/* ═══════════════════════════════════════════════════════
   SWAGA SERVICIOS · MANTENIMIENTO INDUSTRIAL
   Paleta: #2C3E50 (primario) | #E67E22 (acento) | #F5F5F5 (fondo)
   ═══════════════════════════════════════════════════════ */

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

:root {
  --p:    #2C3E50;
  --p2:   #1a252f;
  --a:    #E67E22;
  --a2:   #ca6f1e;
  --light:#F5F6F7;
  --mid:  #E8EAEC;
  --text: #1C2B33;
  --gray: #637381;
  --white:#ffffff;
  --radius:10px;
  --shadow:0 4px 24px rgba(44,62,80,.12);
  --trans: .25s ease;
}

html { scroll-behavior: smooth; }
body { font-family: 'Inter', Arial, sans-serif; color: var(--text); background: var(--white); line-height: 1.6; }
img  { display: block; max-width: 100%; }
a    { text-decoration: none; color: inherit; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* ── BOTONES ── */
.btn-primary { display:inline-block; background:var(--a); color:var(--white); padding:14px 32px; border-radius:var(--radius); font-weight:700; font-size:.95rem; letter-spacing:.4px; transition:background var(--trans),transform var(--trans); }
.btn-primary:hover { background:var(--a2); transform:translateY(-2px); }
.btn-primary.full  { width:100%; text-align:center; padding:16px; }
.btn-ghost { display:inline-block; border:2px solid rgba(255,255,255,.55); color:var(--white); padding:13px 30px; border-radius:var(--radius); font-weight:600; font-size:.95rem; transition:border-color var(--trans),background var(--trans); }
.btn-ghost:hover { border-color:var(--white); background:rgba(255,255,255,.1); }
.btn-nav { background:var(--a); color:var(--white); padding:9px 22px; border-radius:var(--radius); font-weight:700; font-size:.88rem; transition:background var(--trans); }
.btn-nav:hover { background:var(--a2); }

/* ── HEADER ── */
#header { position:fixed; top:0; left:0; right:0; z-index:100; transition:background var(--trans),box-shadow var(--trans); }
#header.scrolled { background:var(--p2); box-shadow:0 2px 20px rgba(0,0,0,.25); }
.header-inner { display:flex; align-items:center; justify-content:space-between; height:72px; }
.logo-link img { height:44px; width:auto; }
.nav { display:flex; align-items:center; gap:32px; }
.nav a:not(.btn-nav) { color:rgba(255,255,255,.85); font-size:.9rem; font-weight:500; transition:color var(--trans); }
.nav a:not(.btn-nav):hover { color:var(--a); }
.hamburger { display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:4px; }
.hamburger span { display:block; width:24px; height:2px; background:var(--white); border-radius:2px; }

/* ── HERO ── */
.hero { position:relative; min-height:100vh; display:flex; flex-direction:column; justify-content:center; overflow:hidden; }
.hero-bg-img { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; object-position:center; }
.hero-overlay { position:absolute; inset:0; background:linear-gradient(135deg,rgba(26,37,47,.92) 0%,rgba(44,62,80,.78) 55%,rgba(230,126,34,.12) 100%); }
.hero-content { position:relative; z-index:2; width:100%; display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:center; padding:140px 24px 80px; }
.hero-text { max-width:560px; }
.hero-tag { display:inline-block; background:rgba(230,126,34,.2); border:1px solid rgba(230,126,34,.4); color:var(--a); padding:6px 16px; border-radius:20px; font-size:.8rem; font-weight:700; letter-spacing:2px; text-transform:uppercase; margin-bottom:24px; }
.hero-content h1 { font-size:clamp(2rem,4.5vw,3.2rem); font-weight:900; color:var(--white); line-height:1.15; margin-bottom:20px; letter-spacing:-.5px; }
.hero-content h1 span { color:var(--a); }
.hero-sub { font-size:1.05rem; color:rgba(255,255,255,.8); margin-bottom:36px; line-height:1.65; }
.hero-ctas { display:flex; gap:16px; flex-wrap:wrap; }

/* imagen hero */
.hero-img-wrap { position:relative; border-radius:20px; overflow:visible; display:flex; justify-content:center; }
.hero-img { width:100%; max-width:520px; height:400px; object-fit:cover; border-radius:20px; box-shadow:0 24px 64px rgba(0,0,0,.45); border:2px solid rgba(230,126,34,.25); }
.hero-img-badge { position:absolute; bottom:-18px; left:24px; background:var(--a); color:var(--white); border-radius:14px; padding:14px 20px; display:flex; align-items:center; gap:12px; box-shadow:0 8px 28px rgba(230,126,34,.4); }
.hero-img-badge i { font-size:1.4rem; }
.hero-img-badge span { font-size:.82rem; line-height:1.3; }
.hero-img-badge strong { display:block; font-size:1rem; }

