:root {
  color-scheme: dark;
  --bg: #070b16;
  --surface-1: #0c1322;
  --surface-2: #101a30;
  --line: rgba(148, 170, 220, 0.14);
  --paper: #eef1f7;
  --paper-ink: #101a30;
  --ink: #f2f5fb;
  --muted: #9aa6c0;
  --accent: #5b8cff;
  --accent-strong: #3f6dff;
  --accent-soft: rgba(91, 140, 255, 0.12);
  --shadow: 0 24px 60px rgba(3, 7, 18, 0.5);
  --sans: "Inter", system-ui, Arial, sans-serif;
  --display: "Space Grotesk", "Inter", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
}

body {
  margin: 0;
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

/* film-grain overlay */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 80;
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

::selection {
  background: var(--accent);
  color: #070b16;
}

/* ---------- header ---------- */

.site-header {
  position: fixed;
  z-index: 90;
  top: 0;
  right: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 88px;
  padding: 0 clamp(24px, 4vw, 64px);
  border-bottom: 1px solid transparent;
  transition:
    background 260ms ease,
    border-color 260ms ease,
    height 260ms ease;
}

.site-header.is-scrolled {
  height: 72px;
  background: rgba(7, 11, 22, 0.78);
  border-bottom-color: var(--line);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.brand,
.site-nav a {
  color: var(--ink);
  text-decoration: none;
}

.brand {
  position: relative;
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand::after {
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 1px;
  background: var(--accent);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 220ms ease;
}

.brand:hover::after,
.brand:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.brand-word {
  font: 700 17px/1 var(--display);
  letter-spacing: -0.02em;
  color: var(--ink);
  white-space: nowrap;
}

.brand-word em {
  font-style: normal;
  color: var(--accent);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(22px, 3vw, 48px);
  margin-left: auto;
  margin-right: clamp(24px, 4vw, 64px);
}

.site-nav a {
  position: relative;
  font: 600 10px/1 var(--display);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(242, 245, 251, 0.85);
  transition: color 200ms ease;
}

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

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 1px;
  background: var(--accent);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 220ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.menu-button {
  display: none;
  width: 48px;
  height: 48px;
  padding: 0;
  place-content: center;
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(12, 19, 34, 0.5);
  color: var(--ink);
  cursor: pointer;
}

.menu-button span {
  display: block;
  width: 15px;
  height: 1px;
  background: currentColor;
  transition: transform 220ms ease;
}

.menu-button:hover span:first-child {
  transform: translateX(3px);
}

.menu-button:hover span:last-child {
  transform: translateX(-3px);
}

/* ---------- hero ---------- */

.hero {
  position: relative;
  height: 100vh;
  min-height: 620px;
  overflow: hidden;
  isolation: isolate;
  background: var(--bg);
}

.hero::before {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(
      circle at 72% 26%,
      rgba(91, 140, 255, 0.14),
      transparent 44%
    ),
    linear-gradient(
      90deg,
      rgba(7, 11, 22, 0.94) 0%,
      rgba(7, 11, 22, 0.72) 34%,
      rgba(7, 11, 22, 0.28) 62%,
      rgba(7, 11, 22, 0.05) 100%
    );
  content: "";
  pointer-events: none;
}

.hero::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 1;
  height: 180px;
  background: linear-gradient(180deg, transparent, rgba(7, 11, 22, 0.92));
  content: "";
  pointer-events: none;
}

.hero-visual {
  position: absolute;
  inset: 0;
  z-index: 0;
}

#frame-canvas {
  display: block;
  width: 100%;
  height: 100%;
  filter: saturate(1.05) contrast(1.1);
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  width: min(100%, 1600px);
  height: 100%;
  margin: 0 auto;
  padding: clamp(110px, 14vh, 170px) clamp(24px, 5vw, 72px)
    clamp(56px, 8vh, 110px);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(100%, 600px);
  padding-left: clamp(0px, 4vw, 32px);
}

/* ---------- typography ---------- */

.eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 22px;
  color: var(--muted);
  font: 600 12px/1.2 var(--display);
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.eyebrow-num {
  color: var(--accent);
}

