/* ============================================
   Kim's Pho — Classic & Elegant Restaurant Site
   Palette: Terracotta + Sand
   ============================================ */

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

:root {
    --terracotta: #C1694F;
    --terracotta-dark: #A0523D;
    --terracotta-light: #D4896F;
    --sand: #F5E6D3;
    --sand-light: #FAF0E6;
    --sand-dark: #E8D5C0;
    --cream: #FDF8F3;
    --charcoal: #2C2420;
    --charcoal-light: #4A3F38;
    --text: #3D322C;
    --text-light: #7A6B63;
    --white: #FFFFFF;
    --shadow-sm: 0 2px 8px rgba(44, 36, 32, 0.08);
    --shadow-md: 0 8px 30px rgba(44, 36, 32, 0.12);
    --shadow-lg: 0 20px 60px rgba(44, 36, 32, 0.15);
    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    color: var(--text);
    background-color: var(--cream);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 500;
    line-height: 1.2;
    color: var(--charcoal);
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--terracotta);
    margin-bottom: 16px;
}

.section-label::before {
    content: '';
    display: inline-block;
    width: 24px;
    height: 1.5px;
    background: var(--terracotta);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 560px;
    margin: 0 auto;
}

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

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 6px;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    transition: all var(--transition);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--terracotta-dark);
    border-color: var(--terracotta-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline-light {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-outline-light:hover {
    background: var(--white);
    color: var(--charcoal);
    border-color: var(--white);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 18px 40px;
    font-size: 1rem;
}

/* ---------- Header ---------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all var(--transition);
}

.header.scrolled {
    background: rgba(253, 248, 243, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 14px 0;
    box-shadow: var(--shadow-sm);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 1001;
}

.logo-mark {
    width: 40px;
    height: 40px;
    background: var(--terracotta);
    color: var(--white);
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: all var(--transition);
}

.logo-text {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--charcoal);
    transition: color var(--transition);
}

.header:not(.scrolled) .logo-text {
    color: var(--white);
}

.header:not(.scrolled) .logo-mark {
    background: var(--white);
    color: var(--terracotta);
}

/* ---------- Navigation ---------- */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 28px;
    padding: 4px 0;
    z-index: 1001;
}

.hamburger {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--charcoal);
    border-radius: 2px;
    transition: all var(--transition);
}

.header:not(.scrolled) .hamburger {
    background: var(--white);
}

.nav-toggle[aria-expanded="true"] .hamburger:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle[aria-expanded="true"] .hamburger:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] .hamburger:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--charcoal-light);
    border-radius: 6px;
    transition: all var(--transition);
}

.header:not(.scrolled) .nav-link {
    color: rgba(255, 255, 255, 0.85);
}

.nav-link:hover {
    color: var(--terracotta);
    background: rgba(193, 105, 79, 0.08);
}

.header:not(.scrolled) .nav-link:hover {
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
}

.nav-cta {
    margin-left: 8px;
    padding: 10px 24px;
    background: var(--terracotta);
    color: var(--white) !important;
    border-radius: 6px;
    font-weight: 500;
}

.nav-cta:hover {
    background: var(--terracotta-dark) !important;
    color: var(--white) !important;
    transform: translateY(-1px);
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -2;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(44, 36, 32, 0.82) 0%,
        rgba(44, 36, 32, 0.65) 50%,
        rgba(44, 36, 32, 0.4) 100%
    );
    z-index: -1;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 60px;
    align-items: center;
    padding-top: 100px;
    padding-bottom: 100px;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 100px;
    color: var(--sand);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    margin-bottom: 32px;
    backdrop-filter: blur(10px);
}

.hero-headline {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 500;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 24px;
}

.hero-headline em {
    font-style: italic;
    color: var(--sand);
}

.hero-subheadline {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 520px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    padding: 24px 28px;
    display: flex;
    align-items: center;
    gap: 16px;
    min-width: 260px;
    transition: all var(--transition);
}

.stat-card:hover {
    background: rgba(255, 255, 255, 0.16);
    transform: translateX(-4px);
    border-color: rgba(255, 255, 255, 0.25);
}

.stat-icon {
    width: 52px;
    height: 52px;
    background: rgba(193, 105, 79, 0.3);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--sand);
    flex-shrink: 0;
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--white);
    line-height: 1;
}

.stat-label {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.65);
    margin-top: 4px;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: float 2s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ---------- About ---------- */
.about {
    padding: 120px 0;
    background: var(--cream);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-images {
    position: relative;
}

.about-img-main {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-img-main img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.about-img-main:hover img {
    transform: scale(1.03);
}

.about-img-secondary {
    position: absolute;
    bottom: -40px;
    right: -40px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 6px solid var(--cream);
}

.about-img-secondary img {
    width: 260px;
    height: 200px;
    object-fit: cover;
}

.about-accent {
    position: absolute;
    top: -20px;
    left: -20px;
    width: 120px;
    height: 120px;
    background: var(--terracotta);
    border-radius: 20px;
    opacity: 0.1;
    z-index: -1;
}

.about-content {
    padding: 20px 0;
}

.about-text {
    font-size: 1.05rem;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-values {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 40px;
}

.value-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--charcoal);
}

.value-item svg {
    color: var(--terracotta);
    flex-shrink: 0;
}

/* ---------- Menu ---------- */
.menu {
    padding: 120px 0;
    background: var(--sand-light);
}

.menu-categories {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin: 48px 0 40px;
    flex-wrap: wrap;
}

.menu-tab {
    padding: 12px 28px;
    border-radius: 100px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-light);
    background: var(--white);
    border: 1.5px solid transparent;
    transition: all var(--transition);
}

.menu-tab:hover {
    color: var(--terracotta);
    border-color: var(--terracotta-light);
}

