/* =============================================
   QUANTUM POSSIBILITIES - STYLESHEET
   ============================================= */

/* ----------- RESET & BASE ----------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #07080f;
  --bg-2:      #0d0e1a;
  --bg-3:      #111224;
  --surface:   #141628;
  --border:    rgba(255,255,255,0.07);
  --text:      #e8eaf6;
  --text-2:    #9899b8;
  --text-3:    #5d5e7a;
  --accent:    #7c6dfa;
  --accent-2:  #5eead4;
  --glow:      rgba(124,109,250,0.25);
  --radius:    14px;
  --radius-sm: 8px;
  --shadow:    0 0 0 1px var(--border);
  --font:      'Space Grotesk', system-ui, sans-serif;
  --mono:      'Space Mono', monospace;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--accent); color: #fff; }

a { color: inherit; text-decoration: none; }

img, svg { display: block; }

/* ----------- TYPOGRAPHY ----------- */
h1 { font-size: clamp(2.8rem, 6vw, 5.5rem); font-weight: 700; line-height: 1.05; letter-spacing: -0.03em; }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 700; line-height: 1.1; letter-spacing: -0.02em; }
h3 { font-size: 1.25rem; font-weight: 600; letter-spacing: -0.01em; }
h4 { font-size: 0.875rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-3); }
p  { color: var(--text-2); }

.gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ----------- LAYOUT ----------- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 clamp(1.25rem, 5vw, 3rem); }

section { padding: clamp(5rem, 10vw, 8rem) 0; }

/* ----------- BUTTONS ----------- */
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: linear-gradient(135deg, var(--accent), #5a4ee0);
  color: #fff; font-family: var(--font); font-size: 0.95rem; font-weight: 600;
  padding: 0.8rem 1.75rem; border-radius: 50px; border: none; cursor: pointer;
  transition: var(--transition); position: relative; overflow: hidden;
  box-shadow: 0 0 30px var(--glow);
}
.btn-primary::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
  opacity: 0; transition: var(--transition);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 50px var(--glow), 0 8px 30px rgba(0,0,0,0.4); }
.btn-primary:hover::after { opacity: 1; }

.btn-ghost {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: transparent; color: var(--text); font-family: var(--font);
  font-size: 0.95rem; font-weight: 500;
  padding: 0.8rem 1.75rem; border-radius: 50px;
  border: 1px solid var(--border); cursor: pointer;
  transition: var(--transition);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); background: rgba(124,109,250,0.08); }

.btn-nav {
  display: inline-flex; align-items: center;
  background: rgba(124,109,250,0.12); color: var(--accent);
  font-size: 0.875rem; font-weight: 600; padding: 0.55rem 1.25rem;
  border-radius: 50px; border: 1px solid rgba(124,109,250,0.3);
  transition: var(--transition);
}
.btn-nav:hover { background: rgba(124,109,250,0.2); }

.btn-full { width: 100%; justify-content: center; }
.btn-icon { transition: transform var(--transition); }
.btn-primary:hover .btn-icon { transform: translateX(4px); }

/* ----------- LABELS ----------- */
.section-label {
  display: inline-block; font-family: var(--mono); font-size: 0.75rem;
  font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent); background: rgba(124,109,250,0.1);
  padding: 0.35rem 0.9rem; border-radius: 50px;
  border: 1px solid rgba(124,109,250,0.25); margin-bottom: 1.25rem;
}

/* ----------- NAV ----------- */
#nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background var(--transition), backdrop-filter var(--transition), box-shadow var(--transition);
  padding: 1.25rem 0;
}
#nav.scrolled {
  background: rgba(7,8,15,0.85); backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 1px 0 var(--border); padding: 0.9rem 0;
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 clamp(1.25rem, 5vw, 3rem);
  display: flex; align-items: center; gap: 2rem;
}
.logo {
  font-size: 1.35rem; font-weight: 700; letter-spacing: -0.03em;
  white-space: nowrap; flex-shrink: 0;
}
.logo-q { color: var(--accent); }
.logo-dot { color: var(--accent-2); }

.nav-links { display: flex; list-style: none; gap: 2rem; margin-left: auto; }
.nav-links a { font-size: 0.9rem; font-weight: 500; color: var(--text-2); transition: color var(--transition); }
.nav-links a:hover { color: var(--text); }

.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }

.mobile-menu {
  display: none; flex-direction: column; gap: 0;
  background: var(--bg-2); border-top: 1px solid var(--border);
  padding: 1rem clamp(1.25rem, 5vw, 3rem);
}
.mobile-menu a { padding: 0.75rem 0; font-size: 1rem; font-weight: 500; color: var(--text-2); border-bottom: 1px solid var(--border); }
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu.open { display: flex; }

@media (max-width: 768px) {
  .nav-links, .btn-nav { display: none; }
  .hamburger { display: flex; margin-left: auto; }
}

/* ----------- HERO ----------- */
#hero {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden; padding: 8rem 2rem 4rem;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(124,109,250,0.15) 0%, transparent 70%);
}

