/* =======================================
   Variables & Reset
======================================= */
:root {
    --bg-dark: #fbfbfb; /* Light background */
    --bg-surface: #ffffff; /* White surface */
    --text-primary: #1e293b; /* Dark text */
    --text-muted: #64748b; /* Gray text */
    --accent: #ea580c; /* Bright orange */
    --accent-hover: #c2410c;
    --accent-glow: rgba(234, 88, 12, 0.4);
    --border: rgba(0, 0, 0, 0.08); /* Dark border for light theme */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: 'Montserrat', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Cormorant Garamond', serif;
    font-weight: 400;
    letter-spacing: 1px;
}

.italic {
    font-style: italic;
}

.accent-text {
    color: var(--accent);
}

a {
    color: var(--text-primary);
    text-decoration: none;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* =======================================
   Navbar
======================================= */
.navbar {
    position: fixed;
    top: 0; width: 100%;
    height: 100px;
    background: transparent;
    transition: background 0.4s;
    z-index: 100;
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 3rem;
    border-bottom: 1px solid var(--border);
}

.logo {
    font-family: 'Cormorant Garamond', serif;
    font-size: 2.2rem;
    letter-spacing: 8px;
    color: #fff;
}

.nav-links {
    display: flex;
    gap: 3rem;
    align-items: center;
}

.nav-links a {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: color 0.4s ease;
}

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

.nav-cta {
    border: 1px solid var(--border);
    padding: 0.8rem 2rem;
    transition: all 0.4s !important;
}

.nav-cta:hover {
    border-color: var(--accent);
    background: rgba(234, 88, 12, 0.1);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

.navbar.scrolled .logo,
.navbar.scrolled .nav-links a {
    color: var(--text-primary);
}

.navbar.scrolled .nav-cta {
    border-color: var(--accent);
    color: var(--accent);
}

/* =======================================
   Hero Section
======================================= */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    background-image: url('https://images.unsplash.com/photo-1550547660-d9450f859349?q=80&w=2670&auto=format&fit=crop'); /* Burger/Buffet generic pic */
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.5), rgba(0,0,0,0.8));
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 0 2rem;
}

.eyebrow {
    display: block;
    text-transform: uppercase;
    letter-spacing: 4px;
    font-size: 0.8rem;
    color: var(--accent);
    margin-bottom: 2rem;
}

.hero-title {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 2rem;
    color: #fff;
    text-shadow: 0 4px 10px rgba(0,0,0,0.5);
}

.hero-subtitle {
    font-size: 1.1rem;
    color: #f1f5f9;
    font-weight: 300;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-inline: auto;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 1rem 3rem;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.4s;
    border-radius: 2px;
}

.btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: 0 0 20px var(--accent-glow);
}

.btn-outline {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
    padding: 1rem 3rem;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.4s;
    border-radius: 2px;
    display: inline-block;
}

.btn-outline:hover {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 0 20px var(--accent-glow);
}

.text-center {
    text-align: center;
    margin: 0 auto 1.5rem auto;
}

/* =======================================
   Menu Section
======================================= */
.menu-section {
    padding: 8rem 0;
    background-color: var(--bg-surface);
}

.menu-list {
    max-width: 800px;
    margin: 4rem auto 0 auto;
}

.menu-item {
    padding: 2.5rem 0;
    border-bottom: 1px dashed rgba(0,0,0,0.1);
}

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

.menu-item-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 0.5rem;
}

.menu-item-header h3 {
    font-size: 1.8rem;
    color: var(--text-primary);
    margin: 0;
}

.menu-price {
    font-family: 'Montserrat', sans-serif;
    color: var(--accent);
    font-weight: 600;
    font-size: 1.1rem;
    letter-spacing: 1px;
}

.menu-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 300;
    max-width: 80%;
}

.dietary {
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 600;
    margin-left: 0.5rem;
}

.menu-cta {
    text-align: center;
    margin-top: 4rem;
}

/* =======================================
   Chat Demo Section
======================================= */
.demo-section {
    padding: 8rem 0;
    background-color: var(--bg-dark);
    border-top: 1px solid var(--border);
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-header h2 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1rem;
    max-width: 500px;
    margin: 0 auto;
    font-weight: 300;
}

.chat-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.chat-container::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.chat-header {
    background: rgba(0,0,0,0.02);
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.chat-avatar {
    font-size: 2rem;
}

.chat-info h4 {
    font-size: 1.5rem;
    margin: 0 0 0.2rem 0;
}

.status {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}

.chat-body {
    height: 450px;
    overflow-y: auto;
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.message {
    max-width: 75%;
    padding: 1.2rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 300;
    line-height: 1.6;
    animation: fadeIn 0.5s ease-out forwards;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.message.ai {
    background: var(--bg-dark);
    align-self: flex-start;
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
}

.message.user {
    background: var(--accent);
    color: #fff;
    align-self: flex-end;
}

.chat-input-area {
    padding: 2rem;
    background: rgba(0,0,0,0.02);
    border-top: 1px solid var(--border);
    display: flex;
    gap: 1rem;
}

#chat-input {
    flex: 1;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s;
}

#chat-input:focus {
    outline: none;
    border-bottom-color: var(--accent);
}

#send-btn {
    padding: 0 3rem;
}

/* =======================================
   Footer
======================================= */
footer {
    padding: 5rem 0;
    text-align: center;
    border-top: 1px solid var(--border);
}

.footer-brand h2 {
    font-size: 1.5rem;
    letter-spacing: 8px;
    margin-bottom: 1rem;
}

.copyright {
    color: var(--text-muted);
    font-size: 0.8rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-top: 2rem;
}

/* =======================================
   Typing Indicator
======================================= */
.typing-indicator {
    display: flex;
    gap: 4px;
    align-items: center;
    padding: 1rem 1.5rem !important;
}

.typing-indicator .dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: typingBounce 1.4s infinite;
}

.typing-indicator .dot:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator .dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBounce {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
    30% { transform: translateY(-6px); opacity: 1; }
}