/* ============================================================
   Tank Tech Labs — Marketing Site
   TTL Brand System (Warm-Confident)
   ============================================================ */

:root {
  font-size: 62.5%; /* 1rem = 10px */

  /* Greens (four-tier) */
  --ttl-green:   #006241;
  --ttl-accent:  #00754A;
  --ttl-deep:    #1E3932;
  --ttl-uplift:  #2b5148;
  --ttl-light:   #d4e9e2;

  /* Gold (recognition) */
  --gold:          #cba258;
  --gold-light:    #dfc49d;
  --gold-lightest: #faf6ee;

  /* Surfaces */
  --white:        #ffffff;
  --neutral-cool: #f9f9f9;
  --neutral-warm: #f2f0eb;
  --ceramic:      #edebe9;
  --black:        #000000;

  /* Text */
  --text-black:      rgba(0, 0, 0, 0.87);
  --text-black-soft: rgba(0, 0, 0, 0.58);
  --text-white:      #ffffff;
  --text-white-soft: rgba(255, 255, 255, 0.70);

  /* Semantic */
  --red:              #c82014;
  --red-tint:         hsl(4 82% 43% / 5%);
  --green-valid-tint: hsl(160 32% 87% / 33%);
  --input-border:     #d6dbde;
  --hairline:         #e7e7e7;

  /* Spacing scale */
  --space-1: 0.4rem;
  --space-2: 0.8rem;
  --space-3: 1.6rem;
  --space-4: 2.4rem;
  --space-5: 3.2rem;
  --space-6: 4.0rem;
  --space-7: 4.8rem;
  --space-8: 5.6rem;
  --space-9: 6.4rem;
  --outer-gutter: 1.6rem;

  /* Radius */
  --card-radius:   12px;
  --button-radius: 50px;

  /* Shadows — layered, whisper-soft */
  --card-shadow:        0 1px 1px rgba(30,57,50,0.04), 0 4px 12px rgba(30,57,50,0.06), 0 12px 32px rgba(30,57,50,0.05);
  --card-shadow-md:     0 1px 2px rgba(30,57,50,0.06), 0 8px 24px rgba(30,57,50,0.10), 0 24px 48px rgba(30,57,50,0.08);
  --card-shadow-lift:   0 2px 4px rgba(30,57,50,0.08), 0 16px 40px rgba(30,57,50,0.14), 0 32px 64px rgba(30,57,50,0.10);
  --nav-shadow:         0 1px 3px rgba(0,0,0,0.06), 0 2px 2px rgba(0,0,0,0.04), 0 0 2px rgba(0,0,0,0.05);
  --beacon-shadow:      0 0 6px rgba(0,0,0,0.20), 0 8px 16px rgba(0,0,0,0.18), 0 16px 32px rgba(0,0,0,0.10);
  --beacon-shadow-down: 0 0 6px rgba(0,0,0,0.20), 0 8px 12px rgba(0,0,0,0);

  /* Type */
  --font-sans:  'Inter', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-serif: 'Lora', 'Iowan Old Style', Georgia, serif;
  --font-mono:  'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --tracking-normal:    -0.01em;
  --tracking-tight-px:  -0.16px;
  --tracking-loose:     0.1em;
  --tracking-looser:    0.15em;

  /* Motion */
  --ease-button: 0.2s ease;
  --button-active-scale: 0.95;
}

@media (min-width: 768px)  { :root { --outer-gutter: 2.4rem; } }
@media (min-width: 1024px) { :root { --outer-gutter: 4.0rem; } }

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body {
  font-family: var(--font-sans);
  font-size: 1.6rem;
  line-height: 1.5;
  letter-spacing: var(--tracking-normal);
  color: var(--text-black);
  background: var(--neutral-warm);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
ul { list-style: none; padding: 0; margin: 0; }

/* ---- Layout ---- */
.container {
  max-width: 1440px;
  margin: 0 auto;
  padding-left: var(--outer-gutter);
  padding-right: var(--outer-gutter);
}
.section { padding: var(--space-7) 0; }
@media (min-width: 768px) { .section { padding: var(--space-9) 0; } }
@media (min-width: 1024px) { .section { padding: 8rem 0; } }
@media (min-width: 1280px) { .section { padding: 10rem 0; } }
.section--cream { background: var(--neutral-warm); }
.section--white { background: var(--white); }
.section--ceramic { background: var(--ceramic); }

