/* =============================================================
   HAFILAT BALANCE — PREMIUM DESIGN SYSTEM
   hafilat.pages.dev | 2026
   Pure CSS — No frameworks
   ============================================================= */

/* ─── Google Fonts ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ─── Design Tokens ─────────────────────────────────────────── */
:root {
  /* Colors */
  --clr-purple-900: hsl(263, 72%, 16%);
  --clr-purple-800: hsl(263, 65%, 22%);
  --clr-purple-700: hsl(263, 62%, 30%);
  --clr-purple-600: hsl(263, 58%, 38%);
  --clr-purple-500: hsl(263, 55%, 48%);
  --clr-purple-400: hsl(263, 60%, 62%);
  --clr-purple-100: hsl(263, 60%, 95%);
  --clr-purple-50:  hsl(263, 60%, 98%);

  --clr-green-700: hsl(91, 58%, 28%);
  --clr-green-600: hsl(91, 55%, 35%);
  --clr-green-500: hsl(91, 52%, 42%);
  --clr-green-400: hsl(91, 50%, 52%);
  --clr-green-100: hsl(91, 55%, 93%);
  --clr-green-50:  hsl(91, 55%, 97%);

  --clr-amber-500: hsl(38, 95%, 52%);
  --clr-amber-100: hsl(38, 95%, 93%);

  --clr-red-500: hsl(0, 72%, 50%);
  --clr-red-100: hsl(0, 72%, 95%);

  --clr-slate-900: hsl(220, 24%, 10%);
  --clr-slate-800: hsl(220, 20%, 16%);
  --clr-slate-700: hsl(220, 15%, 24%);
  --clr-slate-600: hsl(220, 12%, 35%);
  --clr-slate-500: hsl(220, 10%, 46%);
  --clr-slate-400: hsl(220, 10%, 60%);
  --clr-slate-300: hsl(220, 10%, 75%);
  --clr-slate-200: hsl(220, 12%, 88%);
  --clr-slate-100: hsl(220, 14%, 93%);
  --clr-slate-50:  hsl(220, 20%, 97%);
  --clr-white:     hsl(0, 0%, 100%);

  /* Semantic colors */
  --color-primary:    var(--clr-purple-700);
  --color-primary-dk: var(--clr-purple-800);
  --color-accent:     var(--clr-green-500);
  --color-accent-dk:  var(--clr-green-600);
  --color-text:       var(--clr-slate-800);
  --color-text-muted: var(--clr-slate-500);
  --color-surface:    var(--clr-white);
  --color-surface-2:  var(--clr-slate-50);
  --color-border:     var(--clr-slate-200);
  --color-border-dk:  var(--clr-slate-300);
  --color-bg:         var(--clr-white);

  /* Gradients */
  --grad-hero:        linear-gradient(135deg, hsl(263,72%,16%) 0%, hsl(263,58%,30%) 45%, hsl(91,55%,25%) 100%);
  --grad-primary:     linear-gradient(135deg, var(--clr-purple-700), var(--clr-purple-500));
  --grad-accent:      linear-gradient(135deg, var(--clr-green-600), var(--clr-green-400));
  --grad-card:        linear-gradient(145deg, hsl(263,60%,98%), hsl(263,60%,95%));
  --grad-green-card:  linear-gradient(145deg, hsl(91,55%,97%), hsl(91,55%,93%));

  /* Typography */
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --fw-light:  300;
  --fw-normal: 400;
  --fw-medium: 500;
  --fw-semi:   600;
  --fw-bold:   700;
  --fw-extra:  800;
  --fw-black:  900;

  /* Fluid type scale */
  --text-xs:   clamp(0.7rem,  0.65rem + 0.25vw, 0.8rem);
  --text-sm:   clamp(0.8rem,  0.75rem + 0.25vw, 0.9rem);
  --text-base: clamp(0.9rem,  0.85rem + 0.25vw, 1rem);
  --text-md:   clamp(1rem,    0.9rem  + 0.5vw,  1.125rem);
  --text-lg:   clamp(1.1rem,  1rem    + 0.5vw,  1.25rem);
  --text-xl:   clamp(1.25rem, 1.1rem  + 0.75vw, 1.5rem);
  --text-2xl:  clamp(1.4rem,  1.2rem  + 1vw,    1.875rem);
  --text-3xl:  clamp(1.75rem, 1.4rem  + 1.5vw,  2.5rem);
  --text-4xl:  clamp(2rem,    1.6rem  + 2vw,    3.25rem);
  --text-5xl:  clamp(2.5rem,  2rem    + 2.5vw,  4rem);

  /* Spacing */
  --sp-1:  0.25rem;
  --sp-2:  0.5rem;
  --sp-3:  0.75rem;
  --sp-4:  1rem;
  --sp-5:  1.25rem;
  --sp-6:  1.5rem;
  --sp-8:  2rem;
  --sp-10: 2.5rem;
  --sp-12: 3rem;
  --sp-16: 4rem;
  --sp-20: 5rem;
  --sp-24: 6rem;
  --sp-32: 8rem;

