/* ============================================================
   VKedia — Main Stylesheet
   ============================================================ */

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

:root {
  --bg:        #08080f;
  --surface:   #101018;
  --card:      #14141f;
  --border:    #1e1e30;
  --text:      #f0f0f8;
  --sub:       #8888a8;
  --accent:    #7c6fff;
  --radius:    14px;
  --radius-sm: 8px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ── Navbar ── */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 5vw;
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8, 8, 15, 0.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, #7c6fff, #c06fff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

.nav-logo-sub {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  opacity: 0.9;
  display: block;
  margin-top: 1px;
  -webkit-text-fill-color: transparent;
  background: linear-gradient(90deg, #7c6fff, #c06fff);
  -webkit-background-clip: text;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--sub);
  transition: color 0.2s;
}

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

/* ── Buttons ── */
.btn {
  display: inline-block;
  padding: 0.7rem 1.6rem;
  border-radius: 9999px;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, #7c6fff, #c06fff);
  color: #fff;
}
.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }

.btn-ghost {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--sub); }

.btn-brand {
  background: color-mix(in srgb, var(--accent) 15%, transparent);
  color: var(--accent);
  border: 1.5px solid color-mix(in srgb, var(--accent) 30%, transparent);
  margin-top: auto;
}
.btn-brand:hover {
  background: color-mix(in srgb, var(--accent) 25%, transparent);
  transform: translateY(-1px);
}

.btn-lg { padding: 0.9rem 2.2rem; font-size: 1rem; }
.btn-full { width: 100%; }

/* ── Hero ── */
.hero {
  position: relative;
  padding: 7rem 5vw 5rem;
  text-align: center;
  overflow: hidden;
}

.hero-inner { position: relative; z-index: 1; max-width: 760px; margin: 0 auto; }

.hero-glow {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 500px;
  background: radial-gradient(ellipse, rgba(124,111,255,0.18) 0%, transparent 70%);
  pointer-events: none;
}

.patent-badge {
  display: inline-block;
  padding: 0.35rem 1rem;
  border-radius: 9999px;
  background: rgba(124,111,255,0.12);
  border: 1px solid rgba(124,111,255,0.3);
  color: #a89cff;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1.2rem;
}

.gradient-text {
  background: linear-gradient(90deg, #7c6fff, #ff6fc0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--sub);
  max-width: 540px;
  margin: 0 auto 2.2rem;
}

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

/* ── Stats ── */
.stats {
  padding: 3rem 5vw;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.stats-inner {
  display: flex;
  justify-content: center;
  gap: 4rem;
  flex-wrap: wrap;
  max-width: 900px;
  margin: 0 auto;
}

.stat-item { text-align: center; }

.stat-number {
  display: block;
  font-size: 2.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, #7c6fff, #c06fff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--sub);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ── Section shared ── */
.section-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 5vw;
}

.section-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.7rem;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 0.8rem;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--sub);
  max-width: 600px;
}

/* ── Brands ── */
.brands { padding: 6rem 0; }

.brands .section-inner { display: flex; flex-direction: column; gap: 0; }
.brands .section-title,
.brands .section-sub { text-align: center; margin-left: auto; margin-right: auto; }
.brands .section-label { text-align: center; }

.brands-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.brand-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: border-color 0.25s, transform 0.25s;
}

.brand-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.brand-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.brand-tag {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
}

.brand-name {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-tagline {
  font-size: 0.95rem;
  font-style: italic;
  color: var(--accent);
}

.brand-desc { font-size: 0.92rem; color: var(--sub); }

.brand-features {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.brand-features li {
  font-size: 0.85rem;
  color: var(--sub);
  padding-left: 1.1rem;
  position: relative;
}

.brand-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* ── Innovation ── */
.innovation {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 6rem 0;
}

.innovation-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.innovation-text { display: flex; flex-direction: column; gap: 1rem; align-items: flex-start; }

