/* ============================================================
   CEACIA54 — Centro de Entrenamiento Aeronáutico
   Versión: 2.0 | Desarrollado por a1tecno
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;600;700;800&family=Inter+Tight:ital,wght@0,300;0,400;0,500;0,600;1,300&display=swap');

/* ── VARIABLES ───────────────────────────────────────────── */
:root {
  --navy:       #0a0f1e;
  --navy-mid:   #0d1a35;
  --navy-light: #112244;
  --sky:        #1a6fc4;
  --sky-bright: #2388e8;
  --sky-glow:   #4aa8ff;
  --silver:     #c8d8e8;
  --white:      #f5f8fc;
  --muted:      #8fa3bb;
  --accent:     #e8a020;
  --accent-dim: #b07818;
  --danger:     #c0392b;
  --success:    #27ae60;

  --font-display: 'Barlow Condensed', sans-serif;
  --font-body:    'Inter Tight', sans-serif;

  --nav-h: 70px;
  --radius: 6px;
  --radius-lg: 12px;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

/* ── RESET ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--navy);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }

/* ── ANTI-CLONACIÓN & SEGURIDAD VISUAL ───────────────────── */
::selection {
  background: rgba(26,111,196,0.35);
  color: var(--white);
}
img {
  -webkit-user-drag: none;
  user-drag: none;
  pointer-events: none;
}
.no-select {
  -webkit-user-select: none;
  user-select: none;
}

/* ── SCROLLBAR ───────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--navy); }
::-webkit-scrollbar-thumb { background: var(--sky); border-radius: 3px; }

/* ── LOADER ──────────────────────────────────────────────── */
#loader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--navy);
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 1.5rem;
  transition: opacity 0.5s var(--ease-out), visibility 0.5s;
}
#loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-logo { width: 72px; animation: loader-pulse 1.2s ease-in-out infinite; }
.loader-bar {
  width: 180px; height: 2px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px; overflow: hidden;
}
.loader-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--sky), var(--sky-glow));
  width: 0%;
  animation: loader-fill 1.6s var(--ease-out) forwards;
}
@keyframes loader-pulse { 0%,100% { opacity:0.6; transform:scale(1); } 50% { opacity:1; transform:scale(1.05); } }
@keyframes loader-fill { to { width: 100%; } }

/* ── NAVBAR ──────────────────────────────────────────────── */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
  transition: background 0.4s, backdrop-filter 0.4s, box-shadow 0.4s;
}
#navbar.scrolled {
  background: rgba(10,15,30,0.92);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  box-shadow: 0 1px 0 rgba(26,111,196,0.25);
}
.nav-inner {
  width: 100%; max-width: 1280px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo img { height: 42px; width: auto; pointer-events: none; }
.nav-brand {
  font-family: var(--font-display);
  font-size: 1.1rem; font-weight: 700; letter-spacing: 0.06em;
  color: var(--white);
  line-height: 1.2;
}
.nav-brand span { display: block; font-size: 0.65rem; font-weight: 400; color: var(--muted); letter-spacing: 0.1em; }
.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-links a {
  font-size: 0.8rem; font-weight: 500; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--silver);
  position: relative; padding: 4px 0;
  transition: color 0.25s;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 0; height: 1px; background: var(--sky-bright);
  transition: width 0.3s var(--ease-out);
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  background: var(--sky);
  color: var(--white) !important;
  padding: 8px 20px !important;
  border-radius: var(--radius);
  font-weight: 600 !important;
  transition: background 0.25s, transform 0.2s !important;
}
.nav-cta:hover { background: var(--sky-bright) !important; transform: translateY(-1px); }
.nav-cta::after { display: none !important; }
.nav-burger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; padding: 4px;
}
.nav-burger span {
  display: block; width: 24px; height: 2px;
  background: var(--white); border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav-mobile {
  flex-direction: column;
  position: fixed; top: var(--nav-h); left: 0; right: 0;
  background: rgba(6,10,22,0.98);
  backdrop-filter: blur(24px) saturate(1.6);
  -webkit-backdrop-filter: blur(24px) saturate(1.6);
  padding: 0.5rem 0 1.5rem;
  border-bottom: 1px solid rgba(26,111,196,0.2);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
  transform: translateY(-8px); opacity: 0;
  visibility: hidden;
  transition: transform 0.3s var(--ease-out), opacity 0.3s, visibility 0.3s;
  pointer-events: none;
  z-index: 200;
  display: flex;
}
.nav-mobile.open {
  transform: translateY(0); opacity: 1;
  visibility: visible; pointer-events: all;
}
.nav-mobile a {
  font-size: 1rem; font-weight: 500; color: var(--silver);
  padding: 1rem 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  display: flex; align-items: center; gap: 10px;
  transition: color 0.2s, background 0.2s, padding-left 0.2s;
}
.nav-mobile a:hover,
.nav-mobile a:active { color: var(--sky-glow); background: rgba(26,111,196,0.08); padding-left: 2.5rem; }
.nav-mobile a:last-child {
  margin: 1rem 1.5rem 0; border: none; border-radius: var(--radius);
  background: var(--sky); color: white; justify-content: center;
  font-weight: 700; padding: 0.9rem; font-family: var(--font-display);
  letter-spacing: 0.08em; text-transform: uppercase; font-size: 0.9rem;
}
.nav-mobile a:last-child:hover { background: var(--sky-bright); padding-left: 1.5rem; }

