/* ============================================
   Cricket Club Hotel / 1870 — Design System
   ============================================ */

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

html {
    scroll-behavior: auto; /* GSAP handles smooth scroll */
}

/* --- Custom Properties --- */
:root {
    /* Core palette */
    --navy: #1a2847;
    --navy-deep: #0f1a2e;
    --cream: #f8f5f0;
    --warm-white: #fefdfb;
    --rust: #c85a3f;
    --terracotta: #d97653;
    --gold: #b8924f;
    --gold-light: #d4b876;
    --charcoal: #2d2d2d;
    --charcoal-light: #4a4a4a;

    /* Functional tokens */
    --text-primary: var(--charcoal);
    --text-light: rgba(255, 255, 255, 0.9);
    --text-muted: rgba(255, 255, 255, 0.6);
    --border-light: #e8e3dc;

    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --section-pad: 8rem 4rem;
    --section-pad-mobile: 4rem 1.5rem;
    --max-width: 1400px;
    --max-width-narrow: 900px;

    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

    /* Z-index layers */
    --z-preloader: 9999;
    --z-nav: 1000;
    --z-overlay: 500;
}

/* --- Typography --- */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;0,800;0,900;1,400;1,500;1,600&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,300;1,9..40,400&display=swap');

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    line-height: 1.1;
    font-weight: 700;
}

h1 { font-size: clamp(3rem, 8vw, 7rem); }
h2 { font-size: clamp(2rem, 5vw, 4rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2.5rem); }
h4 { font-size: clamp(1.2rem, 2vw, 1.6rem); }

p {
    font-size: 1.05rem;
    line-height: 1.8;
    max-width: 65ch;
}

.label {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

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

/* --- Utility --- */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 4rem;
}

.container--narrow {
    max-width: var(--max-width-narrow);
}

.text-center { text-align: center; }
.text-gold { color: var(--gold); }
.text-rust { color: var(--rust); }

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* --- Image Panels --- */
.venue-img {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    overflow: hidden;
}

/* GPU-promote parallax backgrounds */
[data-parallax],
.pub-hero__bg,
.rooftop__bg,
.venue-tour__panel-bg {
    will-change: transform;
}

/* Subtle grain overlay on photos for texture */
.venue-img::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.08'/%3E%3C/svg%3E");
    background-size: 256px 256px;
    opacity: 0.3;
    z-index: 1;
    pointer-events: none;
    will-change: opacity;
}

/* Fallback placeholder for sections still awaiting images */
.placeholder-img {
    background: linear-gradient(135deg, var(--navy) 0%, var(--charcoal) 50%, var(--navy-deep) 100%);
    position: relative;
    overflow: hidden;
}

.placeholder-img--warm {
    background: linear-gradient(135deg, var(--rust) 0%, var(--terracotta) 50%, var(--gold) 100%);
}

.placeholder-img--copper {
    background: linear-gradient(135deg, #2a1f1a 0%, #4a3020 30%, #6b4530 60%, #3a2518 100%);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2.5rem;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: all 0.4s var(--ease-out);
    text-decoration: none;
}

.btn--primary {
    background: var(--rust);
    color: white;
}

.btn--primary:hover {
    background: var(--terracotta);
    transform: translateY(-2px);
}

.btn--outline {
    background: transparent;
    color: var(--warm-white);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn--outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.6);
}

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

.btn--gold:hover {
    background: var(--gold-light);
    transform: translateY(-2px);
}

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

.btn--dark:hover {
    background: var(--navy-deep);
    transform: translateY(-2px);
}

.btn__arrow {
    transition: transform 0.3s var(--ease-out);
}

.btn:hover .btn__arrow {
    transform: translateX(4px);
}

/* --- Navigation --- */
.nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: var(--z-nav);
    padding: 1.25rem 4rem;
    transition: background 0.4s, padding 0.4s, backdrop-filter 0.4s;
}

.nav--transparent {
    background: transparent;
}

.nav--solid {
    background: rgba(15, 26, 46, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 0.8rem 4rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--max-width);
    margin: 0 auto;
}

