/* =========================================================================
   Termion — Isıtma ve Soğutma Sistemleri
   Tasarım sistemi: tek dosya, design tokens + base + component katmanları.
   Tüm kararlar DESIGN.md'de.
   ========================================================================= */

/* ---------- Tokens ---------- */
:root {
  /* Surface */
  --bg:            oklch(1.000 0.000 0);
  --surface:       oklch(0.970 0.004 350);
  --surface-hover: oklch(0.945 0.006 350);
  --border:        oklch(0.905 0.008 350);
  --border-strong: oklch(0.820 0.010 350);

  /* Ink */
  --ink:    oklch(0.165 0.018 350);
  --ink-2:  oklch(0.370 0.018 350);
  --muted:  oklch(0.520 0.014 350);

  /* Brand accent */
  --accent:        oklch(0.495 0.215 8);
  --accent-hover:  oklch(0.440 0.220 8);
  --accent-soft:   oklch(0.960 0.025 8);
  --on-accent:     oklch(1.000 0.000 0);

  /* Dark inverted */
  --ink-surface:    oklch(0.130 0.010 350);
  --ink-surface-2:  oklch(0.195 0.012 350);
  --on-ink:         oklch(0.965 0.005 350);
  --on-ink-muted:   oklch(0.700 0.008 350);
  --on-ink-border:  oklch(0.270 0.012 350);

  /* Categorical signals */
  --sig-heat: oklch(0.605 0.180 32);
  --sig-cool: oklch(0.620 0.110 230);

  /* WhatsApp */
  --whatsapp:       oklch(0.640 0.165 148);
  --whatsapp-hover: oklch(0.580 0.165 148);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --space-10: 8rem;

  /* Radius */
  --r-sm: 4px;
  --r-md: 6px;
  --r-lg: 10px;
  --r-pill: 999px;

  /* Type scale */
  --font-sans: "Geist", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --fs-display: clamp(2.5rem, 4vw + 1rem, 4.75rem);
  --fs-h1:      clamp(2rem, 2.5vw + 1rem, 3rem);
  --fs-h2:      clamp(1.5rem, 1.2vw + 1rem, 2rem);
  --fs-h3:      clamp(1.25rem, 0.6vw + 1rem, 1.5rem);
  --fs-body:    1rem;
  --fs-sm:      0.875rem;
  --fs-xs:      0.75rem;

  /* Motion */
  --ease-out: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 140ms;
  --dur-base: 240ms;
  --dur-slow: 420ms;

  /* Elevation */
  --shadow-sm: 0 1px 2px 0 oklch(0.165 0.018 350 / 0.04);
  --shadow-md: 0 4px 16px -4px oklch(0.165 0.018 350 / 0.08), 0 2px 4px -2px oklch(0.165 0.018 350 / 0.04);
  --shadow-lg: 0 12px 32px -8px oklch(0.165 0.018 350 / 0.12);
  --shadow-focus: 0 0 0 3px oklch(0.495 0.215 8 / 0.25);

  /* Z */
  --z-sticky: 50;
  --z-dropdown: 100;
  --z-float: 200;
  --z-modal-bg: 300;
  --z-modal: 310;
  --z-toast: 400;

  /* Container */
  --container: 1280px;
  --pad-x: clamp(1rem, 4vw, 2.5rem);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
body {
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  min-height: 100dvh;
  font-feature-settings: "ss01", "ss02", "cv11";
}
img, svg, picture { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
a { color: inherit; text-decoration: none; }
input, select, textarea { font: inherit; color: inherit; }

/* Selection */
::selection { background: var(--accent); color: var(--on-accent); }

/* Focus visible — accessibility */
:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.015em;
  text-wrap: balance;
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
p { text-wrap: pretty; max-width: 70ch; }

.display {
  font-size: var(--fs-display);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.03em;
  text-wrap: balance;
}
.mono {
  font-family: var(--font-mono);
  font-feature-settings: "ss01", "zero";
}
.eyebrow { /* used SPARINGLY, not as default. Reserved for one place (404 / status). */
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}
.section { padding-block: clamp(4rem, 8vw, 8rem); }
.section-tight { padding-block: clamp(2.5rem, 5vw, 4.5rem); }

.stack { display: flex; flex-direction: column; }
.stack > * + * { margin-top: var(--gap, var(--space-4)); }
.row { display: flex; align-items: center; gap: var(--gap, var(--space-3)); }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: oklch(1 0 0 / 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-base) var(--ease-out), background var(--dur-base) var(--ease-out);
}
.site-header.is-scrolled {
  border-bottom-color: var(--border);
  background: oklch(1 0 0 / 0.95);
}
.site-header__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-4);
  height: 72px;
}
@media (max-width: 879px) {
  .site-header__inner {
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    gap: 10px var(--space-3);
    height: auto;
    padding-block: 12px;
  }
}
.site-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
}
.site-logo__mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: var(--r-sm);
  background: var(--ink);
  color: var(--on-ink);
}
.site-logo__img {
  display: block;
  height: 40px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
}
@media (max-width: 879px) {
  .site-logo__img { height: 34px; max-width: 160px; }
}
.site-footer__brand .site-logo--footer { color: var(--on-ink); }
.site-logo__img--footer {
  height: 48px;
  max-width: 240px;
  filter: invert(1);
}
.site-nav {
  display: none;
  align-items: center;
  gap: var(--space-5);
  font-size: var(--fs-sm);
  color: var(--ink-2);
  height: 100%;
}
.site-nav > a {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding-block: 22px;
  transition: color var(--dur-fast) var(--ease-out);
}
.site-nav > a:hover { color: var(--ink); }
.site-nav > a.is-active { color: var(--ink); }
.site-nav > a.is-active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 18px;
  height: 2px;
  background: var(--accent);
}
.site-header__cta { display: flex; align-items: center; gap: var(--space-3); }
.site-header__cta > .btn--ghost { display: none; }
@media (min-width: 640px) { .site-header__cta > .btn--ghost { display: inline-flex; } }
@media (min-width: 880px) {
  .site-nav { display: flex; }
}
.site-header__menu {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--bg);
  transition: border-color var(--dur-fast) var(--ease-out);
}
.site-header__menu:hover { border-color: var(--border-strong); }
@media (min-width: 880px) {
  .site-header__menu { display: none; }
}

