/* AgentUp landing — design tokens follow the logo palette (navy outline / light blue-grey bg) */

:root {
  --bg: #dde6ec;
  --bg-alt: #cddae2;
  --surface: #f5f9fb;
  --surface-border: #b9c9d1;
  --text: #16323f;
  --text-soft: #3c5866;
  --text-faint: #5c7986;
  --accent: #189e7e;
  --accent-strong: #117a61;
  --accent-contrast: #f5fffb;
  --shadow: 0 12px 32px -16px rgba(22, 50, 63, 0.25);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 9px;
  --max-width: 1140px;
}

html[data-theme="dark"] {
  --bg: #0d1b22;
  --bg-alt: #112832;
  --surface: #15303c;
  --surface-border: #234555;
  --text: #e9f2f5;
  --text-soft: #aec4cd;
  --text-faint: #84a0aa;
  --accent: #2bd6a8;
  --accent-strong: #5be8c2;
  --accent-contrast: #06241c;
  --shadow: 0 16px 40px -18px rgba(0, 0, 0, 0.55);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition: background 0.25s ease, color 0.25s ease;
}

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

a { color: inherit; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }

h1, h2, h3 { line-height: 1.2; margin: 0 0 16px; }

h1 { font-size: clamp(2.1rem, 4.5vw, 3.2rem); }
h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); }
h3 { font-size: 1.25rem; }

p { color: var(--text-soft); margin: 0 0 16px; }

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-strong);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.section-head {
  max-width: 640px;
  margin: 0 auto 56px;
  text-align: center;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--surface-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
  gap: 16px;
}

.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; text-decoration: none; }
.brand img { width: 38px; height: 38px; }

.nav-links { display: flex; gap: 28px; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  position: relative;
  text-decoration: none;
  color: var(--text-soft);
  font-size: 0.95rem;
  font-weight: 500;
  padding-bottom: 4px;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.nav-links a:hover { color: var(--accent-strong); }
.nav-links a:hover::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: 10px; }

.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--surface-border);
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text);
  font-size: 1rem;
}

.lang-switch {
  border: 1px solid var(--surface-border);
  background: var(--surface);
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--text-soft);
}

.theme-icon-dark { display: none; }
html[data-theme="dark"] .theme-icon-light { display: none; }
html[data-theme="dark"] .theme-icon-dark { display: inline; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.97rem;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }

.btn-primary { background: var(--accent); color: var(--accent-contrast); box-shadow: var(--shadow); }
.btn-primary:hover {
  background: var(--accent-strong);
  box-shadow: var(--shadow), 0 0 0 6px color-mix(in srgb, var(--accent) 22%, transparent), 0 0 26px color-mix(in srgb, var(--accent) 60%, transparent);
}

.btn-outline { background: transparent; border-color: var(--surface-border); color: var(--text); }
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent-strong);
  box-shadow: 0 0 16px color-mix(in srgb, var(--accent) 35%, transparent);
}

.btn-block { width: 100%; justify-content: center; }

/* Hero */
.hero { padding-top: 72px; position: relative; overflow: hidden; }
.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
  opacity: 0.45;
  z-index: 0;
}
.hero-blob-1 {
  width: 420px;
  height: 420px;
  top: 10px;
  left: -160px;
  background: radial-gradient(circle, var(--accent), transparent 70%);
  animation: blob-float-1 16s ease-in-out infinite alternate;
}
.hero-blob-2 {
  width: 360px;
  height: 360px;
  bottom: 10px;
  right: -140px;
  background: radial-gradient(circle, var(--accent-strong), transparent 70%);
  animation: blob-float-2 20s ease-in-out infinite alternate;
}
html[data-theme="dark"] .hero-blob { opacity: 0.32; }

@keyframes blob-float-1 {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(60px, 40px) scale(1.15); }
}
@keyframes blob-float-2 {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-40px, -30px) scale(1.1); }
}
@media (prefers-reduced-motion: reduce) {
  .hero-blob { animation: none; }
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.hero-art {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  text-align: center;
  box-shadow: var(--shadow);
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 40px;
}
.hero-stats div { text-align: center; }
.hero-stats strong { display: block; font-size: 1.5rem; color: var(--accent-strong); }
.hero-stats span { font-size: 0.85rem; color: var(--text-faint); }

