/* =================================================================
   TCS Web - Modern Web Design System
   Bold minimalism · Fluid typography · WCAG AAA contrast
   ================================================================= */

/* ===== Design Tokens =====
   Palette pulls from parent brand Text Craft Studio: pale mint background +
   navy blue typography. Cohesive sub-brand identity. */
:root {
  /* Mint/sage backgrounds - hue 178, very low chroma for pastel feel */
  --c-bg:          oklch(96.5% 0.014 178);  /* soft pale mint, like sea mist */
  --c-bg-soft:     oklch(93.5% 0.020 178);  /* deeper mint for alternating sections */
  --c-bg-elevated: oklch(98%   0.010 178);  /* near-white surface for cards */

  /* Navy foreground - hue 248, parent brand text color family */
  --c-fg:          oklch(22% 0.060 248);    /* deep navy headings + body */
  --c-fg-soft:     oklch(38% 0.050 248);    /* softened navy for paragraphs */
  --c-fg-muted:    oklch(56% 0.030 248);    /* muted blue-grey for hints */

  /* Borders - very pale mint, just visible */
  --c-border:      oklch(87% 0.018 178);
  --c-border-soft: oklch(91% 0.013 178);

  /* CTAs in deeper navy */
  --c-accent:      oklch(26% 0.080 248);
  --c-accent-fg:   oklch(96.5% 0.014 178);

  /* Success state - mint-compatible green */
  --c-success:     oklch(42% 0.12 165);
  --c-success-bg:  oklch(93% 0.035 170);

  /* Fluid spacing scale */
  --s-3xs: clamp(0.25rem, 0.2rem + 0.25vw, 0.375rem);
  --s-2xs: clamp(0.5rem, 0.4rem + 0.5vw, 0.75rem);
  --s-xs:  clamp(0.75rem, 0.6rem + 0.5vw, 1rem);
  --s-sm:  clamp(1rem, 0.85rem + 0.75vw, 1.5rem);
  --s-md:  clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --s-lg:  clamp(2rem, 1.5rem + 2vw, 3.5rem);
  --s-xl:  clamp(3rem, 2.2rem + 3.5vw, 5.5rem);
  --s-2xl: clamp(4rem, 3rem + 5vw, 8rem);

  /* Fluid typography */
  --t-xs:  clamp(0.75rem, 0.72rem + 0.15vw, 0.85rem);
  --t-sm:  clamp(0.875rem, 0.83rem + 0.2vw, 0.95rem);
  --t-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --t-lg:  clamp(1.125rem, 1.05rem + 0.4vw, 1.35rem);
  --t-xl:  clamp(1.35rem, 1.2rem + 0.75vw, 1.75rem);
  --t-2xl: clamp(1.75rem, 1.4rem + 1.5vw, 2.5rem);
  --t-3xl: clamp(2.5rem, 2rem + 2.5vw, 4rem);
  --t-4xl: clamp(3rem, 2.2rem + 4vw, 5.5rem);

  /* Layout */
  --container: 1180px;
  --gutter: clamp(1rem, 3vw, 2rem);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* Motion */
  --d-fast: 150ms;
  --d-base: 240ms;
  --d-slow: 420ms;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Elevation */
  --shadow-sm: 0 1px 2px rgba(10,10,10,0.04);
  --shadow-md: 0 4px 16px rgba(10,10,10,0.06);
  --shadow-lg: 0 16px 48px rgba(10,10,10,0.08);
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Public Sans', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: var(--t-base);
  line-height: 1.6;
  color: var(--c-fg);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
input, textarea, select { font: inherit; color: inherit; }
ul { list-style: none; }

/* Focus - visible, accessible, not ugly */
:focus-visible {
  outline: 2px solid var(--c-fg);
  outline-offset: 3px;
  border-radius: 4px;
}
:focus:not(:focus-visible) { outline: none; }

