/* ============================================================
   FLORIDA ICE SCULPTURES — "THE ARCTIC MINIMALIST"
   Core Stylesheet | Phase 1a
   ============================================================ */

/* ---------- 1. DESIGN TOKENS ---------- */
:root {
  /* Palette — "ICE ON BLACK" (Theme A) */
  --bg-pure:        #0A0C12;   /* Near-black canvas            */
  --bg-alabaster:   #131722;   /* Elevated section backgrounds */
  --bg-frost:       #1A2130;   /* Ice-dark accent areas        */
  --ink:            #F2F5F8;   /* Light text (primary)         */
  --ink-soft:       #C4CFDC;   /* Secondary / muted text       */
  --ice:            #A9CCF0;   /* Accent / CTA ice blue        */
  --ice-hover:      #C7E3FF;   /* CTA hover state              */
  --ice-tint:       rgba(169, 204, 240, 0.30); /* focus ring   */
  --ink-on-ice:     #0B0D12;   /* Dark text on ice-blue        */
  --border:         #2E3A4E;   /* Hairline dividers            */

  /* Typography */
  --font-display: 'Montserrat', 'Helvetica Neue', Arial, sans-serif;
  --font-body:    'Open Sans', 'Segoe UI', Arial, sans-serif;

  /* Rhythm */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 2rem;
  --space-4: 2.2rem;
  --space-5: 3.2rem;

  --radius: 3px;              /* Almost sharp, never harsh     */
  --max-width: 1200px;
  --header-h: 72px;

  /* Motion */
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --speed: 0.45s;
}

/* ---------- 2. RESET & BASE ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--ink);
  background: var(--bg-pure);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--ice); text-decoration: none; transition: color var(--speed) var(--ease); }
a:hover { color: var(--ice-hover); }
ul { list-style: none; }

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

/* ---------- 3. TYPOGRAPHY SYSTEM ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.08em;   /* Luxury tracking */
  line-height: 1.25;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); text-transform: uppercase; }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.4rem); text-transform: uppercase; }
h3 { font-size: 1.25rem; letter-spacing: 0.06em; }

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--ice);
  display: block;
  margin-bottom: var(--space-2);
}

.lead {
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  color: var(--ink-soft);
  max-width: 62ch;
}

.small-caps {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* ---------- 4. LAYOUT PRIMITIVES ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-3);
}

.section { padding-block: var(--space-5); }
.section--tint { background: var(--bg-pure); }
.section--frost { background: var(--bg-pure); }

.section-head {
  max-width: 720px;
  margin-bottom: var(--space-3);
}
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .lead { margin-inline: auto; }

/* ---------- 5. HEADER / NAVIGATION ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  background: rgba(12, 15, 22, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

.nav {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.95rem;
  color: var(--ink);
}
.brand img { height: 40px; width: auto; }
.brand:hover { color: var(--ice); }

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.nav-menu a {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
  position: relative;
  padding-block: 6px;
}
/* Elegant animated underline on hover */
.nav-menu a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--ice);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s var(--ease);
}
.nav-menu a:hover::after,
.nav-menu a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}
.nav-menu a[aria-current="page"] { color: var(--ice); }

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 44px; height: 44px;
  cursor: pointer;
  position: relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 12px;
  width: 20px; height: 2px;
  background: var(--ink);
  transition: transform 0.3s var(--ease), top 0.3s var(--ease), opacity 0.3s;
}
.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 { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after  { top: 0; transform: rotate(-45deg); }

/* ---------- 6. BUTTONS ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.85rem 2rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--speed) var(--ease);
  position: relative;
}

.btn--primary {
  background: var(--ice);
  color: var(--ink-on-ice);
}
.btn--primary:hover {
  background: var(--ice-hover);
  color: var(--ink-on-ice);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(169, 204, 240, 0.28);
}

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: rgba(255, 255, 255, 0.55);
}
.btn--ghost:hover {
  background: var(--ink);
  color: var(--bg-pure);
  transform: translateY(-2px);
}

