/* =========================================================
   TORRE NEVADA LTDA. — Hoja de estilos principal
   Estilo: corporativo, sobrio, industrial-logístico
   ========================================================= */

:root{
  --navy: #061c33;
  --blue-dark: #0a2f52;
  --blue: #0f3d63;
  --blue-mid: #1a5a8a;
  --blue-light: #4a90c2;
  --ice: #cfe3f2;
  --gray-50: #f6f8fa;
  --gray-100: #eef1f4;
  --gray-300: #cdd4dc;
  --gray-500: #8a94a3;
  --gray-700: #4b5563;
  --gray-900: #1c2531;
  --white: #ffffff;

  --font: 'Barlow', 'Segoe UI', Arial, sans-serif;
  --font-display: 'Barlow Semi Condensed', 'Barlow', 'Segoe UI', Arial, sans-serif;

  --radius: 4px;
  --shadow-sm: 0 1px 3px rgba(6,28,51,0.08);
  --shadow-md: 0 8px 24px rgba(6,28,51,0.12);
  --shadow-lg: 0 20px 50px rgba(6,28,51,0.18);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font);
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family: var(--font-display); font-weight: 700; margin:0; color: var(--navy); }
p{ margin:0; }
button{ font-family: var(--font); cursor:pointer; }
input, textarea, select{ font-family: var(--font); }

.container{
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 28px;
}

.section{ padding: 110px 0; }
.section--tight{ padding: 80px 0; }
.section--alt{ background: var(--gray-50); }
.section--dark{ background: var(--navy); color: var(--white); }
.section--dark h2, .section--dark h3, .section--dark p{ color: var(--white); }

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family: var(--font);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--blue-mid);
  margin-bottom: 18px;
}
.eyebrow::before{
  content:"";
  width: 28px;
  height: 2px;
  background: var(--blue-mid);
  display:inline-block;
}
.section--dark .eyebrow{ color: var(--ice); }
.section--dark .eyebrow::before{ background: var(--ice); }

.section-title{
  font-size: clamp(28px, 3.4vw, 42px);
  line-height: 1.15;
  max-width: 760px;
  letter-spacing: -0.3px;
}
.section-lead{
  margin-top: 20px;
  max-width: 720px;
  color: var(--gray-700);
  font-size: 17px;
}
.section--dark .section-lead{ color: var(--ice); }

.section-head{
  margin-bottom: 56px;
}
.section-head--center{
  text-align:center;
  margin-left:auto;
  margin-right:auto;
}
.section-head--center .section-title,
.section-head--center .section-lead{
  margin-left:auto;
  margin-right:auto;
}

/* ---------- reveal on scroll ---------- */
.reveal{
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.reveal.is-visible{
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1{ transition-delay: .08s; }
.reveal-delay-2{ transition-delay: .16s; }
.reveal-delay-3{ transition-delay: .24s; }
.reveal-delay-4{ transition-delay: .32s; }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding: 15px 30px;
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  transition: all .35s var(--ease);
  white-space: nowrap;
}
.btn-primary{
  background: var(--blue-mid);
  color: var(--white);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover{ background: var(--blue-dark); transform: translateY(-1px); box-shadow: var(--shadow-md); }

.btn-outline{
  background: transparent;
  border-color: rgba(255,255,255,0.55);
  color: var(--white);
}
.btn-outline:hover{ background: rgba(255,255,255,0.12); border-color: var(--white); }

.btn-ghost-dark{
  background: transparent;
  border-color: var(--blue);
  color: var(--blue);
}
.btn-ghost-dark:hover{ background: var(--blue); color: var(--white); }

.btn-sm{ padding: 11px 22px; font-size: 13px; }

/* =========================================================
   HEADER
   ========================================================= */
.site-header{
  position: fixed;
  top:0; left:0; right:0;
  z-index: 1000;
  background: rgba(6, 28, 51, 0.0);
  transition: background .4s var(--ease), box-shadow .4s var(--ease), backdrop-filter .4s var(--ease);
  padding: 22px 0;
}
.site-header.is-scrolled{
  background: rgba(6, 28, 51, 0.96);
  backdrop-filter: blur(6px);
  box-shadow: 0 4px 24px rgba(0,0,0,0.18);
  padding: 14px 0;
}
.site-header .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 24px;
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
  color:#fff;
}
.brand-mark{
  width: 42px; height:42px;
  border-radius: 3px;
  background: linear-gradient(155deg, var(--blue-light), var(--blue-mid) 55%, var(--navy));
  display:flex; align-items:center; justify-content:center;
  color:#fff; font-family: var(--font-display); font-weight:700; font-size: 16px;
  letter-spacing: 0.5px;
  flex-shrink:0;
}
.brand-text{
  line-height: 1.15;
}
.brand-text strong{
  display:block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16.5px;
  letter-spacing: 0.4px;
}
.brand-text span{
  display:block;
  font-size: 10.5px;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--ice);
  opacity:0.85;
  margin-top: 2px;
}

