/* ============================================
   VELVET BEAN COFFEE CO. - Design System
   Terracotta Studio Palette + Editorial Typography
   ============================================ */

/* CSS Variables - Terracotta Studio Palette */
:root {
    /* Primary Colors */
    --color-terracotta: #B5563E;
    --color-terracotta-light: #D4896A;
    --color-cream: #F2E6D9;
    --color-espresso: #3D2B1F;
    
    /* Extended Palette */
    --color-warm-white: #FDF9F5;
    --color-sand: #E8DCC8;
    --color-clay: #A67C52;
    --color-charcoal: #2C2420;
    
    /* Typography */
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'DM Sans', -apple-system, sans-serif;
    
    /* Font Weights */
    --weight-regular: 400;
    --weight-medium: 500;
    --weight-semibold: 600;
    --weight-bold: 700;
    
    /* Spacing Scale */
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(61, 43, 31, 0.05);
    --shadow-md: 0 4px 12px rgba(61, 43, 31, 0.08);
    --shadow-lg: 0 8px 24px rgba(61, 43, 31, 0.12);
}

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

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

body {
    font-family: var(--font-body);
    font-weight: var(--weight-regular);
    line-height: 1.6;
    color: var(--color-espresso);
    background-color: var(--color-warm-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);
}

ul {
    list-style: none;
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    transition: background-color var(--transition-base), 
                box-shadow var(--transition-base),
                padding var(--transition-base);
}

.nav.scrolled {
    background-color: rgba(253, 249, 245, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    padding: var(--space-sm) 0;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: var(--weight-semibold);
    color: var(--color-espresso);
}

.logo-icon {
    font-size: 1.75rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: var(--weight-medium);
    color: var(--color-espresso);
    position: relative;
    padding: var(--space-xs) 0;
}

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

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

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

/* Mobile Nav Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-espresso);
    transition: transform var(--transition-base), opacity var(--transition-base);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    padding: calc(var(--space-5xl) + 60px) var(--space-xl) var(--space-4xl);
    max-width: 1400px;
    margin: 0 auto;
    gap: var(--space-3xl);
    position: relative;
}

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

.hero-tagline {
    font-family: var(--font-display);
    font-size: 1rem;
    font-style: italic;
    color: var(--color-terracotta);
    margin-bottom: var(--space-md);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: var(--weight-regular);
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    color: var(--color-espresso);
}

.hero-title-line {
    display: block;
}

.hero-title-accent {
    color: var(--color-terracotta);
    font-style: italic;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-clay);
    margin-bottom: var(--space-xl);
    max-width: 440px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

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

.hero-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(181, 86, 62, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-clay);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-clay), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: var(--weight-semibold);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

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

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

.btn-secondary {
    background-color: transparent;
    color: var(--color-espresso);
    border-color: var(--color-espresso);
}

.btn-secondary:hover {
    background-color: var(--color-espresso);
    color: var(--color-warm-white);
}

/* ============================================
   FEATURES SECTION
   ============================================ */
.features {
    background-color: var(--color-cream);
    padding: var(--space-4xl) var(--space-xl);
}

.features-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2xl);
}

.feature-item {
    text-align: center;
    padding: var(--space-xl);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
    display: block;
}

.feature-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: var(--weight-semibold);
    color: var(--color-espresso);
    margin-bottom: var(--space-sm);
}

.feature-text {
    color: var(--color-clay);
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-3xl);
}

.section-tag {
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-style: italic;
    color: var(--color-terracotta);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    display: block;
    margin-bottom: var(--space-sm);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: var(--weight-regular);
    color: var(--color-espresso);
    margin-bottom: var(--space-md);
}

.section-subtitle {
    color: var(--color-clay);
    font-size: 1.125rem;
    line-height: 1.7;
}

/* ============================================
   MENU SECTION
   ============================================ */
.menu {
    padding: var(--space-5xl) var(--space-xl);
    max-width: 1400px;
    margin: 0 auto;
}

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

.menu-category {
    background-color: var(--color-warm-white);
    border: 1px solid var(--color-sand);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
}

.menu-category-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: var(--weight-semibold);
    color: var(--color-espresso);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 2px solid var(--color-terracotta);
}

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

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

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

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

.menu-item-name {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: var(--weight-semibold);
    color: var(--color-espresso);
}

.menu-item-price {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: var(--weight-semibold);
    color: var(--color-terracotta);
}

.menu-item-desc {
    font-size: 0.875rem;
    color: var(--color-clay);
    line-height: 1.6;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    padding: var(--space-5xl) 0;
    background-color: var(--color-cream);
}

.about-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.about-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

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

.about-content {
    max-width: 520px;
}

.about-content .section-tag {
    text-align: left;
}

.about-content .section-title {
    text-align: left;
}

.about-text {
    color: var(--color-clay);
    margin-bottom: var(--space-md);
    line-height: 1.8;
}