/* ---------- Nav Dropdown (Ürünler) ---------- */
.nav-dropdown {
  position: relative;
  display: none;
}
@media (min-width: 880px) {
  .nav-dropdown { display: inline-block; }
}

.nav-dropdown__trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 22px 0;
  background: none;
  border: none;
  color: var(--ink-2);
  font: inherit;
  font-size: var(--fs-sm);
  cursor: pointer;
  position: relative;
  transition: color var(--dur-fast) var(--ease-out);
}
.nav-dropdown__trigger:hover,
.nav-dropdown__trigger.is-active { color: var(--ink); }
.nav-dropdown__trigger svg { transition: transform var(--dur-fast) var(--ease-out); }
.nav-dropdown[data-open="true"] .nav-dropdown__trigger svg { transform: rotate(180deg); }
.nav-dropdown[data-open="true"] .nav-dropdown__trigger { color: var(--ink); }
.nav-dropdown__trigger.is-active::after {
  content: "";
  position: absolute;
  left: 0; right: 14px;
  bottom: 18px;
  height: 2px;
  background: var(--accent);
}

.nav-dropdown__panel {
  position: absolute;
  top: 100%;
  left: -14px;
  min-width: 280px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  box-shadow: 0 20px 48px -8px oklch(0.165 0.018 350 / 0.18), 0 4px 8px -4px oklch(0.165 0.018 350 / 0.06);
  padding: 6px;
  z-index: var(--z-dropdown);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity var(--dur-fast) var(--ease-out),
              transform var(--dur-fast) var(--ease-out),
              visibility 0s linear var(--dur-fast);
}
.nav-dropdown[data-open="true"] .nav-dropdown__panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition: opacity var(--dur-fast) var(--ease-out),
              transform var(--dur-fast) var(--ease-out);
}

.nav-tree {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
}
.nav-tree__item {
  position: relative;
}
.nav-tree__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--r-sm);
  color: var(--ink);
  font-size: var(--fs-sm);
  font-weight: 500;
  white-space: nowrap;
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}
.nav-tree__link:hover { background: var(--surface); color: var(--accent); }
.nav-tree__icon {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  color: var(--muted);
  flex-shrink: 0;
}
.nav-tree__label { flex: 1; }
.nav-tree__caret { color: var(--muted); transition: color var(--dur-fast) var(--ease-out); }
.nav-tree__item.has-children:hover > .nav-tree__link .nav-tree__caret { color: var(--accent); }

/* Cascade flyout — level 2+ panels open to the right of parent */
.nav-tree__sub {
  list-style: none;
  margin: 0;
  padding: 6px;
  position: absolute;
  top: -7px;
  left: 100%;
  min-width: 240px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  box-shadow: 0 20px 48px -8px oklch(0.165 0.018 350 / 0.18);
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-4px);
  transition: opacity var(--dur-fast) var(--ease-out),
              transform var(--dur-fast) var(--ease-out),
              visibility 0s linear var(--dur-fast);
  z-index: 1;
}
.nav-tree__item.has-children:hover > .nav-tree__sub,
.nav-tree__item.has-children:focus-within > .nav-tree__sub {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
  transition: opacity var(--dur-fast) var(--ease-out),
              transform var(--dur-fast) var(--ease-out);
}

/* Hover bridge — small invisible area between parent and child panel to prevent flicker */
.nav-tree__item.has-children > .nav-tree__sub::before {
  content: "";
  position: absolute;
  top: 0;
  left: -8px;
  width: 8px;
  height: 100%;
}

/* ---------- Mobile accordion (drawer) ---------- */
.mobile-acc { border-bottom: 1px solid var(--border); }
.mobile-acc__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-4) 0;
  font-size: 1.125rem;
  font-weight: 500;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  color: var(--ink);
}
.mobile-acc__caret {
  transition: transform var(--dur-fast) var(--ease-out);
  color: var(--muted);
}
.mobile-acc[data-open="true"] .mobile-acc__caret { transform: rotate(180deg); }
.mobile-acc__body {
  overflow: hidden;
  max-height: 0;
  transition: max-height var(--dur-base) var(--ease-out);
}
.mobile-acc[data-open="true"] .mobile-acc__body { max-height: 80vh; overflow-y: auto; }

.mobile-tree {
  list-style: none;
  margin: 0 0 var(--space-3);
  padding: 0;
  border-left: 2px solid var(--border);
  margin-left: 6px;
}
.mobile-tree__item { border-bottom: none; }
.mobile-tree__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.mobile-tree__link {
  display: block;
  padding: var(--space-3) var(--space-4);
  color: var(--ink-2);
  font-size: 0.95rem;
  font-weight: 500;
  flex: 1;
  border: none;
  text-align: left;
}
.mobile-tree__link:hover { color: var(--accent); }
.mobile-tree__toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  cursor: pointer;
  color: var(--muted);
  margin-right: var(--space-3);
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}
.mobile-tree__toggle[aria-expanded="true"] { background: var(--ink); color: var(--on-ink); border-color: var(--ink); }
.mobile-tree__toggle[aria-expanded="true"] svg { transform: rotate(180deg); }
.mobile-tree__toggle svg { transition: transform var(--dur-fast) var(--ease-out); }
.mobile-tree__sub {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 2px solid var(--border);
  margin-left: var(--space-5);
}

