/* ─── 1. CSS VARIABLES ───────────────────────────────────────── */
:root {
  /* Brand Colours */
  --clr-primary:        #0A3D6B;
  --clr-primary-light:  #1A5FA8;
  --clr-primary-dark:   #062844;
  --clr-accent:         #00B4D8;
  --clr-accent-light:   #90E0EF;
  --clr-accent-dark:    #0096C7;

  /* Backgrounds */
  --clr-bg:             #FFFFFF;
  --clr-bg-subtle:      #F0F6FF;
  --clr-bg-soft:        #F7FAFD;

  /* Text */
  --clr-text:           #0D1B2A;
  --clr-text-muted:     #4E657E;
  --clr-text-light:     #8BA4BF;

  /* Borders */
  --clr-border:         #D8E8F5;
  --clr-border-light:   #EBF3FB;

  /* States */
  --clr-success:        #00875A;
  --clr-success-light:  #E8F8F0;
  --clr-error:          #C0392B;

  /* WhatsApp */
  --clr-wa:             #25D366;
  --clr-wa-dark:        #128C7E;
  --clr-wa-light:       #DCF8C6;

  /* White */
  --clr-white:          #FFFFFF;

  /* Typography */
  --font-display:  'Palatino Linotype', Palatino, 'Book Antiqua', Georgia, serif;
  --font-body:     -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --font-mono:     'Courier New', Courier, monospace;

  /* Spacing */
  --sp-1:  0.25rem;  --sp-2:  0.5rem;   --sp-3:  0.75rem;
  --sp-4:  1rem;     --sp-5:  1.25rem;  --sp-6:  1.5rem;
  --sp-8:  2rem;     --sp-10: 2.5rem;   --sp-12: 3rem;
  --sp-16: 4rem;     --sp-20: 5rem;     --sp-24: 6rem;

  /* Radii */
  --r-sm:   6px;  --r-md:  10px;
  --r-lg:   16px; --r-xl:  24px;
  --r-full: 9999px;

  /* Shadows */
  --sh-xs: 0 1px 3px rgba(10,61,107,.08);
  --sh-sm: 0 2px 8px rgba(10,61,107,.10);
  --sh-md: 0 4px 20px rgba(10,61,107,.12);
  --sh-lg: 0 8px 40px rgba(10,61,107,.16);
  --sh-xl: 0 16px 64px rgba(10,61,107,.20);

  /* Transitions */
  --t-fast: 150ms ease;
  --t-base: 250ms ease;
  --t-slow: 400ms ease;

  /* Layout */
  --container-max: 1180px;
  --container-pad: 1.5rem;
  --navbar-h:      72px;
}

/* ─── 2. RESET ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

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

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }
address { font-style: normal; }

.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;
}

/* ─── 3. LAYOUT ──────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section-header {
  text-align: center;
  margin-bottom: var(--sp-12);
}

.section-tag {
  display: inline-block;
  font-size: .75rem; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--clr-accent-dark);
  background: rgba(0,180,216,.10);
  border: 1px solid rgba(0,180,216,.25);
  padding: var(--sp-1) var(--sp-4);
  border-radius: var(--r-full);
  margin-bottom: var(--sp-4);
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700; color: var(--clr-primary); line-height: 1.25;
  margin-bottom: var(--sp-4);
}

.section-desc {
  font-size: 1.0625rem;
  color: var(--clr-text-muted);
  max-width: 560px; margin-inline: auto;
}

/* ─── 4. BUTTONS ─────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  padding: .65rem 1.5rem;
  border-radius: var(--r-md);
  font-size: .9375rem; font-weight: 600; line-height: 1;
  transition: transform var(--t-fast), box-shadow var(--t-fast),
              background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
  white-space: nowrap; cursor: pointer;
  border: 2px solid transparent;
}
.btn:active { transform: scale(.97); }

.btn-primary {
  background: var(--clr-primary); color: var(--clr-white);
  border-color: var(--clr-primary);
}
.btn-primary:hover {
  background: var(--clr-primary-light);
  border-color: var(--clr-primary-light);
  box-shadow: 0 4px 16px rgba(10,61,107,.30);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent; color: var(--clr-primary);
  border-color: var(--clr-primary);
}
.btn-outline:hover {
  background: var(--clr-primary); color: var(--clr-white);
  transform: translateY(-1px);
}

.btn-ghost {
  background: rgba(255,255,255,.12); color: var(--clr-white);
  border-color: rgba(255,255,255,.35); backdrop-filter: blur(4px);
}
.btn-ghost:hover {
  background: rgba(255,255,255,.22);
  border-color: rgba(255,255,255,.6); transform: translateY(-1px);
}

.btn-ghost-white {
  background: transparent; color: var(--clr-white);
  border-color: rgba(255,255,255,.5);
}
.btn-ghost-white:hover {
  background: rgba(255,255,255,.15);
  border-color: var(--clr-white); transform: translateY(-1px);
}

/* WhatsApp button */
.btn-whatsapp {
  background: var(--clr-wa); color: var(--clr-white);
  border-color: var(--clr-wa);
}
.btn-whatsapp:hover {
  background: var(--clr-wa-dark);
  border-color: var(--clr-wa-dark);
  box-shadow: 0 4px 16px rgba(37,211,102,.35);
  transform: translateY(-1px);
}

