.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: clamp(3rem, 8vw, 6rem);
  align-items: flex-start;
}
.problem-text h2 {
  text-align: left;
}
.problem-text p {
  color: var(--muted);
  font-size: 1.05rem;
}
.eyebrow {
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  color: var(--accent-dark);
  margin-bottom: 0.8rem;
}

.section.workflow {
  padding: clamp(2.8rem, 5vw, 4rem) 0;
}
.workflow-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: clamp(1rem, 3vw, 1.6rem);
  margin-top: 2.1rem;
}
.workflow-step {
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 1.1rem 1.2rem;
  background: color-mix(in srgb, var(--card) 92%, transparent);
  box-shadow: 0 12px 26px rgba(0,0,0,0.08);
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.llm-block {
  background: color-mix(in srgb, var(--accent) 16%, transparent);
}
.llm-summary {
  max-width: 820px;
  margin: 0 auto;
}
.llm-summary ul {
  list-style: disc;
  padding-left: 1.2rem;
  color: var(--muted);
}
.step-icon {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: var(--accent);
  color: white;
  display: grid;
  place-items: center;
  font-weight: 700;
  margin-bottom: 0.6rem;
}
.step-visual {
  margin-top: 0.5rem;
  padding: 0.2rem 0;
}
.step-visual img {
  width: 100%;
  max-width: 180px;
  border-radius: 16px;
  box-shadow: none;
  filter: drop-shadow(0 15px 25px rgba(0,0,0,0.12));
  background: transparent;
  margin: 0 auto;
}

.feature-focus-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.4rem;
  margin-top: 3rem;
}
.feature-focus-card {
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 1.5rem;
  background: var(--card);
  box-shadow: 0 20px 35px rgba(0,0,0,0.08);
  text-align: left;
}
.feature-focus-card .icon {
  font-size: 1.6rem;
  margin-bottom: 0.8rem;
}

.faq-list details {
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 1rem 1.2rem;
  background: var(--card);
}
.faq-list details + details {
  margin-top: 1rem;
}

.final-cta {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: white;
}
.final-cta .cta-box {
  text-align: center;
}
.final-cta p { color: rgba(255,255,255,0.85); }
.cta-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
  margin-top: 1.5rem;
}
.primary-btn {
  display: inline-flex;
  padding: 0.85rem 1.8rem;
  border-radius: 999px;
  background: white;
  color: var(--accent-dark);
  font-weight: 600;
  text-decoration: none;
}
.final-cta .app-store-badge img {
  height: 44px;
}
.final-cta .cta-button {
  background: white;
  color: var(--accent-dark);
  border-color: transparent;
}
.journeys .container {
  width: min(1200px, 92vw);
}
.journeys-header h2 {
  text-align: center;
}
.journey-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.4rem;
  margin-top: 3rem;
}
.journey-card {
  border-radius: 18px;
  border: none;
  background: transparent;
  box-shadow: none;
  padding-bottom: 1.2rem;
  max-width: 320px;
  margin: 0 auto;
}
.journey-media {
  padding: 0.6rem;
}
.journey-media img {
  width: 100%;
  display: block;
  border-radius: 20px;
  box-shadow: 0 18px 36px rgba(0,0,0,0.12);
  background: transparent;
}
.journey-card h3 {
  margin: 1rem 1rem 0.4rem;
}
.journey-card p {
  margin: 0 1rem 1.2rem;
  color: var(--muted);
}
.reveal-visible {
  animation: reveal 0.6s ease forwards;
}

@keyframes reveal {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
:root {
  --bg: #f8faf8;
  --fg: #0f1b12;
  --muted: #5c6f60;
  --accent: #5ac78c;
  --accent-dark: #2e8b57;
  --card: #ffffff;
  --card-border: rgba(15, 27, 18, 0.08);
}

:root[data-theme="dark"] {
  --bg: #060a07;
  --fg: #f1fff4;
  --muted: #9bb6a0;
  --accent: #63d29a;
  --accent-dark: #9beaae;
  --card: #111b13;
  --card-border: rgba(247, 255, 250, 0.1);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Inter", "SF Pro Display", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  scroll-behavior: smooth;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
p { margin: 0 0 1rem; }