/* Mobile drawer */
.mobile-drawer {
  position: fixed;
  inset: 72px 0 0 0;
  background: var(--bg);
  z-index: var(--z-modal);
  padding: var(--space-6) var(--pad-x);
  transform: translateY(-12px);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-base) var(--ease-out);
  border-top: 1px solid var(--border);
  overflow-y: auto;
  isolation: isolate;
}
.mobile-drawer.is-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.mobile-drawer nav { display: flex; flex-direction: column; gap: var(--space-2); }
.mobile-drawer a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
  font-size: 1.125rem;
  font-weight: 500;
  border-bottom: 1px solid var(--border);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0 var(--space-5);
  min-height: 44px;
  border-radius: var(--r-sm);
  font-weight: 500;
  font-size: var(--fs-sm);
  letter-spacing: -0.005em;
  white-space: nowrap;
  transition: transform var(--dur-fast) var(--ease-out),
              background var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out);
  border: 1px solid transparent;
}
.btn:active { transform: translateY(1px); }

.btn--primary { background: var(--accent); color: var(--on-accent); }
.btn--primary:hover { background: var(--accent-hover); }

.btn--ink { background: var(--ink); color: var(--on-ink); }
.btn--ink:hover { background: oklch(0.080 0.010 350); }

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

.btn--whatsapp { background: var(--whatsapp); color: var(--on-accent); }
.btn--whatsapp:hover { background: var(--whatsapp-hover); }

.btn--lg { min-height: 52px; padding: 0 var(--space-6); font-size: 1rem; }
.btn--sm { min-height: 36px; padding: 0 var(--space-4); font-size: var(--fs-xs); }
.btn--block { width: 100%; }
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

/* ---------- Hero Banner (fullwidth image carousel) ---------- */
.hero-banner {
  position: relative;
  width: 100%;
  background: var(--ink-surface);
  overflow: hidden;
  aspect-ratio: 16 / 9; /* 1920 × 1080 */
}
@media (max-width: 900px) {
  .hero-banner { aspect-ratio: 4 / 3; }
}
@media (max-width: 600px) {
  .hero-banner { aspect-ratio: 3 / 4; }
}
.hero-banner__viewport {
  position: relative;
  width: 100%;
  height: 100%;
}
.hero-banner__slide {
  position: absolute;
  inset: 0;
  display: block;
  opacity: 0;
  pointer-events: none;
  transition: opacity 500ms var(--ease-out);
  text-decoration: none;
}
.hero-banner__slide.is-active {
  opacity: 1;
  pointer-events: auto;
}
.hero-banner__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
a.hero-banner__slide:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: -3px;
}
.hero-banner__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: none;
  background: oklch(1 0 0 / 0.9);
  color: var(--ink);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
  z-index: 2;
  box-shadow: 0 2px 10px oklch(0 0 0 / 0.15);
}
.hero-banner__arrow:hover { background: var(--bg); transform: translateY(-50%) scale(1.05); }
.hero-banner__arrow--prev { left: var(--space-5); }
.hero-banner__arrow--next { right: var(--space-5); }
.hero-banner__arrow svg { width: 20px; height: 20px; }
@media (max-width: 640px) {
  .hero-banner__arrow { width: 36px; height: 36px; }
  .hero-banner__arrow--prev { left: 12px; }
  .hero-banner__arrow--next { right: 12px; }
}
.hero-banner__dots {
  position: absolute;
  bottom: var(--space-5);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 2;
}
.hero-banner__dot {
  width: 32px;
  height: 4px;
  border: none;
  border-radius: 2px;
  background: oklch(1 0 0 / 0.35);
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out), width var(--dur-fast) var(--ease-out);
  padding: 0;
}
.hero-banner__dot:hover { background: oklch(1 0 0 / 0.6); }
.hero-banner__dot.is-active { background: oklch(1 0 0 / 0.95); width: 48px; }

/* ---------- Hero (eski, arka kalanlar) ---------- */
.hero {
  position: relative;
  background: var(--ink-surface);
  color: var(--on-ink);
  overflow: hidden;
  isolation: isolate;
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, oklch(0.270 0.012 350 / 0.4) 1px, transparent 1px),
    linear-gradient(to bottom, oklch(0.270 0.012 350 / 0.4) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  z-index: 1;
  pointer-events: none;
}
.hero__inner {
  padding-block: clamp(5rem, 12vw, 9rem);
  display: grid;
  gap: var(--space-7);
}

/* ---------- Hero Slider ---------- */
.hero-slider {
  position: relative;
  z-index: 2;
}
.hero-slider__viewport {
  position: relative;
  min-height: clamp(420px, 60vh, 580px);
}
.hero-slide {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
  align-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--dur-slow) var(--ease-out-expo),
              transform var(--dur-slow) var(--ease-out-expo),
              visibility 0s linear var(--dur-slow);
  pointer-events: none;
}
.hero-slide.is-active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
  transition: opacity var(--dur-slow) var(--ease-out-expo),
              transform var(--dur-slow) var(--ease-out-expo);
}
@media (min-width: 920px) {
  .hero-slide {
    grid-template-columns: 1.4fr 1fr;
    align-items: center;
    gap: var(--space-8);
  }
}
.hero-slide__content { display: flex; flex-direction: column; gap: var(--space-5); max-width: 60ch; }
.hero-slide__content h1 { color: var(--on-ink); max-width: 18ch; }
.hero-slide__content p { color: var(--on-ink-muted); font-size: 1.125rem; max-width: 56ch; }

/* Slide-specific accent backgrounds — each slide gets its own gradient signature */
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(80% 60% at 80% 0%, oklch(0.495 0.215 8 / 0.22), transparent 65%),
    radial-gradient(60% 80% at 0% 100%, oklch(0.620 0.110 230 / 0.10), transparent 60%);
  z-index: 0;
  transition: opacity var(--dur-slow) var(--ease-out-expo);
  pointer-events: none;
}
.hero[data-active-slide="1"]::after {
  background:
    radial-gradient(70% 80% at 100% 30%, oklch(0.495 0.215 8 / 0.30), transparent 60%),
    radial-gradient(50% 50% at 0% 100%, oklch(0.605 0.18 32 / 0.18), transparent 70%);
}
.hero[data-active-slide="2"]::after {
  background:
    radial-gradient(60% 90% at 50% 100%, oklch(0.620 0.110 230 / 0.28), transparent 60%),
    radial-gradient(40% 60% at 100% 0%, oklch(0.495 0.215 8 / 0.10), transparent 70%);
}
.hero[data-active-slide="3"]::after {
  background:
    radial-gradient(50% 70% at 0% 50%, oklch(0.495 0.215 8 / 0.25), transparent 60%),
    radial-gradient(80% 80% at 100% 100%, oklch(0.42 0.10 145 / 0.12), transparent 70%);
}
.hero[data-active-slide="4"]::after {
  background:
    radial-gradient(70% 70% at 80% 50%, oklch(0.605 0.18 32 / 0.25), transparent 60%),
    radial-gradient(60% 40% at 0% 0%, oklch(0.495 0.215 8 / 0.15), transparent 70%);
}