.btn-lg { padding: .875rem 2rem; font-size: 1rem; }
.btn-sm { padding: .45rem 1rem; font-size: .8125rem; }

.pill {
  display: inline-block;
  padding: var(--sp-1) var(--sp-4); border-radius: var(--r-full);
  font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  background: rgba(0,180,216,.12); color: var(--clr-accent-dark);
  border: 1px solid rgba(0,180,216,.30);
}

.link-btn {
  background: none; border: none; cursor: pointer;
  color: var(--clr-primary); text-decoration: underline;
  font: inherit; padding: 0;
}

/* ─── 5. NAVBAR ──────────────────────────────────────────────── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--navbar-h);
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--clr-border-light);
  z-index: 1000;
  transition: box-shadow var(--t-base), background var(--t-base);
}
.navbar.scrolled {
  box-shadow: var(--sh-md);
  background: rgba(255,255,255,.99);
}

/* ── Desktop nav layout: logo hard-left, right group hard-right ── */
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between; /* logo ↔ right-group */
  height: 100%;
  gap: var(--sp-6);
}

/* Logo — always left */
.nav-logo {
  display: flex; align-items: center;
  gap: var(--sp-3); flex-shrink: 0;
}
.nav-logo-img {
  height: 52px; width: auto;
  object-fit: contain;
}
.nav-logo-img--footer { height: 56px; }

.nav-logo-fallback {
  display: flex; align-items: center; gap: var(--sp-3);
}
.logo-fallback-text {
  font-size: 1.0625rem; color: var(--clr-primary);
  letter-spacing: -.01em; line-height: 1.2;
}
.logo-fallback-text strong { color: var(--clr-accent-dark); }

/* Right-side group: nav links + CTA — pushed to the right */
.nav-right {
  display: flex; align-items: center; gap: var(--sp-4);
  margin-left: auto; /* belt-and-braces push to right */
}

.nav-links {
  display: flex; align-items: center; gap: var(--sp-1);
}

.nav-link {
  display: block; padding: var(--sp-2) var(--sp-3);
  font-size: .9375rem; font-weight: 500; color: var(--clr-text-muted);
  border-radius: var(--r-sm);
  transition: color var(--t-fast), background var(--t-fast);
  white-space: nowrap;
}
.nav-link:hover, .nav-link.active {
  color: var(--clr-primary); background: var(--clr-bg-subtle);
}

.nav-cta { flex-shrink: 0; }

/* Hamburger — hidden on desktop */
.hamburger {
  display: none; flex-direction: column;
  justify-content: center; gap: 5px;
  width: 40px; height: 40px; padding: var(--sp-1);
  border-radius: var(--r-sm); flex-shrink: 0;
  transition: background var(--t-fast);
}
.hamburger:hover { background: var(--clr-bg-subtle); }
.hamburger span {
  display: block; height: 2px; background: var(--clr-primary);
  border-radius: 2px;
  transition: transform var(--t-base), opacity var(--t-base);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Mobile nav drawer — hidden until hamburger toggled ────────── */
.mobile-nav-drawer {
  display: none; /* JS removes hidden attr; CSS controls layout */
  position: fixed;
  top: var(--navbar-h); left: 0; right: 0;
  background: var(--clr-white);
  border-bottom: 2px solid var(--clr-border);
  box-shadow: 0 8px 32px rgba(10,61,107,.14);
  z-index: 999;
  /* Slide-up when closed */
  transform: translateY(-110%);
  transition: transform var(--t-base);
}
.mobile-nav-drawer[hidden] { display: none !important; }
.mobile-nav-drawer.open    {
  display: block;
  transform: translateY(0);
}
.mobile-nav-drawer .nav-links {
  /* Override desktop flex-row — stack vertically inside drawer */
  display: flex !important;
  flex-direction: column;
  gap: 0;
  padding: var(--sp-3) var(--sp-4) var(--sp-5);
}
.mobile-nav-drawer .nav-link {
  display: block;
  padding: var(--sp-3) var(--sp-4);
  font-size: 1rem; font-weight: 500;
  color: var(--clr-text);
  border-bottom: 1px solid var(--clr-border-light);
  border-radius: 0;
}
.mobile-nav-drawer .nav-link:last-of-type { border-bottom: none; }
.mobile-nav-drawer .nav-link:hover,
.mobile-nav-drawer .nav-link.active {
  background: var(--clr-bg-subtle);
  color: var(--clr-primary);
}

/* ─── 6. SPA VIEW SWITCHING ──────────────────────────────────── */
.view-hidden { display: none !important; }

#viewHome, #viewCategory {
  animation: viewFadeIn .35s ease forwards;
}

@keyframes viewFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── 7. HERO ────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; align-items: center;
  padding-top: var(--navbar-h);
  overflow: hidden;
}

.hero-bg {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, #EBF3FF 0%, #F7FAFD 50%, #E4F4FA 100%);
  z-index: 0;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(10,61,107,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10,61,107,.04) 1px, transparent 1px);
  background-size: 40px 40px;
}
.hero-blob {
  position: absolute; border-radius: 50%;
  filter: blur(80px); opacity: .35;
}
.hero-blob--1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--clr-accent-light), transparent);
  top: -100px; right: -100px;
  animation: blobFloat 8s ease-in-out infinite;
}
.hero-blob--2 {
  width: 380px; height: 380px;
  background: radial-gradient(circle, #c7deff, transparent);
  bottom: -60px; left: -60px;
  animation: blobFloat 10s ease-in-out infinite reverse;
}
@keyframes blobFloat {
  0%, 100% { transform: translate(0,0) scale(1); }
  50%       { transform: translate(20px,-20px) scale(1.05); }
}