/* ---- Top dark "Join" strip ---- */
.top-strip {
  background: var(--black);
  color: var(--white);
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--outer-gutter);
  letter-spacing: var(--tracking-normal);
  text-align: center;
}
.top-strip strong { font-weight: 600; }
.top-strip a {
  border: 1px solid var(--white);
  border-radius: var(--button-radius);
  padding: 4px 12px;
  font-size: 1.3rem;
  font-weight: 600;
  white-space: nowrap;
  transition: background var(--ease-button), color var(--ease-button);
}
.top-strip a:hover { background: var(--white); color: var(--black); }

/* ---- Global Nav ---- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: var(--white);
  box-shadow: var(--nav-shadow);
  height: 64px;
  display: flex; align-items: center;
  padding: 0 var(--outer-gutter);
}
@media (min-width: 480px)  { .nav { height: 72px; } }
@media (min-width: 768px)  { .nav { height: 83px; } }
@media (min-width: 1024px) { .nav { height: 99px; } }

.nav-inner {
  width: 100%;
  display: flex; align-items: center; gap: var(--space-5);
}
.brand {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-weight: 700; font-size: 1.9rem;
  color: var(--ttl-green);
  letter-spacing: var(--tracking-tight-px);
}
.brand-mark {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--ttl-accent); color: var(--white);
  display: grid; place-items: center;
  font-weight: 700; font-size: 1.4rem;
  box-shadow: var(--card-shadow);
}
.nav-links { display: none; gap: var(--space-4); margin-left: var(--space-4); }
.nav-links a {
  font-size: 1.4rem; font-weight: 600; color: var(--text-black);
  padding: var(--space-2) 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease;
}
.nav-links a:hover, .nav-links a.is-active { border-bottom-color: var(--ttl-accent); }
@media (min-width: 768px) { .nav-links { display: inline-flex; } }

.nav-spacer { flex: 1; }
.nav-actions { display: none; align-items: center; gap: var(--space-3); }
@media (min-width: 768px) { .nav-actions { display: inline-flex; } }

.hamburger {
  margin-left: auto;
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  background: transparent; border: none;
  border-radius: 50%;
}
.hamburger:hover { background: var(--neutral-cool); }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text-black); position: relative; }
.hamburger span::before, .hamburger span::after {
  content: ''; position: absolute; left: 0; width: 22px; height: 2px; background: var(--text-black);
}
.hamburger span::before { top: -7px; }
.hamburger span::after  { top:  7px; }
@media (min-width: 768px) { .hamburger { display: none; } }

/* Mobile drawer */
.drawer {
  position: fixed; inset: 0 0 0 auto; width: 86%; max-width: 360px;
  background: var(--white);
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  z-index: 100; padding: var(--space-5) var(--space-4);
  box-shadow: var(--nav-shadow);
  display: flex; flex-direction: column; gap: var(--space-3);
}
.drawer.is-open { transform: translateX(0); }
.drawer .close {
  align-self: flex-end;
  background: transparent; border: none; font-size: 2.4rem;
  color: var(--text-black); width: 40px; height: 40px; border-radius: 50%;
}
.drawer a {
  font-size: 1.9rem; font-weight: 600; color: var(--text-black);
  padding: var(--space-3) 0; border-bottom: 1px solid var(--ceramic);
}
.drawer .btn { margin-top: var(--space-3); }
.scrim {
  position: fixed; inset: 0; background: rgba(0,0,0,0.4);
  opacity: 0; pointer-events: none; transition: opacity 0.3s ease;
  z-index: 90;
}
.scrim.is-on { opacity: 1; pointer-events: auto; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  font-family: var(--font-sans);
  font-size: 1.4rem; font-weight: 600;
  letter-spacing: var(--tracking-normal); line-height: 1.2;
  padding: 7px 16px;
  border-radius: var(--button-radius);
  border: 1px solid transparent;
  transition: all var(--ease-button);
  white-space: nowrap;
}
.btn:active { transform: scale(var(--button-active-scale)); }
.btn--primary {
  background: var(--ttl-accent); color: var(--white);
  border-color: var(--ttl-accent);
  box-shadow: 0 1px 2px rgba(0,98,65,0.10), 0 4px 12px rgba(0,98,65,0.20);
}
.btn--primary:hover {
  background: var(--ttl-green); border-color: var(--ttl-green);
  box-shadow: 0 2px 4px rgba(0,98,65,0.14), 0 8px 24px rgba(0,98,65,0.30);
}
.btn--outline {
  background: transparent; color: var(--ttl-accent);
  border-color: var(--ttl-accent);
}
.btn--outline:hover { background: var(--ttl-light); }
.btn--dark {
  background: var(--black); color: var(--white); border-color: var(--black);
}
.btn--dark:hover { background: #1a1a1a; }
.btn--dark-outline {
  background: transparent; color: var(--text-black);
  border-color: var(--text-black);
}
.btn--dark-outline:hover { background: var(--neutral-cool); }
.btn--inverted {
  background: var(--white); color: var(--ttl-accent);
  border-color: var(--white);
}
.btn--inverted:hover { background: var(--ttl-light); }
.btn--on-dark {
  background: transparent; color: var(--white); border-color: var(--white);
}
.btn--on-dark:hover { background: rgba(255,255,255,0.08); }
.btn--lg { font-size: 1.6rem; padding: 14px 32px; }
.btn--full { width: 100%; }

