/* 
    Pho K&A - Confident Corporate Vietnamese Restaurant Theme
    Palette: Midnight Blue (#0F172A), Mint (#2DD4BF), Slate (#64748B)
*/

:root {
    --color-midnight: #0F172A;
    --color-mint: #2DD4BF;
    --color-mint-dark: #0F766E;
    --color-slate: #64748B;
    --color-slate-light: #F1F5F9;
    --color-white: #ffffff;
    --color-text: #1E293B;
    
    --font-body: 'Inter', sans-serif;
    --font-heading: 'Playfair Display', serif;
    
    --container-width: 1200px;
    --radius: 4px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    line-height: 1.6;
    background-color: var(--color-white);
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s ease;
}

ul {
    list-style: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Typography Utilities */
.section-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-mint-dark);
    margin-bottom: 0.5rem;
}

.text-muted {
    color: var(--color-slate);
}

.text-center { text-align: center; }

.mb-4 { margin-bottom: 1.5rem; }
.mt-4 { margin-top: 1.5rem; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 1.75rem;
    font-weight: 500;
    border-radius: var(--radius);
    transition: all 0.2s ease;
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--color-mint);
    color: var(--color-midnight);
}

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

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

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-mark {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--color-midnight);
    border: 2px solid var(--color-midnight);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius);
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-midnight);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a:not(.btn) {
    font-weight: 500;
    color: var(--color-midnight);
}

.nav-links a:not(.btn):hover {
    color: var(--color-mint-dark);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-midnight);
}

/* Hero */
.hero {
    position: relative;
    height: 90vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-image: url('https://images.pexels.com/photos/8922189/pexels-photo-8922189.jpeg?auto=compress&cs=tinysrgb&fit=crop&w=1920&h=1080');
    background-size: cover;
    background-position: center;
    margin-top: 72px; /* offset fixed nav */
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(15, 23, 42, 0.85), rgba(15, 23, 42, 0.7));
}

.hero-content {
    position: relative;
    z-index: 1;
    color: var(--color-white);
    max-width: 800px;
}

.hero .eyebrow {
    color: var(--color-mint);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 1rem;
    display: block;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    color: var(--color-white);
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.hero-sub {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Trust Bar */
.trust-bar {
    background-color: var(--color-slate-light);
    padding: 3rem 0;
    border-bottom: 1px solid #e2e8f0;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--color-midnight);
    font-weight: 600;
}

.trust-item svg {
    color: var(--color-mint-dark);
}

/* Section Spacing */
.section {
    padding: 6rem 0;
}

/* About */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-stats {
    position: absolute;
    bottom: -2rem;
    right: -2rem;
    background: var(--color-midnight);
    color: var(--color-white);
    padding: 2rem;
    border-radius: var(--radius);
    text-align: center;
    min-width: 160px;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-mint);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.about-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.about-content p {
    margin-bottom: 1.5rem;
    color: var(--color-slate);
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    color: var(--color-midnight);
}

.feature-list svg {
    color: var(--color-mint-dark);
}

/* Menu */
.menu {
    background-color: var(--color-slate-light);
}

.section-header {
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.menu-card {
    background: var(--color-white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

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

.menu-img {
    height: 200px;
    overflow: hidden;
}

.menu-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.menu-info {
    padding: 1.5rem;
}

.menu-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.menu-title-row h3 {
    font-size: 1.25rem;
    font-family: var(--font-body);
    font-weight: 700;
}

.menu-tag {
    background: var(--color-mint);
    color: var(--color-midnight);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.5rem;
    border-radius: 2px;
    text-transform: uppercase;
}

.menu-info p {
    font-size: 0.95rem;
    color: var(--color-slate);
    margin-bottom: 0;
}

/* Location */
.location-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    background: var(--color-midnight);
    border-radius: var(--radius);
    overflow: hidden;
    min-height: 500px;
}

.location-content {
    padding: 4rem;
    color: var(--color-white);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.location-content h2 {
    color: var(--color-white);
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.location-content .text-muted {
    color: rgba(255,255,255,0.7);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 2rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.contact-item svg {
    color: var(--color-mint);
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.contact-item p {
    margin: 0;
    color: rgba(255,255,255,0.8);
}

.contact-item a:hover {
    color: var(--color-mint);
}

.map-container {
    min-height: 400px;
}

/* Footer */
.footer {
    background: var(--color-midnight);
    color: var(--color-white);
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h3, .footer-col h4 {
    color: var(--color-white);
    margin-bottom: 1rem;
}

.footer-col h3 {
    font-size: 1.5rem;
}

.footer-col h4 {
    font-family: var(--font-body);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-mint);
}

.footer-col ul li {
    margin-bottom: 0.5rem;
}

.footer-col ul li a {
    color: rgba(255,255,255,0.7);
}

.footer-col ul li a:hover {
    color: var(--color-white);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
    text-align: center;
    color: rgba(255,255,255,0.5);
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 900px) {
    .about-grid, .location-wrapper {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
    }
    
    .about-stats {
        right: 0;
    }
    
    .location-content {
        padding: 3rem 2rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: 2rem;
        border-bottom: 1px solid #e2e8f0;
        transform: translateY(-150%);
        transition: transform 0.3s ease;
        box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
    }
    
    .nav-links.active {
        transform: translateY(0);
    }
    
    .mobile-toggle {
        display: block;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
}