.hero-inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--sp-16); align-items: center;
  padding-block: var(--sp-24);
}

.hero-text { max-width: 580px; }

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.125rem, 4vw, 3.25rem);
  font-weight: 700; line-height: 1.18; color: var(--clr-primary);
  margin-top: var(--sp-4); margin-bottom: var(--sp-5);
}
.hero-accent {
  background: linear-gradient(135deg, var(--clr-accent-dark), var(--clr-primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 1.0625rem; color: var(--clr-text-muted);
  line-height: 1.7; margin-bottom: var(--sp-8); max-width: 480px;
}
.hero-actions {
  display: flex; gap: var(--sp-4); margin-bottom: var(--sp-10); flex-wrap: wrap;
}
.hero-stats {
  display: flex; align-items: center; gap: var(--sp-8);
  padding-top: var(--sp-8); border-top: 1px solid var(--clr-border);
}
.stat-item { text-align: center; }
.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem; font-weight: 700;
  color: var(--clr-primary); line-height: 1;
}
.stat-plus { font-size: 1.25rem; color: var(--clr-accent-dark); }
.stat-label {
  display: block; font-size: .75rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .08em;
  color: var(--clr-text-muted); margin-top: var(--sp-1);
}
.stat-divider { width: 1px; height: 40px; background: var(--clr-border); }

/* Hero visual */
.hero-visual {
  display: flex; justify-content: center; align-items: center;
}
.hero-card-stack {
  position: relative; width: 360px; max-width: 100%;
  aspect-ratio: 360 / 312;
}
.hcard {
  position: absolute; inset: 0;
  border-radius: var(--r-xl); box-shadow: var(--sh-xl);
}
.hcard--back {
  background: linear-gradient(135deg, #c7deff, #a0c4f8);
  transform: rotate(-6deg) translateY(16px); opacity: .4;
}
.hcard--mid {
  background: linear-gradient(135deg, #90c5f5, #5ba0e0);
  transform: rotate(-2deg) translateY(8px); opacity: .65;
}
.hcard--front {
  background: var(--clr-white); padding: var(--sp-3);
  display: flex; flex-direction: column; gap: var(--sp-2); overflow: visible;
  animation: cardFloat 6s ease-in-out infinite;
}
@keyframes cardFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}
.hero-monitor-svg {
  width: 100%;
  height: auto;
  border-radius: var(--r-md);
}
.hcard-badge {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  font-size: .75rem; font-weight: 700; color: var(--clr-success);
  background: var(--clr-success-light);
  border: 1px solid rgba(0,135,90,.2);
  padding: var(--sp-1) var(--sp-3); border-radius: var(--r-full);
  align-self: flex-start;
}
.badge-dot {
  width: 7px; height: 7px; background: var(--clr-success);
  border-radius: 50%; animation: pulseDot 2s ease-in-out infinite;
}
@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: .5; transform: scale(.8); }
}

/* ─── 8. FEATURES ────────────────────────────────────────────── */
.features {
  padding-block: var(--sp-24);
  background: var(--clr-bg-subtle);
  border-top: 1px solid var(--clr-border-light);
  border-bottom: 1px solid var(--clr-border-light);
}
.features-grid {
  display: grid; grid-template-columns: repeat(4,1fr); gap: var(--sp-6);
}
.feature-card {
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-lg);
  padding: var(--sp-8) var(--sp-6); text-align: center;
  transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-base);
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--sh-lg);
  border-color: var(--clr-accent-light);
}
.feature-icon {
  width: 56px; height: 56px;
  margin-inline: auto; margin-bottom: var(--sp-5);
}
.feature-icon svg { width: 100%; height: 100%; }
.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.0625rem; font-weight: 700;
  color: var(--clr-primary); margin-bottom: var(--sp-3);
}
.feature-card p { font-size: .9375rem; color: var(--clr-text-muted); line-height: 1.6; }

/* ─── 9. CATALOG SECTION — CATEGORY GRID ────────────────────── */
.catalog-section {
  padding-block: var(--sp-24);
  background: var(--clr-bg);
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, max(180px, calc((100% - 4.5rem) / 4))), 1fr));
  gap: var(--sp-6);
}

/* ─── 10. CATEGORY CARD ──────────────────────────────────────── */
.cat-card {
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-lg);
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-base);
  cursor: pointer;
}
.cat-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--sh-xl);
  border-color: var(--clr-accent-light);
}

.cat-card-img-wrap {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--clr-bg-subtle);
}
.cat-card-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--t-slow);
}
.cat-card:hover .cat-card-img-wrap img { transform: scale(1.05); }

.cat-count-badge {
  position: absolute;
  top: 10px; left: 10px;
  background: rgba(10,61,107,.85);
  color: #fff;
  font-size: .7rem; font-weight: 700; letter-spacing: .06em;
  padding: 3px 10px; border-radius: var(--r-full);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 2;
}

