/* ========================================
   Black Sheep & Co. — Style System
   Classic & Elegant | Terracotta + Sand
   ======================================== */

/* --- CSS Custom Properties --- */
:root {
    /* Palette — Terracotta & Sand */
    --color-terracotta-deep: #8B4513;
    --color-terracotta: #C0623A;
    --color-terracotta-light: #D4845A;
    --color-terracotta-muted: #E8A07A;
    --color-sand: #E8D5C0;
    --color-sand-light: #F2E6D8;
    --color-sand-pale: #F9F3EC;
    --color-cream: #FDF8F3;
    --color-charcoal: #2C2420;
    --color-warm-gray: #5C4F47;
    --color-text: #3D322C;
    --color-text-light: #7A6B63;
    --color-white: #FFFFFF;
    --color-black: #1A1412;

    /* Typography */
    --font-serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
    --font-sans: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;
    --space-2xl: 8rem;

    /* Layout */
    --container-max: 1280px;
    --container-narrow: 800px;
    --header-height: 80px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.6s ease;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(44, 36, 32, 0.08);
    --shadow-md: 0 4px 20px rgba(44, 36, 32, 0.1);
    --shadow-lg: 0 8px 40px rgba(44, 36, 32, 0.12);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background-color: var(--color-cream);
    line-height: 1.7;
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* --- Utility --- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.container--narrow {
    max-width: var(--container-narrow);
}

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

.section-tag {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-terracotta);
    margin-bottom: var(--space-sm);
}

h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-charcoal);
}

h1 { font-size: clamp(2.8rem, 6vw, 5.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); }
h3 { font-size: clamp(1.4rem, 2vw, 1.8rem); }
h4 { font-size: 1rem; font-family: var(--font-sans); font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; }

p {
    color: var(--color-text-light);
    font-size: 1rem;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.9rem 2rem;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    border-radius: 2px;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn--primary {
    background: var(--color-terracotta);
    color: var(--color-white);
    border: 2px solid var(--color-terracotta);
}

.btn--primary:hover {
    background: var(--color-terracotta-deep);
    border-color: var(--color-terracotta-deep);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn--secondary {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.6);
}

.btn--secondary:hover {
    background: var(--color-white);
    color: var(--color-terracotta);
    border-color: var(--color-white);
}

.btn--dark {
    background: var(--color-charcoal);
    color: var(--color-white);
    border: 2px solid var(--color-charcoal);
}

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

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

/* --- Header --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
    background: transparent;
    transition: all var(--transition-base);
}

.site-header.scrolled {
    background: rgba(253, 248, 243, 0.97);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-white);
    letter-spacing: 0.02em;
    transition: color var(--transition-base);
}

.site-header.scrolled .logo {
    color: var(--color-charcoal);
}

.logo-mark {
    color: var(--color-terracotta-light);
    transition: color var(--transition-base);
}

.site-header.scrolled .logo-mark {
    color: var(--color-terracotta);
}

.logo--light {
    color: var(--color-white);
}

.site-footer .logo {
    color: var(--color-white) !important;
}

/* --- Navigation --- */
.main-nav {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.main-nav a {
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.85);
    position: relative;
    padding: 0.25rem 0;
    transition: color var(--transition-fast);
}

.site-header.scrolled .main-nav a {
    color: var(--color-warm-gray);
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--color-terracotta);
    transition: width var(--transition-base);
}

.main-nav a:hover::after,
.main-nav a.active::after {
    width: 100%;
}

.main-nav a:hover {
    color: var(--color-white);
}

.site-header.scrolled .main-nav a:hover {
    color: var(--color-terracotta);
}

.main-nav .btn {
    padding: 0.6rem 1.4rem;
    font-size: 0.72rem;
}

/* --- Mobile Nav Toggle --- */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 0.5rem;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: all var(--transition-base);
    transform-origin: center;
}

.site-header.scrolled .nav-toggle span {
    background: var(--color-charcoal);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

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

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

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.05);
    animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
    from { transform: scale(1.05); }
    to { transform: scale(1.12); }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(26, 20, 18, 0.45) 0%,
        rgba(26, 20, 18, 0.55) 50%,
        rgba(26, 20, 18, 0.7) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    padding: 0 var(--space-md);
}

.hero-tagline {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-terracotta-muted);
    margin-bottom: var(--space-md);
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 0.3s;
}

.hero h1 {
    color: var(--color-white);
    margin-bottom: var(--space-md);
    line-height: 1.05;
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 0.5s;
}

.hero-desc {
    font-family: var(--font-serif);
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    font-style: italic;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-lg);
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 0.7s;
}

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

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

.about-image {
    position: relative;
    overflow: hidden;
    border-radius: 4px;
}

.about-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.about-image::after {
    content: '';
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 200px;
    height: 200px;
    border: 2px solid var(--color-terracotta-muted);
    border-radius: 4px;
    z-index: -1;
}

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

.about-content h2 {
    margin-bottom: var(--space-md);
}

.about-content p {
    margin-bottom: var(--space-sm);
    line-height: 1.8;
}

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

.stat {
    text-align: left;
}

.stat-number {
    display: block;
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--color-terracotta);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-family: var(--font-sans);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-light);
}

/* --- Collection --- */
.collection {
    background: var(--color-sand-pale);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-lg);
}

