/* =========================================================
   CTCA — Compañía de Transporte Centroamericana, S.A.
   Landing page — hoja de estilos principal
   Rediseño visual — dirección de arte premium
   ========================================================= */

/* -------------------- 1. Tokens / variables -------------------- */
:root{
  /* Colores de marca (extraídos del logo) */
  --navy-950: #0a1a28;
  --navy-900: #12283b;
  --navy-800: #1a3c58;
  --navy-700: #24537a;
  --navy-600: #33698f;
  --navy-500: #4a80a6;

  --coral-400: #ffa688;
  --coral-500: #ff8e6c;
  --coral-600: #f2703f;
  --coral-700: #d95c30;
  --coral-800: #b8481f;

  --ink: #16212c;
  --slate: #57697a;
  --slate-light: #8896a3;

  --bg: #ffffff;
  --bg-alt: #f3f6f9;
  --bg-alt-2: #eef2f6;
  --border: #e3e9ee;

  /* Tipografía */
  --font-display: 'Oswald', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Layout */
  --container-w: 1180px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 26px;
  --shadow-sm: 0 2px 12px rgba(15, 30, 45, 0.07);
  --shadow-md: 0 20px 44px -12px rgba(15, 30, 45, 0.20);
  --shadow-lg: 0 32px 70px -20px rgba(10, 26, 40, 0.38);
  --header-h: 82px;
  --ease-premium: cubic-bezier(0.22, 1, 0.36, 1);
}

/* -------------------- 2. Reset -------------------- */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body, h1, h2, h3, h4, p, ul, ol, li, figure{ margin: 0; padding: 0; }
ul, ol{ list-style: none; }
img{ max-width: 100%; display: block; }
a{ color: var(--coral-600); text-decoration: none; }
a:hover{ color: var(--coral-700); }
button, input, textarea{ font: inherit; color: inherit; }
button{ cursor: pointer; background: none; border: none; }

body{
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

:focus-visible{
  outline: 3px solid var(--coral-500);
  outline-offset: 2px;
}

.container{
  width: 100%;
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: 28px;
}

/* -------------------- 3. Tipografía general -------------------- */
h1, h2, h3{
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.008em;
  color: var(--navy-900);
  line-height: 1.12;
}

.eyebrow{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--coral-600);
  margin-bottom: 18px;
}
.eyebrow::before{
  content: "";
  width: 26px;
  height: 2px;
  background: var(--coral-600);
  display: inline-block;
}
.eyebrow--light{ color: var(--coral-400); }

.section__title{
  font-size: clamp(1.9rem, 3.4vw, 2.6rem);
  margin-bottom: 18px;
  text-wrap: pretty;
}
.section__title--light{ color: #fff; }

.section__lead{
  color: var(--slate);
  font-size: 1.08rem;
  max-width: 52ch;
  text-wrap: pretty;
}
.section__lead--light{ color: #b9c8d4; }

.section__head{ max-width: 620px; margin-bottom: 56px; }
.section__head--light{ margin-bottom: 72px; }

.text-accent{ color: var(--coral-500); }

/* -------------------- 4. Botones -------------------- */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 32px;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: transform 0.35s var(--ease-premium), box-shadow 0.35s var(--ease-premium), background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
  white-space: nowrap;
  position: relative;
}
.btn--primary{
  background: linear-gradient(135deg, var(--coral-500), var(--coral-600) 70%);
  color: #fff;
  box-shadow: 0 10px 26px -8px rgba(217, 92, 48, 0.55);
}
.btn--primary:hover{ box-shadow: 0 16px 34px -8px rgba(217, 92, 48, 0.62); transform: translateY(-3px); }

.btn--outline{
  background: rgba(255,255,255,0.04);
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.4);
  backdrop-filter: blur(6px);
}
.btn--outline:hover{ background: rgba(255,255,255,0.12); border-color: #fff; transform: translateY(-3px); }

.btn--dark{
  background: var(--navy-950);
  color: #fff;
  box-shadow: 0 14px 30px -10px rgba(10, 20, 30, 0.5);
}
.btn--dark:hover{ background: #050f18; transform: translateY(-3px); }

