/* ==========================================================================
   Sonrisa Studio, Design System
   One accent (teal), one type family (Cabinet Grotesk), one radius system
   (pill for interactive controls, 20px for panels, 12px for inputs).
   ========================================================================== */

:root {
  /* Color: ink / paper */
  --ink: #0e201f;
  --ink-soft: #22403d;
  --text-secondary: #45605d;
  --text-tertiary: #7a908d;
  --paper: #fcfefe;
  --surface: #ffffff;
  --surface-alt: #f3faf9;
  --surface-alt-2: #eaf6f5;
  --border-hairline: #dcebe9;
  --border-hairline-strong: #c6dedb;

  /* Color: accent (single accent, two shades) */
  --accent: #0a6e69;
  --accent-strong: #085550;
  --accent-soft: #0e8c86;
  --accent-tint-100: #e1f3f1;
  --accent-tint-50: #f1faf9;

  /* Functional colors (not competing accents) */
  --whatsapp: #25d366;
  --whatsapp-strong: #1fbd59;
  --star: #f5a623;

  /* Shadows: diffuse, tinted, never harsh */
  --shadow-sm: 0 2px 10px rgba(14, 32, 31, 0.06);
  --shadow-md: 0 14px 34px rgba(14, 32, 31, 0.09);
  --shadow-lg: 0 26px 60px rgba(14, 32, 31, 0.13);
  --shadow-accent: 0 14px 32px rgba(10, 110, 105, 0.28);
  --shadow-whatsapp: 0 14px 30px rgba(37, 211, 102, 0.35);

  /* Radius system (documented, locked) */
  --r-pill: 999px;   /* buttons, chips, tags, floating controls */
  --r-panel: 20px;   /* cards, panels, images */
  --r-panel-lg: 28px;/* hero visual, large containers */
  --r-input: 12px;   /* form inputs, small tiles */

  /* Spacing rhythm */
  --section-y: clamp(4rem, 4rem + 3vw, 7rem);
  --container-w: 1200px;
  --container-pad: clamp(1.25rem, 1rem + 2vw, 2.5rem);

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --dur-fast: 160ms;
  --dur-base: 240ms;
  --dur-slow: 420ms;

  /* Type */
  --font-sans: "Cabinet Grotesk", "Segoe UI", system-ui, -apple-system, sans-serif;
}

/* ==========================================================================
   Reset
   ========================================================================== */

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

* {
  margin: 0;
}

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  min-height: 100dvh;
  font-family: var(--font-sans);
  color: var(--text-secondary);
  background: var(--paper);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img,
picture,
svg {
  display: block;
  max-width: 100%;
}

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

a {
  color: inherit;
  text-decoration: none;
}

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

h1, h2, h3, h4 {
  color: var(--ink);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection {
  background: var(--accent-tint-100);
  color: var(--accent-strong);
}

/* ==========================================================================
   Type scale
   ========================================================================== */

.h1 {
  font-size: clamp(2.25rem, 1.85rem + 2vw, 3.4rem);
  font-weight: 800;
}

.h2 {
  font-size: clamp(1.75rem, 1.5rem + 1.2vw, 2.5rem);
  font-weight: 800;
}

.h3 {
  font-size: clamp(1.15rem, 1.05rem + 0.4vw, 1.4rem);
  font-weight: 700;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-strong);
}

.lede {
  font-size: clamp(1rem, 0.95rem + 0.2vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 60ch;
}

.section-head {
  max-width: 640px;
  margin-bottom: clamp(2rem, 1.6rem + 1.5vw, 3.25rem);
}

.section-head p {
  margin-top: 0.9rem;
}

.section-head--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

/* ==========================================================================
   Layout
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section {
  padding-block: var(--section-y);
}

.section--alt {
  background: var(--surface-alt);
}

.section--border-top {
  border-top: 1px solid var(--border-hairline);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--ink);
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: var(--r-input);
  z-index: 200;
  transition: top var(--dur-base) var(--ease-out);
}

