/* ============================================================================
   Vitaly Maternidad Digital - Main Stylesheet
   ============================================================================

   This stylesheet implements the complete design system defined in DESIGN.md.
   Mobile-first, responsive, accessible, and production-ready.
*/

/* ============================================================================
   CSS Custom Properties (Variables)
   ============================================================================ */

:root {
  /* Primary Color Palette */
  --color-primary: #1E4B3A;           /* Verde Vitaly */
  --color-primary-dark: #133328;      /* Verde Vitaly, hover */
  --color-primary-darker: #0F241C;    /* Verde Vitaly, active */
  --color-secondary: #A6BFAE;         /* Verde Calma */
  --color-neutral-warm: #E7DFD0;      /* Arena Vital */
  --color-neutral-warm-dark: #D4C5B5; /* Arena Vital, hover */
  --color-neutral-dark: #253E46;      /* Azul Sereno */
  --color-light: #F7F7F5;             /* Luz */

  /* Supporting Palette */
  --color-azul-brisa: #B7C9D6;        /* Azul Brisa */
  --color-rosa-confort: #F8D3D6;      /* Rosa Confort */
  --color-lavanda-suave: #DCCFE6;     /* Lavanda Suave */
  --color-taupe: #C6B2B8;             /* Taupe - decorative use only (borders, tints); fails AA as text */
  --color-taupe-text: #7A5A64;        /* Taupe, darkened for text - passes 4.5:1 on Luz/Arena Vital/Azul Cielo */
  --color-azul-cielo: #E2ECF3;        /* Azul Cielo */

  /* Typography */
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-ui: 'Figtree', 'Segoe UI', sans-serif;

  /* Font Weights */
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-demi-bold: 600;
  --fw-semi-bold: 600;

  /* Font Sizes - Mobile First */
  /* Type scale. Cormorant (display) has a low x-height, so it needs ~1.3x the size of Figtree to read alike. Nothing goes below --fs-small. */
  --fs-h1: 32px;
  --fs-h2: clamp(2rem, 1.6rem + 1.6vw, 3.25rem); /* section titles, 32px mobile -> 52px cap */
  --fs-h3: 24px;                                  /* card titles */
  --fs-lead: 1.125rem;                            /* intro paragraphs; 20px from 768px */
  --fs-body: 17px;
  --fs-body-sm: 16px;                             /* card/step descriptions, secondary lists */
  --fs-small: 15px;                               /* notes, captions, metadata */
  --fs-display: clamp(2.25rem, 1.9rem + 1.9vw, 3.75rem); /* hero H1 + closing CTA H2 */

  /* Line Heights */
  --lh-heading: 1.3;
  --lh-body: 1.6;
  --lh-tight: 1.5;

  /* Spacing */
  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;
  --spacing-4xl: 72px;

  /* Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(39, 62, 70, 0.08);
  --shadow-md: 0 4px 12px rgba(39, 62, 70, 0.12);
  --shadow-lg: 0 8px 24px rgba(39, 62, 70, 0.16);
  --shadow-on-color: 0 2px 8px rgba(0, 0, 0, 0.22); /* neutral elevation on saturated/dark card backgrounds - avoids a colored glow */

  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-normal: 200ms ease-out;
  --transition-slow: 300ms ease-out;

  /* Z-index */
  --z-navbar: 1030;
  --z-dropdown: 1000;
  --z-modal: 1050;
}

/* Tablet Breakpoint */
@media (min-width: 768px) {
  :root {
    --fs-h1: 44px;
    --fs-h3: 24px;
    --fs-lead: 1.25rem;
  }
}

/* Desktop Breakpoint */
@media (min-width: 1024px) {
  :root {
    --fs-h1: 56px;
    --fs-h3: 26px;
  }
}

/* ============================================================================
   Fonts (self-hosted, latin subset - covers Spanish diacritics)
   ============================================================================ */

@font-face {
  font-family: 'Cormorant Garamond';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('fonts/cormorant-garamond-600.woff2') format('woff2');
}

@font-face {
  font-family: 'Cormorant Garamond';
  font-style: italic;
  font-weight: 600;
  font-display: swap;
  src: url('fonts/cormorant-garamond-600-italic.woff2') format('woff2');
}

@font-face {
  font-family: 'Figtree';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/figtree-400.woff2') format('woff2');
}

@font-face {
  font-family: 'Figtree';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('fonts/figtree-500.woff2') format('woff2');
}

@font-face {
  font-family: 'Figtree';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('fonts/figtree-600.woff2') format('woff2');
}

@font-face {
  font-family: 'Figtree';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('fonts/figtree-700.woff2') format('woff2');
}

/* ============================================================================
   Global Styles & Reset
   ============================================================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-ui);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-neutral-dark);
  background-color: var(--color-light);
}

