/* =====================================================================
   EstateScan 3D — landing styles
   Warm cream + antique gold palette · Playfair Display serif headings
   (Only colors & heading font changed — layout, spiral & content intact)
   ===================================================================== */

:root {
  --accent:      #B08A46;   /* antique gold (primary accent) */
  --accent-2:    #C9A85F;   /* lighter gold */
  --green:       #B08A46;   /* gold success marks */
  --amber:       #E68A00;
  --red:         #B5766A;   /* muted clay */

  --ink:         #1C1916;   /* warm near-black */
  --ink-soft:    #6E6457;   /* warm gray */
  --page-bg:     #F4F0E8;   /* warm cream */
  --card-bg:     #FBF9F4;
  --border:      #E2DAC9;
  --row-alt:     #EDE6D8;

  --grad: linear-gradient(120deg, var(--accent) 0%, var(--accent-2) 100%);

  --radius:    16px;
  --radius-sm: 10px;
  --shadow:    0 10px 30px -12px rgba(28, 25, 22, .18);
  --shadow-lg: 0 30px 60px -20px rgba(28, 25, 22, .28);

  --maxw: 1140px;
  --font: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--page-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 24px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 600; font-size: 15px; line-height: 1;
  padding: 13px 22px; border-radius: 999px; border: 1px solid transparent;
  cursor: pointer; transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  white-space: nowrap;
}
.btn--lg { padding: 16px 30px; font-size: 16px; }
.btn--block { width: 100%; }
.btn--primary { background: var(--grad); color: #fff; box-shadow: 0 8px 22px -8px rgba(176, 138, 70, .6); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -10px rgba(176, 138, 70, .7); }
.btn--ghost { background: rgba(255,255,255,.7); color: var(--ink); border-color: var(--border); }
.btn--ghost:hover { transform: translateY(-2px); border-color: var(--accent); color: var(--accent); }

.grad-text {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  color: var(--accent);
}

/* ---------- reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* =====================================================================
   NAV
   ===================================================================== */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(244, 240, 232, .82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.brand { display: inline-flex; align-items: center; gap: 9px; font-family: var(--serif); font-weight: 700; font-size: 21px; }
.brand__mark { color: var(--accent); display: inline-flex; }
.brand__accent { color: var(--accent); font-style: italic; }
.nav__links { display: flex; align-items: center; gap: 26px; }
.nav__links a { font-weight: 500; font-size: 15px; color: var(--ink-soft); transition: color .2s; }
.nav__links a:hover { color: var(--ink); }
.nav__links a.nav__cta { color: #fff; }
.nav__cta { font-weight: 600; }

.nav__toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav__toggle span { width: 24px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .25s, opacity .25s; }
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =====================================================================
   HERO + 3D PHOTO HELIX
   ===================================================================== */
.hero {
  position: relative;
  min-height: clamp(620px, 88vh, 900px);
  display: flex; align-items: center;
  overflow: hidden;
  background:
    radial-gradient(120% 80% at 50% -10%, #FBF7EF 0%, var(--page-bg) 60%);
}

/* the spinning helix layer */
.helix {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  perspective: 1100px;
  perspective-origin: 50% 42%;
  z-index: 1;
  pointer-events: none;
}
.helix__stage {
  position: relative;
  width: 1px; height: 1px;
  transform-style: preserve-3d;
  animation: helix-spin 26s linear infinite;
}
@keyframes helix-spin {
  from { transform: rotateY(0deg); }
  to   { transform: rotateY(360deg); }
}

/* each photo sits on the cylinder; JS sets --angle / --y / --radius / its rise delay */
.helix__item {
  position: absolute;
  top: 0; left: 0;
  width: 220px; height: 146px;
  margin: -73px 0 0 -110px;            /* center the tile on the axis */
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 18px 40px -16px rgba(28,25,22,.55);
  border: 3px solid rgba(255,255,255,.85);
  background: #e7ddc9 center/cover no-repeat;
  transform:
    rotateY(var(--angle))
    translateZ(var(--radius))
    translateY(var(--y));
  will-change: transform;
  animation: helix-rise var(--rise-dur, 18s) linear infinite;
  animation-delay: var(--rise-delay, 0s);
}
.helix__item img { width: 100%; height: 100%; object-fit: cover; }

