@import url("https://fonts.googleapis.com/css2?family=Creepster&display=swap");

:root {
  --bg: #090c09;
  --surface: #121814;
  --surface-elevated: #1b231d;
  --text: #f4f7f3;
  --muted: #afbeb0;
  --accent-green: #58d43d;
  --accent-green-dark: #3da927;
  --accent-red: #ef4343;
  --accent-red-dark: #c33434;
  --line: #2a372b;
  --danger: #f74f4f;
  --shadow: 0 14px 40px rgba(0, 0, 0, 0.34);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: radial-gradient(circle at top right, #3a1010 0%, #122314 28%, var(--bg) 56%);
  color: var(--text);
  line-height: 1.5;
}

.skip-link {
  position: absolute;
  left: 0.75rem;
  top: -100%;
  z-index: 1000;
  padding: 0.65rem 0.9rem;
  border-radius: 0.5rem;
  background: var(--accent-green);
  color: #08200a;
  font-weight: 700;
}

.skip-link:focus {
  top: 0.75rem;
}

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

.site-header,
main,
.site-footer {
  width: min(1120px, 92%);
  margin-inline: auto;
}

.intro-gate {
  min-height: 150vh;
  display: grid;
  place-items: center;
  padding-top: 0;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1rem;
  padding-block: 1.5rem;
}

.brand-eyebrow {
  margin: 0 0 0.25rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--muted);
}

.brand-name {
  margin: 0;
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  letter-spacing: 0.02em;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.main-nav a {
  padding: 0.5rem 0.78rem;
  border-radius: 999px;
  color: var(--muted);
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--text);
  background: rgba(255, 255, 255, 0.07);
}

main {
  padding-bottom: 4rem;
}

section {
  margin-top: 2.5rem;
}

.hero {
  background: linear-gradient(145deg, rgba(27, 34, 56, 0.95), rgba(11, 15, 26, 0.9));
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  box-shadow: var(--shadow);
  padding: clamp(1.3rem, 3vw, 2.4rem);
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.2rem;
}

.hero-tag {
  color: var(--accent-red);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin: 0 0 0.4rem;
}

.monster-slogan {
  margin: 0;
  font-family: "Creepster", "Impact", fantasy;
  font-size: clamp(2.2rem, 6vw, 5.2rem);
  letter-spacing: 0.06em;
  line-height: 1;
  text-transform: uppercase;
  color: var(--accent-green);
  text-shadow: 0 2px 0 #081508, 0 0 20px rgba(88, 212, 61, 0.3);
  display: block;
  position: sticky;
  top: 50vh;
  text-align: center;
  width: min(92vw, 17ch);
  transform: translateY(-50%) scale(var(--slogan-scale, 1));
  transform-origin: center center;
  opacity: var(--slogan-opacity, 1);
  will-change: transform;
}

.hero h2 {
  margin: 0.3rem 0 0.8rem;
  font-size: clamp(1.65rem, 3.6vw, 2.6rem);
  line-height: 1.12;
}

.hero p {
  color: var(--muted);
  max-width: 60ch;
}

.hero-actions {
  margin-top: 1.15rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.hero-metrics {
  display: grid;
  gap: 0.7rem;
}

.hero-metrics article {
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  padding: 0.9rem;
  background: rgba(255, 255, 255, 0.02);
}

.metric-value {
  margin: 0;
  font-size: 1.6rem;
  font-weight: 700;
}

.metric-label {
  margin: 0.2rem 0 0;
  color: var(--muted);
}

.section-head {
  margin-bottom: 1rem;
}

.section-eyebrow {
  margin: 0;
  color: var(--accent-red);
  letter-spacing: 0.08em;
  font-size: 0.74rem;
  text-transform: uppercase;
  font-weight: 700;
}

.section-head h2 {
  margin: 0.35rem 0 0;
  font-size: clamp(1.32rem, 2.3vw, 2rem);
  line-height: 1.2;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.filter-chip {
  border: 1px solid var(--line);
  color: var(--text);
  background: transparent;
  border-radius: 999px;
  font: inherit;
  font-size: 0.92rem;
  cursor: pointer;
  padding: 0.45rem 0.85rem;
}

.filter-chip:hover,
.filter-chip:focus-visible {
  border-color: var(--accent-red);
}

.filter-chip.active {
  background: var(--accent-red);
  color: #260909;
  border-color: var(--accent-red);
  font-weight: 700;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.9rem;
}

