/* =====================================================================
   Zephyr Legacy Ltd — shared stylesheet
   Boutique real estate development, Limassol, Cyprus
   Architectural minimalism: warm cream, charcoal, restrained bronze.
   Editorial serif (Fraunces) + clean sans (Inter).
   Edit the design tokens below to re-tune the whole site.
   ===================================================================== */

/* ---------------------------------------------------------------------
   1. DESIGN TOKENS (CSS custom properties)
   --------------------------------------------------------------------- */
:root {
  /* Color — warm minimalist palette */
  --color-bg:          #F6F2EC;  /* off-white / cream page background */
  --color-surface:     #FBF8F3;  /* slightly lighter card / panel */
  --color-surface-alt: #EEE7DC;  /* muted warm panel for alternating sections */
  --color-ink:         #1F1B16;  /* warm charcoal — primary text */
  --color-ink-soft:    #4A443B;  /* secondary text */
  --color-ink-muted:   #857C6E;  /* captions, eyebrows, meta */
  --color-line:        #D8CFC0;  /* hairline dividers / borders */
  --color-accent:      #8B6F47;  /* deep bronze — the single restrained accent */
  --color-accent-deep: #6F5836;  /* darker bronze for hover */

  /* Typography */
  --font-serif: "Fraunces", Georgia, "Times New Roman", serif;
  --font-sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --text-hero:  clamp(2.5rem, 6vw, 5rem);
  --text-h1:    clamp(2.2rem, 4.5vw, 3.75rem);
  --text-h2:    clamp(1.75rem, 3.2vw, 2.75rem);
  --text-h3:    clamp(1.25rem, 2vw, 1.6rem);
  --text-lead:  clamp(1.05rem, 1.4vw, 1.3rem);
  --text-body:  1.0625rem;
  --text-small: 0.875rem;
  --text-eyebrow: 0.75rem;

  --leading-tight: 1.08;
  --leading-snug:  1.25;
  --leading-body:  1.7;

  /* Spacing scale */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;
  --space-7: 9rem;

  /* Layout */
  --maxw: 1240px;
  --gutter: clamp(1.25rem, 5vw, 4rem);
  --header-h: 76px;

  /* Motion */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur: 0.5s;
}

/* ---------------------------------------------------------------------
   2. RESET / BASE
   --------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: var(--leading-tight);
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--color-ink);
}

p { margin: 0; }

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

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

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

/* Focus visibility for accessibility */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------------------------------------------------------------------
   3. LAYOUT HELPERS
   --------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--space-6); }
.section--tight { padding-block: var(--space-5); }
.section--alt { background: var(--color-surface-alt); }

.eyebrow {
  font-family: var(--font-sans);
  font-size: var(--text-eyebrow);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 600;
  color: var(--color-accent);
  margin: 0 0 var(--space-2);
  display: inline-block;
}

.lead {
  font-size: var(--text-lead);
  color: var(--color-ink-soft);
  line-height: 1.55;
  max-width: 60ch;
}

.hairline {
  border: 0;
  border-top: 1px solid var(--color-line);
  margin: 0;
}

.text-muted { color: var(--color-ink-muted); }

/* ---------------------------------------------------------------------
   4. BUTTONS / LINKS
   --------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-sans);
  font-size: var(--text-small);
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 0.85rem 1.6rem;
  border: 1px solid var(--color-ink);
  background: var(--color-ink);
  color: var(--color-bg);
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
              border-color var(--dur) var(--ease);
}
.btn:hover { background: var(--color-accent-deep); border-color: var(--color-accent-deep); }

.btn--outline {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-ink);
}
.btn--outline:hover { background: var(--color-ink); color: var(--color-bg); }
.btn--telegram { display: inline-flex; align-items: center; }
.btn--telegram:hover { background: #229ED9; border-color: #229ED9; color: #fff; }

.btn--pill { border-radius: 999px; padding: 0.6rem 1.3rem; }

/* Text link with sliding underline on hover */
.link-underline {
  position: relative;
  font-weight: 500;
  color: var(--color-accent);
}
.link-underline::after {
  content: "";
  position: absolute;
  left: 0; bottom: -3px;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease);
}
.link-underline:hover::after { transform: scaleX(1); }
.link-underline .arrow { transition: transform var(--dur) var(--ease); display: inline-block; }
.link-underline:hover .arrow { transform: translateX(4px); }

