/* ==========================================================================
   EPS Language — Stylesheet
   Variables, resets, layout utilities and per-section styles.
   ========================================================================== */

:root {
  /* Colors */
  --color-ink: #10131C;
  --color-ink-soft: #545B6B;
  --color-bg: #FAFAF8;
  --color-surface: #FFFFFF;
  --color-surface-alt: #F1EFEA;
  --color-line: rgba(16, 19, 28, 0.09);

  --color-navy: #0D111C;
  --color-navy-deep: #0A0D16;
  --color-navy-text: #F5F5F7;
  --color-navy-text-soft: rgba(237, 238, 242, 0.65);
  --color-navy-text-faint: rgba(237, 238, 242, 0.45);
  --color-navy-line: rgba(255, 255, 255, 0.08);
  --color-navy-surface: rgba(255, 255, 255, 0.04);

  --color-accent: #3B4EEB;
  --color-accent-dark: #2C3AC0;
  --color-accent-tint: #EEF0FE;
  --color-accent-light: #7C8CFF;
  --color-amber: #C1622E;

  /* Typography */
  --font-sans: 'Manrope', system-ui, -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', 'SFMono-Regular', monospace;

  /* Layout */
  --container-max: 1200px;
  --space-section: 110px;
  --space-section-mobile: 64px;

  /* Radii & shadows */
  --radius-sm: 9px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --shadow-card: 0 20px 40px -20px rgba(16, 19, 28, 0.18);
  --shadow-hero: 0 30px 60px -20px rgba(0, 0, 0, 0.55);
}

/* ---- Reset ---- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-ink);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, p, ul { margin: 0; }
ul { padding: 0; list-style: none; }
img { max-width: 100%; display: block; }
a { color: var(--color-accent); text-decoration: none; }
a:hover { color: var(--color-accent-dark); }
button { font-family: inherit; }

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 14px;
}
.eyebrow--light { color: var(--color-accent-light); }
.eyebrow--amber { color: var(--color-amber); }

.section-head {
  max-width: 620px;
  margin: 0 auto 56px;
  text-align: center;
}
.section-head h2 {
  font-size: clamp(28px, 3.6vw, 42px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
}
.section-head p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-ink-soft);
}
.section-head--dark h2 { color: var(--color-navy-text); }
.section-head--dark p { color: var(--color-navy-text-soft); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 15px 26px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}
.btn--sm { padding: 11px 22px; font-size: 14px; border-radius: var(--radius-sm); }
.btn-primary { background: var(--color-accent); color: #fff; }
.btn-primary:hover { background: var(--color-accent-dark); color: #fff; }
.btn-outline-dark { border-color: rgba(237, 238, 242, 0.25); color: var(--color-navy-text); }
.btn-outline-dark:hover { border-color: rgba(237, 238, 242, 0.55); color: var(--color-navy-text); }

/* ---- Nav ---- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 250, 248, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-line);
}
.nav__inner {
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo img { height: 48px; width: auto; }
.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav__links a { font-size: 14px; font-weight: 600; color: var(--color-ink); }
.nav__burger {
  display: none;
  background: none;
  border: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  cursor: pointer;
}
.nav__burger span { width: 22px; height: 2px; background: var(--color-ink); border-radius: 2px; }

/* ---- Mobile nav overlay ---- */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--color-navy);
  display: none;
  flex-direction: column;
  padding: 24px;
}
.mobile-nav.is-open { display: flex; }
.mobile-nav__close {
  align-self: flex-end;
  background: none;
  border: none;
  color: var(--color-navy-text);
  font-size: 28px;
  line-height: 1;
  padding: 8px;
  cursor: pointer;
}
.mobile-nav__links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 28px;
  padding: 40px 12px;
}
.mobile-nav__links a { font-size: 24px; font-weight: 700; color: var(--color-navy-text); }
.mobile-nav__links .btn { margin-top: 12px; font-size: 16px; }