/* Reduced motion - respect user preference */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ===== Layout ===== */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
section { padding: var(--s-2xl) 0; }

/* ===== Typography =====
   Display: Bricolage Grotesque (variable, has personality)
   Body:    Public Sans (workhorse, civic clarity) */
h1, h2, h3, h4 {
  font-family: 'Bricolage Grotesque', 'Public Sans', ui-sans-serif, system-ui, sans-serif;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.05;
  color: var(--c-fg);
  text-wrap: balance;
  font-variation-settings: 'opsz' 18, 'wdth' 100;
}
h1 {
  font-size: var(--t-4xl);
  letter-spacing: -0.04em;
  font-weight: 700;
  font-variation-settings: 'opsz' 96, 'wdth' 95;
}
h2 {
  font-size: var(--t-3xl);
  letter-spacing: -0.035em;
  font-variation-settings: 'opsz' 48, 'wdth' 100;
}
h3 { font-size: var(--t-xl); font-variation-settings: 'opsz' 24, 'wdth' 100; }
h4 { font-size: var(--t-lg); }

p { color: var(--c-fg-soft); }
.lead { font-size: var(--t-lg); color: var(--c-fg-soft); max-width: 60ch; line-height: 1.5; }
.eyebrow {
  display: inline-block;
  font-size: var(--t-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-fg-muted);
  margin-bottom: var(--s-sm);
}
.muted { color: var(--c-fg-muted); font-size: var(--t-sm); }

/* ===== Header ===== */
.header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in oklch, var(--c-bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--c-border-soft);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: var(--s-md); }

.brand {
  display: inline-flex; align-items: baseline; gap: 6px;
  font-weight: 800; font-size: var(--t-base);
  letter-spacing: -0.02em;
  color: var(--c-fg);
}
.brand .dot { color: var(--c-fg-muted); font-weight: 400; }

.nav-right { display: flex; align-items: center; gap: var(--s-sm); }

/* Language switcher */
.lang {
  display: inline-flex;
  font-size: var(--t-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--c-fg-muted);
}
.lang a {
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: color var(--d-fast) var(--ease), background var(--d-fast) var(--ease);
}
.lang a:hover { color: var(--c-fg); }
.lang a.active { color: var(--c-fg); background: var(--c-bg-soft); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: var(--t-sm);
  letter-spacing: -0.005em;
  transition: transform var(--d-fast) var(--ease), background var(--d-base) var(--ease), color var(--d-base) var(--ease), box-shadow var(--d-base) var(--ease);
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--c-accent); color: var(--c-accent-fg); }
.btn-primary:hover { background: oklch(30% 0.075 248); }
.btn-ghost { color: var(--c-fg); background: transparent; border: 1px solid var(--c-border); }
.btn-ghost:hover { background: var(--c-bg-soft); border-color: var(--c-fg-muted); }
.btn-lg { min-height: 56px; padding: 0 30px; font-size: var(--t-base); }
.btn-block { display: flex; width: 100%; }
.btn .ico { width: 18px; height: 18px; }

/* ===== Hero ===== */
.hero { padding: var(--s-2xl) 0 var(--s-xl); }
.hero h1 {
  font-size: clamp(2.75rem, 2rem + 4.5vw, 5.5rem);
  margin-bottom: var(--s-md);
  max-width: 16ch;
}
.hero h1 .accent { color: var(--c-fg-muted); }
.hero .lead { font-size: var(--t-lg); margin-bottom: var(--s-lg); max-width: 56ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: var(--s-2xs); align-items: center; }
.hero-meta { color: var(--c-fg-muted); font-size: var(--t-sm); margin-top: var(--s-sm); }

/* ===== Section header ===== */
.section-head { max-width: 720px; margin-bottom: var(--s-lg); }
.section-head h2 { margin-bottom: var(--s-xs); }

