/* =========================================================
   PRIMECORP SPA — hoja de estilos principal
   Paleta: negro elegante + dorado (identidad de marca)
   ========================================================= */

:root {
  --black: #0a0a0a;
  --black-soft: #141414;
  --black-card: #1b1b1b;
  --cream: #f8f6f1;
  --cream-soft: #f1ede4;
  --white: #ffffff;
  --gold: #c6a34f;
  --gold-light: #e8d9a8;
  --gold-dark: #9a7b2e;
  --text-dark: #2a2822;
  --text-muted: #6b6558;
  --text-light: #d8d3c6;
  --text-light-muted: #a9a394;

  --font-heading: 'Cormorant Garamond', 'Georgia', serif;
  --font-body: 'Poppins', 'Segoe UI', sans-serif;

  --container-width: 1180px;
  --radius: 10px;
  --transition: all 0.35s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--text-dark);
  background: var(--cream);
  line-height: 1.65;
  overflow-x: hidden;
}

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

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

ul { list-style: none; }

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 110px 0; }

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 60px;
}

.overline {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold-dark);
  margin-bottom: 14px;
}

.section-header .overline { color: var(--gold); }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--text-dark);
  line-height: 1.15;
}

h2.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: 16px;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

.text-light h2.section-title,
.text-light .section-header p { color: var(--text-light); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 34px;
  border-radius: 50px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.4px;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-gold {
  background: linear-gradient(120deg, var(--gold-dark), var(--gold) 50%, var(--gold-light));
  color: #1a1607;
  box-shadow: 0 8px 24px rgba(198, 163, 79, 0.25);
}

.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(198, 163, 79, 0.4); }

.btn-outline {
  background: transparent;
  border-color: rgba(255,255,255,0.35);
  color: var(--white);
}

.btn-outline:hover { border-color: var(--gold); color: var(--gold); }

.btn-outline-dark {
  background: transparent;
  border-color: rgba(20,20,20,0.25);
  color: var(--text-dark);
}

.btn-outline-dark:hover { border-color: var(--gold-dark); color: var(--gold-dark); }

.btn-block { width: 100%; justify-content: center; }

/* ---------- Header / Navbar ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.75);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(198, 163, 79, 0.12);
  transition: var(--transition);
}

.navbar.scrolled { background: rgba(10, 10, 10, 0.96); }

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.navbar .logo img { height: 42px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-links a {
  color: var(--text-light);
  font-size: 0.94rem;
  font-weight: 500;
  position: relative;
  padding: 6px 0;
  transition: var(--transition);
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--gold);
  transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active { color: var(--gold-light); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-cta { display: flex; align-items: center; gap: 18px; }
.nav-cta .btn { padding: 11px 26px; font-size: 0.88rem; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  z-index: 1100;
}

.nav-toggle span {
  width: 26px;
  height: 2px;
  background: var(--gold-light);
  transition: var(--transition);
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: radial-gradient(circle at 78% 30%, rgba(198,163,79,0.14), transparent 55%), var(--black);
  overflow: hidden;
  padding-top: 84px;
}

.hero-emblem {
  position: absolute;
  right: -8%;
  top: 50%;
  transform: translateY(-50%);
  width: 620px;
  max-width: 60vw;
  opacity: 0.85;
  filter: drop-shadow(0 0 60px rgba(198,163,79,0.08));
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 40px;
}

.hero-content { max-width: 620px; }

.hero-content .overline {
  color: var(--gold);
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero-content .overline::before {
  content: '';
  width: 34px;
  height: 1px;
  background: var(--gold);
  display: inline-block;
}

.hero-content h1 {
  color: var(--white);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  margin: 18px 0 22px;
}

.hero-content h1 span { color: var(--gold); font-style: italic; }

.hero-content p {
  color: var(--text-light-muted);
  font-size: 1.08rem;
  max-width: 520px;
  margin-bottom: 38px;
}

