:root,
:root[data-theme='dark'] {
  --bg-0: #07060b;
  --bg-1: #0d0c14;
  --bg-2: #14121d;
  --bg-3: #1d1a29;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text-0: #ffffff;
  --text-1: rgba(255, 255, 255, 0.78);
  --text-2: rgba(255, 255, 255, 0.55);
  --primary: #ff1f57;
  --primary-soft: #ff4d7d;
  --accent: #7c5cff;
  --accent-2: #21d4fd;

  --surface-1: rgba(255, 255, 255, 0.03);
  --surface-2: rgba(255, 255, 255, 0.05);
  --surface-3: rgba(255, 255, 255, 0.06);
  --surface-input: rgba(0, 0, 0, 0.4);
  --surface-input-focus: rgba(0, 0, 0, 0.6);
  --header-bg: rgba(7, 6, 11, 0.65);
  --nav-mobile-bg: rgba(7, 6, 11, 0.96);
  --hero-card-bg: rgba(10, 9, 17, 0.75);
  --grid-dot: rgba(255, 255, 255, 0.04);
  --glow-primary: rgba(255, 31, 87, 0.22);
  --glow-accent: rgba(124, 92, 255, 0.22);
  --glow-accent-2: rgba(33, 212, 253, 0.16);
}

:root[data-theme='light'] {
  --bg-0: #f6f5fb;
  --bg-1: #ffffff;
  --bg-2: #f1eef9;
  --bg-3: #e6e2f3;
  --border: rgba(10, 8, 30, 0.08);
  --border-strong: rgba(10, 8, 30, 0.16);
  --text-0: #0b0820;
  --text-1: rgba(11, 8, 32, 0.78);
  --text-2: rgba(11, 8, 32, 0.55);
  --primary: #e60046;
  --primary-soft: #ff3a73;
  --accent: #5a3df0;
  --accent-2: #0aa2c7;

  --surface-1: rgba(10, 8, 30, 0.03);
  --surface-2: rgba(10, 8, 30, 0.05);
  --surface-3: rgba(10, 8, 30, 0.07);
  --surface-input: rgba(255, 255, 255, 0.9);
  --surface-input-focus: #ffffff;
  --header-bg: rgba(255, 255, 255, 0.75);
  --nav-mobile-bg: rgba(255, 255, 255, 0.98);
  --hero-card-bg: rgba(255, 255, 255, 0.85);
  --grid-dot: rgba(10, 8, 30, 0.07);
  --glow-primary: rgba(255, 31, 87, 0.18);
  --glow-accent: rgba(124, 92, 255, 0.18);
  --glow-accent-2: rgba(33, 212, 253, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Poppins', 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-0);
  color: var(--text-1);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background 0.3s ease, color 0.3s ease;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-1);
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--primary), var(--accent));
  border-radius: 8px;
}

/* ---------- Global background glow ---------- */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    radial-gradient(var(--grid-dot) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
  pointer-events: none;
}

.bg-glow {
  position: fixed;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(60% 50% at 15% 10%, var(--glow-primary), transparent 70%),
    radial-gradient(60% 60% at 85% 0%, var(--glow-accent), transparent 70%),
    radial-gradient(60% 60% at 50% 100%, var(--glow-accent-2), transparent 70%);
  pointer-events: none;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: var(--header-bg);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s ease;
}
.nav-wrap {
  max-width: 1240px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand img {
  height: 38px;
  width: auto;
  border-radius: 6px;
}
.brand-name {
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--text-0);
  font-size: 18px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}
.nav-links a {
  padding: 8px 14px;
  font-size: 14px;
  color: var(--text-1);
  border-radius: 8px;
  transition: 0.2s;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--text-0);
  background: var(--surface-2);
}
.nav-cta {
  margin-left: 12px;
  padding: 9px 18px !important;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white !important;
  font-weight: 500;
  border-radius: 999px !important;
}
.nav-cta:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}
.nav-toggle {
  display: none;
  margin-left: auto;
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--text-0);
  padding: 8px;
  border-radius: 8px;
  cursor: pointer;
}

@media (max-width: 880px) {
  .nav-toggle {
    display: inline-flex;
  }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 16px 20px 22px;
    background: var(--nav-mobile-bg);
    border-bottom: 1px solid var(--border);
    display: none;
  }
  .nav-links.open {
    display: flex;
  }
  .nav-links a {
    padding: 12px 14px;
  }
  .nav-cta {
    text-align: center;
    margin-left: 0;
    margin-top: 6px;
  }
}

