/* ============================================================
   Antaric Group — MAIN STYLESHEET
   Design language: Geometric precision · Gann-inspired cycles
   Color palette: Cool arctic white · Deep navy · Electric blue
   Typography: Space Grotesk (display) + Inter (body) + JetBrains Mono
   ============================================================ */

/* ── IMPORTS ─────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Inter:wght@300;400;500&family=JetBrains+Mono:wght@300;400&display=swap');

/* ── DESIGN TOKENS ───────────────────────────────────────── */
:root {
  /* Core palette — cool blue family */
  --white:        #f5f7fa;
  --white-mid:    #eaeff5;
  --white-deep:   #dce4ef;
  --navy:         #080d17;
  --navy-mid:     #0d1526;
  --navy-soft:    #162033;
  --blue:         #2563eb;
  --blue-light:   #3b82f6;
  --blue-pale:    #dbeafe;
  --blue-bright:  #60a5fa;
  --slate:        #64748b;
  --slate-light:  #94a3b8;

  /* Typography */
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  /* Spacing scale (8px base) */
  --sp-1:   0.5rem;
  --sp-2:   1rem;
  --sp-3:   1.5rem;
  --sp-4:   2rem;
  --sp-5:   3rem;
  --sp-6:   4rem;
  --sp-7:   6rem;
  --sp-8:   8rem;

  /* Layout */
  --max-w:    1200px;
  --nav-h:    72px;

  /* Easing */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:  cubic-bezier(0.7, 0, 0.84, 0);
}

/* ── RESET & BASE ────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--white);
  color: var(--navy);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* ── TYPOGRAPHY SCALE ────────────────────────────────────── */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.8rem, 6vw, 5.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.4rem, 2.5vw, 2rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1rem; letter-spacing: 0.06em; text-transform: uppercase; }

p { font-size: 1rem; color: var(--navy-soft); }
.lead { font-size: 1.15rem; line-height: 1.8; }

.label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--slate);
}

/* ── LAYOUT UTILITIES ────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--sp-4);
}

.section { padding-block: var(--sp-7); }
.section--lg { padding-block: var(--sp-8); }
.section--sm { padding-block: var(--sp-5); }

/* ── DIVIDER ─────────────────────────────────────────────── */
.rule {
  width: 40px;
  height: 1px;
  background: var(--blue);
  margin: var(--sp-3) 0;
}
.rule--center { margin-inline: auto; }

/* ── GEOMETRIC SVG BACKGROUNDS ───────────────────────────── */
.geo-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

/* ─────────────────────────────────────────────────────────── */
/*  NAVIGATION                                                 */
/* ─────────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: background 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out);
}

.nav.scrolled {
  background: rgba(245, 247, 250, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--white-deep);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--sp-4);
}

/* Logo */
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-shrink: 0;
}

/* ── Replace placeholder below with your SVG ── */
.nav__logo-mark {
  width: 150px;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav__logo-text {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--navy);
}

.nav__logo-sub {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate);
  display: block;
  margin-top: -2px;
}

/* Desktop menu */
.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
}

.nav__link {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--navy-soft);
  position: relative;
  transition: color 0.3s;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--blue);
  transition: width 0.3s var(--ease-out);
}

.nav__link:hover { color: var(--navy); }
.nav__link:hover::after { width: 100%; }
.nav__link.active { color: var(--blue); }
.nav__link.active::after { width: 100%; background: var(--blue); }

/* Hamburger */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--sp-1);
  background: none;
  border: none;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--navy);
  transition: transform 0.3s var(--ease-out), opacity 0.3s;
}

/* Mobile nav open */
.nav__toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__toggle.open span:nth-child(2) { opacity: 0; }
.nav__toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile menu overlay */
.nav__mobile {
  display: none;
  position: fixed;
  inset: 0;
  top: var(--nav-h);
  background: var(--white);
  z-index: 999;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: var(--sp-5);
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
}

.nav__mobile.open {
  display: flex;
  opacity: 1;
  transform: translateY(0);
}

.nav__mobile .nav__link {
  font-size: 2rem;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  text-transform: none;
}

