/* Graham Serenity Touch — static site styles
   Dark luxury palette with champagne-gold accents.
   All design tokens live in :root below. */

:root {
  /* ---------- Surfaces ---------- */
  --gst-ink: #15100c;            /* deepest brown-black, page background */
  --gst-charcoal: #1f1812;       /* primary section background */
  --gst-charcoal-2: #2a201a;     /* slightly raised surfaces (cards, hero card) */
  --gst-quiet: #f4ede1;          /* soft cream, used for "light" sections */
  --gst-quiet-ink: #2a201a;      /* text on quiet sections */

  /* ---------- Brand accents ---------- */
  --gst-gold: #c9a96e;           /* champagne gold — primary accent */
  --gst-gold-bright: #e2c890;    /* hover / highlights */
  --gst-gold-soft: rgba(201, 169, 110, 0.18);
  --gst-gold-line: rgba(201, 169, 110, 0.32);

  /* ---------- Text on dark ---------- */
  --gst-cream: #f5ede0;          /* primary text on dark */
  --gst-muted: #a89884;          /* secondary text on dark */
  --gst-muted-2: #847566;        /* tertiary */

  /* ---------- Functional ---------- */
  --gst-whatsapp: #25d366;
  --gst-whatsapp-dark: #128c7e;

  /* ---------- Typography ---------- */
  --gst-font-display: "Cinzel", "Cormorant Garamond", Georgia, serif;
  --gst-font-serif: "Cormorant Garamond", Georgia, serif;
  --gst-font-body: "Nunito Sans", -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;

  /* ---------- Layout ---------- */
  --gst-max: 1180px;
  --gst-pad-x: clamp(24px, 5vw, 56px);
  --gst-section-y: clamp(72px, 10vw, 120px);
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}

body {
  margin: 0;
  font-family: var(--gst-font-body);
  font-size: 17px;
  line-height: 1.7;
  color: var(--gst-cream);
  background-color: var(--gst-ink);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--gst-gold);
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

a:hover,
a:focus-visible {
  color: var(--gst-gold-bright);
}

a:focus-visible {
  outline: 1.5px solid var(--gst-gold);
  outline-offset: 4px;
  border-radius: 2px;
}

[data-book] { cursor: pointer; }

h1, h2, h3, h4 {
  font-family: var(--gst-font-serif);
  font-weight: 500;
  color: var(--gst-cream);
  line-height: 1.18;
  margin: 0 0 0.55em;
  letter-spacing: 0.005em;
}

h1 {
  font-family: var(--gst-font-display);
  font-weight: 500;
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  line-height: 1.05;
  letter-spacing: 0.02em;
}

h2 {
  font-size: clamp(1.85rem, 3.6vw, 2.65rem);
  font-weight: 500;
}

h3 {
  font-size: clamp(1.3rem, 2vw, 1.55rem);
  font-weight: 500;
}

h4 { font-size: 1.1rem; font-weight: 600; }

p { margin: 0 0 1em; }

/* ---------- Layout helpers ---------- */
.gst-container {
  width: 100%;
  max-width: var(--gst-max);
  margin: 0 auto;
  padding: 0 var(--gst-pad-x);
}

.gst-section {
  padding: var(--gst-section-y) 0;
}

.gst-section--deep { background-color: var(--gst-ink); }

.gst-section--quiet {
  background-color: var(--gst-quiet);
  color: var(--gst-quiet-ink);
}

.gst-section--quiet h1,
.gst-section--quiet h2,
.gst-section--quiet h3,
.gst-section--quiet h4 {
  color: #1f1812;
}

.gst-section--quiet a {
  color: #8a6a2c;
}
.gst-section--quiet a:hover { color: #6a4f1c; }

.gst-section__head {
  text-align: center;
  margin-bottom: clamp(40px, 6vw, 64px);
}

.gst-section__head p {
  max-width: 56ch;
  margin: 0 auto;
}

/* ---------- Eyebrow / small caps ---------- */
.gst-eyebrow {
  font-family: var(--gst-font-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gst-gold);
  margin: 0 0 12px;
}

.gst-eyebrow--center {
  text-align: center;
  margin-inline: auto;
}

.gst-eyebrow--gold { color: var(--gst-gold-bright); }

.gst-section--quiet .gst-eyebrow {
  color: #8a6a2c;
}

/* Decorative thin gold rule */
.gst-rule {
  width: 64px;
  height: 1px;
  background-color: var(--gst-gold-line);
  margin: 16px auto 22px;
  border: 0;
}

