/* ============================================================
   PRODISHER — Design system & styles
   Cartago, Valle del Cauca
   ============================================================ */

/* ---------- 1. VARIABLES (Design tokens) ---------- */
:root {
  /* Colors */
  --color-primary: #16335b;
  --color-primary-light: #2a4a7a;
  --color-primary-dark: #0f2442;
  --color-accent: #25D366;
  --color-accent-hover: #20bd5a;
  --color-text: #1a1a1a;
  --color-text-muted: #555;
  --color-bg: #f5f6f8;
  --color-bg-alt: #ffffff;
  --color-border: #e5e7eb;
  --color-white: #ffffff;
  /* Pop-art accents */
  --pop-cyan: #00d4ff;
  --pop-magenta: #ff006e;
  --pop-yellow: #ffbe0b;
  --pop-orange: #fb5607;

  /* Typography */
  --font: 'DM Sans', system-ui, -apple-system, sans-serif;
  --text-base: 1rem;
  --text-sm: 0.9375rem;
  --text-xs: 0.875rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.5rem;
  --line-tight: 1.25;
  --line-normal: 1.5;
  --line-relaxed: 1.6;
  --weight-normal: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  /* Spacing (scale 4/8/16/24/32/48/64) */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */

  /* Layout */
  --container-max: 1200px;
  --container-padding: var(--space-4);
  --header-height: 72px;
  --section-padding-y: var(--space-20);
  --section-padding-y-sm: var(--space-16);

  /* Borders & radius */
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
  --shadow-focus: 0 0 0 3px var(--color-white), 0 0 0 5px var(--color-primary);

  /* Breakpoints: 320px, 480px, 600px, 768px, 900px, 1024px, 1200px */
  --bp-tablet: 1024px;
  --bp-mobile-nav: 1023px;
}

@media (max-width: 480px) {
  :root {
    --header-height: 64px;
    --container-padding: clamp(0.75rem, 4vw, 1rem);
    --section-padding-y: clamp(2.5rem, 8vw, 3rem);
    --section-padding-y-sm: clamp(2rem, 6vw, 2.5rem);
  }
}

@media (max-width: 320px) {
  :root {
    --header-height: 56px;
  }
}

/* Skip link (a11y) */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  z-index: 10000;
  padding: var(--space-3) var(--space-4);
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: var(--weight-semibold);
  border-radius: var(--radius);
  transition: top 0.2s;
}
.skip-link:focus {
  top: var(--space-4);
  outline: 2px solid var(--color-white);
  outline-offset: 2px;
}

/* ---------- 2. BASE ---------- */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: var(--text-base);
  line-height: var(--line-normal);
  color: var(--color-text);
  background-color: #f8f9fb;
  overflow-x: hidden;
  min-width: 280px;
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(22, 51, 91, 0.06), transparent),
    linear-gradient(180deg, #ffffff 0%, #f8f9fb 100%);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  word-break: break-word;
}
a:hover {
  text-decoration: underline;
}
a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

h1, h2, h3, h4 {
  margin: 0 0 var(--space-2);
  line-height: var(--line-tight);
  font-weight: var(--weight-bold);
}
h1 { font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl)); }
h2 { font-size: clamp(var(--text-xl), 3vw, var(--text-3xl)); }
h3 { font-size: var(--text-lg); }

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

/* ---------- 3. LAYOUT ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(0.875rem, 3vw, 1.25rem);
  padding-right: clamp(0.875rem, 3vw, 1.25rem);
}
@media (min-width: 481px) {
  .container {
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
  }
}

.section {
  padding-top: var(--section-padding-y);
  padding-bottom: var(--section-padding-y);
}
.section--alt {
  background: var(--color-bg-alt);
  position: relative;
}
.section--alt::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  background: linear-gradient(180deg, var(--pop-cyan), var(--pop-magenta), var(--pop-yellow), var(--pop-orange));
  opacity: 0.9;
}
@media (max-width: 480px) {
  .section--alt::before {
    width: 4px;
  }
}
.section__title {
  margin: 0 0 var(--space-2);
  font-size: clamp(var(--text-2xl), 4vw, var(--text-3xl));
  font-weight: var(--weight-bold);
  text-align: center;
  color: var(--color-primary);
  position: relative;
  display: inline-block;
  width: 100%;
}
.section__title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  margin: var(--space-3) auto 0;
  background: linear-gradient(90deg, var(--pop-cyan), var(--pop-magenta), var(--pop-yellow));
  border-radius: 2px;
}
.section__lead {
  max-width: 600px;
  margin: 0 auto var(--space-12);
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  line-height: var(--line-relaxed);
}

