/* =========================================================
   CORTEX — Global Stylesheet
   ========================================================= */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@300;400;700&family=Inter:wght@400;500;600&display=swap');

/* =========================================================
   CSS Custom Properties
   ========================================================= */
:root {
  --colour-primary:    #232D45;
  --colour-secondary:  #ffffff;
  --colour-accent:     #4A6CF7;
  --colour-accent-hover: #3558e8;
  --colour-text:       #232D45;
  --colour-text-muted: #6b7280;
  --colour-border:     #e5e7eb;
  --colour-bg-light:   #f8f9fc;
  --colour-card-bg:    #ffffff;

  --font-heading: 'Orbitron', sans-serif;
  --font-body:    'Inter', sans-serif;

  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  1.5rem;
  --space-lg:  2.5rem;
  --space-xl:  4rem;
  --space-2xl: 5rem;

  --section-padding: 80px;
  --container-max:   1200px;
  --radius:          8px;
  --radius-lg:       12px;
  --shadow:          0 2px 16px rgba(35,45,69,0.08);
  --shadow-hover:    0 8px 32px rgba(35,45,69,0.16);
  --transition:      0.25s ease;
  --nav-height:      72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--colour-text);
  background: var(--colour-secondary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

/* =========================================================
   Typography
   ========================================================= */
h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2rem, 4.5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
h4 { font-size: 1.1rem; }

p {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--colour-text-muted);
}

p + p {
  margin-top: 1.25rem;
}

/* =========================================================
   Layout Utilities
   ========================================================= */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: var(--section-padding) 0;
}

.section--light {
  background: var(--colour-bg-light);
}

.section--dark {
  background: var(--colour-primary);
}

.section--dark h2,
.section--dark h3,
.section--dark p {
  color: var(--colour-secondary);
}

.section--dark p {
  color: rgba(255,255,255,0.75);
}

.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--colour-accent);
  margin-bottom: 0.75rem;
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-header h2 {
  margin-bottom: 1rem;
}

.section-header p {
  max-width: 620px;
  margin: 0 auto;
  font-size: 1.1rem;
}

/* =========================================================
   Navigation
   ========================================================= */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: var(--colour-primary);
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: box-shadow var(--transition);
}

.nav.scrolled {
  box-shadow: 0 2px 24px rgba(0,0,0,0.3);
}

.nav__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 2rem;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  height: 36px;
  width: auto;
  flex-shrink: 0;
}

.nav__logo img {
  height: 36px;
  width: auto;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__links a {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.8);
  letter-spacing: 0.03em;
  transition: color var(--transition);
  position: relative;
  padding-bottom: 2px;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--colour-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--colour-secondary);
}

.nav__links a:hover::after,
.nav__links a.active::after {
  transform: scaleX(1);
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  cursor: pointer;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--colour-secondary);
  transition: transform var(--transition), opacity var(--transition);
  border-radius: 2px;
}

.nav__hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__hamburger.open span:nth-child(2) {
  opacity: 0;
}
.nav__hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav */
.nav__mobile {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--colour-primary);
  padding: 1.5rem 2rem 2rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  z-index: 999;
  flex-direction: column;
  gap: 0;
}

.nav__mobile.open {
  display: flex;
}

.nav__mobile a {
  color: rgba(255,255,255,0.8);
  font-size: 1rem;
  font-weight: 500;
  padding: 0.875rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  transition: color var(--transition);
}

.nav__mobile a:hover,
.nav__mobile a.active {
  color: var(--colour-secondary);
}

/* =========================================================
   Hero — Full Height (Home)
   ========================================================= */
.hero {
  position: relative;
  min-height: 85vh;
  background: var(--colour-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 2rem;
}

.hero__eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--colour-accent);
  margin-bottom: 1.25rem;
  font-family: var(--font-body);
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 700;
  color: var(--colour-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.15;
}

.hero__sub {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: rgba(255,255,255,0.75);
  max-width: 640px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

/* Hero — Page (Inner pages) */
.hero--page {
  min-height: 40vh;
  align-items: flex-end;
  padding-bottom: 4rem;
  text-align: left;
}

.hero--page .hero__content {
  max-width: 680px;
  text-align: left;
  padding-left: 0;
  padding-right: 0;
}

.hero--page .hero__title {
  font-size: clamp(1.8rem, 4vw, 3rem);
}

.hero--page .hero__sub {
  margin-left: 0;
}

/* =========================================================
   Buttons
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}

.btn--primary {
  background: var(--colour-accent);
  color: var(--colour-secondary);
  border-color: var(--colour-accent);
}

