/* ============================================================
   HIDROTACK S.A. — Design System v2
   Typography : Syne (700/800) · DM Sans (400/500/700/900)
   Palette    : Deep Ocean · Electric Cyan · Warm Gold
   ============================================================ */

/* --------------------------------------------------------
   CSS VARIABLES
   -------------------------------------------------------- */
:root {
  /* Brand colors */
  --cyan:       #00C2CB;
  --cyan-dark:  #008F97;
  --cyan-glow:  rgba(0, 194, 203, 0.18);
  --cyan-line:  rgba(0, 194, 203, 0.24);
  --gold:       #E8A830;

  /* Dark surfaces */
  --ocean:      #040D18;
  --navy:       #071726;
  --slate:      #0D2438;

  /* Light surfaces */
  --paper:      #F1F5F9;
  --surface:    #E8EEF5;
  --white:      #FFFFFF;

  /* Text */
  --ink:        #0B1F30;
  --ink-strong: #040D18;
  --muted:      #5A748A;
  --subtle:     #8BA4B6;

  /* Borders */
  --line:       rgba(11, 31, 48, 0.1);
  --line-dark:  rgba(255, 255, 255, 0.1);

  /* Shadows */
  --shadow-sm:  0 2px 8px  rgba(4, 13, 24, 0.07);
  --shadow-md:  0 8px 32px rgba(4, 13, 24, 0.11);
  --shadow-lg:  0 20px 60px rgba(4, 13, 24, 0.16);
  --shadow-xl:  0 32px 80px rgba(4, 13, 24, 0.22);

  /* Radii */
  --r-sm:  8px;
  --r-md:  14px;
  --r-lg:  20px;
  --r-xl:  28px;

  /* Typography */
  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', ui-sans-serif, system-ui, sans-serif;

  /* Layout */
  --header-h: 70px;
  --gutter:   clamp(20px, 5vw, 80px);
  --section-v: clamp(72px, 10vw, 128px);
}


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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.menu-open { overflow: hidden; }

img, svg { display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3 {
  margin-top: 0;
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  line-height: 0.96;
  overflow-wrap: break-word;
}
p { margin-top: 0; }

.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;
}


/* --------------------------------------------------------
   HEADER
   -------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 var(--gutter);
  background: rgba(4, 13, 24, 0.82);
  border-bottom: 1px solid rgba(0, 194, 203, 0.12);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

/* Brand */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}

.brand strong {
  display: block;
  color: var(--white);
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.01em;
}

.brand small {
  display: block;
  color: rgba(255, 255, 255, 0.46);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 50% 50% 50% 8px;
  transform: rotate(-45deg);
  background:
    radial-gradient(circle at 64% 31%, rgba(255,255,255,0.96) 0 10%, transparent 11%),
    linear-gradient(145deg, var(--cyan) 0%, #1AD98C 100%);
  box-shadow:
    0 0 0 1px rgba(0, 194, 203, 0.38),
    0 6px 20px rgba(0, 194, 203, 0.28);
}

/* Nav */
.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 1.8vw, 26px);
}

.site-nav a {
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: color 160ms ease;
}

.site-nav a:hover { color: var(--white); }

.nav-cta {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 20px;
  color: var(--ocean) !important;
  background: var(--white);
  border-radius: 999px;
  font-weight: 700 !important;
  letter-spacing: 0 !important;
  transition: background 200ms ease, color 200ms ease, box-shadow 200ms ease !important;
}

.nav-cta:hover {
  background: var(--cyan) !important;
  box-shadow: 0 4px 20px rgba(0, 194, 203, 0.36) !important;
}

/* Hamburger */
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, 0.06);
  cursor: pointer;
}

.menu-toggle span:not(.sr-only) {
  width: 18px;
  height: 1.5px;
  background: var(--white);
  border-radius: 99px;
}


/* --------------------------------------------------------
   HERO
   -------------------------------------------------------- */
.hero {
  position: relative;
  min-height: calc(100svh - var(--header-h));
  overflow: hidden;
  display: grid;
  align-items: center;
  padding: clamp(72px, 8vw, 118px) var(--gutter) clamp(96px, 10vw, 150px);
  background: var(--ocean);
}