@media (max-width: 767px) {
  .section {
    padding-top: var(--section-padding-y-sm);
    padding-bottom: var(--section-padding-y-sm);
  }
}
@media (max-width: 480px) {
  .section {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
  }
  .section__lead {
    margin-bottom: var(--space-8);
    font-size: var(--text-base);
    padding-left: var(--space-2);
    padding-right: var(--space-2);
  }
  .section__title {
    font-size: clamp(1.35rem, 5vw, var(--text-2xl));
    padding-left: var(--space-2);
    padding-right: var(--space-2);
  }
  .section__title::after {
    width: 60px;
  }
}

/* ---------- 4. HEADER & NAV ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 50%, #1a3d6b 100%);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  border-bottom: none;
  transition: box-shadow 0.25s ease;
}
.header.is-scrolled {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.22);
}
.header::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--pop-cyan), var(--pop-magenta), var(--pop-yellow), var(--pop-orange), var(--pop-cyan));
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
}
.logo:focus-visible {
  outline: 2px solid var(--color-white);
  outline-offset: 4px;
}
.logo__img {
  height: 44px;
  width: auto;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.2));
  border-radius: var(--radius-sm);
  padding: 2px;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.3), 0 0 12px rgba(0, 212, 255, 0.25);
}
.logo:hover .logo__img {
  box-shadow: 0 0 0 2px var(--pop-cyan), 0 0 16px rgba(255, 0, 110, 0.35);
}

.nav__list {
  display: flex;
  gap: var(--space-6);
}
.nav__link {
  color: var(--color-white) !important;
  font-weight: var(--weight-semibold);
  padding: var(--space-2) var(--space-3);
  border-bottom: 3px solid transparent;
  border-radius: var(--radius-sm);
  text-decoration: none !important;
  transition: border-color 0.2s, color 0.2s, background 0.2s, box-shadow 0.2s;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  letter-spacing: 0.02em;
}
.nav__link:hover {
  border-bottom-color: var(--pop-yellow);
  color: var(--pop-yellow) !important;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 1px rgba(255, 190, 11, 0.3);
  text-decoration: none !important;
}
.nav__link:focus-visible {
  outline: 2px solid var(--pop-cyan);
  outline-offset: 4px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 190, 11, 0.5);
  cursor: pointer;
  color: var(--color-white);
  border-radius: var(--radius-sm);
  transition: background 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.nav-toggle:hover {
  background: rgba(255, 190, 11, 0.2);
  border-color: var(--pop-yellow);
  box-shadow: 0 0 12px rgba(255, 190, 11, 0.3);
}
.nav-toggle:focus-visible {
  outline: 2px solid var(--pop-cyan);
  outline-offset: 2px;
}
.nav-toggle span {
  display: block;
  height: 3px;
  background: currentColor;
  border-radius: 2px;
  width: 22px;
  box-shadow: 0 0 6px rgba(255, 255, 255, 0.3);
}

@media (max-width: 1023px) {
  .nav-toggle {
    display: flex;
  }
  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    max-height: min(70vh, calc(100dvh - var(--header-height)));
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    background: linear-gradient(180deg, var(--color-primary) 0%, #1a3d6b 100%);
    padding: var(--space-4);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    border-bottom: 4px solid var(--pop-magenta);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.2s, visibility 0.2s, transform 0.2s;
  }
  .nav.nav--open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .nav__list {
    flex-direction: column;
    gap: 0;
  }
  .nav__link {
    display: block;
    padding: var(--space-4);
    min-height: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    border-left: 3px solid transparent;
  }
  .nav__link:hover {
    border-left-color: var(--pop-magenta);
    background: rgba(255, 0, 110, 0.15);
  }
}
@media (max-width: 480px) {
  .nav {
    padding: var(--space-3);
  }
  .nav__link {
    padding: var(--space-3);
    min-height: 44px;
    font-size: var(--text-base);
  }
}

@media (min-width: 1024px) {
  .nav {
    opacity: 1;
    visibility: visible;
    position: static;
    max-height: none;
    overflow: visible;
    background: transparent;
    padding: 0;
    box-shadow: none;
    border: none;
    transform: none;
  }
}
@media (min-width: 1024px) and (max-width: 1199px) {
  .nav__list {
    gap: var(--space-3);
  }
  .nav__link {
    padding: var(--space-2) var(--space-2);
    font-size: var(--text-sm);
  }
}
@media (max-width: 480px) {
  .logo__img {
    height: 38px;
  }
  .header__inner {
    padding-top: 0;
    padding-bottom: 0;
  }
}
@media (max-width: 320px) {
  .logo__img {
    height: 32px;
  }
}

