/* vausnet — brand system */
:root {
  --ink: #0c0d0f;
  --ink-soft: #1c1f24;
  --slate: #3a4049;
  --mute: #6b7280;
  --line: rgba(12, 13, 15, 0.12);
  --paper: #eceeef;
  --paper-2: #e2e5e8;
  --paper-3: #f6f7f8;
  --accent: #0f5c6e;
  --accent-deep: #0a3f4c;
  --white: #ffffff;
  --radius: 2px;
  --shell: min(1120px, calc(100% - 2.5rem));
  --font-display: "Syne", sans-serif;
  --font-body: "Outfit", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  background:
    radial-gradient(1200px 600px at 85% -10%, rgba(15, 92, 110, 0.08), transparent 55%),
    linear-gradient(180deg, #f3f4f5 0%, var(--paper) 40%, #e8eaec 100%);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 100;
  padding: 0.6rem 1rem;
  background: var(--ink);
  color: var(--white);
}

.skip-link:focus {
  top: 1rem;
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  transition: background 0.35s var(--ease), backdrop-filter 0.35s var(--ease), border-color 0.35s var(--ease);
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  background: rgba(243, 244, 245, 0.88);
  backdrop-filter: blur(12px);
  border-bottom-color: var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--ink);
}

.brand:hover {
  color: var(--ink);
}

.brand-mark {
  width: 3.25rem;
  height: auto;
  color: var(--ink);
}

.brand-word {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}

.nav {
  display: none;
  align-items: center;
  gap: 1.75rem;
}

.nav a {
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--slate);
}

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

.nav-cta {
  padding: 0.45rem 0.95rem;
  background: var(--ink);
  color: var(--white) !important;
  transition: background 0.25s var(--ease);
}

.nav-cta:hover {
  background: var(--accent);
}

.menu-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 2.5rem;
  height: 2.5rem;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 0;
}

.menu-toggle span:not(.sr-only) {
  display: block;
  width: 1.35rem;
  height: 2px;
  background: var(--ink);
  transition: transform 0.3s var(--ease);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  transform: translateY(4px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.5rem 1.25rem 1.25rem;
  background: rgba(243, 244, 245, 0.96);
  border-bottom: 1px solid var(--line);
}

.mobile-nav[hidden] {
  display: none;
}

.mobile-nav a {
  text-decoration: none;
  padding: 0.75rem 0;
  font-weight: 600;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 820px) {
  .nav {
    display: flex;
  }

  .menu-toggle,
  .mobile-nav {
    display: none !important;
  }
}

/* Hero */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  padding: 7rem 0 4.5rem;
}

.hero-plane {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(12, 13, 15, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(12, 13, 15, 0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 70% at 70% 35%, #000 20%, transparent 75%);
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
}

.hero-orb-a {
  width: min(55vw, 480px);
  height: min(55vw, 480px);
  top: 8%;
  right: 5%;
  background: rgba(15, 92, 110, 0.16);
  animation: drift 14s ease-in-out infinite alternate;
}

.hero-orb-b {
  width: min(40vw, 320px);
  height: min(40vw, 320px);
  bottom: 18%;
  left: 8%;
  background: rgba(12, 13, 15, 0.06);
  animation: drift 18s ease-in-out infinite alternate-reverse;
}

.hero-mark-stage {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding-bottom: 8%;
}

.hero-mark {
  display: grid;
  grid-template-columns: auto auto;
  grid-template-rows: auto auto;
  column-gap: clamp(1.5rem, 4vw, 3rem);
  row-gap: 0.35rem;
  color: var(--ink);
  opacity: 0.1;
  transform: scale(1.05);
  animation: markIn 1.4s var(--ease) 0.15s forwards;
}

.hm-vs,
.hm-nt {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(4.5rem, 16vw, 11rem);
  line-height: 0.85;
  letter-spacing: -0.04em;
}