/* ── HERO ─────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  position: relative;
  display: flex; align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 40%, rgba(26,111,196,0.15) 0%, transparent 70%),
    radial-gradient(ellipse 50% 50% at 20% 80%, rgba(10,40,80,0.4) 0%, transparent 60%),
    linear-gradient(160deg, #060c1a 0%, #0a1428 40%, #0d1a35 100%);
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(26,111,196,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26,111,196,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: linear-gradient(to bottom, transparent 0%, black 20%, black 80%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 20%, black 80%, transparent 100%);
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: orb-float 8s ease-in-out infinite;
}
.hero-orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(26,111,196,0.2) 0%, transparent 70%);
  top: -100px; right: -100px;
  animation-delay: 0s;
}
.hero-orb-2 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(232,160,32,0.08) 0%, transparent 70%);
  bottom: 100px; left: 5%;
  animation-delay: -4s;
}
@keyframes orb-float {
  0%,100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}
.hero-content {
  position: relative; z-index: 2;
  width: 100%; max-width: 1280px;
  margin: 0 auto;
  padding: calc(var(--nav-h) + 4rem) clamp(1.5rem,5vw,4rem) 4rem;
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--sky-glow);
  margin-bottom: 1.25rem;
}
.hero-eyebrow::before {
  content: ''; display: block; width: 28px; height: 1px; background: var(--sky-glow);
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5.5rem);
  font-weight: 800; line-height: 0.95;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.hero-title .line { display: block; overflow: hidden; }
.hero-title .line span { display: block; animation: slide-up 0.8s var(--ease-out) forwards; opacity: 0; }
.hero-title .line:nth-child(1) span { animation-delay: 0.1s; }
.hero-title .line:nth-child(2) span { animation-delay: 0.2s; }
.hero-title .line:nth-child(3) span { animation-delay: 0.3s; color: var(--sky-glow); }
@keyframes slide-up { from { transform: translateY(100%); opacity:0; } to { transform: translateY(0); opacity:1; } }
.hero-sub {
  font-size: 1rem; font-weight: 300; color: var(--silver);
  max-width: 480px; margin-bottom: 2.5rem; line-height: 1.75;
  opacity: 0; animation: fade-in 0.8s 0.6s var(--ease-out) forwards;
}
.hero-actions {
  display: flex; gap: 1rem; flex-wrap: wrap;
  opacity: 0; animation: fade-in 0.8s 0.8s var(--ease-out) forwards;
}
@keyframes fade-in { to { opacity: 1; } }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-display);
  font-size: 0.85rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; padding: 14px 28px;
  border-radius: var(--radius); border: none;
  transition: transform 0.2s var(--ease-out), box-shadow 0.2s, background 0.25s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--sky);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(26,111,196,0.35);
}
.btn-primary:hover {
  background: var(--sky-bright);
  box-shadow: 0 8px 30px rgba(35,136,232,0.45);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.2);
}
.btn-outline:hover { border-color: var(--sky-bright); color: var(--sky-glow); }
.btn-icon { font-size: 1rem; }
.hero-visual {
  position: relative;
  opacity: 0; animation: fade-in 1s 0.4s var(--ease-out) forwards;
}
.hero-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(26,111,196,0.25);
  border-radius: var(--radius-lg);
  padding: 2rem;
  backdrop-filter: blur(8px);
}
.hero-card-title {
  font-family: var(--font-display); font-size: 0.8rem; font-weight: 600;
  letter-spacing: 0.15em; text-transform: uppercase; color: var(--sky-glow);
  margin-bottom: 1.5rem;
}
.hero-stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1.5rem; }
.hero-stat {
  background: rgba(26,111,196,0.08);
  border: 1px solid rgba(26,111,196,0.15);
  border-radius: var(--radius);
  padding: 1rem;
}
.hero-stat-num {
  font-family: var(--font-display); font-size: 2rem; font-weight: 800;
  color: var(--sky-glow); line-height: 1;
}
.hero-stat-label { font-size: 0.72rem; color: var(--muted); margin-top: 4px; line-height: 1.3; }
.hero-badge {
  display: flex; align-items: center; gap: 10px;
  background: rgba(232,160,32,0.1);
  border: 1px solid rgba(232,160,32,0.25);
  border-radius: var(--radius); padding: 0.8rem 1rem;
}
.hero-badge-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
  flex-shrink: 0;
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%,100% { box-shadow: 0 0 0 0 rgba(232,160,32,0.4); }
  50% { box-shadow: 0 0 0 6px rgba(232,160,32,0); }
}
.hero-badge-text { font-size: 0.8rem; color: var(--accent); font-weight: 500; }
.hero-scroll {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  font-size: 0.65rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--muted);
  animation: fade-in 1s 1.2s both;
}
.hero-scroll-line {
  width: 1px; height: 48px; background: linear-gradient(to bottom, var(--sky), transparent);
  animation: scroll-line 2s ease-in-out infinite;
}
@keyframes scroll-line { 0%,100% { transform: scaleY(1); opacity:1; } 50% { transform: scaleY(0.5); opacity:0.4; } }