/* Rule line at top */
.hero::before {
  content: "";
  position: absolute;
  top: clamp(36px, 6vw, 72px);
  left: var(--gutter);
  right: var(--gutter);
  z-index: 3;
  height: 1px;
  background: linear-gradient(
    90deg,
    rgba(0, 194, 203, 0.7) 0%,
    rgba(255, 255, 255, 0.22) 36%,
    transparent 72%
  );
}

/* Decorative arc */
.hero::after {
  content: "";
  position: absolute;
  left: clamp(16px, 3.5vw, 50px);
  top: 22%;
  z-index: 3;
  width: clamp(96px, 11vw, 156px);
  aspect-ratio: 1;
  border: 1.5px solid rgba(0, 194, 203, 0.38);
  border-right-color: transparent;
  border-radius: 50%;
  pointer-events: none;
}

.hero-image,
.hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  z-index: 0;
  object-fit: cover;
  object-position: center center;
  transform: scale(1.04);
  transform-origin: center;
  animation: heroDrift 22s ease-in-out infinite alternate;
  will-change: transform;
}

@keyframes heroDrift {
  from { transform: scale(1.04) translate3d(-0.8%, 0, 0); }
  to   { transform: scale(1.08) translate3d(0.9%, -0.6%, 0); }
}

.hero-overlay {
  z-index: 2;
  background:
    linear-gradient(100deg,
      rgba(4, 13, 24, 0.96) 0%,
      rgba(4, 13, 24, 0.74) 38%,
      rgba(4, 13, 24, 0.12) 70%,
      transparent 100%
    ),
    linear-gradient(0deg,
      rgba(4, 13, 24, 0.44) 0%,
      transparent 52%
    );
}

.hero-content {
  position: relative;
  z-index: 4;
  width: min(620px, 100%);
  padding-top: clamp(40px, 5vw, 64px);
}

/* Staggered fade-in */
.hero-content > * {
  animation: fadeUp 0.72s cubic-bezier(0.22, 1, 0.36, 1) both;
}
.hero-content > *:nth-child(1) { animation-delay: 0.08s; }
.hero-content > *:nth-child(2) { animation-delay: 0.2s; }
.hero-content > *:nth-child(3) { animation-delay: 0.32s; }
.hero-content > *:nth-child(4) { animation-delay: 0.44s; }
.hero-content > *:nth-child(5) { animation-delay: 0.56s; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Eyebrow */
.eyebrow {
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

/* Headings */
h1 {
  margin-bottom: 24px;
  color: var(--white);
  font-size: clamp(3rem, 7vw, 6.4rem);
}

h1 em {
  font-style: normal;
  color: var(--cyan);
}

h2 {
  margin-bottom: 20px;
  color: var(--ink-strong);
  font-size: clamp(2rem, 3.8vw, 3.6rem);
}

h3 {
  margin-bottom: 10px;
  color: var(--ink-strong);
  font-size: 1.08rem;
  font-weight: 700;
  line-height: 1.2;
}

.hero-lede {
  max-width: 52ch;
  color: rgba(255, 255, 255, 0.76);
  font-size: clamp(1rem, 1.8vw, 1.18rem);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.hero-rental-note {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  max-width: 560px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.hero-rental-note li {
  padding: 9px 13px;
  color: rgba(255, 255, 255, 0.78);
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  backdrop-filter: blur(12px);
}


/* --------------------------------------------------------
   BUTTONS
   -------------------------------------------------------- */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 28px;
  border: 0;
  border-radius: 999px;
  font: 700 0.93rem/1 var(--font-body);
  letter-spacing: 0.02em;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 200ms ease, box-shadow 200ms ease, background 200ms ease;
}

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

.button--primary {
  color: var(--ocean);
  background: var(--white);
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.2);
}

.button--primary:hover {
  background: var(--cyan);
  box-shadow: 0 14px 38px rgba(0, 194, 203, 0.36);
}

.button--ghost {
  color: var(--white);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.26);
  backdrop-filter: blur(12px);
}

.button--ghost:hover {
  background: rgba(255, 255, 255, 0.13);
  border-color: rgba(255, 255, 255, 0.42);
}


