/* ============================================================
   Opsalis Product Brochure — Shared Stylesheet
   Colors: white #ffffff, dark slate #1e293b, teal #00b894
   ============================================================ */

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  background: #f8fafc;
  color: #334155;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: #00b894;
  text-decoration: none;
  transition: color 0.2s;
}
a:hover {
  color: #00a381;
}

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

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  color: #1e293b;
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: 3.25rem; letter-spacing: -0.03em; }
h2 { font-size: 2.25rem; letter-spacing: -0.02em; }
h3 { font-size: 1.375rem; }
h4 { font-size: 1.125rem; }

p {
  max-width: 42rem;
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: 6rem 0;
}

section + section {
  border-top: 1px solid #e2e8f0;
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid #e2e8f0;
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 3.75rem;
}

.nav-logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: #1e293b;
  letter-spacing: -0.02em;
}

.nav-logo span {
  color: #00b894;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: #64748b;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: #1e293b;
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
}

.nav-toggle span {
  display: block;
  width: 1.5rem;
  height: 2px;
  background: #475569;
  margin: 5px 0;
  transition: transform 0.3s, opacity 0.3s;
}

/* ---------- Hero ---------- */
.hero {
  padding: 10rem 0 6rem;
  text-align: center;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(0, 184, 148, 0.06) 0%, transparent 70%),
    linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.hero h1 {
  margin-bottom: 1.25rem;
}

.hero .subheadline {
  font-size: 1.25rem;
  color: #64748b;
  max-width: 36rem;
  margin: 0 auto 2.5rem;
  line-height: 1.6;
}

/* ---------- CTA Button ---------- */
.btn {
  display: inline-block;
  padding: 0.875rem 2.25rem;
  font-size: 1rem;
  font-weight: 600;
  color: #ffffff;
  background: #00b894;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, background 0.2s;
  text-decoration: none;
}

.btn:hover {
  background: #00a381;
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(0, 184, 148, 0.25);
}

.btn:active {
  transform: translateY(0);
}

.btn-secondary {
  background: transparent;
  color: #00b894;
  border: 1px solid rgba(0, 184, 148, 0.4);
}

.btn-secondary:hover {
  background: rgba(0, 184, 148, 0.06);
  color: #00a381;
  border-color: #00b894;
}

.btn-small {
  padding: 0.625rem 1.5rem;
  font-size: 0.9rem;
}

/* ---------- Section Headers ---------- */
.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #00b894;
  margin-bottom: 0.75rem;
}

.section-title {
  margin-bottom: 1rem;
}

.section-desc {
  color: #64748b;
  font-size: 1.1rem;
  margin-bottom: 3.5rem;
}

.text-center {
  text-align: center;
}

.text-center p,
.text-center .section-desc {
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Card Grid (3 Pillars) ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 2.25rem 2rem;
  transition: border-color 0.25s, box-shadow 0.25s;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.card:hover {
  border-color: rgba(0, 184, 148, 0.3);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.card-icon {
  width: 3rem;
  height: 3rem;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  background: rgba(0, 184, 148, 0.08);
  color: #00b894;
  font-size: 1.25rem;
  font-weight: 800;
}

.card h3 {
  margin-bottom: 0.75rem;
}

.card p {
  color: #64748b;
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ---------- Steps (How It Works) ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  counter-reset: step;
}

.step {
  position: relative;
  counter-increment: step;
}

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: rgba(0, 184, 148, 0.08);
  color: #00b894;
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  border: 1px solid rgba(0, 184, 148, 0.2);
}

.step h4 {
  margin-bottom: 0.5rem;
}

.step p {
  color: #64748b;
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Connector line between steps */
.step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 1.375rem;
  left: calc(2.75rem + 0.75rem);
  right: -0.75rem;
  height: 1px;
  background: rgba(0, 184, 148, 0.2);
}

/* ---------- Protocol Badges ---------- */
.protocol-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 2rem;
  margin-bottom: 2rem;
}

