/* =========================================================
   FuturestaQ AI Solutions — Stylesheet
   ========================================================= */

:root {
  --bg: #07111F;
  --card: #101C2D;
  --primary: #2563EB;
  --accent: #06B6D4;
  --text: #FFFFFF;
  --muted: #CBD5E1;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-soft: 0 20px 60px -20px rgba(0, 0, 0, 0.55);
  --shadow-card: 0 10px 30px -12px rgba(0, 0, 0, 0.45);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --max-width: 1200px;
  --transition: 220ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset */
* , *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3, h4 { margin: 0; font-weight: 700; letter-spacing: -0.02em; }
p { margin: 0; }

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}

.section {
  padding: 120px 0;
  position: relative;
}
.section-head {
  max-width: 640px;
  margin: 0 auto 64px;
  text-align: center;
}
.section-head h2 {
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.15;
}
.section-head p {
  color: var(--muted);
  font-size: 18px;
  margin-top: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  box-shadow: 0 10px 30px -8px rgba(37, 99, 235, 0.55);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px -10px rgba(6, 182, 212, 0.55);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border);
  color: var(--text);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
}
.btn-sm { padding: 10px 18px; font-size: 14px; }

/* =========================================================
   Navigation
   ========================================================= */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: background var(--transition), border-color var(--transition), padding var(--transition);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(7, 17, 31, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
  padding: 12px 0;
}
.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
}
.nav-logo .mark {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: grid;
  place-items: center;
  font-size: 14px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  font-size: 15px;
  color: var(--muted);
}
.nav-links a { transition: color var(--transition); }
.nav-links a:hover { color: var(--text); }
.nav-actions { display: flex; align-items: center; gap: 16px; }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  width: 40px;
  height: 40px;
  border-radius: 10px;
  align-items: center;
  justify-content: center;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: "";
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  position: relative;
  transition: var(--transition);
}
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }

/* =========================================================
   Hero
   ========================================================= */
.hero {
  position: relative;
  padding: 200px 0 140px;
  overflow: hidden;
  min-height: 92vh;
  display: flex;
  align-items: center;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(60% 50% at 20% 15%, rgba(37, 99, 235, 0.35), transparent 60%),
    radial-gradient(50% 45% at 85% 20%, rgba(6, 182, 212, 0.25), transparent 60%),
    radial-gradient(70% 60% at 50% 100%, rgba(37, 99, 235, 0.18), transparent 60%);
  animation: heroDrift 18s ease-in-out infinite alternate;
}
@keyframes heroDrift {
  0% { transform: scale(1) translate(0, 0); }
  100% { transform: scale(1.08) translate(-1.5%, 1.5%); }
}
#hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0.55;
}
.hero .container {
  position: relative;
  z-index: 2;
  text-align: center;
}
.hero-lines {
  font-size: clamp(30px, 4.6vw, 40px);
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 24px;
  line-height: 1.4;
}
.hero-lines strong { color: var(--text); }
.hero h1 {
  font-size: clamp(38px, 6.5vw, 76px);
  line-height: 1.05;
  max-width: 920px;
  margin: 0 auto 24px;
  background: linear-gradient(180deg, #fff 20%, var(--muted));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-sub {
  max-width: 620px;
  margin: 0 auto 40px;
  font-size: 19px;
  color: var(--muted);
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* =========================================================
   Stats
   ========================================================= */
.stats {
  padding: 64px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  position: relative;
  z-index: 2;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat h3 {
  font-size: clamp(30px, 4vw, 44px);
  background: linear-gradient(135deg, var(--text), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat p {
  color: var(--muted);
  margin-top: 6px;
  font-size: 14px;
  letter-spacing: 0.02em;
}
.stats-grid .stat:not(:last-child) { border-right: 1px solid var(--border); }

/* =========================================================
   Problems
   ========================================================= */
.problems-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 900px;
  margin: 0 auto 48px;
}
.problem-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  color: var(--muted);
}
.problem-item .box {
  width: 16px;
  height: 16px;
  border: 1.5px solid var(--accent);
  border-radius: 4px;
  flex-shrink: 0;
}
.problems-arrow {
  text-align: center;
  color: var(--accent);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
}

