/* ============================================================
   Grumpy Barrel — main.css
   ============================================================ */

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

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

/* Design tokens
   ============================================================ */
:root {
  --color-bg:        #111111;
  --color-surface:   #1a1a1a;
  --color-surface-2: #222222;
  --color-border:    #2d2d2d;
  --color-text:      #e8e8e8;
  --color-muted:     #888888;
  --color-accent:    #c8a96e;
  --color-accent-hover: #d9be8a;

  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-heading: Georgia, "Times New Roman", serif;

  --max-width: 1100px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;

  --radius: 3px;
  --transition: 0.2s ease;
}

/* Base
   ============================================================ */
body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
}

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

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: 1.25rem; }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover { color: var(--color-accent-hover); }

address { font-style: normal; }

/* Layout
   ============================================================ */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Navigation
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(17, 17, 17, 0.95);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.site-logo {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--color-text);
  letter-spacing: 0.02em;
}

.site-logo:hover { color: var(--color-accent); }

.site-nav {
  display: flex;
  gap: var(--spacing-md);
}

.site-nav a {
  color: var(--color-muted);
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color var(--transition);
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--color-text);
}

/* Hamburger toggle
   ============================================================ */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-text);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Main
   ============================================================ */
.site-main {
  min-height: calc(100vh - 60px - 140px);
}

/* Footer
   ============================================================ */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-lg) 0;
  margin-top: var(--spacing-xl);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-brand {
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--color-text);
}

.footer-tagline {
  color: var(--color-muted);
  font-size: 0.875rem;
  margin-bottom: 0;
}

.footer-nav {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.footer-nav a {
  color: var(--color-muted);
  font-size: 0.875rem;
  transition: color var(--transition);
}

.footer-nav a:hover { color: var(--color-text); }

.footer-copy {
  color: var(--color-muted);
  font-size: 0.8rem;
  margin-top: var(--spacing-sm);
  margin-bottom: 0;
}

/* Buttons
   ============================================================ */
.btn {
  display: inline-block;
  padding: 0.65rem 1.5rem;
  font-size: 0.875rem;
  font-family: var(--font-body);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: background-color var(--transition), color var(--transition), border-color var(--transition);
  cursor: pointer;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-accent);
  color: #111;
  border: 1px solid var(--color-accent);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #111;
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-text);
  color: var(--color-text);
}

/* Hero
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.65) 0%,
    rgba(0, 0, 0, 0.55) 40%,
    rgba(17, 17, 17, 0.95) 100%
  );
}

.hero .container {
  position: relative;
  z-index: 1;
  padding-top: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
}

.hero-title {
  font-size: clamp(2.5rem, 7vw, 5rem);
  margin-bottom: var(--spacing-sm);
  color: #fff;
}

.hero-tagline {
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-style: italic;
  margin-bottom: var(--spacing-md);
}

.hero-intro {
  max-width: 560px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 1.05rem;
  margin-bottom: var(--spacing-md);
}

.hero-cta {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

@media (prefers-reduced-motion: reduce) {
  .hero-video { display: none; }
  .hero { background-color: var(--color-bg); min-height: auto; padding: var(--spacing-xl) 0; }
  .hero-overlay { display: none; }
  .hero .container { padding-top: 0; padding-bottom: 0; }
  .hero-title { color: var(--color-text); }
  .hero-intro { color: var(--color-muted); }
}

/* Section titles
   ============================================================ */
.section-title {
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.section-cta {
  margin-top: var(--spacing-md);
  text-align: center;
}

/* Project grid
   ============================================================ */
.featured-work,
.projects-page {
  padding: var(--spacing-xl) 0;
}

.featured-work {
  border-bottom: 1px solid var(--color-border);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.project-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition);
}

.project-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.project-card-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.project-card-thumb {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: var(--color-surface-2);
}

.project-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.project-card:hover .project-card-thumb img {
  transform: scale(1.04);
}

