/* =============================================================
   Charlnetic Technologies — Complete Redesign
   Aesthetic: Editorial / Linear-inspired / Stripe-like
   ============================================================= */

/* ── Theme Tokens ── */
:root {
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Space Grotesk', sans-serif;

  --ease: cubic-bezier(.4, 0, .2, 1);
  --ease-spring: cubic-bezier(.34, 1.56, .64, 1);
  --dur: .3s;
  --dur-slow: .6s;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --header-h: 72px;
  --container: 1180px;
}

/* Dark (default) */
body, body.dark {
  --bg-0: #09090b;
  --bg-1: #111114;
  --bg-2: #18181c;
  --bg-3: #222228;
  --surface: rgba(255,255,255,.04);
  --surface-hover: rgba(255,255,255,.07);
  --border: rgba(255,255,255,.08);
  --border-strong: rgba(255,255,255,.14);
  --text-0: #fafafa;
  --text-1: #a1a1aa;
  --text-2: #71717a;
  --accent: #a78bfa;          /* soft violet */
  --accent-2: #38bdf8;        /* sky blue */
  --accent-bg: rgba(167,139,250,.08);
  --accent-glow: rgba(167,139,250,.25);
  --gradient: linear-gradient(135deg, #a78bfa 0%, #38bdf8 100%);
  --gradient-subtle: linear-gradient(135deg, rgba(167,139,250,.15) 0%, rgba(56,189,248,.08) 100%);
  --success: #34d399;
  --error: #f87171;
  --input-bg: rgba(255,255,255,.04);
  --shadow-card: 0 1px 3px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.3);
  --shadow-glow: 0 0 40px rgba(167,139,250,.12);
}

/* Light */
body.light {
  --bg-0: #fafafa;
  --bg-1: #f4f4f5;
  --bg-2: #e4e4e7;
  --bg-3: #d4d4d8;
  --surface: rgba(0,0,0,.03);
  --surface-hover: rgba(0,0,0,.06);
  --border: rgba(0,0,0,.08);
  --border-strong: rgba(0,0,0,.15);
  --text-0: #09090b;
  --text-1: #52525b;
  --text-2: #a1a1aa;
  --accent: #7c3aed;
  --accent-2: #0284c7;
  --accent-bg: rgba(124,58,237,.06);
  --accent-glow: rgba(124,58,237,.15);
  --gradient: linear-gradient(135deg, #7c3aed 0%, #0284c7 100%);
  --gradient-subtle: linear-gradient(135deg, rgba(124,58,237,.08) 0%, rgba(2,132,199,.05) 100%);
  --success: #059669;
  --error: #dc2626;
  --input-bg: #fff;
  --shadow-card: 0 1px 3px rgba(0,0,0,.06), 0 8px 24px rgba(0,0,0,.06);
  --shadow-glow: 0 0 40px rgba(124,58,237,.06);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-body);
  background: var(--bg-0);
  color: var(--text-0);
  line-height: 1.65;
  overflow-x: hidden;
  text-align: justify;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; color: inherit; background: none; border: none; outline: none; }
button { cursor: pointer; }
p, li { text-align: justify !important; }

::selection { background: var(--accent); color: #fff; }

::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-0);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-3);
  border-radius: var(--radius-full);
}

/* ── Layout ── */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* Contain all page content below the mobile overlay (z-index: 99) */
main, footer {
  position: relative;
  z-index: 1;
}

/* ── Typography ── */
.heading-2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -.02em;
  margin-bottom: .6em;
  text-align: left;
}

/* Elements that should not be justified */
h1, h2, h3, h4, h5, h6 { text-align: left; }
.header, .footer__bottom, .cta-banner__inner,
.stat-card, .mobile-overlay, .btn,
.hero__heading, .hero__tag, .hero__buttons { text-align: center; }
.header__inner, .hero__content { text-align: left; }

/* Keep centered section descriptions centered (not justified) */
.section-intro__desc, .cta-banner__sub, .footer__tagline, .stat-card__label { text-align: center !important; }

.label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-intro { text-align: center; max-width: 640px; margin: 0 auto 64px; }
.section-intro__desc { color: var(--text-1); font-size: 1.1rem; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 28px;
  font-family: var(--font-display);
  font-weight: 600; font-size: .92rem;
  border-radius: var(--radius-full);
  transition: all var(--dur) var(--ease);
  position: relative;
  white-space: nowrap;
}

.btn--primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 2px 12px var(--accent-glow);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px var(--accent-glow);
}

.btn--ghost {
  background: var(--surface);
  color: var(--text-0);
  border: 1px solid var(--border-strong);
}
.btn--ghost:hover {
  background: var(--surface-hover);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.btn--lg { padding: 16px 36px; font-size: 1rem; }