.container {
  width: min(1200px, 90vw);
  margin: 0 auto;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  background: rgba(248, 250, 248, 0.9);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(15, 27, 18, 0.06);
  z-index: 50;
}
:root[data-theme="dark"] .navbar {
  background: rgba(6, 10, 7, 0.85);
  border-color: rgba(255, 255, 255, 0.08);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 5vw;
}

.logo-img {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  box-shadow: 0 8px 16px rgba(0,0,0,0.08);
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
}

.navbar-links {
  list-style: none;
  display: flex;
  gap: 1.6rem;
  margin: 0;
  padding: 0;
}
.navbar-links a {
  color: var(--muted);
  font-weight: 500;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.lang-switcher {
  display: flex;
  border: 1px solid var(--card-border);
  border-radius: 999px;
  overflow: hidden;
  background: var(--card);
}

.lang-btn {
  border: none;
  background: transparent;
  padding: 0.35rem 0.9rem;
  font-size: 0.85rem;
  color: var(--muted);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.lang-btn.active {
  background: var(--accent);
  color: white;
}

.app-store-badge img {
  height: 40px;
}

.theme-toggle,
.mobile-menu-toggle {
  border: 1px solid var(--card-border);
  background: var(--card);
  color: var(--fg);
  border-radius: 100px;
  padding: 0.4rem 0.9rem;
  cursor: pointer;
  font-size: 1rem;
}
.theme-toggle {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.icon-sun { display: inline-block; }
.icon-moon { display: none; }
:root[data-theme="dark"] .icon-sun { display: none; }
:root[data-theme="dark"] .icon-moon { display: inline-block; }

.mobile-menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}
.mobile-menu-toggle span {
  display: block;
  height: 2px;
  width: 24px;
  background: var(--fg);
}

/* Hero */
.hero {
  padding: clamp(3rem, 8vw, 5rem) 0;
}
.hero-shell {
  width: min(1200px, 92vw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.hero-content h1 {
  font-size: clamp(2.8rem, 6vw, 4rem);
  line-height: 1.05;
  margin-bottom: 1rem;
}
.hero-subtitle {
  font-size: 1.1rem;
  color: var(--muted);
  margin-bottom: 1.6rem;
}
.hero-cta {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.75rem 1.4rem;
  border-radius: 999px;
  border: 1px solid var(--card-border);
  background: var(--fg);
  color: var(--bg);
  font-weight: 600;
}
.cta-button img {
  height: 34px;
}
.hero-note {
  color: var(--muted);
  font-size: 0.9rem;
}
.hero-visual {
  display: flex;
  justify-content: center;
}
.device-frame {
  width: min(260px, 75vw);
  padding: 0;
  border-radius: 36px;
  background: transparent;
}
.device-frame.slim {
  width: min(240px, 70vw);
}
.device-frame img {
  width: 100%;
  display: block;
  border-radius: 32px;
  filter: drop-shadow(0 25px 45px rgba(0,0,0,0.18));
  animation: heroPulse 6s ease-in-out infinite;
}

.hero-app-icon { display:none; }

@keyframes heroPulse {
  0%, 55%, 100% { transform: scale(1); }
  30% { transform: scale(1.04); }
}

.scroll-indicator {
  margin: 2.5rem auto 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  text-decoration: none;
  color: var(--muted);
  width: fit-content;
}
.scroll-indicator span {
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.scroll-indicator:hover { color: var(--fg); }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  background: rgba(90, 199, 140, 0.12);
  color: var(--accent-dark);
  font-weight: 600;
  margin-bottom: 1rem;
}
.hero-cta {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.hero-note {
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-mockup {
  background: radial-gradient(circle at 20% 20%, rgba(90, 199, 140, 0.25), transparent 50%);
  border-radius: 32px;
  padding: 1px;
}
.mockup-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.mockup-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 1.3rem;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.08);
}
.mockup-label {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  color: var(--muted);
}
.mockup-screen {
  margin-top: 0.8rem;
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(90,199,140,0.1), rgba(255,255,255,0));
  padding: 1rem;
  min-height: 200px;
}
.mockup-temp {
  font-weight: 600;
}
.mockup-timer {
  font-size: 3rem;
  font-weight: 600;
}
.mockup-progress {
  height: 8px;
  border-radius: 999px;
  background: rgba(0,0,0,0.08);
  margin: 1rem 0;
  position: relative;
}
.mockup-progress::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  width: 65%;
  background: linear-gradient(90deg, var(--accent), var(--accent-dark));
}
.mockup-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}
.mockup-list li {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--card-border);
  padding-bottom: 0.5rem;
}

