/* ============================================================
   Timula — Construction and Development
   Design tokens → base → layout → components
   ============================================================ */

:root {
  /* Colour */
  --paper:      #f7f6f3;
  --paper-2:    #efede8;
  --ink:        #14140f;
  --ink-70:     #4a4a44;
  --ink-45:     #7b7b74;
  --line:       #dcd9d2;
  --accent:     #9a5b34;
  --accent-ink: #7c4726;

  /* Type */
  --display: "Instrument Serif", "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Fluid scale */
  --fs-eyebrow: 0.72rem;
  --fs-body:    clamp(0.98rem, 0.93rem + 0.22vw, 1.08rem);
  --fs-lead:    clamp(1.15rem, 1.02rem + 0.6vw, 1.5rem);
  --fs-h3:      clamp(1.5rem, 1.2rem + 1.4vw, 2.4rem);
  --fs-h2:      clamp(2.4rem, 1.6rem + 3.6vw, 5rem);
  --fs-xl:      clamp(3rem, 1.7rem + 6vw, 8rem);
  --fs-hero:    clamp(2.8rem, 1.5rem + 5.6vw, 6.6rem);

  /* Space */
  --shell:      min(92vw, 1240px);
  --gutter:     clamp(1.25rem, 4vw, 3rem);
  --section-y:  clamp(4.5rem, 9vw, 10rem);

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ── Reset ────────────────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--fs-body);
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

h1, h2, h3 { margin: 0; font-weight: 400; line-height: 1.02; letter-spacing: -0.015em; }
p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

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

ul { margin: 0; padding: 0; list-style: none; }

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

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

/* ── Utilities ────────────────────────────────────────────── */

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip-path: inset(50%); white-space: nowrap;
}

.skip-link {
  position: absolute; top: 0; left: 50%;
  transform: translate(-50%, -110%);
  z-index: 100;
  padding: 0.7rem 1.25rem;
  background: var(--ink); color: var(--paper);
  font-size: 0.85rem; letter-spacing: 0.04em;
  transition: transform 0.2s var(--ease);
}
.skip-link:focus { transform: translate(-50%, 0); }

.display {
  font-family: var(--display);
  font-size: var(--fs-h2);
  letter-spacing: -0.02em;
}
.display--xl { font-size: var(--fs-xl); line-height: 0.92; }

.eyebrow {
  margin: 0 0 1.1rem;
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-45);
}

.lead { font-size: var(--fs-lead); line-height: 1.45; color: var(--ink); }

.section { padding-block: var(--section-y); }

/* Keep anchor targets clear of the sticky header. */
:target,
main section[id] { scroll-margin-top: clamp(5rem, 9vw, 7rem); }

.section__head { margin-bottom: clamp(2.5rem, 5vw, 4.5rem); }

/* ── Reveal animation ─────────────────────────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ── Header ───────────────────────────────────────────────── */

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.site-header.is-stuck {
  border-bottom-color: var(--line);
  background: color-mix(in srgb, var(--paper) 94%, transparent);
}

.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem;
  padding-block: clamp(0.9rem, 2vw, 1.4rem);
}

.wordmark { display: block; line-height: 1.1; }
.wordmark__name {
  display: block;
  font-family: var(--display);
  font-size: clamp(1.5rem, 1.2rem + 0.9vw, 2rem);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.wordmark__sub {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-45);
}

.nav__menu {
  display: flex; align-items: center;
  gap: clamp(1.2rem, 2.4vw, 2.4rem);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
}
.nav__menu a { position: relative; padding-block: 0.35rem; }
.nav__menu a:not(.nav__cta)::after {
  content: "";
  position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0); transform-origin: right;
  transition: transform 0.35s var(--ease);
}
.nav__menu a:not(.nav__cta):hover::after,
.nav__menu a[aria-current="true"]::after { transform: scaleX(1); transform-origin: left; }

.nav__menu .nav__cta {
  padding: 0.6rem 1.2rem;
  background: var(--ink); color: var(--paper);
  border-radius: 999px;
  transition: background 0.3s var(--ease);
}
.nav__cta:hover { background: var(--accent-ink); }

.nav__toggle {
  display: none;
  width: 44px; height: 44px;
  padding: 0; border: 0; background: none; cursor: pointer;
  align-items: center; justify-content: center;
}
.nav__toggle-bars,
.nav__toggle-bars::before,
.nav__toggle-bars::after {
  display: block; width: 22px; height: 1.5px;
  background: var(--ink);
  transition: transform 0.3s var(--ease), opacity 0.2s linear;
}
.nav__toggle-bars { position: relative; }
.nav__toggle-bars::before, .nav__toggle-bars::after {
  content: ""; position: absolute; left: 0;
}
.nav__toggle-bars::before { top: -7px; }
.nav__toggle-bars::after  { top: 7px; }
.nav__toggle[aria-expanded="true"] .nav__toggle-bars { background: transparent; }
.nav__toggle[aria-expanded="true"] .nav__toggle-bars::before { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] .nav__toggle-bars::after  { transform: translateY(-7px) rotate(-45deg); }