/* ---- Hero ---- */
.hero {
  background: var(--color-navy);
  padding: 120px 24px 96px;
  overflow: hidden;
}
.hero__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 56px;
  align-items: center;
}
.hero__content { flex: 1 1 420px; min-width: 320px; }
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid rgba(237, 238, 242, 0.18);
  border-radius: 100px;
  margin-bottom: 26px;
}
.hero__badge-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--color-accent-light); }
.hero__badge span.hero__badge-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #B8BEDB;
}
.hero__content h1 {
  font-size: clamp(36px, 5vw, 62px);
  line-height: 1.06;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-navy-text);
  margin: 0 0 22px;
}
.hero__content > p {
  font-size: 18px;
  line-height: 1.6;
  color: var(--color-navy-text-soft);
  max-width: 460px;
  margin: 0 0 34px;
}
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 40px; }
.hero__trust { display: flex; flex-wrap: wrap; gap: 22px 30px; }
.hero__trust-item { display: flex; align-items: center; gap: 8px; }
.hero__trust-item span.dot {
  width: 15px; height: 15px; border-radius: 50%;
  border: 1.5px solid var(--color-accent-light); flex: none;
}
.hero__trust-item span.label { font-size: 13px; color: var(--color-navy-text-soft); font-weight: 600; }

.hero__visual { flex: 1 1 380px; min-width: 320px; display: flex; justify-content: center; }
.hero__visual-frame {
  position: relative;
  width: 460px;
  max-width: 100%;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-hero);
  border: 1px solid var(--color-navy-line);
}

/* ---- Sectors strip ---- */
.sectors {
  background: var(--color-surface-alt);
  padding: 44px 24px;
  border-bottom: 1px solid var(--color-line);
}
.sectors__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  justify-content: space-between;
}
.sectors__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
}
.sectors__tags { display: flex; flex-wrap: wrap; gap: 10px; }
.tag {
  padding: 8px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-ink);
}

/* ---- Generic section paddings ---- */
.section { padding: var(--space-section) 24px; }
.section--white { background: var(--color-surface); }
.section--alt { background: var(--color-surface-alt); }
.section--navy { background: var(--color-navy); }

/* ---- Services ---- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.service-card {
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform 0.25s, box-shadow 0.25s;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card); }
.service-card__number {
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-accent-tint);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-weight: 600; font-size: 14px;
  color: var(--color-accent);
}
.service-card h3 { font-size: 19px; font-weight: 700; }
.service-card p { font-size: 14.5px; line-height: 1.6; color: var(--color-ink-soft); }
.service-card ul { display: flex; flex-direction: column; gap: 8px; }
.service-card li { font-size: 13.5px; color: var(--color-ink); display: flex; gap: 8px; }
.service-card li::before { content: '—'; color: var(--color-accent); }
.service-card__cta {
  margin-top: auto;
  font-size: 14px; font-weight: 700; color: var(--color-accent);
  display: flex; align-items: center; gap: 6px;
}

/* ---- Why us (dark cards) ---- */
.feature-card {
  background: var(--color-navy-surface);
  border: 1px solid var(--color-navy-line);
  border-radius: var(--radius-lg);
  padding: 30px;
}
.feature-card h3 { font-size: 18px; font-weight: 700; color: var(--color-navy-text); margin: 0 0 10px; }
.feature-card p { font-size: 14px; line-height: 1.6; color: var(--color-navy-text-soft); }

/* ---- Process ---- */
.process-row { display: flex; flex-wrap: wrap; gap: 24px; }
.process-step {
  flex: 1 1 220px; min-width: 220px;
  border-top: 2px solid var(--color-accent);
  padding-top: 20px;
}
.process-step__number { font-family: var(--font-mono); font-size: 13px; font-weight: 600; color: var(--color-accent); margin-bottom: 12px; }
.process-step h3 { font-size: 17px; font-weight: 700; margin: 0 0 8px; }
.process-step p { font-size: 14px; line-height: 1.6; color: var(--color-ink-soft); }

/* ---- Benefits ---- */
.benefit-card { background: var(--color-surface); border-radius: 16px; padding: 26px 26px 24px; }
.benefit-card__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--color-amber); display: inline-block; margin-bottom: 14px; }
.benefit-card h3 { font-size: 16.5px; font-weight: 700; }

/* ---- Experience / bio ---- */
.bio { display: flex; flex-wrap: wrap; gap: 56px; align-items: center; max-width: 1100px; margin: 0 auto; }
.bio__photo { flex: 1 1 280px; min-width: 260px; display: flex; justify-content: center; }
.bio__photo img {
  width: 300px; height: 380px; object-fit: cover;
  border-radius: var(--radius-xl);
  box-shadow: 0 24px 48px -18px rgba(16, 19, 28, 0.28);
}
.bio__text { flex: 1 1 380px; min-width: 300px; }
.bio__text h2 { font-size: clamp(26px, 3.2vw, 36px); font-weight: 800; letter-spacing: -0.02em; margin: 0 0 18px; }
.bio__text > p { font-size: 16px; line-height: 1.7; color: var(--color-ink-soft); margin: 0 0 24px; }
.bio__chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { padding: 9px 16px; border: 1px solid rgba(16, 19, 28, 0.12); border-radius: 100px; font-size: 13px; font-weight: 600; color: var(--color-ink); }