/* =========================================================
   Solutions Grid
   ========================================================= */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.solution-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}
.solution-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(120px 120px at 0% 0%, rgba(37, 99, 235, 0.18), transparent 70%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}
.solution-card:hover {
  transform: translateY(-6px);
  border-color: rgba(6, 182, 212, 0.4);
  box-shadow: var(--shadow-soft);
}
.solution-card:hover::before { opacity: 1; }
.solution-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.25), rgba(6, 182, 212, 0.25));
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  color: var(--accent);
}
.solution-card h3 {
  font-size: 19px;
  margin-bottom: 10px;
}
.solution-card p {
  color: var(--muted);
  font-size: 15px;
  margin-bottom: 18px;
}
.solution-outcome {
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.card-link {
  margin-top: 18px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  transition: gap var(--transition), color var(--transition);
}
.card-link:hover { gap: 10px; color: var(--accent); }

/* =========================================================
   Workflow diagram
   ========================================================= */
.workflow {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.workflow-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.workflow-step {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  position: relative;
}
.workflow-step.highlight {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.18), rgba(6, 182, 212, 0.14));
  border-color: rgba(6, 182, 212, 0.4);
  font-weight: 700;
}
.workflow-connector {
  height: 28px;
  width: 2px;
  background: linear-gradient(var(--primary), var(--accent));
  margin-left: 26px;
  opacity: 0.6;
}
.workflow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}
.workflow-illustration {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  overflow: hidden;
}
.workflow-illustration svg { width: 80%; height: 80%; }

/* =========================================================
   Why FuturestaQ
   ========================================================= */
.why-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.why-col {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
}
.why-col .num {
  font-size: 13px;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
  display: block;
}
.why-col h3 { font-size: 20px; margin-bottom: 10px; }
.why-col p { color: var(--muted); font-size: 15px; }
.why-arrow {
  text-align: center;
  color: var(--muted);
  font-size: 20px;
  display: none;
}
.why-not {
  margin-top: 48px;
  text-align: center;
  color: var(--muted);
  font-size: 15px;
}
.why-not .tags {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin: 16px 0;
  flex-wrap: wrap;
}
.why-not .tags span {
  padding: 8px 16px;
  border: 1px dashed var(--border);
  border-radius: 999px;
  text-decoration: line-through;
  opacity: 0.5;
  font-size: 13px;
}

/* =========================================================
   Industries
   ========================================================= */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.industry-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 28px 20px;
  text-align: center;
  transition: transform var(--transition), border-color var(--transition);
}
.industry-card:hover {
  transform: translateY(-4px);
  border-color: rgba(37, 99, 235, 0.4);
}
.industry-card .icon {
  width: 40px;
  height: 40px;
  margin: 0 auto 14px;
  color: var(--accent);
}
.industry-card span { font-size: 15px; font-weight: 600; }

/* =========================================================
   Engagement timeline
   ========================================================= */
.timeline {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  position: relative;
  gap: 12px;
}
.timeline::before {
  content: "";
  position: absolute;
  top: 22px;
  left: 5%;
  right: 5%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0.4;
}
.timeline-step {
  flex: 1;
  text-align: center;
  position: relative;
}
.timeline-step .dot {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--card);
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  margin: 0 auto 16px;
  font-weight: 700;
  color: var(--accent);
  position: relative;
  z-index: 1;
}
.timeline-step h4 { font-size: 16px; margin-bottom: 6px; }
.timeline-step p { font-size: 13px; color: var(--muted); }

/* =========================================================
   Tech stack marquee
   ========================================================= */
.tech-marquee {
  overflow: hidden;
  position: relative;
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.tech-track {
  display: flex;
  gap: 16px;
  width: max-content;
  animation: scrollTech 32s linear infinite;
}
@keyframes scrollTech {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.tech-pill {
  padding: 10px 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 14px;
  color: var(--muted);
  white-space: nowrap;
}

/* =========================================================
   Case studies
   ========================================================= */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.case-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform var(--transition), border-color var(--transition);
}
.case-card:hover { transform: translateY(-4px); border-color: rgba(6, 182, 212, 0.4); }
.case-tag {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
  display: block;
}
.case-card h3 { font-size: 18px; margin-bottom: 10px; }
.case-card p { color: var(--muted); font-size: 14px; }