/* --------------------------------------------------------
   HERO CERTIFICATION SEALS
   -------------------------------------------------------- */
.hero-cert-seals {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  max-width: 560px;
  margin: 38px 0 0;
}

.hero-cert-seals div {
  display: grid;
  justify-items: center;
  gap: 11px;
  padding: 18px 16px 16px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.035)),
    rgba(4, 13, 24, 0.5);
  border: 1px solid rgba(0, 194, 203, 0.3);
  border-radius: 22px;
  backdrop-filter: blur(16px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
  transition: border-color 250ms ease, background 250ms ease, transform 250ms ease;
}

.hero-cert-seals div:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 194, 203, 0.56);
  background: rgba(0, 194, 203, 0.07);
}

.hero-cert-seals dt {
  margin: 0;
}

.seal-mark {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 82px;
  aspect-ratio: 1;
  color: var(--white);
  background:
    radial-gradient(circle at 50% 42%, rgba(255, 255, 255, 0.16), transparent 46%),
    linear-gradient(145deg, rgba(0, 194, 203, 0.22), rgba(255, 255, 255, 0.04));
  border: 2px solid rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  font-family: var(--font-display);
  font-size: 1.24rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  box-shadow:
    0 0 0 5px rgba(0, 194, 203, 0.12),
    0 12px 30px rgba(0, 0, 0, 0.28);
}

.seal-mark::before,
.seal-mark::after {
  content: "";
  position: absolute;
  inset: 7px;
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: inherit;
}

.seal-mark::after {
  inset: 13px;
  border-color: rgba(0, 194, 203, 0.42);
}

.seal-mark span {
  display: block;
  margin-top: 2px;
  font-family: var(--font-body);
  font-size: 0.66rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.seal-mark--ce {
  font-size: 1.7rem;
  letter-spacing: 0.03em;
}

.seal-mark--rohs {
  font-size: 1.02rem;
}

.hero-cert-seals dd {
  margin: 0;
  color: rgba(255, 255, 255, 0.64);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-align: center;
}


/* --------------------------------------------------------
   PROBLEM STRIP
   -------------------------------------------------------- */
.problem-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: clamp(26px, 4vw, 54px) var(--gutter) 0;
}

.strip-item {
  padding: 28px 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-md);
  transition: transform 260ms ease, box-shadow 260ms ease;
}

.strip-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.strip-icon,
.card-icon {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 16px;
  color: var(--cyan-dark);
  background: var(--cyan-glow);
  border-radius: var(--r-sm);
}

.strip-icon svg,
.card-icon svg {
  width: 20px;
  height: 20px;
}

.strip-item strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ink-strong);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
}

.strip-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.6;
}


/* --------------------------------------------------------
   SECTION BASE
   -------------------------------------------------------- */
.section {
  padding: var(--section-v) var(--gutter);
}

.section-copy {
  max-width: 640px;
}

.section-copy p:not(.eyebrow) {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.72;
  max-width: 56ch;
}


/* --------------------------------------------------------
   BENEFITS (intro)
   -------------------------------------------------------- */
.section--intro {
  display: grid;
  grid-template-columns: minmax(240px, 0.75fr) minmax(320px, 1.25fr);
  gap: clamp(40px, 7vw, 100px);
  align-items: start;
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.benefit-card {
  padding: 28px 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: transform 260ms ease, box-shadow 260ms ease, border-color 260ms ease;
}

.benefit-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--cyan);
}

.benefit-card h3 { font-size: 0.98rem; }

.benefit-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.65;
}


/* --------------------------------------------------------
   FAMILY CARE
   -------------------------------------------------------- */
.section--family {
  display: grid;
  grid-template-columns: minmax(300px, 0.95fr) minmax(320px, 1.05fr);
  gap: clamp(32px, 5vw, 76px);
  align-items: center;
  background:
    linear-gradient(180deg, rgba(223, 247, 250, 0.52), rgba(255, 255, 255, 0.98)),
    var(--paper);
  border-top: 1px solid var(--line);
}

.family-copy {
  max-width: 640px;
}

.family-copy p:not(.eyebrow),
.family-points p {
  color: var(--muted);
  line-height: 1.72;
}

