/* =========================================================
   Pitch Aeronautics — v1 "GRID"
   Clean technical aerospace-utility flagship
   ========================================================= */

:root {
  /* Brand */
  --blue:        #0EA7E4;   /* primary signal */
  --blue-deep:   #2596BE;
  --blue-bright: #0080FF;
  --ink:         #030213;
  --navy:        #0B1220;
  --navy-2:      #1E2939;
  --slate:       #64748B;
  --white:       #FFFFFF;
  --light:       #F8FAFC;
  --line:        #E2E8F0;

  /* Semantic */
  --bg:        var(--white);
  --bg-soft:   var(--light);
  --text:      var(--navy-2);
  --text-soft: var(--slate);
  --heading:   var(--ink);

  --radius:    18px;
  --radius-sm: 12px;
  --shadow-sm: 0 1px 2px rgba(11,18,32,.06), 0 2px 8px rgba(11,18,32,.05);
  --shadow:    0 10px 30px rgba(11,18,32,.08), 0 2px 8px rgba(11,18,32,.05);
  --shadow-lg: 0 24px 60px rgba(11,18,32,.18);

  --maxw: 1180px;
  --gutter: clamp(20px, 5vw, 48px);

  --ease: cubic-bezier(.16,1,.3,1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea { font: inherit; }

h1, h2, h3, h4 { color: var(--heading); line-height: 1.1; font-weight: 800; letter-spacing: -.02em; }

/* ---------- Accessibility ---------- */
:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
  border-radius: 4px;
}
.skip-link {
  position: absolute; left: 12px; top: -60px;
  background: var(--blue); color: #fff;
  padding: 10px 18px; border-radius: 8px; z-index: 200;
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 12px; }

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding: clamp(64px, 9vw, 120px) 0; position: relative; }
.section-soft { background: var(--bg-soft); }
.section-dark { background: var(--navy); color: #cdd8e6; overflow: hidden; }
.section-dark .section-lead { color: #93a4ba; }

/* ---------- Typography helpers ---------- */
.eyebrow {
  display: inline-block;
  font-family: "JetBrains Mono", monospace;
  font-size: .8rem; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--blue-deep);
  margin-bottom: 18px;
}
.eyebrow-light { color: var(--blue); }
.section-title {
  font-size: clamp(1.7rem, 3.6vw, 2.7rem);
  margin-bottom: 18px;
  max-width: 18ch;
}
.section-title.light { color: #fff; }
.section-lead {
  font-size: clamp(1.02rem, 1.6vw, 1.18rem);
  color: var(--text-soft);
  max-width: 60ch;
}
.section-lead.light { color: #9fb0c5; }
.section-head { margin-bottom: clamp(40px, 6vw, 64px); max-width: 760px; }
.grad {
  background: linear-gradient(100deg, var(--blue) 0%, var(--blue-bright) 60%, #6cd3ff 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 26px; border-radius: 999px;
  font-weight: 600; font-size: .98rem; letter-spacing: -.01em;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
  white-space: nowrap; line-height: 1;
}
.btn-sm { padding: 11px 20px; font-size: .9rem; }
.btn-block { width: 100%; }
.btn-primary {
  background: var(--blue); color: #fff;
  box-shadow: 0 8px 20px rgba(14,167,228,.32);
}
.btn-primary:hover { background: var(--blue-bright); transform: translateY(-2px); box-shadow: 0 12px 28px rgba(14,167,228,.45); }
.btn-ghost {
  background: transparent; color: var(--navy-2);
  box-shadow: inset 0 0 0 1.5px var(--line);
}
.btn-ghost:hover { box-shadow: inset 0 0 0 1.5px var(--blue); color: var(--blue-deep); transform: translateY(-2px); }
.btn-ghost-light {
  background: rgba(255,255,255,.08); color: #fff;
  box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.5);
  backdrop-filter: blur(4px);
}
.btn-ghost-light:hover { background: rgba(255,255,255,.18); transform: translateY(-2px); }