/* ---------- 5. HERO ---------- */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: var(--header-height);
  background: var(--color-primary) url('../image/plotter2.png') center/cover no-repeat;
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  overflow: hidden;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: rgba(22, 51, 91, 0.78);
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: var(--space-8);
  color: var(--color-white);
  width: 100%;
  max-width: min(100%, 42rem);
  margin-left: auto;
  margin-right: auto;
  box-sizing: border-box;
}

.hero__logo {
  max-width: 140px;
  margin: 0 auto var(--space-6);
  background: rgba(255, 255, 255, 0.92);
  padding: var(--space-2);
  border-radius: var(--radius);
}

.hero__eyebrow {
  margin: 0 0 var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.88);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.2);
}

.hero__title {
  margin: 0 0 var(--space-4);
  font-size: clamp(1.35rem, 3.5vw + 0.5rem, 2.25rem);
  font-weight: var(--weight-bold);
  max-width: 38rem;
  margin-left: auto;
  margin-right: auto;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
  color: var(--color-white);
  line-height: 1.2;
}

.hero__subtitle {
  margin: 0 0 var(--space-8);
  font-size: clamp(var(--text-base), 1.5vw, var(--text-lg));
  opacity: 0.95;
  max-width: 40ch;
  margin-left: auto;
  margin-right: auto;
  line-height: var(--line-relaxed);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
  align-items: center;
}

.hero__actions .btn {
  margin-top: 0;
  min-width: 10rem;
}

/* Franja confianza */
.trust-strip {
  position: relative;
  z-index: 2;
  margin-top: calc(-1 * var(--space-8));
  margin-bottom: 0;
  padding: var(--space-8) 0;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}
.trust-strip__inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-6);
  align-items: start;
}
.trust-strip__item {
  padding: var(--space-4);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: linear-gradient(180deg, #fff 0%, var(--color-bg) 100%);
  transition: box-shadow 0.2s, border-color 0.2s;
}
.trust-strip__item:hover {
  box-shadow: var(--shadow);
  border-color: rgba(22, 51, 91, 0.2);
}
.trust-strip__label {
  display: block;
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}
.trust-strip__text {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--line-relaxed);
}
@media (max-width: 600px) {
  .trust-strip {
    margin-top: 0;
    padding: var(--space-6) 0;
  }
  .trust-strip__inner {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }
}

/* CTA intermedia */
.section--cta {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 55%, var(--color-primary-light) 100%);
  color: var(--color-white);
  text-align: center;
}
.section--cta .section--cta__inner {
  max-width: 640px;
  margin: 0 auto;
}
.section--cta__title {
  margin: 0 0 var(--space-4);
  font-size: clamp(var(--text-xl), 3vw, var(--text-3xl));
  font-weight: var(--weight-bold);
  color: var(--color-white);
  line-height: var(--line-tight);
}
.section--cta__title::after {
  display: none;
}
.section--cta__lead {
  margin: 0 0 var(--space-8);
  font-size: var(--text-lg);
  opacity: 0.92;
  line-height: var(--line-relaxed);
}
.btn--cta {
  background: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
  min-height: 52px;
  padding-left: var(--space-8);
  padding-right: var(--space-8);
  font-size: var(--text-lg);
}
.btn--cta:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.section__lead--narrow {
  max-width: 42rem;
}

/* Fallback when background image fails */
@supports not (background: url('')) {
  .hero {
    background-color: var(--color-primary-dark);
  }
}
@media (max-width: 767px) {
  .hero {
    min-height: 75vh;
    margin-top: var(--header-height);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  }
  .hero__content {
    padding: var(--space-6);
  }
  .hero__logo {
    max-width: 120px;
    margin-bottom: var(--space-4);
  }
  .hero__title {
    font-size: clamp(1.25rem, 5vw, 1.75rem);
    margin-bottom: var(--space-3);
  }
  .hero__subtitle {
    font-size: var(--text-base);
    margin-bottom: var(--space-6);
    padding-left: var(--space-2);
    padding-right: var(--space-2);
  }
  .hero__actions {
    flex-direction: column;
    width: 100%;
  }
  .hero__actions .btn {
    width: 100%;
    max-width: 280px;
  }
}
@media (max-width: 480px) {
  .hero {
    min-height: 70vh;
    margin-top: var(--header-height);
  }
  .hero__content {
    padding: var(--space-4);
  }
  .hero__logo {
    max-width: 100px;
    margin-bottom: var(--space-3);
  }
  .hero__title {
    font-size: clamp(1.1rem, 4.5vw, 1.5rem);
  }
  .hero__subtitle {
    font-size: var(--text-sm);
  }
}
@media (max-width: 320px) {
  .hero {
    margin-top: var(--header-height);
    min-height: 65vh;
  }
  .hero__content {
    padding: var(--space-3);
  }
  .hero__actions .btn {
    max-width: 100%;
  }
}

