/* ============================================================
   GEOFLOW RESOURCES - Production Stylesheet
   ============================================================ */

/* --- Reset & Base --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

/* --- Design Tokens --- */
:root {
  /* Brand */
  --teal: #18ad9d;
  --teal-dark: #128d80;
  --teal-darker: #106f66;
  --teal-light: #e7f7f4;
  --gold: #b3945a;
  --gold-dark: #997b46;
  --gold-darker: #7c6238;
  --gold-light: #f8f3ea;
  --slate: #404b5b;
  --slate-light: #54606e;
  --slate-dark: #333c49;
  --slate-darker: #262d37;
  --slate-darkest: #1a1f26;
  --stone: #8e8983;
  --stone-light: #f1ece3;
  --stone-lighter: #faf8f4;
  --stone-border: #d0c8b6;
  --stone-muted: #b3aa98;
  --green: #2e9e6b;
  --green-bg: #e6f4ec;

  /* Surfaces */
  --page-bg: var(--stone-lighter);
  --card-bg: #fff;
  --dark-bg: var(--slate-darkest);

  /* Text */
  --text-strong: var(--slate-darkest);
  --text-heading: var(--slate-dark);
  --text-body: var(--slate);
  --text-muted: #726d67;
  --text-on-dark: #f4f6f8;
  --text-on-dark-muted: #a6b0bd;

  /* Borders */
  --border: var(--stone-border);
  --border-subtle: #e3ddcf;

  /* Typography */
  --font-body: 'Archivo', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Archivo', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'Cascadia Code', monospace;

  /* Spacing */
  --container: 1200px;
  --gap: clamp(1rem, 3vw, 2rem);

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Transitions */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --speed: 0.2s;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-body);
  background: var(--page-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { line-height: 1.2; color: var(--text-heading); }

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2.5rem);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55em;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.005em;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  border: 1.5px solid transparent;
  border-radius: var(--radius-md);
  transition: background var(--speed) var(--ease),
              border-color var(--speed) var(--ease),
              color var(--speed) var(--ease),
              transform var(--speed) var(--ease);
  user-select: none;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 2px solid var(--teal); outline-offset: 2px; }
.btn svg { flex-shrink: 0; }

.btn--sm { font-size: 13px; padding: 0.5rem 0.85rem; min-height: 32px; }
.btn--md { font-size: 14px; padding: 0.65rem 1.15rem; min-height: 40px; }
.btn--lg { font-size: 16px; padding: 0.85rem 1.5rem; min-height: 48px; }

.btn--primary { background: var(--teal); color: #fff; }
.btn--primary:hover { background: var(--teal-dark); }

.btn--secondary { background: var(--gold); color: #fff; }
.btn--secondary:hover { background: var(--gold-dark); }

.btn--outline { background: transparent; color: var(--text-heading); border-color: var(--border); }
.btn--outline:hover { border-color: var(--stone-muted); background: var(--stone-light); }

.btn--ghost { background: transparent; color: var(--text-heading); }
.btn--ghost:hover { background: var(--stone-light); }

.btn--ink { background: var(--slate-dark); color: #fff; }
.btn--ink:hover { background: var(--slate-darker); }

.btn--on-dark { color: var(--text-on-dark); border-color: rgba(255,255,255,0.2); }
.btn--on-dark:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.35); }

/* --- Section Headings --- */
.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.75rem;
}
.section-eyebrow--gold { color: var(--gold); }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-strong);
  margin-bottom: 1rem;
}
.section-title--light { color: var(--text-on-dark); }

.section-desc {
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  color: var(--text-muted);
  max-width: 540px;
  line-height: 1.65;
}
.section-desc--light { color: var(--text-on-dark-muted); }

/* --- Badge --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.35em 0.7em;
  border-radius: 100px;
  line-height: 1;
}
.badge--success {
  background: var(--green);
  color: #fff;
}
.badge--success::before {
  content: '';
  width: 0.5em;
  height: 0.5em;
  border-radius: 50%;
  background: #fff;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: background var(--speed) var(--ease), box-shadow var(--speed) var(--ease);
}
.nav--solid {
  background: rgba(26, 31, 38, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}

