/* Design System: Resend (getdesign.md) - High Voltage Flashy Edition */
:root {
  --bg-canvas: #000000;
  --bg-surface: #0a0b0e;
  --bg-card: #0f1015;
  --bg-card-hover: #15161c;
  --border-hairline: #1c1d24;
  --border-glow: rgba(255, 128, 31, 0.45);
  --text-ink: #fcfdff;
  --text-body: #a2a5b0;
  --text-muted: #656875;
  --accent-primary: #ff801f;
  --btn-primary-bg: #ffffff;
  --btn-primary-text: #000000;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}
body {
  background: radial-gradient(ellipse 70% 45% at 50% -10%, rgba(255, 128, 31, 0.18) 0%, rgba(0, 0, 0, 0) 70%),
              var(--bg-canvas);
  color: var(--text-body);
  font-family: var(--font-sans);
  margin: 0;
  line-height: 1.6;
}
.site-header {
  border-bottom: 1px solid var(--border-hairline);
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1140px;
  margin: 0 auto;
  padding: 18px 24px;
}
.logo {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-ink);
  text-decoration: none;
}
.logo span {
  color: var(--accent-primary);
}
.nav-links a {
  color: var(--text-body);
  text-decoration: none;
  margin-left: 24px;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.15s;
}
.nav-links a:hover {
  color: var(--text-ink);
}
.hero {
  padding: 100px 24px 74px;
  max-width: 1040px;
  margin: 0 auto;
  text-align: center;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 128, 31, 0.1);
  border: 1px solid rgba(255, 128, 31, 0.3);
  box-shadow: 0 0 20px rgba(255, 128, 31, 0.15);
  color: #ffa75e;
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: var(--font-mono);
  margin-bottom: 26px;
}
.badge::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--accent-primary);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-primary);
}
.hero h1 {
  font-size: clamp(40px, 6vw, 66px);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text-ink);
  margin: 0 0 22px;
  line-height: 1.08;
}
.hero p.intro {
  font-size: clamp(17px, 2.2vw, 21px);
  color: var(--text-body);
  max-width: 740px;
  margin: 0 auto 38px;
}
.actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 30px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.button.primary {
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.4), 0 8px 24px rgba(255, 255, 255, 0.15);
}
.button.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.6), 0 12px 32px rgba(255, 255, 255, 0.25);
}
.button.secondary {
  background: var(--bg-card);
  color: var(--text-ink);
  border: 1px solid var(--border-hairline);
}
.button.secondary:hover {
  background: var(--bg-card-hover);
  border-color: #31333d;
  transform: translateY(-2px);
}
.section {
  padding: 88px 24px;
  border-top: 1px solid var(--border-hairline);
}
.wrap {
  max-width: 1080px;
  margin: 0 auto;
}
.eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-primary);
  font-family: var(--font-mono);
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: clamp(30px, 4.2vw, 44px);
  font-weight: 800;
  letter-spacing: -0.035em;
  color: var(--text-ink);
  margin: 0 0 16px;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
  gap: 24px;
  margin-top: 44px;
}
.card {
  background: linear-gradient(180deg, #101117 0%, #0a0b0e 100%);
  border: 1px solid var(--border-hairline);
  border-radius: 14px;
  padding: 34px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.card:hover {
  border-color: var(--border-glow);
  box-shadow: 0 0 30px rgba(255, 128, 31, 0.18), 0 12px 36px rgba(0, 0, 0, 0.8);
  transform: translateY(-3px);
}
.card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-ink);
  margin: 0 0 12px;
}
.card p {
  margin: 0;
  color: var(--text-body);
  font-size: 15px;
}
.player-box {
  background: #000000;
  border: 1px solid rgba(255, 128, 31, 0.3);
  border-radius: 16px;
  overflow: hidden;
  margin-top: 36px;
  box-shadow: 0 0 50px rgba(255, 128, 31, 0.16), 0 24px 60px rgba(0, 0, 0, 0.8);
}
video {
  width: 100%;
  display: block;
  aspect-ratio: 4/3;
}
.calc-box {
  background: var(--bg-card);
  border: 1px solid var(--border-hairline);
  border-radius: 16px;
  padding: 38px;
  max-width: 600px;
  margin: 36px auto 0;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.5);
}
.calc-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-hairline);
}
.counter {
  display: flex;
  align-items: center;
  gap: 10px;
}
.counter button {
  width: 38px;
  height: 38px;
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  color: var(--text-ink);
  border-radius: 6px;
  font-size: 18px;
  cursor: pointer;
  transition: all 0.15s;
}
.counter button:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}
.counter input {
  width: 56px;
  text-align: center;
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  color: var(--text-ink);
  border-radius: 6px;
  padding: 8px;
  font-size: 16px;
  font-family: var(--font-mono);
}
.calc-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 26px;
  font-size: 24px;
  font-weight: 800;
  color: var(--text-ink);
  font-family: var(--font-mono);
}
.specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 28px;
  font-size: 14px;
}
.specs-table th, .specs-table td {
  text-align: left;
  padding: 16px 18px;
  border-bottom: 1px solid var(--border-hairline);
}
.specs-table th {
  color: var(--text-muted);
  font-family: var(--font-mono);
  width: 35%;
}
.specs-table td {
  color: var(--text-ink);
  font-weight: 500;
}
.form-box {
  background: var(--bg-card);
  border: 1px solid var(--border-hairline);
  border-radius: 16px;
  padding: 42px;
  max-width: 660px;
  margin: 36px auto 0;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.6);
}
.field {
  margin-bottom: 22px;
  text-align: left;
}
.field label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-ink);
  margin-bottom: 8px;
}
.field input, .field select, .field textarea {
  width: 100%;
  box-sizing: border-box;
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  color: var(--text-ink);
  padding: 13px 16px;
  border-radius: 8px;
  font-size: 15px;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(255, 128, 31, 0.2);
}
details {
  background: var(--bg-card);
  border: 1px solid var(--border-hairline);
  border-radius: 10px;
  margin-bottom: 14px;
  padding: 18px 24px;
  text-align: left;
}
summary {
  font-weight: 600;
  color: var(--text-ink);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 16px;
}
summary::after {
  content: "+";
  font-size: 20px;
  color: var(--accent-primary);
}
details[open] summary::after {
  content: "−";
}
details p {
  margin: 14px 0 0;
  color: var(--text-body);
  font-size: 15px;
}
.footer {
  border-top: 1px solid var(--border-hairline);
  padding: 48px 24px;
  text-align: center;
  font-size: 14px;
  color: var(--text-muted);
}
.footer a {
  color: var(--text-body);
  text-decoration: none;
  margin: 0 12px;
}
.footer a:hover {
  color: var(--text-ink);
}