.btn--on-dark {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.7);
}
.btn--on-dark:hover {
  background: #fff;
  color: var(--ink);
}

.btn:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--ice-tint);
  outline-offset: 2px;
}

/* ---------- 7. HERO ---------- */
.hero {
  position: relative;
  min-height: 62vh;
  min-height: 62svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  color: #fff;
  background: var(--ink) center / cover no-repeat; /* fallback */
}
.hero__media {
  position: absolute;
  inset: 0;
  background: center / cover no-repeat;
  transform: scale(1.05);
  transition: transform 8s linear;
}
.hero.is-loaded .hero__media { transform: scale(1); }
.hero__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    rgba(20, 30, 42, 0.55) 0%,
    rgba(20, 30, 42, 0.35) 45%,
    rgba(20, 30, 42, 0.65) 100%);
}
.hero__content {
  position: relative;
  z-index: 2;
  padding: var(--space-4) var(--space-3);
  max-width: 820px;
}
.hero h1 {
  color: #fff;
  letter-spacing: 0.3em;   /* Ultra-spaced "LIMITLESS." */
  margin-bottom: var(--space-2);
}
.hero .lead {
  color: rgba(255, 255, 255, 0.9);
  margin-inline: auto;
  margin-bottom: var(--space-3);
}
.hero .btn-row {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
  flex-wrap: wrap;
}
.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-family: var(--font-display);
  animation: drift 2.4s ease-in-out infinite;
}
@keyframes drift {
  0%, 100% { transform: translate(-50%, 0); opacity: .8; }
  50%      { transform: translate(-50%, 8px); opacity: .4; }
}

/* ---------- 8. IMAGE SLOTS & MASONRY GALLERY ---------- */
/* Masonry via CSS columns — works with mixed orientations.
   Add .masonry__item wrappers (images or figure) inside. */
.masonry {
  columns: 4;
  column-gap: 16px;
}
.masonry--3 { columns: 3; }
.masonry--2 { columns: 2; }

.masonry__item {
  break-inside: avoid;
  margin-bottom: 16px;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--bg-pure);
}
.masonry__item img {
  width: 100%;
  display: block;
  transition: transform 0.8s var(--ease);
}
/* Elegant hover: subtle zoom + reveal of caption */
.masonry__item:hover img { transform: scale(1.04); }

.masonry__caption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 1.4rem 1.2rem 1rem;
  background: linear-gradient(180deg, transparent, rgba(20, 30, 42, 0.75));
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}
.masonry__item:hover .masonry__caption,
.masonry__item:focus-within .masonry__caption {
  opacity: 1;
  transform: translateY(0);
}

/* Individual "featured" image slots for content pages */
.slot {
  background: var(--bg-alabaster);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: grid;
  place-items: center;
  min-height: 220px;
  color: var(--ink-soft);
}
.slot img { width: 100%; height: 100%; object-fit: cover; }
.slot__placeholder {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
}

/* ---------- 9. FEATURE CARDS (Artistry / USP) ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}
.feature-card {
  padding: var(--space-3);
  background: var(--bg-alabaster);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform var(--speed) var(--ease), box-shadow var(--speed) var(--ease);
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(44, 62, 80, 0.08);
  border-color: var(--ice-tint);
}
.feature-card .num {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  color: var(--ice);
  display: block;
  margin-bottom: var(--space-2);
}
.feature-card h3 { margin-bottom: var(--space-1); }
.feature-card p { color: var(--ink-soft); font-size: 0.95rem; }

