:root {
  --color-bg: #070402;
  --color-bg-elevated: #140b07;
  --color-bg-elevated-2: #1f120a;
  --color-fg: #F6F1EA;
  --color-fg-muted: rgba(246, 241, 234, 0.72);
  --color-fg-faint: rgba(246, 241, 234, 0.5);

  --color-primary: #C7360D;
  --color-accent: #FF7A1A;
  --color-accent-dark: #E85E0F;
  --color-deep: #E2320F;
  --gradient-accent: linear-gradient(120deg, #FF9100 0%, #FF7A1A 45%, #E2320F 100%);

  --color-border: rgba(246, 241, 234, 0.12);
  --color-border-strong: rgba(246, 241, 234, 0.24);

  --font-display: 'Lexend', sans-serif;
  --font-body: 'Source Sans 3', sans-serif;

  --max-width: 1240px;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4rem;
  --space-7: 6rem;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  --transition: 220ms ease;
  --shadow-md: 0 20px 60px rgba(0, 0, 0, 0.45);
}

@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;
  }
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--color-fg);
  line-height: 1.6;
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

h1, h2, h3 {
  font-family: var(--font-display);
  color: var(--color-fg);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.01em;
}

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

a {
  text-decoration: none;
  color: inherit;
}

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

button {
  font-family: inherit;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--color-accent);
  color: var(--color-bg);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  z-index: 1000;
  font-weight: 600;
  transition: top var(--transition);
}

.skip-link:focus {
  top: 1rem;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

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

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin-bottom: var(--space-5);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.9rem 2rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), transform var(--transition), color var(--transition);
}

.btn-accent {
  background: var(--color-accent);
  color: var(--color-bg);
}

.btn-accent:hover {
  background: var(--color-accent-dark);
}

.btn:disabled {
  opacity: 0.6;
  cursor: default;
  transform: none;
}

.btn-ghost {
  background: transparent;
  border-color: var(--color-border-strong);
  color: var(--color-fg);
}

.btn-ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.hero-actions .btn:active,
.contact-form .btn:active {
  transform: scale(0.97);
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  padding: 1rem 0;
  background: linear-gradient(180deg, rgba(7, 4, 2, 0.85), transparent);
  transition: background var(--transition), padding var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}

.site-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
}

.site-header.scrolled {
  background: rgba(7, 4, 2, 0.95);
  backdrop-filter: blur(8px);
  border-bottom-color: var(--color-border);
  padding: 0.6rem 0;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-fg);
  white-space: nowrap;
}

.logo-mark {
  display: block;
  height: 34px;
  width: auto;
}

.logo span {
  display: block;
  color: var(--color-accent);
  font-size: 0.75em;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--space-4);
}

.nav-links a {
  position: relative;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-fg-muted);
  padding: 0.5rem 0;
  transition: color var(--transition);
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-fg);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}

.nav-cta {
  padding: 0.65rem 1.4rem;
  min-height: 40px;
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-fg);
  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);
}

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

.hero-media {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(7, 4, 2, 0.35) 0%, rgba(7, 4, 2, 0.65) 55%, var(--color-bg) 100%),
    radial-gradient(120% 90% at 50% 0%, rgba(226, 50, 15, 0.3), transparent 60%),
    url('../images/hero.jpg') center/cover no-repeat,
    linear-gradient(135deg, #1f120a 0%, #070402 65%);
  z-index: -1;
}

.hero-content {
  padding-top: 6rem;
  padding-bottom: 4rem;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  max-width: 16ch;
  margin-bottom: var(--space-3);
}

.hero h1 span {
  color: var(--color-accent);
}

.hero-lead {
  max-width: 46ch;
  font-size: 1.05rem;
  margin-bottom: var(--space-4);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: var(--space-4);
  transform: translateX(-50%);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-fg-muted);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  animation: bob 2.2s ease-in-out infinite;
}

.scroll-cue svg {
  width: 20px;
  height: 20px;
}

@keyframes bob {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 8px); }
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* About */
.about {
  padding: var(--space-7) 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-6);
  align-items: start;
}

.about-intro h2 {
  font-size: clamp(1.75rem, 3vw, 2.75rem);
  margin-bottom: var(--space-3);
}

.about-copy {
  max-width: 52ch;
}

.about-pillars {
  display: grid;
  gap: var(--space-5);
}

.pillar {
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
}

.pillar h3 {
  font-size: 1.15rem;
  margin-bottom: var(--space-1);
  color: var(--color-accent);
}

/* Services */
.services {
  padding: var(--space-5) 0;
  background: var(--color-bg-elevated);
  overflow: hidden;
}

.services .eyebrow.center,
.services .section-title.center {
  text-align: center;
}

.services .section-title {
  margin-bottom: var(--space-4);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(3, 170px) 100px;
}

.service-panel {
  position: relative;
  overflow: hidden;
  background-color: var(--color-bg-elevated-2);
  background-size: cover;
  background-position: center;
  cursor: pointer;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.service-panel:nth-child(2n) {
  border-right: none;
}

