/* ============================================
   VERΣUM — Design System
   "Observa la suma de la verdad"
   ============================================ */

/* --- Variables --- */
:root {
    --black: #0B142B;
    --surface: #101B36;
    --card: #162248;
    --gold: #D4AF37;
    --gold-dim: rgba(212, 175, 55, 0.15);
    --gold-glow: rgba(212, 175, 55, 0.08);
    --indigo: #6366F1;
    --indigo-dim: rgba(99, 102, 241, 0.12);
    --cyan: #06B6D4;
    --red: #EF4444;
    --emerald: #10B981;
    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    --border: rgba(212, 175, 55, 0.08);
    --glass-bg: rgba(16, 27, 54, 0.75);
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --nav-height: 64px;
    --max-width: 1200px;
    --nav-width: 1440px;
}

/* --- Reset & Base --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body { font-family: var(--font-sans); background: var(--black); color: var(--text-primary); line-height: 1.6; min-height: 100vh; overflow-x: hidden; background-color: var(--black); background-image: radial-gradient(circle at 15% 25%, rgba(99,102,241,0.04) 0%, transparent 60%), radial-gradient(circle at 85% 75%, rgba(212,175,55,0.03) 0%, transparent 60%), radial-gradient(1px 1px at 10% 10%, rgba(255,255,255,0.12) 0%, transparent 100%), radial-gradient(1px 1px at 30% 40%, rgba(255,255,255,0.08) 0%, transparent 100%), radial-gradient(1px 1px at 50% 20%, rgba(255,255,255,0.1) 0%, transparent 100%), radial-gradient(1px 1px at 70% 60%, rgba(255,255,255,0.06) 0%, transparent 100%), radial-gradient(1px 1px at 90% 30%, rgba(255,255,255,0.09) 0%, transparent 100%), radial-gradient(1px 1px at 20% 80%, rgba(255,255,255,0.07) 0%, transparent 100%), radial-gradient(1px 1px at 60% 90%, rgba(255,255,255,0.11) 0%, transparent 100%), radial-gradient(1px 1px at 80% 50%, rgba(255,255,255,0.05) 0%, transparent 100%); background-size: 100% 100%, 100% 100%, 40px 40px, 40px 40px, 40px 40px, 40px 40px, 40px 40px, 40px 40px, 40px 40px, 40px 40px; background-repeat: no-repeat, no-repeat, repeat, repeat, repeat, repeat, repeat, repeat, repeat, repeat; }
::selection { background: var(--gold-dim); color: var(--gold); }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.15; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.75rem); }
p { color: var(--text-secondary); }
.gold { color: var(--gold); }
.indigo { color: var(--indigo); }
.mono { font-family: var(--font-mono); }
.small-uppercase { font-size: 0.7rem; font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase; color: var(--text-muted); }
.text-balance { text-wrap: balance; }

.gradient-text { background: linear-gradient(135deg, var(--gold) 0%, var(--indigo) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* --- Containers --- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 5rem 0; }
.section-sm { padding: 3rem 0; }
@media (min-width: 768px) { .section { padding: 7rem 0; } }

/* --- Glass --- */
.glass { background: var(--glass-bg); backdrop-filter: blur(20px) saturate(1.2); -webkit-backdrop-filter: blur(20px) saturate(1.2); border: 1px solid var(--border); }
.glass-card { background: rgba(30, 41, 59, 0.5); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border: 1px solid var(--border); border-radius: 1.25rem; padding: 1.75rem; transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1); }
.glass-card:hover { border-color: rgba(99, 102, 241, 0.2); transform: translateY(-3px); box-shadow: 0 24px 48px -12px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(99, 102, 241, 0.06); }
.glass-card-lg { border-radius: 1.5rem; padding: 2.5rem; }

/* --- Navbar --- */
.navbar { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; height: var(--nav-height); background: rgba(255, 255, 255, 0.92); backdrop-filter: blur(24px) saturate(1.3); -webkit-backdrop-filter: blur(24px); border-bottom: 1px solid rgba(15, 23, 42, 0.06); transition: background 0.3s, box-shadow 0.3s; }
.navbar.scrolled { background: rgba(255, 255, 255, 0.97); box-shadow: 0 8px 32px -16px rgba(15, 23, 42, 0.12); }
.nav-inner { max-width: var(--nav-width); margin: 0 auto; height: 100%; display: flex; align-items: center; justify-content: space-between; padding: 0 1.5rem; }
.nav-logo { display: flex; align-items: center; gap: 0.5rem; font-size: 1.25rem; font-weight: 800; letter-spacing: -0.03em; }
.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-link { font-size: 0.8125rem; font-weight: 500; color: #1E293B; transition: color 0.2s; position: relative; padding: 0.25rem 0; }
.nav-link::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 1px; background: var(--gold); transition: width 0.3s; }
.nav-link:hover { color: var(--indigo); }
.nav-link:hover::after { width: 100%; }
.nav-link.active { color: #8B6F1E; }
.nav-link.active::after { width: 100%; background: var(--gold); }
.nav-dropdown { position: relative; display: inline-flex; align-items: center; cursor: pointer; }
.nav-dropdown > a { font-size: 0.8125rem; font-weight: 500; color: #1E293B; transition: color 0.2s; position: relative; padding: 0.25rem 0; text-decoration: none; }
.nav-dropdown > a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 1px; background: var(--gold); transition: width 0.3s; }
.nav-dropdown:hover > a { color: var(--indigo); }
.nav-dropdown:hover > a::after { width: 100%; }
.nav-dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); pointer-events: auto; }
.nav-dropdown .dropdown-arrow { font-size: 0.5rem; margin-left: 0.35rem; color: #64748B; transition: transform 0.2s; }
.nav-dropdown:hover .dropdown-arrow { transform: rotate(180deg); }
.dropdown-menu { position: absolute; top: calc(100% + 0.75rem); left: 50%; transform: translateX(-50%) translateY(-4px); background: rgba(255,255,255,0.98); backdrop-filter: blur(24px); border: 1px solid rgba(15,23,42,0.06); border-radius: 0.75rem; padding: 0.5rem; min-width: 22rem; opacity: 0; visibility: hidden; transition: all 0.2s cubic-bezier(0.16,1,0.3,1); pointer-events: none; z-index: 1001; box-shadow: 0 24px 48px -12px rgba(15,23,42,0.16); }
.dropdown-item { display: block; padding: 0.625rem 0.875rem; border-radius: 0.5rem; transition: background 0.15s; text-decoration: none; }
.dropdown-item:hover { background: rgba(99,102,241,0.06); }
.dropdown-item strong { font-size: 0.8125rem; font-weight: 600; color: #0B142B; display: block; margin-bottom: 0.1rem; }
.dropdown-item span { font-size: 0.6875rem; color: #64748B; display: block; line-height: 1.4; }
@media (max-width: 768px) { .dropdown-menu { position: static; transform: none; min-width: auto; opacity: 1; visibility: visible; pointer-events: auto; display: none; background: transparent; border: none; padding: 0 0 0 1rem; box-shadow: none; } .nav-dropdown.open .dropdown-menu { display: block; } .nav-dropdown .dropdown-arrow { display: none; } }
.nav-cta { background: var(--indigo); color: #FFFFFF !important; font-weight: 700; padding: 0.5rem 1.25rem; border-radius: 0.5rem; font-size: 0.8125rem; transition: all 0.2s; box-shadow: 0 4px 12px -4px rgba(99, 102, 241, 0.35); }
.nav-cta::after { display: none !important; }
.nav-cta:hover { background: #7C7FF7; transform: translateY(-1px); box-shadow: 0 8px 24px -8px rgba(99, 102, 241, 0.45); }
.nav-toggle { display: none; background: none; border: none; color: #0B142B; font-size: 1.5rem; cursor: pointer; padding: 0.25rem; }

