/* ClimTail — Blueprint × Vintage Engineering */

:root {
  --paper: #f2ead8;
  --paper-2: #e8dec6;
  --paper-3: #ddd0b3;
  --ink: #1a1a1a;
  --ink-2: #2d2a24;
  --ink-3: #5a544a;
  --rust: oklch(0.62 0.14 50);
  --rust-deep: oklch(0.5 0.14 45);
  --ocean: oklch(0.55 0.08 230);
  --ocean-deep: oklch(0.42 0.08 235);
  --sage: oklch(0.62 0.06 140);
  --line: rgba(26, 26, 26, 0.85);
  --line-soft: rgba(26, 26, 26, 0.35);
  --line-faint: rgba(26, 26, 26, 0.15);
  --grid: rgba(26, 26, 26, 0.06);

  --font-serif: "DM Serif Display", "Times New Roman", serif;
  --font-sans: "Inter", -apple-system, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

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

html, body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Paper grain */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background-image:
    radial-gradient(circle at 25% 30%, rgba(26,26,26,0.025) 0.5px, transparent 1px),
    radial-gradient(circle at 75% 60%, rgba(26,26,26,0.02) 0.5px, transparent 1px),
    radial-gradient(circle at 50% 80%, rgba(26,26,26,0.015) 0.5px, transparent 1px);
  background-size: 7px 7px, 11px 11px, 13px 13px;
  mix-blend-mode: multiply;
  opacity: 0.7;
}

/* Engineering grid as page bg */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(to right, var(--grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid) 1px, transparent 1px);
  background-size: 32px 32px;
}

#root { position: relative; z-index: 2; }

/* ========== Type ========== */

h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.01em;
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.mono-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ========== Layout primitives ========== */

.container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 40px;
}

.rule {
  height: 1px;
  background: var(--line);
  width: 100%;
}

.rule-dashed {
  height: 1px;
  background-image: linear-gradient(to right, var(--line) 50%, transparent 0);
  background-size: 8px 1px;
  background-repeat: repeat-x;
  width: 100%;
}

/* ========== Top bar ========== */

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-serif);
  font-size: 1.4rem;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border: 1.5px solid var(--ink);
  border-radius: 50%;
  display: grid;
  place-items: center;
  position: relative;
  background: var(--paper);
}

.brand-mark::before {
  content: "";
  position: absolute;
  inset: 4px;
  border: 1px dashed var(--line);
  border-radius: 50%;
}

.brand-mark svg { width: 18px; height: 18px; }

.nav {
  display: flex;
  gap: 28px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.nav a {
  color: var(--ink);
  text-decoration: none;
  position: relative;
  padding: 4px 0;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 1px;
  width: 0;
  background: var(--rust);
  transition: width 0.25s ease;
}

.nav a:hover::after { width: 100%; }

.topbar-meta {
  display: flex;
  gap: 24px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.live-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--rust);
  margin-right: 6px;
  animation: blink 2s infinite;
}

@keyframes blink {
  0%, 60%, 100% { opacity: 1; }
  70%, 90% { opacity: 0.2; }
}

/* ========== Hero ========== */

.hero {
  padding: 56px 0 0;
  position: relative;
  border-bottom: 1px solid var(--line);
}

.hero-head {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 60px;
  align-items: end;
  padding-bottom: 40px;
}

.hero h1 {
  font-size: clamp(40px, 5.4vw, 76px);
  letter-spacing: -0.025em;
  text-wrap: balance;
  line-height: 0.95;
}

.hero h1 .accent {
  color: var(--rust);
  font-style: italic;
}

.hero-sub {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--ink-2);
  max-width: 360px;
}

.hero-meta {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-bottom: 8px;
}

.hero-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  border-bottom: 1px dashed var(--line-soft);
  padding-bottom: 10px;
}

.hero-meta-row:last-child { border-bottom: none; }

.hero-meta-row .k {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.hero-meta-row .v {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink);
}

/* The big assembly drawing */
.hero-pipeline {
  position: relative;
  width: 100%;
  background:
    linear-gradient(to right, var(--line-faint) 1px, transparent 1px) 0 0 / 16px 100%,
    linear-gradient(to bottom, var(--line-faint) 1px, transparent 1px) 0 0 / 100% 16px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.hero-pipeline svg {
  display: block;
  width: 100%;
  height: auto;
}

/* tick markers under hero */
.hero-ticks {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--line);
}

.hero-tick {
  padding: 18px 24px 20px;
  border-right: 1px solid var(--line);
  position: relative;
}

.hero-tick:last-child { border-right: none; }

.hero-tick .num {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  color: var(--ink-3);
}

.hero-tick .lbl {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  margin-top: 4px;
}

.hero-tick .desc {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-3);
  margin-top: 6px;
  letter-spacing: 0.04em;
}

