/* ═══════════════════════════════════════════════════════════════
   Eductech 360 — styles.css  |  Premium Responsive Redesign
   ═══════════════════════════════════════════════════════════════ */

/* ── 1. Design Tokens ─────────────────────────────────────────── */
:root {
  /* Brand Palette */
  --c-primary:      #0a3547;
  --c-primary-md:   #0f4157;
  --c-primary-lt:   #1a6080;
  --c-secondary:    #0d9090;
  --c-secondary-lt: #13b5b5;
  --c-accent:       #f0b41c;
  --c-accent-dk:    #c9920e;
  --c-accent-lt:    #ffd86b;

  /* Neutrals */
  --c-text:         #1a2332;
  --c-text-muted:   #566879;
  --c-text-light:   #8fa0b0;
  --c-bg:           #f4f8fc;
  --c-bg-alt:       #eaf2f8;
  --c-bg-card:      #ffffff;
  --c-border:       rgba(10,53,71,.08);
  --c-border-md:    rgba(10,53,71,.14);
  --c-white:        #ffffff;

  /* Semantic */
  --c-success: #0ea472;
  --c-error:   #e53e3e;
  --c-wa:      #25d366;

  /* Shadows */
  --shadow-xs: 0 1px 4px rgba(10,53,71,.07);
  --shadow-sm: 0 3px 10px rgba(10,53,71,.09);
  --shadow-md: 0 8px 28px rgba(10,53,71,.12);
  --shadow-lg: 0 20px 52px rgba(10,53,71,.16);
  --shadow-xl: 0 32px 80px rgba(10,53,71,.22);

  /* Radii */
  --r-sm:   10px;
  --r-md:   16px;
  --r-lg:   22px;
  --r-xl:   30px;
  --r-pill: 999px;

  /* Easing */
  --ease:        cubic-bezier(.4,0,.2,1);
  --ease-spring: cubic-bezier(.34,1.56,.64,1);
  --ease-out:    cubic-bezier(0,0,.2,1);

  /* Typography */
  --font: 'Poppins', system-ui, -apple-system, sans-serif;

  /* Layout */
  --container:    min(1200px, 94%);
  --section-pad:  clamp(4.5rem, 7vw, 7rem);
  --header-h:     72px;
}

/* ── 2. Reset & Base ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 12px); }
body { font-family: var(--font); color: var(--c-text); background: var(--c-bg); line-height: 1.65; overflow-x: hidden; }
img  { max-width: 100%; display: block; }
a    { text-decoration: none; color: inherit; }
ul   { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; }

/* Custom scrollbar */
::-webkit-scrollbar        { width: 6px; }
::-webkit-scrollbar-track  { background: transparent; }
::-webkit-scrollbar-thumb  { background: var(--c-secondary); border-radius: var(--r-pill); }

/* Focus ring */
:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 3px; }

/* ── 3. Scroll Progress ───────────────────────────────────────── */
.scroll-progress {
  position: fixed; top: 0; left: 0; z-index: 9999;
  height: 3px; width: 0%;
  background: linear-gradient(90deg, var(--c-secondary-lt), var(--c-accent));
  transition: width .1s linear;
  border-radius: 0 var(--r-pill) var(--r-pill) 0;
}

/* ── 4. Layout ────────────────────────────────────────────────── */
.container { width: var(--container); margin: 0 auto; }

.section {
  padding: var(--section-pad) 0;
  background: var(--c-white);
}
.section--alt {
  padding: var(--section-pad) 0;
  background: linear-gradient(160deg, #e8f2f9 0%, var(--c-bg) 50%, #edf4f8 100%);
}
.section--dark {
  padding: var(--section-pad) 0;
  background: linear-gradient(145deg, var(--c-primary) 0%, #0d5070 55%, var(--c-secondary) 100%);
  color: var(--c-white);
}

/* ── 5. Animations ────────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes float1 {
  0%,100% { transform: translate(0,0) scale(1); }
  50%      { transform: translate(28px,-38px) scale(1.07); }
}
@keyframes float2 {
  0%,100% { transform: translate(0,0) scale(1); }
  50%      { transform: translate(-22px,28px) scale(1.05); }
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(240,180,28,.65); }
  60%  { box-shadow: 0 0 0 9px rgba(240,180,28,0); }
  100% { box-shadow: 0 0 0 0 rgba(240,180,28,0); }
}
@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Scroll reveal */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s var(--ease-out), transform .6s var(--ease-out); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal[style*="--rd"] { transition-delay: var(--rd, 0s); }

/* Fade animations on hero */
.fade-up {
  opacity: 0;
  animation: fadeUp .7s var(--ease-out) forwards;
  animation-delay: var(--d, 0s);
}
.fade-in {
  opacity: 0;
  animation: fadeIn .7s var(--ease-out) forwards;
  animation-delay: var(--d, 0s);
}

