/* =========================================================
   JORGE DÍAZ — SITIO PROFESIONAL
   main.css — Variables, Reset, Layout, Tipografía, SEO base
   ========================================================= */

/* --- Google Fonts cargadas via preload en HTML --- */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800&family=Roboto:wght@300;400;500&display=swap');

/* ---- VARIABLES ---- */
:root {
  --bg:           #0D0D0D;
  --surface:      #141414;
  --surface-2:    #1C1C1C;
  --border:       #2A2A2A;
  --accent:       #F20505;
  --accent-dark:  #C00404;
  --text:         #F5F5F5;
  --text-muted:   #9CA3AF;
  --text-dim:     #6B7280;

  --font-head:    'Montserrat', sans-serif;
  --font-body:    'Roboto', sans-serif;

  --radius:       8px;
  --radius-lg:    16px;
  --shadow:       0 4px 24px rgba(0,0,0,.45);
  --shadow-red:   0 0 32px rgba(242,5,5,.18);

  --max-w:        1200px;
  --section-py:   96px;
  --nav-h:        72px;

  --transition:   .25s ease;
  --bg-nav:       rgba(13,13,13,.95);
  --logo:         url('/assets/img/logo-white.png');
}

/* ---- LIGHT MODE ---- */
[data-theme="light"] {
  --bg:        #FFFFFF;
  --surface:   #F5F5F5;
  --surface-2: #EBEBEB;
  --border:    #E0E0E0;
  --text:      #111111;
  --text-muted:#4B5563;
  --text-dim:  #9CA3AF;
  --accent:    #F20505;
  --accent-dim:#CC0000;
  --bg-nav:    rgba(255,255,255,.95);
  --logo:      url('/assets/img/logo-black.png');
}

[data-theme="light"] #siteLogo {
  filter: brightness(0);
}

/* ---- RESET ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---- LAYOUT ---- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: 24px;
}
section { padding-block: var(--section-py); }
.section-header { text-align: center; margin-bottom: 64px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ---- TIPOGRAFÍA ---- */
h1, h2, h3, h4 { font-family: var(--font-head); font-weight: 700; line-height: 1.15; }
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
h4 { font-size: 1.1rem; }
p { color: var(--text-muted); line-height: 1.75; }
.text-accent  { color: var(--accent); }
.text-muted   { color: var(--text-muted); }
.text-center  { text-align: center; }
.text-small   { font-size: .875rem; }
.fw-600       { font-weight: 600; }

/* ---- BADGE / TAG ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 100px;
  font-size: .8rem;
  font-weight: 600;
  font-family: var(--font-head);
  letter-spacing: .04em;
  text-transform: uppercase;
}
.badge-accent {
  background: rgba(242,5,5,.12);
  color: var(--accent);
  border: 1px solid rgba(242,5,5,.25);
}
.badge-muted {
  background: var(--surface-2);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

/* ---- BOTONES ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: .95rem;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-red);
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}
.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  padding-inline: 0;
}
.btn-ghost:hover { color: var(--accent); }
.btn-lg { padding: 18px 36px; font-size: 1rem; }
.btn-sm { padding: 10px 20px; font-size: .85rem; }

/* ---- NAVEGACIÓN ---- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  display: flex;
  align-items: center;
  transition: background var(--transition), box-shadow var(--transition);
}
.nav.scrolled {
  background: var(--bg-nav);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav__logo img {
  height: 36px;
  width: auto;
  filter: brightness(0) invert(1);
}
.nav__logo-text {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
}
.nav__logo-text span { color: var(--accent); }
.nav__links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav__link {
  padding: 8px 14px;
  border-radius: var(--radius);
  font-family: var(--font-head);
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
}
.nav__link:hover { color: var(--text); background: var(--surface); }
.nav__lang {
  padding: 7px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  font-size: .8rem;
  font-weight: 600;
  color: var(--text-muted);
  font-family: var(--font-head);
  transition: var(--transition);
}
.nav__lang:hover { border-color: var(--accent); color: var(--accent); }
#themeBtn { min-width: 36px; padding: 6px; display: inline-flex; align-items: center; justify-content: center; }
.nav__cta { margin-left: 8px; }
.nav__hamburger { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav__hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--text); border-radius: 2px;
  transition: var(--transition);
}