/* ---- Testimonials ---- */
.testimonial-card {
  background: var(--color-navy-surface);
  border: 1px solid var(--color-navy-line);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex; flex-direction: column; gap: 14px;
}
.testimonial-card__quote { font-size: 36px; line-height: 1; color: var(--color-amber); font-family: Georgia, serif; }
.testimonial-card p { font-size: 14.5px; line-height: 1.65; color: rgba(245, 245, 247, 0.85); }
.testimonial-card__attr {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.05em;
  text-transform: uppercase; color: var(--color-navy-text-faint);
}

/* ---- FAQ ---- */
.faq { display: flex; flex-wrap: wrap; gap: 56px; max-width: 1100px; margin: 0 auto; }
.faq__head { flex: 0 1 280px; min-width: 240px; }
.faq__head h2 { font-size: clamp(26px, 3.2vw, 36px); font-weight: 800; letter-spacing: -0.02em; }
.faq__list { flex: 1 1 380px; min-width: 280px; }
.faq-item { border-bottom: 1px solid var(--color-line); }
.faq-item__toggle {
  width: 100%; background: none; border: none; cursor: pointer;
  padding: 22px 0; display: flex; align-items: center; justify-content: space-between;
  gap: 16px; text-align: left;
}
.faq-item__toggle span.q { font-size: 16px; font-weight: 700; color: var(--color-ink); }
.faq-item__icon { font-size: 20px; color: var(--color-accent); transition: transform 0.2s; flex: none; }
.faq-item.is-open .faq-item__icon { transform: rotate(45deg); }
.faq-item__answer {
  font-size: 14.5px; line-height: 1.65; color: var(--color-ink-soft);
  margin: 0 0 22px; max-width: 640px; display: none;
}
.faq-item.is-open .faq-item__answer { display: block; }

/* ---- Final CTA ---- */
.cta-final { text-align: center; }
.cta-final__inner { max-width: 640px; margin: 0 auto; }
.cta-final h2 { font-size: clamp(28px, 3.8vw, 44px); font-weight: 800; letter-spacing: -0.02em; color: var(--color-navy-text); margin: 0 0 18px; }
.cta-final p { font-size: 16px; line-height: 1.6; color: var(--color-navy-text-soft); margin: 0 0 34px; }
.cta-final__actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

/* ---- Footer ---- */
.footer { background: var(--color-navy-deep); padding: 64px 24px 28px; }
.footer__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 36px; }
.footer__logo { background: #fff; border-radius: var(--radius-md); padding: 8px 12px; display: inline-block; margin-bottom: 14px; }
.footer__logo img { height: 40px; width: auto; }
.footer__tagline { font-size: 13.5px; line-height: 1.6; color: var(--color-navy-text-soft); max-width: 220px; margin: 0 0 18px; }
.footer__social { display: flex; gap: 10px; }
.footer__social a {
  width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid var(--color-navy-line);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; color: var(--color-navy-text-soft);
}
.footer__heading {
  font-size: 12px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--color-navy-text-faint); margin-bottom: 16px;
}
.footer__links { display: flex; flex-direction: column; gap: 10px; }
.footer__links a, .footer__links span { font-size: 14px; color: var(--color-navy-text-soft); }
.footer__bottom {
  border-top: 1px solid var(--color-navy-line);
  margin-top: 44px; padding-top: 22px;
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between;
}
.footer__bottom span { font-size: 13px; color: var(--color-navy-text-faint); }

/* ---- Reveal-on-scroll ---- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---- Responsive ---- */
@media (max-width: 880px) {
  .nav__links { display: none; }
  .nav__burger { display: flex; }
}
@media (min-width: 881px) {
  .mobile-nav { display: none !important; }
}
@media (max-width: 640px) {
  .section, .hero, .sectors { padding-left: 20px; padding-right: 20px; }
  .section { padding-top: var(--space-section-mobile); padding-bottom: var(--space-section-mobile); }
}