/* =========================================================
   AJNA Studios — Styles
   Design system: dark + violet accent + Inter / Space Grotesk
   ========================================================= */

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

/* ---- Tokens -------------------------------------------- */
:root {
  --bg:           #07070f;
  --bg-alt:       #0c0c18;
  --fg:           #e8eaf2;
  --muted:        #9496b0;
  --accent:       hsl(252, 60%, 64%);
  --accent-dim:   hsl(252, 60%, 44%);
  --accent-glow:  hsla(252, 60%, 64%, 0.18);
  --accent-line:  hsla(252, 60%, 64%, 0.35);
  --card:         rgba(255, 255, 255, 0.04);
  --card-hover:   rgba(255, 255, 255, 0.07);
  --border:       rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.16);
  --focus:        hsla(252, 60%, 64%, 0.55);
  --max:          1100px;
  --radius:       16px;
  --radius-sm:    10px;
  --transition:   200ms ease;
}

/* ---- Reset --------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: 'Inter', ui-sans-serif, system-ui, sans-serif;
  font-size: 16px;
  color: var(--fg);
  line-height: 1.6;
  background:
    radial-gradient(ellipse 1400px 700px at 20% -5%, hsla(252,60%,40%,0.09) 0%, transparent 70%),
    radial-gradient(ellipse 900px 600px at 85% 25%,  hsla(252,60%,40%,0.06) 0%, transparent 60%),
    radial-gradient(ellipse 600px 400px at 50% 80%,  hsla(252,60%,40%,0.04) 0%, transparent 60%),
    linear-gradient(180deg, #07070f 0%, #040408 100%);
  background-attachment: fixed;
}

a { color: var(--fg); text-decoration: none; }
a:hover { color: var(--accent); text-decoration: none; }

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', ui-sans-serif, system-ui, sans-serif;
  letter-spacing: -0.3px;
}

/* ---- Layout -------------------------------------------- */
.container {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
}

/* ---- Scroll animations --------------------------------- */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Header -------------------------------------------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(7, 7, 15, 0.78);
  border-bottom: 1px solid var(--border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
}

.brand__logo {
  height: 60px;
  width: auto;
  filter: brightness(0) invert(1);
  transition: opacity var(--transition);
}
.brand__logo:hover { opacity: 0.8; }

.nav {
  display: flex;
  gap: 4px;
  align-items: center;
  flex-wrap: wrap;
}

.nav__link {
  color: var(--muted);
  font-size: 13.5px;
  font-weight: 500;
  padding: 7px 11px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav__link:hover {
  color: var(--fg);
  background: rgba(255,255,255,0.05);
}

.nav__link--lang {
  border: 1px solid var(--border);
  color: var(--fg);
  margin-left: 8px;
  font-size: 12px;
  letter-spacing: 0.5px;
  font-weight: 600;
}
.nav__link--lang:hover {
  border-color: var(--accent-line);
  color: var(--accent);
}

/* ---- Hero --------------------------------------------- */
.hero {
  padding: 90px 0 60px;
  position: relative;
  overflow: hidden;
}

/* Animated subtle grid lines in hero */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 30%, transparent 100%);
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.35fr 0.95fr;
  gap: 32px;
  align-items: start;
  position: relative;
}

.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(30px, 3.4vw, 50px);
  line-height: 1.12;
  font-weight: 700;
  background: linear-gradient(145deg, #ffffff 0%, hsl(252, 60%, 88%) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 16px;
  max-width: 60ch;
  line-height: 1.7;
}

.hero__cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.hero__note {
  margin: 0;
  color: var(--muted);
  font-size: 12.5px;
  letter-spacing: 0.2px;
}

/* Hero side card */
.hero__card {
  padding-top: 8px;
}

/* ---- Buttons ------------------------------------------ */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14px;
  border: 1px solid transparent;
  cursor: pointer;
  background: transparent;
  color: var(--fg);
  transition: background var(--transition), box-shadow var(--transition), border-color var(--transition), transform var(--transition);
  white-space: nowrap;
}
.button:hover { text-decoration: none; transform: translateY(-1px); }

