/* Inter webfonts (self-hosted, Latin subset) */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: optional;
  src: url('/fonts/inter-regular-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: optional;
  src: url('/fonts/inter-medium-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: optional;
  src: url('/fonts/inter-semibold-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --midnight: #0C2428;
  --deep-teal: #1F5855;
  --aloft-teal: #276F6A;
  --signal-mint: #7CCBC0;
  --aloft-mist: #E1F4F4;
  --cloud-white: #F7F9F8;
  --danger: #6b1515;
  --danger-bg: #f3e8e8;
  --danger-rule: #d4b4b4;

  --font: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --text-display: clamp(2.5rem, 1.35rem + 3.6vw, 4.5rem);
  --text-h1: clamp(2rem, 1.25rem + 2vw, 2.75rem);
  --text-h2: clamp(1.5rem, 1.25rem + 0.8vw, 1.875rem);
  --text-body: 1.125rem;
  --text-label: 0.8125rem;
  --track-display: -0.03em;
  --track-h1: -0.02em;
  --track-label: 0.06em;
  --leading-display: 1.12;
  --leading-h1: 1.18;
  --leading-h2: 1.28;
  --leading-body: 1.65;

  --container: 86rem;
  --gutter: clamp(1.25rem, 4vw, 3.25rem);
  --measure: 65ch;
  --radius: 8px;
  --control-min: 44px;
  --ease: 220ms ease;
  --shadow-teal: 0 12px 28px color-mix(in srgb, var(--aloft-teal) 32%, transparent);
  --shadow-teal-hover: 0 16px 36px color-mix(in srgb, var(--aloft-teal) 42%, transparent);
  --muted: color-mix(in srgb, var(--midnight) 74%, var(--cloud-white));
  --muted-dark: color-mix(in srgb, var(--aloft-mist) 78%, var(--midnight));
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  color-scheme: light;
}

html, body { background: var(--cloud-white); }

body {
  margin: 0;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  color: var(--midnight);
  font-family: var(--font);
  font-size: var(--text-body);
  line-height: var(--leading-body);
}

main {
  flex: 1 0 auto;
  display: flex;
  flex-direction: column;
}
main > .band:last-of-type,
main > .intro:last-of-type {
  flex: 1 0 auto;
}

.container {
  width: min(100% - var(--gutter) * 2, var(--container));
  margin-inline: auto;
}

.grain {
  position: fixed;
  inset: 0;
  z-index: 999;
  pointer-events: none;
  opacity: 0.045;
  mix-blend-mode: overlay;
  background-image: url("/fonts/grain.png");
  background-repeat: repeat;
  background-size: 128px 128px;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0.75rem;
  z-index: 1001;
  padding: 0.5rem 0.85rem;
  background: var(--aloft-teal);
  color: var(--cloud-white);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
}
.skip:focus { left: var(--gutter); }
.skip:link, .skip:visited, .skip:hover, .skip:focus { color: var(--cloud-white); }

/* --- Header (lockup-paper white chrome, all pages, in-flow) --- */
.site-header {
  width: 100%;
  background: #fdfdfd; /* lockup.png paper rgb(253,253,253) */
  color: var(--midnight);
}

.header-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem 2rem;
  padding: 1rem 0 1.05rem;
}

.header-link {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  min-width: 0;
  padding: 0.25rem 0.5rem 0.25rem 0;
  text-decoration: none;
}

/* lockup.png is 530×456 RGB; size by width, height auto (aspect 530/456). */
.mark {
  display: block;
  width: 72px;
  height: auto;
  aspect-ratio: 530 / 456;
}

.site-header nav[aria-label="Primary"] {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 1.5rem;
  margin: 0;
  min-width: 0;
  font-size: 0.9375rem;
  font-weight: 600;
}

.site-header nav[aria-label="Primary"] a {
  color: var(--midnight);
  text-decoration: none;
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}
.site-header nav[aria-label="Primary"] a:hover {
  color: var(--deep-teal);
  text-decoration: none;
}
.site-header nav[aria-label="Primary"] a[aria-current="page"] {
  color: var(--midnight);
  border-bottom-color: var(--signal-mint);
}
.site-header nav[aria-label="Primary"] a[aria-current="page"]:hover {
  color: var(--deep-teal);
}

