/* =========================================
   THARK — DESIGN SYSTEM
   ========================================= */
@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Barlow:wght@300;400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --bg:        #050505;
  --bg2:       #0d0d0d;
  --bg3:       #141414;
  --card:      #111111;
  --border:    #222222;
  --border2:   #333333;
  --text:      #e0e0e0;
  --dim:       #666666;
  --accent:    #ffffff;
  --green:     #00e676;
  --font-display: 'Bebas Neue', sans-serif;
  --font-body:    'Barlow', sans-serif;
  --font-mono:    'IBM Plex Mono', monospace;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* =========================================
   HEADER
   ========================================= */
header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(5,5,5,0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 18px 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 16px;
  text-decoration: none;
}

.logo {
  height: 46px;
  width: auto;
  filter: brightness(1.1);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: 3px;
  color: #fff;
  line-height: 1;
}

.brand-tag {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--green);
  letter-spacing: 2px;
  text-transform: uppercase;
}

nav.main-menu {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

nav.main-menu a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 1.5px;
  color: var(--dim);
  text-decoration: none;
  padding: 7px 14px;
  border: 1px solid transparent;
  border-radius: 3px;
  text-transform: uppercase;
  transition: all 0.2s;
}

nav.main-menu a:hover,
nav.main-menu a.active {
  color: #fff;
  border-color: var(--border2);
  background: var(--bg3);
}

/* =========================================
   MAIN & LAYOUT
   ========================================= */
main {
  flex: 1;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 5%;
}

.section {
  padding: 80px 0;
  animation: fadeUp 0.7s ease both;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--green);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 16px;
  display: block;
}

h1, h2.display {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 5rem);
  color: #fff;
  letter-spacing: 2px;
  line-height: 1.05;
  margin-bottom: 24px;
}

h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: #fff;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

h3 {
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 10px;
}

p {
  color: var(--dim);
  font-size: 1rem;
  max-width: 700px;
}

p.lead {
  color: #aaa;
  font-size: 1.15rem;
  max-width: 650px;
}

/* =========================================
   HERO (index)
   ========================================= */
.hero {
  padding: 100px 0 80px;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; right: -5%;
  width: 50%;
  height: 100%;
  background: radial-gradient(ellipse at top right, rgba(0,230,118,0.04) 0%, transparent 70%);
  pointer-events: none;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.hero-eyebrow::before {
  content: '';
  width: 32px;
  height: 1px;
  background: var(--green);
}

.hero-eyebrow span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--green);
  letter-spacing: 3px;
  text-transform: uppercase;
}

.hero h1 {
  margin-bottom: 28px;
}

.hero h1 em {
  font-style: normal;
  color: var(--green);
}

.hero p.lead {
  margin-bottom: 44px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Capabilities grid */
.capabilities {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin: 80px 0;
}

.cap-item {
  background: var(--bg);
  padding: 36px 32px;
  transition: background 0.3s;
}

.cap-item:hover { background: var(--bg3); }

.cap-num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--green);
  letter-spacing: 2px;
  margin-bottom: 16px;
  display: block;
}

.cap-item h3 { font-size: 1rem; margin-bottom: 8px; }
.cap-item p { font-size: 0.88rem; }

/* =========================================
   BUTTONS
   ========================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.25s;
  border: 1px solid;
}

.btn-primary {
  background: #fff;
  color: #000;
  border-color: #fff;
}

.btn-primary:hover {
  background: transparent;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,255,255,0.1);
}

.btn-secondary {
  background: transparent;
  color: #fff;
  border-color: var(--border2);
}

.btn-secondary:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.04);
  transform: translateY(-2px);
}

.btn-green {
  background: transparent;
  color: var(--green);
  border-color: var(--green);
}

.btn-green:hover {
  background: var(--green);
  color: #000;
  transform: translateY(-2px);
}

/* =========================================
   PRODUCTS GRID
   ========================================= */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin-top: 50px;
}

.product-card {
  background: var(--bg);
  padding: 44px 36px;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: background 0.25s;
  position: relative;
  overflow: hidden;
}

.product-card::after {
  content: '→';
  position: absolute;
  bottom: 36px;
  right: 36px;
  font-size: 1.2rem;
  color: var(--border2);
  transition: all 0.25s;
}

.product-card:hover {
  background: var(--bg3);
}

.product-card:hover::after {
  color: var(--green);
  transform: translateX(4px);
}

.product-tag {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 2px;
  color: var(--green);
  text-transform: uppercase;
  padding: 4px 10px;
  border: 1px solid rgba(0,230,118,0.25);
  border-radius: 2px;
  align-self: flex-start;
}

.product-card h3 {
  font-size: 1.25rem;
  color: #fff;
}

.product-card p {
  font-size: 0.88rem;
  max-width: 100%;
}

/* =========================================
   PRODUCT DETAIL PAGE
   ========================================= */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  padding: 80px 0;
  align-items: start;
}