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  position: relative;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(242,5,5,.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero__grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}
.hero__content {
  position: relative;
  max-width: 800px;
  margin-inline: auto;
  text-align: center;
  padding-block: 80px;
}
.hero__badge { margin-bottom: 24px; }
.hero__title {
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--text) 60%, var(--text-muted));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-muted);
  margin-bottom: 48px;
  max-width: 560px;
  margin-inline: auto;
}
.hero__ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}
.hero__scroll {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-dim);
  font-size: .8rem;
  font-family: var(--font-head);
  font-weight: 500;
  letter-spacing: .06em;
  text-transform: uppercase;
  animation: bounce 2s ease infinite;
}
.hero__scroll-line {
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(6px); }
}

/* ---- TRUST BAR ---- */
.trust { border-block: 1px solid var(--border); background: var(--surface); }
.trust__logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.trust__logo-chip {
  padding: 8px 20px;
  border-radius: 100px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  font-size: .85rem;
  font-weight: 600;
  font-family: var(--font-head);
  color: var(--text-muted);
  transition: var(--transition);
}
.trust__logo-chip:hover { border-color: var(--accent); color: var(--text); }
.trust__stats { display: flex; justify-content: center; gap: 64px; flex-wrap: wrap; }
.trust__stat { text-align: center; }
.trust__stat-value {
  font-family: var(--font-head);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 6px;
}
.trust__stat-label { font-size: .875rem; color: var(--text-muted); }

/* ---- AUDIENCES ---- */
.audiences__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.audience-card {
  padding: 48px 40px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.audience-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s ease;
}
.audience-card:hover::before { transform: scaleX(1); }
.audience-card:hover { border-color: rgba(242,5,5,.3); transform: translateY(-4px); box-shadow: var(--shadow); }
.audience-card__tag { margin-bottom: 20px; }
.audience-card__title { margin-bottom: 16px; color: var(--text); }
.audience-card__desc { margin-bottom: 28px; }
.audience-card__points { margin-bottom: 36px; display: flex; flex-direction: column; gap: 12px; }
.audience-card__point {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: .95rem;
  color: var(--text-muted);
}
.audience-card__point::before {
  content: '';
  width: 18px; height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  background: var(--accent);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='M2 6l3 3 5-5' stroke='white' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

/* ---- SERVICIOS ---- */
.services { background: var(--surface); }
.service-card {
  padding: 36px 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg);
  transition: var(--transition);
}
.service-card:hover { border-color: rgba(242,5,5,.4); transform: translateY(-4px); box-shadow: var(--shadow); }
.service-card__icon {
  width: 52px; height: 52px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  background: rgba(242,5,5,.1);
  border: 1px solid rgba(242,5,5,.2);
}
.service-card__icon svg { width: 26px; height: 26px; color: var(--accent); }
.service-card__title { margin-bottom: 12px; color: var(--text); }
.service-card__desc { font-size: .95rem; }
.service-card__tabs {
  display: flex;
  gap: 4px;
  margin-block: 20px 16px;
  border-radius: var(--radius);
  background: var(--surface);
  padding: 4px;
}
.service-card__tab {
  flex: 1;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: .78rem;
  font-weight: 600;
  font-family: var(--font-head);
  color: var(--text-dim);
  transition: var(--transition);
  text-align: center;
}
.service-card__tab.active, .service-card__tab:hover {
  background: var(--accent);
  color: #fff;
}

/* ---- PORTAFOLIO ---- */
.portfolio-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface);
  overflow: hidden;
  transition: var(--transition);
}
.portfolio-card:hover { border-color: rgba(242,5,5,.35); transform: translateY(-4px); box-shadow: var(--shadow); }
.portfolio-card__header {
  padding: 28px 28px 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}
.portfolio-card__client {
  font-family: var(--font-head);
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--accent);
  margin-bottom: 8px;
}
.portfolio-card__year { font-size: .8rem; color: var(--text-dim); white-space: nowrap; }
.portfolio-card__body { padding: 16px 28px 0; }
.portfolio-card__title { font-size: 1.1rem; margin-bottom: 12px; color: var(--text); }
.portfolio-card__text { font-size: .9rem; }
.portfolio-card__result {
  margin: 20px 28px;
  padding: 14px 18px;
  border-radius: var(--radius);
  background: rgba(242,5,5,.07);
  border: 1px solid rgba(242,5,5,.18);
  display: flex;
  align-items: center;
  gap: 10px;
}
.portfolio-card__result-label { font-size: .75rem; font-weight: 600; color: var(--accent); font-family: var(--font-head); }
.portfolio-card__result-text { font-size: .9rem; color: var(--text); font-weight: 500; }
.portfolio-card__footer { padding: 0 28px 24px; }
.portfolio-card__tags { display: flex; flex-wrap: wrap; gap: 8px; }
.portfolio-card__tag {
  padding: 4px 12px;
  border-radius: 100px;
  font-size: .75rem;
  font-weight: 500;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-dim);
}

