/* ===================================================
   XTRI EdTech WordPress Theme — Main Stylesheet
   Design System: Dark + Cyan (#1AB6FF) / Orange (#E8622A)
   =================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

/* ─── CSS Variables (Design Tokens) ─── */
:root {
  --background: 220 15% 6%;
  --foreground: 210 20% 95%;
  --card: 220 12% 10%;
  --card-foreground: 210 20% 95%;
  --primary: 199 100% 55%;
  --primary-foreground: 220 15% 4%;
  --secondary: 14 90% 55%;
  --secondary-foreground: 210 20% 95%;
  --muted: 220 10% 18%;
  --muted-foreground: 220 10% 55%;
  --border: 220 10% 16%;
  --input: 220 10% 18%;
  --ring: 199 100% 55%;
  --radius: 1rem;
  --xtri-cyan: 199 100% 55%;
  --xtri-orange: 14 90% 55%;
}

/* ─── Reset & Base ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
  background-color: hsl(var(--background));
  font-family: 'Inter', sans-serif;
  color: hsl(var(--foreground));
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 { font-family: 'Space Grotesk', sans-serif; font-weight: 700; line-height: 1.15; letter-spacing: -0.025em; }
a { color: inherit; text-decoration: none; transition: color 0.2s; }
img { max-width: 100%; height: auto; display: block; }

/* ─── Typography Scale ─── */
.heading-xl { font-size: clamp(2.25rem, 5vw, 3.75rem); line-height: 1.05; }
.heading-lg { font-size: clamp(1.875rem, 4vw, 3rem); line-height: 1.25; }
.heading-md { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
.font-display { font-family: 'Space Grotesk', sans-serif; }
.font-body { font-family: 'Inter', sans-serif; }
.font-mono { font-family: 'JetBrains Mono', monospace; }
.data-display { font-family: 'JetBrains Mono', monospace; font-variant-numeric: tabular-nums; }

/* ─── Layout ─── */
.container-xtri { max-width: 72rem; margin: 0 auto; padding: 0 1.5rem; }
@media (min-width: 768px) { .container-xtri { padding: 0 2.5rem; } }

.section-padding { padding: 6rem 0; }
@media (min-width: 768px) { .section-padding { padding: 8rem 0; } }

/* ─── Section Backgrounds ─── */
.section-alt { background: linear-gradient(180deg, #1a2028, #15181e, #0f1115); }
.section-accent { background: linear-gradient(135deg, rgba(20,62,82,.5), #181d25, rgba(69,34,23,.4)); }
.section-gradient-cyan { background: linear-gradient(180deg, #0f1115, rgba(20,62,82,.6), rgba(20,52,67,.5) 60%, #0f1115); }
.section-gradient-orange { background: linear-gradient(180deg, #0f1115, rgba(69,34,23,.55), rgba(55,29,21,.45) 60%, #0f1115); }
.section-gradient-mixed { background: linear-gradient(135deg, rgba(23,61,79,.5), #1a2028 40%, rgba(65,32,22,.45)); }

/* ─── Cards ─── */
.card-xtri {
  border-radius: 1rem;
  border: 1px solid hsl(var(--border) / 0.5);
  background: hsl(var(--card) / 0.6);
  padding: 2rem;
  backdrop-filter: blur(4px);
  transition: all 0.5s cubic-bezier(0, 0, 0.2, 1);
}
.card-xtri:hover {
  border-color: hsl(var(--primary) / 0.4);
  background: hsl(var(--card) / 0.8);
  transform: scale(1.025) translateY(-4px);
  box-shadow: 0 0 0 1px hsl(var(--primary) / 0.15), 0 8px 30px -8px hsl(var(--primary) / 0.2), 0 20px 50px -15px hsl(var(--primary) / 0.1);
}

/* ─── Labels & Tags ─── */
.label-tag {
  display: inline-block;
  border-radius: 9999px;
  background: hsl(var(--muted) / 0.3);
  padding: 0.25rem 0.75rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: hsl(var(--muted-foreground));
}

/* ─── Buttons ─── */
.btn-primary {
  display: inline-block;
  padding: 1rem 2.5rem;
  background: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: 0.75rem;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
  text-align: center;
  letter-spacing: 0.025em;
}
.btn-primary:hover { filter: brightness(1.1); box-shadow: 0 10px 30px hsl(var(--primary) / 0.2); }

.btn-secondary {
  display: inline-block;
  padding: 1rem 2.5rem;
  background: hsl(var(--secondary));
  color: hsl(var(--secondary-foreground));
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: 1rem;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
  text-align: center;
}
.btn-secondary:hover { filter: brightness(1.1); box-shadow: 0 10px 30px hsl(var(--secondary) / 0.2); }