.protocol-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1.25rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: #00b894;
  background: rgba(0, 184, 148, 0.06);
  border: 1px solid rgba(0, 184, 148, 0.2);
  border-radius: 100px;
  letter-spacing: 0.02em;
  font-family: "SF Mono", SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
}

.protocol-note {
  color: #64748b;
  font-size: 1rem;
  max-width: 36rem;
  margin: 0 auto;
  text-align: center;
}

/* ---------- Pricing Box ---------- */
.pricing-box {
  max-width: 40rem;
  margin: 0 auto;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 3rem;
  text-align: center;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.pricing-box .price-headline {
  font-size: 1.5rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 1rem;
}

.pricing-box p {
  color: #64748b;
  font-size: 1rem;
  margin: 0 auto;
  line-height: 1.65;
}

.pricing-box p + p {
  margin-top: 1rem;
}

/* ---------- Code Blocks ---------- */
.code-block {
  position: relative;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 1rem 1.25rem;
  font-family: "SF Mono", SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.85rem;
  color: #334155;
  overflow-x: auto;
  line-height: 1.7;
  margin: 0.75rem 0;
}

.code-block code {
  font-family: inherit;
  font-size: inherit;
}

.code-block .prompt {
  color: #00b894;
  user-select: none;
}

.code-block .comment {
  color: #94a3b8;
}

/* ---------- Blurred (pre-launch) ---------- */
.blurred-wrapper {
  position: relative;
  display: inline-block;
  width: 100%;
}

.blurred-wrapper .code-block {
  filter: blur(5px);
  user-select: none;
  pointer-events: none;
}

.blurred-wrapper .coming-soon-badge {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: #1e293b;
  color: #fff;
  padding: 0.5rem 1.5rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  white-space: nowrap;
  z-index: 2;
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
}

/* ---------- Coming Soon Details ---------- */
.coming-soon-details {
  max-width: 36rem;
  margin: 2rem auto;
  text-align: left;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 2rem 2.5rem;
}

.coming-soon-details h3 {
  font-size: 1.15rem;
  margin-bottom: 1rem;
  color: #1e293b;
}

.expect-list {
  list-style: none;
  padding: 0;
}

.expect-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.6rem;
  color: #475569;
  font-size: 0.95rem;
}

.expect-list li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  color: #00b894;
  font-weight: 700;
}

/* ---------- Try Page — Setup Steps ---------- */
.setup-steps {
  max-width: 48rem;
  margin: 0 auto;
}

.setup-step {
  position: relative;
  padding-left: 4rem;
  padding-bottom: 3.5rem;
}

.setup-step:last-child {
  padding-bottom: 0;
}

/* Vertical connector */
.setup-step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 1.375rem;
  top: 2.75rem;
  bottom: 0;
  width: 1px;
  background: rgba(0, 184, 148, 0.2);
}

.setup-step-number {
  position: absolute;
  left: 0;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: rgba(0, 184, 148, 0.08);
  color: #00b894;
  font-size: 1.125rem;
  font-weight: 700;
  border: 1px solid rgba(0, 184, 148, 0.2);
}

.setup-step h3 {
  margin-bottom: 0.75rem;
  padding-top: 0.35rem;
}

.setup-step p {
  color: #64748b;
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 0.75rem;
}

.setup-step ul {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0;
}

.setup-step ul li {
  color: #64748b;
  font-size: 0.9rem;
  padding: 0.25rem 0;
  padding-left: 1.25rem;
  position: relative;
}

.setup-step ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #00b894;
}

/* Demo API list */
.demo-list {
  margin-top: 1rem;
}

.demo-item {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.4rem 0;
}

.demo-item .demo-port {
  flex-shrink: 0;
  font-family: "SF Mono", SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.8rem;
  color: #94a3b8;
  min-width: 4rem;
}

.demo-item .demo-cmd {
  font-family: "SF Mono", SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.85rem;
  color: #334155;
}

