/* ayudaconnect Static Site Scaffold — base.css v1.0 */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
ul, ol { list-style: none; }

:root {
  --bg: #0f0f0f; --bg-elev: #161616; --bg-card: #1e1e1e;
  --ink: #f2f0eb; --ink-soft: #b8b4ac; --ink-mute: #6e6a63;
  --accent: #66ccff; --accent-2: #575ecf;
  --border: rgba(255,255,255,0.08);
  --font-display: 'Inter Tight', 'Montserrat', system-ui, sans-serif;
  --font-body: 'Inter', 'Open Sans', system-ui, sans-serif;
  --section-pad: clamp(60px, 8vw, 120px);
  --section-pad-x: clamp(20px, 5vw, 80px);
  --card-pad: clamp(24px, 3vw, 40px);
  --radius: 12px; --radius-lg: 20px;
  --text-xs:   clamp(0.7rem,   1vw,   0.8rem);
  --text-sm:   clamp(0.875rem, 1.2vw, 1rem);
  --text-base: clamp(1rem,     1.4vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1.6vw, 1.375rem);
  --text-xl:   clamp(1.375rem, 2vw,   1.75rem);
  --text-2xl:  clamp(1.75rem,  3vw,   2.5rem);
  --text-3xl:  clamp(2.25rem,  4.5vw, 3.5rem);
  --text-4xl:  clamp(2.75rem,  6vw,   5rem);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --duration: 0.4s;
}

body { background: var(--bg); color: var(--ink); font-family: var(--font-body); font-size: var(--text-base); line-height: 1.7; -webkit-font-smoothing: antialiased; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 var(--section-pad-x); }
.container--narrow { max-width: 860px; }
.section { padding: var(--section-pad) 0; }
.section--alt { background: var(--bg-elev); }

.gradient-text { background: linear-gradient(135deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.eyebrow { display: inline-block; font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: var(--accent); margin-bottom: 0.75rem; }
.section-heading { font-family: var(--font-display); font-size: var(--text-3xl); font-weight: 800; line-height: 1.1; letter-spacing: -0.03em; color: var(--ink); margin-bottom: 1.25rem; }
.section-sub { font-size: var(--text-lg); color: var(--ink-soft); max-width: 600px; line-height: 1.6; }

.btn { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.875rem 2rem; border-radius: 999px; font-weight: 700; font-size: var(--text-sm); letter-spacing: 0.02em; transition: transform var(--duration) var(--ease-out), box-shadow var(--duration) var(--ease-out); }
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; box-shadow: 0 4px 24px rgba(102,204,255,0.25); }
.btn--primary:hover { box-shadow: 0 8px 32px rgba(102,204,255,0.4); }
.btn--ghost { border: 1.5px solid var(--border); color: var(--ink); background: transparent; }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }

.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; padding: 1rem var(--section-pad-x); display: flex; align-items: center; justify-content: space-between; background: rgba(15,15,15,0.85); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); transition: background var(--duration); }
.nav__logo { font-family: var(--font-display); font-weight: 800; font-size: var(--text-lg); color: var(--ink); }
.nav__links { display: flex; gap: 2rem; align-items: center; }
.nav__links a { font-size: var(--text-sm); font-weight: 500; color: var(--ink-soft); transition: color var(--duration); }
.nav__links a:hover { color: var(--accent); }
.nav__cta { margin-left: 1rem; }
.nav__hamburger { display: none; flex-direction: column; gap: 5px; width: 24px; }
.nav__hamburger span { display: block; height: 2px; background: var(--ink); border-radius: 2px; transition: all var(--duration) var(--ease-out); }
.nav__mobile { display: none; position: fixed; inset: 0; z-index: 99; background: var(--bg); flex-direction: column; align-items: center; justify-content: center; gap: 2.5rem; }
.nav__mobile.open { display: flex; }
.nav__mobile a { font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 700; color: var(--ink); }

