/* ============================================================
   PARETO MATERIALS — PARETO™ marketing site
   Palette: obsidian black + molten orange, ice-blue reserved
   for anything that literally means "ice" or data accents.
   ============================================================ */

:root {
  --bg:        #070608;
  --bg-2:      #0c0a0e;
  --panel:     #131015;
  --panel-2:   #191519;
  --ink:       #f4f0ea;
  --ink-dim:   #b3aa9e;
  --ink-faint: #71695f;
  --accent:    #ff7b1c;
  --accent-2:  #ffb35c;
  --ember:     #ff4d00;
  --ice:       #9bd6f5;
  --green:     #43d9a3;
  --red:       #e85d5d;
  --line:      rgba(255, 150, 70, 0.13);
  --radius:    18px;
  --font-d:    "Sora", "Segoe UI", sans-serif;
  --font-b:    "Inter", "Segoe UI", sans-serif;
  --font-m:    "IBM Plex Mono", Consolas, monospace;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-b);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: rgba(255, 123, 28, 0.5); }

h1, h2, h3, h4 { font-family: var(--font-d); line-height: 1.12; font-weight: 700; letter-spacing: -0.01em; }

a { color: var(--accent-2); text-decoration: none; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 28px; }

.section { padding: 110px 0; position: relative; }

.section-dark {
  background:
    radial-gradient(1200px 600px at 85% -10%, rgba(255, 123, 28, 0.09), transparent 60%),
    radial-gradient(900px 500px at 0% 110%, rgba(255, 77, 0, 0.06), transparent 60%),
    var(--bg-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.kicker {
  font-family: var(--font-m);
  font-size: 13px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}

h2 { font-size: clamp(30px, 4.4vw, 52px); margin-bottom: 22px; }

.grad-text {
  background: linear-gradient(100deg, #ffd9a8 5%, var(--accent) 70%, var(--ember) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lede { max-width: 760px; color: var(--ink-dim); font-size: 19px; margin-bottom: 54px; }
.lede strong, .lede em { color: var(--ink); }

.fine-print { margin-top: 40px; font-size: 13px; color: var(--ink-faint); max-width: 760px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-d);
  font-weight: 600;
  font-size: 16px;
  padding: 15px 32px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
  cursor: pointer;
}
.btn:hover { transform: translateY(-2px); }
.btn-accent {
  background: linear-gradient(110deg, var(--ember), var(--accent) 55%, #ff9b47);
  color: #fff;
  box-shadow: 0 8px 30px rgba(255, 100, 10, 0.38);
}
.btn-accent:hover { box-shadow: 0 12px 44px rgba(255, 110, 15, 0.55); }
.btn-ghost {
  background: rgba(255, 179, 92, 0.05);
  border-color: rgba(255, 179, 92, 0.35);
  color: var(--ink);
}
.btn-ghost:hover { background: rgba(255, 179, 92, 0.13); }
.btn-small { padding: 10px 22px; font-size: 14px; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 36px;
  padding: 14px 34px;
  background: linear-gradient(180deg, rgba(5, 4, 6, 0.93), rgba(5, 4, 6, 0.55));
  border-bottom: 1px solid transparent;
  transition: background 0.3s, border-color 0.3s;
}
.nav.scrolled { background: rgba(7, 6, 8, 0.97); border-color: var(--line); }

.nav-logo { display: flex; align-items: center; gap: 12px; color: var(--ink); }
.logo-mark { width: 38px; height: 38px; color: #7d756a; }
.logo-text {
  font-family: var(--font-d);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: 0.12em;
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.logo-text small {
  font-family: var(--font-m);
  font-weight: 400;
  font-size: 8.5px;
  letter-spacing: 0.3em;
  color: var(--ink-faint);
}

.nav-links { display: flex; gap: 26px; margin-left: auto; }
.nav-links a {
  color: var(--ink-dim);
  font-size: 14.5px;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--accent-2); }

