg, #dbeafe 0%, #f0f9ff 100%);
}

.accordion-number {
    font-size: 24px;
    font-weight: 800;
    color: #3B82F6;
    margin-right: 16px;
}

.accordion-header h3 {
    font-size: 18px;
    font-weight: 700;
    color: #1a202c;
    flex: 1;
    text-align: left;
    margin: 0;
}

.chevron {
    transition: transform 0.3s ease;
    color: #3B82F6;
    flex-shrink: 0;
}

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

.accordion-item.active .accordion-header {
    background: linear-gradient(135deg, #1E40AF 0%, #3B82F6 100%);
}

.accordion-item.active .accordion-header h3,
.accordion-item.active .accordion-number,
.accordion-item.active .chevron {
    color: white;
}

.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: 24px;
    font-size: 16px;
    line-height: 1.8;
    color: #4a5568;
    font-weight: 500;
}

/* Mobile How It Works */
@media (max-width: 768px) {
    .how-it-works {
        padding: 60px 0;
    }
    
    .accordion-header {
        padding: 16px 20px;
    }
    
    .accordion-number {
        font-size: 20px;
        margin-right: 12px;
    }
    
    .accordion-header h3 {
        font-size: 16px;
    }
}

/* ===================================
   SECTION 6: CUSTOMER REVIEWS
   =================================== */

.reviews {
    padding: 80px 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #ffffff 100%);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.review-card {
    background: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    animation: fadeUp 0.6s ease-out;
    animation-fill-mode: both;
    border: 2px solid transparent;
}

.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;
}

.review-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 60px rgba(59, 130, 246, 0.15);
    border-color: #3B82F6;
}

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

.review-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #3B82F6;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.2);
}

.review-info h3 {
    font-size: 18px;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 4px;
}

.review-location {
    font-size: 14px;
    color: #718096;
    margin-bottom: 8px;
    font-weight: 600;
}

.review-stars {
    color: #F59E0B;
    font-size: 18px;
}

.review-text {
    font-size: 15px;
    line-height: 1.7;
    color: #4a5568;
    margin-bottom: 16px;
    font-weight: 500;
}

.review-badge {
    display: inline-block;
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: white;
    padding: 6px 12px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
}

/* Mobile Reviews */
@media (max-width: 768px) {
    .reviews {
        padding: 60px 0;
    }
    
    .reviews-grid {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 576px) and (max-width: 991px) {
    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===================================
   SECTION 7 & 12: PRICING
   =================================== */

.pricing {
    padding: 80px 0;
    background: white;
}

.pricing-secondary {
    background: linear-gradient(135deg, #f0f9ff 0%, #ffffff 100%);
}

.countdown-timer {
    max-width: 500px;
    margin: 0 auto 50px;
    background: linear-gradient(135deg, #1E40AF 0%, #3B82F6 100%);
    padding: 24px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(30, 64, 175, 0.3);
}

.timer-label {
    color: white;
    font-size: 18px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
}

.timer-display {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
}

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

.timer-number {
    font-size: 48px;
    font-weight: 900;
    color: white;
    background: rgba(255, 255, 255, 0.2);
    padding: 16px 24px;
    border-radius: 12px;
    min-width: 100px;
    text-align: center;
    backdrop-filter: blur(10px);
}

.timer-colon {
    font-size: 48px;
    font-weight: 900;
    color: white;
}

.timer-label-small {
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    font-weight: 600;
    margin-top: 8px;
    text-transform: uppercase;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.pricing-card {
    background: white;
    border: 3px solid #e2e8f0;
    border-radius: 20px;
    padding: 30px 20px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
}

.pricing-card.featured {
    border-color: #3B82F6;
    background: linear-gradient(135deg, #f0f9ff 0%, #ffffff 100%);
    transform: scale(1.05);
    box-shadow: 0 15px 50px rgba(59, 130, 246, 0.2);
}

.pricing-card.featured:hover {
    transform: translateY(-10px) scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: white;
    padding: 8px 24px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    box-shadow: 0 5px 20px rgba(16, 185, 129, 0.4);
}

.pricing-label {
    background: linear-gradient(135deg, #1E40AF 0%, #3B82F6 100%);
    color: white;
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    display: inline-block;
    margin-bottom: 16px;
}

