/* Watt & Wavelength — site styles
   Tokens -> base -> layout -> components -> sections -> utilities */

:root {
  --ink: #0e1626;
  --ink-2: #121c30;
  --raise: #172339;
  --line: #243350;
  --line-soft: #1b2740;
  --fog: #e9eef6;
  --fog-2: #c7d0df;
  --slate: #97a4ba;
  --watt: #f2a93b;
  --watt-deep: #c9820f;
  --wave: #5cd8f2;
  --wave-deep: #2aa9c6;
  --ok: #7fd99a;
  --err: #ff8a80;

  --font-display: "Bricolage Grotesque", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Instrument Sans", "Helvetica Neue", Arial, sans-serif;

  --step--1: clamp(0.84rem, 0.8rem + 0.2vw, 0.94rem);
  --step-0: clamp(1rem, 0.96rem + 0.25vw, 1.125rem);
  --step-1: clamp(1.2rem, 1.1rem + 0.5vw, 1.45rem);
  --step-2: clamp(1.5rem, 1.3rem + 1vw, 2.1rem);
  --step-3: clamp(2rem, 1.6rem + 2vw, 3.2rem);
  --step-4: clamp(2.6rem, 1.8rem + 4vw, 5.4rem);

  --measure: 62ch;
  --gutter: clamp(1.25rem, 4vw, 3.5rem);
  --section: clamp(4.5rem, 10vw, 9rem);
  --wrap: 1180px;
  --radius: 6px;
  --focus: 0 0 0 3px var(--ink), 0 0 0 6px var(--wave);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--fog);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--wave);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}
a:hover {
  color: var(--fog);
}

:focus-visible {
  outline: none;
  box-shadow: var(--focus);
  border-radius: 4px;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0;
  text-wrap: balance;
}
h2 {
  font-size: var(--step-3);
}
h3 {
  font-size: var(--step-1);
  font-weight: 600;
  letter-spacing: -0.01em;
}
p {
  margin: 0;
  max-width: var(--measure);
}
p + p {
  margin-top: 1em;
}
ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--watt);
  color: var(--ink);
  padding: 0.6rem 1rem;
  border-radius: var(--radius);
  font-weight: 600;
  z-index: 100;
}
.skip:focus {
  top: 1rem;
}

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

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--ink) 86%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 68px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--fog);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.brand .amp {
  color: var(--watt);
}
.brand svg {
  width: 36px;
  height: 36px;
  flex: none;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1.6rem);
}
.nav a:not(.btn) {
  color: var(--fog-2);
  text-decoration: none;
  font-size: var(--step--1);
  font-weight: 500;
  padding: 0.4rem 0.1rem;
  border-bottom: 2px solid transparent;
}
.nav a:not(.btn):hover {
  color: var(--fog);
  border-bottom-color: var(--wave);
}
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  color: var(--fog);
  border-radius: var(--radius);
  padding: 0.5rem 0.7rem;
  font: inherit;
  cursor: pointer;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.35rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--step-0);
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  line-height: 1.2;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.btn-primary {
  background: var(--watt);
  color: var(--ink);
}
.btn-primary:hover {
  background: #ffbd57;
  color: var(--ink);
}
.btn-ghost {
  background: transparent;
  color: var(--fog);
  border-color: var(--line);
}
.btn-ghost:hover {
  border-color: var(--wave);
  color: var(--fog);
}
.btn-sm {
  padding: 0.55rem 0.95rem;
  font-size: var(--step--1);
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  --wave-h: clamp(90px, 14vw, 180px);
  padding-block: clamp(3.5rem, 8vw, 7rem) calc(var(--wave-h) + 1.5rem);
  overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
}
.hero .wrap {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: end;
}
.hero h1 {
  font-size: var(--step-4);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 0.98;
  max-width: 14ch;
}
.hero .lede {
  margin-top: 1.5rem;
  font-size: var(--step-1);
  color: var(--fog-2);
  max-width: 44ch;
  line-height: 1.45;
}
.hero .cta {
  margin-top: 2.2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}
.hero-facts {
  display: grid;
  gap: 0.9rem;
  color: var(--slate);
  font-size: var(--step--1);
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}
.hero-facts strong {
  display: block;
  color: var(--fog);
  font-weight: 600;
  font-size: var(--step-0);
}

/* The one motion moment: current becomes light. */
.hero-wave {
  position: absolute;
  inset: auto 0 0 0;
  width: 100%;
  height: var(--wave-h);
  pointer-events: none;
  opacity: 0.9;
}
.hero-wave path {
  fill: none;
  stroke: url(#heroGrad);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}
@media (prefers-reduced-motion: no-preference) {
  .hero-wave path.draw {
    stroke-dasharray: 3400;
    stroke-dashoffset: 3400;
    animation: draw 2.4s cubic-bezier(0.3, 0, 0.2, 1) 0.2s forwards;
  }
  @keyframes draw {
    to {
      stroke-dashoffset: 0;
    }
  }
}
.hero-wave .glow {
  stroke-width: 10;
  opacity: 0.18;
  filter: blur(6px);
}

