/* ============================================================
   GenStorePOS – Homepage Stylesheet
   ============================================================ */

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-primary:    #2c3e50;
  --color-primary-light: #3d546b;
  --color-accent:     #3498db;
  --color-accent-dark:#2478b5;
  --color-green:      #27ae60;
  --color-orange:     #e67e22;
  --color-purple:     #8e44ad;
  --color-teal:       #16a085;
  --color-pink:       #e91e8c;
  --color-bg:         #f8f9fb;
  --color-bg-alt:     #f0f4f8;
  --color-surface:    #ffffff;
  --color-border:     #e2e8f0;
  --color-text:       #1a202c;
  --color-text-muted: #64748b;

  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.07), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,.10), 0 2px 6px rgba(0,0,0,.06);
  --shadow-lg: 0 10px 40px rgba(0,0,0,.12), 0 4px 12px rgba(0,0,0,.08);
  --transition: .2s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* ---------- Utility ---------- */
.container {
  width: 100%;
  max-width: 1160px;
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.section { padding-block: 5rem; }
.section--alt { background: var(--color-bg-alt); }

.text-accent { color: var(--color-accent); }

.badge {
  display: inline-block;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: rgba(52,152,219,.1);
  padding: .25rem .75rem;
  border-radius: 100px;
  margin-bottom: 1rem;
}

.section__header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: 3.5rem;
}

.section__title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
  margin-bottom: .75rem;
}

.section__subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: .95rem;
  border-radius: var(--radius-md);
  padding: .65rem 1.4rem;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
  text-decoration: none;
}

.btn--lg { padding: .8rem 1.8rem; font-size: 1rem; }

.btn--primary {
  background: var(--color-accent);
  color: #fff;
}
.btn--primary:hover { background: var(--color-accent-dark); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(52,152,219,.35); }

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

.btn--white {
  background: #fff;
  color: var(--color-primary);
}
.btn--white:hover { background: #f0f4f8; transform: translateY(-1px); }

.btn--outline-white {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.5);
}
.btn--outline-white:hover { background: rgba(255,255,255,.1); border-color: #fff; }

/* ---------- Header & Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}

.site-header.scrolled { box-shadow: var(--shadow-sm); }

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
  height: 64px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-primary);
  flex-shrink: 0;
}

.nav__logo-icon { width: 32px; height: 32px; }

.nav__menu {
  display: flex;
  align-items: center;
  gap: .25rem;
  margin-left: auto;
}

.nav__link {
  font-size: .9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  padding: .4rem .75rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

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

.nav__link--cta {
  background: var(--color-accent);
  color: #fff;
  font-weight: 600;
}
.nav__link--cta:hover { background: var(--color-accent-dark); color: #fff; }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .5rem;
  margin-left: auto;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: 5.5rem 4rem;
  background: linear-gradient(160deg, #f0f6ff 0%, #fafbfc 60%, #f8f9fb 100%);
}

.hero__bg { position: absolute; inset: 0; pointer-events: none; }

.hero__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .35;
}

.hero__blob--1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #3498db55, transparent 70%);
  top: -200px; right: -100px;
}

.hero__blob--2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #27ae6035, transparent 70%);
  bottom: -200px; left: -100px;
}

.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero__content { max-width: 540px; }

.hero__title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.hero__subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: 2rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: 2.5rem;
}

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

.hero__stat {
  font-size: .88rem;
  color: var(--color-text-muted);
}

.hero__stat strong {
  display: block;
  font-size: .95rem;
  color: var(--color-primary);
}

.hero__divider {
  width: 1px;
  height: 32px;
  background: var(--color-border);
}

/* ---------- Hero Mockup ---------- */
.hero__visual {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 1rem;
}

.mockup { background: var(--color-surface); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); overflow: hidden; }

.mockup--desktop {
  width: 100%;
  max-width: 400px;
  border: 2px solid var(--color-border);
}

.mockup__bar {
  height: 28px;
  background: #f1f3f5;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 5px;
  padding-inline: 10px;
}

.mockup__bar span {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: #dde2e8;
}

.mockup__bar span:nth-child(1) { background: #ff6057; }
.mockup__bar span:nth-child(2) { background: #febc2e; }
.mockup__bar span:nth-child(3) { background: #28c840; }

