:root {
    --primary: #FF5A00;
    --primary-dark: #E04800;
    --secondary: #FFB020;
    --dark: #121212;
    --dark-surface: #1E1E1E;
    --text: #F3F4F6;
    --text-muted: #9CA3AF;
    --bg: #0D0D0D;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.py-20 { padding-top: 80px; padding-bottom: 80px; }
.mt-5 { margin-top: 20px; }
.mt-10 { margin-top: 40px; }
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-family: var(--font-body);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 4px 14px rgba(255, 90, 0, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 90, 0, 0.4);
}

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

.btn-outline:hover {
    background: var(--text);
    color: var(--bg);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.btn-full {
    width: 100%;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 100;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(13, 13, 13, 0.9);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 900;
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-weight: 500;
    position: relative;
    transition: var(--transition);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

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

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

/* Hero Section */
.hero {
    height: 100vh;
    min-height: 700px;
    position: relative;
    display: flex;
    align-items: center;
    background: url('images/hero_hotpot.png') center/cover no-repeat;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.6) 50%, rgba(0,0,0,0.2) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 600px;
}

.badge {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(255, 90, 0, 0.1);
    color: var(--primary);
    border: 1px solid rgba(255, 90, 0, 0.3);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: 900;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #FFF, #FFB020);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

/* Typography Utilities */
.section-title {
    font-size: 3rem;
    margin-bottom: 20px;
}

.section-title span {
    color: var(--primary);
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
}

.about-image {
    width: 100%;
    height: auto;
    border-radius: 20px;
    transition: var(--transition);
}

.about-image-wrapper:hover .about-image {
    transform: scale(1.05);
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--primary);
    padding: 30px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 150px;
    height: 150px;
    box-shadow: 0 10px 30px rgba(255, 90, 0, 0.3);
    border: 8px solid var(--bg);
}

.experience-badge .number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 900;
    line-height: 1;
}

.experience-badge .text {
    font-size: 0.8rem;
    font-weight: 600;
    text-align: center;
    margin-top: 5px;
}

.features-list {
    margin-top: 40px;
    display: grid;
    gap: 24px;
}

.features-list li {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.feature-icon {
    font-size: 2rem;
    background: var(--dark-surface);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.features-list h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.features-list p {
    color: var(--text-muted);
}

/* Menu Section */
.menu-section {
    background: var(--dark-surface);
}

.menu-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    align-items: start;
}

.menu-gallery-item {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    transition: var(--transition);
    border: 2px solid rgba(255,255,255,0.05);
    background: var(--bg);
}

.menu-gallery-item:hover {
    transform: translateY(-5px) scale(1.02);
    border-color: var(--primary);
    box-shadow: 0 15px 40px rgba(255, 90, 0, 0.3);
}

.menu-gallery-image {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
}

.menu-gallery-item:hover .menu-gallery-image {
    transform: scale(1.01);
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.info-items {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.info-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.info-icon {
    font-size: 1.5rem;
    background: var(--dark-surface);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.info-item h4 {
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.info-item p {
    color: var(--text-muted);
}

.highlight-text {
    color: var(--primary) !important;
    font-weight: 700;
    font-size: 1.2rem;
}

.contact-form-container {
    background: var(--dark-surface);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.05);
}

.contact-form h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

input {
    width: 100%;
    padding: 15px 20px;
    background: var(--bg);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    color: var(--text);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
}

input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(255, 90, 0, 0.2);
}

/* Footer */
.footer {
    background: #000;
    padding: 40px 0;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: 10px;
}

.footer-logo span { color: var(--primary); }

.social-links {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.social-btn {
    padding: 8px 16px;
    background: var(--dark-surface);
    border-radius: 20px;
    font-size: 0.9rem;
    transition: var(--transition);
}

.social-btn:hover {
    background: var(--primary);
    color: white;
}

.copyright {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Logo styles */
.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 50px;
    width: auto;
    border-radius: 50%;
    transition: transform 0.3s ease;
}

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

.footer-logo-img {
    height: 80px;
    width: auto;
    border-radius: 50%;
    margin-bottom: 15px;
}

/* Floating Hotline */
.floating-hotline {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-radius: 50px;
    display: flex;
    align-items: center;
    padding: 10px 20px 10px 10px;
    box-shadow: 0 4px 15px rgba(255, 90, 0, 0.4);
    z-index: 1000;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
    animation: pulse 2s infinite;
}

.floating-hotline:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 90, 0, 0.6);
    color: white;
}

.hotline-icon {
    background: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-right: 12px;
    box-shadow: inset 0 2px 5px rgba(0,0,0,0.1);
}

.hotline-text {
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.2;
}

.hotline-text span {
    font-size: 1.1rem;
    font-weight: 800;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 90, 0, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(255, 90, 0, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(255, 90, 0, 0);
    }
}

/* Animations */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.fade-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.fade-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }

/* Responsive Design */
@media (max-width: 992px) {
    .hero h1 { font-size: 3.5rem; }
    .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .about-image-wrapper { max-width: 600px; margin: 0 auto; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero h1 { font-size: 2.8rem; }
    .hero-buttons { flex-direction: column; }
    .btn-large { width: 100%; }
    .section-title { font-size: 2.2rem; }
    .experience-badge { right: 10px; bottom: 10px; width: 120px; height: 120px; }
    .experience-badge .number { font-size: 1.5rem; }
    .form-row { grid-template-columns: 1fr; }
}