/* =========================================================
   Testimonials
   ========================================================= */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}
.testimonial-card p.quote {
  font-size: 16px;
  color: var(--muted);
  font-style: italic;
  margin-bottom: 20px;
}
.testimonial-who {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial-who .avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
}
.testimonial-who strong { display: block; font-size: 14px; }
.testimonial-who span { font-size: 13px; color: var(--muted); }
.testimonial-placeholder-note {
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  margin-top: 24px;
  opacity: 0.7;
}

/* =========================================================
   FAQ
   ========================================================= */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  background: var(--card);
  overflow: hidden;
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 24px;
  background: none;
  border: none;
  color: var(--text);
  font-size: 16px;
  font-weight: 600;
  text-align: left;
}
.faq-question .plus {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  position: relative;
  margin-left: 16px;
}
.faq-question .plus::before, .faq-question .plus::after {
  content: "";
  position: absolute;
  background: var(--accent);
  transition: transform var(--transition);
}
.faq-question .plus::before { top: 50%; left: 0; width: 100%; height: 2px; transform: translateY(-50%); }
.faq-question .plus::after { left: 50%; top: 0; height: 100%; width: 2px; transform: translateX(-50%); }
.faq-item.open .plus::after { transform: translateX(-50%) rotate(90deg); opacity: 0; }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition), padding var(--transition);
  padding: 0 24px;
}
.faq-answer p { color: var(--muted); font-size: 15px; padding-bottom: 22px; }
.faq-item.open .faq-answer { max-height: 260px; }

/* =========================================================
   Final CTA
   ========================================================= */
.cta-final {
  text-align: center;
  padding: 140px 0;
  position: relative;
  overflow: hidden;
}
.cta-final::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(60% 60% at 50% 40%, rgba(37, 99, 235, 0.25), transparent 70%);
  z-index: 0;
}
.cta-final .container { position: relative; z-index: 1; }
.cta-final h2 {
  font-size: clamp(30px, 5vw, 52px);
  max-width: 700px;
  margin: 0 auto 20px;
}
.cta-final p {
  color: var(--muted);
  font-size: 18px;
  margin-bottom: 40px;
}

/* Sticky mobile CTA */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  background: rgba(7, 17, 31, 0.92);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--border);
  padding: 14px 20px;
  display: none;
  align-items: center;
  justify-content: center;
}
.sticky-cta .btn { width: 100%; }

/* =========================================================
   Footer
   ========================================================= */
.footer {
  padding: 64px 0 32px;
  border-top: 1px solid var(--border);
}
.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.footer-brand { max-width: 320px; }
.footer-brand p { color: var(--muted); font-size: 14px; margin-top: 14px; }
.footer-links {
  display: flex;
  gap: 64px;
  flex-wrap: wrap;
}
.footer-col h4 {
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}
.footer-col a, .footer-col span {
  display: block;
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 10px;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--muted);
  flex-wrap: wrap;
  gap: 12px;
}

/* =========================================================
   Scroll reveal
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 980px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); row-gap: 32px; }
  .stats-grid .stat:nth-child(2) { border-right: none; }
  .solutions-grid { grid-template-columns: repeat(2, 1fr); }
  .why-columns { grid-template-columns: 1fr; }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr; }
  .workflow { grid-template-columns: 1fr; gap: 40px; }
  .problems-list { grid-template-columns: repeat(2, 1fr); }
  .timeline { flex-wrap: wrap; }
  .timeline::before { display: none; }
  .timeline-step { flex-basis: 45%; margin-bottom: 32px; }
}
@media (max-width: 720px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    background: rgba(7, 17, 31, 0.98);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px 24px;
  }
  .nav-links.mobile-open { display: flex; }
  .nav-links a { padding: 10px 0; width: 100%; }
  .nav-toggle { display: flex; }
  .nav-actions .btn-primary.desktop-only { display: none; }
  .section { padding: 80px 0; }
  .hero { padding: 160px 0 100px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .solutions-grid { grid-template-columns: 1fr; }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .cases-grid { grid-template-columns: 1fr; }
  .problems-list { grid-template-columns: 1fr; }
  .timeline-step { flex-basis: 100%; }
  .footer-top { flex-direction: column; }
  .sticky-cta { display: flex; }
  body { padding-bottom: 74px; }
}