/* ============================================
   OPTIMA V2 — Global Styles
   Adapted from IntegratedBio design language
   ============================================ */

:root {
  /* Colors */
  --color-bg: #000000;
  --color-bg-alt: #0a0a0a;
  --color-bg-card: #111111;
  --color-surface: #141414;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-text: #f0ede6;
  --color-text-muted: rgba(240, 237, 230, 0.5);
  --color-text-dim: rgba(240, 237, 230, 0.3);
  --color-accent: #c8ff00;
  --color-accent-hover: #d4ff33;
  --color-gold: #c9a84c;
  --color-white: #ffffff;

  /* Typography */
  --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Roboto Mono', 'SF Mono', monospace;

  /* Spacing */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 40px;
  --space-xl: 64px;
  --space-2xl: 96px;
  --space-3xl: 140px;
  --gutter: clamp(20px, 4vw, 60px);

  /* Layout */
  --max-width: 1440px;
  --content-width: 680px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 0.2s;
  --duration-mid: 0.4s;
  --duration-slow: 0.8s;
}

/* ============================================
   Reset & Base
   ============================================ */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  font-weight: 300;
  overflow-x: hidden;
}

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

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

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

ul, ol {
  list-style: none;
}

/* ============================================
   Typography Scale
   ============================================ */

.t-display {
  font-size: clamp(2.8rem, 6vw, 5.2rem);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.t-heading-1 {
  font-size: clamp(2rem, 4vw, 3.6rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.015em;
}

.t-heading-2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.t-heading-3 {
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  font-weight: 400;
  line-height: 1.3;
}

.t-body {
  font-size: clamp(0.95rem, 1.2vw, 1.1rem);
  font-weight: 300;
  line-height: 1.7;
}

.t-body-lg {
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  font-weight: 300;
  line-height: 1.6;
}

.t-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.t-caption {
  font-size: 0.85rem;
  font-weight: 300;
  color: var(--color-text-muted);
}

/* ============================================
   Layout
   ============================================ */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.container--narrow {
  max-width: var(--content-width);
}

.section {
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
}

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

.section--alt {
  background-color: var(--color-bg-alt);
}

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

.grid {
  display: grid;
  gap: var(--space-lg);
}

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

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

.grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.flex {
  display: flex;
}

.flex--between {
  justify-content: space-between;
}

.flex--center {
  align-items: center;
}

.flex--col {
  flex-direction: column;
}

/* ============================================
   Header / Navigation
   ============================================ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-md) var(--gutter);
  transition: background var(--duration-mid) var(--ease-out),
              backdrop-filter var(--duration-mid) var(--ease-out);
}

.header.scrolled {
  background: rgba(11, 11, 11, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: 0.02em;
  z-index: 1001;
}

.header__logo img {
  width: 32px;
  height: 32px;
}

.header__logo-text {
  font-weight: 400;
  font-size: 0.95rem;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 0;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  padding: 4px;
}

.header__nav-link {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 10px 20px;
  border-radius: 100px;
  transition: all var(--duration-fast) var(--ease-out);
  color: var(--color-text-muted);
}

.header__nav-link:hover {
  color: var(--color-text);
}

.header__nav-link.active {
  color: var(--color-text);
}

.header__nav-cta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 10px 20px;
  border-radius: 100px;
  background: var(--color-white);
  color: var(--color-bg);
  transition: all var(--duration-fast) var(--ease-out);
}

.header__nav-cta:hover {
  background: var(--color-accent);
  color: var(--color-bg);
}

/* Mobile menu */
.header__menu-toggle {
  display: none;
  width: 32px;
  height: 32px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  z-index: 1001;
}

.header__menu-toggle span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--color-text);
  transition: all var(--duration-mid) var(--ease-out);
}

.header__menu-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(3px, 3px);
}

.header__menu-toggle.open span:nth-child(2) {
  opacity: 0;
}

.header__menu-toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(3px, -3px);
}

.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 999;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: var(--space-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-mid) var(--ease-out);
}

.mobile-nav.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-nav a {
  font-size: 2rem;
  font-weight: 300;
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  overflow: hidden;
}