.project-card-thumb--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-card-thumb--placeholder span {
  color: var(--color-muted);
  font-size: 0.8rem;
  text-align: center;
  padding: var(--spacing-sm);
}

.project-card-body {
  padding: var(--spacing-sm);
}

.project-card-title {
  font-size: 1rem;
  font-family: var(--font-body);
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--color-text);
}

.project-card-client {
  font-size: 0.8rem;
  color: var(--color-accent);
  margin-bottom: 0.2rem;
}

.project-card-category {
  font-size: 0.75rem;
  color: var(--color-muted);
  margin-bottom: 0.5rem;
}

.project-card-desc {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 0;
}

.badge {
  display: inline-block;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.15rem 0.5rem;
  background-color: var(--color-accent);
  color: #111;
  border-radius: var(--radius);
  margin-bottom: 0.4rem;
}

/* Clients strip
   ============================================================ */
.clients {
  padding: var(--spacing-lg) 0;
  border-bottom: 1px solid var(--color-border);
}

.clients--about {
  border-top: 1px solid var(--color-border);
  margin-top: var(--spacing-xl);
}

.clients-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-muted);
  text-align: center;
  margin-bottom: var(--spacing-sm);
  padding: 0 var(--spacing-md);
}

.clients-marquee {
  display: flex;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
}

.clients-marquee:hover .clients-track {
  animation-play-state: paused;
}

.clients-track {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  animation: marquee 28s linear infinite;
}

.clients-track > span {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  color: var(--color-muted);
  white-space: nowrap;
  padding: 0 1.75rem;
}

.clients-track > span::after {
  content: '·';
  margin-left: 1.75rem;
  color: var(--color-border);
  font-family: var(--font-body);
}

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-100%); }
}

@media (prefers-reduced-motion: reduce) {
  .clients-track { animation: none; }
}

/* Services
   ============================================================ */
.services {
  padding: var(--spacing-xl) 0;
  border-bottom: 1px solid var(--color-border);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.service-item h3 {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  margin-bottom: var(--spacing-xs);
}

.service-item p {
  font-size: 0.9rem;
  color: var(--color-muted);
}

/* About teaser
   ============================================================ */
.about-teaser {
  padding: var(--spacing-xl) 0;
  border-bottom: 1px solid var(--color-border);
}

.about-teaser-inner {
  max-width: 640px;
}

.about-teaser-inner h2 {
  margin-bottom: var(--spacing-sm);
}

.about-teaser-inner p {
  color: var(--color-muted);
  margin-bottom: var(--spacing-md);
}

/* Contact CTA
   ============================================================ */
.contact-cta {
  padding: var(--spacing-xl) 0;
}

.contact-cta-inner {
  text-align: center;
  max-width: 520px;
  margin: 0 auto;
}

.contact-cta-inner h2 {
  margin-bottom: var(--spacing-sm);
}

.contact-cta-inner p {
  color: var(--color-muted);
  margin-bottom: var(--spacing-md);
}

/* Page layouts
   ============================================================ */
.page-content {
  padding: var(--spacing-xl) 0;
}

.page-header {
  margin-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--spacing-md);
}

.page-header h1 {
  margin-bottom: var(--spacing-xs);
}

.page-intro {
  color: var(--color-muted);
  font-size: 1.05rem;
  max-width: 560px;
}

/* Prose
   ============================================================ */
.prose {
  max-width: 680px;
  margin-bottom: var(--spacing-lg);
}

.prose h2 {
  font-size: 1.4rem;
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.prose h2:first-child {
  margin-top: 0;
}

.prose p {
  color: var(--color-muted);
  line-height: 1.75;
}

.prose strong {
  color: var(--color-text);
  font-weight: 600;
}

.about-contact {
  margin-top: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.about-contact p {
  color: var(--color-muted);
  margin-bottom: 0;
}

/* Contact page
   ============================================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-item h3 {
  font-family: var(--font-body);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted);
  margin-bottom: var(--spacing-xs);
}

.contact-item a,
.contact-item address {
  color: var(--color-text);
  font-size: 1rem;
  line-height: 1.7;
}

