/* ===================================
   TUPI TEA - LANDING PAGE STYLES
   Mobile-First Responsive Design
   =================================== */

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

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

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #2d3748;
    background-color: #ffffff;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

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

ul {
    list-style: none;
}

/* Prevent zoom on input focus (iOS) */
input, select, textarea {
    font-size: 16px;
}

/* ===================================
   2. 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;
    }
}

/* ===================================
   3. TYPOGRAPHY
   =================================== */

.section-title {
    font-size: 28px;
    font-weight: 700;
    line-height: 1.2;
    color: #1a202c;
    margin-bottom: 12px;
    text-align: center;
}

.section-subtitle {
    font-size: 16px;
    color: #718096;
    text-align: center;
    margin-bottom: 40px;
    line-height: 1.6;
}

@media (min-width: 768px) {
    .section-title {
        font-size: 36px;
        margin-bottom: 16px;
    }
    
    .section-subtitle {
        font-size: 18px;
        margin-bottom: 50px;
    }
}

@media (min-width: 1024px) {
    .section-title {
        font-size: 42px;
    }
    
    .section-subtitle {
        font-size: 20px;
    }
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    min-height: 48px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s ease;
    text-align: center;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

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

@media (min-width: 768px) {
    .btn {
        padding: 18px 40px;
        font-size: 18px;
        min-height: 56px;
    }
}

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

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

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

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    min-height: 70px;
}

.nav-brand {
    z-index: 1001;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 24px;
    font-weight: 700;
    color: #667eea;
}

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

.logo strong {
    color: #764ba2;
}

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

.hamburger-line {
    width: 100%;
    height: 3px;
    background: #667eea;
    border-radius: 2px;
    transition: all 0.3s ease;
}

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

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

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

/* Mobile Navigation Menu */
.nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 100px 30px 30px;
    transition: right 0.4s ease;
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.2);
}

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

.nav-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.nav-link {
    color: #ffffff;
    font-size: 18px;
    font-weight: 500;
    padding: 12px 0;
    display: block;
    transition: all 0.3s ease;
}

.nav-link:hover {
    transform: translateX(8px);
    opacity: 0.8;
}

.nav-cta {
    margin-top: 20px;
}

.btn-nav {
    width: 100%;
    background: #ffffff;
    color: #667eea;
    font-weight: 700;
}

/* Desktop Navigation */
@media (min-width: 768px) {
    .hamburger {
        display: none;
    }
    
    .nav-menu {
        position: static;
        width: auto;
        height: auto;
        background: transparent;
        padding: 0;
        box-shadow: none;
    }
    
    .nav-list {
        flex-direction: row;
        align-items: center;
        gap: 30px;
    }
    
    .nav-link {
        color: #2d3748;
        font-size: 16px;
        padding: 0;
    }
    
    .nav-link:hover {
        color: #667eea;
        transform: translateY(-2px);
    }
    
    .nav-cta {
        margin-top: 0;
    }
    
    .btn-nav {
        width: auto;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: #ffffff;
        padding: 12px 24px;
    }
}

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

.hero-section {
    padding: 100px 0 60px;
    background: linear-gradient(135deg, #f6f9fc 0%, #e9ecef 100%);
    overflow: hidden;
    margin-top: 70px;
}

.hero-container {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
}

/* Hero Image */
.hero-image-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInUp 1s ease;
}

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

.hero-image {
    width: 100%;
    max-width: 350px;
    filter: drop-shadow(0 20px 40px rgba(102, 126, 234, 0.3));
    animation: floatAnimation 3s ease-in-out infinite;
}

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

.hero-badge {
    position: absolute;
    top: -10px;
    right: 10%;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: #ffffff;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(245, 87, 108, 0.4);
    animation: pulse 2s ease-in-out infinite;
}

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

/* Floating Elements */
.floating-elements {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.float-element {
    position: absolute;
    font-size: 24px;
    opacity: 0.6;
    animation: float 4s ease-in-out infinite;
}

.float-1 {
    top: 10%;
    left: 5%;
    animation-delay: 0s;
}

.float-2 {
    top: 50%;
    right: 5%;
    animation-delay: 1s;
}

.float-3 {
    bottom: 15%;
    left: 10%;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(10deg);
    }
}

/* Hero Text */
.hero-text {
    text-align: center;
    animation: fadeInRight 1s ease 0.3s both;
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-title {
    font-size: 28px;
    font-weight: 800;
    line-height: 1.2;
    color: #1a202c;
    margin-bottom: 20px;
}

