/* ============================================
   Birdies — Restaurant Website Styles
   Clean minimalist · Terracotta + Sand
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    /* Terracotta palette */
    --terracotta-50: #fdf4f0;
    --terracotta-100: #fde6db;
    --terracotta-200: #fad5c5;
    --terracotta-300: #f5b8a0;
    --terracotta-400: #ee9170;
    --terracotta-500: #e06f4e;
    --terracotta-600: #d15538;
    --terracotta-700: #b0432e;
    --terracotta-800: #8d3728;
    --terracotta-900: #732f24;

    /* Sand palette */
    --sand-50: #faf8f5;
    --sand-100: #f5f0e8;
    --sand-200: #ebe0d0;
    --sand-300: #ddcbb5;
    --sand-400: #ccba9a;
    --sand-500: #b8a47e;
    --sand-600: #9e8a64;
    --sand-700: #82704f;
    --sand-800: #685842;
    --sand-900: #554838;

    /* Neutrals */
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #e5e5e5;
    --gray-300: #d4d4d4;
    --gray-400: #a3a3a3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;

    /* Text colors */
    --text-primary: var(--gray-900);
    --text-secondary: var(--gray-600);
    --text-muted: var(--gray-500);
    --text-inverse: #ffffff;

    /* Backgrounds */
    --bg-primary: var(--sand-50);
    --bg-secondary: #ffffff;
    --bg-warm: var(--sand-100);

    /* Typography */
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 8rem;

    /* Borders */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

body {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-primary);
}

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

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* --- Section Eyebrow --- */
.section-eyebrow {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--terracotta-600);
    margin-bottom: var(--space-sm);
}

/* --- Section Title --- */
.section-title {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    padding: 0.85rem 1.75rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--terracotta-600);
    color: var(--text-inverse);
}

.btn-primary:hover {
    background: var(--terracotta-700);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(209, 85, 56, 0.3);
}

.btn-ghost {
    background: transparent;
    color: var(--text-inverse);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.8);
}

.btn-large {
    padding: 1rem 2.25rem;
    font-size: 0.9rem;
}

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

.nav.scrolled {
    background: rgba(250, 248, 245, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 1px 0 var(--sand-200);
    padding: var(--space-sm) 0;
}

.nav-inner {
    max-width: 1200px;
    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: 0.5rem;
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--text-inverse);
    transition: color var(--transition-base);
}

.nav.scrolled .nav-logo {
    color: var(--text-primary);
}

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

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

.nav-links a {
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.85);
    transition: color var(--transition-fast);
    position: relative;
}

.nav.scrolled .nav-links a {
    color: var(--text-secondary);
}

.nav-links a:hover {
    color: var(--terracotta-400);
}

.nav.scrolled .nav-links a:hover {
    color: var(--terracotta-600);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: currentColor;
    transition: width var(--transition-base);
}

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

.nav-cta {
    border: 1px solid rgba(255, 255, 255, 0.4) !important;
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    transition: all var(--transition-base) !important;
}

.nav.scrolled .nav-cta {
    border-color: var(--terracotta-600) !important;
    color: var(--terracotta-600) !important;
}

.nav-cta:hover {
    background: rgba(255, 255, 255, 0.1) !important;
}

.nav.scrolled .nav-cta:hover {
    background: var(--terracotta-50) !important;
}

/* Mobile Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--text-inverse);
    transition: all var(--transition-base);
}

.nav.scrolled .nav-toggle span {
    background: var(--text-primary);
}

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

.hero-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        var(--terracotta-800) 0%,
        var(--terracotta-600) 30%,
        var(--terracotta-500) 50%,
        var(--sand-400) 75%,
        var(--sand-300) 100%
    );
    z-index: 1;
}

.hero-gradient::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(224, 111, 78, 0.4) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(204, 186, 154, 0.3) 0%, transparent 50%),
        radial-gradient(ellipse at 60% 80%, rgba(176, 67, 46, 0.3) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 700px;
    padding: 0 var(--space-lg);
}

.hero-eyebrow {
    font-size: 0.7rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: var(--space-md);
}

.hero-title {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    line-height: 1.1;
    color: var(--text-inverse);
    margin-bottom: var(--space-md);
}

.hero-title-accent {
    font-style: italic;
    font-weight: 400;
}

.hero-subtitle {
    font-size: 1.05rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--space-xl);
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
}

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

.hero-scroll {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    color: rgba(255, 255, 255, 0.5);
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(6px); }
}

/* --- Divider --- */
.divider {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.divider-line {
    height: 1px;
    background: var(--sand-200);
}

/* --- About --- */
.about {
    padding: var(--space-3xl) 0;
}

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

.about-image {
    border-radius: var(--radius-md);
    overflow: hidden;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 4/5;
}

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

.about-text {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    font-size: 0.95rem;
    line-height: 1.8;
}

.about-signature {
    margin-top: var(--space-lg);
}

.signature-stamp {
    width: 60px;
    height: 60px;
    color: var(--terracotta-400);
}

/* --- Menu --- */
.menu {
    padding: var(--space-3xl) 0;
    background: var(--bg-secondary);
}

.menu-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
}

.menu-intro {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.8;
}

.menu-categories {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    max-width: 900px;
    margin: 0 auto;
}

.category-title {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.category-number {
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    color: var(--terracotta-500);
    text-transform: uppercase;
}