  /* Radii */
  --r-sm:  0.375rem;
  --r-md:  0.75rem;
  --r-lg:  1rem;
  --r-xl:  1.5rem;
  --r-2xl: 2rem;
  --r-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0,0,0,.06);
  --shadow-sm: 0 2px 6px rgba(0,0,0,.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,.10);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.12);
  --shadow-xl: 0 16px 48px rgba(0,0,0,.14);
  --shadow-purple: 0 8px 32px rgba(75,43,130,.25);
  --shadow-green:  0 8px 32px rgba(80,130,40,.20);

  /* Transitions */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast: 150ms;
  --dur-base: 250ms;
  --dur-slow: 400ms;

  /* Layout */
  --container: 75rem;
  --container-sm: 56rem;
  --container-xs: 42rem;
  --nav-h: 4.5rem;
}

/* ─── Dark Mode ──────────────────────────────────────────────── */
@media (prefers-color-scheme: dark) {
  :root {
    --color-text:       hsl(220, 14%, 90%);
    --color-text-muted: hsl(220, 10%, 60%);
    --color-surface:    hsl(220, 24%, 12%);
    --color-surface-2:  hsl(220, 22%, 16%);
    --color-border:     hsl(220, 18%, 24%);
    --color-border-dk:  hsl(220, 16%, 30%);
    --color-bg:         hsl(220, 24%, 10%);
    --grad-card:        linear-gradient(145deg, hsl(263,40%,14%), hsl(263,38%,18%));
    --grad-green-card:  linear-gradient(145deg, hsl(91,30%,12%), hsl(91,30%,16%));
  }
}

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

html {
  font-size: 100%;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--nav-h) + 1rem);
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: var(--color-primary); text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: var(--color-primary-dk); }
ul, ol { padding-left: 1.5rem; }
h1,h2,h3,h4,h5,h6 {
  font-weight: var(--fw-bold);
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--color-text);
}
p + p { margin-top: 0.75rem; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ─── Screen Reader Utility ─────────────────────────────────── */
.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: static; width: auto; height: auto;
  padding: 0.5rem 1rem; margin: 0; overflow: visible;
  clip: auto; white-space: normal;
  background: var(--color-primary); color: white;
  border-radius: var(--r-sm); z-index: 9999;
}

/* ─── Layout Utilities ───────────────────────────────────────── */
.container {
  width: min(var(--container), 100% - 3rem);
  margin-inline: auto;
}
.container--sm { width: min(var(--container-sm), 100% - 3rem); margin-inline: auto; }
.container--xs { width: min(var(--container-xs), 100% - 3rem); margin-inline: auto; }

.section { padding-block: clamp(3rem, 6vw, 6rem); }
.section--sm { padding-block: clamp(2rem, 4vw, 4rem); }
.section--lg { padding-block: clamp(4rem, 8vw, 8rem); }

/* ─── Navigation ─────────────────────────────────────────────── */
.site-header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 1000;
  height: var(--nav-h);
  transition: background var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease);
}
.site-header.scrolled {
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  box-shadow: 0 1px 0 var(--color-border), var(--shadow-sm);
}
@media (prefers-color-scheme: dark) {
  .site-header.scrolled {
    background: rgba(14,18,28,0.88);
  }
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  text-decoration: none;
  font-weight: var(--fw-extra);
  font-size: var(--text-lg);
  color: var(--clr-white);
  letter-spacing: -0.03em;
  transition: opacity var(--dur-fast);
}
.nav__logo:hover { opacity: 0.85; color: var(--clr-white); }
.nav__logo-icon {
  width: 2.25rem; height: 2.25rem;
  background: var(--clr-white);
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0,0,0,.15);
}
.nav__logo-icon svg { width: 1.4rem; height: 1.4rem; }

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  list-style: none;
  padding: 0;
}
.nav__link {
  font-size: var(--text-sm);
  font-weight: var(--fw-semi);
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--r-sm);
  transition: color var(--dur-fast), background var(--dur-fast);
  white-space: nowrap;
}
.nav__link:hover, .nav__link.active {
  color: var(--clr-white);
  background: rgba(255,255,255,0.12);
}
.site-header.scrolled .nav__logo { color: var(--color-primary); }
.site-header.scrolled .nav__logo:hover { color: var(--color-primary-dk); }
.site-header.scrolled .nav__link { color: var(--color-text-muted); }
.site-header.scrolled .nav__link:hover, .site-header.scrolled .nav__link.active {
  color: var(--color-primary);
  background: var(--clr-purple-50);
}
.site-header.scrolled .nav__logo-icon { background: var(--color-primary); }
.site-header.scrolled .nav__logo-icon svg { color: white; }

.nav__cta {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

/* Hamburger */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  padding: var(--sp-2);
  border-radius: var(--r-sm);
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  cursor: pointer;
  transition: background var(--dur-fast);
}
.nav__toggle:hover { background: rgba(255,255,255,0.2); }
.nav__toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: white;
  border-radius: 2px;
  transition: transform var(--dur-base) var(--ease), opacity var(--dur-fast);
  transform-origin: center;
}
.nav__toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.open span:nth-child(2) { opacity: 0; }
.nav__toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.site-header.scrolled .nav__toggle {
  background: var(--color-surface-2);
  border-color: var(--color-border);
}
.site-header.scrolled .nav__toggle span { background: var(--color-text); }