/* ── SECTIONS ─────────────────────────────────────────────── */
.section { padding: clamp(4rem,8vw,7rem) clamp(1.5rem,5vw,4rem); }
.section-inner { max-width: 1280px; margin: 0 auto; }
.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--sky-glow);
  margin-bottom: 0.75rem;
}
.section-label::before { content:''; display:block; width:20px; height:1px; background:var(--sky-glow); }
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800; text-transform: uppercase; line-height: 1.05;
  margin-bottom: 1rem;
}
.section-sub {
  font-size: 0.95rem; color: var(--silver); max-width: 560px; line-height: 1.75;
}
.divider {
  width: 100%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(26,111,196,0.3), transparent);
}

/* ── CERTIFY STRIP ────────────────────────────────────────── */
.certify-strip {
  background: linear-gradient(90deg, var(--navy-mid), var(--navy-light), var(--navy-mid));
  border-top: 1px solid rgba(26,111,196,0.15);
  border-bottom: 1px solid rgba(26,111,196,0.15);
  padding: 1.5rem clamp(1.5rem,5vw,4rem);
  overflow: hidden;
}
.certify-inner { max-width: 1280px; margin:0 auto; display:flex; gap:3rem; flex-wrap:wrap; align-items:center; justify-content:center; }
.certify-item { display:flex; align-items:center; gap:10px; }
.certify-icon { font-size:1.4rem; color:var(--sky-glow); }
.certify-text { font-size:0.82rem; color:var(--silver); font-weight:500; }
.certify-text strong { color:var(--white); display:block; font-size:0.9rem; }

/* ── ACERCA ───────────────────────────────────────────────── */
.about-grid { display:grid; grid-template-columns:1fr 1fr; gap:5rem; align-items:center; }
.about-img-wrap {
  position:relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.about-img-wrap::before {
  content: '';
  position: absolute; inset: 0; z-index: 2;
  background: linear-gradient(to right, var(--navy-mid) 0%, transparent 30%),
              linear-gradient(to top, var(--navy-mid) 0%, transparent 30%);
}
.about-img-wrap img { width:100%; aspect-ratio:4/3; object-fit:cover; }
.about-corner {
  position: absolute; top:1.5rem; right:1.5rem; z-index:3;
  background: rgba(26,111,196,0.15);
  border: 1px solid rgba(26,111,196,0.3);
  border-radius: var(--radius); padding:0.6rem 1rem;
  font-family:var(--font-display); font-size:0.72rem; font-weight:700;
  letter-spacing:0.1em; text-transform:uppercase; color:var(--sky-glow);
}
.about-text p { font-size:0.95rem; color:var(--silver); line-height:1.8; margin-bottom:1rem; }
.about-features { display:grid; grid-template-columns:1fr 1fr; gap:0.75rem; margin-top:1.75rem; }
.feat-item {
  display:flex; align-items:flex-start; gap:10px;
  background: rgba(26,111,196,0.05);
  border:1px solid rgba(26,111,196,0.12);
  border-radius:var(--radius); padding:0.85rem;
}
.feat-icon { font-size:1.1rem; color:var(--sky-glow); flex-shrink:0; margin-top:1px; }
.feat-text { font-size:0.8rem; color:var(--silver); line-height:1.5; }
.feat-text strong { display:block; color:var(--white); font-size:0.85rem; margin-bottom:2px; }