/* ---- FAQ ---- */
.faq__list { max-width: 720px; margin-inline: auto; display: flex; flex-direction: column; gap: 12px; }
.faq__item {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  overflow: hidden;
}
.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  text-align: left;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1rem;
  color: var(--text);
  transition: var(--transition);
}
.faq__question:hover { color: var(--accent); }
.faq__icon {
  width: 28px; height: 28px;
  flex-shrink: 0;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 1.2rem;
  transition: var(--transition);
  line-height: 1;
}
.faq__item.open .faq__icon {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  transform: rotate(45deg);
}
.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .35s ease;
}
.faq__answer-inner { padding: 0 24px 20px; font-size: .95rem; color: var(--text-muted); }
.faq__item.open .faq__answer { max-height: 400px; }

/* ---- CTA FINAL ---- */
.cta-section {
  background: var(--surface);
  border-block: 1px solid var(--border);
  text-align: center;
}
.cta-section__inner { max-width: 640px; margin-inline: auto; }
.cta-section__title { margin-bottom: 16px; }
.cta-section__subtitle { margin-bottom: 40px; }
.cta-section__btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---- FOOTER ---- */
.footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding-block: 64px 32px;
}
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 48px; margin-bottom: 56px; }
.footer__brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.footer__brand-logo img { height: 32px; filter: brightness(0) invert(1); }
.footer__tagline { font-size: .9rem; max-width: 260px; }
.footer__col-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text);
  margin-bottom: 20px;
}
.footer__links { display: flex; flex-direction: column; gap: 10px; }
.footer__link { font-size: .9rem; color: var(--text-muted); transition: var(--transition); }
.footer__link:hover { color: var(--accent); }
.footer__contact-item { display: flex; align-items: center; gap: 10px; font-size: .9rem; color: var(--text-muted); margin-bottom: 12px; }
.footer__contact-item svg { width: 16px; height: 16px; color: var(--accent); flex-shrink: 0; }
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  font-size: .85rem;
  color: var(--text-dim);
  flex-wrap: wrap;
  gap: 12px;
}

/* ---- WHATSAPP FLOAT ---- */
.whatsapp-float {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37,211,102,.4);
  z-index: 99;
  transition: transform var(--transition), box-shadow var(--transition);
}
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 6px 24px rgba(37,211,102,.55); }
.whatsapp-float svg { width: 28px; height: 28px; color: #fff; }

/* ---- ANIMACIONES DE ENTRADA ---- */
[data-aos] { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
[data-aos].visible { opacity: 1; transform: none; }
[data-aos-delay="100"] { transition-delay: .1s; }
[data-aos-delay="200"] { transition-delay: .2s; }
[data-aos-delay="300"] { transition-delay: .3s; }
[data-aos-delay="400"] { transition-delay: .4s; }

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  :root { --section-py: 64px; }
  .grid-2, .grid-3, .audiences__grid { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .nav__links { display: none; }
  .nav__links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    background: rgba(13,13,13,.98);
    backdrop-filter: blur(16px);
    padding: 24px;
    border-bottom: 1px solid var(--border);
    gap: 4px;
  }
  .nav__hamburger { display: flex; }
  .hero__ctas { flex-direction: column; align-items: center; }
  .trust__stats { gap: 40px; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; text-align: center; }
  .audience-card { padding: 32px 24px; }
}
@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
  .trust__logos { gap: 8px; }
  .trust__stat-value { font-size: 2.2rem; }
}