.hero { min-height: 100svh; display: flex; align-items: center; padding: calc(var(--section-pad) + 80px) var(--section-pad-x) var(--section-pad); position: relative; overflow: hidden; }
.hero__bg { position: absolute; inset: 0; object-fit: cover; width: 100%; height: 100%; opacity: 0.35; z-index: 0; }
.hero__overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15,15,15,0.7) 0%, rgba(15,15,15,0.4) 50%, rgba(15,15,15,0.8) 100%); z-index: 1; }
.hero__content { position: relative; z-index: 2; max-width: 720px; }
.hero__title { font-family: var(--font-display); font-size: var(--text-4xl); font-weight: 900; line-height: 1.05; letter-spacing: -0.04em; color: var(--ink); margin-bottom: 1.5rem; }
.hero__sub { font-size: var(--text-xl); color: var(--ink-soft); line-height: 1.5; margin-bottom: 2.5rem; max-width: 540px; }
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.marquee { overflow: hidden; background: var(--bg-elev); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 1rem 0; }
.marquee__track { display: flex; gap: 3rem; white-space: nowrap; animation: marquee 28s linear infinite; }
.marquee__item { font-size: var(--text-sm); font-weight: 600; color: var(--ink-mute); letter-spacing: 0.05em; text-transform: uppercase; flex-shrink: 0; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

.services__bento { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1.5rem; margin-top: 3.5rem; }
.services__grid  { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; margin-top: 3.5rem; }
.card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--card-pad); transition: border-color var(--duration), transform var(--duration) var(--ease-out); overflow: hidden; }
.card:hover { border-color: rgba(102,204,255,0.3); transform: translateY(-4px); }
.card__img { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: var(--radius); margin-bottom: 1.5rem; }
.card__icon { font-size: 2rem; margin-bottom: 1.25rem; }
.card__title { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 700; color: var(--ink); margin-bottom: 0.75rem; }
.card__body { font-size: var(--text-sm); color: var(--ink-soft); line-height: 1.7; }
.card--featured { background: linear-gradient(135deg, rgba(102,204,255,0.12), rgba(87,94,207,0.12)); border-color: rgba(102,204,255,0.2); }
.bento-3 { grid-column: span 3; } .bento-4 { grid-column: span 4; } .bento-6 { grid-column: span 6; } .bento-8 { grid-column: span 8; } .bento-12 { grid-column: span 12; }

.stats__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 2rem; text-align: center; }
.stat__number { font-family: var(--font-display); font-size: var(--text-4xl); font-weight: 900; line-height: 1; background: linear-gradient(135deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat__label { margin-top: 0.5rem; font-size: var(--text-sm); color: var(--ink-soft); font-weight: 500; }

.about__split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 100px); align-items: center; }
.about__img { border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4/5; object-fit: cover; width: 100%; }
.about__list { display: flex; flex-direction: column; gap: 1.25rem; margin-top: 2rem; }
.about__item { display: flex; gap: 1rem; align-items: flex-start; }
.about__item-icon { width: 36px; height: 36px; border-radius: 8px; background: rgba(102,204,255,0.12); display: flex; align-items: center; justify-content: center; font-size: 1rem; flex-shrink: 0; }
.about__item-text { font-size: var(--text-sm); color: var(--ink-soft); }

.testimonials__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; margin-top: 3.5rem; }
.testimonial { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--card-pad); }
.testimonial__stars { color: #f59e0b; font-size: var(--text-base); margin-bottom: 1rem; }
.testimonial__body { font-size: var(--text-base); color: var(--ink-soft); font-style: italic; line-height: 1.7; margin-bottom: 1.5rem; }
.testimonial__author { display: flex; align-items: center; gap: 0.875rem; }
.testimonial__name { font-weight: 700; font-size: var(--text-sm); color: var(--ink); }
.testimonial__role { font-size: var(--text-xs); color: var(--ink-mute); }