/* ── CURSOS ───────────────────────────────────────────────── */
.courses-section { background: var(--navy-mid); }
.courses-header { display:flex; justify-content:space-between; align-items:flex-end; gap:2rem; margin-bottom:3rem; flex-wrap:wrap; }
.tabs { display:flex; gap:0.5rem; flex-wrap:wrap; }
.tab-btn {
  font-family:var(--font-display); font-size:0.78rem; font-weight:700;
  letter-spacing:0.1em; text-transform:uppercase;
  padding:8px 18px; border-radius:var(--radius);
  border:1px solid rgba(255,255,255,0.1);
  background:transparent; color:var(--muted);
  transition:all 0.25s;
}
.tab-btn:hover { border-color:var(--sky); color:var(--sky-glow); }
.tab-btn.active { background:var(--sky); border-color:var(--sky); color:var(--white); }
.courses-grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(300px,1fr)); gap:1.25rem; }
.course-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(26,111,196,0.15);
  border-radius:var(--radius-lg); padding:1.75rem;
  transition: transform 0.3s var(--ease-out), border-color 0.3s, box-shadow 0.3s;
  cursor:pointer; position:relative; overflow:hidden;
}
.course-card::before {
  content:''; position:absolute; top:0; left:0; right:0; height:2px;
  background: linear-gradient(90deg, var(--sky), var(--sky-glow));
  transform:scaleX(0); transform-origin:left; transition:transform 0.3s var(--ease-out);
}
.course-card:hover { transform:translateY(-4px); border-color:rgba(26,111,196,0.35); box-shadow:0 12px 40px rgba(0,0,0,0.3); }
.course-card:hover::before { transform:scaleX(1); }
.course-type {
  font-size:0.68rem; font-weight:700; letter-spacing:0.14em; text-transform:uppercase;
  color:var(--sky-glow); margin-bottom:0.75rem;
}
.course-title { font-family:var(--font-display); font-size:1.3rem; font-weight:700; line-height:1.2; margin-bottom:0.75rem; }
.course-desc { font-size:0.82rem; color:var(--muted); line-height:1.6; margin-bottom:1.25rem; }
.course-meta { display:flex; gap:1rem; flex-wrap:wrap; }
.course-tag {
  display:inline-flex; align-items:center; gap:5px;
  font-size:0.72rem; color:var(--silver);
}
.course-tag svg { width:13px; height:13px; color:var(--sky); flex-shrink:0; }
.course-card[data-cat="tma"] { display:none; }
.course-card[data-cat="tma"].visible { display:block; }
.course-card[data-cat="pilotos"] {}
.showing-tma .course-card[data-cat="pilotos"] { display:none; }
.showing-tma .course-card[data-cat="tma"] { display:block; }
.showing-all .course-card { display:block !important; }

/* ── TESTIMONIOS ─────────────────────────────────────────── */
.testi-grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(280px,1fr)); gap:1.5rem; margin-top:3rem; }
.testi-card {
  background: rgba(255,255,255,0.03);
  border:1px solid rgba(26,111,196,0.12);
  border-radius:var(--radius-lg); padding:1.75rem;
  position:relative;
}
.testi-stars { display:flex; gap:3px; margin-bottom:1rem; }
.testi-star { width:14px; height:14px; color:var(--accent); fill:var(--accent); }
.testi-text { font-size:0.88rem; color:var(--silver); line-height:1.75; margin-bottom:1.5rem; font-style:italic; }
.testi-author { display:flex; align-items:center; gap:10px; }
.testi-avatar {
  width:40px; height:40px; border-radius:50%;
  background:var(--sky); display:flex; align-items:center; justify-content:center;
  font-family:var(--font-display); font-weight:700; font-size:0.9rem; color:var(--white);
  flex-shrink:0;
}
.testi-name { font-size:0.85rem; font-weight:600; }
.testi-course { font-size:0.75rem; color:var(--muted); }