.skip-link:focus {
  top: 1rem;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  white-space: nowrap;
  border-radius: var(--r-pill);
  padding: 0.95rem 1.7rem;
  font-weight: 700;
  font-size: 0.98rem;
  line-height: 1;
  transition: transform var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out),
    background-color var(--dur-base) var(--ease-out);
  will-change: transform;
}

.btn:active {
  transform: scale(0.97);
}

.btn svg,
.btn i {
  font-size: 1.15em;
  line-height: 1;
}

.btn-primary {
  background: var(--accent);
  color: #ffffff;
  box-shadow: var(--shadow-accent);
}

.btn-primary:hover {
  background: var(--accent-strong);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: var(--whatsapp);
  color: var(--ink);
  box-shadow: var(--shadow-whatsapp);
}

.btn-whatsapp:hover {
  background: var(--whatsapp-strong);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--border-hairline-strong);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent-strong);
  background: var(--accent-tint-50);
}

.btn-ghost {
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow-sm);
}

.btn-ghost:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn-block {
  width: 100%;
}

.btn-sm {
  padding: 0.7rem 1.3rem;
  font-size: 0.9rem;
}

/* ==========================================================================
   Header / Nav
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(252, 254, 254, 0.86);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out);
}

.site-header[data-scrolled="true"] {
  border-bottom-color: var(--border-hairline);
  box-shadow: var(--shadow-sm);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--ink);
}

.brand-mark {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink-soft);
  position: relative;
  padding-block: 0.3rem;
  transition: color var(--dur-fast) var(--ease-out);
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -2px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: right var(--dur-base) var(--ease-out);
}

.nav-links a:hover {
  color: var(--accent-strong);
}

.nav-links a:hover::after,
.nav-links a[aria-current="true"]::after {
  right: 0;
}

.nav-links a[aria-current="true"] {
  color: var(--accent-strong);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: var(--r-pill);
  background: var(--surface-alt-2);
  font-size: 1.3rem;
  color: var(--ink);
}

.nav-toggle[aria-expanded="true"] .ph-list {
  display: none;
}

.nav-toggle:not([aria-expanded="true"]) .ph-x {
  display: none;
}

.mobile-menu {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--dur-base) var(--ease-in-out);
  border-bottom: 1px solid transparent;
}

.mobile-menu[data-open="true"] {
  grid-template-rows: 1fr;
  border-bottom-color: var(--border-hairline);
}

.mobile-menu-inner {
  overflow: hidden;
}

.mobile-menu ul {
  display: flex;
  flex-direction: column;
  padding: 0.5rem var(--container-pad) 1.5rem;
  gap: 0.25rem;
}

.mobile-menu a {
  display: block;
  padding: 0.85rem 0.25rem;
  font-weight: 600;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--border-hairline);
}

.mobile-menu li:last-child a {
  border-bottom: none;
}

@media (min-width: 900px) {
  .nav-links {
    display: flex;
  }
  .nav-toggle {
    display: none;
  }
  .mobile-menu {
    display: none;
  }
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  padding-top: clamp(2.5rem, 2rem + 2vw, 4rem);
  padding-bottom: clamp(3rem, 2.4rem + 3vw, 5rem);
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-copy h1 {
  margin-bottom: 1.1rem;
}

.hero-copy .lede {
  margin-bottom: 2rem;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.hero-visual {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 480px;
  margin-inline: auto;
  width: 100%;
}

.hero-blob {
  position: absolute;
  inset: 4%;
  border-radius: 44% 56% 62% 38% / 46% 40% 60% 54%;
  background: linear-gradient(150deg, var(--accent-tint-100), var(--surface-alt-2) 60%, var(--accent-tint-50));
  animation: blob-morph 16s var(--ease-in-out) infinite alternate;
}

@keyframes blob-morph {
  0% {
    border-radius: 44% 56% 62% 38% / 46% 40% 60% 54%;
  }
  100% {
    border-radius: 58% 42% 40% 60% / 54% 62% 38% 46%;
  }
}

