/* ===================================================================
   BLACKDRIVE RASINAR STUDIOS — Design System
   Palette:
     --void      #060a1a  (background)
     --void-2    #0b1130  (panel background)
     --cyan      #1be7ff  (primary accent)
     --magenta   #ff2f9e  (secondary accent)
     --violet    #8b5cf6  (tertiary accent)
     --gold      #ffcb3d  (highlight accent)
     --ink       #eaf2ff  (primary text)
     --ink-dim   #8b96c2  (muted text)
   Type:
     Display — Orbitron (headlines, wordmarks)
     Body    — Rajdhani (paragraphs, UI copy)
     Mono    — Share Tech Mono (labels, coordinates, data)
=================================================================== */

:root{
  --void: #060a1a;
  --void-2: #0b1130;
  --void-3: #10173d;
  --cyan: #1be7ff;
  --magenta: #ff2f9e;
  --violet: #8b5cf6;
  --gold: #ffcb3d;
  --ink: #eaf2ff;
  --ink-dim: #8b96c2;
  --border: rgba(139, 150, 194, 0.18);
  --display: 'Orbitron', sans-serif;
  --body: 'Rajdhani', sans-serif;
  --mono: 'Share Tech Mono', monospace;
}

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

html{ scroll-behavior: smooth; }

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

body{
  margin: 0;
  background: var(--void);
  color: var(--ink);
  font-family: var(--body);
  font-size: 18px;
  line-height: 1.5;
  overflow-x: hidden;
}

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

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

::selection{ background: var(--magenta); color: var(--void); }

:focus-visible{
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.container{
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px;
}

.eyebrow{
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--cyan);
}

h1, h2, h3{
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: 0.01em;
  margin: 0;
}

p{ margin: 0; }

/* ---------- Starfield backdrop ---------- */
#starfield{
  position: fixed;
  inset: 0;
  z-index: -2;
  background: var(--void);
}

.grid-horizon{
  position: fixed;
  left: 0; right: 0; bottom: 0;
  height: 45vh;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(to top, rgba(6,10,26,1) 0%, rgba(6,10,26,0) 55%),
    repeating-linear-gradient(to right, rgba(27,231,255,0.14) 0 1px, transparent 1px 60px),
    repeating-linear-gradient(to top, rgba(255,47,158,0.10) 0 1px, transparent 1px 40px);
  mask-image: linear-gradient(to top, black 0%, transparent 85%);
  -webkit-mask-image: linear-gradient(to top, black 0%, transparent 85%);
  transform: perspective(300px) rotateX(55deg);
  transform-origin: bottom;
  opacity: 0.55;
}

/* ---------- Nav ---------- */
.nav{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(6, 10, 26, 0.72);
  border-bottom: 1px solid var(--border);
}

.nav-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  max-width: 1180px;
  margin: 0 auto;
}

.brand{
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--display);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-mark{
  width: 34px; height: 34px;
  border-radius: 8px;
  background: conic-gradient(from 220deg, var(--cyan), var(--magenta), var(--violet), var(--cyan));
  display: grid;
  place-items: center;
  box-shadow: 0 0 18px rgba(27,231,255,0.45);
}

.brand-mark svg{ width: 18px; height: 18px; }

.brand small{
  display: block;
  font-family: var(--mono);
  font-weight: 400;
  letter-spacing: 0.25em;
  color: var(--ink-dim);
  font-size: 10px;
  margin-top: 2px;
}

.nav-links{
  display: flex;
  gap: 32px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav-links a{
  color: var(--ink-dim);
  position: relative;
  padding-bottom: 4px;
  transition: color 0.2s ease;
}
.nav-links a:hover{ color: var(--cyan); }
.nav-links a::after{
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--cyan);
  transition: width 0.25s ease;
}
.nav-links a:hover::after{ width: 100%; }

.nav-toggle{ display: none; }

/* ---------- Buttons ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 15px 30px;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn-primary{
  background: linear-gradient(135deg, rgba(27,231,255,0.16), rgba(27,231,255,0.05));
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 22px rgba(27,231,255,0.25);
}
.btn-primary:hover{ transform: translateY(-2px); box-shadow: 0 0 32px rgba(27,231,255,0.5); }

.btn-ghost{
  background: transparent;
  border-color: var(--border);
  color: var(--ink-dim);
}
.btn-ghost:hover{ border-color: var(--magenta); color: var(--magenta); }