.cat-card-body {
  padding: var(--sp-4) var(--sp-5);
  flex: 1; display: flex; flex-direction: column; gap: var(--sp-2);
}
.cat-card-name {
  font-family: var(--font-display);
  font-size: 1rem; font-weight: 700;
  color: var(--clr-primary); line-height: 1.3;
}
.cat-card-desc {
  font-size: .8125rem; color: var(--clr-text-muted);
  line-height: 1.55; flex: 1;
}

.cat-card-footer {
  padding: var(--sp-3) var(--sp-5) var(--sp-5);
  border-top: 1px solid var(--clr-border-light);
}
.cat-card-footer .btn {
  width: 100%; justify-content: center;
  font-size: .875rem; padding: .55rem 1rem;
}

/* ─── 11. INQUIRY CTA ────────────────────────────────────────── */
.inquiry-cta {
  position: relative;
  background: var(--clr-primary);
  padding-block: var(--sp-20); overflow: hidden;
}
.cta-bg { position: absolute; inset: 0; }
.cta-blob {
  position: absolute; border-radius: 50%;
  filter: blur(60px); opacity: .2;
}
.cta-blob--1 { width: 400px; height: 400px; background: var(--clr-accent); top: -100px; right: 10%; }
.cta-blob--2 { width: 300px; height: 300px; background: #6cb4f4; bottom: -80px; left: 5%; }

.cta-inner {
  position: relative; z-index: 1;
  display: flex; justify-content: space-between;
  align-items: center; gap: var(--sp-10); flex-wrap: wrap;
}
.cta-text { flex: 1; min-width: 280px; }
.cta-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2.125rem);
  font-weight: 700; color: var(--clr-white);
  margin-bottom: var(--sp-3); line-height: 1.3;
}
.cta-text p { color: rgba(255,255,255,.8); font-size: 1.0625rem; max-width: 480px; }
.cta-actions { display: flex; gap: var(--sp-4); flex-wrap: wrap; }

/* ─── 12. ABOUT ──────────────────────────────────────────────── */
.about {
  padding-block: var(--sp-24);
  background: var(--clr-bg-soft);
  border-top: 1px solid var(--clr-border-light);
}
.about-inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--sp-16); align-items: center;
}
.about-img-frame {
  position: relative; border-radius: var(--r-xl);
  overflow: hidden; box-shadow: var(--sh-xl);
}
.about-svg { width: 100%; height: auto; }
.about-badge-float {
  position: absolute; bottom: var(--sp-5); right: var(--sp-5);
  background: var(--clr-white); border: 2px solid var(--clr-border);
  border-radius: var(--r-md); padding: var(--sp-2) var(--sp-4);
  box-shadow: var(--sh-md);
}
.about-badge-year {
  font-family: var(--font-display); font-size: .9375rem;
  font-weight: 700; color: var(--clr-primary);
}
.about-content { max-width: 540px; }
.about-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.625rem, 2.5vw, 2.125rem);
  font-weight: 700; color: var(--clr-primary);
  margin: var(--sp-4) 0 var(--sp-5); line-height: 1.25;
}
.about-lead {
  font-size: 1.0625rem; color: var(--clr-text-muted);
  line-height: 1.7; margin-bottom: var(--sp-6);
}
.about-cards {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--sp-4); margin-bottom: var(--sp-6);
}
.about-card {
  background: var(--clr-white); border: 1px solid var(--clr-border);
  border-left: 3px solid var(--clr-accent);
  border-radius: var(--r-md); padding: var(--sp-4);
}
.about-card h4 {
  font-size: .9375rem; font-weight: 700;
  color: var(--clr-primary); margin-bottom: var(--sp-2);
}
.about-card p { font-size: .875rem; color: var(--clr-text-muted); line-height: 1.6; }

.about-checklist { display: flex; flex-direction: column; gap: var(--sp-3); }
.about-checklist li {
  display: flex; align-items: center; gap: var(--sp-3);
  font-size: .9375rem; color: var(--clr-text);
}
.about-checklist li svg { width: 20px; height: 20px; flex-shrink: 0; }

/* ─── 13. CONTACT ────────────────────────────────────────────── */
.contact { padding-block: var(--sp-24); background: var(--clr-bg); }

.contact-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-5);
  margin-bottom: var(--sp-10);
}
.contact-card {
  display: flex; flex-direction: column;
  align-items: center; text-align: center;
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-lg);
  padding: var(--sp-8) var(--sp-5);
  transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-base);
  gap: var(--sp-3);
}
.contact-card:is(a):hover {
  transform: translateY(-4px);
  box-shadow: var(--sh-lg);
  border-color: var(--clr-accent-light);
}
.contact-card--whatsapp {
  border-color: rgba(37,211,102,.3);
}
.contact-card--whatsapp:hover {
  border-color: var(--clr-wa) !important;
  box-shadow: 0 8px 32px rgba(37,211,102,.2) !important;
}

.contact-card-icon {
  width: 52px; height: 52px;
  background: var(--clr-bg-subtle);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--clr-primary);
}
.contact-card--whatsapp .contact-card-icon { color: var(--clr-wa); background: var(--clr-wa-light); border-color: rgba(37,211,102,.3); }
.contact-card-icon svg { width: 22px; height: 22px; }

.contact-card h4 {
  font-size: .8125rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .08em;
  color: var(--clr-text-light);
}
.contact-card p, .contact-card address {
  font-size: .9375rem; font-weight: 500; color: var(--clr-text);
}