.eyebrow-num::after {
  content: "";
  display: inline-block;
  width: 34px;
  height: 1px;
  margin-left: 14px;
  vertical-align: middle;
  background: var(--accent);
  opacity: 0.6;
}

h1,
h2,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: var(--display);
}

h1 {
  margin-bottom: 30px;
  font-size: clamp(64px, 9.5vw, 176px);
  font-weight: 600;
  line-height: 0.92;
  letter-spacing: -0.04em;
  color: var(--ink);
}

.outline {
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(242, 245, 251, 0.85);
}

h2 {
  max-width: 800px;
  margin-bottom: 28px;
  font-size: clamp(40px, 5.2vw, 76px);
  font-weight: 600;
  line-height: 0.98;
  letter-spacing: -0.03em;
}

.hero-copy {
  max-width: 480px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(17px, 1.4vw, 21px);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

/* ---------- buttons ---------- */

.primary-btn,
.secondary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 58px;
  padding: 0 30px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font: 700 12px/1 var(--display);
  letter-spacing: 0.14em;
  text-decoration: none;
  text-transform: uppercase;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease,
    color 180ms ease;
}

.primary-btn {
  background: var(--accent);
  color: #070b16;
  border-color: transparent;
  box-shadow: 0 18px 42px rgba(63, 109, 255, 0.25);
}

.primary-btn:hover {
  background: var(--accent-strong);
  transform: translateY(-2px);
}

.secondary-btn {
  background: transparent;
  color: var(--ink);
}

.secondary-btn:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.loading-state {
  position: absolute;
  inset: 50% auto auto 50%;
  color: var(--muted);
  font: 600 12px/1.2 var(--display);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transform: translate(-50%, -50%);
}

.loading-state.is-hidden {
  opacity: 0;
  pointer-events: none;
}

.scroll-hint {
  position: absolute;
  right: clamp(24px, 5vw, 72px);
  bottom: 32px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font: 600 11px/1.2 var(--display);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.scroll-hint::after {
  content: "";
  width: 1px;
  height: 34px;
  background: linear-gradient(180deg, var(--accent), transparent);
}

/* ---------- client marquee ---------- */

.client-strip {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface-1);
}

.client-marquee {
  overflow: hidden;
}

.client-marquee:hover .client-track {
  animation-play-state: paused;
}

.client-track {
  display: flex;
  width: max-content;
  animation: client-scroll 36s linear infinite;
  will-change: transform;
}

.client-group {
  display: flex;
  flex-shrink: 0;
}

.client-logo {
  display: flex;
  width: clamp(200px, 18vw, 320px);
  min-width: clamp(200px, 18vw, 320px);
  height: 112px;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 0 28px;
  border-right: 1px solid var(--line);
  color: var(--muted);
  font: 600 clamp(17px, 1.5vw, 26px)/1 var(--display);
  letter-spacing: -0.03em;
  white-space: nowrap;
  text-align: center;
  transition: color 220ms ease;
}

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

.client-logo > span {
  flex: 0 0 auto;
  color: var(--accent);
  opacity: 0.85;
}

.logo-spark {
  font-size: 30px;
  line-height: 0.7;
}

.logo-screen {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 3px solid var(--accent);
  border-radius: 8px;
  font-size: 20px;
  line-height: 0.6;
}

.logo-ring {
  width: 30px;
  height: 30px;
  border: 3px solid var(--accent);
  border-radius: 50%;
}

.logo-rails {
  font-size: 40px;
  line-height: 0.35;
}

.logo-vision {
  font-size: 30px;
  transform: rotate(-28deg);
}

@keyframes client-scroll {
  to {
    transform: translateX(-50%);
  }
}

/* ---------- sections ---------- */

.about,
.work,
.testimonials,
.contact {
  padding: clamp(96px, 12vw, 160px) clamp(24px, 7vw, 120px);
}

.about {
  position: relative;
  background: var(--surface-1);
  color: var(--ink);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.about::before {
  content: "";
  position: absolute;
  top: -260px;
  right: -180px;
  width: 640px;
  height: 640px;
  background: radial-gradient(
    circle,
    rgba(91, 140, 255, 0.09),
    transparent 65%
  );
  pointer-events: none;
}