/* the rise: each tile climbs, fades at the very top, recycles at the bottom */
@keyframes helix-rise {
  0%   { transform: rotateY(var(--angle)) translateZ(var(--radius)) translateY(var(--y-start)); opacity: 0; }
  8%   { opacity: var(--peak-opacity, .9); }
  92%  { opacity: var(--peak-opacity, .9); }
  100% { transform: rotateY(var(--angle)) translateZ(var(--radius)) translateY(var(--y-end)); opacity: 0; }
}

/* gradient scrim keeps hero text legible over the moving photos */
.hero__scrim {
  position: absolute; inset: 0; z-index: 2;
  background:
    linear-gradient(180deg, rgba(244,240,232,.35) 0%, rgba(244,240,232,.0) 22%, rgba(244,240,232,.0) 78%, rgba(244,240,232,.55) 100%),
    radial-gradient(90% 60% at 50% 50%, rgba(244,240,232,.78) 0%, rgba(244,240,232,.35) 45%, rgba(244,240,232,.05) 75%);
  pointer-events: none;
}

.hero__inner { position: relative; z-index: 3; text-align: center; max-width: 820px; }
.hero__badge {
  display: inline-block; font-weight: 600; font-size: 14px; color: var(--accent);
  background: rgba(176,138,70,.1); border: 1px solid rgba(176,138,70,.3);
  padding: 7px 16px; border-radius: 999px; margin-bottom: 22px;
}
.hero__title { font-family: var(--serif); font-size: clamp(38px, 6.4vw, 72px); font-weight: 500; line-height: 1.04; letter-spacing: -.01em; }
.hero__sub { margin: 22px auto 0; max-width: 620px; font-size: clamp(16px, 2vw, 19px); color: var(--ink-soft); }
.hero__cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 32px; }
.hero__note { margin-top: 20px; font-size: 14px; color: var(--accent); font-weight: 600; }

/* =====================================================================
   TRUST BAR
   ===================================================================== */
.trust { background: var(--ink); color: #fff; padding: 40px 0; }
.trust__inner { text-align: center; }
.trust__lead { font-size: 13px; letter-spacing: .14em; text-transform: uppercase; color: #b8ad9c; }
.trust__logos { display: flex; gap: 16px; justify-content: center; align-items: center; flex-wrap: wrap; margin: 14px 0 12px; font-family: var(--serif); font-size: clamp(22px, 3.4vw, 32px); font-weight: 500; }
.trust__logos .dot { color: var(--accent); }
.trust__sub { color: #c4baa8; max-width: 640px; margin: 0 auto; font-size: 15px; }
.trust__sub em { color: #fff; font-style: italic; font-weight: 500; }

/* =====================================================================
   SECTIONS
   ===================================================================== */
.section { padding: clamp(64px, 9vw, 110px) 0; }
.section--alt { background: var(--card-bg); border-block: 1px solid var(--border); }
.section__head { max-width: 720px; margin: 0 auto clamp(36px, 5vw, 60px); text-align: center; }
.eyebrow { display: inline-block; font-weight: 700; font-size: 13px; letter-spacing: .16em; text-transform: uppercase; color: var(--accent); margin-bottom: 14px; }
.eyebrow--light { color: var(--accent-2); }
.section__title { font-family: var(--serif); font-size: clamp(28px, 4.4vw, 48px); font-weight: 500; line-height: 1.1; letter-spacing: -.01em; }
.section__lead { margin-top: 16px; color: var(--ink-soft); font-size: clamp(16px, 2vw, 18px); }

/* ---------- live demo ---------- */
.demo-frame {
  position: relative; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-lg); border: 1px solid var(--border);
  aspect-ratio: 16 / 9; background: #1C1916;
}
.demo-frame__iframe { width: 100%; height: 100%; border: 0; display: block; position: relative; z-index: 2; }
.demo-frame__video { width: 100%; height: 100%; display: block; object-fit: cover; background: #1C1916; position: relative; z-index: 2; }
.demo-frame__placeholder {
  position: absolute; inset: 0; z-index: 1;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px;
  text-align: center; color: #fff; padding: 24px;
  background: radial-gradient(80% 80% at 50% 40%, #2a2521 0%, #1c1916 70%);
}
.demo-frame__title { font-family: var(--serif); font-size: 22px; font-weight: 500; }
.demo-frame__hint { font-size: 14px; color: #b8ad9c; max-width: 420px; }
.demo-frame__hint code { background: rgba(255,255,255,.1); padding: 2px 7px; border-radius: 6px; font-size: 13px; }
.demo-frame__cube {
  width: 56px; height: 56px; border-radius: 12px;
  background: var(--grad);
  transform: rotateX(45deg) rotateZ(45deg);
  animation: cube-float 3.5s ease-in-out infinite;
  box-shadow: 0 18px 40px -10px rgba(176,138,70,.7);
}
@keyframes cube-float { 0%,100% { transform: rotateX(45deg) rotateZ(45deg) translateY(0); } 50% { transform: rotateX(45deg) rotateZ(225deg) translateY(-10px); } }

