/* ==============================================
   REFORMAS COSTA - Hoja de estilos principal
   ============================================== */

/* ---------- Variables ---------- */
:root {
  --primary:      #1a2332;
  --primary-light:#243044;
  --accent:       #d4a843;
  --accent-dark:  #b8912e;
  --white:        #ffffff;
  --light:        #f5f6f8;
  --gray:         #6c757d;
  --dark-gray:    #343a40;
  --text:         #2d3436;
  --border:       #e0e4ea;
  --shadow-sm:    0 2px 12px rgba(0,0,0,0.07);
  --shadow:       0 6px 24px rgba(0,0,0,0.10);
  --shadow-lg:    0 16px 48px rgba(0,0,0,0.14);
  --radius:       10px;
  --radius-lg:    16px;
  --transition:   all 0.3s ease;
  --font-head:    'Montserrat', sans-serif;
  --font-body:    'Open Sans', sans-serif;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  background: var(--white);
}
img { max-width: 100%; height: auto; display: block; }
a  { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---------- Container ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 50px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.3px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
}
.btn-primary {
  background: var(--accent);
  color: var(--primary);
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(212,168,67,0.38);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.7);
}
.btn-outline:hover {
  background: var(--white);
  color: var(--primary);
  border-color: var(--white);
}
.btn-full { width: 100%; justify-content: center; }
.btn-link {
  color: var(--accent);
  font-weight: 700;
  font-family: var(--font-head);
  font-size: 0.88rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-link:hover { gap: 10px; color: var(--accent-dark); }

/* ---------- Section labels & headers ---------- */
.section-label {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.section-header {
  text-align: center;
  max-width: 660px;
  margin: 0 auto 64px;
}
.section-header h2 {
  font-family: var(--font-head);
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  font-weight: 800;
  color: var(--primary);
  line-height: 1.25;
  margin-bottom: 16px;
}
.section-header p {
  color: var(--gray);
  font-size: 1.03rem;
}
.section-header.light h2  { color: var(--white); }
.section-header.light p   { color: rgba(255,255,255,0.72); }

/* Fade-in animation */
.fade-in {
  opacity: 0;
  transition: opacity 0.7s ease, transform 0.7s ease;
  transform: translateY(24px);
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ================================================
   HEADER
   ================================================ */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.07);
  transition: var(--transition);
}
#header.scrolled {
  box-shadow: 0 4px 28px rgba(0,0,0,0.13);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.logo-text {
  font-family: var(--font-head);
  font-size: 1.42rem;
  color: var(--primary);
  letter-spacing: -0.3px;
  font-weight: 700;
}
.logo-text strong { color: var(--accent); }
nav ul  { display: flex; gap: 4px; }
nav ul li a {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text);
  padding: 8px 14px;
  border-radius: 8px;
}
nav ul li a:hover,
nav ul li a.active { color: var(--accent); background: rgba(212,168,67,0.1); }
.header-cta { display: flex; align-items: center; gap: 12px; }
.btn-call {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.85rem;
  background: var(--accent);
  color: var(--primary);
  padding: 9px 20px;
  border-radius: 50px;
  display: flex;
  align-items: center;
  gap: 7px;
}
.btn-call:hover { background: var(--accent-dark); transform: translateY(-1px); }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ================================================
   HERO
   ================================================ */
.hero {
  min-height: 100vh;
  position: relative;
  background:
    url('https://images.unsplash.com/photo-1541123437800-1bb1317badc2?w=1600&q=80')
    center / cover no-repeat;
  display: flex;
  align-items: center;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(26,35,50,0.92) 0%,
    rgba(26,35,50,0.55) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 110px 0 80px;
}
.hero-label {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  border-left: 3px solid var(--accent);
  padding-left: 12px;
}
.hero-content h1 {
  font-family: var(--font-head);
  font-size: clamp(2.4rem, 5.5vw, 4.8rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.12;
  margin-bottom: 24px;
}
.hero-content h1 span { color: var(--accent); }
.hero-content p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.82);
  max-width: 560px;
  margin-bottom: 42px;
  line-height: 1.85;
}
.hero-btns  { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-scroll {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: rgba(255,255,255,0.6);
  font-size: 1.1rem;
  animation: bounce 2.2s infinite;
}
.hero-scroll:hover { color: var(--accent); }
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(9px); }
}

/* ================================================
   FEATURES BAR
   ================================================ */
.features-bar {
  background: var(--primary);
  padding: 32px 0;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.feature-item {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--white);
}
.feature-item i { font-size: 1.9rem; color: var(--accent); flex-shrink: 0; }
.feature-item strong {
  display: block;
  font-family: var(--font-head);
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 2px;
}
.feature-item span { font-size: 0.78rem; color: rgba(255,255,255,0.60); }

