/*
Theme Name: GB Colors
Theme URI: https://www.gbalaji.in/
Author: G. Balaji
Author URI: https://www.gbalaji.in/
Description: A cinematic dark portfolio theme for colorist G. Balaji (GB Colors, Chennai). Grading-suite aesthetic: neutral charcoal, complementary amber/teal grade accents, vectorscope hero, poster-grid portfolio.
Version: 1.0.6
Requires at least: 5.9
Tested up to: 6.7
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: gbcolors
Tags: portfolio, dark, one-column, custom-menu, featured-images
*/

/* ============================================================
   TOKENS — the grading suite
   ============================================================ */
:root {
  /* surfaces: calibrated-room neutrals, never pure black */
  --ink-0: #131519;      /* page */
  --ink-1: #1a1d23;      /* panel */
  --ink-2: #23272f;      /* raised panel */
  --line:  #2e333d;      /* hairline */
  --text-hi: #edeae4;    /* warm paper white */
  --text-mid: #a8a49c;
  --text-low: #6d6a64;

  /* the grade: complementary pair + skin-tone line */
  --amber: #e5a13c;      /* highlights / tungsten */
  --teal:  #46b5ad;      /* shadows */
  --skin:  #d98a6a;      /* the I-line */

  --font-display: "Big Shoulders Display", "Arial Narrow", sans-serif;
  --font-body: "Instrument Sans", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "Space Mono", "Courier New", monospace;

  --wrap: 1200px;
  --pad: clamp(20px, 4vw, 48px);
}

/* ============================================================
   RESET / BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ink-0);
  color: var(--text-mid);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--amber); text-decoration: none; }
a:hover { color: var(--text-hi); }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--text-hi);
  line-height: 1.02;
  margin: 0 0 .4em;
  font-weight: 700;
  letter-spacing: .01em;
  text-transform: uppercase;
}
h1 { font-size: clamp(3rem, 9vw, 7.5rem); }
h2 { font-size: clamp(2.2rem, 5vw, 4rem); }
h3 { font-size: clamp(1.4rem, 2.6vw, 2rem); }
p { margin: 0 0 1.2em; }
::selection { background: var(--amber); color: var(--ink-0); }

.wrap { max-width: var(--wrap); margin: 0 auto; padding-left: var(--pad); padding-right: var(--pad); }
.screen-reader-text {
  clip: rect(1px,1px,1px,1px); position: absolute !important;
  height: 1px; width: 1px; overflow: hidden;
}

/* mono metadata label — the theme's structural voice */
.meta-label {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--text-low);
}
.meta-label .tick { color: var(--teal); }

/* the grade ramp — signature divider (shadows→mids→highlights) */
.grade-ramp {
  height: 3px; border: 0; margin: 0;
  background: linear-gradient(90deg, var(--teal) 0%, #6f8a83 22%, var(--ink-2) 50%, #9c7a4e 78%, var(--amber) 100%);
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(19,21,25,.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.header-bar { display: flex; align-items: center; justify-content: space-between; gap: 14px 24px; padding-top: 12px; padding-bottom: 12px; flex-wrap: wrap; }
.main-nav { margin-left: auto; }
.brand { display: flex; flex-direction: column; gap: 5px; line-height: 1.1; }
.brand a { display: inline-block; }
.brand .brand-logo, .brand .custom-logo { width: auto; height: 34px; }
.brand .brand-role { font-family: var(--font-mono); font-size: .58rem; letter-spacing: .3em; color: var(--text-low); text-transform: uppercase; }

/* Dolby Vision Certified Professional badge */
.dolby-badge { width: auto; opacity: .9; }
.dolby-header { height: 30px; margin-left: auto; }
.dolby-footer { height: 34px; margin-bottom: 12px; }
@media (max-width: 1150px) { .dolby-header { display: none; } }
.footer-brand { display: flex; flex-direction: column; align-items: flex-start; }

.main-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 22px; }
.main-nav a {
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--text-mid); padding: 6px 2px;
  border-bottom: 1px solid transparent;
}
.main-nav a:hover { color: var(--text-hi); border-bottom-color: var(--amber); }
.main-nav .current-menu-item > a { color: var(--amber); border-bottom-color: var(--amber); }

.nav-toggle { display: none; background: none; border: 1px solid var(--line); color: var(--text-hi); font-family: var(--font-mono); font-size: .7rem; letter-spacing: .2em; padding: 8px 14px; cursor: pointer; }
@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .main-nav { display: none; width: 100%; }
  .main-nav.open { display: block; padding-bottom: 16px; }
  .main-nav ul { flex-direction: column; gap: 2px; }
  .main-nav a { display: block; padding: 10px 0; border-bottom: 1px solid var(--line); }
  .header-bar { flex-wrap: wrap; }
}

