:root {
  --logix-navy: #1c3553;
  --logix-teal: #2bafaf;
  --ink: #172637;
  --muted: #4c5862;
  --paper: #aeb8b4;
  --paper-deep: #9fa9a5;
  --surface-cool: #a9b4b1;
  --surface-warm: #bdbbad;
  --surface-smoke: #a2acab;
  --line: rgba(28, 53, 83, 0.12);
  --white: #ffffff;
  --glow-x: 50%;
  --glow-y: 42%;
  --hero-grid: rgba(28, 53, 83, 0.02);
  --font-sans: Inter, "Segoe UI", Roboto, Arial, sans-serif;
  --font-display: Montserrat, "Segoe UI", Roboto, Arial, sans-serif;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
}

button,
input,
textarea {
  font: inherit;
}

.svg-defs {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 3.7rem;
  padding: 0.45rem max(1.5rem, 5vw);
  background: rgba(201, 207, 203, 0);
  border-bottom: 1px solid transparent;
  pointer-events: none;
  transition: background 240ms ease, border-color 240ms ease;
}

.header-logo-link {
  display: inline-flex;
  width: 3rem;
  color: var(--logix-navy);
  opacity: 0;
  transform: translateY(-0.8rem);
  pointer-events: none;
  transition: opacity 240ms ease, transform 240ms ease;
}

.header-logo {
  display: block;
  width: 100%;
  aspect-ratio: 760 / 740;
}

body.is-scrolled .site-header {
  background: rgba(201, 207, 203, 0.28);
  border-bottom-color: rgba(28, 53, 83, 0.08);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  pointer-events: auto;
}

body.is-scrolled .header-logo-link {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.hero-section {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4.4rem max(1.5rem, 5vw) 3.6rem;
  isolation: isolate;
  background-color: var(--surface-cool);
  background-image:
    linear-gradient(var(--hero-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--hero-grid) 1px, transparent 1px),
    radial-gradient(circle at var(--glow-x) var(--glow-y), rgba(255, 255, 255, 0.1), transparent 31rem);
  background-size: 72px 72px, 72px 72px, auto;
  animation: hero-grid-pan 34s linear infinite;
  transition: background-position 160ms ease-out;
}

.hero-inner {
  width: min(760px, 100%);
  display: grid;
  justify-items: center;
  gap: clamp(1.15rem, 3.2vw, 2.15rem);
  text-align: center;
}

.logo-stage {
  width: clamp(8.8rem, 18vw, 14.4rem);
}

.hero-logo {
  display: block;
  width: 100%;
  aspect-ratio: 760 / 740;
  filter: drop-shadow(0 2rem 3rem rgba(28, 53, 83, 0.12));
}

.logo-wordmark {
  fill: var(--logix-navy);
}

.logo-line {
  fill: none;
  stroke-width: 55px;
  stroke-miterlimit: 10;
}

.logo-line-navy {
  stroke: var(--logix-navy);
}

.logo-line-teal {
  stroke: var(--logix-teal);
}

.hero-copy {
  max-width: 620px;
}

.hero-kicker,
.section-kicker,
.clients-label {
  margin: 0 0 1rem;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--logix-teal);
}

.hero-copy h1,
.focus-section h2,
.contact-section h2 {
  margin: 0;
  font-family: var(--font-display);
  color: var(--logix-navy);
  letter-spacing: 0;
  line-height: 1.02;
}

.hero-copy h1 {
  font-size: clamp(2.2rem, 4.4vw, 3.85rem);
}

.hero-subtitle {
  max-width: 560px;
  margin: 1.05rem auto 0;
  color: var(--muted);
  font-size: clamp(0.95rem, 1.2vw, 1.05rem);
}

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 1.15rem;
  width: 2px;
  height: 3rem;
  background: rgba(28, 53, 83, 0.22);
  overflow: hidden;
}

.scroll-cue::after {
  content: "";
  position: absolute;
  top: -40%;
  left: 0;
  width: 100%;
  height: 45%;
  background: var(--logix-teal);
  animation: scroll-line 1.8s ease-in-out infinite;
}

.section-container {
  width: min(1120px, calc(100% - 3rem));
  margin: 0 auto;
}

.focus-section,
.clients-section,
.contact-section {
  border-top: 1px solid var(--line);
}

.focus-section {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: clamp(4rem, 7vw, 6rem) 0;
  position: relative;
  isolation: isolate;
  background:
    radial-gradient(circle at var(--glow-x) var(--glow-y), rgba(255, 255, 255, 0.08), transparent 32rem),
    linear-gradient(135deg, rgba(255, 255, 255, 0.2), transparent 45%),
    var(--surface-warm);
}

.focus-section h2 {
  max-width: 650px;
  font-size: clamp(2rem, 3.9vw, 3.35rem);
}

.focus-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.4rem, 3vw, 3rem);
  margin-top: clamp(2.5rem, 5vw, 4rem);
}

.focus-item {
  position: relative;
  padding-top: 1.4rem;
  opacity: 0;
  transform: translateY(1.6rem);
  transition: opacity 650ms var(--ease-out), transform 650ms var(--ease-out);
}

.focus-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 34%;
  height: 2px;
  background: var(--logix-navy);
  transform-origin: left center;
  transition: width 320ms var(--ease-out), background 320ms ease;
}

.focus-item.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.focus-item:nth-child(2).is-visible {
  transition-delay: 120ms;
}