.hero-tick::before {
  content: "";
  position: absolute;
  left: 24px;
  top: 0;
  width: 8px;
  height: 8px;
  background: var(--paper);
  border: 1px solid var(--ink);
  border-radius: 50%;
  transform: translateY(-50%);
}

.hero-tick.active::before {
  background: var(--rust);
  border-color: var(--rust);
}

/* ========== Section frame ========== */

section.stage {
  padding: 100px 0;
  border-bottom: 1px solid var(--line);
  position: relative;
}

.stage-header {
  display: grid;
  grid-template-columns: 120px 1fr 1fr;
  gap: 40px;
  align-items: start;
  margin-bottom: 56px;
}

.stage-num {
  font-family: var(--font-serif);
  font-size: 5rem;
  line-height: 0.8;
  color: var(--ink);
}

.stage-num sub {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--ink-3);
  display: block;
  margin-top: 12px;
  vertical-align: baseline;
}

.stage-title {
  font-family: var(--font-serif);
  font-size: clamp(32px, 4.4vw, 56px);
  line-height: 1;
  letter-spacing: -0.02em;
}

.stage-title em {
  font-style: italic;
  color: var(--rust);
}

.stage-blurb {
  font-size: 1rem;
  color: var(--ink-2);
  line-height: 1.6;
  max-width: 460px;
}

.stage-body {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: start;
}

.stage-body.reverse {
  grid-template-columns: 1fr 1.1fr;
}

.stage-machine {
  border: 1px solid var(--line);
  background:
    repeating-linear-gradient(135deg, transparent 0 12px, rgba(26,26,26,0.025) 12px 13px);
  aspect-ratio: 5 / 4;
  position: relative;
  overflow: hidden;
  align-self: start;
}

.stage-machine svg {
  display: block;
  width: 100%;
  height: 100%;
}

.stage-machine .label {
  position: absolute;
  top: 14px;
  left: 14px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  background: var(--paper);
  padding: 4px 8px;
  border: 1px solid var(--line-soft);
}

.stage-machine .label .dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--rust);
  border-radius: 50%;
  margin-right: 6px;
  vertical-align: 1px;
  animation: blink 2.6s infinite;
}

/* services list */
.services {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.service {
  display: grid;
  grid-template-columns: 36px 1fr auto;
  gap: 20px;
  padding: 22px 0;
  border-top: 1px solid var(--line-soft);
  align-items: start;
}

.service:last-child { border-bottom: 1px solid var(--line-soft); }

.service-mark {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-3);
  padding-top: 4px;
  letter-spacing: 0.08em;
}

.service h4 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  line-height: 1.1;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.service p {
  font-size: 0.92rem;
  color: var(--ink-2);
  line-height: 1.55;
  max-width: 460px;
}

.service-tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  border: 1px solid var(--line-soft);
  padding: 3px 8px;
  white-space: nowrap;
  margin-top: 6px;
  background: var(--paper);
}

/* ========== About ========== */

.about {
  padding: 100px 0;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 90% 10%, rgba(26,26,26,0.04), transparent 40%),
    var(--paper);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}

.about h2 {
  font-size: clamp(40px, 5vw, 68px);
  line-height: 0.95;
  letter-spacing: -0.02em;
}

.about h2 em { font-style: italic; color: var(--rust); }

.about-portrait {
  border: 1px solid var(--line);
  aspect-ratio: 4 / 5;
  background:
    repeating-linear-gradient(45deg, var(--paper-2) 0 6px, var(--paper) 6px 12px);
  position: relative;
  margin-top: 8px;
  overflow: hidden;
}

.about-portrait .portrait-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(1.02);
  display: block;
}

.about-portrait .placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--ink-3);
  text-transform: uppercase;
}

.about-portrait .corner {
  position: absolute;
  width: 18px;
  z-index: 2;
  height: 18px;
  border: 1px solid var(--ink);
}

.about-portrait .corner.tl { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.about-portrait .corner.tr { top: -1px; right: -1px; border-left: none; border-bottom: none; }
.about-portrait .corner.bl { bottom: -1px; left: -1px; border-right: none; border-top: none; }
.about-portrait .corner.br { bottom: -1px; right: -1px; border-left: none; border-top: none; }

.about-text p {
  font-size: 1.08rem;
  line-height: 1.65;
  color: var(--ink-2);
  margin-bottom: 18px;
  max-width: 580px;
}

.about-text p:first-child::first-letter {
  font-family: var(--font-serif);
  font-size: 3.6rem;
  float: left;
  line-height: 0.85;
  padding: 6px 10px 0 0;
  color: var(--rust);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 36px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.about-stat {
  padding: 20px 24px 22px;
  border-right: 1px solid var(--line-soft);
}

.about-stat:last-child { border-right: none; }

.about-stat .n {
  font-family: var(--font-serif);
  font-size: 2.6rem;
  line-height: 1;
}

.about-stat .l {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-top: 6px;
}

/* ========== Case studies ========== */

.cases {
  padding: 100px 0;
  border-bottom: 1px solid var(--line);
}

.cases-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  margin-bottom: 48px;
  gap: 40px;
}

