/* ============================================================
   HSLnFlow — visual system
   Tokens follow the landing-page-design skill (spacing, radius,
   type scale, motion). Brand: black + orange, editorial dark.
   ============================================================ */

:root {
  /* brand */
  --black: #000000;
  --ink-1: #131209;   /* warm near-black, primary dark surface */
  --ink-2: #1f1f1f;
  --ink-3: #272727;
  --ink-4: #313131;
  --paper: #ffffff;
  --paper-2: #f5f3ef; /* warm off-white for muted light sections */
  --line: #e7e3db;

  --orange: #ff900b;
  --orange-strong: #e07e00;

  --text: #191714;
  --text-muted: #5c574e;
  --text-on-dark: #f4f2ee;
  --text-on-dark-muted: #a9a29a;

  /* spacing scale (skill B2) */
  --s-50: 4px;
  --s-75: 8px;
  --s-100: 12px;
  --s-200: 16px;
  --s-300: 24px;
  --s-400: 32px;
  --s-500: 40px;
  --s-600: 48px;
  --s-700: 64px;
  --s-800: 80px;
  --s-900: 96px;

  /* radius (skill B3) */
  --r-sm: 12px;
  --r-md: 16px;
  --r-lg: 24px;
  --r-pill: 999px;

  /* motion (skill B7) */
  --ease: cubic-bezier(0.32, 0.72, 0, 1);
  --dur: 700ms;

  --maxw: 1180px;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
body {
  font-family: "Manrope", ui-sans-serif, system-ui, sans-serif;
  color: var(--text);
  background: var(--paper);
  line-height: 1.6;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { line-height: 1.1; text-wrap: balance; letter-spacing: -0.02em; }
p { text-wrap: pretty; }
ul, ol { list-style: none; padding: 0; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--s-300);
}
.container--narrow { max-width: 760px; }

/* ---------- skip link ---------- */
.skip-link {
  position: absolute;
  left: var(--s-200);
  top: -60px;
  background: var(--ink-1);
  color: var(--text-on-dark);
  padding: var(--s-100) var(--s-200);
  border-radius: var(--r-sm);
  z-index: 200;
  transition: top var(--dur) var(--ease);
}
.skip-link:focus { top: var(--s-200); }

/* ---------- shared type ---------- */
.eyebrow {
  font-size: 0.875rem;      /* text-sm */
  line-height: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: var(--s-200);
}
.eyebrow--on-dark { color: var(--orange); }

.section { padding-block: var(--s-900); }
.section--muted { background: var(--paper-2); }
.section--ink { background: var(--ink-1); color: var(--text-on-dark); }

.section__title {
  font-size: clamp(1.75rem, 4vw, 3rem);  /* text-3xl -> text-5xl */
  font-weight: 800;
  max-width: 680px;
}
.section__title--light { color: var(--text-on-dark); }
.section__lead {
  margin-top: var(--s-300);
  max-width: 620px;
  font-size: 1.125rem;      /* text-lg */
  line-height: 1.75rem;
  color: var(--text-muted);
}
.section__lead--light { color: var(--text-on-dark-muted); }

/* ---------- buttons ---------- */
.btn {
  --btn-pad-y: 8px;
  --btn-pad-x: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-75);
  font: inherit;
  font-weight: 700;
  font-size: 1rem;          /* text-base */
  line-height: 1.5rem;
  padding: var(--btn-pad-y) var(--btn-pad-x);
  border-radius: var(--r-pill);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform var(--dur) var(--ease),
              background-color var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              color var(--dur) var(--ease);
}
.btn--sm { font-size: 0.875rem; line-height: 1.25rem; }
.btn--lg { --btn-pad-y: 14px; --btn-pad-x: 26px; }
.btn:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}
.btn:active { transform: translateY(1px) scale(0.985); }

.btn--accent { background: var(--orange); color: #1b1205; }
.btn--accent:hover { background: var(--orange-strong); transform: translateY(-1px); }

.btn--ghost-light { border-color: rgba(255,255,255,0.55); color: #fff; }
.btn--ghost-light:hover { background: rgba(255,255,255,0.12); border-color: #fff; }

.btn--ghost-dark { border-color: var(--line); color: var(--text); }
.btn--ghost-dark:hover { background: var(--paper-2); }

/* ---------- logo ---------- */
.nav__logo { height: 26px; width: auto; display: block; }
.footer__logo-img { height: 32px; width: auto; display: block; }