/* =========================================================
   HEADER
   ========================================================= */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.82);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease);
}
.site-header.scrolled {
  border-bottom-color: var(--line);
  box-shadow: var(--shadow-sm);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 16px; }

.logo-lockup { display: inline-flex; align-items: center; gap: 11px; }
.logo-mark { width: 38px; height: 38px; object-fit: contain; }
.logo-word { font-weight: 600; font-size: 1.12rem; letter-spacing: -.02em; color: var(--ink); }
.logo-word strong { font-weight: 800; }

.primary-nav ul { display: flex; gap: 6px; align-items: center; }
.primary-nav a {
  display: inline-block; padding: 9px 14px; border-radius: 8px;
  font-size: .95rem; font-weight: 500; color: var(--navy-2);
  transition: color .2s, background .2s;
}
.primary-nav a:hover { color: var(--blue-deep); background: rgba(14,167,228,.08); }

.header-cta { display: flex; align-items: center; }

/* Hamburger */
.hamburger {
  display: none; width: 44px; height: 44px; border-radius: 10px;
  position: relative; flex-direction: column; gap: 5px;
  align-items: center; justify-content: center;
}
.hamburger span {
  display: block; width: 22px; height: 2px; background: var(--ink); border-radius: 2px;
  transition: transform .3s var(--ease), opacity .2s var(--ease);
}
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  display: none;
  border-top: 1px solid var(--line);
  background: #fff;
  padding: 14px var(--gutter) 28px;
}
.mobile-menu.open { display: block; animation: menuDrop .3s var(--ease); }
@keyframes menuDrop { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }
.mobile-menu ul { display: flex; flex-direction: column; gap: 4px; }
.mobile-menu a:not(.btn) {
  display: block; padding: 13px 8px; font-size: 1.05rem; font-weight: 500;
  border-bottom: 1px solid var(--line);
}
.mobile-menu .btn { margin-top: 14px; }

/* =========================================================
   HERO
   ========================================================= */
.hero {
  position: relative; isolation: isolate;
  min-height: min(86vh, 760px);
  display: flex; align-items: center;
  padding: clamp(80px, 12vw, 140px) 0 clamp(60px, 8vw, 96px);
  color: #fff; overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: -1; }
.hero-photo { width: 100%; height: 100%; object-fit: cover; object-position: center 35%; }
.hero-overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(3,2,19,.86) 0%, rgba(3,2,19,.62) 45%, rgba(11,18,32,.35) 100%),
    linear-gradient(180deg, rgba(11,18,32,.5) 0%, rgba(11,18,32,.2) 50%, rgba(3,2,19,.7) 100%);
}
.hero-spans { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .55; }
.hero-spans .span-line {
  fill: none; stroke: rgba(14,167,228,.55); stroke-width: 1.4;
  stroke-dasharray: 4 9; stroke-linecap: round;
  animation: dash 22s linear infinite;
}
.hero-spans .span-line:nth-child(2) { stroke: rgba(108,211,255,.4); animation-duration: 28s; }
.hero-spans .span-line:nth-child(3) { stroke: rgba(14,167,228,.3); animation-duration: 34s; }
.hero-spans .tower { stroke: rgba(255,255,255,.18); stroke-width: 2; }
@keyframes dash { to { stroke-dashoffset: -260; } }

.hero-inner { position: relative; max-width: 780px; }
.hero-title {
  font-size: clamp(2.3rem, 6.2vw, 4.3rem);
  font-weight: 900; letter-spacing: -.03em; color: #fff;
  margin-bottom: 22px;
}
.hero-sub { font-size: clamp(1.05rem, 2vw, 1.3rem); color: #d4dde9; max-width: 56ch; margin-bottom: 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 44px; }

.trust-strip {
  display: flex; flex-wrap: wrap; gap: 10px 12px;
  font-family: "JetBrains Mono", monospace; font-size: .82rem; letter-spacing: .04em;
}
.trust-strip li {
  position: relative; padding-left: 20px; color: #b9c6d6; text-transform: lowercase;
}
.trust-strip li::before {
  content: ""; position: absolute; left: 2px; top: 50%; transform: translateY(-50%);
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--blue); box-shadow: 0 0 12px var(--blue);
}