/* ---- Eyebrow / Type roles ---- */
.eyebrow {
  font-size: 1.2rem; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ttl-accent);
  margin: 0 0 var(--space-3);
  display: inline-flex; align-items: center; gap: var(--space-3);
}
.eyebrow::before {
  content: '';
  width: 24px; height: 1px;
  background: var(--gold);
}
.eyebrow--gold { color: var(--gold); }

h1, h2, h3, h4 {
  letter-spacing: var(--tracking-tight-px);
  margin: 0 0 var(--space-3);
  line-height: 1.2;
}
.display {
  font-size: 4.4rem; font-weight: 600;
  color: var(--ttl-green);
  line-height: 1.08;
  letter-spacing: -0.02em;
}
@media (min-width: 768px)  { .display { font-size: 6.4rem; } }
@media (min-width: 1280px) { .display { font-size: 8.0rem; } }
.h1 { font-size: 3.0rem; font-weight: 600; color: var(--ttl-green); line-height: 1.18; letter-spacing: -0.015em; }
@media (min-width: 768px)  { .h1 { font-size: 4.0rem; } }
@media (min-width: 1280px) { .h1 { font-size: 4.8rem; } }
.h2 { font-size: 2.4rem; font-weight: 400; color: var(--text-black); line-height: 1.35; }
.lede {
  font-size: 1.9rem; line-height: 1.6;
  color: var(--text-black-soft);
  margin: 0 0 var(--space-5);
  max-width: 640px;
}
@media (min-width: 768px) { .lede { font-size: 2.1rem; } }
.serif-headline { font-family: var(--font-serif); font-style: italic; font-weight: 400; }
.serif-em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.005em;
}

/* Gold hairline divider */
.gold-rule {
  display: block;
  width: 56px; height: 2px;
  background: var(--gold);
  margin: 0 0 var(--space-3);
  border: 0;
}
.is-centered .gold-rule { margin-left: auto; margin-right: auto; }

/* ---- Hero ---- */
.hero {
  background: var(--neutral-warm);
  padding: var(--space-7) 0 var(--space-9);
}

/* Page hero — smaller, single-column intro for interior pages */
.page-hero {
  background: var(--neutral-warm);
  padding: var(--space-7) 0 var(--space-6);
  position: relative;
}
.page-hero::after {
  content: '';
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(203,162,88,0.30), transparent);
}
@media (min-width: 768px) {
  .page-hero { padding: var(--space-9) 0 var(--space-7); }
}
@media (min-width: 1024px) {
  .page-hero { padding: 8rem 0 var(--space-8); }
}
.page-hero .lede { margin-bottom: 0; }