/* ── 6. Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .5rem; padding: .65rem 1.5rem;
  border-radius: var(--r-pill); border: none;
  font-family: var(--font); font-size: .85rem; font-weight: 600; letter-spacing: .03em;
  white-space: nowrap; cursor: pointer;
  transition: transform .2s var(--ease-spring), box-shadow .2s var(--ease), background .2s var(--ease), color .2s var(--ease);
  position: relative; overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(rgba(255,255,255,.15), transparent);
  opacity: 0; transition: opacity .2s var(--ease);
}
.btn:hover  { transform: translateY(-2px); }
.btn:hover::after { opacity: 1; }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: linear-gradient(135deg, var(--c-secondary), var(--c-primary-md));
  color: var(--c-white);
  box-shadow: 0 6px 22px rgba(10,53,71,.28);
}
.btn-primary:hover { box-shadow: 0 12px 32px rgba(10,53,71,.40); }

.btn-accent {
  background: linear-gradient(135deg, var(--c-accent), #e8a010);
  color: var(--c-primary); font-weight: 700;
  box-shadow: 0 6px 22px rgba(240,180,28,.38);
}
.btn-accent:hover { box-shadow: 0 12px 32px rgba(240,180,28,.52); }

.btn-ghost {
  background: rgba(255,255,255,.12); backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,.28); color: var(--c-white);
}
.btn-ghost:hover { background: rgba(255,255,255,.22); border-color: rgba(255,255,255,.45); }

.btn-outline-white {
  background: transparent; border: 1.5px solid rgba(255,255,255,.4); color: var(--c-white);
}
.btn-outline-white:hover { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.75); }

.btn-outline-primary {
  background: transparent; border: 1.5px solid var(--c-primary); color: var(--c-primary);
}
.btn-outline-primary:hover { background: var(--c-primary); color: var(--c-white); }

.btn-whatsapp {
  display: flex; align-items: center; justify-content: center; gap: .65rem;
  width: 100%; padding: .9rem 1.5rem; border-radius: var(--r-pill);
  background: linear-gradient(135deg, #25d366, #128c7e); color: var(--c-white);
  font-weight: 600; font-size: .9rem;
  box-shadow: 0 6px 22px rgba(37,211,102,.32); border: none;
  transition: transform .2s var(--ease-spring), box-shadow .2s var(--ease);
}
.btn-whatsapp:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(37,211,102,.48); }

.btn-lg   { padding: .85rem 2rem; font-size: .93rem; }
.btn-block, .w-full { width: 100%; }

/* Loading state */
.btn-spinner { display: none; align-items: center; gap: .4rem; }
.btn.is-loading .btn-text    { display: none; }
.btn.is-loading .btn-spinner { display: flex; }
.btn.is-loading .btn-spinner svg { animation: spin 1s linear infinite; }

/* ── 7. Section Headers ───────────────────────────────────────── */
.section-header { text-align: center; margin-bottom: clamp(2.5rem, 4.5vw, 4rem); }

.section-kicker {
  display: inline-block;
  font-size: .71rem; font-weight: 700; letter-spacing: .22em; text-transform: uppercase;
  color: var(--c-secondary);
  background: rgba(13,144,144,.1); border: 1px solid rgba(13,144,144,.2);
  padding: .28rem .9rem; border-radius: var(--r-pill);
  margin-bottom: .8rem;
}

.section-title {
  font-size: clamp(1.65rem, 2.5vw + .8rem, 2.5rem);
  font-weight: 800; color: var(--c-primary); line-height: 1.2;
  margin-bottom: .75rem; letter-spacing: -.02em;
}

.section-subtitle {
  font-size: .97rem; color: var(--c-text-muted);
  max-width: 40rem; margin: 0 auto; line-height: 1.75;
}

.section--dark .section-title { color: var(--c-white); }
.section--dark .section-subtitle { color: rgba(255,255,255,.72); }
.section--dark .section-kicker {
  color: var(--c-accent-lt); background: rgba(240,180,28,.15); border-color: rgba(240,180,28,.3);
}

/* ── 8. Header & Navigation ───────────────────────────────────── */
#header {
  position: sticky; top: 0; z-index: 200; height: var(--header-h);
  background: rgba(244,248,252,.88);
  backdrop-filter: blur(22px); -webkit-backdrop-filter: blur(22px);
  border-bottom: 1px solid rgba(10,53,71,.07);
  transition: box-shadow .3s var(--ease), background .3s var(--ease);
}
#header.scrolled {
  background: rgba(244,248,252,.97);
  box-shadow: 0 4px 24px rgba(10,53,71,.1);
}

.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; height: 100%;
}

/* Brand */
.nav-brand { display: flex; align-items: center; gap: .85rem; flex-shrink: 0; }

.logo-box {
  width: 52px; height: 52px; border-radius: 13px;
  background: var(--c-white);
  border: 1.5px solid rgba(13,144,144,.3);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(10,53,71,.18);
  position: relative;
}
.logo-box img {
  width: 100%; height: 100%; object-fit: contain; object-position: center;
  position: absolute; inset: 0;
}
/* Fallback text: hidden by default, shown only when image fails */
.logo-fallback {
  font-size: .78rem; font-weight: 800; color: var(--c-primary); letter-spacing: .04em;
  display: none;
  position: relative; z-index: 1;
}

.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong {
  font-size: .94rem; font-weight: 800; letter-spacing: .07em;
  text-transform: uppercase; color: var(--c-primary);
}
.brand-text span { font-size: .68rem; color: var(--c-text-muted); }