.hero-actions { display: flex; gap: 18px; flex-wrap: wrap; margin-bottom: 50px; }

.hero-stats {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}

.hero-stats div strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--gold-light);
  line-height: 1;
}

.hero-stats div span {
  display: block;
  margin-top: 6px;
  font-size: 0.82rem;
  color: var(--text-light-muted);
  letter-spacing: 0.4px;
}

.scroll-cue {
  position: absolute;
  bottom: 34px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-light-muted);
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.scroll-cue .line {
  width: 1px;
  height: 34px;
  background: linear-gradient(var(--gold), transparent);
  animation: scrollLine 1.8s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ---------- Franja de marcas / valores ---------- */
.values-strip {
  background: var(--cream-soft);
  border-top: 1px solid rgba(0,0,0,0.05);
  border-bottom: 1px solid rgba(0,0,0,0.05);
  padding: 46px 0;
}

.values-strip .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  text-align: center;
}

.value-item {
  flex: 1;
  min-width: 160px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.value-item i { color: var(--gold-dark); font-size: 1.5rem; }
.value-item span { font-size: 0.88rem; font-weight: 600; color: var(--text-dark); letter-spacing: 0.3px; }

/* ---------- Servicios ---------- */
.services { background: var(--cream); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--radius);
  padding: 44px 30px;
  text-align: left;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--gold-dark), var(--gold), var(--gold-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 22px 44px rgba(20,20,20,0.08);
}

.service-card:hover::before { transform: scaleX(1); }

.service-icon {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(198,163,79,0.15), rgba(198,163,79,0.05));
  color: var(--gold-dark);
  font-size: 1.4rem;
  margin-bottom: 24px;
}

.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ---------- Nosotros ---------- */
.about {
  background: var(--black);
  color: var(--text-light);
  position: relative;
  overflow: hidden;
}

.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 70px;
  align-items: center;
}

.about-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-visual img {
  width: 100%;
  max-width: 380px;
  opacity: 0.95;
}

.about-text .overline { color: var(--gold); }
.about-text h2 { color: var(--white); margin: 16px 0 22px; font-size: clamp(1.9rem, 3.6vw, 2.5rem); }
.about-text > p { color: var(--text-light-muted); margin-bottom: 30px; font-size: 1.02rem; }

.about-points {
  display: grid;
  gap: 20px;
  margin-bottom: 36px;
}

.about-point {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px;
  background: var(--black-card);
  border: 1px solid rgba(198,163,79,0.15);
  border-radius: var(--radius);
}

.about-point i { color: var(--gold); font-size: 1.15rem; margin-top: 3px; }
.about-point h4 { color: var(--white); font-size: 1rem; margin-bottom: 4px; }
.about-point p { color: var(--text-light-muted); font-size: 0.9rem; margin: 0; }

.about-stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}

.about-stats div strong {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  color: var(--gold-light);
  display: block;
  line-height: 1;
}

.about-stats div span {
  font-size: 0.82rem;
  color: var(--text-light-muted);
  letter-spacing: 0.3px;
}

/* ---------- Proceso de trabajo ---------- */
.process { background: var(--cream-soft); }

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  counter-reset: step;
}

.process-step {
  position: relative;
  padding: 34px 26px;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid rgba(0,0,0,0.05);
}

.process-step .step-number {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  color: var(--gold-light);
  -webkit-text-stroke: 1.5px var(--gold-dark);
  color: transparent;
  display: block;
  margin-bottom: 14px;
}

.process-step h4 { font-size: 1.05rem; margin-bottom: 8px; }
.process-step p { color: var(--text-muted); font-size: 0.9rem; }

/* ---------- CTA banda ---------- */
.cta-band {
  background: linear-gradient(120deg, #14110a, var(--black) 60%);
  color: var(--white);
  text-align: center;
  position: relative;
}

