/*
Restaurant Booking Bot - Main Stylesheet
Developer: Molla Samser (RSK World)
Designer & Tester: Rima Khatun
Website: https://rskworld.in
Year: 2026
*/

:root {
    --primary: #ffcc00;
    --secondary: #222;
    --bg-dark: #121212;
    --text-light: #f4f4f4;
    --accent: #ff9900;
    --glass: rgba(255, 255, 255, 0.05);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

/* Header & Nav */
header {
    padding: 2rem 5%;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: rgba(18, 18, 18, 0.8);
    backdrop-filter: blur(10px);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-light);
}

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

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

nav ul li a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

nav ul li a:hover {
    color: var(--primary);
}

.btn-demo {
    background: var(--primary);
    color: var(--secondary) !important;
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(255, 204, 0, 0.3);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5%;
    background: radial-gradient(circle at 10% 20%, rgba(255, 204, 0, 0.05) 0%, transparent 40%);
}

.hero-content {
    max-width: 600px;
}

.hero-content h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-content h1 span {
    color: var(--primary);
}

.hero-content p {
    font-size: 1.2rem;
    opacity: 0.8;
    margin-bottom: 2rem;
}

.hero-btns {
    display: flex;
    gap: 1.5rem;
}

.btn-primary {
    background: var(--primary);
    color: var(--secondary);
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 800;
    transition: var(--transition);
}

.btn-primary:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(255, 204, 0, 0.4);
}

.btn-secondary {
    border: 2px solid var(--primary);
    color: var(--primary);
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 800;
    transition: var(--transition);
}

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

.hero-visual img {
    max-width: 500px;
    filter: drop-shadow(0 0 30px rgba(255, 204, 0, 0.2));
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* Features */
.features {
    padding: 5rem 5%;
    text-align: center;
}

.features h2 {
    font-size: 3rem;
    margin-bottom: 3rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--glass);
    padding: 3rem 2rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.feature-card:hover {
    transform: scale(1.05);
    background: rgba(255, 255, 255, 0.1);
}

.feature-card i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
}

/* Footer */
footer {
    padding: 3rem 5%;
    border-top: 1px solid var(--glass);
    margin-top: 5rem;
}

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

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--text-light);
    font-size: 1.5rem;
    transition: var(--transition);
}

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