.hero-title .highlight {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 16px;
    color: #4a5568;
    margin-bottom: 16px;
    line-height: 1.7;
}

.hero-cta {
    margin: 30px 0;
}

.btn-hero {
    width: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    padding: 18px 32px;
    min-height: 56px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    position: relative;
    overflow: hidden;
}

.btn-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.btn-hero:hover::before {
    left: 100%;
}

.btn-pulse {
    animation: pulseBtn 2s ease-in-out infinite;
}

@keyframes pulseBtn {
    0%, 100% {
        box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
    }
    50% {
        box-shadow: 0 10px 40px rgba(102, 126, 234, 0.6);
    }
}

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

.btn-subtext {
    font-size: 13px;
    font-weight: 400;
    opacity: 0.9;
}

/* Hero Features */
.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    margin-top: 30px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #4a5568;
    font-weight: 500;
}

.feature-icon {
    color: #667eea;
    flex-shrink: 0;
}

/* Desktop Hero Layout */
@media (min-width: 768px) {
    .hero-section {
        padding: 120px 0 80px;
    }
    
    .hero-content {
        grid-template-columns: 1fr 1fr;
        gap: 60px;
    }
    
    .hero-text {
        text-align: left;
    }
    
    .hero-title {
        font-size: 40px;
    }
    
    .hero-description {
        font-size: 17px;
    }
    
    .btn-hero {
        width: auto;
        max-width: 400px;
    }
    
    .hero-features {
        justify-content: flex-start;
    }
    
    .hero-image {
        max-width: 450px;
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 48px;
    }
    
    .hero-description {
        font-size: 18px;
    }
    
    .hero-image {
        max-width: 500px;
    }
}

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

.why-section {
    padding: 60px 0;
    background: #ffffff;
}

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

.badge-card {
    background: #ffffff;
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    transition: all 0.4s ease;
    opacity: 0;
    transform: translateY(30px);
}

.badge-card.visible {
    opacity: 1;
    transform: translateY(0);
    animation: slideUp 0.6s ease forwards;
}

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

.badge-card:hover {
    transform: translateY(-8px) rotate(2deg);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.2);
    border-color: #667eea;
}

.badge-image-wrapper {
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.badge-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.badge-title {
    font-size: 20px;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 12px;
}

.badge-description {
    font-size: 15px;
    color: #4a5568;
    line-height: 1.6;
}

@media (min-width: 576px) {
    .badges-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

@media (min-width: 1024px) {
    .why-section {
        padding: 80px 0;
    }
    
    .badges-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }
}

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

.what-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #f6f9fc 0%, #e9ecef 100%);
}

.what-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
}

.what-text {
    order: 2;
}

.what-paragraph {
    font-size: 16px;
    color: #4a5568;
    line-height: 1.8;
    margin-bottom: 20px;
}

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

.what-img {
    width: 100%;
    max-width: 400px;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

@media (min-width: 768px) {
    .what-section {
        padding: 80px 0;
    }
    
    .what-content {
        grid-template-columns: 1fr 1fr;
        gap: 60px;
    }
    
    .what-text {
        order: 1;
    }
    
    .what-image {
        order: 2;
    }
    
    .what-img {
        max-width: 500px;
    }
}

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

.how-section {
    padding: 60px 0;
    background: #ffffff;
}

.accordion {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.accordion-item {
    background: #ffffff;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.accordion-item:hover {
    border-color: #667eea;
}

.accordion-header {
    width: 100%;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    background: #ffffff;
    transition: all 0.3s ease;
    min-height: 60px;
}

.accordion-header:hover {
    background: #f7fafc;
}

.accordion-title {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 16px;
    font-weight: 600;
    color: #1a202c;
    text-align: left;
}

.accordion-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    border-radius: 50%;
    font-size: 14px;
    font-weight: 700;
    flex-shrink: 0;
}

.accordion-icon {
    font-size: 24px;
    color: #667eea;
    font-weight: 300;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.accordion-header[aria-expanded="true"] .accordion-icon {
    transform: rotate(45deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.accordion-header[aria-expanded="true"] + .accordion-content {
    max-height: 1000px;
}

.accordion-content p {
    padding: 0 20px 20px;
    font-size: 15px;
    color: #4a5568;
    line-height: 1.8;
}

@media (min-width: 768px) {
    .how-section {
        padding: 80px 0;
    }
    
    .accordion-title {
        font-size: 18px;
    }
    
    .accordion-content p {
        padding: 0 24px 24px;
        font-size: 16px;
    }
}

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

.reviews-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #f6f9fc 0%, #e9ecef 100%);
}

