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

:root {
  --charcoal: #3D3D3D;
  --mid-gray: #A8A8A8;
  --light-gray: #E8E8E8;
  --near-white: #F7F7F7;
  --white: #FFFFFF;
  --text-primary: #1A1A1A;
  --text-secondary: #5A5A5A;
  --text-tertiary: #A0A0A0;
  --border: #E2E2E2;
  --accent: #4361EE;
  --accent-light: #EEF1FD;
  --radius: 14px;
  --radius-sm: 9px;
  --nav-height: 68px;
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition: 0.2s var(--ease);
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--white);
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; }

/* ─── Layout ───────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 96px 0; }

.divider {
  height: 1px;
  background: var(--border);
}

/* ─── Typography helpers ───────────────────────────────────── */
.section__eyebrow {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

.section__title {
  font-size: clamp(1.875rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.12;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.section__sub {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 520px;
  line-height: 1.7;
}

.section__header { margin-bottom: 56px; }

/* ─── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: var(--transition);
  border: 2px solid transparent;
  line-height: 1;
}

.btn--primary {
  background: var(--charcoal);
  color: var(--white);
  border-color: var(--charcoal);
}
.btn--primary:hover {
  background: #222;
  border-color: #222;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

.btn--ghost {
  background: transparent;
  color: var(--charcoal);
  border-color: var(--border);
}
.btn--ghost:hover {
  border-color: var(--charcoal);
  transform: translateY(-1px);
}

.btn--full { width: 100%; justify-content: center; }

/* ─── Nav ──────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(180%) blur(24px);
  -webkit-backdrop-filter: saturate(180%) blur(24px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}

.nav.scrolled { border-bottom-color: var(--border); }

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-mark {
  width: 54px;
  height: auto;
  flex-shrink: 0;
}

.logo-mark--footer {
  width: 44px;
  filter: brightness(0) invert(1) opacity(0.45);
}

.nav__wordmark {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.nav__links {
  display: flex;
  gap: 36px;
}

.nav__links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition);
  letter-spacing: -0.005em;
}
.nav__links a:hover { color: var(--text-primary); }

.nav__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  padding: 4px;
}

.nav__burger span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.22s var(--ease), opacity 0.22s;
  transform-origin: center;
}

.nav__burger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav__mobile {
  display: none;
  flex-direction: column;
  padding: 16px 24px 20px;
  border-top: 1px solid var(--border);
  background: rgba(255,255,255,0.96);
}

.nav__mobile.open { display: flex; }

.nav__mobile-link {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 12px 0;
  border-bottom: 1px solid var(--light-gray);
  transition: color var(--transition);
}
.nav__mobile-link:last-child { border-bottom: none; }
.nav__mobile-link:hover { color: var(--text-primary); }

/* ─── Hero ─────────────────────────────────────────────────── */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--nav-height);
  background: var(--white);
  position: relative;
  overflow: hidden;
}

/* subtle radial glow pulling accent color very faintly */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 50% at 80% 50%, rgba(67,97,238,0.06) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 20% 60%, rgba(61,61,61,0.04) 0%, transparent 60%);
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 64px;
  padding-top: 48px;
  padding-bottom: 72px;
  position: relative;
}

.hero__eyebrow {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.hero__headline {
  font-size: clamp(2.5rem, 5.5vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.08;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.hero__sub {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 440px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero__logo-display {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero__mark {
  width: 100%;
  max-width: 380px;
  filter: drop-shadow(0 24px 64px rgba(0,0,0,0.07)) drop-shadow(0 4px 16px rgba(67,97,238,0.06));
}

.hero__scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
}

.hero__scroll span {
  display: block;
  width: 1.5px;
  height: 48px;
  background: linear-gradient(to bottom, var(--border), transparent);
  margin: 0 auto;
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.35; transform: scaleY(0.6); }
}

/* ─── Apps ─────────────────────────────────────────────────── */
.apps__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.app-card {
  display: flex;
  flex-direction: column;
  background: var(--near-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.2s;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.app-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  transition: border-color 0.2s;
  pointer-events: none;
}

.app-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.09), 0 4px 16px rgba(67,97,238,0.05);
  border-color: #d0d0d0;
}

.app-card:hover::after { border-color: rgba(67,97,238,0.15); }

.app-card__icon-wrap { margin-bottom: 20px; }

.app-card__icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,0.12);
}

.app-card__icon svg { width: 100%; height: 100%; }

.app-card__body { flex: 1; }

.app-card__name {
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin-bottom: 4px;
}