.service-panel:last-child {
  grid-column: 1 / -1;
  border-right: none;
  border-bottom: none;
}

.service-media {
  position: absolute;
  inset: -4%;
  background: inherit;
  background-size: cover;
  background-position: center;
  transition: transform 500ms ease;
}

.service-panel:hover .service-media {
  transform: scale(1.08);
}

.service-panel::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 4, 2, 0.35) 0%, rgba(7, 4, 2, 0.6) 100%);
}

.service-info {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3);
  text-align: center;
}

.service-info h3 {
  font-size: 1.15rem;
  line-height: 1.3;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Projects */
.projects {
  padding: var(--space-7) 0;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  grid-auto-rows: 220px;
  gap: var(--space-3);
}

.project-grid-status {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--color-fg-faint);
  padding: var(--space-4) 0;
}

.project-card {
  position: relative;
  grid-row: span 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-bg-elevated-2);
  background-size: cover;
  background-position: center;
  cursor: pointer;
}

.project-card.tall {
  grid-row: span 2;
}

.project-media {
  position: absolute;
  inset: -4%;
  background: inherit;
  background-size: cover;
  background-position: center;
  transition: transform 500ms ease;
}

.project-card:hover .project-media {
  transform: scale(1.08);
}

.project-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 4, 2, 0) 40%, rgba(7, 4, 2, 0.92) 100%);
}

.project-info {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: var(--space-3);
  z-index: 1;
}

.project-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-bg);
  background: var(--color-accent);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-1);
}

.project-info h3 {
  font-size: 1.15rem;
}

.project-view-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.6rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-accent);
  transition: gap var(--transition), color var(--transition);
}

.project-view-btn::after {
  content: '\2192';
}

.project-view-btn:hover,
.project-view-btn:focus-visible {
  color: var(--color-fg);
  gap: 0.6rem;
}

/* Contact */
.contact {
  padding: var(--space-7) 0;
  background:
    linear-gradient(180deg, rgba(7, 4, 2, 0.88) 0%, rgba(7, 4, 2, 0.94) 100%),
    url('../images/contact.jpg') center/cover no-repeat,
    var(--color-bg-elevated);
}

.schedule-page {
  padding-top: calc(var(--space-7) + 40px);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  align-items: start;
}

.contact-info h2 {
  font-size: clamp(1.75rem, 3vw, 2.75rem);
  margin: var(--space-1) 0 var(--space-3);
}

.contact-info h2 span {
  color: var(--color-accent);
}

.contact-details {
  list-style: none;
  margin: var(--space-4) 0;
  display: grid;
  gap: var(--space-2);
}

.contact-details li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-fg-muted);
}

.contact-details svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.social-links {
  display: flex;
  gap: var(--space-2);
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-border-strong);
  color: var(--color-fg);
  transition: border-color var(--transition), color var(--transition);
}

.social-links a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.social-links svg {
  width: 18px;
  height: 18px;
}

.contact-form,
.contact-cta-card {
  position: relative;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.contact-cta-card {
  align-self: center;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-4);
}

.contact-cta-card p {
  max-width: 40ch;
}

.contact-form::before,
.contact-cta-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-field label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-fg-muted);
}

.form-field input,
.form-field textarea {
  min-height: 48px;
  padding: 0.75rem 1rem;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-fg);
}

.form-field textarea {
  min-height: 120px;
  resize: vertical;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--color-fg-faint);
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(255, 122, 26, 0.22);
}

.form-field input:read-only,
.form-field textarea:read-only {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-fg-muted);
  cursor: default;
}

.form-field input:read-only:focus,
.form-field textarea:read-only:focus {
  box-shadow: none;
  border-color: var(--color-border);
}

.form-status {
  min-height: 1.2em;
  font-weight: 500;
  color: var(--color-accent);
}

.form-status--error {
  color: #FF6B5B;
}

.form-heading {
  font-size: 1.3rem;
  margin-bottom: 0.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.form-row--three {
  grid-template-columns: repeat(3, 1fr);
}

.form-field--narrow {
  max-width: 220px;
}

.field-optional {
  text-transform: none;
  font-weight: 400;
  letter-spacing: normal;
  color: var(--color-fg-faint);
}

.field-hint {
  font-size: 0.82rem;
  color: var(--color-fg-faint);
  margin-top: -0.25rem;
}

.select-wrap {
  position: relative;
}

.select-wrap select {
  width: 100%;
  min-height: 48px;
  padding: 0.75rem 2.5rem 0.75rem 1rem;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-fg);
  appearance: none;
  cursor: pointer;
}

.select-wrap select:invalid {
  color: var(--color-fg-faint);
}

.select-wrap select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(255, 122, 26, 0.22);
}

.select-wrap svg {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--color-fg-faint);
  pointer-events: none;
}