/* Mobile nav drawer */
.nav__drawer {
  display: none;
  position: fixed;
  inset: var(--nav-h) 0 0;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  padding: var(--sp-6) var(--sp-6) var(--sp-10);
  overflow-y: auto;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity var(--dur-base) var(--ease), transform var(--dur-base) var(--ease);
  z-index: 999;
}
@media (prefers-color-scheme: dark) {
  .nav__drawer { background: rgba(14,18,28,0.97); }
}
.nav__drawer.open { opacity: 1; transform: translateY(0); display: block; }
.nav__drawer .nav__links {
  flex-direction: column;
  align-items: flex-start;
  gap: var(--sp-1);
}
.nav__drawer .nav__link {
  color: var(--color-text);
  font-size: var(--text-md);
  padding: var(--sp-3) var(--sp-4);
  width: 100%;
  border-radius: var(--r-md);
}
.nav__drawer .nav__link:hover { background: var(--clr-purple-50); color: var(--color-primary); }

@media (max-width: 860px) {
  .nav__toggle { display: flex; }
  .nav__desktop { display: none; }
}

/* ─── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: 0.75em 1.625em;
  border-radius: var(--r-full);
  font-size: var(--text-sm);
  font-weight: var(--fw-bold);
  font-family: var(--font-body);
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), background var(--dur-fast), color var(--dur-fast);
  white-space: nowrap;
}
.btn:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}
.btn:active { transform: scale(0.97); }

.btn--primary {
  background: var(--grad-primary);
  color: white;
  box-shadow: var(--shadow-purple);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(75,43,130,.32);
  color: white;
}

.btn--accent {
  background: var(--grad-accent);
  color: white;
  box-shadow: var(--shadow-green);
}
.btn--accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(80,130,40,.28);
  color: white;
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn--outline:hover {
  background: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

.btn--ghost {
  background: rgba(255,255,255,0.12);
  color: white;
  border-color: rgba(255,255,255,0.25);
}
.btn--ghost:hover {
  background: rgba(255,255,255,0.22);
  color: white;
}

.btn--sm { font-size: var(--text-xs); padding: 0.55em 1.2em; }
.btn--lg { font-size: var(--text-md); padding: 0.9em 2em; }
.btn--icon { padding: 0.7em; border-radius: var(--r-full); }

/* ─── Hero ───────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  background: var(--grad-hero);
  overflow: hidden;
  padding-block-start: var(--nav-h);
}
.hero__particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.hero__particle {
  position: absolute;
  border-radius: 50%;
  opacity: 0.08;
  animation: float linear infinite;
}
@keyframes float {
  0%   { transform: translateY(100vh) rotate(0deg); opacity: 0; }
  5%   { opacity: 0.08; }
  95%  { opacity: 0.08; }
  100% { transform: translateY(-100px) rotate(720deg); opacity: 0; }
}
.hero__grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 50px 50px;
}
.hero__glow-1, .hero__glow-2 {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.hero__glow-1 {
  width: 40rem; height: 40rem;
  background: radial-gradient(circle, hsla(91,70%,50%,.12) 0%, transparent 70%);
  top: -10%; right: -5%;
}
.hero__glow-2 {
  width: 30rem; height: 30rem;
  background: radial-gradient(circle, hsla(263,80%,70%,.12) 0%, transparent 70%);
  bottom: -5%; left: 10%;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-12);
  align-items: center;
  padding-block: clamp(3rem, 6vw, 6rem);
}
@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; gap: var(--sp-8); }
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--r-full);
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--text-xs);
  font-weight: var(--fw-semi);
  color: rgba(255,255,255,0.9);
  margin-bottom: var(--sp-5);
  backdrop-filter: blur(8px);
  width: fit-content;
}
.hero__badge-dot {
  width: 0.5rem; height: 0.5rem;
  border-radius: 50%;
  background: var(--clr-green-400);
  animation: pulse-dot 2s ease infinite;
  flex-shrink: 0;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.8); }
}

.hero__title {
  font-size: var(--text-5xl);
  font-weight: var(--fw-black);
  color: white;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: var(--sp-5);
}
.hero__title-accent {
  background: linear-gradient(135deg, var(--clr-green-400), hsl(91,60%,70%));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.75);
  line-height: 1.65;
  max-width: 42ch;
  margin-bottom: var(--sp-8);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  align-items: center;
}

.hero__stats {
  display: flex;
  gap: var(--sp-8);
  margin-top: var(--sp-10);
  padding-top: var(--sp-6);
  border-top: 1px solid rgba(255,255,255,0.12);
}
.hero__stat-value {
  font-size: var(--text-2xl);
  font-weight: var(--fw-black);
  color: white;
  letter-spacing: -0.04em;
}
.hero__stat-label {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.6);
  font-weight: var(--fw-medium);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ─── Balance Check Widget ───────────────────────────────────── */
.balance-widget {
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-radius: var(--r-2xl);
  padding: var(--sp-8);
  box-shadow: var(--shadow-xl), 0 0 0 1px rgba(255,255,255,0.3);
}
@media (prefers-color-scheme: dark) {
  .balance-widget { background: rgba(20,24,36,0.96); }
}

