/* ==========================================================================
   FEToolCo — Global Stylesheet
   ========================================================================== */

:root {
  --navy: #022048;
  --navy-2: #0a2c58;
  --navy-3: #12386a;
  --blue: #005dd4;
  --blue-light: #3f85ea;
  --cyan: #22d3ee;
  --white: #ffffff;
  --gray-50: #f6f8fb;
  --gray-100: #eef1f6;
  --gray-300: #cbd3e1;
  --gray-500: #7c8aa0;
  --gray-700: #3d485c;
  --gray-900: #10151f;

  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --max-width: 1180px;
  --radius: 12px;
  --transition: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

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

ul {
  list-style: none;
}

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

section {
  padding: 96px 0;
}

@media (max-width: 768px) {
  section {
    padding: 64px 0;
  }
}

h1, h2, h3, h4 {
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--navy);
}

h1 { font-size: 3.4rem; line-height: 1.1; }
h2 { font-size: 2.25rem; line-height: 1.2; margin-bottom: 16px; }
h3 { font-size: 1.35rem; line-height: 1.3; margin-bottom: 10px; }

p { color: var(--gray-700); }

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 14px;
}

.section-header {
  max-width: 640px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-header p {
  font-size: 1.05rem;
}

/* ---------------- Buttons ---------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--blue);
  color: var(--white);
  box-shadow: 0 8px 24px -8px rgba(47, 111, 237, 0.55);
}

.btn-primary:hover {
  background: var(--blue-light);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px -8px rgba(47, 111, 237, 0.65);
}

.btn-secondary {
  background: transparent;
  color: var(--navy);
  border-color: var(--gray-300);
}

.btn-secondary:hover {
  border-color: var(--navy);
  transform: translateY(-2px);
}

.btn-ghost-light {
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.35);
}

.btn-ghost-light:hover {
  background: rgba(255, 255, 255, 0.18);
  transform: translateY(-2px);
}

.btn-block {
  width: 100%;
}

/* ---------------- Nav ---------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 25, 48, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--white);
  letter-spacing: -0.01em;
}

.logo-icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  border-radius: 8px;
  padding: 5px 7px;
  flex: none;
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

.logo-icon {
  width: 62px;
  height: auto;
  display: block;
  flex: none;
}

.logo-text {
  font-weight: 800;
}

.logo-co {
  color: var(--blue-light);
}

.footer-brand .logo-co,
.value-item .logo-co {
  color: var(--blue);
}

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

.nav-links a {
  color: var(--gray-300);
  font-size: 0.92rem;
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
}

.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 2px;
  background: var(--cyan);
  border-radius: 2px;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

@media (max-width: 900px) {
  .nav-links {
    position: fixed;
    top: 66px;
    left: 0;
    right: 0;
    background: var(--navy);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 24px 24px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition), transform var(--transition);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .nav-links.open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .nav-links a {
    padding: 12px 0;
    width: 100%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .nav-cta .btn-secondary { display: none; }

  .nav-toggle { display: flex; }
}

/* ---------------- Hero ---------------- */

.hero {
  position: relative;
  background: radial-gradient(ellipse at top right, var(--navy-3), var(--navy) 60%);
  color: var(--white);
  padding: 140px 0 120px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 70% 20%, black, transparent 70%);
  opacity: 0.6;
}

.hero-circuit {
  position: absolute;
  top: 0;
  right: -80px;
  width: 620px;
  max-width: 60vw;
  opacity: 0.55;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 680px;
}

.hero h1 {
  color: var(--white);
  margin-bottom: 22px;
}

.hero .subhead {
  font-size: 1.2rem;
  color: var(--gray-300);
  margin-bottom: 36px;
  max-width: 560px;
}

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

.page-hero {
  background: radial-gradient(ellipse at top right, var(--navy-3), var(--navy) 60%);
  color: var(--white);
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 70% 0%, black, transparent 70%);
  opacity: 0.6;
}

.page-hero .container { position: relative; z-index: 1; }

.page-hero h1 { color: var(--white); max-width: 720px; }
.page-hero p.lead {
  color: var(--gray-300);
  font-size: 1.1rem;
  max-width: 620px;
  margin-top: 16px;
}

/* ---------------- Why / Features columns ---------------- */

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

.col-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

@media (max-width: 860px) {
  .col-3, .col-2 { grid-template-columns: 1fr; }
}

.feature-card {
  background: var(--gray-50);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  padding: 32px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -24px rgba(10, 25, 48, 0.25);
  border-color: var(--gray-300);
}

.feature-icon {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(47,111,237,0.12), rgba(34,211,238,0.12));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--blue);
}

/* ---------------- Product / featured section ---------------- */

.product-feature {
  background: var(--navy);
  color: var(--white);
  border-radius: 20px;
  padding: 72px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.product-feature::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 85% 15%, rgba(34,211,238,0.15), transparent 55%);
}

.product-feature-content { position: relative; z-index: 1; }
.product-feature h2, .product-feature h3 { color: var(--white); }
.product-feature p { color: var(--gray-300); }

.product-visual {
  position: relative;
  z-index: 1;
  aspect-ratio: 4 / 3;
  border-radius: 16px;
  background: linear-gradient(160deg, var(--navy-3), var(--navy-2));
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-500);
  font-size: 0.85rem;
}

@media (max-width: 860px) {
  .product-feature { grid-template-columns: 1fr; padding: 40px 28px; }
}

/* ---------------- Generic image placeholder ---------------- */

.placeholder {
  background: var(--gray-50);
  border: 1px dashed var(--gray-300);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-500);
  font-size: 0.85rem;
  text-align: center;
  padding: 24px;
}

