/* ==========================================================================
   Casabella Aruba — umbrella site styles
   Token set inherited from casabella-tower.com so the two read as one brand.
   Order: tokens → reset → primitives → header → hero → sections → footer
   ========================================================================== */

/* --- Tokens ------------------------------------------------------------- */

:root {
  /* Palette. Warm ink base, bone type, brass accent. */
  --ink-900: #0e0d0b;
  --ink-800: #16150f;
  --ink-700: #1f1d17;
  --ink-600: #2b281f;
  --line: rgba(233, 224, 207, 0.14);
  --line-strong: rgba(233, 224, 207, 0.28);

  --bone-100: #f6f1e7;
  --bone-300: #e9e0cf;
  --bone-500: rgba(233, 224, 207, 0.72);
  --bone-700: rgba(233, 224, 207, 0.5);

  --brass-400: #cfa863;
  --brass-500: #b98f45;
  --brass-600: #97722f;

  /* Status accents — one hue per project stage. */
  --st-complete: #8b9a7d;
  --st-selling: #cfa863;
  --st-planning: rgba(233, 224, 207, 0.45);

  /* Type */
  --font-display: "Cormorant Garamond", "Iowan Old Style", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;

  --step--1: clamp(0.78rem, 0.76rem + 0.1vw, 0.84rem);
  --step-0: clamp(0.95rem, 0.92rem + 0.16vw, 1.05rem);
  --step-1: clamp(1.15rem, 1.08rem + 0.35vw, 1.4rem);
  --step-2: clamp(1.5rem, 1.32rem + 0.9vw, 2.15rem);
  --step-3: clamp(2rem, 1.6rem + 2vw, 3.4rem);
  --step-4: clamp(2.6rem, 1.7rem + 4.4vw, 6rem);

  --gap-xs: 0.5rem;
  --gap-sm: 1rem;
  --gap-md: 2rem;
  --gap-lg: 4rem;
  --gap-xl: 7rem;

  --shell: 1240px;
  --shell-narrow: 780px;
  --pad-x: clamp(1.25rem, 5vw, 4.5rem);

  --radius: 2px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --header-h: 76px;
}

/* --- Reset -------------------------------------------------------------- */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  margin: 0;
  background: var(--ink-900);
  color: var(--bone-300);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.65;
  font-weight: 350;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, picture, video, svg { display: block; max-width: 100%; height: auto; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  text-wrap: balance;
  font-weight: 300;
  line-height: 1.06;
  letter-spacing: -0.015em;
  margin: 0;
  color: var(--bone-100);
}

p { margin: 0 0 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(--brass-400);
  outline-offset: 3px;
}

/* --- Primitives --------------------------------------------------------- */

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

.section { padding-block: var(--gap-xl); }
.section--tight { padding-block: var(--gap-lg); }
.section + .section { border-top: 1px solid var(--line); }

.eyebrow {
  font-size: var(--step--1);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brass-400);
  font-weight: 500;
  margin: 0 0 var(--gap-sm);
}

.lede {
  font-size: var(--step-1);
  color: var(--bone-500);
  font-weight: 300;
  max-width: 56ch;
}

.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: var(--pad-x);
  top: var(--gap-xs);
  z-index: 100;
  background: var(--brass-500);
  color: var(--ink-900);
  padding: 0.6rem 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.6rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  font-size: var(--step--1);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--bone-100);
  background: transparent;
  cursor: pointer;
  transition: background 0.35s var(--ease), border-color 0.35s var(--ease),
    color 0.35s var(--ease);
}
.btn:hover { border-color: var(--brass-400); color: var(--brass-400); }

.btn--solid {
  background: var(--brass-500);
  border-color: var(--brass-500);
  color: var(--ink-900);
}
.btn--solid:hover {
  background: var(--brass-400);
  border-color: var(--brass-400);
  color: var(--ink-900);
}

