/*
Theme Name: ForgePC
Theme URI: https://github.com/forge-pc
Description: PC Build Advisor theme with budget-aware recommendation engine and premium molten-copper aesthetics.
Author: Antigravity
Author URI: https://github.com/antigravity
Version: 1.0.0
Text Domain: forge-pc
*/

/* Import Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&family=Space+Grotesk:wght@500;600;700&display=swap');

/* CSS Variables */
:root {
  --bg-color: #0B0E14;
  --surface-raised: #141925;
  --surface-hover: #1B2230;
  --border-color: #262E40;
  --primary-accent: #FF8A3D;
  --secondary-accent: #FFD9A8;
  --text-primary: #EDEFF5;
  --text-muted: #5B6478;
  --text-muted-light: #8891A5;
  
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --transition-smooth: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --border-radius: 16px;
}

/* Reset & Global Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding-top: 72px; /* space for sticky nav */
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
}

code, pre, .mono-text {
  font-family: var(--font-mono);
}

/* Navigation Bar */
.sticky-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  background: rgba(11, 14, 20, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-logo span {
  color: var(--primary-accent);
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted-light);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-smooth);
}

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

.nav-cta {
  background-color: var(--primary-accent);
  color: #000;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 8px;
  transition: var(--transition-smooth);
}

.nav-cta:hover {
  background-color: #ff9d5c;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255, 138, 61, 0.2);
}

/* Layout Containers */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 40px 20px;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 80px 20px;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 138, 61, 0.08) 0%, transparent 60%);
  z-index: -1;
  pointer-events: none;
}

.hero h1 {
  font-size: 3.5rem;
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero h1 span {
  color: var(--primary-accent);
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-muted-light);
  max-width: 600px;
  margin: 0 auto 40px auto;
}

.hero-ctas {
  display: flex;
  gap: 20px;
  justify-content: center;
}

.btn {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  padding: 14px 28px;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition-smooth);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
}

.btn-primary {
  background-color: var(--primary-accent);
  color: #0B0E14;
}

.btn-primary:hover {
  background-color: #ff9d5c;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 138, 61, 0.25);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--primary-accent);
  background-color: rgba(255, 138, 61, 0.05);
  transform: translateY(-2px);
}

/* Trust Strip */
.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 32px 0;
  margin: 40px 0 80px 0;
  text-align: center;
}

.trust-item {
  position: relative;
}

.trust-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 10%;
  height: 80%;
  width: 1px;
  background-color: var(--border-color);
}

.trust-num {
  font-family: var(--font-mono);
  font-size: 2.25rem;
  font-weight: 600;
  color: var(--primary-accent);
  display: block;
  margin-bottom: 4px;
}

.trust-label {
  font-size: 0.9rem;
  color: var(--text-muted-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Use-Case Cards */
.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.use-case-card {
  background-color: var(--surface-raised);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 32px;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.use-case-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary-accent);
  background-color: var(--surface-hover);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.use-case-icon {
  width: 48px;
  height: 48px;
  background-color: rgba(255, 138, 61, 0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-accent);
  font-size: 1.5rem;
  margin-bottom: 24px;
  transition: var(--transition-smooth);
}

.use-case-card:hover .use-case-icon {
  background-color: var(--primary-accent);
  color: #0B0E14;
}

.use-case-card h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.use-case-card p {
  color: var(--text-muted-light);
  font-size: 0.95rem;
  flex-grow: 1;
}

.use-case-tag {
  position: absolute;
  top: 16px;
  right: 16px;
  background-color: rgba(255, 138, 61, 0.15);
  color: var(--secondary-accent);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 100px;
  border: 1px solid rgba(255, 138, 61, 0.2);
}

/* Page Section Headers */
.section-header {
  margin-bottom: 40px;
  max-width: 600px;
}

.section-header h2 {
  font-size: 2.25rem;
  margin-bottom: 12px;
}

.section-header p {
  color: var(--text-muted-light);
}

/* Interactive Build Form styling */
.build-form-panel {
  background-color: var(--surface-raised);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 40px;
  margin-bottom: 40px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

@media (max-width: 768px) {
  .form-row {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .sticky-nav {
    padding: 0 20px;
  }
  .nav-links {
    display: none; /* simple fallback for mobile */
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.form-label {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
}

.form-desc {
  font-size: 0.85rem;
  color: var(--text-muted-light);
  margin-top: -4px;
}

/* Custom Select & Inputs */
.select-wrapper {
  position: relative;
}

.custom-select, .custom-input {
  width: 100%;
  background-color: #0B0E14;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 14px 18px;
  outline: none;
  transition: var(--transition-smooth);
}

.custom-select {
  appearance: none;
  cursor: pointer;
}

.select-wrapper::after {
  content: '▼';
  font-size: 0.8rem;
  color: var(--text-muted-light);
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}

