/* ==========================================================================
   FUTURE HOMES 2050 — DESIGN TOKENS
   Direction: premium architecture-magazine editorial, grounded in Florida's
   own materials & light — limestone, mangrove, gulf water, citrus — rather
   than a generic "futuristic tech" palette. Numbering (03/15) is used only
   because the Florida experience is a genuine ordered sequence.
   ========================================================================== */

:root {
  /* Color */
  --limestone: #ece5d6;      /* warm coquina-stone off-white — page ground */
  --limestone-dim: #ddd3bd;
  --mangrove: #16211d;        /* deep green-black — ink, dark surfaces */
  --mangrove-soft: #223129;
  --gulf: #2f5d62;            /* teal — structure, links, secondary UI */
  --gulf-light: #6fa1a3;
  --citrus: #e08a2b;          /* warm accent — CTAs, the one bold color */
  --citrus-deep: #b96a17;
  --paper: #f8f5ee;
  --line: rgba(22, 33, 29, 0.14);
  --line-soft: rgba(22, 33, 29, 0.08);

  /* Type */
  --font-display: "Fraunces", "Iowan Old Style", "Georgia", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;

  /* Scale */
  --step-0: clamp(1rem, 0.94rem + 0.3vw, 1.125rem);
  --step-1: clamp(1.2rem, 1.1rem + 0.5vw, 1.4rem);
  --step-2: clamp(1.5rem, 1.3rem + 1vw, 2rem);
  --step-3: clamp(2rem, 1.6rem + 2vw, 3.2rem);
  --step-4: clamp(2.6rem, 2rem + 3vw, 4.6rem);

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;

  --radius: 3px;
  --max-content: 640px;
  --max-wide: 1100px;

  color-scheme: light;
}

/* ==========================================================================
   RESET / BASE
   ========================================================================== */

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--mangrove);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.08;
  margin: 0;
  letter-spacing: -0.01em;
}

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

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

:focus-visible {
  outline: 2px solid var(--citrus-deep);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 0.5rem;
  top: -3rem;
  background: var(--mangrove);
  color: var(--paper);
  padding: 0.6rem 1rem;
  border-radius: var(--radius);
  z-index: 200;
  transition: top 0.15s ease;
  font-family: var(--font-body);
  font-size: 0.9rem;
}
.skip-link:focus { top: 0.5rem; }

/* ==========================================================================
   SITE HEADER (shared)
   ========================================================================== */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  max-width: var(--max-wide);
  margin: 0 auto;
}

.site-header__brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  text-decoration: none;
  letter-spacing: -0.01em;
}

.site-header__brand span {
  color: var(--citrus-deep);
}

/* ==========================================================================
   ROOT LANDING PAGE
   ========================================================================== */

.hero-landing {
  padding: var(--space-5) var(--space-3) var(--space-4);
  max-width: var(--max-wide);
  margin: 0 auto;
}

.hero-landing__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gulf);
  display: block;
  margin-bottom: var(--space-2);
}

.hero-landing__title {
  font-size: var(--step-4);
  max-width: 14ch;
  margin-bottom: var(--space-3);
}

.hero-landing__lede {
  font-size: var(--step-1);
  max-width: 46ch;
  color: var(--mangrove-soft);
  margin-bottom: var(--space-4);
}

.states-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 0 var(--space-3) var(--space-5);
}

@media (min-width: 720px) {
  .states-grid { grid-template-columns: repeat(3, 1fr); }
}

.state-card {
  display: block;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-3);
  text-decoration: none;
  color: inherit;
  background: var(--limestone);
  transition: border-color 0.15s ease, transform 0.15s ease;
  position: relative;
}

.state-card--live {
  background: var(--mangrove);
  color: var(--paper);
}

.state-card:hover, .state-card:focus-visible {
  border-color: var(--citrus-deep);
}

.state-card__label {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: var(--space-1);
}

.state-card__status {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.65;
  display: block;
  margin-bottom: var(--space-2);
}

.state-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-weight: 600;
  color: var(--citrus);
  margin-top: var(--space-2);
}

.state-card--disabled {
  cursor: default;
  opacity: 0.7;
}
.state-card--disabled .state-card__cta { display: none; }

.landing-footer {
  border-top: 1px solid var(--line);
  padding: var(--space-3);
  text-align: center;
  font-size: 0.85rem;
  color: var(--gulf);
}

/* ==========================================================================
   SLIDE PAGE
   ========================================================================== */

.slide-page {
  padding-bottom: 6.5rem; /* room for sticky nav */
}

.ad-slot {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: var(--space-2) var(--space-3) 0;
}

.ad-slot__label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gulf);
  opacity: 0.7;
  display: block;
  margin-bottom: 0.4rem;
  text-align: center;
}

.ad-slot__box {
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gulf);
  background: var(--limestone);
  text-align: center;
  padding: var(--space-2);
}

.ad-slot--in-content {
  margin: var(--space-4) auto;
}

.slide-meta {
  max-width: var(--max-content);
  margin: var(--space-3) auto var(--space-2);
  padding: 0 var(--space-3);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  font-family: var(--font-mono);
}

.slide-meta__series {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gulf);
}

