@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600&family=Playfair+Display:ital,wght@0,400;0,600;1,400&family=Roboto+Mono:wght@400;500&display=swap');

:root {
  /* "ATLAS SIGNAL" Palette */
  --ink: #101820;
  --slate: #1B2933;
  --paper: #F1EEE5;
  --canvas: #E3DAC9;
  --blue: #2D6F8E;
  --vermilion: #C9563D;
  --moss: #68765D;
  --brass: #B58B4B;
  --ice: #DDE8E8;
  --white: #FFFFFF;
  --text-light: #17232B;
  --text-sec: #687178;

  /* Typography */
  --font-display: 'Playfair Display', serif;
  --font-interface: 'Inter', sans-serif;
  --font-mono: 'Roboto Mono', monospace;

  /* Spacing */
  --sp-xs: 0.5rem;
  --sp-s: 1rem;
  --sp-m: 2rem;
  --sp-l: 4rem;
  --sp-xl: 8rem;

  /* Grain overlay */
  --grain: url('data:image/svg+xml;utf8,%3Csvg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"%3E%3Cfilter id="noiseFilter"%3E%3CfeTurbulence type="fractalNoise" baseFrequency="0.65" numOctaves="3" stitchTiles="stitch"/%3E%3C/filter%3E%3Crect width="100%25" height="100%25" filter="url(%23noiseFilter)" opacity="0.05"/%3E%3C/svg%3E');
}

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

body {
  font-family: var(--font-interface);
  background-color: var(--paper);
  color: var(--text-light);
  line-height: 1.5;
  position: relative;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body::after {
  content: "";
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  pointer-events: none;
  background-image: var(--grain);
  z-index: 9999;
  opacity: 0.8;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.1;
}

/* Typography Utilities */
.mono-label {
  font-family: var(--font-mono);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--text-sec);
}

.title-large {
  font-size: clamp(3rem, 6vw, 6rem);
}

.title-medium {
  font-size: clamp(2rem, 4vw, 4rem);
}

/* Top Coordinate Strip */
.top-strip {
  display: flex;
  justify-content: space-between;
  padding: var(--sp-xs) var(--sp-m);
  background-color: var(--ink);
  color: var(--white);
  border-bottom: 1px solid var(--slate);
}

.top-strip-center {
  display: block;
}

@media (max-width: 768px) {
  .top-strip-center { display: none; }
}

/* Header */
.site-header {
  display: flex;
  align-items: center;
  padding: var(--sp-s) var(--sp-m);
  background-color: var(--paper);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(27, 41, 51, 0.1);
}

.header-left {
  flex: 0 0 auto;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
}

.header-center {
  flex: 1;
  height: 1px;
  background-color: var(--text-light);
  margin: 0 var(--sp-m);
  opacity: 0.2;
}

.header-right button {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: var(--sp-xs);
}

.header-right button:hover {
  color: var(--blue);
}

/* Navigation Panel */
.nav-panel {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 400px;
  height: 100vh;
  background-color: var(--ink);
  color: var(--paper);
  z-index: 1000;
  transition: right 0.4s cubic-bezier(0.77, 0, 0.175, 1);
  display: flex;
  flex-direction: column;
  padding: var(--sp-m);
  border-left: 1px solid var(--slate);
}

.nav-panel.is-open {
  right: 0;
}

.nav-header {
  display: flex;
  justify-content: flex-end;
  margin-bottom: var(--sp-l);
}

.close-nav {
  background: none;
  border: none;
  color: var(--paper);
  cursor: pointer;
}

.main-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--sp-m);
}

.main-nav a {
  font-family: var(--font-display);
  font-size: 2.5rem;
  position: relative;
  width: fit-content;
}

.main-nav a:hover, .main-nav a:focus-visible {
  color: var(--brass);
}

.legal-nav {
  display: flex;
  gap: var(--sp-s);
  border-top: 1px solid var(--slate);
  padding-top: var(--sp-s);
}

/* Homepage Grid */
.home-container {
  padding: var(--sp-m);
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--sp-m);
}

/* Hero & Index */
.hero-module {
  grid-column: 1 / 9;
  position: relative;
  min-height: 80vh;
  background-color: var(--slate);
  clip-path: polygon(0 0, 100% 0, 100% 85%, 85% 100%, 0 100%);
  display: flex;
  align-items: flex-end;
  padding: var(--sp-l);
}

.hero-image {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.7;
  mix-blend-mode: luminosity;
}

.hero-content {
  position: relative;
  z-index: 2;
  color: var(--white);
  max-width: 600px;
}

.hero-content h1 {
  margin: var(--sp-s) 0;
}

.index-module {
  grid-column: 9 / 13;
  background-color: var(--canvas);
  padding: var(--sp-l) var(--sp-m);
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(27, 41, 51, 0.1);
}

