/* ============================================================
   Frame — studio site
   Built on the Shoreditch Design DNA (see DESIGN.md)
   Ink + white + rationed hot coral · Cabinet Grotesk + Inter · flat · editorial
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  --color-primary: #0F1014;
  --color-secondary: #FF6955;
  --color-secondary-hover: #DD5341;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F9FAFF;
  --color-surface-subtle: #FAFAFA;
  --color-surface-inverse: #121212;
  --color-bg-inverse: #0F1014;
  --color-text: #0F1014;
  --color-text-muted: #5C5C5C;
  --color-text-subtle: #828A9D;
  --color-on-dark: #FFFFFF;
  --color-on-dark-muted: #D0D0D0;
  --color-border: #E2E2E2;
  --color-border-strong: #D0D0D0;

  --font-display: 'Cabinet Grotesk', 'Neue Montreal', sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;

  --container-max: 1680px;
  --page-x: 72px;
  --section-y: 96px;
  --grid-gap: 24px;

  --shadow-nav: rgba(15, 16, 20, 0.06) 0px 6px 24px 0px;

  --dur-sm: 200ms;
  --dur-md: 400ms;
  --ease-expo: cubic-bezier(0.77, 0, 0.175, 1);
  --ease-spring: cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 500; margin: 0; letter-spacing: -0.01em; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img, svg, video { display: block; max-width: 100%; }
ul { margin: 0; padding: 0; list-style: none; }

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--page-x);
}

/* ---------- Arrow-link CTA (signature) ---------- */
.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 16px;
  color: var(--color-text);
  line-height: 1;
  cursor: pointer;
}
.arrow-link .arrow {
  width: 40px;
  height: 12px;
  stroke: currentColor;
  stroke-width: 1.5;
  fill: none;
  transition: transform var(--dur-md) var(--ease-spring);
}
.arrow-link:hover .arrow { transform: translateX(8px); }
.arrow-link--invert { color: var(--color-on-dark); }
.arrow-link--sm { font-size: 14px; gap: 10px; }
.arrow-link--sm .arrow { width: 30px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 16px;
  padding: 15px 26px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--dur-sm) ease, color var(--dur-sm) ease, transform var(--dur-sm) ease;
}
.btn--coral { background: var(--color-secondary); color: #fff; }
.btn--coral:hover { background: var(--color-secondary-hover); }
.btn--dark { background: var(--color-primary); color: #fff; }
.btn--dark:hover { background: #000; }
.btn--outline { background: #fff; color: var(--color-text); border-color: var(--color-border-strong); }

/* ============ NAV ============ */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background var(--dur-md) var(--ease-expo), box-shadow var(--dur-md) var(--ease-expo);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.nav.is-scrolled { background: rgba(255,255,255,0.92); backdrop-filter: saturate(160%) blur(8px); box-shadow: var(--shadow-nav); }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand__mark { display: inline-flex; }
.brand__mark img { display: block; width: 36px; height: 36px; border-radius: 8px; }
.brand__word { font-family: var(--font-display); font-weight: 800; font-size: 22px; letter-spacing: -0.02em; }
.nav__links { display: flex; align-items: center; gap: 34px; }
.nav__links a { font-weight: 500; font-size: 15px; transition: color var(--dur-sm) ease; }
.nav__links a:hover { color: var(--color-secondary); }
.nav__contact { padding: 9px 18px; border: 1px solid var(--color-border-strong); border-radius: var(--radius-md); }
.nav__contact:hover { background: var(--color-primary); color: #fff !important; border-color: var(--color-primary); }
.nav__toggle { display: none; }

/* mobile menu */
.mobile-menu {
  position: fixed; inset: 0; z-index: 99;
  background: var(--color-bg-inverse);
  display: flex; align-items: center; justify-content: center;
  transform: translateY(-100%);
  transition: transform var(--dur-md) var(--ease-expo);
}
.mobile-menu.is-open { transform: translateY(0); }
.mobile-menu__links { display: flex; flex-direction: column; gap: 28px; text-align: center; }
.mobile-menu__links a { font-family: var(--font-display); font-weight: 500; font-size: 38px; color: #fff; }
.mobile-menu__links a:hover { color: var(--color-secondary); }

/* ============ HERO ============ */
.hero {
  padding-top: 110px;
  padding-bottom: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 64px;
}
.hero__main { flex: 1 1 auto; max-width: 1100px; }
.hero__kicker { font-size: 15px; color: var(--color-text); margin-bottom: 28px; }
.hero__kicker span { color: var(--color-text-subtle); }
.hero__title { font-size: clamp(48px, 8vw, 92px); line-height: 0.98; margin-bottom: 20px; }
.hero__title-accent { color: var(--color-secondary); }
.hero__cta { font-size: 18px; }

