/* Base */

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

:root {
  --bg: #050509;
  --bg-elevated: rgba(15, 15, 25, 0.9);
  --glass-bg: rgba(20, 20, 35, 0.72);
  --accent: #6366f1;
  --accent-soft: rgba(99, 102, 241, 0.4);
  --accent-secondary: #7c3aed;
  --text: #f9fafb;
  --text-muted: #9ca3af;
  --border-subtle: rgba(148, 163, 184, 0.2);
  --shadow-soft: 0 24px 60px rgba(0, 0, 0, 0.75);
  --radius-lg: 18px;
  --radius-xl: 28px;
  --nav-height: 72px;
  --transition-fast: 180ms ease-out;
  --transition-med: 260ms ease;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Inter", "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #111827 0, #020617 35%, #000 90%);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

/* Layout */

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0;
}

.section {
  padding: 4rem 0;
}

.section-header {
  text-align: left;
  max-width: 640px;
  margin-bottom: 2.5rem;
}

.section-header h2 {
  font-size: 1.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text);
}

.section-header p {
  margin-top: 0.75rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Header / Nav */

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: linear-gradient(
    to bottom,
    rgba(5, 5, 15, 0.96),
    rgba(5, 5, 15, 0.8),
    transparent
  );
  border-bottom: 1px solid rgba(31, 41, 55, 0.9);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  height: var(--nav-height);
}

.logo {
  display: inline-flex;
  align-items: center;
  margin-left: 0;
}

.logo img {
  height: 35px;
  width: auto;
  margin-left: 0.25px;
  display: block;
}

.logo-text {
  margin-left: 0.40rem;
  font-size: 1.5 rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;  
  color: #e5e7eb;
}

.logo-footer {
  margin-left: 1.2 rem;
  flex-direction: column;
  align-items: flex-start;
}

.logo-footer .logo-text {
  margin-left: 0;
  margin-top: 0.1 rem;
  font-size: 1.5 rem;
  letter-spacing: 0.16em;
}

.nav {
  position: relative;
  margin-left: auto;
}

.nav-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: none;
}

.nav-links li {
  margin: 0.25rem 0;
}

.nav-links a {
  text-decoration: none;
  font-size: 0.9rem;
  color: var(--text-muted);
  padding: 0.4rem 0.3rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -0.15rem;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-secondary));
  border-radius: 999px;
  transition: width var(--transition-fast);
}

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

.nav-links a:hover::after {
  width: 100%;
}

/* Nav CTA */

.nav-cta {
  padding-inline: 1.4rem;
  border-radius: 999px;
}

/* Mobile nav toggle */

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(55, 65, 81, 0.9);
  background: radial-gradient(circle at top, rgba(30, 64, 175, 0.4), #020617);
  cursor: pointer;
  padding: 0;
  gap: 5px;
  transition: background var(--transition-fast), border-color var(--transition-fast),
    transform 120ms ease-out;
}

.nav-toggle:hover {
  transform: translateY(-1px);
  border-color: rgba(99, 102, 241, 0.9);
}

.nav-toggle-line {
  width: 18px;
  height: 1.7px;
  background: #e5e7eb;
  border-radius: 999px;
  transition: transform 160ms ease, opacity 160ms ease;
}

.nav-open .nav-toggle-line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.nav-open .nav-toggle-line:nth-child(2) {
  opacity: 0;
}
.nav-open .nav-toggle-line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Mobile nav menu */

.nav-links {
  position: absolute;
  right: 0;
  top: calc(var(--nav-height) - 0.25rem);
  width: min(260px, 80vw);
  background: radial-gradient(circle at top left, rgba(37, 99, 235, 0.18), transparent)
      0 0 / 200% 200% no-repeat,
    rgba(15, 23, 42, 0.98);
  border-radius: 18px;
  border: 1px solid rgba(55, 65, 81, 0.9);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.82);
  padding: 0.9rem 1.1rem 1.05rem;
  transform: translateY(12px) translateX(16px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 190ms ease-out, transform 190ms ease-out;
}

.nav-open .nav-links {
  display: block;
  opacity: 1;
  pointer-events: auto;
  transform: translateY(10px) translateX(0);
}

