/* ===================================================================
   TRECOM Construcciones
   Paleta clara · Montserrat · animaciones tipo Wix/GoDaddy
   =================================================================== */

:root {
  --blue:      #0b3d6b;
  --blue-600:  #0e4f8a;
  --red:       #e2231a;
  --orange:    #f26a1b;
  --orange-2:  #f7941d;
  --ink:       #1c2430;
  --muted:     #5c6b7a;
  --line:      #e7edf3;
  --bg:        #ffffff;
  --bg-tint:   #f4f8fc;
  --bg-dark:   #0b2338;
  --white:     #ffffff;
  --radius:    18px;
  --radius-sm: 12px;
  --shadow:    0 18px 45px -22px rgba(11, 61, 107, .45);
  --shadow-sm: 0 8px 22px -14px rgba(11, 61, 107, .4);
  --maxw:      1180px;
  --ease:      cubic-bezier(.22, 1, .36, 1);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  font-family: "Montserrat", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 clamp(1.1rem, 4vw, 2rem); }

/* ---------- Brand mark ---------- */
.brand { display: inline-flex; align-items: center; gap: .6rem; }
.brand__mark {
  width: 34px; height: 34px; border-radius: 50%;
  background:
    radial-gradient(circle at 62% 50%, var(--blue) 0 46%, transparent 47%),
    var(--red);
  box-shadow: inset 0 0 0 2px #fff;
  flex: 0 0 auto;
}
.brand__text {
  font-weight: 800; font-size: 1.24rem; letter-spacing: .5px;
  color: var(--ink); line-height: 1; display: flex; flex-direction: column;
}
.brand__text small { font-size: .5rem; font-weight: 600; letter-spacing: 3px; color: var(--muted); margin-top: 3px; }

/* ---------- NAV ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 60;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .35s var(--ease), border-color .35s, background .35s;
}
.nav.is-scrolled { box-shadow: 0 6px 24px -18px rgba(11, 61, 107, .6); border-color: var(--line); }
.nav__inner {
  max-width: var(--maxw); margin: 0 auto; padding: .7rem clamp(1.1rem, 4vw, 2rem);
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.nav__links { display: flex; align-items: center; gap: .3rem; }
.nav__links a {
  padding: .5rem .85rem; border-radius: 999px; font-weight: 600; font-size: .92rem;
  color: var(--ink); transition: color .25s, background .25s;
}
.nav__links a:hover { color: var(--blue); background: var(--bg-tint); }
.nav__links a.active { color: var(--blue); }
.nav__cta {
  background: var(--orange); color: #fff !important; padding: .55rem 1.2rem !important;
  box-shadow: 0 10px 22px -12px rgba(242, 106, 27, .9);
}
.nav__cta:hover { background: var(--orange-2); background-clip: border-box; }

.nav__toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 6px; }
.nav__toggle span { width: 26px; height: 2.5px; background: var(--ink); border-radius: 2px; transition: .3s var(--ease); }
.nav__toggle.is-open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav__toggle.is-open span:nth-child(2) { opacity: 0; }
.nav__toggle.is-open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ---------- HERO ---------- */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  padding: 120px 0 80px; overflow: hidden;
  background:
    radial-gradient(1200px 600px at 80% -10%, #eaf3fb 0, transparent 60%),
    linear-gradient(180deg, #fdfefe 0%, #f2f8fd 100%);
}
.hero__bg { position: absolute; inset: 0; pointer-events: none; }
.tri {
  position: absolute; width: 0; height: 0; opacity: .5;
  border-style: solid; filter: blur(.3px);
  animation: floaty 12s var(--ease) infinite alternate;
}
.tri.t1 { top: 8%;  left: 6%;  border-width: 0 90px 150px 90px;  border-color: transparent transparent #d7e8f7 transparent; animation-delay: 0s; }
.tri.t2 { top: 24%; left: 22%; border-width: 120px 70px 0 70px;  border-color: #e5eef6 transparent transparent transparent; animation-delay: 1.5s; opacity: .45; }
.tri.t3 { top: 12%; right: 12%; border-width: 0 110px 180px 110px; border-color: transparent transparent #eef4d8 transparent; animation-delay: 3s; opacity: .4; }
.tri.t4 { bottom: 10%; right: 22%; border-width: 100px 60px 0 60px; border-color: #f7e3df transparent transparent transparent; animation-delay: 2s; opacity: .5; }
.tri.t5 { bottom: 16%; left: 14%; border-width: 0 70px 120px 70px; border-color: transparent transparent #dfeaf5 transparent; animation-delay: 4s; }
.tri.t6 { top: 46%; right: 6%; border-width: 80px 48px 0 48px; border-color: #e9f0f7 transparent transparent transparent; animation-delay: 1s; opacity: .55; }
@keyframes floaty { from { transform: translateY(0) rotate(0); } to { transform: translateY(26px) rotate(6deg); } }