.work {
  position: relative;
  background: var(--bg);
  color: var(--ink);
}

.testimonials {
  position: relative;
  background: var(--surface-1);
  color: var(--ink);
  overflow: hidden;
}

.testimonials::before {
  content: "";
  position: absolute;
  top: -240px;
  left: -160px;
  width: 640px;
  height: 640px;
  background: radial-gradient(
    circle,
    rgba(91, 140, 255, 0.1),
    transparent 65%
  );
  pointer-events: none;
}

.contact {
  background: var(--bg);
  color: var(--ink);
}

.section-inner {
  position: relative;
  width: min(100%, 1220px);
  margin: 0 auto;
}

.about-grid,
.contact-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: clamp(30px, 6vw, 90px);
  align-items: start;
}

.about-copy {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}

.about-copy p {
  margin-bottom: 1.4em;
}

.about-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

.about-stats span {
  display: inline-flex;
  align-items: center;
  padding: 12px 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--ink);
  font: 600 12px/1 var(--display);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ---------- case cards ---------- */

.case-grid,
.quote-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
  margin-top: 0;
}

.case-card,
.quote-card {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--surface-2);
  transition:
    transform 250ms ease,
    border-color 250ms ease,
    box-shadow 250ms ease;
}

.case-card:hover,
.quote-card:hover {
  transform: translateY(-6px);
  border-color: rgba(91, 140, 255, 0.5);
  box-shadow: var(--shadow);
}

.case-card {
  position: relative;
  overflow: hidden;
  min-height: 360px;
  padding: 30px 32px 28px;
}

.case-media {
  display: block;
  width: calc(100% + 64px);
  height: 200px;
  margin: -30px -32px 24px;
  border-bottom: 1px solid var(--line);
  object-fit: cover;
  filter: saturate(1.05);
  transition: transform 400ms ease;
}

.case-card:hover .case-media {
  transform: scale(1.04);
}

.case-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 18px;
}

.case-index {
  position: absolute;
  top: 212px;
  right: 24px;
  color: transparent;
  -webkit-text-stroke: 1px rgba(148, 170, 220, 0.28);
  font: 700 clamp(64px, 6vw, 96px)/1 var(--display);
  letter-spacing: -0.02em;
  pointer-events: none;
}

.case-card h3 {
  margin: 0;
  font-size: clamp(24px, 2vw, 32px);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.case-card p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}

.case-card p:first-of-type {
  margin-top: 16px;
}

.case-card strong {
  color: var(--accent);
  font-weight: 600;
}

/* ---------- #work shell (injected section) ---------- */

#work {
  padding: clamp(32px, 4vw, 56px) clamp(24px, 7vw, 120px)
    clamp(96px, 10vw, 150px);
}

#work .work-head {
  max-width: 1240px;
  margin: 0 auto 40px;
}

#work .work-head .eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 22px;
  color: var(--muted);
  font: 600 12px/1.2 var(--display);
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

#work .work-head h2 {
  max-width: 800px;
  margin: 0;
  color: var(--ink);
  font-family: var(--display);
  font-size: clamp(40px, 5.2vw, 76px);
  font-weight: 600;
  line-height: 0.98;
  letter-spacing: -0.03em;
}

/* ---------- testimonials ---------- */

.quote-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.quote-card {
  position: relative;
  margin: 0;
  padding: clamp(30px, 3vw, 40px);
  color: rgba(242, 245, 251, 0.92);
  font-size: clamp(19px, 1.7vw, 24px);
  line-height: 1.45;
  letter-spacing: -0.01em;
}

.quote-card::before {
  content: "\201C";
  display: block;
  height: 44px;
  color: rgba(91, 140, 255, 0.4);
  font: 700 84px/1 var(--display);
}

.quote-card footer {
  margin-top: 26px;
}

.quote-name {
  display: block;
  color: var(--ink);
  font: 600 14px/1 var(--display);
  letter-spacing: 0.04em;
}

.quote-role {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font: 600 11px/1 var(--display);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* ---------- contact ---------- */

.contact-copy {
  display: grid;
  gap: 18px;
}

.contact-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}

.contact-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
  color: rgba(242, 245, 251, 0.92);
  font-size: 17px;
  line-height: 1.5;
}

