/* ============================================================
   IMPULSO DIGITAL — Design System v3
   Light Mode · Cream + Soft Blue-Gray · Corporate Boutique
   Domain: holaimpulsodigital.com
   ============================================================ */

/* ---------- Custom Fonts (place files in /assets/fonts/) ---------- */
/* The Seasons — Títulos H1/H2/H3 */
@font-face {
  font-family: 'The Seasons';
  src: url('../assets/fonts/TheSeasons-Reg.woff2') format('woff2'),
       url('../assets/fonts/TheSeasons-Reg.woff') format('woff');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'The Seasons';
  src: url('../assets/fonts/TheSeasons-It.woff2') format('woff2'),
       url('../assets/fonts/TheSeasons-It.woff') format('woff');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'The Seasons';
  src: url('../assets/fonts/TheSeasons-Bd.woff2') format('woff2'),
       url('../assets/fonts/TheSeasons-Bd.woff') format('woff');
  font-weight: 700;
  font-display: swap;
}
/* Horizon — Botones y UI */
@font-face {
  font-family: 'Horizon';
  src: url('../assets/fonts/Horizon.woff2') format('woff2'),
       url('../assets/fonts/Horizon.woff') format('woff');
  font-weight: 400;
  font-display: swap;
}

/* ---------- Tokens ---------- */
:root {
  /* Backgrounds */
  --bg-base:        #fffdf4;
  --bg-surface:     #eef4f7;
  --bg-card:        #ffffff;
  --bg-card-hover:  #f8fbfc;

  /* Blues */
  --accent-primary: #0455bf;
  --accent-mid:     #0b8cbf;
  --accent-light:   #89c2d9;
  --accent-glow:    rgba(4, 85, 191, 0.06);
  --accent-border:  rgba(4, 85, 191, 0.16);

  /* Text */
  --text-primary:   #0a0a0a;
  --text-secondary: #3d3d3d;
  --text-muted:     #6b6b6b;
  --text-faint:     #9a9a9a;

  /* Borders */
  --border:         rgba(10, 10, 10, 0.08);
  --border-strong:  rgba(10, 10, 10, 0.14);

  /* Radius */
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  36px;

  /* Typography */
  --font-display: 'The Seasons', 'Playfair Display', Georgia, serif;
  --font-sans:    'Questrial', 'Segoe UI', system-ui, sans-serif;
  --font-ui:      'Horizon', 'Space Grotesk', 'Questrial', system-ui, sans-serif;

  /* Motion */
  --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
  --ease-io:    cubic-bezier(0.4, 0, 0.2, 1);
  --transition: 0.28s var(--ease-io);

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.05), 0 2px 8px rgba(0,0,0,0.03);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.07), 0 1px 4px rgba(0,0,0,0.04);
  --shadow-lg:  0 12px 40px rgba(0,0,0,0.09), 0 2px 8px rgba(0,0,0,0.05);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-sans);
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a   { color: inherit; text-decoration: none; }
ul  { list-style: none; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
}

.display-xl {
  font-size: clamp(2.6rem, 5.5vw, 5rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.display-lg {
  font-size: clamp(1.9rem, 3.5vw, 3.2rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
}

.display-md {
  font-size: clamp(1.3rem, 2.2vw, 1.9rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.body-lg  { font-size: 1.1rem;   line-height: 1.72; }
.body-md  { font-size: 1rem;     line-height: 1.72; }
.body-sm  { font-size: 0.875rem; line-height: 1.65; }

.label {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.text-accent { color: var(--accent-primary); }
.text-mid    { color: var(--accent-mid); }
.text-muted  { color: var(--text-secondary); }
.text-faint  { color: var(--text-faint); }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: clamp(1.5rem, 5vw, 4rem);
}

.section     { padding-block: clamp(5rem, 10vw, 9rem); }
.section--sm { padding-block: clamp(3rem, 6vw, 5rem); }

/* Tinted sections — smooth cream→blue-gray transition */
.section--tinted {
  background: linear-gradient(
    180deg,
    var(--bg-base)    0px,
    var(--bg-surface) 72px,
    var(--bg-surface) calc(100% - 72px),
    var(--bg-base)    100%
  );
  border: none;
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg-surface); }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 100px; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding-block: 1.1rem;
  transition: background var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  background: rgba(255, 253, 244, 0.93);
  backdrop-filter: blur(18px) saturate(1.2);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: clamp(1.5rem, 5vw, 4rem);
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