.hero__content { position: relative; z-index: 2; max-width: 860px; margin: 0 auto; text-align: center; padding: 0 clamp(1.1rem, 4vw, 2rem); }
.hero__eyebrow {
  display: inline-block; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
  font-size: .74rem; color: var(--orange); background: #fff;
  padding: .5rem 1.1rem; border-radius: 999px; box-shadow: var(--shadow-sm); margin-bottom: 1.5rem;
}
.hero__title {
  font-size: clamp(2.1rem, 5.4vw, 4rem); font-weight: 800; line-height: 1.08;
  letter-spacing: -1px; color: var(--ink);
}
.hero__title span { color: var(--blue); position: relative; }
.hero__title span::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 4px; height: 12px;
  background: linear-gradient(90deg, rgba(242,106,27,.28), rgba(247,148,29,.28));
  z-index: -1; border-radius: 6px;
}
.hero__lead { font-size: clamp(1.02rem, 1.9vw, 1.28rem); color: var(--muted); margin: 1.5rem auto 2.2rem; max-width: 640px; }
.hero__lead strong { color: var(--ink); }

.hero__actions { display: flex; gap: .9rem; justify-content: center; flex-wrap: wrap; }
.hero__stats {
  display: flex; gap: clamp(1.5rem, 5vw, 4rem); justify-content: center; flex-wrap: wrap;
  margin-top: 3.4rem; padding-top: 2.4rem; border-top: 1px solid var(--line);
}
.hero__stats div { text-align: center; }
.hero__stats b { display: block; font-size: clamp(2rem, 4vw, 2.9rem); font-weight: 800; color: var(--blue); line-height: 1; }
.hero__stats span { font-size: .82rem; color: var(--muted); font-weight: 500; }

.hero__scroll {
  position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%);
  color: var(--blue); z-index: 3; animation: bob 1.8s infinite; display: inline-flex;
}
.hero__scroll svg { width: 28px; height: 28px; }
@keyframes bob { 0%, 100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, 8px); } }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font-family: inherit; font-weight: 700; font-size: .96rem; cursor: pointer;
  padding: .85rem 1.7rem; border-radius: 999px; border: 2px solid transparent;
  transition: transform .25s var(--ease), box-shadow .25s, background .25s, color .25s;
}
.btn--primary { background: var(--orange); color: #fff; box-shadow: 0 14px 30px -14px rgba(242, 106, 27, .95); }
.btn--primary:hover { background: var(--orange-2); transform: translateY(-3px); }
.btn--ghost { background: #fff; color: var(--blue); border-color: var(--line); box-shadow: var(--shadow-sm); }
.btn--ghost:hover { border-color: var(--blue); transform: translateY(-3px); }
.btn--block { width: 100%; }

/* ---------- Section shell ---------- */
.section { padding: clamp(4rem, 9vw, 7.5rem) 0; }
.section--tint { background: var(--bg-tint); }
.section--dark { background: linear-gradient(160deg, #0b2338 0%, #123a5c 100%); }

.head { max-width: 720px; margin: 0 auto clamp(2.4rem, 5vw, 3.6rem); text-align: center; }
.head__kicker {
  display: inline-block; font-weight: 700; text-transform: uppercase; letter-spacing: 2px;
  font-size: .74rem; color: var(--orange); margin-bottom: .8rem;
}
.head__kicker--light { color: var(--orange-2); }
.head__title { font-size: clamp(1.8rem, 4vw, 2.9rem); font-weight: 800; letter-spacing: -.5px; line-height: 1.14; }
.head__title em { font-style: normal; color: var(--blue); }
.head__title--light { color: #fff; }
.head__title--light em { color: var(--orange-2); }
.head__sub { color: var(--muted); margin-top: 1rem; font-size: 1.05rem; }
.head__sub--light { color: #b9cee0; }