.btn--primary:hover {
  background: var(--colour-accent-hover);
  border-color: var(--colour-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(74,108,247,0.35);
}

.btn--outline {
  background: transparent;
  color: var(--colour-secondary);
  border-color: rgba(255,255,255,0.4);
}

.btn--outline:hover {
  background: rgba(255,255,255,0.08);
  border-color: var(--colour-secondary);
  transform: translateY(-2px);
}

.btn--outline-dark {
  background: transparent;
  color: var(--colour-primary);
  border-color: var(--colour-primary);
}

.btn--outline-dark:hover {
  background: var(--colour-primary);
  color: var(--colour-secondary);
  transform: translateY(-2px);
}

/* =========================================================
   Cards
   ========================================================= */
.cards-grid {
  display: grid;
  gap: 2rem;
}

.cards-grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

.cards-grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.cards-grid--values {
  grid-template-columns: repeat(2, 1fr);
  max-width: 860px;
  margin: 0 auto;
}

.card {
  background: var(--colour-card-bg);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--colour-border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.card__icon {
  width: 48px;
  height: 48px;
  background: rgba(74,108,247,0.1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.card__icon svg {
  width: 24px;
  height: 24px;
  color: var(--colour-accent);
}

.card__label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--colour-accent);
  margin-bottom: 0.5rem;
  font-family: var(--font-body);
}

.card h3 {
  color: var(--colour-text);
  margin-bottom: 0.875rem;
}

.card p {
  font-size: 0.9375rem;
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--colour-accent);
  margin-top: 1.5rem;
  transition: gap var(--transition), color var(--transition);
}

.card__link:hover {
  gap: 0.625rem;
  color: var(--colour-accent-hover);
}

/* Product cards */
.product-card {
  border-top: 3px solid var(--colour-accent);
}

/* Dark cards (on dark sections) */
.card--dark {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.1);
}

.card--dark h3,
.card--dark p {
  color: var(--colour-secondary);
}

.card--dark p {
  color: rgba(255,255,255,0.7);
}

.card--dark:hover {
  background: rgba(255,255,255,0.08);
}

/* =========================================================
   Capability List
   ========================================================= */
.capability-list {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.capability-list__item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.125rem 1.5rem;
  background: var(--colour-card-bg);
  border-radius: var(--radius);
  border-left: 3px solid var(--colour-accent);
  box-shadow: var(--shadow);
  border-top: 1px solid var(--colour-border);
  border-right: 1px solid var(--colour-border);
  border-bottom: 1px solid var(--colour-border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.capability-list__item:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-hover);
}

.capability-list__item svg {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  color: var(--colour-accent);
  margin-top: 2px;
}

.capability-list__item p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--colour-text);
  line-height: 1.5;
}

/* =========================================================
   Body Text Sections
   ========================================================= */
.prose {
  max-width: 740px;
}

.prose h2 {
  margin-bottom: 1.5rem;
}

.prose p {
  margin-bottom: 1.25rem;
}

.prose p:last-child {
  margin-bottom: 0;
}

.prose--center {
  margin: 0 auto;
  text-align: center;
}

/* =========================================================
   Two-column layout
   ========================================================= */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.two-col--wide-left {
  grid-template-columns: 1.4fr 1fr;
}

/* =========================================================
   Values Grid
   ========================================================= */
.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  max-width: 860px;
  margin: 0 auto;
}

.value-card {
  background: var(--colour-card-bg);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--colour-border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.value-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.value-card h4 {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  color: var(--colour-text);
  margin-bottom: 0.625rem;
  font-weight: 700;
}

.value-card p {
  font-size: 0.9rem;
  margin: 0;
}

/* =========================================================
   CTA Section
   ========================================================= */
.cta-section {
  background: var(--colour-primary);
  padding: var(--section-padding) 0;
  text-align: center;
}

.cta-section h2 {
  color: var(--colour-secondary);
  margin-bottom: 1rem;
}

.cta-section p {
  color: rgba(255,255,255,0.7);
  font-size: 1.1rem;
  max-width: 520px;
  margin: 0 auto 2.5rem;
}

/* =========================================================
   Team Grid
   ========================================================= */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.team-card {
  background: var(--colour-card-bg);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--colour-border);
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}

.team-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.team-card__avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--colour-bg-light);
  border: 2px solid var(--colour-border);
  margin: 0 auto 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.team-card__avatar svg {
  width: 40px;
  height: 40px;
  color: var(--colour-text-muted);
}

.team-card h3 {
  font-size: 1rem;
  color: var(--colour-text);
  margin-bottom: 0.3rem;
}