.btn-outline {
  display: inline-block;
  padding: 1rem 2.5rem;
  border: 1px solid hsl(var(--border) / 0.5);
  color: hsl(var(--foreground));
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: 1rem;
  transition: all 0.3s;
  text-align: center;
}
.btn-outline:hover { border-color: hsl(var(--primary) / 0.4); color: hsl(var(--primary)); background: hsl(var(--primary) / 0.05); }

/* ─── Navigation ─── */
.xtri-nav {
  position: fixed; top: 1rem; left: 1rem; right: 1rem; z-index: 50;
  background: hsl(var(--card) / 0.7); backdrop-filter: blur(24px);
  border: 1px solid hsl(var(--border) / 0.3); border-radius: 1rem;
}
.xtri-nav-inner { display: flex; align-items: center; justify-content: space-between; height: 3.5rem; padding: 0 1.5rem; }
.xtri-nav-logo { display: flex; align-items: center; gap: 0.625rem; }
.xtri-nav-logo img { height: 1.75rem; width: 1.75rem; }
.xtri-nav-logo span { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 1rem; letter-spacing: -0.025em; }
.xtri-nav-links { display: none; align-items: center; gap: 0.25rem; }
.xtri-nav-links a { padding: 0.375rem 0.75rem; border-radius: 0.5rem; font-size: 0.875rem; color: hsl(var(--muted-foreground)); transition: all 0.2s; }
.xtri-nav-links a:hover { color: hsl(var(--foreground)); background: hsl(var(--muted) / 0.3); }
.xtri-nav-cta { display: none; }
.xtri-nav-cta a { padding: 0.5rem 1.25rem; background: hsl(var(--primary)); color: hsl(var(--primary-foreground)); font-weight: 600; font-size: 0.875rem; border-radius: 0.75rem; transition: all 0.3s; }
.xtri-nav-cta a:hover { filter: brightness(1.1); box-shadow: 0 10px 15px hsl(var(--primary) / 0.2); }
@media (min-width: 1024px) { .xtri-nav-links, .xtri-nav-cta { display: flex; } .xtri-mobile-toggle { display: none; } }

/* Mobile menu toggle */
.xtri-mobile-toggle { background: none; border: none; cursor: pointer; padding: 0.5rem; display: flex; flex-direction: column; gap: 0.375rem; }
.xtri-mobile-toggle span { display: block; width: 1.25rem; height: 1.5px; background: hsl(var(--foreground)); transition: transform 0.3s; }

/* ─── Hero ─── */
.xtri-hero {
  position: relative; min-height: 100vh; display: flex; align-items: center; overflow: hidden; padding-top: 6rem;
  background: linear-gradient(135deg, hsl(220 18% 8%) 0%, hsl(215 25% 14%) 40%, hsl(199 35% 14%) 70%, hsl(220 18% 8%) 100%);
}
.xtri-hero-bg { position: absolute; inset: 0; }
.xtri-hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.08; }
.xtri-hero-bg .overlay { position: absolute; inset: 0; background: linear-gradient(to bottom, transparent, hsl(var(--background) / 0.8), hsl(var(--background))); }
.xtri-hero-grid { position: absolute; inset: 0; opacity: 0.02; background-image: radial-gradient(circle, hsl(var(--primary) / 0.3) 1px, transparent 1px); background-size: 60px 60px; }
.xtri-hero-content { position: relative; z-index: 10; }

.xtri-hero-badge { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.5rem 1rem; border-radius: 9999px; background: hsl(var(--secondary) / 0.1); border: 1px solid hsl(var(--secondary) / 0.2); margin-bottom: 2rem; font-size: 0.875rem; }
.xtri-hero-badge .star { color: hsl(var(--secondary)); }
.xtri-hero h1 { margin-bottom: 2rem; }
.xtri-hero h1 .cyan { color: hsl(var(--primary)); }
.xtri-hero h1 .orange { color: hsl(var(--secondary)); }
.xtri-hero-text { color: hsl(var(--muted-foreground)); font-size: clamp(1rem, 2vw, 1.25rem); max-width: 36rem; margin-bottom: 3rem; line-height: 1.7; }
.xtri-hero-buttons { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 3rem; }
@media (min-width: 640px) { .xtri-hero-buttons { flex-direction: row; } }

/* Hero image + floating cards */
.xtri-hero-image-wrap { position: relative; display: none; }
@media (min-width: 1024px) { .xtri-hero-image-wrap { display: block; } }
.xtri-hero-image-main { border-radius: 1.5rem; overflow: hidden; border: 1px solid hsl(var(--border) / 0.3); box-shadow: 0 25px 50px hsl(var(--primary) / 0.05); }
.xtri-hero-image-main img { width: 100%; height: auto; object-fit: cover; aspect-ratio: 4/5; }