/* Hero supporting copy + review */
.hero__review { display: flex; align-items: center; gap: 14px; margin-bottom: 36px; flex-wrap: wrap; }
.hero__avatars { display: flex; }
.hero__avatars img {
  width: 40px; height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-bg, #fff);
  margin-left: -10px;
  background: var(--color-surface-subtle, #eee);
}
.hero__avatars img:first-child { margin-left: 0; }
.hero__rating { display: flex; flex-direction: column; gap: 2px; }
.hero__stars { display: flex; gap: 4px; }
.hero__stars svg { width: 18px; height: 18px; fill: var(--color-secondary); }
.hero__review-text { font-size: 14px; color: var(--color-text-muted); }
.hero__review-text strong { color: var(--color-text); font-weight: 600; }

/* Hero headline: word-by-word fade-in reveal (à la shoreditchdesign.com) */
.headline__line { display: block; }
.headline__word {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.18em);
  filter: blur(6px);
  will-change: opacity, transform, filter;
}
.headline--animate.is-revealed .headline__word {
  opacity: 1;
  transform: none;
  filter: blur(0);
  transition: opacity 0.6s var(--ease-expo), transform 0.6s var(--ease-expo), filter 0.6s var(--ease-expo);
}
.hero__lede { font-size: 20px; line-height: 1.55; color: var(--color-text-muted); max-width: 560px; margin-bottom: 24px; }

/* ---------- Contact details ---------- */
.contact-details { display: flex; flex-direction: column; gap: 20px; }
.contact-details__item { display: flex; flex-direction: column; gap: 4px; }
.contact-details__label {
  font-size: 13px; font-weight: 600; letter-spacing: 0.02em;
  color: var(--color-text-subtle); text-transform: uppercase;
}
.contact-details__value {
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(22px, 2.6vw, 30px); line-height: 1.1; color: var(--color-text);
  transition: color var(--dur-sm) ease;
}
.contact-details__value:hover { color: var(--color-secondary); }

/* ---------- Feature media placeholder ---------- */
.feature-media { padding-top: 8px; padding-bottom: 8px; }
.feature-media__frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: radial-gradient(120% 140% at 70% 30%, #2a2b30 0%, #131418 45%, #0a0a0d 100%);
  display: flex; align-items: center; justify-content: center;
}
.feature-media__label {
  font-size: 14px; letter-spacing: 0.02em;
  color: var(--color-on-dark-muted);
}

/* ---------- Hero contact form ---------- */
.hero__form {
  flex: 0 0 clamp(380px, 32vw, 520px);
  background: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
}
.hero__form-title { font-size: 24px; line-height: 1.1; margin-bottom: 10px; }
.hero__form-lede { font-size: 15px; line-height: 1.5; color: var(--color-text-muted); margin-bottom: 24px; }

.contact-form { display: flex; flex-direction: column; gap: 16px; }
.contact-form__field { display: flex; flex-direction: column; gap: 6px; }
.contact-form__field label {
  font-size: 13px; font-weight: 600; letter-spacing: 0.02em;
  color: var(--color-text-subtle); text-transform: uppercase;
}
.contact-form__optional { font-weight: 500; text-transform: none; letter-spacing: 0; color: var(--color-border-strong); }
.contact-form__field input,
.contact-form__field textarea {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  resize: vertical;
  transition: border-color var(--dur-sm) ease;
}
.contact-form__field input:focus,
.contact-form__field textarea:focus {
  outline: none;
  border-color: var(--color-secondary);
}
.contact-form__submit { width: 100%; margin-top: 4px; }
.contact-form__submit:disabled { opacity: 0.6; cursor: progress; }
.contact-form__status {
  font-size: 14px;
  line-height: 1.5;
  margin-top: 4px;
  padding: 12px 14px;
  border-radius: 8px;
  background: var(--color-surface-muted, #f4f4f5);
  color: var(--color-text-muted);
}
.contact-form__status.is-success { background: rgba(255, 105, 85, 0.10); color: var(--color-secondary); }
.contact-form__status.is-error { background: rgba(220, 38, 38, 0.10); color: #b91c1c; }

/* ============ SECTIONS ============ */
.section { padding-block: var(--section-y); }
.section--light { background: var(--color-bg); }
.section--light + .section--light { background: var(--color-bg-alt); }
.section--dark { background: var(--color-bg-inverse); color: var(--color-on-dark); }
#work { padding-block: 160px; }
#work .section__head { margin-bottom: 88px; }
.section--dark .section__lede { color: var(--color-on-dark-muted); }