/* Hero automation flow mockup */
.flow-caption {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-faint);
  margin-bottom: 12px;
  padding-left: 2px;
}
.flow-mock {
  background: var(--bg);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  padding: 22px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
}
.flow-step {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
}
.flow-step-active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent) inset;
}
.flow-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  flex-shrink: 0;
}
.flow-step-active .flow-icon {
  animation: icon-pulse 2.2s ease-in-out infinite;
}
@keyframes icon-pulse {
  0%, 100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 55%, transparent); }
  50% { box-shadow: 0 0 0 8px color-mix(in srgb, var(--accent) 0%, transparent); }
}
@media (prefers-reduced-motion: reduce) {
  .flow-step-active .flow-icon { animation: none; }
}
.flow-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-faint);
  margin-bottom: 4px;
}
.flow-msg {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text);
}
.flow-arrow {
  text-align: center;
  color: var(--text-faint);
  font-size: 1.1rem;
  padding: 4px 0;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: 0 0 28px color-mix(in srgb, var(--accent) 25%, transparent);
}
.service-card .icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 18px;
  transition: transform 0.25s ease;
}
.service-card:hover .icon { transform: scale(1.12) rotate(-4deg); }
.service-card p { margin-bottom: 0; font-size: 0.95rem; }

/* How it works */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: step;
}
.step {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  padding: 26px 22px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.step:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: 0 0 28px color-mix(in srgb, var(--accent) 22%, transparent);
}
.step::before {
  counter-increment: step;
  content: counter(step);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-contrast);
  font-weight: 700;
  margin-bottom: 14px;
}
.step p { font-size: 0.92rem; margin-bottom: 0; }

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}
.price-card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: 30px;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.price-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}
.price-card.featured {
  border-color: var(--accent);
  box-shadow: var(--shadow);
  transform: translateY(-8px);
  animation: featured-glow 3s ease-in-out infinite;
}
.price-card.featured:hover { transform: translateY(-12px); }
@keyframes featured-glow {
  0%, 100% { box-shadow: var(--shadow), 0 0 0 0 color-mix(in srgb, var(--accent) 35%, transparent); }
  50% { box-shadow: var(--shadow), 0 0 32px 4px color-mix(in srgb, var(--accent) 35%, transparent); }
}
@media (prefers-reduced-motion: reduce) {
  .price-card.featured { animation: none; }
}
.price-card .plan-name { font-weight: 700; font-size: 1.05rem; margin-bottom: 4px; }
.price-card .plan-tag { font-size: 0.82rem; color: var(--text-faint); margin-bottom: 18px; }

.price-row { margin-bottom: 6px; }
.price-was { text-decoration: line-through; color: var(--text-faint); font-size: 0.85rem; }
.price-now { font-size: 1.9rem; font-weight: 800; }
.price-unit { font-size: 0.82rem; color: var(--text-faint); margin-bottom: 14px; }

.price-sub-was { text-decoration: line-through; color: var(--text-faint); font-size: 0.8rem; }
.price-sub-now { font-size: 1.2rem; font-weight: 700; }
.price-sub-unit { font-size: 0.82rem; color: var(--text-faint); margin-bottom: 18px; }

.price-card ul { list-style: none; padding: 0; margin: 0 0 24px; flex-grow: 1; }
.price-card li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.92rem;
  color: var(--text-soft);
  margin-bottom: 12px;
}
.price-card li::before { content: "✓"; color: var(--accent-strong); font-weight: 700; }

.badge-recommend {
  align-self: flex-start;
  background: var(--accent);
  color: var(--accent-contrast);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.pricing-note {
  display: flex;
  gap: 14px;
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  padding: 22px 26px;
  margin-top: 28px;
}
.pricing-note .icon { font-size: 1.3rem; }
.pricing-note h4 { margin: 0 0 6px; font-size: 1rem; }
.pricing-note p { margin: 0; font-size: 0.92rem; }

.pilot-banner {
  margin-top: 20px;
  border-left: 4px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, var(--surface));
  border-radius: var(--radius-sm);
  padding: 20px 26px;
}
.pilot-banner h4 { margin: 0 0 6px; font-size: 1rem; }
.pilot-banner p { margin: 0; font-size: 0.92rem; }

/* CTA / Footer */
.cta-section {
  background: var(--bg-alt);
  border-radius: var(--radius-lg);
  margin: 0 24px;
  padding: 64px 40px;
  text-align: center;
}
.cta-section h2 { margin-bottom: 12px; }
.cta-section p { max-width: 520px; margin: 0 auto 28px; }

.site-footer {
  padding: 48px 0 32px;
  text-align: center;
  color: var(--text-faint);
  font-size: 0.85rem;
}
.site-footer a { text-decoration: none; color: var(--text-faint); }
.site-footer a:hover { color: var(--accent-strong); }
.footer-links { display: flex; justify-content: center; gap: 22px; margin-top: 14px; flex-wrap: wrap; }

/* Responsive */
@media (max-width: 880px) {
  section { padding: 64px 0; }
  .hero .container { grid-template-columns: 1fr; }
  .hero-art { order: -1; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .price-card.featured { transform: none; }
  .nav-links { display: none; }
  .cta-section { margin: 0 12px; padding: 48px 24px; }
}

@media (max-width: 560px) {
  .services-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr; gap: 10px; }
}