/* ── CONTACTO ─────────────────────────────────────────────── */
.contact-section { background: var(--navy-mid); }
.contact-grid { display:grid; grid-template-columns:1fr 1.2fr; gap:4rem; align-items:start; }
.contact-info h3 { font-family:var(--font-display); font-size:1.5rem; font-weight:700; margin-bottom:1rem; }
.contact-info p { font-size:0.9rem; color:var(--silver); line-height:1.75; margin-bottom:2rem; }
.contact-items { display:flex; flex-direction:column; gap:1rem; }
.contact-item { display:flex; align-items:flex-start; gap:12px; }
.contact-item-icon {
  width:40px; height:40px; flex-shrink:0;
  background:rgba(26,111,196,0.1);
  border:1px solid rgba(26,111,196,0.2);
  border-radius:var(--radius); display:flex; align-items:center; justify-content:center;
  font-size:1.1rem; color:var(--sky-glow);
}
.contact-item-text { font-size:0.85rem; color:var(--silver); line-height:1.6; }
.contact-item-text strong { display:block; color:var(--white); font-size:0.9rem; margin-bottom:2px; }
.social-row { display:flex; gap:0.75rem; margin-top:2rem; }
.social-btn {
  display:inline-flex; align-items:center; gap:8px;
  padding:10px 18px; border-radius:var(--radius);
  font-size:0.8rem; font-weight:600; transition:transform 0.2s, box-shadow 0.2s;
}
.social-btn:hover { transform:translateY(-2px); }
.social-ig { background:linear-gradient(135deg,#833ab4,#fd1d1d,#fcb045); color:#fff; }
.social-wa { background:#25d366; color:#fff; }

/* ── FORMULARIO ───────────────────────────────────────────── */
.form-wrap {
  background: rgba(255,255,255,0.03);
  border:1px solid rgba(26,111,196,0.2);
  border-radius:var(--radius-lg); padding:2.5rem;
}
.form-title { font-family:var(--font-display); font-size:1.2rem; font-weight:700; margin-bottom:1.75rem; }
.form-group { margin-bottom:1.25rem; }
.form-group label {
  display:block; font-size:0.78rem; font-weight:600;
  letter-spacing:0.08em; text-transform:uppercase; color:var(--muted);
  margin-bottom:0.5rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  width:100%; padding:12px 14px;
  background: rgba(255,255,255,0.05);
  border:1px solid rgba(255,255,255,0.1);
  border-radius:var(--radius);
  color:var(--white); font-family:var(--font-body); font-size:0.9rem;
  transition:border-color 0.25s, background 0.25s, box-shadow 0.25s;
  outline:none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color:rgba(255,255,255,0.25); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color:var(--sky); background:rgba(26,111,196,0.08);
  box-shadow:0 0 0 3px rgba(26,111,196,0.12);
}
.form-group select { cursor:pointer; }
.form-group select option { background:var(--navy-mid); color:var(--white); }
.form-group textarea { resize:vertical; min-height:110px; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:1rem; }
.form-honey { display:none !important; visibility:hidden !important; }
.form-check { display:flex; align-items:flex-start; gap:10px; margin-bottom:1.5rem; }
.form-check input[type=checkbox] { width:16px; height:16px; margin-top:3px; accent-color:var(--sky); cursor:pointer; }
.form-check label { font-size:0.78rem; color:var(--muted); line-height:1.5; cursor:pointer; }
.form-check label a { color:var(--sky-glow); text-decoration:underline; }
.form-submit { width:100%; }
.form-msg {
  display:none; padding:12px 16px;
  border-radius:var(--radius); font-size:0.85rem; margin-top:1rem; text-align:center;
}
.form-msg.success { display:block; background:rgba(39,174,96,0.1); border:1px solid rgba(39,174,96,0.3); color:#6fcf97; }
.form-msg.error { display:block; background:rgba(192,57,43,0.1); border:1px solid rgba(192,57,43,0.3); color:#eb5757; }

