/*
Theme Name: NAU Academia
Theme URI: https://nau.siteecuador.com/
Author: SiteEcuador
Author URI: https://siteecuador.com/
Description: Sitio de dos rutas para NAU: acompañamiento académico y consultoría corporativa. Compatible con Tutor LMS y WooCommerce.
Version: 2.0.0
Requires at least: 6.2
Requires PHP: 7.4
Text Domain: nau-academia
*/

:root {
  --nau-navy: #0b2f5b;
  --nau-navy-deep: #071f3d;
  --nau-blue: #0869b2;
  --nau-sky: #eaf4fb;
  --nau-red: #e3131e;
  --nau-red-dark: #bd0e17;
  --nau-ink: #152234;
  --nau-muted: #5f6f82;
  --nau-line: #dce5ee;
  --nau-light: #f5f8fb;
  --nau-white: #fff;
  --nau-shadow: 0 20px 60px rgba(7, 31, 61, .12);
  --nau-radius: 22px;
  --nau-width: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--nau-ink);
  background: var(--nau-white);
  font-family: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
body.admin-bar .nau-header { top: 32px; }
a { color: var(--nau-blue); text-decoration-thickness: 1px; text-underline-offset: 3px; }
img { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; }
.nau-container { width: min(var(--nau-width), calc(100% - 40px)); margin-inline: auto; }
.nau-main { min-height: 60vh; }
.screen-reader-text {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.screen-reader-text:focus { position: fixed; z-index: 99999; top: 12px; left: 12px; width: auto; height: auto; padding: 12px 18px; clip: auto; background: #fff; }

/* Header */
.nau-header {
  position: sticky; top: 0; z-index: 900; background: rgba(255,255,255,.96);
  border-bottom: 1px solid rgba(11,47,91,.1); backdrop-filter: blur(12px);
}
.nau-header__inner { min-height: 86px; display: flex; align-items: center; gap: 28px; }
.nau-brand { display: flex; align-items: center; gap: 12px; color: var(--nau-navy); text-decoration: none; flex: 0 0 auto; }
.nau-brand img, .custom-logo-link img { width: 118px; height: 64px; object-fit: contain; }
.nau-brand__text { display: none; font-weight: 800; letter-spacing: .02em; }
.nau-nav { margin-left: auto; display: flex; align-items: center; gap: 25px; }
.nau-nav a { color: var(--nau-navy); text-decoration: none; font-size: .91rem; font-weight: 700; }
.nau-nav a:hover, .nau-nav a:focus { color: var(--nau-red); }
.nau-nav .nau-nav__cta { padding: 11px 17px; color: #fff; background: var(--nau-red); border-radius: 999px; }
.nau-nav .nau-nav__cta:hover { color: #fff; background: var(--nau-red-dark); }
.nau-branch-label { color: var(--nau-muted); font-size: .72rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.nau-menu-toggle { display: none; margin-left: auto; padding: 9px 12px; color: var(--nau-navy); background: #fff; border: 1px solid var(--nau-line); border-radius: 10px; font-weight: 800; }

/* Home traffic selector */
.nau-home { min-height: calc(100vh - 86px); background: linear-gradient(180deg,#fff 0%,#f4f8fc 100%); }
.nau-home__intro { max-width: 950px; margin: 0 auto; padding: 55px 0 28px; text-align: center; }
.nau-eyebrow { margin: 0 0 12px; color: var(--nau-red); font-size: .78rem; font-weight: 900; letter-spacing: .17em; text-transform: uppercase; }
.nau-home h1, .nau-hero h1 { margin: 0; color: var(--nau-navy-deep); font-size: clamp(2.2rem, 5vw, 4.65rem); line-height: 1.04; letter-spacing: -.045em; }
.nau-home__intro p { max-width: 780px; margin: 19px auto 0; color: var(--nau-muted); font-size: clamp(1rem, 1.8vw, 1.25rem); }
.nau-paths { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; padding: 10px 0 55px; }
.nau-path {
  position: relative; min-height: clamp(300px, 38vh, 390px); display: flex; align-items: flex-end; overflow: hidden;
  border-radius: 28px; box-shadow: var(--nau-shadow); color: #fff; text-decoration: none;
  isolation: isolate; transition: transform .25s ease, box-shadow .25s ease;
}
.nau-path:hover, .nau-path:focus-visible { transform: translateY(-5px); box-shadow: 0 26px 70px rgba(7,31,61,.2); }
.nau-path::before { content: ""; position: absolute; inset: 0; z-index: -2; background: var(--path-image) center/cover no-repeat; transition: transform .45s ease; }
.nau-path:hover::before { transform: scale(1.035); }
.nau-path::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg,rgba(4,22,43,.05),rgba(4,22,43,.92)); }
.nau-path__content { padding: 34px; }
.nau-path__tag { display: inline-flex; padding: 7px 11px; margin-bottom: 13px; border-radius: 999px; background: rgba(255,255,255,.16); backdrop-filter: blur(6px); font-size: .73rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.nau-path h2 { margin: 0 0 7px; font-size: clamp(1.7rem,3vw,2.4rem); line-height: 1.1; }
.nau-path p { max-width: 560px; margin: 0; color: rgba(255,255,255,.84); }
.nau-path__action { display: inline-flex; margin-top: 19px; align-items: center; gap: 9px; font-weight: 900; }
.nau-path__action span { transition: transform .2s ease; }
.nau-path:hover .nau-path__action span { transform: translateX(5px); }
.nau-home__trust { padding: 0 0 50px; text-align: center; color: var(--nau-muted); font-size: .88rem; }
.nau-home__trust strong { color: var(--nau-navy); }

