/* ============================================================
   GDXYZ LLC — Homepage stylesheet
   Dark theme · Midnight Violet palette
   ============================================================ */

:root {
  --bg: #0D0F1A;
  --bg-2: #121526;
  --surface: #151827;
  --surface-2: #1C2033;
  --surface-3: #232741;
  --border: #272B40;
  --text: #E9EBF4;
  --muted: #A3A9C0;
  --faint: #6F7590;
  --accent: #7C5CFF;
  --accent-2: #FF5C8A;
  --accent-3: #C4B5FF;
  --on-accent: #0D0F1A;
  --glow: #7C5CFF;
  --font-display: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-size: 16px;
  font-family: var(--font-body);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: var(--accent-3);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Navigation : top-centered inline logo ---------- */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: #0D0F1A;
  border-bottom: 1px solid var(--border);
}

.site-nav .nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 72px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color: var(--muted);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

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

.nav-left {
  justify-content: flex-end;
  flex: 1 1 0;
}

.nav-right {
  flex: 1 1 0;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--text);
  padding: 6px 0;
}

.nav-logo span {
  color: var(--accent-2);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background-color: var(--accent);
  color: var(--on-accent);
  border-radius: 8px;
  font-weight: 700;
  font-size: 15px;
}

.nav-cta:hover {
  background-color: var(--accent-3);
  color: var(--on-accent);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 10px 12px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--text);
  margin: 5px 0;
  transition: 0.25s ease;
}

/* ---------- Hero : full-bleed band with overlay text ---------- */
.hero-band {
  position: relative;
  margin-top: 72px;
  min-height: 86vh;
  display: flex;
  align-items: center;
  padding: 96px 0 120px;
  background:
    radial-gradient(ellipse at 78% 20%, #2A1B5E 0%, rgba(13, 15, 26, 0) 55%),
    radial-gradient(ellipse at 12% 88%, #3A0F3E 0%, rgba(13, 15, 26, 0) 50%),
    linear-gradient(180deg, #14102B 0%, #0D0F1A 100%);
  overflow: hidden;
}

.hero-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(124, 92, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 92, 255, 0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
}

.hero-band .container {
  position: relative;
  z-index: 2;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border: 1px solid var(--accent);
  border-radius: 100px;
  color: var(--accent-3);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-band h1 {
  font-size: 58px;
  font-weight: 800;
  margin: 24px 0 22px;
  letter-spacing: -0.01em;
}

.hero-band h1 .grad {
  background: linear-gradient(90deg, var(--accent-3) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  font-size: 19px;
  color: var(--muted);
  max-width: 560px;
  margin-bottom: 34px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 28px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 16px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

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

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

.btn-primary:hover {
  background-color: var(--accent-3);
}

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

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent-3);
}

.hero-visual {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.hero-tile {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 26px 22px;
}

.hero-tile .num {
  font-size: 40px;
  font-weight: 800;
  color: var(--accent-3);
}

.hero-tile .label {
  font-size: 14px;
  color: var(--muted);
  margin-top: 6px;
}

.hero-tile.highlight {
  background: linear-gradient(140deg, var(--accent) 0%, var(--accent-2) 100%);
  border: none;
  grid-column: span 2;
}

.hero-tile.highlight .num,
.hero-tile.highlight .label {
  color: var(--on-accent);
}

/* ---------- Metrics strip ---------- */
.metrics-strip {
  background-color: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 48px 0;
}

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

.metric {
  text-align: center;
  padding: 8px 12px;
}

.metric .metric-value {
  font-size: 46px;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
}

.metric .metric-value .suffix {
  color: var(--accent-2);
}

.metric .metric-label {
  font-size: 15px;
  color: var(--muted);
  margin-top: 10px;
}

/* ---------- Services : numbered list ---------- */
.services-section {
  padding: 110px 0;
  background-color: var(--bg);
}

.section-head {
  margin-bottom: 64px;
}

.section-head .eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-3);
  margin-bottom: 14px;
}

