/* OptivAI shared base styles for secondary pages (utility pages). Extracted from index.html inline styles at db8c675; tokens, nav, buttons, sections, footer. Keep in step with index.html when those rules change. */
:root {
  /* Brand Colors */
  --navy:        #0A0F1E;
  --navy-mid:    #111827;
  --navy-light:  #1E2A3A;
  --cyan:        #00D4FF;
  --cyan-dim:    #00A8CC;
  --cyan-glow:   rgba(0, 212, 255, 0.12);
  --cyan-glow-lg: rgba(0, 212, 255, 0.06);
  --white:       #FFFFFF;
  --off-white:   #F0F4FF;
  --slate:       #8892A4;
  --slate-light: #B8C2D4;
  --green:       #10B981;
  --green-dim:   #0D9668;
  --border:      #1E2A3A;
  --border-light: rgba(255,255,255,0.08);

  /* Type Scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-hero: clamp(2.75rem,  1rem    + 6vw,    6rem);

  /* Spacing */
  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem;
  --space-4: 1rem;    --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem;    --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem;   --space-20: 5rem;   --space-24: 6rem;
  --space-32: 8rem;

  /* Layout */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;

  /* Radii */
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --transition: 200ms var(--ease);

  /* Fonts */
  --font-display: 'Work Sans', 'Helvetica Neue', sans-serif;
  --font-body:    'Inter', 'Helvetica Neue', sans-serif;