/* Branch pages */
.nau-hero { position: relative; overflow: hidden; background: var(--nau-light); }
.nau-hero::after { content: ""; position: absolute; inset: auto -8% -45% auto; width: 430px; height: 430px; border-radius: 50%; background: rgba(8,105,178,.08); }
.nau-hero--corporate { color: #fff; background: linear-gradient(135deg,var(--nau-navy-deep),var(--nau-navy)); }
.nau-hero--corporate::after { background: rgba(255,255,255,.055); }
.nau-hero--corporate h1 { color: #fff; }
.nau-hero__grid { position: relative; z-index: 1; min-height: 570px; display: grid; grid-template-columns: 1.03fr .97fr; gap: 56px; align-items: center; padding: 68px 0; }
.nau-hero__copy > p:not(.nau-eyebrow) { max-width: 670px; margin: 22px 0 0; color: var(--nau-muted); font-size: 1.15rem; }
.nau-hero--corporate .nau-hero__copy > p:not(.nau-eyebrow) { color: #cbd9e8; }
.nau-hero__image { position: relative; }
.nau-hero__image img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: 28px; box-shadow: var(--nau-shadow); }
.nau-hero__badge { position: absolute; left: -22px; bottom: 28px; max-width: 270px; padding: 15px 19px; border-radius: 16px; color: var(--nau-navy); background: #fff; box-shadow: var(--nau-shadow); font-size: .86rem; font-weight: 800; }
.nau-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.nau-button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; gap: 8px; padding: 12px 21px; border: 2px solid transparent; border-radius: 999px; color: #fff; background: var(--nau-red); text-decoration: none; font-weight: 900; cursor: pointer; }
.nau-button:hover, .nau-button:focus { color: #fff; background: var(--nau-red-dark); }
.nau-button--outline { color: var(--nau-navy); background: transparent; border-color: var(--nau-navy); }
.nau-button--outline:hover { color: #fff; background: var(--nau-navy); }
.nau-hero--corporate .nau-button--outline { color: #fff; border-color: rgba(255,255,255,.65); }
.nau-hero--corporate .nau-button--outline:hover { color: var(--nau-navy); background: #fff; }

.nau-section { padding: 86px 0; }
.nau-section--tint { background: var(--nau-light); }
.nau-section--dark { color: #fff; background: var(--nau-navy-deep); }
.nau-section__head { max-width: 780px; margin-bottom: 38px; }
.nau-section__head--center { margin-inline: auto; text-align: center; }
.nau-section h2, .nau-content h1 { margin: 0 0 14px; color: var(--nau-navy-deep); font-size: clamp(1.85rem,3.6vw,3.05rem); line-height: 1.12; letter-spacing: -.035em; }
.nau-section--dark h2 { color: #fff; }
.nau-section__head p { margin: 0; color: var(--nau-muted); }
.nau-section--dark .nau-section__head p { color: #b9c9da; }
.nau-grid { display: grid; gap: 22px; }
.nau-grid--2 { grid-template-columns: repeat(2,minmax(0,1fr)); }
.nau-grid--3 { grid-template-columns: repeat(3,minmax(0,1fr)); }
.nau-card { position: relative; padding: 29px; border: 1px solid var(--nau-line); border-radius: var(--nau-radius); background: #fff; box-shadow: 0 12px 38px rgba(7,31,61,.07); }
.nau-card__icon { width: 54px; height: 54px; display: grid; place-items: center; margin-bottom: 18px; border-radius: 16px; color: #fff; background: var(--nau-blue); font-size: 1.4rem; font-weight: 900; }
.nau-card--corporate .nau-card__icon { background: var(--nau-red); }
.nau-card h3 { margin: 0 0 9px; color: var(--nau-navy); font-size: 1.25rem; line-height: 1.25; }
.nau-card p { margin: 0; color: var(--nau-muted); }
.nau-card a { display: inline-flex; margin-top: 17px; font-weight: 850; }
.nau-proof { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; overflow: hidden; border-radius: var(--nau-radius); background: rgba(255,255,255,.12); }
.nau-proof__item { padding: 30px; background: rgba(255,255,255,.05); }
.nau-proof__item strong { display: block; margin-bottom: 5px; font-size: 1.1rem; }
.nau-proof__item span { color: #b9c9da; font-size: .94rem; }
.nau-course-list { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 22px; }
.nau-course { overflow: hidden; border: 1px solid var(--nau-line); border-radius: 18px; background: #fff; box-shadow: 0 11px 30px rgba(7,31,61,.07); }
.nau-course img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.nau-course__body { padding: 22px; }
.nau-course h3 { margin: 0 0 8px; font-size: 1.15rem; line-height: 1.3; }
.nau-course p { margin: 0; color: var(--nau-muted); font-size: .92rem; }