.contact-whatsapp-cta {
  display: flex; justify-content: center;
}
.contact-whatsapp-cta .btn-lg {
  padding: 1rem 2.5rem; font-size: 1.0625rem;
}

/* ─── 14. CATEGORY VIEW ──────────────────────────────────────── */
.cat-view-banner {
  padding-block: var(--sp-16) var(--sp-12);
  background: linear-gradient(135deg, var(--clr-primary-dark) 0%, var(--clr-primary) 50%, var(--clr-primary-light) 100%);
  position: relative; overflow: hidden;
}
.cat-view-banner::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 40px 40px;
}
.cat-banner-inner {
  position: relative; z-index: 1;
  display: flex; flex-direction: column;
  align-items: flex-start;
  gap: var(--sp-3);
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  padding-top: var(--navbar-h);
}
.cat-banner-name {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 700; color: var(--clr-white); line-height: 1.2;
}
.cat-banner-desc {
  font-size: 1rem; color: rgba(255,255,255,.78);
  max-width: 560px; line-height: 1.65;
}
.cat-banner-count {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  font-size: .875rem; font-weight: 700;
  color: var(--clr-white);
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.25);
  padding: var(--sp-1) var(--sp-4); border-radius: var(--r-full);
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
}
.cat-banner-count-dot {
  width: 7px; height: 7px; background: var(--clr-wa);
  border-radius: 50%; animation: pulseDot 2s ease-in-out infinite;
}

.cat-view-body { padding-block: var(--sp-8) var(--sp-20); }

/* Breadcrumb */
.breadcrumb {
  display: flex; align-items: center; gap: var(--sp-2);
  font-size: .875rem; color: var(--clr-text-muted);
  margin-bottom: var(--sp-8);
  flex-wrap: wrap;
}
.breadcrumb a {
  color: var(--clr-primary); font-weight: 500;
  transition: color var(--t-fast);
}
.breadcrumb a:hover { color: var(--clr-primary-light); text-decoration: underline; }
.breadcrumb-sep {
  color: var(--clr-text-light); font-size: .75rem;
  user-select: none;
}
.breadcrumb-current { color: var(--clr-text); font-weight: 600; }

/* Category search row */
.cat-search-row {
  display: flex; align-items: center;
  gap: var(--sp-6); margin-bottom: var(--sp-6);
  flex-wrap: wrap;
}
.cat-search-row .search-wrapper { flex: 1; max-width: 500px; }

/* ─── 15. SEARCH BAR ─────────────────────────────────────────── */
.search-wrapper {
  position: relative; width: 100%;
}
.search-icon {
  position: absolute; left: var(--sp-4); top: 50%;
  transform: translateY(-50%);
  width: 18px; height: 18px; pointer-events: none;
}
.search-input {
  width: 100%;
  padding: .85rem var(--sp-10) .85rem var(--sp-10);
  border: 2px solid var(--clr-border); border-radius: var(--r-full);
  font-family: var(--font-body); font-size: .9375rem; color: var(--clr-text);
  background: var(--clr-white); outline: none;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  appearance: none; -webkit-appearance: none;
}
.search-input::placeholder { color: var(--clr-text-light); }
.search-input:focus {
  border-color: var(--clr-primary-light);
  box-shadow: 0 0 0 4px rgba(10,61,107,.08);
}
.search-clear {
  position: absolute; right: var(--sp-3); top: 50%;
  transform: translateY(-50%); width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%; color: var(--clr-text-muted);
  transition: background var(--t-fast), color var(--t-fast);
}
.search-clear:hover { background: var(--clr-bg-subtle); color: var(--clr-primary); }

/* Product count */
.product-count {
  font-size: .875rem; font-weight: 500;
  color: var(--clr-text-muted); white-space: nowrap;
}
.product-count strong { color: var(--clr-primary); }

/* ─── 16. PRODUCTS GRID ──────────────────────────────────────── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, max(180px, calc((100% - 4.5rem) / 4))), 1fr));
  gap: var(--sp-6);
}

/* ─── 17. PRODUCT CARD ───────────────────────────────────────── */
.product-card {
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-lg); overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-base);
  animation: cardIn .4s ease both;
}
.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--sh-xl);
  border-color: var(--clr-accent-light);
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.prod-card-img-wrap {
  overflow: visible;
  background: var(--clr-white);
  line-height: 0;
  position: relative;
}
.prod-card-img-wrap img {
  display: block;
  width: 100%;
  height: auto;
  background: var(--clr-white);
  object-fit: contain;
}

.prod-card-body {
  padding: var(--sp-4) var(--sp-5) var(--sp-3);
  flex: 1; display: flex; flex-direction: column; gap: var(--sp-2);
}
.prod-card-name {
  font-family: var(--font-display);
  font-size: 1rem; font-weight: 700;
  color: var(--clr-primary); line-height: 1.3;
}
.prod-card-desc {
  font-size: .8125rem; color: var(--clr-text-muted);
  line-height: 1.55; flex: 1;
}
.prod-card-meta {
  display: flex; flex-direction: column; gap: 2px;
  padding-top: var(--sp-3); border-top: 1px solid var(--clr-border-light);
}
.prod-card-meta-row {
  display: flex; justify-content: space-between;
  font-size: .8rem;
}
.prod-card-meta-label { color: var(--clr-text-light); }
.prod-card-meta-value { color: var(--clr-text); font-weight: 600; }

