/* Flowbase — cool shop-floor industrial */

:root {
  --floor: #f0f2f4;
  --panel: #ffffff;
  --ink: #14181e;
  --ink-soft: #3d4654;
  --aluminum: #8b949e;
  --rule: #d4d9df;
  --anodize: #1a6b6b;
  --anodize-deep: #0f4a4a;
  --chip: #c47a2c;
  --hero-text: #f5f7f8;

  --font-display: "Chakra Petch", system-ui, sans-serif;
  --font-body: "IBM Plex Sans", system-ui, sans-serif;

  --space: clamp(1.25rem, 3vw, 2.5rem);
  --measure: 38rem;
  --wide: 68rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero-content,
  .hero-media {
    animation: none !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--ink);
  background: var(--floor);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--anodize-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--anodize);
}

a:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--anodize);
  outline-offset: 3px;
}

/* —— Header —— */

.site-header {
  position: absolute;
  z-index: 10;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem var(--space);
  max-width: 90rem;
  margin-inline: auto;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  color: var(--hero-text);
  text-decoration: none;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.35rem;
}

.nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: color-mix(in srgb, var(--hero-text) 88%, transparent);
  text-decoration: none;
}

.nav a:hover {
  color: var(--hero-text);
}

.nav-cta {
  padding: 0.45rem 0.85rem;
  border: 1px solid color-mix(in srgb, var(--hero-text) 45%, transparent);
  color: var(--hero-text) !important;
}

.nav-cta:hover {
  background: color-mix(in srgb, var(--hero-text) 12%, transparent);
}

/* —— Hero —— */

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--hero-text);
}

.hero-media {
  position: absolute;
  inset: 0;
  background:
    url("https://images.unsplash.com/photo-1504917595217-d4dc5ebe6122?auto=format&fit=crop&w=2400&q=80")
      center 40% / cover no-repeat;
  transform: scale(1.04);
  animation: hero-drift 28s ease-in-out infinite alternate;
}

.hero-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      105deg,
      rgba(12, 16, 22, 0.82) 0%,
      rgba(12, 16, 22, 0.55) 48%,
      rgba(12, 16, 22, 0.35) 100%
    ),
    linear-gradient(to top, rgba(12, 16, 22, 0.75) 0%, transparent 42%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: clamp(5.5rem, 12vh, 8rem) var(--space) clamp(3rem, 8vh, 5rem);
  max-width: 42rem;
  animation: hero-rise 0.9s ease-out both;
}

.brand {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3.2rem, 11vw, 6.5rem);
  line-height: 0.92;
  letter-spacing: -0.02em;
}

.hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.55rem, 3.4vw, 2.15rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  max-width: 18ch;
}

.lede {
  margin: 0 0 1.75rem;
  font-size: 1.0625rem;
  line-height: 1.55;
  color: color-mix(in srgb, var(--hero-text) 86%, transparent);
  max-width: 34ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.15rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn-primary {
  background: var(--anodize);
  color: #fff;
  border-color: var(--anodize);
}

.btn-primary:hover {
  background: var(--anodize-deep);
  border-color: var(--anodize-deep);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--hero-text);
  border-color: color-mix(in srgb, var(--hero-text) 40%, transparent);
}

.btn-ghost:hover {
  background: color-mix(in srgb, var(--hero-text) 10%, transparent);
  color: var(--hero-text);
}

@keyframes hero-rise {
  from {
    opacity: 0;
    transform: translateY(1.1rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes hero-drift {
  from {
    transform: scale(1.04) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.08) translate3d(-1.2%, -0.6%, 0);
  }
}

/* —— Services —— */

.services {
  padding: clamp(3.5rem, 8vw, 6rem) var(--space);
  max-width: var(--wide);
  margin-inline: auto;
}

.section-intro {
  max-width: var(--measure);
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.section-intro h2,
.process h2,
.quote h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  letter-spacing: -0.015em;
  line-height: 1.15;
}

.section-intro p {
  margin: 0;
  color: var(--ink-soft);
}

.service-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.service-list li {
  display: grid;
  grid-template-columns: minmax(8rem, 14rem) 1fr;
  gap: 1rem 2rem;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--rule);
}

.service-list h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
}

.service-list p {
  margin: 0;
  max-width: 36rem;
  color: var(--ink-soft);
}

/* —— Process —— */

.process {
  background: var(--ink);
  color: var(--hero-text);
  padding: clamp(3.5rem, 8vw, 5.5rem) var(--space);
}

.process-inner {
  max-width: var(--wide);
  margin-inline: auto;
}

.process h2 {
  color: var(--hero-text);
  margin-bottom: clamp(2rem, 4vw, 2.75rem);
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.75rem;
}

.steps li {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 1rem;
  align-items: start;
}

.step-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  line-height: 1.2;
  color: var(--chip);
}

.steps h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
}

.steps p {
  margin: 0;
  max-width: 32rem;
  color: color-mix(in srgb, var(--hero-text) 72%, transparent);
  font-size: 0.98rem;
}

/* —— Materials —— */

.materials {
  padding: 1.75rem var(--space);
  border-bottom: 1px solid var(--rule);
  background: var(--panel);
}

.materials-label {
  margin: 0 0 0.4rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--aluminum);
}

.materials-list {
  margin: 0;
  max-width: var(--wide);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  letter-spacing: 0.01em;
  color: var(--ink-soft);
  line-height: 1.45;
}

/* —— Quote —— */

.quote {
  padding: clamp(3.5rem, 8vw, 5.5rem) var(--space);
}

.quote-panel {
  max-width: 34rem;
}

.quote p {
  margin: 0 0 1.5rem;
  color: var(--ink-soft);
}

.quote .btn-primary {
  color: #fff;
}

/* —— Footer —— */

.site-footer {
  padding: 2rem var(--space) 2.5rem;
  border-top: 1px solid var(--rule);
  max-width: var(--wide);
  margin-inline: auto;
}

.footer-brand {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
}

.footer-meta,
.footer-contact {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.footer-contact {
  margin-top: 0.5rem;
}

.footer-contact a {
  color: var(--ink-soft);
  text-decoration: none;
}

.footer-contact a:hover {
  color: var(--anodize);
}

/* —— Responsive —— */

@media (max-width: 720px) {
  .nav a:not(.nav-cta) {
    display: none;
  }

  .service-list li {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }

  .hero-content {
    max-width: none;
  }

  .lede {
    max-width: 40ch;
  }
}

@media (min-width: 900px) {
  .steps {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
  }

  .steps li {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }
}