/* =============================================
   REFORMAS A LO EXTREMO — style.css
   Design: Exaggerated Minimalism | Dark Dramatic
   Fonts: Bebas Neue + Source Sans 3
   ============================================= */

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

:root {
  --bg:          #0C0C0C;
  --surface:     #161616;
  --surface-2:   #1F1F1F;
  --accent:      #E05B1A;
  --accent-2:    #F5A623;
  --text:        #F0EDE8;
  --text-muted:  #888880;
  --border:      rgba(255,255,255,0.08);
  --nav-h:       72px;
  --radius:      4px;
  --transition:  220ms ease;
}

html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: 'Source Sans 3', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* --- TYPOGRAPHY --- */
.section-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2.8rem, 7vw, 6rem);
  letter-spacing: 0.03em;
  line-height: 0.95;
  color: var(--text);
}

.section-eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-header {
  margin-bottom: clamp(40px, 6vw, 72px);
}

/* --- BUTTONS --- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: #fff;
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 16px 32px;
  border-radius: var(--radius);
  transition: background var(--transition), transform var(--transition);
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary:hover { background: #c94e14; transform: translateY(-2px); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 3px; }

.btn-primary--large { padding: 20px 48px; font-size: 1.05rem; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 16px 0;
  border-bottom: 2px solid var(--border);
  transition: border-color var(--transition), color var(--transition);
}
.btn-ghost:hover { color: var(--accent); border-color: var(--accent); }
.btn-ghost:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 3px; }

/* --- CONTAINER --- */
.container {
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 80px);
}

/* --- SECTION --- */
.section {
  padding-block: clamp(72px, 10vw, 140px);
}

/* ================================================
   NAV
   ================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: transparent;
  transition: background 300ms ease, box-shadow 300ms ease;
}
.nav.scrolled {
  background: rgba(12, 12, 12, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border);
}
.nav-inner {
  height: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 80px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-logo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.3rem;
  letter-spacing: 0.1em;
  color: var(--text);
  flex-shrink: 0;
}
.nav-logo span { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-link {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #ffffff;
  transition: color var(--transition);
}
.nav-link:hover { color: var(--text); }
.nav-link:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 2px; }

.nav-cta {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 10px 22px;
  border: 1.5px solid var(--accent);
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
}
.nav-cta:hover { background: var(--accent); color: #fff; }
.nav-cta:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 3px; }

.nav-toggle {
  display: none;
  color: var(--text);
  padding: 6px;
  border-radius: var(--radius);
  transition: color var(--transition);
}
.nav-toggle:hover { color: var(--accent); }
.nav-toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

/* ================================================
   HERO
   ================================================ */
.hero {
  position: relative;
  width: 100%;
  min-height: 100dvh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

/* Desktop video — always rendered, hidden on mobile via CSS */
.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 0;
}

/* Mobile still image — hidden on desktop */
.hero-image {
  display: none;
  position: absolute;
  inset: 0;
  background-image: url('hero.jpg');
  background-size: cover;
  background-position: center;
  z-index: 0;
}

/* Gradient overlay for text legibility */
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(12,12,12,0.92) 0%,
    rgba(12,12,12,0.55) 40%,
    rgba(12,12,12,0.25) 70%,
    rgba(12,12,12,0.1) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 80px);
  padding-bottom: clamp(64px, 8vw, 120px);
}

.hero-eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 20px;
  opacity: 0;
  animation: fadeUp 0.8s 0.2s ease forwards;
}

.hero-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(4rem, 12vw, 11rem);
  letter-spacing: 0.03em;
  line-height: 0.92;
  color: var(--text);
  margin-bottom: 28px;
  opacity: 0;
  animation: fadeUp 0.9s 0.4s ease forwards;
}

.hero-accent { color: var(--accent); }

.hero-sub {
  max-width: 560px;
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  font-weight: 300;
  color: rgba(240,237,232,0.75);
  line-height: 1.7;
  margin-bottom: 40px;
  opacity: 0;
  animation: fadeUp 0.9s 0.6s ease forwards;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
  opacity: 0;
  animation: fadeUp 0.9s 0.8s ease forwards;
}