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

.review-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    opacity: 0;
    transform: scale(0.9);
}

.review-card.visible {
    opacity: 1;
    transform: scale(1);
    animation: scaleIn 0.6s ease forwards;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.review-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

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

.review-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #667eea;
}

.review-info {
    flex: 1;
}

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

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

.review-rating {
    display: flex;
    gap: 4px;
}

.star {
    color: #ffc107;
    font-size: 18px;
}

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

.review-verified {
    display: inline-flex;
    align-items: center;
    font-size: 13px;
    color: #667eea;
    font-weight: 600;
}

@media (min-width: 576px) {
    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

@media (min-width: 1024px) {
    .reviews-section {
        padding: 80px 0;
    }
    
    .reviews-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

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

.pricing-section {
    padding: 60px 0;
    background: #ffffff;
}

/* Countdown Timer */
.countdown-timer {
    max-width: 600px;
    margin: 0 auto 50px;
    text-align: center;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
    color: #ffffff;
    padding: 24px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(238, 90, 111, 0.3);
}

.timer-text {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}

.timer-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 32px;
    font-weight: 700;
}

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

.timer-value {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.timer-label {
    font-size: 12px;
    font-weight: 400;
    margin-top: 8px;
    text-transform: uppercase;
}

.timer-separator {
    font-size: 40px;
    margin: 0 4px;
}

/* Pricing Grid */
.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 40px;
}

.pricing-card {
    background: #ffffff;
    border: 2px solid #e2e8f0;
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    border-color: #667eea;
}

.pricing-featured {
    border: 3px solid #667eea;
    background: linear-gradient(135deg, #f6f9fc 0%, #e9ecef 100%);
    transform: scale(1);
}

.pricing-featured:hover {
    transform: translateY(-8px) scale(1.02);
}

.popular-badge {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
    color: #ffffff;
    padding: 8px 24px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(238, 90, 111, 0.4);
}

.pricing-label {
    font-size: 14px;
    font-weight: 700;
    color: #667eea;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.pricing-package {
    font-size: 22px;
    font-weight: 800;
    color: #1a202c;
    margin-bottom: 8px;
}

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

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

.pricing-image img {
    max-width: 180px;
    margin: 0 auto;
}

.pricing-price {
    margin-bottom: 16px;
}

.price-per {
    font-size: 48px;
    font-weight: 800;
    color: #667eea;
    display: block;
}

.price-label {
    font-size: 14px;
    color: #718096;
    display: block;
}

.pricing-total {
    margin-bottom: 20px;
}

.price-old {
    font-size: 20px;
    color: #cbd5e0;
    text-decoration: line-through;
    margin-right: 8px;
}

.price-new {
    font-size: 32px;
    font-weight: 800;
    color: #1a202c;
}

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

.badge-bonus,
.badge-shipping {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #ffffff;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
}

.btn-cart {
    width: 100%;
    margin: 20px 0;
    background: transparent;
    padding: 0;
}

.btn-cart img {
    width: 100%;
    max-width: 200px;
    margin: 0 auto;
    transition: transform 0.3s ease;
}

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

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

.payment-logos img {
    max-width: 220px;
    margin: 0 auto;
    opacity: 0.8;
}

/* Rating Section */
.rating-section {
    text-align: center;
    margin-top: 40px;
}

.rating-image {
    max-width: 250px;
    margin: 0 auto 12px;
}

.rating-text {
    font-size: 15px;
    color: #4a5568;
    font-weight: 500;
}

@media (min-width: 576px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
}

@media (min-width: 1024px) {
    .pricing-section {
        padding: 80px 0;
    }
    
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    
    .timer-display {
        font-size: 40px;
    }
    
    .timer-value {
        width: 90px;
        height: 90px;
    }
}

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

.ingredients-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #f6f9fc 0%, #e9ecef 100%);
}

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

.ingredient-card {
    background: #ffffff;
    border-radius: 12px;
    padding: 24px;
    border-left: 4px solid #667eea;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.ingredient-card:hover {
    transform: translateX(8px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.ingredient-name {
    font-size: 18px;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 12px;
}

.ingredient-description {
    font-size: 15px;
    color: #4a5568;
    line-height: 1.7;
    margin-bottom: 12px;
}

.ingredient-benefits {
    font-size: 14px;
    color: #667eea;
    line-height: 1.6;
}

@media (min-width: 768px) {
    .ingredients-section {
        padding: 80px 0;
    }
    
    .ingredients-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
}

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

.science-section {
    padding: 60px 0;
    background: #ffffff;
}

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

.science-accordion {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 40px;
}