/* Nav center */
.nav-center { flex: 1; display: flex; justify-content: center; }

.nav-links {
  display: flex; align-items: center; gap: .15rem;
  background: rgba(255,255,255,.8); border-radius: var(--r-pill);
  padding: .28rem .45rem;
  box-shadow: 0 2px 14px rgba(10,53,71,.08);
  border: 1px solid rgba(10,53,71,.07);
}
.nav-links a {
  padding: .32rem .75rem; border-radius: var(--r-pill);
  font-size: .81rem; font-weight: 500; color: var(--c-text-muted);
  transition: background .2s var(--ease), color .2s var(--ease);
  white-space: nowrap;
}
.nav-links a:hover { background: rgba(10,53,71,.07); color: var(--c-primary); }
.nav-links a.active { background: rgba(10,53,71,.09); color: var(--c-primary); font-weight: 600; }

/* Nav actions */
.nav-actions { display: flex; align-items: center; gap: .55rem; flex-shrink: 0; }
.nav-actions .btn-ghost {
  background: rgba(10,53,71,.06); border: 1px solid rgba(10,53,71,.12); color: var(--c-primary);
}
.nav-actions .btn-ghost:hover { background: rgba(10,53,71,.13); }

/* Hamburger toggle */
.nav-toggle {
  display: none; flex-direction: column; justify-content: center;
  width: 42px; height: 42px; border-radius: var(--r-sm);
  background: rgba(10,53,71,.06); border: 1px solid rgba(10,53,71,.1);
  padding: .55rem; gap: 5px;
  transition: background .2s var(--ease);
}
.nav-toggle:hover { background: rgba(10,53,71,.12); }
.nav-toggle span {
  display: block; height: 2px; background: var(--c-primary);
  border-radius: var(--r-pill);
  transition: transform .3s var(--ease), opacity .3s var(--ease), width .3s var(--ease);
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── 9. Mobile Menu ───────────────────────────────────────────── */
.mobile-menu {
  overflow: hidden; max-height: 0; opacity: 0;
  transition: max-height .42s var(--ease), opacity .3s var(--ease);
  border-top: 1px solid transparent;
  background: rgba(244,248,252,.98); backdrop-filter: blur(22px);
}
.mobile-menu.is-open {
  max-height: 520px; opacity: 1;
  border-top-color: var(--c-border);
}
.mobile-menu nav { padding: 1rem 0 1.4rem; }
.mobile-menu ul { display: flex; flex-direction: column; gap: .2rem; padding: 0 1rem; }
.mobile-menu ul a {
  display: block; padding: .8rem 1.1rem; border-radius: var(--r-md);
  font-size: .93rem; font-weight: 500; color: var(--c-text);
  transition: background .15s var(--ease), color .15s var(--ease);
}
.mobile-menu ul a:hover { background: rgba(10,53,71,.06); color: var(--c-primary); }

.mobile-cta {
  display: flex; gap: .6rem; padding: .9rem 2rem 0;
  flex-wrap: wrap;
}

/* ── 10. Hero Section ─────────────────────────────────────────── */
.hero {
  position: relative;
  padding: clamp(4rem, 6vw, 7rem) 0 clamp(3.5rem, 5vw, 6rem);
  background: linear-gradient(145deg, var(--c-primary) 0%, #0d5270 50%, #0e7272 100%);
  color: var(--c-white); overflow: hidden;
}

/* Subtle grid pattern */
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

/* Animated orbs */
.hero-orb { position: absolute; border-radius: 50%; filter: blur(80px); pointer-events: none; }
.hero-orb--1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(240,180,28,.16), transparent 68%);
  top: -180px; left: -120px;
  animation: float1 12s ease-in-out infinite;
}
.hero-orb--2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(13,144,144,.20), transparent 68%);
  bottom: -120px; right: -100px;
  animation: float2 16s ease-in-out infinite;
}
.hero-orb--3 {
  width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(240,180,28,.1), transparent 68%);
  top: 35%; right: 28%;
  animation: float1 20s ease-in-out infinite reverse;
}

.hero-grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.15fr 1fr;
  gap: 3.5rem; align-items: center;
}

/* Hero badge */
.hero-badge {
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .38rem .95rem; border-radius: var(--r-pill);
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.22);
  font-size: .79rem; font-weight: 500; letter-spacing: .01em;
  margin-bottom: 1.3rem; backdrop-filter: blur(8px);
}
.badge-pulse {
  width: 8px; height: 8px; border-radius: 50%; background: var(--c-accent);
  box-shadow: 0 0 0 0 rgba(240,180,28,.65);
  animation: pulse 2.5s ease infinite; flex-shrink: 0;
}

.hero h1 {
  font-size: clamp(2.1rem, 3.2vw + .9rem, 3.6rem);
  font-weight: 800; line-height: 1.15; letter-spacing: -.025em;
  margin-bottom: 1.2rem; color: var(--c-white);
}
.text-gradient {
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent-lt));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.hero-subtitle {
  font-size: clamp(.88rem, 1vw + .45rem, 1.04rem);
  color: rgba(255,255,255,.8); line-height: 1.78;
  max-width: 35rem; margin-bottom: 2.2rem;
}