/* =========================================================
   POSITIONING STRIP
   ========================================================= */
.positioning {
  background: var(--ink); color: #fff; padding: 26px 0;
}
.positioning .container { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.positioning-label {
  font-family: "JetBrains Mono", monospace; font-size: .72rem; letter-spacing: .18em;
  text-transform: uppercase; color: var(--blue); white-space: nowrap;
}
.positioning-list { display: flex; flex-wrap: wrap; gap: 8px 26px; }
.positioning-list li { font-size: .92rem; color: #9fb0c5; font-weight: 500; }

/* =========================================================
   PROBLEM
   ========================================================= */
.problem-grid {
  display: grid; gap: 22px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.problem-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
}
.problem-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(14,167,228,.4); }
.problem-icon {
  width: 52px; height: 52px; border-radius: 14px; margin-bottom: 18px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(14,167,228,.12), rgba(0,128,255,.1));
}
.problem-icon svg { width: 26px; height: 26px; fill: none; stroke: var(--blue-deep); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.problem-card h3 { font-size: 1.2rem; margin-bottom: 8px; }
.problem-card p { color: var(--text-soft); font-size: .98rem; }

/* =========================================================
   TECHNOLOGY
   ========================================================= */
.tech-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(36px, 5vw, 72px); align-items: center; }
.tech-bullets { display: flex; flex-direction: column; gap: 12px; margin: 26px 0 32px; }
.tech-bullets li { position: relative; padding-left: 30px; color: #b7c5d6; }
.tech-bullets li strong { color: #fff; }
.tech-bullets li::before {
  content: ""; position: absolute; left: 0; top: 9px;
  width: 14px; height: 14px; border-radius: 4px;
  background: var(--blue); box-shadow: 0 0 14px rgba(14,167,228,.6);
}

.tech-visual { position: relative; }
.tech-img { border-radius: var(--radius); box-shadow: var(--shadow-lg); border: 1px solid rgba(255,255,255,.08); }
.tech-img-map { width: 100%; }
.tech-img-chart {
  position: absolute; bottom: -34px; right: -18px; width: 62%;
  border: 1px solid rgba(14,167,228,.3);
}

/* dotted swirl background motif */
.dot-swirl {
  position: absolute; width: 620px; height: 620px; left: -180px; top: -120px;
  background-image: radial-gradient(rgba(14,167,228,.5) 1.6px, transparent 1.6px);
  background-size: 22px 22px;
  -webkit-mask-image: radial-gradient(circle at center, #000 0%, #000 30%, transparent 68%);
  mask-image: radial-gradient(circle at center, #000 0%, #000 30%, transparent 68%);
  opacity: .25; pointer-events: none;
  animation: swirlspin 90s linear infinite;
}
.dot-swirl-right { left: auto; right: -200px; top: auto; bottom: -160px; }
.dot-swirl-center { left: 50%; top: 50%; transform: translate(-50%,-50%); width: 760px; height: 760px; }
@keyframes swirlspin { to { transform: rotate(360deg); } }
.dot-swirl-center { animation-name: swirlspin-center; }
@keyframes swirlspin-center { to { transform: translate(-50%,-50%) rotate(360deg); } }