/* ── FOOTER ───────────────────────────────────────────────── */
footer {
  background: var(--navy);
  border-top:1px solid rgba(26,111,196,0.12);
  padding:3rem clamp(1.5rem,5vw,4rem) 1.5rem;
}
.footer-inner { max-width:1280px; margin:0 auto; }
.footer-top { display:grid; grid-template-columns:2fr 1fr 1fr; gap:3rem; margin-bottom:3rem; }
.footer-brand { }
.footer-brand img { height:48px; margin-bottom:1rem; }
.footer-brand p { font-size:0.82rem; color:var(--muted); line-height:1.7; max-width:320px; }
.footer-col h4 { font-family:var(--font-display); font-size:0.78rem; font-weight:700; letter-spacing:0.12em; text-transform:uppercase; color:var(--sky-glow); margin-bottom:1rem; }
.footer-col ul li { margin-bottom:0.5rem; }
.footer-col ul li a { font-size:0.82rem; color:var(--muted); transition:color 0.2s; }
.footer-col ul li a:hover { color:var(--white); }
.footer-bottom {
  border-top:1px solid rgba(255,255,255,0.05);
  padding-top:1.5rem;
  display:flex; justify-content:space-between; align-items:center;
  flex-wrap:wrap; gap:1rem;
}
.footer-copy { font-size:0.76rem; color:var(--muted); }
.footer-copy a { color:var(--sky-glow); }
.footer-legal { font-size:0.72rem; color:rgba(255,255,255,0.2); }

/* ── WHATSAPP FLOAT ───────────────────────────────────────── */
.wa-float {
  position:fixed; bottom:1.75rem; right:1.75rem; z-index:50;
  width:54px; height:54px; border-radius:50%;
  background:#25d366;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 4px 20px rgba(37,211,102,0.4);
  transition:transform 0.25s var(--ease-out), box-shadow 0.25s;
  animation: wa-appear 1s 2s both;
}
.wa-float:hover { transform:scale(1.1); box-shadow:0 8px 30px rgba(37,211,102,0.5); }
.wa-float svg { width:26px; height:26px; fill:#fff; }
@keyframes wa-appear { from { transform:scale(0); opacity:0; } to { transform:scale(1); opacity:1; } }

/* ── REVEAL ANIMATIONS ────────────────────────────────────── */
.reveal { opacity:0; transform:translateY(24px); transition:opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out); }
.reveal.visible { opacity:1; transform:none; }
.reveal-delay-1 { transition-delay:0.1s; }
.reveal-delay-2 { transition-delay:0.2s; }
.reveal-delay-3 { transition-delay:0.3s; }

/* ── RESPONSIVE ───────────────────────────────────────────── */
@media (max-width:1024px) {
  .hero-content { grid-template-columns:1fr; gap:3rem; }
  .hero-visual { max-width:500px; }
  .about-grid { grid-template-columns:1fr; gap:3rem; }
  .contact-grid { grid-template-columns:1fr; gap:3rem; }
  .footer-top { grid-template-columns:1fr 1fr; }
}
@media (max-width:768px) {
  .nav-links { display:none; }
  .nav-burger { display:flex; }
  .hero-title { font-size:clamp(2.5rem,10vw,4rem); }
  .form-row { grid-template-columns:1fr; }
  .about-features { grid-template-columns:1fr; }

  /* Footer estilo app en móvil */
  footer { padding: 0 0 5rem; }
  .footer-top { display: none; }
  .footer-bottom {
    display: none;
  }

  /* Bottom nav bar estilo app */
  .footer-app-bar {
    display: flex !important;
  }
}

/* App bottom bar — oculto en desktop */
.footer-app-bar {
  display: none !important;
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 90;
  background: rgba(6,10,22,0.97);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  border-top: 1px solid rgba(26,111,196,0.2);
  padding: 0.5rem 0 env(safe-area-inset-bottom, 0.5rem);
  justify-content: space-around; align-items: center;
}
.fab-item {
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  flex: 1; padding: 0.4rem 0;
  color: var(--muted); text-decoration: none;
  font-size: 0.6rem; font-weight: 600; letter-spacing: 0.06em;
  text-transform: uppercase; transition: color 0.2s;
  -webkit-tap-highlight-color: transparent;
}
.fab-item svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 1.8; transition: stroke 0.2s; }
.fab-item.active,
.fab-item:hover { color: var(--sky-glow); }
.fab-item.fab-cta {
  background: var(--sky); color: white; border-radius: 12px;
  padding: 0.5rem 1rem; margin: 0 0.5rem; flex: 1.5;
  font-size: 0.65rem; font-weight: 700;
}
.fab-item.fab-cta svg { stroke: white; }
.fab-item.fab-cta:hover { background: var(--sky-bright); color: white; }