.contact-item a:hover {
  color: var(--color-accent);
}

.contact-cta-block {
  padding-top: var(--spacing-md);
}

.contact-cta-block p {
  color: var(--color-muted);
  margin-bottom: var(--spacing-md);
}

/* Project single page
   ============================================================ */
.project-single {
  padding: var(--spacing-lg) 0 var(--spacing-xl);
}

.back-link {
  display: inline-block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-muted);
  margin-bottom: var(--spacing-md);
  transition: color var(--transition);
}

.back-link:hover { color: var(--color-text); }

.project-header {
  margin-bottom: var(--spacing-lg);
}

.project-title {
  margin-bottom: var(--spacing-sm);
}

.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.project-client {
  color: var(--color-accent);
  font-size: 0.9rem;
}

.project-category {
  color: var(--color-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.project-date {
  color: var(--color-muted);
  font-size: 0.8rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag {
  display: inline-block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-muted);
}

.project-video {
  margin-bottom: var(--spacing-lg);
}

.project-thumb {
  margin-bottom: var(--spacing-lg);
}

.project-thumb img {
  width: 100%;
  border-radius: var(--radius);
}

.project-body {
  max-width: 680px;
  margin-bottom: var(--spacing-lg);
}

.project-description {
  font-size: 1.05rem;
  color: var(--color-muted);
  line-height: 1.75;
}

.project-cta {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

/* Responsive video embed (16:9)
   ============================================================ */
.video-wrapper {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  background-color: var(--color-surface-2);
  border-radius: var(--radius);
}

.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* Figures
   ============================================================ */
.figure {
  margin: var(--spacing-md) 0;
}

.figure img {
  border-radius: var(--radius);
}

.figure figcaption {
  margin-top: var(--spacing-xs);
  font-size: 0.8rem;
  color: var(--color-muted);
}

.figure-xs { max-width: 200px; }
.figure-sm { max-width: 400px; }
.figure-md { max-width: 600px; }
.figure-lg { max-width: 900px; }

/* Infinite scroll sentinel
   ============================================================ */
.scroll-sentinel {
  display: flex;
  justify-content: center;
  padding: var(--spacing-lg) 0;
  min-height: 60px;
}

.scroll-sentinel-spinner {
  display: none;
  width: 24px;
  height: 24px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.scroll-sentinel.is-loading .scroll-sentinel-spinner {
  display: block;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* 404 page
   ============================================================ */
.error-page {
  text-align: center;
  padding: var(--spacing-xl) 0;
}

.error-code {
  font-size: clamp(4rem, 15vw, 8rem);
  color: var(--color-border);
  line-height: 1;
  margin-bottom: var(--spacing-sm);
}

.error-page h2 {
  margin-bottom: var(--spacing-sm);
}

.error-page p {
  color: var(--color-muted);
  margin-bottom: var(--spacing-md);
}

.error-nav {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
}

/* Responsive — tablet (max 900px)
   ============================================================ */
@media (max-width: 900px) {
  .project-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
}

/* Responsive — mobile (max 600px)
   ============================================================ */
@media (max-width: 600px) {
  :root {
    --spacing-xl: 3.5rem;
    --spacing-lg: 2.5rem;
  }

  .clients-track > span {
    padding: 0 0.9rem;
    font-size: 0.95rem;
  }

  .clients-track > span::after {
    margin-left: 0.9rem;
  }

  .container {
    padding: 0 var(--spacing-sm);
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background-color: rgba(17, 17, 17, 0.98);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: var(--spacing-sm) var(--spacing-md);
    gap: var(--spacing-sm);
  }

  .site-nav.is-open {
    display: flex;
  }

  .project-grid {
    grid-template-columns: 1fr;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .hero-cta {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-nav {
    gap: var(--spacing-sm);
  }

  .about-teaser-inner {
    max-width: 100%;
  }

  .about-contact {
    flex-direction: column;
    align-items: flex-start;
  }

  .project-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.3rem;
  }
}