/* ==========================================================================
   Etook Design System
   Derived from live inspection of mastercard.com (colors, type, radii) and
   the documented "warm cream canvas / oversized pill radii / circular
   portraits connected by traced-orange orbital arcs" flavor described at
   getdesign.md/mastercard/design-md. Independent, inspired-by system —
   not Mastercard code or assets.
   ========================================================================== */

:root {
  /* -- Color: warm editorial cream canvas -- */
  --color-bg: #F3F0EE;
  --color-bg-alt: #FCFBFA;
  --color-surface: #FFFFFF;
  --color-ink: #141413;
  --color-ink-soft: rgba(20, 20, 19, 0.66);
  /* 0.62 alpha (was 0.42) — 0.42 measured 2.67:1 against the cream
     background, failing WCAG AA's 4.5:1 for normal text. This passes
     ~4.9-5.2:1 on both the cream bg and white cards. */
  --color-ink-faint: rgba(20, 20, 19, 0.62);
  --color-line: rgba(20, 20, 19, 0.10);
  --color-line-strong: rgba(20, 20, 19, 0.16);

  /* -- Color: traced-orange accent system -- */
  --color-accent: #F37338;
  /* Darkened from #CF4500 (4.11:1 as eyebrow/label text, 2.87:1 as white
     button-text background — both failed WCAG AA). #B23A00 passes
     comfortably as both text (5.3-6:1) and a white-text button
     background (6:1). */
  --color-accent-deep: #B23A00;
  --color-accent-hover: #8C2D00;
  --color-accent-soft: #FCE4D6;

  /* -- Color: brand orbital trio (payments-network inspired circles) -- */
  --color-brand-red: #EB001B;
  --color-brand-orange: #FF5F00;
  --color-brand-yellow: #F79E1B;

  --color-dark: #141413;
  --color-dark-surface: #1F1D1B;

  /* -- Type -- */
  --font-en: 'Sofia Sans', 'Segoe UI', Arial, sans-serif;
  --font-fa: 'Vazirmatn', 'Segoe UI', Tahoma, Arial, sans-serif;

  --fs-display: clamp(2.6rem, 5.6vw, 4.6rem);
  --fs-h1: clamp(2.2rem, 4.4vw, 3.6rem);
  --fs-h2: clamp(1.7rem, 3vw, 2.5rem);
  --fs-h3: clamp(1.25rem, 1.8vw, 1.6rem);
  --fs-lead: clamp(1.1rem, 1.6vw, 1.35rem);
  --fs-body: 1.05rem;
  --fs-small: 0.9rem;

  --lh-tight: 1.08;
  --lh-snug: 1.25;
  --lh-body: 1.7;

  /* -- Radius: oversized pill system -- */
  --radius-pill: 999px;
  --radius-card: 28px;
  --radius-card-lg: 40px;
  --radius-sm: 14px;

  /* -- Spacing -- */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6.5rem;
  --space-7: 9rem;

  --container: 1240px;

  /* -- Shadow / motion -- */
  --shadow-card: 0 20px 45px -20px rgba(20, 20, 19, 0.18);
  --shadow-pop: 0 30px 70px -25px rgba(20, 20, 19, 0.28);
  --ease-editorial: cubic-bezier(.16, 1, .3, 1);
  --dur-reveal: 0.5s; /* was 0.9s — UI motion guidelines cap at ~500ms */
}

[data-lang="fa"] {
  --font-body: var(--font-fa);
}
[data-lang="en"] {
  --font-body: var(--font-en);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-3);
}

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.01em;
}
h1 { font-size: var(--fs-h1); line-height: var(--lh-tight); }
h2 { font-size: var(--fs-h2); line-height: var(--lh-snug); }
h3 { font-size: var(--fs-h3); line-height: var(--lh-snug); }
p { margin: 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent-deep);
}
.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  flex: none;
}

.lead {
  font-size: var(--fs-lead);
  color: var(--color-ink-soft);
  line-height: var(--lh-snug);
}