/* Espacio para que el contenido no quede tapado por la bottom bar */
@media (max-width:768px) {
  body { padding-bottom: 70px; }
  .wa-float { bottom: 5rem; }
  .footer-app-bar { display: flex !important; }
}
@media (max-width:480px) {
  .hero-actions { flex-direction:column; }
  .btn { justify-content:center; }
  .social-row { flex-direction:column; }
  .certify-inner { flex-direction:column; align-items:flex-start; gap:1.25rem; }
}

/* ── CURSOS PAGE ESPECÍFICO ───────────────────────────────── */
.page-hero {
  min-height:40vh; display:flex; align-items:flex-end;
  padding: calc(var(--nav-h) + 3rem) clamp(1.5rem,5vw,4rem) 3rem;
  background:
    radial-gradient(ellipse 60% 80% at 80% 20%, rgba(26,111,196,0.12) 0%, transparent 70%),
    linear-gradient(160deg, #060c1a 0%, #0a1428 100%);
  position:relative; overflow:hidden;
}
.page-hero-grid {
  position:absolute; inset:0;
  background-image: linear-gradient(rgba(26,111,196,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(26,111,196,0.04) 1px, transparent 1px);
  background-size:60px 60px;
}
.page-hero-content { position:relative; z-index:2; max-width:1280px; margin:0 auto; width:100%; }
.page-hero-content .breadcrumb { font-size:0.75rem; color:var(--muted); margin-bottom:1rem; }
.page-hero-content .breadcrumb a { color:var(--sky-glow); }
.page-hero-content .breadcrumb span { margin:0 0.5rem; }
.course-full {
  background: rgba(255,255,255,0.03);
  border:1px solid rgba(26,111,196,0.15);
  border-radius:var(--radius-lg); margin-bottom:1.5rem;
  overflow:hidden;
}
.course-full-header {
  padding:1.5rem 1.75rem; display:flex; justify-content:space-between; align-items:center;
  gap:1rem; cursor:pointer;
  transition:background 0.25s;
}
.course-full-header:hover { background:rgba(26,111,196,0.05); }
.course-full-info { flex:1; }
.course-full-cat { font-size:0.68rem; font-weight:700; letter-spacing:0.14em; text-transform:uppercase; color:var(--sky-glow); margin-bottom:0.5rem; }
.course-full-title { font-family:var(--font-display); font-size:1.35rem; font-weight:700; line-height:1.2; }
.course-full-meta { display:flex; gap:1.5rem; margin-top:0.6rem; }
.course-full-meta span { font-size:0.78rem; color:var(--muted); display:flex; align-items:center; gap:5px; }
.course-full-toggle {
  width:32px; height:32px; border-radius:50%;
  background:rgba(26,111,196,0.1); border:1px solid rgba(26,111,196,0.2);
  display:flex; align-items:center; justify-content:center;
  color:var(--sky-glow); font-size:1.1rem;
  transition:transform 0.3s, background 0.25s; flex-shrink:0;
}
.course-full.open .course-full-toggle { transform:rotate(45deg); background:var(--sky); border-color:var(--sky); color:var(--white); }
.course-full-body {
  max-height:0; overflow:hidden;
  transition:max-height 0.45s var(--ease-in-out);
}
.course-full.open .course-full-body { max-height:600px; }
.course-full-body-inner {
  padding:0 1.75rem 1.75rem;
  border-top:1px solid rgba(26,111,196,0.1);
}
.course-full-body-inner p { font-size:0.88rem; color:var(--silver); line-height:1.75; margin-top:1.25rem; margin-bottom:1rem; }
.course-full-body-inner .cta-row { display:flex; gap:1rem; margin-top:1.25rem; flex-wrap:wrap; }

/* ── VISUAL CINEMATOGRÁFICO (about section) ──────────────── */
.about-visual {
  position: relative;
}
.av-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--navy-mid);
  cursor: pointer;
}
.av-slides { position: relative; width: 100%; height: 100%; }
.av-slide {
  position: absolute; inset: 0;
  opacity: 0;
  transition: opacity 0.9s cubic-bezier(0.4,0,0.2,1);
  overflow: hidden;
}
.av-slide.av-active { opacity: 1; }
.av-slide img {
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.04);
  transition: transform 6s ease-out;
}
.av-slide.av-active img { transform: scale(1); }