.btn--tower {
  border-color: var(--brass-500);
  color: var(--brass-400);
}
.btn--tower:hover {
  background: var(--brass-500);
  border-color: var(--brass-500);
  color: var(--ink-900);
}

/* Unresolved content. Loud on purpose — nothing ships with one of these. */
.todo {
  display: inline-block;
  background: rgba(207, 168, 99, 0.14);
  border: 1px dashed var(--brass-500);
  color: var(--brass-400);
  font-family: var(--font-body);
  font-size: 0.75em;
  letter-spacing: 0.06em;
  padding: 0 0.45em;
  border-radius: var(--radius);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
[data-reveal].is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* --- Header ------------------------------------------------------------- */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.is-stuck {
  background: rgba(14, 13, 11, 0.92);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}

.site-header .shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap-md);
}

.brand { display: flex; align-items: baseline; gap: 0.7rem; }
.brand__name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 0.02em;
  color: var(--bone-100);
}
.brand__sub {
  font-size: var(--step--1);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bone-700);
}

.nav ul { display: flex; gap: clamp(1rem, 2.4vw, 2.2rem); align-items: center; }
.nav a {
  font-size: var(--step--1);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bone-500);
  transition: color 0.3s var(--ease);
}
.nav a:hover { color: var(--brass-400); }

/* The one link that leaves this site — it should not look like the rest. */
.nav a.nav__cta {
  display: inline-block;
  padding: 0.45rem 0.95rem;
  border: 1px solid var(--brass-500);
  border-radius: 100px;
  color: var(--brass-400);
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
}
.nav a.nav__cta:hover {
  background: var(--brass-500);
  color: var(--ink-900);
}

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  cursor: pointer;
  position: relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 12px;
  width: 18px; height: 1px;
  background: var(--bone-100);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}
.nav-toggle span { top: 21px; }
.nav-toggle span::before { left: 0; top: -6px; }
.nav-toggle span::after { left: 0; top: 6px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }

/* --- Hero --------------------------------------------------------------- */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  /* Clears the fixed header: a tall headline would otherwise ride up under
     it and collide with the wordmark. */
  padding-top: calc(var(--header-h) + var(--gap-md));
  padding-bottom: clamp(3rem, 8vh, 6rem);
  isolation: isolate;
}
.hero__media { position: absolute; inset: 0; z-index: -2; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; }
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  /* The ramp has to be dark from ~55% down, where the headline, tagline and
     eyebrow all sit — the render is brightest exactly there. */
  background: linear-gradient(
    180deg,
    rgba(14, 13, 11, 0.72) 0%,
    rgba(14, 13, 11, 0.30) 26%,
    rgba(14, 13, 11, 0.68) 58%,
    rgba(14, 13, 11, 0.9) 86%,
    var(--ink-900) 100%
  );
}
/* Wide enough for the display headline to breathe — the tagline sets its own
   narrower measure below. A ch-based cap here is sized by the body font and
   throttles an 80px serif to three words a line. */
.hero__inner { max-width: min(700px, 100%); }
.hero h1 {
  font-size: var(--step-4);
  margin-bottom: var(--gap-sm);
  text-wrap: balance;
}
.hero__tagline {
  font-size: var(--step-1);
  color: var(--bone-300);
  font-weight: 300;
  margin-bottom: var(--gap-md);
  max-width: 34ch;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--gap-sm); }

/* --- Stat strip --------------------------------------------------------- */

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stats > div {
  padding: var(--gap-md) var(--gap-sm);
  text-align: center;
}
.stats > div + div { border-left: 1px solid var(--line); }
.stats dt {
  font-size: var(--step--1);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bone-700);
  margin-bottom: 0.4rem;
}
.stats dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--step-2);
  color: var(--bone-100);
  line-height: 1;
}

/* --- Split (image + prose) ---------------------------------------------- */

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}
.split--reverse .split__media { order: 2; }
.split__media img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius);
}
.split h2 { font-size: var(--step-3); margin-bottom: var(--gap-sm); }
.split__body { color: var(--bone-500); }