/* ---------- Header ---------- */
.gst-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: transparent;
  transition: background-color 0.35s ease, box-shadow 0.35s ease;
}

.gst-header.is-scrolled {
  background-color: rgba(21, 16, 12, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 6px 28px rgba(0, 0, 0, 0.45);
}

.gst-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: var(--gst-max);
  margin: 0 auto;
  padding: 16px var(--gst-pad-x);
}

.gst-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--gst-gold);
  line-height: 1;
}

.gst-logo:hover { color: var(--gst-gold-bright); }

.gst-logo__mark { display: inline-flex; }

.gst-logo__text {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
}

.gst-logo__name {
  font-family: var(--gst-font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.gst-logo__sub {
  font-family: var(--gst-font-serif);
  font-style: italic;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--gst-muted);
}

.gst-nav {
  display: flex;
  gap: 28px;
}

.gst-nav a {
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--gst-cream);
}

.gst-nav a:hover { color: var(--gst-gold); }

@media (max-width: 820px) {
  .gst-nav { display: none; }
}

/* ---------- Buttons ---------- */
.gst-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--gst-font-body);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 15px 28px;
  border-radius: 2px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, background-color 0.2s ease,
    color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.gst-btn--sm {
  padding: 11px 20px;
  font-size: 12px;
  letter-spacing: 0.14em;
}

.gst-btn--gold {
  background-color: var(--gst-gold);
  color: var(--gst-ink);
  border-color: var(--gst-gold);
}

.gst-btn--gold:hover,
.gst-btn--gold:focus-visible {
  background-color: var(--gst-gold-bright);
  border-color: var(--gst-gold-bright);
  color: var(--gst-ink);
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(201, 169, 110, 0.28);
}

.gst-btn--gold-outline {
  background-color: transparent;
  color: var(--gst-gold);
  border-color: var(--gst-gold);
}

.gst-btn--gold-outline:hover {
  background-color: var(--gst-gold);
  color: var(--gst-ink);
}

.gst-btn--ghost {
  background-color: transparent;
  color: var(--gst-cream);
  border-color: rgba(245, 237, 224, 0.4);
}

.gst-btn--ghost:hover {
  border-color: var(--gst-cream);
  color: var(--gst-cream);
}

.gst-section--quiet .gst-btn--gold-outline {
  color: #8a6a2c;
  border-color: #8a6a2c;
}
.gst-section--quiet .gst-btn--gold-outline:hover {
  background-color: #8a6a2c;
  color: var(--gst-quiet);
}

/* ---------- Hero ---------- */
.gst-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px var(--gst-pad-x) 80px;
  margin-top: -68px;
  text-align: center;
  background:
    radial-gradient(circle at 22% 28%, rgba(201, 169, 110, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 78% 76%, rgba(138, 90, 45, 0.16) 0%, transparent 45%),
    linear-gradient(160deg, #2a1f17 0%, #15100c 55%, #0d0907 100%);
  overflow: hidden;
  isolation: isolate;
}

/* Background photograph — sits below everything, semi-transparent */
.gst-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.62;
  z-index: 0;
  pointer-events: none;
  user-select: none;
}

/* Dimming + vignette over the photo to keep the card readable */
.gst-hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(
      ellipse at center,
      rgba(21, 16, 12, 0.65) 0%,
      rgba(21, 16, 12, 0.45) 35%,
      rgba(21, 16, 12, 0.25) 65%,
      rgba(21, 16, 12, 0.55) 100%
    );
}

/* Noise texture for film grain — sits above overlay */
.gst-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0.06;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 240px 240px;
}

.gst-hero__card {
  position: relative;
  z-index: 3;
  max-width: 720px;
  padding: clamp(40px, 6vw, 72px) clamp(28px, 5vw, 64px);
  background-color: rgba(21, 16, 12, 0.62);
  border: 1px solid var(--gst-gold-line);
  border-radius: 6px;
  backdrop-filter: blur(10px) saturate(1.05);
  -webkit-backdrop-filter: blur(10px) saturate(1.05);
  box-shadow:
    0 24px 80px rgba(0, 0, 0, 0.55),
    inset 0 1px 0 rgba(201, 169, 110, 0.08);
}

/* Subtle entrance animation */
@media (prefers-reduced-motion: no-preference) {
  .gst-hero__bg {
    animation: gst-hero-bg-fade 1.6s ease-out both;
  }
  .gst-hero__card {
    animation: gst-hero-card-rise 0.9s 0.2s ease-out both;
  }
  @keyframes gst-hero-bg-fade {
    from { opacity: 0; }
    to { opacity: 0.62; }
  }
  @keyframes gst-hero-card-rise {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
  }
}