.pricing-bottles {
    font-size: 24px;
    font-weight: 800;
    color: #1a202c;
    margin-bottom: 8px;
}

.pricing-supply {
    font-size: 14px;
    color: #718096;
    margin-bottom: 24px;
    font-weight: 600;
}

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

.pricing-image img {
    max-width: 180px;
    margin: 0 auto;
    transition: transform 0.3s ease;
}

.pricing-card:hover .pricing-image img {
    transform: scale(1.1) rotate(5deg);
}

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

.price-per {
    font-size: 48px;
    font-weight: 900;
    color: #1E40AF;
}

.price-label {
    display: block;
    font-size: 14px;
    color: #718096;
    margin-top: 4px;
    font-weight: 600;
}

.pricing-total {
    margin: 16px 0;
}

.original-price {
    font-size: 24px;
    color: #cbd5e0;
    text-decoration: line-through;
    margin-right: 8px;
    font-weight: 700;
}

.sale-price {
    font-size: 32px;
    font-weight: 800;
    color: #10B981;
}

.bonus-badges {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin: 16px 0;
}

.bonus-badge {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: white;
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
}

.btn-pricing {
    display: block;
    width: 100%;
    background: linear-gradient(135deg, #1E40AF 0%, #3B82F6 100%);
    color: white;
    padding: 16px 24px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 700;
    margin: 20px 0;
    min-height: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(30, 64, 175, 0.3);
}

.btn-pricing:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(30, 64, 175, 0.4);
}

.payment-logos {
    margin-top: 16px;
    opacity: 0.7;
}

.rating-section {
    text-align: center;
    margin-top: 40px;
}

/* Mobile Pricing */
@media (max-width: 576px) {
    .pricing {
        padding: 60px 0;
    }
    
    .countdown-timer {
        margin-bottom: 40px;
    }
    
    .timer-number {
        font-size: 36px;
        padding: 12px 20px;
        min-width: 80px;
    }
    
    .timer-colon {
        font-size: 36px;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-10px) scale(1);
    }
}

@media (min-width: 576px) and (max-width: 768px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===================================
   SECTION 8: INGREDIENTS
   =================================== */

.ingredients {
    padding: 80px 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #ffffff 100%);
}

.ingredients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.ingredient-card {
    background: white;
    padding: 28px;
    border-radius: 15px;
    border-left: 4px solid #3B82F6;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.ingredient-card:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.15);
    border-left-color: #1E40AF;
}

.ingredient-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: #1E40AF;
    margin-bottom: 12px;
}

.ingredient-card p {
    font-size: 15px;
    line-height: 1.7;
    color: #4a5568;
    font-weight: 500;
}

/* Mobile Ingredients */
@media (max-width: 768px) {
    .ingredients {
        padding: 60px 0;
    }
    
    .ingredients-grid {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   SECTION 9: SCIENTIFIC EVIDENCE
   =================================== */

.scientific-evidence {
    padding: 80px 0;
    background: white;
}

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

.evidence-section {
    background: linear-gradient(135deg, #f0f9ff 0%, #ffffff 100%);
    padding: 32px;
    border-radius: 15px;
    margin-bottom: 24px;
    border-left: 4px solid #3B82F6;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.evidence-section:hover {
    transform: translateX(10px);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.12);
}

.evidence-section h3 {
    font-size: 24px;
    font-weight: 700;
    color: #1E40AF;
    margin-bottom: 16px;
}

.evidence-section p {
    font-size: 16px;
    line-height: 1.8;
    color: #4a5568;
    font-weight: 500;
}

/* Mobile Scientific Evidence */
@media (max-width: 768px) {
    .scientific-evidence {
        padding: 60px 0;
    }
    
    .evidence-section {
        padding: 24px;
    }
    
    .evidence-section h3 {
        font-size: 20px;
    }
}

/* ===================================
   SECTION 10: GUARANTEE
   =================================== */

.guarantee {
    padding: 80px 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #ffffff 100%);
}

.guarantee-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: center;
}

.guarantee-image img {
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
    transition: transform 0.3s ease;
}

.guarantee-image img:hover {
    transform: scale(1.05);
}

.guarantee-point {
    display: flex;
    gap: 20px;
    margin-bottom: 32px;
    align-items: flex-start;
}