/* ─────────────────────────────────────────────────────────── */
/*  HERO — INDEX                                               */
/* ─────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--white);
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  padding-top: var(--nav-h);
}

.hero__label {
  margin-bottom: var(--sp-3);
  opacity: 0;
  transform: translateY(12px);
  animation: fadeUp 0.9s var(--ease-out) 0.3s forwards;
}

.hero__title {
  margin-bottom: var(--sp-3);
  opacity: 0;
  transform: translateY(16px);
  animation: fadeUp 1s var(--ease-out) 0.5s forwards;
}

.hero__title em {
  font-style: normal;
  color: var(--blue);
}

.hero__sub {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--slate);
  max-width: 520px;
  margin-bottom: var(--sp-5);
  opacity: 0;
  transform: translateY(12px);
  animation: fadeUp 1s var(--ease-out) 0.7s forwards;
}

.hero__actions {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(10px);
  animation: fadeUp 1s var(--ease-out) 0.9s forwards;
}

/* Hero geometric canvas */
.hero__canvas {
  position: absolute;
  right: -60px;
  top: 50%;
  transform: translateY(-50%);
  width: 55%;
  max-width: 680px;
  aspect-ratio: 1;
  z-index: 1;
  opacity: 0;
  animation: fadeIn 1.6s var(--ease-out) 0.4s forwards;
}

/* ─────────────────────────────────────────────────────────── */
/*  BUTTONS                                                    */
/* ─────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  border: none;
  transition: all 0.3s var(--ease-out);
  position: relative;
  overflow: hidden;
}

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

.btn--primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--navy);
  transform: translateX(-100%);
  transition: transform 0.4s var(--ease-out);
  z-index: 0;
}

.btn--primary span { position: relative; z-index: 1; }
.btn--primary:hover::before { transform: translateX(0); }
.btn--primary:hover { color: var(--white); }

.btn--ghost {
  background: transparent;
  color: var(--navy);
  border: 1px solid var(--navy-soft);
}

.btn--ghost:hover {
  border-color: var(--blue);
  color: var(--blue);
}

/* Arrow icon in button */
.btn__arrow {
  width: 16px;
  height: 1px;
  background: currentColor;
  position: relative;
  transition: width 0.3s var(--ease-out);
}

.btn__arrow::after {
  content: '';
  position: absolute;
  right: 0;
  top: -3px;
  width: 6px;
  height: 6px;
  border-right: 1px solid currentColor;
  border-top: 1px solid currentColor;
  transform: rotate(45deg);
}

.btn:hover .btn__arrow { width: 24px; }

/* ─────────────────────────────────────────────────────────── */
/*  SECTION HEADER                                             */
/* ─────────────────────────────────────────────────────────── */
.section-header {
  margin-bottom: var(--sp-6);
}

.section-header--center {
  text-align: center;
}

.section-header--center .rule {
  margin-inline: auto;
}

/* ─────────────────────────────────────────────────────────── */
/*  INDEX — PHILOSOPHY SECTION                                 */
/* ─────────────────────────────────────────────────────────── */
.philosophy {
  background: var(--white);
  position: relative;
}

.philosophy__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-7);
  align-items: center;
}

.philosophy__visual {
  position: relative;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ─────────────────────────────────────────────────────────── */
/*  INDEX — PILLARS                                            */
/* ─────────────────────────────────────────────────────────── */
.pillars {
  background: var(--white-mid);
  position: relative;
  overflow: hidden;
}

.pillars__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-3);
}

.pillar-card {
  padding: var(--sp-5) var(--sp-4);
  background: var(--white);
  border-top: 2px solid transparent;
  transition: border-color 0.3s, transform 0.3s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.pillar-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-out);
}

.pillar-card:hover::before { transform: scaleX(1); }
.pillar-card:hover { transform: translateY(-4px); }

.pillar-card__num {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--blue);
  margin-bottom: var(--sp-3);
  display: block;
}

.pillar-card__title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: var(--sp-2);
  line-height: 1.2;
}