/* ============================================================
   HERO — vectorscope
   ============================================================ */
.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero-inner { position: relative; padding-top: clamp(70px, 12vh, 140px); padding-bottom: clamp(70px, 12vh, 140px); z-index: 2; }
.hero .meta-label { margin-bottom: 18px; display: block; }
.hero h1 { margin-bottom: .15em; }
.hero h1 .lo { color: var(--teal); }
.hero h1 .hi { color: var(--amber); }
.hero-tag { max-width: 560px; font-size: 1.05rem; color: var(--text-mid); }
.hero-actions { margin-top: 34px; display: flex; gap: 14px; flex-wrap: wrap; }

.scope { position: absolute; right: -8%; top: 50%; transform: translateY(-50%); width: min(62vw, 640px); opacity: .5; z-index: 1; pointer-events: none; }
@media (max-width: 800px) { .scope { opacity: .22; right: -30%; width: 130vw; } }
@media (prefers-reduced-motion: no-preference) {
  .scope .trace { animation: scope-drift 14s ease-in-out infinite alternate; transform-origin: 300px 300px; }
  @keyframes scope-drift { from { transform: rotate(-3deg) scale(.98); } to { transform: rotate(3deg) scale(1.02); } }
}

.btn {
  display: inline-block; font-family: var(--font-mono); font-size: .74rem;
  letter-spacing: .2em; text-transform: uppercase; padding: 14px 26px;
  border: 1px solid var(--amber); color: var(--amber); background: transparent;
  transition: background .18s ease, color .18s ease;
}
.btn:hover { background: var(--amber); color: var(--ink-0); }
.btn.btn-ghost { border-color: var(--line); color: var(--text-mid); }
.btn.btn-ghost:hover { border-color: var(--teal); color: var(--teal); background: transparent; }

/* credits strip */
.credits-strip { border-bottom: 1px solid var(--line); background: var(--ink-1); overflow: hidden; }
.credits-strip ul {
  list-style: none; display: flex; flex-wrap: wrap; gap: 10px 0;
  margin: 0; padding: 14px var(--pad); max-width: var(--wrap); margin-inline: auto;
  justify-content: space-between;
}
.credits-strip li { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .18em; color: var(--text-low); text-transform: uppercase; }
.credits-strip li::before { content: "\25AA"; color: var(--teal); margin-right: 10px; }

/* ============================================================
   SECTIONS
   ============================================================ */
.section { padding-top: clamp(60px, 9vh, 110px); padding-bottom: clamp(60px, 9vh, 110px); }
.section.alt { background: var(--ink-1); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; margin-bottom: 40px; flex-wrap: wrap; }
.section-head .meta-label { display: block; margin-bottom: 10px; }

/* ============================================================
   POSTER GRID
   ============================================================ */
.poster-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
@media (max-width: 1000px) { .poster-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 680px)  { .poster-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; } }

.poster { position: relative; aspect-ratio: 3 / 4; overflow: hidden; background: var(--ink-2); border: 1px solid var(--line); }
.poster img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease, filter .5s ease; filter: saturate(.92); }
.poster:hover img { transform: scale(1.04); filter: saturate(1.08); }
.poster .poster-info {
  position: absolute; inset: auto 0 0 0; padding: 40px 14px 12px;
  background: linear-gradient(180deg, transparent, rgba(19,21,25,.92));
  opacity: 0; transform: translateY(6px); transition: opacity .25s ease, transform .25s ease;
}
.poster:hover .poster-info, .poster:focus-within .poster-info { opacity: 1; transform: none; }
.poster .poster-title { font-family: var(--font-display); text-transform: uppercase; color: var(--text-hi); font-size: 1.15rem; letter-spacing: .04em; }
.poster .poster-meta { font-family: var(--font-mono); font-size: .62rem; letter-spacing: .2em; color: var(--amber); text-transform: uppercase; }
.poster a.poster-link { position: absolute; inset: 0; z-index: 2; }
@media (hover: none) { .poster .poster-info { opacity: 1; transform: none; } }