.hero__video-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__video-bg video,
.hero__video-bg .video-placeholder {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__video-bg .video-placeholder {
  background: linear-gradient(
    135deg,
    #0a1a0f 0%,
    #0d2818 20%,
    #1a3a2a 40%,
    #0f2a1a 60%,
    #162e20 80%,
    #0a1a0f 100%
  );
  background-size: 400% 400%;
  animation: gradientShift 20s ease infinite;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  25% { background-position: 100% 50%; }
  50% { background-position: 100% 0%; }
  75% { background-position: 0% 100%; }
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: rgba(11, 11, 11, 0.15);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  padding: 120px var(--gutter) var(--space-xl);
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}

.hero__title {
  max-width: 800px;
}

.hero__bottom {
  position: absolute;
  bottom: var(--space-lg);
  left: var(--gutter);
  right: var(--gutter);
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero__subtitle {
  max-width: 480px;
}

.hero__cta {
  flex-shrink: 0;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 14px 28px;
  border-radius: 100px;
  transition: all var(--duration-fast) var(--ease-out);
  border: 1px solid transparent;
}

.btn--primary {
  background: var(--color-white);
  color: var(--color-bg);
}

.btn--primary:hover {
  background: var(--color-accent);
}

.btn--outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn--outline:hover {
  border-color: var(--color-text);
}

.btn--accent {
  background: var(--color-accent);
  color: var(--color-bg);
}

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

.btn--dark {
  background: var(--color-bg);
  color: var(--color-text);
}

.btn--dark:hover {
  background: #1a1a1a;
}

.btn__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-bg);
  margin-left: 4px;
  transition: transform var(--duration-fast) var(--ease-out);
}

.btn:hover .btn__icon {
  transform: translateX(2px);
}

.btn__icon svg {
  width: 14px;
  height: 14px;
}

/* ============================================
   Section Label (What We Do, etc.)
   ============================================ */

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-xl);
}

.section-label__dot {
  width: 10px;
  height: 10px;
  background: var(--color-accent);
  border-radius: 2px;
}

.section-label__text {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text);
}

/* ============================================
   Scroll Text Section (Sticky + Character Reveal)
   ============================================ */

.scroll-text-wrapper {
  position: relative;
  height: 250vh;
}

.scroll-text-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  background: var(--color-bg);
}

.scroll-text-label {
  position: absolute;
  top: 80px;
  left: var(--gutter);
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  z-index: 2;
}

.scroll-text-progress {
  position: absolute;
  top: 120px;
  left: var(--gutter);
  right: var(--gutter);
  height: 1px;
  background: rgba(255,255,255,0.12);
  z-index: 2;
}

.scroll-text-progress__bar {
  height: 100%;
  background: var(--color-accent);
  width: 0%;
  transition: width 0.05s linear;
}

.scroll-text-counter {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  left: var(--gutter);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  padding: 8px 16px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 100px;
  z-index: 2;
}

/* Spinning logo */
.scroll-text-logo {
  position: absolute;
  left: 18%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: clamp(220px, 22vw, 340px);
  height: clamp(220px, 22vw, 340px);
  z-index: 2;
}

.spin-logo {
  width: 100%;
  height: 100%;
  animation: spinSlow 30s linear infinite;
  opacity: 0.7;
}

@keyframes spinSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.scroll-text-content {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
  padding: 0 var(--gutter);
}

.scroll-text-slide {
  position: absolute;
  right: var(--gutter);
  top: 50%;
  transform: translateY(-50%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
  max-width: 680px;
  width: 55%;
}

.scroll-text-slide.active {
  opacity: 1;
  pointer-events: all;
}

.scroll-text-heading {
  font-size: clamp(2rem, 3.8vw, 3.2rem);
  font-weight: 300;
  line-height: 1.18;
  letter-spacing: -0.015em;
}

.scroll-text-heading .char {
  color: rgba(240, 237, 230, 0.2);
  transition: color 0.04s ease;
}