.btn--block { display: flex; width: 100%; }

.btn:active { transform: translateY(0) !important; }

/* ── Spinner inside button ── */
.btn__spinner {
  display: none;
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
.btn.is-loading .btn__label { opacity: .6; }
.btn.is-loading .btn__spinner { display: block; }

/* ================================================================
   HEADER
   ================================================================ */
.header {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 100;
  height: var(--header-h);
  background: rgba(9,9,11,.65);
  backdrop-filter: blur(16px) saturate(1.6);
  -webkit-backdrop-filter: blur(16px) saturate(1.6);
  border-bottom: 1px solid var(--border);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
body.light .header { background: rgba(250,250,250,.72); }

.header__inner {
  max-width: var(--container);
  margin: 0 auto; padding: 0 24px;
  height: 100%;
  display: flex; align-items: center; justify-content: space-between;
}

/* Logo */
.header__logo { display: flex; align-items: center; gap: 10px; }
.header__logo-img { height: 44px; width: auto; }

/* Theme-aware logo visibility */
body.dark .logo--light, body .logo--light { display: none; }
body.dark .logo--dark, body .logo--dark { display: block; }
body.light .logo--light { display: block; }
body.light .logo--dark { display: none; }

/* Footer logo bigger */
.footer__logo .header__logo-img { height: 52px; }

/* Nav links */
.header__nav { display: flex; gap: 32px; }
.header__nav-link {
  font-size: .9rem; font-weight: 500; color: var(--text-1);
  padding: 6px 0; position: relative;
  transition: color var(--dur) var(--ease);
}
.header__nav-link:hover, .header__nav-link.is-active { color: var(--text-0); }
.header__nav-link::after {
  content: ''; position: absolute; bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--gradient);
  transition: width var(--dur) var(--ease);
}
.header__nav-link:hover::after, .header__nav-link.is-active::after { width: 100%; }

/* Actions */
.header__actions { display: flex; align-items: center; gap: 12px; }

.header__theme-btn {
  width: 38px; height: 38px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-1);
  background: var(--surface);
  transition: all var(--dur) var(--ease);
}
.header__theme-btn:hover { color: var(--accent); background: var(--surface-hover); }

body.dark .icon-sun, body .icon-sun { display: block; }
body.dark .icon-moon, body .icon-moon { display: none; }
body.light .icon-sun { display: none; }
body.light .icon-moon { display: block; }

.header__cta {
  padding: 8px 20px;
  font-family: var(--font-display);
  font-weight: 600; font-size: .85rem;
  border-radius: var(--radius-full);
  background: var(--gradient);
  color: #fff;
  transition: all var(--dur) var(--ease);
}
.header__cta:hover { box-shadow: 0 4px 16px var(--accent-glow); transform: translateY(-1px); }

/* Burger */
.header__burger {
  display: none;
  width: 38px; height: 38px;
  position: relative; z-index: 110;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.header__burger span {
  display: block; width: 20px; height: 2px;
  background: var(--text-0);
  transition: all var(--dur) var(--ease);
  transform-origin: center;
}
.header__burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.header__burger.is-open span:nth-child(2) { opacity: 0; }
.header__burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile overlay */
.mobile-overlay {
  position: fixed; inset: 0;
  background: #09090b;
  z-index: 99;
  padding: calc(var(--header-h) + 48px) 32px 32px;
  display: flex; align-items: flex-start; justify-content: center;
  opacity: 0; visibility: hidden;
  transition: opacity var(--dur) var(--ease), visibility var(--dur) var(--ease);
}
body.light .mobile-overlay { background: #fafafa; }
.mobile-overlay.is-open { opacity: 1; visibility: visible; }
.mobile-overlay__nav { display: flex; flex-direction: column; gap: 28px; text-align: center; }
.mobile-overlay__link {
  font-family: var(--font-display);
  font-size: 1.6rem; font-weight: 600;
  color: var(--text-1);
  transition: color var(--dur) var(--ease);
}
.mobile-overlay__link:hover { color: var(--text-0); }
.mobile-overlay__cta { margin-top: 16px; }

/* ================================================================
   HERO
   ================================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  padding: calc(var(--header-h) + 40px) 0 80px;
  overflow: hidden;
}

/* Animated mesh orbs */
.hero__mesh { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: .5;
}
.hero__orb--1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
  top: -10%; right: -5%;
  animation: orb-float 14s ease-in-out infinite alternate;
}
.hero__orb--2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--accent-2) 0%, transparent 70%);
  bottom: -15%; left: -8%;
  animation: orb-float 18s ease-in-out infinite alternate-reverse;
}
.hero__orb--3 {
  width: 350px; height: 350px;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
  top: 40%; left: 50%;
  transform: translateX(-50%);
  opacity: .25;
  animation: orb-float 10s ease-in-out infinite alternate;
}