/* Visual side (right column on desktop) */
.hero-slide__visual {
  display: none;
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  max-width: 460px;
  margin-inline: auto;
  justify-self: end;
  background: linear-gradient(160deg, oklch(0.985 0.004 350), oklch(0.940 0.005 350));
  border: 1px solid var(--on-ink-border);
  border-radius: var(--r-lg);
  overflow: hidden;
  isolation: isolate;
  box-shadow: 0 24px 48px -16px oklch(0 0 0 / 0.5), inset 0 0 0 1px oklch(1 0 0 / 0.05);
}
@media (min-width: 920px) { .hero-slide__visual { display: block; } }
.hero-slide__visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 60% at 70% 30%, oklch(0.495 0.215 8 / 0.06), transparent 60%);
  z-index: 0;
}
.hero-slide__visual-inner {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 1;
}
.hero-slide__visual-inner svg {
  width: 72%;
  height: 72%;
  filter: drop-shadow(0 16px 28px oklch(0.165 0.018 350 / 0.18));
}
.hero-slide__visual-inner img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--r-lg);
}
.hero-slide__visual-meta {
  position: absolute;
  left: var(--space-5);
  right: var(--space-5);
  bottom: var(--space-5);
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.06em;
  color: var(--muted);
  text-transform: uppercase;
}
.hero-slide__visual-meta strong { color: var(--ink); font-weight: 500; }
.hero-slide__visual-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, oklch(0.82 0.01 350 / 0.4) 1px, transparent 1px),
    linear-gradient(to bottom, oklch(0.82 0.01 350 / 0.4) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 85%);
  z-index: 0;
}

/* Controls */
.hero-controls {
  position: relative;
  z-index: 2;
  margin-top: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.hero-dots {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.hero-dot {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.04em;
  color: var(--on-ink-muted);
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease-out);
}
.hero-dot__bar {
  position: relative;
  display: block;
  width: 36px;
  height: 2px;
  background: var(--on-ink-border);
  overflow: hidden;
  border-radius: 1px;
}
.hero-dot__bar::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--on-ink);
  transform: translateX(-101%);
}
.hero-dot.is-active { color: var(--on-ink); }
.hero-dot.is-active .hero-dot__bar::after {
  animation: heroProgress var(--hero-duration, 6s) linear forwards;
}
.hero-dot:not(.is-active):hover { color: var(--on-ink); }
.hero-dot:not(.is-active):hover .hero-dot__bar { background: oklch(0.4 0.012 350); }

.hero-slider.is-paused .hero-dot.is-active .hero-dot__bar::after {
  animation-play-state: paused;
}

@keyframes heroProgress {
  from { transform: translateX(-101%); }
  to { transform: translateX(0); }
}

.hero-arrows {
  display: flex;
  gap: var(--space-2);
}
.hero-arrow {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: var(--r-sm);
  border: 1px solid var(--on-ink-border);
  background: transparent;
  color: var(--on-ink);
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out);
}
.hero-arrow:hover {
  background: oklch(0.27 0.012 350 / 0.5);
  border-color: var(--on-ink);
}
.hero-arrow:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.hero-arrow svg { width: 18px; height: 18px; }

/* Mobile compact controls */
@media (max-width: 640px) {
  .hero-controls { justify-content: center; }
  .hero-arrows { display: none; }
  .hero-dot__bar { width: 24px; }
  .hero-dot span:not(.hero-dot__bar) { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-slide { transition: opacity 0.001ms; transform: none; }
  .hero-dot.is-active .hero-dot__bar::after { animation: none; transform: translateX(0); }
}
.hero__meta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px var(--space-3);
  border: 1px solid var(--on-ink-border);
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--on-ink-muted);
  letter-spacing: 0.02em;
  width: max-content;
}
.hero__meta span { color: var(--on-ink); }
.hero__meta .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: oklch(0.72 0.18 145);
  box-shadow: 0 0 0 4px oklch(0.72 0.18 145 / 0.18);
}
.hero h1 { color: var(--on-ink); max-width: 18ch; }
.hero p { color: var(--on-ink-muted); font-size: 1.125rem; max-width: 56ch; }
.hero__actions { display: flex; gap: var(--space-3); flex-wrap: wrap; }

.hero__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--on-ink-border);
  margin-top: var(--space-4);
}
.hero__stat { display: flex; flex-direction: column; gap: var(--space-1); }
.hero__stat-value {
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--on-ink);
}
.hero__stat-label {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--on-ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ---------- Section heading ---------- */
.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-5);
  margin-bottom: var(--space-7);
  flex-wrap: wrap;
}
.section-heading__title {
  font-size: var(--fs-h1);
  font-weight: 600;
  letter-spacing: -0.025em;
  max-width: 22ch;
}
.section-heading__intro { color: var(--ink-2); max-width: 48ch; }
.section-heading__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  color: var(--ink-2);
  border-bottom: 1px solid var(--border-strong);
  padding-bottom: 2px;
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
.section-heading__link:hover { color: var(--accent); border-color: var(--accent); }

