/* ═══════════════════════════════════════════════════════
   ANATHRON — Global Styles
   ═══════════════════════════════════════════════════════ */

:root {
  --blue:       #1E40AF;
  --blue-light: #3B82F6;
  --blue-dark:  #1E3A8A;
  --blue-50:    #EFF6FF;
  --blue-100:   #DBEAFE;
  --dark:       #0F172A;
  --dark-2:     #1E293B;
  --gray-900:   #111827;
  --gray-700:   #374151;
  --gray-500:   #6B7280;
  --gray-300:   #D1D5DB;
  --gray-100:   #F3F4F6;
  --gray-50:    #F9FAFB;
  --white:      #FFFFFF;
  --radius:     12px;
  --radius-sm:  8px;
  --radius-lg:  20px;
  --shadow:     0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:  0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.05);
  --shadow-lg:  0 10px 25px -3px rgba(0,0,0,.08), 0 4px 6px -4px rgba(0,0,0,.04);
  --shadow-xl:  0 20px 50px -12px rgba(0,0,0,.12);
  --transition: .3s cubic-bezier(.4,0,.2,1);
}

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--dark-2);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ═══════════════ BUTTONS ═══════════════ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-size: .95rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
  letter-spacing: -.01em;
}

.btn--primary {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}
.btn--primary:hover {
  background: var(--blue-dark);
  border-color: var(--blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(30,64,175,.25);
}

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

.btn--sm { padding: 10px 24px; font-size: .875rem; }
.btn--full { width: 100%; }

/* ═══════════════ NAVIGATION ═══════════════ */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,1);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,0,0,.04);
  transition: all var(--transition);
}

.nav--scrolled {
  background: rgba(255,255,255,.95);
  box-shadow: var(--shadow-md);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.nav__logo img { height: 44px; width: auto; }

.nav__links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav__links a {
  font-size: .9rem;
  font-weight: 500;
  color: var(--gray-700);
}
.nav__links a:hover { color: var(--blue); }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--dark-2);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ═══════════════ HERO ═══════════════ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(30,64,175,.08), transparent),
    radial-gradient(ellipse 60% 40% at 80% 50%, rgba(59,130,246,.05), transparent);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__tag {
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--blue);
  margin-bottom: 20px;
}

.hero__title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.03em;
  color: var(--dark);
  margin-bottom: 24px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--blue), var(--blue-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__sub {
  font-size: 1.15rem;
  color: var(--gray-500);
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: 36px;
}

.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* hero visual */
.hero__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 420px;
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: .5;
  animation: float 6s ease-in-out infinite;
}
.hero__orb--1 { width: 300px; height: 300px; background: rgba(30,64,175,.12); top: 10%; left: 5%; }
.hero__orb--2 { width: 200px; height: 200px; background: rgba(59,130,246,.15); bottom: 10%; right: 5%; animation-delay: -2s; }
.hero__orb--3 { width: 150px; height: 150px; background: rgba(30,64,175,.08); top: 50%; left: 50%; animation-delay: -4s; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  position: relative;
  z-index: 1;
}

.grid-card {
  background: rgba(255,255,255,.8);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(30,64,175,.08);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition);
}
.grid-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(30,64,175,.15);
}
.grid-card__icon { font-size: 2rem; margin-bottom: 12px; }
.grid-card__label { font-size: .85rem; font-weight: 600; color: var(--dark-2); letter-spacing: .02em; }

/* ═══════════════ SECTIONS ═══════════════ */

.section {
  padding: 120px 0;
}

.section--dark {
  background: var(--dark);
  color: var(--white);
}

.section--accent {
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  color: var(--white);
}

.section__header {
  text-align: center;
  margin-bottom: 72px;
}

.section__tag {
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--blue);
  margin-bottom: 16px;
}
.section__tag--light { color: var(--blue-light); }

.section__title {
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.15;
  color: var(--dark);
}
.section__title--light { color: var(--white); }

/* ═══════════════ ABOUT ═══════════════ */

.about__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.about__card {
  padding: 40px 32px;
  border-radius: var(--radius-lg);
  background: var(--gray-50);
  border: 1px solid var(--gray-100);
  transition: all var(--transition);
}
.about__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(30,64,175,.1);
}

.about__number {
  font-size: .8rem;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 20px;
  letter-spacing: .06em;
}

.about__card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--dark);
}

.about__card p {
  font-size: .95rem;
  color: var(--gray-500);
  line-height: 1.7;
}

/* ═══════════════ SERVICES ═══════════════ */

.services__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-card {
  padding: 40px 36px;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  transition: all var(--transition);
}
.service-card:hover {
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.15);
  transform: translateY(-4px);
}

.service-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  background: rgba(59,130,246,.15);
  color: var(--blue-light);
  margin-bottom: 24px;
}