.pillar-card__text {
  font-size: 0.9rem;
  color: var(--slate);
  line-height: 1.7;
}

/* ─────────────────────────────────────────────────────────── */
/*  INDEX — RESEARCH APPROACH                                  */
/* ─────────────────────────────────────────────────────────── */
.research {
  background: var(--white);
  position: relative;
}

.research__inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--sp-7);
  align-items: start;
}

.research__list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  margin-top: var(--sp-4);
}

.research__item {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: var(--sp-3);
  align-items: start;
  padding-bottom: var(--sp-4);
  border-bottom: 1px solid var(--white-deep);
}

.research__item:last-child { border-bottom: none; }

.research__item-num {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--blue);
  letter-spacing: 0.1em;
  padding-top: 4px;
}

.research__item-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: var(--sp-1);
}

.research__item-text {
  font-size: 0.9rem;
  color: var(--slate);
}

/* ─────────────────────────────────────────────────────────── */
/*  INDEX — PERSPECTIVES (PULL QUOTE)                         */
/* ─────────────────────────────────────────────────────────── */
.perspectives {
  background: var(--navy);
  position: relative;
  overflow: hidden;
}

.perspectives .label,
.perspectives h2,
.perspectives p { color: var(--white); }
.perspectives .label { color: var(--blue-bright); }
.perspectives p { color: var(--slate-light); }

.perspectives__quote {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  font-weight: 500;
  line-height: 1.3;
  color: var(--white);
  max-width: 800px;
  margin-inline: auto;
  text-align: center;
  position: relative;
  z-index: 2;
  letter-spacing: -0.02em;
}

.perspectives__quote::before {
  content: '\201C';
  font-size: 6rem;
  line-height: 0;
  position: absolute;
  top: 2rem;
  left: -2rem;
  color: var(--blue);
  opacity: 0.3;
  font-style: normal;
}

.perspectives__attr {
  text-align: center;
  margin-top: var(--sp-4);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  color: var(--slate-light);
  text-transform: uppercase;
  position: relative;
  z-index: 2;
}

/* ─────────────────────────────────────────────────────────── */
/*  INDEX — LONG TERM VISION                                   */
/* ─────────────────────────────────────────────────────────── */
.vision {
  background: var(--white-mid);
  position: relative;
  overflow: hidden;
}

.vision__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--sp-7);
  align-items: center;
}

.vision__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
  margin-top: var(--sp-4);
}

.stat {
  padding: var(--sp-4);
  background: var(--white);
  border-left: 2px solid var(--blue);
}

.stat__num {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: var(--sp-1);
  color: var(--navy);
  letter-spacing: -0.03em;
}

.stat__label {
  font-size: 0.82rem;
  color: var(--slate);
  line-height: 1.4;
}

/* ─────────────────────────────────────────────────────────── */
/*  FOOTER                                                     */
/* ─────────────────────────────────────────────────────────── */
.footer {
  background: var(--navy-mid);
  padding-block: var(--sp-7);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: var(--sp-5);
}

.footer__brand p {
  color: var(--slate-light);
  font-size: 0.88rem;
  max-width: 250px;
  margin-top: var(--sp-2);
  line-height: 1.7;
}

.footer__nav-title {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: var(--sp-3);
}

.footer__nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.footer__nav-link {
  font-size: 0.88rem;
  color: var(--slate-light);
  transition: color 0.3s;
}

.footer__nav-link:hover { color: var(--blue-bright); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--sp-6);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--navy-soft);
}

.footer__bottom p {
  font-size: 0.78rem;
  color: var(--slate);
}

/* ─────────────────────────────────────────────────────────── */
/*  PAGE HERO (INNER PAGES)                                    */
/* ─────────────────────────────────────────────────────────── */
.page-hero {
  padding-top: calc(var(--nav-h) + var(--sp-7));
  padding-bottom: var(--sp-6);
  background: var(--white);
  position: relative;
  overflow: hidden;
}