.prod-card-footer {
  padding: var(--sp-3) var(--sp-5) var(--sp-5);
  border-top: 1px solid var(--clr-border-light);
  display: flex; gap: var(--sp-2);
}
.prod-card-footer .btn { flex: 1; justify-content: center; font-size: .8125rem; }

/* Transparent wrapper — becomes right column on mobile */
.prod-card-right {
  display: contents; /* desktop: invisible to layout */
}

/* ─── 18. NO RESULTS ─────────────────────────────────────────── */
.no-results {
  text-align: center; padding: var(--sp-20) var(--sp-8);
  animation: fadeIn .3s ease;
}
.no-results svg { width: 80px; margin-inline: auto; margin-bottom: var(--sp-6); }
.no-results h3 {
  font-family: var(--font-display); font-size: 1.375rem;
  color: var(--clr-primary); margin-bottom: var(--sp-2);
}
.no-results p { color: var(--clr-text-muted); margin-bottom: var(--sp-6); }

/* ─── 19. MODAL ──────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(6,28,50,.72); backdrop-filter: blur(6px);
  z-index: 2000;
  display: flex; align-items: center; justify-content: center;
  padding: var(--sp-4);
  /* Invisible AND non-interactive by default — CSS display:flex does NOT
     override the hidden attribute but pointer-events is the safe guard   */
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transition: opacity var(--t-base), visibility var(--t-base);
}
/* Only when JS adds .open does it become visible and interactive */
.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
  visibility: visible;
}

.modal {
  background: var(--clr-white); border-radius: var(--r-xl);
  box-shadow: var(--sh-xl);
  max-width: 800px; width: 100%;
  max-height: 90svh; overflow-y: auto;
  position: relative;
  transform: translateY(24px) scale(.97);
  transition: transform var(--t-base);
  overscroll-behavior: contain;
}
.modal-overlay.open .modal { transform: none; }
.modal::-webkit-scrollbar { width: 6px; }
.modal::-webkit-scrollbar-thumb { background: var(--clr-border); border-radius: 3px; }

.modal-close {
  position: sticky; top: var(--sp-4); float: right;
  margin: var(--sp-4) var(--sp-4) 0 0;
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--clr-bg-subtle); border: 1px solid var(--clr-border);
  color: var(--clr-text-muted);
  transition: background var(--t-fast), color var(--t-fast), transform var(--t-fast);
  z-index: 10;
}
.modal-close:hover {
  background: #fee8e8; border-color: rgba(192,57,43,.3);
  color: var(--clr-error); transform: rotate(90deg);
}

.modal-body {
  padding: var(--sp-3) var(--sp-8) var(--sp-8); clear: both;
}

.modal-img {
  width: 100%;
  height: auto;
  object-fit: contain; border-radius: var(--r-lg);
  margin-bottom: var(--sp-6); background: var(--clr-bg-subtle);
}
.modal-title {
  font-family: var(--font-display);
  font-size: clamp(1.375rem, 2.5vw, 1.875rem);
  font-weight: 700; color: var(--clr-primary);
  line-height: 1.2; margin-bottom: var(--sp-4);
}
.modal-meta-row {
  display: flex; gap: var(--sp-6); flex-wrap: wrap;
  margin-bottom: var(--sp-5);
}
.modal-meta-item { display: flex; flex-direction: column; gap: 2px; }
.modal-meta-label {
  font-size: .75rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .08em; color: var(--clr-text-light);
}
.modal-meta-value { font-size: .9375rem; font-weight: 600; color: var(--clr-text); }

.modal-section-title {
  font-family: var(--font-display);
  font-size: 1rem; font-weight: 700; color: var(--clr-primary);
  margin-bottom: var(--sp-3);
  display: flex; align-items: center; gap: var(--sp-2);
}
.modal-section-title::after {
  content: ''; flex: 1; height: 1px; background: var(--clr-border);
}

.modal-desc {
  font-size: .9375rem; color: var(--clr-text-muted);
  line-height: 1.7; margin-bottom: var(--sp-5);
  padding: var(--sp-4); background: var(--clr-bg-subtle);
  border-radius: var(--r-md); border-left: 3px solid var(--clr-accent);
}

.specs-table {
  width: 100%; border-collapse: collapse;
  border: 1px solid var(--clr-border); border-radius: var(--r-md);
  overflow: hidden; margin-bottom: var(--sp-5); font-size: .875rem;
}
.specs-table tr:nth-child(odd)  { background: var(--clr-bg-soft); }
.specs-table tr:nth-child(even) { background: var(--clr-white); }
.specs-table th, .specs-table td {
  padding: var(--sp-3) var(--sp-4); text-align: left;
  border-bottom: 1px solid var(--clr-border-light);
}
.specs-table th { width: 40%; font-weight: 600; color: var(--clr-text-muted); font-size: .8125rem; }
.specs-table td { color: var(--clr-text); font-weight: 500; }
.specs-table tr:last-child th,
.specs-table tr:last-child td { border-bottom: none; }

.modal-features {
  display: flex; flex-direction: column; gap: var(--sp-2);
  margin-bottom: var(--sp-5);
}
.modal-feature-item {
  display: flex; align-items: flex-start; gap: var(--sp-3);
  font-size: .9375rem; color: var(--clr-text);
}
.modal-feature-dot {
  width: 8px; height: 8px; background: var(--clr-accent);
  border-radius: 50%; flex-shrink: 0; margin-top: 6px;
}