/* ============================================================
   NAV — floating glass island (skill B7)
   ============================================================ */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  justify-content: center;
  pointer-events: none;
}
.nav {
  pointer-events: auto;
  margin-top: var(--s-300);
  width: max-content;
  max-width: calc(100vw - var(--s-400));
  display: flex;
  align-items: center;
  gap: var(--s-300);
  padding: var(--s-75) var(--s-75) var(--s-75) var(--s-300);
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  border: 1px solid rgba(19, 18, 9, 0.08);
  box-shadow: 0 10px 40px -12px rgba(19, 18, 9, 0.25);
  transition: background-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.nav__brand { display: inline-flex; align-items: center; gap: var(--s-100); }
.nav__links { display: flex; align-items: center; gap: var(--s-300); }
.nav__links a {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: color var(--dur) var(--ease);
}
.nav__links a:hover, .nav__links a.is-active { color: var(--ink-1); }
.nav__cta { white-space: nowrap; }

.nav__toggle {
  display: none;
  width: 42px; height: 42px;
  border: 0; background: transparent;
  position: relative; cursor: pointer;
  border-radius: var(--r-pill);
}
.nav__toggle-bar {
  position: absolute;
  left: 11px; right: 11px;
  height: 2px; border-radius: 2px;
  background: var(--ink-1);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.nav__toggle-bar:nth-child(1) { top: 17px; }
.nav__toggle-bar:nth-child(2) { top: 24px; }
body.menu-open .nav__toggle-bar:nth-child(1) { transform: translateY(4px) rotate(45deg); }
body.menu-open .nav__toggle-bar:nth-child(2) { transform: translateY(-3px) rotate(-45deg); }

/* full-screen overlay menu */
.nav-overlay {
  position: fixed; inset: 0; z-index: 90;
  background: rgba(19, 18, 9, 0.82);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  display: grid; place-items: center;
  opacity: 0; pointer-events: none;
  transition: opacity var(--dur) var(--ease);
}
.nav-overlay.is-open { opacity: 1; pointer-events: auto; }
.nav-overlay__links { display: grid; gap: var(--s-200); text-align: center; }
.nav-overlay__links li {
  opacity: 0;
  transform: translateY(48px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  transition-delay: calc(var(--i) * 55ms);
}
.nav-overlay.is-open .nav-overlay__links li { opacity: 1; transform: translateY(0); }
.nav-overlay__links a {
  font-size: 1.875rem; font-weight: 800; color: var(--text-on-dark);
  letter-spacing: -0.02em;
}
.nav-overlay__links a.btn { font-size: 1rem; color: #1b1205; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 82vh;
  display: flex;
  align-items: flex-end;
  padding-block: var(--s-900) var(--s-800);
  background: var(--ink-1);
  overflow: hidden;
  isolation: isolate;
}
.hero__media { position: absolute; inset: 0; z-index: -1; }
.hero__img { width: 100%; height: 100%; object-fit: cover; }
.hero__img.is-broken { display: none; }
.hero__scrim {
  position: absolute; inset: 0;
  background:
    linear-gradient(to right, rgba(9,8,4,0.92) 0%, rgba(9,8,4,0.62) 45%, rgba(9,8,4,0.30) 100%),
    linear-gradient(to top, rgba(9,8,4,0.9) 0%, rgba(9,8,4,0.1) 40%);
}
.hero__inner { position: relative; }
.hero__title {
  color: #fff;
  font-weight: 800;
  font-size: clamp(2.05rem, 4.6vw, 3.25rem); /* text-4xl -> text-5xl range */
  max-width: 860px;
  text-wrap: balance;
}
.hero__sub {
  margin-top: var(--s-300);
  max-width: 560px;
  color: rgba(255,255,255,0.82);
  font-size: 1.125rem;
  line-height: 1.75rem;
}
.hero__actions {
  margin-top: var(--s-500);
  display: flex; flex-wrap: wrap; gap: var(--s-200);
}
.hero__proof {
  margin-top: var(--s-500);
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.01em;
}