.science-item {
    background: #ffffff;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    overflow: hidden;
}

.science-header {
    width: 100%;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    background: #ffffff;
    transition: all 0.3s ease;
    min-height: 60px;
}

.science-header:hover {
    background: #f7fafc;
}

.science-title {
    font-size: 16px;
    font-weight: 600;
    color: #1a202c;
    text-align: left;
}

.science-icon {
    font-size: 24px;
    color: #667eea;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.science-header[aria-expanded="true"] .science-icon {
    transform: rotate(45deg);
}

.science-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.science-header[aria-expanded="true"] + .science-body {
    max-height: 2000px;
}

.science-body p {
    padding: 0 20px 20px;
    font-size: 15px;
    color: #4a5568;
    line-height: 1.8;
}

.science-note {
    background: #fef3c7;
    border-left: 4px solid #f59e0b;
    padding: 20px;
    border-radius: 8px;
}

.science-note p {
    font-size: 14px;
    color: #78350f;
    line-height: 1.7;
    margin: 0;
}

@media (min-width: 768px) {
    .science-section {
        padding: 80px 0;
    }
    
    .science-title {
        font-size: 18px;
    }
    
    .science-body p {
        font-size: 16px;
        padding: 0 24px 24px;
    }
}

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

.guarantee-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #f6f9fc 0%, #e9ecef 100%);
}

.guarantee-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
}

.guarantee-image {
    display: flex;
    justify-content: center;
}

.guarantee-img {
    width: 100%;
    max-width: 350px;
    border-radius: 16px;
}

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

.guarantee-points {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-top: 30px;
}

.guarantee-point {
    display: flex;
    gap: 16px;
    text-align: left;
}

.guarantee-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    flex-shrink: 0;
}

.guarantee-detail h3 {
    font-size: 18px;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 8px;
}

.guarantee-detail p {
    font-size: 15px;
    color: #4a5568;
    line-height: 1.7;
}

@media (min-width: 768px) {
    .guarantee-section {
        padding: 80px 0;
    }
    
    .guarantee-content {
        grid-template-columns: 1fr 1fr;
        gap: 60px;
    }
    
    .guarantee-text {
        text-align: left;
    }
    
    .guarantee-img {
        max-width: 400px;
    }
}

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

.benefits-section {
    padding: 60px 0;
    background: #ffffff;
}

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

.benefit-item {
    background: linear-gradient(135deg, #ffffff 0%, #f7fafc 100%);
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    transition: all 0.4s ease;
}

.benefit-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.2);
    border-color: #667eea;
}

.benefit-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
}

.benefit-title {
    font-size: 18px;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 12px;
}

.benefit-description {
    font-size: 15px;
    color: #4a5568;
    line-height: 1.7;
}

@media (min-width: 576px) {
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

@media (min-width: 1024px) {
    .benefits-section {
        padding: 80px 0;
    }
    
    .benefits-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }
}

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

.faq-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #f6f9fc 0%, #e9ecef 100%);
}

.faq-accordion {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

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

.faq-header:hover {
    background: #f7fafc;
}

.faq-question {
    font-size: 16px;
    font-weight: 600;
    color: #1a202c;
    text-align: left;
    padding-right: 16px;
}

.faq-icon {
    font-size: 24px;
    color: #667eea;
    font-weight: 300;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-header[aria-expanded="true"] .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-header[aria-expanded="true"] + .faq-answer {
    max-height: 1500px;
}

.faq-answer p {
    padding: 0 20px 20px;
    font-size: 15px;
    color: #4a5568;
    line-height: 1.8;
}

@media (min-width: 768px) {
    .faq-section {
        padding: 80px 0;
    }
    
    .faq-question {
        font-size: 18px;
    }
    
    .faq-answer p {
        font-size: 16px;
        padding: 0 24px 24px;
    }
}

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

.final-cta-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.final-cta-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
}

.final-cta-image {
    display: flex;
    justify-content: center;
    animation: scaleUp 1s ease;
}

@keyframes scaleUp {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.final-img {
    width: 100%;
    max-width: 350px;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
    animation: bounceIn 1.5s ease infinite;
}

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

.final-cta-text {
    text-align: center;
    color: #ffffff;
}

.final-title {
    font-size: 28px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 30px;
    line-height: 1.3;
}

.final-pricing {
    margin-bottom: 30px;
}

.final-price-old {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 8px;
}

.final-price-old span {
    text-decoration: line-through;
    font-size: 20px;
}

.final-price-new {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    margin-bottom: 12px;
}

