/* Custom CSS for Revolucion Tech */

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-bg-dark: #0f172a;
  --color-text: #334155;
  --color-text-dark: #0f172a;
  --color-text-light: #f8fafc;
  --color-primary: #0284c7;
  --color-primary-hover: #0369a1;
  --color-secondary: #0f172a;
  --color-accent: #0ea5e9;
  --color-success: #10b981;
  --color-error: #ef4444;
  --color-border: #e2e8f0;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { font-family: var(--font-sans); color: var(--color-text); background-color: var(--color-bg); line-height: 1.6; font-size: 16px; -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4, h5, h6 { color: var(--color-text-dark); font-weight: 700; line-height: 1.2; margin-bottom: var(--space-sm); }
h1 { font-size: 3rem; letter-spacing: -0.02em; }
h2 { font-size: 2.25rem; letter-spacing: -0.01em; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
p { margin-bottom: var(--space-sm); }
a { color: var(--color-primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--color-primary-hover); }
img, svg { max-width: 100%; height: auto; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 var(--space-md); }
.text-center { text-align: center; }
.text-left { text-align: left; }
.bg-light { background-color: var(--color-bg-alt); }
.bg-dark { background-color: var(--color-bg-dark); }
.text-light { color: var(--color-text-light); }
.text-light h1, .text-light h2, .text-light h3, .text-light h4 { color: var(--color-text-light); }
.mt-l { margin-top: var(--space-lg); }

.eyebrow { display: inline-block; font-size: 0.875rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-primary); margin-bottom: var(--space-sm); }

.grid { display: grid; gap: var(--space-md); }
.grid-2 { grid-template-columns: repeat(1, 1fr); }
.grid-3 { grid-template-columns: repeat(1, 1fr); }
.align-center { align-items: center; }
@media (min-width: 768px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } .grid-3 { grid-template-columns: repeat(3, 1fr); } }

.btn { display: inline-flex; align-items: center; justify-content: center; padding: 0.75rem 1.5rem; font-weight: 500; border-radius: var(--radius-sm); cursor: pointer; transition: all 0.2s; border: 2px solid transparent; font-size: 1rem; }
.btn:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.btn-primary { background-color: var(--color-primary); color: #fff; }
.btn-primary:hover { background-color: var(--color-primary-hover); color: #fff; }
.btn-secondary { background-color: var(--color-secondary); color: #fff; }
.btn-secondary:hover { background-color: #1e293b; color: #fff; }
.btn-outline { background-color: transparent; border-color: var(--color-border); color: var(--color-text-dark); }
.btn-outline:hover { border-color: var(--color-text-dark); }
.btn-block { width: 100%; }

.navbar { position: fixed; top: 0; left: 0; right: 0; background-color: rgba(255, 255, 255, 0.95); backdrop-filter: blur(8px); border-bottom: 1px solid var(--color-border); z-index: 1000; height: 80px; display: flex; align-items: center; transition: all 0.3s ease; }
.nav-container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.25rem; font-weight: 700; color: var(--color-text-dark); letter-spacing: -0.02em; }
.logo span { color: var(--color-primary); font-weight: 500; }
.nav-links { display: none; }
.nav-links a { color: var(--color-text); font-weight: 500; font-size: 0.9rem; }
.nav-links a:hover, .nav-links a.active { color: var(--color-primary); }
.menu-toggle { background: none; border: none; cursor: pointer; color: var(--color-text-dark); display: block; }
@media (min-width: 992px) { .menu-toggle { display: none; } .nav-links { display: flex; align-items: center; gap: 2rem; } }
.nav-links.is-open { display: flex; flex-direction: column; position: absolute; top: 80px; left: 0; right: 0; background: #fff; padding: var(--space-md); border-bottom: 1px solid var(--color-border); box-shadow: var(--shadow-md); gap: 1.5rem; }

section { padding: var(--space-xl) 0; }
.section-header { max-width: 800px; margin-bottom: var(--space-lg); }
.text-center.section-header { margin-left: auto; margin-right: auto; }

.hero { position: relative; padding-top: calc(80px + var(--space-xl)); min-height: 90vh; display: flex; align-items: center; overflow: hidden; }
.hero-bg { position: absolute; top: -10%; left: -10%; width: 120%; height: 120%; background-size: cover; background-position: center; background-repeat: no-repeat; z-index: -2; animation: ken-burns 20s ease-out alternate infinite; }
.hero-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(90deg, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.8) 50%, rgba(15, 23, 42, 0.3) 100%); z-index: -1; }
@keyframes ken-burns { 0% { transform: scale(1) translate(0, 0); } 100% { transform: scale(1.05) translate(-1.5%, -1.5%); } }
.relative-container { position: relative; z-index: 1; }
.has-animated-bg { position: relative; overflow: hidden; background-color: transparent !important; }
.section-bg { position: absolute; top: -10%; left: -10%; width: 120%; height: 120%; background-size: cover; background-position: center; background-repeat: no-repeat; z-index: -2; animation: ken-burns 30s ease-in-out alternate infinite; pointer-events: none; }
.section-overlay-dark { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(15, 23, 42, 0.88); z-index: -1; pointer-events: none; }
.section-overlay-light { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(248, 250, 252, 0.92); z-index: -1; pointer-events: none; }
.hero-content { max-width: 800px; }
.hero h1 { color: #ffffff; }
.hero-subheadline { font-size: 1.25rem; color: #e2e8f0; margin-bottom: var(--space-md); max-width: 650px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: var(--space-lg); }
.hero-proof { list-style: none; display: flex; flex-wrap: wrap; gap: 1.5rem; color: #cbd5e1; font-weight: 500; font-size: 0.9rem; }
.hero-proof li { display: flex; align-items: center; gap: 0.5rem; }
.hero-proof svg { color: var(--color-success); }