.main-nav{
  display:flex;
  align-items:center;
  gap: 34px;
}
.main-nav a{
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.3px;
  padding: 6px 0;
  position:relative;
  opacity: 0.88;
  transition: opacity .3s;
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:0; bottom:-2px;
  width:0; height:2px;
  background: var(--blue-light);
  transition: width .3s var(--ease);
}
.main-nav a:hover{ opacity:1; }
.main-nav a:hover::after{ width:100%; }

.header-actions{
  display:flex;
  align-items:center;
  gap: 12px;
}
.btn-intranet{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding: 10px 16px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.3px;
  text-transform: none;
  color: var(--ice);
  border: 1px solid rgba(255,255,255,0.28);
  border-radius: var(--radius);
  transition: all .3s var(--ease);
}
.btn-intranet:hover{
  border-color: rgba(255,255,255,0.6);
  color: #fff;
  background: rgba(255,255,255,0.06);
}
.btn-intranet svg{ width:14px; height:14px; opacity:0.85; }

.nav-toggle{
  display:none;
  width: 42px; height:42px;
  border-radius: 3px;
  border: 1px solid rgba(255,255,255,0.3);
  background: transparent;
  align-items:center; justify-content:center;
  flex-direction:column;
  gap:4px;
}
.nav-toggle span{
  width: 18px; height:2px; background:#fff; display:block; transition: all .3s;
}

/* =========================================================
   HERO
   ========================================================= */
.hero{
  position: relative;
  min-height: 100vh;
  display:flex;
  align-items:flex-end;
  color:#fff;
  overflow:hidden;
  background: var(--navy);
}
.hero-media{
  position:absolute; inset:0;
  background:
    linear-gradient(180deg, rgba(6,17,31,0.55) 0%, rgba(6,20,36,0.72) 45%, rgba(4,14,26,0.94) 100%),
    linear-gradient(120deg, #0a2947 0%, #0f3d63 42%, #164f7d 70%, #0a2947 100%);
  background-size: cover;
}
.hero-media::after{
  content:"";
  position:absolute; inset:0;
  background-image:
    repeating-linear-gradient(115deg, rgba(255,255,255,0.035) 0px, rgba(255,255,255,0.035) 1px, transparent 1px, transparent 68px);
  opacity: .5;
}
.hero-photo-tag{
  position:absolute;
  right: 28px; top: 110px;
  font-size: 11px;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  border: 1px dashed rgba(255,255,255,0.28);
  padding: 8px 12px;
  border-radius: 3px;
  max-width: 220px;
  text-align:right;
  line-height:1.5;
}
.hero-inner{
  position:relative;
  z-index:2;
  width:100%;
  padding-bottom: 100px;
  padding-top: 200px;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size: 12.5px;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight:700;
  color: var(--ice);
  margin-bottom: 26px;
}
.hero-badge::before{
  content:"";
  width:30px; height:2px;
  background: var(--blue-light);
}
.hero h1{
  color:#fff;
  font-size: clamp(34px, 5.4vw, 66px);
  line-height: 1.08;
  max-width: 920px;
  letter-spacing: -0.5px;
}
.hero-sub{
  margin-top: 26px;
  max-width: 640px;
  font-size: 18px;
  color: rgba(255,255,255,0.86);
  line-height: 1.7;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap: 16px;
  margin-top: 42px;
}

.hero-stats{
  position:relative;
  z-index:2;
  border-top: 1px solid rgba(255,255,255,0.16);
  margin-top: 70px;
}
.hero-stats .container{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
}
.hero-stat{
  padding: 26px 28px;
  border-right: 1px solid rgba(255,255,255,0.12);
}
.hero-stat:last-child{ border-right:none; }
.hero-stat strong{
  display:block;
  font-family: var(--font-display);
  font-size: 26px;
  font-weight:700;
  color:#fff;
}
.hero-stat span{
  display:block;
  margin-top:6px;
  font-size: 12.5px;
  color: var(--ice);
  letter-spacing: 0.3px;
}