/* ---------- Categories ---------- */
.cat-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
}
@media (min-width: 640px) { .cat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 980px) { .cat-grid { grid-template-columns: repeat(3, 1fr); } }
.cat-card {
  position: relative;
  background: var(--bg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  min-height: 200px;
  transition: background var(--dur-base) var(--ease-out);
  isolation: isolate;
}
.cat-card:hover { background: var(--surface); }
.cat-card__icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: var(--r-sm);
  background: var(--surface);
  color: var(--ink);
  transition: background var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out);
}
.cat-card:hover .cat-card__icon { background: var(--ink); color: var(--on-ink); }
.cat-card[data-sig="heat"] .cat-card__icon svg { color: var(--sig-heat); }
.cat-card[data-sig="cool"] .cat-card__icon svg { color: var(--sig-cool); }
.cat-card:hover .cat-card__icon svg { color: var(--on-ink); }
.cat-card__cover {
  margin: calc(var(--space-6) * -1) calc(var(--space-6) * -1) 0;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--surface);
}
.cat-card__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-base) var(--ease-out);
}
.cat-card:hover .cat-card__cover img { transform: scale(1.03); }
.cat-card__title {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}
.cat-card__desc { color: var(--muted); font-size: var(--fs-sm); }
.cat-card__count {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--muted);
  letter-spacing: 0.04em;
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.cat-card__count svg {
  width: 16px; height: 16px;
  transition: transform var(--dur-base) var(--ease-out);
}
.cat-card:hover .cat-card__count svg { transform: translateX(4px); color: var(--accent); }
.cat-card::after {
  content: "";
  position: absolute;
  inset: 0;
}

/* ---------- Sub-category grid (on category page) ---------- */
.subcat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-4);
}
.subcat-card {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3);
  align-items: start;
  padding: var(--space-5);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  transition: border-color var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
}
.subcat-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.subcat-card__icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  background: var(--surface);
  border-radius: var(--r-sm);
  color: var(--ink);
}
.subcat-card[data-sig="heat"] .subcat-card__icon svg { color: var(--sig-heat); }
.subcat-card[data-sig="cool"] .subcat-card__icon svg { color: var(--sig-cool); }
.subcat-card__body { min-width: 0; }
.subcat-card__title {
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.25;
}
.subcat-card__desc {
  margin-top: 4px;
  color: var(--muted);
  font-size: var(--fs-sm);
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.subcat-card__count {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-2);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--muted);
  letter-spacing: 0.04em;
}
.subcat-card__count svg {
  width: 14px;
  height: 14px;
  transition: transform var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out);
}
.subcat-card:hover .subcat-card__count svg { transform: translateX(3px); color: var(--accent); }

/* ---------- Product grid ---------- */
.prod-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-5);
}

.prod-card {
  display: flex;
  flex-direction: column;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: border-color var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
}
.prod-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.prod-card__media {
  position: relative;
  aspect-ratio: 1;
  background: var(--surface);
  display: grid;
  place-items: center;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.prod-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-out);
}
.prod-card__media svg {
  width: 78%;
  height: 78%;
}
.prod-card:hover .prod-card__media img { transform: scale(1.04); }
.prod-card__badges {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.prod-card__body {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
}
.prod-card__brand {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.prod-card__title {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.35;
  color: var(--ink);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.7em;
}
.prod-card__specs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--ink-2);
}
.prod-card__specs span {
  padding: 3px 8px;
  background: var(--surface);
  border-radius: var(--r-sm);
  letter-spacing: 0.02em;
}
.prod-card__foot {
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}
.prod-card__price {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 600;
  font-feature-settings: "tnum";
  letter-spacing: -0.02em;
  color: var(--ink);
}
.prod-card__price small {
  font-size: 0.6em;
  font-weight: 500;
  color: var(--muted);
  margin-left: 2px;
}
.prod-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: var(--whatsapp);
  color: var(--on-accent);
  border-radius: var(--r-sm);
  font-size: var(--fs-xs);
  font-weight: 500;
  transition: background var(--dur-fast) var(--ease-out);
  white-space: nowrap;
}
.prod-card__cta:hover { background: var(--whatsapp-hover); }
.prod-card__cta svg { width: 14px; height: 14px; }

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--r-sm);
  background: var(--ink);
  color: var(--on-ink);
}
.badge--accent { background: var(--accent); color: var(--on-accent); }
.badge--soft { background: var(--surface); color: var(--ink-2); border: 1px solid var(--border); }
.badge--cool { background: var(--sig-cool); color: var(--on-accent); }
.badge--heat { background: var(--sig-heat); color: var(--on-accent); }

/* ---------- Brand strip ---------- */
.brand-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
}
@media (min-width: 640px) { .brand-strip { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 980px) { .brand-strip { grid-template-columns: repeat(6, 1fr); } }
.brand-strip__item {
  display: grid;
  place-items: center;
  background: var(--bg);
  padding: var(--space-6) var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--ink-2);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 500;
  transition: background var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out);
}
.brand-strip__item:hover { background: var(--surface); color: var(--ink); }

/* ---------- Process / steps ---------- */
.process {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-5);
}
.process__step {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-top: var(--space-5);
  border-top: 2px solid var(--ink);
  position: relative;
}
.process__step-num {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--muted);
  letter-spacing: 0.06em;
}
.process__step-title { font-size: 1.125rem; font-weight: 600; letter-spacing: -0.01em; }
.process__step-desc { color: var(--ink-2); font-size: var(--fs-sm); line-height: 1.6; }

/* ---------- Quote / Why ---------- */
.feature-pair {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 920px) {
  .feature-pair { grid-template-columns: 1.05fr 1fr; gap: var(--space-9); align-items: center; }
}
.feature-pair__visual {
  background: var(--ink-surface);
  color: var(--on-ink);
  border-radius: var(--r-md);
  padding: var(--space-7);
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.feature-pair__visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 60% at 30% 80%, oklch(0.495 0.215 8 / 0.30), transparent 60%),
    linear-gradient(to bottom right, transparent, oklch(0.620 0.110 230 / 0.10));
  z-index: 0;
}
.feature-pair__visual > * { position: relative; z-index: 1; }
.feature-pair__quote {
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -0.015em;
  text-wrap: balance;
}
.feature-pair__cite {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--on-ink-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.feature-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
}
.feature-list li {
  padding: var(--space-5) 0;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
  align-items: start;
}
.feature-list li:last-child { border-bottom: 1px solid var(--border); }
.feature-list svg { width: 22px; height: 22px; color: var(--accent); margin-top: 2px; }
.feature-list h3 { font-size: 1.125rem; margin-bottom: 6px; }
.feature-list p { color: var(--ink-2); font-size: var(--fs-sm); margin: 0; }