/* Typography */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-neutral-dark);
  line-height: var(--lh-heading);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: var(--fs-h1);
  font-weight: var(--fw-semi-bold);
}

h2 {
  font-size: var(--fs-h2);
  font-weight: var(--fw-demi-bold);
}

h3 {
  font-size: var(--fs-h3);
  font-weight: var(--fw-demi-bold);
}

p {
  margin-bottom: var(--spacing-md);
  line-height: var(--lh-body);
}

strong {
  font-weight: var(--fw-demi-bold);
}

em {
  font-style: italic;
}

small {
  font-size: var(--fs-small);
  color: var(--color-taupe-text);
}

/* Links */

a {
  color: var(--color-primary);
  text-decoration: underline;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-neutral-dark);
  text-decoration-color: var(--color-neutral-dark);
}

a:focus {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
}

/* ============================================================================
   Container & Utility Classes
   ============================================================================ */

.vitaly-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
}

@media (min-width: 768px) {
  .vitaly-container {
    padding: var(--spacing-2xl) var(--spacing-xl);
  }
}

@media (min-width: 1024px) {
  .vitaly-container {
    padding: var(--spacing-2xl) var(--spacing-2xl);
  }
}

/* ============================================================================
   Navigation
   ============================================================================ */

.vitaly-navbar {
  background-color: var(--color-light);
  box-shadow: 0 1px 3px rgba(39, 62, 70, 0.05);
  z-index: var(--z-navbar);
}

.vitaly-navbar .vitaly-container {
  max-width: 1080px;
  padding: 12px 24px;
}

.navbar-brand {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: var(--fw-semi-bold);
  color: var(--color-primary) !important;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
}

.navbar-brand:hover {
  opacity: 0.85;
  transition: opacity 200ms ease-out;
}

.navbar-logo {
  max-height: 48px;
  height: auto;
  width: auto;
  object-fit: contain;
  display: block;
}

.logo-mark {
  display: none;
}

.nav-link {
  font-family: var(--font-ui);
  font-weight: var(--fw-medium);
  font-size: var(--fs-body-sm);
  color: var(--color-neutral-dark) !important;
  margin-right: var(--spacing-md);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-fast);
}

.nav-link:hover::after {
  transform: scaleX(1);
}

.navbar-toggler {
  border: none;
  box-shadow: none;
}

.navbar-toggler:focus {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
  box-shadow: none;
}

@media (max-width: 767px) {
  .vitaly-navbar .vitaly-container {
    padding: 10px 16px;
  }

  .navbar-logo {
    max-height: 42px;
  }
}

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

.vitaly-btn-primary {
  background-color: var(--color-primary);
  border: none;
  color: var(--color-light);
  font-family: var(--font-ui);
  font-weight: var(--fw-medium);
  font-size: 1.0625rem;
  padding: 16px 32px;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-normal);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  text-align: center;
}

@media (min-width: 768px) {
  .vitaly-btn-primary {
    padding: 18px 40px;
  }
}

.vitaly-btn-primary:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-light);
  text-decoration: none;
}

.vitaly-btn-primary:focus {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
  box-shadow: none;
  background-color: var(--color-primary);
}

.vitaly-btn-primary:active {
  background-color: var(--color-primary-darker);
}

.vitaly-btn-primary:disabled {
  background-color: var(--color-taupe);
  color: var(--color-neutral-warm);
  cursor: not-allowed;
}

.btn-secondary {
  background-color: var(--color-neutral-warm);
  border: none;
  color: var(--color-neutral-dark);
  font-family: var(--font-ui);
  font-weight: var(--fw-medium);
  padding: 16px 32px;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-normal);
}

.btn-secondary:hover {
  background-color: var(--color-neutral-warm-dark);
  color: var(--color-neutral-dark);
}

.btn-secondary:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ============================================================================
   Cards & Components
   ============================================================================ */

.feature-card {
  background-color: var(--color-light);
  border: none;
  border-radius: var(--radius-sm);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  text-align: center;
}

.feature-card:nth-child(even) {
  background-color: var(--color-azul-cielo);
}

.feature-card:hover {
  box-shadow: var(--shadow-md);
}

.feature-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-md);
}

.feature-card h3 {
  color: var(--color-neutral-dark);
  margin-bottom: var(--spacing-sm);
}

.feature-card p {
  font-size: var(--fs-body-sm);
  color: var(--color-neutral-dark);
  margin-bottom: 0;
}

/* Section Cards */

.section-card {
  background-color: var(--color-neutral-warm);
  border: 1px solid rgba(39, 62, 70, 0.1);
  border-radius: var(--radius-sm);
  padding: var(--spacing-2xl);
  box-shadow: 0 2px 6px rgba(39, 62, 70, 0.05);
}

@media (min-width: 768px) {
  .section-card {
    padding: var(--spacing-3xl);
  }
}

/* ============================================================================
   Sections
   ============================================================================ */

/* Hero Section */

/* Split layout: solid green text panel + uncovered portrait. The photo is a 4:5 portrait,
   so it gets its own column - a full-bleed cover on a wide banner cropped her face out. */
.hero-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  background-color: var(--color-primary);
  color: var(--color-light);
  container-type: inline-size; /* lets .hero-copy align to the navbar container via cqw (no scrollbar drift) */
}