.nav__inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  height: 72px;
}

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

.nav__links {
  display: flex;
  gap: 0.25rem;
  margin-left: auto;
}
.nav__link {
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color var(--speed) var(--ease), background var(--speed) var(--ease);
}
.nav__link:hover { color: #fff; background: rgba(255,255,255,0.08); }

.nav__actions {
  display: flex;
  gap: 0.5rem;
  margin-left: 1rem;
}
.nav__actions .btn--ghost { color: rgba(255,255,255,0.8); }
.nav__actions .btn--ghost:hover { color: #fff; background: rgba(255,255,255,0.08); }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
}
.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: rgba(255,255,255,0.8);
  border-radius: 1px;
  transition: transform var(--speed) var(--ease), opacity var(--speed) var(--ease);
}
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background: url('images/hero-bg.jpg') center/cover no-repeat;
}
.hero__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(26, 31, 38, 0.7) 0%,
    rgba(26, 31, 38, 0.5) 50%,
    rgba(26, 31, 38, 0.85) 100%
  );
}
.hero__content {
  position: relative;
  z-index: 1;
  padding-top: 120px;
  padding-bottom: 100px;
}
.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 1.5rem;
}
.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 6vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: #fff;
  margin-bottom: 1.25rem;
  max-width: 680px;
}
.hero__sub {
  font-size: clamp(1rem, 2.5vw, 1.15rem);
  color: var(--text-on-dark-muted);
  max-width: 540px;
  line-height: 1.65;
  margin-bottom: 2rem;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.hero__ticker {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1;
  background: rgba(26, 31, 38, 0.75);
  backdrop-filter: blur(8px);
  border-top: 1px solid rgba(255,255,255,0.06);
}
.ticker {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 0.75rem clamp(1rem, 4vw, 2.5rem);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-on-dark-muted);
  overflow-x: auto;
  white-space: nowrap;
  max-width: var(--container);
  margin: 0 auto;
}
.ticker b { color: var(--teal); margin-right: 0.4em; }
.ticker .live { color: var(--green); font-style: normal; }

/* ============================================================
   STATS
   ============================================================ */
.stats {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border-subtle);
  padding: 2.5rem 0;
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
.stats__item { text-align: center; }
.stats__value {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-strong);
}
.stats__value span {
  font-size: 0.5em;
  font-weight: 500;
  color: var(--text-muted);
  margin-left: 0.15em;
}
.stats__label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

/* ============================================================
   CAPABILITIES
   ============================================================ */
.capabilities {
  padding: clamp(4rem, 8vw, 7rem) 0;
}
.capabilities__head {
  max-width: 560px;
  margin-bottom: 3rem;
}
.capabilities__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.cap-card {
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: border-color var(--speed) var(--ease), box-shadow var(--speed) var(--ease);
}
.cap-card:hover {
  border-color: var(--border);
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}
.cap-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}
.cap-card__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--teal-light);
  color: var(--teal);
  border-radius: var(--radius-md);
}
.cap-card__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--stone-muted);
}
.cap-card__title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.cap-card__desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
}
.cap-card--cta {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--slate-darker);
  border-color: var(--slate-dark);
}
.cap-card--cta:hover { border-color: var(--slate-light); }
.cap-card--cta p {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-on-dark);
  line-height: 1.5;
}

/* ============================================================
   LIFECYCLE (dark)
   ============================================================ */
.lifecycle {
  background: var(--dark-bg);
  padding: clamp(4rem, 8vw, 7rem) 0;
}
.lifecycle__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.lifecycle__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}
.lifecycle__right { display: flex; flex-direction: column; gap: 1.25rem; }
.lifecycle__row {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.lifecycle__label {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-on-dark-muted);
  min-width: 140px;
  display: flex;
  align-items: center;
  gap: 0.6em;
}
.lifecycle__label em {
  font-style: normal;
  color: var(--teal);
  font-weight: 500;
}
.progress {
  flex: 1;
  height: 6px;
  background: rgba(255,255,255,0.08);
  border-radius: 3px;
  overflow: hidden;
}
.progress__bar {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, rgba(255,255,255,0.12), rgba(255,255,255,0.22));
  transition: width 1s var(--ease);
}
.progress__bar--teal {
  background: linear-gradient(90deg, var(--teal), var(--teal-dark));
}

