/* ================================
   STAMINOX LANDING PAGE STYLES
   Modern Gradient Design
   Mobile-First Responsive
   ================================ */

/* ========== RESET & BASE ========== */
* {
    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: 1.7;
    color: #1a202c;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    overflow-x: hidden;
}

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

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

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

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

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

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 32px;
    min-height: 48px;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    border-radius: 50px;
    transition: all 0.3s ease;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    color: #ffffff;
    box-shadow: 0 10px 30px rgba(79, 70, 229, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 40px rgba(79, 70, 229, 0.4);
}

.btn-primary:active {
    transform: translateY(-1px) scale(0.98);
}

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

/* ========== SECTION TITLES ========== */
.section-title {
    font-size: 28px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 18px;
    text-align: center;
    color: #4a5568;
    margin-bottom: 32px;
}

/* ========== HEADER & NAVIGATION ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.header.scrolled {
    padding: 8px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

.navbar {
    padding: 16px 0;
}

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

.logo {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: none;
    list-style: none;
}

.nav-link {
    padding: 12px 20px;
    color: #2d3748;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #4F46E5;
}

.btn-nav {
    padding: 12px 24px;
    min-height: 44px;
    font-size: 14px;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 8px;
    z-index: 1001;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    border-radius: 3px;
    transition: all 0.3s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Menu */
.nav-menu.active {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    animation: slideIn 0.3s ease;
}

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

/* ========== HERO SECTION ========== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-image {
    position: relative;
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
    animation: float 3s ease-in-out infinite;
}

.hero-image-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.4) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
    z-index: -1;
}

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

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

.animate-float {
    animation: float 3s ease-in-out infinite;
}

.hero-content {
    color: #ffffff;
}

.hero-title {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 24px;
    line-height: 1.2;
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.hero-description {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 16px;
    opacity: 0.95;
}

.btn-hero {
    margin-top: 32px;
    width: 100%;
    max-width: 400px;
    background: #ffffff;
    color: #4F46E5;
    font-size: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.btn-hero:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

/* ========== WHY CHOOSE SECTION ========== */
.why-choose-section {
    padding: 60px 0;
    background: #ffffff;
}

.badges-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 40px;
}

.badge-card {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    transition: all 0.4s ease;
    border: 2px solid transparent;
    opacity: 0;
    transform: translateY(30px);
}

.badge-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.badge-card:hover {
    transform: translateY(-8px) scale(1.05) rotate(2deg);
    box-shadow: 0 20px 50px rgba(79, 70, 229, 0.2);
    border-color: rgba(79, 70, 229, 0.3);
}

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

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

.badge-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #2d3748;
}

.badge-description {
    font-size: 14px;
    color: #4a5568;
    line-height: 1.6;
}

/* ========== WHAT IS SECTION ========== */
.what-is-section {
    padding: 60px 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.03) 0%, rgba(6, 182, 212, 0.03) 100%);
}

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

.content-text {
    order: 2;
}

.content-image {
    order: 1;
}

.content-image img {
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

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

/* ========== HOW IT WORKS SECTION ========== */
.how-it-works-section {
    padding: 60px 0;
    background: #ffffff;
}

.accordion {
    max-width: 800px;
    margin: 40px auto 0;
}

.accordion-item {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
    border-radius: 15px;
    margin-bottom: 16px;
    overflow: hidden;
    border: 2px solid transparent;
    transition: border-color 0.3s ease;
}

.accordion-item:hover {
    border-color: rgba(79, 70, 229, 0.3);
}

.accordion-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    min-height: 44px;
    font-size: 16px;
    font-weight: 600;
    color: #2d3748;
    background: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
}

.accordion-header:hover {
    background: rgba(79, 70, 229, 0.05);
}

.accordion-icon {
    width: 24px;
    height: 24px;
    transition: transform 0.3s ease;
    color: #4F46E5;
}

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

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

.accordion-item.active .accordion-content {
    max-height: 500px;
    padding: 0 20px 20px;
}