.scroll-text-heading .char.lit {
  color: var(--color-text);
}

@media (max-width: 1024px) {
  .scroll-text-logo {
    left: 20%;
    width: clamp(150px, 18vw, 250px);
    height: clamp(150px, 18vw, 250px);
    opacity: 0.5;
  }

  .scroll-text-slide {
    width: 50%;
  }
}

@media (max-width: 768px) {
  .scroll-text-logo {
    position: absolute;
    left: 50%;
    top: 30%;
    transform: translate(-50%, -50%);
    width: 140px;
    height: 140px;
    opacity: 0.06;
  }

  .scroll-text-slide {
    width: 90%;
    right: 5%;
    left: 5%;
    max-width: none;
  }

  .scroll-text-counter {
    top: 140px;
    transform: none;
    left: var(--gutter);
  }

  .scroll-text-wrapper {
    height: 200vh;
  }

  .scroll-text-content {
    padding: 0 var(--gutter);
  }
}

/* ============================================
   Platform Section
   ============================================ */

.platform-section {
  border-top: 1px solid var(--color-border);
}

.platform__header {
  padding: var(--space-3xl) 0 var(--space-xl);
}

.platform__pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-border);
}

.pillar {
  background: var(--color-bg);
  padding: var(--space-xl) var(--space-lg);
  transition: background var(--duration-mid) var(--ease-out);
  position: relative;
}

.pillar:hover {
  background: var(--color-bg-alt);
}

.pillar__number {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--color-text-dim);
  margin-bottom: var(--space-lg);
}

.pillar__icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-md);
  opacity: 0.7;
}

.pillar__title {
  margin-bottom: var(--space-sm);
}

.pillar__description {
  color: var(--color-text-muted);
  max-width: 380px;
}

.pillar__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  margin-top: var(--space-lg);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  transition: gap var(--duration-fast) var(--ease-out);
}

.pillar__link:hover {
  gap: var(--space-sm);
}

/* ============================================
   Company / About Section
   ============================================ */

.about-section {
  position: relative;
}

.about-section__bg {
  position: absolute;
  inset: 0;
  opacity: 0.05;
  background: radial-gradient(ellipse at 70% 50%, rgba(200, 255, 0, 0.15), transparent 70%);
}

.about__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.about__text {
  max-width: 520px;
}

.about__text p {
  margin-top: var(--space-md);
  color: var(--color-text-muted);
}

.about__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about__visual img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

/* ============================================
   News / Articles Section
   ============================================ */

.news-section {
  border-top: 1px solid var(--color-border);
}

.news__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: var(--space-xl);
}

.news__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--color-border);
}

.news-card {
  background: var(--color-bg);
  padding: var(--space-lg);
  transition: background var(--duration-mid) var(--ease-out);
  display: flex;
  flex-direction: column;
}

.news-card:hover {
  background: var(--color-bg-alt);
}

.news-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.news-card__category {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.news-card__date {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  color: var(--color-text-dim);
}

.news-card__title {
  font-size: clamp(1.1rem, 1.5vw, 1.3rem);
  font-weight: 400;
  line-height: 1.35;
  margin-bottom: var(--space-md);
  flex: 1;
}

.news-card__excerpt {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: var(--space-md);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card__link {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--duration-fast);
}

.news-card:hover .news-card__link {
  color: var(--color-accent);
}

/* ============================================
   CTA Banner
   ============================================ */

.cta-banner {
  border-top: 1px solid var(--color-border);
  padding: var(--space-3xl) 0;
}

.cta-banner__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-xl);
}

/* ============================================
   Footer
   ============================================ */

.footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-xl) 0 var(--space-lg);
}

.footer__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: var(--space-xl);
}

.footer__nav {
  display: flex;
  gap: var(--space-lg);
}

.footer__nav a {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--duration-fast);
}

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

.footer__social {
  display: flex;
  gap: var(--space-sm);
}

.footer__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  transition: all var(--duration-fast);
}

.footer__social a:hover {
  border-color: var(--color-text);
  color: var(--color-text);
}

.footer__social svg {
  width: 16px;
  height: 16px;
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.footer__copyright {
  font-size: 0.8rem;
  color: var(--color-text-dim);
}