.widget__logo {
  display: flex; align-items: center; gap: var(--sp-3); margin-bottom: var(--sp-6);
}
.widget__logo-mark {
  width: 3rem; height: 3rem;
  background: var(--grad-primary);
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-purple);
}
.widget__logo-mark svg { width: 1.5rem; height: 1.5rem; color: white; }
.widget__logo-text {}
.widget__logo-name {
  font-size: var(--text-md);
  font-weight: var(--fw-bold);
  color: var(--color-text);
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.widget__logo-sub {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: var(--fw-medium);
}

.widget__input-label {
  font-size: var(--text-sm);
  font-weight: var(--fw-semi);
  color: var(--color-text);
  margin-bottom: var(--sp-2);
  display: block;
}

.widget__input-wrap {
  position: relative;
  margin-bottom: var(--sp-4);
}
.widget__input-icon {
  position: absolute;
  left: var(--sp-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  width: 1.1rem; height: 1.1rem;
  pointer-events: none;
}
.widget__input {
  width: 100%;
  padding: 0.85rem var(--sp-4) 0.85rem 3rem;
  border: 2px solid var(--color-border);
  border-radius: var(--r-lg);
  font-size: var(--text-md);
  font-family: var(--font-body);
  font-weight: var(--fw-medium);
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
  letter-spacing: 0.05em;
  -moz-appearance: textfield;
}
.widget__input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(75,43,130,.12);
}
.widget__input::placeholder { color: var(--clr-slate-400); letter-spacing: normal; }

.widget__error {
  display: none;
  background: var(--clr-red-100);
  color: var(--clr-red-500);
  border: 1px solid rgba(200,50,50,.2);
  border-radius: var(--r-md);
  padding: var(--sp-3) var(--sp-4);
  font-size: var(--text-sm);
  font-weight: var(--fw-semi);
  margin-bottom: var(--sp-4);
  align-items: center;
  gap: var(--sp-2);
}
.widget__error.show { display: flex; }

.widget__btn {
  width: 100%;
  padding: 0.9rem var(--sp-6);
  border-radius: var(--r-lg);
  font-size: var(--text-md);
  font-weight: var(--fw-bold);
  font-family: var(--font-body);
  background: var(--grad-primary);
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  box-shadow: var(--shadow-purple);
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast);
}
.widget__btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(75,43,130,.32);
}
.widget__btn:active { transform: translateY(0); }
.widget__btn:focus-visible {
  outline: 3px solid var(--clr-green-400);
  outline-offset: 3px;
}

/* Progress steps */
.widget__steps {
  display: none;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
  margin-top: var(--sp-4);
}
.widget__steps.show { display: block; }
.widget__step {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: var(--text-sm);
  font-weight: var(--fw-semi);
  color: var(--clr-slate-400);
  margin-bottom: var(--sp-3);
}
.widget__step:last-child { margin-bottom: 0; }
.widget__step-dot {
  width: 0.6rem; height: 0.6rem;
  border-radius: 50%;
  background: var(--clr-slate-300);
  flex-shrink: 0;
  transition: background var(--dur-base), box-shadow var(--dur-base);
}
.widget__step.active { color: var(--clr-green-600); }
.widget__step.active .widget__step-dot {
  background: var(--clr-green-500);
  box-shadow: 0 0 8px var(--clr-green-400);
}
.widget__step.done { color: var(--color-text-muted); }
.widget__step.done .widget__step-dot { background: var(--clr-green-600); }

.widget__progress-bar {
  height: 5px;
  background: var(--color-border);
  border-radius: var(--r-full);
  overflow: hidden;
  margin-top: var(--sp-4);
}
.widget__progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--clr-green-500), var(--clr-purple-500));
  border-radius: var(--r-full);
  transition: width 7s linear;
}

.widget__quick-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-2);
  margin-top: var(--sp-4);
}
.widget__quick-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-1);
  padding: var(--sp-3) var(--sp-2);
  border: 1.5px solid var(--color-border);
  border-radius: var(--r-md);
  background: var(--color-surface);
  text-decoration: none;
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: var(--fw-bold);
  text-align: center;
  transition: all var(--dur-fast);
}
.widget__quick-link:hover {
  border-color: var(--color-primary);
  background: var(--clr-purple-50);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.widget__quick-link svg { width: 1.1rem; height: 1.1rem; color: var(--color-primary); }

.widget__disclaimer {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: center;
  margin-top: var(--sp-4);
  line-height: 1.5;
}

/* ─── Section Headings ───────────────────────────────────────── */
.section-label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  background: var(--clr-purple-100);
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--r-full);
  margin-bottom: var(--sp-4);
}
.section-title {
  font-size: var(--text-4xl);
  font-weight: var(--fw-black);
  letter-spacing: -0.04em;
  line-height: 1.15;
  margin-bottom: var(--sp-4);
}
.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.65;
  max-width: 55ch;
}
.text-center { text-align: center; }
.text-center .section-subtitle { margin-inline: auto; }