.hero-figure {
  order: -1; /* photo first on mobile; DOM keeps the H1 first for reading order */
  position: relative;
  height: clamp(160px, 42vw, 380px);
  margin: 0;
}

.hero-figure img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 24%; /* keeps her face in frame at any crop */
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-2xl);
}

.hero-copy > * {
  max-width: 32rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin: 0 0 var(--spacing-md);
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-medium);
  color: var(--color-secondary);
}

.badge-icon {
  font-size: 18px;
}

.hero-title {
  margin: 0 0 var(--spacing-md);
  font-family: var(--font-display);
  font-size: var(--fs-display);
  font-weight: var(--fw-semi-bold);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--color-light);
  text-wrap: balance;
}

.hero-subtitle {
  margin: 0 0 var(--spacing-md);
  font-size: var(--fs-lead);
  line-height: 1.65;
  color: rgba(247, 247, 245, 0.9);
}

.hero-subtitle strong {
  font-weight: var(--fw-demi-bold);
  color: var(--color-light);
}

/* Stage route: 4 stops on one line. It encodes a real sequence (pregnancy stages);
   the last segment is dashed because birth is a threshold, not another stage of the same kind. */
.hero-route {
  min-width: 0;
  margin: 0 0 var(--spacing-sm);
  padding: 0;
  border: 0;
}

.hero-route-legend {
  float: none;
  width: auto;
  margin: 0;
  padding: 0;
  font-family: var(--font-ui);
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-demi-bold);
  line-height: 1.4;
  color: var(--color-light);
}

.hero-route-stops {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.route-stop {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start; /* first node sits on the same left edge as the copy above it */
  gap: 10px;
  padding: 14px 0 10px; /* full label area is the touch target (>= 48px tall) */
  cursor: pointer;
}

/* Segment from this node's center to the next one's. Node background hides it underneath. */
.route-stop:not(:last-child)::before {
  content: "";
  position: absolute;
  top: 23px; /* padding-top 14px + half of the 18px node */
  left: 9px; /* starts at this node's center */
  width: 100%;
  border-top: 1px solid rgba(166, 191, 174, 0.6);
  transform-origin: left;
}

.route-stop:nth-child(3)::before {
  border-top-style: dashed;
}

.route-node {
  position: relative;
  z-index: 1;
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-secondary);
  border-radius: 50%;
  background-color: var(--color-primary);
  transition: background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.route-label {
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  line-height: 1.3;
  color: rgba(247, 247, 245, 0.88);
}

.route-stop:hover .route-node {
  border-color: var(--color-light);
}

.route-stop input:checked ~ .route-node {
  border-color: var(--color-light);
  background-color: var(--color-light);
  box-shadow: 0 0 0 4px rgba(247, 247, 245, 0.22);
}

.route-stop input:checked ~ .route-label {
  font-weight: var(--fw-demi-bold);
  color: var(--color-light);
}

.route-stop input:focus-visible ~ .route-node {
  outline: 2px solid var(--color-light);
  outline-offset: 3px;
}

/* The one non-interactive motion on the page: the route draws itself once on load. Labels stay visible throughout. */
@keyframes route-draw {
  from {
    transform: scaleX(0);
  }
}

@media (prefers-reduced-motion: no-preference) {
  .route-stop::before {
    animation: route-draw 500ms cubic-bezier(0.4, 0, 0.2, 1) both;
  }

  .route-stop:nth-child(1)::before {
    animation-delay: 200ms;
  }

  .route-stop:nth-child(2)::before {
    animation-delay: 700ms;
  }

  .route-stop:nth-child(3)::before {
    animation-delay: 1200ms;
  }
}

/* Primary button on the green panel: Luz fill (Verde on Verde would disappear).
   Doubled class so hover/focus beat .vitaly-btn-primary's own state rules. */
.vitaly-btn-primary.vitaly-btn-on-dark {
  background-color: var(--color-light);
  color: var(--color-primary);
  font-weight: var(--fw-demi-bold);
}

.vitaly-btn-primary.vitaly-btn-on-dark:hover,
.vitaly-btn-primary.vitaly-btn-on-dark:active {
  background-color: var(--color-neutral-warm);
  color: var(--color-primary);
}

.vitaly-btn-primary.vitaly-btn-on-dark:focus,
.vitaly-btn-primary.vitaly-btn-on-dark:focus-visible {
  background-color: var(--color-light);
  outline: 2px solid var(--color-light);
  outline-offset: 3px;
}

.vitaly-btn-primary .ti {
  font-size: 22px;
}

.hero-note,
.final-note {
  margin: var(--spacing-sm) 0 0;
  font-size: var(--fs-small);
  line-height: 1.5;
  color: rgba(247, 247, 245, 0.78);
}

@media (max-width: 575px) {
  .vitaly-btn-primary.vitaly-btn-on-dark {
    display: flex;
    width: 100%;
  }
}