@media (max-width: 768px) {
    .nav-links { display: none; position: fixed; top: var(--nav-height); left: 0; width: 100%; background: rgba(255, 255, 255, 0.98); flex-direction: column; padding: 1.5rem; gap: 1rem; border-bottom: 1px solid rgba(15,23,42,0.06); box-shadow: 0 16px 32px -16px rgba(15,23,42,0.12); }
    .nav-links.open { display: flex; }
    .nav-toggle { display: block; }
    .nav-cta { text-align: center; width: 100%; }
}

/* --- Navbar (white) logo --- */
.navbar .logo-text { background: linear-gradient(135deg, #0B142B 20%, #6366F1 70%, #06B6D4 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; filter: drop-shadow(0 0 4px rgba(99, 102, 241, 0.12)); }
.navbar .nav-logo img { border-color: rgba(15, 23, 42, 0.08); }

/* --- Hero --- */
.hero { min-height: 100vh; display: flex; align-items: center; position: relative; overflow: hidden; padding-top: var(--nav-height); }
.hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 80% 60% at 50% 40%, rgba(212, 175, 55, 0.04) 0%, transparent 70%), radial-gradient(ellipse 60% 50% at 70% 60%, rgba(99, 102, 241, 0.03) 0%, transparent 70%); pointer-events: none; }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.hero-grid > div:first-child { padding-top: 2.5rem; }
.hero-badge { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.375rem 0.875rem; border-radius: 100px; border: 1px solid var(--gold-dim); background: rgba(212, 175, 55, 0.06); font-size: 0.6875rem; font-weight: 600; color: var(--gold); letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: 1.5rem; }
.hero-title { font-size: clamp(2.75rem, 5.5vw, 5rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1.05; margin-bottom: 0.75rem; }
.hero-sub { font-size: clamp(1rem, 1.5vw, 1.25rem); color: var(--text-muted); opacity: 0.75; max-width: 36rem; line-height: 1.7; margin-bottom: 1.5rem; }
.hero-phrase { font-size: clamp(1.125rem, 2vw, 1.5rem); font-weight: 700; letter-spacing: -0.01em; line-height: 1.35; max-width: 36rem; margin-bottom: 1rem; }
.hero-tagline { display: inline-flex; align-items: center; gap: 0.5rem; font-size: 0.9375rem; font-weight: 600; letter-spacing: 0.02em; color: var(--gold); margin-bottom: 2rem; }
.hero-tagline::before { content: ''; width: 1.5rem; height: 1px; background: var(--gold-dim); }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 1rem; }
.btn-primary { display: inline-flex; align-items: center; gap: 0.5rem; background: var(--indigo); color: #FFFFFF; font-weight: 700; padding: 0.875rem 2rem; border-radius: 0.5rem; font-size: 0.9375rem; transition: all 0.2s; border: none; cursor: pointer; }
.btn-primary:hover { background: #7C7FF7; transform: translateY(-2px); box-shadow: 0 12px 32px -8px rgba(99, 102, 241, 0.3); }
.btn-ghost { display: inline-flex; align-items: center; gap: 0.5rem; border: 1px solid var(--border); color: var(--text-primary); font-weight: 500; padding: 0.875rem 2rem; border-radius: 0.5rem; font-size: 0.9375rem; transition: all 0.2s; background: transparent; cursor: pointer; }
.btn-ghost:hover { border-color: var(--gold-dim); background: rgba(212, 175, 55, 0.05); transform: translateY(-2px); }

.hero-symbol { display: flex; justify-content: center; align-items: center; perspective: 1500px; }
.hero-symbol-inner { position: relative; width: 100%; max-width: 34rem; aspect-ratio: 1; transform-style: preserve-3d; animation: symbol-float 26s ease-in-out infinite; }
.hero-symbol-inner::before { content: ''; position: absolute; inset: 1%; border-radius: 50%; padding: 2px; background: linear-gradient(135deg, rgba(212,175,55,0.6), rgba(212,175,55,0.05) 30%, rgba(99,102,241,0.3) 55%, rgba(6,182,212,0.5) 85%); -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0); -webkit-mask-composite: xor; mask-composite: exclude; transform: translateZ(20px); }
.hero-symbol-inner::after { content: ''; position: absolute; inset: -7%; border-radius: 50%; background: radial-gradient(closest-side, rgba(212,175,55,0.20) 0%, rgba(99,102,241,0.08) 45%, transparent 72%); filter: blur(22px); transform: translateZ(-80px); }

/* --- 3D orbital rings --- */
.orbit { position: absolute; inset: 0; border-radius: 50%; transform-style: preserve-3d; }
.orbit-1 { transform: rotateX(71deg) rotateZ(8deg); }
.orbit-2 { transform: rotateY(16deg) rotateX(60deg); }
.orbit-3 { transform: rotateY(-13deg) rotateX(72deg) rotateZ(-6deg); }
.orbit-spin { position: absolute; inset: 0; border-radius: 50%; transform-style: preserve-3d; will-change: transform; }
.orbit-1 .orbit-spin { animation: spin 34s linear infinite; }
.orbit-2 .orbit-spin { animation: spin 26s linear infinite reverse; }
.orbit-3 .orbit-spin { animation: spin 42s linear infinite; animation-delay: -9s; }

.orbit-track { position: absolute; inset: 0; border-radius: 50%; border: 1px solid rgba(96,165,250,0.22); box-shadow: inset 0 0 20px rgba(96,165,250,0.06), 0 0 20px rgba(96,165,250,0.05); background: radial-gradient(circle at 50% 50%, transparent 58%, rgba(56,189,248,0.05) 72%, rgba(99,102,241,0.06) 96%); }
.orbit-track::after { content: ''; position: absolute; inset: 6%; border-radius: 50%; border: 1px dashed rgba(56,189,248,0.16); }

