/* =========================================================
   Warsonco Robotics — Minimal Tech Marketing Stylesheet
   ========================================================= */

:root {
  --bg: #0a0b0f;
  --bg-2: #0f1117;
  --surface: #12151c;
  --surface-2: #171b24;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #e7e9ee;
  --text-dim: #9aa0ad;
  --text-mute: #6b7180;
  --accent: #3b82f6;
  --accent-2: #06b6d4;
  --accent-grad: linear-gradient(135deg, #3b82f6 0%, #06b6d4 50%, #10b981 100%);
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 20px 60px -30px rgba(0, 0, 0, 0.8);
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  position: relative;
}

img, svg { display: block; max-width: 100%; }

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

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

/* Background decorations */
.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at top, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at top, #000 30%, transparent 80%);
  pointer-events: none;
  z-index: 0;
}

.bg-glow {
  position: fixed;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 700px;
  background: radial-gradient(circle, rgba(59,130,246,.18) 0%, rgba(6,182,212,.08) 35%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

/* Navigation */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  background: rgba(10, 11, 15, 0.7);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
}

.brand-mark {
  color: var(--accent);
  display: inline-flex;
}

.brand-dot { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 32px;
  font-size: 14px;
  color: var(--text-dim);
}

.nav-links a {
  transition: color .2s;
  position: relative;
}

.nav-links a:hover { color: var(--text); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: -0.005em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .2s ease;
  text-decoration: none;
  font-family: inherit;
}

.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-block { width: 100%; justify-content: center; padding: 14px; }

.btn-primary {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}

.btn-primary:hover {
  background: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px -8px rgba(255,255,255,.3);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}

.btn-ghost:hover {
  background: var(--surface);
  border-color: var(--text-dim);
}

.arrow { transition: transform .2s ease; display: inline-block; }
.btn:hover .arrow { transform: translateX(3px); }

/* Hero */
.hero {
  position: relative;
  z-index: 1;
  padding: 96px 0 72px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 28px;
  font-family: var(--mono);
}

.pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, .6);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(16, 185, 129, .6); }
  70%  { box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
  font-size: clamp(38px, 6vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 800;
  margin-bottom: 24px;
}

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

.hero-sub {
  font-size: clamp(16px, 1.4vw, 19px);
  color: var(--text-dim);
  max-width: 680px;
  margin: 0 auto 40px;
}

.hero-cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 88px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 820px;
  margin: 0 auto;
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.stat { text-align: center; }

.stat-num {
  font-family: var(--mono);
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 600;
  letter-spacing: -0.02em;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 12px;
  color: var(--text-mute);
  margin-top: 6px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

/* Sections */
.section {
  position: relative;
  z-index: 1;
  padding: 96px 0;
}

.section-alt {
  background: linear-gradient(180deg, transparent, rgba(255,255,255,.015) 50%, transparent);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.eyebrow {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent-2);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.section-head h2 {
  font-size: clamp(30px, 4vw, 44px);
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: 16px;
  font-weight: 700;
}

.section-sub {
  color: var(--text-dim);
  font-size: 17px;
}

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all .3s ease;
}

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

.product-card {
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 100% 0%, rgba(59,130,246,.08), transparent 40%);
  opacity: 0;
  transition: opacity .3s;
  pointer-events: none;
}

.product-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow);
}

.product-card:hover::before { opacity: 1; }

.card-highlight {
  border-color: rgba(59,130,246,.3);
  background: linear-gradient(180deg, rgba(59,130,246,.06), var(--surface) 60%);
}

.card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--accent);
  margin-bottom: 20px;
}

.card-icon svg { width: 22px; height: 22px; }

.product-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.product-card p {
  color: var(--text-dim);
  font-size: 15px;
  margin-bottom: 20px;
}

.feat-list {
  list-style: none;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.feat-list li {
  font-size: 13px;
  color: var(--text-dim);
  padding: 6px 0;
  position: relative;
  padding-left: 18px;
}

.feat-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent-2);
}

/* Features grid */
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature {
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.feature-num {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent-2);
  margin-bottom: 16px;
}

.feature h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature p {
  font-size: 14px;
  color: var(--text-dim);
}

/* Why section */
.why-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.why-copy h2 {
  font-size: clamp(30px, 4vw, 44px);
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin: 14px 0 20px;
  font-weight: 700;
}

.why-copy p {
  color: var(--text-dim);
  margin-bottom: 28px;
  font-size: 17px;
}

.check-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.check-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--text);
}

.check {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(16,185,129,.12);
  color: #10b981;
  font-size: 12px;
  flex-shrink: 0;
}

/* Terminal visual */
.terminal {
  background: #0a0c11;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.terminal-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}

.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }

.terminal-title {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-mute);
}

.terminal-body {
  padding: 24px;
  font-family: var(--mono);
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--text);
  white-space: pre-wrap;
}

.tok-com { color: var(--text-mute); }
.tok-key { color: #60a5fa; }
.tok-str { color: #10b981; }
.tok-num { color: #fbbf24; }

/* Contact */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-copy h2 {
  font-size: clamp(30px, 4vw, 44px);
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin: 14px 0 20px;
  font-weight: 700;
}

.contact-copy p {
  color: var(--text-dim);
  font-size: 17px;
  margin-bottom: 36px;
}

.contact-meta {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-meta > div {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--border);
  font-size: 15px;
}

.contact-meta > div:last-child { border-bottom: 1px solid var(--border); }

.meta-label {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  min-width: 60px;
}

.contact-meta a:hover { color: var(--accent-2); }

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.contact-form span {
  font-size: 12px;
  color: var(--text-dim);
  font-family: var(--mono);
  letter-spacing: 0.02em;
}

.contact-form input,
.contact-form textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  transition: border-color .2s, background .2s;
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--surface);
}

.form-status {
  font-size: 13px;
  min-height: 20px;
  font-family: var(--mono);
}

.form-status.ok { color: #10b981; }
.form-status.err { color: #ef4444; }

/* Footer */
.footer {
  position: relative;
  z-index: 1;
  padding: 48px 0;
  border-top: 1px solid var(--border);
  background: var(--bg-2);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-brand p {
  color: var(--text-mute);
  font-size: 14px;
  margin-top: 8px;
  max-width: 380px;
}

.footer-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--text-mute);
  text-align: right;
  font-family: var(--mono);
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 960px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .why-wrap, .contact-wrap { grid-template-columns: 1fr; gap: 40px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .nav-links { display: none; }
}

@media (max-width: 560px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 48px; }
  .section { padding: 72px 0; }
  .hero-stats { padding: 24px 16px; gap: 16px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-meta { text-align: left; }
}