/* Hero */

.hero {
  position: relative;
  padding: 4.5rem 0 3.5rem;
  overflow: hidden;
}

.hero-gradient {
  position: absolute;
  inset: -40%;
  background:
    radial-gradient(circle at top left, rgba(79, 70, 229, 0.4), transparent 55%),
    radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.45), transparent 55%),
    radial-gradient(circle at 85% 20%, rgba(236, 72, 153, 0.36), transparent 55%);
  opacity: 0.9;
  mix-blend-mode: screen;
  filter: blur(12px);
  animation: heroGlow 14s ease-in-out infinite alternate;
  pointer-events: none;
}

@keyframes heroGlow {
  0% {
    transform: translate3d(-12px, 6px, 0) scale(1);
  }
  50% {
    transform: translate3d(6px, -8px, 0) scale(1.05);
  }
  100% {
    transform: translate3d(10px, 4px, 0) scale(1.02);
  }
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-text {
  max-width: 640px;
}

.hero h1 {
  font-size: 2.1rem;
  line-height: 1.15;
  letter-spacing: 0.02em;
  margin-bottom: 1rem;
  text-wrap: balance;
}

.hero p {
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.8rem;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.5rem;
  border-radius: 999px;
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 120ms ease-out, box-shadow var(--transition-fast),
    background var(--transition-fast), border-color var(--transition-fast),
    color var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: radial-gradient(circle at top left, #6366f1, #4f46e5);
  color: #f9fafb;
  box-shadow: 0 18px 45px rgba(79, 70, 229, 0.6);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 22px 55px rgba(79, 70, 229, 0.72);
}

.btn-outline {
  background: rgba(15, 23, 42, 0.8);
  border-color: rgba(148, 163, 184, 0.35);
  color: var(--text);
}

.btn-outline:hover {
  background: rgba(15, 23, 42, 0.98);
  border-color: rgba(148, 163, 184, 0.65);
}

/* Glass cards */

.card {
  border-radius: var(--radius-lg);
  padding: 1.4rem 1.5rem;
  border: 1px solid var(--border-subtle);
  position: relative;
  overflow: hidden;
}

.glass {
  background: linear-gradient(
      135deg,
      rgba(15, 23, 42, 0.96),
      rgba(15, 23, 42, 0.86)
    );
  backdrop-filter: blur(26px);
  box-shadow: var(--shadow-soft);
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at top left,
    rgba(129, 140, 248, 0.35),
    transparent 60%
  );
  opacity: 0;
  mix-blend-mode: screen;
  transition: opacity var(--transition-med);
  pointer-events: none;
}

.card:hover::before {
  opacity: 1;
}

.card h3 {
  margin-top: 0;
  margin-bottom: 0.6rem;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.card p {
  margin-top: 0.4rem;
  margin-bottom: 0;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
}

.card-meta {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #6b7280;
}

/* Services */

.services-section {
  padding-top: 3rem;
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.3rem;
}

/* Case Studies */

.case-section {
  padding-top: 3rem;
}

.case-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
}

/* About */

.about-section {
  padding-top: 3rem;
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr);
  gap: 2.2rem;
}

.about-main p {
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 0.9rem;
}

.about-meta {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.1rem;
}

.values-list {
  list-style: none;
  padding: 0;
  margin: 0.6rem 0 0;
  display: grid;
  gap: 0.45rem;
}

.values-list li {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Contact */

.contact-section {
  padding-top: 3.2rem;
  padding-bottom: 4rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr);
  gap: 2rem;
}

.contact-main h2 {
  font-size: 1.6rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.contact-main p {
  color: var(--text-muted);
  max-width: 520px;
  line-height: 1.7;
}

.contact-btn {
  margin-top: 1.5rem;
  padding-inline: 2.1rem;
  font-size: 0.95rem;
}

.contact-info .card p {
  margin: 0.35rem 0;
}

.contact-info .card span {
  color: #d1d5db;
  font-weight: 500;
}

/* Contact form */

.contact-form {
  margin-top: 2rem;
  max-width: 100%;
}

.contact-form .form-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  margin-bottom: 1rem;
}

.contact-form .form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.contact-form label {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #e5e7eb;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border-radius: 10px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  background: rgba(15, 23, 42, 0.9);
  color: var(--text);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast),
    background var(--transition-fast);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(148, 163, 184, 0.9);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(129, 140, 248, 0.7);
  background: rgba(15, 23, 42, 0.98);
}

.contact-form textarea {
  resize: vertical;
  min-height: 140px;
}

.contact-form .btn-primary {
  margin-top: 0.5rem;
  width: fit-content;
}

/* Footer */

.footer {
  border-top: 1px solid rgba(31, 41, 55, 0.95);
  padding-top: 1.7rem;
  background: radial-gradient(
      circle at top,
      rgba(15, 23, 42, 0.9),
      rgba(15, 23, 42, 1)
    ),
    #020617;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.7rem;
  align-items: flex-start;
}