/* --- crystals / gems --- */
.gem { position: absolute; width: 1.15rem; height: 1.3rem; transform: translate(-50%, -50%); clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%); background: conic-gradient(from 200deg at 50% 50%, var(--a) 0 90deg, #FFFFFF 90deg 150deg, var(--b) 150deg 250deg, var(--c) 250deg 310deg, var(--a) 310deg 360deg); animation: gem-hue 9s linear infinite, gem-pulse 6s ease-in-out infinite; box-shadow: 0 0 12px rgba(212,175,55,0.35); }
.gem-gold   { --a: #D4AF37; --b: #8a6a12; --c: #F6E27A; }
.gem-cyan   { --a: #38BDF8; --b: #0369a1; --c: #7DD3FC; }
.gem-emerald{ --a: #10B981; --b: #065f46; --c: #6EE7B7; }
.gem-indigo { --a: #818CF8; --b: #4338CA; --c: #C7D2FE; }

/* --- planet --- */
.planet { position: absolute; width: 2.1rem; height: 2.1rem; border-radius: 50%; transform: translate(-50%, -50%); background: radial-gradient(circle at 32% 30%, #cfe4ff, #3b82f6 45%, #1e3a8a 78%, #0f172a); box-shadow: 0 0 20px rgba(59,130,246,0.6), inset -5px -7px 14px rgba(0,0,0,0.6); }
.planet::after { content: ''; position: absolute; width: 2.9rem; height: 1rem; left: 50%; top: 50%; transform: translate(-50%, -50%) rotate(-38deg); border: 1px solid rgba(56,189,248,0.45); border-radius: 50%; box-shadow: inset 0 0 8px rgba(56,189,248,0.3), 0 0 6px rgba(56,189,248,0.25); }

/* --- shield core --- */
.hero-core { position: absolute; inset: 30%; display: flex; align-items: center; justify-content: center; transform: translateZ(34px); transform-style: preserve-3d; animation: core-float 9s ease-in-out infinite; }
.hero-core::before { content: ''; position: absolute; inset: -12%; border-radius: 50%; background: radial-gradient(closest-side, rgba(212,175,55,0.26) 0%, rgba(212,175,55,0.07) 55%, transparent 78%); filter: blur(14px); }
.hero-core img { position: relative; width: 100%; height: 100%; object-fit: contain; opacity: 0.95; filter: drop-shadow(0 8px 20px rgba(212,175,55,0.4)) drop-shadow(0 24px 60px rgba(99,102,241,0.35)); animation: shield-breathe 7s ease-in-out infinite; }
.hero-core:hover img { filter: drop-shadow(0 10px 30px rgba(212,175,55,0.55)) drop-shadow(0 28px 70px rgba(99,102,241,0.5)); }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes symbol-float { 0%, 100% { transform: rotateX(0deg) rotateY(-3deg); } 50% { transform: rotateX(3deg) rotateY(4deg); } }
@keyframes core-float { 0%, 100% { transform: translateZ(34px) translateY(0); } 50% { transform: translateZ(34px) translateY(-14px); } }
@keyframes shield-breathe { 0%, 100% { transform: scale(1) rotateZ(0deg); } 50% { transform: scale(1.03) rotateZ(0.6deg); } }
@keyframes gem-hue { 0% { filter: hue-rotate(0deg); } 100% { filter: hue-rotate(360deg); } }
@keyframes gem-pulse { 0%, 100% { opacity: 0.8; } 50% { opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
    .hero-symbol-inner, .orbit-spin, .hero-core, .hero-core img, .gem { animation: none !important; }
}

@media (max-width: 768px) {
    .hero-grid { grid-template-columns: 1fr; gap: 2rem; text-align: center; }
    .hero-sub { margin-left: auto; margin-right: auto; }
    .hero-phrase { margin-left: auto; margin-right: auto; }
    .hero-tagline { justify-content: center; }
    .hero-ctas { justify-content: center; }
    .hero-symbol-inner { max-width: 20rem; margin: 0 auto; }
    .orbit-2, .orbit-3 { display: none; }
}

/* --- Page Header --- */
.page-header { padding: 8rem 0 3rem; text-align: center; position: relative; }
.page-header::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 3rem; height: 1px; background: var(--gold-dim); }
.page-header h1 { margin-bottom: 1rem; }
.page-header p { max-width: 36rem; margin: 0 auto; font-size: 1.125rem; }

/* --- Sections --- */
.section-label { display: block; font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase; color: var(--gold); margin-bottom: 0.75rem; }
.section-title { margin-bottom: 1rem; }
.section-desc { max-width: 36rem; font-size: 1.0625rem; margin-bottom: 3rem; color: var(--text-secondary); }

/* --- Grids --- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* --- Cards --- */
.card-icon { width: 2.75rem; height: 2.75rem; border-radius: 0.75rem; display: flex; align-items: center; justify-content: center; font-size: 1.125rem; margin-bottom: 1.25rem; }
.gold-icon { background: var(--gold-dim); color: var(--gold); }
.indigo-icon { background: var(--indigo-dim); color: var(--indigo); }
.card h3 { margin-bottom: 0.5rem; }
.card p { font-size: 0.875rem; line-height: 1.7; color: var(--text-muted); }

/* --- Divider --- */
.divider { height: 1px; max-width: 48rem; margin: 0 auto; background: linear-gradient(90deg, transparent, var(--border), transparent); }

/* --- Pricing --- */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; align-items: start; }
.pricing-card { border-radius: 1.25rem; padding: 2.5rem; background: rgba(30, 41, 59, 0.4); border: 1px solid var(--border); transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1); position: relative; }
.pricing-card:hover { transform: translateY(-6px); border-color: var(--gold-dim); }
.pricing-card.featured { border-color: rgba(212, 175, 55, 0.25); box-shadow: 0 0 48px -16px rgba(212, 175, 55, 0.08); }
.pricing-badge { position: absolute; top: -0.75rem; left: 50%; transform: translateX(-50%); background: var(--gold); color: var(--black); font-size: 0.6875rem; font-weight: 700; padding: 0.25rem 1rem; border-radius: 100px; letter-spacing: 0.05em; }
.pricing-name { font-size: 1.25rem; font-weight: 700; margin-bottom: 0.25rem; }
.pricing-desc { font-size: 0.8125rem; color: var(--text-muted); margin-bottom: 1.5rem; }
.pricing-amount { margin-bottom: 1.5rem; }
.pricing-amount .number { font-size: 2.5rem; font-weight: 800; letter-spacing: -0.03em; }
.pricing-amount .period { font-size: 0.875rem; color: var(--text-muted); }
.pricing-min { font-size: 0.75rem; color: var(--text-muted); margin-top: -1rem; margin-bottom: 1.5rem; }
.pricing-features { list-style: none; margin-bottom: 2rem; }
.pricing-features li { display: flex; align-items: flex-start; gap: 0.75rem; font-size: 0.8125rem; color: var(--text-secondary); padding: 0.375rem 0; }
.pricing-features li i { color: var(--gold); font-size: 0.625rem; margin-top: 0.3rem; }
.pricing-features li.disabled { color: var(--text-muted); opacity: 0.5; }
.pricing-features li.disabled i { color: var(--text-muted); }
.pricing-btn { display: block; text-align: center; padding: 0.75rem; border-radius: 0.5rem; font-size: 0.875rem; font-weight: 600; transition: all 0.2s; background: transparent; border: 1px solid var(--border); color: var(--text-secondary); }
.pricing-btn:hover { border-color: var(--gold-dim); color: var(--gold); }
.pricing-btn.primary { background: var(--indigo); color: #FFFFFF; border-color: var(--indigo); }
.pricing-btn.primary:hover { background: #7C7FF7; box-shadow: 0 8px 24px -8px rgba(99, 102, 241, 0.3); }
@media (max-width: 900px) { .pricing-grid { grid-template-columns: 1fr; max-width: 28rem; margin: 0 auto; } }