.menu-tab.active {
    background: var(--terracotta);
    color: var(--white);
    border-color: var(--terracotta);
}

.menu-grid {
    display: block;
}

.menu-category {
    display: none;
}

.menu-category.active {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.menu-item {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

.menu-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

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

.menu-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.menu-item:hover .menu-item-image img {
    transform: scale(1.08);
}

.menu-item-content {
    padding: 24px;
}

.menu-item-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.menu-item-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
}

.menu-item-tag {
    padding: 3px 10px;
    background: rgba(193, 105, 79, 0.1);
    color: var(--terracotta);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: 100px;
}

.menu-item-content p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.7;
}

.menu-note {
    margin-top: 48px;
}

.menu-note p {
    font-size: 0.9rem;
    color: var(--text-light);
    font-style: italic;
}

/* ---------- Experience ---------- */
.experience {
    padding: 120px 0;
    background: var(--cream);
}

.experience-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.experience-images {
    order: 1;
}

.experience-content {
    order: 2;
}

.exp-img-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.exp-img-1 img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.exp-img-2, .exp-img-3 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.exp-img-2 img, .exp-img-3 img {
    width: 100%;
    height: 190px;
    object-fit: cover;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
}

.experience-text {
    font-size: 1.05rem;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 20px;
}

.experience-features {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 40px;
}

.exp-feature {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.exp-feature-icon {
    width: 48px;
    height: 48px;
    background: rgba(193, 105, 79, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--terracotta);
    flex-shrink: 0;
}

.exp-feature h4 {
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.exp-feature p {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* ---------- Visit ---------- */
.visit {
    padding: 120px 0;
    background: var(--charcoal);
    color: var(--white);
}

.visit-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.visit .section-label {
    color: var(--terracotta-light);
}

.visit .section-label::before {
    background: var(--terracotta-light);
}

.visit .section-title {
    color: var(--white);
}

.visit-text {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.8;
    margin-bottom: 40px;
}

.visit-details {
    display: flex;
    flex-direction: column;
    gap: 28px;
    margin-bottom: 40px;
}

.visit-detail {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.visit-detail-icon {
    width: 44px;
    height: 44px;
    background: rgba(193, 105, 79, 0.2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--terracotta-light);
    flex-shrink: 0;
}

.visit-detail strong {
    display: block;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--sand);
    margin-bottom: 4px;
}

.visit-detail p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.visit-detail a {
    color: var(--terracotta-light);
    transition: color var(--transition);
}

.visit-detail a:hover {
    color: var(--sand);
}

.btn-outline-dark {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline-dark:hover {
    background: var(--white);
    color: var(--charcoal);
    border-color: var(--white);
    transform: translateY(-2px);
}

.btn-primary-dark {
    background: var(--terracotta);
    color: var(--white);
    border: 2px solid var(--terracotta);
}

.btn-primary-dark:hover {
    background: var(--terracotta-light);
    border-color: var(--terracotta-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(193, 105, 79, 0.3);
}

.visit-map {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.map-placeholder {
    position: relative;
    aspect-ratio: 4/3;
}

.map-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.map-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--white);
    text-shadow: 0 2px 8px rgba(0,0,0,0.4);
    font-weight: 500;
}

.map-overlay svg {
    color: var(--terracotta);
}

/* ---------- Footer ---------- */
.footer {
    padding: 80px 0 0;
    background: #1E1916;
    color: var(--white);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 60px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand .logo-text {
    color: var(--white);
}

.footer-brand .logo-mark {
    background: var(--terracotta);
    color: var(--white);
}

.footer-brand p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.8;
    max-width: 300px;
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--sand);
    margin-bottom: 20px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
    transition: color var(--transition);
}

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

.footer-contact p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.8;
}

.footer-contact a {
    color: var(--terracotta-light);
    transition: color var(--transition);
}

.footer-contact a:hover {
    color: var(--sand);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 28px 0;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.35);
}

.footer-bottom p:last-child {
    font-style: italic;
}

/* ---------- Animations ---------- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .hero-stats {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .stat-card {
        flex: 1;
        min-width: 200px;
    }

    .about-grid,
    .experience-layout,
    .visit-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .experience-images {
        order: 2;
    }

    .experience-content {
        order: 1;
    }

    .about-img-secondary {
        right: 20px;
        bottom: -20px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(253, 248, 243, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 8px;
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition);
    }

    .nav-menu.open {
        opacity: 1;
        visibility: visible;
    }

    .nav-link {
        font-size: 1.2rem;
        color: var(--charcoal) !important;
        padding: 12px 24px;
    }

    .nav-link:hover {
        background: rgba(193, 105, 79, 0.08) !important;
        color: var(--terracotta) !important;
    }

    .nav-cta {
        margin-left: 0;
        margin-top: 16px;
    }

    .hero-container {
        padding-top: 120px;
        padding-bottom: 80px;
    }

    .hero-headline {
        font-size: clamp(1.8rem, 7vw, 2.8rem);
    }

    .hero-stats {
        flex-direction: column;
    }

    .stat-card {
        min-width: auto;
    }

    .about-images {
        max-width: 500px;
    }

    .about-img-secondary {
        right: 0;
        bottom: -30px;
    }

    .about-values {
        grid-template-columns: 1fr;
    }

    .menu-category.active {
        grid-template-columns: 1fr;
    }

    .exp-img-2, .exp-img-3 {
        grid-template-columns: 1fr;
    }

    .exp-img-1 img {
        height: 280px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .visit .section-title,
    .about .section-title,
    .experience .section-title,
    .menu .section-title {
        font-size: clamp(1.8rem, 5vw, 2.4rem);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .menu-categories {
        gap: 6px;
    }

    .menu-tab {
        padding: 10px 20px;
        font-size: 0.85rem;
    }
}