/* ---------- 6. BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: var(--space-3) var(--space-6);
  font-family: var(--font);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}
.btn:hover {
  text-decoration: none;
}
.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}
.btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}
@media (max-width: 480px) {
  .btn {
    min-height: 44px;
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-sm);
  }
}

.btn--primary {
  background: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}
.btn--primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn--outline:hover:not(:disabled) {
  background: var(--color-primary);
  color: var(--color-white);
  text-decoration: none;
}

.btn--whatsapp {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}
.btn--whatsapp:hover:not(:disabled) {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
  text-decoration: none;
}

/* ---------- 7. CARDS ---------- */
.cards {
  display: grid;
  gap: var(--space-6);
}

.cards--4 {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.cards--2 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.cards--products {
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-8);
}
@media (max-width: 600px) {
  .cards--4 {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  .cards--2 {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  .cards--products {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}
@media (max-width: 480px) {
  .cards {
    gap: var(--space-4);
  }
  .card {
    padding: var(--space-6);
  }
  .card--product .card__body {
    padding: var(--space-4);
  }
}
@media (max-width: 320px) {
  .card {
    padding: var(--space-4);
  }
  .card--product .card__body {
    padding: var(--space-3);
  }
}

.card {
  background: var(--color-bg-alt);
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border-left: 4px solid var(--color-primary);
  transition: transform 0.2s, box-shadow 0.2s, border-left-color 0.2s;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-left-color: var(--pop-magenta);
}

.card__icon {
  font-size: var(--text-2xl);
  font-weight: var(--weight-semibold);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  line-height: 1.2;
}

.card__title {
  margin: 0 0 var(--space-2);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
}

.card__text {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: var(--line-relaxed);
}

.card__meta {
  margin: var(--space-2) 0 var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* Product card with image */
.card--product {
  padding: 0;
  overflow: hidden;
}
.card--product .card__img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.card--product .card__body {
  padding: var(--space-6);
}
.card--product .card__title {
  font-size: var(--text-base);
}

/* ---------- 8. FORM ---------- */
.form {
  max-width: 100%;
}
.form--grid {
  max-width: 100%;
}
.form__row {
  display: grid;
  gap: var(--space-5);
}
.form__row--2 {
  grid-template-columns: 1fr;
}
@media (min-width: 600px) {
  .form__row--2 {
    grid-template-columns: 1fr 1fr;
  }
}
.form__optional {
  font-weight: var(--weight-normal);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.form__group {
  margin-bottom: var(--space-5);
}
.form__group--checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}
.form__group--checkbox input[type="checkbox"] {
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.2rem;
  flex-shrink: 0;
  accent-color: var(--color-primary);
  cursor: pointer;
}
.form__group--checkbox label {
  margin-bottom: 0;
  font-weight: var(--weight-normal);
  font-size: var(--text-sm);
  line-height: var(--line-relaxed);
  cursor: pointer;
}
.btn--submit {
  width: 100%;
  max-width: 280px;
}
@media (min-width: 768px) {
  .btn--submit {
    width: auto;
  }
}
.form__group label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: var(--weight-medium);
  color: var(--color-text);
}
.form__input {
  width: 100%;
  min-height: 48px;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font);
  font-size: var(--text-base);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg-alt);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form__input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(22, 51, 91, 0.15);
}
.form__input::placeholder {
  color: var(--color-text-muted);
  opacity: 0.8;
}
.form__textarea {
  min-height: 120px;
  resize: vertical;
  padding: var(--space-4);
}
@media (max-width: 480px) {
  .form {
    max-width: 100%;
  }
  .form__input {
    min-height: 44px;
    font-size: 16px;
  }
  .form__textarea {
    min-height: 100px;
  }
}