/* ---------- compare ---------- */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; max-width: 920px; margin: 0 auto; }
.compare__col { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
.compare__col--win { border-color: var(--accent); box-shadow: 0 20px 50px -20px rgba(176,138,70,.45); }
.compare__tag { display: inline-block; font-weight: 700; font-size: 14px; padding: 6px 14px; border-radius: 999px; margin-bottom: 18px; background: var(--grad); color: #fff; }
.compare__tag--muted { background: var(--row-alt); color: var(--ink-soft); }
.compare__col ul { list-style: none; display: flex; flex-direction: column; gap: 13px; }
.compare__col li { display: flex; gap: 11px; font-size: 15px; align-items: flex-start; }
.compare__col li span { color: var(--accent); font-weight: 800; }
.compare__list--muted li span { color: var(--red); }
.compare__list--muted li { color: var(--ink-soft); }

/* ---------- cards ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); transition: transform .2s, box-shadow .2s, border-color .2s; position: relative; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
.card__icon { font-size: 32px; margin-bottom: 14px; }
.card h3 { font-family: var(--serif); font-size: 22px; font-weight: 500; margin-bottom: 8px; }
.card p { color: var(--ink-soft); font-size: 15px; }
.card__price { display: inline-block; margin-top: 16px; font-family: var(--serif); font-weight: 600; color: var(--accent); font-size: 19px; }
.card--cta { background: linear-gradient(160deg, var(--card-bg), #F0E8D6); }
.card__link { display: inline-block; margin-top: 16px; font-weight: 700; color: var(--accent); }

/* ---------- steps ---------- */
.steps { display: flex; align-items: stretch; justify-content: center; gap: 8px; flex-wrap: wrap; }
.step { flex: 1 1 250px; max-width: 320px; background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 30px 26px; text-align: center; box-shadow: var(--shadow); position: relative; }
.step__num { position: absolute; top: -16px; left: 50%; transform: translateX(-50%); width: 34px; height: 34px; border-radius: 50%; background: var(--grad); color: #fff; font-family: var(--serif); font-weight: 600; display: grid; place-items: center; font-size: 16px; box-shadow: 0 8px 18px -6px rgba(176,138,70,.6); }
.step__icon { font-size: 38px; margin: 6px 0 12px; }
.step h3 { font-family: var(--serif); font-size: 22px; font-weight: 500; margin-bottom: 8px; }
.step p { color: var(--ink-soft); font-size: 15px; }
.step__arrow { display: flex; align-items: center; font-size: 28px; color: var(--accent); font-weight: 400; }

/* ---------- pricing ---------- */
.pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: start; }
.price-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px 28px; box-shadow: var(--shadow); position: relative; }
.price-card--featured { border-color: var(--accent); box-shadow: var(--shadow-lg); transform: translateY(-8px); }
.price-card__badge { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: var(--grad); color: #fff; font-weight: 700; font-size: 12px; padding: 6px 16px; border-radius: 999px; white-space: nowrap; }
.price-card__name { font-family: var(--serif); font-size: 20px; color: var(--ink); font-weight: 500; }
.price-card__price { font-family: var(--serif); font-size: 48px; font-weight: 600; letter-spacing: -.01em; margin: 8px 0 2px; }
.price-card__price span { font-size: 18px; font-weight: 500; color: var(--ink-soft); }
.price-card__per { font-size: 14px; color: var(--ink-soft); margin-bottom: 22px; }
.price-card__list { list-style: none; display: flex; flex-direction: column; gap: 11px; margin-bottom: 26px; }
.price-card__list li { font-size: 15px; }
.price-card__list li::first-letter { color: var(--accent); }