@media (max-width: 980px) {
  .nav-links { display: none; }
  .nav-cta { margin-left: auto; white-space: nowrap; }
}
@media (max-width: 560px) {
  .nav-cta { display: none; }
  .eyebrow { font-size: 10.5px; letter-spacing: 0.24em; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
#heroCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}
.hero-vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 90% at 50% 40%, transparent 45%, rgba(3, 2, 4, 0.74) 100%),
    linear-gradient(180deg, rgba(3, 2, 4, 0.5) 0%, transparent 22%, transparent 70%, var(--bg) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1180px;
  margin: 0 auto;
  padding: 130px 28px 24vh;
  width: 100%;
}
.eyebrow {
  font-family: var(--font-m);
  font-size: 13px;
  letter-spacing: 0.4em;
  color: var(--accent-2);
  margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(48px, 8vw, 104px);
  font-weight: 800;
  letter-spacing: -0.02em;
  text-shadow: 0 10px 60px rgba(3, 2, 4, 0.85);
}
.hero-sub {
  max-width: 620px;
  margin-top: 26px;
  font-size: 20px;
  color: var(--ink-dim);
  text-shadow: 0 4px 30px rgba(3, 2, 4, 0.9);
}
.hero-sub em { color: var(--accent-2); font-style: italic; }
.hero-ctas { display: flex; gap: 16px; margin-top: 38px; flex-wrap: wrap; }

.hero-stats {
  display: flex;
  gap: clamp(28px, 6vw, 80px);
  margin-top: 64px;
  flex-wrap: wrap;
}
.hstat { display: flex; flex-direction: column; }
.hstat-num {
  font-family: var(--font-d);
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 800;
  background: linear-gradient(120deg, #ffe2bd, var(--accent) 75%, var(--ember));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hstat-label {
  font-family: var(--font-m);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-top: 6px;
}
.hero-foot { margin-top: 26px; font-size: 12.5px; color: var(--ink-faint); max-width: 520px; }

.scroll-cue {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  width: 26px;
  height: 44px;
  border: 2px solid rgba(255, 179, 92, 0.4);
  border-radius: 14px;
  display: flex;
  justify-content: center;
}
.scroll-cue span {
  width: 4px; height: 9px;
  background: var(--accent-2);
  border-radius: 2px;
  margin-top: 7px;
  animation: cue 1.8s infinite ease-in-out;
}
@keyframes cue { 0%,100% { transform: translateY(0); opacity: 1; } 60% { transform: translateY(14px); opacity: 0; } }

/* ============================================================
   OBJECTIVE CARDS
   ============================================================ */
.obj-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.obj-card {
  background: linear-gradient(170deg, var(--panel), var(--bg-2));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.obj-card:hover { transform: translateY(-6px); border-color: rgba(255, 150, 70, 0.4); }
.obj-icon { width: 48px; height: 48px; color: var(--accent); margin-bottom: 22px; }
.obj-icon svg { width: 100%; height: 100%; }
.obj-card h3 { font-size: 21px; margin-bottom: 12px; }
.obj-card p { color: var(--ink-dim); font-size: 15.5px; }
.obj-card strong { color: var(--accent-2); }
@media (max-width: 860px) { .obj-grid { grid-template-columns: 1fr; } }

/* ============================================================
   PIPELINE
   ============================================================ */
.pipeline {
  display: grid;
  grid-template-columns: 1fr 44px 1fr 44px 1fr 44px 1fr 44px 1fr;
  align-items: stretch;
  gap: 0;
  margin: 60px 0 50px;
}
.pipe-node {
  position: relative;
  background: linear-gradient(170deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 26px 20px;
  display: flex;
  flex-direction: column;
}
.pipe-node h4 { font-size: 15.5px; margin-bottom: 10px; color: var(--ink); }
.pipe-node p { font-size: 12.8px; color: var(--ink-dim); line-height: 1.55; flex: 1; }
.pipe-icon { width: 34px; height: 34px; color: var(--accent-2); margin-bottom: 14px; }
.pipe-icon svg { width: 100%; height: 100%; }
.pipe-tag {
  margin-top: 14px;
  font-family: var(--font-m);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--accent-2);
  background: rgba(255, 179, 92, 0.07);
  border: 1px solid rgba(255, 179, 92, 0.2);
  border-radius: 6px;
  padding: 4px 9px;
  align-self: flex-start;
}
.pipe-node-accent { border-color: rgba(255, 123, 28, 0.55); }
.pipe-node-accent .pipe-icon { color: var(--accent); }
.pipe-node-result { border-color: rgba(67, 217, 163, 0.4); }
.pipe-node-result .pipe-icon { color: var(--green); }