.page-hero__inner {
  position: relative;
  z-index: 2;
}

.page-hero__title { max-width: 700px; }

.page-hero__sub {
  font-size: 1.1rem;
  color: var(--slate);
  max-width: 560px;
  margin-top: var(--sp-3);
}

/* ─────────────────────────────────────────────────────────── */
/*  ABOUT PAGE                                                 */
/* ─────────────────────────────────────────────────────────── */
.about-overview {
  background: var(--white);
}

.about-overview__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-7);
  align-items: center;
}

.about-overview__visual {
  position: relative;
}

.about-philosophy {
  background: var(--white-mid);
}

.about-philosophy__content {
  max-width: 760px;
  margin-inline: auto;
  text-align: center;
}

.about-values {
  background: var(--white);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-4);
}

.value-card {
  padding: var(--sp-5) var(--sp-4);
  border: 1px solid var(--white-deep);
  position: relative;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.value-card:hover {
  border-color: var(--blue-pale);
  box-shadow: 0 8px 40px rgba(37, 99, 235, 0.08);
}

.value-card__icon {
  width: 40px;
  height: 40px;
  margin-bottom: var(--sp-3);
}

.value-card__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: var(--sp-2);
}

.value-card__text {
  font-size: 0.9rem;
  color: var(--slate);
  line-height: 1.7;
}

.about-approach {
  background: var(--white-mid);
}

.approach-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 800px;
  margin: var(--sp-5) auto 0;
  counter-reset: step;
}

.approach-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--sp-4);
  padding-block: var(--sp-5);
  border-bottom: 1px solid var(--white-deep);
  align-items: start;
}

.approach-step:last-child { border-bottom: none; }

.approach-step__num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--blue-pale);
  line-height: 1;
  letter-spacing: -0.03em;
}

.approach-step__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--sp-2);
}

.approach-step__text {
  font-size: 0.92rem;
  color: var(--slate);
  line-height: 1.8;
}

.about-vision {
  background: var(--navy);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.about-vision h2, .about-vision p { color: var(--white); }
.about-vision p { color: var(--slate-light); }
.about-vision .label { color: var(--blue-bright); }

/* ─────────────────────────────────────────────────────────── */
/*  ATLAS PAGE                                                 */
/* ─────────────────────────────────────────────────────────── */
.atlas-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
}

.atlas-card {
  padding: var(--sp-5) var(--sp-5);
  border-bottom: 1px solid var(--white-deep);
  border-right: 1px solid var(--white-deep);
  position: relative;
  cursor: pointer;
  transition: background 0.3s;
  overflow: hidden;
}

.atlas-card:nth-child(2n) { border-right: none; }

.atlas-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  width: 0;
  background: var(--blue);
  transition: width 0.4s var(--ease-out);
}

.atlas-card:hover { background: var(--white-mid); }
.atlas-card:hover::before { width: 100%; }

.atlas-card__meta {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-3);
}

.atlas-card__num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--blue);
}

.atlas-card__tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate-light);
  padding: 3px 8px;
  border: 1px solid var(--white-deep);
}

.atlas-card__title {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 600;
  line-height: 1.15;
  margin-bottom: var(--sp-2);
  transition: color 0.3s;
  letter-spacing: -0.02em;
}

.atlas-card:hover .atlas-card__title { color: var(--blue); }

.atlas-card__excerpt {
  font-size: 0.88rem;
  color: var(--slate);
  line-height: 1.7;
  max-width: 420px;
}

.atlas-card__arrow {
  position: absolute;
  bottom: var(--sp-4);
  right: var(--sp-4);
  width: 36px;
  height: 36px;
  border: 1px solid var(--white-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s, border-color 0.3s;
}

.atlas-card:hover .atlas-card__arrow {
  background: var(--blue);
  border-color: var(--blue);
}

.atlas-card__arrow svg { transition: stroke 0.3s; }
.atlas-card:hover .atlas-card__arrow svg { stroke: var(--white); }

/* ─────────────────────────────────────────────────────────── */
/*  ARTICLE PAGE                                               */
/* ─────────────────────────────────────────────────────────── */
.article-hero {
  padding-top: calc(var(--nav-h) + var(--sp-7));
  padding-bottom: var(--sp-6);
  background: var(--white);
  border-bottom: 1px solid var(--white-deep);
}