.price-label {
    font-size: 16px;
    font-weight: 400;
}

.price-value {
    font-size: 48px;
    font-weight: 900;
    line-height: 1;
}

.final-savings {
    font-size: 18px;
    font-weight: 600;
    color: #fbbf24;
}

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

.final-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    justify-content: center;
}

.check-icon {
    width: 24px;
    height: 24px;
    background: #10b981;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
}

.btn-final {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    background: #ffffff;
    color: #667eea;
    padding: 18px 32px;
    min-height: 56px;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.btn-final:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.btn-arrow {
    font-size: 24px;
    transition: transform 0.3s ease;
}

.btn-final:hover .btn-arrow {
    transform: translateX(8px);
}

.final-note {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
    margin-top: 20px;
}

@media (min-width: 768px) {
    .final-cta-section {
        padding: 80px 0;
    }
    
    .final-cta-content {
        grid-template-columns: 1fr 1fr;
        gap: 60px;
    }
    
    .final-cta-text {
        text-align: left;
    }
    
    .final-title {
        font-size: 36px;
    }
    
    .final-features {
        align-items: flex-start;
    }
    
    .final-feature {
        justify-content: flex-start;
    }
    
    .final-img {
        max-width: 400px;
    }
}

@media (min-width: 1024px) {
    .final-title {
        font-size: 42px;
    }
    
    .price-value {
        font-size: 56px;
    }
}

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

.footer {
    padding: 60px 0 30px;
    background: #1a202c;
    color: #e2e8f0;
}

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

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

.footer-title {
    font-size: 18px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 16px;
}

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

.footer-links a {
    color: #cbd5e0;
    font-size: 15px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #667eea;
}

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

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

.social-icon:hover {
    background: #667eea;
    transform: translateY(-4px);
}

.footer-disclaimer {
    background: rgba(255, 255, 255, 0.05);
    padding: 24px;
    border-radius: 12px;
    margin-bottom: 30px;
}

.footer-disclaimer p {
    font-size: 13px;
    color: #cbd5e0;
    line-height: 1.7;
    text-align: center;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.copyright {
    font-size: 14px;
    color: #cbd5e0;
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 60px;
    }
    
    .footer-column {
        text-align: left;
    }
    
    .social-icons {
        justify-content: flex-start;
    }
    
    .footer-disclaimer p {
        text-align: left;
    }
}

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

.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

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

.scroll-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.5);
}

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

.purchase-notification {
    position: fixed;
    bottom: 30px;
    left: 30px;
    background: #ffffff;
    border-radius: 12px;
    padding: 16px 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 998;
    opacity: 0;
    transform: translateX(-100%);
    transition: all 0.5s ease;
    max-width: 320px;
}

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

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

.notification-text {
    flex: 1;
}

.notification-text strong {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: #1a202c;
}

.notification-text p {
    font-size: 13px;
    color: #718096;
    margin: 4px 0 0;
}

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

/* ===================================
   21. CTA POPUP
   =================================== */

.cta-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
}

.cta-popup.active {
    display: flex;
}

.popup-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.popup-content {
    position: relative;
    background: #ffffff;
    border-radius: 20px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.4s ease;
    z-index: 1;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.popup-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #1a202c;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 2;
}

.popup-close:hover {
    background: rgba(0, 0, 0, 0.2);
    transform: rotate(90deg);
}

.popup-body {
    padding: 50px 30px 30px;
    text-align: center;
}

.popup-title {
    font-size: 24px;
    font-weight: 800;
    color: #1a202c;
    margin-bottom: 16px;
}

.popup-text {
    font-size: 16px;
    color: #4a5568;
    margin-bottom: 24px;
    line-height: 1.6;
}

.popup-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 30px;
    text-align: left;
}

.popup-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: #2d3748;
}

.btn-popup {
    width: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    padding: 16px 32px;
    min-height: 52px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.btn-popup:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.5);
}

.popup-note {
    font-size: 12px;
    color: #718096;
    margin-top: 16px;
}

@media (max-width: 576px) {
    .popup-body {
        padding: 60px 24px 24px;
    }
    
    .popup-title {
        font-size: 20px;
    }
}

/* ===================================
   22. ANIMATIONS & UTILITIES
   =================================== */

/* 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;
    }
}

/* Loader Animation */
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ===================================
   23. PRINT STYLES
   =================================== */

@media print {
    .header,
    .scroll-to-top,
    .purchase-notification,
    .cta-popup,
    .btn {
        display: none !important;
    }
    
    body {
        background: #ffffff;
    }
}

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