/* Inline note */
.note {
  display: inline-block;
  padding: 0.75rem 1.25rem;
  background: rgba(0, 184, 148, 0.05);
  border-left: 3px solid #00b894;
  border-radius: 0 8px 8px 0;
  color: #64748b;
  font-size: 0.9rem;
  margin: 1.5rem 0;
}

/* Links row */
.links-row {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

/* ---------- Terms Page ---------- */
.terms-page {
  padding-top: 7rem;
  padding-bottom: 4rem;
}

.terms-content {
  max-width: 48rem;
  margin: 0 auto;
}

.terms-content h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.terms-meta {
  color: #94a3b8;
  font-size: 0.9rem;
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid #e2e8f0;
}

.terms-content h2 {
  font-size: 1.35rem;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  color: #1e293b;
}

.terms-content p {
  color: #475569;
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 1rem;
  max-width: none;
}

.terms-content ul {
  margin: 0.75rem 0 1rem 1.25rem;
  color: #475569;
  font-size: 0.95rem;
  line-height: 1.75;
}

.terms-content ul li {
  margin-bottom: 0.35rem;
}

/* ---------- Footer ---------- */
.footer {
  background: #f1f5f9;
  border-top: 1px solid #e2e8f0;
  padding: 2.5rem 0;
}

.footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.footer-links a {
  color: #64748b;
  font-size: 0.85rem;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: #1e293b;
}

.footer-copy {
  color: #94a3b8;
  font-size: 0.8rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .step:not(:last-child)::after {
    display: none;
  }
}

@media (max-width: 768px) {
  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.75rem; }

  section {
    padding: 4rem 0;
  }

  .hero {
    padding: 8rem 0 4rem;
  }

  .hero .subheadline {
    font-size: 1.1rem;
  }

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

  .steps {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .step:not(:last-child)::after {
    display: none;
  }

  .pricing-box {
    padding: 2rem 1.5rem;
  }

  /* Nav mobile */
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 3.75rem;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1rem;
    border-bottom: 1px solid #e2e8f0;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s, opacity 0.3s;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .footer .container {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

/* ---------- Waitlist ---------- */
.waitlist-box {
  max-width: 32rem;
  margin: 2.5rem auto 0;
}

.waitlist-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: #1e293b;
  margin-bottom: 0.75rem;
  text-align: center;
}

.waitlist-form {
  display: flex;
  gap: 0.5rem;
  max-width: 28rem;
  margin: 0 auto;
}

.waitlist-form input[type="email"] {
  flex: 1;
  padding: 0.875rem 1rem;
  font-size: 1rem;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  background: #ffffff;
  color: #1e293b;
  outline: none;
  transition: border-color 0.2s;
}

.waitlist-form input[type="email"]:focus {
  border-color: #00b894;
  box-shadow: 0 0 0 3px rgba(0, 184, 148, 0.1);
}

.waitlist-form input[type="email"]::placeholder {
  color: #94a3b8;
}

.waitlist-msg {
  text-align: center;
  font-size: 0.9rem;
  margin-top: 0.75rem;
  padding: 0.5rem;
  border-radius: 6px;
}

.waitlist-msg.success {
  color: #059669;
  background: rgba(5, 150, 105, 0.06);
}

.waitlist-msg.error {
  color: #dc2626;
  background: rgba(220, 38, 38, 0.06);
}

.waitlist-msg.hidden {
  display: none;
}

.waitlist-note {
  text-align: center;
  font-size: 0.75rem;
  color: #94a3b8;
  margin-top: 0.75rem;
}

@media (max-width: 480px) {
  h1 { font-size: 1.85rem; }

  .container {
    padding: 0 1rem;
  }

  .btn {
    padding: 0.75rem 1.75rem;
    font-size: 0.9rem;
  }

  .setup-step {
    padding-left: 3.25rem;
  }

  .links-row {
    flex-direction: column;
    gap: 0.75rem;
  }

  .waitlist-form {
    flex-direction: column;
  }

  .waitlist-form .btn {
    width: 100%;
  }
}