.team-card__role {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--colour-accent);
  margin-bottom: 1rem;
  font-family: var(--font-body);
}

.team-card p {
  font-size: 0.875rem;
  color: var(--colour-text-muted);
}

/* =========================================================
   Contact Form
   ========================================================= */
.contact-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 5rem;
  align-items: start;
}

.contact-form {
  background: var(--colour-card-bg);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--colour-border);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group {
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--colour-text);
  letter-spacing: 0.01em;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--colour-border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--colour-text);
  background: var(--colour-secondary);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--colour-accent);
  box-shadow: 0 0 0 3px rgba(74,108,247,0.12);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group select {
  appearance: none;
  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='%236b7280' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-submit {
  margin-top: 0.5rem;
}

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

.contact-info {
  padding-top: 1rem;
}

.contact-info h3 {
  margin-bottom: 1.25rem;
  font-size: 1.2rem;
}

.contact-info p {
  margin-bottom: 2rem;
  font-size: 0.9375rem;
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--colour-border);
}

.contact-detail:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.contact-detail__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  background: rgba(74,108,247,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-detail__icon svg {
  width: 18px;
  height: 18px;
  color: var(--colour-accent);
}

.contact-detail__text {
  display: flex;
  flex-direction: column;
}

.contact-detail__label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--colour-text-muted);
  margin-bottom: 0.2rem;
}

.contact-detail__value {
  font-size: 0.9375rem;
  color: var(--colour-text);
  font-weight: 500;
}

/* =========================================================
   Footer
   ========================================================= */
.footer {
  background: var(--colour-primary);
  padding: 4rem 0 2rem;
  color: var(--colour-secondary);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer__logo {
  height: 30px;
  width: auto;
  margin-bottom: 1rem;
}

.footer__tagline {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.04em;
  font-weight: 500;
  text-transform: uppercase;
  font-size: 0.75rem;
}

.footer__col h4 {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 1.25rem;
}

.footer__nav {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.footer__nav a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.65);
  transition: color var(--transition);
}

.footer__nav a:hover {
  color: var(--colour-secondary);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer__copy {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
}

/* =========================================================
   Divider / Accent line
   ========================================================= */
.accent-divider {
  width: 48px;
  height: 3px;
  background: var(--colour-accent);
  border-radius: 2px;
  margin-bottom: 1.5rem;
}

.accent-divider--center {
  margin-left: auto;
  margin-right: auto;
}

/* =========================================================
   Scroll Animations
   ========================================================= */
[data-animate] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

[data-animate-delay="1"] { transition-delay: 0.1s; }
[data-animate-delay="2"] { transition-delay: 0.2s; }
[data-animate-delay="3"] { transition-delay: 0.3s; }
[data-animate-delay="4"] { transition-delay: 0.4s; }
[data-animate-delay="5"] { transition-delay: 0.5s; }

/* =========================================================
   Misc
   ========================================================= */
.text-center { text-align: center; }
.text-white  { color: var(--colour-secondary); }
.mt-sm  { margin-top: var(--space-sm); }
.mt-md  { margin-top: var(--space-md); }
.mt-lg  { margin-top: var(--space-lg); }
.mb-sm  { margin-bottom: var(--space-sm); }
.mb-md  { margin-bottom: var(--space-md); }

/* Product hero label */
.product-label {
  display: inline-block;
  background: rgba(74,108,247,0.15);
  color: var(--colour-accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.35rem 0.875rem;
  border-radius: 100px;
  margin-bottom: 1.25rem;
  border: 1px solid rgba(74,108,247,0.3);
}

/* =========================================================
   Responsive — Mobile (768px)
   ========================================================= */
@media (max-width: 768px) {
  :root {
    --section-padding: 56px;
  }

  .nav__links {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }

  .hero--page {
    min-height: 50vh;
    text-align: center;
    padding-bottom: 3rem;
  }

  .hero--page .hero__content {
    text-align: center;
  }

  .hero--page .hero__sub {
    margin-left: auto;
    margin-right: auto;
  }

  .cards-grid--2,
  .cards-grid--3 {
    grid-template-columns: 1fr;
  }

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

  .two-col,
  .two-col--wide-left {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .team-grid {
    grid-template-columns: 1fr;
    max-width: 380px;
    margin: 0 auto;
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
  }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }

  .section-header {
    margin-bottom: 2.5rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1.25rem;
  }

  .hero__content {
    padding: 1.25rem;
  }

  .card {
    padding: 1.75rem;
  }

  .contact-form {
    padding: 1.75rem;
  }
}