/* ═══════════════════════════════════════════════════════════════════════
   biffusion.com — Dark Editorial Stylesheet
   Based on 3Futur Dark Editorial Template
   Adapted palette: blue-teal-green gradient from biffusion logo
   Version 1.0 — April 2026
   ═══════════════════════════════════════════════════════════════════════ */

/* ── DESIGN TOKENS ──────────────────────────────────────────────────── */
:root {
  /* Background & surfaces */
  --color-bg:          #0B1120;
  --color-surface:     #111827;
  --color-surface-2:   #1A2236;
  --color-border:      #263044;

  /* Text */
  --color-text:        #E6EDF3;
  --color-text-muted:  #8B949E;
  --color-text-faint:  #484F58;

  /* Accent — teal (from logo center) */
  --color-accent:      #1AAFA0;
  --color-accent-h:    #17998C;

  /* Secondary — blue (from logo left) */
  --color-secondary:   #2E9BDB;
  --color-secondary-h: #5AB8F0;

  /* Green end for gradient accents */
  --color-green:       #2ECC71;

  /* Header / Footer */
  --header-bg:         #0B1120;
  --footer-bg:         #0B1120;

  /* Typography */
  --font-display:      'Plus Jakarta Sans', 'Segoe UI', Arial, sans-serif;
  --font-body:         'Plus Jakarta Sans', 'Segoe UI', Arial, sans-serif;
  --text-xs:           clamp(0.75rem, 0.8rem, 0.875rem);
  --text-sm:           clamp(0.875rem, 0.9rem, 1rem);
  --text-base:         clamp(1rem, 1rem + 0.15vw, 1.125rem);
  --text-lg:           clamp(1.125rem, 1.125rem + 0.3vw, 1.5rem);
  --text-xl:           clamp(1.5rem, 1.5rem + 0.5vw, 2.25rem);
  --text-2xl:          clamp(2rem, 2rem + 1vw, 3.25rem);
  --text-hero:         clamp(2.5rem, 2.5rem + 2vw, 4.5rem);

  /* Spacing (4px base unit) */
  --space-1:  4px;
  --space-2:  8px;
  --space-4:  16px;
  --space-6:  24px;
  --space-8:  32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;

  /* Radii */
  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  14px;
  --radius-xl:  16px;

  /* Layout */
  --content-wide: 1200px;
  --content-narrow: 720px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-secondary); text-decoration: none; transition: color 0.25s ease; }
a:hover { color: var(--color-secondary-h); }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  line-height: 1.2;
  color: var(--color-text);
  font-weight: 700;
}

ul, ol { list-style: none; }

/* ── ACCESSIBILITY ──────────────────────────────────────────────────── */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.sr-only:focus {
  position: fixed; top: 0; left: 0; z-index: 99999;
  width: auto; height: auto; padding: 1rem;
  margin: 0; overflow: visible; clip: auto;
  background: var(--color-accent); color: #000;
  font-weight: 700; font-size: 1rem;
}

/* ── CONTAINER ──────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

/* ── SCROLL PROGRESS BAR ───────────────────────────────────────────── */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: rgba(255,255,255,0.06);
  z-index: 9999;
}
.scroll-progress__bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-accent), var(--color-green));
  width: 0%;
  transition: width 0.1s linear;
}

/* ── HEADER ─────────────────────────────────────────────────────────── */
.site-header {
  position: fixed; top: 3px; left: 0; right: 0;
  z-index: 1000;
  background: var(--header-bg);
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.site-header.scrolled {
  background: rgba(11,17,32,0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom-color: var(--color-border);
  box-shadow: 0 1px 20px rgba(0,0,0,0.25);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
  min-height: 64px;
}
.site-logo img {
  height: 36px;
  width: auto;
}

/* Desktop nav */
.nav-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.main-nav a {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: var(--space-2) 0;
  position: relative;
  transition: color 0.25s ease;
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--color-accent);
  transition: width 0.3s ease;
}
.main-nav a:hover { color: var(--color-text); }
.main-nav a:hover::after { width: 100%; }

/* Hide hamburger and mobile nav on desktop */
.hamburger { display: none; }
.header-controls { display: none; }

@media (max-width: 1023px) {
  .nav-wrapper { display: none; }
  .header-controls {
    display: flex;
    align-items: center;
    gap: var(--space-4);
  }
  .hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none; border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
  }
  .hamburger span {
    display: block;
    width: 24px; height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
  }
  .hamburger[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .hamburger[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}

/* ── MOBILE NAV ─────────────────────────────────────────────────────── */
.mobile-nav {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 999;
  background: rgba(11,17,32,0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}
.mobile-nav.is-open {
  opacity: 1;
  visibility: visible;
}
.mobile-nav ul {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}
.mobile-nav a {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.02em;
}
.mobile-nav a:hover { color: var(--color-accent); }