/* ================================================
   ABOUT
   ================================================ */
.about { padding: 110px 0; background: var(--white); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.about-image { position: relative; }
.about-image img {
  width: 100%;
  height: 490px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}
.about-badge {
  position: absolute;
  bottom: -22px;
  right: -22px;
  background: var(--accent);
  color: var(--primary);
  padding: 20px 26px;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow);
}
.badge-num {
  display: block;
  font-family: var(--font-head);
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1;
}
.badge-text {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 4px;
}
.about-content h2 {
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 800;
  color: var(--primary);
  line-height: 1.3;
  margin-bottom: 20px;
}
.about-content p { color: var(--gray); margin-bottom: 16px; font-size: 0.97rem; }
.about-list {
  margin: 24px 0 34px;
  display: flex;
  flex-direction: column;
  gap: 11px;
}
.about-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
}
.about-list li i { color: var(--accent); font-size: 1rem; }

/* ================================================
   SERVICES
   ================================================ */
.services { padding: 110px 0; background: var(--light); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}
.service-card.featured {
  border: 2px solid var(--accent);
  position: relative;
}
.service-card.featured::before {
  content: 'Más popular';
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--accent);
  color: var(--primary);
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 12px;
  border-radius: 50px;
  z-index: 1;
}
.service-img {
  position: relative;
  height: 210px;
  overflow: hidden;
}
.service-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.service-card:hover .service-img img { transform: scale(1.06); }
.service-icon {
  position: absolute;
  bottom: -20px;
  right: 20px;
  width: 50px;
  height: 50px;
  background: var(--accent);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: 0 4px 14px rgba(212,168,67,0.45);
  z-index: 1;
}
.service-body { padding: 34px 24px 26px; }
.service-body h3 {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 12px;
}
.service-body p {
  color: var(--gray);
  font-size: 0.93rem;
  margin-bottom: 16px;
  line-height: 1.6;
}
.service-body ul {
  margin-bottom: 22px;
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.service-body ul li {
  font-size: 0.87rem;
  color: var(--text);
  padding-left: 18px;
  position: relative;
}
.service-body ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
}

/* ================================================
   PROCESS
   ================================================ */
.process { padding: 110px 0; background: var(--primary); }
.process-steps {
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.step {
  flex: 1;
  min-width: 180px;
  max-width: 220px;
  text-align: center;
  padding: 34px 20px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  transition: background 0.3s ease, transform 0.3s ease;
}
.step:hover { background: rgba(255,255,255,0.1); transform: translateY(-5px); }
.step-num {
  font-family: var(--font-head);
  font-size: 3rem;
  font-weight: 800;
  color: rgba(212,168,67,0.22);
  line-height: 1;
  margin-bottom: 6px;
}
.step-icon {
  width: 58px;
  height: 58px;
  background: var(--accent);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin: 0 auto 16px;
}
.step h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}
.step p { color: rgba(255,255,255,0.62); font-size: 0.86rem; line-height: 1.6; }
.step-arrow { color: rgba(255,255,255,0.28); font-size: 1.3rem; flex-shrink: 0; }

/* ================================================
   WHY US
   ================================================ */
.why-us { padding: 110px 0; background: var(--white); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.why-item {
  text-align: center;
  padding: 34px 22px;
  border-radius: var(--radius-lg);
  transition: var(--transition);
}
.why-item:hover { background: var(--light); }
.why-icon {
  width: 72px;
  height: 72px;
  background: rgba(212,168,67,0.12);
  color: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin: 0 auto 22px;
  transition: var(--transition);
}
.why-item:hover .why-icon {
  background: var(--accent);
  color: var(--primary);
  transform: scale(1.1);
}
.why-item h3 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}
.why-item p { color: var(--gray); font-size: 0.92rem; }

/* ================================================
   CONTACT
   ================================================ */
.contact { padding: 110px 0; background: var(--light); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.55fr;
  gap: 72px;
  align-items: start;
}
.contact-info h2 {
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 2.5vw, 1.9rem);
  font-weight: 800;
  color: var(--primary);
  margin: 10px 0 16px;
  line-height: 1.3;
}
.contact-info > p { color: var(--gray); margin-bottom: 36px; font-size: 0.97rem; }
.contact-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 36px;
}
.contact-list li {
  display: flex;
  align-items: center;
  gap: 14px;
}
.contact-icon {
  width: 42px;
  height: 42px;
  background: var(--accent);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.95rem;
}
.contact-list li a,
.contact-list li span {
  color: var(--text);
  font-weight: 500;
  font-size: 0.97rem;
}
.contact-list li a:hover { color: var(--accent); }
.contact-areas {
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px 22px;
  border-left: 4px solid var(--accent);
}
.contact-areas h4 {
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent);
  margin-bottom: 8px;
}
.contact-areas p { color: var(--gray); font-size: 0.88rem; }