/* --- Form --- */
.form-card { max-width: 36rem; margin: 0 auto; border-radius: 1.25rem; padding: 2.5rem; background: rgba(30, 41, 59, 0.4); border: 1px solid var(--border); }
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-size: 0.8125rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 0.375rem; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 0.75rem 1rem; border-radius: 0.5rem; background: rgba(11, 20, 43, 0.5); border: 1px solid var(--border); color: var(--text-primary); font-family: var(--font-sans); font-size: 0.9375rem; transition: border-color 0.2s; outline: none; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--gold-dim); box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.06); }
.form-group textarea { min-height: 7rem; resize: vertical; }
.form-group select { appearance: none; cursor: pointer; }

/* --- Footer --- */
.footer { border-top: 1px solid var(--border); padding: 4rem 0 2rem; margin-top: 4rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.footer-brand p { font-size: 0.8125rem; color: var(--text-muted); max-width: 20rem; margin-top: 0.75rem; line-height: 1.7; }
.footer h4 { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 1rem; }
.footer ul { list-style: none; }
.footer ul li { margin-bottom: 0.5rem; }
.footer ul li a { font-size: 0.8125rem; color: var(--text-muted); transition: color 0.2s; }
.footer ul li a:hover { color: var(--text-primary); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 1.5rem; display: flex; justify-content: space-between; align-items: center; font-size: 0.75rem; color: var(--text-muted); }
.footer-bottom-links { display: flex; gap: 1.5rem; }
.footer-bottom-links a { color: var(--text-muted); transition: color 0.2s; }
.footer-bottom-links a:hover { color: var(--text-primary); }
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; } .footer-bottom { flex-direction: column; gap: 0.75rem; text-align: center; } }

/* --- Animations --- */
.fade-in { opacity: 0; transform: translateY(12px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* --- Decorative pattern --- */
.sigma-deco { font-size: 12rem; font-weight: 100; position: absolute; opacity: 0.02; pointer-events: none; font-family: var(--font-sans); display: flex; align-items: center; justify-content: center; }
.sigma-deco img { width: 8rem; height: auto; opacity: 0.15; }
.sigma-deco-tl { top: -2rem; left: -2rem; }
.sigma-deco-br { bottom: -2rem; right: -2rem; }

/* --- Truth line (decorative) --- */
.truth-line { height: 1px; width: 4rem; background: var(--gold); margin: 1.5rem 0; }
.truth-line.center { margin: 1.5rem auto; }

/* --- Highlight block --- */
.highlight-block { border-left: 2px solid var(--gold-dim); padding-left: 1.5rem; margin: 2rem 0; }
.highlight-block p { font-style: italic; font-size: 1.0625rem; color: var(--text-secondary); }

/* --- Agent security badge --- */
.agent-badge { display: inline-flex; align-items: center; gap: 0.5rem; background: rgba(239, 68, 68, 0.08); border: 1px solid rgba(239, 68, 68, 0.15); padding: 0.25rem 0.75rem; border-radius: 100px; font-size: 0.6875rem; font-weight: 600; color: var(--red); }
.agent-badge i { font-size: 0.5rem; }

/* --- Protocol tree visualization (CSS only) --- */
.protocol-tree { display: flex; flex-direction: column; gap: 0; position: relative; padding-left: 2rem; }
.protocol-tree::before { content: ''; position: absolute; left: 0.5rem; top: 0.75rem; bottom: 0.75rem; width: 1px; background: var(--border); }
.protocol-node { position: relative; padding: 1rem 0 1rem 1.5rem; border-left: 1px solid transparent; transition: border-color 0.3s; }
.protocol-node::before { content: ''; position: absolute; left: -1.5rem; top: 1.5rem; width: 0.75rem; height: 0.75rem; border-radius: 50%; background: var(--card); border: 1px solid var(--border); transition: all 0.3s; }
.protocol-node:hover::before { background: var(--gold-dim); border-color: var(--gold); }
.protocol-node:hover { border-left-color: var(--gold-dim); }
.protocol-node:last-child::after { display: none; }
.protocol-node h4 { font-size: 0.9375rem; font-weight: 600; margin-bottom: 0.25rem; }
.protocol-node p { font-size: 0.8125rem; color: var(--text-muted); }

/* --- Responsive extras --- */
/* --- Comparison table --- */
.comp-table { width: 100%; border-collapse: separate; border-spacing: 0; border-radius: 1.25rem; overflow: hidden; border: 1px solid var(--border); }
.comp-table thead th { padding: 1rem 1.5rem; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; text-align: left; background: rgba(30, 41, 59, 0.3); }
.comp-table thead th:first-child { color: var(--text-muted); }
.comp-table thead th:last-child { color: var(--indigo); }
.comp-table tbody td { padding: 1rem 1.5rem; font-size: 0.8125rem; color: var(--text-secondary); border-top: 1px solid var(--border); vertical-align: top; }
.comp-table tbody td:first-child { color: var(--text-muted); }
.comp-table tbody td:last-child { color: var(--text-primary); }
.comp-table tbody tr:last-child td:first-child { border-bottom-left-radius: 1.25rem; }
.comp-table tbody tr:last-child td:last-child { border-bottom-right-radius: 1.25rem; }

