/* ========================================
   On A Kloud Restaurant - Stylesheet
   Charcoal + Coral | Clean Minimalist
   ======================================== */

/* CSS Custom Properties */
:root {
    --color-charcoal: #2C2C2C;
    --color-charcoal-light: #3D3D3D;
    --color-charcoal-dark: #1A1A1A;
    --color-coral: #FF6B6B;
    --color-coral-light: #FF8E8E;
    --color-coral-dark: #E85555;
    --color-white: #FFFFFF;
    --color-off-white: #FAFAFA;
    --color-cream: #F5F3F0;
    --color-gray-100: #F7F7F7;
    --color-gray-200: #E8E8E8;
    --color-gray-300: #D1D1D1;
    --color-gray-400: #A0A0A0;
    --color-gray-500: #6B6B6B;
    --color-gray-600: #4A4A4A;
    
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-xxl: 8rem;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    --container-max: 1280px;
    --container-padding: 2rem;
}

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

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

body {
    font-family: var(--font-body);
    font-weight: 300;
    line-height: 1.7;
    color: var(--color-charcoal);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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;
}

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

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

h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
}

h4 {
    font-size: 1rem;
    font-family: var(--font-body);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Section Tag */
.section-tag {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-coral);
    margin-bottom: var(--spacing-sm);
}

/* Section Title */
.section-title {
    margin-bottom: var(--spacing-md);
}

/* Section Subtitle */
.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-500);
    max-width: 600px;
    margin: 0 auto;
}

/* Text Center */
.text-center {
    text-align: center;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: 0;
    transition: all var(--transition-normal);
}

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

.btn-primary:hover {
    background-color: var(--color-coral-dark);
    border-color: var(--color-coral-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.3);
}

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

.btn-outline:hover {
    background-color: var(--color-white);
    color: var(--color-charcoal);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-200);
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-charcoal);
}

.logo-icon {
    display: flex;
    align-items: center;
}

.logo-text {
    font-weight: 500;
}

/* Nav Links */
.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    color: var(--color-gray-600);
    transition: color var(--transition-fast);
}

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

.nav-cta {
    padding: 0.625rem 1.25rem;
    background-color: var(--color-coral);
    color: var(--color-white) !important;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.nav-cta:hover {
    background-color: var(--color-coral-dark);
    transform: translateY(-1px);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-charcoal);
    transition: all var(--transition-normal);
}

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

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

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

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(44, 44, 44, 0.4) 0%,
        rgba(44, 44, 44, 0.6) 100%
    );
    z-index: -1;
}

.hero-content {
    text-align: center;
    color: var(--color-white);
    max-width: 900px;
    padding: 0 var(--container-padding);
    animation: fadeInUp 1s ease forwards;
}

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

.hero-tagline {
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-coral-light);
    margin-bottom: var(--spacing-md);
}

.hero-headline {
    font-size: clamp(2.5rem, 7vw, 5rem);
    font-weight: 400;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.hero-subheadline {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.hero-scroll {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ========================================
   About Section
   ======================================== */
.about {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-white);
}

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

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

.about-text {
    font-size: 1.0625rem;
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-md);
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

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

.feature-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-coral);
    color: var(--color-coral);
}

.feature-item h4 {
    margin-bottom: 0.25rem;
}

.feature-item p {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    height: 600px;
    object-fit: cover;
}

.about-image-accent {
    position: absolute;
    bottom: -30px;
    right: -30px;
    width: 200px;
    height: 200px;
    border: 2px solid var(--color-coral);
    z-index: -1;
}

/* ========================================
   Menu Section
   ======================================== */
.menu {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-cream);
}

.menu-categories {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.menu-cat-btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    color: var(--color-gray-500);
    border: 1px solid var(--color-gray-300);
    transition: all var(--transition-fast);
}

.menu-cat-btn:hover,
.menu-cat-btn.active {
    color: var(--color-coral);
    border-color: var(--color-coral);
    background-color: transparent;
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.menu-item {
    background-color: var(--color-white);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.menu-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.menu-item-image img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.menu-item:hover .menu-item-image img {
    transform: scale(1.05);
}