/* =========================================================
   IMAGE PLACEHOLDER (para reemplazo futuro por fotografías reales)
   ========================================================= */
.img-placeholder{
  position:relative;
  width:100%;
  min-height: 220px;
  border-radius: var(--radius);
  overflow:hidden;
  background: linear-gradient(150deg, #0f3d63 0%, #1a5a8a 55%, #0a2947 100%);
  display:flex;
  align-items:center;
  justify-content:center;
  color: rgba(255,255,255,0.9);
}
.img-placeholder::before{
  content:"";
  position:absolute; inset:0;
  background-image: repeating-linear-gradient(45deg, rgba(255,255,255,0.05) 0, rgba(255,255,255,0.05) 1px, transparent 1px, transparent 22px);
}
.img-placeholder-inner{
  position:relative;
  z-index:1;
  text-align:center;
  padding: 24px;
}
.img-placeholder-inner svg{
  width: 40px; height:40px;
  margin: 0 auto 12px;
  opacity: .85;
}
.img-placeholder-inner span{
  display:block;
  font-size: 11.5px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  font-weight: 600;
  color: rgba(255,255,255,0.78);
  max-width: 220px;
  margin: 0 auto;
  line-height: 1.5;
}

/* =========================================================
   NOSOTROS
   ========================================================= */
.about-grid{
  display:grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 70px;
  align-items:center;
}
.about-text p{
  color: var(--gray-700);
  font-size: 16.5px;
  margin-bottom: 20px;
}
.about-text p:last-child{ margin-bottom:0; }
.about-media{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.about-media .img-placeholder:first-child{ grid-column: 1 / -1; min-height: 260px; }
.about-media .img-placeholder{ min-height: 170px; }

/* =========================================================
   VALORES
   ========================================================= */
.values-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--gray-300);
  border-radius: var(--radius);
  overflow:hidden;
}
.value-card{
  background:#fff;
  padding: 40px 34px;
  transition: background .3s var(--ease);
}
.value-card:hover{ background: var(--gray-50); }
.value-card .value-num{
  font-family: var(--font-display);
  font-size: 13px;
  font-weight:700;
  color: var(--blue-light);
  letter-spacing: 1px;
}
.value-card h3{
  font-size: 19px;
  margin-top: 14px;
  margin-bottom: 10px;
}
.value-card p{
  color: var(--gray-700);
  font-size: 14.5px;
}
.values-note{
  margin-top: 44px;
  max-width: 760px;
  color: var(--gray-700);
  font-size: 16px;
  border-left: 3px solid var(--blue-light);
  padding-left: 22px;
}

/* =========================================================
   SERVICIOS
   ========================================================= */
.services-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.service-card{
  background:#fff;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  overflow:hidden;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
}
.service-card:hover{
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.service-card .img-placeholder{ min-height: 170px; border-radius:0; }
.service-card-body{ padding: 28px 26px 32px; }
.service-index{
  font-family: var(--font-display);
  font-size: 12.5px;
  font-weight:700;
  color: var(--blue-light);
  letter-spacing: 1.2px;
}
.service-card h3{
  font-size: 19.5px;
  margin-top: 12px;
  margin-bottom: 12px;
  line-height: 1.25;
}
.service-card p{
  color: var(--gray-700);
  font-size: 14.5px;
}

/* =========================================================
   NUMEROS
   ========================================================= */
.numbers-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius);
  overflow:hidden;
  margin-top: 10px;
}
.number-card{
  background: var(--blue-dark);
  padding: 34px 28px;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.number-card .num-icon{
  width: 30px; height:30px;
  color: var(--blue-light);
}
.number-card strong{
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color:#fff;
  line-height:1.1;
}
.number-card span{
  font-size: 13px;
  color: var(--ice);
  line-height: 1.4;
}

/* =========================================================
   OPERACION
   ========================================================= */
.operation-layout{
  display:grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 70px;
  align-items:start;
}
.operation-intro p{
  color: var(--gray-700);
  font-size: 16.5px;
}
.operation-list{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--gray-300);
  border-radius: var(--radius);
  overflow:hidden;
}
.operation-item{
  background:#fff;
  padding: 26px 24px;
  display:flex;
  gap: 16px;
  align-items:flex-start;
}
.operation-item .op-icon{
  width: 22px; height:22px;
  flex-shrink:0;
  color: var(--blue-mid);
  margin-top: 2px;
}
.operation-item h4{
  font-size: 15px;
  font-weight:700;
  margin-bottom: 4px;
}
.operation-item p{
  font-size: 13.5px;
  color: var(--gray-700);
}