@media (min-width: 768px) {
  .hero-figure {
    height: clamp(320px, 46vw, 440px);
  }

  .hero-copy {
    padding: var(--spacing-3xl) var(--spacing-xl);
  }

  .hero-subtitle {
    margin-bottom: var(--spacing-xl);
  }

  .hero-route {
    margin-bottom: var(--spacing-lg);
  }
}

@media (min-width: 992px) {
  .hero-section {
    /* Panel = left offset (aligned to the navbar logo) + ~34rem of copy + right padding, capped at 58%.
       A fixed fr ratio starved the copy column on wide screens (H1 broke into 4 lines at 1920).
       100vw here ignores scrollbar width; only the column edge drifts, not the text alignment (that uses cqw). */
    grid-template-columns: minmax(0, min(58%, calc(max(24px, (100vw - 1080px) / 2 + 24px) + 34rem + 64px))) minmax(0, 1fr);
    min-height: clamp(600px, 84vh, 780px);
  }

  .hero-figure {
    order: 0;
    height: auto;
  }

  .hero-copy {
    padding: var(--spacing-3xl) var(--spacing-3xl) var(--spacing-3xl) max(24px, calc((100vw - 1080px) / 2 + 24px));
    padding-left: max(24px, calc((100cqw - 1080px) / 2 + 24px));
  }
}

/* Problem Section */

.problem-section {
  background-color: var(--color-neutral-warm);
  padding: var(--spacing-2xl) 0;
}

@media (min-width: 768px) {
  .problem-section {
    padding: var(--spacing-3xl) 0;
  }
}

.questions-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin: var(--spacing-2xl) 0;
}

@media (min-width: 768px) {
  .questions-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .questions-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.question-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background-color: var(--color-light);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.question-icon {
  color: var(--color-primary);
  font-size: 24px;
  flex-shrink: 0;
}

.question-item p {
  font-size: var(--fs-body);
  color: var(--color-neutral-dark);
  margin-bottom: 0;
}

.problem-conclusion {
  text-align: center;
  font-size: var(--fs-lead);
  color: var(--color-primary);
  font-weight: var(--fw-demi-bold);
  margin-top: var(--spacing-2xl);
}

/* Solution Section */

.solution-section {
  background-color: var(--color-light);
  padding: var(--spacing-2xl) 0;
}

@media (min-width: 768px) {
  .solution-section {
    padding: var(--spacing-3xl) 0;
  }
}

.solution-content {
  max-width: 800px;
  margin: 0 auto;
}

.solution-text {
  font-size: var(--fs-lead);
  line-height: var(--lh-body);
  color: var(--color-neutral-dark);
  margin-bottom: var(--spacing-2xl);
  text-align: center;
}

.solution-key-phrase {
  background-color: var(--color-azul-cielo);
  border: 1px solid rgba(39, 62, 70, 0.1);
  padding: var(--spacing-lg);
  border-radius: var(--radius-sm);
  text-align: center;
}

.solution-key-phrase p {
  font-size: var(--fs-lead);
  font-weight: var(--fw-demi-bold);
  color: var(--color-neutral-dark);
  margin-bottom: var(--spacing-sm);
}

.solution-key-phrase small {
  font-size: var(--fs-small);
  color: var(--color-taupe-text);
}

/* How It Works Section */

.how-it-works-section {
  background-color: var(--color-neutral-warm);
  padding: var(--spacing-2xl) 0;
}

@media (min-width: 768px) {
  .how-it-works-section {
    padding: var(--spacing-3xl) 0;
  }
}

.process-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

@media (min-width: 768px) {
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
  }
}

/* 1024-1199: 3 + 2 (last row centered) on a 6-column track, so card titles keep their full size.
   5 across only fits from 1200px; there minmax(0, 1fr) stops the longest word ("Coordinamos") from
   forcing the grid wider, and the card title steps down to 22px (Cormorant reads small below that). */
@media (min-width: 1024px) {
  .process-steps {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .process-steps .step-item {
    grid-column: span 2;
  }

  .process-steps .step-item:nth-child(4) {
    grid-column: 2 / span 2;
  }

  .process-steps .step-item:nth-child(5) {
    grid-column: 4 / span 2;
  }
}

@media (min-width: 1200px) {
  .process-steps {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .process-steps .step-item,
  .process-steps .step-item:nth-child(4),
  .process-steps .step-item:nth-child(5) {
    grid-column: auto;
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .process-steps .step-item h3 {
    font-size: 1.375rem;
    overflow-wrap: break-word;
    hyphens: auto;
  }
}

.step-item {
  background-color: var(--color-light);
  padding: var(--spacing-lg);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: all var(--transition-normal);
}

.step-item:hover {
  box-shadow: var(--shadow-md);
}

.step-number {
  font-family: var(--font-ui);
  font-size: 32px;
  font-weight: var(--fw-demi-bold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.step-item h3 {
  font-size: var(--fs-h3);
  margin-bottom: var(--spacing-sm);
}