/* --- Type --- */
h1 {
  margin: 0 0 1rem;
  font-size: var(--text-h1);
  font-weight: 600;
  letter-spacing: var(--track-h1);
  line-height: var(--leading-h1);
  text-wrap: balance;
}
.hero h1 {
  font-size: var(--text-display);
  letter-spacing: var(--track-display);
  line-height: var(--leading-display);
  max-width: 14ch;
  color: var(--cloud-white);
}
.intro h1 {
  font-size: clamp(2.15rem, 1.3rem + 2.4vw, 3.35rem);
  letter-spacing: var(--track-display);
  line-height: var(--leading-display);
  max-width: 18ch;
  color: var(--cloud-white);
}

h2 {
  margin: 0 0 1rem;
  color: var(--midnight);
  font-size: var(--text-h2);
  font-weight: 600;
  letter-spacing: 0;
  line-height: var(--leading-h2);
  text-wrap: balance;
}
h2::after {
  content: "";
  display: block;
  width: 3.25rem;
  height: 2px;
  margin-top: 0.85rem;
  background: var(--aloft-teal);
  transform: rotate(-16deg);
  transform-origin: left center;
}
.band-midnight h2,
.intro h2 {
  color: var(--cloud-white);
}
.band-midnight h2::after,
.intro h2::after {
  background: var(--signal-mint);
}

.lead {
  margin: 0 0 1.75rem;
  max-width: 38ch;
  color: var(--muted);
  font-size: 1.125rem;
  line-height: 1.6;
}
.hero .lead,
.intro .lead {
  color: var(--aloft-mist);
  font-size: clamp(1.125rem, 1rem + 0.4vw, 1.3125rem);
  max-width: 36ch;
}

.sub {
  margin: 0.9rem 0 0;
  color: var(--muted);
  font-size: 1rem;
}
.hero .sub,
.intro .sub {
  color: var(--muted-dark);
}

.prose {
  max-width: var(--measure);
  margin: 0 0 1.35rem;
}
.prose:last-child { margin-bottom: 0; }

p { margin: 0 0 1.25rem; }
p:last-child { margin-bottom: 0; }

.helper {
  margin: 0;
  max-width: 14ch;
  color: var(--midnight);
  font-size: clamp(1.45rem, 1.1rem + 1.3vw, 2rem);
  font-weight: 600;
  letter-spacing: var(--track-h1);
  line-height: 1.25;
  text-wrap: balance;
}

a { color: var(--aloft-teal); }
a:hover { color: var(--deep-teal); text-decoration: none; }

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--aloft-teal);
  outline-offset: 3px;
}
.hero a:focus-visible,
.intro a:focus-visible,
.band-midnight a:focus-visible,
.site-footer a:focus-visible {
  outline-color: var(--signal-mint);
}

::selection {
  background: var(--aloft-mist);
  color: var(--midnight);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--control-min);
  min-width: var(--control-min);
  padding: 0.8rem 1.5rem;
  background: var(--aloft-teal);
  color: var(--cloud-white);
  font: inherit;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  border: 0;
  border-radius: var(--radius);
  cursor: pointer;
  box-shadow: var(--shadow-teal);
  transition: transform var(--ease), background-color var(--ease), box-shadow var(--ease);
}
a.btn:link, a.btn:visited { color: var(--cloud-white); }
a.btn:hover, button.btn:hover {
  background: var(--deep-teal);
  color: var(--cloud-white);
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: var(--shadow-teal-hover);
}
a.btn:active, button.btn:active {
  transform: translateY(0) scale(0.98);
  box-shadow: 0 6px 16px color-mix(in srgb, var(--aloft-teal) 28%, transparent);
}

.hero-actions { margin: 0; }

/* --- Hero (home) --- */
.hero {
  position: relative;
  isolation: isolate;
  min-height: calc(100dvh - 6.75rem);
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: clamp(3.25rem, 7vw, 5.75rem) 0 5.5rem;
  color: var(--cloud-white);
  background-color: var(--midnight);
  background-image:
    radial-gradient(ellipse 75% 60% at 88% 12%, color-mix(in srgb, var(--aloft-mist) 16%, transparent), transparent 58%),
    radial-gradient(ellipse 50% 45% at 6% 92%, color-mix(in srgb, var(--aloft-teal) 28%, transparent), transparent 68%),
    radial-gradient(ellipse 40% 30% at 48% 48%, color-mix(in srgb, var(--deep-teal) 40%, transparent), transparent 70%);
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 38rem;
}

