/* === Reset & Base === */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --blue: #D4687A;
    --blue-light: #FDF2F4;
    --blue-dark: #8B3A4A;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-800: #1F2937;
    --gray-900: #111827;
    --white: #FFFFFF;
    --max-width: 960px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--gray-800);
    line-height: 1.6;
    background: var(--white);
}

a {
    color: var(--blue);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

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

/* === Layout === */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* === Header === */
.site-header {
    padding: 16px 0;
    border-bottom: 1px solid var(--gray-100);
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    z-index: 100;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--gray-900);
}

.logo img {
    width: 48px;
    height: 48px;
    border-radius: 10px;
}

.logo span {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

nav {
    display: flex;
    gap: 28px;
}

nav a {
    color: var(--gray-500);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.15s;
}

nav a:hover {
    color: var(--gray-900);
    text-decoration: none;
}

/* === Hero === */
.hero {
    padding: 80px 0 60px;
    text-align: center;
}

.hero h1 {
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--gray-900);
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin-bottom: 16px;
}

.hero h1 .accent {
    color: var(--blue);
}

.hero p {
    font-size: 1.2rem;
    color: var(--gray-500);
    max-width: 540px;
    margin: 0 auto;
}

/* === Sections === */
section {
    padding: 64px 0;
}

.section-label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--blue);
    margin-bottom: 8px;
}

section h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

section p {
    color: var(--gray-600);
    max-width: 600px;
}

/* === About === */
.about {
    background: var(--gray-50);
    border-top: 1px solid var(--gray-100);
    border-bottom: 1px solid var(--gray-100);
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* === Product Card === */
.product-card {
    display: flex;
    gap: 40px;
    align-items: center;
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: 16px;
    padding: 32px;
    margin-top: 32px;
}

.product-image {
    flex: 0 0 340px;
    border-radius: 12px;
    overflow: hidden;
}

.product-image img {
    display: block;
    width: 100%;
    border-radius: 12px;
}

.product-info {
    flex: 1;
}

.product-info h3 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.product-info p {
    color: var(--gray-600);
    margin-bottom: 16px;
}

.badge {
    display: inline-block;
    padding: 6px 14px;
    background: var(--blue-light);
    color: var(--blue);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 20px;
}

/* === Contact === */
.contact {
    background: var(--gray-50);
    border-top: 1px solid var(--gray-100);
}

.contact-form {
    max-width: 480px;
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-form label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-800);
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.contact-form input,
.contact-form textarea {
    padding: 10px 14px;
    border: 1px solid var(--gray-100);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
    background: var(--white);
    transition: border-color 0.15s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--blue);
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    background: var(--blue);
    color: var(--white);
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.15s;
    align-self: flex-start;
}

.btn:hover {
    background: var(--blue-dark);
}

/* === Footer === */
.site-footer {
    padding: 32px 0;
    border-top: 1px solid var(--gray-100);
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 12px;
}

.footer-links a {
    font-size: 0.85rem;
    color: var(--gray-500);
}

.footer-copy {
    font-size: 0.8rem;
    color: var(--gray-400);
}

/* === Legal Pages === */
.legal {
    padding: 48px 0 80px;
}

.legal h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.legal .last-updated {
    font-size: 0.85rem;
    color: var(--gray-400);
    margin-bottom: 32px;
}

.legal h2 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-top: 32px;
    margin-bottom: 8px;
}

.legal p,
.legal ul {
    color: var(--gray-600);
    margin-bottom: 12px;
}

.legal ul {
    padding-left: 24px;
}

.legal li {
    margin-bottom: 6px;
}

/* === Responsive === */
@media (max-width: 768px) {
    .hero {
        padding: 48px 0 40px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1.05rem;
    }

    .product-card {
        flex-direction: column;
        gap: 24px;
        padding: 24px;
    }

    .product-image {
        flex: none;
        width: 100%;
    }

    nav {
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.65rem;
    }

    nav {
        gap: 12px;
        font-size: 0.85rem;
    }

    .logo span {
        font-size: 1.1rem;
    }
}