.custom-select:focus, .custom-input:focus {
  border-color: var(--primary-accent);
  box-shadow: 0 0 0 2px rgba(255, 138, 61, 0.1);
}

.input-with-symbol {
  position: relative;
}

.input-symbol {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  color: var(--text-muted-light);
  font-weight: 600;
}

.input-with-symbol .custom-input {
  padding-left: 36px;
  font-family: var(--font-mono);
}

/* Build Output Layout */
.build-output-header {
  margin: 60px 0 30px 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 16px;
}

.build-total-price {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-accent);
}

.build-warning-banner {
  background-color: rgba(255, 138, 61, 0.08);
  border: 1px solid rgba(255, 138, 61, 0.2);
  border-radius: 8px;
  padding: 16px 24px;
  margin-bottom: 32px;
  color: var(--secondary-accent);
  display: flex;
  align-items: center;
  gap: 12px;
}

.build-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

/* Build Component Card */
.component-card {
  background-color: var(--surface-raised);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 24px 32px;
  display: grid;
  grid-template-columns: 80px 1fr auto;
  align-items: center;
  position: relative;
  transition: var(--transition-smooth);
}

.component-card.revealed {
  border-color: var(--primary-accent);
}

.component-card.revealed .comp-icon-box {
  background-color: var(--primary-accent);
  color: #0B0E14;
}

.component-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary-accent);
  background-color: var(--surface-hover);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.comp-icon-box {
  width: 56px;
  height: 56px;
  background-color: rgba(255, 138, 61, 0.05);
  border: 1px solid rgba(255, 138, 61, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-accent);
  font-size: 1.5rem;
  transition: var(--transition-smooth);
}

.comp-details {
  display: flex;
  flex-direction: column;
}

.comp-role {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.comp-name {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.comp-specs {
  color: var(--text-muted-light);
  font-size: 0.85rem;
  display: flex;
  gap: 16px;
}

.comp-spec-item span {
  font-family: var(--font-mono);
  color: var(--text-primary);
}

.comp-pricing {
  text-align: right;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}

.comp-price {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary-accent);
}

.comp-why-btn {
  background-color: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-muted-light);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.comp-why-btn:hover {
  border-color: var(--primary-accent);
  color: var(--primary-accent);
  background-color: rgba(255, 138, 61, 0.05);
}

/* Pulsing copper dot */
.pulse-dot {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 8px;
  height: 8px;
  background-color: var(--primary-accent);
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.component-card.revealed .pulse-dot {
  opacity: 1;
  box-shadow: 0 0 0 0 rgba(255, 138, 61, 0.7);
  animation: pulse-ring 1.5s infinite;
}

@keyframes pulse-ring {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 138, 61, 0.7);
  }
  70% {
    box-shadow: 0 0 0 6px rgba(255, 138, 61, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 138, 61, 0);
  }
}

/* Stagger animation visibility */
.component-card {
  opacity: 0;
  transform: translateY(15px);
}

.component-card.animate-reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.4s ease, background-color 0.4s ease;
}

/* Explanation inline card */
.explanation-wrapper {
  grid-column: 1 / -1;
  margin-top: -12px;
  margin-bottom: 8px;
  border-left: 2px solid var(--primary-accent);
  background-color: var(--surface-hover);
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  padding: 20px 24px;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.explanation-wrapper.show {
  opacity: 1;
  max-height: 500px;
  margin-top: -10px;
  margin-bottom: 10px;
}

.explain-eyebrow {
  font-family: var(--font-mono);
  color: var(--primary-accent);
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  margin-bottom: 6px;
  display: block;
}

.explain-body {
  font-style: italic;
  color: var(--text-muted-light);
  font-size: 0.95rem;
}

/* Component Search Page specific */
.search-bar-wrapper {
  margin-bottom: 40px;
  position: relative;
}

.search-input {
  width: 100%;
  background-color: var(--surface-raised);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1.2rem;
  padding: 20px 24px;
  outline: none;
  transition: var(--transition-smooth);
}

.search-input:focus {
  border-color: var(--primary-accent);
  box-shadow: 0 0 0 3px rgba(255, 138, 61, 0.1);
}

.search-results-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

/* Footer */
footer {
  border-top: 1px solid var(--border-color);
  padding: 40px 20px;
  margin-top: 80px;
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-muted-light);
}

footer a {
  color: var(--primary-accent);
  text-decoration: none;
  font-weight: 500;
}

/* Media Query tweaks */
@media (max-width: 900px) {
  .component-card {
    grid-template-columns: 60px 1fr;
    gap: 16px;
    padding: 20px;
  }
  .comp-pricing {
    grid-column: 2;
    align-items: flex-start;
    text-align: left;
    margin-top: 10px;
  }
  .comp-specs {
    flex-wrap: wrap;
    gap: 8px;
  }
}