/* CTA band — used at the bottom of interior pages to drive to contact */
.cta-band {
  background:
    radial-gradient(50% 80% at 50% 0%, rgba(203,162,88,0.10) 0%, rgba(203,162,88,0) 70%),
    var(--ttl-deep);
  color: var(--white);
  padding: var(--space-9) 0;
  text-align: center;
  position: relative;
}
.cta-band::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(203,162,88,0.4), transparent);
}
@media (min-width: 1024px) {
  .cta-band { padding: 8rem 0; }
}
.cta-band h2 {
  color: var(--white); font-weight: 600;
  font-size: 3.0rem; line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0 0 var(--space-3);
}
@media (min-width: 768px) {
  .cta-band h2 { font-size: 4.0rem; }
}
@media (min-width: 1280px) {
  .cta-band h2 { font-size: 4.8rem; }
}
.cta-band p {
  color: var(--text-white-soft);
  font-size: 1.7rem; line-height: 1.65;
  max-width: 560px;
  margin: 0 auto var(--space-5);
}
.cta-band .cta-row { justify-content: center; }
.hero-grid {
  display: grid; gap: var(--space-6);
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 1024px) {
  .hero-grid { grid-template-columns: 6fr 4fr; }
}
.cta-row { display: flex; flex-wrap: wrap; gap: var(--space-3); }

.hero-art {
  background: var(--ttl-deep);
  border-radius: 16px;
  aspect-ratio: 4/3;
  position: relative; overflow: hidden;
  box-shadow: var(--card-shadow-md);
  isolation: isolate;
}

/* Hero video fills the panel; overlay tints it for legibility of corner marks */
.hero-art-video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 0;
  background: var(--ttl-deep);
}

.hero-art-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(30,57,50,0.20) 0%, rgba(30,57,50,0.05) 50%, rgba(30,57,50,0.45) 100%);
  z-index: 1;
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  .hero-art-video { display: none; }
}

/* ---- Stats ---- */
.stats {
  display: grid; gap: var(--space-3);
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 768px) { .stats { grid-template-columns: repeat(3, 1fr); } }
.stat-card {
  background: var(--white);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  padding: var(--space-5);
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.stat-card::before {
  content: '';
  position: absolute; top: var(--space-5); left: var(--space-5);
  width: 32px; height: 2px;
  background: var(--gold);
}
.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-lift);
}
.stat-value {
  font-size: 4.4rem; font-weight: 600; color: var(--ttl-green);
  letter-spacing: -0.02em; line-height: 1;
  margin-top: var(--space-3);
}
@media (min-width: 768px) { .stat-value { font-size: 5.2rem; } }
.stat-label {
  font-size: 1.4rem; color: var(--text-black-soft);
  margin-top: var(--space-2);
  letter-spacing: -0.005em;
}

/* ---- Section header ---- */
.section-header {
  margin-bottom: var(--space-8);
  max-width: 760px;
}
@media (min-width: 1024px) {
  .section-header { margin-bottom: 7.2rem; }
}
.section-header.is-centered { margin-left: auto; margin-right: auto; text-align: center; }

/* ---- Service cards ---- */
.card-grid {
  display: grid; gap: var(--space-4);
  grid-template-columns: 1fr;
}
@media (min-width: 600px)  { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
.card-grid--3 { grid-template-columns: 1fr; }
@media (min-width: 768px)  { .card-grid--3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .card-grid--3 { grid-template-columns: repeat(3, 1fr); } }

.card {
  background: var(--white);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  padding: var(--space-6);
  display: flex; flex-direction: column; gap: var(--space-3);
  position: relative;
  transition: transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.35s ease;
}
.card::before {
  content: '';
  position: absolute; top: 0; left: var(--space-6);
  width: 0; height: 2px;
  background: var(--gold);
  transition: width 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--card-shadow-lift);
}
.card:hover::before { width: 40px; }
.card h3 {
  font-size: 2.0rem; font-weight: 600; color: var(--text-black);
  margin: 0;
  letter-spacing: -0.01em;
}
.card p {
  font-size: 1.5rem; color: var(--text-black-soft);
  margin: 0;
  line-height: 1.6;
}
.card-icon {
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--ttl-light);
  color: var(--ttl-accent);
  display: grid; place-items: center;
  flex-shrink: 0;
  transition: background 0.3s ease, color 0.3s ease;
}
.card:hover .card-icon { background: var(--ttl-accent); color: var(--white); }
.card-icon svg { width: 22px; height: 22px; }
.card-link {
  font-size: 1.4rem; font-weight: 600; color: var(--ttl-accent);
  display: inline-flex; align-items: center; gap: 4px;
  margin-top: auto;
  letter-spacing: 0.01em;
}
.card-link::after { content: '→'; transition: transform 0.2s ease; }
.card:hover .card-link::after { transform: translateX(4px); }