.pipe-loop {
  position: absolute;
  top: -13px; right: -13px;
  width: 30px; height: 30px;
  border: 2.5px dashed var(--accent);
  border-radius: 50%;
  animation: spin 7s linear infinite;
  opacity: 0.85;
}
@keyframes spin { to { transform: rotate(360deg); } }

.pipe-flow { position: relative; align-self: center; height: 3px; background: rgba(255, 150, 70, 0.14); overflow: hidden; border-radius: 2px; }
.pipe-flow i {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, var(--accent) 50%, transparent);
  transform: translateX(-100%);
  animation: flow 2.2s linear infinite;
}
@keyframes flow { to { transform: translateX(100%); } }

@media (max-width: 1020px) {
  .pipeline { grid-template-columns: 1fr; gap: 14px; }
  .pipe-flow { width: 3px; height: 34px; justify-self: center; }
  .pipe-flow i { background: linear-gradient(180deg, transparent, var(--accent) 50%, transparent); transform: translateY(-100%); animation: flowv 2.2s linear infinite; }
  @keyframes flowv { to { transform: translateY(100%); } }
}

.engine-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-bottom: 56px;
}
.estat {
  flex: 1 1 170px;
  background: rgba(255, 179, 92, 0.045);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px 20px;
  text-align: center;
}
.estat-num { display: block; font-family: var(--font-d); font-weight: 800; font-size: 34px; color: var(--accent-2); }
.estat-num sup { font-size: 18px; }
.estat-label { font-size: 12.5px; color: var(--ink-dim); display: block; margin-top: 4px; }

.correlation {
  background: #0c0909;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 12px;
  padding: 26px 30px;
  overflow-x: auto;
}
.corr-label { font-size: 13.5px; color: var(--ink-dim); margin-bottom: 12px; }
.corr-eq { font-family: var(--font-m); font-size: clamp(13px, 1.9vw, 18px); color: var(--accent-2); white-space: nowrap; }
.corr-eq sub, .corr-eq sup { font-size: 0.62em; }

/* ============================================================
   PHYSICS SIM
   ============================================================ */
.sim-shell {
  background: linear-gradient(170deg, var(--panel), #0b0810);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55);
}
.sim-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 22px;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 6, 8, 0.55);
}
.sim-models { display: flex; gap: 8px; flex-wrap: wrap; }
.sim-model {
  font-family: var(--font-d);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-dim);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 16px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: all 0.25s;
}
.sim-model small { font-family: var(--font-b); font-weight: 400; font-size: 10.5px; color: var(--ink-faint); }
.sim-model.active {
  background: rgba(255, 123, 28, 0.15);
  border-color: var(--accent);
  color: var(--ink);
}
.sim-model.active small { color: var(--accent-2); }

.sim-controls { display: flex; align-items: center; gap: 12px; }
.sim-slider { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--ink-dim); }
.sim-slider output { font-family: var(--font-m); font-size: 13px; color: var(--accent-2); min-width: 52px; }
.sim-btn {
  width: 38px; height: 38px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(255, 179, 92, 0.06);
  color: var(--ink);
  font-size: 16px;
  cursor: pointer;
  transition: background 0.2s;
}
.sim-btn:hover { background: rgba(255, 179, 92, 0.15); }