.flight {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.flight-bar {
  position: absolute;
  right: -6%;
  height: 2px;
  border-radius: 1px;
  transform: rotate(-16deg);
  transform-origin: right center;
  background: linear-gradient(90deg, transparent, var(--signal-mint));
}
.flight-bar:nth-child(1) {
  top: 26%;
  width: min(58vw, 42rem);
  opacity: 0.28;
}
.flight-bar:nth-child(2) {
  top: 36%;
  width: min(46vw, 32rem);
  opacity: 0.42;
  background: linear-gradient(90deg, transparent, var(--aloft-teal));
}
.flight-bar:nth-child(3) {
  top: 46%;
  width: min(34vw, 22rem);
  opacity: 0.22;
}

/* --- Inner-page dark intro --- */
.intro {
  position: relative;
  overflow: hidden;
  padding: clamp(3rem, 5vw, 4.75rem) 0 clamp(3.5rem, 6vw, 5.5rem);
  color: var(--cloud-white);
  background-color: var(--midnight);
  background-image:
    radial-gradient(ellipse 60% 80% at 92% 0%, color-mix(in srgb, var(--aloft-mist) 12%, transparent), transparent 55%),
    radial-gradient(ellipse 40% 50% at 0% 100%, color-mix(in srgb, var(--aloft-teal) 20%, transparent), transparent 60%);
}
.intro::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: min(46vw, 34rem);
  pointer-events: none;
  background: repeating-linear-gradient(
    -16deg,
    transparent 0 28px,
    color-mix(in srgb, var(--signal-mint) 18%, transparent) 28px 29px
  );
  mask-image: linear-gradient(90deg, transparent, #000 55%);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 55%);
  opacity: 0.7;
}
.intro .container { position: relative; z-index: 1; }

/* --- Bands / sections --- */
.band {
  padding-block: clamp(4.25rem, 7vw, 7.5rem);
  background: var(--cloud-white);
}
.band-mist { background: var(--aloft-mist); }
.band-midnight {
  position: relative;
  overflow: hidden;
  color: var(--cloud-white);
  background-color: var(--midnight);
  background-image:
    radial-gradient(ellipse 50% 80% at 100% 50%, color-mix(in srgb, var(--aloft-teal) 22%, transparent), transparent 60%);
}
.band-midnight .prose { color: var(--aloft-mist); }
.band-midnight a { color: var(--signal-mint); }
.band-midnight a:hover { color: var(--cloud-white); }

.stack {
  display: flex;
  flex-direction: column;
  gap: clamp(2.75rem, 5vw, 4.5rem);
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  margin: 1.35rem 0 0;
  font-weight: 600;
}
.links a { text-decoration: none; }
.band-midnight .links a { color: var(--cloud-white); }
.band-midnight .links a:hover { color: var(--signal-mint); }

#start { scroll-margin-top: 1.5rem; }

/* --- Leak zig-zag --- */
.leak-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 2.75rem;
}
.leak-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 2rem 2rem 2.15rem;
  background: var(--cloud-white);
  color: var(--midnight);
  text-decoration: none;
  border: 1px solid color-mix(in srgb, var(--aloft-teal) 14%, var(--cloud-white));
  border-radius: var(--radius);
  box-shadow: 0 10px 28px color-mix(in srgb, var(--aloft-teal) 8%, transparent);
  transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
}
.leak-card:hover {
  color: var(--midnight);
  text-decoration: none;
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--aloft-teal) 45%, var(--aloft-mist));
  box-shadow: var(--shadow-teal);
}
.leak-index {
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--aloft-teal);
}
.leak-name {
  font-size: clamp(1.65rem, 1.3rem + 1vw, 2.15rem);
  font-weight: 600;
  letter-spacing: var(--track-h1);
  line-height: 1.2;
}
.leak-card::after {
  content: "";
  display: block;
  width: 3.5rem;
  height: 2px;
  margin-top: 0.5rem;
  background: var(--aloft-teal);
  transform: rotate(-16deg);
  transform-origin: left center;
  transition: transform var(--ease);
}
.leak-card:hover::after {
  transform: rotate(-16deg) scaleX(1.35);
}

/* --- Process steps --- */
.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.25rem;
}
.step {
  padding: 0.25rem 0 0.5rem;
}
.step-index {
  margin: 0 0 0.65rem;
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--aloft-teal);
}
.step h2 { margin-bottom: 0.7rem; }

.split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

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

/* --- Forms --- */
.form-panel {
  max-width: 42rem;
  padding: 1.75rem 1.5rem;
  background: var(--cloud-white);
  border: 1px solid color-mix(in srgb, var(--aloft-teal) 16%, var(--aloft-mist));
  border-radius: 10px;
  box-shadow: 0 18px 40px color-mix(in srgb, var(--aloft-teal) 10%, transparent);
}
.band-mist .form-panel {
  border-color: color-mix(in srgb, var(--aloft-teal) 12%, var(--cloud-white));
}

form { margin: 0; position: relative; }

.lead-form {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.15rem 1.35rem;
}