.product-card {
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: linear-gradient(180deg, var(--surface-elevated), var(--surface));
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.product-pill {
  align-self: flex-start;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  background: rgba(239, 67, 67, 0.2);
  color: #ff8080;
  font-size: 0.75rem;
  font-weight: 700;
}

.product-card h3 {
  margin: 0.2rem 0 0;
}

.product-price {
  margin: 0;
  color: var(--accent-green);
  font-weight: 800;
  font-size: 1.25rem;
}

.product-specs {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.product-specs li {
  margin-block: 0.16rem;
}

.filter-empty {
  margin-top: 1rem;
  color: var(--danger);
}

.benefit-grid,
.review-grid {
  display: grid;
  gap: 0.85rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.benefit-grid article,
.review-grid blockquote,
.newsletter {
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: rgba(16, 23, 38, 0.85);
}

.benefit-grid article {
  padding: 1rem;
}

.benefit-grid h3 {
  margin-top: 0;
  margin-bottom: 0.45rem;
}

.benefit-grid p {
  margin: 0;
  color: var(--muted);
}

.review-grid blockquote {
  margin: 0;
  padding: 1rem;
  color: #dce3f8;
  font-weight: 600;
}

.review-grid cite {
  margin-top: 0.85rem;
  display: block;
  color: var(--muted);
  font-style: normal;
  font-weight: 500;
}

.newsletter {
  margin-top: 2.7rem;
  padding: 1.2rem;
  display: grid;
  gap: 0.85rem;
  grid-template-columns: 1.4fr 1fr;
}

.newsletter h2 {
  margin-top: 0.3rem;
  margin-bottom: 0;
}

.newsletter-form {
  display: grid;
  gap: 0.5rem;
}

.newsletter-form label {
  color: var(--muted);
}

.newsletter-form input {
  border: 1px solid var(--line);
  border-radius: 0.65rem;
  background: #0f1421;
  color: var(--text);
  padding: 0.67rem 0.7rem;
  font: inherit;
}

.newsletter-form input::placeholder {
  color: #7f8ab0;
}

.newsletter-form input:focus {
  outline: 2px solid color-mix(in srgb, var(--accent-green) 60%, white 40%);
  outline-offset: 2px;
}

.btn {
  border: 1px solid transparent;
  cursor: pointer;
  border-radius: 0.7rem;
  padding: 0.62rem 0.95rem;
  font: inherit;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

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

.btn:focus-visible,
.filter-chip:focus-visible,
.modal-close:focus-visible,
.main-nav a:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent-green) 64%, white 36%);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--accent-green);
  color: #0b1d08;
}

.btn-primary:hover {
  background: var(--accent-green-dark);
}

.btn-outline {
  border-color: var(--line);
  color: var(--text);
}

.btn-outline:hover {
  border-color: var(--accent-red);
}

.btn-small {
  margin-top: auto;
  background: rgba(88, 212, 61, 0.2);
  color: var(--text);
  border-color: rgba(88, 212, 61, 0.45);
}

.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 2.25rem;
  padding: 1rem 0 2.2rem;
  color: var(--muted);
  text-align: center;
  font-size: 0.95rem;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(3, 6, 12, 0.75);
  display: grid;
  place-items: center;
  padding: 1rem;
  z-index: 999;
}

.modal-panel {
  width: min(540px, 100%);
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.15rem;
  background: linear-gradient(180deg, #171f31, #101625);
  box-shadow: var(--shadow);
  position: relative;
}

.modal-close {
  position: absolute;
  top: 0.4rem;
  right: 0.45rem;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 1.9rem;
  line-height: 1;
  cursor: pointer;
}

.modal-category {
  margin: 0;
  color: var(--accent-red);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-size: 0.75rem;
}

.modal-price {
  margin: 0.25rem 0 0.6rem;
  font-size: 1.2rem;
  color: var(--accent-green);
  font-weight: 700;
}

.modal-description {
  color: var(--muted);
}

.modal-specs {
  margin-block: 0.9rem 1.1rem;
  padding-left: 1.1rem;
}

.hidden {
  display: none !important;
}

.reveal {
  opacity: 0;
  transform: translateY(15px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .newsletter {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .intro-gate {
    min-height: 135vh;
    padding-top: 0;
  }

  .site-header {
    flex-direction: column;
    align-items: start;
  }

  .main-nav a {
    padding: 0.35rem 0.62rem;
  }

  .hero-actions {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    transition: none !important;
    animation: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}