/* ============================================================
   Nekostrix — corporate site styles
   ============================================================ */

:root {
  /* Palette */
  --navy:        #0A1E3F;
  --navy-2:      #14264D;
  --navy-3:      #1F3358;
  --cyan:        #06B6D4;
  --cyan-soft:   #67E8F9;
  --ink:         #0F172A;
  --slate-700:   #334155;
  --slate-600:   #475569;
  --slate-500:   #64748B;
  --slate-400:   #94A3B8;
  --slate-300:   #CBD5E1;
  --slate-200:   #E2E8F0;
  --slate-100:   #F1F5F9;
  --slate-50:    #F8FAFC;
  --white:       #FFFFFF;

  /* Spacing scale */
  --s-1:  4px;
  --s-2:  8px;
  --s-3:  12px;
  --s-4:  16px;
  --s-5:  24px;
  --s-6:  32px;
  --s-7:  48px;
  --s-8:  64px;
  --s-9:  96px;
  --s-10: 128px;

  /* Type */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', system-ui, sans-serif;

  /* Layout */
  --container-max: 1200px;
  --nav-height: 96px;

  /* Misc */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 6px -2px rgba(15, 23, 42, 0.05), 0 12px 24px -8px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 40px -12px rgba(15, 23, 42, 0.14);

  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* ---- Reset / base ---- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

::selection { background: var(--cyan); color: var(--navy); }

/* ---- Typography ---- */
h1, h2, h3, h4 {
  margin: 0 0 var(--s-4);
  color: var(--navy);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.12;
}
h1 { font-size: clamp(40px, 6vw, 64px); letter-spacing: -0.035em; }
h2 { font-size: clamp(32px, 4vw, 44px); letter-spacing: -0.03em; }
h3 { font-size: 22px; letter-spacing: -0.02em; }
h4 { font-size: 17px; letter-spacing: -0.01em; }

p {
  margin: 0 0 var(--s-4);
  color: var(--slate-700);
}
p.lead {
  font-size: 19px;
  color: var(--slate-600);
  line-height: 1.6;
}

.eyebrow {
  display: inline-block;
  margin-bottom: var(--s-4);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}
.eyebrow--muted { color: var(--slate-500); }

/* ---- Layout ---- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--s-5);
}

section {
  padding: var(--s-10) 0;
}
@media (max-width: 768px) { section { padding: var(--s-8) 0; } }

.section-head {
  max-width: 720px;
  margin: 0 auto var(--s-8);
  text-align: center;
}
.section-head--left { margin-left: 0; text-align: left; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
  border: 1px solid transparent;
  transition: transform 180ms var(--ease), background 180ms var(--ease), color 180ms var(--ease), border-color 180ms var(--ease);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--navy);
  color: var(--white);
}
.btn--primary:hover { background: var(--navy-2); }

.btn--accent {
  background: var(--cyan);
  color: var(--navy);
}
.btn--accent:hover { background: var(--cyan-soft); }

.btn--ghost {
  background: transparent;
  color: var(--navy);
  border-color: var(--slate-200);
}
.btn--ghost:hover { border-color: var(--navy); background: var(--slate-50); }

.btn--ghost-light {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.25);
}
.btn--ghost-light:hover { border-color: var(--white); background: rgba(255, 255, 255, 0.06); }

.btn .arrow { transition: transform 180ms var(--ease); }
.btn:hover .arrow { transform: translateX(3px); }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--navy);
  transition: gap 180ms var(--ease), color 180ms var(--ease);
}
.link-arrow:hover { gap: 10px; color: var(--cyan); }

/* ---- Navigation ---- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--slate-200);
}
.nav__inner {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-5);
}
.nav__brand img { height: 56px; width: auto; display: block; }
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--s-6);
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav__links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--slate-600);
  transition: color 180ms var(--ease);
}
.nav__links a:hover,
.nav__links a[aria-current="page"] { color: var(--navy); }
.nav__cta { display: flex; align-items: center; gap: var(--s-3); }
.nav__toggle {
  display: none;
  background: transparent;
  border: none;
  padding: 8px;
}
.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--navy);
  margin: 5px 0;
  transition: transform 220ms var(--ease), opacity 220ms var(--ease);
}
.nav.is-open .nav__toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav.is-open .nav__toggle span:nth-child(2) { opacity: 0; }
.nav.is-open .nav__toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav__toggle { display: block; }
  .nav__links,
  .nav__cta {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--slate-200);
    padding: var(--s-5);
    flex-direction: column;
    align-items: flex-start;
    gap: var(--s-5);
  }
  .nav.is-open .nav__links { display: flex; }
  .nav.is-open .nav__cta { display: flex; top: auto; border: none; padding-top: 0; }
}

/* ---- Hero ---- */
.hero {
  position: relative;
  padding: clamp(64px, 9vw, 128px) 0 clamp(48px, 8vw, 112px);
  overflow: hidden;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-7);
  align-items: center;
}
@media (max-width: 900px) { .hero__grid { grid-template-columns: 1fr; } }