/* ---------- Sections ---------- */

.section {
  padding-block: var(--section);
  border-bottom: 1px solid var(--line-soft);
}
.section-head {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: start;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.section-head p {
  color: var(--fog-2);
  font-size: var(--step-1);
  line-height: 1.45;
  max-width: 52ch;
}
.section-head .kicker {
  color: var(--slate);
  font-size: var(--step--1);
  margin-bottom: 0.8rem;
  font-weight: 500;
}

/* Who we serve: a two-column ledger, no cards */
.serve-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 0 clamp(2rem, 4vw, 4rem);
}
.serve-item {
  padding: 1.6rem 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1.6rem 1fr;
  gap: 0.9rem;
  align-items: start;
}
.serve-item .dot {
  width: 1.1rem;
  height: 1.1rem;
  margin-top: 0.35rem;
  border-radius: 50%;
  background: var(--wave);
  box-shadow: inset 0 0 0 3px var(--ink), 0 0 0 1px var(--wave);
}
.serve-item:nth-child(even) .dot {
  background: var(--watt);
  box-shadow: inset 0 0 0 3px var(--ink), 0 0 0 1px var(--watt);
}
.serve-item h3 {
  margin-bottom: 0.4rem;
}
.serve-item p {
  color: var(--fog-2);
  font-size: var(--step--1);
  line-height: 1.55;
}

/* Services: Track 1 live, Track 2 coming */
.tracks {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(1.5rem, 3vw, 3rem);
  align-items: start;
}
.track {
  padding: clamp(1.5rem, 3vw, 2.5rem);
  border-radius: 10px;
}
.track-live {
  background: var(--raise);
  border: 1px solid var(--line);
}
.track-coming {
  border: 1px dashed var(--line);
  color: var(--fog-2);
}
.track-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.4rem;
}
.track h3 {
  font-size: var(--step-2);
}
.status {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: var(--step--1);
  font-weight: 600;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  white-space: nowrap;
}
.status::before {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: currentColor;
}
.status-live {
  color: var(--ok);
  background: color-mix(in srgb, var(--ok) 12%, transparent);
}
.status-soon {
  color: var(--watt);
  background: color-mix(in srgb, var(--watt) 12%, transparent);
}
.track-intro {
  color: var(--fog-2);
  margin-bottom: 1.4rem;
}
.service-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 0.9rem 1.5rem;
}
.service-list li {
  display: grid;
  grid-template-columns: 1.25rem 1fr;
  gap: 0.6rem;
  font-size: var(--step--1);
  line-height: 1.5;
  color: var(--fog);
}
.service-list li strong {
  display: block;
  font-weight: 600;
}
.service-list li span {
  color: var(--slate);
}
.service-list svg {
  width: 1.1rem;
  height: 1.1rem;
  margin-top: 0.25rem;
  color: var(--wave);
}
.track-coming .service-list li {
  color: var(--fog-2);
}
.track-coming .service-list svg {
  color: var(--watt);
}
.track-coming .service-list li strong {
  color: var(--fog-2);
}
.footnote {
  margin-top: 1.4rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--line);
  color: var(--slate);
  font-size: var(--step--1);
  line-height: 1.5;
}
.excluded {
  margin-top: 1.6rem;
  color: var(--slate);
  font-size: var(--step--1);
  max-width: 70ch;
}

/* How we work: a real sequence, so numbers are earned */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 0;
  counter-reset: step;
  border-top: 1px solid var(--line);
}
.step {
  counter-increment: step;
  padding: 1.6rem 1.5rem 1.6rem 0;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.step::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-2);
  color: var(--watt);
  display: block;
  margin-bottom: 0.6rem;
  letter-spacing: -0.03em;
}
.step:nth-child(n + 3)::before {
  color: var(--wave);
}
.step h3 {
  margin-bottom: 0.5rem;
}
.step p {
  color: var(--fog-2);
  font-size: var(--step--1);
  line-height: 1.55;
}
.crews {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  padding: clamp(1.4rem, 3vw, 2.2rem);
  background: var(--ink-2);
  border-left: 3px solid var(--watt);
  border-radius: 0 10px 10px 0;
}
.crews h3 {
  font-size: var(--step-1);
}
.crews p {
  color: var(--fog-2);
}

/* Why W&W */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: clamp(1.5rem, 3vw, 3rem) clamp(1.5rem, 4vw, 3rem);
}
.why h3 {
  margin-bottom: 0.6rem;
  padding-top: 0.9rem;
  border-top: 2px solid var(--wave);
  display: inline-block;
  min-width: 60%;
}
.why:nth-child(even) h3 {
  border-top-color: var(--watt);
}
.why p {
  color: var(--fog-2);
  font-size: var(--step--1);
  line-height: 1.55;
}