.section-header h2 {
    margin-bottom: var(--space-sm);
}

.section-header p {
    font-size: 1.05rem;
}

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

.collection-card {
    display: block;
    border-radius: 4px;
    overflow: hidden;
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.collection-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.card-image {
    position: relative;
    overflow: hidden;
    height: 380px;
}

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

.collection-card:hover .card-image img {
    transform: scale(1.06);
}

.card-overlay {
    position: absolute;
    top: var(--space-sm);
    left: var(--space-sm);
}

.card-tag {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background: var(--color-terracotta);
    color: var(--color-white);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    border-radius: 2px;
}

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

.card-content h3 {
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.card-content p {
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: var(--space-sm);
}

.card-link {
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--color-terracotta);
    transition: all var(--transition-fast);
}

.card-link:hover {
    color: var(--color-terracotta-deep);
    letter-spacing: 0.15em;
}

/* --- Philosophy --- */
.philosophy {
    background: var(--color-charcoal);
    padding: var(--space-2xl) 0;
    position: relative;
    overflow: hidden;
}

.philosophy::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    border: 1px solid rgba(192, 98, 58, 0.15);
    border-radius: 50%;
}

.philosophy::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    border: 1px solid rgba(192, 98, 58, 0.1);
    border-radius: 50%;
}

.philosophy-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.philosophy .section-tag {
    color: var(--color-terracotta-muted);
}

.philosophy h2 {
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.philosophy p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.1rem;
    line-height: 1.9;
}

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

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

.visit-info {
    padding: var(--space-md) 0;
}

.visit-info h2 {
    margin-bottom: var(--space-sm);
}

.visit-info > p {
    margin-bottom: var(--space-lg);
    line-height: 1.8;
}

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

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

.detail-item svg {
    flex-shrink: 0;
    color: var(--color-terracotta);
    margin-top: 0.15rem;
}

.detail-item strong {
    display: block;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-charcoal);
    margin-bottom: 0.25rem;
}

.detail-item p {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--color-text-light);
}

.detail-item a {
    color: var(--color-terracotta);
}

.detail-item a:hover {
    color: var(--color-terracotta-deep);
    text-decoration: underline;
}

.visit-map {
    position: relative;
    border-radius: 4px;
    overflow: hidden;
    height: 100%;
    min-height: 500px;
}

.visit-map img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 500px;
}

/* --- Contact --- */
.contact {
    background: var(--color-sand-pale);
}

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

.contact-content h2 {
    margin-bottom: var(--space-sm);
}

.contact-content p {
    line-height: 1.8;
}

.contact-form {
    background: var(--color-white);
    padding: var(--space-lg);
    border-radius: 4px;
    box-shadow: var(--shadow-md);
}

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

.form-group {
    margin-bottom: var(--space-sm);
}

.form-group label {
    display: block;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-warm-gray);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    color: var(--color-text);
    background: var(--color-sand-pale);
    border: 1.5px solid var(--color-sand);
    border-radius: 2px;
    transition: all var(--transition-fast);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-terracotta);
    background: var(--color-white);
    box-shadow: 0 0 0 3px rgba(192, 98, 58, 0.1);
}

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

.form-success {
    display: none;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    margin-top: var(--space-sm);
    background: #E8F5E9;
    border: 1px solid #A5D6A7;
    border-radius: 2px;
    color: #2E7D32;
    font-size: 0.9rem;
}

.form-success svg {
    flex-shrink: 0;
}

/* --- Footer --- */
.site-footer {
    background: var(--color-charcoal);
    color: rgba(255, 255, 255, 0.7);
    padding: var(--space-xl) 0 var(--space-md);
}

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

.footer-brand p {
    margin-top: var(--space-sm);
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.7;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-links h4 {
    color: var(--color-white);
    margin-bottom: var(--space-sm);
}

.footer-links a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-terracotta-muted);
    padding-left: 0.25rem;
}

.footer-contact h4 {
    color: var(--color-white);
    margin-bottom: var(--space-sm);
}

.footer-contact p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.7;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.6);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-md);
}

.footer-bottom p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.35);
    text-align: center;
}

/* --- Scroll Animations --- */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.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; }

/* --- Responsive --- */
@media (max-width: 1024px) {
    .collection-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .collection-card:last-child {
        grid-column: span 2;
    }

    .collection-card:last-child .card-image {
        height: 280px;
    }
}

@media (max-width: 900px) {
    .about-grid,
    .visit-grid,
    .contact-inner {
        grid-template-columns: 1fr;
    }

    .about-image {
        order: -1;
    }

    .about-image img {
        height: 350px;
    }

    .about-image::after {
        display: none;
    }

    .visit-map {
        min-height: 350px;
    }

    .visit-map img {
        min-height: 350px;
    }

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

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }

    .nav-toggle {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--color-cream);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--space-md);
        transition: right var(--transition-base);
        box-shadow: var(--shadow-lg);
    }

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

    .main-nav a {
        color: var(--color-charcoal) !important;
        font-size: 0.9rem;
    }

    .main-nav a:hover {
        color: var(--color-terracotta) !important;
    }

    .hero {
        min-height: 600px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .hero-actions .btn {
        width: 100%;
        max-width: 280px;
    }

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

    .collection-card:last-child {
        grid-column: span 1;
    }

    .collection-card:last-child .card-image {
        height: 300px;
    }

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

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

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

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

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

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

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

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

    .stat {
        flex: 1;
        min-width: 80px;
    }
}

/* --- Mobile overlay --- */
.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(26, 20, 18, 0.5);
    z-index: 999;
}

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