/* métricas */
.hero-metrics { position:relative; z-index:2; display:grid; grid-template-columns:repeat(4,1fr); border-top:1px solid rgba(255,255,255,.12); background:rgba(26,37,47,.75); backdrop-filter:blur(8px); }
.metric { padding:28px 20px; text-align:center; border-right:1px solid rgba(255,255,255,.1); }
.metric:last-child { border-right:none; }
.metric-num { font-size:2.4rem; font-weight:900; color:var(--a); }
.metric-plus { font-size:1.4rem; font-weight:700; color:var(--a); }
.metric p { font-size:.82rem; color:rgba(255,255,255,.65); margin-top:4px; letter-spacing:.5px; }

/* ── SECTION BASE ── */
.section-header { text-align:center; max-width:600px; margin:0 auto 56px; }
.section-tag { display:inline-block; color:var(--a); font-size:.78rem; font-weight:800; letter-spacing:3px; text-transform:uppercase; margin-bottom:12px; }
.section-header h2 { font-size:clamp(1.6rem,3vw,2.3rem); font-weight:800; color:var(--p); margin-bottom:14px; }
.section-header p { color:var(--gray); font-size:1rem; }

/* ── SERVICIOS ── */
.servicios { padding:96px 0; background:var(--white); }
.servicios-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:28px; }
.servicio-card { padding:36px 32px; border-radius:var(--radius); background:var(--light); border:1px solid var(--mid); transition:box-shadow var(--trans),transform var(--trans); opacity:0; transform:translateY(20px); }
.servicio-card.visible { opacity:1; transform:none; transition:opacity .5s,transform .5s; }
.servicio-card:hover { box-shadow:var(--shadow); transform:translateY(-4px); }
.servicio-icon { width:54px; height:54px; background:linear-gradient(135deg,var(--p),var(--a)); border-radius:12px; display:flex; align-items:center; justify-content:center; margin-bottom:20px; }
.servicio-icon i { font-size:1.4rem; color:var(--white); }
.servicio-card h3 { font-size:1.1rem; font-weight:700; color:var(--p); margin-bottom:10px; }
.servicio-card p  { font-size:.93rem; color:var(--gray); line-height:1.65; margin-bottom:18px; }
.card-link { font-size:.88rem; font-weight:700; color:var(--a); display:flex; align-items:center; gap:6px; }
.card-link:hover { color:var(--a2); }

/* ── NOSOTROS ── */
.nosotros { padding:96px 0; background:var(--light); }
.nosotros-inner { display:grid; grid-template-columns:1fr 1fr; gap:72px; align-items:center; }
.nosotros-img { position:relative; border-radius:16px; overflow:hidden; box-shadow:var(--shadow); }
.nosotros-img img { width:100%; height:480px; object-fit:cover; }
.nosotros-badge { position:absolute; bottom:24px; left:24px; background:var(--p); border-radius:12px; padding:16px 20px; display:flex; align-items:center; gap:12px; box-shadow:0 8px 32px rgba(0,0,0,.3); }
.badge-num { font-size:2rem; font-weight:900; color:var(--a); line-height:1; }
.badge-text { font-size:.78rem; color:rgba(255,255,255,.8); line-height:1.4; }
.nosotros-content .section-tag { display:block; text-align:left; margin-bottom:10px; }
.nosotros-content h2 { font-size:clamp(1.5rem,2.5vw,2rem); font-weight:800; color:var(--p); margin-bottom:16px; }
.nosotros-content > p { color:var(--gray); margin-bottom:32px; font-size:.98rem; line-height:1.7; }
.difs-list { display:flex; flex-direction:column; gap:20px; }
.dif-item { display:flex; gap:16px; align-items:flex-start; }
.dif-icon { width:36px; height:36px; background:rgba(230,126,34,.12); border-radius:50%; display:flex; align-items:center; justify-content:center; flex-shrink:0; margin-top:2px; }
.dif-icon i { color:var(--a); font-size:.95rem; }
.dif-item h4 { font-size:.95rem; font-weight:700; color:var(--p); margin-bottom:4px; }
.dif-item p  { font-size:.88rem; color:var(--gray); line-height:1.5; }

/* ── SECTORES ── */
.sectores { padding:96px 0; background:var(--white); }
.sectores-grid { display:grid; grid-template-columns:repeat(5,1fr); gap:20px; }
.sector-item { display:flex; flex-direction:column; align-items:center; gap:12px; padding:28px 16px; border-radius:var(--radius); background:var(--light); border:1px solid var(--mid); transition:background var(--trans),border-color var(--trans); }
.sector-item:hover { background:var(--p); border-color:var(--p); }
.sector-item:hover i, .sector-item:hover span { color:var(--white); }
.sector-item i { font-size:1.6rem; color:var(--a); transition:color var(--trans); }
.sector-item span { font-size:.82rem; font-weight:600; color:var(--p); text-align:center; transition:color var(--trans); }