/* ---------- 10. CATEGORY TILES (Collection preview) ---------- */
.tile-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}
.tile {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  min-height: 240px;
  display: flex;
  align-items: flex-end;
  background: var(--bg-alabaster) center / cover no-repeat;
}
.tile::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(20,30,42,0.7));
  transition: background 0.5s var(--ease);
}
.tile__label {
  position: relative;
  z-index: 2;
  padding: var(--space-3);
  color: #fff;
}
.tile__label h3 {
  color: #fff;
  font-size: 1.3rem;
  letter-spacing: 0.12em;
}
.tile__label .small-caps { color: rgba(255,255,255,0.75); }
.tile__arrow {
  position: absolute;
  top: 1.4rem; right: 1.4rem;
  z-index: 2;
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border: 1px solid rgba(255,255,255,0.6);
  border-radius: 50%;
  color: #fff;
  font-size: 1rem;
  transition: transform 0.4s var(--ease), background 0.4s;
}
a.tile:hover .tile__arrow {
  background: #fff;
  color: var(--ink-on-ice);
  transform: rotate(45deg);
}

/* ---------- 11. SERVICE AREA STRIP ---------- */
.cities {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 0;
  margin-top: var(--space-3);
}
.cities a {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink);
  padding: 0.6rem 1.4rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  transition: all 0.35s var(--ease);
  margin: 0.25rem;
}
.cities a:hover {
  background: var(--ice);
  border-color: var(--ice);
  color: var(--ink-on-ice);
  transform: translateY(-2px);
}
.cities .dot {
  color: var(--ice);
  align-self: center;
  padding-inline: 0.2rem;
}

/* ---------- 12. FINAL CTA BAND ---------- */
.cta-band {
  background: #05070A;
  color: #fff;
  text-align: center;
}
.cta-band h2 { color: #fff; margin-bottom: var(--space-2); }
.cta-band p { color: rgba(255,255,255,0.75); max-width: 52ch; margin: 0 auto var(--space-3); }

/* ---------- 13. CONTACT FORM ---------- */
.form {
  max-width: 640px;
  margin-inline: auto;
  display: grid;
  gap: var(--space-2);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}
.field { display: grid; gap: 0.4rem; }
.field label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.field input,
.field select,
.field textarea {
  font: inherit;
  color: var(--ink);
  background: var(--bg-pure);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
  width: 100%;
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: var(--ice); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--ice);
  box-shadow: 0 0 0 3px var(--ice-tint);
}
.field .error-msg { color: #C0392B; font-size: 0.8rem; display: none; }
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: #C0392B; }
.field.has-error .error-msg { display: block; }

/* ---------- 14. FOOTER ---------- */
.site-footer {
  background: var(--bg-pure);
  border-top: 1px solid var(--border);
  padding-block: var(--space-4);
  font-size: 0.9rem;
  color: var(--ink-soft);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}
.footer-grid h4 {
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
  color: var(--ink);
}
.footer-grid a { color: var(--ink-soft); display: block; padding-block: 0.2rem; }
.footer-grid a:hover { color: var(--ice); }
.footer-legal {
  border-top: 1px solid var(--border);
  padding-top: var(--space-2);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-1);
  font-size: 0.8rem;
}

/* ---------- 15. REVEAL-ON-SCROLL ANIMATIONS ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* Respect reduced-motion 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; }
}

/* ---------- 16. RESPONSIVE BREAKPOINTS ---------- */
@media (max-width: 1024px) {
  .masonry { columns: 3; }
  .feature-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --space-5: 4.5rem; --space-4: 2.5rem; --header-h: 64px; }
  body { padding-top: var(--header-h); }
  .site-header { position: sticky; }

  .masonry { columns: 2; }
  .tile-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }

  /* Mobile nav drawer */
  .nav-menu {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: var(--space-3);
    gap: var(--space-2);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.35s var(--ease);
    box-shadow: 0 20px 40px rgba(44,62,80,0.1);
  }
  .nav.is-open .nav-menu {
    transform: none;
    opacity: 1;
    visibility: visible;
  }
  .nav-toggle { display: block; }
  .hero h1 { letter-spacing: 0.18em; }
  .btn { width: 100%; text-align: center; }
  .hero .btn-row { flex-direction: column; align-items: stretch; }
}

@media (max-width: 420px) {
  .masonry { columns: 1; }
  .masonry--2 { columns: 1; }
}