/* ==============================================================================
   JURAGAN SNEAKERS — BRUTALIST STREETWEAR VAULT STYLESHEET
   Archetype: Loud-Flat-Poster / Hero-Object
   Typography: Syne (Headings) + Space Grotesk (Body & Monospaced Specs)
   Zero Hairstyle Borders, Flat Confident Surfaces, Strictly Anti-Slop
   ============================================================================== */

:root {
  --bg-deep: #0b0d10;
  --bg-surface: #14171d;
  --bg-elevated: #1e222b;
  --text-main: #f0f3f8;
  --text-muted: #959fad;
  --accent-flame: #ff4500;
  --accent-neon: #00e575;
  --accent-gold: #ffb703;
  --surface-border: #262c37;
  --font-display: 'Syne', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --container-max: 1240px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-deep);
  color: var(--text-main);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-color: var(--bg-deep);
}

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

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

button, input, select, textarea {
  font: inherit;
}

/* ------------------------------------------------------------------------------
   TYPOGRAPHY SPECIFICATION (Strict Taste-Skill Constraints)
   Headlines <= 2 lines across viewports, no eyebrows, strong contrast
   ------------------------------------------------------------------------------ */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--text-main);
  text-transform: uppercase;
}

h1 {
  font-size: clamp(2.4rem, 5.5vw, 4.4rem);
  max-width: 100%;
}

h2 {
  font-size: clamp(1.8rem, 3.8vw, 2.9rem);
  max-width: 100%;
}

h3 {
  font-size: clamp(1.3rem, 2.4vw, 1.8rem);
}

p {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--text-muted);
}

.lead-text {
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
  line-height: 1.5;
  color: #cfd6e1;
}

/* ------------------------------------------------------------------------------
   LAYOUT CONTAINERS & SURFACES
   ------------------------------------------------------------------------------ */
.site-container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-spacing {
  padding: 5rem 0;
}

.surface-card {
  background-color: var(--bg-surface);
  padding: 2.25rem;
  position: relative;
  transition: transform 0.25s ease, background-color 0.25s ease;
}

.surface-card:hover {
  background-color: var(--bg-elevated);
}

/* ------------------------------------------------------------------------------
   HEADER & NAVIGATION
   ------------------------------------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(11, 13, 16, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--surface-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 0;
}

.brand-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text-main);
  text-transform: uppercase;
}

.brand-tag {
  background-color: var(--accent-flame);
  color: #ffffff;
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  transition: color 0.2s ease;
  padding: 0.4rem 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-main);
  border-bottom: 2px solid var(--accent-flame);
}

.nav-cta {
  background-color: var(--accent-flame);
  color: #ffffff;
  padding: 0.65rem 1.25rem;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: opacity 0.2s ease;
}

.nav-cta:hover {
  opacity: 0.9;
}

.menu-toggle {
  display: none;
  background: var(--bg-surface);
  border: 1px solid var(--surface-border);
  color: var(--text-main);
  padding: 0.6rem 1rem;
  font-weight: 700;
  cursor: pointer;
  text-transform: uppercase;
  font-size: 0.85rem;
}

/* ------------------------------------------------------------------------------
   MOBILE NAVIGATION DRAWER
   ------------------------------------------------------------------------------ */
.mobile-nav-panel {
  display: none;
  background-color: var(--bg-surface);
  border-bottom: 2px solid var(--surface-border);
  padding: 1.5rem;
}

.mobile-nav-panel.is-open {
  display: block;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.mobile-nav-links .nav-link {
  font-size: 1.1rem;
  padding: 0.5rem 0;
}

/* ------------------------------------------------------------------------------
   HERO VAULT POSTER
   ------------------------------------------------------------------------------ */
.hero-vault {
  padding: 4.5rem 0 3.5rem;
  background-color: var(--bg-surface);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-specs-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.spec-pill {
  background-color: var(--bg-surface);
  border: 1px solid var(--surface-border);
  padding: 0.6rem 1rem;
  font-size: 0.88rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.spec-pill strong {
  color: var(--accent-neon);
}

.hero-visual {
  position: relative;
}

.hero-visual-frame {
  background-color: var(--bg-surface);
  padding: 1.5rem;
  border: 2px solid var(--surface-border);
}

.hero-visual-frame img {
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: contrast(1.05);
}