/* ─── Cards ──────────────────────────────────────────────────── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--r-xl);
  padding: var(--sp-6);
  transition: transform var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease), border-color var(--dur-base);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border-dk);
}

.card--purple {
  background: var(--grad-card);
  border-color: rgba(75,43,130,.12);
}
.card--purple:hover { border-color: rgba(75,43,130,.25); }

.card--green {
  background: var(--grad-green-card);
  border-color: rgba(80,130,40,.12);
}
.card--green:hover { border-color: rgba(80,130,40,.25); }

.card--highlight {
  background: var(--grad-primary);
  border: none;
  color: white;
}

.card__icon {
  width: 3rem; height: 3rem;
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--sp-5);
  flex-shrink: 0;
}
.card__icon--purple { background: var(--clr-purple-100); color: var(--color-primary); }
.card__icon--green  { background: var(--clr-green-100);  color: var(--clr-green-600); }
.card__icon--amber  { background: var(--clr-amber-100);  color: hsl(38,90%,35%); }
.card__icon--white  { background: rgba(255,255,255,0.15); color: white; }
.card__icon svg { width: 1.4rem; height: 1.4rem; }

.card__title {
  font-size: var(--text-lg);
  font-weight: var(--fw-bold);
  margin-bottom: var(--sp-2);
  letter-spacing: -0.02em;
}
.card__body { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.65; }
.card--highlight .card__body { color: rgba(255,255,255,0.8); }
.card--highlight .card__title { color: white; }

/* Method cards */
.method-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); gap: var(--sp-4); }
.method-card {
  border-radius: var(--r-xl);
  padding: var(--sp-6);
  display: flex; flex-direction: column; gap: var(--sp-3);
  border: 2px solid transparent;
  transition: all var(--dur-base) var(--ease);
  cursor: default;
}
.method-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.method-card--app { background: linear-gradient(135deg, #f3f0ff, #ede9fe); border-color: rgba(124,58,237,.15); }
.method-card--web { background: linear-gradient(135deg, #eff6ff, #dbeafe); border-color: rgba(59,130,246,.15); }
.method-card--machine { background: linear-gradient(135deg, #f0fdf4, #dcfce7); border-color: rgba(34,197,94,.15); }
.method-card--bus { background: linear-gradient(135deg, #fff7ed, #fed7aa); border-color: rgba(249,115,22,.15); }
.method-card__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: var(--text-xs);
  font-weight: var(--fw-bold);
  padding: 0.2em 0.7em;
  border-radius: var(--r-full);
  width: fit-content;
}
.method-card--app .method-card__badge { background: rgba(124,58,237,.1); color: #6d28d9; }
.method-card--web .method-card__badge { background: rgba(59,130,246,.1); color: #1d4ed8; }
.method-card--machine .method-card__badge { background: rgba(34,197,94,.1); color: #15803d; }
.method-card--bus .method-card__badge { background: rgba(249,115,22,.1); color: #c2410c; }
.method-card__name { font-size: var(--text-xl); font-weight: var(--fw-black); letter-spacing: -0.03em; }
.method-card__desc { font-size: var(--text-sm); color: var(--clr-slate-600); line-height: 1.6; }
.method-card__tags { display: flex; flex-wrap: wrap; gap: var(--sp-2); margin-top: auto; }
.method-card__tag {
  font-size: var(--text-xs);
  font-weight: var(--fw-semi);
  padding: 0.25em 0.65em;
  border-radius: var(--r-full);
  background: rgba(255,255,255,0.7);
  color: var(--clr-slate-700);
}

/* ─── Tables ─────────────────────────────────────────────────── */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--r-xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
  min-width: 36rem;
}
.data-table thead th {
  background: var(--color-primary);
  color: white;
  font-weight: var(--fw-bold);
  padding: var(--sp-4) var(--sp-5);
  text-align: left;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
}
.data-table thead th:first-child { border-radius: var(--r-lg) 0 0 0; }
.data-table thead th:last-child  { border-radius: 0 var(--r-lg) 0 0; }
.data-table tbody tr {
  border-bottom: 1px solid var(--color-border);
  transition: background var(--dur-fast);
}
.data-table tbody tr:last-child { border-bottom: none; }
.data-table tbody tr:hover { background: var(--clr-purple-50); }
.data-table td {
  padding: var(--sp-4) var(--sp-5);
  color: var(--color-text);
  vertical-align: middle;
  line-height: 1.5;
}
.data-table td:first-child { font-weight: var(--fw-semi); }

.badge {
  display: inline-flex; align-items: center; gap: 0.3rem;
  font-size: var(--text-xs); font-weight: var(--fw-bold);
  padding: 0.2em 0.7em; border-radius: var(--r-full);
}
.badge--yes { background: var(--clr-green-100); color: var(--clr-green-700); }
.badge--no  { background: var(--clr-red-100);   color: var(--clr-red-500); }
.badge--partial { background: var(--clr-amber-100); color: hsl(38,90%,35%); }

