/* ============================================================
   IDEAS CONSTRUCTIVAS — Estilos Globales compartidos
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --negro: #1a1a1a;
  --oro: #f5c518;
  --oro2: #c8a96e;
  --oro3: #c8a04a;
  --naranja: #e8791e;
  --blanco: #ffffff;
  --gris1: #f5f5f5;
  --texto: #333333;
}

html { scroll-behavior: smooth; }
body { font-family: 'Open Sans', sans-serif; color: var(--texto); background: #fff; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ── Topbar ── */
.topbar { background: #000; color: #fff; font-size: 12px; padding: 6px 0; }
.topbar .inner { max-width: 1200px; margin: 0 auto; padding: 0 20px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 6px; }
.topbar .social a { color: #fff; margin-right: 10px; font-size: 14px; }
.topbar .phone { color: var(--oro); font-weight: 600; }

/* ── Navbar ── */
.navbar { background: var(--negro); position: sticky; top: 0; z-index: 1000; box-shadow: 0 2px 8px rgba(0,0,0,.4); }
.navbar .inner { max-width: 1200px; margin: 0 auto; padding: 0 20px; display: flex; justify-content: space-between; align-items: center; height: 70px; }
.navbar .logo .placeholder-logo { height: 48px; width: 160px; background: #333; display: flex; align-items: center; justify-content: center; color: var(--oro); font-size: 11px; font-family: 'Oswald', sans-serif; letter-spacing: 1px; }
.nav-links { display: flex; gap: 4px; align-items: center; }
.nav-links a { color: #fff; font-size: 13px; font-family: 'Montserrat', sans-serif; font-weight: 600; text-transform: uppercase; letter-spacing: .8px; padding: 8px 12px; transition: color .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--oro); }
.nav-links .btn-nav { background: var(--oro); color: var(--negro); border-radius: 3px; }
.nav-links .btn-nav:hover { background: #d4a800; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.hamburger span { display: block; width: 24px; height: 2px; background: #fff; }
.mobile-menu { display: none; flex-direction: column; background: var(--negro); padding: 16px 20px; }
.mobile-menu a { color: #fff; font-family: 'Montserrat', sans-serif; font-size: 14px; font-weight: 600; text-transform: uppercase; padding: 10px 0; border-bottom: 1px solid #333; }
.mobile-menu a:hover { color: var(--oro); }
.mobile-menu.open { display: flex; }

/* ── Hero ── */
.hero { position: relative; min-height: 380px; display: flex; align-items: center; justify-content: center; text-align: center; overflow: hidden; background: var(--negro); }
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; background-color: #2a2a2a; }
.hero-bg::after { content: ''; position: absolute; inset: 0; background: rgba(0,0,0,.55); }
.hero-content { position: relative; z-index: 1; color: #fff; padding: 60px 20px; }
.hero-content h1 { font-family: 'Oswald', sans-serif; font-size: clamp(28px,5vw,52px); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 14px; }
.hero-content .gold-bar { width: 60px; height: 4px; background: var(--oro); margin: 0 auto 16px; }
.hero-content p { font-size: 16px; max-width: 600px; margin: 0 auto; opacity: .9; line-height: 1.7; }

/* ── Gold strip ── */
.gold-strip { height: 6px; background: linear-gradient(90deg, var(--oro) 0%, var(--oro3) 100%); }

/* ── Sections ── */
.section { padding: 70px 20px; }
.section-inner { max-width: 1200px; margin: 0 auto; }
.section-title { font-family: 'Oswald', sans-serif; font-size: clamp(22px,3vw,36px); text-transform: uppercase; letter-spacing: 1.5px; color: var(--negro); margin-bottom: 10px; }
.section-title.white { color: #fff; }
.underline-gold { width: 50px; height: 4px; background: var(--oro); margin-bottom: 30px; }

/* ── Buttons ── */
.btn { display: inline-block; padding: 12px 28px; font-family: 'Montserrat', sans-serif; font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; border-radius: 3px; transition: .2s; cursor: pointer; border: none; }
.btn-gold { background: var(--oro); color: var(--negro); }
.btn-gold:hover { background: #d4a800; }
.btn-dark { background: var(--negro); color: #fff; }
.btn-dark:hover { background: #333; }
.btn-outline { background: transparent; border: 2px solid var(--oro); color: var(--oro); }
.btn-outline:hover { background: var(--oro); color: var(--negro); }

