/* ============================================================
   Bright Valley Media - Shared Stylesheet
   Extracted common styles used across all pages.
   ============================================================ */

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

/* ====== VARIABLES ====== */
:root {
    --black: #1c1917;
    --dark: #292524;
    --gray-900: #292524;
    --gray-700: #44403c;
    --gray-500: #78716c;
    --gray-400: #a8a29e;
    --gray-300: #d6d3d1;
    --gray-200: #e7e5e3;
    --gray-100: #f5f5f4;
    --white: #ffffff;
    --off-white: #faf9f7;
    --label: #c4984a;
    --teal: #3B82F6;
    --teal-light: #2563EB;

    --heading: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
    --body: 'Montserrat', sans-serif;
}

/* ====== BASE ====== */
html { scroll-behavior: smooth; }

body {
    font-family: var(--body);
    background: var(--white);
    color: var(--black);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; cursor: pointer; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
img { max-width: 100%; display: block; }

/* ====== NAV ====== */
nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 0 40px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: transparent;
    transition: background 0.4s, box-shadow 0.4s;
}

nav.scrolled {
    background: rgba(250,249,247,0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(0,0,0,0.06);
}

.logo {
    font-family: var(--heading);
    font-size: 22px;
    font-weight: 900;
    color: var(--black);
    letter-spacing: 0.04em;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-link {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gray-500);
    transition: color 0.3s;
}
.nav-link:hover { color: var(--black); }

.nav-book {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--white);
    background: var(--teal);
    padding: 10px 24px;
    border-radius: 4px;
    transition: background 0.3s, color 0.3s;
}
.nav-book:hover { background: var(--teal-light); color: var(--white); }

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    z-index: 101;
}
.hamburger span {
    width: 22px; height: 1.5px;
    background: var(--black);
    transition: transform 0.3s, opacity 0.3s;
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(4.5px,4.5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(4.5px,-4.5px); }

.mobile-overlay {
    display: none;
    position: fixed; inset: 0;
    background: var(--black);
    z-index: 99;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 24px;
}
.mobile-overlay.open { display: flex; }
.mobile-overlay a {
    font-family: var(--heading);
    font-size: 32px;
    color: var(--white);
    font-weight: 400;
}

/* ====== FOOTER ====== */
footer {
    padding: 24px 40px;
    background: var(--black);
    border-top: 1px solid var(--gray-900);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.f-copy {
    font-size: 11px;
    color: var(--gray-500);
}

.f-links {
    display: flex;
    gap: 28px;
}
.f-links a {
    font-size: 11px;
    color: var(--gray-500);
    transition: color 0.3s;
}
.f-links a:hover { color: var(--white); }

.f-social {
    display: flex;
    gap: 12px;
}
.f-social a {
    width: 32px; height: 32px;
    border: 1px solid var(--gray-700);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-500);
    transition: border-color 0.3s, color 0.3s;
}
.f-social a:hover { border-color: var(--white); color: var(--white); }
.f-social svg { width: 13px; height: 13px; }

/* ====== REVEAL ANIMATION ====== */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s cubic-bezier(0.25,0.46,0.45,0.94), transform 0.6s cubic-bezier(0.25,0.46,0.45,0.94);
}
.reveal.vis { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; }
}

/* ====== SHARED RESPONSIVE ====== */
@media (max-width: 900px) {
    nav { padding: 0 24px; }
    .nav-right .nav-link { display: none; }
    .nav-book { display: none; }
    .hamburger { display: flex; }

    footer { padding: 32px 24px; flex-direction: column; text-align: center; }
    .f-links { flex-wrap: wrap; justify-content: center; }
}