/* ─── Step Guide ─────────────────────────────────────────────── */
.steps-grid { display: flex; flex-direction: column; gap: var(--sp-6); }
.step-item {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: var(--sp-5);
  align-items: flex-start;
  position: relative;
}
.step-item + .step-item::before {
  content: '';
  position: absolute;
  left: 2rem;
  top: -1.5rem;
  bottom: auto;
  width: 2px;
  height: 1.5rem;
  background: var(--color-border);
  transform: translateX(-50%);
}
.step-number {
  width: 4rem; height: 4rem;
  border-radius: 50%;
  background: var(--grad-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: var(--text-lg);
  font-weight: var(--fw-black);
  color: white;
  flex-shrink: 0;
  box-shadow: var(--shadow-purple);
  letter-spacing: -0.03em;
}
.step-content__title {
  font-size: var(--text-lg);
  font-weight: var(--fw-bold);
  letter-spacing: -0.02em;
  margin-bottom: var(--sp-2);
}
.step-content__body { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.65; }
.step-content__img {
  margin-top: var(--sp-4);
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}
.step-content__img img { width: 100%; }

/* ─── FAQ Accordion ──────────────────────────────────────────── */
.faq-list { display: flex; flex-direction: column; gap: var(--sp-2); }
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
}
.faq-item.open {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(75,43,130,.06);
}
.faq-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding: var(--sp-5) var(--sp-6);
  width: 100%;
  background: var(--color-surface);
  border: none;
  cursor: pointer;
  font-size: var(--text-base);
  font-weight: var(--fw-semi);
  color: var(--color-text);
  text-align: left;
  font-family: var(--font-body);
  transition: background var(--dur-fast);
}
.faq-trigger:hover { background: var(--clr-purple-50); }
.faq-trigger:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: -3px;
}
.faq-item.open .faq-trigger { background: var(--clr-purple-50); }
.faq-icon {
  flex-shrink: 0;
  width: 1.5rem; height: 1.5rem;
  border-radius: 50%;
  background: var(--clr-purple-100);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-primary);
  transition: transform var(--dur-base) var(--ease), background var(--dur-base);
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: var(--color-primary);
  color: white;
}
.faq-icon svg { width: 0.85rem; height: 0.85rem; }
.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--dur-slow) var(--ease-out);
}
.faq-item.open .faq-body { max-height: 50rem; }
.faq-answer {
  padding: 0 var(--sp-6) var(--sp-5);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.75;
}
.faq-answer a { color: var(--color-primary); }
.faq-answer strong { color: var(--color-text); font-weight: var(--fw-semi); }

/* ─── Alert / Note blocks ────────────────────────────────────── */
.alert {
  display: flex;
  gap: var(--sp-4);
  padding: var(--sp-5) var(--sp-6);
  border-radius: var(--r-lg);
  border-inline-start: 4px solid;
  font-size: var(--text-sm);
  line-height: 1.65;
}
.alert__icon { flex-shrink: 0; width: 1.25rem; height: 1.25rem; margin-top: 0.1rem; }
.alert--info { background: var(--clr-purple-50); border-color: var(--color-primary); }
.alert--info .alert__icon { color: var(--color-primary); }
.alert--success { background: var(--clr-green-50); border-color: var(--clr-green-500); }
.alert--success .alert__icon { color: var(--clr-green-600); }
.alert--warning { background: var(--clr-amber-100); border-color: var(--clr-amber-500); }
.alert--warning .alert__icon { color: hsl(38,90%,35%); }

/* ─── Image + Content Splits ─────────────────────────────────── */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-12);
  align-items: center;
}
.split--reverse { direction: rtl; }
.split--reverse > * { direction: ltr; }
@media (max-width: 800px) {
  .split, .split--reverse { grid-template-columns: 1fr; gap: var(--sp-8); direction: ltr; }
  .split--reverse > * { direction: ltr; }
}
.split__img {
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
}
.split__img img { width: 100%; }

/* ─── Arabic Section ─────────────────────────────────────────── */
.arabic-section {
  direction: rtl;
  background: linear-gradient(135deg, hsl(263,40%,14%), hsl(263,50%,20%));
  border-radius: var(--r-2xl);
  padding: var(--sp-10);
  color: white;
}
.arabic-section h2 {
  font-size: var(--text-3xl);
  margin-bottom: var(--sp-4);
  color: white;
}
.arabic-section p { font-size: var(--text-md); color: rgba(255,255,255,0.8); line-height: 1.9; }
.arabic-section strong { color: white; }
.arabic-section a { color: var(--clr-green-400); }