/* ============================================================
   PROBLEM — light card overlapping the hero
   ============================================================ */
.card-overlap {
  position: relative;
  z-index: 2;
  margin-top: -52px;
  background: var(--paper);
  border-radius: var(--r-lg) var(--r-lg) 0 0;
  padding-top: var(--s-700);
}
.pain-grid {
  margin-top: var(--s-600);
  display: grid;
  gap: var(--s-300);
  grid-template-columns: repeat(3, 1fr);
}
.pain {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: var(--s-400);
}
.pain__icon {
  display: grid; place-items: center;
  width: 46px; height: 46px;
  border-radius: var(--r-sm);
  background: var(--ink-1);
  color: var(--orange);
  margin-bottom: var(--s-200);
}
.pain__icon svg { width: 24px; height: 24px; }
.pain__title { font-size: 1.125rem; font-weight: 700; margin-bottom: var(--s-75); }
.pain p { color: var(--text-muted); font-size: 0.9375rem; }

/* ============================================================
   TAGLINE REVEAL (skill B11)
   ============================================================ */
.reveal-band { background: var(--ink-1); padding-block: var(--s-900); }
.reveal-band__text {
  font-size: clamp(1.75rem, 3.6vw, 3rem);  /* text-3xl -> text-5xl */
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.02em;
  max-width: 720px;
  color: var(--text-on-dark);
}
.reveal-band__text .w {
  color: rgba(244, 242, 238, 0.28);
  transition: color var(--dur) var(--ease);
}
.reveal-band__text .w.lit { color: var(--text-on-dark); }

/* ============================================================
   SERVICES
   ============================================================ */
.service-grid {
  margin-top: var(--s-600);
  display: grid;
  gap: var(--s-300);
  grid-template-columns: repeat(2, 1fr);
}
.service-card {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: var(--s-500);
  background: var(--paper);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.service-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 50px -24px rgba(19, 18, 9, 0.28);
}
.service-card__icon {
  display: grid; place-items: center;
  width: 52px; height: 52px;
  border-radius: var(--r-sm);
  background: var(--ink-1);
  color: var(--orange);
  margin-bottom: var(--s-300);
}
.service-card__icon svg { width: 26px; height: 26px; }
.service-card h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: var(--s-75); }
.service-card p { color: var(--text-muted); }

.tag-row {
  margin-top: var(--s-500);
  display: flex; flex-wrap: wrap; gap: var(--s-100);
}
.tag-row li {
  font-size: 0.875rem; font-weight: 600;
  color: var(--text-muted);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  padding: 6px 14px;
}

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.steps {
  margin-top: var(--s-600);
  display: grid;
  gap: var(--s-300);
  grid-template-columns: repeat(4, 1fr);
  counter-reset: step;
}
.step {
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--r-lg);
  padding: var(--s-400);
  background: var(--ink-2);
}
.step__num {
  font-size: 0.875rem; font-weight: 700;
  color: var(--orange);
  letter-spacing: 0.1em;
}
.step h3 {
  margin: var(--s-200) 0 var(--s-75);
  font-size: 1.0625rem; font-weight: 700;
  color: var(--text-on-dark);
}
.step p { color: var(--text-on-dark-muted); font-size: 0.9375rem; }

/* ============================================================
   WHO WE SERVE
   ============================================================ */
.serve-grid {
  margin-top: var(--s-600);
  display: grid;
  gap: var(--s-300);
  grid-template-columns: repeat(4, 1fr);
}
.serve-card {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: var(--s-400);
  background: var(--paper);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.serve-card:hover { transform: translateY(-3px); border-color: var(--orange); }
.serve-card__icon {
  display: grid; place-items: center;
  width: 48px; height: 48px;
  border-radius: var(--r-sm);
  background: var(--ink-1);
  color: var(--orange);
  margin-bottom: var(--s-200);
}
.serve-card__icon svg { width: 24px; height: 24px; }
.serve-card h3 { font-size: 1.0625rem; font-weight: 700; margin-bottom: var(--s-75); }
.serve-card p { color: var(--text-muted); font-size: 0.9375rem; }

/* ============================================================
   WHY — two-tone split
   ============================================================ */
.split {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--s-300);
}
.split__light {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: var(--s-600);
}
.split__ink {
  background: var(--ink-1);
  color: var(--text-on-dark);
  border-radius: var(--r-lg);
  padding: var(--s-600);
  display: flex; flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: var(--s-200);
}
.split__ink-title { font-size: 1.5rem; font-weight: 800; color: #fff; }
.split__ink p { color: var(--text-on-dark-muted); }
.split__ink .btn { margin-top: var(--s-200); }
.why-list { margin-top: var(--s-400); display: grid; gap: var(--s-300); }
.why-list h3 { font-size: 1.125rem; font-weight: 700; margin-bottom: 4px; }
.why-list p { color: var(--text-muted); font-size: 0.9375rem; }