.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2.2rem; }

.hero-trust { display: flex; flex-direction: column; gap: .5rem; }
.trust-item {
  display: flex; align-items: center; gap: .55rem;
  font-size: .82rem; color: rgba(255,255,255,.72);
}
.trust-item svg { color: var(--c-accent); flex-shrink: 0; }

/* Hero floating card */
.hero-card {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--r-xl); padding: 1.9rem;
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 32px 80px rgba(0,0,0,.28);
}

.hero-card-header {
  display: flex; align-items: center; gap: 1rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid rgba(255,255,255,.14); margin-bottom: 1.25rem;
}

.hero-card-logo-wrap {
  width: 54px; height: 54px; border-radius: 14px;
  background: var(--c-white);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; flex-shrink: 0; position: relative;
}
.hero-card-logo-wrap img {
  width: 100%; height: 100%; object-fit: contain; object-position: center;
  position: absolute; inset: 0;
}
.logo-fallback-sm {
  font-size: .72rem; font-weight: 800; color: var(--c-primary); letter-spacing: .04em;
  display: none; position: relative; z-index: 1;
}

.hero-card-name    { font-weight: 700; font-size: 1rem; color: var(--c-white); }
.hero-card-tagline { font-size: .73rem; color: rgba(255,255,255,.62); margin-top: .15rem; }

.hero-services { display: grid; grid-template-columns: 1fr 1fr; gap: .85rem; margin-bottom: 1.3rem; }

.hero-service {
  display: flex; align-items: flex-start; gap: .65rem;
  background: rgba(255,255,255,.09); border-radius: var(--r-md);
  padding: .8rem .85rem; border: 1px solid rgba(255,255,255,.12);
  transition: background .2s var(--ease);
}
.hero-service:hover { background: rgba(255,255,255,.16); }
.hero-service-icon { font-size: 1.25rem; flex-shrink: 0; line-height: 1; margin-top: .05rem; }
.hero-service strong { display: block; font-size: .77rem; font-weight: 600; color: var(--c-white); margin-bottom: .1rem; }
.hero-service span   { font-size: .69rem; color: rgba(255,255,255,.6); line-height: 1.4; }

.hero-card-footer  { border-top: 1px solid rgba(255,255,255,.14); padding-top: 1.05rem; }
.hero-card-chip {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: .74rem; font-weight: 600; color: var(--c-accent);
  background: rgba(240,180,28,.15); border: 1px solid rgba(240,180,28,.3);
  padding: .32rem .8rem; border-radius: var(--r-pill);
}

/* ── 11. Pillars Strip (between hero & about) ─────────────────── */
.pillars-strip {
  background: var(--c-primary);
  padding: 0;
  position: relative; z-index: 1;
}
.pillars-inner {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255,255,255,.08);
}
.pillar-item {
  display: flex; align-items: center; gap: 1rem;
  padding: 1.6rem 1.8rem;
  border-right: 1px solid rgba(255,255,255,.08);
  transition: background .2s var(--ease);
}
.pillar-item:last-child { border-right: none; }
.pillar-item:hover { background: rgba(255,255,255,.05); }

.pillar-icon {
  width: 46px; height: 46px; border-radius: 13px; flex-shrink: 0;
  background: rgba(255,255,255,.12);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
}
.pillar-label strong { display: block; font-size: .9rem; font-weight: 700; color: var(--c-white); margin-bottom: .18rem; }
.pillar-label span   { font-size: .74rem; color: rgba(255,255,255,.58); line-height: 1.45; }

/* ── 12. About / Quiénes somos ───────────────────────────────── */
.about-grid {
  display: grid; grid-template-columns: 1.2fr 1fr;
  gap: 3.5rem; align-items: flex-start;
}

.about-text p { color: #4b5d6e; line-height: 1.85; font-size: .97rem; }
.about-text p + p { margin-top: 1rem; }

.pill-list { display: flex; flex-wrap: wrap; gap: .55rem; margin-top: 1.6rem; }
.pill {
  padding: .35rem .9rem; border-radius: var(--r-pill);
  font-size: .77rem; font-weight: 500;
  background: rgba(10,53,71,.06); color: var(--c-primary);
  border: 1px solid rgba(10,53,71,.11);
  transition: background .2s var(--ease), border-color .2s var(--ease);
}
.pill:hover { background: rgba(10,53,71,.13); border-color: rgba(10,53,71,.2); }

/* MVV Box */
.mvv-box {
  background: var(--c-white); border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg); padding: 1.6rem 1.5rem 1.8rem;
  border: 1px solid var(--c-border);
  position: relative; overflow: hidden;
}
.mvv-box::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--c-secondary), var(--c-accent));
}