.menu-item-content {
    padding: var(--spacing-md);
}

.menu-item-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xs);
}

.menu-item-tag {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-coral);
}

.menu-item-desc {
    font-size: 0.9375rem;
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-sm);
}

.menu-item-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-charcoal);
    border-bottom: 1px solid var(--color-coral);
    padding-bottom: 2px;
    transition: all var(--transition-fast);
}

.menu-item-link:hover {
    color: var(--color-coral);
}

/* ========================================
   Gallery Section
   ======================================== */
.gallery {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.gallery-item {
    overflow: hidden;
    aspect-ratio: 3/2;
}

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

.gallery-item:hover img {
    transform: scale(1.05);
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-cream);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.contact-intro {
    font-size: 1.0625rem;
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-lg);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

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

.contact-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-gray-300);
    color: var(--color-coral);
}

.contact-item h4 {
    margin-bottom: 0.25rem;
}

.contact-item p {
    font-size: 0.9375rem;
    color: var(--color-gray-500);
}

.contact-item a {
    color: var(--color-charcoal);
    transition: color var(--transition-fast);
}

.contact-item a:hover {
    color: var(--color-coral);
}

/* Hours */
.hours h4 {
    margin-bottom: var(--spacing-sm);
}

.hours-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem 2rem;
    font-size: 0.9375rem;
    color: var(--color-gray-500);
}

/* Contact Form */
.contact-form-wrapper {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
}

.contact-form h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
}

.form-intro {
    font-size: 0.9375rem;
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--color-charcoal);
}

.form-group .optional {
    font-weight: 300;
    color: var(--color-gray-400);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: var(--color-charcoal);
    background-color: var(--color-gray-100);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-coral);
    background-color: var(--color-white);
}

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

.form-success {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    text-align: center;
    color: var(--color-coral);
}

.form-success svg {
    width: 48px;
    height: 48px;
}

.form-success p {
    font-size: 1rem;
    color: var(--color-gray-600);
}

/* ========================================
   Map Section
   ======================================== */
.map-section {
    height: 400px;
}

.map-section iframe {
    width: 100%;
    height: 100%;
    filter: grayscale(30%);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    padding: var(--spacing-xl) 0 var(--spacing-md);
    background-color: var(--color-charcoal-dark);
    color: var(--color-white);
}

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

.footer-brand p {
    color: var(--color-gray-400);
    font-size: 0.9375rem;
    margin-top: var(--spacing-sm);
    max-width: 300px;
}

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

.footer-links ul,
.footer-contact ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-links a,
.footer-contact a {
    color: var(--color-gray-400);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--color-coral);
}

.footer-bottom {
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-gray-600);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

/* ========================================
   Responsive Styles
   ======================================== */
@media (max-width: 1024px) {
    .about-grid {
        gap: var(--spacing-md);
    }
    
    .about-image img {
        height: 500px;
    }
    
    .contact-grid {
        gap: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1.5rem;
    }
    
    /* Mobile Menu */
    .mobile-menu-btn {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
        border-bottom: 1px solid var(--color-gray-200);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-links a {
        width: 100%;
        text-align: center;
        padding: var(--spacing-sm);
    }
    
    /* Hero */
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-actions .btn {
        width: 100%;
        max-width: 280px;
    }
    
    /* About */
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
    }
    
    .about-image img {
        height: 400px;
    }
    
    .about-image-accent {
        display: none;
    }
    
    /* Menu */
    .menu-categories {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: var(--spacing-sm);
        -webkit-overflow-scrolling: touch;
    }
    
    .menu-cat-btn {
        white-space: nowrap;
    }
    
    /* Gallery */
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Contact */
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form-wrapper {
        padding: var(--spacing-md);
    }
    
    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .hours-grid {
        grid-template-columns: 1fr;
        gap: 0.25rem;
    }
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}