/* ============================================================
   O'L Burger Food Truck — Classic & Elegant Styles
   Palette: Deep Navy (#1a2744) + Warm Gold (#c8a45e)
   Fonts: Playfair Display (serif) + Lato (sans-serif)
   ============================================================ */

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

:root {
    --navy: #1a2744;
    --navy-light: #243352;
    --navy-dark: #111b30;
    --gold: #c8a45e;
    --gold-light: #d4b76e;
    --gold-dark: #b8933f;
    --cream: #f7f4ee;
    --cream-dark: #efe9dd;
    --white: #ffffff;
    --text-dark: #1a1a1a;
    --text-medium: #4a4a4a;
    --text-light: #6b6b6b;
    --text-on-dark: #f0ece4;
    --text-on-dark-muted: #b8b0a0;

    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-sans: 'Lato', 'Segoe UI', system-ui, sans-serif;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;

    --shadow-sm: 0 1px 3px rgba(26, 39, 68, 0.08);
    --shadow-md: 0 4px 16px rgba(26, 39, 68, 0.1);
    --shadow-lg: 0 8px 32px rgba(26, 39, 68, 0.12);
    --shadow-xl: 0 16px 48px rgba(26, 39, 68, 0.15);

    --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-dark);
    background-color: var(--cream);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 16px;
    background: var(--navy);
    color: var(--gold);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    z-index: 10000;
    font-weight: 600;
    transition: top var(--transition);
}
.skip-link:focus {
    top: 16px;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
    padding: 20px 0;
}

.navbar.scrolled {
    background: rgba(26, 39, 68, 0.97);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
    padding: 12px 0;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.navbar-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--white);
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.navbar-brand .brand-icon {
    color: var(--gold);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    transition: color var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--gold);
    transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a:focus-visible {
    color: var(--gold);
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.nav-toggle .hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] .hamburger:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .hamburger:nth-child(2) {
    opacity: 0;
}
.nav-toggle[aria-expanded="true"] .hamburger:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--navy-dark);
}

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

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

.hero-scrim {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(17, 27, 48, 0.72) 0%,
        rgba(26, 39, 68, 0.65) 40%,
        rgba(26, 39, 68, 0.75) 100%
    );
}

.hero-scrim-vignette {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 40%, rgba(17, 27, 48, 0.5) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    padding: 0 24px;
    color: var(--white);
}

.hero-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 20px;
}

.hero-headline {
    font-family: var(--font-serif);
    font-size: clamp(2.2rem, 5.5vw, 4rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--white);
}

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

.hero-sub {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    max-width: 560px;
    margin: 0 auto 36px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.hero-meta {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.65);
}

.hero-meta-item svg {
    opacity: 0.7;
}

.scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    color: rgba(255, 255, 255, 0.5);
    animation: scrollBounce 2s ease-in-out infinite;
    transition: color var(--transition);
}

.scroll-indicator:hover {
    color: var(--gold);
}

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

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-gold {
    background: var(--gold);
    color: var(--navy-dark);
    border-color: var(--gold);
}

.btn-gold:hover,
.btn-gold:focus-visible {
    background: var(--gold-light);
    border-color: var(--gold-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(200, 164, 94, 0.35);
}

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

.btn-outline-light:hover,
.btn-outline-light:focus-visible {
    border-color: var(--white);
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

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

/* ============================================================
   SECTION DIVIDER
   ============================================================ */
.section-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 24px;
    color: var(--gold);
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 64px;
}

.section-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--gold-dark);
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    line-height: 1.2;
    color: var(--navy);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-medium);
    line-height: 1.8;
}

/* ============================================================
   MENU SECTION
   ============================================================ */
.menu-section {
    background: var(--white);
}

.menu-categories {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 48px;
}

.menu-category {
    background: var(--cream);
    border-radius: var(--radius-md);
    padding: 36px 28px;
    transition: transform var(--transition), box-shadow var(--transition);
}

.menu-category:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(26, 39, 68, 0.1);
}

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

.category-title {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--navy);
}

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

.menu-item-name {
    font-family: var(--font-serif);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 4px;
}

.menu-item-desc {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
}

.menu-note {
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-light);
    font-style: italic;
    padding: 20px;
    background: var(--cream);
    border-radius: var(--radius-md);
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.about-section {
    background: var(--cream);
}

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

.about-image-wrapper {
    position: relative;
}

.about-image-main {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-image-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-image-accent {
    position: absolute;
    bottom: -32px;
    right: -24px;
    width: 55%;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 4px solid var(--cream);
}

.about-image-accent img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-badge {
    position: absolute;
    top: -16px;
    left: -16px;
    background: var(--navy);
    color: var(--gold);
    padding: 16px 20px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
}

.about-text .section-eyebrow {
    text-align: left;
}

.about-text .section-title {
    text-align: left;
    margin-bottom: 24px;
}

.about-text > p {
    color: var(--text-medium);
    margin-bottom: 16px;
    font-size: 1rem;
    line-height: 1.8;
}