.family-copy > p:not(.eyebrow) {
  max-width: 58ch;
  font-size: 1.05rem;
}

.family-points {
  display: grid;
  gap: 12px;
  margin-top: 32px;
}

.family-points article {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 16px;
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(0, 92, 112, 0.1);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-sm);
}

.family-points span {
  grid-row: span 2;
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  color: var(--cyan-dark);
  background: var(--cyan-glow);
  border-radius: 50%;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 800;
}

.family-points h3 {
  margin: 0 0 4px;
}

.family-points p {
  margin: 0;
  font-size: 0.9rem;
}

.family-photo {
  height: clamp(360px, 42vw, 560px);
  border: 1px solid rgba(0, 92, 112, 0.12);
  box-shadow: var(--shadow-xl);
}


/* --------------------------------------------------------
   EQUIPMENT
   -------------------------------------------------------- */
.section--split {
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.equipment-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 52px;
}

.equipment-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform 260ms ease, box-shadow 260ms ease;
}

.equipment-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.equipment-visual {
  height: clamp(260px, 28vw, 360px);
  overflow: hidden;
  background: var(--slate);
  position: relative;
}

.product-photo {
  padding: 0;
  background: #DDE6EF;
}

.product-photo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  transition: transform 600ms cubic-bezier(0.22, 1, 0.36, 1);
}

.equipment-card:hover .product-photo img {
  transform: scale(1.06);
}

.under-counter-photo { background: #D4DFE9; }
.counter-top-photo   { background: #DAE5EE; }

.equipment-copy {
  padding: 26px 28px 30px;
}

.label {
  display: block;
  margin: 0 0 8px;
  color: var(--cyan-dark);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.equipment-copy p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.65;
}


/* --------------------------------------------------------
   SUBSCRIPTION PRICING
   -------------------------------------------------------- */
.section--pricing {
  background: var(--ocean);
  position: relative;
  overflow: hidden;
}

/* Top glow */
.section--pricing::before {
  content: "";
  position: absolute;
  top: -30%;
  left: 50%;
  translate: -50% 0;
  width: 70%;
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(0, 194, 203, 0.08) 0%, transparent 65%);
  pointer-events: none;
}

.section--pricing .eyebrow { color: var(--cyan); opacity: 0.9; }

.pricing-header-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 4vw, 64px);
  align-items: end;
  margin-bottom: 52px;
}

.pricing-header-wrap h2 { color: var(--white); margin-bottom: 0; }

.pricing-intro {
  color: rgba(255, 255, 255, 0.58);
  font-size: 1rem;
  line-height: 1.75;
  margin: 0;
  padding-top: 0.25em;
}

/* Grid: 3 cards */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  align-items: start;
}

/* Card base */
.pricing-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 32px 28px 28px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--r-xl);
  transition: border-color 260ms ease, background 260ms ease, transform 260ms ease;
}

.pricing-card:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateY(-4px);
}

/* Featured card */
.pricing-card--featured {
  background: var(--white);
  border-color: transparent;
  box-shadow: 0 24px 64px rgba(0, 194, 203, 0.2), 0 4px 16px rgba(0, 0, 0, 0.18);
  transform: translateY(-8px);
}

.pricing-card--featured:hover {
  background: var(--white);
  border-color: var(--cyan);
  transform: translateY(-12px);
  box-shadow: 0 32px 72px rgba(0, 194, 203, 0.28), 0 4px 16px rgba(0, 0, 0, 0.18);
}

/* "Más elegido" badge */
.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  translate: -50% 0;
  display: inline-flex;
  align-items: center;
  height: 28px;
  padding: 0 16px;
  color: var(--ocean);
  background: var(--cyan);
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  box-shadow: 0 4px 14px rgba(0, 194, 203, 0.4);
}

/* Card header block */
.pricing-top { margin-bottom: 28px; }

.pricing-tag {
  margin: 0 0 8px;
  color: var(--cyan);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.pricing-card--featured .pricing-tag { color: var(--cyan-dark); }

.pricing-card h3 {
  color: var(--white);
  font-size: 1.45rem;
  margin-bottom: 8px;
}

.pricing-card--featured h3 { color: var(--ink-strong); }

.pricing-sub {
  margin: 0 0 22px;
  color: rgba(255, 255, 255, 0.52);
  font-size: 0.875rem;
  line-height: 1.6;
}