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--ink-surface);
  color: var(--on-ink);
  border-radius: var(--r-lg);
  padding: clamp(2.5rem, 5vw, 4rem);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  align-items: center;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 80% at 100% 50%, oklch(0.495 0.215 8 / 0.25), transparent 60%);
  z-index: -1;
}
@media (min-width: 800px) {
  .cta-band { grid-template-columns: 1.4fr auto; }
}
.cta-band h2 { color: var(--on-ink); max-width: 22ch; }
.cta-band p { color: var(--on-ink-muted); margin-top: var(--space-3); }
.cta-band__actions { display: flex; gap: var(--space-3); flex-wrap: wrap; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink-surface);
  color: var(--on-ink);
  padding-block: var(--space-9) var(--space-6);
  margin-top: var(--space-9);
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
  padding-bottom: var(--space-7);
  border-bottom: 1px solid var(--on-ink-border);
}
@media (min-width: 720px) {
  .site-footer__grid { grid-template-columns: 1.4fr repeat(3, 1fr); }
}
.site-footer h4 {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--on-ink-muted);
  font-weight: 500;
  margin-bottom: var(--space-4);
}
.site-footer ul { list-style: none; padding: 0; display: flex; flex-direction: column; gap: var(--space-3); }
.site-footer ul a {
  color: var(--on-ink);
  font-size: var(--fs-sm);
  transition: color var(--dur-fast) var(--ease-out);
}
.site-footer ul a:hover { color: var(--accent); }
.site-footer__brand p {
  color: var(--on-ink-muted);
  font-size: var(--fs-sm);
  max-width: 36ch;
  margin-top: var(--space-3);
}
.site-footer__bottom {
  padding-top: var(--space-5);
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--on-ink-muted);
  letter-spacing: 0.04em;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* ---------- Floating WhatsApp ---------- */
.whatsapp-float {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  z-index: var(--z-float);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--whatsapp);
  color: var(--on-accent);
  display: grid;
  place-items: center;
  box-shadow: 0 8px 24px -4px oklch(0.640 0.165 148 / 0.35);
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.whatsapp-float:hover {
  transform: scale(1.06);
  box-shadow: 0 12px 32px -4px oklch(0.640 0.165 148 / 0.45);
}
.whatsapp-float svg { width: 28px; height: 28px; }
.whatsapp-float::before {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--whatsapp);
  opacity: 0.4;
  animation: pulseRing 2.4s var(--ease-out) infinite;
}
@keyframes pulseRing {
  0% { transform: scale(0.85); opacity: 0.5; }
  100% { transform: scale(1.45); opacity: 0; }
}

/* ---------- Category page specific ---------- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--muted);
  letter-spacing: 0.04em;
  padding-block: var(--space-5);
}
.breadcrumb a { color: var(--ink-2); transition: color var(--dur-fast) var(--ease-out); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb svg { width: 14px; height: 14px; }

.cat-hero {
  padding-block: var(--space-7) var(--space-8);
  border-bottom: 1px solid var(--border);
}
.cat-header {
  padding-block: var(--space-5) var(--space-8);
  border-bottom: 1px solid var(--border);
}
.cat-header--banner {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--on-ink);
  border-bottom-color: transparent;
  padding-block: var(--space-6) var(--space-9);
}
.cat-header--banner .breadcrumb,
.cat-header--banner .breadcrumb a,
.cat-header--banner .cat-hero__title,
.cat-header--banner .cat-hero__intro,
.cat-header--banner .cat-hero__meta-label,
.cat-header--banner .cat-hero__meta-value { color: var(--on-ink); }
.cat-header--banner .breadcrumb a { opacity: 0.85; }
.cat-header--banner .breadcrumb a:hover { color: var(--on-ink); opacity: 1; text-decoration: underline; }
.cat-header--banner .cat-hero__intro { color: oklch(1 0 0 / 0.85); }
.cat-header--banner .cat-hero__meta-label { color: oklch(1 0 0 / 0.7); }
.cat-hero__title {
  font-size: var(--fs-display);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.04;
  margin-bottom: var(--space-4);
  max-width: 18ch;
}
.cat-hero__intro { color: var(--ink-2); font-size: 1.125rem; max-width: 56ch; }
.cat-hero__meta {
  display: flex;
  gap: var(--space-6);
  margin-top: var(--space-6);
  flex-wrap: wrap;
}
.cat-hero__meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.cat-hero__meta-label {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.cat-hero__meta-value {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  font-family: var(--font-mono);
  font-feature-settings: "tnum";
}

.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  padding-block: var(--space-5);
  margin-bottom: var(--space-6);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 72px;
  background: oklch(1 0 0 / 0.95);
  backdrop-filter: blur(8px);
  z-index: 10;
}
.chip-row {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  font-size: var(--fs-sm);
  color: var(--ink-2);
  background: var(--bg);
  transition: all var(--dur-fast) var(--ease-out);
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
  font-family: inherit;
}
a.chip { text-decoration: none; }
.chip:hover { border-color: var(--border-strong); color: var(--ink); }
.chip.is-active { background: var(--ink); color: var(--on-ink); border-color: var(--ink); }
.chip svg { width: 14px; height: 14px; }
.chip__count {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  opacity: 0.7;
}

.sort-select {
  position: relative;
}
.sort-select select {
  appearance: none;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 8px 36px 8px 12px;
  font-size: var(--fs-sm);
  background: var(--bg);
  color: var(--ink);
  cursor: pointer;
}
.sort-select::after {
  content: "";
  position: absolute;
  right: 14px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 1.5px solid var(--ink-2);
  border-bottom: 1.5px solid var(--ink-2);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}

