@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Noto+Sans+Thai:wght@300;400;500;600;700&family=DM+Mono:wght@400;500&display=swap');

:root {
  --black: #0a0a0a;
  --off-white: #f5f5f0;
  --grey-dark: #141414;
  --grey-mid: #1e1e1e;
  --grey-light: #2a2a2a;
  --grey-text: #888;
  --border: rgba(255,255,255,0.08);
  --rainbow: linear-gradient(90deg, #ff6b6b, #ffd93d, #6bcb77, #4d96ff, #c77dff);
  --rainbow-diag: linear-gradient(135deg, #ff6b6b, #ffd93d, #6bcb77, #4d96ff, #c77dff);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--black);
  color: var(--off-white);
  font-family: 'Noto Sans Thai', sans-serif;
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── UTILITY ── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.gradient-text {
  background: var(--rainbow);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.mono {
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--grey-text);
  margin-bottom: 16px;
}

.rainbow-line {
  height: 2px;
  background: var(--rainbow);
  border: none;
  margin: 0;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--grey-light); border-radius: 2px; }

/* ── NAV ── */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.nav-logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
  text-decoration: none;
}

.nav-logo .logo-main {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.4rem;
  letter-spacing: 0.12em;
  color: var(--off-white);
}

.nav-logo .logo-sub {
  font-family: 'DM Mono', monospace;
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  color: var(--grey-text);
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-links a {
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--grey-text);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 4px;
  transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--off-white);
  background: var(--grey-light);
}

.nav-cta {
  background: #00B900 !important;
  -webkit-text-fill-color: #fff !important;
  color: #fff !important;
  border: none !important;
  font-weight: 500;
}

.nav-cta:hover {
  background: #009900 !important;
  -webkit-text-fill-color: #fff !important;
}

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

.nav-burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--off-white);
  transition: var(--transition);
}

/* ── HERO ── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 24px 80px;
  position: relative;
  overflow: hidden;
  background-image: url('../images/hero-bg.jpg');
  background-size: cover;
  background-position: center 40%;
  background-repeat: no-repeat;
}

#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, 0.78);
  z-index: 0;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(ellipse 60% 50% at 50% 100%, rgba(77,150,255,0.04) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 80% 20%, rgba(199,125,255,0.03) 0%, transparent 60%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  z-index: 2;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
}

.hero-content {
  text-align: center;
  max-width: 900px;
  position: relative;
  z-index: 3;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: 99px;
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--grey-text);
  margin-bottom: 32px;
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--rainbow);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(3.5rem, 10vw, 8rem);
  letter-spacing: 0.06em;
  line-height: 0.9;
  color: var(--off-white);
  margin-bottom: 8px;
}

.hero-title .gradient-text {
  font-size: clamp(1.75rem, 5vw, 4rem);
  display: block;
  line-height: 1.1;
  background: var(--rainbow);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title-sub {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(1rem, 3vw, 1.6rem);
  letter-spacing: 0.15em;
  color: var(--grey-text);
  margin-bottom: 24px;
  line-height: 1.4;
}

.hero-desc {
  font-size: 1rem;
  color: var(--grey-text);
  max-width: 800px;
  margin: 0 auto 40px;
  line-height: 2;
  white-space: nowrap;
}

.hero-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: var(--off-white);
  color: var(--black);
  text-decoration: none;
  font-family: 'Noto Sans Thai', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 6px;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background: #e0e0d8;
  transform: translateY(-2px);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: transparent;
  color: var(--off-white);
  text-decoration: none;
  font-family: 'Noto Sans Thai', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 6px;
  border: 1px solid var(--border);
  transition: var(--transition);
  cursor: pointer;
}

.btn-outline:hover {
  border-color: rgba(255,255,255,0.3);
  background: var(--grey-mid);
  transform: translateY(-2px);
}

.btn-line {
  background: #00B900;
  color: white;
  font-weight: 600;
}
.btn-line:hover {
  background: #00a000;
}

/* ── FEATURE STRIP ── */
#features {
  padding: 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.feature-item {
  padding: 32px 28px;
  border-right: 1px solid var(--border);
  transition: var(--transition);
}