/* -- Buttons: oversized pill radii -- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 1.9rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.98rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.35s var(--ease-editorial), background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--color-ink);
  color: var(--color-bg-alt);
  box-shadow: var(--shadow-card);
}
.btn-primary:hover { background: var(--color-accent-deep); }
.btn-accent {
  /* accent-deep, not accent — white text on the lighter --color-accent
     measured 2.87:1, failing WCAG AA. accent-deep passes at 6:1. */
  background: var(--color-accent-deep);
  color: #fff;
  box-shadow: 0 18px 40px -18px rgba(178, 58, 0, 0.55);
}
.btn-accent:hover { background: var(--color-accent-hover); }
.btn-outline {
  background: transparent;
  border-color: var(--color-line-strong);
  color: var(--color-ink);
}
.btn-outline:hover { border-color: var(--color-ink); }
.btn-ghost-light {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.35);
  color: #fff;
}
.btn-ghost-light:hover { background: rgba(255,255,255,0.22); }

/* -- Cards -- */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-card);
  padding: var(--space-4);
  box-shadow: var(--shadow-card);
}
.card-flat {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: var(--space-4);
}

/* -- Pill tag -- */
.pill-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-pill);
  background: var(--color-accent-soft);
  color: var(--color-accent-deep);
  font-size: 0.82rem;
  font-weight: 600;
}

/* -- Circular portrait + orbital arc system -- */
.orbit {
  position: relative;
}
.orbit-circle {
  border-radius: 50%;
  overflow: hidden;
  aspect-ratio: 1;
  box-shadow: var(--shadow-card);
  background: var(--color-bg-alt);
}
.orbit-arc {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: visible;
}
.orbit-arc path {
  fill: none;
  stroke: var(--color-accent);
  stroke-width: 1.5;
  stroke-dasharray: 3 9;
  stroke-linecap: round;
  opacity: 0.75;
}
.orbit-dot {
  fill: var(--color-accent);
}

/* -- Scroll reveal -- */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-reveal) var(--ease-editorial), transform var(--dur-reveal) var(--ease-editorial);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}
[data-reveal="fade"] { transform: none; }
[data-reveal-group] [data-reveal] { transition-delay: calc(var(--reveal-i, 0) * 90ms); }

/* -- Header -- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  padding-block: var(--space-2);
  background: rgba(243, 240, 238, 0.86);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: padding 0.4s var(--ease-editorial), border-color 0.4s ease, box-shadow 0.4s ease;
}
.site-header.is-scrolled {
  padding-block: 0.6rem;
  border-color: var(--color-line);
  box-shadow: 0 12px 30px -22px rgba(20,20,19,0.35);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}
.brand {
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-brand-red), var(--color-brand-orange) 55%, var(--color-brand-yellow));
  flex: none;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-weight: 600;
  font-size: 0.95rem;
}
.nav-links a { color: var(--color-ink-soft); transition: color 0.25s ease; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--color-ink); }
.header-actions { display: flex; align-items: center; gap: var(--space-2); }

.lang-switch {
  display: flex;
  align-items: center;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-line-strong);
  padding: 0.2rem;
  font-size: 0.82rem;
  font-weight: 700;
}
.lang-switch a {
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-pill);
  color: var(--color-ink-faint);
}
.lang-switch a[aria-current="true"] {
  background: var(--color-ink);
  color: var(--color-bg-alt);
}

.nav-toggle { display: none; }
.mobile-nav {
  display: none;
  border-top: 1px solid var(--color-line);
}
.mobile-nav a { font-weight: 600; display: block; padding-block: 0.6rem; }
.mobile-nav.is-open { display: block; }

@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  /* The CTA button's long, non-wrapping label plus the lang-switch plus
     the hamburger don't fit in one row on narrow screens (measured
     410px of content in a 260px-wide header container) — drop the CTA
     here since it's reachable via the mobile menu instead. */
  .header-actions .btn-primary { display: none; }
}
@media (min-width: 861px) {
  .mobile-nav { display: none !important; }
}

/* -- Footer -- */
.site-footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.86);
  padding-block: var(--space-6) var(--space-4);
  margin-top: var(--space-7);
  border-radius: var(--radius-card-lg) var(--radius-card-lg) 0 0;
}
.site-footer a { color: rgba(255,255,255,0.7); }
.site-footer a:hover { color: #fff; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: var(--space-4);
}
.footer-bottom {
  margin-top: var(--space-5);
  padding-top: var(--space-3);
  border-top: 1px solid rgba(255,255,255,0.14);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
}
@media (max-width: 760px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 500px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* -- Sections -- */
.section { padding-block: var(--space-6); }
.section-tight { padding-block: var(--space-5); }
.section-dark {
  background: var(--color-dark);
  color: rgba(255,255,255,0.92);
  border-radius: var(--radius-card-lg);
}
.section-dark .lead { color: rgba(255,255,255,0.7); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-3); }

