/* ============================================================
   ETS Technical Services — style.css  (Multi-page v2)
   ============================================================ */

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

:root {
  --blue:      #0062ff;
  --blue-dk:   #0048cc;
  --blue-lt:   #e8f0ff;
  --cyan:      #00c6ff;
  --yellow:    #ffb800;
  --green:     #00c97a;
  --red:       #ff4545;
  --purple:    #7c3aed;
  --orange:    #ff6b35;
  --dark:      #0a0f1e;
  --dark2:     #111827;
  --mid:       #374151;
  --muted:     #6b7280;
  --border:    #e5e7eb;
  --bg:        #f9fafb;
  --white:     #ffffff;
  --grad-txt:  linear-gradient(135deg,#0062ff,#00c6ff);
  --shadow:    0 4px 24px rgba(0,0,0,.10);
  --shadow-lg: 0 12px 48px rgba(0,98,255,.18);
  --radius:    16px;
  --radius-sm: 10px;
  --transition:.25s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--white);
  color: var(--dark);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width:100%; display:block; }
a   { color: inherit; text-decoration: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ---- GRADIENT TEXT ---- */
.grad {
  background: var(--grad-txt);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---- FADE-UP ---- */
.fade-up { opacity:0; transform:translateY(32px); transition: opacity .6s ease, transform .6s ease; }
.fade-up.visible { opacity:1; transform:translateY(0); }

/* ============================================================
   NAVBAR
   ============================================================ */
#navbar {
  position: fixed; top:0; left:0; right:0; z-index:1000;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
#navbar.scrolled { box-shadow: 0 4px 30px rgba(0,0,0,.10); }

.nav-inner {
  max-width:1200px; margin:0 auto; padding:0 24px;
  display:flex; align-items:center; gap:8px; height:68px;
}

/* LOGO */
.logo { display:flex; align-items:center; gap:10px; flex-shrink:0; }
.logo-box {
  width:40px; height:40px; border-radius:10px;
  background: var(--blue);
  display:flex; align-items:center; justify-content:center;
}
.logo-box span { color:#fff; font-weight:800; font-size:.85rem; letter-spacing:.5px; }
.logo-text strong { display:block; font-size:.95rem; font-weight:700; line-height:1.2; }
.logo-text small  { font-size:.75rem; color:var(--muted); }

/* NAV LINKS WITH DROPDOWN */
.nav-links { display:flex; list-style:none; gap:2px; margin-left:auto; position:relative; }
.nav-links > li { position:relative; }
.nav-links > li > a {
  display:flex; align-items:center; gap:4px;
  padding:8px 14px; border-radius:8px;
  font-size:.88rem; font-weight:500; color:var(--mid);
  transition: background var(--transition), color var(--transition);
  white-space:nowrap;
}
.nav-links > li > a:hover,
.nav-links > li > a.active { background:var(--blue-lt); color:var(--blue); }

/* Dropdown arrow */
.nav-links .has-drop > a::after {
  content: '▾';
  font-size:.65rem;
  margin-left:2px;
  transition: transform var(--transition);
}
.nav-links .has-drop:hover > a::after { transform: rotate(180deg); }

/* Dropdown menu */
.dropdown {
  position:absolute; top:100%; left:0;
  padding-top:8px; /* bridge gap so mouse doesn't lose hover */
  background:transparent;
  min-width:200px;
  opacity:0; visibility:hidden; pointer-events:none;
  transform: translateY(-4px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s;
  z-index:100;
}
.dropdown::before {
  content:''; display:none; /* arrow optional */
}
/* inner box */
.dropdown > a:first-child { border-radius:10px 10px 0 0; }
.dropdown > a:last-child  { border-radius:0 0 10px 10px; }
.dropdown > a {
  background:#fff;
  border-left:1px solid var(--border);
  border-right:1px solid var(--border);
  box-shadow:none;
}
.dropdown > a:first-child { border-top:1px solid var(--border); box-shadow:0 -4px 16px rgba(0,0,0,.06); }
.dropdown > a:last-child  { border-bottom:1px solid var(--border); box-shadow:0 8px 24px rgba(0,0,0,.12); }
.nav-links .has-drop:hover .dropdown {
  opacity:1; visibility:visible; pointer-events:all;
  transform: translateY(0);
}
.dropdown a {
  display:flex; align-items:center; gap:10px;
  padding:10px 14px;
  font-size:.87rem; font-weight:500; color:var(--mid);
  transition: background var(--transition), color var(--transition);
}
.dropdown a:hover { background:var(--blue-lt); color:var(--blue); }
.dropdown a .d-icon { font-size:1.1rem; width:24px; text-align:center; }

