/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-bg: #1a1a1a;
    --secondary-bg: #2a2a2a;
    --accent-blue: #00a8ff;
    --accent-green: #00d084;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --warning-red: #ff6b6b;
    --warning-orange: #ffa500;
    --border-color: #3a3a3a;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--primary-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-blue);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #0088cc;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    padding: 20px 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

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

.nav-brand h2 {
    color: var(--accent-blue);
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 2px;
}

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

.nav-menu a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: var(--accent-blue);
}

.btn-nav {
    background: var(--accent-blue);
    padding: 10px 25px;
    border-radius: 8px;
    color: var(--text-primary) !important;
}

.btn-nav:hover {
    background: #0088cc;
    transform: translateY(-2px);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 150px 0 100px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(0, 168, 255, 0.1), transparent 50%);
    pointer-events: none;
}

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

.hero-text h1 {
    font-size: 64px;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--accent-blue), #00d084);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 24px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.hero-description {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 30px;
    line-height: 1.8;
}

.hero-price {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
}

.price-label {
    font-size: 18px;
    color: var(--text-secondary);
}

.price-value {
    font-size: 42px;
    font-weight: 700;
    color: var(--accent-green);
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.btn {
    padding: 15px 35px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 16px;
    transition: all 0.3s;
    display: inline-block;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), #0088cc);
    color: var(--text-primary);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 168, 255, 0.4);
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--accent-blue);
    color: var(--accent-blue);
}

.btn-secondary:hover {
    background: var(--accent-blue);
    color: var(--text-primary);
}

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

.product-image {
    max-width: 100%;
    height: auto;
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 20px 40px rgba(0, 168, 255, 0.3));
    animation: float 3s ease-in-out infinite;
}

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

.image-glow {
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 168, 255, 0.3), transparent 70%);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 18px;
    margin-bottom: 50px;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.about-card {
    background: var(--secondary-bg);
    padding: 40px 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
    text-align: center;
}

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 168, 255, 0.2);
    border-color: var(--accent-blue);
}

.card-icon {
    color: var(--accent-blue);
    margin-bottom: 20px;
}

.about-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.about-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* How It Works */
.how-works-section {
    background: var(--secondary-bg);
}

.works-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.work-step {
    text-align: center;
    padding: 30px 20px;
    background: var(--primary-bg);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.work-step:hover {
    transform: translateY(-5px);
    border-color: var(--accent-blue);
}

.step-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--accent-blue);
    margin-bottom: 20px;
}

.work-step h3 {
    font-size: 20px;
    margin-bottom: 15px;
}

.work-step p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Ingredients Section */
.ingredients-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 50px;
}

.ingredient-card {
    background: var(--secondary-bg);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.ingredient-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 168, 255, 0.2);
}

.ingredient-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.ingredient-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.ingredient-card:hover .ingredient-image img {
    transform: scale(1.1);
}

.ingredient-card h3 {
    padding: 20px 25px 10px;
    font-size: 22px;
    color: var(--accent-blue);
}

.ingredient-card p {
    padding: 0 25px 25px;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Usage Section */
.usage-section {
    background: var(--secondary-bg);
}

.usage-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-top: 50px;
}

.usage-card {
    background: var(--primary-bg);
    padding: 30px 20px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.usage-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-blue);
}

.usage-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.usage-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--accent-blue);
}

.usage-card p {
    color: var(--text-secondary);
    font-size: 14px;
}

.usage-timeline {
    margin-top: 60px;
    background: var(--primary-bg);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.usage-timeline h3 {
    font-size: 28px;
    text-align: center;
    margin-bottom: 40px;
}

.timeline {
    display: flex;
    justify-content: space-between;
    gap: 30px;
}

.timeline-item {
    flex: 1;
    text-align: center;
}

.timeline-marker {
    width: 60px;
    height: 60px;
    background: var(--accent-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 20px;
}

.timeline-content h4 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--accent-green);
}

.timeline-content p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Indications Section */
.indications-section {
    background: var(--primary-bg);
}

.indications-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 50px;
}

.indications-column h2 {
    font-size: 32px;
    margin-bottom: 30px;
    color: var(--accent-blue);
}