/* Isotipo en navbar */
.navbar__isotipo {
  height: 36px;
  width: 36px;
  border-radius: var(--radius-sm);
  object-fit: contain;
  mix-blend-mode: multiply;
  flex-shrink: 0;
}

.navbar__nav {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.navbar__link {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  transition: color var(--transition);
  position: relative;
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent-primary);
  transition: width var(--transition);
}

.navbar__link:hover        { color: var(--text-primary); }
.navbar__link:hover::after { width: 100%; }

.navbar__cta {
  padding: 0.5rem 1.3rem;
  border-radius: var(--radius-sm);
  background: var(--accent-primary);
  color: #ffffff !important;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
}

.navbar__cta::after { display: none; }

.navbar__cta:hover {
  background: #0348a8;
  box-shadow: 0 4px 18px rgba(4,85,191,0.28);
  transform: translateY(-1px);
}

.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.navbar__hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text-secondary);
  transition: var(--transition);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 6rem;
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.hero__gradient {
  position: absolute;
  width: 800px;
  height: 800px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(137,194,217,0.13) 0%, transparent 68%);
  top: -20%;
  right: -15%;
}

.hero__gradient-2 {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(4,85,191,0.04) 0%, transparent 68%);
  bottom: 5%;
  left: -8%;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(10,10,10,0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10,10,10,0.022) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 40%, black 20%, transparent 100%);
}

.hero__content { position: relative; z-index: 1; }

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.9rem;
  border-radius: 100px;
  border: 1px solid var(--accent-border);
  background: var(--accent-glow);
  margin-bottom: 2rem;
}

.hero__eyebrow-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent-primary);
  animation: pulse 2.2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(0.8); }
}

.hero__title    { margin-bottom: 1.75rem; }
.hero__title em { font-style: italic; color: var(--accent-primary); }

.hero__subtitle {
  max-width: 520px;
  color: var(--text-secondary);
  margin-bottom: 2.75rem;
}

.hero__actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 4rem;
}

.hero__trust { display: flex; align-items: center; gap: 1rem; }
.hero__trust-avatars { display: flex; }

.hero__trust-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 2px solid var(--bg-base);
  margin-left: -7px;
  background: var(--bg-surface);
  display: grid;
  place-items: center;
  font-size: 0.62rem;
  font-weight: 600;
  color: var(--accent-primary);
  box-shadow: var(--shadow-sm);
}

.hero__trust-avatar:first-child { margin-left: 0; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-ui);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  white-space: nowrap;
}

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

.btn--primary:hover {
  background: #0348a8;
  box-shadow: 0 6px 24px rgba(4,85,191,0.28);
  transform: translateY(-2px);
}

.btn--outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
}

.btn--outline:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: var(--accent-glow);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--accent-primary);
  padding-inline: 0;
}

.btn--ghost:hover { gap: 0.75rem; }

/* ============================================================
   SECTION HEADER
   ============================================================ */
.section-header {
  text-align: center;
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.section-header .label { color: var(--accent-primary); margin-bottom: 0.875rem; }
.section-header p       { color: var(--text-secondary); margin-top: 1rem; }

/* ============================================================
   STATS BAR
   ============================================================ */
.stats {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.stat-item {
  padding: 2.5rem 2rem;
  text-align: center;
  border-right: 1px solid var(--border);
}

.stat-item:last-child { border-right: none; }

.stat-item__value {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 0.4rem;
}

.stat-item__value span { color: var(--accent-primary); }

.stat-item__label {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* ============================================================
   SERVICES
   ============================================================ */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--border);
  gap: 1px;
}

.service-item {
  background: var(--bg-card);
  padding: 2.5rem 2.25rem;
  transition: background var(--transition);
  position: relative;
  overflow: hidden;
}

.service-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-light));
  opacity: 0;
  transition: opacity var(--transition);
}

.service-item:hover { background: var(--bg-card-hover); }
.service-item:hover::after { opacity: 1; }

.service-item__number {
  font-family: var(--font-ui);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  color: var(--text-faint);
  margin-bottom: 1.75rem;
}

.service-item__icon {
  width: 34px;
  height: 34px;
  margin-bottom: 1.5rem;
  color: var(--accent-primary);
}