/* NAV ACTIONS */
.nav-actions { display:flex; gap:8px; margin-left:16px; }
.btn-call, .btn-wa {
  padding:9px 16px; border-radius:10px;
  font-size:.82rem; font-weight:600;
  transition: all var(--transition);
  white-space:nowrap;
}
.btn-call { background:var(--blue); color:#fff; }
.btn-call:hover { background:var(--blue-dk); transform:translateY(-1px); }
.btn-wa   { background:#25d366; color:#fff; }
.btn-wa:hover { background:#1ebe5d; transform:translateY(-1px); }

/* HAMBURGER */
.hamburger {
  display:none; flex-direction:column; gap:5px; cursor:pointer;
  margin-left:auto; padding:6px;
}
.hamburger span {
  display:block; width:22px; height:2px; background:var(--dark);
  border-radius:2px; transition: all .3s;
}
.hamburger.open span:nth-child(1) { transform:translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity:0; }
.hamburger.open span:nth-child(3) { transform:translateY(-7px) rotate(-45deg); }

/* MOBILE MENU */
.mobile-menu {
  display:none; position:fixed; top:68px; left:0; right:0;
  background:#fff; border-bottom:1px solid var(--border);
  padding:16px 24px 24px; z-index:999;
  flex-direction:column; gap:4px;
  box-shadow:0 8px 32px rgba(0,0,0,.1);
  max-height:calc(100vh - 68px); overflow-y:auto;
}
.mobile-menu.open { display:flex; }
.mobile-menu a {
  padding:12px 14px; border-radius:10px;
  font-weight:500; color:var(--mid);
  transition: background var(--transition);
  font-size:.92rem;
}
.mobile-menu a:hover { background:var(--blue-lt); color:var(--blue); }
.mobile-menu .mob-section {
  font-size:.72rem; font-weight:700; text-transform:uppercase;
  letter-spacing:.8px; color:var(--muted); padding:12px 14px 4px;
}
.mob-call { background:var(--blue)!important; color:#fff!important; text-align:center; margin-top:8px; }
.mob-wa   { background:#25d366!important; color:#fff!important; text-align:center; }

/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */
.page-hero {
  padding-top:68px;
  background: var(--dark);
  position:relative; overflow:hidden;
}
.page-hero-bg { position:absolute; inset:0; overflow:hidden; }
.page-hero-blob {
  position:absolute; border-radius:50%;
  filter:blur(80px); opacity:.3;
}
.ph-b1 { width:500px; height:500px; background:radial-gradient(circle,#0062ff,transparent 70%); top:-200px; left:-100px; }
.ph-b2 { width:400px; height:400px; background:radial-gradient(circle,#00c6ff,transparent 70%); bottom:-150px; right:5%; opacity:.2; }

.page-hero-inner {
  position:relative; z-index:1;
  padding:72px 0 80px;
  text-align:center;
}
.page-hero-inner .ph-pill {
  display:inline-flex; align-items:center; gap:6px;
  background:rgba(255,255,255,.1); border:1px solid rgba(255,255,255,.15);
  padding:6px 16px; border-radius:100px;
  font-size:.78rem; font-weight:600; color:rgba(255,255,255,.85);
  margin-bottom:20px;
}
.page-hero-inner h1 {
  font-size:clamp(2rem,4vw,3.2rem);
  font-weight:900; color:#fff; line-height:1.1;
  margin-bottom:16px;
}
.page-hero-inner p {
  font-size:1.05rem; color:rgba(255,255,255,.65);
  max-width:520px; margin:0 auto;
}