.gst-mark {
  display: inline-flex;
  color: var(--gst-gold);
  margin-bottom: 18px;
}

.gst-display {
  display: block;
  font-family: var(--gst-font-display);
  font-weight: 500;
  color: var(--gst-cream);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.gst-display--alt {
  font-family: var(--gst-font-serif);
  font-weight: 400;
  font-style: italic;
  text-transform: none;
  letter-spacing: 0.01em;
  color: var(--gst-cream);
  margin-top: 4px;
}

.gst-hero h1 { margin-bottom: 8px; }

.gst-lede {
  font-size: clamp(1rem, 1.4vw, 1.125rem);
  color: rgba(245, 237, 224, 0.88);
  max-width: 52ch;
  margin: 0 auto 28px;
  line-height: 1.7;
}

.gst-lede--muted { color: var(--gst-muted); }
.gst-lede--ink { color: rgba(31, 24, 18, 0.82); }

.gst-cta-row {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.gst-fineprint {
  margin: 0;
  font-family: var(--gst-font-serif);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--gst-muted);
}

/* ---------- Intro block ---------- */
.gst-intro {
  text-align: center;
  max-width: 720px;
}

.gst-intro h2 { color: #1f1812; }

/* ---------- Treatments ---------- */
.gst-grid {
  display: grid;
  gap: 24px;
}

.gst-grid--2 { grid-template-columns: repeat(2, 1fr); }
.gst-grid--3 { grid-template-columns: repeat(3, 1fr); }
.gst-grid--4 { grid-template-columns: repeat(4, 1fr); }
.gst-grid--treatments {
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.gst-grid--centered { text-align: center; }

@media (max-width: 960px) {
  .gst-grid--3,
  .gst-grid--4,
  .gst-grid--treatments { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .gst-grid--2,
  .gst-grid--3,
  .gst-grid--4,
  .gst-grid--treatments { grid-template-columns: 1fr; }
}

.gst-treatment {
  position: relative;
  background-color: var(--gst-charcoal);
  border: 1px solid var(--gst-gold-line);
  border-radius: 6px;
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  transition: transform 0.25s ease, border-color 0.25s ease,
    box-shadow 0.25s ease;
}

.gst-treatment:hover {
  transform: translateY(-3px);
  border-color: var(--gst-gold);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
}

.gst-treatment h3 {
  color: var(--gst-cream);
  margin-bottom: 8px;
}

.gst-treatment p {
  color: var(--gst-muted);
  margin: 0;
}

.gst-treatment__options {
  list-style: none;
  margin: 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--gst-gold-line);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.gst-treatment__options a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 4px;
  background-color: rgba(201, 169, 110, 0.04);
  color: var(--gst-cream);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.gst-treatment__options a:hover,
.gst-treatment__options a:focus-visible {
  background-color: var(--gst-gold-soft);
  color: var(--gst-cream);
  transform: translateX(2px);
}

.gst-treatment__options a::after {
  content: "→";
  font-family: var(--gst-font-body);
  color: var(--gst-gold);
  font-weight: 700;
  margin-left: auto;
  opacity: 0.7;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.gst-treatment__options a:hover::after {
  opacity: 1;
  transform: translateX(2px);
}

.gst-treatment__duration {
  font-family: var(--gst-font-serif);
  font-style: italic;
  font-size: 1rem;
  font-weight: 400;
  color: var(--gst-muted);
  flex: 0 0 auto;
}

.gst-treatment__price {
  font-family: var(--gst-font-body);
  font-weight: 700;
  color: var(--gst-gold);
  letter-spacing: 0.04em;
}

.gst-treatment--signature {
  background:
    linear-gradient(180deg, rgba(201, 169, 110, 0.06), rgba(201, 169, 110, 0.0)),
    var(--gst-charcoal-2);
  border-color: var(--gst-gold);
}

.gst-treatment__badge {
  position: absolute;
  top: -12px;
  left: 24px;
  background-color: var(--gst-gold);
  color: var(--gst-ink);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 2px;
}

.gst-treatments-note {
  text-align: center;
  margin-top: 40px;
  font-family: var(--gst-font-serif);
  font-style: italic;
  color: var(--gst-muted);
  font-size: 1rem;
}