/* ─── Page Hero (inner pages) ────────────────────────────────── */
.page-hero {
  background: var(--grad-hero);
  padding: clamp(5rem, 10vw, 8rem) 0 clamp(3rem, 6vw, 5rem);
  position: relative;
  overflow: hidden;
}
.page-hero__bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
}
.page-hero__breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.6);
  margin-bottom: var(--sp-5);
  flex-wrap: wrap;
}
.page-hero__breadcrumb a { color: rgba(255,255,255,0.7); text-decoration: none; }
.page-hero__breadcrumb a:hover { color: white; }
.page-hero__breadcrumb-sep { color: rgba(255,255,255,0.3); }
.page-hero__title {
  font-size: var(--text-4xl);
  font-weight: var(--fw-black);
  color: white;
  letter-spacing: -0.04em;
  line-height: 1.15;
  max-width: 22ch;
  margin-bottom: var(--sp-5);
}
.page-hero__subtitle {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.72);
  max-width: 55ch;
  line-height: 1.6;
  margin-bottom: var(--sp-6);
}
.page-hero__tags { display: flex; flex-wrap: wrap; gap: var(--sp-2); }
.page-hero__tag {
  font-size: var(--text-xs);
  font-weight: var(--fw-semi);
  padding: 0.3em 0.9em;
  border-radius: var(--r-full);
  background: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.85);
  border: 1px solid rgba(255,255,255,0.18);
}

/* ─── Article Content ────────────────────────────────────────── */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 22rem;
  gap: var(--sp-12);
  align-items: flex-start;
}
@media (max-width: 1100px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { display: none; }
}

.article-content h2 {
  font-size: var(--text-3xl);
  font-weight: var(--fw-black);
  letter-spacing: -0.04em;
  margin-top: var(--sp-12);
  margin-bottom: var(--sp-4);
  color: var(--color-text);
  padding-bottom: var(--sp-3);
  border-bottom: 2px solid var(--color-border);
}
.article-content h2:first-child { margin-top: 0; }
.article-content h3 {
  font-size: var(--text-2xl);
  font-weight: var(--fw-bold);
  letter-spacing: -0.03em;
  margin-top: var(--sp-8);
  margin-bottom: var(--sp-3);
  color: var(--color-text);
}
.article-content h4 {
  font-size: var(--text-xl);
  font-weight: var(--fw-bold);
  margin-top: var(--sp-6);
  margin-bottom: var(--sp-2);
  color: var(--color-text);
}
.article-content p {
  font-size: var(--text-md);
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: var(--sp-4);
}
.article-content ul, .article-content ol {
  margin-bottom: var(--sp-5);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.article-content li {
  font-size: var(--text-md);
  line-height: 1.7;
  color: var(--color-text);
}
.article-content li::marker { color: var(--color-primary); font-weight: var(--fw-bold); }
.article-content a { font-weight: var(--fw-medium); }
.article-content strong { font-weight: var(--fw-semi); color: var(--color-text); }
.article-content em { color: var(--color-text-muted); }
.article-content .table-wrap { margin-block: var(--sp-6); }
.article-content .alert { margin-block: var(--sp-5); }
.article-content figure { margin-block: var(--sp-6); }
.article-content figure img {
  border-radius: var(--r-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  width: 100%;
}
.article-content figcaption {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: center;
  margin-top: var(--sp-2);
  font-style: italic;
}

/* Table of contents sidebar */
.article-sidebar {
  position: sticky;
  top: calc(var(--nav-h) + 1.5rem);
  max-height: calc(100vh - var(--nav-h) - 4rem);
  overflow-y: auto;
}
.toc {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--r-xl);
  padding: var(--sp-6);
}
.toc__title {
  font-size: var(--text-sm);
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--sp-4);
}
.toc__list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}
.toc__link {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text-muted);
  text-decoration: none;
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--r-sm);
  border-left: 2px solid transparent;
  transition: all var(--dur-fast);
  line-height: 1.4;
}
.toc__link:hover, .toc__link.active {
  color: var(--color-primary);
  background: var(--clr-purple-50);
  border-left-color: var(--color-primary);
}

/* ─── Features Grid ──────────────────────────────────────────── */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr)); gap: var(--sp-4); }

/* ─── Testimonials / Callout ─────────────────────────────────── */
.callout {
  background: var(--grad-primary);
  border-radius: var(--r-2xl);
  padding: clamp(2.5rem, 5vw, 4rem);
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
}
.callout::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}
.callout > * { position: relative; z-index: 1; }
.callout__title { font-size: var(--text-3xl); font-weight: var(--fw-black); letter-spacing: -0.04em; margin-bottom: var(--sp-4); }
.callout__subtitle { font-size: var(--text-lg); color: rgba(255,255,255,0.75); margin-bottom: var(--sp-8); max-width: 50ch; margin-inline: auto; }
.callout__actions { display: flex; gap: var(--sp-3); justify-content: center; flex-wrap: wrap; }