/* ============================================================
   SECTION HEADER
   ============================================================ */
.sec-head { margin-bottom:56px; }
.sec-head.center { text-align:center; }
.sec-pill {
  display:inline-flex; align-items:center;
  padding:6px 16px; border-radius:100px;
  background:var(--blue-lt); color:var(--blue);
  font-size:.78rem; font-weight:700;
  text-transform:uppercase; letter-spacing:.6px;
  margin-bottom:14px;
}
.sec-head h2 {
  font-size:clamp(1.8rem,3vw,2.6rem);
  font-weight:800; line-height:1.15; margin-bottom:14px;
}
.sec-head p { font-size:1rem; color:var(--muted); max-width:560px; }
.sec-head.center p { margin:0 auto; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-primary {
  display:inline-flex; align-items:center; gap:8px;
  padding:14px 28px; border-radius:12px;
  background:var(--blue); color:#fff;
  font-weight:700; font-size:.95rem;
  border:none; cursor:pointer;
  transition: all var(--transition);
  box-shadow:0 4px 20px rgba(0,98,255,.4);
}
.btn-primary:hover { background:var(--blue-dk); transform:translateY(-2px); box-shadow:0 8px 32px rgba(0,98,255,.5); }
.btn-whatsapp {
  display:inline-flex; align-items:center; gap:8px;
  padding:14px 28px; border-radius:12px;
  background:#25d366; color:#fff;
  font-weight:700; font-size:.95rem;
  transition:all var(--transition);
}
.btn-whatsapp:hover { background:#1ebe5d; transform:translateY(-2px); }
.btn-outline {
  display:inline-flex; align-items:center; gap:8px;
  padding:14px 28px; border-radius:12px;
  border:2px solid var(--blue); color:var(--blue);
  font-weight:700; font-size:.95rem;
  transition:all var(--transition);
}
.btn-outline:hover { background:var(--blue); color:#fff; transform:translateY(-2px); }
.btn-dark {
  display:inline-flex; align-items:center; gap:8px;
  padding:14px 28px; border-radius:12px;
  background:var(--dark); color:#fff;
  font-weight:700; font-size:.95rem;
  border:none; cursor:pointer;
  transition:all var(--transition);
}
.btn-dark:hover { background:var(--blue); transform:translateY(-2px); }
.full-btn { width:100%; justify-content:center; }

/* ============================================================
   FORMS
   ============================================================ */
.form-card {
  background:var(--dark2); border-radius:var(--radius);
  padding:40px; border:1px solid rgba(255,255,255,.07);
  box-shadow: 0 24px 64px rgba(0,0,0,.3);
}
.form-card.light {
  background:var(--white); border:1px solid var(--border);
  box-shadow:var(--shadow);
}
.form-card h3 { font-size:1.25rem; font-weight:700; color:#fff; margin-bottom:28px; }
.form-card.light h3 { color:var(--dark); }
.f-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-bottom:16px; }
.f-group { display:flex; flex-direction:column; gap:6px; margin-bottom:16px; }
.f-group.full { grid-column:1/-1; }
.f-group label { font-size:.82rem; font-weight:600; color:rgba(255,255,255,.65); }
.form-card.light .f-group label { color:var(--mid); }
.f-group input,
.f-group select,
.f-group textarea {
  padding:12px 16px; border-radius:10px;
  border:1px solid rgba(255,255,255,.1);
  background:rgba(255,255,255,.06); color:#fff;
  font-size:.9rem; font-family:inherit;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
  outline:none;
}
.f-group input::placeholder,
.f-group textarea::placeholder { color:rgba(255,255,255,.3); }
.f-group input:focus,
.f-group select:focus,
.f-group textarea:focus {
  border-color:var(--blue);
  background:rgba(0,98,255,.08);
  box-shadow:0 0 0 3px rgba(0,98,255,.15);
}
.form-card.light .f-group input,
.form-card.light .f-group select,
.form-card.light .f-group textarea {
  background:var(--bg); border-color:var(--border); color:var(--dark);
}
.form-card.light .f-group input::placeholder,
.form-card.light .f-group textarea::placeholder { color:var(--muted); }
.form-card.light .f-group input:focus,
.form-card.light .f-group select:focus,
.form-card.light .f-group textarea:focus { border-color:var(--blue); background:#fff; }
.f-group select option { background:var(--dark2); color:#fff; }
.form-card.light .f-group select option { background:#fff; color:var(--dark); }
.f-group textarea { resize:vertical; min-height:100px; }
.form-msg { margin-top:12px; padding:12px 16px; border-radius:10px; font-size:.85rem; font-weight:500; display:none; }
.form-msg.success { display:block; background:rgba(0,201,122,.1); color:var(--green); border:1px solid rgba(0,201,122,.3); }
.form-msg.error   { display:block; background:rgba(255,69,69,.1);  color:var(--red);   border:1px solid rgba(255,69,69,.3);  }