.step-item p {
  font-size: var(--fs-body-sm);
  color: var(--color-neutral-dark);
  margin-bottom: 0;
}

/* Features Section */

.features-section {
  background-color: var(--color-light);
  padding: var(--spacing-2xl) 0;
}

@media (min-width: 768px) {
  .features-section {
    padding: var(--spacing-3xl) 0;
  }
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

@media (min-width: 768px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
  }
}

.feature-card {
  background-color: var(--color-light);
  border-radius: var(--radius-sm);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.feature-card:nth-child(even) {
  background-color: var(--color-azul-cielo);
}

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

.feature-icon {
  color: var(--color-primary);
  font-size: 42px;
  line-height: 1;
  margin-bottom: var(--spacing-md);
  display: block;
}

.feature-card h3 {
  font-size: var(--fs-h3);
  color: var(--color-neutral-dark);
  margin-bottom: var(--spacing-sm);
}

.feature-card p {
  font-size: var(--fs-body-sm);
  color: var(--color-neutral-dark);
  margin-bottom: 0;
}

/* Online Section */

.online-section {
  /* Red de nodos en blanco semitransparente (la "red de profesionales"); se desvanece hacia arriba para no competir con el texto */
  background: var(--color-azul-brisa) url("../img/online-network-bg.svg") repeat-x center bottom / auto 220px;
  padding: var(--spacing-2xl) 0;
  text-align: center;
}

@media (min-width: 768px) {
  .online-section {
    padding: var(--spacing-3xl) 0;
  }
}

.online-text {
  font-size: var(--fs-lead);
  line-height: var(--lh-body);
  color: var(--color-neutral-dark);
  margin: var(--spacing-lg) 0;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.online-key {
  font-size: var(--fs-body);
  font-weight: var(--fw-demi-bold);
  color: var(--color-primary);
  margin-top: var(--spacing-lg);
}

/* Experience Section */

.experience-section {
  background-color: var(--color-light);
  padding: var(--spacing-2xl) 0;
}

@media (min-width: 768px) {
  .experience-section {
    padding: var(--spacing-3xl) 0;
  }
}

.experience-text {
  font-size: var(--fs-lead);
  line-height: var(--lh-body);
  color: var(--color-neutral-dark);
  margin-bottom: var(--spacing-2xl);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.founder-section {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--spacing-lg);
  align-items: center;
  padding: var(--spacing-2xl);
  background-color: var(--color-neutral-warm);
  border-radius: var(--radius-sm);
  margin: var(--spacing-2xl) auto;
  max-width: 600px;
}

@media (min-width: 768px) {
  .founder-section {
    gap: var(--spacing-xl);
    padding: var(--spacing-xl) var(--spacing-2xl);
  }
}

.founder-image {
  display: flex;
  justify-content: center;
}

.founder-photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-primary);
}

.founder-info h3 {
  font-size: var(--fs-h3);
  margin-bottom: var(--spacing-xs);
}

.founder-title {
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--color-taupe-text);
  margin-bottom: var(--spacing-md);
}

.founder-quote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--color-neutral-dark);
  margin-bottom: 0;
}

.brand-evolution {
  text-align: center;
  margin-top: var(--spacing-2xl);
  padding: var(--spacing-xl);
  background-color: var(--color-azul-cielo);
  border-radius: var(--radius-sm);
}

.brand-evolution p {
  margin-bottom: var(--spacing-sm);
}

.brand-evolution strong {
  color: var(--color-primary);
  font-size: var(--fs-lead);
}

/* Nacer Consciente Section */

.nacer-section {
  background-color: var(--color-rosa-confort);
  padding: var(--spacing-2xl) 0;
  text-align: center;
}

@media (min-width: 768px) {
  .nacer-section {
    padding: var(--spacing-3xl) 0;
  }
}

.nacer-image {
  max-width: 480px;
  margin: 0 auto var(--spacing-xl);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.nacer-image img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.nacer-text {
  font-size: var(--fs-lead);
  line-height: var(--lh-body);
  color: var(--color-neutral-dark);
  margin: var(--spacing-lg) auto;
  max-width: 800px;
}

.nacer-keywords {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-top: var(--spacing-2xl);
  justify-content: center;
  align-items: center;
}

@media (min-width: 768px) {
  .nacer-keywords {
    flex-direction: row;
    gap: var(--spacing-xl);
  }
}

.keyword {
  display: inline-block;
  background-color: var(--color-light);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-sm);
  font-weight: var(--fw-demi-bold);
  color: var(--color-primary);
  font-size: var(--fs-lead);
}

/* How to Start Section */

.start-section {
  background-color: var(--color-light);
  padding: var(--spacing-2xl) 0;
}

@media (min-width: 768px) {
  .start-section {
    padding: var(--spacing-3xl) 0;
  }
}

.start-journey {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 28px;
  margin-top: var(--spacing-2xl);
}