/* ---------- Product detail page ---------- */
.pd-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
  padding-block: var(--space-6) var(--space-8);
}
@media (min-width: 920px) {
  .pd-layout { grid-template-columns: 1.1fr 1fr; gap: var(--space-9); }
}

.pd-gallery {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.pd-gallery__main {
  aspect-ratio: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  display: grid;
  place-items: center;
  overflow: hidden;
}
.pd-gallery__main img { width: 100%; height: 100%; object-fit: cover; }
.pd-gallery__main svg { width: 78%; height: 78%; }
.pd-gallery__thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
}
.pd-gallery__thumb {
  aspect-ratio: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  display: grid;
  place-items: center;
  overflow: hidden;
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease-out);
}
.pd-gallery__thumb:hover { border-color: var(--border-strong); }
.pd-gallery__thumb.is-active { border-color: var(--ink); }
.pd-gallery__thumb img { width: 100%; height: 100%; object-fit: cover; }
.pd-gallery__thumb svg { width: 70%; height: 70%; }

.pd-info { display: flex; flex-direction: column; gap: var(--space-5); }
.pd-info__brand {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  display: flex;
  gap: var(--space-3);
  align-items: center;
}
.pd-info__title {
  font-size: clamp(1.75rem, 2.5vw + 0.5rem, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.15;
  max-width: 20ch;
}
.pd-info__price-row {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  padding: var(--space-5) 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.pd-info__price {
  font-family: var(--font-mono);
  font-size: 2.25rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  font-feature-settings: "tnum";
}
.pd-info__price-old {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  color: var(--muted);
  text-decoration: line-through;
}
.pd-info__price-tax {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-left: auto;
}
.pd-actions { display: flex; flex-direction: column; gap: var(--space-3); }
.pd-actions__row { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.pd-actions__row .btn { flex: 1; min-width: 180px; }

.pd-trust {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-4);
  padding: var(--space-5);
  background: var(--surface);
  border-radius: var(--r-md);
}
.pd-trust__item { display: flex; gap: var(--space-3); align-items: flex-start; }
.pd-trust__item svg { width: 20px; height: 20px; color: var(--accent); flex-shrink: 0; margin-top: 2px; }
.pd-trust__item-title { font-size: var(--fs-sm); font-weight: 600; line-height: 1.3; }
.pd-trust__item-desc { font-size: var(--fs-xs); color: var(--muted); margin-top: 2px; }

/* Spec table */
.spec-table {
  border-collapse: collapse;
  width: 100%;
  font-size: var(--fs-sm);
}
.spec-table tr { border-bottom: 1px solid var(--border); }
.spec-table tr:last-child { border-bottom: none; }
.spec-table td {
  padding: var(--space-4) 0;
  vertical-align: top;
}
.spec-table td:first-child {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  width: 40%;
  padding-right: var(--space-4);
}
.spec-table td:last-child {
  color: var(--ink);
  font-weight: 500;
  font-feature-settings: "tnum";
}

/* Tabs */
.tabs {
  display: flex;
  gap: var(--space-6);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--space-6);
  overflow-x: auto;
}
.tab {
  padding: var(--space-3) 0;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--muted);
  position: relative;
  transition: color var(--dur-fast) var(--ease-out);
  white-space: nowrap;
}
.tab:hover { color: var(--ink); }
.tab.is-active { color: var(--ink); }
.tab.is-active::after {
  content: "";
  position: absolute;
  inset: auto 0 -1px 0;
  height: 2px;
  background: var(--ink);
}
.tab-panel { display: none; }
.tab-panel.is-active { display: block; animation: fadeIn var(--dur-base) var(--ease-out); }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}
@media (min-width: 720px) {
  .contact-grid { grid-template-columns: repeat(3, 1fr); }
}
.contact-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: border-color var(--dur-base) var(--ease-out), background var(--dur-base) var(--ease-out);
}
.contact-card:hover { border-color: var(--border-strong); background: var(--surface); }
.contact-card__icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: var(--r-sm);
  background: var(--ink);
  color: var(--on-ink);
  margin-bottom: var(--space-2);
}
.contact-card__label {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.contact-card__value {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.contact-card__sub {
  color: var(--muted);
  font-size: var(--fs-sm);
}

/* ---------- Page hero (interior pages) ---------- */
.page-hero {
  background: var(--ink-surface);
  color: var(--on-ink);
  padding-block: clamp(4rem, 8vw, 6rem);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(50% 80% at 50% 100%, oklch(0.495 0.215 8 / 0.20), transparent 60%);
  z-index: -1;
}
.page-hero h1 { color: var(--on-ink); max-width: 22ch; }
.page-hero p { color: var(--on-ink-muted); margin-top: var(--space-4); font-size: 1.125rem; max-width: 50ch; }

/* ---------- Reveal motion (subtle) ---------- */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--dur-slow) var(--ease-out-expo), transform var(--dur-slow) var(--ease-out-expo);
}
.reveal.is-in {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .whatsapp-float::before { animation: none; }
}

/* ---------- Utilities ---------- */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}
.divider {
  height: 1px;
  background: var(--border);
  width: 100%;
  border: none;
  margin: 0;
}

/* ---------- Header search ---------- */
.site-search {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  max-width: 560px;
  justify-self: center;
  height: 40px;
  padding: 0 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  transition: border-color var(--dur-fast) var(--ease-out), background var(--dur-base) var(--ease-out);
}
.site-search:focus-within {
  border-color: var(--ink);
  background: var(--bg);
}
.site-search__icon {
  color: var(--muted);
  flex-shrink: 0;
}
.site-search__input {
  flex: 1;
  height: 100%;
  border: 0;
  background: transparent;
  font-size: var(--fs-sm);
  color: var(--ink);
  outline: none;
  padding: 0;
  font-family: inherit;
}
.site-search__input::placeholder { color: var(--muted); }
.site-search__input::-webkit-search-cancel-button { display: none; }
.site-search__clear {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}
.site-search__clear:hover { background: var(--surface-hover); color: var(--ink); }
@media (max-width: 879px) {
  .site-search {
    grid-column: 1 / -1;
    grid-row: 2;
    max-width: none;
    height: 42px;
  }
}