.article-hero__label {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
}

.article-hero__back {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: color 0.3s;
}

.article-hero__back:hover { color: var(--blue); }

.article-hero__back svg {
  transition: transform 0.3s;
}
.article-hero__back:hover svg { transform: translateX(-4px); }

.article-hero__title {
  font-size: clamp(2.2rem, 5vw, 4rem);
  max-width: 760px;
  margin-bottom: var(--sp-3);
  letter-spacing: -0.03em;
}

.article-hero__subtitle {
  font-family: var(--font-body);
  font-size: 1.15rem;
  color: var(--slate);
  max-width: 600px;
  font-weight: 300;
  line-height: 1.7;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  margin-top: var(--sp-4);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--white-deep);
}

.article-meta__item {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate);
}

.article-meta__sep {
  width: 1px;
  height: 12px;
  background: var(--white-deep);
}

/* Article body */
.article-body {
  background: var(--white);
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: var(--sp-7);
  align-items: start;
}

.article-content {
  min-width: 0;
}

.article-content h2 {
  font-size: 1.9rem;
  margin-top: var(--sp-6);
  margin-bottom: var(--sp-3);
  letter-spacing: -0.02em;
}

.article-content h3 {
  font-size: 1.4rem;
  margin-top: var(--sp-5);
  margin-bottom: var(--sp-2);
}

.article-content p {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--navy-soft);
  margin-bottom: var(--sp-3);
}

.article-content .lead {
  font-family: var(--font-display);
  font-size: 1.25rem;
  line-height: 1.65;
  color: var(--navy);
  font-weight: 500;
  border-left: 3px solid var(--blue);
  padding-left: var(--sp-4);
  margin-bottom: var(--sp-5);
}

.article-content blockquote {
  background: var(--white-mid);
  border-left: 3px solid var(--blue);
  padding: var(--sp-4) var(--sp-5);
  margin: var(--sp-5) 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--navy);
  letter-spacing: -0.01em;
}

/* Article sidebar */
.article-sidebar {
  position: sticky;
  top: calc(var(--nav-h) + var(--sp-5));
}

.sidebar-card {
  background: var(--white-mid);
  padding: var(--sp-4);
  margin-bottom: var(--sp-4);
  border-left: 2px solid var(--blue);
}

.sidebar-card__title {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: var(--sp-3);
}

.sidebar-toc { display: flex; flex-direction: column; gap: var(--sp-2); }

.sidebar-toc a {
  font-size: 0.85rem;
  color: var(--slate);
  transition: color 0.3s;
  display: flex;
  gap: 10px;
  align-items: start;
}

.sidebar-toc a::before {
  content: '—';
  color: var(--blue-pale);
  flex-shrink: 0;
  font-size: 0.7rem;
  margin-top: 2px;
}

.sidebar-toc a:hover { color: var(--blue); }
.sidebar-toc a.active { color: var(--navy); font-weight: 500; }

/* Article nav bottom */
.article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
  margin-top: var(--sp-7);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--white-deep);
}

.article-nav__prev, .article-nav__next {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.article-nav__next { align-items: flex-end; text-align: right; }

.article-nav__dir {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate);
}

.article-nav__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--navy);
  transition: color 0.3s;
}

.article-nav a:hover .article-nav__title { color: var(--blue); }

/* ─────────────────────────────────────────────────────────── */
/*  CONTACT PAGE                                               */
/* ─────────────────────────────────────────────────────────── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--sp-7);
  align-items: start;
}

.contact-info { padding-top: var(--sp-2); }

.contact-block {
  margin-bottom: var(--sp-5);
  padding-bottom: var(--sp-5);
}

.contact-block:last-child { border-bottom: none; }

.contact-block__label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: var(--sp-2);
  display: block;
}

.contact-block__value {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 500;
  line-height: 1.4;
}