/* --- Mission ------------------------------------------------------------ */

.mission__head { max-width: var(--shell-narrow); }
.mission__head h2 { font-size: var(--step-3); margin-bottom: var(--gap-sm); }

.eco {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: var(--gap-lg);
}
.eco__item {
  background: var(--ink-900);
  padding: var(--gap-md);
}
.eco__item h3 {
  font-size: var(--step-1);
  margin-bottom: 0.7rem;
  padding-top: var(--gap-sm);
  border-top: 2px solid var(--brass-500);
  display: inline-block;
}
.eco__item p { color: var(--bone-500); font-size: 0.95em; }

/* --- Portfolio ---------------------------------------------------------- */

.portfolio__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--gap-md);
  margin-bottom: var(--gap-lg);
}
.portfolio__head h2 { font-size: var(--step-3); }

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-xs);
}
.filter {
  padding: 0.5rem 1rem;
  border: 1px solid var(--line);
  border-radius: 100px;
  background: transparent;
  color: var(--bone-500);
  font-family: inherit;
  font-size: var(--step--1);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.3s var(--ease);
}
.filter:hover { border-color: var(--line-strong); color: var(--bone-100); }
.filter[aria-pressed="true"] {
  background: var(--bone-100);
  border-color: var(--bone-100);
  color: var(--ink-900);
}
.filter__count { opacity: 0.55; margin-left: 0.35em; }

.projects {
  display: grid;
  /* auto-FIT, not auto-fill: with two projects the empty third track collapses
     and the cards fill the row, instead of leaving a hole on the right. A third
     project re-forms the three-column row on its own. */
  grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
  gap: var(--gap-md);
}

.project {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
  overflow: hidden;
  transition: border-color 0.4s var(--ease), transform 0.4s var(--ease);
}
.project:hover { border-color: var(--line-strong); transform: translateY(-3px); }
.project[hidden] { display: none; }

.project__media {
  position: relative;
  aspect-ratio: 3 / 2;
  background: linear-gradient(140deg, var(--ink-700), var(--ink-600));
  overflow: hidden;
}
.project__media img { width: 100%; height: 100%; object-fit: cover; }

/* Cards with no photography yet get a drawn placeholder, not a broken box. */
.project__media--empty {
  display: grid;
  place-items: center;
}
.project__media--empty::after {
  content: "Imagery to come";
  font-size: var(--step--1);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bone-700);
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--step--1);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--bone-500);
}
.status::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--dot, var(--st-planning));
  flex: none;
}
.project__media .status {
  position: absolute;
  left: var(--gap-sm);
  top: var(--gap-sm);
  background: rgba(14, 13, 11, 0.82);
  backdrop-filter: blur(8px);
  padding: 0.4rem 0.8rem;
  border-radius: 100px;
  border: 1px solid var(--line);
}

.project[data-status="complete"] { --dot: var(--st-complete); }
.project[data-status="selling"] { --dot: var(--st-selling); }
.project[data-status="planning"] { --dot: var(--st-planning); }

.project__body {
  padding: var(--gap-md);
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: var(--gap-sm);
}
.project__name { font-size: var(--step-2); }
.project__place {
  font-size: var(--step--1);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brass-400);
  margin-top: 0.35rem;
}
.project__blurb { color: var(--bone-500); font-size: 0.95em; flex: 1; }

.project__facts {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-sm) var(--gap-md);
  padding-top: var(--gap-sm);
  border-top: 1px solid var(--line);
  margin: 0;
}
.project__facts div { min-width: 0; }
.project__facts dt {
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bone-700);
  margin-bottom: 0.2rem;
}
.project__facts dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--step-1);
  color: var(--bone-100);
  line-height: 1.1;
}

.project__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--step--1);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--brass-400);
  border-top: 1px solid var(--line);
  padding-top: var(--gap-sm);
  transition: gap 0.3s var(--ease);
}
.project__link:hover { gap: 0.9rem; }
.project__link--muted {
  color: var(--bone-700);
  cursor: default;
  pointer-events: none;
}