/* ── HERO DARK ──────────────────────────────────────────────────────── */
.hero-dark {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: var(--color-bg);
}
.hero-dark__pattern {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(26,175,160,0.08) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}
.hero-dark__content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding: var(--space-20) var(--space-6);
}
.hero-dark__label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: var(--space-6);
}
.hero-dark__title {
  font-size: var(--text-hero);
  font-weight: 800;
  line-height: 1.08;
  margin-bottom: var(--space-6);
  background: linear-gradient(135deg, var(--color-text) 30%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-dark__sub {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: var(--space-10);
  line-height: 1.6;
}
.hero-dark__actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}
.hero-dark__scroll-cue {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-faint);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  animation: bounce-down 2s infinite;
}
@keyframes bounce-down {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ── BUTTONS ────────────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.75em 1.8em;
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #fff;
  background: var(--color-accent);
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background 0.25s ease, border-color 0.25s ease, transform 0.2s ease;
}
.btn-primary:hover {
  background: var(--color-accent-h);
  border-color: var(--color-accent-h);
  color: #fff;
  transform: translateY(-1px);
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.75em 1.8em;
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  background: transparent;
  border: 2px solid rgba(26,175,160,0.4);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color 0.25s ease, color 0.25s ease, transform 0.2s ease;
}
.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-text);
  transform: translateY(-1px);
}

/* ── STATS BAND ─────────────────────────────────────────────────────── */
.stats-band {
  background: var(--color-surface);
  padding-block: var(--space-12);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  text-align: center;
}
@media (min-width: 640px) {
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
}
.stat-item__value {
  display: block;
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1.1;
}
.stat-item__label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-top: var(--space-2);
}
.stat-item__desc {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

/* ── SERVICES SECTION ───────────────────────────────────────────────── */
.services-section {
  padding-block: clamp(4rem, 7vw, 7rem);
}
.services-section__title {
  font-size: var(--text-xl);
  text-align: center;
  margin-bottom: var(--space-4);
}
.services-section__lead {
  text-align: center;
  color: var(--color-text-muted);
  max-width: 60ch;
  margin-inline: auto;
  margin-bottom: var(--space-16);
}

/* Service rows */
.service-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  padding-block: var(--space-10);
  border-bottom: 1px solid var(--color-border);
}
@media (min-width: 1024px) {
  .service-row { grid-template-columns: 1fr 1fr; align-items: center; }
  .service-row--reverse .service-row__text-col { order: 2; }
  .service-row--reverse .service-row__icon-col { order: 1; }
}
.service-row__num {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--color-accent);
  opacity: 0.15;
  line-height: 1;
  margin-bottom: var(--space-4);
}
.service-row__badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  border: 1px solid rgba(26,175,160,0.30);
  border-radius: 20px;
  padding: 0.2em 0.75em;
  margin-bottom: var(--space-4);
}
.service-row__title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-4);
}
.service-row__text {
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 55ch;
}
.service-row__icon-col {
  display: flex;
  align-items: center;
  justify-content: center;
}
.service-row__icon-inner {
  font-size: 6rem;
  font-weight: 800;
  color: var(--color-accent);
  opacity: 0.06;
  line-height: 1;
}
.service-row__img {
  width: 100%;
  max-width: 420px;
  height: auto;
  border-radius: 16px;
  object-fit: cover;
}

/* ── TESTIMONIAL ────────────────────────────────────────────────────── */
.testimonial-section {
  padding-block: clamp(4rem, 7vw, 7rem);
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.testimonial-inner {
  max-width: 700px;
  margin-inline: auto;
  text-align: center;
}
.testimonial-quote {
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: var(--space-8);
}
.testimonial-quote::before { content: '\201C'; }
.testimonial-quote::after { content: '\201D'; }
.testimonial-rule {
  width: 48px; height: 2px;
  background: var(--color-accent);
  margin: var(--space-6) auto;
}
.testimonial-author {
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-text);
}
.testimonial-role {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ── CTA SECTION ────────────────────────────────────────────────────── */
.cta-section {
  padding-block: clamp(4rem, 7vw, 7rem);
  text-align: center;
  background: var(--color-bg);
}
.cta-section__label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}
.cta-section__title {
  font-size: var(--text-2xl);
  font-weight: 800;
  margin-bottom: var(--space-4);
}
.cta-section__sub {
  color: var(--color-text-muted);
  max-width: 50ch;
  margin-inline: auto;
  margin-bottom: var(--space-8);
}

/* ── CONTACT PAGE ───────────────────────────────────────────────────── */
.page-header {
  padding-top: 120px;
  padding-bottom: var(--space-12);
  text-align: center;
  background: var(--color-bg);
}
.page-header h1 {
  font-size: var(--text-2xl);
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-text) 30%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-header .page-subtitle {
  color: var(--color-text-muted);
  margin-top: var(--space-4);
  max-width: 50ch;
  margin-inline: auto;
}

.main-content {
  padding-block: clamp(2rem, 5vw, 4rem);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
}
@media (min-width: 768px) {
  .contact-grid { grid-template-columns: 1fr 1fr; }
}

