/* ───────────────────────────────────────────
   SAIGON KITCHEN — Styles
   Palette: Burgundy (#7B2D3B) + Blush (#F5E6D3)
   ─────────────────────────────────────────── */

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

:root {
    --burgundy: #7B2D3B;
    --burgundy-deep: #5A1F2B;
    --burgundy-light: #9B3D4E;
    --blush: #F5E6D3;
    --blush-light: #FAF3EB;
    --blush-dark: #E8D5C0;
    --cream: #FDF9F4;
    --charcoal: #1A1416;
    --charcoal-light: #2D2428;
    --warm-gray: #6B5E64;
    --warm-gray-light: #9A8D92;
    --white: #FFFFFF;
    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

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

body {
    font-family: var(--font-sans);
    color: var(--charcoal);
    background: var(--cream);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

/* ─── SKIP LINK ─── */
.skip-link {
    position: absolute;
    top: -100%;
    left: 16px;
    background: var(--burgundy);
    color: var(--white);
    padding: 8px 16px;
    border-radius: 0 0 8px 8px;
    z-index: 1000;
    font-weight: 500;
}
.skip-link:focus {
    top: 0;
}

/* ─── BUTTONS ─── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-sans);
    font-weight: 500;
    border: 2px solid transparent;
    border-radius: 100px;
    cursor: pointer;
    transition: all 0.3s var(--ease-out);
    white-space: nowrap;
}

.btn-primary {
    background: var(--burgundy);
    color: var(--white);
    border-color: var(--burgundy);
}
.btn-primary:hover {
    background: var(--burgundy-deep);
    border-color: var(--burgundy-deep);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(123, 45, 59, 0.3);
}

.btn-outline-light {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.6);
}
.btn-outline-light:hover {
    background: var(--white);
    color: var(--burgundy);
    border-color: var(--white);
}

.btn-sm {
    padding: 10px 24px;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1rem;
}

/* ─── HEADER ─── */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(253, 249, 244, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(123, 45, 59, 0.08);
    transition: box-shadow 0.3s var(--ease-out);
}
.site-header.scrolled {
    box-shadow: 0 4px 32px rgba(26, 20, 22, 0.08);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--burgundy);
}

.logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--burgundy);
    color: var(--blush);
    font-family: var(--font-serif);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    border-radius: 8px;
}

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

.main-nav a:not(.btn) {
    padding: 8px 16px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--charcoal);
    border-radius: 100px;
    transition: all 0.2s var(--ease-out);
}
.main-nav a:not(.btn):hover {
    color: var(--burgundy);
    background: rgba(123, 45, 59, 0.06);
}

/* ─── NAV TOGGLE ─── */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 44px;
    height: 44px;
    position: relative;
}

.hamburger {
    display: block;
    width: 22px;
    height: 14px;
    position: relative;
    margin: 0 auto;
}
.hamburger::before,
.hamburger::after,
.hamburger span {
    content: '';
    display: block;
    width: 100%;
    height: 2px;
    background: var(--charcoal);
    border-radius: 2px;
    position: absolute;
    transition: all 0.3s var(--ease-out);
}
.hamburger::before { top: 0; }
.hamburger span { top: 50%; transform: translateY(-50%); }
.hamburger::after { bottom: 0; }

.nav-toggle[aria-expanded="true"] .hamburger::before {
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .hamburger span {
    opacity: 0;
}
.nav-toggle[aria-expanded="true"] .hamburger::after {
    bottom: 50%;
    transform: translateY(50%) rotate(-45deg);
}

/* ─── HERO ─── */
.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
    background: var(--burgundy-deep);
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.55;
}

.hero-scrim {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(26, 20, 22, 0.92) 0%,
        rgba(90, 31, 43, 0.7) 40%,
        rgba(90, 31, 43, 0.3) 70%,
        rgba(90, 31, 43, 0.1) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 0 0 80px;
    max-width: 720px;
}

.hero-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--blush);
    margin-bottom: 20px;
}

.hero-headline {
    font-family: var(--font-serif);
    font-size: clamp(2.8rem, 7vw, 5.5rem);
    font-weight: 700;
    line-height: 1.05;
    color: var(--white);
    margin-bottom: 24px;
    letter-spacing: -0.01em;
}
.hero-headline br {
    display: block;
}

