/* =========================================================
   Care4u — Static marketing site
   styles.css
   ========================================================= */

/* ---------- Design tokens ---------- */
:root {
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: #60a5fa;
  --color-accent: #0ea5e9;
  --color-bg: #ffffff;
  --color-bg-alt: #f1f5f9;
  --color-bg-dark: #0f172a;
  --color-surface: #ffffff;
  --color-text: #0f172a;
  --color-text-muted: #475569;
  --color-text-invert: #f8fafc;
  --color-border: #e2e8f0;
  --color-success: #16a34a;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  --container: 1140px;
  --gutter: clamp(1rem, 4vw, 2.5rem);

  --font-sans: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont,
    "Helvetica Neue", Arial, sans-serif;

  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  font-size: 1rem;
  overflow-x: hidden;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-primary-dark);
}

h1,
h2,
h3,
h4 {
  line-height: 1.2;
  color: var(--color-text);
  margin: 0 0 0.5em;
  font-weight: 700;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.25rem;
}

p {
  margin: 0 0 1rem;
  color: var(--color-text-muted);
}

ul {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
}

:focus-visible {
  outline: 3px solid var(--color-primary-light);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: clamp(3rem, 8vw, 6rem);
}

.section--alt {
  background: var(--color-bg-alt);
}

.section__header {
  max-width: 720px;
  margin: 0 auto clamp(2rem, 5vw, 3.5rem);
  text-align: center;
}

.section__eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.section__lead {
  font-size: 1.1rem;
  color: var(--color-text-muted);
}

.text-center {
  text-align: center;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  z-index: 1000;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  color: #fff;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 1rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition),
    background var(--transition), color var(--transition);
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-md);
}

.btn--primary:hover {
  background: var(--color-primary-dark);
  color: #fff;
}

.btn--ghost {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-border);
}

.btn--ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
}

.btn--light {
  background: #fff;
  color: var(--color-primary);
}

.btn--light:hover {
  color: var(--color-primary-dark);
}

/* ---------- Google Play badge ---------- */
.play-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: #0f172a;
  color: #fff;
  border-radius: var(--radius-md);
  padding: 0.7rem 1.4rem;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), box-shadow var(--transition);
}

.play-badge:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: #fff;
}

.play-badge svg {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.play-badge__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  text-align: left;
}

.play-badge__small {
  font-size: 0.7rem;
  opacity: 0.85;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.play-badge__big {
  font-size: 1.15rem;
  font-weight: 700;
}

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 68px;
}

.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.nav__brand:hover {
  color: var(--color-text);
}

.nav__logo {
  width: 36px;
  height: 36px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__links a:not(.btn) {
  display: inline-block;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-weight: 500;
}

.nav__links a:not(.btn):hover,
.nav__links a:not(.btn)[aria-current="page"] {
  color: var(--color-primary);
  background: var(--color-bg-alt);
}

.nav__cta {
  margin-left: 0.5rem;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin-inline: auto;
  background: var(--color-text);
  transition: transform var(--transition), opacity var(--transition);
}

.nav__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: radial-gradient(
      1200px 600px at 10% -10%,
      rgba(96, 165, 250, 0.25),
      transparent
    ),
    radial-gradient(
      900px 500px at 100% 0%,
      rgba(14, 165, 233, 0.18),
      transparent
    ),
    var(--color-bg);
  overflow: hidden;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: clamp(2rem, 5vw, 4rem);
  padding-block: clamp(3rem, 8vw, 6rem);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(37, 99, 235, 0.1);
  color: var(--color-primary-dark);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-pill);
  margin-bottom: 1.25rem;
}

.hero h1 {
  margin-bottom: 1rem;
}

.hero__lead {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  max-width: 36ch;
  margin-bottom: 1.75rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: 2rem;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.hero__trust span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.hero__trust svg {
  width: 18px;
  height: 18px;
  color: var(--color-success);
}

/* Phone mockup */
.hero__visual {
  display: flex;
  justify-content: center;
}

.phone {
  position: relative;
  width: 280px;
  max-width: 80%;
  aspect-ratio: 9 / 19;
  background: linear-gradient(160deg, #1e293b, #0f172a);
  border-radius: 38px;
  padding: 14px;
  box-shadow: var(--shadow-lg);
  border: 2px solid #334155;
}