.modal-certs {
  display: flex; flex-wrap: wrap; gap: var(--sp-2);
  margin-bottom: var(--sp-5);
}
.modal-cert-badge {
  font-size: .75rem; font-weight: 700;
  padding: var(--sp-1) var(--sp-3); border-radius: var(--r-full);
  background: var(--clr-bg-subtle); border: 1px solid var(--clr-border);
  color: var(--clr-primary);
}

.modal-notes {
  font-size: .875rem; color: var(--clr-text-muted);
  line-height: 1.6; padding: var(--sp-4);
  background: #fffbea; border: 1px solid #f0e68c;
  border-radius: var(--r-md); margin-bottom: var(--sp-5);
}

.modal-footer {
  display: flex; gap: var(--sp-4); flex-wrap: wrap;
  padding-top: var(--sp-5); border-top: 1px solid var(--clr-border);
}

/* ─── 20. FOOTER ─────────────────────────────────────────────── */
.footer { background: var(--clr-primary-dark); color: rgba(255,255,255,.75); }

.footer-top { padding-block: var(--sp-16); }
.footer-grid {
  display: grid; grid-template-columns: 1.8fr 1fr 1.1fr 1.2fr;
  gap: var(--sp-10);
}

.footer-logo { margin-bottom: var(--sp-4); }
.footer-tagline {
  font-size: .875rem; line-height: 1.65;
  color: rgba(255,255,255,.55); margin-bottom: var(--sp-5);
}
.footer-contact-inline {
  display: flex; flex-direction: column; gap: var(--sp-1);
}
.footer-contact-inline a {
  font-size: .875rem; color: rgba(255,255,255,.6);
  transition: color var(--t-fast);
}
.footer-contact-inline a:hover { color: var(--clr-accent-light); }

.footer-heading {
  font-size: .8125rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  color: rgba(255,255,255,.9); margin-bottom: var(--sp-5);
}
.footer-links { display: flex; flex-direction: column; gap: var(--sp-3); }
.footer-links a {
  font-size: .875rem; color: rgba(255,255,255,.6);
  transition: color var(--t-fast); cursor: pointer;
}
.footer-links a:hover { color: var(--clr-accent-light); }

.footer-address {
  display: flex; flex-direction: column; gap: var(--sp-2);
  font-size: .875rem; color: rgba(255,255,255,.6); margin-bottom: var(--sp-5);
}
.footer-address a:hover { color: var(--clr-accent-light); }

.footer-wa-btn { font-size: .875rem; padding: .55rem 1.2rem; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-block: var(--sp-5);
}
.footer-bottom-inner {
  display: flex; justify-content: space-between;
  align-items: center; gap: var(--sp-4); flex-wrap: wrap;
  font-size: .8125rem; color: rgba(255,255,255,.38);
}

/* ─── 21. BACK TO TOP ────────────────────────────────────────── */
.back-to-top {
  position: fixed; bottom: var(--sp-6); right: var(--sp-6);
  width: 44px; height: 44px;
  background: var(--clr-primary); color: var(--clr-white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--sh-md); z-index: 500;
  transition: background var(--t-fast), transform var(--t-fast);
  animation: fadeIn .3s ease forwards;
}
.back-to-top:hover {
  background: var(--clr-primary-light); transform: translateY(-2px);
}

/* ─── 22. ANIMATIONS ─────────────────────────────────────────── */
@keyframes fadeIn {
  from { opacity: 0; } to { opacity: 1; }
}
.fade-in {
  opacity: 0; transform: translateY(24px);
  animation: slideUp .7s ease forwards;
}
.fade-in--delayed { animation-delay: .25s; }
@keyframes slideUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.scroll-reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity .6s ease, transform .6s ease;
}
.scroll-reveal.revealed { opacity: 1; transform: translateY(0); }
.scroll-reveal:nth-child(2) { transition-delay: .1s; }
.scroll-reveal:nth-child(3) { transition-delay: .2s; }
.scroll-reveal:nth-child(4) { transition-delay: .3s; }

/* ─── 23. FOCUS ──────────────────────────────────────────────── */
:focus-visible {
  outline: 3px solid var(--clr-accent);
  outline-offset: 3px; border-radius: 2px;
}

/* ─── 24. RESPONSIVE ─────────────────────────────────────────── */


/* ≤ 1024px */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }

  .hero-inner { grid-template-columns: 1fr; text-align: center; padding-block: var(--sp-16); }
  .hero-text  { max-width: 100%; margin-inline: auto; }
  .hero-desc  { margin-inline: auto; }
  .hero-actions { justify-content: center; }
  .hero-stats   { justify-content: center; }
  .hero-visual  { display: none; }

  .about-inner { grid-template-columns: 1fr; }
  .about-visual { max-width: 480px; margin-inline: auto; }
  .about-content { text-align: center; max-width: 100%; }
  .about-cards { text-align: left; }
  .about-checklist { text-align: left; }

  .contact-cards-grid { grid-template-columns: repeat(2, 1fr); }

  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

/* ≤ 900px — Category & product grids */
@media (max-width: 900px) {
  .categories-grid,
  .products-grid { gap: var(--sp-4); }
}