.hero-sub {
    font-size: 1.125rem;
    line-height: 1.7;
    color: rgba(245, 230, 211, 0.8);
    max-width: 520px;
    margin-bottom: 40px;
}

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

.hero-scroll {
    position: absolute;
    bottom: 24px;
    right: 40px;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(245, 230, 211, 0.5);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}
.hero-scroll svg {
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(6px); }
}

/* ─── PILLARS ─── */
.pillars {
    padding: 100px 0;
    background: var(--cream);
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.pillar-card {
    background: var(--white);
    border: 1px solid rgba(123, 45, 59, 0.08);
    border-radius: 20px;
    padding: 40px 32px;
    transition: all 0.4s var(--ease-out);
}
.pillar-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(123, 45, 59, 0.1);
    border-color: rgba(123, 45, 59, 0.15);
}

.pillar-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--blush);
    border-radius: 16px;
    margin-bottom: 24px;
    color: var(--burgundy);
}

.pillar-card h3 {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--charcoal);
    margin-bottom: 12px;
}

.pillar-card p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--warm-gray);
}

/* ─── SECTION COMMON ─── */
.section-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--burgundy);
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 700;
    line-height: 1.1;
    color: var(--charcoal);
    margin-bottom: 20px;
    letter-spacing: -0.01em;
}

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

.section-desc {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--warm-gray);
    max-width: 560px;
}

/* ─── MENU ─── */
.menu-section {
    padding: 100px 0;
    background: var(--blush-light);
}

.menu-section .section-header {
    text-align: center;
    margin-bottom: 64px;
}
.menu-section .section-desc {
    margin: 0 auto;
}

.menu-categories {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.menu-category {
    background: var(--white);
    border-radius: 20px;
    padding: 36px;
    border: 1px solid rgba(123, 45, 59, 0.06);
    transition: all 0.3s var(--ease-out);
}
.menu-category:hover {
    box-shadow: 0 12px 40px rgba(123, 45, 59, 0.08);
}

.menu-category-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(123, 45, 59, 0.08);
}

.menu-category-header svg {
    color: var(--burgundy);
    flex-shrink: 0;
}

.menu-category-header h3 {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--charcoal);
}

.menu-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.menu-item-name {
    font-weight: 600;
    font-size: 1rem;
    color: var(--charcoal);
    margin-bottom: 4px;
}

.menu-item-desc {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--warm-gray);
}

.menu-note {
    text-align: center;
    font-size: 0.8rem;
    color: var(--warm-gray-light);
    margin-top: 40px;
    font-style: italic;
}

/* ─── VISUAL BREAK ─── */
.visual-break {
    background: var(--burgundy-deep);
    padding: 0;
}

.visual-break-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 600px;
}

.visual-break-img {
    overflow: hidden;
}
.visual-break-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease-out);
}
.visual-break-img:hover img {
    transform: scale(1.04);
}

.visual-break-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 80px 64px;
    background: var(--burgundy);
}

.visual-break-content .section-eyebrow {
    color: var(--blush);
}

.visual-break-content .section-title {
    margin-bottom: 24px;
}

.visual-break-content p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: rgba(245, 230, 211, 0.8);
    margin-bottom: 16px;
}

.visual-break-content .btn {
    align-self: flex-start;
    margin-top: 32px;
}

/* ─── ABOUT ─── */
.about {
    padding: 100px 0;
    background: var(--cream);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-image {
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 32px 80px rgba(123, 45, 59, 0.12);
}
.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-content .section-title {
    margin-bottom: 24px;
}

.about-content p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--warm-gray);
    margin-bottom: 16px;
}

.about-stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid rgba(123, 45, 59, 0.1);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    color: var(--burgundy);
    line-height: 1;
}

.stat-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--warm-gray);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* ─── VISIT ─── */
.visit {
    padding: 100px 0;
    background: var(--blush-light);
}

.visit-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.visit-info .section-title {
    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;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border-radius: 12px;
    color: var(--burgundy);
    flex-shrink: 0;
    border: 1px solid rgba(123, 45, 59, 0.08);
}