.guarantee-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.guarantee-point h3 {
    font-size: 22px;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 12px;
}

.guarantee-point p {
    font-size: 16px;
    line-height: 1.8;
    color: #4a5568;
    font-weight: 500;
}

/* Mobile Guarantee */
@media (max-width: 768px) {
    .guarantee {
        padding: 60px 0;
    }
    
    .guarantee-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .guarantee-image {
        order: -1;
    }
    
    .guarantee-point {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }
}

/* ===================================
   SECTION 11: BENEFITS
   =================================== */

.benefits {
    padding: 80px 0;
    background: white;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.benefit-item {
    display: flex;
    gap: 20px;
    background: linear-gradient(135deg, #f0f9ff 0%, #ffffff 100%);
    padding: 28px;
    border-radius: 15px;
    transition: all 0.3s ease;
    align-items: flex-start;
    border: 2px solid transparent;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.benefit-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.12);
    border-color: #3B82F6;
}

.benefit-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #1E40AF 0%, #3B82F6 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(30, 64, 175, 0.3);
}

.benefit-content h3 {
    font-size: 20px;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 8px;
}

.benefit-content p {
    font-size: 15px;
    line-height: 1.7;
    color: #4a5568;
    font-weight: 500;
}

/* Mobile Benefits */
@media (max-width: 768px) {
    .benefits {
        padding: 60px 0;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .benefit-item {
        padding: 20px;
    }
}

/* ===================================
   SECTION 13: FAQ
   =================================== */

.faq {
    padding: 80px 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #ffffff 100%);
}

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

.faq-item {
    background: white;
    border-radius: 15px;
    margin-bottom: 16px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: #3B82F6;
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px;
    background: white;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: left;
    min-height: 48px;
}

.faq-question:hover {
    background: #f0f9ff;
}

.faq-question h3 {
    font-size: 18px;
    font-weight: 700;
    color: #1a202c;
    flex: 1;
    margin: 0;
    padding-right: 16px;
}

.faq-item.active .faq-question {
    background: linear-gradient(135deg, #1E40AF 0%, #3B82F6 100%);
}

.faq-item.active .faq-question h3 {
    color: white;
}

.faq-item.active .chevron {
    color: white;
    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: 24px;
    font-size: 16px;
    line-height: 1.8;
    color: #4a5568;
    background: #f0f9ff;
    font-weight: 500;
}

/* Mobile FAQ */
@media (max-width: 768px) {
    .faq {
        padding: 60px 0;
    }
    
    .faq-question {
        padding: 20px;
    }
    
    .faq-question h3 {
        font-size: 16px;
    }
    
    .faq-answer p {
        padding: 20px;
        font-size: 15px;
    }
}

/* ===================================
   SECTION 16: FINAL CTA
   =================================== */

.final-cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #1E40AF 0%, #3B82F6 100%);
    position: relative;
    overflow: hidden;
}

.final-cta::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"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.5;
}

.final-cta-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.cta-animation-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.cta-animation-wrapper img {
    position: relative;
    z-index: 2;
    max-width: 350px;
    filter: drop-shadow(0 20px 60px rgba(0, 0, 0, 0.3));
}

.cta-pulse-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    border: 3px solid rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    animation: pulseRing 3s ease-in-out infinite;
    z-index: 1;
}

.cta-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: shine 4s ease-in-out infinite;
}

.final-cta-text h2 {
    font-size: clamp(28px, 5vw, 42px);
    font-weight: 900;
    color: white;
    margin-bottom: 32px;
    line-height: 1.3;
}

.final-price {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 24px;
    border-radius: 15px;
    margin-bottom: 32px;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.price-strike {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.price-strike span:first-child {
    color: rgba(255, 255, 255, 0.9);
    font-size: 16px;
    font-weight: 600;
}

.strike-amount {
    font-size: 28px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: line-through;
}

.price-special {
    display: flex;
    align-items: center;
    gap: 12px;
}

.price-special span:first-child {
    color: white;
    font-size: 18px;
    font-weight: 700;
}

.special-amount {
    font-size: 40px;
    font-weight: 900;
    color: #FFD700;
    text-shadow: 0 2px 10px rgba(255, 215, 0, 0.5);
}