/* ============================================================
   SERVICES
   ============================================================ */
.services { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
@media (max-width: 1000px) { .services { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px)  { .services { grid-template-columns: 1fr; } }
.service { border: 1px solid var(--line); background: var(--ink-0); padding: 26px 22px 30px; position: relative; }
.service::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--line); transition: background .25s ease; }
.service:hover::before { background: linear-gradient(90deg, var(--teal), var(--amber)); }
.service .meta-label { display: block; margin-bottom: 14px; }
.service h3 { font-size: 1.5rem; }
.service p { font-size: .92rem; color: var(--text-mid); margin: 0; }

/* ============================================================
   ABOUT TEASER / CONTACT
   ============================================================ */
.about-split { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: start; }
@media (max-width: 860px) { .about-split { grid-template-columns: 1fr; } }
.about-split .lede { font-size: 1.25rem; color: var(--text-hi); line-height: 1.5; }

.spec-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.spec-list li { display: flex; justify-content: space-between; gap: 20px; padding: 13px 0; border-bottom: 1px solid var(--line); font-size: .92rem; }
.spec-list .k { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .18em; text-transform: uppercase; color: var(--text-low); padding-top: 3px; }
.spec-list .v { color: var(--text-hi); text-align: right; }

.contact-band { text-align: center; }
.contact-band .big-mail { font-family: var(--font-display); font-size: clamp(1.8rem, 5vw, 3.6rem); text-transform: uppercase; color: var(--text-hi); letter-spacing: .02em; }
.contact-band .big-mail:hover { color: var(--amber); }
.contact-band .meta-label { display: block; margin-bottom: 16px; }
.contact-band .phone { margin-top: 10px; font-family: var(--font-mono); font-size: .85rem; letter-spacing: .12em; color: var(--text-mid); }

/* ============================================================
   CONTENT PAGES / POSTS
   ============================================================ */
.page-hero { border-bottom: 1px solid var(--line); padding-top: clamp(50px, 8vh, 90px); padding-bottom: clamp(40px, 6vh, 70px); }
.entry-content { padding-top: 50px; padding-bottom: 80px; max-width: 820px; }
.entry-content.wide { max-width: var(--wrap); }
.entry-content h2, .entry-content h3 { margin-top: 1.6em; }
.entry-content img { border: 1px solid var(--line); margin: 1.4em 0; }
.entry-content blockquote { border-left: 3px solid var(--amber); margin: 1.6em 0; padding: .2em 0 .2em 1.2em; color: var(--text-hi); font-style: italic; }
.entry-content .wp-block-gallery, .entry-content .gallery { margin: 1.4em 0; }
.entry-content iframe { max-width: 100%; }
.entry-content ul li, .entry-content ol li { margin-bottom: .4em; }
.entry-content code { font-family: var(--font-mono); background: var(--ink-2); padding: 2px 6px; font-size: .85em; }
.alignwide { max-width: var(--wrap); }
.alignfull { max-width: none; }

/* archive lists */
.post-list { display: grid; gap: 18px; padding-top: 40px; padding-bottom: 80px; }
.post-card { border: 1px solid var(--line); background: var(--ink-1); padding: 26px; display: grid; gap: 8px; }
.post-card h3 a { color: var(--text-hi); }
.post-card h3 a:hover { color: var(--amber); }

/* pagination */
.pagination { display: flex; gap: 8px; flex-wrap: wrap; padding-bottom: 70px; }
.pagination .page-numbers { font-family: var(--font-mono); font-size: .75rem; border: 1px solid var(--line); padding: 8px 14px; color: var(--text-mid); }
.pagination .page-numbers.current { border-color: var(--amber); color: var(--amber); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { border-top: 1px solid var(--line); background: var(--ink-1); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; padding-top: 34px; padding-bottom: 34px; }
.footer-social { list-style: none; display: flex; gap: 18px; margin: 0; padding: 0; }
.footer-social a { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .2em; text-transform: uppercase; color: var(--text-mid); }
.footer-social a:hover { color: var(--amber); }
.footer-credit { font-family: var(--font-mono); font-size: .65rem; letter-spacing: .16em; color: var(--text-low); text-transform: uppercase; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* placeholder for projects without a poster yet */
.poster-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: flex-end;
  padding: 16px;
  background:
    linear-gradient(160deg, rgba(70,181,173,.12), rgba(229,161,60,.12)),
    var(--ink-2);
}
.poster-placeholder span {
  font-family: var(--font-display);
  text-transform: uppercase;
  color: var(--text-mid);
  font-size: 1.2rem;
  line-height: 1.05;
}

/* projects grid opens the homepage */
.gb-front #projects.section { padding-top: clamp(36px, 6vh, 64px); }
.gb-front .hero { border-top: 1px solid var(--line); }