#particle-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  opacity: 0.6; pointer-events: none;
}

.hero-content {
  text-align: center; max-width: 820px;
  position: relative; z-index: 1;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--mono); font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent-2); background: rgba(94,234,212,0.08);
  padding: 0.4rem 1rem; border-radius: 50px;
  border: 1px solid rgba(94,234,212,0.25); margin-bottom: 1.5rem;
}

.hero-content h1 { margin-bottom: 1.5rem; }

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem); max-width: 600px;
  margin: 0 auto 2.5rem; color: var(--text-2);
}

.hero-cta { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

.scroll-indicator {
  position: absolute; bottom: 2.5rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
}
.scroll-line {
  width: 1px; height: 60px;
  background: linear-gradient(to bottom, transparent, var(--accent), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse { 0%,100%{opacity:0.3;transform:scaleY(0.5)} 50%{opacity:1;transform:scaleY(1)} }

/* ----------- SERVICES ----------- */
#services { background: var(--bg-2); }

.section-header { text-align: center; margin-bottom: 4rem; }
.section-sub { max-width: 480px; margin: 1rem auto 0; font-size: 1rem; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.25rem;
}
@media (max-width: 1040px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 680px)  { .services-grid { grid-template-columns: 1fr; } }

.service-card {
  position: relative; overflow: hidden;
  display: flex; flex-direction: column;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  cursor: default;
}
.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(124,109,250,0.4);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 0 1px rgba(124,109,250,0.15), inset 0 1px 0 rgba(255,255,255,0.05);
}
.card-glow {
  position: absolute; top: -60px; right: -60px; width: 180px; height: 180px;
  background: radial-gradient(circle, var(--glow), transparent 70%);
  opacity: 0; transition: opacity 0.4s ease; pointer-events: none;
}
.service-card:hover .card-glow { opacity: 1; }

.card-icon {
  width: 52px; height: 52px; color: var(--accent); margin-bottom: 1.25rem;
  background: rgba(124,109,250,0.1); border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center; padding: 10px;
  border: 1px solid rgba(124,109,250,0.2);
}
.card-icon svg { width: 100%; height: 100%; }

.service-card h3 { margin-bottom: 0.75rem; }
.service-card > p { font-size: 0.9rem; margin-bottom: 1.25rem; }

.card-features { list-style: none; margin-bottom: 1.5rem; }
.card-features li {
  font-size: 0.85rem; color: var(--text-3); padding: 0.35rem 0;
  border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 0.6rem;
}
.card-features li::before { content: '›'; color: var(--accent); font-weight: 700; }
.card-features li:last-child { border-bottom: none; }

.card-tag {
  position: absolute; top: 2rem; right: 2rem;
  font-family: var(--mono); font-size: 0.65rem; font-weight: 700;
  letter-spacing: 0.12em; color: var(--accent-2);
  background: rgba(94,234,212,0.08); border: 1px solid rgba(94,234,212,0.22);
  border-radius: 50px; padding: 0.25rem 0.6rem;
}

.card-link { margin-top: auto; align-self: flex-start; font-size: 0.875rem; font-weight: 600; color: var(--accent); transition: gap var(--transition); }
.card-link:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ----------- ABOUT ----------- */
#about { background: var(--bg); }

.about-inner {
  display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center;
}
@media (max-width: 900px) { .about-inner { grid-template-columns: 1fr; gap: 3rem; } }

.about-visual {
  position: relative; display: flex; align-items: center; justify-content: center;
  min-height: 380px;
}

.about-orb {
  width: 260px; height: 260px; border-radius: 50%;
  background: radial-gradient(circle, rgba(124,109,250,0.25) 0%, rgba(94,234,212,0.1) 50%, transparent 70%);
  position: absolute;
  animation: orbFloat 6s ease-in-out infinite;
  box-shadow: 0 0 80px rgba(124,109,250,0.2);
}
@keyframes orbFloat {
  0%,100%{transform:translateY(0) scale(1)} 50%{transform:translateY(-16px) scale(1.04)}
}

.about-grid-art {
  display: grid; grid-template-columns: repeat(5, 40px); grid-template-rows: repeat(5, 40px);
  gap: 24px; position: relative; z-index: 1;
}
.grid-node {
  grid-column: var(--c); grid-row: var(--r);
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--border); border: 1px solid var(--border);
  justify-self: center; align-self: center;
  animation: nodePulse 4s ease-in-out infinite;
  animation-delay: calc(var(--r) * 300ms + var(--c) * 200ms);
}
.grid-node.active {
  background: var(--accent); border-color: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}
@keyframes nodePulse {
  0%,100%{opacity:0.3;transform:scale(0.8)} 50%{opacity:1;transform:scale(1.2)}
}

.about-text h2 { margin-bottom: 1.25rem; }
.about-text > p { margin-bottom: 1rem; font-size: 1rem; }