  /* Shadows */
  --shadow-cyan: 0 0 40px rgba(0, 212, 255, 0.15);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}
body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--off-white);
  background: var(--navy);
  line-height: 1.6;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
ul { list-style: none; }
a { color: inherit; text-decoration: none; }
h1,h2,h3,h4,h5,h6 { font-family: var(--font-display); line-height: 1.15; text-wrap: balance; }
p, li { text-wrap: pretty; }
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-6), 5vw, var(--space-16));
}
.container--narrow { max-width: var(--content-narrow); }
.container--default { max-width: var(--content-default); }
.section-label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cyan);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--cyan);
  flex-shrink: 0;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: all var(--transition);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}
.btn--primary {
  background: var(--cyan);
  color: var(--navy);
  box-shadow: 0 0 24px rgba(0, 212, 255, 0.35);
}
.btn--primary:hover {
  background: #33DDFF;
  box-shadow: 0 0 40px rgba(0, 212, 255, 0.55);
  transform: translateY(-1px);
}
.btn--outline {
  background: transparent;
  color: var(--off-white);
  border: 1.5px solid var(--border-light);
}
.btn--outline:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-1px);
}
.btn--lg {
  padding: var(--space-5) var(--space-10);
  font-size: var(--text-base);
}
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding-block: var(--space-4);
  transition: background var(--transition), box-shadow var(--transition);
}
.nav.scrolled {
  background: rgba(10, 15, 30, 0.95);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border-light);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  letter-spacing: -0.02em;
}
.nav__logo .ai { color: var(--cyan); }
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.nav__links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--slate-light);
  transition: color var(--transition);
}
.nav__links a:hover { color: var(--white); }
.nav__cta { margin-left: auto; }
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
}
.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--off-white);
  border-radius: 2px;
  transition: all var(--transition);
}
@media (max-width: 768px) {
  .nav__links, .nav__cta { display: none; }
  .nav__hamburger { display: flex; }
  .nav.mobile-open .nav__links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: rgba(10, 15, 30, 0.98);
    backdrop-filter: blur(16px);
    padding: var(--space-6) var(--space-6) var(--space-8);
    border-bottom: 1px solid var(--border-light);
    gap: var(--space-6);
    align-items: flex-start;
  }
  .nav.mobile-open .nav__cta {
    display: block;
    padding: 0 var(--space-6) var(--space-6);
    background: rgba(10, 15, 30, 0.98);
    backdrop-filter: blur(16px);
  }
}
.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}
.section--alt { background: var(--navy-mid); }
.section--dark { background: var(--navy); }
.section__header {
  text-align: center;
  margin-bottom: clamp(var(--space-12), 5vw, var(--space-20));
}
.section__header .section-label { justify-content: center; margin-bottom: var(--space-4); }
.section__title {
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--white);
  margin-bottom: var(--space-4);
}
.section__subtitle {
  font-size: var(--text-base);
  color: var(--slate-light);
  max-width: 54ch;
  margin-inline: auto;
  line-height: 1.7;
}
.footer {
  background: var(--navy);
  border-top: 1px solid var(--border-light);
  padding-block: var(--space-12) var(--space-8);
}
.footer__top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-10);
  padding-bottom: var(--space-10);
  border-bottom: 1px solid var(--border-light);
}
.footer__brand {}
.footer__brand-logo {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: var(--space-3);
}
.footer__brand-logo .ai { color: var(--cyan); }
.footer__brand-tagline {
  font-size: var(--text-sm);
  color: var(--slate);
  margin-bottom: var(--space-5);
}
.footer__col-title {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--off-white);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-5);
}
.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer__links a {
  font-size: var(--text-sm);
  color: var(--slate);
  transition: color var(--transition);
}
.footer__links a:hover { color: var(--off-white); }
.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.footer__copyright {
  font-size: var(--text-xs);
  color: var(--slate);
}
.footer__legal {
  display: flex;
  gap: var(--space-6);
}
.footer__legal a {
  font-size: var(--text-xs);
  color: var(--slate);
  transition: color var(--transition);
}
.footer__legal a:hover { color: var(--off-white); }
@media (max-width: 768px) {
  .footer__top { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
  .footer__bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
  .footer__top { grid-template-columns: 1fr; }
}
.section-cta-nudge { display: flex; justify-content: center; margin-top: var(--space-10); }
.btn--sm { padding: var(--space-2) var(--space-4); font-size: var(--text-xs); gap: var(--space-2); }
.btn--ghost { background: transparent; border: 1px solid var(--border-light); color: var(--slate-light); }
.btn--ghost:hover { border-color: var(--cyan); color: var(--white); }
.section--plans {
  background: var(--navy);
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}
.btn--full { width: 100%; justify-content: center; }
.btn--cyan {
  background: var(--cyan);
  color: var(--navy);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
}
.btn--cyan:hover {
  background: #00bce6;
  box-shadow: 0 0 24px rgba(0,212,255,0.35);
  transform: translateY(-1px);
}
.btn--green {
  background: var(--green);
  color: #fff;
  border: none;
  box-shadow: 0 0 20px rgba(16,185,129,0.25);
}
.btn--green:hover {
  background: #0da271;
  box-shadow: 0 0 24px rgba(16,185,129,0.35);
  transform: translateY(-1px);
}
.ai-chat-modal {
  position: fixed;
  inset: 0;
  z-index: 1100;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  padding: var(--space-6);
  pointer-events: none;
}
.ai-chat-modal[hidden] { display: none; }
.ai-chat-modal__backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(4px);
  pointer-events: all;
  cursor: pointer;
}
.ai-chat-modal__dialog {
  position: relative;
  background: var(--navy-light);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 420px;
  max-height: 600px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 32px 80px rgba(0,0,0,0.6);
  pointer-events: all;
  animation: slideUpChat 0.22s ease;
}
.ai-chat-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border-light);
}
.ai-chat-modal__title-block {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.ai-chat-modal__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px rgba(16,185,129,0.7);
  animation: pulse 2s infinite;
}
.ai-chat-modal__title-block h2 {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--white);
  margin: 0;
}
.ai-chat-modal__close {
  background: none;
  border: none;
  color: var(--slate);
  cursor: pointer;
  padding: var(--space-1);
  border-radius: var(--radius-md);
  transition: color var(--transition), background var(--transition);
  display: flex;
}
.ai-chat-modal__close:hover { color: var(--white); background: rgba(255,255,255,0.07); }
.ai-chat-modal__messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  scroll-behavior: smooth;
}
.ai-chat-msg {
  max-width: 85%;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  line-height: 1.6;
}
.ai-chat-msg--agent {
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.15);
  color: var(--slate-light);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}
.ai-chat-msg--user {
  background: rgba(255,255,255,0.07);
  border: 1px solid var(--border-light);
  color: var(--white);
  align-self: flex-end;
  text-align: right;
  border-bottom-right-radius: 4px;
}
.ai-chat-msg--typing {
  background: rgba(0,212,255,0.05);
  border: 1px solid rgba(0,212,255,0.1);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
  color: var(--slate);
  font-style: italic;
}
.ai-chat-modal__input-row {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--border-light);
}
.ai-chat-modal__input-row input {
  flex: 1;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-2) var(--space-3);
  color: var(--white);
  font-size: var(--text-sm);
  outline: none;
  transition: border-color var(--transition);
}
.ai-chat-modal__input-row input:focus { border-color: var(--cyan); }
.ai-chat-modal__input-row input::placeholder { color: var(--slate); }
.ai-chat-modal__send {
  background: var(--cyan);
  border: none;
  border-radius: var(--radius-lg);
  color: var(--navy);
  cursor: pointer;
  padding: var(--space-2) var(--space-3);
  display: flex;
  align-items: center;
  transition: opacity var(--transition);
}
.ai-chat-modal__send:hover { opacity: 0.85; }
.ai-chat-modal__send:disabled { opacity: 0.4; cursor: not-allowed; }
.ai-chat-modal__footer {
  font-size: var(--text-xs);
  color: var(--slate);
  text-align: center;
  padding: var(--space-2) var(--space-4) var(--space-3);
}
.ai-chat-modal__footer a { color: var(--cyan); text-decoration: none; }
.ai-chat-modal__footer a:hover { text-decoration: underline; }
@media (max-width: 480px) {
  .ai-chat-modal { padding: 0; align-items: flex-end; }
  .ai-chat-modal__dialog { max-width: 100%; border-radius: var(--radius-xl) var(--radius-xl) 0 0; max-height: 85vh; }
}
.nav__links { gap: clamp(var(--space-4), 2vw, var(--space-8)); }
.nav__links a { white-space: nowrap; }
.nav {
  background: rgba(10, 15, 30, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  overflow: hidden;
}
.nav.scrolled {
  background: rgba(10, 15, 30, 0.97);
  box-shadow: 0 1px 0 var(--border-light), 0 8px 30px rgba(0,0,0,0.45);
}
.nav__logo-text {
  display: inline-block;
  white-space: nowrap;
}