/* --- Commit path cards --- */
.path-card { border-radius: 1.25rem; padding: 2.5rem; background: rgba(30, 41, 59, 0.3); border: 1px solid var(--border); transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1); position: relative; }
.path-card:hover { border-color: rgba(99, 102, 241, 0.2); transform: translateY(-4px); box-shadow: 0 24px 48px -12px rgba(0,0,0,0.3); }
.path-card .path-icon { width: 3rem; height: 3rem; border-radius: 0.875rem; display: flex; align-items: center; justify-content: center; font-size: 1.25rem; margin-bottom: 1.25rem; }
.path-card h3 { font-size: 1.125rem; margin-bottom: 0.5rem; }
.path-card p { font-size: 0.8125rem; color: var(--text-muted); margin-bottom: 1.5rem; line-height: 1.7; }
.path-card .path-tag { font-size: 0.625rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; padding: 0.25rem 0.75rem; border-radius: 100px; display: inline-block; margin-bottom: 0.75rem; }
.path-labs .path-icon { background: rgba(99,102,241,0.12); color: var(--indigo); }
.path-labs .path-tag { background: rgba(99,102,241,0.1); color: var(--indigo); }
.path-core .path-icon { background: rgba(212,175,55,0.12); color: var(--gold); }
.path-core .path-tag { background: rgba(212,175,55,0.1); color: var(--gold); }

@media (max-width: 480px) {
    .page-header { padding: 6rem 0 2rem; }
    .section { padding: 3rem 0; }
}

/* --- Logo text --- */
.logo-text {
  font-family: 'Inter', var(--font-sans);
  font-weight: 800;
  letter-spacing: -0.02em;
  display: inline;
  background: linear-gradient(135deg, #F1F5F9 30%, #6CB4EE 70%, #4A90D9 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 4px rgba(74,144,217,0.15));
}

/* --- Sigma brand mark (blue) --- */
.sigma {
  background: var(--indigo);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--indigo);
  filter: drop-shadow(0 0 8px rgba(99, 102, 241, 0.35));
}

/* --- Inverted (white) section --- */.section-inverted {
  background: #F8FAFC;
  color: #0B142B;
}
.section-inverted .section-label { color: #6366F1 !important; }
.section-inverted .section-title { color: #0B142B !important; }
.section-inverted .section-desc { color: #475569 !important; }
.section-inverted p { color: #475569 !important; }
.section-inverted .text-muted { color: #64748B !important; }
.section-inverted .text-secondary { color: #475569 !important; }
.section-inverted .glass-card { background: rgba(255,255,255,0.85) !important; border-color: rgba(0,0,0,0.06) !important; }
.section-inverted .glass-card p { color: #475569 !important; }
.section-inverted .glass-card h4 { color: #0B142B !important; }
.section-inverted .highlight-block p { color: #475569 !important; }
.section-inverted .gradient-text { background: linear-gradient(135deg, #D4AF37 0%, #6366F1 100%) !important; -webkit-background-clip: text !important; -webkit-text-fill-color: transparent !important; background-clip: text !important; }
.section-inverted + .divider { opacity: 0.3; }

/* --- Realistic icons --- */
.icon-real {
  display: inline-flex; align-items: center; justify-content: center;
  width: 3.25rem; height: 3.25rem; border-radius: 0.875rem;
  background: linear-gradient(145deg, rgba(212,175,55,0.18), rgba(212,175,55,0.04));
  box-shadow: 0 4px 16px rgba(212,175,55,0.12), inset 0 1px 0 rgba(255,255,255,0.12);
  font-size: 1.25rem; color: var(--gold);
  transition: all 0.3s cubic-bezier(0.16,1,0.3,1);
  position: relative; overflow: hidden;
  margin: 0 auto 0.75rem;
}
.icon-real::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 45%;
  background: linear-gradient(180deg, rgba(255,255,255,0.1), transparent);
  border-radius: 0.875rem 0.875rem 0 0;
  pointer-events: none;
}
.icon-real::after {
  content: ''; position: absolute; bottom: 0; left: 20%; right: 20%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(212,175,55,0.15), transparent);
  pointer-events: none;
}
.icon-real:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(212,175,55,0.2), inset 0 1px 0 rgba(255,255,255,0.18);
}
.icon-real.indigo {
  background: linear-gradient(145deg, rgba(99,102,241,0.18), rgba(99,102,241,0.04));
  box-shadow: 0 4px 16px rgba(99,102,241,0.12), inset 0 1px 0 rgba(255,255,255,0.12);
  color: var(--indigo);
}
.icon-real.indigo::after {
  background: linear-gradient(90deg, transparent, rgba(99,102,241,0.15), transparent);
}
.icon-real.indigo:hover {
  box-shadow: 0 8px 28px rgba(99,102,241,0.2), inset 0 1px 0 rgba(255,255,255,0.18);
}
.icon-real.emerald {
  background: linear-gradient(145deg, rgba(16,185,129,0.18), rgba(16,185,129,0.04));
  box-shadow: 0 4px 16px rgba(16,185,129,0.12), inset 0 1px 0 rgba(255,255,255,0.12);
  color: var(--emerald);
}
.icon-real.emerald::after {
  background: linear-gradient(90deg, transparent, rgba(16,185,129,0.15), transparent);
}

/* --- Sector icon personalization --- */
.icon-real.fintech {
  background: linear-gradient(145deg, rgba(99,102,241,0.2), rgba(99,102,241,0.05));
  box-shadow: 0 4px 16px rgba(99,102,241,0.15), inset 0 1px 0 rgba(255,255,255,0.12);
  color: var(--indigo);
}
.icon-real.fintech::after {
  background: linear-gradient(90deg, transparent, rgba(99,102,241,0.15), transparent);
}
.icon-real.fintech i { filter: drop-shadow(0 0 4px rgba(99,102,241,0.3)); }

.icon-real.medtech {
  background: linear-gradient(145deg, rgba(16,185,129,0.2), rgba(16,185,129,0.05));
  box-shadow: 0 4px 16px rgba(16,185,129,0.15), inset 0 1px 0 rgba(255,255,255,0.12);
  color: var(--emerald);
}
.icon-real.medtech::after {
  background: linear-gradient(90deg, transparent, rgba(16,185,129,0.15), transparent);
}
.icon-real.medtech i { filter: drop-shadow(0 0 4px rgba(16,185,129,0.3)); }

.icon-real.legaltech {
  background: linear-gradient(145deg, rgba(212,175,55,0.2), rgba(212,175,55,0.05));
  box-shadow: 0 4px 16px rgba(212,175,55,0.15), inset 0 1px 0 rgba(255,255,255,0.12);
  color: var(--gold);
}
.icon-real.legaltech::after {
  background: linear-gradient(90deg, transparent, rgba(212,175,55,0.15), transparent);
}
.icon-real.legaltech i { filter: drop-shadow(0 0 4px rgba(212,175,55,0.3)); }