/* ============================================================
   AREAS CHIPS
   ============================================================ */
.areas-wrap { display:flex; flex-wrap:wrap; gap:10px; justify-content:center; }
.area-chip {
  padding:9px 18px; border-radius:100px;
  background:rgba(255,255,255,.07); border:1px solid rgba(255,255,255,.12);
  color:rgba(255,255,255,.8); font-size:.85rem; font-weight:500;
  transition:all var(--transition); cursor:default;
}
.area-chip:hover { background:var(--blue); border-color:var(--blue); color:#fff; transform:translateY(-2px); }
.area-chip.light {
  background:var(--bg); border:1px solid var(--border); color:var(--mid);
}
.area-chip.light:hover { background:var(--blue-lt); border-color:var(--blue); color:var(--blue); }

/* ============================================================
   TOAST
   ============================================================ */
.toast {
  position:fixed; bottom:24px; right:24px; z-index:9999;
  padding:14px 22px; border-radius:12px;
  font-size:.9rem; font-weight:600; color:#fff;
  background:var(--dark); box-shadow:0 8px 32px rgba(0,0,0,.3);
  transform:translateY(80px); opacity:0; pointer-events:none;
  transition: transform .35s ease, opacity .35s ease;
}
.toast.show { transform:translateY(0); opacity:1; }
.toast.success { background:var(--green); }
.toast.error   { background:var(--red); }

/* ============================================================
   FOOTER
   ============================================================ */
footer { background:var(--dark2); padding:64px 0 0; }
.footer-inner {
  display:grid; grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px; padding-bottom:48px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand p { font-size:.88rem; color:rgba(255,255,255,.4); margin-top:14px; max-width:260px; line-height:1.7; }
.footer-col h4 {
  font-size:.78rem; font-weight:700;
  text-transform:uppercase; letter-spacing:.8px;
  color:rgba(255,255,255,.35); margin-bottom:16px;
}
.footer-col a {
  display:block; font-size:.88rem; color:rgba(255,255,255,.55);
  margin-bottom:10px; transition:color var(--transition);
}
.footer-col a:hover { color:#fff; }
.footer-bottom {
  text-align:center; padding:20px;
  font-size:.8rem; color:rgba(255,255,255,.25);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:1024px) {
  .footer-inner { grid-template-columns:1fr 1fr; }
}
@media(max-width:768px) {
  .nav-links, .nav-actions { display:none; }
  .hamburger { display:flex; }
  .f-row { grid-template-columns:1fr; }
  .footer-inner { grid-template-columns:1fr 1fr; gap:28px; }
  .page-hero-inner { padding:60px 0 64px; }
}
@media(max-width:480px) {
  .container { padding:0 16px; }
  .form-card { padding:24px 20px; }
  .footer-inner { grid-template-columns:1fr; }
}