/* ===================================
   REDWOOD MAX - MODERN GRADIENT DESIGN
   Mobile-First Responsive Stylesheet
   ==================================== */

/* === 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: #1f2937;
    background: #ffffff;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

input, select, textarea, button {
    font-size: 16px; /* Prevent zoom on iOS */
    font-family: inherit;
}

/* === CONTAINER === */
.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;
    }
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 28px;
}

h2 {
    font-size: 24px;
}

h3 {
    font-size: 20px;
}

@media (min-width: 768px) {
    h1 { font-size: 36px; }
    h2 { font-size: 30px; }
    h3 { font-size: 24px; }
}

@media (min-width: 1024px) {
    h1 { font-size: 48px; }
    h2 { font-size: 36px; }
    h3 { font-size: 28px; }
}

p {
    margin-bottom: 1rem;
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    min-height: 48px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
}

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

.btn-hero {
    background: linear-gradient(135deg, #4F46E5 0%, #7C3AED 50%, #06B6D4 100%);
    color: #ffffff;
    padding: 18px 40px;
    font-size: 18px;
    box-shadow: 0 8px 30px rgba(79, 70, 229, 0.4);
    animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 8px 30px rgba(79, 70, 229, 0.4);
    }
    50% {
        box-shadow: 0 8px 40px rgba(79, 70, 229, 0.6);
    }
}

.btn-cart {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: #ffffff;
    width: 100%;
    padding: 16px;
    font-size: 18px;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-cart:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.btn-final-cta {
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    color: #ffffff;
    padding: 20px 50px;
    font-size: 20px;
    box-shadow: 0 8px 30px rgba(239, 68, 68, 0.4);
}

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

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

/* === SECTION STYLES === */
section {
    padding: 60px 0;
    position: relative;
}

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

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

.section-title {
    text-align: center;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: #6b7280;
    margin-bottom: 30px;
}

/* === NAVIGATION === */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.navbar {
    padding: 15px 0;
}

@media (min-width: 768px) {
    .navbar {
        padding: 20px 0;
    }
}

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

.logo h2 {
    font-size: 24px;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
}

.logo span {
    font-weight: 800;
}

.nav-menu {
    display: none;
    align-items: center;
    gap: 30px;
}

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

.nav-menu.active {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 70px;
    right: 0;
    width: 100%;
    max-width: 300px;
    background: #ffffff;
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
    padding: 30px;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

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

@media (min-width: 768px) {
    .nav-links {
        flex-direction: row;
        gap: 30px;
    }
}

.nav-link {
    color: #1f2937;
    font-weight: 500;
    font-size: 16px;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    transition: width 0.3s ease;
}

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

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

.nav-btn {
    padding: 10px 25px;
    min-height: 44px;
}

.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    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(8px, -8px);
}

/* === HERO SECTION === */
.hero {
    padding-top: 120px;
    background: linear-gradient(135deg, #EEF2FF 0%, #E0F2FE 100%);
    overflow: hidden;
}

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

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

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

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

.product-image {
    max-width: 300px;
    width: 100%;
    position: relative;
    z-index: 2;
}

@media (min-width: 768px) {
    .product-image {
        max-width: 400px;
    }
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

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

.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.3) 0%, transparent 70%);
    animation: glow-pulse 4s ease-in-out infinite;
    z-index: 1;
}

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

.hero-content {
    flex: 1;
}

.hero-title {
    margin-bottom: 20px;
}

.hero-description {
    font-size: 16px;
    color: #4b5563;
    margin-bottom: 15px;
}

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

/* Fade in animations */
.fade-in {
    animation: fadeIn 1s ease-out;
}

.fade-in-delay-1 {
    animation: fadeIn 1s ease-out 0.2s both;
}

.fade-in-delay-2 {
    animation: fadeIn 1s ease-out 0.4s both;
}

.fade-in-delay-3 {
    animation: fadeIn 1s ease-out 0.6s both;
}

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

/* === WHY CHOOSE US === */
.why-choose {
    background: #ffffff;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-top: 50px;
}

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

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

.feature-card {
    background: linear-gradient(135deg, #ffffff 0%, #F9FAFB 100%);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(79, 70, 229, 0.2);
    border-color: #4F46E5;
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
}

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

.feature-title {
    color: #1f2937;
    margin-bottom: 10px;
}

.feature-description {
    color: #6b7280;
    font-size: 14px;
    line-height: 1.6;
}