/* ---- Feature band (dark green) ---- */
.feature-band {
  background:
    radial-gradient(60% 40% at 100% 0%, rgba(203,162,88,0.10) 0%, rgba(203,162,88,0) 60%),
    var(--ttl-deep);
  color: var(--white);
  position: relative;
}
.feature-band::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(203,162,88,0.4), transparent);
}
.feature-band .h2,
.feature-band h2 {
  color: var(--white); font-weight: 600;
  font-size: 3.0rem; line-height: 1.15;
  letter-spacing: -0.015em;
}
@media (min-width: 768px) {
  .feature-band .h2,
  .feature-band h2 { font-size: 4.0rem; }
}
@media (min-width: 1280px) {
  .feature-band .h2,
  .feature-band h2 { font-size: 4.8rem; }
}
.feature-band p {
  color: var(--text-white-soft);
  font-size: 1.7rem; line-height: 1.75;
  max-width: 540px;
}
.feature-grid {
  display: grid; gap: var(--space-6);
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 1024px) { .feature-grid { grid-template-columns: 5fr 5fr; } }
.feature-art {
  background:
    radial-gradient(60% 50% at 100% 0%, rgba(203,162,88,0.14) 0%, rgba(203,162,88,0) 60%),
    var(--ttl-uplift);
  border: 1px solid rgba(203,162,88,0.18);
  border-radius: 16px;
  aspect-ratio: 4/3;
  display: grid; place-items: center;
  color: var(--white);
  font-family: var(--font-serif); font-style: italic;
  font-size: 5rem;
  letter-spacing: -0.02em;
  box-shadow: 0 1px 2px rgba(0,0,0,0.20), 0 16px 40px rgba(0,0,0,0.30), 0 32px 64px rgba(0,0,0,0.20);
  position: relative; overflow: hidden;
}
.feature-art .chat-stack {
  width: 80%; display: flex; flex-direction: column; gap: 10px;
  font-family: var(--font-sans); font-style: normal;
  font-size: 1.4rem; letter-spacing: var(--tracking-normal);
}
.bubble {
  padding: 10px 14px; border-radius: 14px;
  background: rgba(255,255,255,0.08);
  color: var(--white);
  max-width: 85%;
  border-bottom-left-radius: 4px;
}
.bubble.user {
  align-self: flex-end;
  background: var(--ttl-accent);
  border-bottom-right-radius: 4px;
  border-bottom-left-radius: 14px;
}
.feature-band.is-flipped .feature-grid > *:first-child { order: 2; }
.feature-band.is-flipped .feature-grid > *:last-child  { order: 1; }
@media (max-width: 1023px) {
  .feature-band.is-flipped .feature-grid > *:first-child,
  .feature-band.is-flipped .feature-grid > *:last-child { order: unset; }
}

/* ---- Product showcase rows ---- */
.showcase {
  display: grid; gap: var(--space-6);
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 1024px) { .showcase { grid-template-columns: 5fr 5fr; } }
.showcase + .showcase { margin-top: var(--space-9); }
.showcase.is-flipped > .showcase-art   { order: 1; }
.showcase.is-flipped > .showcase-text  { order: 2; }
@media (min-width: 1024px) {
  .showcase.is-flipped > .showcase-art  { order: 2; }
  .showcase.is-flipped > .showcase-text { order: 1; }
}
.showcase-art {
  background: var(--white);
  border-radius: 16px;
  box-shadow: var(--card-shadow-md);
  padding: var(--space-5);
  aspect-ratio: 4/3;
  display: flex; flex-direction: column; gap: var(--space-3);
  position: relative; overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.4s ease;
}
.showcase-art::before {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 56px; height: 3px;
  background: var(--gold);
  border-radius: 0 0 3px 0;
}
.showcase:hover .showcase-art {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-lift);
}
.showcase-art .label {
  position: absolute; bottom: 12px; right: 16px;
  font-size: 1.2rem; color: var(--text-black-soft); opacity: 0.7;
}
/* Dashboard mock */
.mock-bar { height: 10px; width: 40%; background: var(--ceramic); border-radius: 4px; }
.mock-row { display: flex; gap: 10px; }
.mock-block { height: 32px; background: var(--ceramic); border-radius: 6px; }
.mock-block.accent { background: var(--ttl-light); }
.mock-w20 { width: 20%; } .mock-w30 { width: 30%; } .mock-w40 { width: 40%; }
.mock-w50 { width: 50%; } .mock-w60 { width: 60%; } .mock-w70 { width: 70%; }