.hero h1 .accent {
  background: linear-gradient(90deg, var(--navy) 0%, var(--cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3);
  margin-top: var(--s-6);
}
.hero__visual {
  position: relative;
  aspect-ratio: 1 / 1;
  width: 100%;
  max-width: 600px;
  justify-self: end;
}
@media (max-width: 900px) { .hero__visual { justify-self: center; } }
@media (max-width: 900px) { .hero__visual { justify-self: center; } }

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background:
    radial-gradient(60% 50% at 80% 10%, rgba(6, 182, 212, 0.06), transparent 70%),
    radial-gradient(60% 50% at 0% 70%, rgba(10, 30, 63, 0.05), transparent 70%);
}

/* ---- Trust strip ---- */
.trust {
  padding: var(--s-7) 0;
  border-top: 1px solid var(--slate-100);
  border-bottom: 1px solid var(--slate-100);
}
.trust__label {
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate-500);
  margin-bottom: var(--s-5);
}
.trust__logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--s-7);
  align-items: center;
}
.trust__logo {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--slate-400);
  opacity: 0.9;
}

/* ---- Cards ---- */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-5);
}
@media (max-width: 960px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .cards { grid-template-columns: 1fr; } }

.card {
  position: relative;
  padding: var(--s-6);
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  transition: transform 220ms var(--ease), box-shadow 220ms var(--ease), border-color 220ms var(--ease);
}
.card:hover {
  transform: translateY(-3px);
  border-color: var(--slate-300);
  box-shadow: var(--shadow-md);
}
.card__icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--s-4);
}
.card h3 { margin-bottom: var(--s-2); }
.card p { font-size: 15.5px; color: var(--slate-600); }
.card__link { margin-top: var(--s-4); }

/* ---- Why us / featurettes ---- */
.why {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-7);
}
@media (max-width: 900px) { .why { grid-template-columns: 1fr; gap: var(--s-6); } }

.why__item h3 { font-size: 20px; }
.why__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--navy);
  color: var(--white);
  font-size: 14px;
  font-weight: 700;
  margin-bottom: var(--s-3);
}

/* ---- Process ---- */
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-5);
  position: relative;
}
@media (max-width: 900px) { .process { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .process { grid-template-columns: 1fr; } }

.process__step {
  padding: var(--s-5);
  background: var(--slate-50);
  border-radius: var(--radius-md);
  border: 1px solid var(--slate-100);
}
.process__step .why__num { background: var(--cyan); color: var(--navy); }
.process__step h3 { font-size: 18px; margin-bottom: var(--s-2); }
.process__step p { font-size: 15px; margin: 0; }

/* ---- Stats ---- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-5);
  text-align: center;
  padding: var(--s-7) 0;
  border-top: 1px solid var(--slate-200);
  border-bottom: 1px solid var(--slate-200);
}
@media (max-width: 720px) { .stats { grid-template-columns: repeat(2, 1fr); } }

.stats__num {
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: var(--s-2);
}
.stats__label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate-500);
}

/* ---- Quote ---- */
.quote {
  max-width: 920px;
  margin: 0 auto;
  text-align: center;
}
.quote blockquote {
  margin: 0 0 var(--s-5);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 500;
  line-height: 1.4;
  color: var(--navy);
  letter-spacing: -0.015em;
}
.quote__attribution {
  font-size: 14px;
  color: var(--slate-500);
}
.quote__attribution strong { color: var(--navy); font-weight: 600; }

/* ---- CTA band ---- */
.cta {
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius-xl);
  padding: clamp(48px, 7vw, 88px) var(--s-7);
  margin: 0 var(--s-5);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta h2 { color: var(--white); margin-bottom: var(--s-4); }
.cta p { color: var(--slate-300); max-width: 640px; margin-left: auto; margin-right: auto; }
.cta__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3);
  justify-content: center;
  margin-top: var(--s-6);
}
.cta::after {
  content: "";
  position: absolute;
  width: 480px;
  height: 480px;
  right: -180px;
  top: -180px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.18) 0%, transparent 70%);
  pointer-events: none;
}

/* ---- Footer ---- */
.footer {
  background: var(--white);
  border-top: 1px solid var(--slate-200);
  padding: var(--s-8) 0 var(--s-6);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--s-6);
  padding-bottom: var(--s-7);
  border-bottom: 1px solid var(--slate-100);
}
@media (max-width: 800px) { .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--s-7); } }
@media (max-width: 480px) { .footer__grid { grid-template-columns: 1fr; } }

.footer__brand img { height: 60px; margin-bottom: var(--s-4); display: block; }
.footer__brand p { font-size: 14px; color: var(--slate-500); max-width: 280px; margin: 0; }

.footer__col h4 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate-500);
  margin-bottom: var(--s-4);
}
.footer__col ul { list-style: none; margin: 0; padding: 0; }
.footer__col li + li { margin-top: var(--s-2); }
.footer__col a {
  font-size: 15px;
  color: var(--slate-700);
  transition: color 180ms var(--ease);
}
.footer__col a:hover { color: var(--navy); }