.mockup__screen { padding: 10px; }

.mockup__ui {
  display: flex;
  gap: 8px;
  height: 220px;
}

.mockup__sidebar {
  width: 38px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 4px;
}

.mockup__menu-item {
  height: 28px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-alt);
}

.mockup__menu-item--active { background: var(--color-accent); opacity: .7; }

.mockup__content { flex: 1; display: flex; flex-direction: column; gap: 8px; }

.mockup__stat-row { display: flex; gap: 6px; }

.mockup__stat-card {
  flex: 1;
  height: 48px;
  border-radius: var(--radius-sm);
  opacity: .7;
}

.mockup__stat-card--blue  { background: linear-gradient(135deg, #3498db, #2478b5); }
.mockup__stat-card--green { background: linear-gradient(135deg, #27ae60, #1e8449); }
.mockup__stat-card--orange{ background: linear-gradient(135deg, #e67e22, #ca6f1e); }

.mockup__chart {
  height: 80px;
  border-radius: var(--radius-sm);
  background: linear-gradient(to top right, #f0f6ff, #e8f4fd);
  border: 1px solid var(--color-border);
}

.mockup__table-row {
  height: 18px;
  border-radius: 4px;
  background: var(--color-bg-alt);
}

/* Mobile mockup */
.mockup--mobile {
  position: absolute;
  right: -20px;
  bottom: -20px;
  width: 100px;
  border: 2px solid var(--color-border);
  border-radius: 18px;
  padding: 8px;
  background: var(--color-surface);
}

.mockup__notch {
  width: 40px;
  height: 8px;
  background: var(--color-border);
  border-radius: 4px;
  margin: 0 auto 6px;
}

.mockup__screen--phone { background: var(--color-bg-alt); border-radius: 10px; padding: 6px; }

.mockup__phone-ui { display: flex; flex-direction: column; gap: 4px; }

.mockup__phone-header { height: 14px; border-radius: 4px; background: var(--color-accent); opacity: .7; }

.mockup__phone-product { height: 20px; border-radius: 4px; background: var(--color-surface); border: 1px solid var(--color-border); }

.mockup__phone-total { height: 16px; border-radius: 4px; background: var(--color-green); opacity: .6; margin-top: 2px; }

.mockup__phone-btn { height: 18px; border-radius: 4px; background: var(--color-accent); opacity: .8; }

/* ---------- Trusted ---------- */
.trusted {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding-block: 1.5rem;
  text-align: center;
}

.trusted__label {
  font-size: .85rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: .07em;
  margin-bottom: 1rem;
}

.trusted__logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .6rem;
}

.trusted__logo-pill {
  font-size: .85rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  padding: .35rem 1rem;
  border-radius: 100px;
}

/* ---------- Features Grid ---------- */
.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition);
}

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

.feature-card__icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.feature-card__icon svg { width: 26px; height: 26px; }

.feature-card__icon--blue   { background: rgba(52,152,219,.12); color: var(--color-accent); }
.feature-card__icon--green  { background: rgba(39,174,96,.12);  color: var(--color-green); }
.feature-card__icon--purple { background: rgba(142,68,173,.12); color: var(--color-purple); }
.feature-card__icon--orange { background: rgba(230,126,34,.12); color: var(--color-orange); }
.feature-card__icon--teal   { background: rgba(22,160,133,.12); color: var(--color-teal); }
.feature-card__icon--pink   { background: rgba(233,30,140,.12); color: var(--color-pink); }

.feature-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: .5rem;
}

.feature-card__desc { font-size: .95rem; color: var(--color-text-muted); line-height: 1.65; }

/* ---------- How It Works ---------- */
.steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 260px;
  flex: 1 1 200px;
}

.step__number {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-size: 1.4rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  box-shadow: 0 6px 20px rgba(52,152,219,.3);
  flex-shrink: 0;
}

.step__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: .5rem;
}

.step__desc { font-size: .93rem; color: var(--color-text-muted); line-height: 1.6; }

.step__connector {
  flex: 0 0 60px;
  height: 2px;
  background: linear-gradient(to right, var(--color-accent), var(--color-accent-dark));
  margin-top: 30px;
  opacity: .3;
}