/* ── PROCESO ── */
.proceso { padding:96px 0; background:var(--p2); }
.proceso .section-header.light h2 { color:var(--white); }
.proceso .section-header.light p  { color:rgba(255,255,255,.65); }
.proceso-steps { display:flex; align-items:flex-start; gap:0; justify-content:center; flex-wrap:wrap; }
.step { flex:1; min-width:180px; max-width:240px; text-align:center; padding:0 20px; }
.step-num { font-size:3rem; font-weight:900; color:rgba(230,126,34,.18); line-height:1; margin-bottom:8px; }
.step-icon { width:56px; height:56px; background:rgba(230,126,34,.15); border:1px solid rgba(230,126,34,.3); border-radius:14px; display:flex; align-items:center; justify-content:center; margin:0 auto 16px; }
.step-icon i { font-size:1.3rem; color:var(--a); }
.step h4 { font-size:.95rem; font-weight:700; color:var(--white); margin-bottom:8px; }
.step p  { font-size:.84rem; color:rgba(255,255,255,.6); line-height:1.55; }
.step-arrow { padding-top:80px; color:rgba(230,126,34,.4); font-size:1.1rem; align-self:flex-start; }

/* ── CONTACTO ── */
.contacto { padding:96px 0; background:var(--light); }
.contacto-inner { display:grid; grid-template-columns:1fr 1.2fr; gap:72px; align-items:start; }
.contacto-text .section-tag { display:block; text-align:left; margin-bottom:10px; }
.contacto-text h2 { font-size:clamp(1.4rem,2.5vw,2rem); font-weight:800; color:var(--p); margin-bottom:16px; }
.contacto-text p  { color:var(--gray); margin-bottom:28px; font-size:.98rem; line-height:1.7; }
.contacto-info { list-style:none; display:flex; flex-direction:column; gap:12px; }
.contacto-info li { display:flex; align-items:center; gap:12px; font-size:.93rem; color:var(--gray); }
.contacto-info i { color:var(--a); width:18px; }
.contacto-form { background:var(--white); border-radius:16px; padding:40px; box-shadow:var(--shadow); }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.form-group { display:flex; flex-direction:column; gap:6px; margin-bottom:16px; }
.form-group label { font-size:.83rem; font-weight:700; color:var(--p); letter-spacing:.3px; }
.form-group input, .form-group select, .form-group textarea { border:1.5px solid var(--mid); border-radius:8px; padding:11px 14px; font-size:.93rem; font-family:inherit; color:var(--text); background:var(--light); transition:border-color var(--trans); outline:none; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color:var(--a); background:var(--white); }
.form-group textarea { resize:vertical; }
.form-success { display:none; text-align:center; padding:14px; margin-top:16px; background:rgba(230,126,34,.1); border:1px solid rgba(230,126,34,.3); border-radius:8px; color:var(--a2); font-weight:600; font-size:.92rem; }
.form-success.show { display:block; }

/* ── FOOTER ── */
.footer { background:var(--p2); padding:60px 0 0; }
.footer-inner { display:grid; grid-template-columns:2fr 1fr 1fr; gap:48px; padding-bottom:40px; }
.footer-brand img { height:40px; margin-bottom:16px; }
.footer-brand p { font-size:.88rem; color:rgba(255,255,255,.55); line-height:1.65; max-width:280px; }
.footer-links h5 { font-size:.82rem; font-weight:700; color:rgba(255,255,255,.45); letter-spacing:2px; text-transform:uppercase; margin-bottom:16px; }
.footer-links a { display:block; font-size:.88rem; color:rgba(255,255,255,.65); margin-bottom:10px; transition:color var(--trans); }
.footer-links a:hover { color:var(--a); }
.footer-bottom { border-top:1px solid rgba(255,255,255,.08); padding:20px 0; text-align:center; }
.footer-bottom p { font-size:.82rem; color:rgba(255,255,255,.35); }

/* ── RESPONSIVE ── */
@media (max-width:900px) {
  .hero-content   { grid-template-columns:1fr; }
  .hero-img-wrap  { display:none; }
  .servicios-grid { grid-template-columns:1fr; }
  .nosotros-inner { grid-template-columns:1fr; }
  .contacto-inner { grid-template-columns:1fr; }
  .footer-inner   { grid-template-columns:1fr 1fr; }
  .sectores-grid  { grid-template-columns:repeat(3,1fr); }
  .hero-metrics   { grid-template-columns:repeat(2,1fr); }
  .proceso-steps  { flex-direction:column; align-items:center; }
  .step-arrow     { transform:rotate(90deg); padding:0; }
}
@media (max-width:600px) {
  .nav { display:none; flex-direction:column; position:absolute; top:72px; left:0; right:0; background:var(--p2); padding:24px; gap:20px; }
  .nav.open { display:flex; }
  .hamburger { display:flex; }
  .form-row { grid-template-columns:1fr; }
  .footer-inner { grid-template-columns:1fr; }
  .sectores-grid { grid-template-columns:repeat(2,1fr); }
  .hero-metrics { grid-template-columns:repeat(2,1fr); }
}