.innovation-cards { display: flex; flex-direction: column; gap: 1rem; }

.inno-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.inno-icon {
  font-size: 1.6rem;
  line-height: 1;
  flex-shrink: 0;
}

.inno-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: 0.3rem; }
.inno-card p  { font-size: 0.88rem; color: var(--sub); }

/* ── CTA Section ── */
.cta-section { padding: 6rem 0; text-align: center; }

.cta-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.cta-inner h2 { font-size: 2.2rem; font-weight: 800; letter-spacing: -0.025em; }
.cta-inner p  { font-size: 1rem; color: var(--sub); max-width: 460px; }

/* ── Contact ── */
.contact-hero {
  padding: 5rem 0 2rem;
}

.contact-body { padding: 3rem 0 6rem; }

.contact-hero-inner {
  text-align: left;
}

.contact-left {
  max-width: 580px;
}

.contact-form-wrap h2,
.contact-info h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

/* Form */
.contact-form { display: flex; flex-direction: column; gap: 1.2rem; }

.form-group { display: flex; flex-direction: column; gap: 0.4rem; }

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--sub);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  color: var(--text);
  font-family: inherit;
  font-size: 0.92rem;
  transition: border-color 0.2s;
  outline: none;
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
}

.form-group select option { background: var(--card); }
.form-group textarea { resize: vertical; }

/* Form feedback states */
.form-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 3rem 2rem;
  text-align: center;
  background: rgba(124,111,255,0.07);
  border: 1px solid rgba(124,111,255,0.2);
  border-radius: var(--radius);
}
.form-success-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, #7c6fff, #c06fff);
  color: #fff;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.form-success h3 { font-size: 1.2rem; font-weight: 700; }
.form-success p  { font-size: 0.92rem; color: var(--sub); }

.form-error {
  padding: 0.9rem 1.1rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 80, 80, 0.08);
  border: 1px solid rgba(255, 80, 80, 0.25);
  color: #ff8080;
  font-size: 0.88rem;
  margin-bottom: 1rem;
}
.form-error a { color: #ffaaaa; text-decoration: underline; }

/* Contact info */
.contact-cards { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 2rem; }

.contact-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
}

.contact-icon { font-size: 1.4rem; flex-shrink: 0; }

.contact-card h4 { font-size: 0.82rem; font-weight: 600; color: var(--sub); margin-bottom: 0.15rem; text-transform: uppercase; letter-spacing: 0.05em; }
.contact-card a  { font-size: 0.95rem; color: var(--accent); }
.contact-card p  { font-size: 0.95rem; }

.brand-links h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.brand-links { display: flex; flex-direction: column; gap: 0.6rem; }
.brand-links h3 { margin-top: 0.5rem; }

.brand-link-pill {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.1rem;
  border-radius: 9999px;
  font-size: 0.9rem;
  font-weight: 600;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
  color: var(--accent);
  transition: all 0.2s;
}

.brand-link-pill:hover {
  background: color-mix(in srgb, var(--accent) 22%, transparent);
  transform: translateX(4px);
}

/* ── Footer ── */
.footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 3rem 5vw;
  text-align: center;
}

.footer-inner { max-width: 600px; margin: 0 auto; display: flex; flex-direction: column; gap: 0.75rem; align-items: center; }

.footer-logo {
  font-size: 1.3rem;
  font-weight: 800;
  background: linear-gradient(90deg, #7c6fff, #c06fff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-fullname { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--sub); margin-top: -0.4rem; }
.footer-tagline { font-size: 0.88rem; color: var(--sub); }

.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { font-size: 0.85rem; color: var(--sub); transition: color 0.2s; }
.footer-links a:hover { color: var(--text); }

.footer-copy { font-size: 0.8rem; color: #555568; margin-top: 0.5rem; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .innovation-inner { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .stats-inner { gap: 2rem; }
  .nav-links { gap: 1.2rem; }
}

@media (max-width: 480px) {
  .hero { padding: 4rem 5vw 3rem; }
  .brands-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}