.contact-list li {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.contact-list span {
  display: inline-block;
  min-width: 128px;
  color: var(--accent);
  font: 600 12px/1.6 var(--display);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.contact-copy-left {
  margin-top: 34px;
}

.form-window {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--surface-2);
  box-shadow: var(--shadow);
  transition:
    transform 250ms ease,
    border-color 250ms ease;
}

.form-window:hover {
  transform: translateY(-6px);
  border-color: rgba(91, 140, 255, 0.5);
}

.form-window-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-1);
}

.form-window-bar i {
  display: block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.form-window-bar .bar-label {
  margin-left: 12px;
  color: var(--muted);
  font: 600 10px/1 var(--display);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.form-window iframe {
  display: block;
  height: 452px !important;
  min-height: 0;
  padding: 8px 22px 22px;
  background: var(--surface-2);
}

/* ---------- footer ---------- */

.site-footer {
  overflow: hidden;
  border-top: 1px solid var(--line);
  background: #05080f;
  color: var(--ink);
  padding-inline: clamp(24px, 7vw, 120px);
}

.footer-giant {
  max-width: 1220px;
  margin: 0 auto;
  padding: clamp(32px, 5vw, 64px) 0 0;
  color: transparent;
  -webkit-text-stroke: 1px rgba(148, 170, 220, 0.25);
  font: 700 clamp(48px, 10vw, 150px)/1 var(--display);
  letter-spacing: -0.02em;
  white-space: nowrap;
  overflow: hidden;
  user-select: none;
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) auto auto;
  gap: clamp(24px, 4vw, 72px);
  align-items: center;
  padding: clamp(32px, 5vw, 56px) 0;
}

.footer-brand {
  max-width: 420px;
}

.footer-brand p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.footer-links,
.footer-meta {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a,
.footer-meta a {
  color: var(--muted);
  text-decoration: none;
  font: 600 12px/1 var(--display);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: color 200ms ease;
}

.footer-links a:hover,
.footer-meta a:hover {
  color: var(--accent);
}

.footer-meta a {
  letter-spacing: 0.06em;
  text-transform: none;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0 30px;
  border-top: 1px solid rgba(148, 170, 220, 0.08);
  color: var(--muted);
  font: 600 12px/1 var(--display);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* ---------- responsive ---------- */

/* short viewports: scale the hero down so buttons stay visible */
@media (max-height: 860px) {
  .hero-inner {
    padding-top: 100px;
    padding-bottom: 44px;
  }

  h1 {
    margin-bottom: 22px;
    font-size: clamp(56px, min(8.5vw, 15vh), 128px);
  }

  .hero-copy {
    font-size: 17px;
  }

  .hero-actions {
    margin-top: 26px;
  }

  .primary-btn,
  .secondary-btn {
    min-height: 52px;
    padding: 0 26px;
  }
}

@media (max-width: 900px) {
  .case-grid,
  .quote-grid,
  .about-grid,
  .contact-wrap {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
    align-items: start;
  }
}

@media (max-width: 600px) {
  .site-header {
    height: 72px;
  }

  .site-header.is-scrolled {
    height: 64px;
  }

  .site-nav {
    display: none;
  }

  .menu-button {
    display: grid;
  }

  .site-nav.is-open {
    position: absolute;
    top: 72px;
    right: 0;
    left: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
    margin: 0;
    padding: 28px 24px 34px;
    border-bottom: 1px solid var(--line);
    background: rgba(7, 11, 22, 0.96);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
  }

  .site-nav.is-open a {
    font-size: 15px;
  }

  .hero {
    min-height: 720px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    padding-top: 110px;
    padding-bottom: 72px;
  }

  .hero-content {
    width: min(100%, 460px);
    padding-left: 0;
  }

  .outline {
    -webkit-text-stroke-width: 1px;
  }

  .hero-copy {
    max-width: 100%;
    font-size: 17px;
    line-height: 1.6;
  }

  .scroll-hint {
    right: auto;
    left: 24px;
  }

  .case-index {
    font-size: 64px;
  }

  .footer-giant {
    -webkit-text-stroke-width: 0.75px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 10px;
    line-height: 1.5;
  }
}