.slide-meta__count {
  font-size: 0.85rem;
  color: var(--mangrove);
  font-weight: 600;
}

.slide-progress {
  max-width: var(--max-content);
  margin: 0 auto var(--space-3);
  padding: 0 var(--space-3);
}

.slide-progress__track {
  height: 3px;
  background: var(--line);
  border-radius: 2px;
  overflow: hidden;
}

.slide-progress__fill {
  height: 100%;
  background: var(--citrus);
}

.slide-hero-figure {
  margin: 0 0 var(--space-3);
}

.slide-hero-figure img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.slide-body {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.slide-kicker {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--citrus-deep);
  letter-spacing: 0.02em;
  display: block;
  margin-bottom: var(--space-1);
}

.slide-title {
  font-size: var(--step-3);
  margin-bottom: var(--space-3);
}

.slide-caption {
  font-size: var(--step-1);
  color: var(--mangrove-soft);
  margin-bottom: var(--space-4);
}

.slide-section {
  margin-bottom: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--line);
}

.slide-section__heading {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gulf);
  margin-bottom: var(--space-2);
  display: block;
}

.slide-section__body {
  font-size: 1.02rem;
}

.feature-list {
  display: grid;
  gap: 0.6rem;
}

.feature-list li {
  display: flex;
  gap: 0.7rem;
  align-items: baseline;
  font-size: 1.02rem;
}

.feature-list li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--citrus);
  flex: none;
  transform: translateY(-2px);
}

/* Spec plate — the signature element: technologies presented like a
   materials/spec plate on an architectural drawing, not generic pill tags. */
.spec-plate {
  border: 1px solid var(--mangrove);
  border-radius: var(--radius);
  padding: var(--space-3);
  margin-bottom: var(--space-4);
  background: var(--limestone);
}

.spec-plate__heading {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mangrove);
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--space-2);
  padding-bottom: var(--space-1);
  border-bottom: 1px solid var(--line);
}

.spec-plate__list {
  display: grid;
  gap: 0.5rem;
}

.spec-plate__list li {
  display: flex;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--mangrove-soft);
  align-items: baseline;
}

.spec-plate__index {
  color: var(--citrus-deep);
  flex: none;
  width: 1.4em;
}

.slide-teaser {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--step-1);
  color: var(--gulf);
  border-left: 3px solid var(--citrus);
  padding-left: var(--space-2);
  margin-bottom: var(--space-2);
}

/* Slide 15 conclusion block */
.finale {
  text-align: center;
  padding: var(--space-4) 0 var(--space-2);
}

.finale__statement {
  font-family: var(--font-display);
  font-size: var(--step-2);
  margin-bottom: var(--space-1);
}

.finale__question {
  color: var(--gulf);
  margin-bottom: var(--space-3);
}

.finale__actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: stretch;
  max-width: 320px;
  margin: 0 auto;
}

@media (min-width: 480px) {
  .finale__actions { flex-direction: row; justify-content: center; }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.85rem 1.4rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn--primary {
  background: var(--citrus);
  color: var(--mangrove);
}
.btn--primary:hover, .btn--primary:focus-visible { background: var(--citrus-deep); color: var(--paper); }

.btn--secondary {
  background: transparent;
  border-color: var(--mangrove);
  color: var(--mangrove);
}
.btn--secondary:hover, .btn--secondary:focus-visible { background: var(--mangrove); color: var(--paper); }

/* ==========================================================================
   STICKY SLIDE NAVIGATION
   ========================================================================== */

.slide-nav {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 100;
  background: var(--paper);
  border-top: 1px solid var(--line);
  padding: 0.75rem var(--space-3);
  padding-bottom: calc(0.75rem + env(safe-area-inset-bottom));
}

.slide-nav__inner {
  max-width: var(--max-content);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 0.75rem;
}

.slide-nav__link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid var(--mangrove);
  color: var(--mangrove);
}

.slide-nav__link--next {
  background: var(--mangrove);
  color: var(--paper);
  border-color: var(--mangrove);
}

.slide-nav__link--next:hover, .slide-nav__link--next:focus-visible {
  background: var(--citrus-deep);
  border-color: var(--citrus-deep);
}

.slide-nav__link--back:hover, .slide-nav__link--back:focus-visible {
  background: var(--limestone);
}

.slide-nav__link[aria-disabled="true"] {
  opacity: 0.35;
  pointer-events: none;
}

/* ==========================================================================
   ROOT / FLORIDA LANDING SHARED FOOTER NOTE
   ========================================================================== */

.florida-intro {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: var(--space-3) var(--space-3) 0;
}

.florida-intro__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gulf);
  display: block;
  margin-bottom: var(--space-2);
}

.florida-intro__title {
  font-size: var(--step-3);
  margin-bottom: var(--space-2);
}

.florida-intro__lede {
  color: var(--mangrove-soft);
  margin-bottom: var(--space-1);
}

.florida-intro__cue {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--citrus-deep);
}

@media (min-width: 860px) {
  .slide-body, .slide-meta, .slide-progress, .ad-slot, .florida-intro {
    max-width: 760px;
  }
  .slide-hero-figure img { max-height: 62vh; }
}