:root {
    --bg-body: #f9fafc;
    --surface: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --accent: #4f9da6;
    --accent-light: #cbd5e1;
    --accent-hover: #3b7e8a;
    --border: #e2e8f0;
    --shadow-sm: 0 8px 20px rgba(0,0,0,0.03), 0 2px 6px rgba(0,0,0,0.05);
    --shadow-md: 0 12px 28px rgba(0,0,0,0.05), 0 2px 4px rgba(0,0,0,0.02);
    --radius-md: 20px;
    --radius-lg: 28px;
    --transition: all 0.25s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.5;
    font-weight: 400;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.site-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main {
    flex: 1 0 auto;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
}

/* header */
.header {
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
    flex-wrap: wrap;
    gap: 16px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.5rem;
    color: var(--text-primary);
}
.logo img {
    border-radius: 12px;
}
.header-badge {
    font-size: 0.75rem;
    background: #eef2ff;
    padding: 6px 14px;
    border-radius: 40px;
    color: #2c4c5e;
    letter-spacing: 0.3px;
}

/* buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 28px;
    border-radius: 40px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}
.btn-primary {
    background: var(--accent);
    color: white;
    box-shadow: 0 2px 6px rgba(79,157,166,0.2);
}
.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}
.btn-outline {
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
}
.btn-outline:hover {
    background: rgba(79,157,166,0.08);
}
.btn-block {
    width: 100%;
    justify-content: center;
}
.btn-small {
    padding: 6px 16px;
    font-size: 0.85rem;
}

/* hero */
.hero {
    padding: 64px 0 48px;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}
.hero-content h1 {
    font-size: 3.2rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}
.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
}
.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.hero-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    object-fit: cover;
    aspect-ratio: 4/3;
    box-shadow: var(--shadow-md);
}

/* stats */
.stats {
    background: white;
    padding: 48px 0;
    margin: 16px 0;
    border-radius: 48px;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    text-align: center;
    gap: 24px;
}
.stat-number {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--accent);
    display: block;
}
.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* product showcase */
.product-showcase {
    padding: 64px 0;
}
.section-header {
    text-align: center;
    margin-bottom: 48px;
}
.section-header h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 12px;
}
.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.product-card {
    background: var(--surface);
    padding: 32px 24px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border);
}
.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}
.product-icon {
    font-size: 2.4rem;
    color: var(--accent);
    margin-bottom: 20px;
}
.product-card h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}
.price {
    display: inline-block;
    margin-top: 16px;
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--accent);
}

/* features */
.features {
    padding: 48px 0;
    background: white;
    border-radius: 48px;
    margin: 16px 0;
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}
.feature {
    text-align: center;
}
.feature i {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 16px;
}
.feature h3 {
    margin-bottom: 8px;
}

/* how it works */
.how-it-works {
    padding: 64px 0;
}
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}
.step {
    text-align: center;
}
.step-number {
    width: 52px;
    height: 52px;
    background: var(--accent);
    color: white;
    font-weight: 800;
    font-size: 1.8rem;
    border-radius: 60px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

/* specs */
.specs {
    padding: 64px 0;
    background: #ffffff;
    border-radius: 48px;
}
.specs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}
.specs-content h2 {
    margin-bottom: 24px;
}
.specs-content ul {
    list-style: none;
}
.specs-content li {
    margin-bottom: 14px;
    padding-left: 24px;
    position: relative;
}
.specs-content li::before {
    content: "●";
    color: var(--accent);
    position: absolute;
    left: 0;
}
.specs-image img {
    width: 100%;
    border-radius: var(--radius-md);
}

/* gallery */
.gallery {
    padding: 48px 0;
}
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.gallery-grid img {
    width: 100%;
    aspect-ratio: 1/1;
    object-fit: cover;
    border-radius: 20px;
    transition: var(--transition);
}
.gallery-grid img:hover {
    transform: scale(1.02);
}

/* triple card about/mission/goal */
.about-mission-goal {
    padding: 48px 0;
}
.triple-card {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.card {
    background: white;
    padding: 32px 24px;
    border-radius: 32px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(79,157,166,0.15);
}
.card i {
    font-size: 2.4rem;
    color: var(--accent);
    margin-bottom: 20px;
}
.card h3 {
    font-size: 1.6rem;
    margin-bottom: 16px;
}

/* testimonials */
.testimonials {
    background: #ffffff;
    padding: 64px 0;
    border-radius: 48px;
}
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.testimonial {
    background: var(--bg-body);
    padding: 28px;
    border-radius: 28px;
}
.testimonial i.fa-star, .testimonial i.fa-star-half-alt {
    color: #f5b042;
    margin-bottom: 16px;
}
.testimonial p {
    margin: 16px 0;
    font-style: italic;
}