.feature-item:last-child {
  border-right: none;
}

.feature-item:hover {
  background: var(--grey-mid);
}

.feature-icon {
  font-size: 1.8rem;
  margin-bottom: 12px;
  display: block;
}

.feature-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  color: var(--off-white);
  margin-bottom: 6px;
}

.feature-desc {
  font-size: 0.8rem;
  color: var(--grey-text);
  line-height: 1.6;
}

/* ── SECTION COMMON ── */
section {
  padding: 100px 0;
}

.section-header {
  margin-bottom: 60px;
}

.section-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: 0.06em;
  line-height: 1;
  color: var(--off-white);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 0.95rem;
  color: var(--grey-text);
  max-width: 600px;
  line-height: 1.8;
}

/* ── PRODUCTS ── */
#products {
  background: var(--black);
}

.product-series {
  margin-bottom: 80px;
  padding-bottom: 80px;
  border-bottom: 1px solid var(--border);
}

.product-series:last-of-type {
  border-bottom: none;
  margin-bottom: 0;
}

.series-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.series-info {
  flex: 1;
  min-width: 280px;
}

.series-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 4px;
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
  background: var(--grey-light);
  color: var(--grey-text);
}

.series-badge.popular {
  background: rgba(255, 217, 61, 0.12);
  color: #ffd93d;
  border: 1px solid rgba(255, 217, 61, 0.25);
}

.series-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: 0.08em;
  color: var(--off-white);
  margin-bottom: 12px;
}

.series-desc {
  font-size: 0.9rem;
  color: var(--grey-text);
  line-height: 1.8;
  max-width: 500px;
}

/* ── TABLE ── */
.table-wrapper {
  overflow-x: auto;
  border-radius: 8px;
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

thead tr {
  background: var(--grey-mid);
}

thead th {
  padding: 14px 20px;
  text-align: left;
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--grey-text);
  font-weight: 400;
  white-space: nowrap;
}

tbody tr {
  border-top: 1px solid var(--border);
  transition: var(--transition);
}

tbody tr:hover {
  background: var(--grey-mid);
}

tbody td {
  padding: 16px 20px;
  color: var(--off-white);
  vertical-align: middle;
}

tbody td:first-child {
  font-family: 'DM Mono', monospace;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--off-white);
}

.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 3px;
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  background: var(--grey-light);
  color: var(--grey-text);
  margin-right: 4px;
  white-space: nowrap;
}

/* ── ACCESSORIES GRID ── */
.accessories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 32px;
}

.accessory-card {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--grey-mid);
  transition: var(--transition);
}

.accessory-card:hover {
  border-color: rgba(255,255,255,0.15);
  transform: translateY(-4px);
}

.accessory-name {
  font-family: 'DM Mono', monospace;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--off-white);
  margin-bottom: 8px;
}

.accessory-desc {
  font-size: 0.8rem;
  color: var(--grey-text);
  line-height: 1.6;
  margin-bottom: 8px;
}

.accessory-compat {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  color: var(--grey-text);
}

/* ── CUSTOM SIZE FORM ── */
#custom {
  background: var(--grey-dark);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.custom-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--grey-text);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
}

.form-group input,
.form-group select {
  padding: 12px 16px;
  background: var(--grey-light);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--off-white);
  font-family: 'Noto Sans Thai', sans-serif;
  font-size: 0.9rem;
  transition: var(--transition);
  outline: none;
  width: 100%;
}

.form-group input:focus,
.form-group select:focus {
  border-color: rgba(255,255,255,0.25);
  background: var(--grey-mid);
}

.form-group input::placeholder {
  color: var(--grey-text);
}

.form-stack {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.custom-note {
  font-size: 0.8rem;
  color: var(--grey-text);
  line-height: 1.7;
  margin-top: 24px;
}

.custom-note a {
  color: var(--off-white);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
}

.custom-note a:hover {
  border-color: var(--off-white);
}

/* ── GUIDE ── */
#guide {
  background: var(--black);
}

.guide-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}

.guide-step {
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: 8px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.guide-step:hover {
  border-color: rgba(255,255,255,0.15);
  background: var(--grey-mid);
}

