/* ============================================
   DK Nutrition — Bold Editorial Style
   Forest Green + Off-White Palette
   ============================================ */

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

:root {
    --color-green-dark: #1a3a2a;
    --color-green-mid: #2d5a3f;
    --color-green-light: #3d7a56;
    --color-green-pale: #e8f0ec;
    --color-cream: #f7f4ee;
    --color-cream-dark: #ede8dd;
    --color-white: #fefdfb;
    --color-text: #1a1a18;
    --color-text-light: #4a4a44;
    --color-text-muted: #7a7a72;
    --color-border: #d8d4cc;
    
    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 8rem;
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background-color: var(--color-cream);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ============================================
   Navigation
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    transition: var(--transition);
}

.nav.scrolled {
    background: rgba(26, 58, 42, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: var(--space-sm) 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    text-decoration: none;
}

.nav-logo-mark {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--color-cream);
    letter-spacing: -0.02em;
}

.nav-logo-text {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-cream);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    opacity: 0.8;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: rgba(247, 244, 238, 0.8);
    letter-spacing: 0.04em;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--color-cream);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--color-cream);
}

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

.nav-link--cta {
    background: var(--color-cream);
    color: var(--color-green-dark);
    padding: 0.6rem 1.25rem;
    border-radius: 100px;
    font-weight: 600;
    letter-spacing: 0.02em;
    transition: var(--transition);
}

.nav-link--cta::after {
    display: none;
}

.nav-link--cta:hover {
    background: var(--color-green-light);
    color: var(--color-white);
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
    color: var(--color-cream);
}

.nav-toggle-icon {
    width: 24px;
    height: 24px;
}

/* ============================================
   Hero
   ============================================ */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(26, 58, 42, 0.82) 0%,
        rgba(26, 58, 42, 0.65) 50%,
        rgba(26, 58, 42, 0.45) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    padding-top: 80px;
}

.hero-greeting {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-green-light);
    margin-bottom: var(--space-md);
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 0.3s;
}

.hero-headline {
    font-family: var(--font-serif);
    font-size: clamp(3rem, 8vw, 6.5rem);
    font-weight: 900;
    line-height: 1.05;
    color: var(--color-cream);
    letter-spacing: -0.03em;
    margin-bottom: var(--space-lg);
    max-width: 800px;
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 0.5s;
}

.hero-headline em {
    font-style: italic;
    font-weight: 400;
    color: var(--color-green-pale);
}

.hero-sub {
    font-size: 1.125rem;
    line-height: 1.8;
    color: rgba(247, 244, 238, 0.8);
    max-width: 520px;
    margin-bottom: var(--space-xl);
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 0.7s;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 0.9s;
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    color: rgba(247, 244, 238, 0.6);
    animation: bounce 2s ease infinite;
}

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

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: 1rem 2rem;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    border-radius: 100px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn--primary {
    background: var(--color-cream);
    color: var(--color-green-dark);
    border-color: var(--color-cream);
}

.btn--primary:hover {
    background: var(--color-green-light);
    border-color: var(--color-green-light);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(61, 122, 86, 0.3);
}

.btn--outline {
    background: transparent;
    color: var(--color-cream);
    border-color: rgba(247, 244, 238, 0.5);
}

.btn--outline:hover {
    background: var(--color-cream);
    color: var(--color-green-dark);
    border-color: var(--color-cream);
    transform: translateY(-2px);
}

.btn--full {
    width: 100%;
}

/* ============================================
   Section Shared
   ============================================ */
.section {
    padding: var(--space-3xl) 0;
}

.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-green-light);
    margin-bottom: var(--space-md);
}

.section-label--light {
    color: var(--color-green-pale);
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2.25rem, 5vw, 3.75rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--color-green-dark);
    margin-bottom: var(--space-lg);
}

.section-title--light {
    color: var(--color-cream);
}

.section-sub {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text-light);
    max-width: 560px;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-header .section-sub {
    margin: 0 auto;
}

.lead {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text-light);
    margin-bottom: var(--space-lg);
}

/* ============================================
   About
   ============================================ */
.about {
    background: var(--color-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

.about-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 7/9;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.about-image:hover img {
    transform: scale(1.03);
}

.about-content {
    padding: var(--space-lg) 0;
}

.about-content .lead {
    font-family: var(--font-serif);
    font-size: 1.375rem;
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-green-dark);
    margin-bottom: var(--space-md);
}

.about-content p {
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
}

.about-stats {
    display: flex;
    gap: var(--space-xl);
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 900;
    color: var(--color-green-dark);
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-muted);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

/* ============================================
   Products
   ============================================ */
.products {
    background: var(--color-cream);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.product-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.product-card-image {
    overflow: hidden;
    aspect-ratio: 4/3;
}

.product-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.product-card:hover .product-card-image img {
    transform: scale(1.05);
}

.product-card-content {
    padding: var(--space-lg);
}

.product-card-content h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-green-dark);
    margin-bottom: var(--space-xs);
    letter-spacing: -0.02em;
}

.product-card-content p {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--color-text-light);
}

/* ============================================
   Philosophy
   ============================================ */
.philosophy {
    position: relative;
    padding: var(--space-3xl) 0;
    overflow: hidden;
}