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 40px;
  right: clamp(20px, 5vw, 80px);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  opacity: 0;
  animation: fadeIn 1s 1.2s ease forwards;
}
.hero-scroll span {
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  writing-mode: vertical-rl;
}
.hero-scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 2s 1.5s ease-in-out infinite;
}

/* Mobile: swap video for image */
@media (max-width: 768px) {
  .hero-video { display: none; }
  .hero-image  { display: block; }
  .hero-scroll { display: none; }
}

/* ================================================
   STATS BAND
   ================================================ */
.stats-band {
  background: var(--accent);
  padding-block: 40px;
}
.stats-inner {
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 80px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0;
}
.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 16px 40px;
  gap: 4px;
}
.stat-num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  color: #fff;
  line-height: 1;
  letter-spacing: 0.05em;
}
.stat-label {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.75);
}
.stat-divider {
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.25);
  flex-shrink: 0;
}
@media (max-width: 640px) {
  .stat-divider { display: none; }
  .stats-inner { gap: 8px; }
  .stat { padding: 12px 24px; }
}

/* ================================================
   SERVICIOS
   ================================================ */
.servicios { background: var(--bg); }

.servicios-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.servicio-card {
  background: var(--surface);
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: background var(--transition);
}
.servicio-card:hover { background: var(--surface-2); }

.servicio-icon {
  color: var(--accent);
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid rgba(224,91,26,0.3);
  border-radius: var(--radius);
  flex-shrink: 0;
}
.servicio-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.6rem;
  letter-spacing: 0.05em;
  color: var(--text);
}
.servicio-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ================================================
   POR QUÉ NOSOTROS
   ================================================ */
.porque { background: var(--surface); }

.porque-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(48px, 8vw, 120px);
  align-items: start;
}

.porque-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-top: 20px;
  margin-bottom: 36px;
  max-width: 400px;
}

.porque-right {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.porque-item {
  display: flex;
  gap: 24px;
  padding-block: 28px;
  border-bottom: 1px solid var(--border);
}
.porque-item:first-child { border-top: 1px solid var(--border); }

.porque-num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.4rem;
  color: var(--accent);
  letter-spacing: 0.05em;
  flex-shrink: 0;
  padding-top: 2px;
}
.porque-text h4 {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}
.porque-text p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
}

@media (max-width: 768px) {
  .porque-layout { grid-template-columns: 1fr; }
}

/* ================================================
   PROYECTOS
   ================================================ */
.proyectos { background: var(--bg); }

.proyectos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 12px;
}

.proyecto-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  cursor: pointer;
}

.proyecto-card--large {
  grid-column: 1 / 2;
  grid-row: 1 / 3;
}

.proyecto-img {
  width: 100%;
  aspect-ratio: 4/3;
  background-size: cover;
  background-position: center;
  transition: transform 500ms ease;
}
.proyecto-card--large .proyecto-img { aspect-ratio: unset; height: 100%; min-height: 400px; }
.proyecto-card:hover .proyecto-img { transform: scale(1.04); }

/* Placeholder colors for cards 2 & 3 */
.proyecto-img--alt  { background-color: #2a2a2a; background-image: linear-gradient(135deg, #2a2a2a 0%, #1a1a1a 100%); }
.proyecto-img--alt2 { background-color: #242424; background-image: linear-gradient(135deg, #242424 0%, #181818 100%); }

.proyecto-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px;
  background: linear-gradient(to top, rgba(12,12,12,0.9) 0%, transparent 100%);
  transform: translateY(8px);
  opacity: 0;
  transition: opacity var(--transition), transform var(--transition);
}
.proyecto-card:hover .proyecto-info { opacity: 1; transform: translateY(0); }

.proyecto-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 6px;
}
.proyecto-info h3 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.5rem;
  letter-spacing: 0.05em;
  color: var(--text);
  margin-bottom: 2px;
}
.proyecto-info p {
  font-size: 0.85rem;
  color: rgba(240,237,232,0.6);
}

@media (max-width: 768px) {
  .proyectos-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  .proyecto-card--large { grid-column: auto; grid-row: auto; }
  .proyecto-card--large .proyecto-img { min-height: 280px; }
  .proyecto-info { opacity: 1; transform: none; }
}