/* Grain / noise overlay */
.hero__noise {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  opacity: .35;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.06'/%3E%3C/svg%3E");
  background-repeat: repeat;
}

.hero__content {
  position: relative; z-index: 2;
  max-width: 800px;
}

.hero__tag {
  font-family: var(--font-display);
  font-size: .85rem; font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
  opacity: 0; animation: fade-up .8s var(--ease) .1s forwards;
}

.hero__heading {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -.03em;
  margin-bottom: 28px;
  opacity: 0; animation: fade-up .8s var(--ease) .25s forwards;
}
.hero__heading--accent {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__sub {
  font-size: 1.15rem; line-height: 1.7;
  color: var(--text-1);
  max-width: 600px;
  margin-bottom: 40px;
  opacity: 0; animation: fade-up .8s var(--ease) .4s forwards;
}

.hero__buttons {
  display: flex; gap: 16px; flex-wrap: wrap;
  opacity: 0; animation: fade-up .8s var(--ease) .55s forwards;
}

/* Scroll hint */
.hero__scroll-hint {
  position: absolute; bottom: 40px; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--text-2); font-size: .75rem; letter-spacing: .1em; text-transform: uppercase;
  z-index: 2;
}
.hero__scroll-line {
  width: 1px; height: 48px;
  background: var(--border-strong);
  position: relative; overflow: hidden;
}
.hero__scroll-line::after {
  content: '';
  position: absolute; top: -100%; left: 0;
  width: 100%; height: 50%;
  background: var(--accent);
  animation: scroll-pulse 2s ease-in-out infinite;
}

/* ================================================================
   ABOUT / STATS
   ================================================================ */
.about { padding: 120px 0; }

.about__grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 64px;
  align-items: center;
}

.about__text p {
  color: var(--text-1); font-size: 1.05rem;
  margin-bottom: 20px;
}
.about__text p:last-child { margin-bottom: 0; }

.about__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--dur) var(--ease);
}
.stat-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}
.stat-card__number {
  font-family: var(--font-display);
  font-size: 2.6rem; font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.stat-card__suffix {
  font-family: var(--font-display);
  font-size: 1.6rem; font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-card__label {
  display: block;
  margin-top: 8px;
  font-size: .85rem; color: var(--text-2);
}

/* ================================================================
   SERVICES
   ================================================================ */
.services { padding: 120px 0; background: var(--bg-1); }

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.svc-card {
  background: var(--bg-0);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 40px 32px 36px;
  transition: all var(--dur) var(--ease);
  position: relative;
  overflow: hidden;
}
.svc-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-slow) var(--ease);
}
.svc-card:hover {
  border-color: transparent;
  box-shadow: var(--shadow-card);
  transform: translateY(-6px);
}
.svc-card:hover::before { transform: scaleX(1); }

.svc-card__icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-sm);
  background: var(--gradient-subtle);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
  margin-bottom: 24px;
  transition: all var(--dur) var(--ease);
}
.svc-card:hover .svc-card__icon {
  background: var(--gradient);
  color: #fff;
  border-color: transparent;
  transform: scale(1.05);
}

.svc-card__title {
  font-family: var(--font-display);
  font-size: 1.15rem; font-weight: 600;
  margin-bottom: 12px;
}

.svc-card__desc {
  color: var(--text-1); font-size: .92rem; line-height: 1.65;
}

/* ================================================================
   PROCESS
   ================================================================ */
.process { padding: 120px 0; }

.process__timeline {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  padding-left: 48px;
}
.process__timeline::before {
  content: '';
  position: absolute; top: 0; left: 18px;
  width: 2px; height: 100%;
  background: var(--border);
}

.process__step {
  position: relative;
  padding-bottom: 56px;
  display: flex; gap: 32px;
}
.process__step:last-child { padding-bottom: 0; }

.process__marker {
  position: absolute; left: -48px; top: 0;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--bg-0);
  border: 2px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  z-index: 1;
  transition: all var(--dur) var(--ease);
}
.process__marker span {
  font-family: var(--font-display);
  font-size: .78rem; font-weight: 700;
  color: var(--text-2);
  transition: color var(--dur) var(--ease);
}
.process__step:hover .process__marker {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-bg);
}
.process__step:hover .process__marker span { color: var(--accent); }

.process__body h3 {
  font-family: var(--font-display);
  font-size: 1.2rem; font-weight: 600;
  margin-bottom: 8px;
}
.process__body p {
  color: var(--text-1); font-size: .95rem;
}

/* ================================================================
   CTA BANNER
   ================================================================ */
.cta-banner {
  padding: 100px 0;
  background: var(--gradient);
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.08'/%3E%3C/svg%3E");
  background-repeat: repeat;
  pointer-events: none;
}