.philosophy-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.philosophy-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.philosophy-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(26, 58, 42, 0.92) 0%,
        rgba(45, 90, 63, 0.88) 100%
    );
}

.philosophy-content {
    position: relative;
    z-index: 1;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
}

.philosophy-item {
    text-align: center;
    padding: var(--space-lg);
}

.philosophy-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--space-md);
    color: var(--color-green-pale);
}

.philosophy-item h3 {
    font-family: var(--font-serif);
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--color-cream);
    margin-bottom: var(--space-sm);
    letter-spacing: -0.02em;
}

.philosophy-item p {
    font-size: 0.9375rem;
    line-height: 1.8;
    color: rgba(247, 244, 238, 0.75);
}

/* ============================================
   Visit
   ============================================ */
.visit {
    background: var(--color-white);
}

.visit-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: start;
}

.visit-content {
    padding: var(--space-lg) 0;
}

.visit-content .lead {
    font-family: var(--font-serif);
    font-size: 1.375rem;
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-green-dark);
    margin-bottom: var(--space-xl);
}

.visit-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.visit-detail {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

.visit-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    color: var(--color-green-light);
    margin-top: 0.15em;
}

.visit-detail strong {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 0.25rem;
}

.visit-detail p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text);
}

.visit-detail a {
    color: var(--color-green-mid);
    transition: var(--transition);
}

.visit-detail a:hover {
    color: var(--color-green-dark);
    text-decoration: underline;
}

.visit-map {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    aspect-ratio: 1;
}

.visit-map iframe {
    width: 100%;
    height: 100%;
}

/* ============================================
   Contact
   ============================================ */
.contact {
    background: var(--color-cream);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

.contact-content .lead {
    font-family: var(--font-serif);
    font-size: 1.375rem;
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-green-dark);
}

.contact-form-wrapper {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
    font-family: var(--font-sans);
    font-size: 1rem;
    padding: 0.875rem 1rem;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-cream);
    color: var(--color-text);
    transition: var(--transition);
    outline: none;
    width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-green-light);
    background: var(--color-white);
    box-shadow: 0 0 0 4px rgba(61, 122, 86, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
}

.form-success {
    display: none;
    text-align: center;
    padding: var(--space-md);
    background: var(--color-green-pale);
    border-radius: var(--radius-sm);
    color: var(--color-green-dark);
    font-weight: 500;
    margin-top: var(--space-sm);
}

.form-success.show {
    display: block;
    animation: fadeUp 0.4s ease;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--color-green-dark);
    color: var(--color-cream);
    padding: var(--space-2xl) 0 var(--space-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    text-decoration: none;
    margin-bottom: var(--space-md);
}

.footer-logo-mark {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 900;
    color: var(--color-cream);
}

.footer-logo-text {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-cream);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    opacity: 0.7;
}

.footer-brand p {
    font-size: 0.9375rem;
    line-height: 1.8;
    color: rgba(247, 244, 238, 0.65);
    max-width: 320px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links strong {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-green-light);
    margin-bottom: 0.25rem;
}

.footer-links a {
    font-size: 0.9375rem;
    color: rgba(247, 244, 238, 0.7);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--color-cream);
    padding-left: 4px;
}

.footer-contact strong {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-green-light);
    margin-bottom: 0.75rem;
}

.footer-contact p {
    font-size: 0.9375rem;
    line-height: 1.8;
    color: rgba(247, 244, 238, 0.65);
    margin-bottom: 0.25rem;
}

.footer-contact a {
    color: rgba(247, 244, 238, 0.65);
    transition: var(--transition);
}

.footer-contact a:hover {
    color: var(--color-cream);
}

.footer-bottom {
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(247, 244, 238, 0.15);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: rgba(247, 244, 238, 0.45);
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-8px);
    }
    60% {
        transform: translateX(-50%) translateY(-4px);
    }
}

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
    .about-grid,
    .visit-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .about-image {
        aspect-ratio: 16/9;
    }

    .philosophy-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .philosophy-item {
        text-align: left;
        display: flex;
        align-items: flex-start;
        gap: var(--space-md);
    }

    .philosophy-icon {
        flex-shrink: 0;
        margin: 0;
    }

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

@media (max-width: 768px) {
    :root {
        --space-3xl: 5rem;
        --space-2xl: 3.5rem;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--color-green-dark);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--space-lg);
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.3);
    }

    .nav-links.open {
        right: 0;
    }

    .nav-toggle {
        display: block;
        z-index: 1001;
    }

    .nav-toggle.active .nav-toggle-icon line:nth-child(1) {
        transform: rotate(45deg);
        transform-origin: center;
    }

    .nav-toggle.active .nav-toggle-icon line:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .nav-toggle-icon line:nth-child(3) {
        transform: rotate(-45deg);
        transform-origin: center;
    }

    .hero-headline {
        font-size: clamp(2.5rem, 10vw, 4rem);
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .about-stats {
        flex-wrap: wrap;
        gap: var(--space-lg);
    }

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

    .hero-actions .btn {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }

    .section {
        padding: var(--space-2xl) 0;
    }

    .contact-form-wrapper {
        padding: var(--space-lg);
    }
}

/* Mobile menu overlay */
.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

.nav-overlay.show {
    display: block;
}