/* Gradiente cinematic sobre imagen */
.av-slide::before {
  content: '';
  position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(to bottom,
      rgba(10,15,30,0.55) 0%,
      transparent 30%,
      transparent 55%,
      rgba(10,15,30,0.85) 100%);
}

/* Tag superior izquierdo — "CEA/CIA 54 • LIVE" */
.av-tag {
  position: absolute; z-index: 3;
  display: flex; align-items: center; gap: 6px;
  font-family: var(--font-display);
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.16em;
  text-transform: uppercase; color: rgba(255,255,255,0.9);
  opacity: 0; transform: translateY(-6px);
  transition: opacity 0.5s 0.3s, transform 0.5s 0.3s;
}
.av-slide.av-active .av-tag { opacity: 1; transform: none; }
.av-tag-tl { top: 1.25rem; left: 1.25rem; }
.av-tag-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--sky-glow);
  animation: pulse-dot 2s ease-in-out infinite;
  flex-shrink: 0;
}

/* Badge superior derecho */
.av-badge {
  position: absolute; z-index: 3;
  font-family: var(--font-display);
  font-size: 0.65rem; font-weight: 700; letter-spacing: 0.2em;
  text-transform: uppercase;
  background: rgba(26,111,196,0.25);
  border: 1px solid rgba(74,168,255,0.4);
  color: var(--sky-glow);
  padding: 5px 12px; border-radius: 3px;
  backdrop-filter: blur(6px);
  opacity: 0; transform: translateY(-6px);
  transition: opacity 0.5s 0.4s, transform 0.5s 0.4s;
}
.av-slide.av-active .av-badge { opacity: 1; transform: none; }
.av-badge-tr { top: 1.25rem; right: 1.25rem; }

/* Stats flotantes inferiores */
.av-stat {
  position: absolute; z-index: 3;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  background: rgba(10,15,30,0.65);
  border: 1px solid rgba(26,111,196,0.25);
  border-radius: var(--radius); padding: 0.6rem 0.9rem;
  display: flex; flex-direction: column; gap: 2px;
  opacity: 0; transform: translateY(10px);
  transition: opacity 0.5s, transform 0.5s;
}
.av-slide.av-active .av-stat { opacity: 1; transform: none; }
.av-stat-bl { bottom: 3.5rem; left: 1.25rem; transition-delay: 0.2s; }
.av-stat-br { bottom: 3.5rem; right: 1.25rem; transition-delay: 0.35s; }
.av-stat-num {
  font-family: var(--font-display);
  font-size: 1.1rem; font-weight: 800; color: var(--sky-glow); line-height: 1;
}
.av-stat-label { font-size: 0.68rem; color: rgba(200,216,232,0.8); line-height: 1.3; }

/* Filmstrip inferior — texto corriendo */
.av-filmstrip {
  position: absolute; bottom: 0; left: 0; right: 0; z-index: 3;
  background: rgba(10,15,30,0.8);
  border-top: 1px solid rgba(26,111,196,0.2);
  padding: 0.5rem 1.25rem;
  display: flex; align-items: center; gap: 0.75rem;
  font-family: var(--font-display);
  font-size: 0.65rem; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: rgba(200,216,232,0.6);
  overflow: hidden;
  opacity: 0; transform: translateY(8px);
  transition: opacity 0.5s 0.5s, transform 0.5s 0.5s;
}
.av-slide.av-active .av-filmstrip { opacity: 1; transform: none; }
.av-sep { color: var(--sky); opacity: 0.6; }

/* Progreso */
.av-progress {
  position: absolute; bottom: 32px; left: 0; right: 0; z-index: 4;
  height: 2px; background: rgba(255,255,255,0.08);
}
.av-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--sky), var(--sky-glow));
  width: 0%;
  transition: width 0.1s linear;
}

/* Dots */
.av-dots {
  position: absolute; bottom: 1rem; left: 50%; transform: translateX(-50%);
  z-index: 4; display: flex; gap: 6px;
}
.av-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: rgba(255,255,255,0.25); border: none; cursor: pointer; padding: 0;
  transition: background 0.3s, transform 0.3s;
}
.av-dot.av-dot-active { background: var(--sky-glow); transform: scale(1.4); }