/*
Theme Name: Spitfire EV
Theme URI: https://github.com/spitfire-ev
Author: Spitfire EV Project
Description: A retro-classic theme for the Triumph Spitfire EV conversion project. Inspired by 1960s British motorsport heritage.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 8.0
License: GNU General Public License v2 or later
Text Domain: spitfire-ev
*/

/* ============================================================
   CSS VARIABLES — Retro British Racing Palette
   ============================================================ */
:root {
  --cream:        #F5F0E8;
  --parchment:    #EDE5D0;
  --dark-green:   #1B3A2D;
  --racing-green: #2D5A3D;
  --gold:         #C9A84C;
  --gold-light:   #E8C96A;
  --burgundy:     #6B2737;
  --charcoal:     #1A1A1A;
  --mid-grey:     #4A4A4A;
  --light-grey:   #9A9A9A;
  --border:       #C8B89A;

  --font-display: 'Playfair Display', 'Georgia', serif;
  --font-mono:    'Courier Prime', 'Courier New', monospace;
  --font-body:    'EB Garamond', 'Georgia', serif;

  --max-width: 1100px;
  --section-pad: 80px;
}

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

html { scroll-behavior: smooth; }

body {
  background-color: var(--cream);
  color: var(--charcoal);
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.75;
  overflow-x: hidden;
}

/* Noise texture overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: 0.4;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--racing-green); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--gold); }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--dark-green);
}

p { margin-bottom: 1.2em; }
p:last-child { margin-bottom: 0; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================================
   DECORATIVE ELEMENTS
   ============================================================ */
.rule {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 0 0 32px;
}
.rule::before,
.rule::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--gold);
  opacity: 0.5;
}
.rule-text {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}

.section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  display: block;
  margin-bottom: 12px;
}

/* ============================================================
   HEADER & NAVIGATION
   ============================================================ */
.site-header {
  background-color: var(--dark-green);
  border-bottom: 3px solid var(--gold);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.site-branding {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.brand-badge {
  width: 42px;
  height: 42px;
  border: 2px solid var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  flex-shrink: 0;
}

.site-title-text {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--cream);
  line-height: 1.1;
}

.site-title-text span {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--gold);
  font-weight: 400;
  text-transform: uppercase;
}

/* Nav */
.primary-nav ul {
  list-style: none;
  display: flex;
  gap: 4px;
}

.primary-nav a {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cream);
  opacity: 0.8;
  padding: 8px 14px;
  border: 1px solid transparent;
  border-radius: 2px;
  transition: all 0.2s;
}

.primary-nav a:hover,
.primary-nav .current-menu-item a {
  color: var(--gold);
  border-color: var(--gold);
  opacity: 1;
  background: rgba(201,168,76,0.08);
}

/* Mobile hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--gold);
  color: var(--gold);
  cursor: pointer;
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}

/* ============================================================
   HERO
   ============================================================ */
.site-hero {
  background: var(--dark-green);
  color: var(--cream);
  min-height: 520px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

/* Vintage halftone-style bg decoration */
.site-hero::before {
  content: '';
  position: absolute;
  right: -100px;
  top: -100px;
  width: 600px;
  height: 600px;
  border: 1px solid rgba(201,168,76,0.15);
  border-radius: 50%;
}
.site-hero::after {
  content: '';
  position: absolute;
  right: -60px;
  top: -60px;
  width: 480px;
  height: 480px;
  border: 1px solid rgba(201,168,76,0.1);
  border-radius: 50%;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.hero-eyebrow::before {
  content: '';
  display: inline-block;
  width: 30px;
  height: 1px;
  background: var(--gold);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 62px);
  font-weight: 700;
  color: var(--cream);
  line-height: 1.05;
  margin-bottom: 24px;
}

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

.hero-tagline {
  font-size: 18px;
  color: rgba(245,240,232,0.75);
  line-height: 1.7;
  margin-bottom: 36px;
  font-family: var(--font-body);
}