/* ---------------------------------------------------------------------
   5. HEADER / NAVIGATION
   --------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), padding var(--dur) var(--ease),
              background var(--dur) var(--ease);
}
.site-header.is-scrolled {
  border-bottom-color: var(--color-line);
  background: color-mix(in srgb, var(--color-bg) 96%, transparent);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  transition: height var(--dur) var(--ease);
}
.site-header.is-scrolled .nav { height: 60px; }

.brand { display: inline-flex; align-items: center; color: var(--color-ink); }
.brand svg { height: 26px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 2.5vw, 2.5rem);
}
.nav-links a {
  font-size: var(--text-small);
  font-weight: 500;
  color: var(--color-ink-soft);
  position: relative;
  padding-block: 4px;
  transition: color var(--dur) var(--ease);
}
.nav-links a::after {
  content: "";
  position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease);
}
.nav-links a:hover { color: var(--color-ink); }
.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after { transform: scaleX(1); }
.nav-links a[aria-current="page"] { color: var(--color-ink); }

.nav-cta { margin-left: 0.5rem; }

/* Hamburger button */
.nav-toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
  color: var(--color-ink);
}
.nav-toggle span {
  display: block;
  width: 24px; height: 1.5px;
  background: currentColor;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.nav-toggle span + span { margin-top: 6px; }

/* Full-screen mobile menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  padding: var(--gutter);
  transform: translateY(-100%);
  transition: transform var(--dur) var(--ease);
  visibility: hidden;
}
.mobile-menu.is-open { transform: translateY(0); visibility: visible; }
.mobile-menu-top {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-h);
}
.mobile-menu-close {
  background: none; border: 0; cursor: pointer; color: var(--color-ink);
  font-size: 1.75rem; line-height: 1; padding: 8px;
}
.mobile-menu nav {
  display: flex; flex-direction: column; gap: var(--space-3);
  margin-top: var(--space-5);
}
.mobile-menu nav a {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 8vw, 3rem);
  color: var(--color-ink);
}
.mobile-menu nav a:hover { color: var(--color-accent); }
.mobile-menu .btn { margin-top: var(--space-4); align-self: flex-start; }

/* ---------------------------------------------------------------------
   6. HERO
   --------------------------------------------------------------------- */
.hero { position: relative; }

.hero--full {
  min-height: min(88vh, 780px);
  display: flex;
  align-items: flex-end;
  color: #fff;
  overflow: hidden;
}
.hero--full .hero-bg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: -2;
}
.hero--full::after {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(to top, rgba(20,17,13,0.88) 0%, rgba(20,17,13,0.45) 45%, rgba(20,17,13,0.35) 100%),
    linear-gradient(to right, rgba(20,17,13,0.55) 0%, rgba(20,17,13,0.0) 55%);
  z-index: -1;
}
.hero--full .container { padding-bottom: var(--space-6); padding-top: var(--space-6); width: 100%; }
.hero--full .eyebrow { color: #E9D9BF; }
.hero-title {
  font-size: var(--text-hero);
  max-width: 16ch;
  margin-bottom: var(--space-3);
}
.hero--full .hero-title { color: #fff; text-shadow: 0 2px 24px rgba(20,17,13,0.35); }
.hero--full .hero-sub { color: rgba(255,255,255,0.95); max-width: 54ch; text-shadow: 0 1px 12px rgba(20,17,13,0.4); }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-4); }

.hero--full .btn { border-color: #fff; background: #fff; color: var(--color-ink); }
.hero--full .btn:hover { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }
.hero--full .btn--outline { background: transparent; color: #fff; }
.hero--full .btn--outline:hover { background: #fff; color: var(--color-ink); }

/* Inner-page hero variant: type on cream, image beside/below */
.hero--split { padding-block: var(--space-6) var(--space-5); }
.hero--split .hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: end;
}
.hero--split .hero-title { color: var(--color-ink); max-width: 14ch; }
.hero--split .hero-sub { color: var(--color-ink-soft); max-width: 46ch; margin-top: var(--space-3); }
.hero--split .hero-media img {
  width: 100%; aspect-ratio: 4/5; object-fit: cover;
}