.product-features {
  margin: var(--space-3) 0 var(--space-4);
  display: flex; flex-direction: column; gap: 8px;
}
.product-features li {
  position: relative;
  padding-left: 24px;
  color: var(--text-black-soft);
  font-size: 1.5rem;
  line-height: 1.5;
}
.product-features li::before {
  content: '';
  position: absolute; left: 0; top: 8px;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--ttl-accent);
}

/* ---- Values cards (About) ---- */
.values-grid {
  display: grid; gap: var(--space-4);
  grid-template-columns: 1fr;
}
@media (min-width: 768px)  { .values-grid { grid-template-columns: repeat(3, 1fr); } }
.value-card {
  background: var(--white);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  padding: var(--space-6);
  transition: transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.35s ease;
}
.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-lift);
}
.value-icon {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--gold-lightest);
  color: var(--gold);
  border: 1px solid rgba(203,162,88,0.3);
  display: grid; place-items: center;
  font-size: 2.2rem; font-weight: 700;
  margin-bottom: var(--space-3);
  font-family: var(--font-serif); font-style: italic;
}
.value-card h4 {
  font-size: 1.7rem; font-weight: 600; color: var(--text-black);
  margin: 0 0 var(--space-2);
}
.value-card p {
  font-size: 1.5rem; color: var(--text-black-soft); margin: 0;
}

/* ---- Contact ---- */
.contact-grid {
  display: grid; gap: var(--space-5);
  grid-template-columns: 1fr;
}
@media (min-width: 1024px) { .contact-grid { grid-template-columns: 6fr 4fr; } }

.form { display: flex; flex-direction: column; gap: var(--space-3); }
.field {
  position: relative;
  border: 1px solid var(--input-border);
  border-radius: 4px;
  background: var(--white);
  transition: border-color 0.2s ease, background 0.2s ease;
}
.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 22px 12px 8px;
  border: none; background: transparent;
  font: inherit; font-size: 1.6rem; color: var(--text-black);
  outline: none;
  border-radius: 4px;
  font-family: var(--font-sans);
}
.field textarea { resize: vertical; min-height: 120px; padding-top: 28px; }
.field select { padding-top: 22px; padding-bottom: 8px; cursor: pointer; appearance: none; background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='rgba(0,0,0,0.58)' stroke-width='2'><polyline points='6 9 12 15 18 9'/></svg>"); background-repeat: no-repeat; background-position: right 12px center; background-size: 18px; }
.field label {
  position: absolute;
  left: 12px; top: 50%;
  transform: translateY(-50%);
  font-size: 1.6rem;
  color: var(--text-black-soft);
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.32, 1.32, 0.61, 0.27);
}
.field textarea + label,
.field select + label { top: 22px; transform: none; }
.field.is-active label,
.field input:focus + label,
.field input:not(:placeholder-shown) + label,
.field textarea:focus + label,
.field textarea:not(:placeholder-shown) + label,
.field select:focus + label,
.field select:valid + label {
  top: 8px;
  transform: none;
  font-size: 1.3rem;
  color: var(--ttl-accent);
  font-weight: 600;
}
.field:focus-within { border-color: var(--ttl-accent); }
.field.is-valid   { background: var(--green-valid-tint); }
.field.is-invalid { background: var(--red-tint); border-color: var(--red); }
.field-error {
  font-size: 1.3rem; color: var(--red);
  margin-top: 4px; min-height: 1.5em;
}
.form-success {
  background: var(--ttl-light);
  color: var(--ttl-green);
  padding: var(--space-4);
  border-radius: var(--card-radius);
  font-weight: 600;
  display: none;
}
.form-success.is-on { display: block; }
.form-success h3 { color: var(--ttl-green); font-size: 1.7rem; margin: 0 0 4px; font-weight: 600; }
.form-success p { font-size: 1.5rem; color: var(--text-black-soft); margin: 0; font-weight: 400; }