/* ===== "For whom" tile grid ===== */
.tile-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--c-border-soft);
  border: 1px solid var(--c-border-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
@media (max-width: 880px) { .tile-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .tile-grid { grid-template-columns: 1fr; } }
.tile {
  background: var(--c-bg);
  padding: var(--s-md);
  display: flex; flex-direction: column; gap: var(--s-xs);
  transition: background var(--d-base) var(--ease);
}
.tile:hover { background: var(--c-bg-soft); }
.tile .ico-wrap {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--c-bg-soft);
  color: var(--c-fg);
}
.tile h3 { font-size: var(--t-base); font-weight: 700; }
.tile p { font-size: var(--t-sm); color: var(--c-fg-muted); }

/* ===== Benefits ===== */
.bullet-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--s-md) var(--s-lg);
}
@media (max-width: 720px) { .bullet-grid { grid-template-columns: 1fr; } }
.bullet { display: flex; gap: var(--s-xs); }
.bullet .check {
  flex: 0 0 28px; width: 28px; height: 28px;
  border-radius: 50%; background: var(--c-fg); color: var(--c-bg);
  display: flex; align-items: center; justify-content: center;
}
.bullet .check svg { width: 14px; height: 14px; }
.bullet h3 { font-size: var(--t-base); font-weight: 700; margin-bottom: 4px; }
.bullet p { color: var(--c-fg-soft); font-size: var(--t-sm); }

/* ===== Cases ===== */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--s-sm);
}
@media (max-width: 720px) { .cases-grid { grid-template-columns: 1fr; } }
.case {
  display: flex; flex-direction: column;
  padding: var(--s-md);
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  transition: transform var(--d-base) var(--ease), box-shadow var(--d-base) var(--ease), border-color var(--d-base) var(--ease);
}
.case:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--c-fg); }
.case .case-tag {
  font-size: var(--t-xs); font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--c-fg-muted);
  margin-bottom: var(--s-2xs);
}
.case h3 { font-size: var(--t-lg); margin-bottom: var(--s-2xs); }
.case p { color: var(--c-fg-soft); font-size: var(--t-sm); margin-bottom: var(--s-sm); }
.case .case-link {
  margin-top: auto;
  font-weight: 600; font-size: var(--t-sm);
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--c-fg);
}
.case .case-link::after { content: "→"; transition: transform var(--d-base) var(--ease); }
.case:hover .case-link::after { transform: translateX(4px); }

/* ===== Pricing ===== */
.price-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--s-sm);
  align-items: stretch;
}
@media (max-width: 880px) { .price-grid { grid-template-columns: 1fr; } }
.price-card {
  position: relative;
  display: flex; flex-direction: column;
  padding: var(--s-lg);
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-xl);
  transition: border-color var(--d-base) var(--ease);
}
.price-card.featured {
  background: var(--c-fg);
  color: var(--c-bg);
  border-color: var(--c-fg);
}
.price-card.featured h3,
.price-card.featured .price { color: var(--c-bg); }
.price-card.featured p,
.price-card.featured .pkg-for,
.price-card.featured .timeline { color: rgba(255,255,255,0.75); }
.price-card.featured ul li { color: rgba(255,255,255,0.92); }
.price-card.featured .price-extras { border-top-color: rgba(255,255,255,0.15); color: rgba(255,255,255,0.7); }
.price-card.featured .price-extras strong { color: var(--c-bg); }