.hero-card {
  position: absolute;
  inset: 8%;
  background: var(--surface);
  border-radius: var(--r-panel-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.hero-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-chip {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--surface);
  border-radius: var(--r-pill);
  padding: 0.65rem 1.05rem;
  box-shadow: var(--shadow-md);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ink);
  animation: chip-float 6s var(--ease-in-out) infinite;
}

.hero-chip .ph-star-fill {
  color: var(--star);
}

.hero-chip .ph-calendar-check {
  color: var(--accent);
}

.hero-chip--rating {
  top: 6%;
  left: -4%;
  animation-delay: 0s;
}

.hero-chip--slot {
  bottom: 8%;
  right: -6%;
  animation-delay: -3s;
}

@keyframes chip-float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

@media (min-width: 960px) {
  .hero .container {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 2rem;
  }
  .hero-copy {
    max-width: 46ch;
  }
}

/* ==========================================================================
   Trust strip (under hero)
   ========================================================================== */

.trust-strip {
  padding-block: 1.75rem;
  border-top: 1px solid var(--border-hairline);
  border-bottom: 1px solid var(--border-hairline);
}

.trust-strip .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: clamp(1.5rem, 1rem + 3vw, 3.5rem);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.trust-item i {
  color: var(--accent);
  font-size: 1.2rem;
}

.trust-item strong {
  color: var(--ink);
}

/* ==========================================================================
   Benefits (asymmetric bento)
   ========================================================================== */

.benefits-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.benefit-card {
  background: var(--surface);
  border-radius: var(--r-panel);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}

.benefit-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.benefit-card--lead {
  background:
    linear-gradient(165deg, rgba(10, 110, 105, 0.93), rgba(8, 85, 80, 0.95)),
    url("https://images.pexels.com/photos/6501859/pexels-photo-6501859.jpeg?auto=compress&cs=tinysrgb&w=900&h=900&fit=crop") center/cover;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 320px;
  position: relative;
  overflow: hidden;
}

.benefit-card--lead::before {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  top: -60px;
  right: -60px;
}

.benefit-card--lead h3,
.benefit-card--lead p {
  color: #fff;
  position: relative;
}

.benefit-card--lead p {
  color: rgba(255, 255, 255, 0.86);
}

.benefit-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: var(--r-input);
  background: var(--accent-tint-100);
  color: var(--accent);
  font-size: 1.5rem;
  margin-bottom: 1.1rem;
}

.benefit-card--lead .benefit-icon {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
}

.benefit-card h3 {
  margin-bottom: 0.55rem;
  font-size: 1.2rem;
}

.benefit-card--lead h3 {
  font-size: 1.5rem;
}

.benefit-card p {
  font-size: 0.95rem;
}

@media (min-width: 720px) {
  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .benefit-card--lead {
    grid-row: span 2;
  }
}

@media (min-width: 1100px) {
  .benefits-grid {
    grid-template-columns: 1.2fr 1fr 1fr;
    grid-template-rows: repeat(2, auto);
  }
}

/* ==========================================================================
   Services (checkerboard grid)
   ========================================================================== */

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.service-card {
  border-radius: var(--r-panel);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}

.service-card:nth-child(odd) {
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.service-card:nth-child(even) {
  background: var(--surface-alt-2);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.service-photo-wrap {
  position: relative;
}

.service-photo {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  transition: transform var(--dur-slow) var(--ease-out);
}

.service-card:hover .service-photo {
  transform: scale(1.035);
}

.service-body {
  padding: 2.1rem 1.85rem 1.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.25rem;
  height: 3.25rem;
  border-radius: var(--r-pill);
  background: var(--surface);
  color: var(--accent);
  font-size: 1.6rem;
  box-shadow: var(--shadow-sm);
}

.service-icon--floating {
  position: absolute;
  bottom: -1.375rem;
  left: 1.5rem;
  border: 3px solid var(--surface);
}

.service-card h3 {
  font-size: 1.25rem;
}

.service-link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--accent-strong);
}

.service-link i {
  transition: transform var(--dur-fast) var(--ease-out);
}

.service-card:hover .service-link i {
  transform: translateX(3px);
}

@media (min-width: 720px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ==========================================================================
   Testimonials (scroll-snap carousel)
   ========================================================================== */

