/* ===================================================================
   RS de Panamá — Landing Page Styles
   Identidad: negro puro, blanco, tipografía condensada bold
   =================================================================== */

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

:root {
  --black:   #0d0d0d;
  --white:   #ffffff;
  --gray:    #a0a0a0;
  --gray-dk: #1e1e1e;
  --border:  #2a2a2a;
  --font-condensed: 'Montserrat', sans-serif;
  --font-body:      'Montserrat', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  line-height: 1.5;
  min-height: 100vh;
}

/* ── Nav ── */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  background: linear-gradient(to bottom, rgba(0,0,0,.85), transparent);
}

.nav-logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.nav-logo .logo-rs {
  font-family: var(--font-condensed);
  font-weight: 900;
  font-size: 28px;
  letter-spacing: 2px;
  color: var(--white);
}

.nav-logo .logo-sub {
  font-family: var(--font-condensed);
  font-weight: 400;
  font-size: 10px;
  letter-spacing: 5px;
  color: var(--gray);
}

.nav-logo-img {
  height: 48px;
  width: auto;
  display: block;
}

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero-bg picture,
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

/* Overlay oscuro para que el texto sea legible */
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,.55) 0%,
    rgba(0,0,0,.45) 40%,
    rgba(0,0,0,.75) 100%
  );
}

/* Viñeta lateral */
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 30%, rgba(0,0,0,.6) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1300px;
}

.hero-logos-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  margin-top: 24px;
  transform: translateX(-40px);
}

.hero-logos-row img {
  height: 60px;
  width: auto;
}


.hero-istarpty-logo {
  width: 180px;
  height: auto;
  margin: 0 auto 12px;
  display: block;
}

.hero-eyebrow {
  font-family: var(--font-condensed);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 8px;
  color: var(--gray);
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-brand {
  font-family: var(--font-condensed);
  font-weight: 900;
  font-size: clamp(60px, 10vw, 120px);
  white-space: nowrap;
  line-height: .9;
  letter-spacing: -2px;
  color: var(--white);
  text-transform: uppercase;
  display: block;
}

.hero-tagline {
  font-family: var(--font-condensed);
  font-size: clamp(20px, 4vw, 36px);
  font-weight: 700;
  letter-spacing: 10px;
  color: var(--white);
  text-transform: uppercase;
  margin-top: 8px;
  margin-bottom: 48px;
}

.hero-cta {
  display: inline-block;
  border: 2px solid var(--white);
  color: var(--white);
  background: transparent;
  font-family: var(--font-condensed);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 4px;
  text-transform: uppercase;
  padding: 16px 48px;
  text-decoration: none;
  transition: background .2s, color .2s;
  cursor: pointer;
}

.hero-cta:hover {
  background: var(--white);
  color: var(--black);
}

/* ── Divider ── */
.divider {
  height: 1px;
  background: var(--border);
  margin: 0 40px;
}

/* ── Section ── */
.section {
  padding: 80px 24px;
  max-width: 1300px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-condensed);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 6px;
  color: var(--gray);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-condensed);
  font-weight: 900;
  font-size: clamp(36px, 6vw, 64px);
  letter-spacing: 2px;
  text-transform: uppercase;
  line-height: 1;
  margin-bottom: 24px;
}

.section-text {
  font-size: 16px;
  color: var(--gray);
  max-width: 600px;
  line-height: 1.8;
}

/* ── About Section ── */
.about-section { max-width: 1300px; }

.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-stats {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-left: 1px solid var(--border);
}

.big-stat {
  padding: 32px 48px;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.big-stat:last-child { border-bottom: 0; }

.big-stat-number {
  font-family: var(--font-condensed);
  font-weight: 900;
  font-size: 72px;
  line-height: 1;
  color: var(--white);
  letter-spacing: -1px;
}

.big-stat-label {
  font-family: var(--font-condensed);
  font-size: 11px;
  letter-spacing: 5px;
  color: var(--gray);
  text-transform: uppercase;
}

/* ── Pillars ── */
.pillars-section {
  padding: 80px 24px;
  background: var(--gray-dk);
  max-width: 100%;
  box-sizing: border-box;
}

.pillars-inner {
  max-width: 1300px;
  margin: 0 auto;
}

.pillars-header {
  max-width: 1300px;
  margin: 0 auto 56px;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  max-width: 1300px;
  margin: 0 auto;
  border: 1px solid var(--border);
}

.pillar-card {
  padding: 40px 32px;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pillar-card:last-child { border-right: 0; }

.pillar-icon {
  font-size: 20px;
  color: var(--white);
  opacity: .4;
}

.pillar-title {
  font-family: var(--font-condensed);
  font-weight: 900;
  font-size: 20px;
  letter-spacing: 2px;
  line-height: 1.1;
  color: var(--white);
  text-transform: uppercase;
}

.pillar-text {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.8;
}

/* ── Mid CTA ── */
.mid-cta {
  background: var(--white);
  padding: 80px 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.mid-cta-eyebrow {
  font-family: var(--font-condensed);
  font-size: 12px;
  letter-spacing: 6px;
  color: #555;
  text-transform: uppercase;
}

.mid-cta-title {
  font-family: var(--font-condensed);
  font-weight: 900;
  font-size: clamp(40px, 7vw, 80px);
  letter-spacing: 2px;
  line-height: .95;
  color: var(--black);
  text-transform: uppercase;
}

.mid-cta .hero-cta {
  border-color: var(--black);
  color: var(--black);
}

.mid-cta .hero-cta:hover {
  background: var(--black);
  color: var(--white);
}

/* ── Form Section ── */
#contacto {
  background: var(--gray-dk);
  padding: 80px 24px;
}