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.service-card p {
  font-size: .925rem;
  color: rgba(255,255,255,.6);
  line-height: 1.7;
}

/* ═══════════════ PRODUCTS ═══════════════ */

.product-showcase {
  max-width: 720px;
  margin: 0 auto;
}

.product-card {
  padding: 48px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-100);
  background: var(--white);
  transition: all var(--transition);
  position: relative;
}
.product-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.product-card--featured {
  border-color: rgba(30,64,175,.15);
  background: linear-gradient(135deg, var(--blue-50), var(--white));
}

.product-card__badge {
  display: inline-block;
  padding: 4px 14px;
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  background: rgba(34,197,94,.1);
  color: #16A34A;
  border-radius: 20px;
  margin-bottom: 20px;
}

.product-card h3 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 16px;
  letter-spacing: -.02em;
}

.product-card p {
  font-size: 1rem;
  color: var(--gray-500);
  line-height: 1.7;
  margin-bottom: 24px;
}

.product-card__tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}
.product-card__tech span {
  padding: 6px 14px;
  font-size: .75rem;
  font-weight: 600;
  border-radius: 20px;
  background: var(--blue-50);
  color: var(--blue);
}

/* ═══════════════ STATS ═══════════════ */

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
  padding: 20px 0;
}

.stat__number {
  display: inline;
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -.03em;
}

.stat__suffix {
  display: inline;
  font-size: 1.5rem;
  font-weight: 700;
  opacity: .7;
}

.stat__label {
  font-size: .9rem;
  margin-top: 8px;
  opacity: .75;
  font-weight: 500;
}

/* ═══════════════ CONTACT ═══════════════ */

.contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact__desc {
  font-size: 1.05rem;
  color: var(--gray-500);
  line-height: 1.7;
  margin-top: 20px;
  margin-bottom: 36px;
}

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

.contact__item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: .95rem;
  color: var(--gray-700);
}
.contact__item svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--blue);
}
.contact__item a:hover { color: var(--blue); }

.contact__form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 40px;
  border-radius: var(--radius-lg);
  background: var(--gray-50);
  border: 1px solid var(--gray-100);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  font-size: .95rem;
  font-family: inherit;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--dark-2);
  transition: all var(--transition);
  outline: none;
}
.form-banner {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-weight: 500;
}
.form-banner--success {
  background: #F0FDF4;
  color: #15803D;
  border: 1px solid #BBF7D0;
}
.form-banner--error {
  background: #FEF2F2;
  color: #B91C1C;
  border: 1px solid #FECACA;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(30,64,175,.1);
}
.form-group textarea { resize: vertical; }

/* ═══════════════ FOOTER ═══════════════ */

.footer {
  background: var(--dark);
  color: rgba(255,255,255,.7);
  padding: 64px 0 32px;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 80px;
  margin-bottom: 48px;
}

.footer__brand img { margin-bottom: 16px; filter: brightness(0) invert(1); }
.footer__brand p { font-size: .9rem; margin-bottom: 4px; }
.footer__cin { font-size: .8rem; color: rgba(255,255,255,.4); }

.footer__links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.footer__col h4 {
  font-size: .85rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.footer__col a {
  display: block;
  font-size: .9rem;
  color: rgba(255,255,255,.5);
  margin-bottom: 10px;
}
.footer__col a:hover { color: var(--white); }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 24px;
  text-align: center;
  font-size: .85rem;
  color: rgba(255,255,255,.35);
}

/* ═══════════════ ANIMATIONS ═══════════════ */

.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════════ RESPONSIVE ═══════════════ */

@media (max-width: 1024px) {
  .hero__title { font-size: 2.75rem; }
  .section__title { font-size: 2.25rem; }
  .hero__inner { gap: 40px; }
  .about__grid { grid-template-columns: 1fr; }
  .services__grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav__links {
    position: fixed;
    top: 80px; left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--gray-100);
    transform: translateY(calc(-100% - 90px));
    box-shadow: var(--shadow-lg);
  }
  .nav--ready .nav__links { transition: transform var(--transition); }
  .nav__links.open { transform: translateY(0); }
  .nav__toggle { display: flex; }

  .hero { padding: 96px 0 60px; }
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__title { font-size: 2.25rem; }
  .hero__visual { min-height: 300px; }

  .section { padding: 80px 0; }
  .section__header { margin-bottom: 48px; }

  .contact { grid-template-columns: 1fr; gap: 40px; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 32px; }

  .footer__inner { grid-template-columns: 1fr; gap: 40px; }
  .footer__links { grid-template-columns: repeat(2, 1fr); }

  .product-card { padding: 32px; }
}

@media (max-width: 480px) {
  .hero__title { font-size: 1.85rem; }
  .section__title { font-size: 1.75rem; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; }
  .contact__form { padding: 24px; }
}