.nav__logo {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    text-decoration: none;
}

.nav__logo-name {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--warm-white);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.nav__logo-sub {
    font-family: var(--font-body);
    font-size: 0.6rem;
    font-weight: 500;
    letter-spacing: 0.25em;
    color: var(--gold);
    text-transform: uppercase;
}

.nav__links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
    align-items: center;
}

.nav__link {
    font-family: var(--font-body);
    color: var(--warm-white);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    transition: color 0.3s;
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gold);
    transition: width 0.3s var(--ease-out);
}

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

.nav__link:hover::after {
    width: 100%;
}

.nav__cta {
    background: var(--rust);
    color: white;
    padding: 0.6rem 1.6rem;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: all 0.3s var(--ease-out);
}

.nav__cta:hover {
    background: var(--terracotta);
    transform: translateY(-1px);
}

/* Mobile nav toggle */
.nav__toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 10;
}

.nav__toggle-line {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--warm-white);
    margin: 5px 0;
    transition: all 0.3s;
}

.nav__toggle--open .nav__toggle-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle--open .nav__toggle-line:nth-child(2) {
    opacity: 0;
}

.nav__toggle--open .nav__toggle-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile menu overlay */
.nav__mobile {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--navy-deep);
    z-index: calc(var(--z-nav) - 1);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2.5rem;
}

.nav__mobile--open {
    display: flex;
}

.nav__mobile a {
    font-family: var(--font-display);
    color: var(--warm-white);
    font-size: 2rem;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.3s;
}

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

/* --- Footer --- */
.footer {
    background: var(--charcoal);
    color: rgba(255, 255, 255, 0.75);
    padding: 5rem 4rem 2rem;
}

.footer__grid {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer__brand {
    max-width: 320px;
}

.footer__brand-name {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 800;
    color: white;
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}

.footer__brand-sub {
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    color: var(--gold);
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.footer__brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    opacity: 0.7;
}

.footer__col h4 {
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 1.5rem;
}

.footer__col ul {
    list-style: none;
}

.footer__col li {
    margin-bottom: 0.75rem;
}

.footer__col a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    transition: color 0.3s;
}

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

.footer__bottom {
    max-width: var(--max-width);
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    opacity: 0.5;
}

/* --- Section Utilities --- */
.section {
    padding: var(--section-pad);
    position: relative;
}

.section--dark {
    background: var(--navy);
    color: var(--warm-white);
}

.section--deep {
    background: var(--navy-deep);
    color: var(--warm-white);
}

.section--cream {
    background: var(--cream);
}

.section--white {
    background: var(--warm-white);
}

.section__header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section__label {
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--rust);
    margin-bottom: 1.5rem;
    display: block;
}

.section--dark .section__label {
    color: var(--gold);
}

.section__header p {
    font-size: 1.15rem;
    line-height: 1.8;
    opacity: 0.85;
    margin: 0 auto;
    max-width: 55ch;
}

/* --- Animation Utility Classes --- */
.reveal {
    opacity: 0;
    transform: translateY(40px);
}

.reveal--left {
    opacity: 0;
    transform: translateX(-40px);
}

.reveal--right {
    opacity: 0;
    transform: translateX(40px);
}

.line-reveal {
    overflow: hidden;
}

.line-reveal__inner {
    transform: translateY(105%);
    display: inline-block;
}

/* --- Responsive --- */
@media (max-width: 1200px) {
    :root {
        --section-pad: 6rem 3rem;
    }
}

@media (max-width: 768px) {
    :root {
        --section-pad: var(--section-pad-mobile);
    }

    .nav {
        padding: 1rem 1.5rem;
    }

    .nav--solid {
        padding: 0.7rem 1.5rem;
    }

    .nav__links {
        display: none;
    }

    .nav__toggle {
        display: block;
    }

    .container {
        padding: 0 1.5rem;
    }

    .footer {
        padding: 4rem 1.5rem 2rem;
    }

    .footer__grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .footer__bottom {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }

    p {
        font-size: 1rem;
    }
}