.hero-stamp {
  position: absolute;
  top: -15px;
  right: -15px;
  background-color: var(--accent-neon);
  color: #0b0d10;
  padding: 0.6rem 1rem;
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ------------------------------------------------------------------------------
   INTERACTIVE TOOL: FIT & DEADSTOCK CALCULATOR
   ------------------------------------------------------------------------------ */
.tool-section {
  background-color: var(--bg-surface);
  border-top: 2px solid var(--surface-border);
  border-bottom: 2px solid var(--surface-border);
  padding: 4.5rem 0;
}

.tool-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.tool-card {
  background-color: var(--bg-deep);
  border: 2px solid var(--surface-border);
  padding: 2.25rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-main);
  margin-bottom: 0.6rem;
  letter-spacing: 0.04em;
}

.form-select, .form-input {
  width: 100%;
  background-color: var(--bg-surface);
  border: 1px solid var(--surface-border);
  color: var(--text-main);
  padding: 0.85rem 1rem;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s ease;
}

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

.tool-result-panel {
  background-color: var(--bg-elevated);
  border-left: 4px solid var(--accent-neon);
  padding: 1.5rem;
  margin-top: 1.5rem;
}

.tool-result-panel h4 {
  color: var(--accent-neon);
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

/* ------------------------------------------------------------------------------
   SPECIMEN GRID (Katalog & Koleksi)
   ------------------------------------------------------------------------------ */
.specimen-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
  margin-top: 2.5rem;
}

.specimen-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--surface-border);
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease;
}

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

.specimen-thumb {
  position: relative;
  background-color: #1a1e26;
  padding: 1.5rem;
  height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.specimen-thumb img {
  max-height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.specimen-card:hover .specimen-thumb img {
  transform: scale(1.05);
}

.specimen-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background-color: #0b0d10;
  color: var(--accent-neon);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 0.6rem;
  text-transform: uppercase;
}

.specimen-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.specimen-title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.specimen-meta {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.specimen-pricing {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.25rem;
}

.specimen-price {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
}

.btn-action {
  background-color: var(--accent-flame);
  color: #ffffff;
  padding: 0.65rem 1.15rem;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-action:hover {
  opacity: 0.9;
}

/* ------------------------------------------------------------------------------
   TIMELINE & SPLIT STEPS (Legit Check & Tahap)
   ------------------------------------------------------------------------------ */
.process-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-top: 3rem;
}

.process-step {
  background-color: var(--bg-surface);
  padding: 2rem;
}

.step-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent-flame);
  line-height: 1;
}

/* ------------------------------------------------------------------------------
   TABLES & SPECIFICATION MATRICES (Panduan Ukuran & Grade)
   ------------------------------------------------------------------------------ */
.matrix-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 2rem;
  background-color: var(--bg-surface);
}

.matrix-table th, .matrix-table td {
  padding: 1.1rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--surface-border);
  font-size: 0.95rem;
}

.matrix-table th {
  background-color: var(--bg-elevated);
  font-family: var(--font-display);
  font-size: 0.95rem;
  text-transform: uppercase;
  color: var(--text-main);
}

/* ------------------------------------------------------------------------------
   ACCORDION & FAQ
   ------------------------------------------------------------------------------ */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.faq-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--surface-border);
  padding: 2rem;
}

.faq-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--text-main);
}

/* ------------------------------------------------------------------------------
   FOOTER
   ------------------------------------------------------------------------------ */
.site-footer {
  margin-top: auto;
  background-color: #07090b;
  border-top: 2px solid var(--surface-border);
  padding: 4.5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-col h4 {
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
  color: var(--text-main);
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-col a {
  color: var(--text-muted);
  font-size: 0.92rem;
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: var(--text-main);
}

.footer-bottom {
  padding-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* ------------------------------------------------------------------------------
   SCROLL REVEAL OBSERVER CLASS
   ------------------------------------------------------------------------------ */
.reveal-item {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.reveal-item.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ------------------------------------------------------------------------------
   RESPONSIVE BREAKPOINTS
   ------------------------------------------------------------------------------ */
@media (max-width: 992px) {
  .hero-grid, .tool-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .nav-desktop {
    display: none;
  }
  .menu-toggle {
    display: block;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .process-step {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .specimen-grid {
    grid-template-columns: 1fr;
  }
}