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

.menu-item {
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--sand-100);
}

.menu-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.menu-item-header {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: 0.4rem;
}

.menu-item-name {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--text-primary);
}

.menu-item-dots {
    flex: 1;
    height: 1px;
    background: var(--sand-200);
}

.menu-item-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.menu-footer {
    text-align: center;
    margin-top: var(--space-2xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--sand-200);
}

.menu-footer p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.menu-footer a {
    color: var(--terracotta-600);
    border-bottom: 1px solid var(--terracotta-200);
    transition: border-color var(--transition-fast);
}

.menu-footer a:hover {
    border-color: var(--terracotta-600);
}

/* --- Gallery --- */
.gallery {
    padding: var(--space-3xl) 0;
}

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

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: auto auto;
    gap: var(--space-md);
}

.gallery-item {
    border-radius: var(--radius-md);
    overflow: hidden;
}

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

.gallery-item:hover img {
    transform: scale(1.03);
}

.gallery-item--large {
    grid-column: 1 / 7;
    grid-row: 1 / 2;
    aspect-ratio: 3/2;
}

.gallery-item:nth-child(2) {
    grid-column: 7 / 13;
    grid-row: 1 / 2;
    aspect-ratio: 4/3;
}

.gallery-item:nth-child(3) {
    grid-column: 1 / 5;
    grid-row: 2 / 3;
    aspect-ratio: 4/3;
}

.gallery-item:nth-child(4) {
    grid-column: 5 / 9;
    grid-row: 2 / 3;
    aspect-ratio: 4/3;
}

.gallery-item--wide {
    grid-column: 9 / 13;
    grid-row: 2 / 3;
    aspect-ratio: 2/1;
}

/* --- Visit --- */
.visit {
    padding: var(--space-3xl) 0;
    background: var(--bg-warm);
}

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

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

.visit-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin: var(--space-xl) 0;
}

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

.visit-icon {
    width: 20px;
    height: 20px;
    color: var(--terracotta-500);
    flex-shrink: 0;
    margin-top: 2px;
}

.visit-detail h4 {
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.visit-detail p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.visit-detail a {
    color: var(--terracotta-600);
    border-bottom: 1px solid var(--terracotta-200);
    transition: border-color var(--transition-fast);
}

.visit-detail a:hover {
    border-color: var(--terracotta-600);
}

.visit-map {
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 4/3;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}

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

/* --- Footer --- */
.footer {
    background: var(--gray-900);
    color: var(--text-inverse);
    padding: var(--space-2xl) 0 var(--space-lg);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--text-inverse);
    margin-bottom: var(--space-sm);
}

.footer-logo-icon {
    width: 24px;
    height: 24px;
}

.footer-brand p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.7;
    max-width: 280px;
}

.footer h4 {
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: var(--space-sm);
}

.footer-contact p,
.footer-hours p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

.footer-contact a {
    color: var(--terracotta-400);
    transition: color var(--transition-fast);
}

.footer-contact a:hover {
    color: var(--terracotta-300);
}

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

.footer-bottom p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.3);
}

/* --- Mobile Menu --- */
.mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 999;
    background: var(--sand-50);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transform: translateX(100%);
    transition: transform var(--transition-slow);
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-primary);
    padding: 4px;
}

.mobile-menu ul {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
}

.mobile-link {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 400;
    color: var(--text-primary);
    transition: color var(--transition-fast);
}

.mobile-link:hover {
    color: var(--terracotta-600);
}

.mobile-cta {
    margin-top: var(--space-md);
    font-family: var(--font-body);
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--terracotta-600) !important;
    border: 1px solid var(--terracotta-600);
    padding: 0.75rem 2rem;
    border-radius: var(--radius-sm);
}

/* --- Responsive --- */
@media (max-width: 968px) {
    .nav-links {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .about-grid,
    .visit-grid {
        grid-template-columns: 1fr;
    }

    .about-image {
        max-width: 500px;
        margin: 0 auto;
    }

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

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

    .gallery-item--large,
    .gallery-item:nth-child(2),
    .gallery-item:nth-child(3),
    .gallery-item:nth-child(4),
    .gallery-item--wide {
        grid-column: auto;
        grid-row: auto;
        aspect-ratio: 4/3;
    }

    .gallery-item--large {
        grid-column: 1 / 3;
    }

    .gallery-item:nth-child(2) {
        grid-column: 1 / 2;
    }

    .gallery-item:nth-child(3) {
        grid-column: 2 / 3;
    }

    .gallery-item:nth-child(4) {
        grid-column: 1 / 2;
        grid-row: 3 / 4;
    }

    .gallery-item--wide {
        grid-column: 2 / 3;
        grid-row: 3 / 4;
    }

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

    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 640px) {
    :root {
        --space-xl: 3rem;
        --space-2xl: 4rem;
        --space-3xl: 5rem;
    }

    .hero-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }

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

    .btn {
        width: 100%;
        max-width: 260px;
        justify-content: center;
    }

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

    .gallery-item--large,
    .gallery-item:nth-child(2),
    .gallery-item:nth-child(3),
    .gallery-item:nth-child(4),
    .gallery-item--wide {
        grid-column: 1 / -1;
        aspect-ratio: 4/3;
    }

    .gallery-item:nth-child(4) {
        grid-row: auto;
    }

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

    .footer-brand {
        grid-column: auto;
    }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .hero-scroll {
        animation: none;
    }

    .gallery-item img {
        transition: none;
    }
}