/* ---------- Nosotros ---------- */
.about {
  display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center; margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.about__text p { color: var(--muted); font-size: 1.06rem; margin-bottom: 1.1rem; }
.about__text strong { color: var(--ink); }
.about__media { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.about__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.about__media:hover img { transform: scale(1.06); }

.mv { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.mv__card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(1.6rem, 3vw, 2.4rem); box-shadow: var(--shadow-sm);
  transition: transform .35s var(--ease), box-shadow .35s;
  position: relative; overflow: hidden;
}
.mv__card::before {
  content: ""; position: absolute; top: 0; left: 0; width: 5px; height: 100%;
  background: linear-gradient(var(--orange), var(--orange-2));
}
.mv__card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.mv__icon { color: var(--orange); display: inline-flex; }
.mv__icon svg { width: 30px; height: 30px; }
.mv__card h3 { font-size: 1.35rem; font-weight: 800; margin: .4rem 0 .6rem; color: var(--blue); }
.mv__card p { color: var(--muted); }

/* ---------- Grids ---------- */
.grid { display: grid; gap: 1.4rem; }
.grid--services { grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }
.grid--projects { grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }
.grid--mine     { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.grid--equip    { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }

/* Service card */
.svc {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.7rem 1.5rem; box-shadow: var(--shadow-sm);
  transition: transform .35s var(--ease), box-shadow .35s, border-color .35s;
}
.svc:hover { transform: translateY(-7px); box-shadow: var(--shadow); border-color: #d6e6f4; }
.svc__ic {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(135deg, #eef5fc, #e3eefa); color: var(--blue);
  margin-bottom: 1rem; transition: transform .35s var(--ease), background .35s;
}
.svc__ic svg { width: 27px; height: 27px; }
.svc:hover .svc__ic { transform: rotate(-6deg) scale(1.08); background: linear-gradient(135deg, var(--orange), var(--orange-2)); color: #fff; }
.svc h3 { font-size: 1.06rem; font-weight: 700; line-height: 1.35; color: var(--ink); }

/* Project / media card with hover zoom */
.card {
  position: relative; border-radius: var(--radius); overflow: hidden; cursor: pointer;
  box-shadow: var(--shadow-sm); background: #0b2338;
  transition: transform .4s var(--ease), box-shadow .4s;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.card__img { aspect-ratio: 16 / 10; overflow: hidden; }
.card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease); }
.card:hover .card__img img { transform: scale(1.1); }
.card__body {
  position: absolute; inset: auto 0 0 0; padding: 1.5rem 1.3rem 1.2rem;
  background: linear-gradient(to top, rgba(7, 24, 40, .92) 10%, rgba(7, 24, 40, .4) 60%, transparent);
  color: #fff; transform: translateY(6px); transition: transform .4s var(--ease);
}
.card:hover .card__body { transform: translateY(0); }
.card__body h3 { font-size: 1.12rem; font-weight: 700; }
.card__body p { font-size: .86rem; color: #cfe0ef; margin-top: .25rem; }
.card__tag {
  position: absolute; top: 12px; left: 12px; z-index: 2; font-size: .68rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1px; padding: .35rem .7rem; border-radius: 999px;
  background: rgba(242, 106, 27, .95); color: #fff;
}
.card__zoom {
  position: absolute; top: 12px; right: 12px; z-index: 2; width: 34px; height: 34px;
  display: grid; place-items: center; border-radius: 50%; background: rgba(255,255,255,.9);
  color: var(--blue); opacity: 0; transform: scale(.8); transition: .35s var(--ease);
}
.card__zoom svg { width: 16px; height: 16px; }
.card:hover .card__zoom { opacity: 1; transform: scale(1); }

/* ---------- Equip chips ---------- */
.chips { display: flex; flex-wrap: wrap; gap: .7rem; justify-content: center; margin-top: 2.5rem; }
.chips span {
  background: #fff; border: 1px solid var(--line); color: var(--ink);
  padding: .55rem 1.1rem; border-radius: 999px; font-size: .86rem; font-weight: 600;
  box-shadow: var(--shadow-sm); transition: transform .25s var(--ease), color .25s, border-color .25s;
}
.chips span:hover { transform: translateY(-3px); color: var(--blue); border-color: #cfe1f1; }