.accordion-content p {
    font-size: 14px;
    line-height: 1.7;
    color: #4a5568;
}

/* ========== REVIEWS SECTION ========== */
.reviews-section {
    padding: 60px 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.03) 0%, rgba(6, 182, 212, 0.03) 100%);
    overflow: hidden;
}

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

.review-card {
    background: #ffffff;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
    opacity: 0;
    transform: translateX(-50px);
}

.review-card.visible {
    opacity: 1;
    transform: translateX(0);
}

.review-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(79, 70, 229, 0.2);
}

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

.review-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #4F46E5;
}

.review-info {
    flex: 1;
}

.review-name {
    font-size: 18px;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 4px;
}

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

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

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

/* ========== PRICING SECTION ========== */
.pricing-section {
    padding: 60px 0;
    background: #ffffff;
}

.pricing-section-alt {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.03) 0%, rgba(6, 182, 212, 0.03) 100%);
}

.countdown-timer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin: 40px 0;
    padding: 20px;
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    border-radius: 15px;
    max-width: 300px;
    margin: 40px auto;
    box-shadow: 0 10px 30px rgba(239, 68, 68, 0.3);
}

.timer-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    padding: 15px 20px;
    backdrop-filter: blur(10px);
}

.timer-value {
    font-size: 36px;
    font-weight: 800;
    color: #ffffff;
    line-height: 1;
}

.timer-label {
    font-size: 12px;
    color: #ffffff;
    text-transform: uppercase;
    margin-top: 5px;
}

.timer-separator {
    font-size: 36px;
    font-weight: 800;
    color: #ffffff;
}

.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin: 40px 0;
}

.pricing-card {
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    border: 2px solid #e2e8f0;
    transition: all 0.4s ease;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(79, 70, 229, 0.2);
    border-color: #4F46E5;
}

.pricing-card-popular {
    border: 3px solid #4F46E5;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    color: #ffffff;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    box-shadow: 0 5px 15px rgba(239, 68, 68, 0.4);
}

.pricing-label {
    display: inline-block;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    color: #ffffff;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.pricing-title {
    font-size: 24px;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 8px;
}

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

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

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

.pricing-price {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 20px 0;
}

.price-per-bottle {
    font-size: 48px;
    font-weight: 800;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.price-label {
    font-size: 14px;
    color: #718096;
    margin-top: 5px;
}

.pricing-total {
    font-size: 20px;
    margin: 20px 0;
}

.price-old {
    color: #718096;
    text-decoration: line-through;
    margin-right: 8px;
}

.price-new {
    font-weight: 700;
    color: #2d3748;
}

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

.badge-bonus,
.badge-shipping {
    display: inline-block;
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: #ffffff;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
}

.btn-pricing {
    width: 100%;
    margin: 20px 0;
}

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

.payment-logos img {
    max-width: 200px;
    margin: 0 auto;
    opacity: 0.8;
}

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

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

/* ========== INGREDIENTS SECTION ========== */
.ingredients-section {
    padding: 60px 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.03) 0%, rgba(6, 182, 212, 0.03) 100%);
}

.ingredients-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 40px;
}

.ingredient-card {
    background: #ffffff;
    border-radius: 15px;
    padding: 24px;
    border: 2px solid #e2e8f0;
    transition: all 0.3s ease;
}

.ingredient-card:hover {
    border-color: #4F46E5;
    box-shadow: 0 10px 30px rgba(79, 70, 229, 0.1);
    transform: translateY(-5px);
}

.ingredient-name {
    font-size: 18px;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 12px;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.ingredient-description {
    font-size: 14px;
    line-height: 1.7;
    color: #4a5568;
}

/* ========== SCIENCE SECTION ========== */
.science-section {
    padding: 60px 0;
    background: #ffffff;
}

.science-content {
    max-width: 900px;
    margin: 40px auto 0;
}

.science-item {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 24px;
    border-left: 4px solid #4F46E5;
}