.icon-real.gobierno {
  background: linear-gradient(145deg, rgba(139,92,246,0.2), rgba(139,92,246,0.05));
  box-shadow: 0 4px 16px rgba(139,92,246,0.15), inset 0 1px 0 rgba(255,255,255,0.12);
  color: #8B5CF6;
}
.icon-real.gobierno::after {
  background: linear-gradient(90deg, transparent, rgba(139,92,246,0.15), transparent);
}
.icon-real.gobierno i { filter: drop-shadow(0 0 4px rgba(139,92,246,0.3)); }

.icon-real.industrial {
  background: linear-gradient(145deg, rgba(6,182,212,0.2), rgba(6,182,212,0.05));
  box-shadow: 0 4px 16px rgba(6,182,212,0.15), inset 0 1px 0 rgba(255,255,255,0.12);
  color: var(--cyan);
}
.icon-real.industrial::after {
  background: linear-gradient(90deg, transparent, rgba(6,182,212,0.15), transparent);
}
.icon-real.industrial i { filter: drop-shadow(0 0 4px rgba(6,182,212,0.3)); }

/* --- 5-column grid support --- */
@media (min-width: 901px) { .grid-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1.5rem; } }
@media (max-width: 900px) and (min-width: 601px) { .grid-5 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; } }
@media (max-width: 600px) { .grid-5 { display: grid; grid-template-columns: 1fr; gap: 1rem; } }

/* --- Announcement bar --- */
.announce-bar {
  text-align: center; padding: 0.75rem 1.5rem;
  background: rgba(99,102,241,0.06);
  border: 1px solid rgba(99,102,241,0.12);
  border-radius: 0.75rem;
  font-size: 0.8125rem; color: var(--text-secondary);
  margin: 1.5rem 0 0;
}
.announce-bar strong { color: var(--indigo); }

/* --- Trust amplifier cards --- */
.amp-card {
  text-align: center; padding: 1.75rem; border-radius: 1.25rem;
  background: rgba(30,41,59,0.5);
  border: 1px solid var(--border);
  transition: all 0.4s cubic-bezier(0.16,1,0.3,1);
}
.amp-card:hover {
  border-color: rgba(99,102,241,0.2);
  transform: translateY(-3px);
  box-shadow: 0 24px 48px -12px rgba(0,0,0,0.4);
}
.amp-card .amp-icon {
  width: 3rem; height: 3rem; border-radius: 0.875rem;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem; font-size: 1.25rem;
}
.amp-card h4 { font-size: 0.9375rem; margin-bottom: 0.5rem; }
.amp-card p { font-size: 0.8125rem; color: var(--text-muted); line-height: 1.6; }

/* --- Micropoints depth background --- */
.bg-depth,
.glass-card,
.pricing-card,
.path-card,
.form-card,
.amp-card {
  background-image:
    radial-gradient(circle at 1px 1px, rgba(255,255,255,0.14) 1px, transparent 1px),
    radial-gradient(circle at 1.5px 1.5px, rgba(99,102,241,0.20) 1.5px, transparent 1.5px),
    radial-gradient(ellipse 120% 80% at 50% 115%, rgba(99,102,241,0.10), transparent 60%);
  background-size: 22px 22px, 68px 68px, 100% 100%;
  background-position: 0 0, 11px 11px, 0 0;
  background-repeat: repeat, repeat, no-repeat;
}
.section-inverted .glass-card,
.section-inverted .pricing-card,
.section-inverted .path-card,
.section-inverted .form-card,
.section-inverted .amp-card {
  background-image:
    radial-gradient(circle at 1px 1px, rgba(99,102,241,0.10) 1px, transparent 1px),
    radial-gradient(ellipse 120% 80% at 50% 115%, rgba(99,102,241,0.06), transparent 60%) !important;
  background-size: 26px 26px, 100% 100% !important;
  background-position: 0 0, 0 0;
  background-repeat: repeat, no-repeat;
}

/* ============================================
   SOLUCIONES — Light theme (.sol-)
   "Método cerrado, prueba pública."
   Acentos: Sky #38BDF8 · Indigo claro #60A5FA · Oro solo como sello
   ============================================ */
.sol-page { background: #FFFFFF; color: #0B142B; }
.sol-page .sol-veil {
  background:
    radial-gradient(ellipse 70% 55% at 15% 0%, rgba(56,189,248,0.14) 0%, transparent 60%),
    radial-gradient(ellipse 60% 45% at 90% 20%, rgba(96,165,250,0.10) 0%, transparent 60%),
    radial-gradient(ellipse 80% 60% at 50% 110%, rgba(56,189,248,0.08) 0%, transparent 60%);
}
.sol-page .sol-head { padding: 9rem 0 3rem; text-align: center; position: relative; }
.sol-page .sol-menu { display:flex; flex-wrap:wrap; gap:0.5rem; justify-content:center; align-items:center; max-width:52rem; margin:2rem auto 0; padding:1rem; background: #FFFFFF; border:1px solid rgba(148,163,184,0.25); border-radius:1rem; box-shadow:0 10px 30px -20px rgba(15,23,42,0.25); }
.sol-page .sol-menu-title { width:100%; font-size:0.6875rem; font-weight:700; letter-spacing:0.14em; text-transform:uppercase; color:#0284C7; margin-bottom:0.25rem; }
.sol-page .sol-menu a { font-size:0.8125rem; font-weight:600; color:#1E3A5F; text-decoration:none; padding:0.5rem 0.9rem; border:1px solid rgba(56,189,248,0.3); border-radius:100px; background:linear-gradient(180deg,#FFFFFF,#F0F7FF); transition:all 0.2s; }
.sol-page .sol-menu a:hover { background:linear-gradient(135deg,#0EA5E9,#6366F1); border-color:transparent; color:#FFFFFF; box-shadow:0 8px 20px -8px rgba(99,102,241,0.5); }
@media (max-width:768px) { .sol-page .sol-menu { padding:0.875rem; } .sol-page .sol-menu a { font-size:0.75rem; padding:0.4rem 0.7rem; } }

.sol-page .sol-head h1 { color: #0B142B; margin-bottom: 1rem; }
.sol-page .sol-head p { color: #475569; max-width: 38rem; margin: 0 auto; font-size: 1.125rem; line-height: 1.7; }
.sol-page .sol-label { display: block; font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: #0284C7; margin-bottom: 0.75rem; }

.sol-card {
  position: relative;
  border-radius: 1.25rem;
  background: #FFFFFF;
  border: 1px solid rgba(148,163,184,0.22);
  box-shadow: 0 10px 30px -18px rgba(15,23,42,0.18);
  padding: 1.75rem;
  transition: all 0.4s cubic-bezier(0.16,1,0.3,1);
}
.sol-card:hover {
  border-color: rgba(56,189,248,0.45);
  transform: translateY(-4px);
  box-shadow: 0 24px 48px -18px rgba(15,23,42,0.22);
}
.sol-card .sol-icon {
  width: 3rem; height: 3rem; border-radius: 0.875rem;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; margin-bottom: 1rem;
  background: linear-gradient(145deg, rgba(56,189,248,0.20), rgba(96,165,250,0.06));
  color: #0284C7;
  box-shadow: 0 4px 14px rgba(56,189,248,0.18), inset 0 1px 0 rgba(255,255,255,0.6);
}
.sol-card h3 { font-size: 1.0625rem; color: #0B142B; margin-bottom: 0.5rem; }
.sol-card p { font-size: 0.8125rem; color: #475569; line-height: 1.7; }