/* Testimonios (scroll-snap) */
.section--testimonials .section__title::after {
  margin-bottom: var(--space-2);
}
.testimonials__shell {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  max-width: 900px;
  margin: 0 auto;
}
.testimonials__track {
  display: flex;
  gap: var(--space-6);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: var(--space-2) 0 var(--space-4);
  flex: 1;
  -webkit-overflow-scrolling: touch;
}
.testimonials__track:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
}
.testimonials__card {
  flex: 0 0 min(100%, 380px);
  scroll-snap-align: start;
  margin: 0;
  padding: var(--space-8);
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
}
.testimonials__quote {
  margin: 0 0 var(--space-4);
  font-size: var(--text-base);
  line-height: var(--line-relaxed);
  color: var(--color-text);
}
.testimonials__meta {
  margin: 0;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text-muted);
}
.testimonials__nav {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--color-primary);
  background: var(--color-bg-alt);
  color: var(--color-primary);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, color 0.2s;
}
.testimonials__nav:hover {
  background: var(--color-primary);
  color: var(--color-white);
}
.testimonials__nav:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}
@media (max-width: 600px) {
  .testimonials__shell {
    gap: 0;
  }
  .testimonials__nav {
    display: none;
  }
  .testimonials__track {
    width: 100%;
  }
  .testimonials__card {
    flex: 0 0 100%;
  }
}

/* ---------- 9. CONTACT ---------- */
.contact__grid {
  display: grid;
  gap: var(--space-12);
  align-items: start;
}
@media (min-width: 768px) {
  .contact__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    max-width: 960px;
    margin: 0 auto;
    align-items: start;
  }
}
.contact__info p {
  margin: 0 0 var(--space-4);
  color: var(--color-text-muted);
}
.contact__info .btn {
  margin-top: var(--space-4);
}
@media (max-width: 480px) {
  .contact__grid {
    gap: var(--space-8);
  }
  .contact__info .btn {
    width: 100%;
    max-width: 100%;
  }
}

/* ---------- 10. FOOTER ---------- */
.footer {
  background: var(--color-primary-dark);
  color: var(--color-white);
  margin-top: var(--space-16);
}

.footer__inner {
  display: grid;
  gap: var(--space-10);
  padding-top: var(--space-16);
  padding-bottom: var(--space-10);
}
@media (min-width: 1024px) {
  .footer__inner {
    grid-template-columns: minmax(200px, 1.1fr) repeat(3, minmax(140px, 1fr));
    gap: var(--space-10);
    align-items: start;
  }
}
@media (min-width: 768px) and (max-width: 1023px) {
  .footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-10);
  }
  .footer__brand {
    grid-column: 1 / -1;
  }
}
@media (max-width: 767px) {
  .footer {
    margin-top: var(--space-12);
  }
  .footer__inner {
    padding-top: var(--space-12);
    padding-bottom: var(--space-8);
    gap: var(--space-8);
  }
}
@media (max-width: 480px) {
  .footer__inner {
    padding-top: var(--space-8);
    padding-bottom: var(--space-6);
    gap: var(--space-6);
  }
  .footer__logo {
    max-width: 120px;
  }
  .footer__desc {
    font-size: var(--text-xs);
    max-width: 100%;
  }
  .footer__bottom {
    padding: var(--space-3) 0;
  }
  .footer__bottom .container {
    flex-direction: column;
    gap: var(--space-1);
  }
  .footer__bottom p {
    font-size: 0.75rem;
    text-align: center;
  }
}

.footer__logo {
  max-width: 140px;
  margin-bottom: var(--space-4);
  border-radius: var(--radius-sm);
}

.footer__desc {
  font-size: var(--text-sm);
  line-height: var(--line-relaxed);
  color: rgba(255, 255, 255, 0.9);
  margin: 0 0 var(--space-4);
  max-width: 320px;
}

.footer__social {
  display: flex;
  gap: var(--space-4);
}
.footer__social a {
  color: var(--color-white);
  font-weight: var(--weight-medium);
  padding: var(--space-2) 0;
}
.footer__social a:hover {
  color: var(--color-accent);
  text-decoration: none;
}
.footer__social a:focus-visible {
  outline: 2px solid var(--color-white);
  outline-offset: 2px;
}

.footer__title {
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  margin: 0 0 var(--space-4);
  color: var(--color-white);
}