.testimonials-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: clamp(2rem, 1.6rem + 1.5vw, 3.25rem);
}

.testimonials-head .section-head {
  margin-bottom: 0;
}

.carousel-controls {
  display: flex;
  gap: 0.6rem;
}

.carousel-btn {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--r-pill);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  color: var(--ink);
  font-size: 1.1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: box-shadow var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out);
}

.carousel-btn:hover {
  box-shadow: var(--shadow-md);
  color: var(--accent-strong);
}

.carousel-btn:disabled {
  opacity: 0.35;
  cursor: default;
  box-shadow: none;
}

.testimonial-track {
  display: flex;
  gap: 1.25rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 0.5rem;
  scrollbar-width: none;
}

.testimonial-track::-webkit-scrollbar {
  display: none;
}

.testimonial-card {
  scroll-snap-align: start;
  flex: 0 0 min(340px, 84vw);
  background: var(--surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--r-panel);
  padding: 1.85rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  box-shadow: var(--shadow-sm);
}

.testimonial-stars {
  display: flex;
  gap: 0.2rem;
  color: var(--star);
  font-size: 1rem;
}

.testimonial-quote {
  color: var(--ink-soft);
  font-size: 0.98rem;
  line-height: 1.55;
}

.testimonial-attribution {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: auto;
}

.testimonial-avatar {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  overflow: hidden;
  background: var(--surface-alt-2);
  flex-shrink: 0;
}

.testimonial-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.testimonial-name {
  font-weight: 700;
  color: var(--ink);
  font-size: 0.92rem;
}

.testimonial-role {
  font-size: 0.82rem;
  color: var(--text-tertiary);
}

/* ==========================================================================
   Before / After comparison sliders
   ========================================================================== */

.smile-anim {
  position: relative;
  width: min(280px, 70%);
  margin: 0 auto 2rem;
  overflow: hidden;
  border-radius: var(--r-input);
}

.smile-anim-svg {
  width: 100%;
  height: auto;
  display: block;
}

.smile-tooth {
  fill: var(--surface);
  stroke: var(--border-hairline-strong);
  stroke-width: 2;
}

.smile-anim-shine {
  position: absolute;
  top: 0;
  bottom: 0;
  left: -40%;
  width: 22%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.75), transparent);
  transform: skewX(-18deg);
  pointer-events: none;
  mix-blend-mode: overlay;
}

@media (prefers-reduced-motion: reduce) {
  .smile-anim-shine {
    display: none;
  }
}

.gallery-note {
  margin-top: -1rem;
  margin-bottom: 2.5rem;
  font-size: 0.85rem;
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

.compare {
  position: relative;
  border-radius: var(--r-panel-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  box-shadow: var(--shadow-md);
  background: var(--ink);
  touch-action: pan-y;
}

.compare-pane {
  position: absolute;
  inset: 0;
}

.compare-pane img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.compare-after {
  clip-path: inset(0 0 0 var(--reveal, 50%));
}

/* Antes/después usa la MISMA fotografía base en ambos panes (misma
   persona, mismo ángulo, mismo encuadre por definición): la diferencia
   "antes vs. después" es un filtro CSS simulado, no dos fotos distintas. */
.compare-before img {
  filter: saturate(0.62) brightness(0.85) sepia(0.24) contrast(0.96);
}

.compare-after img {
  filter: saturate(1.06) brightness(1.07) contrast(1.03);
}

.compare-label {
  position: absolute;
  bottom: 1rem;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.35rem 0.7rem;
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
}

.compare-label--before {
  left: 1rem;
}

.compare-label--after {
  right: 1rem;
  background: var(--accent);
  color: #fff;
}

.compare-handle-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--reveal, 50%);
  width: 2px;
  background: rgba(255, 255, 255, 0.9);
  transform: translateX(-1px);
  pointer-events: none;
}

.compare-range {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  cursor: ew-resize;
}

.compare-range::-webkit-slider-runnable-track {
  background: transparent;
  height: 100%;
}