@media (max-width: 940px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* -- Hero -- */
.hero {
  padding-block: var(--space-6) var(--space-5);
  position: relative;
}
.hero-copy { max-width: 720px; }
.hero-copy h1 { margin-block: var(--space-2); }
.hero-actions { display: flex; gap: var(--space-2); margin-top: var(--space-4); flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: var(--space-5);
  margin-top: var(--space-6);
  flex-wrap: wrap;
}
.stat-num { font-size: 2.2rem; font-weight: 700; color: var(--color-accent-deep); }
.stat-label { color: var(--color-ink-soft); font-size: 0.92rem; margin-top: 0.25rem; }

@media (max-width: 640px) {
  .hero-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem 1rem;
  }
}

/* -- Service card -- */
.service-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: var(--space-4);
  transition: transform 0.4s var(--ease-editorial), box-shadow 0.4s ease, background 0.4s ease;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-pop);
  background: var(--color-surface);
}
.service-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-soft);
  color: var(--color-accent-deep);
  margin-bottom: var(--space-3);
}

/* -- Blog -- */
.post-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
  transition: transform 0.4s var(--ease-editorial), box-shadow 0.4s ease;
}
.post-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-pop); }
.post-thumb {
  aspect-ratio: 16/10;
  background: var(--color-bg-alt);
  overflow: hidden;
}
.post-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }

.post-inline-figure {
  margin: var(--space-4) 0;
  border-radius: var(--radius-card);
  overflow: hidden;
}
.post-inline-figure img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  display: block;
}
.post-body { padding: var(--space-3); display: flex; flex-direction: column; gap: 0.6rem; flex: 1; }
.post-meta { display: flex; gap: 0.75rem; align-items: center; font-size: 0.82rem; color: var(--color-ink-faint); }

.post-article { max-width: 780px; margin-inline: auto; }
.post-article .lead { margin-block: var(--space-3); }
.post-article h2 { margin-top: var(--space-5); }
.post-article h3 { margin-top: var(--space-4); }
.post-article p, .post-article ul, .post-article ol { margin-top: var(--space-2); }
.post-article ul, .post-article ol { padding-inline-start: 1.3em; }
.post-article li { margin-top: 0.5em; }
.post-article blockquote {
  margin: var(--space-4) 0;
  padding: var(--space-3) var(--space-4);
  border-inline-start: 4px solid var(--color-accent);
  background: var(--color-bg-alt);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: var(--fs-lead);
  font-style: normal;
}

.filter-row { display: flex; gap: 0.6rem; flex-wrap: wrap; margin-block: var(--space-3) var(--space-5); }
.filter-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.7rem 1.15rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-line-strong);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-ink-soft);
}
.filter-pill.is-active { background: var(--color-ink); color: var(--color-bg-alt); border-color: var(--color-ink); }

/* -- Form success panel -- */
@keyframes formSuccessPop {
  from { opacity: 0; transform: scale(0.7); }
  to { opacity: 1; transform: scale(1); }
}
.form-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.6rem;
  padding: var(--space-3) var(--space-2);
}
.form-success[hidden] { display: none; }
.form-success-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  animation: formSuccessPop 0.45s var(--ease-editorial);
}
.form-success-icon:focus { outline: none; }
.form-success p { max-width: 380px; }
.btn[disabled] { opacity: 0.6; cursor: not-allowed; transform: none; }

/* -- Contact -- */
.contact-form { display: grid; gap: var(--space-2); }
.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field label { font-size: 0.85rem; font-weight: 600; color: var(--color-ink-soft); }
.field input, .field textarea {
  font: inherit;
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-line-strong);
  background: var(--color-surface);
  color: var(--color-ink);
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: var(--color-accent);
  /* Visible focus ring (WCAG 2.4.7) — a border-color shift alone is too
     weak a signal, especially for low-vision/color-perception-impaired
     users. box-shadow follows the input's border-radius, unlike a native
     outline. */
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

/* -- Trusted-by / industries strip -- */
.trusted-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
}
.trusted-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 1.3rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-line-strong);
  background: var(--color-bg-alt);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--color-ink-soft);
}
.trusted-chip .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: none;
}