@media (min-width: 768px) {
  .start-journey {
    flex-direction: row;
    gap: 0;
    max-width: 1080px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 10px;
  }
}

.journey-step {
  position: relative;
  flex: 1 1 0;
  min-height: 144px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--spacing-lg) var(--spacing-md);
  border-radius: 8px;
  background-color: var(--color-primary);
  color: var(--color-light);
  text-align: center;
  box-shadow: var(--shadow-on-color);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.journey-step:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.28);
}

.journey-step:nth-child(2) {
  background-color: var(--color-azul-brisa);
  color: var(--color-neutral-dark);
}

.journey-step:nth-child(3) {
  background-color: var(--color-rosa-confort);
  color: var(--color-neutral-dark);
}

.journey-step:nth-child(4) {
  background-color: var(--color-secondary);
  color: var(--color-neutral-dark);
}

.journey-step:nth-child(5) {
  background-color: var(--color-neutral-dark);
}

@media (min-width: 768px) {
  .journey-step:not(:last-child) {
    margin-right: 12px;
  }

  .journey-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -19px;
    z-index: 1;
    width: 0;
    height: 0;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    border-left: 8px solid var(--color-primary);
    transform: translateY(-50%);
  }

  .journey-step:nth-child(1)::after {
    border-left-color: var(--color-primary);
  }

  .journey-step:nth-child(2)::after {
    border-left-color: var(--color-azul-brisa);
  }

  .journey-step:nth-child(3)::after {
    border-left-color: var(--color-rosa-confort);
  }

  .journey-step:nth-child(4)::after {
    border-left-color: var(--color-secondary);
  }
}

.journey-number {
  font-family: var(--font-ui);
  font-size: 38px;
  line-height: 0.95;
  font-weight: var(--fw-demi-bold);
  letter-spacing: 0.04em;
  color: currentColor;
  margin-bottom: var(--spacing-md);
}

.journey-step p {
  font-weight: var(--fw-demi-bold);
  color: currentColor;
  font-size: var(--fs-body-sm);
  line-height: 1.35;
  margin-bottom: 0;
}

@media (max-width: 767px) {
  .journey-step {
    min-height: 104px;
  }

  .journey-number {
    font-size: 32px;
    margin-bottom: var(--spacing-sm);
  }

  .journey-step:not(:last-child)::after {
    content: '';
    position: absolute;
    bottom: -28px;
    left: 50%;
    width: 1px;
    height: 28px;
    background-color: var(--color-primary);
    transform: translateX(-50%);
  }
}

/* Founding Group Section */

.founding-section {
  background-color: var(--color-neutral-warm);
  padding: var(--spacing-2xl) 0;
  text-align: center;
}

@media (min-width: 768px) {
  .founding-section {
    padding: var(--spacing-3xl) 0;
  }
}

.founding-subtitle {
  font-size: var(--fs-lead);
  font-weight: var(--fw-demi-bold);
  color: var(--color-neutral-dark);
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.founding-description {
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-neutral-dark);
  max-width: 800px;
  margin: var(--spacing-lg) auto;
}

.pricing-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin: var(--spacing-2xl) 0;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 768px) {
  .pricing-section {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
  }
}

.pricing-regular,
.pricing-special {
  background-color: var(--color-light);
  padding: var(--spacing-lg);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.pricing-label {
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--color-taupe-text);
  margin-bottom: var(--spacing-sm);
}

.pricing-amount {
  display: block;
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: var(--fw-semi-bold);
  color: var(--color-neutral-dark);
  margin-bottom: var(--spacing-sm);
}

.pricing-regular .pricing-amount {
  color: var(--color-taupe-text);
  text-decoration-line: line-through;
  text-decoration-thickness: 2px;
  text-decoration-color: var(--color-primary);
}

.pricing-amount.special {
  color: var(--color-primary);
  font-size: 3.5rem;
}

.pricing-duration {
  font-size: var(--fs-small);
  color: var(--color-taupe-text);
  margin-bottom: 0;
}

.founding-info {
  font-size: var(--fs-body-sm);
  color: var(--color-neutral-dark);
  margin: var(--spacing-lg) 0;
}

.founding-cta {
  margin: var(--spacing-2xl) 0 0;
}

/* What's Included Section */

.included-section {
  background-color: var(--color-light);
  padding: var(--spacing-2xl) 0;
}

@media (min-width: 768px) {
  .included-section {
    padding: var(--spacing-3xl) 0;
  }
}

.included-duration {
  font-size: var(--fs-h3);
  font-weight: var(--fw-demi-bold);
  color: var(--color-primary);
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.included-list {
  list-style: none;
  padding: 0;
  max-width: 600px;
  margin: var(--spacing-lg) auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

@media (min-width: 768px) {
  .included-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

.included-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  font-size: var(--fs-body);
  color: var(--color-neutral-dark);
}

.check-icon {
  color: var(--color-primary);
  font-size: 22px;
  line-height: 1.4;
  flex-shrink: 0;
}