/* ── Hero ─────────────────────────────────────────────────── */

.hero { padding-top: clamp(2.5rem, 6vw, 6rem); padding-bottom: var(--section-y); }

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(2rem, 5vw, 5rem);
}

.hero__title {
  font-family: var(--display);
  font-size: var(--fs-hero);
  line-height: 0.95;
  letter-spacing: -0.025em;
  margin-bottom: 1.6rem;
}
.hero__title em { font-style: italic; color: var(--accent); }

.hero__lede {
  max-width: 42ch;
  font-size: var(--fs-lead);
  line-height: 1.5;
  color: var(--ink-70);
}

.hero__actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 2rem; }

.hero__media { margin: 0; overflow: hidden; }
.hero__media img {
  width: 100%;
  aspect-ratio: 4 / 3.2;
  object-fit: cover;
  transition: transform 1.2s var(--ease);
}
.hero__media:hover img { transform: scale(1.03); }

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin: clamp(3rem, 7vw, 6rem) 0 0;
  background: var(--line);
  border-block: 1px solid var(--line);
}
.stat {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--paper);
  padding: clamp(1.4rem, 3vw, 2.2rem) clamp(1rem, 2vw, 1.6rem);
}
.stat dt {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-45);
}
.stat dd {
  margin: 1.2rem 0 0;
  font-family: var(--display);
  font-size: clamp(2rem, 1.4rem + 2.2vw, 3.4rem);
  line-height: 1;
}

/* ── Buttons & links ──────────────────────────────────────── */

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.95rem 1.9rem;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background 0.3s var(--ease), color 0.3s var(--ease),
              border-color 0.3s var(--ease), transform 0.2s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--solid { background: var(--ink); color: var(--paper); }
.btn--solid:hover { background: var(--accent-ink); border-color: var(--accent-ink); }

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

.btn--full { width: 100%; font-family: var(--sans); }

.link-arrow {
  display: inline-flex; align-items: center; gap: 0.5rem;
  margin-top: 1.4rem;
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-ink);
  border-bottom: 1px solid currentColor;
  padding-bottom: 3px;
}
.link-arrow::after { content: "→"; transition: transform 0.3s var(--ease); }
.link-arrow:hover::after { transform: translateX(5px); }

/* ── About ────────────────────────────────────────────────── */

.about__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem) clamp(1.5rem, 3vw, 3rem);
  align-items: start;
}
.about__intro  { grid-column: 1 / 6; }
.about__media  { grid-column: 7 / 13; grid-row: 1 / 3; margin: 0; }
.about__body   { grid-column: 1 / 6; }
.about__media--tall { grid-column: 1 / 6; grid-row: 3; margin: 0; }

.about__media img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}
.about__media--tall img { aspect-ratio: 16 / 10; }

.about__body p + p { color: var(--ink-70); }
.about__body strong { font-weight: 600; }

.values {
  display: grid; gap: 0.9rem;
  margin-top: 2.2rem; padding-top: 1.8rem;
  border-top: 1px solid var(--line);
  font-size: 0.95rem;
}
.values li { display: flex; gap: 1rem; align-items: baseline; }
.values span {
  font-family: var(--display);
  font-size: 0.95rem;
  color: var(--accent);
}

/* ── Services ─────────────────────────────────────────────── */

.services { background: var(--paper-2); }

/* Explicit column counts, never auto-fit: with four cards an auto-fit grid
   can land on three columns and leave a visible empty cell. */
.services__list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.service {
  background: var(--paper-2);
  padding: clamp(1.8rem, 3.5vw, 3rem);
  transition: background 0.4s var(--ease);
}
.service:hover { background: var(--paper); }
.service__num {
  display: block;
  margin-bottom: 1.6rem;
  font-family: var(--display);
  font-size: 1.1rem;
  color: var(--accent);
}
.service h3 {
  font-family: var(--display);
  font-size: clamp(1.35rem, 1.1rem + 0.8vw, 1.8rem);
  margin-bottom: 0.9rem;
}
.service p { color: var(--ink-70); font-size: 0.95rem; }

/* ── Projects ─────────────────────────────────────────────── */

.project {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(2rem, 5vw, 5rem);
  padding-block: clamp(2.5rem, 5vw, 4.5rem);
  border-top: 1px solid var(--line);
}
.project--flip .project__text { order: 2; }

.project__meta {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-45);
  margin-bottom: 1rem;
}
.project__title {
  font-family: var(--display);
  font-size: var(--fs-h3);
  margin-bottom: 1.1rem;
}
.project__text p:not(.project__meta) { color: var(--ink-70); max-width: 44ch; }

.project__media { margin: 0; overflow: hidden; }
.project__media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 1s var(--ease);
}
.project:hover .project__media img { transform: scale(1.04); }