/* ---------- Search suggest dropdown ---------- */
.site-search__suggest {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  max-height: min(70vh, 520px);
  overflow-y: auto;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  box-shadow: 0 20px 48px -8px oklch(0.165 0.018 350 / 0.18),
              0 4px 8px -4px oklch(0.165 0.018 350 / 0.06);
  z-index: var(--z-dropdown);
  padding: 6px;
}
.site-search__suggest[hidden] { display: none; }
.search-suggest__hint {
  padding: 10px 12px;
  font-size: var(--fs-xs);
  color: var(--muted);
}
.search-suggest__item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 10px;
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out);
}
.search-suggest__item:hover,
.search-suggest__item.is-active {
  background: var(--surface);
}
.search-suggest__thumb {
  width: 44px;
  height: 44px;
  border-radius: var(--r-sm);
  background: var(--surface);
  overflow: hidden;
  flex-shrink: 0;
  display: grid;
  place-items: center;
}
.search-suggest__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.search-suggest__body {
  flex: 1;
  min-width: 0;
}
.search-suggest__title {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.search-suggest__meta {
  display: flex;
  gap: 8px;
  font-size: var(--fs-xs);
  color: var(--muted);
  margin-top: 2px;
}
.search-suggest__meta > * { white-space: nowrap; }
.search-suggest__price {
  font-family: 'Geist Mono', ui-monospace, monospace;
  font-size: var(--fs-xs);
  color: var(--ink);
  flex-shrink: 0;
  margin-left: 8px;
}
.search-suggest__footer {
  margin-top: 4px;
  padding: 10px 12px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--fs-xs);
  color: var(--muted);
}
.search-suggest__see-all {
  font-weight: 500;
  color: var(--accent);
}
.search-suggest__empty {
  padding: 18px 12px;
  text-align: center;
  font-size: var(--fs-sm);
  color: var(--muted);
}

/* ---------- Search page ---------- */
.search-page__form {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: var(--space-4);
  max-width: 640px;
  padding: 0 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  height: 48px;
}
.search-page__form:focus-within { border-color: var(--ink); }
.search-page__icon { color: var(--muted); flex-shrink: 0; }
.search-page__form input[type="search"] {
  flex: 1;
  height: 100%;
  border: 0;
  background: transparent;
  font-size: var(--fs-base);
  outline: none;
  font-family: inherit;
}
.empty-state {
  padding: var(--space-8) var(--space-4);
  text-align: center;
  border: 1px dashed var(--border);
  border-radius: var(--r-md);
}

/* ---------- Category bar (secondary nav) ---------- */
.cat-bar {
  display: none;
  border-top: 1px solid var(--border);
}
@media (min-width: 880px) {
  .cat-bar { display: block; }
}
.cat-bar__inner {
  display: flex;
  align-items: center;
}
.cat-bar__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: stretch;
  gap: 0;
  width: 100%;
  overflow-x: auto;
  scrollbar-width: none;
}
.cat-bar__list::-webkit-scrollbar { display: none; }
.cat-bar__item { position: relative; flex-shrink: 0; }
.cat-bar__link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 44px;
  padding: 0 12px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--ink-2);
  white-space: nowrap;
  transition: color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
  border-radius: var(--r-sm);
}
.cat-bar__link:hover,
.cat-bar__item[data-open="true"] > .cat-bar__link {
  color: var(--ink);
  background: var(--surface);
}
.cat-bar__link svg {
  transition: transform var(--dur-fast) var(--ease-out);
  color: var(--muted);
}
.cat-bar__item[data-open="true"] .cat-bar__link svg { transform: rotate(180deg); }

/* Mega menu panel — anchored to cat-bar, full container width */
.cat-bar { position: relative; }
.cat-bar__item.has-mega { position: static; }
.cat-bar__mega {
  position: absolute;
  top: 100%;
  left: var(--space-5);
  right: var(--space-5);
  margin-top: 8px;
  max-width: 1180px;
  margin-inline: auto;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  box-shadow: 0 24px 56px -12px oklch(0.165 0.018 350 / 0.22),
              0 4px 12px -4px oklch(0.165 0.018 350 / 0.08);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity var(--dur-fast) var(--ease-out),
              transform var(--dur-fast) var(--ease-out),
              visibility 0s linear var(--dur-fast);
  z-index: var(--z-dropdown);
}
.cat-bar__item:hover > .cat-bar__mega,
.cat-bar__item[data-open="true"] > .cat-bar__mega {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition: opacity var(--dur-fast) var(--ease-out),
              transform var(--dur-fast) var(--ease-out);
}
/* Hover bridge to prevent flicker between link and panel */
.cat-bar__mega::before {
  content: "";
  position: absolute;
  top: -10px;
  left: 0;
  right: 0;
  height: 10px;
}
.cat-bar__mega-inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-4) var(--space-6);
  padding: var(--space-5) var(--space-5) var(--space-4);
}
.cat-bar__mega-col {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.cat-bar__mega-head {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.01em;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 4px;
  transition: color var(--dur-fast) var(--ease-out);
}
.cat-bar__mega-head:hover { color: var(--accent); }
.cat-bar__mega-sub {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.cat-bar__mega-sub a {
  display: block;
  padding: 5px 0;
  font-size: var(--fs-sm);
  color: var(--ink-2);
  transition: color var(--dur-fast) var(--ease-out);
}
.cat-bar__mega-sub a:hover { color: var(--accent); }
.cat-bar__mega-cta {
  grid-column: 1 / -1;
  border-top: 1px solid var(--border);
  padding: 12px var(--space-5);
  background: var(--surface);
  border-bottom-left-radius: var(--r-md);
  border-bottom-right-radius: var(--r-md);
}
.cat-bar__mega-all {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--accent);
  transition: gap var(--dur-fast) var(--ease-out);
}
.cat-bar__mega-all:hover { gap: 8px; }