.included-note {
  background-color: var(--color-azul-cielo);
  padding: var(--spacing-lg);
  border-radius: var(--radius-sm);
  max-width: 600px;
  margin: var(--spacing-2xl) auto 0;
  text-align: left;
  font-size: var(--fs-small);
}

.included-note p {
  margin-bottom: var(--spacing-sm);
}

.included-note p:last-child {
  margin-bottom: 0;
}

/* Disclaimer Section */

.disclaimer-section {
  background-color: var(--color-neutral-warm);
  padding: var(--spacing-2xl) 0;
  text-align: center;
}

@media (min-width: 768px) {
  .disclaimer-section {
    padding: var(--spacing-3xl) 0;
  }
}

.disclaimer-section h3 {
  font-size: var(--fs-h3);
  font-weight: var(--fw-demi-bold);
  color: var(--color-neutral-dark);
  margin-bottom: var(--spacing-lg);
}

.disclaimer-quote {
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-neutral-dark);
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-lg);
  border: 1px solid rgba(39, 62, 70, 0.1);
  background-color: rgba(198, 178, 184, 0.1);
  border-radius: var(--radius-sm);
  text-align: left;
}

/* FAQ Section */

.faq-section {
  background-color: var(--color-light);
  padding: var(--spacing-2xl) 0;
}

@media (min-width: 768px) {
  .faq-section {
    padding: var(--spacing-3xl) 0;
  }
}

.vitaly-accordion {
  max-width: 800px;
  margin: var(--spacing-2xl) auto 0;
}

.accordion-item {
  background-color: var(--color-light);
  border: 1px solid var(--color-taupe);
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-md);
  overflow: hidden;
}

.accordion-button {
  background-color: var(--color-light);
  color: var(--color-neutral-dark);
  font-family: var(--font-ui);
  font-weight: var(--fw-demi-bold);
  font-size: 1.125rem;
  padding: var(--spacing-lg);
  border: none;
  text-align: left;
  transition: all var(--transition-normal);
}

.accordion-button:focus {
  box-shadow: inset 0 0 0 2px var(--color-secondary);
  outline: none;
}

.accordion-button:not(.collapsed) {
  background-color: var(--color-primary);
  color: var(--color-light);
  box-shadow: none;
}

.accordion-button::after {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%231E4B3A' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
  background-size: 1.25rem;
}

.accordion-button:not(.collapsed)::after {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23F7F7F5' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
}

.accordion-body {
  background-color: var(--color-light);
  border-top: 1px solid var(--color-taupe);
  padding: var(--spacing-lg);
  color: var(--color-neutral-dark);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
}

/* Final CTA Section */

/* Same solid Verde Vitaly as the hero panel: the page opens and closes on one green (no gradient, per DESIGN.md).
   footer_bg.png is a semi-transparent white meadow silhouette, anchored to the bottom and tiled in X.
   Its height is a variable so the bottom padding can reserve exactly that band: no text ever sits on the dandelions. */
.final-cta-section {
  --meadow-h: 120px;
  padding: var(--spacing-3xl) 0 var(--meadow-h);
  background: var(--color-primary) url("../img/footer_bg.png") repeat-x center bottom / auto var(--meadow-h);
  text-align: center;
  color: var(--color-light);
}

@media (min-width: 768px) {
  .final-cta-section {
    --meadow-h: 170px;
    padding-top: var(--spacing-4xl);
  }
}

@media (min-width: 1200px) {
  .final-cta-section {
    --meadow-h: 215px; /* native height of the image */
  }
}

.final-cta-section h2 {
  max-width: 14em;
  margin: 0 auto var(--spacing-md);
  font-size: var(--fs-display);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--color-light);
  text-wrap: balance;
}

.final-subtitle {
  margin: 0;
  font-size: var(--fs-lead);
  color: rgba(247, 247, 245, 0.9);
}

.final-cta-button {
  margin: var(--spacing-xl) 0 var(--spacing-2xl);
}

.final-note {
  text-align: center;
}

.final-tagline {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.625rem;
  font-style: italic;
  font-weight: var(--fw-semi-bold);
  color: rgba(247, 247, 245, 0.92);
}

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

.vitaly-footer {
  background-color: var(--color-neutral-dark);
  color: var(--color-light);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.footer-heading {
  font-family: var(--font-display);
  color: var(--color-light);
  font-size: 1.25rem;
  font-weight: var(--fw-demi-bold);
  line-height: var(--lh-heading);
  margin-bottom: var(--spacing-md);
}

.footer-section p {
  font-size: var(--fs-body-sm);
  line-height: var(--lh-tight);
  opacity: 0.9;
  margin-bottom: 0;
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: 0; /* row pitch now comes from the link's own padding, which also makes it the tap target */
}

/* No underline: these are lists of links under a heading, so context already says "link".
   The hover/focus state must therefore carry the affordance on its own: the text slides right and a
   Verde Calma dot (same node motif as the hero route) takes its place. Calma on Azul Sereno is 5.7:1;
   Verde Vitaly and the global a:hover color (Azul Sereno) both vanish on this background. */
.footer-links a {
  position: relative;
  display: inline-block;
  padding: 6px 0;
  color: var(--color-light);
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-medium);
  text-decoration: none;
  opacity: 0.85;
}

