/* ============================================
   THE LINK NUTRITION — Editorial Brand Site
   Color Palette: Forest Green + Off-White
   ============================================ */

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

:root {
    --color-green-900: #0d1f15;
    --color-green-800: #1a3c2a;
    --color-green-700: #244f37;
    --color-green-600: #2d6a4f;
    --color-green-500: #40916c;
    --color-green-400: #52b788;
    --color-cream: #f5f0e8;
    --color-cream-light: #faf7f2;
    --color-cream-dark: #e8e0d0;
    --color-gold: #c9a84c;
    --color-gold-light: #d4b85e;
    --color-text: #1a1a1a;
    --color-text-light: #4a4a4a;
    --color-text-muted: #7a7a7a;
    --color-white: #ffffff;

    --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: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;

    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s 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-light);
    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;
}

ul {
    list-style: none;
}

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

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 0.9375rem;
    letter-spacing: 0.02em;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-sm);
    border: 1.5px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn--primary {
    background: var(--color-green-800);
    color: var(--color-white);
    border-color: var(--color-green-800);
}

.btn--primary:hover {
    background: var(--color-green-700);
    border-color: var(--color-green-700);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(26, 60, 42, 0.25);
}

.btn--ghost {
    background: transparent;
    color: var(--color-green-800);
    border-color: var(--color-green-800);
}

.btn--ghost:hover {
    background: var(--color-green-800);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn--small {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
}

.btn--submit {
    background: var(--color-green-800);
    color: var(--color-white);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition);
    flex-shrink: 0;
}

.btn--submit:hover {
    background: var(--color-green-700);
}

.icon {
    width: 1.125rem;
    height: 1.125rem;
    flex-shrink: 0;
}

/* ---- Section Shared ---- */
.section-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-green-600);
    margin-bottom: var(--space-sm);
}

.section-headline {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3.25rem);
    font-weight: 700;
    line-height: 1.15;
    color: var(--color-green-900);
    margin-bottom: var(--space-md);
}

.section-desc {
    font-size: 1.0625rem;
    color: var(--color-text-light);
    max-width: 560px;
    line-height: 1.75;
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(250, 247, 242, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(26, 60, 42, 0.08);
    transition: all var(--transition);
}

.site-header.scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1.25rem;
    padding-bottom: 1.25rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-mark {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-green-800);
    color: var(--color-gold);
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    letter-spacing: 0.02em;
}

.logo-text {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-green-900);
    letter-spacing: -0.01em;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-menu a {
    font-size: 0.9375rem;
    font-weight: 400;
    color: var(--color-text-light);
    transition: color var(--transition);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--color-green-600);
    transition: width var(--transition);
}

.nav-menu a:hover {
    color: var(--color-green-800);
}

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

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-green-800);
    position: relative;
    transition: all var(--transition);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--color-green-800);
    left: 0;
    transition: all var(--transition);
}

.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }

.nav-toggle[aria-expanded="true"] .hamburger {
    background: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* ============================================
   HERO
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 6rem;
    padding-bottom: 4rem;
    background: var(--color-cream-light);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(45, 106, 79, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

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

.hero-content {
    max-width: 560px;
}

.hero-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-green-600);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.hero-eyebrow::before {
    content: '';
    width: 2rem;
    height: 1.5px;
    background: var(--color-gold);
}

.hero-headline {
    font-family: var(--font-serif);
    font-size: clamp(2.25rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    color: var(--color-green-900);
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.hero-headline em {
    font-style: italic;
    color: var(--color-green-600);
}

.hero-sub {
    font-size: 1.125rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
    max-width: 480px;
}

.hero-actions {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

/* Hero Image Stack */
.hero-visual {
    position: relative;
}

.hero-image-stack {
    position: relative;
    padding-left: var(--space-lg);
}

.hero-img {
    border-radius: var(--radius-md);
    object-fit: cover;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
}

.hero-img--main {
    width: 100%;
    max-width: 480px;
}

.hero-img--accent {
    position: absolute;
    bottom: -2rem;
    left: -2rem;
    width: 260px;
    border: 6px solid var(--color-cream-light);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.hero-badge {
    position: absolute;
    top: var(--space-md);
    right: 0;
    background: var(--color-green-800);
    color: var(--color-white);
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: 0 12px 32px rgba(26, 60, 42, 0.3);
}

.hero-badge-year {
    display: block;
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.hero-badge-label {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0.8;
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-muted);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, var(--color-green-600), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.4; transform: scaleY(0.7); }
}

/* ============================================
   ABOUT
   ============================================ */
.about {
    padding: var(--space-3xl) 0;
    background: var(--color-white);
}

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

.about-image img {
    border-radius: var(--radius-lg);
    width: 100%;
    height: 100%;
    object-fit: cover;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
}

.about-content p {
    font-size: 1.0625rem;
    color: var(--color-text-light);
    line-height: 1.85;
    margin-bottom: var(--space-md);
}

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

.stat {
    flex: 1;
}

.stat-number {
    display: block;
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-green-800);
    line-height: 1.2;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    letter-spacing: 0.04em;
}

/* ============================================
   PRODUCTS
   ============================================ */
.products {
    padding: var(--space-3xl) 0;
    background: var(--color-cream-light);
}

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

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

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.product-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
}

.product-card-image img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.product-card:hover .product-card-image img {
    transform: scale(1.04);
}