.card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: var(--space-md); transition: transform 0.2s, box-shadow 0.2s; height: 100%; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card-icon { width: 40px; height: 40px; background: var(--color-bg-alt); color: var(--color-primary); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; margin-bottom: var(--space-sm); border: 1px solid var(--color-border); }

.outcomes-banner { background: var(--color-bg-alt); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: var(--space-md); text-align: center; }
.outcomes-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; margin-top: var(--space-sm); font-weight: 600; color: var(--color-text-dark); }

.initiative-card { display: flex; flex-direction: column; }
.domain { font-family: monospace; font-size: 0.85rem; color: var(--color-primary); background: #f0f9ff; padding: 0.25rem 0.5rem; border-radius: var(--radius-sm); align-self: flex-start; margin-bottom: var(--space-sm); }
.link-arrow { margin-top: auto; font-weight: 600; display: inline-flex; align-items: center; gap: 0.25rem; }
.link-arrow span { transition: transform 0.2s; }
.link-arrow:hover span { transform: translateX(4px); }

.use-cases { position: relative; overflow: hidden; }
.use-case-list { list-style: none; }
.use-case-list li { padding: 0.75rem 0; border-bottom: 1px solid rgba(255,255,255,0.1); display: flex; align-items: flex-start; }
.use-case-list li::before { content: "→"; color: var(--color-accent); margin-right: 1rem; font-weight: bold; }
.use-cases-graphic { position: relative; }
.use-cases-image { width: 100%; height: auto; aspect-ratio: 4/3; object-fit: cover; border-radius: var(--radius-lg); border: 1px solid rgba(255,255,255,0.15); box-shadow: 0 20px 40px -10px rgba(0,0,0,0.3); }

.sustainability-box { background: linear-gradient(135deg, #f0fdf4 0%, #ffffff 100%); border: 1px solid #dcfce7; border-radius: var(--radius-lg); padding: var(--space-lg); box-shadow: var(--shadow-md); }
.sustainability-content { max-width: 800px; }
.sustainability-content p { font-size: 1.1rem; margin-bottom: 1.5rem; }

.timeline { display: flex; flex-direction: column; gap: 2rem; position: relative; max-width: 800px; margin: 0 auto; }
.timeline::before { content: ''; position: absolute; top: 0; bottom: 0; left: 11px; width: 2px; background: var(--color-border); }
.timeline-item { position: relative; padding-left: 3rem; }
.timeline-dot { position: absolute; left: 0; top: 6px; width: 24px; height: 24px; background: #fff; border: 4px solid var(--color-primary); border-radius: 50%; }
.security-banner { background: var(--color-bg-dark); color: var(--color-text-light); border-radius: var(--radius-md); padding: var(--space-lg); }
.security-banner h3 { color: #fff; }
.testimonial { background: rgba(255,255,255,0.05); padding: var(--space-md); border-radius: var(--radius-sm); border-left: 4px solid var(--color-accent); }
.testimonial blockquote { font-size: 1.1rem; font-style: italic; margin-bottom: 1rem; }
.testimonial cite { font-size: 0.9rem; color: #94a3b8; }

.contact-wrapper { display: grid; gap: var(--space-lg); }
@media (min-width: 992px) { .contact-wrapper { grid-template-columns: 1fr 1fr; align-items: center; } }
.contact-form-container { background: #fff; padding: var(--space-md); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); border: 1px solid var(--color-border); }
.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; font-weight: 500; margin-bottom: 0.5rem; color: var(--color-text-dark); }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 0.75rem; border: 1px solid var(--color-border); border-radius: var(--radius-sm); font-family: inherit; font-size: 1rem; transition: border-color 0.2s; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.1); }
.error-msg { display: none; color: var(--color-error); font-size: 0.85rem; margin-top: 0.25rem; }
.form-group.has-error input, .form-group.has-error select { border-color: var(--color-error); }
.form-group.has-error .error-msg { display: block; }
.form-success { display: none; background: #dcfce7; color: #166534; padding: 1rem; border-radius: var(--radius-sm); margin-top: 1rem; font-weight: 500; text-align: center; }

.footer { background: var(--color-text-dark); color: #94a3b8; padding: var(--space-lg) 0 var(--space-md); }
.footer-top { display: grid; gap: var(--space-lg); margin-bottom: var(--space-lg); }
@media (min-width: 768px) { .footer-top { grid-template-columns: 2fr 1fr; } }
.footer .logo { color: #fff; margin-bottom: var(--space-sm); display: inline-block; }
.footer-links { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-links h4 { color: #fff; margin-bottom: 0.5rem; }
.footer-links a { color: #94a3b8; }
.footer-links a:hover { color: #fff; }
.footer-bottom { display: flex; flex-direction: column; gap: 1rem; border-top: 1px solid rgba(255,255,255,0.1); padding-top: var(--space-md); }
@media (min-width: 768px) { .footer-bottom { flex-direction: row; justify-content: space-between; align-items: center; flex-wrap: wrap; } }
.footer-legal-link { color: #94a3b8; font-size: 0.9rem; }
.footer-legal-link:hover { color: #fff; }