.index-list {
  list-style: none;
  margin: var(--sp-m) 0;
  flex: 1;
}

.index-list li {
  margin-bottom: var(--sp-m);
  padding-bottom: var(--sp-s);
  border-bottom: 1px solid rgba(27, 41, 51, 0.1);
}

.index-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  display: block;
}

.btn-primary {
  display: inline-block;
  background-color: var(--ink);
  color: var(--paper);
  padding: 1rem 2rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  font-size: 0.875rem;
  text-align: center;
  border: 1px solid var(--ink);
}

.btn-primary:hover {
  background-color: transparent;
  color: var(--ink);
}

.microcopy {
  font-size: 0.75rem;
  color: var(--text-sec);
  margin-top: var(--sp-m);
}

/* Fixture Modules - Shared */
.fixture-module {
  position: relative;
  border: 1px solid rgba(27, 41, 51, 0.1);
  background-color: var(--white);
  overflow: hidden;
}

.fixture-module img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.flag-icon {
  width: 24px;
  height: 16px;
  object-fit: cover;
  display: inline-block;
  vertical-align: middle;
  border: 1px solid rgba(0,0,0,0.1);
  margin: 0 4px;
}

/* Fixture 01 (Horizontal) */
.qf-01 {
  grid-column: 1 / 9;
  display: flex;
  height: 400px;
  margin-top: var(--sp-l);
}

.qf-01::after {
  content: '';
  position: absolute;
  top: 50%; left: 0; right: 0;
  height: 1px;
  background-color: var(--blue);
  z-index: 10;
}

.qf-01 .oversized-number {
  flex: 0 0 15%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 8rem;
  color: var(--ice);
  background-color: var(--ink);
}

.qf-01 .img-container {
  flex: 1;
  position: relative;
}

.qf-01 .content {
  flex: 0 0 35%;
  padding: var(--sp-m);
  display: flex;
  flex-direction: column;
  justify-content: center;
  background-color: var(--paper);
}

/* Fixture 02 (Portrait) */
.qf-02 {
  grid-column: 8 / 13;
  grid-row: 2 / 4;
  height: 600px;
  display: flex;
  flex-direction: column;
  margin-top: calc(var(--sp-xl) * -1);
  z-index: 5;
  border-left: 2px solid var(--vermilion);
}

.qf-02 .vertical-date {
  position: absolute;
  left: var(--sp-s);
  top: var(--sp-m);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  z-index: 2;
}

.qf-02 .img-container {
  flex: 1;
}

.qf-02 .content {
  padding: var(--sp-m);
  background-color: var(--canvas);
  position: relative;
}

.qf-02 .time-corner {
  position: absolute;
  bottom: var(--sp-m);
  right: var(--sp-m);
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--vermilion);
}

/* Fixture 03 (Ultra-wide) */
.qf-03 {
  grid-column: 2 / 12;
  height: 500px;
  margin-top: var(--sp-l);
  display: grid;
  grid-template-columns: 1fr 1fr;
  background-color: var(--slate);
  color: var(--white);
}

.qf-03 .img-container {
  opacity: 0.6;
}

.qf-03 .content {
  padding: var(--sp-l);
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
}

.qf-03 .bg-type {
  position: absolute;
  top: -20px; right: 20px;
  font-size: 15rem;
  font-family: var(--font-display);
  color: rgba(255,255,255,0.05);
  line-height: 1;
}

.qf-03 .time-block {
  margin-top: var(--sp-m);
  padding: var(--sp-s);
  background-color: var(--blue);
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  width: fit-content;
}

/* Date Field Section */
.date-field {
  grid-column: 1 / 13;
  padding: var(--sp-xl) 0;
  display: flex;
  justify-content: space-between;
  border-top: 1px solid rgba(27, 41, 51, 0.2);
  margin-top: var(--sp-xl);
}

.date-column {
  position: relative;
  padding: var(--sp-m);
}

.date-bg {
  position: absolute;
  top: -40px; left: 0;
  font-size: 8rem;
  font-family: var(--font-display);
  color: rgba(27, 41, 51, 0.05);
  z-index: -1;
  line-height: 1;
}

/* Atlas Key Section */
.atlas-key {
  grid-column: 3 / 11;
  padding: var(--sp-xl) 0;
  text-align: center;
}

.key-legend {
  display: flex;
  justify-content: center;
  gap: var(--sp-l);
  margin: var(--sp-m) 0;
  text-align: left;
}

/* Fixtures Page - Vertical Index */
.index-sheet {
  max-width: 800px;
  margin: var(--sp-xl) auto;
  padding: 0 var(--sp-m);
  position: relative;
}

.index-sheet::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0; left: var(--sp-m);
  width: 1px;
  background-color: var(--ink);
}