/* ── Quote ────────────────────────────────────────────────── */

.quote-band { background: var(--ink); color: var(--paper); }

.quote { margin: 0 auto; max-width: 60ch; text-align: center; }
.quote p {
  font-family: var(--display);
  font-size: clamp(1.5rem, 1.1rem + 2vw, 2.8rem);
  line-height: 1.25;
  letter-spacing: -0.015em;
  margin-bottom: 1.8rem;
}
.quote footer {
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--paper) 62%, transparent);
}
.quote cite { font-style: normal; color: var(--paper); }

/* ── Contact ──────────────────────────────────────────────── */

.contact { padding-bottom: 0; }

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: start;
}

.contact__title { margin-bottom: 1.5rem; }
.contact__blurb { max-width: 40ch; color: var(--ink-70); font-size: var(--fs-lead); line-height: 1.5; }

.contact__details {
  display: grid; gap: 1rem;
  margin-top: 2.5rem; padding-top: 2rem;
  border-top: 1px solid var(--line);
}
.contact__details li { display: flex; gap: 1.5rem; align-items: baseline; }
.contact__label {
  flex: 0 0 5.5rem;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-45);
}
.contact__details a { border-bottom: 1px solid var(--line); transition: border-color 0.25s var(--ease); }
.contact__details a:hover { border-bottom-color: var(--ink); }

/* Form */
.field { margin-bottom: 1.4rem; }
.field label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-45);
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.85rem 0;
  border: 0; border-bottom: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  font: inherit;
  border-radius: 0;
  transition: border-color 0.25s var(--ease);
}
.field select { padding-right: 1.5rem; cursor: pointer; }
.field textarea { resize: vertical; min-height: 6rem; }
.field input:hover, .field textarea:hover, .field select:hover { border-bottom-color: var(--ink-45); }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-bottom-color: var(--accent);
}
.field :focus-visible { outline: none; }

.field__error {
  margin: 0.45rem 0 0;
  font-size: 0.8rem;
  color: #a4342b;
}
.field.has-error input,
.field.has-error textarea { border-bottom-color: #a4342b; }

.form__status {
  margin-top: 1rem;
  font-size: 0.88rem;
  color: var(--accent-ink);
  min-height: 1.4em;
}

.contact__media { margin: clamp(3rem, 7vw, 6rem) 0 0; }
.contact__media img {
  width: 100%;
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

/* ── Footer ───────────────────────────────────────────────── */

.site-footer {
  background: var(--ink);
  color: var(--paper);
  padding-block: clamp(3rem, 6vw, 5rem);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}
.footer__name {
  font-family: var(--display);
  font-size: 2rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}
.footer__tag,
.footer__meta p {
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--paper) 58%, transparent);
}
.footer__nav { display: grid; gap: 0.6rem; font-size: 0.9rem; }
.footer__nav a,
.footer__meta a {
  width: fit-content;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s var(--ease);
}
.footer__nav a:hover,
.footer__meta a:hover { border-bottom-color: currentColor; }
.footer__meta { display: grid; gap: 0.9rem; font-size: 0.9rem; }

/* ── Responsive ───────────────────────────────────────────── */

@media (max-width: 1100px) {
  .services__list { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .stats { grid-template-columns: repeat(2, 1fr); }

  .about__grid { grid-template-columns: 1fr; }
  .about__intro, .about__body, .about__media, .about__media--tall {
    grid-column: 1 / -1; grid-row: auto;
  }
  .about__media img { aspect-ratio: 16 / 11; }

  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  .nav__toggle { display: inline-flex; }

  .nav__menu {
    position: absolute;
    top: 100%; left: 0; right: 0;
    display: grid;
    gap: 0;
    padding: 0 var(--gutter);
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    font-size: 1rem;
    max-height: 0;
    overflow: hidden;
    visibility: hidden;
    transition: max-height 0.4s var(--ease), padding 0.4s var(--ease), visibility 0.4s;
  }
  .nav__menu.is-open {
    max-height: 22rem;
    visibility: visible;
    padding-block: 1rem 1.6rem;
  }
  .nav__menu li { border-bottom: 1px solid var(--line); }
  .nav__menu li:last-child { border-bottom: 0; padding-top: 1.2rem; }
  .nav__menu a { display: block; padding-block: 0.9rem; }
  .nav__cta { text-align: center; }

  .hero__grid,
  .project,
  .contact__grid,
  .services__list { grid-template-columns: 1fr; }

  .hero__media { order: -1; }
  .hero__media img { aspect-ratio: 16 / 11; }

  .project--flip .project__text { order: 0; }
  .contact__media img { aspect-ratio: 16 / 10; }
}

@media (max-width: 480px) {
  .stats { grid-template-columns: 1fr; }
  .contact__details li { flex-direction: column; gap: 0.2rem; }
  .footer__grid { grid-template-columns: 1fr; }
}

/* ── Motion / print preferences ───────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

@media print {
  .site-header, .nav, .form, .hero__actions { display: none; }
  body { background: #fff; color: #000; }
}