.info-card {
  background: var(--gold-lightest);
  border-radius: var(--card-radius);
  padding: var(--space-5);
  box-shadow: var(--card-shadow);
}
.info-card h3 {
  color: var(--ttl-green); font-weight: 600;
  font-size: 1.9rem; margin: 0 0 var(--space-3);
}
.info-row {
  display: flex; gap: var(--space-3); align-items: flex-start;
  padding: var(--space-3) 0;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.info-row:last-of-type { border-bottom: none; }
.info-icon {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--white);
  color: var(--ttl-accent);
  display: grid; place-items: center;
  flex-shrink: 0;
}
.info-icon svg { width: 18px; height: 18px; }
.info-row strong {
  display: block; font-size: 1.4rem;
  color: var(--text-black); margin-bottom: 2px;
  font-weight: 600;
}
.info-row a, .info-row span {
  font-size: 1.5rem; color: var(--text-black-soft);
}
.info-row a:hover { color: var(--ttl-accent); }

.socials {
  display: flex; gap: var(--space-2);
  margin-top: var(--space-4);
}
.social-link {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--white);
  color: var(--ttl-accent);
  display: grid; place-items: center;
  box-shadow: var(--card-shadow);
  transition: background var(--ease-button), color var(--ease-button);
}
.social-link:hover { background: var(--ttl-accent); color: var(--white); }
.social-link svg { width: 18px; height: 18px; }

/* ---- Footer ---- */
.footer {
  background: var(--ttl-deep);
  color: var(--white);
  padding: var(--space-8) 0 var(--space-5);
  margin-top: 0;
}
.footer-grid {
  display: grid; gap: var(--space-5);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }
.footer h4 {
  color: var(--gold);
  font-size: 1.3rem; letter-spacing: var(--tracking-looser); text-transform: uppercase;
  font-weight: 700;
  margin-bottom: var(--space-3);
}
.footer ul { display: flex; flex-direction: column; gap: var(--space-2); }
.footer ul a { color: var(--text-white-soft); font-size: 1.5rem; }
.footer ul a:hover { color: var(--white); }
.footer-bottom {
  margin-top: var(--space-7);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex; justify-content: space-between; flex-wrap: wrap;
  gap: var(--space-3);
  color: var(--text-white-soft); font-size: 1.3rem;
}
.tagline {
  font-size: 1.1rem; font-weight: 300;
  letter-spacing: 0.4em; text-transform: uppercase;
  color: var(--ttl-accent);
  margin-top: var(--space-3);
}
.footer .tagline { color: var(--text-white-soft); }

/* ---- Beacon (floating circular CTA) ---- */
.beacon {
  position: fixed; right: var(--space-4); bottom: var(--space-4);
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--ttl-accent);
  color: var(--white);
  border: none;
  box-shadow: var(--beacon-shadow);
  display: grid; place-items: center;
  z-index: 60;
  transition: all 0.2s ease;
}
.beacon:hover { background: var(--ttl-green); }
.beacon:active {
  transform: scale(var(--button-active-scale));
  box-shadow: var(--beacon-shadow-down);
}
.beacon svg { width: 24px; height: 24px; }
.beacon-tooltip {
  position: fixed; right: 80px; bottom: 28px;
  background: var(--white);
  color: var(--text-black);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  font-size: 1.4rem; font-weight: 600;
  white-space: nowrap;
  opacity: 0; transform: translateX(8px); pointer-events: none;
  transition: all 0.2s ease;
  z-index: 60;
}
.beacon:hover + .beacon-tooltip { opacity: 1; transform: translateX(0); }

/* ---- Reveal on scroll ---- */
.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-in { opacity: 1; transform: translateY(0); }

/* ---- Responsive tightening ---- */
@media (max-width: 480px) {
  .hero-art-mark { font-size: 6rem; }
  .stats { grid-template-columns: 1fr; }
  .footer-bottom { justify-content: center; text-align: center; }
}