/* ─── Footer ─────────────────────────────────────────────────── */
.site-footer {
  background: var(--clr-slate-900);
  color: var(--clr-slate-400);
  padding-top: clamp(3rem, 6vw, 5rem);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--sp-10);
  padding-bottom: var(--sp-10);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
@media (max-width: 860px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--sp-8); }
  .footer-grid > div:first-child { grid-column: 1/-1; }
}
@media (max-width: 500px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.footer-brand__logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  text-decoration: none;
  margin-bottom: var(--sp-4);
}
.footer-brand__logo-mark {
  width: 2.5rem; height: 2.5rem;
  background: var(--grad-primary);
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.footer-brand__logo-mark svg { width: 1.3rem; height: 1.3rem; color: white; }
.footer-brand__name {
  font-size: var(--text-lg);
  font-weight: var(--fw-black);
  color: white;
  letter-spacing: -0.03em;
}
.footer-brand__desc {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--clr-slate-400);
  max-width: 32ch;
  margin-bottom: var(--sp-5);
}
.footer-brand__disclaimer {
  font-size: var(--text-xs);
  color: var(--clr-slate-500);
  line-height: 1.6;
  padding: var(--sp-3) var(--sp-4);
  background: rgba(255,255,255,0.04);
  border-radius: var(--r-md);
  border-left: 3px solid var(--clr-purple-600);
  max-width: 36ch;
}

.footer-col__heading {
  font-size: var(--text-xs);
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--clr-slate-300);
  margin-bottom: var(--sp-4);
}
.footer-links { list-style: none; padding: 0; display: flex; flex-direction: column; gap: var(--sp-2); }
.footer-links a {
  font-size: var(--text-sm);
  color: var(--clr-slate-400);
  text-decoration: none;
  transition: color var(--dur-fast);
}
.footer-links a:hover { color: white; }

.footer-bottom {
  padding-block: var(--sp-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  flex-wrap: wrap;
}
.footer-bottom__copy { font-size: var(--text-xs); color: var(--clr-slate-500); }
.footer-bottom__links {
  display: flex;
  gap: var(--sp-5);
  list-style: none;
  padding: 0;
}
.footer-bottom__links a {
  font-size: var(--text-xs);
  color: var(--clr-slate-500);
  text-decoration: none;
}
.footer-bottom__links a:hover { color: var(--clr-slate-300); }

/* ─── Scroll Animations ──────────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

.fade-in {
  opacity: 0;
  transition: opacity var(--dur-slow) var(--ease);
}
.fade-in.visible { opacity: 1; }

/* Stagger delay utilities */
.delay-1 { transition-delay: 75ms; }
.delay-2 { transition-delay: 150ms; }
.delay-3 { transition-delay: 225ms; }
.delay-4 { transition-delay: 300ms; }
.delay-5 { transition-delay: 375ms; }

/* ─── Inline Utilities ───────────────────────────────────────── */
.mt-4  { margin-top: var(--sp-4); }
.mt-6  { margin-top: var(--sp-6); }
.mt-8  { margin-top: var(--sp-8); }
.mt-10 { margin-top: var(--sp-10); }
.mt-12 { margin-top: var(--sp-12); }
.mb-4  { margin-bottom: var(--sp-4); }
.mb-6  { margin-bottom: var(--sp-6); }
.mb-8  { margin-bottom: var(--sp-8); }
.flex  { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.gap-2 { gap: var(--sp-2); }
.gap-4 { gap: var(--sp-4); }
.gap-6 { gap: var(--sp-6); }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-4); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-4); }
@media (max-width: 640px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }
@media (max-width: 860px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .grid-3 { grid-template-columns: 1fr; } }

.highlight { color: var(--color-primary); font-weight: var(--fw-bold); }
.highlight-green { color: var(--clr-green-600); font-weight: var(--fw-bold); }
.text-muted { color: var(--color-text-muted); }
.divider {
  height: 1px;
  background: var(--color-border);
  margin-block: var(--sp-10);
}

/* ─── 404 Page ───────────────────────────────────────────────── */
.error-page {
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--grad-hero);
  text-align: center;
  padding: var(--sp-10);
}
.error-page__code {
  font-size: clamp(6rem, 20vw, 12rem);
  font-weight: var(--fw-black);
  line-height: 1;
  letter-spacing: -0.06em;
  color: white;
  opacity: 0.15;
  display: block;
}
.error-page__title {
  font-size: var(--text-4xl);
  font-weight: var(--fw-black);
  color: white;
  letter-spacing: -0.04em;
  margin-bottom: var(--sp-4);
}
.error-page__subtitle {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.7);
  margin-bottom: var(--sp-8);
}

/* ─── Contact Form ───────────────────────────────────────────── */
.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--r-2xl);
  padding: var(--sp-10);
  box-shadow: var(--shadow-md);
}
.form-group { margin-bottom: var(--sp-5); }
.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--fw-semi);
  color: var(--color-text);
  margin-bottom: var(--sp-2);
}
.form-input, .form-textarea {
  width: 100%;
  padding: 0.8rem var(--sp-4);
  border: 2px solid var(--color-border);
  border-radius: var(--r-lg);
  font-size: var(--text-base);
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
}
.form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(75,43,130,.10);
}
.form-textarea { resize: vertical; min-height: 9rem; line-height: 1.6; }

/* ─── Print ──────────────────────────────────────────────────── */
@media print {
  .site-header, .site-footer, .nav__toggle, .hero__particles { display: none !important; }
  body { font-size: 12pt; color: black; }
  a[href]::after { content: " (" attr(href) ")"; font-size: 10pt; }
}