/* ============================================================
   FAQ
   ============================================================ */
.faq { margin-top: var(--s-500); border-top: 1px solid var(--line); }
.faq__item { border-bottom: 1px solid var(--line); padding: var(--s-300) 0; }
.faq__item summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 1.0625rem;
  list-style: none;
  display: flex; justify-content: space-between; align-items: center;
  gap: var(--s-200);
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: "+";
  font-weight: 700;
  color: var(--orange);
  font-size: 1.25rem;
  transition: transform var(--dur) var(--ease);
}
.faq__item[open] summary::after { transform: rotate(45deg); }
.faq__item p { margin-top: var(--s-200); color: var(--text-muted); max-width: 60ch; }

/* ============================================================
   SOCIAL PROOF
   ============================================================ */
.quote-grid {
  margin-top: var(--s-600);
  display: grid;
  gap: var(--s-300);
  grid-template-columns: repeat(3, 1fr);
}
.quote-card {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: var(--s-400);
  background: var(--paper);
  display: flex; flex-direction: column; gap: var(--s-300);
}
.quote-card blockquote { font-size: 1.0625rem; line-height: 1.55; }
.quote-card figcaption { display: flex; align-items: center; gap: var(--s-200); }
.quote-card__avatar {
  display: grid; place-items: center;
  width: 42px; height: 42px; flex: none;
  border-radius: var(--r-pill);
  background: var(--ink-1); color: var(--orange);
  font-size: 0.8125rem; font-weight: 700;
}
.quote-card__meta { display: grid; }
.quote-card__meta strong { font-weight: 700; font-size: 0.9375rem; }
.quote-card__meta span { color: var(--text-muted); font-size: 0.8125rem; }
.quote-card__tag {
  display: flex; align-items: center; gap: var(--s-75);
  font-size: 0.8125rem; color: var(--text-muted);
  padding-top: var(--s-200); border-top: 1px solid var(--line);
}
.ico-play {
  width: 18px; height: 18px; flex: none;
  border-radius: var(--r-pill);
  background: var(--orange);
  position: relative;
}
.ico-play::after {
  content: ""; position: absolute;
  left: 7px; top: 5px;
  border-style: solid;
  border-width: 4px 0 4px 6px;
  border-color: transparent transparent transparent #1b1205;
}
.logo-strip {
  margin-top: var(--s-700);
  display: flex; flex-wrap: wrap;
  gap: var(--s-500);
  align-items: center;
  justify-content: center;
  padding-top: var(--s-500);
  border-top: 1px solid var(--line);
}
.logo-strip span {
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: 1.0625rem;
  color: #b7b1a6;
}

/* ============================================================
   FINAL CTA + FORM
   ============================================================ */
.contact__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-700);
  align-items: start;
}
.contact__details {
  margin-top: var(--s-500);
  display: grid;
  gap: var(--s-100);
}
.contact__details li {
  display: grid;
  gap: 2px;
  padding: var(--s-200) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.contact__details li:last-child { border-bottom: 1px solid rgba(255, 255, 255, 0.12); }
.contact__label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange);
}
.contact__details a,
.contact__details span:not(.contact__label) {
  color: var(--text-on-dark);
  font-size: 0.9375rem;
}
.contact__details a {
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--dur) var(--ease);
}
.contact__details a:hover { color: var(--orange); }