.btn--sm{ padding: 11px 22px; font-size: 0.8rem; }
.btn--block{ width: 100%; }

/* -------------------- 5. Header -------------------- */
.header{
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  z-index: 100;
  border-bottom: 1px solid rgba(227,233,238,0);
  transition: border-color 0.4s ease, box-shadow 0.4s ease, background 0.4s ease, height 0.3s ease;
}
.header.is-scrolled{
  background: rgba(255,255,255,0.88);
  border-bottom-color: var(--border);
  box-shadow: 0 8px 24px -12px rgba(15, 30, 45, 0.12);
  height: 70px;
}

.header__inner{
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 48px;
}

.header__brand{ display: flex; align-items: center; }
.header__logo{ height: 58px; width: auto; transition: height 0.3s ease; }
.header.is-scrolled .header__logo{ height: 46px; }

.header__actions{ margin-left: auto; }

.nav__list{
  display: flex;
  gap: 36px;
}
.nav__link{
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--navy-800);
  position: relative;
  padding-bottom: 6px;
}
.nav__link::after{
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: linear-gradient(90deg, var(--coral-500), var(--coral-600));
  transition: width 0.3s var(--ease-premium);
  border-radius: 2px;
}
.nav__link:hover{ color: var(--navy-900); }
.nav__link:hover::after{ width: 100%; }

.header__actions{ display: flex; align-items: center; gap: 20px; }

.nav__toggle{
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 30px; height: 24px;
}
.nav__toggle span{
  height: 2px; width: 100%;
  background: var(--navy-900);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* -------------------- 6. Hero (composición cinematográfica) -------------------- */
.hero{
  position: relative;
  padding: calc(var(--header-h) + 132px) 0 128px;
  background: linear-gradient(175deg, var(--navy-950) 0%, var(--navy-900) 45%, var(--navy-800) 100%);
  overflow: hidden;
  isolation: isolate;
  min-height: 92vh;
  display: flex;
  align-items: center;
}

.hero__inner{ max-width: 660px; position: relative; z-index: 1; margin-inline: 0; }

.hero__title{
  font-size: clamp(2.6rem, 5.6vw, 4.1rem);
  color: #fff;
  margin-bottom: 24px;
  text-wrap: pretty;
}

.hero__subtitle{
  color: #cddae4;
  font-size: 1.12rem;
  max-width: 50ch;
  margin-bottom: 44px;
  text-wrap: pretty;
}

.hero__actions{
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 76px;
}

.hero__stats{
  display: flex;
  gap: 56px;
  flex-wrap: wrap;
  padding-top: 36px;
  border-top: 1px solid rgba(255,255,255,0.14);
}
.hero__stat-num{
  display: block;
  font-family: var(--font-display);
  font-size: 2.1rem;
  font-weight: 600;
  color: var(--coral-500);
  letter-spacing: 0.01em;
}
.hero__stat-label{
  display: block;
  font-size: 0.84rem;
  color: #a8bac6;
  letter-spacing: 0.02em;
  margin-top: 2px;
}

/* -------------------- 7. Secciones genéricas -------------------- */
.section{ padding: 128px 0; }
.section--alt{ background: var(--bg-alt); position: relative; }

/* -------------------- 8. Sobre nosotros -------------------- */
.about{
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 72px;
  align-items: start;
}

.about__text p{
  color: var(--slate);
  margin-bottom: 20px;
  max-width: 54ch;
  font-size: 1.02rem;
  text-wrap: pretty;
}

.about__badge{
  margin-top: 32px;
  display: inline-flex;
  flex-direction: column;
  gap: 5px;
  padding: 18px 24px;
  border-left: 3px solid var(--coral-600);
  background: linear-gradient(90deg, var(--bg-alt-2), transparent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.about__badge span{ font-size: 0.76rem; color: var(--slate-light); text-transform: uppercase; letter-spacing: 0.07em; }
.about__badge strong{ font-family: var(--font-display); color: var(--navy-900); font-size: 0.95rem; }

.about__panel{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.panel-card{
  background: var(--navy-900);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform 0.4s var(--ease-premium);
}
.panel-card::after{
  content: "";
  position: absolute;
  top: -40%; right: -40%;
  width: 120px; height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.08), transparent 70%);
}
.panel-card:hover{ transform: translateY(-4px); }
.panel-card:nth-child(2){ background: var(--navy-800); }
.panel-card:nth-child(3){ background: var(--navy-800); }
.panel-card:nth-child(4){ background: linear-gradient(135deg, var(--coral-600), var(--coral-700)); }

.panel-card__label{
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: rgba(255,255,255,0.6);
}
.panel-card__value{
  font-family: var(--font-display);
  color: #fff;
  font-size: 1.08rem;
}

