:root {
  --bg: #0c0a09;
  --bg-elevated: #161210;
  --ink: #f4efe8;
  --ink-muted: #b7aea3;
  --red: #e31b23;
  --red-deep: #9e0f16;
  --silver: #c8c4bc;
  --line: rgba(244, 239, 232, 0.12);
  --font-display: "Syne", sans-serif;
  --font-body: "Outfit", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --max: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 400;
  background:
    radial-gradient(1200px 700px at 80% -10%, rgba(227, 27, 35, 0.22), transparent 55%),
    radial-gradient(900px 500px at -10% 20%, rgba(200, 196, 188, 0.08), transparent 50%),
    linear-gradient(180deg, #14100e 0%, var(--bg) 40%, #090807 100%);
  line-height: 1.55;
}

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

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

.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 50;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem clamp(1.2rem, 4vw, 2.5rem);
  backdrop-filter: blur(14px);
  background: rgba(12, 10, 9, 0.72);
  border-bottom: 1px solid var(--line);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-mark img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 8px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(0.8rem, 2vw, 1.6rem);
  font-size: 0.95rem;
  color: var(--ink-muted);
}

.site-nav a:hover {
  color: var(--ink);
}

.nav-buy {
  color: var(--ink) !important;
  padding: 0.45rem 0.9rem;
  border: 1px solid rgba(227, 27, 35, 0.55);
  background: rgba(227, 27, 35, 0.12);
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-content: end;
  padding: clamp(1.5rem, 4vw, 3rem) clamp(1.2rem, 4vw, 2.5rem) clamp(2rem, 5vw, 3.5rem);
  overflow: hidden;
}

.hero-product {
  align-content: center;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.15fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  padding-top: clamp(4rem, 10vw, 6rem);
}

.hero-atmosphere {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 50% at 72% 42%, rgba(227, 27, 35, 0.2), transparent 62%),
    radial-gradient(ellipse 40% 35% at 20% 80%, rgba(200, 196, 188, 0.08), transparent 55%),
    linear-gradient(180deg, transparent 40%, rgba(12, 10, 9, 0.35) 100%);
  z-index: 1;
  pointer-events: none;
}

.hero-visual {
  position: relative;
  margin: 0;
  z-index: 0;
  display: grid;
  place-items: center;
}

.hero-product .hero-visual {
  z-index: 2;
}

.hero-visual img {
  width: 100%;
  height: auto;
  max-height: min(78svh, 820px);
  object-fit: contain;
  filter: drop-shadow(0 28px 60px rgba(0, 0, 0, 0.55));
  animation: rise-in 1.2s var(--ease) both;
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 34rem;
  animation: fade-up 0.9s var(--ease) 0.15s both;
}

.hero-brand {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 8vw, 4.8rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.04em;
  background: linear-gradient(180deg, #fff 10%, var(--silver) 45%, var(--red) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero h1 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3.2vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.hero-lede {
  margin: 0 0 1.5rem;
  color: var(--ink-muted);
  font-size: 1.05rem;
  max-width: 28rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.85rem 1.35rem;
  font-family: var(--font-body);
  font-size: 0.98rem;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(180deg, var(--red) 0%, var(--red-deep) 100%);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.08);
}

.btn-ghost {
  background: rgba(244, 239, 232, 0.04);
  border-color: var(--line);
  color: var(--ink);
}

.btn-block {
  width: 100%;
}

.eyebrow {
  margin: 0 0 0.55rem;
  color: var(--red);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(4rem, 10vw, 7rem) clamp(1.2rem, 4vw, 2.5rem);
  border-top: 1px solid var(--line);
}

.feature-copy h2 {
  margin: 0 0 0.9rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.feature-copy p:not(.eyebrow) {
  margin: 0 0 0.9rem;
  color: var(--ink-muted);
  font-size: 1.05rem;
  max-width: 34rem;
}

.feature-copy p:not(.eyebrow):last-child {
  margin-bottom: 0;
}

.feature-copy strong {
  color: var(--ink);
  font-weight: 600;
}

.feature-visual {
  margin: 0;
  animation: fade-up 0.8s var(--ease) both;
}

.feature-visual img {
  width: 100%;
}

.product-shot {
  display: grid;
  place-items: center;
  min-height: min(52vw, 420px);
  background:
    radial-gradient(circle at 50% 45%, rgba(227, 27, 35, 0.12), transparent 58%),
    radial-gradient(circle at 50% 80%, rgba(0, 0, 0, 0.45), transparent 70%);
}

.product-shot img {
  width: 100%;
  max-width: 640px;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 22px 48px rgba(0, 0, 0, 0.5));
}