/* =========================================================
   PRODUCTS
   ========================================================= */
.products-grid {
  display: grid; gap: 22px;
  grid-template-columns: repeat(2, 1fr);
}
.product-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 30px; box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
  position: relative; overflow: hidden;
}
.product-card::after {
  content: ""; position: absolute; left: 0; top: 0; height: 100%; width: 4px;
  background: linear-gradient(180deg, var(--blue), var(--blue-bright));
  transform: scaleY(0); transform-origin: top; transition: transform .35s var(--ease);
}
.product-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: rgba(14,167,228,.35); }
.product-card:hover::after { transform: scaleY(1); }
.product-tag {
  display: inline-block; font-family: "JetBrains Mono", monospace;
  font-size: .72rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--blue-deep); background: rgba(14,167,228,.1);
  padding: 5px 12px; border-radius: 999px; margin-bottom: 16px; font-weight: 600;
}
.product-tag-accent { color: #fff; background: var(--blue); }
.product-card h3 { font-size: 1.45rem; margin-bottom: 12px; }
.product-card > p { color: var(--text-soft); }
.product-list { margin-top: 18px; display: flex; flex-direction: column; gap: 9px; }
.product-list li { position: relative; padding-left: 26px; font-size: .96rem; }
.product-list li::before {
  content: ""; position: absolute; left: 4px; top: 8px;
  width: 9px; height: 9px; border-radius: 50%; background: var(--blue);
}

.product-card-media .product-card-img {
  margin: -4px 0 8px; border-radius: var(--radius-sm); overflow: hidden;
  background: radial-gradient(circle at 50% 40%, #eaf6fd 0%, #f4f9fc 70%);
  display: grid; place-items: center; padding: 14px;
}
.product-card-img img { max-height: 180px; width: auto; object-fit: contain; filter: drop-shadow(0 14px 24px rgba(11,18,32,.18)); }

/* benefit list (FeatherFender) */
.benefit-list { margin-top: 18px; display: flex; flex-direction: column; gap: 12px; }
.benefit-list li { display: flex; gap: 12px; align-items: flex-start; font-size: .96rem; }
.benefit-num {
  font-family: "JetBrains Mono", monospace; font-size: .82rem; font-weight: 600;
  color: var(--blue-deep); background: rgba(14,167,228,.1);
  border-radius: 6px; padding: 3px 7px; flex-shrink: 0; margin-top: 1px;
}

/* feature card (drone) */
.product-card-feature {
  grid-column: span 2;
  background: linear-gradient(120deg, var(--navy) 0%, var(--navy-2) 100%);
  color: #cdd8e6; border-color: transparent;
}
.product-card-feature h3 { color: #fff; font-size: 1.7rem; }
.product-card-feature > p { color: #9fb0c5; max-width: 60ch; }
.product-card-feature .product-list li { color: #cdd8e6; }
.product-card-feature::after { background: linear-gradient(180deg, var(--blue), #6cd3ff); }
.payload-readout {
  display: inline-flex; align-items: baseline; gap: 12px;
  margin: 22px 0 6px; padding: 16px 24px; border-radius: 14px;
  background: rgba(14,167,228,.12); border: 1px solid rgba(14,167,228,.3);
}
.payload-num { font-size: 2.6rem; font-weight: 900; color: #fff; letter-spacing: -.03em; line-height: 1; }
.payload-unit { font-family: "JetBrains Mono", monospace; font-size: .82rem; color: var(--blue); letter-spacing: .05em; }

/* =========================================================
   HOW IT WORKS
   ========================================================= */
.steps {
  display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: stretch; gap: 0;
}
.step {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 30px; box-shadow: var(--shadow-sm); position: relative;
}
.step-num {
  font-family: "JetBrains Mono", monospace; font-weight: 600; font-size: 1rem;
  color: #fff; background: var(--blue);
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  margin-bottom: 18px; box-shadow: 0 8px 18px rgba(14,167,228,.35);
}
.step h3 { font-size: 1.25rem; margin-bottom: 8px; }
.step p { color: var(--text-soft); font-size: .98rem; }
.step-connector {
  align-self: center; width: 56px; height: 2px;
  background: repeating-linear-gradient(90deg, var(--blue) 0 8px, transparent 8px 16px);
}