.focus-item:nth-child(3).is-visible {
  transition-delay: 240ms;
}

.focus-item:hover::before {
  width: 100%;
  background: var(--logix-teal);
}

.focus-item span {
  display: block;
  margin-bottom: 1.6rem;
  color: rgba(28, 53, 83, 0.66);
  font-weight: 900;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  transition: color 240ms ease;
}

.focus-item:hover span {
  color: var(--logix-teal);
}

.focus-item h3 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  color: var(--logix-navy);
  font-size: 1.1rem;
  letter-spacing: 0;
}

.focus-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.clients-section {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: clamp(4rem, 8vw, 6rem) 0;
  position: relative;
  isolation: isolate;
  background:
    radial-gradient(circle at var(--glow-x) var(--glow-y), rgba(255, 255, 255, 0.07), transparent 34rem),
    linear-gradient(rgba(28, 53, 83, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.18), transparent),
    var(--surface-smoke);
  background-size: 100% 6rem, auto, auto;
}

.clients-marquee {
  width: 100%;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.clients-track {
  display: flex;
  width: max-content;
  animation: clients-marquee 42s linear infinite;
}

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

.clients-list {
  display: flex;
  flex: 0 0 auto;
  flex-wrap: nowrap;
  align-items: center;
  gap: clamp(1.5rem, 4vw, 3rem);
  padding-right: clamp(1.5rem, 4vw, 3rem);
  color: rgba(28, 53, 83, 0.68);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(0.9rem, 1.45vw, 1.28rem);
  letter-spacing: 0.14em;
  white-space: nowrap;
}

.clients-list span {
  display: inline-block;
  transition: opacity 220ms ease, color 220ms ease;
}

.clients-marquee:hover span {
  opacity: 0.38;
}

.clients-list span:hover {
  opacity: 1;
  color: var(--logix-navy);
}

.contact-section {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: clamp(4rem, 8vw, 6rem) 0;
  background: var(--logix-navy);
  background-image: radial-gradient(circle at var(--glow-x) var(--glow-y), rgba(43, 175, 175, 0.1), transparent 36rem);
  color: var(--white);
}

.contact-inner {
  max-width: 820px;
  margin-left: max(1.5rem, calc((100% - 1120px) / 2));
  margin-right: auto;
}

.contact-section .section-kicker {
  color: var(--logix-teal);
}

.contact-section h2 {
  max-width: 650px;
  color: var(--white);
  font-size: clamp(2.2rem, 4.3vw, 3.85rem);
}

.email-button {
  position: relative;
  display: inline-flex;
  margin-top: 2rem;
  padding: 0;
  border: 0;
  background: none;
  color: var(--logix-teal);
  cursor: pointer;
}

.contact-email {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.2vw, 2.5rem);
  font-weight: 800;
  transition: color 180ms ease, text-shadow 180ms ease, transform 180ms var(--ease-out);
}

.contact-email.is-pulsing {
  animation: email-pulse 720ms var(--ease-out);
}

.copy-feedback {
  position: absolute;
  left: 0;
  bottom: -1.5rem;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.85rem;
  opacity: 0;
  transform: translateY(0.4rem);
  transition: opacity 180ms ease, transform 180ms ease;
}

.copy-feedback.show {
  opacity: 1;
  transform: translateY(0);
}

.site-footer {
  display: flex;
  justify-content: center;
  padding: 2rem 1.5rem;
  color: var(--muted);
  font-size: 0.88rem;
  background: var(--paper-deep);
}

.copyright-trigger {
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  cursor: pointer;
  transition: color 180ms ease;
}

.copyright-trigger:hover {
  color: var(--logix-navy);
}

@keyframes hero-grid-pan {
  from {
    background-position: 0 0, 0 0, center;
  }
  to {
    background-position: 0 144px, 0 144px, center;
  }
}

@keyframes scroll-line {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(310%);
  }
}

@keyframes clients-marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

@keyframes email-pulse {
  0% {
    color: var(--logix-teal);
    text-shadow: none;
    transform: translateX(0) scale(1);
  }
  22% {
    color: #ffffff;
    text-shadow: 0 0 18px rgba(43, 175, 175, 0.85);
    transform: translateX(-1px) scale(1.015);
  }
  44% {
    color: var(--logix-teal);
    text-shadow: 0 0 22px rgba(43, 175, 175, 0.95);
    transform: translateX(1px) scale(1.025);
  }
  100% {
    color: var(--logix-teal);
    text-shadow: none;
    transform: translateX(0) scale(1);
  }
}

@media (max-width: 860px) {
  .site-header {
    min-height: 3.4rem;
  }

  .header-logo-link {
    width: 2.75rem;
  }

  .hero-section {
    min-height: 100svh;
    padding: 3.6rem 1.5rem 3.4rem;
  }

  .hero-inner {
    gap: 1.45rem;
  }

  .focus-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    margin-top: 2rem;
  }

  .focus-item {
    opacity: 1;
    transform: none;
  }

  .focus-section h2 {
    font-size: clamp(1.7rem, 8vw, 2.35rem);
  }

  .focus-item span {
    margin-bottom: 0.9rem;
  }

  .focus-item p {
    font-size: 0.9rem;
  }

  .contact-inner {
    margin-left: auto;
    width: min(1120px, calc(100% - 3rem));
  }
}

@media (max-width: 520px) {
  .logo-stage {
    width: min(100%, 9.8rem);
  }

  .hero-copy h1 {
    font-size: clamp(2rem, 12vw, 3.25rem);
  }

  .hero-subtitle {
    font-size: 0.94rem;
  }

  .section-container {
    width: min(1120px, calc(100% - 2rem));
  }

}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }

  .logo-wordmark {
    opacity: 1;
    clip-path: none;
  }
}