.footer__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer__list li {
  margin-bottom: var(--space-2);
}
.footer__col a {
  color: rgba(255, 255, 255, 0.9);
}
.footer__col a:hover {
  color: var(--color-accent);
  text-decoration: none;
}
.footer__legal-links {
  margin: var(--space-4) 0 var(--space-2);
  font-size: var(--text-sm);
}
.footer__legal-links a {
  color: rgba(255, 255, 255, 0.95);
}
.footer__contact-line {
  margin: 0 0 var(--space-2);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.9);
}
.footer__contact-line a {
  color: var(--color-white);
}
.footer__contact-line a:hover {
  color: var(--color-accent);
  text-decoration: none;
}
.footer__note {
  margin: var(--space-3) 0 0;
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.55);
  line-height: var(--line-normal);
  max-width: 240px;
}

.footer__bottom {
  background: rgba(0, 0, 0, 0.25);
  padding: var(--space-4) 0;
  text-align: center;
}
.footer__bottom .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
}
.footer__bottom p {
  margin: 0;
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.85);
}
.footer__bottom a {
  color: rgba(255, 255, 255, 0.9);
}
.footer__bottom a:hover {
  color: var(--color-accent);
  text-decoration: none;
}
@media (max-width: 480px) {
  .footer__bottom a {
    display: inline-block;
  }
}

/* ---------- 11. WHATSAPP FLOAT ---------- */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 999;
  min-width: 56px;
  min-height: 56px;
  padding: var(--space-3);
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5);
  transition: transform 0.2s, box-shadow 0.2s;
}
.whatsapp-float:hover {
  transform: scale(1.08);
  color: var(--color-white);
  text-decoration: none;
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.55);
}
.whatsapp-float:focus-visible {
  outline: 2px solid var(--color-white);
  outline-offset: 3px;
}
@media (max-width: 480px) {
  .whatsapp-float {
    bottom: var(--space-4);
    right: var(--space-4);
    min-width: 52px;
    min-height: 52px;
    padding: var(--space-2);
    font-size: 0.7rem;
  }
}
@media (max-width: 320px) {
  .whatsapp-float {
    bottom: var(--space-3);
    right: var(--space-3);
    min-width: 48px;
    min-height: 48px;
  }
}

/* ---------- 12. Responsive: refuerzo global ---------- */
main {
  overflow-x: clip;
  width: 100%;
}

@media (min-width: 1024px) {
  .cards--4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 601px) and (max-width: 1023px) {
  .cards--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .cards--products {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .section--cta {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
  }
  .section--cta__lead {
    font-size: var(--text-base);
  }
}

@media (max-width: 480px) {
  .section--cta__lead {
    padding-left: var(--space-2);
    padding-right: var(--space-2);
  }
  .btn--cta {
    width: 100%;
    max-width: 22rem;
    margin-left: auto;
    margin-right: auto;
    display: flex;
  }
  .section--cta__title {
    font-size: clamp(1.2rem, 5vw, 1.5rem);
  }
}

@media (max-height: 520px) and (orientation: landscape) {
  .hero {
    min-height: auto;
    padding-bottom: var(--space-8);
  }
  .hero__content {
    padding-top: var(--space-4);
    padding-bottom: var(--space-4);
  }
  .hero__logo {
    max-width: 72px;
    margin-bottom: var(--space-2);
  }
  .hero__title {
    font-size: clamp(1rem, 3vw, 1.35rem);
  }
  .hero__subtitle {
    margin-bottom: var(--space-4);
  }
}

.whatsapp-float {
  bottom: max(var(--space-6), env(safe-area-inset-bottom, 0px));
  right: max(var(--space-6), env(safe-area-inset-right, 0px));
}

@media (max-width: 480px) {
  .whatsapp-float {
    bottom: max(var(--space-4), env(safe-area-inset-bottom, 0px));
    right: max(var(--space-4), env(safe-area-inset-right, 0px));
  }
}

.testimonials__card {
  padding: clamp(var(--space-4), 3vw, var(--space-8));
}

@media (max-width: 480px) {
  .footer__social {
    flex-wrap: wrap;
  }
  .footer__legal-links,
  .footer__note {
    max-width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .card:hover,
  .btn:hover,
  .whatsapp-float:hover {
    transform: none;
  }
  .nav,
  .nav.nav--open {
    transition: none;
  }
}

@media print {
  .header,
  .whatsapp-float,
  .nav-toggle {
    display: none !important;
  }
  .hero {
    min-height: auto;
    margin-top: 0;
    break-inside: avoid;
  }
  body {
    background: #fff;
  }
}