.footer__base {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--s-3);
  padding-top: var(--s-5);
  font-size: 13px;
  color: var(--slate-500);
}
.footer__base a { color: var(--slate-500); }
.footer__base a:hover { color: var(--navy); }
.footer__legal { display: flex; gap: var(--s-5); flex-wrap: wrap; }

/* ---- Subpage hero (smaller, used on inner pages) ---- */
.page-hero {
  padding: clamp(64px, 8vw, 112px) 0 clamp(48px, 6vw, 80px);
  background:
    radial-gradient(40% 50% at 90% 10%, rgba(6, 182, 212, 0.05), transparent 70%),
    var(--slate-50);
  border-bottom: 1px solid var(--slate-100);
}
.page-hero .container { text-align: center; }
.page-hero h1 { font-size: clamp(36px, 5vw, 52px); }
.page-hero p.lead { max-width: 640px; margin-left: auto; margin-right: auto; }

/* ---- Service blocks (services.html) ---- */
.service-block {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--s-8);
  padding: var(--s-9) 0;
  border-top: 1px solid var(--slate-100);
}
.service-block:first-of-type { border-top: 0; }
@media (max-width: 900px) { .service-block { grid-template-columns: 1fr; gap: var(--s-6); } }

.service-block__visual {
  position: sticky;
  top: calc(var(--nav-height) + var(--s-6));
  align-self: start;
  background: var(--slate-50);
  border-radius: var(--radius-lg);
  border: 1px solid var(--slate-100);
  padding: var(--s-7);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--s-4);
}
@media (max-width: 900px) { .service-block__visual { position: static; } }

.service-block__icon { width: 56px; height: 56px; }
.service-block h2 { font-size: 32px; margin-bottom: var(--s-2); }
.service-block h3 { font-size: 16px; margin-top: var(--s-6); margin-bottom: var(--s-3); color: var(--navy); }

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
  margin-top: var(--s-2);
}
.service-tag {
  font-size: 12px;
  font-weight: 600;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--white);
  color: var(--slate-600);
  border: 1px solid var(--slate-200);
}

.check-list { list-style: none; padding: 0; margin: 0; }
.check-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: var(--s-3);
  color: var(--slate-700);
  font-size: 15.5px;
  line-height: 1.55;
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--cyan);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230A1E3F' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>");
  background-size: 12px;
  background-position: center;
  background-repeat: no-repeat;
}

/* ---- About ---- */
.values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-6);
}
@media (max-width: 900px) { .values { grid-template-columns: 1fr; } }
.value__title { display: flex; align-items: center; gap: var(--s-3); margin-bottom: var(--s-3); }
.value__dot {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  background: var(--cyan);
}

.team {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-5);
}
@media (max-width: 900px) { .team { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .team { grid-template-columns: 1fr; } }

.team-card {
  background: var(--slate-50);
  border-radius: var(--radius-md);
  padding: var(--s-5);
  border: 1px solid var(--slate-100);
}
.team-card__avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--navy), var(--cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.01em;
  margin-bottom: var(--s-4);
}
.team-card h4 { margin-bottom: 2px; }
.team-card p { font-size: 14px; color: var(--slate-500); margin: 0; }

/* ---- Contact ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--s-8);
  align-items: start;
}
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }

.form { display: grid; gap: var(--s-4); }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-4); }
@media (max-width: 600px) { .form__row { grid-template-columns: 1fr; } }
.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--slate-700);
  margin-bottom: 6px;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  font: inherit;
  font-size: 15px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-sm);
  transition: border-color 180ms var(--ease), box-shadow 180ms var(--ease);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(10, 30, 63, 0.10);
}
.field textarea { min-height: 140px; resize: vertical; }

.contact-info { display: grid; gap: var(--s-5); }
.contact-info__block {
  padding: var(--s-5);
  background: var(--slate-50);
  border: 1px solid var(--slate-100);
  border-radius: var(--radius-md);
}
.contact-info__label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate-500);
  margin-bottom: var(--s-2);
}
.contact-info__value {
  font-size: 17px;
  font-weight: 600;
  color: var(--navy);
}
.contact-info__sub { font-size: 14px; color: var(--slate-600); margin-top: 4px; }

.placeholder-flag {
  display: inline-block;
  margin-left: 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--slate-100);
  color: var(--slate-500);
  vertical-align: middle;
}

/* ---- Misc ---- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-8);
  align-items: center;
}
@media (max-width: 900px) { .split { grid-template-columns: 1fr; } }

.image-block {
  border-radius: var(--radius-lg);
  background: var(--slate-50);
  border: 1px solid var(--slate-100);
  padding: var(--s-7);
  display: flex;
  align-items: center;
  justify-content: center;
}

.dark-section {
  background: var(--navy);
  color: var(--white);
}
.dark-section h2,
.dark-section h3 { color: var(--white); }
.dark-section p { color: var(--slate-300); }
.dark-section .eyebrow { color: var(--cyan-soft); }

/* ---- Utilities ---- */
.text-center { text-align: center; }
.mt-3 { margin-top: var(--s-3); }
.mt-5 { margin-top: var(--s-5); }
.mt-6 { margin-top: var(--s-6); }
.mt-7 { margin-top: var(--s-7); }
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}