/* Cairnmuir Management — brand stylesheet */

:root {
  --slate-charcoal: #2C3135;
  --deep-forest:    #33443C;
  --stone-grey:     #A7AAA4;
  --off-white:      #F5F4F1;
  --bronze:         #8A6A46;
  --bronze-light:   #D2A56F;  /* lighter bronze for legibility on photo overlays */

  --max-width: 1180px;
  --gutter: 1.5rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Source Sans Pro", system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--slate-charcoal);
  background: var(--off-white);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: "Montserrat", system-ui, sans-serif;
  font-weight: 600;
  color: var(--slate-charcoal);
  letter-spacing: 0.02em;
  margin: 0 0 1rem;
}

h1 { font-size: clamp(2rem, 4.5vw, 3.25rem); line-height: 1.15; letter-spacing: 0.04em; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); letter-spacing: 0.06em; text-transform: uppercase; }
h3 { font-family: "Montserrat", sans-serif; font-weight: 500; font-size: 1.15rem; letter-spacing: 0.08em; text-transform: uppercase; }

p { margin: 0 0 1.1rem; }

a { color: var(--bronze); text-decoration: none; }
a:hover { text-decoration: underline; }

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

/* ---------- Header ---------- */
.site-header {
  background: var(--off-white);
  border-bottom: 1px solid rgba(44, 49, 53, 0.08);
  position: sticky;
  top: 0;
  z-index: 50;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  color: var(--deep-forest);
}

.brand .cairn {
  width: 56px;
  height: 62px;
  display: block;
  color: var(--deep-forest);
}

.brand-name {
  font-family: "Montserrat", sans-serif;
  font-weight: 600;
  font-size: 1.35rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.brand-name small {
  display: block;
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.32em;
  color: var(--stone-grey);
  margin-top: 3px;
}

nav.primary { display: flex; gap: 2rem; }

nav.primary a {
  font-family: "Montserrat", sans-serif;
  font-weight: 500;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--slate-charcoal);
}

nav.primary a:hover,
nav.primary a.active {
  color: var(--bronze);
  text-decoration: none;
}

/* ---------- Hero ---------- */
.hero {
  background: var(--slate-charcoal);
  color: var(--off-white);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(44,49,53,0.28) 0%, rgba(31,35,38,0.48) 100%),
    radial-gradient(circle at 80% 30%, rgba(138,106,70,0.14), transparent 55%),
    url("../assets/photos/highland.jpg") center 60% / cover no-repeat;
}

/* Text on the hero needs extra punch against the photo */
.hero .eyebrow,
.hero .sub {
  color: var(--bronze-light);
  text-shadow: 0 1px 2px rgba(0,0,0,0.55);
}

.hero h1 {
  text-shadow: 0 2px 14px rgba(0,0,0,0.45);
}

.hero p.lead {
  text-shadow: 0 1px 3px rgba(0,0,0,0.55);
}

.hero .container {
  position: relative;
  padding-top: clamp(4rem, 9vw, 7rem);
  padding-bottom: clamp(4rem, 9vw, 7rem);
  max-width: 880px;
}

.eyebrow {
  font-family: "Montserrat", sans-serif;
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 1.2rem;
}

.hero h1 { color: var(--off-white); text-transform: uppercase; }

.hero .sub {
  font-family: "Montserrat", sans-serif;
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  color: var(--bronze);
  margin-top: 0.5rem;
  margin-bottom: 1.8rem;
}

.hero p.lead {
  font-size: 1.1rem;
  color: rgba(245,244,241,0.85);
  max-width: 640px;
}

.cta-row { margin-top: 2rem; display: flex; gap: 1rem; flex-wrap: wrap; }

.btn {
  display: inline-block;
  font-family: "Montserrat", sans-serif;
  font-weight: 500;
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0.95rem 1.6rem;
  border: 1px solid var(--bronze);
  color: var(--off-white);
  background: var(--bronze);
  transition: all 0.2s ease;
}

.btn:hover { background: transparent; color: var(--bronze); text-decoration: none; }

.btn.ghost {
  background: transparent;
  color: var(--off-white);
  border-color: rgba(245,244,241,0.5);
}

.btn.ghost:hover { border-color: var(--off-white); color: var(--off-white); }

/* ---------- Sections ---------- */
section.block {
  padding: clamp(3.5rem, 7vw, 6rem) 0;
}

section.block.alt {
  background: #fff;
  border-top: 1px solid rgba(44, 49, 53, 0.06);
  border-bottom: 1px solid rgba(44, 49, 53, 0.06);
}

section.block.dark {
  background: var(--deep-forest);
  color: var(--off-white);
}

section.block.dark h2,
section.block.dark h3 { color: var(--off-white); }

.section-head {
  max-width: 760px;
  margin-bottom: 2.5rem;
}

.section-head .kicker {
  font-family: "Montserrat", sans-serif;
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 0.8rem;
}