/* ---------- Studio / Mobile cards ---------- */
.gst-card {
  border-radius: 6px;
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.gst-card--dark {
  background-color: var(--gst-charcoal);
  border: 1px solid var(--gst-gold-line);
  color: var(--gst-cream);
}

.gst-section--quiet .gst-card--dark { color: var(--gst-cream); }

.gst-card h3 { color: var(--gst-cream); margin: 0; }
.gst-card p { color: var(--gst-muted); margin: 0; }

.gst-card__icon {
  font-size: 1.8rem;
  color: var(--gst-gold);
  line-height: 1;
}

.gst-checklist {
  list-style: none;
  padding: 0;
  margin: 8px 0 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.gst-checklist li {
  padding-left: 22px;
  position: relative;
  color: var(--gst-cream);
  font-size: 0.95rem;
}

.gst-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 12px;
  height: 1px;
  background-color: var(--gst-gold);
}

.gst-card .gst-btn { align-self: flex-start; }

/* ---------- Feature row ---------- */
.gst-feature h4 {
  color: var(--gst-cream);
  margin-top: 12px;
  font-family: var(--gst-font-serif);
  font-weight: 500;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}

.gst-feature p { color: var(--gst-muted); margin: 0; }

.gst-icon-circle {
  width: 52px;
  height: 52px;
  margin-inline: auto;
  border-radius: 50%;
  border: 1px solid var(--gst-gold-line);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gst-gold);
  font-size: 1.3rem;
}

/* ---------- Quotes ---------- */
.gst-quote-card {
  margin: 0;
  padding: 32px 28px;
  background-color: rgba(31, 24, 18, 0.05);
  border: 1px solid rgba(31, 24, 18, 0.12);
  border-radius: 6px;
}

.gst-quote-card blockquote {
  margin: 0 0 14px;
  font-family: var(--gst-font-serif);
  font-style: italic;
  font-size: 1.08rem;
  line-height: 1.7;
  color: #1f1812;
}

.gst-quote-card blockquote::before {
  content: "\201C";
  font-family: var(--gst-font-display);
  display: block;
  color: #8a6a2c;
  font-size: 2.4rem;
  line-height: 0.6;
  margin-bottom: 12px;
}

.gst-quote-card figcaption {
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #8a6a2c;
}

/* ---------- About ---------- */
.gst-about {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}

.gst-about__portrait {
  aspect-ratio: 4 / 5;
  border-radius: 6px;
  background:
    linear-gradient(160deg, rgba(201, 169, 110, 0.18), rgba(31, 24, 18, 0.0) 70%),
    var(--gst-charcoal);
  border: 1px solid var(--gst-gold-line);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gst-gold);
  font-family: var(--gst-font-serif);
  font-style: italic;
  letter-spacing: 0.05em;
  text-align: center;
  padding: 24px;
  overflow: hidden;
  position: relative;
  margin: 0;
}

.gst-about__portrait--photo {
  padding: 0;
  background: var(--gst-charcoal);
}

.gst-about__portrait--photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.gst-about__portrait--photo::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(21, 16, 12, 0) 70%, rgba(21, 16, 12, 0.35) 100%);
}

.gst-about__copy h2 { color: var(--gst-cream); }

@media (max-width: 800px) {
  .gst-about { grid-template-columns: 1fr; }
}

/* ---------- Map / Visit ---------- */
.gst-map {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--gst-gold-line);
  background: var(--gst-charcoal);
  aspect-ratio: 16 / 9;
  box-shadow:
    0 28px 64px rgba(31, 24, 18, 0.32),
    0 12px 28px rgba(31, 24, 18, 0.2);
  isolation: isolate;
}

@media (max-width: 720px) {
  .gst-map { aspect-ratio: 4 / 5; }
}

.gst-map__embed {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  /* Dark-mode Google Maps via CSS filter */
  filter: invert(0.92) hue-rotate(180deg) saturate(0.65) contrast(0.95)
    brightness(0.95);
  transition: filter 0.5s ease;
}

.gst-map:hover .gst-map__embed {
  filter: invert(0.85) hue-rotate(180deg) saturate(0.85) contrast(1)
    brightness(1);
}

.gst-map__vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow:
    inset 0 0 140px rgba(21, 16, 12, 0.65),
    inset 0 -60px 80px rgba(21, 16, 12, 0.45);
  background:
    radial-gradient(
      circle at 30% 70%,
      rgba(201, 169, 110, 0.08) 0%,
      transparent 50%
    );
}