/* =========================================================
   FLOTA / INFRAESTRUCTURA
   ========================================================= */
.fleet-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.fleet-item{
  border-radius: var(--radius);
  overflow:hidden;
}
.fleet-item .img-placeholder{ min-height:190px; border-radius: var(--radius) var(--radius) 0 0; }
.fleet-caption{
  background: var(--gray-50);
  border: 1px solid var(--gray-300);
  border-top:none;
  padding: 14px 16px;
  font-size: 13.5px;
  font-weight:600;
  color: var(--gray-900);
  border-radius: 0 0 var(--radius) var(--radius);
}

/* =========================================================
   PORTAL INTERNO (preview)
   ========================================================= */
.portal-preview{
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 6px;
  padding: 56px;
  background: linear-gradient(160deg, rgba(255,255,255,0.035), rgba(255,255,255,0));
}
.portal-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap: 28px;
  margin-bottom: 46px;
}
.portal-head .section-lead{ margin-top:14px; }
.portal-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: rgba(255,255,255,0.14);
  border-radius: 4px;
  overflow:hidden;
}
.portal-card{
  background: var(--navy);
  padding: 32px 28px;
}
.portal-card .portal-icon{
  width: 30px; height:30px;
  color: var(--blue-light);
  margin-bottom: 18px;
}
.portal-card h4{
  color:#fff;
  font-size: 16.5px;
  margin-bottom: 10px;
}
.portal-card p{
  color: var(--ice);
  font-size: 13.5px;
  opacity: 0.85;
}

/* =========================================================
   DECLARACION CORPORATIVA
   ========================================================= */
.pillars-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}
.pillar{
  border-top: 3px solid var(--blue-mid);
  padding-top: 24px;
}
.pillar h3{ font-size: 19px; margin-bottom: 14px; }
.pillar p{ color: var(--gray-700); font-size: 15px; }

/* =========================================================
   CONTACTO
   ========================================================= */
.contact-layout{
  display:grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 64px;
}
.contact-info{
  background: var(--navy);
  color:#fff;
  border-radius: 6px;
  padding: 44px 38px;
}
.contact-info h3{ color:#fff; font-size: 20px; margin-bottom: 22px; }
.contact-info-item{
  display:flex;
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.contact-info-item:first-of-type{ border-top:none; }
.contact-info-item svg{ width:19px; height:19px; color: var(--blue-light); flex-shrink:0; margin-top:2px; }
.contact-info-item strong{ display:block; font-size: 13px; color: var(--ice); text-transform:uppercase; letter-spacing:0.6px; margin-bottom:3px; }
.contact-info-item span, .contact-info-item a{ font-size: 14.5px; color: rgba(255,255,255,0.9); }

.contact-form{
  background:#fff;
  border: 1px solid var(--gray-300);
  border-radius: 6px;
  padding: 44px 40px;
}
.form-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-field{ margin-bottom: 20px; }
.form-field label{
  display:block;
  font-size: 12.5px;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing: 0.5px;
  color: var(--gray-700);
  margin-bottom: 8px;
}
.form-field input,
.form-field select,
.form-field textarea{
  width:100%;
  padding: 13px 14px;
  border: 1px solid var(--gray-300);
  border-radius: 3px;
  font-size: 14.5px;
  color: var(--gray-900);
  background: var(--gray-50);
  transition: border-color .25s, background .25s;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus{
  outline:none;
  border-color: var(--blue-mid);
  background:#fff;
}
.form-field textarea{ resize: vertical; min-height: 110px; }
.form-note{
  margin-top: 4px;
  font-size: 12.5px;
  color: var(--gray-500);
}
.form-success{
  display:none;
  margin-top: 18px;
  padding: 14px 16px;
  background: #eaf3ec;
  border: 1px solid #b9dcc0;
  color: #235c33;
  font-size: 13.5px;
  border-radius: 3px;
}
.form-success.is-visible{ display:block; }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{
  background: #041322;
  color: rgba(255,255,255,0.72);
  padding: 76px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.4fr 0.9fr 0.9fr 1fr;
  gap: 48px;
  padding-bottom: 52px;
  border-bottom: 1px solid rgba(255,255,255,0.09);
}
.footer-brand .brand{ color:#fff; margin-bottom: 18px; }
.footer-brand p{ font-size: 13.5px; line-height:1.7; max-width: 320px; color: rgba(255,255,255,0.6); }
.footer-col h5{
  color:#fff;
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.footer-col li{ margin-bottom: 12px; }
.footer-col a{ font-size: 14px; color: rgba(255,255,255,0.68); transition: color .25s; }
.footer-col a:hover{ color:#fff; }
.footer-bottom{
  padding-top: 26px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap: 12px;
  font-size: 12.5px;
  color: rgba(255,255,255,0.45);
}
.footer-bottom a{ color: rgba(255,255,255,0.55); }
.footer-bottom a:hover{ color:#fff; }