.price-card .badge {
  position: absolute; top: -12px; left: var(--s-lg);
  background: var(--c-bg); color: var(--c-fg);
  border: 1px solid var(--c-fg);
  font-size: var(--t-xs); font-weight: 700;
  padding: 4px 12px; border-radius: 999px;
  letter-spacing: 0.06em; text-transform: uppercase;
}
.price-card h3 { font-size: var(--t-xl); margin-bottom: var(--s-2xs); }
.price {
  font-size: clamp(2.5rem, 2rem + 2.5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin: var(--s-2xs) 0 var(--s-3xs);
}
.price small { font-size: var(--t-base); color: var(--c-fg-muted); font-weight: 500; }
.price-card .timeline { color: var(--c-fg-muted); font-size: var(--t-sm); margin-bottom: var(--s-sm); }
.price-card .pkg-for {
  color: var(--c-fg-soft); font-size: var(--t-sm);
  padding-bottom: var(--s-sm); margin-bottom: var(--s-sm);
  border-bottom: 1px dashed var(--c-border);
}
.price-card ul { display: flex; flex-direction: column; gap: 10px; margin-bottom: var(--s-md); }
.price-card ul li {
  display: flex; gap: 10px;
  font-size: var(--t-sm); color: var(--c-fg-soft);
  padding-left: 22px; position: relative;
}
.price-card ul li::before {
  content: ""; position: absolute; left: 0; top: 6px;
  width: 14px; height: 14px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/contain no-repeat;
  color: var(--c-fg);
}
.price-card.featured ul li::before { color: var(--c-bg); }
.price-extras {
  padding-top: var(--s-sm);
  border-top: 1px dashed var(--c-border);
  margin-top: auto;
  margin-bottom: var(--s-md);
  font-size: var(--t-xs);
  color: var(--c-fg-muted);
}
.price-extras strong { color: var(--c-fg); }
.price-card .btn { margin-top: auto; }
.price-card.featured .btn-primary { background: var(--c-bg); color: var(--c-fg); }
.price-card.featured .btn-primary:hover { background: #f0f0f0; }
.price-disclaimer { margin-top: var(--s-md); font-size: var(--t-xs); color: var(--c-fg-muted); text-align: center; }

/* ===== Process steps ===== */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-sm);
  counter-reset: step;
}
@media (max-width: 880px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } }
.step {
  padding: var(--s-md);
  border-top: 2px solid var(--c-fg);
  counter-increment: step;
}
.step::before {
  content: "0" counter(step);
  display: block;
  font-size: var(--t-sm); font-weight: 700;
  color: var(--c-fg-muted);
  margin-bottom: var(--s-xs);
}
.step h3 { font-size: var(--t-base); margin-bottom: 6px; }
.step p { color: var(--c-fg-soft); font-size: var(--t-sm); }

/* ===== About ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-lg);
  align-items: center;
}
@media (max-width: 880px) { .about-grid { grid-template-columns: 1fr; } }
.about-grid ul { display: flex; flex-direction: column; gap: var(--s-xs); }
.about-grid ul li {
  padding-left: 22px; position: relative;
  font-size: var(--t-sm); color: var(--c-fg-soft);
}
.about-grid ul li::before {
  content: "-"; position: absolute; left: 0; color: var(--c-fg);
  font-weight: 600;
}
.about-grid ul li strong { color: var(--c-fg); }
.about-link {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: var(--s-sm);
  font-weight: 600; color: var(--c-fg);
}
.about-link::after { content: "→"; transition: transform var(--d-base) var(--ease); }
.about-link:hover::after { transform: translateX(4px); }

/* ===== FAQ ===== */
.faq {
  display: flex; flex-direction: column;
  max-width: 820px;
  border-top: 1px solid var(--c-border);
}
.faq details {
  border-bottom: 1px solid var(--c-border);
  padding: var(--s-sm) 0;
  transition: padding var(--d-base) var(--ease);
}
.faq summary {
  font-weight: 600; font-size: var(--t-base);
  color: var(--c-fg);
  cursor: pointer; list-style: none;
  display: flex; justify-content: space-between; gap: var(--s-sm);
  padding: var(--s-2xs) 0;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; color: var(--c-fg-muted);
  font-weight: 300; font-size: 1.6rem; line-height: 1;
  transition: transform var(--d-base) var(--ease), color var(--d-base) var(--ease);
}
.faq details[open] summary::after { content: "−"; color: var(--c-fg); }
.faq details p {
  color: var(--c-fg-soft);
  margin-top: var(--s-2xs);
  font-size: var(--t-sm);
  max-width: 70ch;
}