.service-item__icon svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
  fill: none;
}

.service-item__title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.625rem;
  color: var(--text-primary);
}

.service-item__desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================================
   NICHES
   ============================================================ */
.niches__grid {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
}

.niche-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.625rem 1.25rem;
  border-radius: 100px;
  border: 1px solid var(--border-strong);
  background: var(--bg-card);
  font-family: var(--font-ui);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  transition: all var(--transition);
  cursor: default;
  box-shadow: var(--shadow-sm);
}

.niche-pill:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: var(--bg-card);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.niche-pill__icon { width: 15px; height: 15px; flex-shrink: 0; color: currentColor; }
.niche-pill__icon svg { width: 100%; height: 100%; stroke: currentColor; fill: none; stroke-width: 1.5; }

/* ============================================================
   PROCESS
   ============================================================ */
.process__list { position: relative; }

.process__list::before {
  content: '';
  position: absolute;
  left: 19px;
  top: 28px;
  bottom: 28px;
  width: 1px;
  background: var(--border);
}

.process-step {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 1.75rem;
  padding-block: 2rem;
}

.process-step__number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: var(--bg-card);
  display: grid;
  place-items: center;
  font-family: var(--font-ui);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.process-step:hover .process-step__number {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  box-shadow: 0 0 0 4px var(--accent-glow);
}

.process-step__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.375rem;
}

.process-step__desc { font-size: 0.85rem; color: var(--text-secondary); }

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.testimonial-card:hover {
  border-color: var(--accent-border);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.testimonial-card__quote {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 1.5rem;
}

.testimonial-card__author { display: flex; align-items: center; gap: 0.75rem; }

.testimonial-card__avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--accent-glow);
  border: 1px solid var(--accent-border);
  display: grid;
  place-items: center;
  font-family: var(--font-ui);
  font-size: 0.65rem;
  color: var(--accent-primary);
  flex-shrink: 0;
}

.testimonial-card__name { font-size: 0.85rem; font-weight: 600; }
.testimonial-card__role { font-size: 0.75rem; color: var(--text-faint); }

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section { background: var(--bg-base); }

.cta-box {
  background: var(--bg-card);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-lg);
  padding: clamp(2.5rem, 5vw, 4.5rem);
  text-align: center;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -60%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(137,194,217,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.cta-box__title    { margin-bottom: 1rem; position: relative; }
.cta-box__subtitle {
  color: var(--text-secondary);
  max-width: 460px;
  margin-inline: auto;
  margin-bottom: 2.5rem;
  position: relative;
}

.cta-box__actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  position: relative;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding-block: 3.5rem 2rem;
  border-top: 1px solid var(--border);
  background: var(--bg-card);
}

.footer__top {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3rem;
}

/* Logotipo / Imagotipo en footer */
.footer__logotipo {
  height: 52px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
  mix-blend-mode: multiply;
  margin-bottom: 0.875rem;
}

.footer__brand-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  max-width: 240px;
  line-height: 1.7;
  margin-top: 0.25rem;
}

.footer__col-title {
  font-family: var(--font-ui);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 1.25rem;
}

.footer__links { display: flex; flex-direction: column; gap: 0.7rem; }

.footer__link {
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.footer__link:hover { color: var(--accent-primary); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 1rem;
}

.footer__copy {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--text-faint);
}

.footer__socials { display: flex; gap: 0.75rem; }

.footer__social {
  width: 30px;
  height: 30px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  display: grid;
  place-items: center;
  color: var(--text-muted);
  transition: all var(--transition);
}

.footer__social:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: var(--accent-glow);
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.65s var(--ease-out), transform 0.65s var(--ease-out);
}

.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 960px) {
  .services__grid { grid-template-columns: 1fr 1fr; }
  .footer__top    { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .navbar__nav       { display: none; }
  .navbar__hamburger { display: flex; }

  .hero__actions     { flex-direction: column; align-items: flex-start; }

  .services__grid    { grid-template-columns: 1fr; }
  .footer__top       { grid-template-columns: 1fr; gap: 2rem; }
  .footer__bottom    { flex-direction: column; align-items: flex-start; }

  .stat-item         { border-right: none; border-bottom: 1px solid var(--border); }
  .stat-item:last-child { border-bottom: none; }
  .stats__grid       { grid-template-columns: 1fr 1fr; }

  .process__list::before { display: none; }
}