.app-card__platform {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.app-card__desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 20px;
}

.app-card__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--charcoal);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.15s, color 0.15s;
}
.app-card:hover .app-card__link {
  gap: 8px;
  color: var(--accent);
}

.app-card__badge {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--light-gray);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-tertiary);
  letter-spacing: 0.02em;
}

/* ─── Services ─────────────────────────────────────────────── */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.service-card {
  padding: 32px 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s, box-shadow 0.25s var(--ease), transform 0.25s var(--ease);
  background: var(--white);
}

.service-card:hover {
  border-color: rgba(67,97,238,0.25);
  box-shadow: 0 12px 40px rgba(67,97,238,0.07), 0 2px 8px rgba(0,0,0,0.04);
  transform: translateY(-4px);
}

.service-card__icon {
  width: 40px;
  height: 40px;
  margin-bottom: 20px;
  color: var(--accent);
}

.service-card__icon svg { width: 100%; height: 100%; }

.service-card__title {
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin-bottom: 10px;
}

.service-card__desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ─── About ────────────────────────────────────────────────── */
.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about__text .section__title { margin-bottom: 20px; }

.about__body {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.about__text .btn { margin-top: 1.5rem; }

.about__visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

.about__mark {
  width: 100%;
  max-width: 240px;
  opacity: 0.55;
  filter: grayscale(0.2);
}

.about__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.pill {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text-secondary);
  background: var(--near-white);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 5px 13px;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.pill:hover {
  background: var(--accent-light);
  color: var(--accent);
  border-color: rgba(67,97,238,0.2);
}

/* ─── Contact ──────────────────────────────────────────────── */
.contact__inner { max-width: 680px; }

.contact__form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.form__group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form__group label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.01em;
}

.form__group input,
.form__group select,
.form__group textarea {
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.9375rem;
  color: var(--text-primary);
  background: var(--white);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  resize: vertical;
}

.form__group input::placeholder,
.form__group textarea::placeholder { color: var(--text-tertiary); }

.form__group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23A0A0A0' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  cursor: pointer;
}

.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(67,97,238,0.1);
}

/* honeypot — visually hidden, not display:none (some bots skip those) */
.form__honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form__feedback {
  font-size: 0.9375rem;
  font-weight: 500;
  text-align: center;
  padding: 13px;
  border-radius: var(--radius-sm);
}

.form__success {
  color: #166534;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
}

.form__error {
  color: #991b1b;
  background: #fef2f2;
  border: 1px solid #fecaca;
}

.contact__alt {
  margin-top: 20px;
  font-size: 0.875rem;
  color: var(--text-tertiary);
}

.contact__email-inline {
  color: var(--text-secondary);
  font-weight: 500;
  transition: color var(--transition);
  border-bottom: 1px solid var(--border);
}
.contact__email-inline:hover { color: var(--accent); border-bottom-color: var(--accent); }

.contact__email-fallback { color: var(--text-tertiary); font-weight: 400; }
.js-email-ready .contact__email-fallback { display: none; }

/* ─── Footer ───────────────────────────────────────────────── */
.footer {
  background: #0f0f0f;
  padding: 44px 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer__copy {
  font-size: 0.8125rem;
  color: #555;
}

.footer__links {
  display: flex;
  gap: 28px;
}

.footer__links a {
  font-size: 0.8125rem;
  color: #555;
  transition: color 0.15s;
}
.footer__links a:hover { color: #aaa; }

/* ─── Scroll reveal ────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.reveal.visible { opacity: 1; transform: none; }

/* ─── Responsive ───────────────────────────────────────────── */
@media (max-width: 960px) {
  .apps__grid,
  .services__grid { grid-template-columns: 1fr 1fr; }

  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 48px;
    padding-bottom: 80px;
  }

  .hero__sub { margin-left: auto; margin-right: auto; }
  .hero__actions { justify-content: center; }
  .hero__logo-display { order: -1; }
  .hero__mark { max-width: 240px; }

  .about__inner { grid-template-columns: 1fr; gap: 48px; }
  .about__visual { display: none; }

  .section { padding: 72px 0; }
}

@media (max-width: 640px) {
  .nav__links { display: none; }
  .nav__burger { display: flex; }

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

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

  .footer__inner { flex-direction: column; text-align: center; gap: 16px; }
  .footer__logo { display: none; }

  .section { padding: 56px 0; }
  .section__header { margin-bottom: 40px; }
  .hero__scroll { display: none; }
}