.mvv-tabs {
  display: flex; gap: .4rem;
  background: #f0f5f9; border-radius: var(--r-pill); padding: .3rem;
  margin-bottom: 1.4rem;
}
.mvv-tab {
  flex: 1; border: none; background: transparent; border-radius: var(--r-pill);
  font-size: .8rem; font-weight: 500; padding: .48rem .6rem;
  color: var(--c-text-muted);
  transition: background .2s var(--ease), color .2s var(--ease), box-shadow .2s var(--ease);
}
.mvv-tab:hover { color: var(--c-primary); }
.mvv-tab.active {
  background: linear-gradient(135deg, var(--c-secondary), var(--c-primary-md));
  color: var(--c-white); box-shadow: 0 4px 14px rgba(10,53,71,.32);
}

.mvv-panel { display: none; }
.mvv-panel.active { display: block; animation: fadeUp .3s var(--ease); }
.mvv-panel h3 {
  font-size: 1rem; font-weight: 700; color: var(--c-primary);
  display: flex; align-items: center; gap: .4rem; margin-bottom: .75rem;
}
.mvv-panel p { font-size: .87rem; color: #4b5d6e; line-height: 1.78; }

.values-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem .9rem; font-size: .82rem; }
.value-item { display: flex; align-items: flex-start; gap: .55rem; color: #4b5d6e; line-height: 1.5; }
.value-item strong { color: var(--c-primary); display: block; margin-bottom: .12rem; }
.value-num {
  width: 24px; height: 24px; border-radius: 8px;
  background: rgba(240,180,28,.18); color: var(--c-primary);
  font-size: .7rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; margin-top: .1rem;
}

/* ── 13. Service Cards ────────────────────────────────────────── */
.cards-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1.4rem; align-items: stretch;
}

.card {
  position: relative; background: var(--c-white); border-radius: var(--r-lg);
  padding: 1.8rem 1.5rem; box-shadow: var(--shadow-sm);
  border: 1px solid var(--c-border);
  display: flex; flex-direction: column; gap: .85rem;
  transition: transform .3s var(--ease-spring), box-shadow .3s var(--ease), border-color .2s var(--ease);
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--c-secondary), var(--c-accent));
  transform: scaleX(0); transform-origin: left;
  transition: transform .3s var(--ease);
}
.card:hover { transform: translateY(-7px); box-shadow: var(--shadow-xl); border-color: rgba(13,144,144,.2); }
.card:hover::before { transform: scaleX(1); }

.card--featured {
  background: linear-gradient(155deg, var(--c-primary-md) 0%, #156088 100%);
  color: var(--c-white); border-color: transparent;
  box-shadow: var(--shadow-xl); transform: translateY(-7px);
}
.card--featured::before { display: none; }
.card--featured::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(240,180,28,.08), transparent 60%);
  pointer-events: none;
}
.card--featured:hover { transform: translateY(-14px); }

.card-featured-label {
  position: absolute; top: 1.1rem; right: 1.1rem;
  font-size: .66rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase;
  color: var(--c-primary); background: var(--c-accent);
  padding: .22rem .75rem; border-radius: var(--r-pill);
}

.card-icon {
  width: 50px; height: 50px; border-radius: 14px;
  background: linear-gradient(135deg, rgba(13,144,144,.12), rgba(10,53,71,.07));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; flex-shrink: 0;
  transition: transform .3s var(--ease-spring);
}
.card:hover .card-icon { transform: scale(1.08) rotate(-3deg); }
.card--featured .card-icon { background: rgba(255,255,255,.15); }
.card--featured:hover .card-icon { transform: scale(1.08) rotate(-3deg); }

.card h3 { font-size: 1rem; font-weight: 700; color: var(--c-primary); line-height: 1.3; }
.card--featured h3 { color: var(--c-white); }
.card p { font-size: .86rem; color: #5a6c7d; line-height: 1.72; }
.card--featured p { color: rgba(255,255,255,.78); }

.card-list {
  display: flex; flex-direction: column; gap: .48rem;
  font-size: .81rem; color: #4b5d6e; margin-top: auto;
}
.card--featured .card-list { color: rgba(255,255,255,.75); }
.card-list li { display: flex; align-items: flex-start; gap: .5rem; }
.card-list li::before {
  content: '→'; color: var(--c-accent); font-weight: 700;
  flex-shrink: 0; margin-top: .02em;
}

/* ── 14. Process Section ─────────────────────────────────────── */
.process-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0; position: relative;
}
.process-grid::after {
  content: '';
  position: absolute; top: 36px; left: 12%; right: 12%;
  height: 2px;
  background: linear-gradient(90deg, var(--c-secondary), var(--c-accent), var(--c-secondary));
  z-index: 0;
}

.process-step {
  display: flex; flex-direction: column; align-items: center;
  text-align: center; padding: 0 1.5rem;
  position: relative; z-index: 1;
}
.process-num {
  width: 74px; height: 74px; border-radius: 50%;
  background: linear-gradient(135deg, var(--c-secondary), var(--c-primary-md));
  color: var(--c-white); font-weight: 800; font-size: 1.3rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 28px rgba(10,53,71,.28);
  margin-bottom: 1.4rem; flex-shrink: 0;
  transition: transform .3s var(--ease-spring), box-shadow .3s var(--ease);
  border: 3px solid var(--c-white);
}
.process-step:hover .process-num { transform: scale(1.1); box-shadow: 0 14px 36px rgba(10,53,71,.38); }