/* -- Testimonials -- */
.testimonial-card {
  background: var(--color-surface);
  border-radius: var(--radius-card);
  padding: var(--space-4);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  height: 100%;
}
.testimonial-quote {
  font-size: 1.05rem;
  line-height: var(--lh-body);
  position: relative;
}
.testimonial-quote::before {
  content: "\201C";
  color: var(--color-accent);
  font-size: 2.2rem;
  line-height: 0;
  display: inline-block;
  margin-inline-end: 0.2rem;
  transform: translateY(0.35rem);
}
.testimonial-meta { margin-top: auto; }
.testimonial-name { font-weight: 700; }
.testimonial-role { color: var(--color-ink-faint); font-size: 0.88rem; }

/* -- Lead magnet -- */
.lead-magnet {
  background: linear-gradient(135deg, var(--color-accent-soft), var(--color-bg-alt));
  border-radius: var(--radius-card-lg);
  padding: var(--space-5);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-4);
  align-items: center;
}
.lead-magnet-form { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.lead-magnet-form input[type="email"] {
  flex: 1;
  min-width: 220px;
  font: inherit;
  padding: 0.9rem 1.2rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-line-strong);
  background: var(--color-surface);
}
.lead-magnet-form input[type="email"]:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}
.lead-magnet-checklist { display: flex; flex-direction: column; gap: 0.6rem; }
.lead-magnet-checklist li { display: flex; gap: 0.6rem; align-items: flex-start; color: var(--color-ink-soft); }
.lead-magnet-checklist li::before {
  content: "✓";
  color: var(--color-accent-deep);
  font-weight: 700;
  flex: none;
}
@media (max-width: 860px) {
  .lead-magnet { grid-template-columns: 1fr; }
}

/* -- Commitment -- */
.commitment-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
.commitment-item { display: flex; gap: 0.9rem; align-items: flex-start; }
.commitment-num {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--color-ink); color: var(--color-bg-alt);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.9rem; flex: none;
}
@media (max-width: 860px) { .commitment-grid { grid-template-columns: 1fr; } }

/* -- FAQ accordion -- */
.faq-list { display: flex; flex-direction: column; gap: 0.9rem; max-width: 780px; margin-inline: auto; }
.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.4rem;
  background: none;
  border: none;
  font: inherit;
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-ink);
  cursor: pointer;
  text-align: start;
}
.faq-question .plus {
  flex: none;
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 1px solid var(--color-line-strong);
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.3s var(--ease-editorial);
  font-weight: 700;
}
.faq-item.is-open .faq-question .plus { transform: rotate(45deg); background: var(--color-ink); color: #fff; border-color: var(--color-ink); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-editorial);
}
.faq-answer p {
  padding: 0 1.4rem 1.2rem;
  color: var(--color-ink-soft);
}
.faq-item.is-open .faq-answer { max-height: 400px; }

/* -- Case studies -- */
.case-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.case-metric {
  display: inline-flex;
  align-self: flex-start;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-pill);
  background: var(--color-ink);
  color: var(--color-bg-alt);
  font-weight: 700;
  font-size: 0.85rem;
}
.case-label { font-size: 0.85rem; font-weight: 700; color: var(--color-accent-deep); margin-top: 0.75rem; }

/* -- Program phases -- */
.phase-list { display: flex; flex-direction: column; gap: var(--space-3); }
.phase-card {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: var(--space-3);
  background: var(--color-surface);
  border-radius: var(--radius-card);
  padding: var(--space-4);
  box-shadow: var(--shadow-card);
}
.phase-days {
  font-weight: 700;
  color: var(--color-accent-deep);
  font-size: 0.95rem;
}
.phase-deliverables { margin-top: 0.75rem; display: flex; flex-wrap: wrap; gap: 0.5rem; }
@media (max-width: 700px) {
  .phase-card { grid-template-columns: 1fr; }
}

/* -- Social icon row (footer) -- */
.social-row { display: flex; gap: 0.6rem; margin-top: var(--space-2); }
.social-row a {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.2);
  display: flex; align-items: center; justify-content: center;
  transition: background 0.3s ease, border-color 0.3s ease;
}
.social-row a:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.4); }

/* -- Utilities -- */
.text-center { text-align: center; }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.muted { color: var(--color-ink-soft); }
.max-w-sm { max-width: 620px; }
.mx-auto { margin-inline: auto; }

/* -- Reduced motion -- */
/* Collapses every transition/animation to near-instant for users who've
   requested reduced motion at the OS level, without needing per-rule
   overrides. Scroll-reveal elements still reach their final visible
   state (just without the fade/slide), since this only speeds up the
   transition, not the underlying opacity/transform change. */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}