/* ==========================================================================
   Workshop Productions — Shared Stylesheet
   "Where curriculum comes to life"
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,500;0,9..144,600;1,9..144,400&family=Inter:wght@300;400;500;600&display=swap');

:root {
  --color-paper: #F7F5F1;
  --color-ink: #1A1A1A;
  --color-accent: #C8102E;
  --color-muted: #8A8680;
  --color-line: #E2DED5;
  --color-paper-alt: #EFEBE3;

  --font-display: 'Fraunces', serif;
  --font-body: 'Inter', sans-serif;

  --max-width: 1400px;
  --gutter: clamp(24px, 5vw, 80px);

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

::selection {
  background: var(--color-accent);
  color: var(--color-paper);
}

/* Focus visibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* ==========================================================================
   Layout helpers
   ========================================================================== */

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.eyebrow {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-muted);
}

/* ==========================================================================
   Header / Nav
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-paper);
  border-bottom: 1px solid var(--color-line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 88px;
}

.logo {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  white-space: nowrap;
}

.logo span {
  color: var(--color-accent);
  font-style: normal;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(24px, 3vw, 48px);
}

.main-nav__links {
  display: flex;
  gap: clamp(20px, 3vw, 40px);
  list-style: none;
}

.main-nav__links a {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  position: relative;
  padding-bottom: 4px;
  transition: color 0.2s var(--ease);
}

.main-nav__links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--color-ink);
  transition: width 0.25s var(--ease);
}

.main-nav__links a:hover::after,
.main-nav__links a.active::after {
  width: 100%;
}

.main-nav__links a.active {
  color: var(--color-ink);
}

.btn-inquire {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-ink);
  color: var(--color-paper);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 12px 26px;
  border-radius: 100px;
  transition: background 0.25s var(--ease), transform 0.25s var(--ease);
  white-space: nowrap;
}

.btn-inquire:hover {
  background: var(--color-accent);
  transform: translateY(-1px);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-ink);
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  border-top: 1px solid var(--color-line);
  padding: 64px 0 40px;
  margin-top: 120px;
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
}

.site-footer__tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(20px, 2.5vw, 28px);
  max-width: 420px;
}

.site-footer__meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
  color: var(--color-muted);
  text-align: right;
}

.site-footer__meta a:hover {
  color: var(--color-ink);
}

.site-footer__bottom {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--color-line);
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--color-muted);
  letter-spacing: 0.04em;
  flex-wrap: wrap;
  gap: 12px;
}

/* ==========================================================================
   Hero (shared pattern across pages)
   ========================================================================== */

.page-hero {
  padding: 80px 0 60px;
}

.page-hero__eyebrow {
  margin-bottom: 24px;
}

.page-hero h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(40px, 7vw, 96px);
  line-height: 1.05;
  letter-spacing: -0.01em;
  max-width: 18ch;
}

.page-hero h1 em {
  font-style: italic;
  color: var(--color-accent);
}

.page-hero__sub {
  margin-top: 28px;
  font-size: clamp(16px, 1.6vw, 20px);
  color: var(--color-muted);
  max-width: 56ch;
  line-height: 1.7;
}

/* ==========================================================================
   Sections / generic
   ========================================================================== */

section {
  padding: 80px 0;
}

section.tight {
  padding: 40px 0;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.section-head h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1.1;
  max-width: 14ch;
}

.section-head p {
  max-width: 40ch;
  color: var(--color-muted);
  font-size: 16px;
}

hr.divider {
  border: none;
  border-top: 1px solid var(--color-line);
  margin: 0;
}

/* ==========================================================================
   Buttons / links
   ========================================================================== */

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  border-bottom: 1px solid var(--color-ink);
  padding-bottom: 4px;
  transition: gap 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.text-link:hover {
  gap: 16px;
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.text-link svg {
  transition: transform 0.25s var(--ease);
}

.text-link:hover svg {
  transform: translateX(2px);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-ink);
  color: var(--color-paper);
  font-size: 15px;
  font-weight: 500;
  padding: 16px 36px;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  transition: background 0.25s var(--ease), transform 0.25s var(--ease);
}

.btn-primary:hover {
  background: var(--color-accent);
  transform: translateY(-1px);
}

/* ==========================================================================
   Placeholder media blocks
   ========================================================================== */

.media {
  background: var(--color-paper-alt);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
}

.media.wide {
  aspect-ratio: 16 / 9;
}

.media.tall {
  aspect-ratio: 3 / 4;
}

.media.square {
  aspect-ratio: 1 / 1;
}

.media__label {
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
  text-align: center;
  padding: 0 24px;
}

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

/* ==========================================================================
   Grids
   ========================================================================== */

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

.grid-three__item h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 22px;
  margin-top: 24px;
  margin-bottom: 8px;
}

.grid-three__item p {
  color: var(--color-muted);
  font-size: 15px;
  max-width: 32ch;
}