.form-wrapper {
  max-width: 700px;
  margin: 0 auto;
}

.form-header {
  margin-bottom: 48px;
  text-align: center;
}

.contact-form {
  display: grid;
  gap: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

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

.form-group label {
  font-family: var(--font-condensed);
  font-size: 11px;
  letter-spacing: 4px;
  color: var(--white);
  text-transform: uppercase;
}

.form-group input,
.form-group textarea,
.form-group select {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--border);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  padding: 12px 0;
  outline: none;
  transition: border-color .2s;
  width: 100%;
  resize: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-bottom-color: var(--white);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255,255,255,0.35);
}

.form-group select option:first-child {
  color: rgba(255,255,255,0.35);
}

.form-group select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23666' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 4px center;
  cursor: pointer;
}

.form-group select option {
  background: #1e1e1e;
  color: var(--white);
}

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

.form-submit {
  text-align: center;
  margin-top: 8px;
}

.btn-submit {
  display: inline-block;
  border: 2px solid var(--white);
  background: var(--white);
  color: var(--black);
  font-family: var(--font-condensed);
  font-weight: 900;
  font-size: 14px;
  letter-spacing: 4px;
  text-transform: uppercase;
  padding: 16px 64px;
  cursor: pointer;
  transition: background .2s, color .2s;
}

.btn-submit:hover {
  background: transparent;
  color: var(--white);
}

.btn-submit:disabled {
  opacity: .5;
  cursor: not-allowed;
}

/* ── Alerts ── */
.form-alert {
  padding: 16px 24px;
  font-family: var(--font-condensed);
  font-size: 14px;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 32px;
  text-align: center;
}

.form-alert.success {
  border: 1px solid #4caf50;
  color: #4caf50;
}

.form-alert.error {
  border: 1px solid #f44336;
  color: #f44336;
}

/* ── Footer ── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px 24px;
  text-align: center;
}

.footer-logo-img {
  height: 56px;
  width: auto;
  margin-bottom: 20px;
  opacity: .85;
}

.footer-logo {
  font-family: var(--font-condensed);
  font-weight: 900;
  font-size: 32px;
  letter-spacing: 4px;
  color: var(--white);
  margin-bottom: 4px;
}

.footer-sub {
  font-family: var(--font-condensed);
  font-size: 10px;
  letter-spacing: 6px;
  color: var(--gray);
  text-transform: uppercase;
  margin-bottom: 24px;
}

.footer-copy {
  font-size: 12px;
  color: #555;
}

/* ── Animaciones de entrada ── */

/* Estados iniciales — invisibles antes de animar */
.anim-fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1);
}

.anim-fade-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1);
}

.anim-fade-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1);
}

.anim-scale {
  opacity: 0;
  transform: scale(.92);
  transition: opacity .6s cubic-bezier(.16,1,.3,1), transform .6s cubic-bezier(.16,1,.3,1);
}

.anim-line {
  opacity: 0;
  transform: scaleX(0);
  transform-origin: left;
  transition: opacity .5s ease, transform .7s cubic-bezier(.16,1,.3,1);
}

/* Estado visible — se aplica con JS */
.anim-fade-up.visible,
.anim-fade-left.visible,
.anim-fade-right.visible,
.anim-scale.visible,
.anim-line.visible {
  opacity: 1;
  transform: none;
}

/* Delays escalonados para hijos */
.anim-delay-1 { transition-delay: .1s; }
.anim-delay-2 { transition-delay: .2s; }
.anim-delay-3 { transition-delay: .3s; }
.anim-delay-4 { transition-delay: .4s; }
.anim-delay-5 { transition-delay: .5s; }
.anim-delay-6 { transition-delay: .6s; }

/* Efecto de brillo al hover en botones */
.hero-cta, .btn-submit {
  position: relative;
  overflow: hidden;
}

.hero-cta::before, .btn-submit::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.2), transparent);
  transition: left .5s ease;
  pointer-events: none;
}

.hero-cta:hover::before, .btn-submit:hover::before {
  left: 150%;
}

/* Línea decorativa animada bajo section-label */
.section-label {
  position: relative;
  display: inline-block;
}

/* Pillar cards hover */
.pillar-card {
  transition: background .3s ease, transform .3s ease;
}

.pillar-card:hover {
  background: rgba(255,255,255,.04);
  transform: translateY(-4px);
}

/* Stat card hover */
.big-stat {
  transition: background .3s ease;
}

.big-stat:hover {
  background: rgba(255,255,255,.03);
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .about-intro { grid-template-columns: 1fr; gap: 48px; }
  .about-stats { border-left: 0; border-top: 1px solid var(--border); flex-direction: row; }
  .big-stat { border-bottom: 0; border-right: 1px solid var(--border); padding: 24px 32px; flex: 1; }
  .big-stat:last-child { border-right: 0; }
  .pillars-grid { grid-template-columns: 1fr 1fr; }
  .pillar-card:nth-child(2) { border-right: 0; }
  .pillar-card:nth-child(3), .pillar-card:nth-child(4) { border-top: 1px solid var(--border); }
  .pillar-card:last-child { border-right: 0; }
}

@media (max-width: 600px) {
  .site-nav { padding: 16px 20px; }
  .form-row { grid-template-columns: 1fr; }
  .divider { margin: 0 20px; }
  .about-stats { flex-direction: column; }
  .big-stat { border-right: 0; border-bottom: 1px solid var(--border); }
  .pillars-grid { grid-template-columns: 1fr; }
  .pillar-card { border-right: 0; border-bottom: 1px solid var(--border); }
  .pillar-card:last-child { border-bottom: 0; }
  .big-stat-number { font-size: 52px; }
}