.about-content .btn {
    margin-top: var(--space-md);
}

/* ============================================
   VISIT SECTION
   ============================================ */
.visit {
    padding: var(--space-5xl) 0;
}

.visit-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.visit-info {
    max-width: 480px;
}

.visit-info .section-tag {
    text-align: left;
}

.visit-info .section-title {
    text-align: left;
    margin-bottom: var(--space-xl);
}

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

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

.visit-detail-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.visit-detail-content h4 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: var(--weight-semibold);
    color: var(--color-espresso);
    margin-bottom: var(--space-xs);
}

.visit-detail-content p {
    color: var(--color-clay);
    line-height: 1.7;
}

.visit-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.visit-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 4/3;
}

/* ============================================
   NEWSLETTER
   ============================================ */
.newsletter {
    background-color: var(--color-espresso);
    padding: var(--space-4xl) var(--space-xl);
    text-align: center;
}

.newsletter-content {
    max-width: 560px;
    margin: 0 auto;
}

.newsletter-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: var(--weight-regular);
    color: var(--color-warm-white);
    margin-bottom: var(--space-md);
}

.newsletter-text {
    color: var(--color-sand);
    margin-bottom: var(--space-xl);
    font-size: 1.0625rem;
}

.newsletter-form {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.newsletter-input {
    flex: 1;
    padding: var(--space-md) var(--space-lg);
    font-family: var(--font-body);
    font-size: 1rem;
    border: 2px solid var(--color-clay);
    border-radius: var(--radius-md);
    background-color: transparent;
    color: var(--color-warm-white);
    outline: none;
    transition: border-color var(--transition-fast);
}

.newsletter-input::placeholder {
    color: var(--color-clay);
}

.newsletter-input:focus {
    border-color: var(--color-terracotta-light);
}

.newsletter-form .btn-primary {
    background-color: var(--color-terracotta);
    border-color: var(--color-terracotta);
    white-space: nowrap;
}

.newsletter-form .btn-primary:hover {
    background-color: var(--color-terracotta-light);
    border-color: var(--color-terracotta-light);
}

.newsletter-note {
    font-size: 0.8125rem;
    color: var(--color-clay);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background-color: var(--color-charcoal);
    color: var(--color-sand);
    padding: var(--space-3xl) var(--space-xl) var(--space-xl);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-brand .logo {
    color: var(--color-warm-white);
    margin-bottom: var(--space-sm);
}

.footer-tagline {
    font-style: italic;
    color: var(--color-clay);
}

.footer-links {
    display: flex;
    gap: var(--space-3xl);
}

.footer-column h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: var(--weight-semibold);
    color: var(--color-warm-white);
    margin-bottom: var(--space-md);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-column a {
    color: var(--color-sand);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--color-terracotta-light);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(232, 220, 200, 0.2);
    text-align: center;
}

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

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: calc(var(--space-4xl) + 60px);
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-image {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .hero-scroll {
        display: none;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .menu-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-container,
    .visit-container {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .about-image,
    .visit-image {
        max-width: 600px;
        margin: 0 auto;
    }
    
    .about-content,
    .visit-info {
        max-width: 100%;
        text-align: center;
    }
    
    .about-content .section-tag,
    .about-content .section-title,
    .visit-info .section-tag,
    .visit-info .section-title {
        text-align: center;
    }
    
    .visit-details {
        align-items: center;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--color-warm-white);
        flex-direction: column;
        padding: calc(var(--space-4xl) + 20px) var(--space-xl);
        gap: var(--space-lg);
        transition: right var(--transition-base);
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        font-size: 1.25rem;
    }
    
    .hero {
        padding-top: calc(var(--space-3xl) + 60px);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .menu-grid {
        grid-template-columns: 1fr;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .footer-container {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--space-xl);
        align-items: center;
    }
}

@media (max-width: 480px) {
    :root {
        --space-xl: 1.5rem;
        --space-2xl: 2rem;
        --space-3xl: 2.5rem;
        --space-4xl: 3rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .btn {
        width: 100%;
    }
    
    .hero-cta {
        width: 100%;
    }
    
    .menu-category {
        padding: var(--space-lg);
    }
}

/* ============================================
   ANIMATIONS & INTERACTIONS
   ============================================ */
/* Fade in on scroll */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Stagger children */
.stagger-children > * {
    opacity: 0;
    transform: translateY(20px);
}

.stagger-children.visible > * {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0.1s; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.2s; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.3s; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.4s; }

/* Image hover effect */
.about-image,
.visit-image,
.hero-image {
    transition: transform var(--transition-slow);
}

.about-image:hover,
.visit-image:hover {
    transform: scale(1.02);
}

/* Focus states for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible {
    outline: 2px solid var(--color-terracotta);
    outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}