.pricing-card--featured .pricing-sub { color: var(--muted); }

/* Price display */
.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--r-md);
}

.pricing-card--featured .pricing-price {
  background: var(--surface);
  border-color: var(--line);
}

.price-int {
  color: var(--white);
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
}

.pricing-card--featured .price-int { color: var(--ink-strong); }

.price-period {
  color: rgba(255, 255, 255, 0.44);
  font-size: 0.78rem;
  font-weight: 500;
}

.pricing-card--featured .price-period { color: var(--muted); }

/* Feature list */
.pricing-features {
  display: grid;
  gap: 12px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
  flex: 1;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.875rem;
  line-height: 1.4;
}

.pricing-card--featured .pricing-features li { color: var(--ink); }

.pricing-features svg {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  color: var(--cyan);
}

.pricing-card--featured .pricing-features svg { color: var(--cyan-dark); }

/* Dim/unavailable items */
.pricing-feature--dim {
  opacity: 0.34;
}

.pricing-feature--dim svg { color: var(--subtle) !important; }

/* Outline button variant (for dark bg cards) */
.button--outline {
  color: var(--white);
  background: transparent;
  border: 1.5px solid rgba(255, 255, 255, 0.22);
}

.button--outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.44);
}

/* Featured card button override */
.pricing-card--featured .button--primary {
  color: var(--ocean);
  background: linear-gradient(135deg, var(--cyan), var(--cyan-dark));
  box-shadow: 0 8px 24px rgba(0, 194, 203, 0.32);
}

.pricing-card--featured .button--primary:hover {
  box-shadow: 0 12px 32px rgba(0, 194, 203, 0.48);
}

/* Footer note */
.pricing-note {
  margin: 36px 0 0;
  color: rgba(255, 255, 255, 0.3);
  font-size: 0.8rem;
  line-height: 1.6;
  text-align: center;
}

/* Responsive pricing */
@media (max-width: 1020px) {
  .pricing-header-wrap {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 36px;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 460px;
  }

  .pricing-card--featured {
    order: -1;
    transform: none;
  }

  .pricing-card--featured:hover { transform: translateY(-4px); }
}


/* --------------------------------------------------------
   SERVICE STEPS
   -------------------------------------------------------- */
.section--service {
  background: var(--ocean);
  position: relative;
  overflow: hidden;
}

/* Background glow */
.section--service::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -8%;
  width: 55%;
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(0, 194, 203, 0.07) 0%, transparent 68%);
  pointer-events: none;
}

.section--service .eyebrow { color: var(--cyan); opacity: 0.9; }
.section--service h2       { color: var(--white); }



.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 52px 0 0;
  padding: 0;
  list-style: none;
}

.steps li {
  position: relative;
  padding: 28px 24px 30px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--r-md);
  transition: background 260ms ease, border-color 260ms ease;
}

.steps li:hover {
  background: rgba(0, 194, 203, 0.07);
  border-color: rgba(0, 194, 203, 0.3);
}

/* Connector line */
.steps li:not(:last-child)::after {
  content: "";
  position: absolute;
  right: -8px;
  top: 30px;
  width: 16px;
  height: 1px;
  background: rgba(0, 194, 203, 0.28);
  z-index: 1;
}

.steps span {
  display: inline-block;
  margin-bottom: 44px;
  color: var(--gold);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.steps h3 {
  color: var(--white);
  font-size: 0.98rem;
  margin-bottom: 10px;
}

.steps p {
  margin: 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.875rem;
  line-height: 1.65;
}


/* --------------------------------------------------------
   ASSURANCE
   -------------------------------------------------------- */
.section--assurance {
  display: grid;
  grid-template-columns: minmax(240px, 0.85fr) minmax(320px, 1.15fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: start;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.section--assurance .eyebrow { color: var(--gold); }

.assurance-copy h2 { max-width: 14ch; }

.assurance-body {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.75;
  max-width: 54ch;
  margin: 0;
  padding-top: 0.25em;
}


/* --------------------------------------------------------
   CERTIFICATIONS
   -------------------------------------------------------- */
.section--certifications {
  background: var(--paper);
}