.cta-form {
  display: grid;
  gap: var(--s-300);
  background: var(--ink-2);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--r-lg);
  padding: var(--s-500);
}
.field { display: grid; gap: var(--s-75); }
.field label {
  font-size: 0.875rem; font-weight: 600;
  color: var(--text-on-dark);
}
.field input, .field textarea {
  font: inherit;
  color: #fff;
  background: var(--ink-3);
  border: 1.5px solid rgba(255,255,255,0.14);
  border-radius: var(--r-sm);
  padding: var(--s-100) var(--s-200);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--orange);
  background: var(--ink-4);
}
.field input:focus-visible, .field textarea:focus-visible { outline: 2px solid var(--orange); outline-offset: 2px; }
.field textarea { resize: vertical; }
.field--invalid input, .field--invalid textarea { border-color: #ff8f6b; }
.field__error {
  font-size: 0.8125rem;
  color: #ffb59c;
  min-height: 1em;
}
.cta-form__submit { justify-self: start; margin-top: var(--s-100); }
.cta-form__note { font-size: 0.875rem; color: var(--text-on-dark-muted); }
.cta-form__note a { color: var(--orange); text-decoration: underline; text-underline-offset: 3px; }
.cta-form__status { font-size: 0.9375rem; color: var(--orange); min-height: 1.25em; font-weight: 600; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--black); color: var(--text-on-dark); padding-top: var(--s-900); }
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: var(--s-500);
  padding-bottom: var(--s-800);
}
.footer__logo { display: inline-flex; align-items: center; gap: var(--s-100); margin-bottom: var(--s-200); }
.footer__brand p { color: var(--text-on-dark-muted); max-width: 30ch; font-size: 0.9375rem; }
.footer__col h2 {
  font-size: 0.8125rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--text-on-dark-muted);
  margin-bottom: var(--s-200);
}
.footer__col ul { display: grid; gap: var(--s-100); }
.footer__col a { font-size: 0.9375rem; color: var(--text-on-dark); transition: color var(--dur) var(--ease); }
.footer__col a:hover { color: var(--orange); }
.footer__social { display: flex; gap: var(--s-100); }
.footer__social a {
  display: grid; place-items: center;
  width: 40px; height: 40px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(255,255,255,0.28);
  color: var(--text-on-dark);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.footer__social a:hover { background: rgba(255,255,255,0.06); }
.footer__social svg { width: 18px; height: 18px; }
.footer__social a:hover { border-color: var(--orange); color: var(--orange); }
.footer__bar { border-top: 1px solid rgba(255,255,255,0.12); padding-block: var(--s-300); }
.footer__bar-inner { display: flex; justify-content: space-between; gap: var(--s-200); flex-wrap: wrap; }
.footer__bar p, .footer__bar a { font-size: 0.8125rem; color: var(--text-on-dark-muted); }
.footer__bar ul { display: flex; gap: var(--s-300); }
.footer__bar a:hover { color: var(--orange); }

/* ============================================================
   WHATSAPP FLOATING BUTTON
   ============================================================ */
.whatsapp-fab {
  position: fixed;
  right: calc(var(--s-300) + env(safe-area-inset-right, 0px));
  bottom: calc(var(--s-300) + env(safe-area-inset-bottom, 0px));
  z-index: 80;
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: var(--r-pill);
  background: #25d366;
  color: #fff;
  box-shadow: 0 12px 30px -6px rgba(18, 140, 70, 0.5), 0 4px 10px rgba(0, 0, 0, 0.18);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.whatsapp-fab svg { width: 30px; height: 30px; }
.whatsapp-fab:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 16px 36px -6px rgba(18, 140, 70, 0.55), 0 6px 14px rgba(0, 0, 0, 0.2);
}
.whatsapp-fab:active { transform: scale(0.95); }
.whatsapp-fab:focus-visible { outline: 2px solid var(--orange); outline-offset: 3px; }

@media (max-width: 760px) {
  .whatsapp-fab {
    width: 52px;
    height: 52px;
    right: calc(var(--s-200) + env(safe-area-inset-right, 0px));
    bottom: calc(var(--s-200) + env(safe-area-inset-bottom, 0px));
  }
  .whatsapp-fab svg { width: 28px; height: 28px; }
}

@media (prefers-reduced-motion: reduce) {
  .whatsapp-fab { transition: none; }
  .whatsapp-fab:hover { transform: none; }
}

/* ============================================================
   SCROLL REVEAL (skill B7)
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(56px);
  filter: blur(10px);
  transition: opacity 800ms var(--ease), transform 800ms var(--ease), filter 800ms var(--ease);
}
.reveal.in { opacity: 1; transform: none; filter: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal, .nav-overlay__links li { opacity: 1 !important; transform: none !important; filter: none !important; transition: none !important; }
  .btn, .service-card, .serve-card { transition: none !important; }
  .reveal-band__text .w { color: var(--text-on-dark); }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .service-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .serve-grid { grid-template-columns: repeat(2, 1fr); }
  .quote-grid { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .contact__layout { grid-template-columns: 1fr; gap: var(--s-500); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 1000px) {
  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: block; }
  .nav { padding: var(--s-75) var(--s-100) var(--s-75) var(--s-300); gap: var(--s-100); }
}

@media (max-width: 760px) {
  .section { padding-block: var(--s-800); }
  .pain-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .serve-grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: var(--s-400); }
  .card-overlap { margin-top: -48px; }
  .hero { min-height: 88vh; }
  .split__light, .split__ink { padding: var(--s-500); }
  .cta-form { padding: var(--s-400); }
}