.field { margin: 0; }

.field-span { grid-column: 1 / -1; }

label {
  display: block;
  margin: 0 0 0.4rem;
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea {
  display: block;
  width: 100%;
  min-height: var(--control-min);
  padding: 0.7rem 0.85rem;
  border: 1px solid color-mix(in srgb, var(--aloft-teal) 22%, var(--aloft-mist));
  background: var(--cloud-white);
  color: var(--midnight);
  font: inherit;
  border-radius: var(--radius);
  transition: border-color var(--ease), box-shadow var(--ease);
}
textarea { min-height: 8rem; resize: vertical; }
input[type="text"]:hover,
input[type="email"]:hover,
input[type="tel"]:hover,
textarea:hover {
  border-color: var(--aloft-teal);
}
input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
textarea:focus {
  border-color: var(--aloft-teal);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--aloft-teal) 20%, transparent);
}

.hp {
  position: absolute;
  left: -9999px;
}

.form-err {
  display: none;
  margin: 0 0 1.25rem;
  padding: 0.75rem 1rem;
  color: var(--danger);
  background: var(--danger-bg);
  border: 1px solid var(--danger-rule);
  border-radius: var(--radius);
}
.form-err.is-visible,
.form-err:target { display: block; }
p.form-err { margin: 0 0 1.25rem; }

.form-actions { margin-top: 0.25rem; }
.form-actions .btn { min-width: 12.5rem; }

button.btn[type="submit"] { width: auto; }

/* --- Footer --- */
.site-footer {
  margin-top: 0;
  padding: 3.25rem 0 2.75rem;
  background: var(--midnight);
  color: var(--muted-dark);
  font-size: 0.875rem;
  line-height: 1.55;
}
.site-footer nav[aria-label="Footer"] {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 1.6rem;
  margin: 0 0 1.75rem;
  font-size: 0.9375rem;
  font-weight: 600;
}
.site-footer a { color: var(--cloud-white); text-decoration: none; }
.site-footer a:hover { color: var(--signal-mint); }
.site-footer nav a[aria-current="page"] { color: var(--signal-mint); }
.site-footer p { max-width: 62ch; }

/* --- Breakpoints --- */
@media (min-width: 40rem) {
  .lead-form { grid-template-columns: 1fr 1fr; }
  .form-panel { padding: 2.15rem 2.15rem 2.25rem; }
}

@media (min-width: 48rem) {
  .form-panel { padding: 2.5rem 2.6rem 2.6rem; }
}

@media (min-width: 64rem) {
  .header-bar {
    flex-wrap: nowrap;
    align-items: center;
    padding: 1.35rem 1rem 1.45rem;
  }

  .mark {
    width: 152px;
    height: auto;
  }

  .site-header nav[aria-label="Primary"] {
    flex-wrap: nowrap;
    flex: 0 0 auto;
  }

  .hero {
    min-height: calc(100dvh - 11.5rem);
  }

  .leak-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem 2.75rem;
    align-items: start;
  }
  .leak-card:nth-child(2) { margin-top: 4.5rem; }
  .leak-card { padding: 2.35rem 2.4rem 2.5rem; }

  .steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem 2.5rem;
  }
  .step:nth-child(2) { margin-top: 2.75rem; }
  .step:nth-child(3) { margin-top: 5.5rem; }

  .split {
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem 4rem;
    align-items: start;
  }
  .split > :nth-child(even) { margin-top: 3.25rem; }

  .start-grid {
    grid-template-columns: minmax(14rem, 0.72fr) minmax(24rem, 1.15fr);
    gap: 4.5rem;
  }
  .start-copy { padding-top: 0.35rem; }
}

@media (max-width: 39.99rem) {
  .form-actions .btn,
  button.btn[type="submit"] { width: 100%; }
  .flight { opacity: 0.55; }
}

@media (prefers-reduced-transparency: reduce) {
  .grain { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn,
  a.btn,
  button.btn,
  .leak-card,
  .leak-card::after,
  input[type="text"],
  input[type="email"],
  input[type="tel"],
  textarea {
    transition: none;
  }
  a.btn:hover, button.btn:hover,
  a.btn:active, button.btn:active,
  .leak-card:hover {
    transform: none;
  }
}