/* ---------- Hero ---------- */
.hero{
  position: relative;
  padding: 96px 0 80px;
}

.hero-grid{
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.hero-copy .eyebrow{ margin-bottom: 18px; display: block; }

.hero-copy h1{
  font-size: clamp(38px, 5.4vw, 64px);
  line-height: 1.04;
  background: linear-gradient(120deg, var(--ink) 30%, var(--cyan) 70%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-copy h1 span{
  background: linear-gradient(120deg, var(--magenta), var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-copy .sub{
  margin-top: 22px;
  color: var(--ink-dim);
  font-size: 20px;
  max-width: 46ch;
}

.hero-actions{
  margin-top: 36px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-meta{
  margin-top: 44px;
  display: flex;
  gap: 34px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink-dim);
}

.hero-meta strong{
  display: block;
  font-family: var(--display);
  color: var(--ink);
  font-size: 20px;
  margin-bottom: 2px;
}

/* Phone mockup with radar signature */
.hero-visual{
  position: relative;
  display: grid;
  place-items: center;
  padding: 30px 0;
}

.radar{
  position: absolute;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  z-index: 0;
}
.radar::before, .radar::after{
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(27,231,255,0.22);
}
.radar::after{ inset: 60px; border-color: rgba(255,47,158,0.18); }

.radar-sweep{
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(from 0deg, rgba(27,231,255,0.35), transparent 32%);
  animation: spin 6s linear infinite;
  mix-blend-mode: screen;
}

@keyframes spin{ to{ transform: rotate(360deg); } }

.phone-frame{
  position: relative;
  z-index: 1;
  width: 260px;
  border-radius: 34px;
  padding: 10px;
  background: linear-gradient(160deg, #131a3d, #0a0e27);
  border: 1px solid rgba(139,150,194,0.35);
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.02) inset,
    0 30px 70px rgba(0,0,0,0.55),
    0 0 60px rgba(27,231,255,0.18);
}

.phone-frame img{
  border-radius: 24px;
  width: 100%;
}

.phone-notch{
  position: absolute;
  top: 22px; left: 50%;
  transform: translateX(-50%);
  width: 70px; height: 14px;
  border-radius: 10px;
  background: #05070f;
  z-index: 2;
}

/* ---------- Section shell ---------- */
section{ position: relative; padding: 84px 0; }

.section-head{
  max-width: 640px;
  margin: 0 0 48px;
}
.section-head .eyebrow{ margin-bottom: 14px; display:block; }
.section-head h2{ font-size: clamp(28px, 4vw, 40px); line-height: 1.15; }
.section-head p{ margin-top: 16px; color: var(--ink-dim); font-size: 18px; }

.divider{
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  border: none;
  margin: 0;
}

/* ---------- Feature grid ---------- */
.features{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.feature-card{
  padding: 26px 22px;
  border-radius: 14px;
  background: linear-gradient(180deg, var(--void-2), var(--void-3));
  border: 1px solid var(--border);
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.feature-card:hover{ transform: translateY(-6px); border-color: var(--cyan); }

.feature-icon{
  width: 42px; height: 42px;
  border-radius: 10px;
  display: grid; place-items: center;
  margin-bottom: 18px;
  font-size: 20px;
}
.feature-card:nth-child(1) .feature-icon{ background: rgba(27,231,255,0.12); color: var(--cyan); }
.feature-card:nth-child(2) .feature-icon{ background: rgba(255,47,158,0.12); color: var(--magenta); }
.feature-card:nth-child(3) .feature-icon{ background: rgba(255,203,61,0.12); color: var(--gold); }
.feature-card:nth-child(4) .feature-icon{ background: rgba(139,92,246,0.15); color: var(--violet); }

.feature-card h3{
  font-family: var(--display);
  font-size: 16px;
  letter-spacing: 0.03em;
  margin-bottom: 10px;
}
.feature-card p{ color: var(--ink-dim); font-size: 15.5px; }

/* ---------- Gallery ---------- */
.gallery{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.gallery-item{
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--void-2);
}

.gallery-item img{ width: 100%; transition: transform 0.4s ease; }
.gallery-item:hover img{ transform: scale(1.04); }