.process-step h4 { font-size: .97rem; font-weight: 700; color: var(--c-primary); margin-bottom: .5rem; }
.process-step p  { font-size: .82rem; color: var(--c-text-muted); line-height: 1.7; }
.process-icon { font-size: 1.4rem; margin-bottom: .6rem; }

/* ── 15. Benefits ─────────────────────────────────────────────── */
.benefits-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.3rem;
}

.benefit {
  display: flex; gap: 1.1rem; align-items: flex-start;
  background: var(--c-white); border-radius: var(--r-lg); padding: 1.5rem 1.4rem;
  border: 1px solid var(--c-border); box-shadow: var(--shadow-xs);
  transition: transform .3s var(--ease-spring), box-shadow .3s var(--ease), border-color .2s var(--ease);
}
.benefit:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: rgba(13,144,144,.22); }

.benefit-icon {
  width: 48px; height: 48px; border-radius: 14px; flex-shrink: 0;
  background: linear-gradient(135deg, rgba(13,144,144,.12), rgba(240,180,28,.08));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.35rem;
  transition: transform .3s var(--ease-spring);
}
.benefit:hover .benefit-icon { transform: scale(1.1) rotate(-5deg); }

.benefit strong { display: block; font-size: .93rem; color: var(--c-primary); margin-bottom: .32rem; font-weight: 700; }
.benefit span   { font-size: .82rem; color: #6b7c8c; line-height: 1.65; }

/* ── 16. Testimonials ─────────────────────────────────────────── */
.testimonials-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem;
}

.testimonial {
  background: var(--c-white); border-radius: var(--r-lg);
  padding: 2rem 1.7rem 1.6rem;
  box-shadow: var(--shadow-md); border: 1px solid var(--c-border);
  display: flex; flex-direction: column; gap: 1.1rem;
  position: relative; overflow: hidden;
  transition: transform .3s var(--ease-spring), box-shadow .3s var(--ease);
}
.testimonial::before {
  content: '\201C';
  position: absolute; top: -.2rem; left: 1.3rem;
  font-size: 5rem; color: rgba(13,144,144,.12);
  font-family: Georgia, serif; line-height: 1; pointer-events: none;
}
/* Top accent */
.testimonial::after {
  content: '';
  position: absolute; top: 0; left: 1.6rem; right: 1.6rem; height: 3px;
  background: linear-gradient(90deg, var(--c-secondary), var(--c-accent));
  border-radius: 0 0 var(--r-pill) var(--r-pill);
}
.testimonial:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }

.testimonial-stars { color: var(--c-accent); font-size: 1rem; letter-spacing: .1em; }

.testimonial blockquote {
  font-size: .88rem; color: #4b5d6e; line-height: 1.78;
  font-style: italic; flex: 1;
  border: none; padding: 0; margin: 0;
}

.testimonial-author { display: flex; align-items: center; gap: .85rem; }
.testimonial-avatar {
  width: 42px; height: 42px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, var(--c-secondary), var(--c-primary-md));
  display: flex; align-items: center; justify-content: center;
  font-size: .72rem; font-weight: 700; color: var(--c-white); letter-spacing: .03em;
}
.testimonial-avatar::after { content: attr(data-initials); }
.testimonial-author strong { display: block; font-size: .86rem; font-weight: 700; color: var(--c-primary); }
.testimonial-author span   { font-size: .74rem; color: var(--c-text-muted); }

/* ── 17. Directors ────────────────────────────────────────────── */
.directors-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 2rem; max-width: 1000px; margin: 0 auto;
}

.director-card {
  background: var(--c-white); border-radius: var(--r-xl);
  box-shadow: var(--shadow-lg); border: 1px solid var(--c-border);
  overflow: hidden;
  transition: transform .3s var(--ease-spring), box-shadow .3s var(--ease);
}
.director-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-xl); }

.director-photo-wrap {
  position: relative; width: 100%; height: 360px; overflow: hidden;
  background: #dce5eb;
  display: flex; align-items: center; justify-content: center;
}
.director-photo-wrap img {
  width: 100%; height: 100%;
  object-fit: contain;
  object-position: center center;
  transition: transform .5s var(--ease);
  display: block;
}
.director-card:hover .director-photo-wrap img { transform: scale(1.03); }

.director-photo-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,53,71,.65) 0%, transparent 45%);
  pointer-events: none;
}

/* Director initials: ONLY visible when image fails to load */
.director-initials {
  position: absolute; inset: 0;
  align-items: center; justify-content: center;
  font-size: 3.5rem; font-weight: 800; color: rgba(255,255,255,.5); letter-spacing: .05em;
  display: none;  /* hidden by default — shown via JS on image error */
}
/* Override HTML [hidden] attribute if CSS display is set */
.director-initials[hidden] { display: none !important; }

