/* ============================================================
   PYRION — landing page styles
   Electric-blue dark system (shared DNA with the STORM site)
   ============================================================ */

:root {
  /* Surfaces */
  --bg-0: #050810;
  --bg-1: #0A0E1A;
  --bg-2: #0F1524;
  --bg-3: #141B2D;

  /* Lines */
  --border: #1E2A44;
  --border-soft: #162038;

  /* Text */
  --text-1: #E6EDF7;
  --text-2: #A0AABF;
  --text-3: #6A7488;

  /* Brand */
  --azure: #4F8BFF;
  --cyan: #5BD4FF;
  --violet: #B58CFF;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-disp: 'Space Grotesk', var(--font-sans);
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --container: 1140px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg-0);
  color: var(--text-1);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

a { color: inherit; }

::selection { background: rgba(79, 139, 255, 0.35); }

/* ───────────────────────── scroll progress ─────────────────────── */
.scroll-progress {
  position: fixed; inset: 0 0 auto 0; height: 2px; z-index: 200;
  background: transparent;
}
.scroll-progress i {
  display: block; height: 100%; width: 0;
  background: linear-gradient(90deg, var(--azure), var(--cyan));
}

/* ───────────────────────── nav ─────────────────────── */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(5, 8, 16, 0.72);
  border-bottom: 1px solid transparent;
  transition: border-color 0.4s;
}
.nav.scrolled { border-bottom-color: var(--border-soft); }

.nav-inner {
  display: flex; align-items: center; gap: 32px;
  height: 64px;
}

.nav-brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-disp); font-weight: 700;
  letter-spacing: 0.22em; font-size: 0.95rem;
  text-decoration: none;
}

.nav-links { display: flex; gap: 28px; margin-left: auto; }
.nav-links a {
  font-size: 0.86rem; color: var(--text-2); text-decoration: none;
  transition: color 0.25s;
}
.nav-links a:hover { color: var(--text-1); }

.nav-right { display: flex; align-items: center; gap: 16px; }

.lang-toggle {
  display: flex; border: 1px solid var(--border); border-radius: 999px;
  overflow: hidden;
}
.lang-toggle button {
  background: none; border: none; color: var(--text-3);
  font: 600 0.72rem var(--font-sans); letter-spacing: 0.08em;
  padding: 5px 11px; cursor: pointer; transition: all 0.25s;
}
.lang-toggle button[aria-pressed="true"] {
  background: var(--bg-3); color: var(--text-1);
}

.nav-cta {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.84rem; font-weight: 600; text-decoration: none;
  color: var(--bg-0); background: var(--azure);
  padding: 8px 16px; border-radius: 999px;
  transition: background 0.25s, transform 0.25s;
}
.nav-cta:hover { background: var(--cyan); transform: translateY(-1px); }

/* ───────────────────────── hero ─────────────────────── */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  overflow: hidden;
}

.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }

.hero-glow {
  position: absolute; pointer-events: none;
  width: 900px; height: 900px; left: 55%; top: -20%;
  background: radial-gradient(circle, rgba(79, 139, 255, 0.16), transparent 60%);
  filter: blur(40px);
}

.hero-content { position: relative; z-index: 2; padding-top: 96px; padding-bottom: 64px; }

.eyebrow {
  display: inline-block;
  font: 500 0.74rem var(--font-mono);
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--cyan);
  border: 1px solid var(--border);
  background: rgba(15, 21, 36, 0.6);
  padding: 7px 14px; border-radius: 999px;
  margin-bottom: 28px;
}

.h-display {
  font-family: var(--font-disp);
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  font-weight: 700; line-height: 1.06;
  letter-spacing: -0.02em;
  max-width: 13em;
}

.gradient {
  background: linear-gradient(95deg, var(--azure), var(--cyan));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}

.lede {
  margin-top: 28px; max-width: 38em;
  font-size: 1.08rem; color: var(--text-2);
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.92rem; font-weight: 600; text-decoration: none;
  padding: 13px 26px; border-radius: 10px;
  transition: all 0.3s var(--ease);
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary {
  background: var(--azure); color: var(--bg-0);
  box-shadow: 0 0 32px rgba(79, 139, 255, 0.3);
}
.btn-primary:hover { background: var(--cyan); transform: translateY(-2px); box-shadow: 0 0 44px rgba(91, 212, 255, 0.4); }
.btn-ghost {
  border-color: var(--border); color: var(--text-1);
  background: rgba(15, 21, 36, 0.5);
}
.btn-ghost:hover { border-color: var(--azure); transform: translateY(-2px); }