.about-values {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 32px;
}

.value-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.value-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--navy);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
}

.value-item strong {
    display: block;
    font-family: var(--font-serif);
    font-size: 1.05rem;
    color: var(--navy);
    margin-bottom: 2px;
}

.value-item span {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.5;
}

/* ============================================================
   GALLERY SECTION
   ============================================================ */
.gallery-section {
    background: var(--white);
    padding-bottom: 80px;
}

.gallery-section .section-header {
    margin-bottom: 48px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.gallery-item {
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 5 / 4;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
    position: relative;
    padding: 100px 0;
    overflow: hidden;
}

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

.cta-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cta-scrim {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to right,
        rgba(17, 27, 48, 0.88) 0%,
        rgba(26, 39, 68, 0.82) 60%,
        rgba(26, 39, 68, 0.72) 100%
    );
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
    color: var(--white);
}

.cta-content .section-eyebrow {
    color: var(--gold);
    text-align: left;
}

.cta-content .section-title {
    color: var(--white);
    text-align: left;
    margin-bottom: 16px;
}

.cta-text {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.8;
    margin-bottom: 32px;
}

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

/* ============================================================
   CONTACT SECTION
   ============================================================ */
.contact-section {
    background: var(--cream);
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-card {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    background: var(--white);
    padding: 28px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition), transform var(--transition);
}

.contact-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.contact-card-icon {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    background: var(--navy);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
}

.contact-card h3 {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 6px;
}

.contact-card p {
    font-size: 0.95rem;
    color: var(--text-medium);
    line-height: 1.6;
}

.contact-card a {
    color: var(--gold-dark);
    font-weight: 600;
    transition: color var(--transition);
}

.contact-card a:hover {
    color: var(--navy);
}

.contact-hint {
    font-size: 0.8rem !important;
    color: var(--text-light) !important;
    font-style: italic;
    margin-top: 4px;
}

.contact-form-wrapper {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.contact-form-wrapper h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--navy);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.form-group input,
.form-group textarea {
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--text-dark);
    background: var(--cream);
    border: 1.5px solid rgba(26, 39, 68, 0.12);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(200, 164, 94, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-light);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-success {
    margin-top: 16px;
    padding: 16px;
    background: rgba(200, 164, 94, 0.1);
    border: 1px solid rgba(200, 164, 94, 0.3);
    border-radius: var(--radius-sm);
    color: var(--navy);
    font-weight: 500;
    text-align: center;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    background: var(--navy-dark);
    color: var(--text-on-dark);
    padding: 64px 0 0;
}

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

.footer-brand .footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}

.footer-brand .brand-icon {
    color: var(--gold);
}

.footer-brand p {
    font-size: 0.9rem;
    color: var(--text-on-dark-muted);
    line-height: 1.7;
    max-width: 280px;
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 16px;
    letter-spacing: 0.04em;
}

.footer-links ul,
.footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--text-on-dark-muted);
    transition: color var(--transition);
}

.footer-links a:hover,
.footer-links a:focus-visible {
    color: var(--gold);
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-on-dark-muted);
    line-height: 1.6;
}

.footer-contact svg {
    flex-shrink: 0;
    margin-top: 3px;
    color: var(--gold);
    opacity: 0.7;
}

.footer-contact a {
    color: var(--text-on-dark-muted);
    transition: color var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--text-on-dark-muted);
}

/* ============================================================
   SCROLL REVEAL (progressive enhancement)
   ============================================================ */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }

    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .menu-categories {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-grid {
        gap: 48px;
    }

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

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

    .nav-links {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: min(320px, 85vw);
        background: var(--navy);
        flex-direction: column;
        justify-content: center;
        gap: 28px;
        padding: 40px;
        transform: translateX(100%);
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: -8px 0 32px rgba(0, 0, 0, 0.3);
    }

    .nav-links.open {
        transform: translateX(0);
    }

    .nav-links a {
        font-size: 1.1rem;
        color: rgba(255, 255, 255, 0.85);
    }

    .nav-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
    }

    .nav-overlay.active {
        display: block;
    }

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

    .hero-meta {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    .menu-categories {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .about-image-accent {
        right: -8px;
        bottom: -16px;
        width: 50%;
    }

    .about-text .section-eyebrow,
    .about-text .section-title {
        text-align: center;
    }

    .about-text > p {
        text-align: center;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .cta-section {
        padding: 64px 0;
    }

    .cta-content .section-eyebrow,
    .cta-content .section-title {
        text-align: center;
    }

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

    .cta-actions {
        justify-content: center;
    }

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

    .contact-form-wrapper {
        padding: 28px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

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

    .section {
        padding: 72px 0;
    }
}

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

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

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

    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .menu-category {
        padding: 24px 20px;
    }

    .contact-form-wrapper {
        padding: 20px;
    }
}