/* Partners */
.partners {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: clamp(1.5rem, 3vw, 2.5rem);
}
.partner {
  padding: clamp(1.5rem, 3vw, 2.2rem);
  background: var(--raise);
  border: 1px solid var(--line);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.partner h3 {
  font-size: var(--step-2);
}
.partner p {
  color: var(--fog-2);
}
.partner ul {
  color: var(--fog-2);
  font-size: var(--step--1);
  display: grid;
  gap: 0.35rem;
}
.partner ul li::before {
  content: "—";
  color: var(--slate);
  margin-right: 0.5rem;
}
.partner .btn {
  align-self: flex-start;
  margin-top: auto;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(2rem, 5vw, 5rem);
}
.contact-aside p {
  color: var(--fog-2);
}
.contact-aside dl {
  margin: 1.8rem 0 0;
  display: grid;
  gap: 1rem;
  font-size: var(--step--1);
}
.contact-aside dt {
  color: var(--slate);
}
.contact-aside dd {
  margin: 0.15rem 0 0;
  color: var(--fog);
  font-weight: 500;
}
.contact-aside dd a {
  color: var(--fog);
}
.contact-aside dd a:hover {
  color: var(--wave);
}

form {
  display: grid;
  gap: 1.1rem;
}
.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.1rem;
}
.field {
  display: grid;
  gap: 0.4rem;
}
.field label {
  font-size: var(--step--1);
  color: var(--fog-2);
  font-weight: 500;
}
.field label .opt {
  color: var(--slate);
  font-weight: 400;
}
input,
select,
textarea {
  width: 100%;
  font: inherit;
  color: var(--fog);
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.75rem 0.9rem;
  transition: border-color 0.15s ease;
}
input:hover,
select:hover,
textarea:hover {
  border-color: #33466b;
}
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  border-color: var(--wave);
  box-shadow: none;
}
select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2397a4ba' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.9rem center;
  padding-right: 2.4rem;
}
textarea {
  min-height: 150px;
  resize: vertical;
}
.field .err {
  color: var(--err);
  font-size: var(--step--1);
  min-height: 0;
}
.field[data-invalid] input,
.field[data-invalid] textarea {
  border-color: var(--err);
}
.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.form-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.form-foot small {
  color: var(--slate);
  font-size: var(--step--1);
}
.form-status {
  padding: 1rem 1.1rem;
  border-radius: var(--radius);
  font-size: var(--step--1);
  line-height: 1.5;
}
.form-status[data-state="ok"] {
  background: color-mix(in srgb, var(--ok) 12%, transparent);
  color: var(--ok);
}
.form-status[data-state="error"] {
  background: color-mix(in srgb, var(--err) 12%, transparent);
  color: var(--err);
}
.form-status:empty {
  display: none;
}

/* ---------- Footer ---------- */

.site-footer {
  padding-block: 3rem 2.5rem;
  color: var(--slate);
  font-size: var(--step--1);
}
.site-footer .wrap {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 2rem;
}
.site-footer .brand {
  margin-bottom: 0.9rem;
}
.site-footer p {
  max-width: 40ch;
}
.site-footer ul {
  display: grid;
  gap: 0.5rem;
}
.site-footer a {
  color: var(--fog-2);
  text-decoration: none;
}
.site-footer a:hover {
  color: var(--wave);
}
.site-footer h4 {
  font-family: var(--font-body);
  font-size: var(--step--1);
  font-weight: 600;
  color: var(--fog);
  margin-bottom: 0.9rem;
}
.legal {
  grid-column: 1 / -1;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: space-between;
}
.legal .ph {
  color: var(--slate);
  border-bottom: 1px dotted var(--slate);
  cursor: help;
}

/* ---------- Subpages ---------- */

.page {
  padding-block: clamp(3rem, 7vw, 6rem);
  min-height: 60vh;
}
.page h1 {
  font-size: var(--step-3);
  margin-bottom: 1.5rem;
}
.page h2 {
  font-size: var(--step-1);
  margin: 2.2rem 0 0.7rem;
}
.page p,
.page li {
  color: var(--fog-2);
}
.page ul {
  list-style: disc;
  padding-left: 1.4rem;
  max-width: var(--measure);
}
.page .muted {
  color: var(--slate);
  font-size: var(--step--1);
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .hero .wrap,
  .section-head,
  .tracks,
  .crews,
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .hero-facts {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  }
  .site-footer .wrap {
    grid-template-columns: 1fr 1fr;
  }
  .site-footer .wrap > div:first-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 720px) {
  .nav {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--ink);
    border-bottom: 1px solid var(--line);
    padding: 0.5rem var(--gutter) 1rem;
    display: none;
  }
  .nav[data-open] {
    display: flex;
  }
  .nav a:not(.btn) {
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--line-soft);
    font-size: var(--step-0);
  }
  .nav .btn {
    margin-top: 0.8rem;
    border: 1px solid transparent;
    background: var(--watt);
    color: var(--ink);
  }
  .nav-toggle {
    display: inline-flex;
  }
  .hero h1 {
    max-width: none;
  }
  .site-footer .wrap {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    transition: none !important;
    animation: none !important;
  }
}