/* === WHAT IS SECTION === */
.what-is {
    background: linear-gradient(135deg, #F9FAFB 0%, #EEF2FF 100%);
}

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

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

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

.what-is-text {
    font-size: 16px;
    color: #4b5563;
    line-height: 1.8;
    margin-bottom: 20px;
}

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

.what-is-image img {
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    max-width: 400px;
}

/* === HOW IT WORKS === */
.how-it-works {
    background: #ffffff;
}

.accordion {
    max-width: 900px;
    margin: 50px auto 0;
}

.accordion-item {
    background: #ffffff;
    border-radius: 15px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    border: 2px solid #E5E7EB;
    transition: all 0.3s ease;
}

.accordion-item:hover {
    border-color: #4F46E5;
}

.accordion-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    background: linear-gradient(135deg, #F9FAFB 0%, #EEF2FF 100%);
    border: none;
    cursor: pointer;
    text-align: left;
    min-height: 44px;
}

.accordion-title {
    font-size: 18px;
    font-weight: 600;
    color: #1f2937;
}

@media (max-width: 767px) {
    .accordion-title {
        font-size: 16px;
    }
}

.accordion-icon {
    font-size: 28px;
    font-weight: 300;
    color: #4F46E5;
    transition: transform 0.3s ease;
}

.accordion-item.active .accordion-icon {
    transform: rotate(45deg);
}

.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: 20px 25px;
    color: #4b5563;
    line-height: 1.8;
    margin: 0;
}

/* === REVIEWS === */
.reviews {
    background: linear-gradient(135deg, #EEF2FF 0%, #E0F2FE 100%);
}

.reviews-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-top: 50px;
}

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

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

.review-card {
    background: #ffffff;
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    animation: slideUp 0.6s ease-out;
}

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

.review-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 40px rgba(79, 70, 229, 0.2);
}

.review-image {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid #4F46E5;
}

.review-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.review-rating {
    margin-bottom: 15px;
}

.star {
    color: #FBBF24;
    font-size: 20px;
}

.review-name {
    color: #1f2937;
    font-size: 18px;
    margin-bottom: 5px;
}

.review-location {
    color: #6b7280;
    font-size: 14px;
    margin-bottom: 15px;
}

.review-text {
    color: #4b5563;
    font-size: 15px;
    line-height: 1.6;
    font-style: italic;
}

/* === PRICING === */
.pricing {
    background: #ffffff;
}

.countdown-timer {
    text-align: center;
    margin: 40px 0 50px;
    padding: 30px;
    background: linear-gradient(135deg, #FEF3C7 0%, #FEE2E2 100%);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.timer-label {
    font-size: 18px;
    font-weight: 600;
    color: #991B1B;
    margin-bottom: 15px;
}

@media (min-width: 768px) {
    .timer-label {
        font-size: 22px;
    }
}

.timer-display {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.timer-box {
    background: #ffffff;
    padding: 15px 20px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    min-width: 100px;
}

@media (min-width: 768px) {
    .timer-box {
        padding: 20px 30px;
        min-width: 120px;
    }
}

.timer-value {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: #DC2626;
}

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

.timer-text {
    display: block;
    font-size: 12px;
    color: #6b7280;
    text-transform: uppercase;
    margin-top: 5px;
}

.timer-colon {
    font-size: 32px;
    font-weight: 700;
    color: #DC2626;
}

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

.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-top: 50px;
}

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

.pricing-card {
    background: #ffffff;
    border-radius: 25px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 3px solid #E5E7EB;
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(79, 70, 229, 0.2);
}

.pricing-card-featured {
    border-color: #4F46E5;
    background: linear-gradient(135deg, #EEF2FF 0%, #ffffff 100%);
    transform: scale(1.05);
}

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

.pricing-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 {
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.pricing-title {
    font-size: 24px;
    color: #1f2937;
    margin-bottom: 5px;
}

.pricing-duration {
    color: #6b7280;
    font-size: 14px;
    margin-bottom: 20px;
}

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

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

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

.price-per {
    font-size: 48px;
    font-weight: 700;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-label {
    display: block;
    font-size: 14px;
    color: #6b7280;
}

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

.price-old {
    text-decoration: line-through;
    color: #9CA3AF;
    margin-right: 10px;
}

.price-new {
    color: #10B981;
    font-weight: 700;
    font-size: 28px;
}

.pricing-bonuses {
    margin: 15px 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.bonus-badge {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: #ffffff;
    padding: 6px 15px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
}