.director-info { padding: 1.6rem 1.8rem 1.9rem; }

.director-info h3 {
  font-size: 1.18rem; font-weight: 800; color: var(--c-primary); margin-bottom: .35rem;
}
.director-role {
  font-size: .8rem; font-weight: 500; color: var(--c-secondary);
  margin-bottom: .9rem; letter-spacing: .01em;
}
.director-bio {
  font-size: .86rem; color: #5a6c7d; line-height: 1.75; margin-bottom: 1.1rem;
}
.director-tags { display: flex; flex-wrap: wrap; gap: .45rem; }
.tag {
  font-size: .72rem; font-weight: 600; letter-spacing: .01em;
  color: var(--c-primary); background: rgba(10,53,71,.07);
  border: 1px solid rgba(10,53,71,.12); padding: .25rem .75rem;
  border-radius: var(--r-pill);
  transition: background .2s var(--ease);
}
.tag:hover { background: rgba(10,53,71,.14); }

/* ── 18. Contact Section (sin formulario) ─────────────────────── */
.contact-centered {
  max-width: 860px; margin: 0 auto;
  display: flex; flex-direction: column; align-items: center; gap: 2.5rem;
}

/* 3-column cards row */
.contact-cards-row {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem; width: 100%;
}

.contact-card {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  gap: 1rem; padding: 2rem 1.5rem; border-radius: var(--r-xl);
  background: var(--c-white); border: 1px solid var(--c-border);
  box-shadow: var(--shadow-md);
  transition: transform .3s var(--ease-spring), box-shadow .3s var(--ease), border-color .2s var(--ease);
  text-decoration: none; color: inherit;
}
a.contact-card:hover {
  transform: translateY(-6px); box-shadow: var(--shadow-lg);
  border-color: rgba(13,144,144,.3);
}

.contact-card-icon {
  width: 64px; height: 64px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, rgba(13,144,144,.14), rgba(10,53,71,.08));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
  transition: transform .3s var(--ease-spring);
}
a.contact-card:hover .contact-card-icon { transform: scale(1.1) rotate(-5deg); }

.contact-card-label {
  font-size: .72rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase;
  color: var(--c-secondary);
}
.contact-card-value {
  font-size: .97rem; font-weight: 600; color: var(--c-primary); line-height: 1.4;
}
.contact-card-sub {
  font-size: .78rem; color: var(--c-text-muted); line-height: 1.5;
}

/* CTA block */
.contact-cta-block {
  width: 100%; display: flex; flex-direction: column; align-items: center;
  gap: 1.2rem; text-align: center;
}

.contact-wa-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .75rem;
  padding: 1.1rem 2.8rem; border-radius: var(--r-pill);
  background: linear-gradient(135deg, #25d366, #128c7e); color: var(--c-white);
  font-weight: 700; font-size: 1.02rem; letter-spacing: .01em;
  box-shadow: 0 8px 32px rgba(37,211,102,.38);
  transition: transform .25s var(--ease-spring), box-shadow .25s var(--ease);
  text-decoration: none;
}
.contact-wa-btn:hover { transform: translateY(-3px); box-shadow: 0 14px 42px rgba(37,211,102,.52); }
.contact-wa-btn svg   { width: 24px; height: 24px; flex-shrink: 0; }

.contact-note {
  font-size: .83rem; color: var(--c-text-muted); line-height: 1.75; max-width: 36rem;
  padding: 1rem 1.4rem; border-radius: var(--r-md);
  background: rgba(13,144,144,.05); border: 1px dashed rgba(13,144,144,.28);
}

/* Responsive */
@media (max-width: 640px) {
  .contact-cards-row { grid-template-columns: 1fr; }
  .contact-wa-btn { width: 100%; padding: 1rem 1.5rem; font-size: .95rem; }
}

/* ── 19. Footer ───────────────────────────────────────────────── */
footer {
  background: linear-gradient(160deg, var(--c-primary) 0%, #0c4a63 100%);
  color: rgba(255,255,255,.72); padding: 3.5rem 0 0;
}

.footer-grid {
  display: grid; grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 2.5rem; padding-bottom: 3rem;
}

.footer-brand { display: flex; flex-direction: column; gap: .9rem; }
.footer-brand-row { display: flex; align-items: center; gap: .8rem; }

.footer-logo {
  width: 48px; height: 48px; border-radius: 12px; flex-shrink: 0;
  background: var(--c-white);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; position: relative;
}
.footer-logo img {
  width: 100%; height: 100%; object-fit: contain; object-position: center;
  position: absolute; inset: 0;
}
.footer-logo-fallback {
  font-size: .78rem; font-weight: 800; color: var(--c-primary); letter-spacing: .04em;
  display: none; position: relative; z-index: 1;
}

.footer-brand-name strong { display: block; font-size: .96rem; font-weight: 800; color: var(--c-white); letter-spacing: .06em; text-transform: uppercase; }
.footer-brand-name span   { font-size: .69rem; color: rgba(255,255,255,.5); }

.footer-brand p { font-size: .82rem; line-height: 1.72; max-width: 22rem; color: rgba(255,255,255,.6); }

.footer-col h4 {
  font-size: .78rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase;
  color: rgba(255,255,255,.45); margin-bottom: 1.1rem;
}
.footer-col ul li { margin-bottom: .55rem; }
.footer-col ul a {
  font-size: .83rem; color: rgba(255,255,255,.62);
  transition: color .2s var(--ease);
}
.footer-col ul a:hover { color: var(--c-accent); }