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

.btn-primary {
  display: inline-block;
  background: var(--gold);
  color: var(--dark-green);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 14px 28px;
  font-weight: 700;
  border: 2px solid var(--gold);
  transition: all 0.2s;
}
.btn-primary:hover {
  background: transparent;
  color: var(--gold);
}

.btn-secondary {
  display: inline-block;
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 14px 28px;
  border: 2px solid rgba(245,240,232,0.3);
  transition: all 0.2s;
}
.btn-secondary:hover {
  border-color: var(--cream);
  color: var(--cream);
}

/* Hero image panel */
.hero-image-panel {
  position: relative;
}

.hero-image-frame {
  position: relative;
  border: 2px solid var(--gold);
  padding: 8px;
}

.hero-image-frame::before {
  content: '';
  position: absolute;
  inset: -8px;
  border: 1px solid rgba(201,168,76,0.3);
  pointer-events: none;
}

.hero-image-frame img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  filter: sepia(20%) contrast(1.05);
}

.hero-plate {
  position: absolute;
  bottom: -20px;
  right: 20px;
  background: var(--gold);
  color: var(--dark-green);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 8px 16px;
  font-weight: 700;
}

/* Hero placeholder when no image */
.hero-placeholder {
  width: 100%;
  height: 320px;
  background: rgba(255,255,255,0.05);
  border: 2px dashed rgba(201,168,76,0.4);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: rgba(201,168,76,0.6);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-align: center;
  gap: 8px;
}

/* ============================================================
   QUICK STATS BAR
   ============================================================ */
.stats-bar {
  background: var(--charcoal);
  border-bottom: 2px solid var(--gold);
}

.stats-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.stat-item {
  padding: 24px 20px;
  border-right: 1px solid rgba(255,255,255,0.07);
  text-align: center;
}
.stat-item:last-child { border-right: none; }

.stat-value {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--light-grey);
}

/* ============================================================
   PAGE SECTIONS — OVERVIEW
   ============================================================ */
.overview-section {
  padding: var(--section-pad) 0;
  background: var(--cream);
}

.overview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.overview-text h2 {
  font-size: 38px;
  margin-bottom: 24px;
}

.overview-text p {
  color: var(--mid-grey);
  font-size: 17px;
}

.overview-image {
  position: relative;
}

.overview-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border: 1px solid var(--border);
}

.overview-image::after {
  content: '';
  position: absolute;
  inset: 8px;
  border: 1px solid var(--gold);
  pointer-events: none;
  opacity: 0.4;
}

/* ============================================================
   TIMELINE
   ============================================================ */
.timeline-section {
  padding: var(--section-pad) 0;
  background: var(--parchment);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.timeline-section h2 {
  font-size: 38px;
  margin-bottom: 8px;
}

.section-intro {
  color: var(--mid-grey);
  font-size: 17px;
  margin-bottom: 48px;
  max-width: 560px;
}

.timeline-track {
  position: relative;
  padding-left: 40px;
}

.timeline-track::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--gold) 0%, rgba(201,168,76,0.2) 100%);
}

.timeline-entry {
  position: relative;
  margin-bottom: 48px;
  background: var(--cream);
  border: 1px solid var(--border);
  padding: 28px 32px;
}

.timeline-entry::before {
  content: '';
  position: absolute;
  left: -35px;
  top: 28px;
  width: 12px;
  height: 12px;
  background: var(--gold);
  border-radius: 50%;
  border: 2px solid var(--cream);
  box-shadow: 0 0 0 2px var(--gold);
}

.timeline-entry::after {
  content: '';
  position: absolute;
  left: -24px;
  top: 33px;
  width: 24px;
  height: 1px;
  background: var(--gold);
  opacity: 0.5;
}

.entry-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}

.entry-date {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--gold);
  text-transform: uppercase;
}

.entry-phase {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--dark-green);
  color: var(--cream);
  padding: 3px 10px;
}

.timeline-entry h3 {
  font-size: 20px;
  margin-bottom: 10px;
  color: var(--dark-green);
}