.grid-two {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

/* ==========================================================================
   CTA banner
   ========================================================================== */

.cta-banner {
  background: var(--color-ink);
  color: var(--color-paper);
  border-radius: 8px;
  padding: clamp(48px, 8vw, 96px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.cta-banner h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(28px, 4vw, 48px);
  max-width: 18ch;
  line-height: 1.15;
}

.cta-banner .btn-primary {
  background: var(--color-paper);
  color: var(--color-ink);
  flex-shrink: 0;
}

.cta-banner .btn-primary:hover {
  background: var(--color-accent);
  color: var(--color-paper);
}

/* ==========================================================================
   Process list (Services page)
   ========================================================================== */

.process-list {
  display: flex;
  flex-direction: column;
  gap: 80px;
}

.process-row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px 48px;
}

.process-row__num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 20px;
  color: var(--color-accent);
}

.process-row__body h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(24px, 3vw, 32px);
  margin-bottom: 12px;
}

.process-row__body p {
  color: var(--color-muted);
  max-width: 52ch;
  margin-bottom: 24px;
}

.process-row .media {
  grid-column: 2;
}

/* Offer items (Services page) */

.offer-item {
  padding-bottom: 32px;
  border-bottom: 1px solid var(--color-line);
}

.offer-item h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 22px;
  margin-bottom: 10px;
}

.offer-item p {
  color: var(--color-muted);
  font-size: 15px;
  max-width: 40ch;
}

/* ==========================================================================
   Case study (Work page)
   ========================================================================== */

.case-overview {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  padding: 32px 0;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.case-overview__col .eyebrow {
  margin-bottom: 10px;
}

.case-overview__col p:last-child {
  font-size: 16px;
}

.case-text {
  max-width: 70ch;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.case-text p {
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.7;
  color: var(--color-ink);
}

/* ==========================================================================
   Clients page
   ========================================================================== */

.logo-row {
  display: flex;
  gap: 64px;
  flex-wrap: wrap;
}

.logo-row__item {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(28px, 4vw, 44px);
}

.logo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--color-line);
  border: 1px solid var(--color-line);
}

.logo-grid__item {
  background: var(--color-paper);
  padding: 40px 24px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(18px, 2vw, 24px);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 120px;
  transition: background 0.25s var(--ease);
}

.logo-grid__item:hover {
  background: var(--color-paper-alt);
}

.logo-grid__note {
  margin-top: 32px;
  font-size: 13px;
  color: var(--color-muted);
  max-width: 60ch;
}

/* ==========================================================================
   Inquire page
   ========================================================================== */

.inquire-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 80px;
}

.inquire-form {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.form-field label {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.form-field__hint {
  font-size: 13px;
  color: var(--color-muted);
  margin-top: -6px;
}

.form-field input[type="text"],
.form-field input[type="email"],
.form-field textarea {
  font-family: var(--font-body);
  font-size: 16px;
  padding: 14px 16px;
  border: 1px solid var(--color-line);
  border-radius: 4px;
  background: var(--color-paper);
  color: var(--color-ink);
  transition: border-color 0.2s var(--ease);
  resize: vertical;
}

.form-field input[type="text"]:focus,
.form-field input[type="email"]:focus,
.form-field textarea:focus {
  border-color: var(--color-ink);
  outline: none;
}

.checkbox-row {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-ink);
}

.inquire-form .btn-primary {
  align-self: flex-start;
  margin-top: 8px;
}

.inquire-side {
  display: flex;
  flex-direction: column;
  gap: 48px;
  padding-top: 4px;
}

.inquire-side__block {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.inquire-side__block p:last-child {
  color: var(--color-muted);
  font-size: 15px;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 860px) {
  .main-nav__links,
  .btn-inquire {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .site-header__inner {
    height: 76px;
  }

  section {
    padding: 56px 0;
  }

  .grid-three,
  .grid-two {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .process-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .process-row .media {
    grid-column: 1;
  }

  .process-row__num {
    font-size: 16px;
  }

  .case-overview {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

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

  .logo-row {
    gap: 32px;
  }

  .inquire-layout {
    grid-template-columns: 1fr;
    gap: 56px;
  }

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

  .site-footer {
    margin-top: 80px;
  }

  .site-footer__meta {
    text-align: left;
    align-items: flex-start;
  }

  .site-footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Mobile nav drawer */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-paper);
  z-index: 99;
  flex-direction: column;
  padding: 100px var(--gutter) var(--gutter);
}

.mobile-nav.open {
  display: flex;
}

.mobile-nav__links {
  display: flex;
  flex-direction: column;
  gap: 28px;
  list-style: none;
}

.mobile-nav__links a {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 500;
}

.mobile-nav .btn-inquire {
  display: inline-flex;
  margin-top: 40px;
  align-self: flex-start;
}

body.nav-open {
  overflow: hidden;
}