.footer-links a::before {
  content: "";
  position: absolute;
  top: 50%;
  left: -12px;
  width: 6px;
  height: 6px;
  margin-top: -3px;
  border-radius: 50%;
  background-color: var(--color-secondary);
  opacity: 0;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  opacity: 1;
  color: var(--color-secondary);
  text-decoration: none;
}

.footer-links a:hover::before,
.footer-links a:focus-visible::before {
  opacity: 1;
}

@media (prefers-reduced-motion: no-preference) {
  .footer-links a {
    transition: transform var(--transition-normal), opacity var(--transition-fast), color var(--transition-fast);
  }

  .footer-links a::before {
    transition: opacity var(--transition-fast);
  }

  .footer-links a:hover,
  .footer-links a:focus-visible {
    transform: translateX(12px);
  }
}

.footer-links a:focus {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
}

.footer-bottom {
  border-top: 1px solid rgba(247, 247, 245, 0.1);
  padding-top: var(--spacing-lg);
  text-align: center;
  font-size: var(--fs-small);
  color: rgba(247, 247, 245, 0.7);
}

.footer-bottom p {
  margin-bottom: var(--spacing-xs);
}

.heart {
  color: var(--color-rosa-confort);
  vertical-align: -2px;
}

/* ============================================================================
   Section Titles (Global)
   ============================================================================ */

.section-title {
  max-width: 22em;
  margin-inline: auto;
  text-wrap: balance;
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: var(--fw-semi-bold);
  color: var(--color-neutral-dark);
  text-align: center;
  margin-bottom: var(--spacing-lg);
  line-height: var(--lh-heading);
}

/* ============================================================================
   Modals
   ============================================================================ */

.modal-content {
  background-color: var(--color-light);
  border: none;
  border-radius: var(--radius-sm);
}

.modal-header {
  background-color: var(--color-neutral-warm);
  border-bottom: 1px solid var(--color-taupe);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.modal-title {
  font-family: var(--font-display);
  font-weight: var(--fw-semi-bold);
  color: var(--color-neutral-dark);
  font-size: 1.625rem;
}

.btn-close {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='%23253E46' d='M.293.293a1 1 0 011.414 0L8 6.586 14.293.293a1 1 0 111.414 1.414L9.414 8l6.293 6.293a1 1 0 01-1.414 1.414L8 9.414l-6.293 6.293a1 1 0 01-1.414-1.414L6.586 8 .293 1.707a1 1 0 010-1.414z'/%3e%3c/svg%3e");
}

.btn-close:focus {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
}

.modal-body {
  color: var(--color-neutral-dark);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
}

.modal-body h5 {
  font-family: var(--font-display);
  font-weight: var(--fw-semi-bold);
  color: var(--color-primary);
  font-size: 1.375rem;
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.modal-body h5:first-child {
  margin-top: 0;
}

.modal-body p {
  margin-bottom: var(--spacing-md);
}

.modal-body p:last-child {
  margin-bottom: 0;
}

/* ============================================================================
   Utilities & Helpers
   ============================================================================ */

.text-center {
  text-align: center;
}

.text-primary {
  color: var(--color-primary);
}

.text-dark {
  color: var(--color-neutral-dark);
}

.text-muted {
  color: var(--color-taupe-text);
}

.bg-primary {
  background-color: var(--color-primary);
}

.bg-light {
  background-color: var(--color-light);
}

.mb-0 {
  margin-bottom: 0;
}

.mt-2 {
  margin-top: var(--spacing-sm);
}

.mt-4 {
  margin-top: var(--spacing-lg);
}

.highlighted {
  background-color: var(--color-azul-brisa);
  color: #000;
  padding: 0.2em 0.4em;
  border-radius: 0.25rem;
}

/* ============================================================================
   Section Entrance Motion
   ============================================================================ */

/* .js-animate is set synchronously by main.js only when IntersectionObserver
   is supported, so sections never get stuck hidden without JS or on older browsers. */
@media (prefers-reduced-motion: no-preference) {
  .js-animate section {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
  }

  .js-animate section.in-view {
    opacity: 1;
    transform: translateY(0);
  }
}

/* The hero is above the fold: it renders at once so the route animation is the only load moment. */
.js-animate .hero-section {
  opacity: 1;
  transform: none;
  transition: none;
}

/* ============================================================================
   Print Styles
   ============================================================================ */

@media print {
  body {
    background-color: white;
    color: black;
  }

  a {
    color: black;
    text-decoration: underline;
  }

  .vitaly-navbar,
  .vitaly-footer {
    display: none;
  }

  section {
    page-break-inside: avoid;
  }
}

/* ============================================================================
   Accessibility Focus Visible
   ============================================================================ */

:focus-visible {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
}