/* faq */
.faq {
    padding: 64px 0;
}
.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px 48px;
}
.faq-item h3 {
    font-weight: 600;
    margin-bottom: 10px;
}

/* order section with gallery vertical */
.order-section {
    padding: 64px 0;
}
.order-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    background: white;
    border-radius: 48px;
    padding: 40px;
    box-shadow: var(--shadow-md);
}
.product-gallery {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.main-image img {
    width: 100%;
    aspect-ratio: 1/1;
    object-fit: cover;
    border-radius: 32px;
    background: #f1f5f9;
}
.thumbnail-list {
    display: flex;
    gap: 12px;
    justify-content: flex-start;
}
.thumb {
    width: 70px;
    height: 70px;
    object-fit: cover;
    border-radius: 16px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: 0.2s;
}
.thumb.active {
    border-color: var(--accent);
}
.order-form-container h2 {
    margin-bottom: 12px;
}
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}
.form-group input, .form-group select {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--border);
    border-radius: 30px;
    font-size: 1rem;
    background: white;
}
.checkbox {
    display: flex;
    align-items: center;
}
.custom-checkbox {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    position: relative;
    padding-left: 32px;
}
.custom-checkbox input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}
.checkmark {
    position: absolute;
    left: 0;
    height: 22px;
    width: 22px;
    background-color: white;
    border: 2px solid var(--accent);
    border-radius: 6px;
}
.custom-checkbox input:checked ~ .checkmark {
    background-color: var(--accent);
}
.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}
.custom-checkbox input:checked ~ .checkmark:after {
    display: block;
    left: 7px;
    top: 2px;
    width: 6px;
    height: 12px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}
/* final cta */
.final-cta {
    padding: 48px 0 80px;
}
.cta-block {
    background: linear-gradient(135deg, #eef5f6 0%, #ffffff 100%);
    border-radius: 48px;
    text-align: center;
    padding: 64px 32px;
}
.cta-block h2 {
    font-size: 2rem;
    margin-bottom: 16px;
}

/* footer */
.footer {
    background: #0f172a;
    color: #cbd5e1;
    margin-top: auto;
    padding: 56px 0 24px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1.5fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}
.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.3rem;
    color: white;
    margin-bottom: 20px;
}
.footer-disclaimer-title {
    font-weight: 600;
    margin: 20px 0 8px;
    color: #e2e8f0;
}
.footer-disclaimer-text {
    font-size: 0.8rem;
    line-height: 1.4;
}
.footer-col h4 {
    color: white;
    margin-bottom: 20px;
    font-weight: 600;
}
.footer-links {
    list-style: none;
}
.footer-links li {
    margin-bottom: 12px;
}
.footer-links a {
    color: #cbd5e1;
    text-decoration: none;
}
.footer-links a:hover {
    color: var(--accent);
}
.thanks-message {
    text-align: center;
    max-width: 700px;
    margin: 80px auto;
    background: white;
    border-radius: 48px;
    padding: 60px 32px;
    box-shadow: var(--shadow-md);
}

.thanks-message i {
    font-size: 4rem;
    color: var(--accent);
    margin-bottom: 24px;
}
.legal-page {
    max-width: 1000px;
    margin: 48px auto;
    background: white;
    border-radius: 48px;
    padding: 48px 56px;
    box-shadow: var(--shadow-md)
}

.legal-page h1 {
    font-size: 2rem;
    margin-bottom: 28px
}

.legal-page p {
    margin-bottom: 1rem
}
.footer-bottom {
    border-top: 1px solid #1e293b;
    padding-top: 24px;
    text-align: center;
    font-size: 0.85rem;
}
footer a {
    color: white;
    text-decoration: none;
}
/* cookie notice */
.cookie-notice {
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    background: #1e293b;
    color: white;
    border-radius: 60px;
    padding: 12px 24px;
    display: none;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    box-shadow: 0 10px 25px -5px rgba(0,0,0,0.2);
}
.cookie-notice.show {
    display: flex;
}
.cookie-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    gap: 20px;
}
.cookie-notice a {
    color: var(--accent);
}
@media (max-width: 1024px) {
    .hero-grid, .specs-grid, .order-wrapper { grid-template-columns: 1fr; }
    .features-grid, .product-grid, .steps-grid, .testimonials-grid, .triple-card, .faq-grid, .stats-grid { grid-template-columns: 1fr; gap: 24px; }
    .gallery-grid { grid-template-columns: repeat(2,1fr); }
    .footer-grid { grid-template-columns: 1fr; }
    .container { padding: 0 20px; }
}