.science-subtitle {
    font-size: 20px;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 16px;
}

.science-text {
    font-size: 15px;
    line-height: 1.8;
    color: #4a5568;
}

/* ========== GUARANTEE SECTION ========== */
.guarantee-section {
    padding: 60px 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.03) 0%, rgba(6, 182, 212, 0.03) 100%);
}

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

.guarantee-image {
    order: 1;
}

.guarantee-image img {
    border-radius: 20px;
    max-width: 100%;
}

.guarantee-content {
    order: 2;
}

.guarantee-item {
    margin-bottom: 30px;
}

.guarantee-title {
    font-size: 22px;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 12px;
}

.guarantee-text {
    font-size: 15px;
    line-height: 1.8;
    color: #4a5568;
}

/* ========== BENEFITS SECTION ========== */
.benefits-section {
    padding: 60px 0;
    background: #ffffff;
}

.benefits-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    max-width: 900px;
    margin: 40px auto 0;
}

.benefit-item {
    display: flex;
    gap: 16px;
    padding: 24px;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.benefit-item:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(79, 70, 229, 0.1);
}

.benefit-icon {
    width: 32px;
    height: 32px;
    min-width: 32px;
    color: #10B981;
}

.benefit-content {
    flex: 1;
}

.benefit-title {
    font-size: 18px;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 6px;
}

.benefit-description {
    font-size: 14px;
    line-height: 1.6;
    color: #4a5568;
}

/* ========== FAQ SECTION ========== */
.faq-section {
    padding: 60px 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.03) 0%, rgba(6, 182, 212, 0.03) 100%);
}

.faq-accordion {
    max-width: 800px;
    margin: 40px auto 0;
}

.faq-item {
    background: #ffffff;
    border-radius: 15px;
    margin-bottom: 16px;
    overflow: hidden;
    border: 2px solid #e2e8f0;
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    min-height: 44px;
    font-size: 16px;
    font-weight: 600;
    color: #2d3748;
    text-align: left;
    cursor: pointer;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: rgba(79, 70, 229, 0.05);
}

.faq-icon {
    width: 24px;
    height: 24px;
    min-width: 24px;
    transition: transform 0.3s ease;
    color: #4F46E5;
}

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

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

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 20px 20px;
}

.faq-answer p {
    font-size: 14px;
    line-height: 1.7;
    color: #4a5568;
}

/* ========== FINAL CTA SECTION ========== */
.final-cta-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    text-align: center;
}

.final-cta-content {
    color: #ffffff;
}

.final-cta-image {
    margin-bottom: 30px;
}

.final-cta-image img {
    max-width: 400px;
    margin: 0 auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
}

.animate-bounce-slow {
    animation: bounceSlow 2s ease-in-out infinite;
}

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

.final-cta-title {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 24px;
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.final-cta-pricing {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin: 30px 0;
}

.final-cta-old-price {
    font-size: 20px;
    text-decoration: line-through;
    opacity: 0.8;
}

.final-cta-new-price {
    font-size: 48px;
    font-weight: 800;
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.btn-final-cta {
    background: #ffffff;
    color: #4F46E5;
    font-size: 18px;
    padding: 20px 48px;
    margin-top: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.btn-final-cta:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

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

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

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

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

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #cbd5e0;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #06B6D4;
}

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

.social-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    transform: translateY(-3px);
}

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

.footer-disclaimer {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 30px;
    text-align: center;
}

.footer-disclaimer p {
    font-size: 12px;
    line-height: 1.7;
    color: #cbd5e0;
}

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

.footer-copyright p {
    font-size: 14px;
    color: #a0aec0;
}

/* ========== SCROLL TO TOP BUTTON ========== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    color: #ffffff;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(79, 70, 229, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 999;
}

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

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(79, 70, 229, 0.5);
}

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

/* ========== PURCHASE NOTIFICATION ========== */
.purchase-notification {
    position: fixed;
    bottom: 30px;
    left: 30px;
    background: #ffffff;
    padding: 16px 20px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    z-index: 998;
    opacity: 0;
    transform: translateY(100px);
    transition: all 0.5s ease;
    max-width: 300px;
}