/* ===== Contact ===== */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-xl);
  align-items: start;
}
@media (max-width: 880px) { .contact-wrap { grid-template-columns: 1fr; gap: var(--s-md); } }
.form { display: flex; flex-direction: column; gap: var(--s-sm); }
.form-row label {
  display: block;
  font-size: var(--t-xs);
  font-weight: 600;
  color: var(--c-fg);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}
.form-row input, .form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  background: var(--c-bg);
  font-size: var(--t-sm);
  transition: border-color var(--d-fast) var(--ease), box-shadow var(--d-fast) var(--ease);
}
.form-row input:focus, .form-row textarea:focus {
  outline: none;
  border-color: var(--c-fg);
  box-shadow: 0 0 0 3px oklch(22% 0.06 248 / 0.12);
}
.form-row textarea { min-height: 130px; resize: vertical; }
.form-success {
  display: none;
  padding: var(--s-sm);
  background: var(--c-success-bg);
  border: 1px solid oklch(78% 0.10 165);
  border-radius: var(--radius-md);
  color: var(--c-success);
  font-size: var(--t-sm);
}
.form-success.show { display: block; }
.contact-side h3 { font-size: var(--t-lg); margin-bottom: var(--s-2xs); }
.contact-side p { color: var(--c-fg-soft); margin-bottom: var(--s-sm); font-size: var(--t-sm); }
.contact-channels { display: flex; flex-direction: column; gap: var(--s-2xs); }
.channel {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 12px 16px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  background: var(--c-bg);
  font-size: var(--t-sm);
  font-weight: 500;
  transition: border-color var(--d-base) var(--ease), background var(--d-base) var(--ease);
}
.channel:hover { background: var(--c-bg-soft); border-color: var(--c-fg-muted); }
.channel svg { width: 20px; height: 20px; flex: 0 0 20px; }
.channel strong { color: var(--c-fg); font-weight: 700; }

/* ===== Final CTA ===== */
.final-cta-section { padding-bottom: var(--s-2xl); }
.final-cta {
  padding: var(--s-xl) var(--s-md);
  background: var(--c-fg);
  color: var(--c-bg);
  border-radius: var(--radius-xl);
  text-align: center;
}
.final-cta h2 {
  color: var(--c-bg);
  margin-bottom: var(--s-xs);
  max-width: 14ch;
  margin-left: auto;
  margin-right: auto;
}
.final-cta p { color: rgba(255,255,255,0.75); max-width: 50ch; margin: 0 auto var(--s-md); font-size: var(--t-base); }
.final-cta .btn-primary { background: var(--c-bg); color: var(--c-fg); }
.final-cta .btn-primary:hover { background: #f0f0f0; }
.final-cta-meta { margin-top: var(--s-lg); color: rgba(255,255,255,0.55); font-size: var(--t-xs); letter-spacing: 0.02em; }

/* ===== Footer ===== */
.footer { padding: var(--s-lg) 0 var(--s-md); border-top: 1px solid var(--c-border); }
.footer-row {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: var(--s-sm);
}
.footer .brand { color: var(--c-fg); }
.socials { display: flex; gap: var(--s-3xs); }
.socials a {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--c-bg-soft);
  display: flex; align-items: center; justify-content: center;
  color: var(--c-fg-muted);
  transition: background var(--d-base) var(--ease), color var(--d-base) var(--ease), transform var(--d-fast) var(--ease);
}
.socials a:hover { background: var(--c-fg); color: var(--c-bg); transform: translateY(-1px); }
.socials svg { width: 16px; height: 16px; }
.footer .copy { color: var(--c-fg-muted); font-size: var(--t-xs); }

/* =================================================================
   BRIEF page - long questionnaire layout
   ================================================================= */