.gst-map__plate {
  position: absolute;
  bottom: clamp(16px, 3vw, 32px);
  left: clamp(16px, 3vw, 32px);
  padding: clamp(22px, 3vw, 28px) clamp(24px, 3vw, 32px);
  background-color: rgba(21, 16, 12, 0.88);
  border: 1px solid var(--gst-gold-line);
  border-radius: 6px;
  backdrop-filter: blur(12px) saturate(1.1);
  -webkit-backdrop-filter: blur(12px) saturate(1.1);
  max-width: min(380px, calc(100% - clamp(32px, 6vw, 64px)));
  color: var(--gst-cream);
  box-shadow:
    0 14px 36px rgba(0, 0, 0, 0.5),
    inset 0 1px 0 rgba(201, 169, 110, 0.1);
}

.gst-map__plate .gst-eyebrow { margin-bottom: 8px; }

.gst-map__plate-mark {
  display: inline-flex;
  color: var(--gst-gold);
  margin-bottom: 10px;
}

.gst-map__address {
  font-family: var(--gst-font-serif);
  font-style: italic;
  font-size: 1.25rem;
  color: var(--gst-cream);
  margin: 0 0 18px;
}

.gst-map__actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* Quiet-section override: keep map plate buttons gold even when section is cream */
.gst-section--quiet .gst-map__plate .gst-btn--gold-outline {
  color: var(--gst-gold);
  border-color: var(--gst-gold);
}

.gst-section--quiet .gst-map__plate .gst-btn--gold-outline:hover {
  background-color: var(--gst-gold);
  color: var(--gst-ink);
}

@media (max-width: 520px) {
  .gst-map__plate {
    left: 12px;
    right: 12px;
    bottom: 12px;
    max-width: none;
  }
  .gst-map__actions { width: 100%; }
  .gst-map__actions .gst-btn {
    flex: 1;
    min-width: 0;
  }
}

/* ---------- CTA band ---------- */
.gst-cta-band {
  position: relative;
  text-align: center;
  padding: var(--gst-section-y) 0;
  background:
    radial-gradient(circle at 50% 20%, rgba(201, 169, 110, 0.22) 0%, transparent 55%),
    linear-gradient(180deg, #1f1812 0%, #15100c 100%);
  overflow: hidden;
  border-top: 1px solid var(--gst-gold-line);
  border-bottom: 1px solid var(--gst-gold-line);
}

.gst-cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.06;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 240px 240px;
}

.gst-cta-band .gst-container { position: relative; z-index: 1; }
.gst-cta-band h2 { color: var(--gst-cream); margin-bottom: 14px; }
.gst-cta-band p {
  max-width: 52ch;
  margin: 0 auto 28px;
  color: var(--gst-muted);
}

/* ---------- Footer ---------- */
.gst-footer {
  background-color: #0e0a08;
  color: var(--gst-muted);
  padding: 72px 0 0;
  border-top: 1px solid var(--gst-gold-line);
}

.gst-footer h4 {
  color: var(--gst-gold);
  font-family: var(--gst-font-body);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 14px;
}

.gst-footer a { color: var(--gst-cream); }
.gst-footer a:hover { color: var(--gst-gold); }

.gst-footer p { color: var(--gst-muted); }

.gst-footer__grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}

.gst-logo--footer {
  display: flex;
  flex-direction: column;
  gap: 2px;
  color: var(--gst-gold);
  margin-bottom: 14px;
}

.gst-logo--footer .gst-logo__sub { color: var(--gst-muted); }

@media (max-width: 900px) {
  .gst-footer__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .gst-footer__grid { grid-template-columns: 1fr; }
}

.gst-footer__legal {
  border-top: 1px solid rgba(201, 169, 110, 0.14);
  padding: 18px 0;
  text-align: center;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gst-muted-2);
}

/* ---------- Floating WhatsApp button ---------- */
.gst-whatsapp-fab {
  position: fixed;
  right: clamp(16px, 3vw, 28px);
  bottom: clamp(16px, 3vw, 28px);
  z-index: 100;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background-color: var(--gst-whatsapp);
  color: #fff;
  box-shadow: 0 8px 26px rgba(37, 211, 102, 0.35),
    0 2px 6px rgba(0, 0, 0, 0.35);
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.gst-whatsapp-fab:hover,
.gst-whatsapp-fab:focus-visible {
  background-color: var(--gst-whatsapp-dark);
  color: #fff;
  transform: translateY(-2px) scale(1.03);
}

.gst-whatsapp-fab:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}

@media print {
  .gst-whatsapp-fab,
  .gst-header { display: none; }
  body { background: #fff; color: #000; }
}