.product-info .back-link {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--dim);
  text-decoration: none;
  letter-spacing: 2px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 32px;
  transition: color 0.2s;
}
.product-info .back-link:hover { color: #fff; }

.feature-list {
  list-style: none;
  margin: 32px 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
  color: #bbb;
}

.feature-list li::before {
  content: '▸';
  color: var(--green);
  flex-shrink: 0;
  margin-top: 1px;
}

.product-aside {
  position: sticky;
  top: 100px;
}

.product-stats {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}

.stat-row:last-child { border-bottom: none; }
.stat-label { color: var(--dim); font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 1px; }
.stat-value { color: #fff; font-weight: 600; }

/* =========================================
   RECOMMENDATIONS
   ========================================= */
.recs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 50px;
}

.rec-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color 0.25s, transform 0.25s;
}

.rec-card:hover {
  border-color: var(--border2);
  transform: translateY(-4px);
}

.store-badge {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  align-self: flex-start;
}

.badge-magalu  { background: #0086ff22; color: #4da6ff; border: 1px solid #0086ff44; }
.badge-shopee  { background: #ee4d2d22; color: #ff7a5c; border: 1px solid #ee4d2d44; }
.badge-ml      { background: #ffe60022; color: #ffe600; border: 1px solid #ffe60044; }
.badge-amazon  { background: #ff990022; color: #ffb347; border: 1px solid #ff990044; }

.rec-card h3 { font-size: 1rem; }
.rec-card p { font-size: 0.85rem; max-width: 100%; }

.disclaimer {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--dim);
  text-align: center;
  margin-top: 48px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 4px;
}

/* =========================================
   CONTACT
   ========================================= */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin-top: 50px;
}

.contact-item {
  background: var(--bg);
  padding: 50px 44px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-decoration: none;
  color: inherit;
  transition: background 0.25s;
}

.contact-item:hover { background: var(--bg3); }

.contact-icon {
  width: 48px;
  height: 48px;
  border: 1px solid var(--border2);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.contact-platform {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--green);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.contact-item h3 { font-size: 1.1rem; }
.contact-item p  { font-size: 0.88rem; max-width: 100%; }

/* =========================================
   CLIENT AREA
   ========================================= */
.auth-container {
  max-width: 480px;
  margin: 80px auto;
}

.auth-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0;
}

.auth-tab {
  flex: 1;
  padding: 14px;
  background: none;
  border: none;
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.auth-tab.active {
  color: #fff;
  border-bottom-color: #fff;
}

.auth-panel {
  display: none;
  background: var(--card);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 8px 8px;
  padding: 36px;
}

.auth-panel.active { display: block; }

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 1.5px;
  color: var(--dim);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.form-group input {
  width: 100%;
  padding: 13px 16px;
  background: var(--bg2);
  border: 1px solid var(--border2);
  color: #fff;
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s, background 0.2s;
}

.form-group input:focus {
  border-color: #fff;
  background: #111;
}

.form-msg {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-align: center;
  margin-top: 14px;
  min-height: 18px;
  letter-spacing: 0.5px;
}

.form-msg.error  { color: #ff5252; }
.form-msg.success { color: var(--green); }

/* Dashboard */
.dashboard { display: none; }
.dashboard.active { display: block; }

.dash-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 36px 0 40px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 40px;
}

.dash-id {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--green);
  letter-spacing: 2px;
}

.dash-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 40px;
}

.dash-card {
  background: var(--bg);
  padding: 28px 24px;
}

.dash-card-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--dim);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.dash-card-value {
  font-size: 1rem;
  color: #fff;
  font-weight: 500;
  word-break: break-all;
}

/* =========================================
   FOOTER
   ========================================= */
footer {
  border-top: 1px solid var(--border);
  padding: 40px 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: 3px;
  color: #fff;
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--dim);
  letter-spacing: 1px;
}

/* =========================================
   WHATSAPP FLOAT
   ========================================= */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: #25d366;
  color: #000;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 13px 18px;
  border-radius: 4px;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 20px rgba(37,211,102,0.3);
  transition: all 0.25s;
  z-index: 800;
}

.whatsapp-float:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(37,211,102,0.4);
}

/* =========================================
   DIVIDERS & MISC
   ========================================= */
.divider {
  height: 1px;
  background: var(--border);
  margin: 60px 0;
}

hr { border: none; border-top: 1px solid var(--border); margin: 28px 0; }

/* =========================================
   ANIMATIONS
   ========================================= */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 900px) {
  .capabilities     { grid-template-columns: 1fr; }
  .product-detail   { grid-template-columns: 1fr; gap: 48px; }
  .product-aside    { position: static; }
  .contact-grid     { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  header { flex-wrap: wrap; }
  .brand-name { font-size: 1.3rem; }
  h1, h2.display { font-size: 2.4rem; }
  .section { padding: 56px 0; }
  .hero { padding: 60px 0 48px; }
  .auth-container { margin: 48px auto; }
  .auth-panel { padding: 24px; }
  footer { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 500px) {
  .hero-cta { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
}