.timeline-entry p {
  font-size: 16px;
  color: var(--mid-grey);
  margin: 0;
}

.timeline-entry .entry-image {
  display: block;
  width: 100%;
  height: auto;
  max-height: none;
  object-fit: contain;
  margin-top: 20px;
  border: 1px solid var(--border);
}

.timeline-entry {
  overflow: visible;
}

.timeline-placeholder {
  margin-top: 16px;
  height: 140px;
  background: var(--parchment);
  border: 1px dashed var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--light-grey);
  text-transform: uppercase;
}

/* ============================================================
   GALLERY
   ============================================================ */
.gallery-section {
  padding: var(--section-pad) 0;
  background: var(--cream);
}

.gallery-section h2 {
  font-size: 38px;
  margin-bottom: 8px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 40px;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  cursor: pointer;
  aspect-ratio: 4/3;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: sepia(10%) contrast(1.05);
  transition: transform 0.4s ease, filter 0.4s;
}

.gallery-item:hover img {
  transform: scale(1.04);
  filter: sepia(0%) contrast(1.1);
}

.gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(27,58,45,0.9));
  color: var(--cream);
  padding: 32px 16px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0;
  transition: opacity 0.3s;
}

.gallery-item:hover .gallery-caption {
  opacity: 1;
}

.gallery-placeholder {
  aspect-ratio: 4/3;
  background: var(--parchment);
  border: 1px dashed var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--light-grey);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-align: center;
  padding: 20px;
}

/* ============================================================
   TECHNICAL SPECS
   ============================================================ */
.specs-section {
  padding: var(--section-pad) 0;
  background: var(--dark-green);
  color: var(--cream);
}

.specs-section h2 {
  font-size: 38px;
  color: var(--cream);
  margin-bottom: 8px;
}

.specs-section .section-intro {
  color: rgba(245,240,232,0.65);
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.spec-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(201,168,76,0.25);
  padding: 28px 32px;
}

.spec-card-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.spec-card-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(201,168,76,0.3);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
}

.spec-table tr {
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.spec-table tr:last-child { border-bottom: none; }

.spec-table td {
  padding: 10px 0;
  font-size: 15px;
  vertical-align: top;
}

.spec-table td:first-child {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--light-grey);
  width: 45%;
  letter-spacing: 0.05em;
}

.spec-table td:last-child {
  color: var(--cream);
  font-weight: 500;
}

/* ============================================================
   LIGHTBOX
   ============================================================ */
.lightbox-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}
.lightbox-overlay.active { display: flex; }

.lightbox-img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border: 2px solid var(--gold);
}

.lightbox-close {
  position: fixed;
  top: 24px;
  right: 32px;
  color: var(--cream);
  font-size: 32px;
  cursor: pointer;
  font-family: var(--font-mono);
  background: none;
  border: none;
  opacity: 0.7;
}
.lightbox-close:hover { opacity: 1; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--charcoal);
  color: rgba(245,240,232,0.5);
  padding: 48px 0 24px;
  border-top: 2px solid var(--gold);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .site-title-text {
  color: var(--cream);
  font-size: 18px;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  margin: 0;
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}

.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul a {
  color: rgba(245,240,232,0.5);
  font-size: 15px;
  transition: color 0.2s;
}
.footer-col ul a:hover { color: var(--gold); }

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 24px 24px 0;
  border-top: 1px solid rgba(255,255,255,0.07);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.footer-bottom a {
  color: var(--gold);
  opacity: 0.7;
  font-size: 11px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-image-panel { order: -1; }
  .overview-grid { grid-template-columns: 1fr; }
  .specs-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 600px) {
  :root { --section-pad: 52px; }
  .primary-nav { display: none; }
  .primary-nav.open { display: flex; flex-direction: column; position: fixed; inset: 70px 0 0; background: var(--dark-green); padding: 24px; z-index: 99; }
  .primary-nav.open ul { flex-direction: column; gap: 0; }
  .primary-nav.open a { display: block; padding: 16px 0; border: none; border-bottom: 1px solid rgba(255,255,255,0.07); font-size: 16px; }
  .nav-toggle { display: block; }
  .gallery-grid { grid-template-columns: 1fr; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}