/* Contact form */
.contact-form-wrap h2 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-6);
}
.contact-form { display: flex; flex-direction: column; gap: var(--space-4); }
.contact-form label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  display: block;
  margin-bottom: var(--space-1);
}
.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(26,175,160,0.15);
}
.contact-form textarea { resize: vertical; min-height: 140px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
@media (min-width: 480px) {
  .form-row { grid-template-columns: 1fr 1fr; }
}

.form-status {
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  display: none;
}
.form-status.success {
  display: block;
  background: rgba(26,175,160,0.12);
  border: 1px solid rgba(26,175,160,0.3);
  color: var(--color-accent);
}
.form-status.error {
  display: block;
  background: rgba(220,53,69,0.12);
  border: 1px solid rgba(220,53,69,0.3);
  color: #F78C94;
}

/* Contact sidebar */
.contact-side {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}
.contact-side img {
  border-radius: var(--radius-lg);
  width: 100%;
  aspect-ratio: 3/2;
  object-fit: cover;
}
.contact-info { display: flex; flex-direction: column; gap: var(--space-6); }
.contact-info__item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}
.contact-info__icon {
  flex-shrink: 0;
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(26,175,160,0.08);
  border: 1px solid rgba(26,175,160,0.15);
  border-radius: var(--radius-sm);
  color: var(--color-accent);
}
.contact-info__icon svg { width: 20px; height: 20px; }
.contact-info__label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: 2px;
}
.contact-info__value {
  font-size: var(--text-base);
  color: var(--color-text);
}
.contact-info__value a { color: var(--color-secondary); }
.contact-info__value a:hover { color: var(--color-secondary-h); }

/* ── FOOTER ─────────────────────────────────────────────────────────── */
.site-footer {
  background: var(--footer-bg);
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-12) var(--space-8);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}
@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
}
.footer-logo img {
  height: 30px;
  width: auto;
  margin-bottom: var(--space-4);
}
.footer-tagline {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 30ch;
}
.footer-nav-col h3,
.footer-social-col h3 {
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}
.footer-nav-list { display: flex; flex-direction: column; gap: var(--space-2); }
.footer-nav-list a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color 0.25s ease;
}
.footer-nav-list a:hover { color: var(--color-accent); }

/* Social icons */
.footer-social-icons {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}
.footer-social-icons a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  transition: border-color 0.25s ease, color 0.25s ease;
}
.footer-social-icons a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.footer-social-icons svg {
  width: 16px; height: 16px;
  fill: currentColor;
  stroke: none;
}
.footer-legal-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.footer-legal-links a {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.footer-legal-links a:hover { color: var(--color-text-muted); }

.footer-bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  text-align: center;
}
.footer-copyright {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ── BACK-TO-TOP ────────────────────────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-6);
  z-index: 900;
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease, border-color 0.25s ease, color 0.25s ease;
}
.back-to-top.is-visible { opacity: 1; visibility: visible; }
.back-to-top:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.back-to-top svg {
  width: 20px; height: 20px;
  fill: none; stroke: currentColor;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}

/* ── FADE-UP ANIMATION ──────────────────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s cubic-bezier(0.16,1,0.3,1),
              transform 0.55s cubic-bezier(0.16,1,0.3,1);
}
.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .fade-up { opacity: 1; transform: none; transition: none; }
}

/* ── 404 PAGE ───────────────────────────────────────────────────────── */
.error-page {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-8);
}
.error-page__code {
  font-size: clamp(6rem, 15vw, 12rem);
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, var(--color-text) 30%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.error-page__title {
  font-size: var(--text-xl);
  margin-top: var(--space-4);
  margin-bottom: var(--space-4);
}
.error-page__text {
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
}

/* ── GLASS CARDS (optional enrichment) ──────────────────────────────── */
.glass-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.glass-card:hover {
  transform: translateY(-4px);
  border-color: rgba(26,175,160,0.25);
}
.glass-card__icon {
  color: var(--color-accent);
}
.glass-card__icon svg { width: 28px; height: 28px; }
.glass-card__heading {
  font-size: var(--text-lg);
  font-weight: 700;
}
.glass-card__text {
  color: var(--color-text-muted);
  line-height: 1.7;
}
.glass-cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 640px) {
  .glass-cards-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .glass-cards-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ── BLOCKQUOTE & INFO BOX ──────────────────────────────────────────── */
blockquote {
  border-left: 4px solid var(--color-accent);
  padding-left: 1.5rem;
  color: var(--color-text-muted);
  font-style: italic;
}
.info-box {
  background: var(--color-surface-2);
  border-left: 4px solid var(--color-secondary);
  border-radius: var(--radius-sm);
  padding: var(--space-6);
}

/* ── UNORDERED LISTS (content) ──────────────────────────────────────── */
.main-content ul { padding-left: 1.5rem; }
.main-content ul li {
  position: relative;
  padding-left: 1rem;
  margin-bottom: var(--space-2);
  color: var(--color-text-muted);
}
.main-content ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.65em;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}