.compare-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--surface);
  border: 3px solid var(--accent);
  box-shadow: var(--shadow-md);
  margin-top: 0;
  cursor: ew-resize;
  transition: transform var(--dur-fast) var(--ease-out);
}

.compare-range:active::-webkit-slider-thumb {
  transform: scale(0.94);
}

.compare-range::-moz-range-track {
  background: transparent;
}

.compare-range::-moz-range-thumb {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--surface);
  border: 3px solid var(--accent);
  box-shadow: var(--shadow-md);
  cursor: ew-resize;
}

.compare-caption {
  margin-top: 0.9rem;
  font-weight: 700;
  color: var(--ink);
  font-size: 0.95rem;
}

@media (min-width: 720px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ==========================================================================
   Pricing
   ========================================================================== */

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: stretch;
}

.price-card {
  background: var(--surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--r-panel);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}

.price-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.price-card--featured {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
  box-shadow: var(--shadow-lg);
  position: relative;
}

@media (min-width: 900px) {
  .price-card--featured {
    transform: scale(1.045);
  }
  .price-card--featured:hover {
    transform: scale(1.045) translateY(-3px);
  }
}

.price-badge {
  position: absolute;
  top: -0.9rem;
  left: 2.25rem;
  background: var(--accent);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  padding: 0.4rem 0.9rem;
  border-radius: var(--r-pill);
}

.price-card--featured h3,
.price-card--featured .price-amount {
  color: #fff;
}

.price-card--featured .price-period,
.price-card--featured .price-desc {
  color: rgba(255, 255, 255, 0.72);
}

.price-card--featured .price-features li {
  border-color: rgba(255, 255, 255, 0.14);
}

.price-card--featured .price-features i {
  color: var(--accent-soft);
}

.price-amount {
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.price-period {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  font-weight: 600;
}

.price-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.price-features {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.price-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  padding-block: 0.65rem;
  border-bottom: 1px solid var(--border-hairline);
  font-size: 0.9rem;
}

.price-features li:last-child {
  border-bottom: none;
}

.price-features i {
  color: var(--accent);
  font-size: 1.05rem;
  margin-top: 0.15rem;
  flex-shrink: 0;
}

.price-card .btn {
  margin-top: auto;
}

@media (min-width: 900px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ==========================================================================
   Feature strip ("why choose us", technical mini-features)
   ========================================================================== */

.feature-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--border-hairline);
}

.feature-strip-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--border-hairline);
}

.feature-strip-item .service-icon {
  width: 2.75rem;
  height: 2.75rem;
  font-size: 1.35rem;
  flex-shrink: 0;
}

.feature-strip-item h3 {
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.feature-strip-item p {
  font-size: 0.9rem;
}

@media (min-width: 800px) {
  .feature-strip {
    grid-template-columns: repeat(4, 1fr);
    border-top: none;
  }
  .feature-strip-item {
    flex-direction: column;
    gap: 0.85rem;
    border-bottom: none;
    border-right: 1px solid var(--border-hairline);
    padding: 0 1.75rem;
  }
  .feature-strip-item:first-child {
    padding-left: 0;
  }
  .feature-strip-item:last-child {
    border-right: none;
    padding-right: 0;
  }
}

/* ==========================================================================
   Final CTA + contact form
   ========================================================================== */

.cta-final {
  background: linear-gradient(165deg, var(--surface-alt-2), var(--surface-alt) 55%, var(--paper));
}

.cta-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: start;
}

.cta-copy .h2 {
  margin-bottom: 0.9rem;
}

.cta-reasons {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.cta-reason {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.cta-reason i {
  color: var(--accent);
  font-size: 1.15rem;
  flex-shrink: 0;
}

.cta-direct {
  margin-top: 2.25rem;
  padding: 1.4rem;
  background: var(--surface);
  border-radius: var(--r-panel);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.cta-direct p {
  font-size: 0.85rem;
  color: var(--text-tertiary);
}

.cta-direct strong {
  display: block;
  color: var(--ink);
  font-size: 0.98rem;
}