/* ---------- Layout helpers ---------- */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: 96px 0;
  position: relative;
}
.section-sm {
  padding: 56px 0;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--text-1);
  background: var(--surface-1);
}
.eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 0 12px var(--primary);
}
h1, h2, h3, h4 {
  color: var(--text-0);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
}
h1 { font-size: clamp(38px, 6vw, 72px); line-height: 1.05; }
h2 { font-size: clamp(28px, 4vw, 44px); line-height: 1.15; }
h3 { font-size: 20px; }
.lead {
  font-size: 18px;
  line-height: 1.6;
  color: var(--text-1);
  max-width: 640px;
}
.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: 0.2s;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  box-shadow: 0 10px 30px rgba(255, 31, 87, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 38px rgba(255, 31, 87, 0.45);
}
.btn-ghost {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text-0);
}
.btn-ghost:hover {
  background: var(--surface-2);
  border-color: var(--text-2);
}

/* ---------- Hero ---------- */
.hero {
  padding: 110px 0 90px;
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
}
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
}
.hero h1 small {
  display: block;
  font-size: 0.42em;
  color: var(--text-2);
  font-weight: 400;
  margin-top: 16px;
  letter-spacing: 0.04em;
}
.hero-cta {
  margin-top: 36px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.hero-visual {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: 32px;
  background:
    radial-gradient(circle at 30% 30%, var(--glow-primary), transparent 60%),
    radial-gradient(circle at 70% 70%, var(--glow-accent), transparent 60%),
    linear-gradient(180deg, var(--bg-2), var(--bg-1));
  border: 1px solid var(--border);
  overflow: hidden;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
}
.orb.a { width: 240px; height: 240px; background: var(--primary); top: -40px; left: -40px; opacity: 0.4; }
.orb.b { width: 200px; height: 200px; background: var(--accent); bottom: -30px; right: -30px; opacity: 0.4; }
.hero-card {
  position: absolute;
  inset: 30px;
  background: var(--hero-card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-strong);
  border-radius: 24px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 13px;
  color: var(--text-1);
}
.hero-card .line { color: var(--text-1); }
.hero-card .accent { color: var(--accent-2); }
.hero-card .pink { color: var(--primary-soft); }
.hero-card .purple { color: var(--accent); }

/* ---------- Theme toggle ---------- */
.theme-toggle {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  color: var(--text-0);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
  margin-left: 6px;
  flex-shrink: 0;
}
.theme-toggle:hover {
  background: var(--surface-3);
  transform: rotate(15deg);
}
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
:root[data-theme='light'] .theme-toggle .icon-sun { display: block; }
:root[data-theme='light'] .theme-toggle .icon-moon { display: none; }

@media (max-width: 880px) {
  .theme-toggle {
    margin-left: auto;
    margin-right: 8px;
  }
}

/* ---------- Stats strip ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 80px;
  padding: 32px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 24px;
}
.stats .item .value {
  font-size: 36px;
  font-weight: 600;
  color: var(--text-0);
  letter-spacing: -0.01em;
}
.stats .item .label {
  font-size: 13px;
  color: var(--text-2);
  margin-top: 4px;
}
@media (max-width: 760px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Section header ---------- */
.section-head {
  max-width: 720px;
  margin-bottom: 56px;
}
.section-head h2 { margin-top: 14px; }
.section-head p { color: var(--text-2); margin-top: 16px; font-size: 17px; line-height: 1.6; }

/* ---------- Cards / grids ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
@media (max-width: 980px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .card-grid { grid-template-columns: 1fr; } }

.card {
  position: relative;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px;
  transition: 0.25s;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 20px;
  padding: 1px;
  background: linear-gradient(135deg, transparent, transparent);
  pointer-events: none;
  transition: 0.3s;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  background: var(--surface-2);
}
.card .icon-square {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
}
.card .icon-square img { width: 36px; height: 36px; object-fit: contain; }
.card h3 { margin-bottom: 8px; }
.card p { font-size: 14.5px; line-height: 1.6; color: var(--text-1); margin: 0; }

/* ---------- Tech grid ---------- */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
@media (max-width: 980px) { .tech-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 560px) { .tech-grid { grid-template-columns: repeat(3, 1fr); } }
.tech {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-1);
  transition: 0.2s;
}
.tech:hover {
  background: var(--surface-3);
  border-color: var(--border-strong);
  transform: translateY(-3px);
}
.tech img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 10px;
}