.section--certifications .section-copy {
  margin-bottom: 52px;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.cert-card {
  padding: 28px 24px 30px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: transform 260ms ease, border-color 260ms ease, box-shadow 260ms ease;
}

.cert-card:hover {
  transform: translateY(-5px);
  border-color: var(--cyan);
  box-shadow: var(--shadow-md);
}

.cert-card--main {
  border-color: var(--cyan);
  background: linear-gradient(145deg, rgba(0, 194, 203, 0.06), var(--white));
}

.cert-badge {
  display: inline-flex;
  align-items: center;
  height: 34px;
  padding: 0 14px;
  margin-bottom: 18px;
  color: var(--ocean);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.cert-card--main .cert-badge {
  color: var(--white);
  background: var(--cyan-dark);
  border-color: transparent;
}

.cert-card h3 {
  font-size: 0.92rem;
  margin-bottom: 10px;
}

.cert-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.65;
}


/* --------------------------------------------------------
   FAQ
   -------------------------------------------------------- */
.section--faq {
  display: grid;
  grid-template-columns: minmax(240px, 0.7fr) minmax(320px, 1.3fr);
  gap: clamp(32px, 6vw, 80px);
  background: var(--white);
  border-top: 1px solid var(--line);
}

.faq-list { display: grid; gap: 0; }

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list details:first-child {
  border-top: 1px solid var(--line);
}

.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 2px;
  color: var(--ink-strong);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  transition: color 160ms ease;
}

.faq-list summary::-webkit-details-marker { display: none; }

.faq-list summary:hover { color: var(--cyan-dark); }

/* +/– toggle */
.faq-list summary::after {
  content: "+";
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  color: var(--muted);
  background: var(--surface);
  border-radius: 50%;
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 400;
  transition: background 200ms ease, color 200ms ease, transform 200ms ease;
}

.faq-list details[open] summary::after {
  content: "−";
  background: var(--cyan-glow);
  color: var(--cyan-dark);
  transform: rotate(0deg);
}

.faq-list details p {
  margin: -2px 2px 24px;
  color: var(--muted);
  font-size: 0.93rem;
  line-height: 1.75;
}


/* --------------------------------------------------------
   CTA / CONTACT
   -------------------------------------------------------- */
.cta-section {
  display: grid;
  grid-template-columns: minmax(240px, 0.88fr) minmax(320px, 1.12fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: start;
  padding: var(--section-v) var(--gutter);
  background: linear-gradient(145deg, var(--navy) 0%, var(--slate) 100%);
  position: relative;
  overflow: hidden;
}

/* Glow orb */
.cta-section::before {
  content: "";
  position: absolute;
  bottom: -40%;
  right: -8%;
  width: 52%;
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(0, 194, 203, 0.1) 0%, transparent 68%);
  pointer-events: none;
}

.cta-section .eyebrow  { color: var(--cyan); opacity: 0.9; }
.cta-section h2        { color: var(--white); }

.cta-copy > p {
  color: rgba(255, 255, 255, 0.66) !important;
  max-width: 46ch;
}

.cta-checklist {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.cta-checklist li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
}

.cta-checklist li::before {
  content: "";
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  background:
    url("data:image/svg+xml,%3Csvg viewBox='0 0 18 18' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='9' cy='9' r='9' fill='rgba(0,194,203,0.18)'/%3E%3Cpath d='M5 9l3 3 5-5' stroke='%2300C2CB' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")
    center / contain no-repeat;
}

/* Form card */
.contact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: clamp(24px, 4vw, 40px);
  background: var(--white);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-xl);
}

.form-row { display: grid; gap: 7px; }

.form-row label {
  color: var(--ink-strong);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.form-row input {
  width: 100%;
  min-height: 50px;
  padding: 0 16px;
  color: var(--ink);
  background: var(--paper);
  border: 1.5px solid rgba(11, 31, 48, 0.12);
  border-radius: var(--r-sm);
  font: 400 0.93rem/1 var(--font-body);
  outline: 0;
  transition: border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.form-row input::placeholder { color: var(--subtle); }

.form-row input:focus {
  background: var(--white);
  border-color: var(--cyan);
  box-shadow: 0 0 0 4px rgba(0, 194, 203, 0.12);
}