/* ---------- Reports ---------- */
.reports__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.reports__desc {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: 1.75rem;
}

.reports__list { display: flex; flex-direction: column; gap: .75rem; }

.reports__item {
  display: flex;
  align-items: center;
  gap: .65rem;
  font-size: .95rem;
  color: var(--color-text);
}

.reports__check {
  width: 20px; height: 20px;
  color: var(--color-green);
  flex-shrink: 0;
}

/* Chart Mockup */
.chart-mockup {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
}

.chart-mockup__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.chart-mockup__title-bar {
  display: block;
  width: 120px;
  height: 16px;
  border-radius: 4px;
  background: var(--color-bg-alt);
}

.chart-mockup__badge {
  font-size: .72rem;
  font-weight: 700;
  background: rgba(39,174,96,.15);
  color: var(--color-green);
  padding: .2rem .6rem;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: .05em;
}

.chart-mockup__bars {
  display: flex;
  align-items: flex-end;
  gap: .5rem;
  height: 140px;
  margin-bottom: 1.25rem;
}

.chart-bar {
  flex: 1;
  background: linear-gradient(to top, rgba(52,152,219,.25), rgba(52,152,219,.08));
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  height: var(--h);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: .35rem;
  font-size: .65rem;
  color: var(--color-text-muted);
  transition: background var(--transition);
  position: relative;
}

.chart-bar--high { background: linear-gradient(to top, rgba(52,152,219,.8), rgba(52,152,219,.35)); }

.chart-mockup__stats {
  display: flex;
  gap: 1.5rem;
  border-top: 1px solid var(--color-border);
  padding-top: 1rem;
}

.chart-stat { display: flex; flex-direction: column; gap: .2rem; }

.chart-stat__label { font-size: .75rem; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: .05em; }

.chart-stat__value { font-size: 1.25rem; font-weight: 800; color: var(--color-primary); }

.chart-stat__change { font-size: .78rem; font-weight: 600; color: var(--color-green); }

/* ---------- QR Grid ---------- */
.qr-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.qr-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  transition: var(--transition);
}

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

.qr-card__icon {
  width: 60px; height: 60px;
  border-radius: var(--radius-md);
  background: rgba(52,152,219,.1);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
}

.qr-card__icon svg { width: 28px; height: 28px; }

.qr-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: .5rem;
}

.qr-card p { font-size: .92rem; color: var(--color-text-muted); line-height: 1.6; }

/* ---------- Inventory ---------- */
.inventory__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.inventory__desc {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: 1.75rem;
}

.inv-mockup {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  font-size: .85rem;
}

.inv-mockup__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .85rem 1.25rem;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
}

.inv-mockup__badge {
  font-size: .72rem;
  font-weight: 600;
  padding: .2rem .6rem;
  border-radius: 100px;
}

.inv-mockup__badge--alert { background: rgba(255,80,80,.3); color: #ffaaaa; }

.inv-mockup__row {
  display: grid;
  grid-template-columns: 2fr 1fr .8fr .8fr;
  gap: .5rem;
  padding: .6rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
  align-items: center;
}

.inv-mockup__row--header {
  background: var(--color-bg-alt);
  font-size: .75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: .05em;
}

.inv-name, .inv-sku {
  height: 10px;
  border-radius: 4px;
  background: var(--color-bg-alt);
}

.inv-qty {
  font-weight: 700;
  font-size: .9rem;
}

.inv-qty--ok  { color: var(--color-green); }
.inv-qty--low { color: var(--color-orange); }
.inv-qty--out { color: #e74c3c; }

.inv-badge {
  font-size: .72rem;
  font-weight: 700;
  padding: .15rem .5rem;
  border-radius: 100px;
}

.inv-badge--ok  { background: rgba(39,174,96,.12); color: var(--color-green); }
.inv-badge--low { background: rgba(230,126,34,.12); color: var(--color-orange); }
.inv-badge--out { background: rgba(231,76,60,.12);  color: #e74c3c; }

/* ---------- FAQ ---------- */
.faq__inner { max-width: 720px; }

.faq__list { display: flex; flex-direction: column; gap: .75rem; }

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

.faq__item[open] { box-shadow: var(--shadow-md); }

.faq__question {
  list-style: none;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  padding: 1.1rem 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  user-select: none;
}