.footer__back-top {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--duration-fast);
}

.footer__back-top:hover {
  color: var(--color-text);
}

/* ============================================
   Scroll Reveal Animations
   ============================================ */

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

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

.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--delay-4 { transition-delay: 0.4s; }

/* Text reveal line by line */
.text-reveal {
  overflow: hidden;
}

.text-reveal__line {
  display: block;
  transform: translateY(100%);
  transition: transform var(--duration-slow) var(--ease-out);
}

.text-reveal.visible .text-reveal__line {
  transform: translateY(0);
}

/* Stagger children */
.stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--duration-mid) var(--ease-out),
              transform var(--duration-mid) var(--ease-out);
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.1s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.15s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.2s; opacity: 1; transform: translateY(0); }

/* ============================================
   Page-specific: Platform
   ============================================ */

.platform-hero {
  min-height: 60vh;
  display: flex;
  align-items: flex-end;
  padding-bottom: var(--space-2xl);
}

.workflow-section {
  border-top: 1px solid var(--color-border);
}

.workflow__steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--color-border);
  margin-top: var(--space-xl);
}

.workflow__step {
  background: var(--color-bg);
  padding: var(--space-lg) var(--space-md);
}

.workflow__step-number {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.workflow__step-title {
  font-size: 1rem;
  font-weight: 400;
  margin-bottom: var(--space-sm);
}

.workflow__step-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Strategy cards */
.strategy-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.strategy-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--space-xl) var(--space-lg);
  transition: border-color var(--duration-mid);
}

.strategy-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

.strategy-card__icon {
  font-size: 2rem;
  margin-bottom: var(--space-md);
}

.strategy-card__title {
  font-size: 1.2rem;
  font-weight: 400;
  margin-bottom: var(--space-xs);
}

.strategy-card__subtitle {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.strategy-card__desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ============================================
   Page-specific: Company / Team
   ============================================ */

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--color-border);
  margin-top: var(--space-xl);
}

.team-card {
  background: var(--color-bg);
  padding: var(--space-lg);
  transition: background var(--duration-mid);
}

.team-card:hover {
  background: var(--color-bg-alt);
}

.team-card__photo {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: var(--space-md);
  background: var(--color-surface);
}

.team-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-card__name {
  font-size: 1rem;
  font-weight: 400;
  margin-bottom: 4px;
}

.team-card__role {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.team-card__link {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  transition: color var(--duration-fast);
}

.team-card__link:hover {
  color: var(--color-accent);
}

/* Investors / Partners logos */
.logos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1px;
  background: var(--color-border);
  margin-top: var(--space-xl);
}

.logo-cell {
  background: var(--color-bg);
  padding: var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100px;
}

.logo-cell img {
  max-height: 40px;
  opacity: 0.5;
  filter: brightness(0) invert(1);
  transition: opacity var(--duration-fast);
}

.logo-cell:hover img {
  opacity: 0.8;
}

/* ============================================
   Page-specific: Contact
   ============================================ */

.contact-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
}

.contact__info h3 {
  margin-bottom: var(--space-sm);
}

.contact__info p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}

.contact__email {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-accent);
  font-size: 1.1rem;
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration-fast);
}

.contact__email:hover {
  border-color: var(--color-accent);
}

.form__group {
  margin-bottom: var(--space-md);
}

.form__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

.form__input,
.form__select,
.form__textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-sm) 0;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 300;
  color: var(--color-text);
  outline: none;
  transition: border-color var(--duration-fast);
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  border-color: var(--color-accent);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--color-text-dim);
}

.form__textarea {
  min-height: 120px;
  resize: vertical;
}

.form__select {
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0 center;
}

.form__select option {
  background: #111;
  color: #eee;
  padding: 0.5rem;
}

.custom-select {
  position: relative;
}

.custom-select__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-dim);
  font-size: 0.95rem;
  cursor: pointer;
  transition: border-color var(--duration-fast);
}