.gallery-cap{
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 14px 16px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
  background: linear-gradient(to top, rgba(6,10,26,0.92), transparent);
}

/* ---------- Download / CTA band ---------- */
.cta-band{
  border-radius: 22px;
  padding: 56px;
  background:
    radial-gradient(circle at 20% 20%, rgba(27,231,255,0.14), transparent 45%),
    radial-gradient(circle at 80% 80%, rgba(255,47,158,0.14), transparent 45%),
    var(--void-2);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.cta-band h2{ font-size: clamp(26px, 3.4vw, 36px); max-width: 20ch; }
.cta-band p{ color: var(--ink-dim); margin-top: 12px; max-width: 44ch; }

.store-badge{
  display: inline-flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 20px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink-dim);
}
.store-badge .dot{
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 10px var(--gold);
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse{ 0%,100%{ opacity: 1; } 50%{ opacity: 0.35; } }

/* ---------- Studio / about ---------- */
.about-grid{
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: center;
}

.studio-card{
  border-radius: 18px;
  border: 1px solid var(--border);
  background: var(--void-2);
  padding: 34px;
}

.studio-card .brand-mark{ width: 52px; height: 52px; margin-bottom: 20px; }
.studio-card .brand-mark svg{ width: 26px; height: 26px; }

.studio-card h3{ font-size: 22px; margin-bottom: 10px; }
.studio-card p{ color: var(--ink-dim); }

.contact-list{
  margin-top: 26px;
  list-style: none;
  padding: 0;
  display: grid;
  gap: 14px;
  font-family: var(--mono);
  font-size: 14px;
}
.contact-list li{ display: flex; gap: 12px; color: var(--ink-dim); }
.contact-list li span:first-child{ color: var(--cyan); min-width: 90px; text-transform: uppercase; letter-spacing: 0.1em; font-size: 12px; }
.contact-list a:hover{ color: var(--cyan); }

/* ---------- Footer ---------- */
footer{
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
}
.footer-inner{
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}
.footer-links{
  display: flex;
  gap: 26px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.footer-links a:hover{ color: var(--magenta); }
.footer-copy{
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-dim);
  margin-top: 18px;
}

/* ---------- Privacy policy page ---------- */
.policy{
  padding: 140px 0 100px;
}
.policy-header{
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}
.policy-header h1{
  font-size: clamp(30px, 4.4vw, 46px);
}
.policy-header p{
  margin-top: 14px;
  color: var(--ink-dim);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.06em;
}

.policy-body h2{
  font-size: 20px;
  margin-top: 44px;
  margin-bottom: 14px;
  color: var(--cyan);
  letter-spacing: 0.02em;
}
.policy-body h2:first-child{ margin-top: 0; }
.policy-body p, .policy-body li{
  color: var(--ink-dim);
  font-size: 16.5px;
  line-height: 1.7;
}
.policy-body ul{ padding-left: 22px; margin: 10px 0; display: grid; gap: 8px; }
.policy-body a{ color: var(--cyan); border-bottom: 1px solid rgba(27,231,255,0.35); }
.policy-body strong{ color: var(--ink); }

.toc{
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 26px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.toc a{ color: var(--ink-dim); }
.toc a:hover{ color: var(--magenta); }

/* ---------- Responsive ---------- */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-visual{ order: -1; }
  .about-grid{ grid-template-columns: 1fr; }
  .features{ grid-template-columns: repeat(2, 1fr); }
  .gallery{ grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px){
  .nav-links{
    position: fixed;
    top: 68px; left: 0; right: 0;
    flex-direction: column;
    background: rgba(6,10,26,0.98);
    border-bottom: 1px solid var(--border);
    padding: 24px 28px;
    gap: 20px;
    transform: translateY(-140%);
    transition: transform 0.3s ease;
  }
  .nav-links.open{ transform: translateY(0); }
  .nav-toggle{
    display: block;
    background: none;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--ink);
    width: 40px; height: 40px;
    font-size: 18px;
    cursor: pointer;
  }
  .features{ grid-template-columns: 1fr 1fr; }
  .gallery{ grid-template-columns: 1fr; }
  .cta-band{ flex-direction: column; align-items: flex-start; }
  .radar{ width: 320px; height: 320px; }
  .phone-frame{ width: 220px; }
}

@media (max-width: 460px){
  .features{ grid-template-columns: 1fr; }
}