.hm-vs {
  grid-column: 1;
  grid-row: 1;
}

.hm-nt {
  grid-column: 2;
  grid-row: 2;
}

.hm-line {
  display: block;
  height: clamp(0.35rem, 1vw, 0.7rem);
  background: currentColor;
}

.hm-line-under {
  grid-column: 1;
  grid-row: 2;
  align-self: start;
  margin-top: 0.35rem;
  width: 100%;
  transform-origin: left;
  animation: lineGrow 1s var(--ease) 0.55s both;
}

.hm-line-over {
  grid-column: 2;
  grid-row: 1;
  align-self: end;
  margin-bottom: 0.35rem;
  width: 100%;
  transform-origin: right;
  animation: lineGrow 1s var(--ease) 0.7s both;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 40rem;
  animation: riseIn 1s var(--ease) 0.2s both;
}

.hero-brand {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.75rem, 8vw, 4.75rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
}

.hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.55rem, 3.4vw, 2.15rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink-soft);
  max-width: 18ch;
}

.hero-lead {
  margin: 0 0 1.75rem;
  color: var(--slate);
  max-width: 34rem;
  font-size: 1.05rem;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.35rem;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.98rem;
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--ink);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--accent);
  color: var(--white);
}

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}

.btn-ghost:hover {
  border-color: var(--ink);
  color: var(--ink);
}

/* Clients */
.clients {
  border-top: 1px solid var(--line);
  background: var(--paper-3);
  text-align: center;
}

.clients .eyebrow {
  margin-bottom: 1.5rem;
}

.clients-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 1rem 0;
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: 48rem;
}

.clients-list li {
  position: relative;
  padding: 0.35rem 1.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  letter-spacing: -0.02em;
  color: var(--ink);
}

.clients-list li:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  width: 1px;
  height: 1.1em;
  background: var(--line);
  transform: translateY(-50%);
}

@media (max-width: 560px) {
  .clients-list {
    flex-direction: column;
    gap: 0.85rem;
  }

  .clients-list li {
    padding: 0;
  }

  .clients-list li::after {
    display: none;
  }
}

/* Sections */
.section {
  padding: clamp(4.5rem, 10vw, 7rem) 0;
}

.eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.section h2 {
  margin: 0 0 1.75rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
  max-width: 16ch;
}

/* About */
.about {
  border-top: 1px solid var(--line);
  background:
    linear-gradient(90deg, transparent, rgba(15, 92, 110, 0.04), transparent),
    var(--paper-3);
}

.about-grid {
  display: grid;
  gap: 1.5rem;
}

.about-lead {
  margin: 0;
  font-size: clamp(1.2rem, 2.4vw, 1.45rem);
  line-height: 1.45;
  font-weight: 500;
  max-width: 38rem;
}

.about-points {
  display: grid;
  gap: 1rem;
  max-width: 36rem;
  color: var(--slate);
}

.about-points p {
  margin: 0;
}

@media (min-width: 880px) {
  .about-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3rem;
    align-items: start;
  }

  .about h2 {
    max-width: none;
  }
}

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

.service-item {
  display: grid;
  gap: 1rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--line);
}

.service-index {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--mute);
  letter-spacing: 0.08em;
}

.service-body h3 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: 1.55rem;
  letter-spacing: -0.02em;
}

.service-body > p {
  margin: 0 0 1.1rem;
  color: var(--slate);
  max-width: 42rem;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.tags li {
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--line);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--slate);
  background: rgba(255, 255, 255, 0.45);
}

@media (min-width: 760px) {
  .service-item {
    grid-template-columns: 4rem 1fr;
    gap: 2rem;
    align-items: start;
  }
}

/* Work */
.work {
  background:
    linear-gradient(180deg, rgba(12, 13, 15, 0.03), transparent 30%),
    var(--paper-2);
}

.work-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.work-item {
  padding: 1.85rem 0;
  border-bottom: 1px solid var(--line);
}