/* ── Cards ── */
.card { background: #fff; border-radius: 4px; overflow: hidden; box-shadow: 0 2px 12px rgba(0,0,0,.08); transition: transform .2s, box-shadow .2s; }
.card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,.14); }
.card-img-wrap { width: 100%; height: 220px; overflow: hidden; }
.card-img-wrap img { width: 100%; height: 100%; object-fit: cover; }
.card-body { padding: 20px; }
.card-title { font-family: 'Oswald', sans-serif; font-size: 18px; text-transform: uppercase; margin-bottom: 8px; color: var(--negro); }
.card-text { font-size: 14px; line-height: 1.7; color: #555; }

/* ── Grids ── */
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px; }
@media(max-width:900px){.grid-3{grid-template-columns:repeat(2,1fr);}}
@media(max-width:600px){.grid-3,.grid-2{grid-template-columns:1fr;}}

/* ── Forms ── */
.form-wrap { background: #fff; border-radius: 4px; box-shadow: 0 2px 20px rgba(0,0,0,.1); padding: 40px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; font-family: 'Montserrat', sans-serif; text-transform: uppercase; letter-spacing: .5px; margin-bottom: 6px; color: var(--negro); }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 11px 14px; border: 1px solid #ddd; border-radius: 3px; font-size: 14px; font-family: 'Open Sans', sans-serif; color: var(--texto); transition: border .2s; background: #fafafa; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--oro); background: #fff; }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media(max-width:600px){.form-grid-2{grid-template-columns:1fr;}}
.form-msg { display: none; padding: 14px 20px; border-radius: 3px; margin-top: 16px; font-size: 14px; font-weight: 600; }
.form-msg.success { background: #e8f5e9; color: #2e7d32; border: 1px solid #a5d6a7; }
.form-msg.error { background: #ffebee; color: #c62828; border: 1px solid #ef9a9a; }
@keyframes spin { to { transform: rotate(360deg); } }
.btn-spinner { display: inline-block; width: 16px; height: 16px; border: 2px solid rgba(0,0,0,.3); border-top-color: var(--negro); border-radius: 50%; animation: spin .7s linear infinite; vertical-align: middle; margin-left: 8px; }

/* ── Image placeholders ── */
.img-placeholder { background: #e8e8e8; display: flex; flex-direction: column; align-items: center; justify-content: center; color: #999; font-size: 11px; font-family: monospace; text-align: center; padding: 10px; border: 2px dashed #ccc; gap: 4px; }
.img-placeholder .icon { font-size: 24px; }

/* ── Footer ── */
footer { background: var(--negro); color: #ccc; padding: 50px 20px 0; }
footer .footer-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
footer h4 { font-family: 'Oswald', sans-serif; font-size: 16px; text-transform: uppercase; letter-spacing: 1px; color: var(--oro); margin-bottom: 16px; }
footer p, footer a { font-size: 13px; line-height: 1.9; color: #aaa; }
footer a:hover { color: var(--oro); }
footer ul li { margin-bottom: 6px; }
.footer-bottom { border-top: 1px solid #333; text-align: center; padding: 16px 20px; font-size: 12px; color: #666; }
@media(max-width:900px){footer .footer-inner{grid-template-columns:1fr 1fr;}}
@media(max-width:600px){footer .footer-inner{grid-template-columns:1fr;} .hamburger{display:flex;} .nav-links{display:none;}}

/* ── WhatsApp ── */
.whatsapp-btn { position: fixed; bottom: 24px; right: 24px; z-index: 9999; background: #25d366; color: #fff; width: 56px; height: 56px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 26px; box-shadow: 0 4px 16px rgba(0,0,0,.25); transition: transform .2s; }
.whatsapp-btn:hover { transform: scale(1.1); }

/* ── Stats ── */
.stats-strip { background: var(--negro); color: #fff; padding: 40px 20px; }
.stats-strip .inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; text-align: center; }
.stat-num { font-family: 'Oswald', sans-serif; font-size: 42px; color: var(--oro); line-height: 1; }
.stat-label { font-size: 13px; color: #ccc; margin-top: 6px; text-transform: uppercase; letter-spacing: .8px; }
@media(max-width:700px){.stats-strip .inner{grid-template-columns:repeat(2,1fr);}}

/* ── Utils ── */
.text-center{text-align:center;} .text-gold{color:var(--oro);} .bg-dark{background:var(--negro);} .bg-light{background:var(--gris1);}
.mt-10{margin-top:10px;} .mt-20{margin-top:20px;} .mt-30{margin-top:30px;}
.mb-10{margin-bottom:10px;} .mb-20{margin-bottom:20px;} .mb-30{margin-bottom:30px;}