.visit-detail strong {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--burgundy);
    margin-bottom: 4px;
}

.visit-detail p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--charcoal);
}
.visit-detail a {
    color: var(--charcoal);
    transition: color 0.2s;
}
.visit-detail a:hover {
    color: var(--burgundy);
    text-decoration: underline;
}

.visit-map {
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 24px 64px rgba(123, 45, 59, 0.12);
    position: relative;
}
.visit-map a {
    display: block;
    position: relative;
}
.visit-map img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 400px;
}
.map-overlay {
    position: absolute;
    bottom: 20px;
    left: 20px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--white);
    color: var(--charcoal);
    padding: 12px 20px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 0.875rem;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
    transition: all 0.2s var(--ease-out);
}
.map-overlay:hover {
    background: var(--burgundy);
    color: var(--white);
}

/* ─── FOOTER ─── */
.site-footer {
    background: var(--charcoal);
    color: var(--blush);
    padding: 80px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 48px;
    margin-bottom: 60px;
}

.footer-brand .logo-mark {
    margin-bottom: 16px;
}

.footer-brand .logo-text {
    display: block;
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    color: rgba(245, 230, 211, 0.6);
    max-width: 280px;
}

.footer-links strong,
.footer-contact strong {
    display: block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--blush);
    margin-bottom: 20px;
}

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

.footer-links a {
    font-size: 0.9rem;
    color: rgba(245, 230, 211, 0.6);
    transition: color 0.2s;
}
.footer-links a:hover {
    color: var(--white);
}

.footer-contact address {
    font-style: normal;
    font-size: 0.9rem;
    line-height: 1.8;
    color: rgba(245, 230, 211, 0.6);
}
.footer-contact a {
    color: rgba(245, 230, 211, 0.6);
    transition: color 0.2s;
}
.footer-contact a:hover {
    color: var(--white);
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(245, 230, 211, 0.1);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: rgba(245, 230, 211, 0.35);
}

/* ─── MOBILE NAV ─── */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .main-nav {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(253, 249, 244, 0.98);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        padding: 24px;
        border-bottom: 1px solid rgba(123, 45, 59, 0.08);
        transform: translateY(-120%);
        opacity: 0;
        transition: all 0.4s var(--ease-out);
        pointer-events: none;
    }
    .main-nav.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    .main-nav ul {
        flex-direction: column;
        gap: 8px;
        align-items: stretch;
    }
    .main-nav a:not(.btn) {
        padding: 14px 16px;
        font-size: 1rem;
    }
    .main-nav .btn {
        text-align: center;
        margin-top: 8px;
    }
}

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
    .pillars-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    .pillar-card {
        padding: 28px 24px;
    }

    .visual-break-grid {
        grid-template-columns: 1fr;
    }
    .visual-break-img {
        height: 400px;
    }
    .visual-break-content {
        padding: 60px 40px;
    }

    .about-grid,
    .visit-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

@media (max-width: 768px) {
    .hero-content {
        padding: 0 0 100px;
    }
    .hero-headline {
        font-size: clamp(2.2rem, 10vw, 3.5rem);
    }
    .hero-actions {
        flex-direction: column;
    }
    .hero-actions .btn {
        width: 100%;
        text-align: center;
    }
    .hero-scroll {
        display: none;
    }

    .pillars {
        padding: 60px 0;
    }
    .pillars-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .menu-section {
        padding: 60px 0;
    }
    .menu-categories {
        grid-template-columns: 1fr;
    }
    .menu-category {
        padding: 28px;
    }

    .visual-break {
        padding: 0;
    }
    .visual-break-img {
        height: 300px;
    }
    .visual-break-content {
        padding: 48px 24px;
    }

    .about,
    .visit {
        padding: 60px 0;
    }
    .about-stats {
        gap: 24px;
        flex-wrap: wrap;
    }

    .visit-map img {
        min-height: 280px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    .header-inner {
        height: 64px;
    }
    .logo {
        font-size: 1.1rem;
    }
    .logo-mark {
        width: 32px;
        height: 32px;
        font-size: 0.7rem;
    }
}