.rule {
  width: 60px;
  height: 2px;
  background: var(--bronze);
  margin: 0 0 1.6rem;
  border: 0;
}

/* ---------- Grid ---------- */
.grid {
  display: grid;
  gap: 1.75rem;
}
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 800px) {
  .grid.cols-2,
  .grid.cols-3,
  .grid.cols-4 { grid-template-columns: 1fr; }
}

.card {
  background: #fff;
  border: 1px solid rgba(44,49,53,0.08);
  padding: 2rem 1.75rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(44,49,53,0.08);
}

.card .icon {
  width: 34px;
  height: 38px;
  color: var(--bronze);
  display: block;
  margin-bottom: 1.1rem;
}

.card h3 { color: var(--slate-charcoal); margin-bottom: 0.5rem; }

.card p { margin: 0; color: rgba(44,49,53,0.85); font-size: 0.98rem; }

/* values cards on dark */
section.block.dark .card {
  background: rgba(245,244,241,0.05);
  border-color: rgba(245,244,241,0.15);
  color: var(--off-white);
}
section.block.dark .card p { color: rgba(245,244,241,0.85); }
section.block.dark .card .icon { color: var(--bronze); }

/* ---------- Two-column copy ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
@media (max-width: 800px) { .split { grid-template-columns: 1fr; gap: 2rem; } }

.split .image {
  background: var(--stone-grey);
  aspect-ratio: 4 / 3;
  background-size: cover;
  background-position: center;
  position: relative;
}

.split .image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(44,49,53,0.35), rgba(51,68,60,0.10));
}

/* ---------- Photo cards (themed) ---------- */
.photo-card {
  background: #fff;
  border: 1px solid rgba(44,49,53,0.08);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.photo-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(0,0,0,0.25);
}

.photo-card .photo {
  aspect-ratio: 4 / 3;
  background-size: cover;
  background-position: center;
}

.photo-card .body {
  padding: 1.25rem 1.25rem 1.4rem;
}

.photo-card h3 {
  color: var(--slate-charcoal);
  margin-bottom: 0.4rem;
  font-size: 0.92rem;
}

.photo-card p {
  margin: 0;
  font-size: 0.92rem;
  color: rgba(44,49,53,0.78);
}

/* photo cards on dark sections */
section.block.dark .photo-card {
  background: rgba(245,244,241,0.05);
  border-color: rgba(245,244,241,0.15);
}
section.block.dark .photo-card h3 { color: var(--off-white); }
section.block.dark .photo-card p { color: rgba(245,244,241,0.78); }

/* ---------- Contact ---------- */
form.contact {
  display: grid;
  gap: 1.1rem;
  max-width: 620px;
}

form.contact label {
  font-family: "Montserrat", sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--slate-charcoal);
  margin-bottom: 0.35rem;
  display: block;
}

form.contact input,
form.contact textarea {
  width: 100%;
  font-family: "Source Sans Pro", sans-serif;
  font-size: 1rem;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(44,49,53,0.2);
  background: #fff;
  color: var(--slate-charcoal);
  border-radius: 2px;
}

form.contact input:focus,
form.contact textarea:focus {
  outline: none;
  border-color: var(--bronze);
}

form.contact textarea { min-height: 140px; resize: vertical; }

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3rem;
}
@media (max-width: 800px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-info p { margin-bottom: 0.4rem; }
.contact-info .label {
  font-family: "Montserrat", sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-top: 1.4rem;
  margin-bottom: 0.25rem;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--deep-forest);
  color: var(--off-white);
  padding: 2.5rem 0 1.5rem;
}

.site-footer .top-rule {
  height: 4px;
  background: var(--bronze);
  width: 100%;
  margin-bottom: 2.5rem;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-family: "Montserrat", sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.footer-values { display: flex; gap: 1.2rem; color: var(--off-white); }
.footer-values span { color: rgba(245,244,241,0.6); }

.footer-legal {
  margin-top: 2rem;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(245,244,241,0.1);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: rgba(245,244,241,0.55);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tagline-bar {
  font-family: "Montserrat", sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--off-white);
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.tagline-bar svg { width: 22px; height: 14px; }

/* ============================================================
   Responsive — phones, tablets, Apple devices
   Breakpoints:
     1100px  iPad landscape / large tablet
      900px  tablet portrait — hamburger menu kicks in
      640px  large phone / phone landscape
      400px  small phone (iPhone SE, etc.)
   ============================================================ */