/* =========================================================
   IMPACT / STATS
   ========================================================= */
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.stat {
  background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius); padding: 34px 26px; text-align: left;
  transition: border-color .3s, background .3s;
}
.stat:hover { border-color: rgba(14,167,228,.4); background: rgba(14,167,228,.06); }
.stat-num {
  font-size: clamp(2.4rem, 5vw, 3.4rem); font-weight: 900; letter-spacing: -.03em;
  color: #fff; line-height: 1; margin-bottom: 14px;
  font-variant-numeric: tabular-nums;
}
.stat-num .grad, .stat-num span { color: var(--blue); }
.stat-unit { font-size: 1.4rem; color: #6cd3ff; }
.stat-label { color: #93a4ba; font-size: .96rem; max-width: 30ch; }

/* =========================================================
   ABOUT
   ========================================================= */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(36px, 5vw, 72px); align-items: center; }
.about-visual { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); }
.about-visual img { width: 100%; aspect-ratio: 4/3.4; object-fit: cover; }
.about-cap {
  position: absolute; left: 16px; bottom: 16px;
  font-family: "JetBrains Mono", monospace; font-size: .76rem; letter-spacing: .08em;
  color: #fff; background: rgba(3,2,19,.6); backdrop-filter: blur(6px);
  padding: 7px 13px; border-radius: 999px;
}
.about-copy .section-lead { margin-bottom: 16px; }
.about-copy p { color: var(--text-soft); margin-bottom: 14px; }
.about-facts { display: flex; flex-wrap: wrap; gap: 14px 30px; margin-top: 26px; }
.about-facts li { display: flex; flex-direction: column; }
.about-facts strong { font-size: 1.25rem; color: var(--ink); letter-spacing: -.02em; }
.about-facts li { font-size: .85rem; color: var(--text-soft); font-family: "JetBrains Mono", monospace; letter-spacing: .04em; }

/* =========================================================
   NEWS
   ========================================================= */
.news-grid { display: grid; gap: 22px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.news-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 28px; box-shadow: var(--shadow-sm); display: flex; flex-direction: column;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.news-meta { font-family: "JetBrains Mono", monospace; font-size: .76rem; color: var(--blue-deep); letter-spacing: .04em; margin-bottom: 14px; }
.news-card h3 { font-size: 1.18rem; margin-bottom: 10px; line-height: 1.25; }
.news-card p { color: var(--text-soft); font-size: .96rem; flex: 1; }
.news-link { display: inline-flex; gap: 8px; align-items: center; color: var(--blue-deep); font-weight: 600; margin-top: 18px; font-size: .95rem; }
.news-link span { transition: transform .25s var(--ease); }
.news-link:hover span { transform: translateX(5px); }

/* =========================================================
   INVESTORS
   ========================================================= */
.investors .section-head { text-align: center; margin-inline: auto; }
.investors .section-title, .investors .section-lead { margin-inline: auto; }
.investor-board { display: flex; justify-content: center; }
.investor-card {
  display: flex; flex-direction: column; align-items: center; gap: 18px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 48px 64px; box-shadow: var(--shadow);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.investor-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.investor-logo { height: 38px; width: auto; }
.investor-year {
  font-family: "JetBrains Mono", monospace; font-size: .82rem; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase; color: var(--slate);
  padding-top: 14px; border-top: 1px solid var(--line); width: 100%; text-align: center;
}

/* =========================================================
   CTA BAND
   ========================================================= */
.cta-band {
  background: linear-gradient(120deg, var(--ink) 0%, var(--navy) 55%, #0c2740 100%);
  color: #fff; position: relative; overflow: hidden;
  padding: clamp(64px, 9vw, 110px) 0;
}
.cta-inner { position: relative; max-width: 720px; margin-inline: auto; text-align: center; }
.cta-title { font-size: clamp(2rem, 5vw, 3.2rem); color: #fff; margin-bottom: 14px; }
.cta-sub { color: #aebccf; font-size: 1.1rem; margin-bottom: 36px; max-width: 54ch; margin-inline: auto; }