.scroll-indicator {
  margin-top: 3rem;
  text-align: center;
  color: var(--muted);
}
.chevrons {
  display: flex;
  flex-direction: column;
  gap: -6px;
  align-items: center;
}
.chevrons span {
  display: block;
  width: 12px;
  height: 12px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  animation: bounce 1.8s infinite;
}
.chevrons span:nth-child(2) { animation-delay: 0.3s; }
@keyframes bounce {
  0%, 40%, 100% { opacity: 0; transform: translateY(-5px) rotate(45deg);} 
  60% { opacity: 1; transform: translateY(2px) rotate(45deg);} 
}

.section {
  padding: clamp(3.5rem, 7vw, 5rem) 0;
}
.section h2 {
  font-size: clamp(2rem, 3vw, 2.8rem);
  text-align: center;
  margin-bottom: 0.5rem;
}
.section-subtitle {
  text-align: center;
  color: var(--muted);
  max-width: 600px;
  margin: 0 auto 3rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}
.feature-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 1.5rem;
  box-shadow: 0 20px 35px rgba(0,0,0,0.08);
}
.feature-card .icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(90, 199, 140, 0.12);
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.how-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}
.how-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 1.5rem;
}
.how-card .step {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: var(--accent);
  color: white;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  margin-bottom: 1rem;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}
.problem-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 1.5rem;
}
.problem-card .icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(90, 199, 140, 0.12);
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}
.workflow-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 1.5rem;
}
.workflow-card .icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(90, 199, 140, 0.12);
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.feature-focus-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}
.feature-focus-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 1.5rem;
}
.feature-focus-card .icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(90, 199, 140, 0.12);
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.cta-section {
  padding: 6rem 0;
  background: linear-gradient(120deg, var(--accent), var(--accent-dark));
  border-radius: 24px;
  text-align: center;
  color: white;
  box-shadow: 0 30px 60px rgba(90, 199, 140, 0.3);
}

.detail-grid,
.screens-grid,
.phone-frame,
.screen-placeholder { display: none; }

.faq-list details {
  border: 1px solid var(--card-border);
  border-radius: 14px;
  margin-bottom: 1rem;
  padding: 1rem 1.2rem;
  background: var(--card);
}
.faq-list summary {
  cursor: pointer;
  font-weight: 600;
}
.faq-list p {
  margin: 0.5rem 0 0;
  color: var(--muted);
}

.cta {
  padding-bottom: 6rem;
}
.cta-box {
  background: linear-gradient(120deg, var(--accent), var(--accent-dark));
  border-radius: 24px;
  padding: 3rem;
  text-align: center;
  color: white;
  box-shadow: 0 30px 60px rgba(90, 199, 140, 0.3);
}
.cta-box img {
  filter: drop-shadow(0 10px 15px rgba(0,0,0,0.3));
}

.footer {
  border-top: 1px solid var(--card-border);
  padding: 2rem 0 3rem;
}
.footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
}
.footer-links {
  display: flex;
  gap: 1rem;
}
.footer-links a {
  color: var(--muted);
  font-size: 0.95rem;
}
.footer-copy {
  color: var(--muted);
  font-size: 0.85rem;
}

@media (max-width: 900px) {
  .navbar-links {
    position: fixed;
    top: 64px;
    right: 5vw;
    flex-direction: column;
    background: var(--card);
    padding: 1rem 1.5rem;
    border-radius: 16px;
    border: 1px solid var(--card-border);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    display: none;
  }
  .navbar-links.open { display: flex; }
  .mobile-menu-toggle { display: flex; }
}