.floating-card {
  position: absolute; z-index: 20;
  background: hsl(var(--card) / 0.8); backdrop-filter: blur(24px);
  border: 1px solid hsl(var(--border) / 0.3); border-radius: 1rem;
  padding: 0.75rem 1rem; box-shadow: 0 20px 25px hsl(0 0% 0% / 0.15);
  animation: float 3.5s ease-in-out infinite;
}
.floating-card .icon-box { width: 2.5rem; height: 2.5rem; border-radius: 0.75rem; display: flex; align-items: center; justify-content: center; font-size: 1.125rem; }
.floating-card .fc-title { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 0.875rem; }
.floating-card .fc-sub { font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; }

@keyframes float { 0%, 100% { transform: translateY(-8px); } 50% { transform: translateY(8px); } }
.float-delay-1 { animation-delay: 0.5s; }
.float-delay-2 { animation-delay: 1s; }
.float-delay-3 { animation-delay: 1.5s; }

/* ─── Stats Row ─── */
.xtri-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-top: 5rem; }
@media (min-width: 768px) { .xtri-stats { grid-template-columns: repeat(4, 1fr); } }
.xtri-stat { background: hsl(var(--card) / 0.4); backdrop-filter: blur(4px); border: 1px solid hsl(var(--border) / 0.3); border-radius: 1rem; padding: 1.5rem; text-align: center; }
.xtri-stat-value { font-family: 'JetBrains Mono', monospace; font-size: 1.5rem; font-weight: 700; color: hsl(var(--primary)); display: block; margin-bottom: 0.25rem; }
@media (min-width: 768px) { .xtri-stat-value { font-size: 1.875rem; } }
.xtri-stat-label { font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; color: hsl(var(--muted-foreground)); }

/* ─── Grid Layouts ─── */
.grid-2 { display: grid; grid-template-columns: 1fr; gap: 1.25rem; }
@media (min-width: 768px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } }
.grid-3 { display: grid; grid-template-columns: 1fr; gap: 1.25rem; }
@media (min-width: 768px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }
.grid-2-3 { display: grid; grid-template-columns: 1fr; gap: 3rem; }
@media (min-width: 768px) { .grid-2-3 { grid-template-columns: 2fr 3fr; gap: 4rem; } }
.grid-2-col { display: grid; grid-template-columns: 1fr; gap: 4rem; align-items: center; }
@media (min-width: 768px) { .grid-2-col { grid-template-columns: repeat(2, 1fr); } }

/* ─── Section Headers ─── */
.section-header { text-align: center; margin-bottom: 5rem; }
.section-header .label-tag { margin-bottom: 1.25rem; }

/* ─── Banco ENEM Section ─── */
.banco-images { position: relative; }
.banco-images .main-img { border-radius: 1.5rem; overflow: hidden; background: hsl(var(--card) / 0.4); backdrop-filter: blur(4px); border: 1px solid hsl(var(--border) / 0.3); padding: 0.75rem; box-shadow: 0 25px 50px hsl(var(--primary) / 0.1); }
.banco-images .main-img img { border-radius: 1rem; }
.banco-images .secondary-img { position: absolute; bottom: -2rem; left: -2rem; width: 55%; border-radius: 1.5rem; overflow: hidden; background: hsl(var(--card) / 0.6); backdrop-filter: blur(4px); border: 1px solid hsl(var(--secondary) / 0.2); padding: 0.75rem; box-shadow: 0 25px 50px hsl(var(--secondary) / 0.1); }
.banco-images .secondary-img img { border-radius: 1rem; }
.banco-mini-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem; margin: 2.5rem 0; }
.banco-mini-stat { background: hsl(var(--card) / 0.4); backdrop-filter: blur(4px); border: 1px solid hsl(var(--border) / 0.3); border-radius: 1rem; text-align: center; padding: 1.25rem 0.75rem; }

/* ─── Testimonial ─── */
.xtri-testimonial {
  background: hsl(var(--card) / 0.9); backdrop-filter: blur(24px);
  border: 1px solid hsl(var(--border) / 0.3); border-radius: 1rem;
  padding: 1.25rem; box-shadow: 0 25px 50px hsl(0 0% 0% / 0.2);
}
.xtri-testimonial-header { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.75rem; }
.xtri-testimonial-header img { width: 2.5rem; height: 2.5rem; border-radius: 9999px; object-fit: cover; }
.xtri-testimonial p { color: hsl(var(--muted-foreground)); font-size: 0.875rem; font-style: italic; line-height: 1.6; }