.step-number {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 5rem;
  line-height: 1;
  color: rgba(255,255,255,0.04);
  position: absolute;
  top: 16px;
  right: 20px;
  letter-spacing: -0.02em;
  pointer-events: none;
}

.step-title {
  font-family: 'Noto Sans Thai', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--off-white);
  margin-bottom: 12px;
  line-height: 1.5;
}

.step-desc {
  font-size: 0.85rem;
  color: var(--grey-text);
  line-height: 1.8;
}

.guide-link-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 32px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--grey-mid);
  text-decoration: none;
  transition: var(--transition);
  gap: 20px;
}

.guide-link-card:hover {
  border-color: rgba(255,255,255,0.2);
  background: var(--grey-light);
  transform: translateY(-2px);
}

.guide-link-info {}

.guide-link-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.4rem;
  letter-spacing: 0.08em;
  color: var(--off-white);
  margin-bottom: 4px;
}

.guide-link-sub {
  font-size: 0.8rem;
  color: var(--grey-text);
}

.guide-link-arrow {
  font-size: 1.5rem;
  color: var(--grey-text);
  flex-shrink: 0;
  transition: var(--transition);
}

.guide-link-card:hover .guide-link-arrow {
  color: var(--off-white);
  transform: translateX(4px);
}

/* ── CONTACT ── */
#contact {
  background: var(--grey-dark);
  border-top: 1px solid var(--border);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 40px;
}

.contact-channel {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  border: 1px solid var(--border);
  border-radius: 8px;
  text-decoration: none;
  transition: var(--transition);
  background: var(--grey-mid);
}

.contact-channel:hover {
  border-color: rgba(255,255,255,0.15);
  background: var(--grey-light);
  transform: translateX(4px);
}

.channel-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
}

.channel-info {}

.channel-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--grey-text);
  margin-bottom: 2px;
}

.channel-value {
  font-size: 0.85rem;
  color: var(--off-white);
  font-weight: 500;
}

.location-card {
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--grey-mid);
  margin-bottom: 16px;
  transition: var(--transition);
}

.location-card:hover {
  border-color: rgba(255,255,255,0.12);
}

.location-num {
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--grey-text);
  margin-bottom: 10px;
}

.location-name {
  font-family: 'Noto Sans Thai', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--off-white);
  margin-bottom: 10px;
}

.location-addr {
  font-size: 0.82rem;
  color: var(--grey-text);
  line-height: 1.8;
}

.location-note {
  margin-top: 12px;
  font-size: 0.75rem;
  color: var(--grey-text);
  padding: 8px 12px;
  background: rgba(255,255,255,0.03);
  border-radius: 4px;
  border-left: 2px solid var(--grey-light);
}

/* ── FOOTER ── */
footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  background: var(--black);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-logo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.2rem;
  letter-spacing: 0.12em;
  color: var(--grey-text);
}

.footer-text {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--grey-text);
  text-align: center;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--grey-text);
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--off-white);
}

/* ── SCROLL REVEAL ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── RAINBOW DIVIDER ── */
.rainbow-divider {
  height: 2px;
  background: var(--rainbow);
  width: 60px;
  border-radius: 2px;
  margin-bottom: 24px;
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .feature-item:nth-child(2) {
    border-right: none;
  }

  .feature-item:nth-child(1),
  .feature-item:nth-child(2) {
    border-bottom: 1px solid var(--border);
  }

  .guide-steps {
    grid-template-columns: 1fr;
  }

  .contact-grid,
  .custom-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .series-header {
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(10,10,10,0.98);
    backdrop-filter: blur(12px);
    padding: 16px;
    flex-direction: column;
    border-bottom: 1px solid var(--border);
    gap: 4px;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 12px 16px;
    width: 100%;
  }

  .nav-burger {
    display: flex;
  }

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

  .feature-item {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .feature-item:last-child {
    border-bottom: none;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

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

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}

/* ── MODUSPACE BADGE ── */
.official-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px;
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--grey-text);
  background: var(--grey-mid);
  margin-top: 32px;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
}

.official-badge:hover {
  border-color: rgba(255,255,255,0.25);
  color: var(--off-white);
  background: var(--grey-light);
}

.official-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #6bcb77;
  flex-shrink: 0;
}