.sol-step { display: flex; gap: 0.875rem; align-items: flex-start; padding: 0.625rem 0; }
.sol-step .sol-dot {
  width: 1.5rem; height: 1.5rem; border-radius: 50%; flex-shrink: 0; margin-top: 0.15rem;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.625rem; font-weight: 700; color: #0284C7;
  background: rgba(56,189,248,0.14); border: 1px solid rgba(56,189,248,0.30);
}
.sol-step .sol-dot-text { font-size: 0.8125rem; color: #475569; line-height: 1.6; }

.proof-seal {
  display: inline-flex; align-items: center; gap: 0.5rem;
  margin-top: 1.25rem; padding: 0.5rem 0.875rem;
  border-radius: 100px;
  border: 1px solid rgba(212,175,55,0.45);
  background: rgba(212,175,55,0.08);
  color: #92670B;
  font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
}
.proof-seal i { color: #D4AF37; font-size: 0.625rem; }

.sol-method-card {
  border-radius: 1rem;
  background: #FFFFFF;
  border: 1px solid rgba(56,189,248,0.25);
  background-image:
    radial-gradient(circle at 1px 1px, rgba(56,189,248,0.12) 1px, transparent 1px),
    radial-gradient(circle at 1.5px 1.5px, rgba(96,165,250,0.10) 1.5px, transparent 1.5px),
    radial-gradient(ellipse 120% 80% at 50% 115%, rgba(96,165,250,0.08), transparent 60%);
  background-size: 22px 22px, 68px 68px, 100% 100%;
  background-position: 0 0, 11px 11px, 0 0;
  background-repeat: repeat, repeat, no-repeat;
  padding: 1.25rem;
}
.sol-method-card h4 { font-size: 0.8125rem; font-weight: 700; color: #0284C7; margin-bottom: 0.5rem; letter-spacing: 0.02em; }
.sol-method-card p { font-size: 0.8125rem; color: #475569; line-height: 1.7; }

.sol-quote {
  border-left: 3px solid #38BDF8;
  padding-left: 1.5rem; margin: 2rem 0;
}
.sol-quote p { font-style: italic; font-size: 1.0625rem; color: #334155; line-height: 1.8; }
.sol-quote strong { color: #0EA5E9; }

.sol-section { padding: 4rem 0; }
.sol-section-title { font-size: clamp(1.5rem, 3vw, 2.25rem); color: #0B142B; margin-bottom: 0.75rem; }
.sol-section-desc { max-width: 38rem; font-size: 1.0625rem; color: #475569; margin-bottom: 2.5rem; line-height: 1.7; }

.sol-solution-block {
  border-radius: 1.5rem;
  border: 1px solid rgba(148,163,184,0.20);
  background: #F8FBFF;
  background-image:
    radial-gradient(ellipse 120% 90% at 100% 0%, rgba(56,189,248,0.07), transparent 55%);
  padding: 2.5rem;
  margin-bottom: 2.5rem;
}
.sol-solution-block .sol-why { font-size: 0.8125rem; color: #64748B; line-height: 1.7; margin-bottom: 1.5rem; }

.sol-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.sol-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
@media (max-width: 900px) { .sol-grid-3 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 700px) { .sol-grid-2, .sol-grid-3 { grid-template-columns: 1fr; } }

.sol-btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: linear-gradient(135deg, #38BDF8 0%, #60A5FA 100%);
  color: #FFFFFF; font-weight: 700; padding: 0.875rem 2rem;
  border-radius: 0.5rem; font-size: 0.9375rem; border: none; cursor: pointer;
  transition: all 0.2s; box-shadow: 0 12px 32px -12px rgba(56,189,248,0.5);
}
.sol-btn:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -12px rgba(56,189,248,0.55); }
.sol-btn-ghost {
  display: inline-flex; align-items: center; gap: 0.5rem;
  border: 1px solid rgba(96,165,250,0.45); color: #0369A1; font-weight: 600;
  padding: 0.875rem 2rem; border-radius: 0.5rem; font-size: 0.9375rem; cursor: pointer;
  background: rgba(96,165,250,0.05); transition: all 0.2s;
}
.sol-btn-ghost:hover { background: rgba(96,165,250,0.12); transform: translateY(-2px); }

.sol-page .sol-cap0 { padding: 2rem 0 4rem; }
.sol-analogy { text-align: center; padding: 1.5rem; }
.sol-analogy h3 { color: #0284C7; font-size: 1rem; margin-bottom: 0.5rem; }
.sol-analogy p { font-size: 0.8125rem; color: #475569; line-height: 1.7; }

.sol-cta { text-align: center; padding: 4rem 0; }
.sol-cta .sol-cta-box {
  border-radius: 1.5rem; padding: 3rem 2rem; max-width: 44rem; margin: 0 auto;
  background: #FFFFFF;
  border: 1px solid rgba(56,189,248,0.30);
  box-shadow: 0 24px 60px -24px rgba(56,189,248,0.30);
  background-image:
    radial-gradient(circle at 1px 1px, rgba(56,189,248,0.10) 1px, transparent 1px),
    radial-gradient(ellipse 120% 80% at 50% 115%, rgba(96,165,250,0.08), transparent 60%);
  background-size: 24px 24px, 100% 100%;
  background-position: 0 0, 0 0;
  background-repeat: repeat, no-repeat;
}