.about-pillars { display: flex; flex-direction: column; gap: 1.25rem; margin-top: 2rem; }
.pillar { display: flex; gap: 1rem; align-items: flex-start; }
.pillar-icon { font-size: 1.25rem; flex-shrink: 0; margin-top: 2px; }
.pillar strong { display: block; font-size: 0.95rem; margin-bottom: 0.25rem; }
.pillar p { font-size: 0.875rem; }

/* ----------- PROCESS ----------- */
#process { background: var(--bg-2); }

.process-steps {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: start;
  margin-top: 3rem;
}

.process-step {
  padding: 2rem 1.5rem;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); position: relative;
  transition: var(--transition);
}
.process-step:hover { border-color: rgba(124,109,250,0.4); transform: translateY(-3px); }

.step-num {
  font-family: var(--mono); font-size: 0.75rem; font-weight: 700;
  color: var(--accent); letter-spacing: 0.1em; margin-bottom: 1rem;
  background: rgba(124,109,250,0.1); display: inline-block;
  padding: 0.25rem 0.6rem; border-radius: var(--radius-sm);
}
.process-step h3 { margin-bottom: 0.75rem; }
.process-step p { font-size: 0.875rem; }

.process-connector {
  width: 3rem; align-self: center;
  display: flex; align-items: center; justify-content: center;
}
.process-connector::before {
  content: ''; display: block; width: 100%; height: 1px;
  background: linear-gradient(90deg, var(--border), var(--accent), var(--border));
}

/* Tablet: 2×2 grid, hide connectors */
@media (max-width: 900px) {
  .process-steps {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
  .process-connector { display: none; }
}

/* Mobile: single column */
@media (max-width: 540px) {
  .process-steps { grid-template-columns: 1fr; }
}

/* ----------- CONTACT ----------- */
#contact { background: var(--bg); }

.contact-inner {
  display: grid; grid-template-columns: 1fr 1.3fr; gap: 5rem; align-items: start;
}
@media (max-width: 900px) { .contact-inner { grid-template-columns: 1fr; gap: 3rem; } }

.contact-info h2 { margin-bottom: 1rem; }
.contact-info > p { margin-bottom: 2rem; }

.contact-details { display: flex; flex-direction: column; gap: 1rem; }
.contact-item { display: flex; align-items: center; gap: 0.75rem; font-size: 0.9rem; color: var(--text-2); }
.contact-icon { width: 36px; height: 36px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; background: rgba(124,109,250,0.1); border-radius: var(--radius-sm); border: 1px solid var(--border); }
.contact-icon svg { width: 16px; height: 16px; color: var(--accent); }

/* FORM */
.contact-form {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2.5rem; display: flex; flex-direction: column; gap: 1.25rem;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }

.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label { font-size: 0.8rem; font-weight: 600; color: var(--text-3); letter-spacing: 0.04em; }

input, select, textarea {
  background: var(--bg-3); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 0.75rem 1rem; font-family: var(--font); font-size: 0.9rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%; outline: none;
}
input::placeholder, textarea::placeholder { color: var(--text-3); }
input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(124,109,250,0.15);
}
select { appearance: none; cursor: pointer; }
select option { background: var(--bg-2); }
textarea { resize: vertical; min-height: 120px; }

.form-note { font-size: 0.8rem; color: var(--text-3); text-align: center; margin-top: -0.5rem; }

.form-success {
  display: none; background: rgba(94,234,212,0.1); border: 1px solid rgba(94,234,212,0.3);
  color: var(--accent-2); border-radius: var(--radius-sm); padding: 1rem;
  text-align: center; font-size: 0.9rem; font-weight: 600;
}
.form-success.show { display: block; }

/* ----------- FOOTER ----------- */
#footer {
  background: var(--bg-2); border-top: 1px solid var(--border);
  padding: 4rem 0 0;
}

.footer-inner {
  display: flex; justify-content: space-between; gap: 3rem;
  flex-wrap: wrap; padding-bottom: 3rem;
}

.footer-brand .logo { font-size: 1.25rem; margin-bottom: 0.75rem; display: inline-block; }
.footer-brand p { font-size: 0.875rem; color: var(--text-3); line-height: 1.7; }

.footer-links { display: flex; gap: 4rem; flex-wrap: wrap; }

.footer-col { display: flex; flex-direction: column; gap: 0.75rem; }
.footer-col h4 { margin-bottom: 0.25rem; }
.footer-col a { font-size: 0.875rem; color: var(--text-3); transition: color var(--transition); }
.footer-col a:hover { color: var(--text); }

.footer-bottom {
  border-top: 1px solid var(--border); padding: 1.5rem clamp(1.25rem, 5vw, 3rem);
  text-align: center;
}
.footer-bottom p { font-size: 0.8rem; color: var(--text-3); }

/* ----------- REVEAL ANIMATIONS ----------- */
.reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
[data-delay="100"] { transition-delay: 0.1s !important; }
[data-delay="200"] { transition-delay: 0.2s !important; }
[data-delay="300"] { transition-delay: 0.3s !important; }

/* ----------- SCROLLBAR ----------- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-3); }