.contact-block__sub {
  font-size: 0.88rem;
  color: var(--slate);
  margin-top: var(--sp-1);
}

/* Contact form */
.contact-form { display: flex; flex-direction: column; gap: var(--sp-4); }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-3);
}

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

.form-field label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate);
}

.form-field input,
.form-field select,
.form-field textarea {
  padding: 14px 16px;
  background: var(--white-mid);
  border: 1px solid var(--white-deep);
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--navy);
  outline: none;
  transition: border-color 0.3s;
  -webkit-appearance: none;
  border-radius: 0;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--blue);
}

.form-field textarea { resize: vertical; min-height: 140px; }

.form-field .error-msg {
  font-size: 0.78rem;
  color: #dc2626;
  display: none;
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}

.form-field.has-error input,
.form-field.has-error textarea {
  border-color: #dc2626;
}

.form-field.has-error .error-msg { display: block; }

.form-success {
  display: none;
  padding: var(--sp-4);
  background: var(--white-mid);
  border-left: 3px solid var(--blue);
  text-align: center;
}

.form-success.show { display: block; }

.form-success p { color: var(--navy); font-size: 1rem; }

/* ─────────────────────────────────────────────────────────── */
/*  SCROLL REVEAL ANIMATION                                    */
/* ─────────────────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s 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; }

/* ─────────────────────────────────────────────────────────── */
/*  KEYFRAMES                                                  */
/* ─────────────────────────────────────────────────────────── */
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  to { opacity: 1; }
}

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

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

@keyframes pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.8; }
}

/* ─────────────────────────────────────────────────────────── */
/*  RESPONSIVE — TABLET (≤ 1024px)                            */
/* ─────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .pillars__grid { grid-template-columns: repeat(2, 1fr); }
  .philosophy__grid { grid-template-columns: 1fr; gap: var(--sp-5); }
  .research__inner { grid-template-columns: 1fr; gap: var(--sp-5); }
  .vision__grid { grid-template-columns: 1fr; gap: var(--sp-5); }
  .about-overview__grid { grid-template-columns: 1fr; gap: var(--sp-5); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
  .contact-layout { grid-template-columns: 1fr; gap: var(--sp-5); }
  .footer__inner { grid-template-columns: 1fr 1fr; gap: var(--sp-5); }
  .hero__canvas { width: 40%; right: 0; }
}

/* ─────────────────────────────────────────────────────────── */
/*  RESPONSIVE — MOBILE (≤ 768px)                             */
/* ─────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  :root { --nav-h: 64px; }

  .nav__menu { display: none; }
  .nav__toggle { display: flex; }

  .hero__canvas { display: none; }
  .hero__content { max-width: 100%; padding-top: calc(var(--nav-h) + var(--sp-4)); }

  .section { padding-block: var(--sp-5); }
  .section--lg { padding-block: var(--sp-6); }

  .pillars__grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .atlas-grid { grid-template-columns: 1fr; }
  .atlas-card:nth-child(2n) { border-right: 1px solid var(--white-deep); }
  .atlas-card { padding: var(--sp-4); }

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

  .article-nav { grid-template-columns: 1fr; }
  .article-nav__next { align-items: flex-start; text-align: left; }

  .footer__inner { grid-template-columns: 1fr; gap: var(--sp-5); }
  .footer__bottom { flex-direction: column; gap: var(--sp-2); text-align: center; }

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

  .approach-step { grid-template-columns: 50px 1fr; }
}

@media (max-width: 480px) {
  .container { padding-inline: var(--sp-3); }
  .hero__actions { flex-direction: column; align-items: flex-start; }
  .btn { width: 100%; justify-content: center; }
}

/* ─────────────────────────────────────────────────────────── */
/*  GEO ART ELEMENTS (used across pages)                      */
/* ─────────────────────────────────────────────────────────── */
.gann-square {
  animation: rotateSlow 80s linear infinite;
  transform-origin: center;
}

.gann-inner {
  animation: rotateReverse 55s linear infinite;
  transform-origin: center;
}

.gann-pulse {
  animation: pulse 4s ease-in-out infinite;
}