/* =====================================================================
   CTA / FORM
   ===================================================================== */
.cta { background: linear-gradient(135deg, #1C1916 0%, #2E2620 100%); color: #fff; border: 0; }
.cta__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.cta__title { font-family: var(--serif); font-size: clamp(30px, 4.4vw, 50px); font-weight: 500; line-height: 1.08; }
.cta__lead { margin: 16px 0 22px; color: #c4baa8; font-size: 17px; max-width: 460px; }
.cta__points { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.cta__points li { font-weight: 500; }
.cta__points li::first-letter { color: var(--accent-2); }

.form { background: var(--card-bg); color: var(--ink); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow-lg); }
.form__row { margin-bottom: 16px; display: flex; flex-direction: column; gap: 6px; }
.form__row label { font-weight: 600; font-size: 14px; }
.form input, .form select, .form textarea {
  font-family: inherit; font-size: 15px; padding: 12px 14px;
  border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--page-bg);
  color: var(--ink); transition: border-color .2s, box-shadow .2s;
}
.form input:focus, .form select:focus, .form textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(176,138,70,.18); background: #fff;
}
.form textarea { resize: vertical; }
.form__hidden { position: absolute; left: -9999px; }
.form__success { margin-top: 14px; color: var(--accent); font-weight: 600; text-align: center; }
.form__fineprint { margin-top: 14px; font-size: 13px; color: var(--ink-soft); text-align: center; }
.form__fineprint a { color: var(--accent); font-weight: 600; }

/* =====================================================================
   FOOTER
   ===================================================================== */
.footer { background: var(--ink); color: #c4baa8; padding: 56px 0 26px; }
.footer__inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
.footer__brand .brand__name { font-family: var(--serif); color: #fff; font-size: 22px; font-weight: 600; }
.footer__brand .brand__accent { color: var(--accent); font-style: italic; }
.footer__brand p { margin-top: 10px; font-size: 14px; max-width: 280px; }
.footer__col h4 { color: var(--accent-2); font-size: 14px; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 12px; }
.footer__col p { font-size: 15px; line-height: 1.9; }
.footer__col a:hover { color: #fff; }
.footer__bar { display: flex; justify-content: space-between; align-items: center; margin-top: 40px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); font-size: 14px; }
.footer__bar a:hover { color: #fff; }

/* =====================================================================
   RESPONSIVE
   ===================================================================== */
@media (max-width: 900px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .pricing { grid-template-columns: 1fr; max-width: 440px; margin-inline: auto; }
  .price-card--featured { transform: none; }
  .cta__inner { grid-template-columns: 1fr; gap: 32px; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .nav__links {
    position: fixed; inset: 70px 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: rgba(244,240,232,.98); backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 12px 24px 22px;
    transform: translateY(-130%); transition: transform .3s ease;
    box-shadow: var(--shadow);
  }
  .nav__links.is-open { transform: translateY(0); }
  .nav__links a { padding: 13px 4px; border-bottom: 1px solid var(--border); }
  .nav__links a.nav__cta { margin-top: 12px; border-bottom: 0; }
  .nav__toggle { display: flex; }
  .compare { grid-template-columns: 1fr; }
  .step__arrow { transform: rotate(90deg); }
}

@media (max-width: 520px) {
  .cards { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; }
  .hero__cta .btn { width: 100%; }
}

/* Wide screens: text on the LEFT, photo spiral on the RIGHT */
@media (min-width: 901px) {
  .hero__inner { text-align: left; max-width: 600px; margin-left: 0; margin-right: auto; }
  .hero__sub { margin-left: 0; margin-right: 0; }
  .hero__cta { justify-content: flex-start; }
  .helix { left: 44%; right: 0; perspective-origin: 50% 46%; }
  .hero__scrim {
    background:
      linear-gradient(90deg,
        var(--page-bg) 0%, rgba(244,240,232,.92) 32%,
        rgba(244,240,232,.25) 56%, rgba(244,240,232,0) 72%),
      linear-gradient(180deg,
        rgba(244,240,232,.35) 0%, rgba(244,240,232,0) 18%,
        rgba(244,240,232,0) 82%, rgba(244,240,232,.55) 100%);
  }
}

/* =====================================================================
   REDUCED MOTION — freeze the helix & transitions
   ===================================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .helix__stage { animation: none; }
  .helix__item { animation: none; opacity: .85; }
  .reveal { opacity: 1; transform: none; }
}