/* ================================================
   TESTIMONIOS
   ================================================ */
.testimonios { background: var(--surface); }

.testimonios-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.testimonio-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color var(--transition);
}
.testimonio-card:hover { border-color: rgba(224,91,26,0.3); }

.testimonio-stars { color: var(--accent-2); font-size: 1rem; letter-spacing: 2px; }

.testimonio-text {
  font-size: 0.98rem;
  color: var(--text-muted);
  line-height: 1.75;
  font-style: italic;
  flex: 1;
}

.testimonio-author {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.testimonio-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.testimonio-author strong {
  display: block;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text);
}
.testimonio-author span {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ================================================
   CTA BAND
   ================================================ */
.cta-band {
  background: var(--surface-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding-block: clamp(72px, 10vw, 120px);
  text-align: center;
}
.cta-band-inner {
  max-width: 700px;
  margin-inline: auto;
  padding-inline: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.cta-band-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(3rem, 8vw, 7rem);
  letter-spacing: 0.04em;
  line-height: 0.95;
  color: var(--text);
}
.cta-band-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 8px;
}

/* ================================================
   CONTACTO
   ================================================ */
.contacto { background: var(--bg); }

.contacto-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(48px, 8vw, 100px);
  align-items: start;
}

.contacto-info {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.contacto-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 0.95rem;
  color: var(--text-muted);
}
.contacto-item svg { color: var(--accent); flex-shrink: 0; margin-top: 2px; }

/* --- FORM --- */
.contacto-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.required { color: var(--accent); }

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: 'Source Sans 3', sans-serif;
  font-size: 1rem;
  padding: 14px 16px;
  min-height: 52px;
  transition: border-color var(--transition), background var(--transition);
  appearance: none;
  -webkit-appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(136,136,128,0.5); }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--surface-2);
}

.form-group select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23888880' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 44px;
  color: var(--text-muted);
}
.form-group select option { background: #1f1f1f; color: var(--text); }

.form-group textarea { resize: vertical; min-height: 120px; }

.btn-submit {
  margin-top: 8px;
  width: 100%;
  justify-content: center;
  font-size: 1rem;
  padding: 18px 32px;
}

.form-success {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(34, 197, 94, 0.1);
  border: 1.5px solid rgba(34, 197, 94, 0.3);
  border-radius: var(--radius);
  padding: 14px 18px;
  color: #4ade80;
  font-size: 0.95rem;
  font-weight: 600;
}

@media (max-width: 768px) {
  .contacto-layout { grid-template-columns: 1fr; }
}

/* ================================================
   FOOTER
   ================================================ */
.footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding-block: 40px;
}
.footer-inner {
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 80px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.footer-logo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.2rem;
  letter-spacing: 0.1em;
  color: var(--text);
}
.footer-logo span { color: var(--accent); }
.footer-copy {
  font-size: 0.82rem;
  color: var(--text-muted);
}
.footer-links {
  display: flex;
  gap: 24px;
}
.footer-links a {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--accent); }
.footer-links a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

@media (max-width: 640px) {
  .footer-inner { flex-direction: column; text-align: center; }
}

/* ================================================
   ANIMATIONS
   ================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes scrollPulse {
  0%, 100% { opacity: 1; transform: scaleY(1); transform-origin: top; }
  50%       { opacity: 0.4; transform: scaleY(0.7); transform-origin: top; }
}

/* Scroll-reveal utility */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
  .hero-eyebrow, .hero-title, .hero-sub, .hero-actions, .hero-scroll { opacity: 1; animation: none; }
}

/* ================================================
   MOBILE NAV
   ================================================ */
@media (max-width: 900px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: rgba(12,12,12,0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 32px 24px 40px;
    gap: 0;
    border-top: 1px solid var(--border);
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: transform 280ms ease, opacity 280ms ease;
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-links li { width: 100%; }
  .nav-link {
    display: block;
    padding: 18px 0;
    font-size: 1rem;
    border-bottom: 1px solid var(--border);
  }
  .nav-cta {
    margin-top: 24px;
    display: inline-block;
    text-align: center;
    width: 100%;
    padding: 16px;
  }
}