.contact-form {
  background: var(--surface);
  border-radius: var(--r-panel-lg);
  padding: clamp(1.75rem, 1.5rem + 1vw, 2.5rem);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-row label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--ink);
}

.form-hint {
  font-size: 0.78rem;
  color: var(--text-tertiary);
}

.form-row input,
.form-row select,
.form-row textarea {
  background: var(--surface-alt);
  border: 1.5px solid var(--border-hairline-strong);
  border-radius: var(--r-input);
  padding: 0.85rem 1rem;
  font-size: 0.95rem;
  color: var(--ink);
  transition: border-color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}

.form-row textarea {
  resize: vertical;
  min-height: 5rem;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--surface);
}

.form-row input::placeholder,
.form-row textarea::placeholder {
  color: var(--text-tertiary);
}

.form-error {
  font-size: 0.8rem;
  color: #b3261e;
  min-height: 1.1em;
  display: none;
}

.form-row[data-invalid="true"] input,
.form-row[data-invalid="true"] select,
.form-row[data-invalid="true"] textarea {
  border-color: #b3261e;
}

.form-row[data-invalid="true"] .form-error {
  display: block;
}

.form-status {
  border-radius: var(--r-input);
  padding: 0.9rem 1rem;
  font-size: 0.88rem;
  font-weight: 600;
  display: none;
}

.form-status[data-visible="true"] {
  display: block;
}

.form-status--success {
  background: var(--accent-tint-100);
  color: var(--accent-strong);
}

@media (min-width: 980px) {
  .cta-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
  }
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.72);
  padding-block: clamp(3rem, 2.6rem + 2vw, 4.5rem) 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

.footer-brand .brand {
  color: #fff;
}

.footer-brand p {
  margin-top: 1rem;
  font-size: 0.9rem;
  max-width: 32ch;
}

.footer-social {
  display: flex;
  gap: 0.6rem;
  margin-top: 1.5rem;
}

.footer-social a {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  transition: background var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}

.footer-social a:hover {
  background: var(--accent);
  transform: translateY(-2px);
}

.footer-col h3 {
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: 1.1rem;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.9rem;
}

.footer-col a:hover {
  color: #fff;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

.footer-contact-item i {
  color: var(--accent-soft);
  margin-top: 0.15rem;
  flex-shrink: 0;
}

.footer-bottom {
  margin-top: 3rem;
  padding-top: 1.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  font-size: 0.82rem;
}

.footer-bottom a {
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
}

@media (min-width: 720px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
  }
}

/* ==========================================================================
   Floating WhatsApp button
   ========================================================================== */

.floating-whatsapp {
  position: fixed;
  right: clamp(1rem, 0.7rem + 1.2vw, 1.75rem);
  bottom: clamp(1rem, 0.7rem + 1.2vw, 1.75rem);
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--whatsapp);
  color: var(--ink);
  padding: 0.9rem 1.1rem;
  border-radius: var(--r-pill);
  box-shadow: var(--shadow-whatsapp);
  font-weight: 700;
  font-size: 0.9rem;
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), background var(--dur-base) var(--ease-out);
}

.floating-whatsapp i {
  font-size: 1.4rem;
}

.floating-whatsapp span {
  display: none;
}

.floating-whatsapp:hover {
  transform: translateY(-5px);
  background: var(--whatsapp-strong);
  box-shadow: 0 20px 40px rgba(37, 211, 102, 0.42);
}

@media (min-width: 620px) {
  .floating-whatsapp span {
    display: inline;
  }
}

/* ==========================================================================
   Scroll reveal
   ========================================================================== */

[data-reveal] {
  /* No transform/transition here: GSAP owns the entrance animation and
     reads the resting computed style as its target. Only opacity is
     pre-set, as a no-JS/pre-hydration baseline. */
  opacity: 0;
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
  }
  .hero-blob,
  .hero-chip {
    animation: none !important;
  }
  * {
    scroll-behavior: auto !important;
  }
}

@media (hover: none) {
  .benefit-card:hover,
  .service-card:hover,
  .price-card:hover,
  .btn-primary:hover,
  .btn-whatsapp:hover {
    transform: none;
  }
}