/* ---------- Logos ---------- */
.logos {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(1rem, 3vw, 2.2rem); box-shadow: var(--shadow-sm); text-align: center;
}
.logos img { margin: 0 auto; border-radius: var(--radius-sm); }
.logos--small { max-width: 820px; margin: 0 auto; }

/* ---------- Contacto ---------- */
.contact { display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(1.5rem, 4vw, 3rem); align-items: start; }
.contact__cards { display: grid; gap: 1.1rem; }
.contact__card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.5rem 1.6rem; box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s;
}
.contact__card:hover { transform: translateX(6px); box-shadow: var(--shadow); }
.contact__ic { color: var(--orange); display: inline-flex; }
.contact__ic svg { width: 28px; height: 28px; }
.contact__card h3 { font-size: 1.05rem; color: var(--blue); margin: .3rem 0 .35rem; font-weight: 700; }
.contact__card p { color: var(--muted); font-size: .95rem; }
.contact__card a { color: var(--orange); font-weight: 600; }

.contact__form {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(1.5rem, 3vw, 2.4rem); box-shadow: var(--shadow);
}
.field { margin-bottom: 1.1rem; }
.field label { display: block; font-weight: 600; font-size: .86rem; margin-bottom: .4rem; color: var(--ink); }
.field input, .field textarea {
  width: 100%; font-family: inherit; font-size: .96rem; color: var(--ink);
  padding: .8rem 1rem; border: 1.5px solid var(--line); border-radius: var(--radius-sm);
  background: var(--bg-tint); transition: border-color .25s, background .25s, box-shadow .25s;
}
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--blue); background: #fff;
  box-shadow: 0 0 0 4px rgba(11, 61, 107, .1);
}
.field textarea { resize: vertical; }
.field__opt { color: var(--muted); font-weight: 500; font-size: .78rem; }
.hp { position: absolute; left: -9999px; top: 0; width: 1px; height: 1px; opacity: 0; overflow: hidden; }
.contact__note { margin-top: .9rem; font-size: .9rem; font-weight: 600; min-height: 1.2rem; text-align: center; }
.contact__note.ok { color: #1a8f4c; }
.contact__note.err { color: #d33b2e; }
.contact__note a { color: inherit; text-decoration: underline; }
.btn:disabled { opacity: .65; cursor: progress; transform: none; }

/* ---------- Footer ---------- */
.footer { background: var(--bg-dark); color: #cfe0ef; padding: 3rem 0; text-align: center; }
.footer__inner { display: grid; gap: 1rem; justify-items: center; }
.brand--footer .brand__text { color: #fff; }
.brand--footer .brand__text small { color: #8fb0cc; }
.footer__tag { color: #9fbdd6; font-size: .92rem; max-width: 640px; }
.footer__copy { color: #6f8ba5; font-size: .82rem; }

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 100; display: none; place-items: center;
  background: rgba(6, 18, 30, .92); padding: 4vw; opacity: 0; transition: opacity .3s;
}
.lightbox.is-open { display: grid; opacity: 1; }
.lightbox img { max-width: 92vw; max-height: 82vh; border-radius: var(--radius-sm); box-shadow: 0 30px 80px rgba(0,0,0,.6); }
.lightbox__cap { color: #dbe7f2; margin-top: 1rem; text-align: center; font-weight: 600; }
.lightbox__close {
  position: absolute; top: 20px; right: 26px; width: 46px; height: 46px; border: 0; cursor: pointer;
  background: rgba(255,255,255,.12); color: #fff; font-size: 1.8rem; border-radius: 50%;
  transition: background .25s, transform .25s;
}
.lightbox__close:hover { background: rgba(255,255,255,.25); transform: rotate(90deg); }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .about, .mv, .contact { grid-template-columns: 1fr; }
  .nav__toggle { display: flex; }
  .nav__links {
    position: fixed; inset: 64px 0 auto 0; flex-direction: column; align-items: stretch;
    background: #fff; padding: 1rem 1.2rem 1.6rem; gap: .3rem;
    border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
    transform: translateY(-140%); transition: transform .4s var(--ease); z-index: 55;
  }
  .nav__links.is-open { transform: none; }
  .nav__links a { padding: .8rem 1rem; border-radius: var(--radius-sm); }
  .nav__cta { text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}