.index-branch {
  position: relative;
  padding-left: var(--sp-l);
  margin-bottom: var(--sp-xl);
}

.index-branch::before {
  content: '';
  position: absolute;
  top: 1.5rem; left: 0;
  width: 2rem;
  height: 1px;
  background-color: var(--ink);
}

.index-code {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--moss);
  margin-bottom: var(--sp-xs);
}

.index-branch h2 {
  font-size: 3rem;
}

/* Dedicated Fixture Pages */
.fixture-page-hero {
  height: 60vh;
  background-color: var(--slate);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  text-align: center;
}

.fixture-page-hero img {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.4;
  z-index: 1;
}

.fixture-page-content {
  position: relative;
  z-index: 2;
}

.fixture-metadata {
  max-width: 600px;
  margin: var(--sp-xl) auto;
  padding: var(--sp-m);
  background-color: var(--white);
  border: 1px solid rgba(27, 41, 51, 0.1);
  text-align: center;
}

.meta-row {
  display: flex;
  justify-content: space-between;
  padding: var(--sp-s) 0;
  border-bottom: 1px solid rgba(27, 41, 51, 0.1);
}

.meta-row:last-child {
  border-bottom: none;
}

/* Text Pages (About, Guide, Legal) */
.text-page-container {
  max-width: 800px;
  margin: var(--sp-xl) auto;
  padding: 0 var(--sp-m);
}

.text-page-container h1 {
  margin-bottom: var(--sp-l);
  border-bottom: 2px solid var(--ink);
  padding-bottom: var(--sp-s);
}

.text-page-container h2 {
  margin-top: var(--sp-l);
  margin-bottom: var(--sp-s);
}

.text-page-container p {
  margin-bottom: var(--sp-m);
  color: var(--text-sec);
  font-size: 1.125rem;
}

.diagram-box {
  border: 1px solid var(--ink);
  padding: var(--sp-m);
  margin: var(--sp-m) 0;
  font-family: var(--font-mono);
  background-color: var(--canvas);
}

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--sp-m);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--sp-xs);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: var(--sp-s);
  border: 1px solid rgba(27, 41, 51, 0.2);
  background-color: var(--white);
  font-family: var(--font-interface);
  font-size: 1rem;
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

/* Footer */
.site-footer {
  background-color: var(--ink);
  color: var(--paper);
  padding: var(--sp-xl) var(--sp-m) var(--sp-m);
  margin-top: var(--sp-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--sp-m);
  margin-bottom: var(--sp-l);
}

.footer-left { grid-column: 1 / 5; }
.footer-center { grid-column: 6 / 9; display: flex; flex-direction: column; gap: var(--sp-xs); }
.footer-right { grid-column: 10 / 13; display: flex; flex-direction: column; gap: var(--sp-xs); align-items: flex-end;}

.footer-bottom {
  border-top: 1px solid rgba(241, 238, 229, 0.2);
  padding-top: var(--sp-m);
  font-size: 0.75rem;
  color: var(--text-sec);
  text-align: center;
}

footer a, footer a:visited {
  color: inherit;
  text-decoration: none;
}

footer a:hover, footer a:focus-visible {
  color: var(--brass);
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: var(--sp-m);
  left: var(--sp-m);
  right: var(--sp-m);
  max-width: 600px;
  background-color: var(--white);
  border: 1px solid var(--ink);
  padding: var(--sp-m);
  z-index: 9000;
  display: none;
  box-shadow: 10px 10px 0px 0px rgba(16,24,32,0.1);
}

.cookie-banner.is-visible {
  display: block;
}

.cookie-buttons {
  display: flex;
  gap: var(--sp-s);
  margin-top: var(--sp-m);
  flex-wrap: wrap;
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--ink);
  padding: 0.5rem 1rem;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.btn-secondary:hover {
  background: var(--ink);
  color: var(--white);
}

/* Focus States */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--vermilion);
  outline-offset: 2px;
}

/* Responsive */
@media (max-width: 1200px) {
  .qf-01 { grid-column: 1 / 10; }
  .qf-02 { grid-column: 7 / 13; }
}

@media (max-width: 900px) {
  .home-container {
    display: flex;
    flex-direction: column;
  }
  .hero-module, .index-module, .qf-01, .qf-02, .qf-03 {
    margin-top: 0;
    width: 100%;
    height: auto;
    clip-path: none;
    border-left: none;
  }
  .qf-01, .qf-03 {
    flex-direction: column;
  }
  .qf-03 {
    grid-template-columns: 1fr;
  }
  .qf-01 .oversized-number { padding: var(--sp-m); }
  .date-field {
    flex-direction: column;
    gap: var(--sp-l);
  }
  .footer-grid {
    display: flex;
    flex-direction: column;
  }
  .footer-right { align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}