.button--primary {
  background: linear-gradient(135deg, hsl(252,60%,56%), hsl(252,60%,44%));
  border-color: hsl(252,60%,50%);
  color: #fff;
}
.button--primary:hover {
  background: linear-gradient(135deg, hsl(252,60%,62%), hsl(252,60%,50%));
  box-shadow: 0 0 24px var(--accent-glow), 0 4px 16px rgba(0,0,0,0.3);
  border-color: hsl(252,60%,60%);
}

.button--secondary {
  border-color: var(--border-hover);
  color: var(--muted);
}
.button--secondary:hover {
  border-color: var(--accent-line);
  color: var(--accent);
  background: var(--accent-glow);
}

/* ---- Cards & Tiles ------------------------------------- */
.card {
  padding: 22px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--border);
  transition: border-color var(--transition), background var(--transition);
}
.card:hover { border-color: var(--border-hover); background: var(--card-hover); }
.card__title { margin: 0 0 14px; font-size: 16px; color: var(--fg); }

.tile {
  padding: 22px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}
.tile:hover {
  border-color: var(--accent-line);
  background: rgba(255,255,255,0.04);
  transform: translateY(-2px);
}
.tile h3 { margin: 0 0 10px; font-size: 16px; }
.tile p  { margin: 0; color: var(--muted); font-size: 14.5px; line-height: 1.65; }

/* ---- Stack tags --------------------------------------- */
.stack-tags,
.card .stack-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}
.stack-tags li,
.card .stack-tags li {
  padding: 5px 14px;
  border-radius: 20px;
  border: 1px solid var(--accent-line);
  background: var(--accent-glow);
  color: var(--muted);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.2px;
  position: static;
  padding-left: 14px;
  border-bottom: none;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
.stack-tags li::before,
.card .stack-tags li::before {
  content: none;
  display: none;
}
.stack-tags li:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: hsla(252, 60%, 64%, 0.12);
}

/* ---- Sections ----------------------------------------- */
.section { padding: 72px 0; }

.section--alt {
  background: linear-gradient(180deg, rgba(255,255,255,0.025), rgba(255,255,255,0.00));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

h2 {
  margin: 0 0 12px;
  font-size: clamp(22px, 2.2vw, 30px);
  font-weight: 700;
}

h3 { margin: 0 0 8px; font-size: 17px; font-weight: 600; }

.lead {
  margin: 0 0 28px;
  color: var(--muted);
  max-width: 80ch;
  font-size: 15.5px;
  line-height: 1.75;
}

/* ---- Stats row ---------------------------------------- */
.stats {
  display: flex;
  gap: 40px;
  margin: 0 0 32px;
  flex-wrap: wrap;
}
.stat__num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  display: block;
}
.stat__label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

/* ---- Grid layouts ------------------------------------- */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

/* ---- Industry cards ----------------------------------- */
.industry-card {
  padding: 28px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}
.industry-card:hover {
  border-color: var(--accent-line);
  background: rgba(255,255,255,0.04);
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3), 0 0 0 1px var(--accent-line);
}
.industry-card__icon {
  font-size: 2rem;
  margin-bottom: 14px;
  display: block;
}
.industry-card h3 { margin: 0 0 10px; font-size: 17px; color: var(--fg); }
.industry-card p  { margin: 0; color: var(--muted); font-size: 14.5px; line-height: 1.7; }

/* ---- Product cards ------------------------------------ */
.product-card {
  padding: 28px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
  position: relative;
  overflow: hidden;
}
.product-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-dim), var(--accent), var(--accent-dim));
  opacity: 0;
  transition: opacity var(--transition);
}
.product-card:hover {
  border-color: var(--accent-line);
  background: rgba(255,255,255,0.04);
  transform: translateY(-2px);
}
.product-card:hover::before { opacity: 1; }