.faq__question::-webkit-details-marker { display: none; }

.faq__question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--color-accent);
  flex-shrink: 0;
  transition: transform var(--transition);
}

details[open] .faq__question::after { transform: rotate(45deg); }

.faq__answer { padding: 0 1.5rem 1.1rem; }

.faq__answer p {
  font-size: .95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  border-top: 1px solid var(--color-border);
  padding-top: .85rem;
}

/* ---------- CTA ---------- */
.cta {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  padding-block: 6rem;
  text-align: center;
}

.cta__bg { position: absolute; inset: 0; pointer-events: none; }

.cta__blob {
  position: absolute;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(52,152,219,.2), transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
}

.cta__inner { position: relative; }

.cta__title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.cta__subtitle {
  font-size: 1.1rem;
  color: rgba(255,255,255,.75);
  max-width: 540px;
  margin: 0 auto 2.25rem;
  line-height: 1.7;
}

.cta__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .75rem;
  margin-bottom: 1.25rem;
}

.cta__note {
  font-size: .85rem;
  color: rgba(255,255,255,.5);
  letter-spacing: .03em;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--color-primary);
  color: rgba(255,255,255,.75);
}

.footer__inner {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 3rem;
  padding-block: 4rem;
}

.footer .nav__logo-text { color: #fff; }

.footer__tagline {
  font-size: .9rem;
  margin-top: .75rem;
  color: rgba(255,255,255,.55);
  line-height: 1.6;
}

.footer__socials {
  display: flex;
  gap: .75rem;
  margin-top: 1.25rem;
}

.footer__social-link {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.7);
  transition: background var(--transition), color var(--transition);
}

.footer__social-link svg { width: 18px; height: 18px; }

.footer__social-link:hover { background: rgba(255,255,255,.2); color: #fff; }

.footer__nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer__nav-title {
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: rgba(255,255,255,.9);
  margin-bottom: 1rem;
}

.footer__nav ul { display: flex; flex-direction: column; gap: .5rem; }

.footer__nav a {
  font-size: .9rem;
  color: rgba(255,255,255,.55);
  transition: color var(--transition);
}

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

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-block: 1.5rem;
  font-size: .85rem;
  color: rgba(255,255,255,.4);
  text-align: center;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero__inner     { grid-template-columns: 1fr; }
  .hero__visual    { justify-content: flex-start; margin-top: 2.5rem; }
  .mockup--mobile  { right: 0; bottom: 0; }
  .reports__inner  { grid-template-columns: 1fr; }
  .inventory__inner{ grid-template-columns: 1fr; }
  .inventory__visual { order: -1; }
  .footer__inner   { grid-template-columns: 1fr; }
  .footer__nav     { grid-template-columns: repeat(2, 1fr); }
  .step__connector { display: none; }
  .steps           { flex-direction: column; align-items: center; }
}

@media (max-width: 640px) {
  .section { padding-block: 3.5rem; }
  .hero    { padding-block: 3.5rem 2.5rem; }

  .nav__menu {
    display: none;
    position: fixed;
    inset: 64px 0 0;
    background: var(--color-surface);
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem;
    gap: .25rem;
    border-top: 1px solid var(--color-border);
    overflow-y: auto;
  }

  .nav__menu.is-open { display: flex; }
  .nav__link { width: 100%; padding: .65rem 1rem; font-size: 1rem; }
  .nav__toggle { display: flex; }

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

  .features__grid { grid-template-columns: 1fr; }
  .qr-grid        { grid-template-columns: 1fr; }
  .hero__actions  { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .cta__actions   { flex-direction: column; align-items: center; }
  .cta__actions .btn { width: 100%; max-width: 320px; justify-content: center; }
}

/* ---------- Animations ---------- */
@media (prefers-reduced-motion: no-preference) {
  .feature-card,
  .qr-card,
  .step,
  .faq__item {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .5s ease, transform .5s ease, box-shadow .2s ease, border-color .2s ease;
  }

  .feature-card.visible,
  .qr-card.visible,
  .step.visible,
  .faq__item.visible {
    opacity: 1;
    transform: translateY(0);
  }
}