.form-row input.is-invalid {
  border-color: #DC4A3A;
  box-shadow: 0 0 0 4px rgba(220, 74, 58, 0.1);
}

.form-button,
.form-note { grid-column: 1 / -1; }

.form-button {
  width: 100%;
  color: var(--white) !important;
  background: linear-gradient(135deg, var(--cyan), var(--cyan-dark)) !important;
  box-shadow: 0 10px 30px rgba(0, 194, 203, 0.3) !important;
}

.form-button:hover {
  box-shadow: 0 14px 38px rgba(0, 194, 203, 0.46) !important;
}

.form-note {
  min-height: 20px;
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.form-note.success {
  color: #059669;
  font-weight: 700;
}

.form-note.error {
  color: #DC4A3A;
  font-weight: 700;
}


/* --------------------------------------------------------
   FOOTER
   -------------------------------------------------------- */
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 32px var(--gutter);
  background: var(--ocean);
  border-top: 1px solid rgba(0, 194, 203, 0.08);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.footer-brand strong {
  display: block;
  color: var(--white);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
}

.footer-brand p {
  margin: 4px 0 0;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.8rem;
  line-height: 1.5;
}

.footer-copy {
  margin: 0;
  color: rgba(255, 255, 255, 0.3);
  font-size: 0.8rem;
}


/* ============================================================
   SECTION PHOTOS
   Imágenes decorativas integradas en cada sección
   ============================================================ */

.section-photo {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  line-height: 0;
  position: relative;
}

.section-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 600ms cubic-bezier(0.22, 1, 0.36, 1);
}

.section-photo:hover img {
  transform: scale(1.04);
}

/* Benefits — portrait, ocupa el ancho de la columna izquierda */
.benefits-photo {
  margin-top: 28px;
  height: clamp(200px, 22vw, 300px);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
}

/* Pricing — franja horizontal ancha entre header y cards */
.pricing-photo {
  height: clamp(180px, 18vw, 260px);
  margin-bottom: 44px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  /* Overlay sutil para mantener legibilidad del cyan sobre la imagen */
  box-shadow: inset 0 0 0 1px rgba(0, 194, 203, 0.12);
}

/* Service — imagen al lado del encabezado */
.service-heading {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
  margin-bottom: 52px;
}

.service-heading-copy { /* heredado, no necesita estilos extra */ }

.service-photo {
  height: clamp(200px, 22vw, 300px);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Assurance — imagen encima del texto en columna derecha */
.assurance-right {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.assurance-photo {
  height: clamp(180px, 18vw, 240px);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
}

/* Certifications — imagen debajo del copy en columna izquierda */
.section--certifications {
  display: grid;
  grid-template-columns: minmax(240px, 0.7fr) minmax(320px, 1.3fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
  background: var(--paper);
}

.section--certifications .section-copy {
  margin-bottom: 0; /* reset: ya no es full-width */
}

.cert-photo {
  margin-top: 24px;
  height: clamp(160px, 16vw, 220px);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}

/* FAQ — imagen debajo del copy en columna izquierda */
.faq-photo {
  margin-top: 24px;
  height: clamp(180px, 18vw, 240px);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}

/* Responsive: colapsar a 1 col */
@media (max-width: 980px) {
  .section--certifications {
    grid-template-columns: 1fr;
  }

  .section--certifications .cert-grid {
    margin-top: 0;
  }

  .service-heading {
    grid-template-columns: 1fr;
    margin-bottom: 36px;
  }

  .service-photo { height: clamp(180px, 40vw, 260px); }
}

@media (max-width: 760px) {
  .benefits-photo,
  .assurance-photo,
  .cert-photo,
  .faq-photo  { height: clamp(160px, 42vw, 220px); }

  .family-photo { height: clamp(260px, 70vw, 330px); }

  .pricing-photo { height: clamp(140px, 38vw, 200px); }
}


/* ============================================================
   RESPONSIVE
   ============================================================ */

/* 1100px — cert grid goes 2-col */
@media (max-width: 1100px) {
  .cert-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* 980px — single column for most grids */
@media (max-width: 980px) {
  .section--intro,
  .section--family,
  .section--assurance,
  .section--faq,
  .cta-section {
    grid-template-columns: 1fr;
  }