.product-card__badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.4px;
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid var(--accent-line);
  color: var(--accent);
  margin-bottom: 14px;
  background: var(--accent-glow);
}
.product-card h3 { margin: 0 0 10px; font-size: 17px; color: var(--fg); }
.product-card p  { margin: 0; color: var(--muted); font-size: 14.5px; line-height: 1.7; }

/* ---- Two col layout ----------------------------------- */
.two-col {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 24px;
  align-items: start;
}

/* ---- Callout ------------------------------------------ */
.callout {
  padding: 22px;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
}
.callout h3 { margin: 0 0 8px; font-size: 16px; }
.callout p  { margin: 0; color: var(--muted); font-size: 14.5px; line-height: 1.7; }

/* ---- List --------------------------------------------- */
.list {
  margin: 12px 0 0;
  padding-left: 0;
  list-style: none;
  color: var(--muted);
  font-size: 14.5px;
}
.list li {
  padding: 6px 0 6px 20px;
  position: relative;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.list li:last-child { border-bottom: none; }
.list li::before {
  content: '›';
  position: absolute;
  left: 4px;
  color: var(--accent);
  font-weight: 700;
}

/* ---- Referral banner ---------------------------------- */
.referral-banner {
  padding: 22px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--accent-line);
  background: var(--accent-glow);
  margin-bottom: 28px;
}
.referral-banner h3 {
  margin: 0 0 6px;
  font-size: 16px;
  color: var(--accent);
}
.referral-banner p {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.65;
}

/* ---- Steps -------------------------------------------- */
.steps { display: grid; gap: 14px; margin-top: 20px; }

.step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 14px;
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  transition: border-color var(--transition);
}
.step:hover { border-color: var(--border-hover); }

.step__num {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  border: 1px solid var(--accent-line);
  background: var(--accent-glow);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 18px;
  color: var(--accent);
  flex-shrink: 0;
}

.step__body h3 { margin: 0 0 4px; font-size: 15.5px; }
.step__body p  { margin: 0; color: var(--muted); font-size: 14px; }

.note-box {
  margin-top: 20px;
  padding: 16px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  color: var(--muted);
  font-size: 13.5px;
}

/* ---- Contact ------------------------------------------ */
.contact {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 20px;
  align-items: start;
}

.form label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 14px;
}

input, textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.3);
  color: var(--fg);
  outline: none;
  font-family: inherit;
  font-size: 14px;
  transition: border-color var(--transition);
}
input:focus, textarea:focus {
  border-color: var(--focus);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form__actions { margin-top: 12px; }

.form__hint {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 12px;
}

/* Honeypot anti-spam */
.honeypot {
  position: absolute;
  left: -9999px;
  width: 1px; height: 1px;
  opacity: 0;
  pointer-events: none;
  overflow: hidden;
}

/* ---- Footer ------------------------------------------- */
.footer {
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
}

.footer__inner {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: space-between;
}

.footer__left, .footer__right {
  display: flex;
  gap: 12px;
  align-items: center;
}

.footer__sep { opacity: 0.4; }

.footer__location {
  font-size: 12px;
  color: var(--muted);
  opacity: 0.7;
}

/* ---- Responsive --------------------------------------- */
@media (max-width: 900px) {
  .hero__inner,
  .two-col,
  .contact { grid-template-columns: 1fr; }

  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }

  .stats { gap: 24px; }

  .hero { padding: 64px 0 40px; }
  .section { padding: 56px 0; }
}

@media (max-width: 600px) {
  .nav { gap: 2px; }
  .nav__link { padding: 6px 8px; font-size: 12.5px; }
  .brand__logo { height: 48px; }
}

/* ---- Back to top -------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  left: auto;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--accent-line);
  background: rgba(7, 7, 15, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--accent);
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
  display: grid;
  place-items: center;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 0.3s ease, transform 0.3s ease, background var(--transition), border-color var(--transition);
  z-index: 90;
}
.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.back-to-top:hover {
  background: var(--accent-glow);
  border-color: var(--accent);
}

@media (max-width: 600px) {
  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    font-size: 16px;
  }
}