:root {
  --bg: #f3f7fb;
  --bg-alt: #e5edf6;
  --surface: #ffffff;
  --surface-2: #eef3f9;
  --accent: #2f6fb2;
  --accent-soft: rgba(47, 111, 178, 0.12);
  --mint: #1f4f8f;
  --text: #151c2b;
  --muted: #5b6b84;
  --shadow: rgba(15, 26, 45, 0.12);
  --radius: 20px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 15% 20%, #ffffff 0%, transparent 42%),
    radial-gradient(circle at 85% 12%, #d7e6f7 0%, transparent 45%),
    linear-gradient(120deg, var(--bg) 0%, #f8fbff 45%, var(--bg-alt) 100%);
  min-height: 100vh;
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg width='120' height='120' viewBox='0 0 120 120' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='.06'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
  z-index: 0;
}

.site-header {
  position: relative;
  overflow: hidden;
  padding: 20px 7vw 50px;
  z-index: 1;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  position: sticky;
  top: 0;
  z-index: 10;
  padding: 14px 20px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(15, 16, 18, 0.08);
  box-shadow: 0 12px 30px var(--shadow);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  font-weight: 600;
}

.brand-logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 12px;
  background: #ffffff;
  border: 1px solid rgba(31, 79, 143, 0.18);
  padding: 4px;
}

.brand-name {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: larger;
  font-weight: 1500;
}

.nav-links {
  display: flex;
  gap: 24px;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 10px;
  border-radius: 12px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  margin: 4px 0;
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 48px;
  margin-top: 80px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.3em;
  font-size: 0.75rem;
  color: var(--mint);
  margin: 0 0 16px;
}

h1 {
  font-size: clamp(2.6rem, 3.5vw, 4.2rem);
  margin: 0 0 24px;
  line-height: 1.1;
}

.lead {
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 32px 0;
}

.btn {
  padding: 14px 24px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border 0.2s ease;
}

.btn.primary {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 18px 30px rgba(255, 122, 69, 0.25);
}

.btn.primary:hover {
  transform: translateY(-2px);
}

.btn.ghost {
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--text);
  background: transparent;
}

.hero-meta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.hero-meta h3 {
  font-size: 1.6rem;
  margin: 0;
}

.hero-meta p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-panel {
  display: grid;
  gap: 20px;
}

.panel-card {
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.6));
  border: 1px solid rgba(15, 16, 18, 0.08);
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: 0 20px 40px var(--shadow);
}

.panel-card h4 {
  margin: 0 0 12px;
  font-size: 1.2rem;
}

.panel-tag {
  margin-top: 16px;
  display: inline-flex;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

.section {
  padding: 50px 7vw;
  position: relative;
  z-index: 1;
}

.section:nth-of-type(even) {
  background: rgba(255, 255, 255, 0.6);
}

.section-intro {
  max-width: 720px;
  margin-bottom: 48px;
}

h2 {
  font-size: clamp(2rem, 2.8vw, 3rem);
  margin: 0;
  line-height: 1.2;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 36px;
}

.about-cards {
  display: grid;
  gap: 18px;
}

.stat {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 20px 24px;
  border: 1px solid rgba(15, 16, 18, 0.08);
}

.stat span {
  font-size: 1.8rem;
  font-weight: 700;
}

.stat p {
  margin: 6px 0 0;
  color: var(--muted);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--surface-2);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid rgba(15, 16, 18, 0.08);
}

.service-card ul {
  padding-left: 18px;
  margin: 16px 0 0;
  color: var(--muted);
}

.tools {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.solution {
  padding: 24px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(15, 16, 18, 0.08);
}

.timeline {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.step {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 16px;
  padding: 20px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid rgba(15, 16, 18, 0.08);
  text-align: left;
}

.step span {
  font-size: 1.5rem;
  color: var(--accent);
  font-weight: 600;
}

.step h3 {
  margin: 0 0 8px;
}

.step p {
  margin: 0;
  color: var(--muted);
}

.projects-grid,
.insights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.projects-grid article,
.insight-card {
  padding: 24px;
  border-radius: var(--radius);
  background: var(--surface-2);
  border: 1px solid rgba(15, 16, 18, 0.08);
}

.marquee {
  position: relative;
  overflow: hidden;
  padding: 10px 0 4px;
  display: flex;
  align-items: center;
  gap: 18px;
}

.marquee-track {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  white-space: nowrap;
  flex: 0 0 auto;
  animation: marquee-scroll linear infinite;
  animation-duration: 28s;
}

.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  color: var(--text);
}

.marquee-item::after {
  content: "•";
  color: var(--muted);
}

.marquee-item:last-child::after {
  content: "";
}

.marquee:hover .marquee-track,
.marquee:focus-within .marquee-track {
  animation-play-state: paused;
}

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

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.project-header span {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mint);
}

.link-button {
  background: transparent;
  color: var(--accent);
  border: none;
  padding: 0;
  margin-top: 12px;
  cursor: pointer;
  font-weight: 600;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
}

.contact-card {
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.6));
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid rgba(15, 16, 18, 0.1);
}

.contact-detail {
  display: flex;
  flex-direction: column;
  margin-top: 18px;
}

.contact-form {
  display: grid;
  gap: 16px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--muted);
}

input,
select,
textarea {
  background: #ffffff;
  border-radius: 12px;
  border: 1px solid rgba(15, 16, 18, 0.12);
  color: var(--text);
  padding: 12px 14px;
  font-family: inherit;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

.footer {
  padding: 48px 7vw 32px;
  display: grid;
  gap: 24px;
  background: #f1ece2;
  border-top: 1px solid rgba(15, 16, 18, 0.08);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.footer a {
  color: var(--muted);
  text-decoration: none;
}

.footer-note {
  color: var(--muted);
  font-size: 0.85rem;
}

.toast {
  position: fixed;
  top: 18px;
  right: 18px;
  background: #ffffff;
  color: var(--text);
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid rgba(31, 79, 143, 0.18);
  box-shadow: 0 16px 30px var(--shadow);
  font-weight: 600;
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 100;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  .timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .nav-links {
    position: absolute;
    right: 0;
    top: 64px;
    background: var(--surface);
    padding: 16px;
    flex-direction: column;
    align-items: flex-start;
    border-radius: 16px;
    box-shadow: 0 20px 40px var(--shadow);
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
    transition: all 0.2s ease;
    border: 1px solid rgba(15, 16, 18, 0.08);
  }

  .nav-links.open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .nav-toggle {
    display: inline-block;
  }
}

@media (max-width: 640px) {
  .timeline {
    grid-template-columns: 1fr;
  }

  .hero-meta {
    flex-direction: column;
  }

  .project-header {
    flex-direction: column;
    align-items: flex-start;
  }
}