.check-list,
.cross-list {
    list-style: none;
}

.check-list li,
.cross-list li {
    padding: 15px 0;
    padding-left: 40px;
    position: relative;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.check-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-green);
    font-size: 24px;
    font-weight: 700;
}

.cross-list li::before {
    content: '✕';
    position: absolute;
    left: 0;
    color: var(--warning-red);
    font-size: 24px;
    font-weight: 700;
}

/* FAQ Section */
.faq-section {
    background: var(--secondary-bg);
}

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

.faq-item {
    background: var(--primary-bg);
    margin-bottom: 20px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all 0.3s;
}

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

.faq-question {
    padding: 25px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.faq-question h3 {
    font-size: 18px;
    color: var(--text-primary);
}

.faq-toggle {
    font-size: 28px;
    color: var(--accent-blue);
    transition: transform 0.3s;
}

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

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

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 30px 25px;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Product Info Section */
.product-info-section {
    background: var(--primary-bg);
}

.product-info-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 50px;
    align-items: center;
}

.product-showcase-large {
    text-align: center;
    background: var(--secondary-bg);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.product-showcase-large img {
    max-width: 100%;
    height: auto;
    margin-bottom: 30px;
}

.price-tag-large {
    background: var(--accent-green);
    color: var(--text-primary);
    padding: 20px 40px;
    border-radius: 8px;
    display: inline-block;
}

.price-amount {
    font-size: 42px;
    font-weight: 700;
}

.delivery-info-large {
    background: var(--secondary-bg);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.delivery-info-large h3 {
    font-size: 28px;
    margin-bottom: 30px;
    color: var(--accent-blue);
}

.info-item {
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.info-item strong {
    color: var(--text-primary);
}

.in-stock {
    color: var(--accent-green);
    font-weight: 700;
}

.delivery-info-large .btn-large {
    margin-top: 30px;
}

/* Contact Section */
.contact-section {
    background: var(--secondary-bg);
}

.contact-form-wrapper {
    max-width: 700px;
    margin: 50px auto 0;
}

.contact-form {
    background: var(--primary-bg);
    padding: 50px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 15px;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 16px;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(0, 168, 255, 0.1);
}

.btn-large {
    width: 100%;
    padding: 18px;
    font-size: 18px;
    margin-top: 10px;
}

.form-note {
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 15px;
}

/* Footer */
.footer {
    background: var(--secondary-bg);
    padding: 60px 0 30px;
    border-top: 1px solid var(--border-color);
}

.footer-disclaimer {
    background: rgba(255, 165, 0, 0.1);
    border-left: 4px solid var(--warning-orange);
    padding: 20px 30px;
    margin-bottom: 40px;
    border-radius: 8px;
}

.medical-disclaimer {
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.8;
    margin: 0 0 12px 0;
}

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

.medical-disclaimer strong {
    color: var(--warning-orange);
    font-weight: 600;
}

.medical-disclaimer a {
    color: var(--accent-blue);
    text-decoration: underline;
    transition: color 0.3s;
}

.medical-disclaimer a:hover {
    color: #0088cc;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column h3,
.footer-column h4 {
    color: var(--accent-blue);
    margin-bottom: 20px;
}

.footer-column p {
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.footer-column ul {
    list-style: none;
}

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

.footer-column ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-column ul li a:hover {
    color: var(--accent-blue);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--secondary-bg);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 30px 0;
    }

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

    .hamburger {
        display: flex;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 42px;
    }

    .hero-buttons {
        justify-content: center;
    }

    .about-content,
    .works-grid,
    .ingredients-grid,
    .usage-content {
        grid-template-columns: 1fr;
    }

    .timeline {
        flex-direction: column;
    }

    .indications-grid {
        grid-template-columns: 1fr;
    }

    .product-info-content {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .hero-text h1 {
        font-size: 36px;
    }

    .section-title {
        font-size: 32px;
    }

    .works-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 120px 0 60px;
    }

    .hero-text h1 {
        font-size: 28px;
    }

    .price-value {
        font-size: 32px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .works-grid {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: 30px 20px;
    }
}