/* ---------------- Vision / dark band ---------------- */

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

.band-dark h2, .band-dark h3 { color: var(--white); }
.band-dark p { color: var(--gray-300); }

.band-gray {
  background: var(--gray-50);
}

/* ---------------- Lists with check marks ---------------- */

.check-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px 32px;
}

@media (max-width: 700px) {
  .check-list { grid-template-columns: 1fr; }
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--gray-700);
  font-size: 1rem;
}

.check-mark {
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(47,111,237,0.12);
  color: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  margin-top: 2px;
}

/* ---------------- Tabs / sections nav (product page) ---------------- */

.section-divider {
  border-top: 1px solid var(--gray-100);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 12px;
}

.tag-pill {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: 999px;
  padding: 10px 18px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--navy);
  transition: border-color var(--transition), transform var(--transition);
}

.tag-pill:hover {
  border-color: var(--blue);
  transform: translateY(-2px);
}

/* ---------------- Values grid ---------------- */

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 860px) {
  .values-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .values-grid { grid-template-columns: 1fr; }
}

.value-item {
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--gray-100);
  text-align: left;
}

.value-item .num {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: 0.08em;
  margin-bottom: 10px;
  display: block;
}

/* ---------------- Stats strip ---------------- */

.stats-strip {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  padding: 36px 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.stat {
  min-width: 140px;
}

.stat .value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--cyan);
}

.stat .label {
  color: var(--gray-300);
  font-size: 0.85rem;
  margin-top: 4px;
}

/* ---------------- Forms ---------------- */

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

@media (max-width: 700px) {
  .form-grid { grid-template-columns: 1fr; }
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field.full { grid-column: 1 / -1; }

.field label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--navy);
}

.field input,
.field textarea {
  border: 1px solid var(--gray-300);
  border-radius: 8px;
  padding: 13px 16px;
  font-family: var(--font);
  font-size: 0.95rem;
  color: var(--gray-900);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(47,111,237,0.15);
}

.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--gray-700);
}

.checkbox-row input {
  width: 18px;
  height: 18px;
  accent-color: var(--blue);
}

.form-status {
  margin-top: 18px;
  padding: 14px 18px;
  border-radius: 8px;
  background: rgba(47,111,237,0.08);
  color: var(--navy);
  font-size: 0.9rem;
  display: none;
}

.form-status.visible { display: block; }

.contact-shell {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 56px;
}

@media (max-width: 900px) {
  .contact-shell { grid-template-columns: 1fr; }
}

.contact-info-card {
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius);
  padding: 36px;
  height: fit-content;
}

.contact-info-card h3 { color: var(--white); }
.contact-info-card p { color: var(--gray-300); }

.contact-info-row {
  display: flex;
  gap: 14px;
  margin-top: 24px;
  align-items: flex-start;
}

.contact-info-row .lbl {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-500);
  margin-bottom: 4px;
}

/* ---------------- Newsletter / signup ---------------- */

.signup-box {
  max-width: 520px;
  margin: 40px auto 0;
  display: flex;
  gap: 12px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 999px;
  padding: 6px;
}

.signup-box input {
  flex: 1;
  background: transparent;
  border: none;
  padding: 12px 18px;
  color: var(--white);
  font-family: var(--font);
  font-size: 0.95rem;
}

.signup-box input::placeholder { color: var(--gray-500); }
.signup-box input:focus { outline: none; }

@media (max-width: 560px) {
  .signup-box { flex-direction: column; border-radius: 16px; padding: 12px; }
}

/* ---------------- CTA band ---------------- */

.cta-band {
  background: linear-gradient(120deg, var(--navy), var(--navy-3));
  color: var(--white);
  border-radius: 20px;
  padding: 64px;
  text-align: center;
}

.cta-band h2 { color: var(--white); }
.cta-band p { color: var(--gray-300); max-width: 520px; margin: 0 auto 32px; }
.cta-band .hero-actions { justify-content: center; }

@media (max-width: 700px) {
  .cta-band { padding: 48px 28px; }
}

/* ---------------- Footer ---------------- */

.site-footer {
  background: var(--navy);
  color: var(--gray-300);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(2, 1fr);
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

@media (max-width: 700px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.footer-grid h4 {
  color: var(--white);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 18px;
}

.footer-grid ul li {
  margin-bottom: 10px;
}

.footer-grid ul li a {
  font-size: 0.92rem;
  color: var(--gray-300);
  transition: color var(--transition);
}

.footer-grid ul li a:hover { color: var(--white); }

.footer-brand .logo { color: var(--white); margin-bottom: 14px; }
.footer-brand p { font-size: 0.9rem; color: var(--gray-500); max-width: 280px; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 28px;
  font-size: 0.82rem;
  color: var(--gray-500);
}

/* ---------------- Reveal on scroll ---------------- */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------------- Founder bios ---------------- */

.bios-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

@media (max-width: 760px) {
  .bios-grid { grid-template-columns: 1fr; }
}

.bio-card {
  background: var(--gray-50);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  padding: 32px;
}

.bio-photo {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 18px;
  border: 2px solid var(--white);
  box-shadow: 0 2px 8px rgba(10, 25, 48, 0.15);
}

.bio-card .bio-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 2px;
}

.bio-card .bio-title {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 16px;
}

.bio-card p {
  font-size: 0.98rem;
}

/* ---------------- Utilities ---------------- */

.mt-64 { margin-top: 64px; }
.text-center { text-align: center; }