.product-card-image {
    overflow: hidden;
}

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

.product-card-content h3 {
    font-family: var(--font-serif);
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--color-green-900);
    margin-bottom: 0.5rem;
}

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

/* ============================================
   COMMUNITY
   ============================================ */
.community {
    padding: var(--space-3xl) 0;
    background: var(--color-green-900);
    color: var(--color-white);
}

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

.community-image img {
    border-radius: var(--radius-lg);
    width: 100%;
    height: 100%;
    object-fit: cover;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.community-content .section-eyebrow {
    color: var(--color-gold);
}

.community-content .section-headline {
    color: var(--color-white);
}

.community-content p {
    font-size: 1.0625rem;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.85;
    margin-bottom: var(--space-md);
}

.community-content blockquote {
    margin-top: var(--space-lg);
    padding: var(--space-md) 0 var(--space-md) var(--space-md);
    border-left: 3px solid var(--color-gold);
}

.community-content blockquote p {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-style: italic;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    margin-bottom: 0;
}

/* ============================================
   VISIT
   ============================================ */
.visit {
    padding: var(--space-3xl) 0;
    background: var(--color-white);
}

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

.visit-info {
    padding-right: var(--space-lg);
}

.visit-address {
    font-style: normal;
    margin: var(--space-lg) 0;
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-text-light);
}

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

.visit-detail {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1rem;
    color: var(--color-text-light);
}

.visit-detail a {
    color: var(--color-green-700);
    transition: color var(--transition);
}

.visit-detail a:hover {
    color: var(--color-green-500);
}

.visit-map {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
    aspect-ratio: 4 / 3;
}

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

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    background: var(--color-green-900);
    color: var(--color-white);
    padding: var(--space-2xl) 0 var(--space-lg);
}

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

.footer-brand .logo {
    margin-bottom: var(--space-md);
}

.footer-brand .logo-mark {
    background: var(--color-green-700);
}

.footer-brand .logo-text {
    color: var(--color-white);
}

.footer-brand p {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.75;
    max-width: 280px;
}

.footer-nav h4,
.footer-contact h4,
.footer-newsletter h4 {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: var(--space-md);
}

.footer-nav ul,
.footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.footer-nav a,
.footer-contact a {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.65);
    transition: color var(--transition);
}

.footer-nav a:hover,
.footer-contact a:hover {
    color: var(--color-white);
}

.footer-contact li:not(:has(a)) {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.7;
}

.footer-newsletter p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
    margin-bottom: var(--space-sm);
}

.newsletter-form {
    display: flex;
    gap: 0;
}

.newsletter-form input {
    flex: 1;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-right: none;
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    color: var(--color-white);
    font-family: var(--font-sans);
    font-size: 0.875rem;
    outline: none;
    transition: all var(--transition);
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.newsletter-form input:focus {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--color-green-500);
}

.newsletter-success {
    font-size: 0.875rem;
    color: var(--color-green-400);
    margin-top: 0.5rem;
}

.footer-bottom {
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.4);
}

/* ============================================
   ANIMATIONS
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .hero-grid,
    .about-grid,
    .community-layout,
    .visit-layout {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        order: -1;
        max-width: 560px;
        margin: 0 auto;
    }

    .hero-image-stack {
        padding-left: 0;
    }

    .hero-img--accent {
        left: 1rem;
        bottom: -1.5rem;
    }

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

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

    .about-image {
        max-height: 480px;
    }

    .about-image img {
        height: 100%;
    }
}

@media (max-width: 768px) {
    :root {
        --space-xl: 3rem;
        --space-2xl: 4rem;
        --space-3xl: 5rem;
    }

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

    .nav-menu {
        position: fixed;
        top: 0;
        right: 0;
        width: min(320px, 85vw);
        height: 100vh;
        height: 100dvh;
        background: var(--color-cream-light);
        flex-direction: column;
        justify-content: center;
        align-items: flex-start;
        padding: var(--space-xl);
        gap: 1.5rem;
        transform: translateX(100%);
        transition: transform var(--transition);
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.1);
    }

    .nav-menu.open {
        transform: translateX(0);
    }

    .nav-menu a {
        font-size: 1.125rem;
        color: var(--color-text);
    }

    .nav-menu .btn--small {
        margin-top: 0.5rem;
    }

    .hero {
        min-height: auto;
        padding-top: 5rem;
        padding-bottom: var(--space-xl);
    }

    .hero-headline {
        font-size: clamp(1.75rem, 7vw, 2.75rem);
    }

    .hero-img--accent {
        width: 180px;
        left: 0.5rem;
        bottom: -1rem;
    }

    .hero-badge {
        top: auto;
        bottom: -1rem;
        right: 1rem;
        padding: 0.75rem 1rem;
    }

    .hero-scroll {
        display: none;
    }

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

    .about-stats {
        flex-direction: column;
        gap: var(--space-md);
    }

    .community-layout {
        gap: var(--space-lg);
    }

    .community-content blockquote p {
        font-size: 1.125rem;
    }

    .visit-info {
        padding-right: 0;
    }

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

    .newsletter-form {
        flex-direction: column;
    }

    .newsletter-form input {
        border-right: 1px solid rgba(255, 255, 255, 0.15);
        border-radius: var(--radius-sm);
    }
}

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

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

    .hero-actions .btn {
        justify-content: center;
        width: 100%;
    }

    .hero-img--accent {
        display: none;
    }
}