:root {
    --primary: #10b981;
    --primary-dark: #059669;
    --secondary: #0ea5e9;
    --secondary-dark: #0284c7;
    --dark: #0f172a;
    --light: #f8fafc;
    --gray: #64748b;
    --border: #e2e8f0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    scroll-behavior: smooth;
}

body {
    background-color: var(--light);
    color: var(--dark);
    line-height: 1.6;
}

/* Announcement Banner */
.live-banner {
    background: linear-gradient(90deg, #0f172a, #1e293b, #0f172a);
    color: #fff;
    overflow: hidden;
    position: relative;
    padding: 10px 0;
    font-size: 0.9rem;
    font-weight: 600;
    border-bottom: 2px solid var(--primary);
}

.marquee-container {
    display: flex;
    white-space: nowrap;
    animation: marquee 25s linear infinite;
}

.marquee-container span {
    padding-right: 50px;
}

@keyframes marquee {
    0% { transform: translate3d(0, 0, 0); }
    100% { transform: translate3d(-50%, 0, 0); }
}

/* Header & Navigation */
header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
}

.logo-block {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-placeholder {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 1.2rem;
    border: 2px solid white;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.logo-text h1 {
    font-size: 1.4rem;
    color: var(--dark);
    font-weight: 800;
    letter-spacing: -0.5px;
}

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

nav ul {
    display: flex;
    list-style: none;
    gap: 20px;
}

nav a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.3s;
}

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

/* Hero Section */
.hero {
    background: radial-gradient(circle at top right, #e0f2fe, #f0fdf4, #ffffff);
    padding: 80px 20px;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h2 {
    font-size: 2.8rem;
    margin-bottom: 20px;
    color: var(--dark);
}

.hero p {
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
}

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

/* Main Grid Container */
.main-container {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

.unit-section {
    background: #fff;
    border-radius: 16px;
    padding: 40px;
    margin-bottom: 50px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.03);
    border: 1px solid var(--border);
}

.unit-title {
    font-size: 2rem;
    margin-bottom: 15px;
    position: relative;
    padding-bottom: 10px;
}

.nhfs-title { color: var(--primary-dark); border-bottom: 3px solid var(--primary); }
.nais-title { color: var(--secondary-dark); border-bottom: 3px solid var(--secondary); }

.unit-desc {
    font-size: 1.1rem;
    color: var(--gray);
    margin-bottom: 30px;
}

/* Menu Layout */
.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 30px;
}

.menu-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.3s;
}

.menu-card:hover {
    transform: translateY(-5px);
}

.menu-info h4 {
    font-size: 1.15rem;
    margin-bottom: 8px;
}

.menu-tag {
    display: inline-block;
    padding: 2px 8px;
    font-size: 0.75rem;
    font-weight: bold;
    border-radius: 4px;
    margin-bottom: 10px;
}

.tag-veg { background-color: #d1fae5; color: #065f46; }
.tag-nonveg { background-color: #fee2e2; color: #991b1b; }
.tag-snack { background-color: #fef3c7; color: #92400e; }

.menu-desc {
    font-size: 0.9rem;
    color: var(--gray);
    margin-bottom: 15px;
}

.menu-price {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--dark);
    margin-bottom: 15px;
}

.quantity-control {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: auto;
}

.quantity-control input {
    width: 50px;
    padding: 6px;
    border: 1px solid var(--border);
    border-radius: 6px;
    text-align: center;
}

/* Cart Panel */
.cart-panel {
    background: #f1f5f9;
    border-radius: 12px;
    padding: 25px;
    margin-top: 30px;
    border: 1px dashed var(--gray);
}

.cart-title {
    font-size: 1.3rem;
    margin-bottom: 15px;
    display: flex;
    justify-content: space-between;
}

.cart-items {
    margin-bottom: 15px;
}

.cart-item-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
}

.cart-total {
    font-size: 1.2rem;
    font-weight: bold;
    text-align: right;
    margin-bottom: 20px;
}

.checkout-options {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
    margin: 20px 0;
}

.schedule-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

.schedule-table th, .schedule-table td {
    padding: 12px 15px;
    border: 1px solid var(--border);
    text-align: left;
}

.schedule-table th {
    background-color: var(--dark);
    color: white;
}

.schedule-table tr:nth-child(even) {
    background-color: #f8fafc;
}

/* Forms layout */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media(max-width: 768px) {
    .form-grid { grid-template-columns: 1fr; }
}

.form-group {
    margin-bottom: 15px;
    display: flex;
    flex-direction: column;
}

.form-group-full {
    grid-column: 1 / -1;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 5px;
    font-size: 0.9rem;
}

.form-group input, .form-group select, .form-group textarea {
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    outline: none;
    font-size: 0.95rem;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--secondary);
}

/* Modals / Popups */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    padding: 20px;
}

.popup-box {
    background: white;
    padding: 30px;
    border-radius: 12px;
    max-width: 500px;
    width: 100%;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    position: relative;
    text-align: center;
}

.popup-box h3 {
    margin-bottom: 15px;
}

.upi-details {
    background: #f0f9ff;
    border: 1px solid #bae6fd;
    padding: 15px;
    border-radius: 8px;
    margin: 15px 0;
    font-family: monospace;
}

.close-popup {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 1.5rem;
    cursor: pointer;
    background: none;
    border: none;
}

/* Footer Section */
footer {
    background-color: var(--dark);
    color: #cbd5e1;
    padding: 60px 20px 20px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    border-bottom: 1px solid #334155;
    padding-bottom: 40px;
}

@media(max-width: 900px) {
    .footer-content { grid-template-columns: 1fr; }
}

.footer-column h3 {
    color: white;
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.contact-icons {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.3s;
}

.contact-item:hover {
    color: white;
}

.contact-item svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.footer-bottom {
    max-width: 1200px;
    margin: 20px auto 0;
    text-align: center;
    font-size: 0.85rem;
    color: #94a3b8;
}

.footer-bottom p {
    margin-bottom: 8px;
}