/* ---------------------------------------------------------------------
   7. SECTION HEADS
   --------------------------------------------------------------------- */
.section-head { max-width: 62ch; margin-bottom: var(--space-5); }
.section-head h2 { font-size: var(--text-h2); margin-bottom: var(--space-2); }
.section-head .lead { margin-top: var(--space-2); }
.section-head .btn, .section-head .link-underline { margin-top: var(--space-3); }

/* Two-column head: title left, intro + cta right */
.head-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: end;
  margin-bottom: var(--space-5);
}
.head-split h2 { font-size: var(--text-h2); }

/* ---------------------------------------------------------------------
   8. NUMBERED SERVICE LIST
   --------------------------------------------------------------------- */
.services-list { display: grid; gap: 0; }
.service-item {
  display: grid;
  grid-template-columns: 5rem 1fr;
  gap: clamp(1rem, 4vw, 3rem);
  padding-block: var(--space-4);
  border-top: 1px solid var(--color-line);
}
.service-item:last-child { border-bottom: 1px solid var(--color-line); }
.service-num {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-accent);
  line-height: 1;
}
.service-body h3 { font-size: var(--text-h3); margin-bottom: var(--space-1); }
.service-body p { color: var(--color-ink-soft); max-width: 60ch; }

/* ---------------------------------------------------------------------
   9. FEATURE ROWS (alternating image / text)
   --------------------------------------------------------------------- */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.feature-row + .feature-row { margin-top: var(--space-6); }
.feature-row.reverse .feature-media { order: 2; }
.feature-media img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.feature-media.tall img { aspect-ratio: 3/4; }
.feature-text h2 { font-size: var(--text-h2); margin-bottom: var(--space-3); }
.feature-text p { color: var(--color-ink-soft); }
.feature-text p + p { margin-top: var(--space-2); }
.feature-text .btn, .feature-text .link-underline { margin-top: var(--space-3); }

/* ---------------------------------------------------------------------
   10. PROJECT CARDS GRID
   --------------------------------------------------------------------- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.25rem, 2.5vw, 2rem) clamp(1.25rem, 2.5vw, 2rem);
}
.project-grid--two { grid-template-columns: repeat(2, 1fr); }
.project-card { display: block; }
.project-card .thumb { overflow: hidden; }
.project-card .thumb img {
  width: 100%; aspect-ratio: 4/3; object-fit: cover;
  transition: transform 0.7s var(--ease);
}
.project-card:hover .thumb img { transform: scale(1.04); }
.project-meta { margin-top: var(--space-2); }
.project-meta .tag {
  font-size: var(--text-eyebrow);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-ink-muted);
  font-weight: 600;
}
.project-meta h3 {
  font-size: var(--text-h3);
  margin-top: 6px;
}
.project-meta p { color: var(--color-ink-soft); font-size: var(--text-small); margin-top: 4px; }

/* ---------------------------------------------------------------------
   11. STATS / DETAIL LIST / PARTNER LIST
   --------------------------------------------------------------------- */
.detail-list { display: grid; gap: 0; margin-top: var(--space-3); }
.detail-list .row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--space-2);
  padding-block: var(--space-2);
  border-top: 1px solid var(--color-line);
}
.detail-list .row:last-child { border-bottom: 1px solid var(--color-line); }
.detail-list dt { color: var(--color-ink-muted); font-size: var(--text-small); text-transform: uppercase; letter-spacing: 0.08em; }
.detail-list dd { margin: 0; font-weight: 500; }

.role-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-line);
  border: 1px solid var(--color-line);
}
.role-grid li {
  background: var(--color-bg);
  padding: var(--space-3);
  font-weight: 500;
}
.role-grid li::before {
  content: "";
  display: inline-block;
  width: 6px; height: 6px;
  background: var(--color-accent);
  margin-right: 0.65rem;
  vertical-align: middle;
}

.partner-line {
  display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-4);
  align-items: center; margin-top: var(--space-3);
}
.partner-line .partner {
  font-family: var(--font-serif);
  font-size: var(--text-h3);
  color: var(--color-ink);
}
.partner-line .partner + .partner { border-left: 1px solid var(--color-line); padding-left: var(--space-4); }

/* ---------------------------------------------------------------------
   12. CALLOUT (image + text CTA band)
   --------------------------------------------------------------------- */
.callout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.callout .callout-media img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
.callout h2 { font-size: var(--text-h2); margin-bottom: var(--space-2); }
.callout p { color: var(--color-ink-soft); }