.payment-logos {
    margin-top: 20px;
    opacity: 0.7;
}

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

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

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

/* === BONUSES === */
.bonuses {
    background: linear-gradient(135deg, #F9FAFB 0%, #EEF2FF 100%);
}

.bonuses-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-top: 50px;
}

@media (min-width: 768px) {
    .bonuses-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
}

.bonus-card {
    background: #ffffff;
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.bonus-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(79, 70, 229, 0.2);
}

.bonus-image {
    margin-bottom: 20px;
}

.bonus-image img {
    max-width: 250px;
    margin: 0 auto;
    border-radius: 15px;
}

.bonus-title {
    color: #1f2937;
    font-size: 22px;
    margin-bottom: 15px;
}

.bonus-description {
    color: #6b7280;
    font-size: 15px;
    line-height: 1.6;
}

/* === INGREDIENTS === */
.ingredients {
    background: #ffffff;
}

.ingredients-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
    margin-top: 50px;
}

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

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

.ingredient-card {
    background: linear-gradient(135deg, #ffffff 0%, #F9FAFB 100%);
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    border: 2px solid #E5E7EB;
    transition: all 0.3s ease;
}

.ingredient-card:hover {
    border-color: #4F46E5;
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(79, 70, 229, 0.15);
}

.ingredient-name {
    color: #4F46E5;
    font-size: 20px;
    margin-bottom: 12px;
}

.ingredient-description {
    color: #4b5563;
    font-size: 14px;
    line-height: 1.6;
}

/* === SCIENTIFIC EVIDENCE === */
.scientific-evidence {
    background: linear-gradient(135deg, #EEF2FF 0%, #E0F2FE 100%);
}

.evidence-accordion {
    max-width: 900px;
    margin: 50px auto 0;
}

.evidence-item {
    background: #ffffff;
    border-radius: 15px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    border: 2px solid #E5E7EB;
    transition: all 0.3s ease;
}

.evidence-item:hover {
    border-color: #4F46E5;
}

.evidence-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    background: linear-gradient(135deg, #F9FAFB 0%, #EEF2FF 100%);
    border: none;
    cursor: pointer;
    text-align: left;
    min-height: 44px;
}

.evidence-title {
    font-size: 18px;
    font-weight: 600;
    color: #1f2937;
}

@media (max-width: 767px) {
    .evidence-title {
        font-size: 16px;
    }
}

.evidence-icon {
    font-size: 28px;
    font-weight: 300;
    color: #4F46E5;
    transition: transform 0.3s ease;
}

.evidence-item.active .evidence-icon {
    transform: rotate(45deg);
}

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

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

.evidence-content p {
    padding: 20px 25px;
    color: #4b5563;
    line-height: 1.8;
    margin: 0;
}

/* === SCIENTIFICALLY FORMULATED === */
.scientifically-formulated {
    background: #ffffff;
}

.formulation-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-top: 50px;
}

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

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

.formulation-card {
    background: linear-gradient(135deg, #EEF2FF 0%, #E0F2FE 100%);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
}

.formulation-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(79, 70, 229, 0.2);
}

.formulation-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    box-shadow: 0 5px 15px rgba(79, 70, 229, 0.4);
}

.formulation-icon {
    margin: 20px auto;
    color: #4F46E5;
}

.formulation-title {
    color: #1f2937;
    margin-bottom: 15px;
}

.formulation-description {
    color: #4b5563;
    font-size: 15px;
    line-height: 1.6;
}

/* === GUARANTEE === */
.guarantee {
    background: linear-gradient(135deg, #F9FAFB 0%, #EEF2FF 100%);
}

.guarantee-wrapper {
    display: flex;
    flex-direction: column;
    gap: 40px;
    align-items: center;
    margin-top: 50px;
}

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

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

.guarantee-image img {
    max-width: 300px;
}

@media (min-width: 768px) {
    .guarantee-image img {
        max-width: 400px;
    }
}

.guarantee-content {
    flex: 1;
}

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

.guarantee-icon {
    width: 30px;
    height: 30px;
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    flex-shrink: 0;
}

.guarantee-subtitle {
    color: #1f2937;
    font-size: 20px;
    margin-bottom: 10px;
}

.guarantee-text {
    color: #4b5563;
    font-size: 15px;
    line-height: 1.6;
}