.cta-band h2 { color: var(--white); font-size: clamp(1.8rem, 3.6vw, 2.6rem); margin-bottom: 18px; }
.cta-band p { color: var(--text-light-muted); max-width: 560px; margin: 0 auto 34px; }
.cta-actions { display: flex; justify-content: center; gap: 18px; flex-wrap: wrap; }

/* ---------- Contacto ---------- */
.contact { background: var(--cream); }

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
}

.contact-info-list { display: grid; gap: 20px; margin-bottom: 34px; }

.contact-info-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: var(--white);
  padding: 22px;
  border-radius: var(--radius);
  border: 1px solid rgba(0,0,0,0.06);
}

.contact-info-item i {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(198,163,79,0.16), rgba(198,163,79,0.05));
  color: var(--gold-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.05rem;
}

.contact-info-item h4 { font-size: 1rem; margin-bottom: 4px; }
.contact-info-item p, .contact-info-item a { color: var(--text-muted); font-size: 0.93rem; }
.contact-info-item a:hover { color: var(--gold-dark); }

.social-row { display: flex; gap: 14px; }

.social-row a {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(0,0,0,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dark);
  transition: var(--transition);
}

.social-row a:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: #1a1607;
  transform: translateY(-3px);
}

.contact-form {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid rgba(0,0,0,0.06);
  padding: 40px;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 13px 16px;
  border-radius: 8px;
  border: 1.5px solid rgba(0,0,0,0.1);
  background: var(--cream-soft);
  font-family: var(--font-body);
  font-size: 0.94rem;
  color: var(--text-dark);
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--gold);
  background: var(--white);
}

.form-note { font-size: 0.8rem; color: var(--text-muted); margin-top: 14px; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--black);
  color: var(--text-light-muted);
  padding: 70px 0 26px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand img { height: 40px; margin-bottom: 18px; }
.footer-brand p { font-size: 0.9rem; max-width: 300px; }

.footer-col h4 {
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.9rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a { font-size: 0.9rem; transition: var(--transition); }
.footer-col ul li a:hover { color: var(--gold); }

.footer-col p, .footer-col a { font-size: 0.9rem; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  padding-top: 26px;
  font-size: 0.82rem;
}

.footer-bottom a:hover { color: var(--gold); }

/* ---------- Botones flotantes ---------- */
.floating-actions {
  position: fixed;
  right: 26px;
  bottom: 26px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  z-index: 900;
}

.fab {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  box-shadow: 0 10px 26px rgba(0,0,0,0.25);
  transition: var(--transition);
}

.fab-whatsapp { background: #25d366; color: var(--white); }
.fab-whatsapp:hover { transform: scale(1.08); }

.fab-top {
  background: var(--black);
  color: var(--gold);
  border: 1px solid rgba(198,163,79,0.4);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
}

.fab-top.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.fab-top:hover { background: var(--gold); color: #1a1607; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .about-visual { order: -1; }
  .about-visual img { max-width: 260px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .hero .container { grid-template-columns: 1fr; }
  .hero-emblem { position: relative; right: auto; top: auto; transform: none; width: 320px; max-width: 70vw; margin: 40px auto 0; opacity: 0.5; }
}

@media (max-width: 768px) {
  section { padding: 80px 0; }
  .nav-links, .nav-cta .btn-outline { display: none; }
  .nav-toggle { display: flex; }

  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: 78%;
    max-width: 320px;
    height: 100vh;
    background: var(--black-soft);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 40px;
    gap: 28px;
    transition: right 0.4s ease;
    border-left: 1px solid rgba(198,163,79,0.15);
  }

  .nav-links.open { right: 0; display: flex; }

  .services-grid, .process-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 34px; }
  .hero-stats { gap: 30px; }
  .values-strip .container { justify-content: center; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: stretch; }
  .cta-actions { flex-direction: column; align-items: stretch; }
  .contact-form { padding: 26px; }
}