/* floating metric chips */
.hero-chips { position: absolute; inset: 0; pointer-events: none; }
.chip {
  position: absolute; left: var(--cx); top: var(--cy);
  display: flex; flex-direction: column; gap: 2px;
  background: rgba(15, 21, 36, 0.72);
  border: 1px solid var(--border);
  border-radius: 14px; padding: 14px 18px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
  animation: chip-float 7s ease-in-out infinite;
  animation-delay: var(--delay);
  will-change: transform;
}
.chip-value {
  font: 600 1.5rem var(--font-disp); color: var(--cyan);
  line-height: 1.1;
}
.chip-value small { font-size: 0.9rem; color: var(--text-2); }
.chip-label { font-size: 0.72rem; color: var(--text-3); max-width: 13em; }

@keyframes chip-float {
  0%, 100% { margin-top: 0; }
  50% { margin-top: -12px; }
}

.scroll-hint {
  position: absolute; left: 50%; bottom: 28px; transform: translateX(-50%);
  color: var(--text-3); z-index: 2;
  animation: hint-bob 2.4s ease-in-out infinite;
}
@keyframes hint-bob {
  0%, 100% { transform: translate(-50%, 0); opacity: 0.7; }
  50% { transform: translate(-50%, 8px); opacity: 1; }
}

/* ───────────────────────── sections ─────────────────────── */
.section { padding: 120px 0; }
.section-alt { background: var(--bg-1); border-block: 1px solid var(--border-soft); }

.kicker {
  display: block;
  font: 500 0.74rem var(--font-mono);
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--azure); margin-bottom: 14px;
}

.h-section {
  font-family: var(--font-disp);
  font-size: clamp(1.7rem, 3.6vw, 2.6rem);
  font-weight: 700; line-height: 1.15; letter-spacing: -0.015em;
  max-width: 18em;
}

.section-lede { margin-top: 18px; max-width: 40em; color: var(--text-2); font-size: 1.04rem; }

/* scroll-reveal */
.reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.reveal.in { opacity: 1; transform: none; }

/* ───────────────────────── cards ─────────────────────── */
.cards-3 {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 22px; margin-top: 56px;
}

.card {
  background: var(--bg-2);
  border: 1px solid var(--border-soft);
  border-radius: 18px; padding: 32px 28px;
  transition: transform 0.4s var(--ease), border-color 0.4s, box-shadow 0.4s;
}
.card:hover {
  transform: translateY(-6px);
  border-color: var(--border);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(79, 139, 255, 0.12);
}

.card-icon {
  width: 44px; height: 44px; margin-bottom: 20px;
  display: grid; place-items: center;
  color: var(--cyan);
  background: rgba(79, 139, 255, 0.1);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.card-icon svg { width: 22px; height: 22px; }

.card h3 { font-family: var(--font-disp); font-size: 1.12rem; margin-bottom: 10px; }
.card p { font-size: 0.92rem; color: var(--text-2); }

/* team */
.person { text-align: left; }
.avatar {
  width: 56px; height: 56px; border-radius: 50%;
  display: grid; place-items: center;
  font: 600 1rem var(--font-disp); color: var(--cyan);
  background: radial-gradient(circle at 30% 30%, rgba(79, 139, 255, 0.3), rgba(15, 21, 36, 0.9));
  border: 1px solid var(--border);
  margin-bottom: 18px;
}
.person-role {
  font: 500 0.76rem var(--font-mono); color: var(--azure) !important;
  letter-spacing: 0.04em; margin-bottom: 10px;
}

/* ───────────────────────── dashboard mock ─────────────────────── */
.dash {
  margin-top: 56px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.5);
}

.dash-head {
  display: flex; align-items: center; gap: 7px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-soft);
  background: var(--bg-3);
}
.dash-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--border); }
.dash-title {
  margin-left: 10px;
  font: 500 0.74rem var(--font-mono); color: var(--text-3);
}

.dash-body {
  display: grid; grid-template-columns: 1.7fr 1fr; gap: 0;
}

.dash-chart { padding: 28px; border-right: 1px solid var(--border-soft); }
.dash-chart svg { width: 100%; height: auto; display: block; }

.dash-legend {
  display: flex; flex-wrap: wrap; gap: 18px; margin-top: 16px;
}
.dash-legend span { display: inline-flex; align-items: center; gap: 7px; }
.dash-legend em { font: 400 0.74rem var(--font-sans); color: var(--text-3); font-style: normal; }
.lg { width: 16px; height: 3px; border-radius: 2px; display: inline-block; }
.lg-demand { background: var(--cyan); }
.lg-pv { background: var(--violet); }
.lg-bess { background: var(--azure); }
.lg-peak { background: rgba(91, 212, 255, 0.18); height: 10px; }