.work-client {
  margin: 0 0 0.4rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.work-item h3 {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 1.55rem);
  letter-spacing: -0.02em;
}

.work-item p:last-child {
  margin: 0;
  color: var(--slate);
  max-width: 40rem;
}

@media (min-width: 900px) {
  .work-list {
    grid-template-columns: 1fr 1fr;
    column-gap: 3rem;
  }

  .work-item:nth-child(odd) {
    padding-right: 1.5rem;
  }

  .work-item:nth-child(even) {
    padding-left: 1.5rem;
    border-left: 1px solid var(--line);
  }
}

/* Focus bands */
.specialize {
  border-top: 1px solid var(--line);
}

.focus-bands {
  display: grid;
  gap: 0.65rem;
}

.focus-band {
  display: grid;
  gap: 0.35rem;
  padding: 1.25rem 1.35rem;
  background: linear-gradient(105deg, rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0.28));
  border-left: 3px solid var(--accent);
}

.focus-band strong {
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: -0.01em;
}

.focus-band span {
  color: var(--slate);
  font-size: 0.98rem;
}

@media (min-width: 800px) {
  .focus-bands {
    grid-template-columns: 1fr 1fr;
  }
}

/* Contact */
.contact {
  background:
    radial-gradient(700px 400px at 0% 100%, rgba(15, 92, 110, 0.1), transparent 60%),
    var(--ink);
  color: #e8eaec;
}

.contact .eyebrow {
  color: #7eb8c4;
}

.contact h2 {
  color: var(--white);
}

.contact-copy > p:not(.eyebrow) {
  color: #aeb4bc;
  max-width: 30rem;
}

.contact-grid {
  display: grid;
  gap: 2.5rem;
}

.contact-meta {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.contact-meta li {
  display: grid;
  gap: 0.2rem;
}

.contact-meta span {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #7a828c;
}

.contact-meta a {
  color: var(--white);
  text-decoration: none;
  font-weight: 500;
}

.contact-meta a:hover {
  color: #9fd0db;
}

.contact-form {
  display: grid;
  gap: 1rem;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-form label {
  display: grid;
  gap: 0.4rem;
}

.contact-form label span {
  font-size: 0.8rem;
  font-weight: 500;
  color: #9aa3ad;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 0.8rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(12, 13, 15, 0.35);
  color: var(--white);
  border-radius: var(--radius);
  outline: none;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: #6f7782;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: #7eb8c4;
}

.contact-form select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, #9aa3ad 50%),
    linear-gradient(135deg, #9aa3ad 50%, transparent 50%);
  background-position: calc(100% - 18px) calc(50% - 3px), calc(100% - 12px) calc(50% - 3px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}

.contact-form option {
  color: var(--ink);
  background: var(--white);
}

.contact-form .btn-primary {
  background: var(--white);
  color: var(--ink);
  margin-top: 0.35rem;
}

.contact-form .btn-primary:hover {
  background: #9fd0db;
  color: var(--ink);
}

.form-note {
  margin: 0;
  font-size: 0.92rem;
  color: #9fd0db;
}

@media (min-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
  }
}

/* Footer */
.site-footer {
  background: #070809;
  color: #8b939c;
  padding: 2rem 0;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 2rem;
}

.site-footer .brand {
  color: var(--white);
}

.site-footer .brand-mark {
  filter: invert(1);
}

.footer-tag {
  margin: 0;
  flex: 1;
  font-size: 0.9rem;
}

.footer-copy {
  margin: 0;
  font-size: 0.85rem;
}

.footer-credit {
  display: block;
  margin-top: 0.35rem;
  color: #6a727b;
  font-size: 0.78rem;
}

/* Reveal motion */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@keyframes markIn {
  to {
    opacity: 0.12;
    transform: scale(1);
  }
}

@keyframes lineGrow {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes drift {
  from {
    transform: translate(0, 0);
  }
  to {
    transform: translate(-24px, 18px);
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}