/* -------------------- 9. Servicios (cards premium) -------------------- */
.cards{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.card{
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 40px 32px;
  transition: transform 0.45s var(--ease-premium), box-shadow 0.45s var(--ease-premium), border-color 0.45s ease;
  position: relative;
  overflow: hidden;
}
.card::before{
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--coral-500), var(--navy-600));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease-premium);
}
.card:hover{
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.card:hover::before{ transform: scaleX(1); }
.card__icon{
  width: 60px; height: 60px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(242, 112, 63, 0.14), rgba(242, 112, 63, 0.06));
  color: var(--coral-600);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 26px;
  transition: transform 0.45s var(--ease-premium), background 0.3s ease;
}
.card:hover .card__icon{ transform: scale(1.08) rotate(-4deg); background: linear-gradient(135deg, var(--coral-500), var(--coral-600)); color: #fff; }
.card__icon svg{ width: 28px; height: 28px; }
.card__title{
  font-size: 1.25rem;
  margin-bottom: 12px;
}
.card__text{ color: var(--slate); font-size: 0.97rem; text-wrap: pretty; }

/* -------------------- 10. Cobertura / ruta (elemento distintivo) -------------------- */
.coverage{
  background: var(--navy-950);
  padding: 132px 0;
  position: relative;
  overflow: hidden;
}
.coverage__bg{ position: absolute; inset: 0; z-index: 0; }
.coverage__grid{
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.09) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: radial-gradient(ellipse at 50% 30%, rgba(0,0,0,0.7), transparent 72%);
}
.coverage .container{ position: relative; z-index: 1; }

.route{
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  position: relative;
  padding-top: 8px;
}
.route::before{
  content: "";
  position: absolute;
  top: 7px; left: 0; right: 0;
  height: 2px;
  background: repeating-linear-gradient(to right, var(--coral-500) 0 10px, transparent 10px 20px);
}

.route__stop{
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  flex: 1;
  padding: 0 8px;
  transition: transform 0.35s var(--ease-premium);
}
.route__stop:hover{ transform: translateY(-4px); }
.route__dot{
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--coral-500);
  border: 3px solid var(--navy-950);
  box-shadow: 0 0 0 2px var(--coral-500);
  margin-bottom: 20px;
}
.route__stop:first-child .route__dot{
  width: 20px; height: 20px;
  background: #fff;
  box-shadow: 0 0 0 2px #fff, 0 0 22px 4px rgba(255,255,255,0.35);
}
.route__name{
  font-family: var(--font-display);
  color: #fff;
  font-size: 1.08rem;
  letter-spacing: 0.02em;
}
.route__tag{
  margin-top: 6px;
  font-size: 0.74rem;
  color: var(--coral-400);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* -------------------- 11. Ventajas -------------------- */
.features{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 36px;
}
.feature{ position: relative; padding-top: 4px; }
.feature__icon{
  width: 56px; height: 56px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border);
  color: var(--navy-800);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
  transition: border-color 0.3s ease, transform 0.35s var(--ease-premium), background 0.3s ease, color 0.3s ease;
}
.feature:hover .feature__icon{
  border-color: transparent;
  background: var(--navy-900);
  color: var(--coral-500);
  transform: translateY(-4px);
}
.feature__icon svg{ width: 24px; height: 24px; }
.feature__title{ font-size: 1.08rem; margin-bottom: 10px; }
.feature__text{ color: var(--slate); font-size: 0.93rem; text-wrap: pretty; }

/* -------------------- 12. CTA banner -------------------- */
.cta-banner{
  background: linear-gradient(120deg, var(--coral-600), var(--coral-800));
  position: relative;
  overflow: hidden;
}
.cta-banner__bg{
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(255,255,255,0.06) 0 2px, transparent 2px 34px);
}
.cta-banner__inner{
  position: relative;
  z-index: 1;
  padding: 84px 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.cta-banner__inner h2{
  color: #fff;
  font-size: clamp(1.6rem, 3.2vw, 2.3rem);
}
.cta-banner__inner p{
  color: rgba(255,255,255,0.92);
  max-width: 50ch;
  margin-bottom: 12px;
}

/* -------------------- 13. Contacto -------------------- */
.contact{
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 72px;
}

.contact__list{
  margin-top: 36px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.contact__list li{
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
  color: var(--ink);
}
.contact__label{
  font-family: var(--font-display);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--coral-600);
}