.section-head h2 {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.section-head p {
  color: var(--muted);
  font-size: 17px;
  max-width: 640px;
  margin-top: 16px;
}

.service-row {
  display: grid;
  grid-template-columns: 96px 1fr 1fr;
  gap: 28px;
  align-items: center;
  padding: 34px 0;
  border-bottom: 1px solid var(--border);
}

.service-row:first-of-type {
  border-top: 1px solid var(--border);
}

.service-index {
  font-size: 30px;
  font-weight: 800;
  color: var(--accent);
}

.service-name {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
}

.service-desc {
  color: var(--muted);
  font-size: 15px;
}

/* ---------- Process timeline ---------- */
.process-section {
  padding: 110px 0;
  background-color: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  margin-top: 24px;
}

.timeline-step {
  position: relative;
  padding-top: 30px;
}

.timeline-step::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--border);
}

.timeline-step::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: var(--accent);
  box-shadow: 0 0 0 4px var(--surface);
}

.timeline-step .step-num {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--accent-2);
}

.timeline-step h3 {
  font-size: 19px;
  margin: 12px 0 10px;
}

.timeline-step p {
  font-size: 14px;
  color: var(--muted);
}

/* ---------- About : alternating columns ---------- */
.about-section {
  padding: 110px 0;
  background-color: var(--bg);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-panel {
  background:
    radial-gradient(ellipse at 20% 20%, #2A1B5E 0%, rgba(13, 15, 26, 0) 60%),
    linear-gradient(160deg, var(--surface-2) 0%, var(--surface) 100%);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 48px 40px;
}

.about-panel .big {
  font-size: 64px;
  font-weight: 800;
  line-height: 1;
  color: var(--accent-3);
  display: block;
  margin-bottom: 8px;
}

.about-panel .caption {
  color: var(--muted);
  font-size: 15px;
}

.about-list {
  list-style: none;
  margin-top: 24px;
  display: grid;
  gap: 16px;
}

.about-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  color: var(--muted);
  font-size: 16px;
}

.about-list li .tick {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background-color: var(--accent);
  color: var(--on-accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 14px;
}

/* ---------- Testimonial slider ---------- */
.voices-section {
  padding: 110px 0;
  background: linear-gradient(180deg, var(--surface) 0%, var(--bg) 100%);
  border-top: 1px solid var(--border);
}

.slider {
  position: relative;
  max-width: 820px;
  margin: 0 auto;
}

.slide {
  display: none;
  text-align: center;
  padding: 10px 8px;
}

.slide.active {
  display: block;
  animation: fadeSlide 0.5s ease;
}

@keyframes fadeSlide {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.slide blockquote {
  font-size: 24px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 28px;
}

.slide .attribution {
  font-size: 16px;
  color: var(--accent-3);
  font-weight: 700;
}

.slide .role {
  display: block;
  font-size: 14px;
  color: var(--muted);
  font-weight: 500;
  margin-top: 4px;
}

.slider-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-top: 36px;
}

.slider-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background-color: var(--surface);
  color: var(--text);
  cursor: pointer;
  font-size: 18px;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.slider-btn:hover {
  background-color: var(--accent);
  color: var(--on-accent);
  border-color: var(--accent);
}

.slider-dots {
  display: flex;
  gap: 10px;
}

.slider-dots button {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background-color: var(--border);
  cursor: pointer;
  padding: 0;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.slider-dots button.active {
  background-color: var(--accent);
  transform: scale(1.3);
}

/* ---------- Industries ---------- */
.industries-section {
  padding: 110px 0;
  background-color: var(--bg);
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.tag-cloud .tag {
  padding: 12px 22px;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 15px;
  color: var(--muted);
  font-weight: 600;
  background-color: var(--surface);
  transition: all 0.2s ease;
}

.tag-cloud .tag:hover {
  border-color: var(--accent);
  color: var(--accent-3);
  background-color: var(--surface-2);
}

/* ---------- Contact ---------- */
.contact-section {
  padding: 110px 0;
  background-color: var(--surface);
  border-top: 1px solid var(--border);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.contact-info .line {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 18px;
  font-size: 17px;
  color: var(--text);
}