.cta-banner__inner {
  text-align: center;
  position: relative; z-index: 1;
}

.cta-banner__heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700; color: #fff;
  margin-bottom: 16px;
}

.cta-banner__sub {
  font-size: 1.1rem; color: rgba(255,255,255,.85);
  margin-bottom: 36px;
  max-width: 540px; margin-left: auto; margin-right: auto;
}

.cta-banner .btn--primary {
  background: #fff;
  color: var(--accent);
  box-shadow: 0 4px 20px rgba(0,0,0,.15);
}
.cta-banner .btn--primary:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,.2);
}

/* ================================================================
   CONTACT
   ================================================================ */
.contact { padding: 120px 0; }

.contact__grid {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 64px;
  align-items: start;
}

.contact__info { padding-top: 8px; }

.contact__info-block { margin-bottom: 32px; }
.contact__info-block h4 {
  font-family: var(--font-display);
  font-size: .85rem; font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-2);
  margin-bottom: 6px;
}
.contact__info-block a, .contact__info-block p {
  font-size: 1.05rem; color: var(--text-0);
  transition: color var(--dur) var(--ease);
}
.contact__info-block a:hover { color: var(--accent); }

.contact__socials { display: flex; gap: 12px; margin-top: 40px; }
.contact__social-link {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-2);
  transition: all var(--dur) var(--ease);
}
.contact__social-link:hover {
  color: var(--accent);
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 4px 16px var(--accent-glow);
}

/* Form */
.contact__form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.form-field { margin-bottom: 24px; }

.form-field label {
  display: block;
  font-family: var(--font-display);
  font-size: .82rem; font-weight: 600;
  color: var(--text-1);
  margin-bottom: 8px;
}
.form-field .req { color: var(--error); }

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 13px 16px;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: .95rem;
  color: var(--text-0);
  transition: all var(--dur) var(--ease);
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-bg);
}

.form-field select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23a1a1aa' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

.form-field textarea { resize: vertical; min-height: 120px; }

.form-field__error {
  display: none;
  font-size: .78rem;
  color: var(--error);
  margin-top: 6px;
}
.form-field.has-error input,
.form-field.has-error textarea { border-color: var(--error); }
.form-field.has-error .form-field__error { display: block; }

.form-status {
  margin-top: 16px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: .92rem;
  display: none;
}
.form-status.is-success {
  display: block;
  background: rgba(52,211,153,.08);
  border: 1px solid var(--success);
  color: var(--success);
}
.form-status.is-error {
  display: block;
  background: rgba(248,113,113,.08);
  border: 1px solid var(--error);
  color: var(--error);
}

/* ================================================================
   FOOTER
   ================================================================ */
.footer {
  border-top: 1px solid var(--border);
  background: var(--bg-1);
  padding: 72px 0 32px;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 56px;
}

.footer__brand { display: flex; flex-direction: column; gap: 16px; }
.footer__tagline { color: var(--text-2); font-size: .9rem; }

.footer__col { display: flex; flex-direction: column; gap: 12px; }
.footer__col h4 {
  font-family: var(--font-display);
  font-size: .8rem; font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text-2);
  margin-bottom: 4px;
}
.footer__col a, .footer__col p {
  font-size: .92rem; color: var(--text-1);
  transition: color var(--dur) var(--ease);
}
.footer__col a:hover { color: var(--accent); }

.footer__bottom {
  border-top: 1px solid var(--border);
  padding-top: 28px;
  text-align: center;
  color: var(--text-2);
  font-size: .82rem;
}

/* ================================================================
   KEYFRAMES
   ================================================================ */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes orb-float {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(30px, -40px) scale(1.15); }
}

@keyframes scroll-pulse {
  0% { top: -100%; }
  100% { top: 200%; }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Scroll-triggered fade-in */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 1024px) {
  .about__grid { grid-template-columns: 1fr; gap: 48px; }
  .services__grid { grid-template-columns: 1fr 1fr; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .header__nav, .header__cta { display: none; }
  .header__burger { display: flex; }

  .hero__heading { font-size: clamp(2.2rem, 8vw, 3.5rem); }
  .hero__scroll-hint { display: none; }

  .services__grid { grid-template-columns: 1fr; }

  .contact__grid { grid-template-columns: 1fr; gap: 40px; }
  .contact__form { padding: 28px; }

  .footer__inner { grid-template-columns: 1fr; }
  .footer__brand { grid-column: 1; }
}

@media (max-width: 480px) {
  .hero__buttons { flex-direction: column; }
  .hero__buttons .btn { width: 100%; }
  .about__stats { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-card { padding: 24px 16px; }
  .stat-card__number { font-size: 2rem; }
}