.section__head { max-width: 720px; margin-bottom: 56px; }
.section__title { font-size: clamp(32px, 5vw, 60px); line-height: 1.05; margin-bottom: 20px; }
.section__title--sm { font-size: clamp(24px, 3vw, 36px); }
.section__lede { font-size: 20px; line-height: 1.5; color: var(--color-text-muted); margin-bottom: 28px; }

/* ---------- Service cards ---------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
}
.service-card {
  display: block;
  background: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: transform var(--dur-md) var(--ease-expo);
}
.service-card:hover { transform: translateY(-4px); }
.service-card__media {
  height: 220px; border-radius: var(--radius-sm); margin-bottom: 22px;
}
.service-card__media--a { background: linear-gradient(135deg, #ff6955, #dd5341); }
.service-card__media--b { background: linear-gradient(135deg, #0f1014, #3a3b42); }
.service-card__media--c { background: linear-gradient(135deg, #f9faff, #d7dbe8); }
.service-card__media--d { background: linear-gradient(135deg, #1c1d22, #ff6955); }
.service-card__title { font-size: 24px; margin-bottom: 8px; }
.service-card__desc { color: var(--color-text-muted); font-size: 15px; }

/* Small review under What we do */
.service-review { margin-top: 48px; text-align: center; }
/* compact, centred testimonial band */
.testimonial-band { padding-block: 64px; }
.testimonial-band .service-review { margin-top: 0; }
.service-review__stars { display: flex; justify-content: center; gap: 5px; margin-bottom: 14px; }
.service-review__stars svg { width: 20px; height: 20px; fill: var(--color-secondary); }
.service-review__quote {
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(20px, 2.4vw, 26px); line-height: 1.35;
  max-width: 640px; margin: 0 auto 12px; letter-spacing: -0.01em;
}
.service-review__by { font-size: 14px; color: var(--color-text-muted); }
.service-review__by span { color: var(--color-border-strong); margin: 0 6px; }
.section--dark .service-review__by { color: var(--color-on-dark-muted); }
.section--dark .service-review__by span { color: rgba(255,255,255,0.35); }

/* ---------- Work cards ---------- */
.work-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  column-gap: 48px;
  row-gap: 112px;
}
.work-card { display: block; }
.work-card:nth-child(even) { margin-top: 120px; }
/* aligned variant — even cards sit level, for a clean grid */
.work-grid--aligned { row-gap: 64px; }
.work-grid--aligned .work-card:nth-child(even) { margin-top: 0; }
.work-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex; align-items: flex-end;
  transition: transform var(--dur-md) var(--ease-expo);
}
.work-card__media { background: var(--color-surface-subtle, #f2f3f7); }
.work-card__img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: top center;
  display: block;
}
.work-card:hover .work-card__media { transform: scale(1.02); }
.work-card__meta { display: flex; align-items: center; justify-content: space-between; padding-top: 28px; gap: 16px; }
.work-card__title { font-size: 22px; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { font-size: 12px; color: var(--color-text-muted); border: 1px solid var(--color-border); padding: 4px 10px; border-radius: 100px; }
.section--light .chip { color: var(--color-text-muted); border-color: var(--color-border-strong); }

/* ---------- Logo wall ---------- */
.logos.section--light { background: var(--color-bg); }
.logos { text-align: center; }
.logos__label { font-size: 14px; color: var(--color-text-subtle); margin-bottom: 40px; letter-spacing: 0.02em; }
.logos__names {
  max-width: 1040px;
  margin: 0 auto;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(20px, 2.3vw, 32px);
  line-height: 1.4;
  color: var(--color-primary);
  text-align: center;
}
.logos__names strong { font-weight: 700; }

/* ============ SKILLS (hero aside) ============ */
.hero__aside { flex: 0 0 280px; }
.skills__label {
  font-size: 13px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--color-text-subtle); margin-bottom: 20px;
}
.skills__list {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-wrap: wrap; gap: 12px;
}
.skill-pill {
  font-family: var(--font-display); font-weight: 500;
  font-size: 17px; line-height: 1;
  color: var(--color-primary);
  border: 1px solid var(--color-border-strong);
  border-radius: 100px; padding: 12px 20px;
}
.skill-pill--accent {
  background: var(--color-secondary); color: #fff; border-color: var(--color-secondary);
}