.input-suffix {
  position: relative;
}

.input-suffix input {
  width: 100%;
  padding-right: 3.5rem;
}

.input-suffix span {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.85rem;
  color: var(--color-fg-faint);
}

.form-fieldset {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}

.form-fieldset legend {
  padding: 0 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.form-fieldset .form-row {
  margin: 0;
}

.file-upload {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.file-upload input[type='file'] {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.file-upload-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  align-self: flex-start;
  min-height: 44px;
  padding: 0.65rem 1.25rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  color: var(--color-fg);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
}

.file-upload-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.file-upload-btn svg {
  width: 18px;
  height: 18px;
}

.file-list {
  font-size: 0.85rem;
  color: var(--color-fg-muted);
}

.file-list:empty {
  display: none;
}

.file-list.file-list--error {
  color: var(--color-accent);
}

/* Footer */
.site-footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: var(--space-4) 0;
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.footer-grid p {
  font-size: 0.85rem;
  color: var(--color-fg-faint);
}

/* Responsive */
@media (max-width: 1024px) {
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .nav-cta {
    display: none;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    height: 100dvh;
    width: min(320px, 80vw);
    background: var(--color-bg);
    border-left: 1px solid var(--color-border);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-4);
    transform: translateX(100%);
    transition: transform var(--transition);
  }

  .nav-links.open {
    transform: translateX(0);
  }

  .nav-links a {
    font-size: 1rem;
    display: block;
    width: 100%;
    padding: 0.75rem 0;
    min-height: 44px;
  }

  .nav-toggle {
    display: flex;
  }
}

@media (max-width: 768px) {
  .project-grid {
    grid-auto-rows: 260px;
  }

  .project-card.tall {
    grid-row: span 1;
  }

  .form-row,
  .form-row--three {
    grid-template-columns: 1fr;
  }

  .form-field--narrow {
    max-width: none;
  }
}

@media (max-width: 640px) {
  .services-grid {
    grid-template-columns: 1fr;
    grid-template-rows: repeat(7, 140px);
  }

  .service-panel {
    border-right: none;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
}

/* Projects showcase page */
.projects-footer {
  display: flex;
  justify-content: center;
  margin-top: var(--space-5);
}

.projects-page {
  padding: calc(var(--space-7) + 50px) 0 var(--space-7);
}

.projects-page-header {
  max-width: 60ch;
  margin-bottom: var(--space-5);
}

.projects-page-header h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin: var(--space-1) 0 var(--space-2);
}

.projects-page-lead {
  font-size: 1.05rem;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-bottom: var(--space-3);
}

.filter-btn {
  min-height: 44px;
  padding: 0.6rem 1.25rem;
  background: transparent;
  border: 1px solid var(--color-border-strong);
  border-radius: 999px;
  color: var(--color-fg-muted);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}

.filter-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.filter-btn.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-bg);
}

.projects-count {
  font-size: 0.85rem;
  color: var(--color-fg-faint);
  margin-bottom: var(--space-3);
  min-height: 1.2em;
}

/* Project detail page */
.project-hero {
  position: relative;
  min-height: 55vh;
  display: flex;
  align-items: flex-start;
  padding-top: 130px;
  overflow: hidden;
}

.project-hero-media {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-color: var(--color-bg-elevated-2);
}

.project-hero-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 4, 2, 0.15) 0%, rgba(7, 4, 2, 0.6) 55%, var(--color-bg) 100%);
}

.project-hero-content {
  position: relative;
  z-index: 1;
}

.project-back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-fg);
  background: rgba(7, 4, 2, 0.55);
  border: 1px solid var(--color-border-strong);
  padding: 0.55rem 1rem;
  border-radius: 999px;
  transition: color var(--transition), border-color var(--transition);
}

.project-back:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.project-gallery-section {
  padding: var(--space-4) 0 0;
}

.project-gallery-thumbs {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  padding-bottom: var(--space-1);
}

.project-thumb {
  flex: 0 0 120px;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-sm);
  background-color: var(--color-bg-elevated-2);
  background-size: cover;
  background-position: center;
  border: 2px solid transparent;
  cursor: pointer;
  padding: 0;
  transition: border-color var(--transition);
}

.project-thumb.active,
.project-thumb:hover {
  border-color: var(--color-accent);
}

.project-detail-section {
  padding: var(--space-6) 0;
}

.project-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  align-items: start;
}

.project-detail-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  margin-top: var(--space-2);
  max-width: 20ch;
}

.project-detail-list {
  display: grid;
  gap: var(--space-3);
}

.project-detail-list > div {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-2);
}

.project-detail-list dt {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 0.25rem;
}

.project-detail-list dd {
  color: var(--color-fg-muted);
}

.project-cta {
  background: var(--color-bg-elevated);
  padding: var(--space-6) 0;
}

.project-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.project-cta h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

@media (max-width: 768px) {
  .project-hero {
    min-height: 45vh;
    padding-top: 100px;
  }

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