.btn-final-cta {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: white;
    color: #1E40AF;
    padding: 20px 40px;
    border-radius: 50px;
    font-size: 20px;
    font-weight: 700;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    margin-bottom: 24px;
    min-height: 56px;
}

.btn-final-cta:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.4);
}

.urgency-text {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.urgency-text p {
    color: white;
    font-size: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Mobile Final CTA */
@media (max-width: 768px) {
    .final-cta {
        padding: 60px 0;
    }
    
    .final-cta-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .cta-animation-wrapper img {
        max-width: 250px;
        margin: 0 auto;
    }
    
    .btn-final-cta {
        width: 100%;
        justify-content: center;
    }
    
    .final-price {
        text-align: center;
    }
    
    .price-strike,
    .price-special {
        justify-content: center;
    }
}

/* ===================================
   SECTION 17: FOOTER
   =================================== */

.footer {
    background: #1a202c;
    color: white;
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
    color: white;
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 15px;
    transition: color 0.3s ease;
    font-weight: 500;
}

.footer-column a:hover {
    color: #3B82F6;
}

.social-icons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.social-icons a {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-icons a:hover {
    background: linear-gradient(135deg, #1E40AF 0%, #3B82F6 100%);
    transform: translateY(-3px);
}

.footer-disclaimer {
    background: rgba(255, 255, 255, 0.05);
    padding: 24px;
    border-radius: 10px;
    margin-bottom: 24px;
}

.footer-disclaimer p {
    font-size: 13px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
}

.footer-copyright {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-copyright p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 500;
}

/* Mobile Footer */
@media (max-width: 768px) {
    .footer {
        padding: 40px 0 20px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .social-icons {
        justify-content: center;
    }
}

/* ===================================
   SCROLL TO TOP BUTTON
   =================================== */

.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #1E40AF 0%, #3B82F6 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 20px rgba(30, 64, 175, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    cursor: pointer;
}

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

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(30, 64, 175, 0.6);
}

/* Mobile Scroll to Top */
@media (max-width: 768px) {
    .scroll-to-top {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
    }
}

/* ===================================
   PURCHASE NOTIFICATION
   =================================== */

.purchase-notification {
    position: fixed;
    bottom: 30px;
    left: 30px;
    background: white;
    border-radius: 15px;
    padding: 16px 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    z-index: 998;
    transform: translateX(-400px);
    opacity: 0;
    transition: all 0.4s ease;
    max-width: 350px;
    border: 2px solid #10B981;
}

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

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

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

.notification-text {
    font-size: 14px;
    line-height: 1.5;
    color: #1a202c;
    font-weight: 600;
}

.notification-text strong {
    font-weight: 700;
    color: #1E40AF;
}

/* Mobile Purchase Notification */
@media (max-width: 768px) {
    .purchase-notification {
        left: 50%;
        bottom: 20px;
        transform: translateX(-50%) translateY(150px);
        max-width: calc(100% - 40px);
    }
    
    .purchase-notification.show {
        transform: translateX(-50%) translateY(0);
    }
}

/* ===================================
   RESPONSIVE BREAKPOINTS
   =================================== */

/* Small phones (320px - 479px) */
@media (max-width: 479px) {
    html {
        font-size: 14px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .section-subtitle {
        font-size: 15px;
    }
    
    .container {
        padding: 0 16px;
    }
}

/* Large desktops (1440px+) */
@media (min-width: 1440px) {
    .container {
        max-width: 1400px;
    }
}

/* ===================================
   ACCESSIBILITY & PERFORMANCE
   =================================== */

/* Focus styles */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 3px solid #3B82F6;
    outline-offset: 2px;
}

/* High contrast mode */
@media (prefers-contrast: high) {
    body {
        background: white;
    }
}

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* GPU acceleration */
.animate-slide-up,
.animate-float-slow,
.product-bottle,
.pricing-card,
.review-card {
    will-change: transform;
}

/* ===================================
   PRINT STYLES
   =================================== */

@media print {
    .header,
    .scroll-to-top,
    .purchase-notification,
    .btn-hero-cta,
    .btn-pricing,
    .btn-final-cta,
    .countdown-timer {
        display: none !important;
    }
    
    body {
        background: white;
    }
}

/* ===================================
   END OF STYLES
   =================================== */