.custom-select__trigger:hover {
  border-color: var(--color-text-muted);
}

.custom-select.open .custom-select__trigger {
  border-color: var(--color-accent);
}

.custom-select__trigger.has-value {
  color: var(--color-text);
}

.custom-select__options {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #111;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  margin-top: 4px;
  z-index: 100;
  overflow: hidden;
}

.custom-select.open .custom-select__options {
  display: block;
}

.custom-select__option {
  padding: 0.75rem 1rem;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  font-size: 0.95rem;
}

.custom-select__option:hover {
  background: rgba(200, 255, 0, 0.08);
  color: var(--color-text);
}

.custom-select__option.selected {
  color: var(--color-accent);
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

/* ============================================
   Page-specific: Newsroom
   ============================================ */

.newsroom-hero {
  padding-top: calc(80px + var(--space-3xl));
}

.news-filters {
  display: flex;
  gap: var(--space-sm);
  margin: var(--space-xl) 0;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-sm);
}

.news-filter {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 8px 16px;
  border-radius: 100px;
  color: var(--color-text-muted);
  transition: all var(--duration-fast);
  cursor: pointer;
  background: none;
  border: none;
}

.news-filter.active,
.news-filter:hover {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.05);
}

.featured-article {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-xl);
  align-items: center;
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-xl);
}

.featured-article__image {
  aspect-ratio: 16/10;
  border-radius: 8px;
  overflow: hidden;
  background: var(--color-surface);
}

.featured-article__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Publications list */
.publications-list {
  margin-top: var(--space-xl);
}

.publication-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
  transition: padding-left var(--duration-fast) var(--ease-out);
}

.publication-item:hover {
  padding-left: var(--space-sm);
}

.publication-item__title {
  font-size: 1rem;
  font-weight: 400;
  flex: 1;
  margin-right: var(--space-lg);
}

.publication-item__date {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-text-dim);
  white-space: nowrap;
}

/* ============================================
   Careers Section
   ============================================ */

.job-listing {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  margin-bottom: var(--space-md);
  overflow: hidden;
  transition: border-color var(--duration-mid);
}

.job-listing:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

.job-listing__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg);
  cursor: pointer;
}

.job-listing__title {
  font-size: 1.1rem;
  font-weight: 400;
}

.job-listing__meta {
  display: flex;
  gap: var(--space-md);
  align-items: center;
}

.job-listing__tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 100px;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

.job-listing__toggle {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  transition: all var(--duration-fast);
}

.job-listing__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-mid) var(--ease-out);
}

.job-listing.open .job-listing__body {
  max-height: 1000px;
}

.job-listing__body-inner {
  padding: 0 var(--space-lg) var(--space-lg);
  color: var(--color-text-muted);
}

.job-listing__body-inner p {
  margin-bottom: var(--space-sm);
}

/* ============================================
   Utilities
   ============================================ */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.text-muted { color: var(--color-text-muted); }
.text-dim { color: var(--color-text-dim); }
.text-accent { color: var(--color-accent); }
.text-center { text-align: center; }

.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

.mb-xs { margin-bottom: var(--space-xs); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.pt-header { padding-top: 80px; }

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1024px) {
  .grid--3,
  .platform__pillars {
    grid-template-columns: 1fr;
  }

  .grid--4,
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .strategy-cards {
    grid-template-columns: 1fr;
  }

  .featured-article {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 768px) {
  :root {
    --space-3xl: 80px;
  }

  .header__nav {
    display: none;
  }

  .header__menu-toggle {
    display: flex;
  }

  .mobile-nav {
    display: flex;
  }

  .hero__bottom {
    flex-direction: column;
    gap: var(--space-lg);
    align-items: flex-start;
  }

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

  .news__header {
    flex-direction: column;
    gap: var(--space-md);
    align-items: flex-start;
  }

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

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

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

  .footer__top {
    flex-direction: column;
    gap: var(--space-lg);
  }

  .footer__nav {
    flex-wrap: wrap;
  }

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

@media (max-width: 480px) {
  :root {
    --space-3xl: 60px;
  }

  .t-display {
    font-size: 2.2rem;
  }
}