.cases-head h2 {
  font-size: clamp(40px, 5vw, 68px);
  letter-spacing: -0.02em;
}

.cases-head h2 em { font-style: italic; color: var(--rust); }

.cases-head .note {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  max-width: 280px;
  text-align: right;
}

.case-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.case-row {
  display: grid;
  grid-template-columns: 60px 1.4fr 1fr 100px 80px;
  gap: 28px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line-soft);
  align-items: center;
  cursor: pointer;
  transition: background 0.2s;
  position: relative;
}

.case-row:hover {
  background: var(--paper-2);
}

.case-row:hover .case-arrow { transform: translateX(4px); color: var(--rust); }

.case-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-3);
  letter-spacing: 0.08em;
}

.case-title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.case-title .placeholder {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--rust);
  margin-left: 8px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  vertical-align: 4px;
}

.case-desc {
  font-size: 0.9rem;
  color: var(--ink-3);
  line-height: 1.5;
}

.case-tag {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  color: var(--ink-2);
  text-transform: uppercase;
}

.case-arrow {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--ink-3);
  text-align: right;
  transition: transform 0.2s, color 0.2s;
}

/* ========== Contact ========== */

.contact {
  padding: 110px 0 60px;
  position: relative;
  background:
    radial-gradient(circle at 10% 90%, rgba(26,26,26,0.05), transparent 40%),
    var(--paper);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact h2 {
  font-size: clamp(56px, 8vw, 124px);
  line-height: 0.9;
  letter-spacing: -0.025em;
  margin-bottom: 32px;
}

.contact h2 em { font-style: italic; color: var(--rust); }

.contact-blurb {
  font-size: 1.1rem;
  color: var(--ink-2);
  max-width: 480px;
  line-height: 1.6;
  margin-bottom: 36px;
}

.contact-card {
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 32px;
  position: relative;
}

.contact-card::before {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1px dashed var(--line-soft);
  pointer-events: none;
}

.contact-row {
  padding: 14px 0;
  border-bottom: 1px dashed var(--line-soft);
}

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

.contact-row .k {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 4px;
}

.contact-row .v {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  letter-spacing: -0.01em;
}

.contact-row .v a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--rust);
  padding-bottom: 1px;
}

.contact-row .v a:hover { color: var(--rust); }

.contact-cta {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: var(--ink);
  color: var(--paper);
  padding: 18px 28px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--ink);
  transition: background 0.2s, color 0.2s;
}

.contact-cta:hover { background: var(--rust); border-color: var(--rust); }

.contact-cta .arrow {
  display: inline-block;
  transition: transform 0.2s;
}

.contact-cta:hover .arrow { transform: translateX(4px); }

/* ========== Footer ========== */

footer {
  padding: 28px 0 36px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--ink-3);
}

.foot-row {
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

/* ========== Animations ========== */

@keyframes conveyor {
  to { stroke-dashoffset: -64; }
}

@keyframes spin-cw {
  to { transform: rotate(360deg); }
}

@keyframes spin-ccw {
  to { transform: rotate(-360deg); }
}

@keyframes pulse-soft {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

@keyframes float-x {
  to { transform: translateX(var(--dx, 100px)); }
}

@keyframes drip {
  0% { opacity: 0; transform: translateY(0); }
  20% { opacity: 1; }
  80% { opacity: 1; }
  100% { opacity: 0; transform: translateY(40px); }
}

@keyframes wobble {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

/* ========== Responsive ========== */

@media (max-width: 1100px) {
  .hero-head { grid-template-columns: 1fr; gap: 32px; }
  .stage-header { grid-template-columns: 80px 1fr; }
  .stage-header .stage-blurb { grid-column: 2; }
  .stage-body { grid-template-columns: 1fr; gap: 40px; }
  .stage-body.reverse { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .case-row { grid-template-columns: 40px 1fr 80px; }
  .case-row .case-desc, .case-row .case-tag { display: none; }
  .nav { display: none; }
}

@media (max-width: 640px) {
  .container { padding: 0 20px; }
  .hero-ticks { grid-template-columns: repeat(2, 1fr); }
  .hero-tick:nth-child(2) { border-right: none; }
  .hero-tick:nth-child(1), .hero-tick:nth-child(2) { border-bottom: 1px solid var(--line); }

  /* Stack stats — "3,000+" is unwrappable and forces a min-width wider than narrow viewports */
  .about-stats { grid-template-columns: 1fr; }
  .about-stat { border-right: none; border-bottom: 1px solid var(--line-soft); }
  .about-stat:last-child { border-bottom: none; }

  /* Stack the cases head so the right-aligned note doesn't crowd the title */
  .cases-head { flex-direction: column; align-items: flex-start; }
  .cases-head .note { text-align: left; }
}

/* Defensive: never let a stray wide element scroll the whole page horizontally */
html, body { overflow-x: hidden; }