.contact-info .line .ico {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background-color: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--accent-3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  flex-shrink: 0;
}

.contact-form {
  background-color: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px;
}

.contact-form .field {
  margin-bottom: 18px;
}

.contact-form label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 8px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background-color: var(--bg);
  color: var(--text);
  font-size: 16px;
  font-family: var(--font-body);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.contact-form textarea {
  min-height: 130px;
  resize: vertical;
}

.form-note {
  font-size: 13px;
  color: var(--faint);
  margin-top: 14px;
}

.form-success {
  display: none;
  margin-top: 14px;
  padding: 14px 18px;
  border-radius: 10px;
  background-color: #122A1E;
  color: #8BE0B0;
  border: 1px solid #1F4A33;
  font-size: 15px;
  font-weight: 600;
}

/* ---------- Footer : multi-column + newsletter band + watermark ---------- */
.site-footer {
  background-color: var(--bg);
  border-top: 1px solid var(--border);
}

.newsletter-band {
  padding: 56px 0;
  border-bottom: 1px solid var(--border);
  background-color: var(--surface);
}

.newsletter-band .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.newsletter-band h3 {
  font-size: 26px;
}

.newsletter-band p {
  color: var(--muted);
  font-size: 15px;
  margin-top: 6px;
}

.newsletter-form {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.newsletter-form input {
  min-width: 280px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background-color: var(--bg);
  color: var(--text);
  font-size: 16px;
}

.newsletter-form input:focus {
  outline: none;
  border-color: var(--accent);
}

.footer-cols {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding: 64px 0 48px;
}

.footer-cols .brand p {
  color: var(--muted);
  font-size: 15px;
  margin-top: 16px;
  max-width: 320px;
}

.footer-cols h4 {
  font-size: 15px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 18px;
}

.footer-cols ul {
  list-style: none;
}

.footer-cols ul li {
  margin-bottom: 12px;
}

.footer-cols ul a {
  color: var(--muted);
  font-size: 15px;
}

.footer-cols ul a:hover {
  color: var(--accent-3);
}

.footer-watermark {
  overflow: hidden;
  padding: 0 0 8px;
  line-height: 1;
  user-select: none;
  pointer-events: none;
}

.footer-watermark span {
  display: block;
  font-size: 13vw;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--surface-3);
  white-space: nowrap;
  text-align: center;
}

.footer-bottom {
  padding: 24px 0;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--faint);
}

.footer-bottom .legal-links {
  display: flex;
  gap: 22px;
}

.footer-bottom .legal-links a {
  color: var(--muted);
  font-size: 14px;
}

.footer-bottom .legal-links a:hover {
  color: var(--accent-3);
}

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-visual {
    max-width: 560px;
  }
  .service-row {
    grid-template-columns: 72px 1fr;
  }
  .service-desc {
    grid-column: 2;
  }
  .timeline {
    grid-template-columns: repeat(3, 1fr);
  }
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-cols {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .nav-toggle {
    display: block;
  }
  .site-nav .nav-inner {
    justify-content: space-between;
  }
  .site-nav.mobile-open .nav-inner {
    flex-wrap: wrap;
    height: auto;
    padding: 16px 24px;
  }
  .site-nav.mobile-open .nav-links {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    gap: 12px;
    padding: 16px 0;
    border-top: 1px solid var(--border);
  }
  .site-nav.mobile-open .nav-links a {
    font-size: 17px;
  }
  .nav-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .nav-toggle.open span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .hero-band {
    min-height: auto;
    padding: 64px 0 80px;
  }
  .hero-band h1 {
    font-size: 38px;
  }
  .hero-lead {
    font-size: 17px;
  }

  .section-head h2 {
    font-size: 30px;
  }

  .service-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .service-desc {
    grid-column: 1;
  }

  .timeline {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .slide blockquote {
    font-size: 19px;
  }

  .footer-cols {
    grid-template-columns: 1fr;
  }

  .newsletter-form input {
    min-width: 0;
    width: 100%;
  }
}