/* ---------- Client grid ---------- */
.client-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
@media (max-width: 880px) { .client-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .client-grid { grid-template-columns: 1fr; } }
.client {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 32px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 160px;
  transition: 0.2s;
}
.client:hover {
  background: var(--surface-3);
  border-color: var(--border-strong);
}
.client img {
  max-width: 78%;
  max-height: 80px;
  object-fit: contain;
}

/* ---------- Why us list ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}
@media (max-width: 760px) { .feature-grid { grid-template-columns: 1fr; } }
.feature {
  display: flex;
  gap: 18px;
  padding: 26px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 18px;
}
.feature .num {
  flex: 0 0 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: grid;
  place-items: center;
  color: white;
  font-weight: 600;
  font-size: 16px;
}
.feature h3 { margin-bottom: 6px; }
.feature p { color: var(--text-1); font-size: 14.5px; line-height: 1.6; margin: 0; }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
@media (max-width: 880px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
  display: flex;
  gap: 18px;
  align-items: center;
  transition: 0.2s;
}
.contact-card:hover {
  background: var(--surface-3);
  border-color: var(--border-strong);
}
.contact-card .ic {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--glow-primary), var(--glow-accent));
  border: 1px solid var(--border-strong);
}
.contact-card .ic svg { width: 24px; height: 24px; color: var(--primary-soft); }
.contact-card .label { font-size: 12px; text-transform: uppercase; letter-spacing: 1.4px; color: var(--text-2); }
.contact-card .value { color: var(--text-0); font-size: 16px; margin-top: 2px; }

/* form */
.form {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.form label { font-size: 13px; color: var(--text-2); display: block; margin-bottom: 6px; }
.form input, .form textarea {
  width: 100%;
  background: var(--surface-input);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 13px 14px;
  color: var(--text-0);
  font-family: inherit;
  font-size: 14px;
  transition: 0.2s;
}
.form input:focus, .form textarea:focus {
  outline: none;
  border-color: var(--primary-soft);
  background: var(--surface-input-focus);
}
.form textarea { min-height: 130px; resize: vertical; }

/* ---------- CTA banner ---------- */
.cta-banner {
  margin: 0 auto;
  padding: 56px 48px;
  background:
    radial-gradient(circle at 0% 0%, var(--glow-primary), transparent 60%),
    radial-gradient(circle at 100% 100%, var(--glow-accent), transparent 60%),
    var(--surface-1);
  border: 1px solid var(--border-strong);
  border-radius: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-banner h2 { max-width: 600px; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-1);
  padding: 56px 0 28px;
  margin-top: 80px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 36px;
}
@media (max-width: 880px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid h4 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1.4px;
  color: var(--text-2);
  margin-bottom: 14px;
  font-weight: 500;
}
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-grid a { color: var(--text-1); font-size: 14px; transition: 0.2s; }
.footer-grid a:hover { color: var(--text-0); }
.footer-brand p {
  font-size: 14px;
  color: var(--text-2);
  max-width: 360px;
  margin: 14px 0 22px;
  line-height: 1.6;
}
.socials {
  display: flex;
  gap: 10px;
}
.socials a {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  display: grid;
  place-items: center;
  color: var(--text-1);
  transition: 0.2s;
}
.socials a:hover {
  color: white;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-color: transparent;
}
.socials svg { width: 18px; height: 18px; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 13px;
  color: var(--text-2);
}

/* ---------- Page header ---------- */
.page-head {
  padding: 100px 0 60px;
  text-align: center;
}
.page-head .eyebrow { margin-bottom: 18px; }
.page-head h1 { font-size: clamp(36px, 5vw, 56px); }
.page-head p { color: var(--text-2); max-width: 640px; margin: 18px auto 0; font-size: 17px; line-height: 1.6; }

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---------- About story columns ---------- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 880px) { .two-col { grid-template-columns: 1fr; } }
.visual-box {
  aspect-ratio: 4/3;
  border-radius: 24px;
  border: 1px solid var(--border);
  background:
    radial-gradient(circle at 30% 20%, var(--glow-primary), transparent 60%),
    radial-gradient(circle at 70% 80%, var(--glow-accent), transparent 60%),
    var(--surface-1);
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
}
.visual-box img { max-width: 60%; max-height: 60%; }