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

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

.notification-icon {
    font-size: 24px;
}

.notification-text {
    flex: 1;
    font-size: 14px;
}

.notification-name {
    display: block;
    font-weight: 700;
    color: #2d3748;
}

.notification-message {
    color: #4a5568;
}

/* ========== CTA POPUP ========== */
.cta-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: none;
}

.cta-popup.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.popup-content {
    position: relative;
    background: #ffffff;
    border-radius: 20px;
    padding: 40px;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: popupSlide 0.5s ease;
    z-index: 10000;
}

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

.popup-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 36px;
    height: 36px;
    font-size: 28px;
    color: #718096;
    cursor: pointer;
    transition: all 0.3s ease;
    background: #f7fafc;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.popup-close:hover {
    color: #EF4444;
    background: #fee2e2;
    transform: rotate(90deg);
}

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

.popup-title {
    font-size: 28px;
    font-weight: 800;
    color: #2d3748;
    margin-bottom: 16px;
}

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

.popup-offer {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin: 30px 0;
}

.popup-discount {
    font-size: 36px;
    font-weight: 800;
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.popup-price {
    font-size: 24px;
    font-weight: 700;
    color: #2d3748;
}

.btn-popup {
    width: 100%;
    margin-top: 24px;
    font-size: 18px;
}

/* ========== ANIMATIONS ========== */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.6s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Stagger animation delays */
.badge-card:nth-child(1) { transition-delay: 0.1s; }
.badge-card:nth-child(2) { transition-delay: 0.2s; }
.badge-card:nth-child(3) { transition-delay: 0.3s; }
.badge-card:nth-child(4) { transition-delay: 0.4s; }

.review-card:nth-child(1) { transition-delay: 0.1s; }
.review-card:nth-child(2) { transition-delay: 0.2s; }
.review-card:nth-child(3) { transition-delay: 0.3s; }

/* ========== RESPONSIVE - TABLETS (768px) ========== */
@media (min-width: 768px) {
    .container {
        padding: 0 40px;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .section-subtitle {
        font-size: 20px;
    }
    
    /* Navigation */
    .mobile-menu-toggle {
        display: none;
    }
    
    .nav-menu {
        display: flex;
        gap: 10px;
        align-items: center;
    }
    
    /* Hero */
    .hero-grid {
        grid-template-columns: 1fr 1fr;
        gap: 60px;
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .hero-description {
        font-size: 17px;
    }
    
    .btn-hero {
        width: auto;
        padding: 18px 48px;
    }
    
    /* Badges */
    .badges-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    /* Content Grid */
    .content-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .content-text {
        order: 1;
    }
    
    .content-image {
        order: 2;
    }
    
    /* Reviews */
    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Pricing */
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-card-popular {
        grid-column: span 2;
    }
    
    /* Ingredients */
    .ingredients-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Guarantee */
    .guarantee-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .guarantee-image {
        order: 1;
    }
    
    .guarantee-content {
        order: 2;
    }
    
    /* Footer */
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-col {
        text-align: left;
    }
    
    .social-icons {
        justify-content: flex-start;
    }
}

/* ========== RESPONSIVE - DESKTOP (1024px) ========== */
@media (min-width: 1024px) {
    .section-title {
        font-size: 42px;
    }
    
    .hero-title {
        font-size: 52px;
    }
    
    .hero-description {
        font-size: 18px;
    }
    
    /* Badges */
    .badges-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    /* Reviews */
    .reviews-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Pricing */
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .pricing-card-popular {
        grid-column: auto;
    }
    
    /* Ingredients */
    .ingredients-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

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

/* ========== PRINT STYLES ========== */
@media print {
    .header,
    .scroll-top,
    .purchase-notification,
    .cta-popup {
        display: none !important;
    }
}