/* ============================================================
   contacto.css — Cold Hub · Página de Contacto & Equipo
   ============================================================ */

/* ── Custom Properties ─────────────────────────────────────── */
:root {
  --clr-bg:           #060e1b;
  --clr-bg-2:         #081222;
  --clr-surface:      rgba(255,255,255,0.04);
  --clr-border:       rgba(255,255,255,0.07);
  --clr-border-hover: rgba(255,255,255,0.14);
  --clr-primary:      #1779f5;
  --clr-primary-h:    #2f8bff;
  --clr-accent:       #52c4f0;
  --clr-accent-dim:   rgba(82,196,240,0.15);
  --clr-text:         #f0f4ff;
  --clr-muted:        #94a3b8;
  --clr-dim:          #cbd5e1;

  --font-display:     'Syne', sans-serif;
  --font-body:        'DM Sans', sans-serif;

  --nav-height:       80px;
  --radius-sm:        10px;
  --radius-md:        18px;
  --radius-lg:        26px;
  --radius-xl:        36px;

  --ease:             cubic-bezier(0.4,0,0.2,1);
  --transition:       0.3s var(--ease);
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family:  var(--font-body);
  background:   var(--clr-bg);
  color:        var(--clr-text);
  overflow-x:   hidden;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a   { color: inherit; text-decoration: none; }
ul  { list-style: none; }
button { font-family: var(--font-body); }

/* ── Ambient glows ──────────────────────────────────────────── */
body::before, body::after {
  content:        '';
  position:       fixed;
  border-radius:  50%;
  pointer-events: none;
  z-index:        -1;
}
body::before {
  width:      900px; height: 900px;
  background: radial-gradient(circle, rgba(23,121,245,0.14) 0%, transparent 70%);
  top: -300px; left: -300px;
}
body::after {
  width:      750px; height: 750px;
  background: radial-gradient(circle, rgba(82,196,240,0.1) 0%, transparent 70%);
  bottom: -250px; right: -250px;
}

/* ── Utility ────────────────────────────────────────────────── */
.glass {
  background:      var(--clr-surface);
  border:          1px solid var(--clr-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.section-tag {
  display: inline-block;
  color:   var(--clr-accent);
  font-size: 12px;
  font-weight:    600;
  letter-spacing: 2.5px;
  text-transform: uppercase;
}

/* ── Reveal ─────────────────────────────────────────────────── */
[data-reveal] {
  opacity:   0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
[data-reveal].revealed { opacity: 1; transform: translateY(0); }
[data-reveal][data-delay="100"] { transition-delay: 0.1s; }
[data-reveal][data-delay="200"] { transition-delay: 0.2s; }
[data-reveal][data-delay="300"] { transition-delay: 0.3s; }
[data-reveal][data-delay="400"] { transition-delay: 0.4s; }

/* Spinner */
.btn-spinner {
  display: inline-block;
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin-right: 10px;
  vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ═══════════════════════════════════════════════════════════
   NAVBAR
════════════════════════════════════════════════════════════ */
.navbar {
  position:        fixed;
  top: 0; left: 0; right: 0;
  z-index:         1000;
  height:          var(--nav-height);
  padding:         0 60px;
  display:         flex;
  align-items:     center;
  justify-content: space-between;
  gap:             40px;
  background:      rgba(6,14,27,0.5);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom:   1px solid rgba(255,255,255,0.06);
  transition:      background var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
  background: rgba(6,14,27,0.92);
  box-shadow: 0 4px 40px rgba(0,0,0,0.4);
}
.logo img { height: 48px; width: auto; transition: opacity var(--transition); }
.logo img:hover { opacity: 0.85; }

.nav-links { display: flex; align-items: center; gap: 36px; }
.nav-links a {
  font-size: 14px; font-weight: 500;
  color: rgba(255,255,255,0.7);
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: ''; position: absolute;
  bottom: -4px; left: 0; right: 100%;
  height: 1px; background: var(--clr-accent);
  transition: right var(--transition);
}
.nav-links a:hover { color: #fff; }
.nav-links a:hover::after { right: 0; }

.nav-cta {
  padding: 12px 24px;
  border: none; border-radius: var(--radius-md);
  background: var(--clr-primary);
  color: white;
  font-family: var(--font-body);
  font-size: 14px; font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  white-space: nowrap;
}
.nav-cta:hover { background: var(--clr-primary-h); transform: translateY(-1px); }

/* Hamburger */
.menu-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 8px;
}
.menu-toggle span {
  display: block; width: 24px; height: 2px;
  background: white; border-radius: 2px;
  transition: transform 0.35s var(--ease), opacity 0.25s;
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile overlay */
.mobile-overlay {
  position: fixed; inset: 0; z-index: 999;
  background: rgba(6,14,27,0.97);
  backdrop-filter: blur(20px);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 32px;
  opacity: 0; pointer-events: none;
  transition: opacity 0.35s var(--ease);
}
.mobile-overlay.open { opacity: 1; pointer-events: auto; }
.mobile-overlay a {
  font-family: var(--font-display);
  font-size: 26px; font-weight: 600;
  color: rgba(255,255,255,0.8);
  transition: color var(--transition);
}
.mobile-overlay a:hover { color: var(--clr-accent); }
.mobile-overlay .nav-cta { font-size: 16px; padding: 14px 32px; margin-top: 8px; }