.project--soon {
  background: linear-gradient(155deg, var(--ink-800) 0%, var(--ink-700) 100%);
  min-height: 300px;
}
.project--soon .project__body { justify-content: space-between; }
.project--soon .status { color: var(--bone-700); }

.project__year {
  font-family: var(--font-display);
  font-size: var(--step-3);
  line-height: 1;
  color: var(--bone-100);
  margin: 0;
  font-variant-numeric: tabular-nums;
}

.projects__empty {
  color: var(--bone-700);
  padding: var(--gap-lg) 0;
  text-align: center;
  grid-column: 1 / -1;
}

/* --- Contact ------------------------------------------------------------ */

.contact { background: var(--ink-800); }
.contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 6vw, 5rem);
}
.contact h2 { font-size: var(--step-3); margin-bottom: var(--gap-sm); }

.contact__routes { margin-top: var(--gap-md); display: grid; gap: var(--gap-sm); }
.contact__routes li {
  display: flex;
  gap: var(--gap-sm);
  align-items: baseline;
  color: var(--bone-500);
  font-size: 0.95em;
}
.contact__routes strong {
  color: var(--bone-100);
  font-weight: 500;
  min-width: 7.5rem;
  font-size: var(--step--1);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.field { display: grid; gap: 0.45rem; margin-bottom: var(--gap-sm); }
.field label {
  font-size: var(--step--1);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bone-500);
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--ink-900);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--bone-100);
  font-family: inherit;
  font-size: var(--step-0);
}
.field textarea { min-height: 120px; resize: vertical; }

.field__opt {
  color: var(--bone-700);
  letter-spacing: 0.08em;
  text-transform: none;
  font-style: italic;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--brass-500);
}
.field--pair { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap-sm); }

.form__note {
  font-size: var(--step--1);
  color: var(--bone-700);
  margin-top: var(--gap-sm);
}
.hp { position: absolute; left: -9999px; }

.form__status {
  margin-top: var(--gap-sm);
  padding: var(--gap-sm);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--bone-100);
  font-size: 0.95em;
}
.form__status[hidden] { display: none; }

/* --- Footer ------------------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding-block: var(--gap-lg) var(--gap-md);
  font-size: var(--step--1);
  color: var(--bone-700);
}
.site-footer__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--gap-md);
  margin-bottom: var(--gap-lg);
}
.site-footer h3 {
  font-family: var(--font-body);
  font-size: var(--step--1);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bone-500);
  margin-bottom: var(--gap-sm);
  font-weight: 500;
}
.site-footer li + li { margin-top: 0.5rem; }
.site-footer a:hover { color: var(--brass-400); }
.site-footer__base {
  border-top: 1px solid var(--line);
  padding-top: var(--gap-md);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--gap-sm);
}

/* --- Media -------------------------------------------------------------- */

@media (max-width: 900px) {
  .split,
  .eco,
  .contact__grid { grid-template-columns: 1fr; }
  .split--reverse .split__media { order: 0; }
  .split__media img { aspect-ratio: 3 / 2; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stats > div:nth-child(3) { border-left: none; }
  .stats > div:nth-child(n + 3) { border-top: 1px solid var(--line); }
}

@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto;
    background: rgba(14, 13, 11, 0.97);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
    transform: translateY(-120%);
    transition: transform 0.4s var(--ease);
  }
  .nav.is-open { transform: none; }
  .nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--gap-sm) var(--pad-x) var(--gap-md);
  }
  .nav a {
    display: block;
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--line);
  }
  .brand__sub { display: none; }
  .field--pair { grid-template-columns: 1fr; }
  .projects { grid-template-columns: 1fr; }
}

@media (max-width: 420px) {
  .stats { grid-template-columns: 1fr; }
  .stats > div + div { border-left: none; border-top: 1px solid var(--line); }
}