/* =========================================================
   INTRANET PLACEHOLDER PAGE
   ========================================================= */
.intranet-page{
  min-height: 100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  background:
    linear-gradient(180deg, rgba(6,17,31,0.82), rgba(4,14,26,0.94)),
    linear-gradient(135deg, #0a2947 0%, #0f3d63 45%, #164f7d 75%, #0a2947 100%);
  padding: 40px 20px;
}
.intranet-card{
  width:100%;
  max-width: 420px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 8px;
  padding: 48px 40px;
  backdrop-filter: blur(6px);
  color:#fff;
  text-align:center;
}
.intranet-card .brand-mark{ margin: 0 auto 22px; }
.intranet-card h1{ color:#fff; font-size: 24px; margin-bottom: 10px; }
.intranet-card .sub{ color: var(--ice); font-size: 14px; opacity:0.85; margin-bottom: 34px; }
.intranet-form .form-field{ text-align:left; }
.intranet-form label{ color: var(--ice); }
.intranet-form input{
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.2);
  color:#fff;
}
.intranet-form input::placeholder{ color: rgba(255,255,255,0.35); }
.intranet-form input:focus{ background: rgba(255,255,255,0.1); border-color: var(--blue-light); }
.btn-intranet-submit{
  width:100%;
  margin-top: 8px;
  background: var(--blue-mid);
  color:#fff;
  padding: 14px;
  border-radius: 3px;
  font-weight:700;
  letter-spacing:0.5px;
  text-transform:uppercase;
  font-size: 13.5px;
  border:none;
  transition: background .3s;
}
.btn-intranet-submit:hover{ background: var(--blue-light); }
.intranet-notice{
  margin-top: 26px;
  font-size: 12.5px;
  color: rgba(255,255,255,0.55);
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 18px;
  line-height:1.6;
}
.intranet-back{
  display:inline-block;
  margin-top: 22px;
  font-size: 12.5px;
  color: var(--ice);
  opacity:0.75;
}
.intranet-back:hover{ opacity:1; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1080px){
  .about-grid, .operation-layout, .contact-layout{ grid-template-columns: 1fr; gap: 44px; }
  .services-grid{ grid-template-columns: repeat(2, 1fr); }
  .numbers-grid{ grid-template-columns: repeat(2, 1fr); }
  .fleet-grid{ grid-template-columns: repeat(2, 1fr); }
  .values-grid{ grid-template-columns: repeat(2, 1fr); }
  .pillars-grid{ grid-template-columns: 1fr; gap: 36px; }
  .portal-grid{ grid-template-columns: 1fr; }
  .hero-stats .container{ grid-template-columns: repeat(2, 1fr); }
  .hero-stat:nth-child(2){ border-right:none; }
}

@media (max-width: 860px){
  .main-nav{ display:none; }
  .nav-toggle{ display:flex; }
  .section{ padding: 76px 0; }
  .operation-list{ grid-template-columns: 1fr; }
  .form-grid{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
  .portal-preview{ padding: 34px 24px; }
}

@media (max-width: 600px){
  .services-grid, .numbers-grid, .fleet-grid, .values-grid{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr; gap: 34px; }
  .hero-stats .container{ grid-template-columns: 1fr 1fr; }
  .hero-inner{ padding-top: 160px; }
  .contact-form, .contact-info{ padding: 30px 24px; }
  .hero-photo-tag{ display:none; }
}

/* Mobile nav drawer */
.mobile-nav{
  position: fixed;
  inset: 0;
  background: rgba(5,16,29,0.98);
  z-index: 1100;
  display:flex;
  flex-direction:column;
  padding: 100px 34px 40px;
  transform: translateX(100%);
  transition: transform .45s var(--ease);
}
.mobile-nav.is-open{ transform: translateX(0); }
.mobile-nav a{
  color:#fff;
  font-size: 22px;
  font-weight:600;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.mobile-nav .header-actions{
  margin-top: 30px;
  flex-direction:column;
  align-items:stretch;
}
.mobile-nav .header-actions .btn{ width:100%; }
.mobile-close{
  position:absolute;
  top: 26px; right: 28px;
  width: 42px; height:42px;
  border-radius:3px;
  border: 1px solid rgba(255,255,255,0.3);
  background:transparent;
  color:#fff;
  font-size: 20px;
}