.phone__screen {
  height: 100%;
  border-radius: 28px;
  background: linear-gradient(170deg, #eff6ff, #dbeafe);
  padding: 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  overflow: hidden;
}

.phone__notch {
  position: absolute;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  width: 90px;
  height: 18px;
  background: #0f172a;
  border-radius: var(--radius-pill);
  z-index: 2;
}

.phone__title {
  font-weight: 700;
  color: var(--color-text);
  font-size: 0.95rem;
  margin-top: 0.5rem;
}

.cmd-chip {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: #fff;
  border-radius: var(--radius-md);
  padding: 0.6rem 0.75rem;
  box-shadow: var(--shadow-sm);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
}

.cmd-chip__icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(37, 99, 235, 0.12);
  font-size: 1rem;
}

.cmd-chip__status {
  margin-left: auto;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-success);
}

/* ---------- Feature cards ---------- */
.grid {
  display: grid;
  gap: 1.5rem;
}

.grid--3 {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.grid--2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition),
    border-color var(--transition);
  height: 100%;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}

.card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(14, 165, 233, 0.12));
  margin-bottom: 1rem;
}

.card h3 {
  margin-bottom: 0.4rem;
}

.card p {
  margin-bottom: 0;
  font-size: 0.95rem;
}

.badge-premium {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #b45309;
  background: #fef3c7;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-pill);
  margin-left: 0.4rem;
  vertical-align: middle;
}

.badge-free {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-success);
  background: #dcfce7;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-pill);
  margin-left: 0.4rem;
  vertical-align: middle;
}

/* ---------- Steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  counter-reset: step;
}

.step {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2.25rem 1.5rem 1.5rem;
  box-shadow: var(--shadow-sm);
}

.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  top: -18px;
  left: 1.5rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: 1.15rem;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-md);
}

.step h3 {
  margin-bottom: 0.35rem;
}

.step p {
  margin-bottom: 0;
  font-size: 0.95rem;
}

/* ---------- Benefits / split ---------- */
.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.checklist {
  list-style: none;
  padding: 0;
  margin: 0;
}

.checklist li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 2px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-success) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E")
    center / 13px no-repeat;
}

.checklist li strong {
  color: var(--color-text);
}

/* ---------- Screenshots ---------- */
.screens {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.screen-ph {
  position: relative;
  overflow: hidden;
  aspect-ratio: 9 / 19;
  border-radius: var(--radius-lg);
  background: linear-gradient(170deg, #e0f2fe, #dbeafe);
  border: 1px dashed var(--color-primary-light);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  text-align: center;
  padding: 1.5rem;
  color: var(--color-primary-dark);
  transition: transform var(--transition), box-shadow var(--transition);
}

/* When a real screenshot is present it fills the frame */
.screen-ph img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.screen-ph:has(img) {
  border-style: solid;
  border-color: var(--color-border);
}

.screen-ph:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.screen-ph__icon {
  font-size: 2rem;
}

.screen-ph__label {
  font-weight: 700;
  font-size: 0.95rem;
}

.screen-ph__hint {
  font-size: 0.8rem;
  opacity: 0.8;
}

/* ---------- Stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.5rem;
  text-align: center;
}

.stat__num {
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.1;
}

.stat__label {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff;
  border-radius: var(--radius-lg);
  padding: clamp(2.5rem, 6vw, 4rem);
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.cta-band h2,
.cta-band p {
  color: #fff;
}

.cta-band p {
  opacity: 0.95;
  max-width: 60ch;
  margin-inline: auto;
  margin-bottom: 1.75rem;
}

.cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

/* ---------- FAQ accordion ---------- */
.faq-group {
  margin-bottom: 2.5rem;
}

.faq-group__title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.35rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-border);
}

.accordion {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.accordion__item + .accordion__item {
  border-top: 1px solid var(--color-border);
}

.accordion__trigger {
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  padding: 1.1rem 1.25rem;
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
}

