/*
Theme Name: Skyline Productions
Theme URI: https://skylineproductions.ae
Author: Skyline Productions
Author URI: https://skylineproductions.ae
Description: A premium dark-aesthetic photo & video production portfolio theme with black-and-gold styling, custom portfolio post type, mixed media filtering, and an AJAX contact form.
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: skyline-productions
*/

/* =========================================================
   1. ROOT VARIABLES
========================================================= */
:root {
    --color-bg: #0a0a0a;
    --color-bg-alt: #121212;
    --color-bg-card: #161616;
    --color-gold: #c9a648;
    --color-gold-bright: #e3c373;
    --color-gold-dim: #8a7434;
    --color-text: #f1efe9;
    --color-text-muted: #a8a59c;
    --color-border: rgba(201, 166, 72, 0.18);
    --color-overlay: rgba(0, 0, 0, 0.72);

    --font-heading: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Jost', 'Helvetica Neue', Arial, sans-serif;

    --container-max: 1240px;
    --transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* =========================================================
   2. RESET / BASE
========================================================= */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    font-weight: 300;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

a {
    color: var(--color-gold);
    text-decoration: none;
    transition: color var(--transition-base);
}
a:hover { color: var(--color-gold-bright); }

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 500;
    line-height: 1.2;
    color: var(--color-text);
    letter-spacing: 0.01em;
}

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.4rem, 2.5vw, 1.8rem); }

p { color: var(--color-text-muted); }

ul { list-style: none; }

button { cursor: pointer; font-family: var(--font-body); }

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 32px;
}

.section { padding: 120px 0; }
.section-sm { padding: 64px 0; }

/* Gold accent divider */
.divider {
    width: 56px;
    height: 1px;
    background: var(--color-gold);
    margin: 24px 0;
}
.divider.center { margin: 24px auto; }

.eyebrow {
    font-size: 0.78rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--color-gold);
    font-weight: 500;
    display: inline-block;
    margin-bottom: 12px;
}

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

/* =========================================================
   3. BUTTONS
========================================================= */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 36px;
    border: 1px solid var(--color-gold);
    color: var(--color-gold);
    background: transparent;
    font-size: 0.82rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    font-weight: 500;
    transition: all var(--transition-base);
    cursor: pointer;
}
.btn:hover {
    background: var(--color-gold);
    color: var(--color-bg);
}
.btn-solid {
    background: var(--color-gold);
    color: var(--color-bg);
}
.btn-solid:hover {
    background: var(--color-gold-bright);
    border-color: var(--color-gold-bright);
}

/* =========================================================
   4. HEADER / NAVIGATION
========================================================= */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 999;
    padding: 28px 0;
    transition: all var(--transition-base);
    background: linear-gradient(to bottom, rgba(10,10,10,0.85) 0%, transparent 100%);
}
.site-header.is-scrolled {
    background: rgba(10, 10, 10, 0.92);
    backdrop-filter: blur(10px);
    padding: 16px 0;
    border-bottom: 1px solid var(--color-border);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.site-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    letter-spacing: 0.06em;
    color: var(--color-text);
    text-transform: uppercase;
}
.site-logo span { color: var(--color-gold); }

.main-nav ul {
    display: flex;
    gap: 40px;
}
.main-nav a {
    color: var(--color-text);
    font-size: 0.82rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    position: relative;
    padding-bottom: 4px;
}
.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-gold);
    transition: width var(--transition-base);
}
.main-nav a:hover::after,
.main-nav a.current::after { width: 100%; }
.main-nav a:hover { color: var(--color-gold); }

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-text);
    font-size: 1.6rem;
}

/* =========================================================
   5. HERO
========================================================= */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: var(--color-bg);
    overflow: hidden;
}
.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.45;
}
.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(10,10,10,0.3) 0%, rgba(10,10,10,0.95) 100%);
}
.hero-content {
    position: relative;
    z-index: 2;
    max-width: 760px;
}
.hero-content h1 { margin-bottom: 24px; }
.hero-content p {
    font-size: 1.1rem;
    max-width: 540px;
    margin-bottom: 36px;
}