.sim-stage { position: relative; }
#simCanvas { display: block; width: 100%; height: clamp(300px, 44vw, 480px); }
.sim-hud {
  position: absolute;
  top: 14px; left: 18px;
  display: flex;
  gap: 18px;
  font-family: var(--font-m);
  font-size: 13px;
  color: var(--accent-2);
  background: rgba(7, 6, 8, 0.65);
  padding: 7px 14px;
  border-radius: 8px;
  border: 1px solid var(--line);
}
.sim-legend {
  position: absolute;
  bottom: 14px; right: 18px;
  display: flex;
  gap: 16px;
  font-size: 11.5px;
  color: var(--ink-dim);
  background: rgba(7, 6, 8, 0.65);
  padding: 7px 14px;
  border-radius: 8px;
  border: 1px solid var(--line);
}
.sim-legend span { display: flex; align-items: center; gap: 6px; }
.lg { width: 12px; height: 12px; border-radius: 3px; display: inline-block; }
.lg-ice  { background: linear-gradient(135deg, #cfeefc, #5b9fd4); }
.lg-mush { background: linear-gradient(135deg, #9bd6f5, #2a7fa3); }
.lg-liq  { background: linear-gradient(135deg, #ffb35c, #ff7b1c); }
.lg-sol  { background: linear-gradient(135deg, #43d9a3, #1e8e66); }

.sim-caption {
  padding: 16px 22px;
  font-size: 14px;
  color: var(--ink-dim);
  border-top: 1px solid var(--line);
  background: rgba(7, 6, 8, 0.45);
}

.physics-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  margin-top: 56px;
}
.phys-point { padding: 0 6px; }
.phys-num {
  font-family: var(--font-m);
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 0.2em;
}
.phys-point h4 { font-size: 18px; margin: 10px 0; }
.phys-point p { font-size: 14.5px; color: var(--ink-dim); }
@media (max-width: 860px) { .physics-points { grid-template-columns: 1fr; } }

/* ============================================================
   FLUID CARDS
   ============================================================ */
.fluid-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.fluid-card {
  position: relative;
  background: linear-gradient(170deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.fluid-card:hover { transform: translateY(-8px); box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5); }
.fluid-flagship {
  border-color: rgba(255, 123, 28, 0.65);
  background:
    radial-gradient(140% 120% at 100% 0%, rgba(255, 123, 28, 0.14), transparent 55%),
    linear-gradient(170deg, var(--panel-2), var(--panel));
}
.fluid-flag {
  position: absolute;
  top: -12px; left: 24px;
  font-family: var(--font-m);
  font-size: 10px;
  letter-spacing: 0.26em;
  background: linear-gradient(110deg, var(--ember), var(--accent));
  color: #fff;
  border-radius: 6px;
  padding: 5px 12px;
}
.fluid-card h3 { font-size: 22px; letter-spacing: 0.02em; }
.fluid-tag { font-size: 12.5px; color: var(--accent-2); margin: 6px 0 20px; }
.fluid-specs { list-style: none; }
.fluid-specs li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 9px 0;
  border-bottom: 1px dashed rgba(255, 179, 92, 0.14);
  font-size: 13px;
  color: var(--ink-dim);
}
.fluid-specs strong { font-family: var(--font-d); font-size: 17px; color: var(--accent-2); }
.fluid-flagship .fluid-specs strong { color: #ffd9a8; }
.fluid-note { margin-top: 16px; font-size: 12.8px; color: var(--ink-dim); }
@media (max-width: 1020px) { .fluid-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px)  { .fluid-grid { grid-template-columns: 1fr; } }

/* ============================================================
   CHARTS
   ============================================================ */
.chart-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-bottom: 26px;
}
.chart-card, .pareto-card {
  background: linear-gradient(170deg, var(--panel), var(--bg-2));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}
.chart-card h4, .pareto-card h4 {
  font-size: 15px;
  margin-bottom: 4px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.chart-card h4 span, .pareto-card h4 span {
  font-family: var(--font-b);
  font-weight: 400;
  font-size: 11.5px;
  color: var(--ink-faint);
}
.barchart { width: 100%; height: 280px; display: block; margin-top: 12px; }
@media (max-width: 1020px) { .chart-grid { grid-template-columns: 1fr; } .barchart { height: 240px; } }

.pareto-wrap { position: relative; margin-top: 14px; }
#paretoChart { width: 100%; height: clamp(320px, 42vw, 460px); display: block; }
.pareto-tip {
  position: absolute;
  pointer-events: none;
  background: rgba(7, 6, 8, 0.96);
  border: 1px solid var(--accent-2);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 12.5px;
  color: var(--ink);
  transform: translate(-50%, -115%);
  white-space: nowrap;
  z-index: 5;
}
.pareto-tip strong { color: var(--accent-2); font-family: var(--font-d); }