.brief-hero { padding: var(--s-xl) 0 var(--s-md); }
.brief-hero h1 {
  font-size: clamp(2.25rem, 1.7rem + 3vw, 3.75rem);
  margin-bottom: var(--s-xs);
  max-width: 18ch;
}
.brief-hero .lead { max-width: 60ch; }
.brief-hero-actions { display: flex; flex-wrap: wrap; gap: var(--s-2xs); margin-top: var(--s-md); }

.brief-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--s-lg);
  padding-bottom: var(--s-2xl);
  align-items: start;
}
@media (max-width: 980px) { .brief-layout { grid-template-columns: 1fr; gap: var(--s-md); } }

/* ----- Sticky table of contents ----- */
.brief-toc {
  position: sticky;
  top: 88px;
  font-size: var(--t-sm);
  display: flex; flex-direction: column;
  gap: 2px;
  padding: var(--s-xs) 0;
  border-top: 1px solid var(--c-border);
}
@media (max-width: 980px) {
  .brief-toc {
    position: static; top: auto;
    flex-direction: row; flex-wrap: wrap; gap: 4px;
    padding: var(--s-xs) 0; border: 0;
    overflow-x: auto;
  }
}
.brief-toc a {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  color: var(--c-fg-muted);
  border-radius: var(--radius-sm);
  font-weight: 500;
  transition: color var(--d-fast) var(--ease), background var(--d-fast) var(--ease);
}
.brief-toc a:hover { color: var(--c-fg); background: var(--c-bg-soft); }
.brief-toc a .num {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 22px; height: 22px;
  font-size: var(--t-xs); font-weight: 700;
  color: var(--c-fg-muted);
  background: var(--c-bg-soft);
  border-radius: 6px;
}

/* ----- Brief form ----- */
.brief-form { display: flex; flex-direction: column; gap: var(--s-xl); }

.brief-section {
  scroll-margin-top: 88px;
  padding: var(--s-lg) 0;
  counter-reset: question;
}
.brief-section + .brief-section { border-top: 1px dashed var(--c-border); }

.brief-section-head {
  margin-bottom: var(--s-lg);
  display: flex; flex-direction: column; gap: 8px;
}
.brief-section-head .num {
  display: inline-flex; align-items: center; gap: 10px;
  width: max-content;
  padding: 6px 14px 6px 12px;
  font-size: var(--t-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--c-bg);
  background: var(--c-fg);
  border-radius: 999px;
  text-transform: uppercase;
}
.brief-section-head h2 {
  font-family: 'Bricolage Grotesque', 'Public Sans', system-ui, sans-serif;
  font-size: clamp(1.75rem, 1.4rem + 1.6vw, 2.6rem);
  letter-spacing: -0.035em;
  line-height: 1.05;
  color: var(--c-fg);
  font-variation-settings: 'opsz' 36, 'wdth' 100;
}

/* Each question: card-like, with numbered counter + breathing room */
.brief-q {
  counter-increment: question;
  display: flex; flex-direction: column;
  gap: 10px;
  padding: var(--s-md) 0 var(--s-md) 0;
  position: relative;
  border-bottom: 1px solid var(--c-border-soft);
}
.brief-q:last-child { border-bottom: 0; }

.brief-q-label {
  font-family: 'Bricolage Grotesque', 'Public Sans', system-ui, sans-serif;
  font-size: clamp(1.15rem, 1.05rem + 0.5vw, 1.45rem);
  font-weight: 600;
  color: var(--c-fg);
  line-height: 1.25;
  letter-spacing: -0.015em;
  font-variation-settings: 'opsz' 24, 'wdth' 100;
  display: flex; align-items: baseline; gap: 12px;
}
.brief-q-label::before {
  content: counter(question, decimal-leading-zero);
  flex: 0 0 auto;
  font-family: 'Public Sans', system-ui, sans-serif;
  font-size: 0.7em;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--c-fg-muted);
  background: var(--c-bg-soft);
  padding: 4px 10px;
  border-radius: 999px;
  line-height: 1;
  border: 1px solid var(--c-border);
}