.faq__list { max-width: 760px; margin: 3rem auto 0; display: flex; flex-direction: column; gap: 1rem; }
.faq__item { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.faq__question { width: 100%; text-align: left; padding: 1.25rem 1.5rem; font-weight: 600; font-size: var(--text-base); color: var(--ink); display: flex; justify-content: space-between; align-items: center; gap: 1rem; transition: color var(--duration); }
.faq__question:hover { color: var(--accent); }
.faq__question::after { content: '+'; font-size: 1.5rem; font-weight: 300; color: var(--accent); transition: transform var(--duration) var(--ease-out); flex-shrink: 0; }
.faq__item.open .faq__question::after { transform: rotate(45deg); }
.faq__answer { max-height: 0; overflow: hidden; transition: max-height 0.4s var(--ease-out), padding 0.3s; padding: 0 1.5rem; font-size: var(--text-sm); color: var(--ink-soft); line-height: 1.75; }
.faq__item.open .faq__answer { max-height: 400px; padding: 0 1.5rem 1.25rem; }

.cta-banner { background: linear-gradient(135deg, var(--accent-2) 0%, var(--accent) 100%); padding: var(--section-pad) var(--section-pad-x); text-align: center; }
.cta-banner__title { font-family: var(--font-display); font-size: var(--text-3xl); font-weight: 900; color: #fff; letter-spacing: -0.03em; line-height: 1.1; margin-bottom: 1rem; }
.cta-banner__sub { font-size: var(--text-lg); color: rgba(255,255,255,0.85); margin-bottom: 2.5rem; max-width: 520px; margin-left: auto; margin-right: auto; }

.footer { background: var(--bg-elev); border-top: 1px solid var(--border); padding: clamp(40px, 6vw, 80px) var(--section-pad-x) 2rem; }
.footer__grid { display: grid; grid-template-columns: 2fr repeat(auto-fit, minmax(140px, 1fr)); gap: 3rem; margin-bottom: 3rem; }
.footer__brand-name { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 800; color: var(--ink); margin-bottom: 0.75rem; }
.footer__tagline { font-size: var(--text-sm); color: var(--ink-mute); line-height: 1.6; max-width: 240px; }
.footer__col-title { font-size: var(--text-sm); font-weight: 700; color: var(--ink); margin-bottom: 1.25rem; letter-spacing: 0.05em; text-transform: uppercase; }
.footer__links { display: flex; flex-direction: column; gap: 0.75rem; }
.footer__links a { font-size: var(--text-sm); color: var(--ink-mute); transition: color var(--duration); }
.footer__links a:hover { color: var(--accent); }
.footer__bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 2rem; border-top: 1px solid var(--border); font-size: var(--text-xs); color: var(--ink-mute); flex-wrap: wrap; gap: 1rem; }
.footer__attribution a { color: var(--accent); }

.float-call { position: fixed; bottom: 2rem; right: 2rem; z-index: 90; display: flex; align-items: center; gap: 0.75rem; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; font-weight: 700; font-size: var(--text-sm); padding: 0.875rem 1.5rem; border-radius: 999px; box-shadow: 0 8px 32px rgba(102,204,255,0.35); transition: transform var(--duration) var(--ease-out), box-shadow var(--duration) var(--ease-out); }
.float-call:hover { transform: translateY(-3px) scale(1.03); box-shadow: 0 12px 40px rgba(102,204,255,0.5); }
.float-call__pulse { width: 10px; height: 10px; border-radius: 50%; background: #fff; animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.5); opacity: 0.5; } }

.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

@media (max-width: 900px) {
  .nav__links, .nav__cta { display: none; }
  .nav__hamburger { display: flex; }
  .about__split { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__grid > :first-child { grid-column: 1 / -1; }
  .services__bento > * { grid-column: span 12 !important; }
}
@media (max-width: 600px) {
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { justify-content: center; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; text-align: center; }
  .float-call span:not(.float-call__pulse) { display: none; }
  .float-call { padding: 1rem; border-radius: 50%; }
}