/* ============================================================
   CALCULATOR
   ============================================================ */
.calc-shell {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 0;
  background: linear-gradient(170deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.55);
}
.calc-inputs {
  padding: 38px 32px;
  border-right: 1px solid var(--line);
  background: rgba(7, 6, 8, 0.5);
  display: flex;
  flex-direction: column;
  gap: 26px;
}
.calc-field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink-dim);
  margin-bottom: 9px;
}
.calc-field output {
  display: block;
  font-family: var(--font-m);
  font-size: 15px;
  color: var(--accent-2);
  margin-top: 6px;
}
input[type="range"] {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 5px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--accent) var(--fill, 50%), rgba(255, 179, 92, 0.16) var(--fill, 50%));
  outline: none;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: #fff;
  border: 4px solid var(--accent);
  box-shadow: 0 2px 12px rgba(255, 123, 28, 0.6);
  cursor: grab;
}
input[type="range"]::-moz-range-thumb {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: #fff;
  border: 4px solid var(--accent);
  cursor: grab;
}
.calc-select select {
  width: 100%;
  background: var(--bg-2);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  font-family: var(--font-b);
  font-size: 13.5px;
  cursor: pointer;
}

.calc-results { padding: 38px 40px; display: flex; flex-direction: column; gap: 28px; }
.calc-hero-num { display: flex; flex-direction: column; }
.calc-hero-label {
  font-family: var(--font-m);
  font-size: 12px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.calc-hero-value {
  font-family: var(--font-d);
  font-weight: 800;
  font-size: clamp(44px, 6vw, 78px);
  background: linear-gradient(110deg, var(--green), #b9f3da);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.05;
}
.calc-hero-pct { font-size: 16px; color: var(--green); font-weight: 600; margin-top: 4px; }

.calc-bars { display: flex; flex-direction: column; gap: 12px; }
.calc-bar-row { display: grid; grid-template-columns: 84px 1fr 110px; align-items: center; gap: 14px; }
.cb-label { font-size: 12.5px; color: var(--ink-dim); font-weight: 600; }
.cb-track { height: 18px; border-radius: 9px; background: rgba(255, 179, 92, 0.07); overflow: hidden; }
.cb-fill { height: 100%; border-radius: 9px; width: 0; transition: width 0.7s cubic-bezier(0.2, 0.8, 0.2, 1); }
.cb-base { background: linear-gradient(90deg, #8e3a36, var(--red)); }
.cb-opt  { background: linear-gradient(90deg, var(--ember), var(--accent-2)); }
.cb-value { font-family: var(--font-m); font-size: 13.5px; color: var(--ink); text-align: right; }

.calc-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.calc-table td { padding: 9px 0; border-bottom: 1px dashed rgba(255, 179, 92, 0.14); color: var(--ink-dim); }
.calc-table td:last-child { text-align: right; font-family: var(--font-m); color: var(--ink); }

.calc-objectives { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.cobj {
  background: rgba(67, 217, 163, 0.06);
  border: 1px solid rgba(67, 217, 163, 0.22);
  border-radius: 12px;
  padding: 16px;
  text-align: center;
}
.cobj-num { display: block; font-family: var(--font-d); font-weight: 800; font-size: 26px; color: var(--green); }
.cobj-label { font-size: 11px; color: var(--ink-dim); line-height: 1.45; display: block; margin-top: 5px; }

@media (max-width: 980px) {
  .calc-shell { grid-template-columns: 1fr; }
  .calc-inputs { border-right: none; border-bottom: 1px solid var(--line); }
  .calc-objectives { grid-template-columns: 1fr; }
}