  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .steps li:not(:last-child)::after {
    display: none;
  }

  .equipment-grid {
    grid-template-columns: 1fr;
    max-width: 520px;
  }

  .section--certifications .section-copy {
    max-width: 100%;
    margin-bottom: 36px;
  }
}

/* 760px — mobile layout */
@media (max-width: 760px) {
  :root {
    --header-h:  64px;
    --gutter:    18px;
    --section-v: clamp(52px, 9vw, 80px);
  }

  /* Mobile nav */
  .menu-toggle {
    display: inline-flex;
    position: relative;
    z-index: 30;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    display: grid;
    gap: 0;
    padding: 12px 18px 20px;
    background: rgba(4, 13, 24, 0.98);
    border-bottom: 1px solid rgba(0, 194, 203, 0.14);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.32);
    transform: translateY(calc(-100% - var(--header-h)));
    transition: transform 260ms cubic-bezier(0.22, 1, 0.36, 1);
    backdrop-filter: blur(24px);
  }

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

  .site-nav a {
    padding: 15px 4px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    font-size: 0.95rem;
  }

  .nav-cta {
    justify-content: center;
    margin-top: 14px;
    border: 0 !important;
  }

  /* Hero */
  .hero {
    min-height: auto;
    padding: 36px 18px 70px;
  }

  .hero-content {
    width: 100%;
    max-width: min(100%, 340px);
    padding-top: clamp(56px, 14vw, 92px);
  }

  .hero-content .eyebrow,
  .hero-lede {
    max-width: 100%;
  }

  .hero-lede {
    font-size: 1rem;
    line-height: 1.62;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .button { width: 100%; }

  .hero-image { object-position: 55% center; }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(4,13,24,0.92) 0%, rgba(4,13,24,0.68) 64%, rgba(4,13,24,0.12) 100%),
      linear-gradient(0deg, rgba(4,13,24,0.46), transparent 52%);
  }

  /* Certification seals */
  .hero-cert-seals {
    grid-template-columns: 1fr;
    max-width: 100%;
  }

  .hero-cert-seals div {
    grid-template-columns: auto 1fr;
    justify-items: start;
    align-items: center;
    padding: 14px 16px;
  }

  .seal-mark {
    width: 66px;
  }

  .hero-cert-seals dd {
    text-align: left;
  }

  /* Problem strip */
  .problem-strip {
    grid-template-columns: 1fr;
    margin-inline: 18px;
    margin-top: 22px;
  }

  /* Benefit & step grids */
  .benefit-grid,
  .steps,
  .contact-form,
  .cert-grid {
    grid-template-columns: 1fr;
  }

  /* Footer */
  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
}

/* 480px — scale down headlines */
@media (max-width: 480px) {
  h1 { font-size: clamp(2.35rem, 13vw, 2.8rem); }
  h2 { font-size: 1.95rem; }

  .equipment-visual { height: 220px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .hero-image {
    animation: none;
    transform: scale(1.04);
  }

  .hero-content > * {
    animation: none;
    opacity: 1;
    transform: none;
  }
}


/* ============================================================
   REVEAL ON SCROLL
   Los elementos arrancan ocultos; app.js agrega .is-visible
   cuando entran al viewport.
   ============================================================ */

.strip-item,
.benefit-card,
.equipment-card,
.pricing-card,
.cert-card,
.steps li,
.faq-list details {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.55s cubic-bezier(0.22, 1, 0.36, 1) var(--reveal-delay, 0ms),
    transform 0.55s cubic-bezier(0.22, 1, 0.36, 1) var(--reveal-delay, 0ms),
    box-shadow 260ms ease,
    border-color 260ms ease;
}

.strip-item.is-visible,
.benefit-card.is-visible,
.equipment-card.is-visible,
.pricing-card.is-visible,
.cert-card.is-visible,
.steps li.is-visible,
.faq-list details.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .strip-item,
  .benefit-card,
  .equipment-card,
  .pricing-card,
  .cert-card,
  .steps li,
  .faq-list details {
    opacity: 1;
    transform: none;
    transition: box-shadow 260ms ease, border-color 260ms ease;
  }
}