/* =========================================================
   6. PORTFOLIO GRID + FILTERS
========================================================= */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 56px;
    flex-wrap: wrap;
}
.filter-btn {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    padding: 10px 28px;
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    transition: all var(--transition-base);
}
.filter-btn:hover,
.filter-btn.active {
    border-color: var(--color-gold);
    color: var(--color-gold);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.portfolio-item {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/5;
    background: var(--color-bg-card);
    cursor: pointer;
    transition: opacity var(--transition-base);
}
.portfolio-item.is-hidden { display: none; }

.portfolio-item img,
.portfolio-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.portfolio-item:hover img,
.portfolio-item:hover video { transform: scale(1.06); }

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, var(--color-overlay) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    opacity: 0;
    transition: opacity var(--transition-base);
}
.portfolio-item:hover .portfolio-overlay { opacity: 1; }

.portfolio-overlay .cat-tag {
    font-size: 0.7rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 6px;
}
.portfolio-overlay h3 { font-size: 1.2rem; color: #fff; }

.media-type-icon {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(10,10,10,0.7);
    border: 1px solid var(--color-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gold);
    font-size: 0.85rem;
    z-index: 2;
}

@media (max-width: 900px) {
    .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .portfolio-grid { grid-template-columns: 1fr; }
}

/* =========================================================
   7. ABOUT SECTION
========================================================= */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}
.about-image {
    position: relative;
}
.about-image img { aspect-ratio: 4/5; object-fit: cover; }
.about-image::before {
    content: '';
    position: absolute;
    top: -16px;
    left: -16px;
    width: 100%;
    height: 100%;
    border: 1px solid var(--color-gold);
    z-index: -1;
}
.stat-row {
    display: flex;
    gap: 48px;
    margin-top: 40px;
}
.stat-item .num {
    font-family: var(--font-heading);
    font-size: 2.4rem;
    color: var(--color-gold);
    display: block;
}
.stat-item .label {
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

@media (max-width: 900px) {
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
}

/* =========================================================
   8. CONTACT SECTION + FORM
========================================================= */
.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 80px;
}
.contact-info-item {
    margin-bottom: 28px;
}
.contact-info-item .label {
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 6px;
    display: block;
}
.contact-info-item a,
.contact-info-item span { color: var(--color-text); font-size: 1.05rem; }

.contact-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 8px;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    padding: 14px 16px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: border-color var(--transition-base);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-gold);
}
.form-group textarea { resize: vertical; min-height: 130px; }

#form-response-message {
    margin-top: 16px;
    font-size: 0.9rem;
    display: none;
}
#form-response-message.success { color: #7fbf7f; display: block; }
#form-response-message.error { color: #d97a6c; display: block; }

@media (max-width: 900px) {
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .contact-form .form-row { grid-template-columns: 1fr; }
}

/* =========================================================
   9. FOOTER
========================================================= */
.site-footer {
    border-top: 1px solid var(--color-border);
    padding: 56px 0 32px;
}
.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
}
.footer-social a {
    margin-left: 20px;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.footer-copy {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* =========================================================
   10. LIGHTBOX
========================================================= */
.skyline-lightbox {
    position: fixed;
    inset: 0;
    background: rgba(5,5,5,0.95);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 40px;
}
.skyline-lightbox.is-open { display: flex; }
.skyline-lightbox .lightbox-content {
    max-width: 1100px;
    max-height: 85vh;
    width: 100%;
}
.skyline-lightbox img,
.skyline-lightbox video,
.skyline-lightbox iframe {
    width: 100%;
    max-height: 80vh;
    object-fit: contain;
}
.skyline-lightbox iframe { aspect-ratio: 16/9; height: auto; }
.lightbox-close {
    position: absolute;
    top: 32px;
    right: 40px;
    color: var(--color-gold);
    font-size: 2rem;
    background: none;
    border: none;
}

/* =========================================================
   11. MOBILE NAV
========================================================= */
@media (max-width: 860px) {
    .menu-toggle { display: block; }
    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 360px;
        height: 100vh;
        background: var(--color-bg-alt);
        padding: 100px 40px;
        transition: right var(--transition-base);
        border-left: 1px solid var(--color-border);
    }
    .main-nav.is-open { right: 0; }
    .main-nav ul { flex-direction: column; gap: 28px; }
}

/* =========================================================
   12. UTILITIES
========================================================= */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.fade-in.is-visible {
    opacity: 1;
    transform: translateY(0);
}