/* ============================================================
   RESPONSIBLE OPERATIONS
   ============================================================ */
.responsible {
  padding: clamp(4rem, 8vw, 7rem) 0;
}
.responsible__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.responsible__media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.responsible__media img { width: 100%; }
.responsible__badge {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(26, 31, 38, 0.8);
  backdrop-filter: blur(8px);
  padding: 0.5rem 0.85rem;
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-on-dark-muted);
}
.responsible__points {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}
.resp-point {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.resp-point__icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--teal-light);
  color: var(--teal);
  border-radius: var(--radius-md);
}
.resp-point h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}
.resp-point p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ============================================================
   CTA
   ============================================================ */
.cta {
  position: relative;
  padding: clamp(5rem, 10vw, 8rem) 0;
  overflow: hidden;
}
.cta__bg {
  position: absolute;
  inset: 0;
  background: url('images/terrain.jpg') center/cover no-repeat;
}
.cta__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(26, 31, 38, 0.75) 0%,
    rgba(26, 31, 38, 0.85) 100%
  );
}
.cta__inner {
  position: relative;
  z-index: 1;
  text-align: center;
}
.cta__title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4.5vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: 2rem;
}
.cta__actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--slate-darkest);
  padding-top: clamp(3rem, 6vw, 5rem);
  color: var(--text-on-dark-muted);
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer__logo { margin-bottom: 1rem; max-height: 60px; width: auto; }
.footer__brand p {
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 280px;
  margin-bottom: 1.25rem;
}
.footer__coord {
  font-family: var(--font-mono);
  font-size: 11px;
  display: flex;
  flex-direction: column;
  gap: 0.35em;
}
.footer__coord b { color: var(--teal); margin-right: 0.4em; }

.footer__col h4 {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-on-dark);
  margin-bottom: 1rem;
}
.footer__col a {
  display: block;
  font-size: 14px;
  padding: 0.3rem 0;
  transition: color var(--speed) var(--ease);
}
.footer__col a:hover { color: var(--text-on-dark); }

.footer__bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
  font-size: 13px;
}
.footer__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--stone);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* Tablet */
@media (max-width: 960px) {
  .nav__links, .nav__actions { display: none; }
  .nav__toggle { display: flex; }

  /* Mobile menu */
  .nav.menu-open .nav__links,
  .nav.menu-open .nav__actions { display: flex; }

  .nav.menu-open .nav__links {
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(26, 31, 38, 0.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 1rem clamp(1rem, 4vw, 2.5rem);
  }
  .nav.menu-open .nav__links .nav__link {
    padding: 0.75rem 0;
    font-size: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
  .nav.menu-open .nav__actions {
    position: absolute;
    top: calc(72px + var(--menu-links-h, 250px));
    left: 0;
    right: 0;
    background: rgba(26, 31, 38, 0.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 0.75rem clamp(1rem, 4vw, 2.5rem) 1.25rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    gap: 0.75rem;
  }

  .capabilities__grid { grid-template-columns: repeat(2, 1fr); }
  .lifecycle__inner { grid-template-columns: 1fr; }
  .responsible__grid { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

/* Phone */
@media (max-width: 640px) {
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .capabilities__grid { grid-template-columns: 1fr; }
  .hero__title br { display: none; }
  .cta__title br { display: none; }
  .footer__inner { grid-template-columns: 1fr; }
  .footer__bar { flex-direction: column; gap: 0.5rem; text-align: center; }

  .lifecycle__label { min-width: 110px; font-size: 12px; }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}