.footer-links h4,
.footer-social h4 {
  margin: 0 0 0.7rem;
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #9ca3af;
}

.footer-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.25rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--text);
}

.footer-social .social-icons {
  display: flex;
  gap: 0.5rem;
}

.social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  border: 1px solid rgba(55, 65, 81, 0.95);
  background: radial-gradient(circle at top left, rgba(37, 99, 235, 0.45), #020617);
  color: #e5e7eb;
  transition: transform 130ms ease-out, box-shadow var(--transition-fast),
    border-color var(--transition-fast), background var(--transition-fast),
    color var(--transition-fast);
}

.social-icon:hover {
  transform: translateY(-1px);
  border-color: rgba(129, 140, 248, 0.9);
  box-shadow: 0 14px 36px rgba(15, 23, 42, 0.9);
}

.social-icon svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
}

.social-icon:nth-child(1) svg rect {
  stroke: none;
  fill: currentColor;
}
.social-icon:nth-child(3) svg rect {
  stroke: none;
  fill: none;
}
.social-icon:nth-child(1) svg circle:nth-of-type(1) {
  stroke: none;
  fill: #020617;
}
.social-icon:nth-child(1) svg circle:nth-of-type(2) {
  stroke: none;
  fill: #020617;
}

.footer-bottom {
  border-top: 1px solid rgba(31, 41, 55, 0.9);
  margin-top: 1.8rem;
  padding: 1rem 0 1.4rem;
  text-align: center;
}

.footer-bottom p {
  margin: 0;
  font-size: 0.82rem;
  color: #6b7280;
}

/* Animations: fade-in on scroll */

.fade-in {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 480ms ease-out, transform 480ms ease-out;
}

.fade-in.appear {
  opacity: 1;
  transform: translateY(0);
}

/* Page content (terms/privacy) */

.page-hero {
  padding: 3.2rem 0 2rem;
  border-bottom: 1px solid rgba(31, 41, 55, 0.9);
}

.page-hero h1 {
  font-size: 1.8rem;
  margin-bottom: 0.6rem;
}

.page-hero p {
  color: var(--text-muted);
  max-width: 640px;
  line-height: 1.6;
}

.page-content {
  padding: 2.5rem 0 3.5rem;
}

.legal-section {
  margin-bottom: 1.9rem;
  max-width: 760px;
}

.legal-section h2 {
  font-size: 1.1rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #e5e7eb;
  margin-bottom: 0.55rem;
}

.legal-section p,
.legal-section ul {
  color: var(--text-muted);
  line-height: 1.7;
  font-size: 0.95rem;
}

.legal-section ul {
  padding-left: 1.1rem;
  margin: 0.4rem 0 0;
}

.legal-section li {
  margin-bottom: 0.25rem;
}

/* Responsive */

@media (min-width: 640px) {
  .hero {
    padding: 5rem 0 4.5rem;
  }

  .hero h1 {
    font-size: 2.6rem;
  }

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

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

  .about-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1.1fr);
    align-items: flex-start;
  }

  .about-meta {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-hero {
    padding-top: 4rem;
    padding-bottom: 2.4rem;
  }

  .page-hero h1 {
    font-size: 2.1rem;
  }

  .page-content {
    padding: 3.2rem 0 4.2rem;
  }
}

@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }

  .nav-links {
    position: static;
    display: flex !important;
    background: transparent;
    border: none;
    box-shadow: none;
    transform: none;
    opacity: 1;
    pointer-events: auto;
    padding: 0;
    width: auto;
    align-items: center;
    gap: 1.1rem;
  }

  .nav-links li {
    margin: 0;
  }

  .hero {
    padding-top: 5.3rem;
    padding-bottom: 5rem;
  }

  .hero h1 {
    font-size: 2.9rem;
  }

  .services-section,
  .case-section,
  .about-section,
  .contact-section {
    padding-top: 4.25rem;
  }

  .footer-grid {
    grid-template-columns: 1.1fr 1.1fr 1fr;
    align-items: center;
  }

  .footer-links {
    justify-self: center;
  }

  .footer-social {
    justify-self: flex-end;
    text-align: right;
  }
}

@media (min-width: 1024px) {
  .hero h1 {
    font-size: 3.1rem;
  }

  .services-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .about-meta {
    grid-template-columns: 1fr;
  }
}