.product-shot-tight img {
  max-width: 560px;
}

.buy-band {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: center;
  max-width: var(--max);
  margin: 0 auto clamp(3rem, 8vw, 5rem);
  padding: clamp(2rem, 5vw, 3rem);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(227, 27, 35, 0.12), transparent 45%),
    rgba(22, 18, 16, 0.65);
}

.buy-band h2 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  letter-spacing: -0.03em;
}

.buy-band p {
  color: var(--ink-muted);
  margin: 0 0 1rem;
}

.price-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.65rem;
  margin-bottom: 1.25rem !important;
}

.price {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.03em;
}

.price-note {
  font-size: 0.92rem;
  color: var(--ink-muted);
}

.buy-band-visual {
  margin: 0;
}

.buy-band-visual.product-shot {
  min-height: 280px;
  background: transparent;
}

.buy-band-visual img {
  max-width: 480px;
  margin-inline: auto;
  filter: drop-shadow(0 18px 40px rgba(0, 0, 0, 0.45));
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem clamp(1.2rem, 4vw, 2.5rem) 2.5rem;
  color: var(--ink-muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--line);
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 700;
}

.footer-brand img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

/* Checkout */
.buy-page .checkout {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 3.5rem) clamp(1.2rem, 4vw, 2.5rem) 4rem;
}

.checkout-summary h1 {
  margin: 0 0 1.2rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  letter-spacing: -0.03em;
}

.checkout-product {
  margin: 0 0 1.25rem;
  background: radial-gradient(circle at 50% 30%, rgba(227, 27, 35, 0.15), transparent 55%);
}

.checkout-includes {
  margin: 0 0 1rem;
  padding-left: 1.1rem;
  color: var(--ink-muted);
}

.checkout-includes li {
  margin-bottom: 0.35rem;
}

.checkout-form {
  display: grid;
  gap: 0.95rem;
  padding: 1.5rem;
  background: rgba(22, 18, 16, 0.8);
  border: 1px solid var(--line);
}

.checkout-form h2 {
  margin: 0 0 0.25rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.checkout-form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.88rem;
  color: var(--ink-muted);
}

.checkout-form input,
.checkout-form select {
  width: 100%;
  padding: 0.75rem 0.85rem;
  color: var(--ink);
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--line);
  font: inherit;
  font-size: 1rem;
}

.checkout-form input:focus,
.checkout-form select:focus {
  outline: 2px solid rgba(227, 27, 35, 0.45);
  outline-offset: 1px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.95rem;
}

.checkbox {
  grid-template-columns: auto 1fr !important;
  align-items: start;
  gap: 0.65rem !important;
}

.checkbox input {
  width: auto;
  margin-top: 0.2rem;
}

.total-line {
  margin: 0.4rem 0 0;
  font-size: 1.1rem;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.form-note {
  margin: 0;
  min-height: 1.4em;
  font-size: 0.92rem;
  color: var(--ink-muted);
}

.form-note.ok {
  color: #7dcea0;
}

.form-note.err {
  color: #f5a9a9;
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: scale(1.04) translateY(12px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@media (max-width: 860px) {
  .site-nav a:not(.nav-buy) {
    display: none;
  }

  .hero,
  .hero-product {
    min-height: auto;
    grid-template-columns: 1fr;
    align-content: start;
    padding-top: 5.5rem;
  }

  .hero-product .hero-visual {
    order: -1;
  }

  .hero-visual img {
    max-height: 52svh;
  }

  .feature,
  .feature-linux,
  .feature-ports,
  .buy-band,
  .buy-page .checkout {
    grid-template-columns: 1fr;
  }

  .feature-linux .feature-visual,
  .feature-ports .feature-visual {
    order: -1;
  }

  .product-shot {
    min-height: 260px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}

/* Login */
.login-page {
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 2rem 1.2rem;
}

.login-shell {
  width: min(100%, 420px);
  display: grid;
  gap: 1.5rem;
  animation: fade-up 0.7s var(--ease) both;
}

.login-brand {
  text-align: center;
}

.login-brand img {
  width: 96px;
  height: 96px;
  margin: 0 auto 1rem;
  object-fit: contain;
}

.login-brand h1 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 2.6rem);
  letter-spacing: -0.04em;
  background: linear-gradient(180deg, #fff 10%, var(--silver) 45%, var(--red) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.login-brand p {
  margin: 0;
  color: var(--ink-muted);
}

.login-form {
  display: grid;
  gap: 0.95rem;
  padding: 1.35rem;
  background: rgba(22, 18, 16, 0.85);
  border: 1px solid var(--line);
}

.login-form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.88rem;
  color: var(--ink-muted);
}

.login-form input {
  width: 100%;
  padding: 0.75rem 0.85rem;
  color: var(--ink);
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--line);
  font: inherit;
  font-size: 1rem;
}

.login-form input:focus {
  outline: 2px solid rgba(227, 27, 35, 0.45);
  outline-offset: 1px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}