/* ============================================================
   PILOT CTA
   ============================================================ */
.pilot-card {
  display: grid;
  grid-template-columns: 1.7fr 1fr;
  gap: 40px;
  background:
    radial-gradient(120% 160% at 0% 0%, rgba(255, 123, 28, 0.13), transparent 50%),
    radial-gradient(120% 160% at 100% 100%, rgba(255, 77, 0, 0.08), transparent 50%),
    linear-gradient(170deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: clamp(34px, 5vw, 64px);
}
.pilot-text h2 { margin: 14px 0 18px; }
.pilot-text p { color: var(--ink-dim); max-width: 560px; margin-bottom: 30px; }
.pilot-text em { color: var(--accent-2); }
.pilot-meta {
  align-self: center;
  border-left: 1px solid var(--line);
  padding-left: 38px;
  font-size: 15px;
  color: var(--ink-dim);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.pilot-meta strong { color: var(--ink); font-size: 17px; }
@media (max-width: 860px) {
  .pilot-card { grid-template-columns: 1fr; }
  .pilot-meta { border-left: none; border-top: 1px solid var(--line); padding: 26px 0 0; }
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-shell {
  display: grid;
  grid-template-columns: 1fr 1.7fr;
  gap: 0;
  background: linear-gradient(170deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.55);
}
.contact-info {
  padding: 42px 36px;
  background:
    radial-gradient(140% 120% at 0% 100%, rgba(255, 123, 28, 0.1), transparent 55%),
    rgba(7, 6, 8, 0.5);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-info h3 { font-size: 22px; }
.contact-info p { color: var(--ink-dim); font-size: 14.5px; }
.contact-email {
  font-family: var(--font-m);
  font-size: 15px;
  color: var(--accent-2);
  border: 1px solid rgba(255, 179, 92, 0.3);
  border-radius: 10px;
  padding: 11px 16px;
  align-self: flex-start;
  transition: background 0.2s;
}
.contact-email:hover { background: rgba(255, 179, 92, 0.1); }
.contact-points { list-style: none; margin-top: 10px; display: flex; flex-direction: column; gap: 12px; }
.contact-points li {
  font-size: 13.5px;
  color: var(--ink-dim);
  padding-left: 22px;
  position: relative;
}
.contact-points li::before {
  content: "";
  position: absolute;
  left: 0; top: 7px;
  width: 8px; height: 8px;
  border-radius: 2px;
  background: linear-gradient(135deg, var(--accent), var(--ember));
}

.contact-form { padding: 42px 40px; display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-field { display: flex; flex-direction: column; gap: 8px; }
.form-field label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink-dim);
}
.form-field input,
.form-field select,
.form-field textarea {
  background: var(--bg-2);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 13px 15px;
  font-family: var(--font-b);
  font-size: 14.5px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  resize: vertical;
}
.form-field input::placeholder, .form-field textarea::placeholder { color: var(--ink-faint); }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255, 123, 28, 0.18);
}
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form-foot { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.form-status { font-size: 13.5px; color: var(--ink-dim); }
.form-status.ok { color: var(--green); }
.form-status.err { color: var(--red); }

@media (max-width: 900px) {
  .contact-shell { grid-template-columns: 1fr; }
  .contact-info { border-right: none; border-bottom: 1px solid var(--line); }
  .form-row { grid-template-columns: 1fr; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer { border-top: 1px solid var(--line); padding: 34px 0 44px; }
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  font-size: 12px;
  color: var(--ink-faint);
}
.footer-inner span:last-child { max-width: 640px; text-align: right; }
@media (max-width: 760px) {
  .footer-inner { flex-direction: column; }
  .footer-inner span:last-child { text-align: left; }
}

/* ============================================================
   REVEAL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.d1 { transition-delay: 0.12s; }
.d2 { transition-delay: 0.24s; }
.d3 { transition-delay: 0.36s; }
.d4 { transition-delay: 0.48s; }
.d5 { transition-delay: 0.6s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .pipe-flow i, .pipe-loop, .scroll-cue span { animation: none; }
  html { scroll-behavior: auto; }
}