/* ═══════════════════════════════════════════════════════════
   HERO
════════════════════════════════════════════════════════════ */
.hero {
  height: 100vh;
  min-height: 560px;
  position: relative;
  display: flex;
  align-items: center;
  padding: 0 10%;
  background:
    linear-gradient(rgba(6,14,27,0.70), rgba(6,14,27,0.92)),
    url('./assets/images/office.png') center/cover no-repeat;
}
.hero-content {
  max-width: 680px;
  animation: fadeUp 0.9s var(--ease) both;
}
@keyframes fadeUp {
  from { opacity:0; transform:translateY(32px); }
  to   { opacity:1; transform:translateY(0); }
}
.hero-eyebrow {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  font-size: 13px;
  color: var(--clr-accent);
  margin-bottom: 28px;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(42px, 5.5vw, 72px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
}
.hero p {
  font-size: 18px;
  line-height: 1.8;
  color: var(--clr-dim);
}

/* ═══════════════════════════════════════════════════════════
   SECTION LAYOUT
════════════════════════════════════════════════════════════ */
section { padding: 120px 10%; }
.section-header { text-align: center; margin-bottom: 70px; }
.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 3.5vw, 48px);
  font-weight: 700;
  margin-top: 16px;
  letter-spacing: -0.5px;
  line-height: 1.15;
}

/* ═══════════════════════════════════════════════════════════
   ABOUT CARDS
════════════════════════════════════════════════════════════ */
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.about-card {
  padding: 40px 36px;
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), transform var(--transition);
}
.about-card:hover {
  border-color: var(--clr-border-hover);
  transform: translateY(-4px);
}
.about-card-icon {
  font-size: 32px;
  margin-bottom: 20px;
}
.about-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 14px;
}
.about-card p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--clr-dim);
}

/* ═══════════════════════════════════════════════════════════
   STAFF / TEAM
════════════════════════════════════════════════════════════ */
.staff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.staff-card {
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition);
}
.staff-card:hover {
  border-color: var(--clr-border-hover);
  transform: translateY(-5px);
}
.staff-image-wrap {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
}
.staff-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}
.staff-card:hover .staff-image-wrap img { transform: scale(1.04); }
.staff-image-wrap::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 40%;
  background: linear-gradient(transparent, rgba(6,14,27,0.7));
  pointer-events: none;
}
.staff-info { padding: 28px 32px 36px; }
.staff-info h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 6px;
}
.staff-role {
  display: inline-block;
  color: var(--clr-accent);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 16px;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--clr-accent-dim);
}
.staff-info p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--clr-muted);
}

/* ═══════════════════════════════════════════════════════════
   CONTACT FORM
════════════════════════════════════════════════════════════ */
.contact-section { padding-bottom: 140px; }
.contact-box {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  padding: 64px;
  border-radius: var(--radius-xl);
}
.contact-left { display: flex; flex-direction: column; justify-content: center; }
.contact-left h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 44px);
  font-weight: 700;
  margin: 16px 0 20px;
  letter-spacing: -0.5px;
  line-height: 1.2;
}
.contact-left p {
  font-size: 16px;
  color: var(--clr-dim);
  line-height: 1.8;
  margin-bottom: 32px;
}
.contact-meta {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.contact-meta-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--clr-muted);
}
.contact-meta-item-icon {
  font-size: 18px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--clr-accent-dim);
  flex-shrink: 0;
}

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 16px 18px;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.04);
  color: var(--clr-text);
  font-family: var(--font-body);
  font-size: 15px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--clr-muted);
}
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px rgba(82,196,240,0.12);
}
.contact-form textarea {
  min-height: 140px;
  resize: vertical;
}

.submit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 17px;
  border: none;
  border-radius: var(--radius-md);
  background: var(--clr-primary);
  color: white;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.submit-btn:hover { background: var(--clr-primary-h); transform: translateY(-1px); }
.submit-btn:disabled { opacity: 0.7; cursor: not-allowed; transform: none; }

/* ═══════════════════════════════════════════════════════════
   FOOTER
════════════════════════════════════════════════════════════ */
footer {
  padding: 52px 10%;
  border-top: 1px solid var(--clr-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}
.footer-brand {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
}
.footer-links { display: flex; gap: 28px; }
.footer-links a {
  font-size: 14px;
  color: var(--clr-muted);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--clr-text); }
.footer-copy { font-size: 13px; color: var(--clr-muted); }

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
════════════════════════════════════════════════════════════ */
@media (max-width: 1100px) {
  .about-grid { grid-template-columns: 1fr; gap: 20px; }
  .staff-grid { grid-template-columns: 1fr 1fr; }
  .contact-box { grid-template-columns: 1fr; gap: 40px; padding: 48px; }
}

@media (max-width: 768px) {
  .navbar { padding: 0 20px; }
  .nav-links, .nav-cta { display: none; }
  .menu-toggle { display: flex; }
  section { padding: 80px 5%; }
  .hero { padding: 0 5%; }
  .hero h1 { font-size: 38px; }
  .staff-grid { grid-template-columns: 1fr; }
  .contact-box { padding: 32px 24px; }
  .form-row { grid-template-columns: 1fr; }
  footer { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 32px; }
  .about-grid { grid-template-columns: 1fr; }
}