.brief-q-help {
  font-size: var(--t-sm);
  color: var(--c-fg-muted);
  line-height: 1.55;
  max-width: 65ch;
  margin-left: 44px;
  font-style: italic;
}
.brief-q .req {
  color: oklch(45% 0.18 25);
  font-weight: 700;
  font-size: 0.9em;
}

/* Inputs sit indented to align under question text */
.brief-q input[type="text"],
.brief-q input[type="email"],
.brief-q input[type="tel"],
.brief-q input[type="url"],
.brief-q textarea,
.brief-q .chip-grid {
  margin-left: 44px;
}
@media (max-width: 720px) {
  .brief-q-label { font-size: 1.1rem; gap: 10px; }
  .brief-q-label::before { padding: 3px 8px; font-size: 0.65em; }
  .brief-q-help,
  .brief-q input[type="text"],
  .brief-q input[type="email"],
  .brief-q input[type="tel"],
  .brief-q input[type="url"],
  .brief-q textarea,
  .brief-q .chip-grid { margin-left: 0; }
}

.brief-q input[type="text"],
.brief-q input[type="email"],
.brief-q input[type="tel"],
.brief-q input[type="url"],
.brief-q textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  background: var(--c-bg-elevated);
  font-size: var(--t-sm);
  font-family: inherit;
  transition: border-color var(--d-fast) var(--ease), box-shadow var(--d-fast) var(--ease);
  margin-top: 4px;
}
.brief-q input:focus,
.brief-q textarea:focus {
  outline: none;
  border-color: var(--c-fg);
  box-shadow: 0 0 0 3px oklch(20% 0.014 60 / 0.08);
}
.brief-q textarea { min-height: 110px; resize: vertical; }

/* ----- Chip-style multi-select (checkboxes) ----- */
.chip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
}
.chip {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
}
.chip input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.chip-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  font-size: var(--t-sm);
  font-weight: 500;
  color: var(--c-fg-soft);
  background: var(--c-bg-elevated);
  border: 1px solid var(--c-border);
  border-radius: 999px;
  transition: all var(--d-fast) var(--ease);
  user-select: none;
}
.chip:hover .chip-label { border-color: var(--c-fg-muted); color: var(--c-fg); }
.chip input:checked + .chip-label {
  background: var(--c-fg);
  color: var(--c-accent-fg);
  border-color: var(--c-fg);
}
.chip input:focus-visible + .chip-label {
  outline: 2px solid var(--c-fg);
  outline-offset: 3px;
}

/* Radio chips (single-select) - same look, single mark */
.chip[data-radio] input:checked + .chip-label::before {
  content: "✓"; font-weight: 700;
}

/* Submit row */
.brief-submit {
  padding-top: var(--s-md);
  display: flex; flex-direction: column; gap: var(--s-sm);
}
.brief-submit .form-success { margin: 0; }
.brief-submit-row { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-sm); }
.brief-submit-row .btn { min-width: 200px; }
.brief-submit-row .muted { max-width: 50ch; }

/* ===== WhatsApp floating button ===== */
.whatsapp-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 100;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25d366; color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(37,211,102,0.35);
  transition: transform var(--d-base) var(--ease-spring), box-shadow var(--d-base) var(--ease);
}
.whatsapp-float:hover { transform: scale(1.08); box-shadow: 0 12px 30px rgba(37,211,102,0.45); }
.whatsapp-float svg { width: 28px; height: 28px; }

/* Reveal class is a no-op without JS - content is always visible.
   When script.js loads, it can layer in motion progressively. */
.reveal { opacity: 1; transform: none; }

/* ===== Mobile tweaks ===== */
@media (max-width: 520px) {
  .nav-right .btn { padding: 0 16px; font-size: var(--t-xs); min-height: 40px; }
  .lang { font-size: 0.7rem; }
  .lang a { padding: 4px 8px; }
}