/* === BENEFITS === */
.benefits {
    background: #ffffff;
}

.benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
    margin-top: 50px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

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

.benefit-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 20px;
    background: linear-gradient(135deg, #ffffff 0%, #F9FAFB 100%);
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.benefit-item:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(79, 70, 229, 0.15);
}

.benefit-icon {
    width: 30px;
    height: 30px;
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    flex-shrink: 0;
}

.benefit-content {
    flex: 1;
}

.benefit-title {
    color: #1f2937;
    font-size: 18px;
    margin-bottom: 8px;
}

.benefit-description {
    color: #6b7280;
    font-size: 14px;
    line-height: 1.6;
}

/* === FAQ === */
.faq {
    background: linear-gradient(135deg, #EEF2FF 0%, #E0F2FE 100%);
}

.faq-accordion {
    max-width: 900px;
    margin: 50px auto 0;
}

.faq-item {
    background: #ffffff;
    border-radius: 15px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    border: 2px solid #E5E7EB;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: #4F46E5;
}

.faq-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    background: linear-gradient(135deg, #F9FAFB 0%, #EEF2FF 100%);
    border: none;
    cursor: pointer;
    text-align: left;
    min-height: 44px;
}

.faq-question {
    font-size: 18px;
    font-weight: 600;
    color: #1f2937;
    padding-right: 15px;
}

@media (max-width: 767px) {
    .faq-question {
        font-size: 16px;
    }
}

.faq-icon {
    font-size: 28px;
    font-weight: 300;
    color: #4F46E5;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

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

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

.faq-content p {
    padding: 20px 25px;
    color: #4b5563;
    line-height: 1.8;
    margin: 0;
}

/* === FINAL CTA === */
.final-cta {
    background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
    padding: 80px 0;
}

.final-cta-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

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

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

.final-cta-image img {
    max-width: 300px;
}

@media (min-width: 768px) {
    .final-cta-image img {
        max-width: 400px;
    }
}

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

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

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

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

.final-cta-title {
    color: #ffffff;
    font-size: 32px;
    margin-bottom: 30px;
}

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

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

.final-price-old {
    display: block;
    color: #9CA3AF;
    text-decoration: line-through;
    font-size: 18px;
    margin-bottom: 10px;
}

.final-price-new {
    display: block;
    color: #10B981;
    font-size: 42px;
    font-weight: 700;
}

@media (min-width: 768px) {
    .final-price-new {
        font-size: 52px;
    }
}

/* === FOOTER === */
.footer {
    background: #1F2937;
    color: #ffffff;
    padding: 60px 0 30px;
}

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

@media (min-width: 768px) {
    .footer-wrapper {
        grid-template-columns: repeat(3, 1fr);
    }
}

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

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

.footer-title {
    color: #ffffff;
    font-size: 20px;
    margin-bottom: 20px;
}

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

.footer-links a {
    color: #D1D5DB;
    font-size: 15px;
    transition: color 0.3s ease;
}

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

.footer-disclaimer {
    color: #D1D5DB;
    font-size: 13px;
    line-height: 1.6;
}

.social-icons {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 20px;
}

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

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

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

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

.copyright {
    color: #9CA3AF;
    font-size: 14px;
}

/* === SCROLL TO TOP === */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    color: #ffffff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 20px rgba(79, 70, 229, 0.4);
    transition: all 0.3s ease;
    z-index: 999;
}

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

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.5);
}

/* === PURCHASE NOTIFICATION === */
.purchase-notification {
    position: fixed;
    bottom: -100px;
    left: 20px;
    background: #ffffff;
    border-radius: 15px;
    padding: 15px 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    z-index: 998;
    max-width: 320px;
    transition: bottom 0.5s ease;
}

@media (min-width: 768px) {
    .purchase-notification {
        left: 40px;
    }
}

.purchase-notification.show {
    bottom: 20px;
}

@media (min-width: 768px) {
    .purchase-notification.show {
        bottom: 30px;
    }
}

.notification-content {
    display: flex;
    align-items: center;
    gap: 15px;
}

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

.notification-text {
    font-size: 14px;
    color: #1f2937;
    display: flex;
    flex-direction: column;
}

.notification-name {
    font-weight: 600;
    color: #4F46E5;
}

.notification-message {
    color: #6b7280;
    font-size: 13px;
}

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

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}

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

/* === LOADING OPTIMIZATION === */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s ease;
}

img[loading="lazy"].loaded {
    opacity: 1;
}