/* Blue gradient footer for light pages */
.sol-page .footer,
.sol-lite .footer {
  background: linear-gradient(160deg, #075985 0%, #1D4ED8 55%, #312E81 100%);
  color: #FFFFFF;
  border-top: none;
  margin-top: 0;
}
.sol-page .footer h4,
.sol-lite .footer h4,
.sol-page .footer ul li a,
.sol-lite .footer ul li a,
.sol-page .footer-brand p,
.sol-lite .footer-brand p {
  color: rgba(255, 255, 255, 0.78);
}
.sol-page .footer ul li a:hover,
.sol-lite .footer ul li a:hover { color: #38BDF8; }
.sol-page .footer .footer-bottom,
.sol-lite .footer .footer-bottom { border-top-color: rgba(255, 255, 255, 0.18); }
.sol-page .footer .footer-bottom,
.sol-lite .footer .footer-bottom,
.sol-page .footer-bottom-links a,
.sol-lite .footer-bottom-links a { color: rgba(255, 255, 255, 0.78); }
.sol-page .footer .footer-brand p:last-child,
.sol-lite .footer .footer-brand p:last-child { color: #7DD3FC; }
.sol-page .footer .nav-logo .logo-text,
.sol-lite .footer .nav-logo .logo-text {
  background: linear-gradient(135deg, #FFFFFF 30%, #7DD3FC 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* --- Generic light-page theme (Labs, Recursos, secciones claras) --- */
.sol-lite { background: #FFFFFF; color: #0B142B; }
.sol-lite .page-header h1 { color: #0B142B; }
.sol-lite .page-header p { color: #475569; }
.sol-lite .section-label { color: #0284C7; }
.sol-lite .section-title { color: #0B142B; }
.sol-lite .section-desc { color: #475569; }
.sol-lite p { color: #475569; }
.sol-lite .text-muted { color: #64748B !important; }
.sol-lite .text-secondary { color: #475569 !important; }
.sol-lite .glass-card { background: rgba(255,255,255,0.92); border: 1px solid rgba(148,163,184,0.22); box-shadow: 0 10px 30px -18px rgba(15,23,42,0.18); }
.sol-lite .glass-card h3, .sol-lite .glass-card h4 { color: #0B142B; }
.sol-lite .glass-card p { color: #475569; }
.sol-lite .project-tag { color: #0B142B !important; }
.sol-lite .gradient-text { background: linear-gradient(135deg, #0EA5E9 0%, #6366F1 100%) !important; -webkit-background-clip: text !important; background-clip: text !important; -webkit-text-fill-color: transparent !important; }
.sol-lite .hero-badge { border-color: rgba(56,189,248,0.25); background: rgba(56,189,248,0.06); color: #0284C7 !important; }
.sol-lite .btn-ghost { border-color: rgba(96,165,250,0.5); color: #0369A1; background: rgba(96,165,250,0.05); }
.sol-lite .btn-ghost:hover { background: rgba(96,165,250,0.12); }
.sol-lite .announce-bar { border-color: rgba(56,189,248,0.15); background: rgba(56,189,248,0.05); }
.sol-lite .vision-step, .sol-lite .pub-card { background: #FFFFFF; border-color: rgba(148,163,184,0.22); box-shadow: 0 10px 30px -18px rgba(15,23,42,0.18); }
.sol-lite .vision-step h4, .sol-lite .pub-card h4 { color: #0B142B; }
.sol-lite .vision-step p, .sol-lite .pub-card p, .sol-lite .pub-card .meta { color: #475569; }
.sol-lite .step-num { background: rgba(56,189,248,0.14) !important; color: #0284C7 !important; border-color: rgba(56,189,248,0.3) !important; }
.sol-lite .gea-chat { background: #FFFFFF; border-color: rgba(148,163,184,0.22); }
.sol-lite .gea-chat-input input { background: #F8FAFC; border-color: rgba(148,163,184,0.35); color: #0B142B; }
.sol-lite .gea-orb-status { color: #64748B; }
.sol-lite .rec-card { background: #FFFFFF; border-color: rgba(148,163,184,0.22); box-shadow: 0 10px 30px -18px rgba(15,23,42,0.18); }
.sol-lite .rec-card h3, .sol-lite .recursos-section h2 { color: #0B142B; }
.sol-lite .rec-card p, .sol-lite .recursos-section > p { color: #475569; }
.sol-lite .rec-meta { color: #64748B; }
.sol-lite .badge-resource { border-color: rgba(56,189,248,0.25); background: rgba(56,189,248,0.06); color: #0284C7; }

/* --- Blue band sections (intercalado labs/recursos) --- */
.sol-band-blue {
  background-image: radial-gradient(ellipse 120% 100% at 100% 0%, rgba(56,189,248,0.18) 0%, transparent 55%), linear-gradient(180deg, #FFFFFF 0%, #EAF4FF 100%);
  padding: 4.5rem 0;
  border-top: 1px solid rgba(56,189,248,0.18);
  border-bottom: 1px solid rgba(56,189,248,0.18);
}
.sol-band-blue .section-label { color: #0284C7; }
.sol-band-blue .section-title { color: #0B142B; }
.sol-band-blue h3 { color: #0B142B; }
.sol-band-blue p { color: #475569; }
.sol-band-blue .glass-card { background: rgba(255,255,255,0.92); border: 1px solid rgba(148,163,184,0.22); box-shadow: 0 10px 30px -18px rgba(15,23,42,0.18); }
.sol-band-blue .glass-card p { color: #475569; }
.sol-band-blue .glass-card h3, .sol-band-blue .glass-card h4 { color: #0B142B; }
.sol-band-blue .gradient-text { background: linear-gradient(135deg, #0EA5E9 0%, #6366F1 100%) !important; -webkit-background-clip: text !important; background-clip: text !important; -webkit-text-fill-color: transparent !important; }
@media (max-width: 768px) { .sol-band-blue { padding: 2.5rem 0; } }

/* --- GeaLeza background section (labs) --- */
.gea-bg-section { position: relative; overflow: hidden; background: radial-gradient(ellipse 90% 80% at 20% 40%, rgba(56,189,248,0.14) 0%, transparent 60%), radial-gradient(circle at 85% 80%, rgba(99,102,241,0.10) 0%, transparent 55%), linear-gradient(180deg, #EAF4FF 0%, #FFFFFF 100%) !important; }
.gea-bg-section::before { content: ''; position: absolute; inset: 0; background: url('../img/gea-bg.webp') center/cover no-repeat; opacity: 0.34; pointer-events: none; z-index: 0; }
.gea-bg-section::after { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 75% 60% at 50% 45%, transparent 32%, rgba(255,255,255,0.55) 100%); pointer-events: none; z-index: 0; }
.gea-bg-section > .container { position: relative; z-index: 1; }
@media (max-width: 768px) { .gea-bg-section::before { opacity: 0.24; } }

/* --- Language switcher --- */
.nav-lang { display:inline-flex; align-items:center; justify-content:center; min-width:2.25rem; padding:0.375rem 0.625rem; margin-left:0.35rem; border:1px solid var(--border); border-radius:0.5rem; font-size:0.75rem; font-weight:700; letter-spacing:0.06em; color:var(--text-muted); text-decoration:none; transition:all 0.2s; }
.nav-lang:hover { border-color:var(--gold-dim); color:var(--gold); background:rgba(212,175,55,0.08); }
.nav-links.open .nav-lang { margin-left:0; margin-top:0.75rem; }
.nav-cta + .nav-lang { margin-left:0.5rem; }
.dropdown-all { border-bottom: 1px solid var(--border); margin-bottom: 0.5rem; padding-bottom: 0.75rem !important; }
.dropdown-all strong { color: var(--indigo); }
.dropdown-all:hover strong { color: var(--gold); }