.contact__form{
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 44px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  box-shadow: var(--shadow-sm);
}
.form__row{ display: flex; flex-direction: column; gap: 8px; }
.form__row--split{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form__row--split > div{ display: flex; flex-direction: column; gap: 8px; }

.contact__form label{
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--navy-900);
}
.contact__form input,
.contact__form textarea{
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 13px 15px;
  background: #fff;
  font-size: 0.95rem;
  resize: vertical;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.contact__form input:focus,
.contact__form textarea:focus{
  border-color: var(--coral-500);
  box-shadow: 0 0 0 4px rgba(255, 142, 108, 0.15);
}
.contact__form input.is-invalid,
.contact__form textarea.is-invalid{
  border-color: #e0523a;
}

.form__error{
  font-size: 0.78rem;
  color: #d1442a;
  min-height: 1em;
}

.form__success{
  display: none;
  background: rgba(46, 160, 90, 0.12);
  color: #1f7a44;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  text-align: center;
}
.form__success.is-visible{ display: block; }

/* -------------------- 14. Footer -------------------- */
.footer{ background: var(--navy-950); color: #cfdae2; }
.footer__inner{
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 32px;
  padding: 64px 24px 44px;
}
.footer__brand{ display: flex; flex-direction: column; gap: 7px; max-width: 360px; }
.footer__name{
  font-family: var(--font-display);
  font-size: 1.45rem;
  color: #fff;
  letter-spacing: 0.05em;
}
.footer__full{ font-size: 0.9rem; color: #b9c7d2; }
.footer__legal{ font-size: 0.78rem; color: #75899a; }

.footer__nav{ display: flex; gap: 26px; flex-wrap: wrap; }
.footer__nav a{ font-size: 0.9rem; color: #cfdae2; }
.footer__nav a:hover{ color: var(--coral-500); }

.footer__social{ display: flex; gap: 12px; }
.footer__social a{
  width: 38px; height: 38px;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.74rem;
  font-weight: 600;
  color: #cfdae2;
  transition: border-color 0.25s ease, color 0.25s ease, transform 0.3s var(--ease-premium);
}
.footer__social a:hover{ border-color: var(--coral-500); color: var(--coral-500); transform: translateY(-3px); }

.footer__bottom{
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 22px 0;
}
.footer__bottom p{ font-size: 0.8rem; color: #6d8092; text-align: center; }

/* -------------------- 15. Animaciones de entrada -------------------- */
.reveal{
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease-premium), transform 0.7s var(--ease-premium);
}
.reveal.is-visible{
  opacity: 1;
  transform: translateY(0);
}

/* -------------------- 16. Responsive -------------------- */
@media (max-width: 960px){
  .about,
  .contact{ grid-template-columns: 1fr; gap: 48px; }
  .about__panel{ order: -1; }
  .cards{ grid-template-columns: 1fr 1fr; }
  .features{ grid-template-columns: 1fr 1fr; }
  .section{ padding: 96px 0; }
}

@media (max-width: 780px){
  .nav{
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
  }
  .nav.is-open{
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .nav__list{
    flex-direction: column;
    gap: 0;
    padding: 12px 24px 20px;
  }
  .nav__list li{ border-bottom: 1px solid var(--border); }
  .nav__list li:last-child{ border-bottom: none; }
  .nav__link{ display: block; padding: 15px 0; }
  .nav__link::after{ display: none; }

  .nav__toggle{ display: flex; }
  .header__actions .btn--sm{ display: none; }

  .route{ flex-direction: column; align-items: flex-start; gap: 30px; }
  .route::before{ top: 0; bottom: 0; left: 9px; right: auto; width: 2px; height: auto; background: repeating-linear-gradient(to bottom, var(--coral-500) 0 10px, transparent 10px 20px); }
  .route__stop{ flex-direction: row; align-items: center; text-align: left; gap: 18px; }
  .route__dot{ margin-bottom: 0; }

  .hero{ min-height: unset; }
}

@media (max-width: 640px){
  .section{ padding: 76px 0; }
  .hero{ padding: calc(var(--header-h) + 64px) 0 76px; }
  .cards{ grid-template-columns: 1fr; }
  .features{ grid-template-columns: 1fr; }
  .form__row--split{ grid-template-columns: 1fr; }
  .hero__stats{ gap: 36px; }
  .footer__inner{ flex-direction: column; }
  .contact__form{ padding: 32px 24px; }
}