.dash-kpis {
  display: grid; grid-template-columns: 1fr; align-content: center;
  gap: 6px; padding: 22px;
}
.kpi {
  padding: 14px 18px; border-radius: 12px;
  transition: background 0.3s;
}
.kpi:hover { background: var(--bg-3); }
.kpi-value { font: 600 1.65rem var(--font-disp); color: var(--text-1); }
.kpi-value b { font-weight: 600; }
.kpi-label { display: block; font-size: 0.76rem; color: var(--text-3); margin-top: 2px; }

.dash-flow {
  border-top: 1px solid var(--border-soft);
  padding: 18px 28px;
  background: var(--bg-1);
}
.dash-flow svg { width: 100%; max-width: 640px; height: auto; display: block; margin: 0 auto; }

/* steps */
.steps {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 22px; margin-top: 64px;
}
.step { position: relative; padding-top: 18px; }
.step-n {
  font: 600 0.78rem var(--font-mono); color: var(--azure);
  letter-spacing: 0.1em;
}
.step h4 { font-family: var(--font-disp); font-size: 1rem; margin: 10px 0 8px; }
.step p { font-size: 0.86rem; color: var(--text-2); }
.step::before {
  content: ''; position: absolute; top: 0; left: 0;
  width: 34px; height: 2px;
  background: linear-gradient(90deg, var(--azure), transparent);
}

/* ───────────────────────── storm section ─────────────────────── */
.storm-grid {
  display: grid; grid-template-columns: 1.15fr 1fr;
  gap: 64px; align-items: center;
}

.storm-list { list-style: none; margin-top: 28px; display: grid; gap: 14px; }
.storm-list li {
  position: relative; padding-left: 30px;
  color: var(--text-2); font-size: 0.96rem;
}
.storm-list li::before {
  content: ''; position: absolute; left: 0; top: 7px;
  width: 16px; height: 9px;
  border-left: 2px solid var(--cyan); border-bottom: 2px solid var(--cyan);
  transform: rotate(-45deg);
}

.storm-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 18px; padding: 30px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
  transform: perspective(900px) rotateY(-4deg) rotateX(2deg);
  transition: transform 0.6s var(--ease);
}
.storm-card:hover { transform: perspective(900px) rotateY(0) rotateX(0); }

.code {
  font: 400 0.84rem/1.75 var(--font-mono);
  color: var(--text-1); white-space: pre-wrap;
}
.code .c { color: var(--text-3); }
.code .k { color: var(--azure); font-weight: 500; }
.code sub { font-size: 0.7em; }

/* ───────────────────────── contact ─────────────────────── */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1.2fr;
  gap: 64px; align-items: start;
}

.contact-form {
  background: var(--bg-2);
  border: 1px solid var(--border-soft);
  border-radius: 18px; padding: 32px;
  display: grid; gap: 18px;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

.contact-form label { display: grid; gap: 7px; }
.contact-form label span {
  font: 500 0.76rem var(--font-sans); color: var(--text-2);
  letter-spacing: 0.02em;
}
.contact-form input, .contact-form textarea {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-1);
  font: 400 0.92rem var(--font-sans);
  padding: 11px 14px;
  transition: border-color 0.25s, box-shadow 0.25s;
  resize: vertical;
}
.contact-form input:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--azure);
  box-shadow: 0 0 0 3px rgba(79, 139, 255, 0.15);
}
.contact-form .btn { justify-self: start; }
.form-note { font-size: 0.74rem; color: var(--text-3); }

/* ───────────────────────── footer ─────────────────────── */
.footer {
  border-top: 1px solid var(--border-soft);
  padding: 48px 0;
  background: var(--bg-1);
}
.footer-inner { display: grid; gap: 10px; }
.footer p { font-size: 0.86rem; color: var(--text-2); }
.footer-fine { font-size: 0.76rem !important; color: var(--text-3) !important; }
.footer-fine a { color: var(--text-3); }

/* ───────────────────────── responsive ─────────────────────── */
@media (max-width: 960px) {
  .nav-links { display: none; }
  .cards-3 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .storm-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .dash-body { grid-template-columns: 1fr; }
  .dash-chart { border-right: none; border-bottom: 1px solid var(--border-soft); }
  .dash-kpis { grid-template-columns: 1fr 1fr; }
  .hero-chips { display: none; }
  .section { padding: 88px 0; }
}

@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .dash-kpis { grid-template-columns: 1fr; }
}

/* reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .chip, .scroll-hint { animation: none; }
}