/* Form */
.contact-form-wrap {
  background: var(--white);
  padding: 44px 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-weight: 700;
  font-size: 0.83rem;
  margin-bottom: 7px;
  color: var(--text);
  font-family: var(--font-head);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text);
  background: var(--white);
  transition: var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(212,168,67,0.13);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-check { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 24px; }
.form-check input { width: auto; margin-top: 4px; accent-color: var(--accent); cursor: pointer; }
.form-check label { font-size: 0.86rem; color: var(--gray); cursor: pointer; }
.form-check label a { color: var(--accent); }
.form-message {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 16px;
  display: none;
}
.form-message.success { background: #d4edda; color: #155724; display: block; }
.form-message.error   { background: #f8d7da; color: #721c24; display: block; }

/* ================================================
   FOOTER
   ================================================ */
.footer { background: var(--primary); color: var(--white); }
.footer-top { padding: 72px 0 40px; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
}
.footer-brand .logo-text { font-size: 1.5rem; }
.footer-brand p {
  color: rgba(255,255,255,0.58);
  margin-top: 14px;
  font-size: 0.9rem;
  line-height: 1.7;
}
.footer-col h4 {
  font-family: var(--font-head);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent);
  margin-bottom: 20px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 11px; }
.footer-col ul li { display: flex; align-items: center; gap: 9px; }
.footer-col ul li i { color: var(--accent); font-size: 0.82rem; flex-shrink: 0; }
.footer-col ul li a,
.footer-col ul li span {
  color: rgba(255,255,255,0.68);
  font-size: 0.9rem;
}
.footer-col ul li a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 22px 0;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { color: rgba(255,255,255,0.45); font-size: 0.85rem; }
.footer-legal { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-legal a {
  color: rgba(255,255,255,0.45);
  font-size: 0.8rem;
}
.footer-legal a:hover { color: var(--accent); }

/* ================================================
   FLOATING CALL BUTTON
   ================================================ */
.floating-call {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 999;
  width: 60px;
  height: 60px;
  background: var(--accent);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  box-shadow: 0 6px 28px rgba(212,168,67,0.55);
  transition: var(--transition);
  animation: ring-pulse 2.5s infinite;
}
.floating-call:hover {
  background: var(--accent-dark);
  transform: scale(1.1);
  color: var(--primary);
}
@keyframes ring-pulse {
  0%, 100% { box-shadow: 0 6px 28px rgba(212,168,67,0.55); }
  50%       { box-shadow: 0 6px 38px rgba(212,168,67,0.85), 0 0 0 10px rgba(212,168,67,0.12); }
}

/* ================================================
   RESPONSIVE — Tablet (≤ 1024px)
   ================================================ */
@media (max-width: 1024px) {
  .about-grid    { grid-template-columns: 1fr; gap: 50px; }
  .about-image   { display: none; }
  .contact-grid  { grid-template-columns: 1fr; gap: 50px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .why-grid      { grid-template-columns: repeat(2, 1fr); }
  .footer-grid   { grid-template-columns: repeat(2, 1fr); }
  .step-arrow    { display: none; }
  .process-steps { gap: 20px; }
}

/* ================================================
   RESPONSIVE — Mobile (≤ 768px)
   ================================================ */
@media (max-width: 768px) {
  nav {
    display: none;
    position: fixed;
    top: 76px;
    left: 0; right: 0;
    background: rgba(255,255,255,0.98);
    padding: 20px 24px 30px;
    box-shadow: 0 12px 32px rgba(0,0,0,0.1);
    flex-direction: column;
  }
  nav.open { display: flex; }
  nav ul {
    flex-direction: column;
    gap: 4px;
  }
  nav ul li a { padding: 13px 16px; font-size: 1rem; }
  .hamburger { display: flex; }
  .btn-call   { display: none; }

  .services-grid { grid-template-columns: 1fr; }
  .why-grid      { grid-template-columns: 1fr; }
  .form-row      { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 30px 22px; }
  .footer-grid   { grid-template-columns: 1fr; }
  .footer-bottom .container { flex-direction: column; text-align: center; }
  .footer-legal  { justify-content: center; }
  .process-steps { flex-direction: column; align-items: stretch; }
  .step          { max-width: 100%; }
  .hero-content  { padding: 100px 0 70px; }
}

/* ================================================
   RESPONSIVE — Small mobile (≤ 480px)
   ================================================ */
@media (max-width: 480px) {
  .features-grid { grid-template-columns: 1fr; }
  .hero-btns     { flex-direction: column; }
  .hero-btns .btn { width: 100%; justify-content: center; }
  .floating-call { bottom: 20px; right: 20px; width: 52px; height: 52px; }
}