/* Kill sticky hover states on touch devices */
@media (hover: none) {
  .photo-card:hover,
  .card:hover {
    transform: none;
    box-shadow: 0 1px 0 rgba(0,0,0,0.04);
  }
  .btn:hover {
    background: var(--bronze);
    color: var(--off-white);
  }
  .btn.ghost:hover {
    background: transparent;
    color: var(--off-white);
    border-color: rgba(245,244,241,0.5);
  }
  nav.primary a:hover { color: var(--slate-charcoal); }
}

/* Hamburger checkbox + button — hidden on desktop, shown < 900px */
.nav-toggle { display: none; }

.nav-toggle-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  cursor: pointer;
  padding: 10px 8px;
  box-sizing: border-box;
  background: transparent;
  border: 0;
}
.nav-toggle-btn span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--deep-forest);
  transition: transform 0.25s ease, opacity 0.2s ease;
  transform-origin: center;
}

/* --- iPad landscape & large tablet --- */
@media (max-width: 1100px) {
  .grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
}

/* --- Tablet portrait & below: hamburger menu --- */
@media (max-width: 900px) {
  :root { --gutter: 1.1rem; }

  .site-header .container { position: relative; }

  /* Smaller logo on tablet/mobile */
  .brand { gap: 0.85rem; }
  .brand .cairn { width: 44px; height: 50px; }
  .brand-name { font-size: 1.15rem; letter-spacing: 0.15em; }
  .brand-name small { font-size: 0.62rem; letter-spacing: 0.28em; }

  /* Reveal hamburger */
  .nav-toggle-btn { display: flex; }

  /* Nav becomes full-width dropdown below header */
  nav.primary {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--off-white);
    flex-direction: column;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    border-top: 1px solid rgba(44,49,53,0.08);
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
    z-index: 90;
  }
  nav.primary a {
    padding: 1.1rem var(--gutter);
    border-bottom: 1px solid rgba(44,49,53,0.06);
    font-size: 0.85rem;
  }
  .nav-toggle:checked ~ nav.primary { max-height: 320px; }

  /* Hamburger → X animation when open */
  .nav-toggle:checked ~ .nav-toggle-btn span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .nav-toggle:checked ~ .nav-toggle-btn span:nth-child(2) { opacity: 0; }
  .nav-toggle:checked ~ .nav-toggle-btn span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  /* Grids: cols-2/3 stack, cols-4 stays 2x2 */
  .grid.cols-2,
  .grid.cols-3 { grid-template-columns: 1fr; }

  /* Tighter split image aspect on tablet */
  .split .image { aspect-ratio: 16 / 10; }

  /* Hero text scales down slightly */
  .hero .container { padding-top: 3.5rem; padding-bottom: 3.5rem; }
}

/* --- Phone --- */
@media (max-width: 640px) {
  :root { --gutter: 1rem; }

  h1 { letter-spacing: 0.02em; }
  h2 { letter-spacing: 0.04em; }

  .hero .container {
    padding-top: 2.75rem;
    padding-bottom: 2.75rem;
  }

  .hero p.lead { font-size: 1rem; }
  .hero .sub { font-size: 0.95rem; }

  /* CTAs stack full-width */
  .cta-row { flex-direction: column; align-items: stretch; }
  .cta-row .btn { text-align: center; }

  /* All grids collapse */
  .grid.cols-4 { grid-template-columns: 1fr; }

  /* Cards tighter */
  .card { padding: 1.5rem 1.25rem; }
  .photo-card .body { padding: 1rem 1.1rem 1.2rem; }

  /* Brand subtitle hidden — saves horizontal space */
  .brand-name small { display: none; }
  .brand-name { font-size: 1.05rem; }

  /* Section spacing */
  section.block { padding: 2.75rem 0; }

  /* Footer stacks */
  .footer-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.1rem;
  }
  .footer-legal {
    flex-direction: column;
    gap: 0.4rem;
  }
  .tagline-bar { font-size: 0.7rem; letter-spacing: 0.2em; }
  .footer-values { font-size: 0.7rem; gap: 0.8rem; }

  /* Form inputs: 16px so iOS doesn't zoom in on focus */
  form.contact input,
  form.contact textarea { font-size: 16px; }

  /* Split: shorter image on phone */
  .split .image { aspect-ratio: 16 / 11; }

  /* Container padding */
  .container { padding: 0 var(--gutter); }
}

/* --- Small phone (iPhone SE, older Androids) --- */
@media (max-width: 400px) {
  .brand .cairn { width: 36px; height: 40px; }
  .brand-name { font-size: 0.95rem; letter-spacing: 0.12em; }
  .brand { gap: 0.55rem; }
  nav.primary a { font-size: 0.78rem; padding: 1rem var(--gutter); }
  .hero .container { padding-top: 2.25rem; padding-bottom: 2.25rem; }
  .eyebrow { font-size: 0.7rem; letter-spacing: 0.24em; }
}