/* ---------------------------------------------------------------------
   13. CONTACT FORM
   --------------------------------------------------------------------- */
.contact-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}
.contact-media img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 3/4; }

.form { display: grid; gap: var(--space-3); }
.field { display: grid; gap: 0.5rem; }
.field label {
  font-size: var(--text-small);
  font-weight: 500;
  color: var(--color-ink-soft);
}
.field input,
.field textarea {
  font-family: var(--font-sans);
  font-size: var(--text-body);
  color: var(--color-ink);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  padding: 0.85rem 1rem;
  width: 100%;
  transition: border-color var(--dur) var(--ease);
}
.field input:focus,
.field textarea:focus { outline: none; border-color: var(--color-accent); }
.field textarea { resize: vertical; min-height: 130px; }
.field .error-msg {
  font-size: var(--text-small);
  color: #9c3b2e;
  display: none;
}
.field.has-error input,
.field.has-error textarea { border-color: #9c3b2e; }
.field.has-error .error-msg { display: block; }

.form .btn { justify-self: start; margin-top: var(--space-1); }

.form-status { font-size: var(--text-small); margin-top: var(--space-1); }
.form-success {
  display: none;
  padding: var(--space-3);
  border: 1px solid var(--color-accent);
  background: color-mix(in srgb, var(--color-accent) 8%, var(--color-surface));
  font-family: var(--font-serif);
  font-size: var(--text-h3);
  line-height: 1.3;
}
.form-success.is-visible { display: block; }
.form-fallback {
  display: none;
  font-size: var(--text-small);
  color: #9c3b2e;
  margin-top: var(--space-2);
}
.form-fallback.is-visible { display: block; }
.form-fallback a { color: var(--color-accent); text-decoration: underline; }

/* Address block */
.address-block { line-height: 1.9; }
.address-block .company { font-family: var(--font-serif); font-size: var(--text-h3); margin-bottom: var(--space-2); }
.address-block a.link-underline { color: var(--color-accent); }

/* ---------------------------------------------------------------------
   14. FOOTER
   --------------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--color-line);
  padding-block: var(--space-6) var(--space-4);
  margin-top: var(--space-6);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
}
.footer-brand svg { height: 26px; margin-bottom: var(--space-3); color: var(--color-ink); }
.footer-brand p { color: var(--color-ink-soft); font-size: var(--text-small); max-width: 34ch; }
.footer-col h4 {
  font-family: var(--font-sans);
  font-size: var(--text-eyebrow);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-2);
}
.footer-col ul { display: grid; gap: 0.6rem; }
.footer-col a { font-size: var(--text-small); color: var(--color-ink-soft); }
.footer-col a:hover { color: var(--color-accent); }
.footer-bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-2);
  margin-top: var(--space-5); padding-top: var(--space-3);
  border-top: 1px solid var(--color-line);
  font-size: var(--text-small); color: var(--color-ink-muted);
}

/* ---------------------------------------------------------------------
   15. SCROLL REVEAL
   --------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  will-change: opacity, transform;
}
.reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ---------------------------------------------------------------------
   16. RESPONSIVE
   --------------------------------------------------------------------- */
@media (max-width: 900px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: block; }

  .hero--split .hero-grid { grid-template-columns: 1fr; }
  .hero--split .hero-media { display: none; }

  .head-split { grid-template-columns: 1fr; gap: var(--space-3); align-items: start; }

  .feature-row { grid-template-columns: 1fr; gap: var(--space-3); }
  .feature-row.reverse .feature-media { order: 0; }

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

  .callout { grid-template-columns: 1fr; }
  .contact-block { grid-template-columns: 1fr; }
  .contact-media { display: none; }

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

  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }

  .detail-list .row { grid-template-columns: 1fr; gap: 4px; }
}

@media (max-width: 560px) {
  .project-grid, .project-grid--two { grid-template-columns: 1fr; }
  .role-grid { grid-template-columns: 1fr; }
  .service-item { grid-template-columns: 1fr; gap: var(--space-1); }
  .service-num { font-size: 1.25rem; }
  .hero-actions .btn { flex: 1 1 auto; justify-content: center; }
  .partner-line .partner + .partner { border-left: 0; padding-left: 0; }
}