.accordion__trigger:hover {
  background: var(--color-bg-alt);
}

.accordion__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  position: relative;
  transition: transform var(--transition);
}

.accordion__icon::before,
.accordion__icon::after {
  content: "";
  position: absolute;
  background: var(--color-primary);
  border-radius: 2px;
}

.accordion__icon::before {
  top: 11px;
  left: 4px;
  width: 16px;
  height: 2px;
}

.accordion__icon::after {
  top: 4px;
  left: 11px;
  width: 2px;
  height: 16px;
  transition: transform var(--transition), opacity var(--transition);
}

.accordion__trigger[aria-expanded="true"] .accordion__icon::after {
  transform: rotate(90deg);
  opacity: 0;
}

.accordion__panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition);
}

.accordion__panel-inner {
  padding: 0 1.25rem 1.2rem;
}

.accordion__panel-inner p {
  margin: 0;
}

/* ---------- Legal / prose ---------- */
.prose {
  max-width: 800px;
  margin-inline: auto;
}

.prose h2 {
  font-size: 1.5rem;
  margin-top: 2.25rem;
}

.prose h3 {
  margin-top: 1.5rem;
}

.prose ul {
  color: var(--color-text-muted);
}

.prose li {
  margin-bottom: 0.5rem;
}

.callout {
  background: #eff6ff;
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
}

.callout p {
  margin: 0;
  color: var(--color-text);
  font-size: 0.95rem;
}

.toc {
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
}

.toc strong {
  display: block;
  margin-bottom: 0.5rem;
}

.toc ul {
  columns: 2;
  column-gap: 2rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.toc li {
  margin-bottom: 0.4rem;
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: start;
}

.contact-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
}

.contact-card__icon {
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
  font-size: 1.3rem;
  background: rgba(37, 99, 235, 0.1);
}

.contact-card h3 {
  margin-bottom: 0.25rem;
  font-size: 1.05rem;
}

.contact-card p {
  margin: 0;
  font-size: 0.95rem;
}

.form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: clamp(1.5rem, 4vw, 2.25rem);
  box-shadow: var(--shadow-sm);
}

.form__row {
  margin-bottom: 1.25rem;
}

.form label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.4rem;
  font-size: 0.95rem;
}

.form input,
.form textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-text);
  background: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form input:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form textarea {
  min-height: 140px;
  resize: vertical;
}

.form__note {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 1rem;
}

.form__status {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  display: none;
}

.form__status--ok {
  display: block;
  background: #dcfce7;
  color: #166534;
}

.form__status--err {
  display: block;
  background: #fee2e2;
  color: #991b1b;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-bg-dark);
  color: var(--color-text-invert);
  padding-block: clamp(2.5rem, 6vw, 4rem) 1.5rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
  font-size: 1.25rem;
  color: #fff;
  margin-bottom: 0.75rem;
}

.footer__brand:hover {
  color: #fff;
}

.footer p {
  color: #cbd5e1;
  font-size: 0.95rem;
  max-width: 38ch;
}

.footer h4 {
  color: #fff;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer li {
  margin-bottom: 0.6rem;
}

.footer a {
  color: #cbd5e1;
}

.footer a:hover {
  color: #fff;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: space-between;
  align-items: center;
  color: #94a3b8;
  font-size: 0.85rem;
}

.footer__bottom a {
  color: #94a3b8;
}

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__lead {
    margin-inline: auto;
  }

  .hero__actions,
  .hero__trust {
    justify-content: center;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .nav__toggle {
    display: flex;
  }

  .nav__links {
    position: fixed;
    inset: 68px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    padding: 0.5rem var(--gutter) 1rem;
    box-shadow: var(--shadow-md);
    transform: translateY(-120%);
    transition: transform var(--transition);
  }

  .nav__links.is-open {
    transform: translateY(0);
  }

  .nav__links a {
    padding: 0.85rem 0.5rem;
    border-radius: 0;
    border-bottom: 1px solid var(--color-bg-alt);
  }

  .nav__cta {
    margin: 0.75rem 0 0;
  }

  .toc ul {
    columns: 1;
  }

  .footer__grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}