.footer-contact a,
.footer-contact span {
  display: flex; align-items: center; gap: .5rem;
  font-size: .82rem; color: rgba(255,255,255,.62); margin-bottom: .55rem;
  transition: color .2s var(--ease);
}
.footer-contact a:hover { color: var(--c-accent); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 1.4rem 0;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
}
.footer-copy { font-size: .78rem; color: rgba(255,255,255,.38); }
.footer-legal { display: flex; gap: 1.4rem; }
.footer-legal a { font-size: .78rem; color: rgba(255,255,255,.38); transition: color .2s var(--ease); }
.footer-legal a:hover { color: rgba(255,255,255,.7); }

/* ── 20. WhatsApp FAB ─────────────────────────────────────────── */
.whatsapp-fab {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 150;
  width: 58px; height: 58px; border-radius: 50%;
  background: linear-gradient(135deg, #25d366, #128c7e);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 28px rgba(37,211,102,.42);
  transition: transform .25s var(--ease-spring), box-shadow .25s var(--ease);
}
.whatsapp-fab:hover { transform: scale(1.1) translateY(-2px); box-shadow: 0 14px 38px rgba(37,211,102,.55); }
.whatsapp-fab:active { transform: scale(.95); }

.fab-tooltip {
  position: absolute; right: 70px; top: 50%; transform: translateY(-50%);
  background: var(--c-primary); color: var(--c-white);
  font-size: .78rem; font-weight: 600;
  padding: .38rem .85rem; border-radius: var(--r-pill);
  white-space: nowrap; pointer-events: none;
  opacity: 0; transition: opacity .2s var(--ease), transform .2s var(--ease);
  transform: translateY(-50%) translateX(6px);
}
.fab-tooltip::after {
  content: '';
  position: absolute; left: 100%; top: 50%; transform: translateY(-50%);
  border: 5px solid transparent; border-left-color: var(--c-primary);
}
.whatsapp-fab:hover .fab-tooltip { opacity: 1; transform: translateY(-50%) translateX(0); }

/* ── 21. Back to Top ──────────────────────────────────────────── */
.back-to-top {
  position: fixed; bottom: 2rem; left: 2rem; z-index: 150;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--c-primary); color: var(--c-white); border: none;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0; pointer-events: none; transform: translateY(10px);
  transition: opacity .3s var(--ease), transform .3s var(--ease), background .2s var(--ease);
}
.back-to-top.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.back-to-top:hover { background: var(--c-secondary); }
.back-to-top svg { width: 18px; height: 18px; }

/* ── 22. Responsive — 1140px ──────────────────────────────────── */
@media (max-width: 1140px) {
  .cards-grid   { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: 2rem; }
  .process-grid::after { display: none; }
  .footer-grid  { grid-template-columns: 1.6fr 1fr 1fr; }
  .footer-grid .footer-col:last-child { grid-column: 1 / -1; }
}

/* ── 23. Responsive — 900px ───────────────────────────────────── */
@media (max-width: 900px) {
  :root { --section-pad: clamp(3.5rem, 6vw, 5.5rem); }

  .nav-center   { display: none; }
  .nav-actions  { display: none; }
  .nav-toggle   { display: flex; }

  .hero-grid    { grid-template-columns: 1fr; }
  .hero-card    { max-width: 500px; margin: 0 auto; }

  .pillars-inner { grid-template-columns: repeat(2, 1fr); }
  .pillar-item:nth-child(2) { border-right: none; }
  .pillar-item:nth-child(1),
  .pillar-item:nth-child(2) { border-bottom: 1px solid rgba(255,255,255,.08); }

  .about-grid   { grid-template-columns: 1fr; gap: 2rem; }

  .testimonials-grid { grid-template-columns: 1fr 1fr; }

  .directors-grid { grid-template-columns: 1fr 1fr; }

  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }

  .footer-grid  { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

/* ── 24. Responsive — 640px ───────────────────────────────────── */
@media (max-width: 640px) {
  :root { --section-pad: 3rem; }

  .hero h1 { font-size: clamp(1.85rem, 7vw, 2.6rem); }

  .hero-cta   { flex-direction: column; }
  .hero-cta .btn { width: 100%; text-align: center; justify-content: center; }

  .hero-services { grid-template-columns: 1fr; }

  .pillars-inner { grid-template-columns: 1fr; }
  .pillar-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,.08); }
  .pillar-item:last-child { border-bottom: none; }

  .cards-grid    { grid-template-columns: 1fr; }
  .card--featured { transform: none; }

  .benefits-grid { grid-template-columns: 1fr; }

  .testimonials-grid { grid-template-columns: 1fr; }

  .directors-grid { grid-template-columns: 1fr; }
  .director-photo-wrap { height: 240px; }

  .form-row { grid-template-columns: 1fr; }

  .contact-form-card { padding: 1.6rem 1.3rem; }

  .footer-grid   { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .whatsapp-fab  { bottom: 1.2rem; right: 1.2rem; width: 52px; height: 52px; }
  .back-to-top   { display: none; }

  .values-grid { grid-template-columns: 1fr; }

  .process-grid { grid-template-columns: 1fr; }

  .section-title { letter-spacing: -.015em; }
}

/* ── 25. Reduced Motion ───────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}