/* Forms */
.nau-form-wrap { display: grid; grid-template-columns: .75fr 1.25fr; gap: 44px; align-items: start; }
.nau-form-intro { position: sticky; top: 120px; }
.nau-form { padding: 30px; border: 1px solid var(--nau-line); border-radius: var(--nau-radius); background: #fff; box-shadow: var(--nau-shadow); }
.nau-form__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 17px; }
.nau-field--full { grid-column: 1/-1; }
.nau-field label { display: block; margin-bottom: 6px; color: var(--nau-navy); font-size: .87rem; font-weight: 850; }
.nau-field input, .nau-field select, .nau-field textarea { width: 100%; min-height: 48px; padding: 11px 13px; color: var(--nau-ink); background: #fff; border: 1px solid #bac8d6; border-radius: 10px; }
.nau-field textarea { min-height: 130px; resize: vertical; }
.nau-field input:focus, .nau-field select:focus, .nau-field textarea:focus { outline: 3px solid rgba(8,105,178,.15); border-color: var(--nau-blue); }
.nau-form__legal { margin: 17px 0; color: var(--nau-muted); font-size: .78rem; }
.nau-alert { margin-bottom: 20px; padding: 14px 17px; border-radius: 12px; background: #e8f7ed; color: #155c2b; font-weight: 750; }
.nau-alert--error { background: #fff0f0; color: #8c161c; }
.nau-hp { position: absolute !important; left: -9999px !important; }
.nau-whatsapp { display: inline-flex; align-items: center; gap: 9px; margin-top: 18px; color: #12643a; font-weight: 850; }

/* Inner content and WP integrations */
.nau-page-hero { padding: 72px 0 55px; background: var(--nau-light); }
.nau-page-hero p { max-width: 780px; margin: 10px 0 0; color: var(--nau-muted); }
.nau-content { padding: 65px 0 90px; }
.nau-content > * { max-width: 850px; }
.nau-content > .woocommerce, .nau-content > .tutor-wrap, .nau-content > .tutor-container { max-width: none; }
.nau-content h2 { margin-top: 38px; color: var(--nau-navy); }
.woocommerce a.button, .woocommerce button.button, .woocommerce input.button, .tutor-btn-primary { color: #fff !important; background: var(--nau-red) !important; border-radius: 999px !important; }
.woocommerce div.product div.images img { border-radius: 18px; }

/* Footer */
.nau-footer { color: #c9d6e4; background: #061a33; }
.nau-footer__grid { display: grid; grid-template-columns: 1.25fr .9fr .9fr; gap: 46px; padding: 58px 0 40px; }
.nau-footer h2, .nau-footer h3 { margin: 0 0 12px; color: #fff; }
.nau-footer p { margin: 0; }
.nau-footer a { color: #dce9f5; }
.nau-footer ul { margin: 0; padding: 0; list-style: none; }
.nau-footer li { margin: 7px 0; }
.nau-footer__bottom { padding: 18px 0; border-top: 1px solid rgba(255,255,255,.1); font-size: .83rem; }

@media (max-width: 1000px) {
  .nau-menu-toggle { display: inline-flex; }
  .nau-branch-label { display: none; }
  .nau-nav { position: absolute; top: 86px; left: 0; right: 0; display: none; padding: 18px 20px 24px; flex-direction: column; align-items: stretch; gap: 4px; background: #fff; border-bottom: 1px solid var(--nau-line); box-shadow: var(--nau-shadow); }
  .nau-nav.is-open { display: flex; }
  .nau-nav a { padding: 11px 8px; }
  .nau-nav .nau-nav__cta { text-align: center; }
  .nau-hero__grid { grid-template-columns: 1fr; gap: 35px; }
  .nau-hero__image { max-width: 700px; }
  .nau-grid--3, .nau-course-list { grid-template-columns: repeat(2,minmax(0,1fr)); }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  body.admin-bar .nau-header { top: 46px; }
  .nau-container { width: min(100% - 28px, var(--nau-width)); }
  .nau-header__inner { min-height: 74px; }
  .nau-brand img, .custom-logo-link img { width: 92px; height: 54px; }
  .nau-nav { top: 74px; }
  .nau-home__intro { padding: 38px 0 22px; }
  .nau-paths { grid-template-columns: 1fr; }
  .nau-path { min-height: 335px; }
  .nau-path__content { padding: 26px; }
  .nau-hero__grid { min-height: 0; padding: 48px 0 58px; }
  .nau-hero__badge { left: 12px; right: 12px; max-width: none; bottom: 12px; }
  .nau-section { padding: 64px 0; }
  .nau-grid--2, .nau-grid--3, .nau-course-list, .nau-proof, .nau-form-wrap, .nau-footer__grid { grid-template-columns: 1fr; }
  .nau-form-intro { position: static; }
  .nau-form { padding: 21px; }
  .nau-form__grid { grid-template-columns: 1fr; }
  .nau-field--full { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}