/* ---------- Testimonial ---------- */
.testimonial { text-align: center; }
.testimonial__stars { display: flex; justify-content: center; gap: 6px; margin-bottom: 24px; }
.testimonial__stars svg { width: 24px; height: 24px; fill: var(--color-secondary); }
.testimonial__quote { font-family: var(--font-display); font-weight: 500; font-size: clamp(28px, 4vw, 44px); line-height: 1.25; max-width: 960px; margin: 0 auto 28px; letter-spacing: -0.01em; }
.testimonial__by { font-size: 15px; color: var(--color-text-muted); }
.testimonial__by span { color: var(--color-border-strong); margin: 0 6px; }
.section--dark .testimonial__by { color: var(--color-on-dark-muted); }
.section--dark .testimonial__by span { color: rgba(255,255,255,0.35); }

/* ---------- Articles ---------- */
.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--grid-gap); }
.article-card { display: flex; flex-direction: column; }
.article-card__media { aspect-ratio: 16 / 10; border-radius: var(--radius-md); margin-bottom: 18px; }
.article-card__media--a { background: linear-gradient(135deg, #0f1014, #ff6955); }
.article-card__media--b { background: linear-gradient(135deg, #f9faff, #b7bdca); }
.article-card__media--c { background: linear-gradient(135deg, #ff6955, #1c1d22); }
.article-card__meta { font-size: 12px; color: var(--color-text-subtle); margin-bottom: 10px; }
.article-card__title { font-size: 22px; line-height: 1.25; margin-bottom: 16px; flex: 1; }

/* ---------- CTA band ---------- */
.cta-band { background: var(--color-secondary); color: #fff; }
.cta-band__inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; padding-block: 80px; flex-wrap: wrap; }
.cta-band__text { max-width: 680px; }
.cta-band__title { font-size: clamp(30px, 4.5vw, 56px); line-height: 1.05; }
.cta-band__copy { font-size: 18px; line-height: 1.55; margin-top: 20px; color: rgba(255,255,255,0.88); }
.cta-band__copy a { font-weight: 600; color: #fff; text-decoration: underline; text-underline-offset: 3px; }
.cta-band__copy a:hover { color: var(--color-primary); }

/* ---------- Footer ---------- */
.footer { background: var(--color-bg-inverse); color: var(--color-on-dark); padding-top: 80px; padding-bottom: 32px; }
.footer__inner { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: var(--grid-gap); padding-bottom: 64px; }
.footer__brand p { color: var(--color-on-dark-muted); font-size: 15px; margin-top: 16px; }
.footer__col h4 { font-family: var(--font-body); font-weight: 600; font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-text-subtle); margin-bottom: 18px; }
.footer__col a { display: block; color: var(--color-on-dark-muted); font-size: 15px; padding: 6px 0; transition: color var(--dur-sm) ease; }
.footer__col a:hover { color: #fff; }
.footer__base { display: flex; justify-content: space-between; padding-top: 28px; border-top: 1px solid rgba(255,255,255,0.12); font-size: 13px; color: var(--color-text-subtle); }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity var(--dur-md) var(--ease-expo), transform var(--dur-md) var(--ease-expo); }
.reveal.is-in { opacity: 1; transform: none; }

/* ============ RESPONSIVE ============ */
@media (max-width: 991px) {
  :root { --page-x: 24px; --section-y: 64px; }
  .nav__links { display: none; }
  .nav__toggle {
    display: flex; flex-direction: column; gap: 6px; justify-content: center;
    width: 44px; height: 44px; background: none; border: none; cursor: pointer; z-index: 101;
  }
  .nav__toggle span { display: block; width: 26px; height: 2px; background: var(--color-primary); transition: transform var(--dur-sm) ease, opacity var(--dur-sm) ease; }
  .nav__toggle.is-active span:first-child { transform: translateY(4px) rotate(45deg); background: #fff; }
  .nav__toggle.is-active span:last-child { transform: translateY(-4px) rotate(-45deg); background: #fff; }
  .hero { padding-top: 110px; flex-direction: column; align-items: stretch; gap: 40px; }
  .hero__aside { flex-basis: auto; }
  .hero__form { flex-basis: auto; width: 100%; max-width: 560px; }
  .feature-media__frame { aspect-ratio: 4 / 3; }
  .service-grid, .work-grid { grid-template-columns: repeat(2, 1fr); }
  .article-grid { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  :root { --grid-gap: 16px; }
  .service-grid, .work-grid { grid-template-columns: 1fr; }
  .work-grid { column-gap: 24px; row-gap: 64px; }
  .work-card:nth-child(even) { margin-top: 0; }
  #work { padding-block: 96px; }
  #work .section__head { margin-bottom: 56px; }
  .footer__inner { grid-template-columns: 1fr; gap: 40px; }
  .footer__base { flex-direction: column; gap: 8px; }
  .cta-band__inner { padding-block: 56px; }
  .hero__form { padding: 28px; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .arrow-link .arrow, .work-card__media, .service-card { transition: none; }
  html { scroll-behavior: auto; }
}