/* ≤ 768px — Mobile nav */
@media (max-width: 768px) {
  :root { --container-pad: 1rem; --navbar-h: 64px; }

  /* Container: logo left, hamburger right — nothing else visible */
  .nav-container { gap: var(--sp-2); min-width: 0; }
  .nav-logo { min-width: 0; max-width: calc(100% - 52px); }
  .nav-logo-img { height: 46px; max-width: min(68vw, 220px); }

  /* Hide the right group (links + CTA button) on mobile */
  .nav-right { display: none; }

  /* Show hamburger */
  .hamburger { display: flex; margin-left: auto; }

  /* Mobile menu drawer — full-width panel slides down from navbar */
  .mobile-nav-drawer {
    left: 0;
    right: 0;
    width: 100%;
    max-height: calc(100dvh - var(--navbar-h));
    overflow-y: auto;
    overscroll-behavior: contain;
  }
  .mobile-nav-drawer .nav-links {
    position: static;
    background: transparent;
    border-bottom: 0;
    flex-direction: column;
    align-items: stretch;
    padding: var(--sp-3) var(--sp-4) var(--sp-4);
    gap: var(--sp-1);
    box-shadow: none;
    transform: none;
    transition: none;
    z-index: auto;
  }

  /* Each link: full-width tap target with clear hover */
  .mobile-nav-drawer .nav-link {
    display: block;
    padding: var(--sp-3) var(--sp-4);
    border-radius: var(--r-md);
    font-size: 1rem;
    font-weight: 500;
    color: var(--clr-text);
    border-bottom: 1px solid var(--clr-border-light);
  }
  .mobile-nav-drawer .nav-link:last-child { border-bottom: none; }
  .mobile-nav-drawer .nav-link:hover,
  .mobile-nav-drawer .nav-link.active {
    background: var(--clr-bg-subtle);
    color: var(--clr-primary);
  }

  /* WhatsApp button inside the drawer */
  .nav-mobile-wa {
    display: flex !important;
    margin-top: var(--sp-3);
  }

  /* Grids */
  .features-grid { grid-template-columns: 1fr 1fr; }
  .cta-inner     { flex-direction: column; text-align: center; }
  .cta-actions   { justify-content: center; }
  .footer-grid   { grid-template-columns: 1fr 1fr; }
  .footer-brand  { grid-column: 1 / -1; }

  .cat-search-row { flex-direction: column; align-items: flex-start; }
  .cat-search-row .search-wrapper { max-width: 100%; }

  /* Modal */
  .modal-body { padding: var(--sp-4) var(--sp-5) var(--sp-6); }
  .modal-footer { flex-direction: column; }
  .modal-footer .btn { width: 100%; justify-content: center; }

  .about-cards { grid-template-columns: 1fr; }
}

/* ≤ 600px — Mobile: horizontal list card layout */
@media (max-width: 600px) {
  .categories-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .products-grid   { grid-template-columns: 1fr; gap: var(--sp-3); }

  /* Switch card to horizontal row */
  .product-card {
    flex-direction: row;
    align-items: stretch;
    border-radius: var(--r-md);
    min-height: 126px;
  }
  .product-card:hover { transform: translateY(-2px); }

  /* Image thumbnail on the left */
  .prod-card-img-wrap {
    flex: 0 0 110px;
    width: 110px;
    overflow: hidden;
    border-radius: var(--r-md) 0 0 var(--r-md);
    background: var(--clr-bg-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--sp-2);
    border-right: 1px solid var(--clr-border-light);
  }
  .prod-card-img-wrap img {
    width: 100%;
    height: 88px;
    object-fit: contain;
    border-radius: var(--r-sm);
  }

  /* Right column: stacks body then footer */
  .prod-card-right {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
  }

  .prod-card-body {
    padding: var(--sp-3) var(--sp-3) var(--sp-2);
    gap: var(--sp-1);
    flex: 1;
  }
  .prod-card-name {
    font-size: .875rem;
    line-height: 1.25;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .prod-card-desc {
    font-size: .75rem;
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .prod-card-meta { padding-top: var(--sp-2); }
  .prod-card-meta-row { font-size: .7rem; }

  .prod-card-footer {
    padding: var(--sp-2) var(--sp-3) var(--sp-3);
    gap: var(--sp-2);
  }
  .prod-card-footer .btn {
    font-size: .75rem;
    padding: .35rem .6rem;
  }
}

/* ≤ 480px */
@media (max-width: 480px) {
  .features-grid  { grid-template-columns: 1fr; }
  .contact-cards-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid    { grid-template-columns: 1fr; }

  .hero-actions   { flex-direction: column; align-items: center; }
  .hero-actions .btn { width: 100%; justify-content: center; }

  .cta-actions    { flex-direction: column; align-items: center; width: 100%; }
  .cta-actions .btn { width: 100%; justify-content: center; }

  .footer-bottom-inner { flex-direction: column; text-align: center; }
  .back-to-top { bottom: var(--sp-4); right: var(--sp-4); }

  /* Narrower image on very small phones */
  .prod-card-img-wrap { flex: 0 0 90px; width: 90px; }
  .prod-card-img-wrap img { height: 70px; }
}

/* ≤ 380px */
@media (max-width: 380px) {
  .contact-cards-grid { grid-template-columns: 1fr; }
  .prod-card-footer { flex-direction: column; }
}