.contact-form {
  display: grid; grid-template-columns: 1fr 1fr; gap: 18px; text-align: left;
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1);
  padding: clamp(24px, 4vw, 40px); border-radius: var(--radius);
  backdrop-filter: blur(8px);
}
.field { display: flex; flex-direction: column; gap: 7px; }
.field-full { grid-column: 1 / -1; }
.field label { font-size: .85rem; font-weight: 600; color: #cdd8e6; letter-spacing: .01em; }
.field input, .field textarea {
  background: rgba(255,255,255,.06); border: 1.5px solid rgba(255,255,255,.16);
  border-radius: 10px; padding: 13px 15px; color: #fff; transition: border-color .2s, background .2s;
  resize: vertical;
}
.field input::placeholder, .field textarea::placeholder { color: #7e8ea3; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--blue); background: rgba(14,167,228,.08); }
.field input[aria-invalid="true"] { border-color: #ff6b6b; }
.field-error { font-size: .8rem; color: #ff8585; min-height: 1em; }
.form-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.form-actions .btn-ghost { color: #fff; box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.35); }
.form-actions .btn-ghost:hover { box-shadow: inset 0 0 0 1.5px var(--blue); color: var(--blue); }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer { background: var(--ink); color: #93a4ba; padding-top: clamp(56px, 8vw, 88px); }
.footer-inner { display: grid; grid-template-columns: 1.6fr 2fr; gap: clamp(36px, 5vw, 64px); padding-bottom: 48px; }
.logo-lockup-footer .logo-word { color: #fff; }
.footer-tagline { margin: 18px 0 22px; max-width: 38ch; font-size: .96rem; }
.footer-techstars { height: 26px; width: auto; opacity: .9; }
.footer-nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.footer-col h4 { color: #fff; font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; font-family: "JetBrains Mono", monospace; font-weight: 600; margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 11px; }
.footer-col a { font-size: .95rem; transition: color .2s; }
.footer-col a:hover { color: var(--blue); }
.footer-bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  padding: 24px 0; border-top: 1px solid rgba(255,255,255,.08);
  font-size: .85rem; color: #6b7c93;
}
.footer-loc { font-family: "JetBrains Mono", monospace; letter-spacing: .04em; }

/* =========================================================
   TOAST
   ========================================================= */
.toast {
  position: fixed; left: 50%; bottom: 32px; transform: translate(-50%, 140%);
  background: var(--ink); color: #fff; padding: 15px 24px; border-radius: 12px;
  box-shadow: var(--shadow-lg); z-index: 300; font-weight: 500; font-size: .96rem;
  border: 1px solid rgba(14,167,228,.4); max-width: calc(100vw - 32px);
  transition: transform .45s var(--ease), opacity .45s var(--ease); opacity: 0;
  display: flex; align-items: center; gap: 10px;
}
.toast::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 12px var(--blue); flex-shrink: 0; }
.toast.show { transform: translate(-50%, 0); opacity: 1; }

/* =========================================================
   SCROLL REVEAL
   ========================================================= */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1000px) {
  .primary-nav, .header-cta { display: none; }
  .hamburger { display: flex; }
  .tech-grid, .about-grid { grid-template-columns: 1fr; }
  .tech-img-chart { position: static; width: 78%; margin-top: 20px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; gap: 16px; }
  .step-connector { width: 2px; height: 28px; justify-self: center; background: repeating-linear-gradient(180deg, var(--blue) 0 8px, transparent 8px 16px); }
}
@media (max-width: 760px) {
  .products-grid { grid-template-columns: 1fr; }
  .product-card-feature { grid-column: span 1; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-nav { grid-template-columns: repeat(2, 1fr); }
  .contact-form { grid-template-columns: 1fr; }
  .investor-card { padding: 40px 36px; }
}
@media (max-width: 480px) {
  body { font-size: 16px; }
  .hero { min-height: auto; }
  .stats-grid { grid-template-columns: 1fr; }
  .hero-actions .btn, .form-actions .btn { width: 100%; }
  .footer-nav { grid-template-columns: 1fr; }
}

/* =========================================================
   REDUCED MOTION
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
  .hero-spans { display: none; }
}