/* ============================================================
   VISCOSITY SERVICES PAGE  (added page — Pareto-themed)
   ============================================================ */
.v-hero { position: relative; padding: 150px 0 84px; overflow: hidden;
  background:
    radial-gradient(900px 520px at 82% -10%, rgba(155,214,245,.10), transparent 60%),
    radial-gradient(820px 520px at -5% 115%, rgba(255,123,28,.09), transparent 60%); }
.v-hero h1 { font-size: clamp(34px, 6vw, 66px); }
.v-hero h1 .ice { color: var(--ice); }
.v-hero-ctas { display: flex; gap: 15px; flex-wrap: wrap; margin-top: 32px; }
.v-hero-stats { display: flex; gap: 46px; flex-wrap: wrap; margin-top: 56px; }
.v-hs-num { font-family: var(--font-d); font-size: 30px; font-weight: 700; }
.v-hs-num .ice { color: var(--ice); }
.v-hs-label { color: var(--ink-faint); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; margin-top: 4px; }

.v-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line);
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.v-stat { background: var(--panel); padding: 26px 24px; }
.v-stat-l { font-family: var(--font-m); font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-faint); }
.v-stat-v { font-family: var(--font-d); font-size: 22px; font-weight: 700; margin: 9px 0 4px; color: var(--ice); }
.v-stat-n { font-size: 13px; color: var(--ink-dim); }

.v-split { display: grid; grid-template-columns: 1fr 1.05fr; gap: 54px; align-items: center; }
.v-shot { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--panel); }
.v-shot img { width: 100%; display: block; }
.v-specs { width: 100%; border-collapse: collapse; margin-top: 6px; }
.v-specs th, .v-specs td { text-align: left; padding: 13px 2px; border-bottom: 1px solid var(--line); font-size: 15px; vertical-align: top; }
.v-specs th { color: var(--ink-faint); font-family: var(--font-m); font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; width: 42%; font-weight: 500; }
.v-specs td { color: var(--ink); }

.v-figure { margin: 0; background: #f4f6fb; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.v-figure img { width: 100%; display: block; }
.v-figure figcaption { text-align: center; color: #8A90AD; font-size: 12.5px; margin-top: 12px; font-family: var(--font-m); letter-spacing: .04em; }

.v-steps { counter-reset: vs; list-style: none; max-width: 780px; }
.v-steps li { position: relative; padding: 0 0 26px 62px; counter-increment: vs; }
.v-steps li::before { content: counter(vs, decimal-leading-zero); position: absolute; left: 0; top: -2px; width: 42px; height: 42px;
  border-radius: 12px; background: linear-gradient(110deg, var(--ember), var(--accent)); color: #fff; font-family: var(--font-d); font-weight: 700; font-size: 14px; display: grid; place-items: center; }
.v-steps li::after { content: ""; position: absolute; left: 20px; top: 44px; bottom: 2px; width: 2px; background: linear-gradient(var(--accent), transparent); opacity: .35; }
.v-steps li:last-child::after { display: none; }
.v-steps h4 { font-family: var(--font-d); font-size: 17px; margin-bottom: 4px; color: var(--ink); }
.v-steps p { color: var(--ink-dim); font-size: 15px; margin: 0; }

.v-comps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.v-comp { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: transform .3s ease; }
.v-comp:hover { transform: translateY(-4px); }
.v-comp-img { aspect-ratio: 4/3; overflow: hidden; background: #15121a; }
.v-comp-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.v-comp:hover .v-comp-img img { transform: scale(1.05); }
.v-comp-b { padding: 22px; }
.v-comp-k { font-family: var(--font-m); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }
.v-comp h4 { font-family: var(--font-d); margin: 7px 0 6px; font-size: 18px; }
.v-comp p { color: var(--ink-dim); font-size: 14px; margin: 0; }

.v-chart-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; }
.v-chart { width: 100%; height: auto; display: block; }
.v-legend { display: flex; gap: 22px; flex-wrap: wrap; margin-top: 14px; }
.v-legend span { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--ink-dim); }
.v-legend i { width: 14px; height: 3px; border-radius: 2px; }

.v-video { position: relative; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: #000; aspect-ratio: 16/9; }
.v-video video { width: 100%; height: 100%; display: block; object-fit: cover; }
.v-video-head { max-width: 720px; margin-bottom: 26px; }

@media (max-width: 900px) {
  .v-stats { grid-template-columns: repeat(2, 1fr); }
  .v-split { grid-template-columns: 1fr; gap: 32px; }
  .v-comps { grid-template-columns: 1fr; }
  .v-hero-stats { gap: 30px; }
}