/* ─── School Ticker ─── */
.xtri-ticker-wrap { overflow: hidden; padding: 1.5rem 0; }
.xtri-ticker { display: flex; white-space: nowrap; animation: ticker 30s linear infinite; }
@keyframes ticker { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
.xtri-ticker span { display: inline-block; margin: 0 2rem; font-family: 'JetBrains Mono', monospace; font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.1em; color: hsl(var(--muted-foreground) / 0.6); transition: color 0.3s; }
.xtri-ticker span:hover { color: hsl(var(--primary)); }

/* ─── Contact Form ─── */
.xtri-form input, .xtri-form textarea, .xtri-form select {
  width: 100%;
  background: hsl(var(--card) / 0.4); backdrop-filter: blur(4px);
  border: 1px solid hsl(var(--border) / 0.3);
  padding: 0.875rem 1.25rem;
  color: hsl(var(--foreground));
  font-family: 'Inter', sans-serif;
  font-size: 0.875rem;
  border-radius: 0.75rem;
  transition: all 0.2s;
  outline: none;
}
.xtri-form input:focus, .xtri-form textarea:focus, .xtri-form select:focus {
  border-color: hsl(var(--primary) / 0.5);
  box-shadow: 0 0 0 2px hsl(var(--primary) / 0.15);
}
.xtri-form label {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: hsl(var(--muted-foreground));
  margin-bottom: 0.5rem;
}
.xtri-form .form-group { margin-bottom: 1rem; }
.xtri-form .required { color: hsl(var(--secondary)); }

/* ─── Footer ─── */
.xtri-footer { padding: 4rem 0; }
.xtri-footer-top { display: flex; flex-direction: column; gap: 2.5rem; }
@media (min-width: 768px) { .xtri-footer-top { flex-direction: row; justify-content: space-between; } }
.xtri-footer-brand p { font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; color: hsl(var(--muted-foreground)); letter-spacing: 0.05em; max-width: 20rem; }
.xtri-footer-cols { display: flex; flex-wrap: wrap; gap: 3rem; }
.xtri-footer-col-title { font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; color: hsl(var(--muted-foreground)); margin-bottom: 1rem; }
.xtri-footer-col a { display: block; font-size: 0.875rem; color: hsl(var(--foreground) / 0.7); margin-bottom: 0.75rem; transition: color 0.2s; }
.xtri-footer-col a:hover { color: hsl(var(--primary)); }

.glow-line { height: 1px; background: linear-gradient(to right, transparent, hsl(var(--primary) / 0.3), transparent); margin: 2.5rem 0; }

.xtri-footer-bottom { display: flex; flex-direction: column; align-items: center; gap: 1rem; }
@media (min-width: 768px) { .xtri-footer-bottom { flex-direction: row; justify-content: space-between; } }
.xtri-footer-bottom span { font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; color: hsl(var(--muted-foreground) / 0.6); }

/* ─── Contact Info ─── */
.xtri-contact-info { display: flex; flex-direction: column; gap: 1.5rem; }
.xtri-contact-item .ci-label { font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; color: hsl(var(--muted-foreground)); margin-bottom: 0.25rem; }
.xtri-contact-item .ci-value { color: hsl(var(--foreground)); transition: color 0.2s; }
.xtri-contact-item:hover .ci-value { color: hsl(var(--primary)); }

/* ─── Step Cards ─── */
.step-number { font-family: 'JetBrains Mono', monospace; font-size: 3rem; font-weight: 700; color: hsl(var(--muted) / 0.3); margin-bottom: 1.5rem; }

/* ─── Article Cards ─── */
.article-card { display: flex; flex-direction: column; }
.article-card:hover h3 { color: hsl(var(--primary)); }
.article-card .read-more { font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; color: hsl(var(--primary)); text-transform: uppercase; letter-spacing: 0.1em; }

/* ─── Rating Stars ─── */
.xtri-stars { display: flex; gap: 0.125rem; color: hsl(var(--secondary)); }

/* ─── Avatars ─── */
.xtri-avatars { display: flex; }
.xtri-avatars img { width: 2.5rem; height: 2.5rem; border-radius: 9999px; border: 2px solid hsl(var(--background)); object-fit: cover; margin-left: -0.5rem; }
.xtri-avatars img:first-child { margin-left: 0; }

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #0d0f12; }
::-webkit-scrollbar-thumb { background: #292c32; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: hsl(var(--primary)); }

/* ─── WordPress Specific ─── */
.wp-block-image img { border-radius: 1rem; }
.aligncenter { text-align: center; }
.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; }

/* ─── Customizer Live Preview ─── */
.xtri-editable { position: relative; }
.xtri-editable:hover { outline: 2px dashed hsl(var(--primary) / 0.3); outline-offset: 4px; border-radius: 0.5rem; }

/* ─── WP Admin Bar Fix ─── */
body.admin-bar .xtri-nav { top: calc(1rem + 32px); }
@media (max-width: 782px) { body.admin-bar .xtri-nav { top: calc(1rem + 46px); } }