/* ============================================
   TOKENS
   ============================================ */
:root {
  --bg: #F4F5F1;
  --surface: #FFFFFF;
  --ink: #14181B;
  --ink-soft: #4B5359;
  --line: #DEDDD4;
  --teal: #1F6F64;
  --teal-soft: #E4EFEC;
  --amber: #D98C2B;
  --amber-soft: #FBEDD9;
  --red: #B4432E;

  --font-display: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  --radius: 10px;
  --max-w: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
  opacity: 0.035;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

/* ============================================
   NAV
   ============================================ */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 28px 24px 0;
}

.nav__brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  text-decoration: none;
}
.nav__brand-dot { color: var(--teal); }

.nav__links {
  display: flex;
  gap: 28px;
  font-size: 0.9rem;
}
.nav__links a {
  text-decoration: none;
  color: var(--ink-soft);
  transition: color 0.15s ease;
}
.nav__links a:hover { color: var(--ink); }

.nav__cta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-decoration: none;
  border: 1px solid var(--ink);
  padding: 8px 14px;
  border-radius: 999px;
  transition: background 0.15s ease, color 0.15s ease;
}
.nav__cta:hover { background: var(--ink); color: var(--bg); }

@media (max-width: 780px) {
  .nav__links { display: none; }
}

/* ============================================
   SHARED SECTION LAYOUT
   ============================================ */
.section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 110px 24px;
}

.section__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--teal);
  margin: 0 0 14px;
}

.section__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.7rem, 3.2vw, 2.4rem);
  line-height: 1.2;
  margin: 0 0 40px;
  max-width: 720px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-soft);
  margin: 0 0 20px;
}
.eyebrow__value { color: var(--teal); }

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 13px 22px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }

.btn--primary {
  background: var(--ink);
  color: var(--bg);
}
.btn--primary:hover { background: var(--teal); }

.btn--ghost {
  background: transparent;
  border-color: var(--ink);
  color: var(--ink);
}
.btn--ghost:hover { border-color: var(--teal); color: var(--teal); }

.btn--wide { width: 100%; }

/* ============================================
   PILLS / CHIPS
   ============================================ */
.pill {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 5px 11px;
  border-radius: 999px;
  display: inline-block;
}
.pill--resolved { background: var(--teal-soft); color: var(--teal); }
.pill--progress { background: var(--amber-soft); color: var(--amber); }
.pill--csat { background: var(--surface); color: var(--ink-soft); border: 1px solid var(--line); }

/* ============================================
   HERO
   ============================================ */
.hero {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 60px 24px 100px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.1rem, 4.4vw, 3.4rem);
  line-height: 1.12;
  margin: 0 0 22px;
  letter-spacing: -0.01em;
}
.hero__title-accent { color: var(--teal); }

.hero__sub {
  color: var(--ink-soft);
  font-size: 1.05rem;
  max-width: 480px;
  margin: 0 0 34px;
}

.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---- ticket / chat demo ---- */
.ticket {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 20px 50px -25px rgba(20, 24, 27, 0.25);
}

.ticket__bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
}
.ticket__id { font-size: 0.75rem; color: var(--ink-soft); }
.ticket__badge {
  font-size: 0.7rem;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--amber-soft);
  color: var(--amber);
  transition: background 0.3s ease, color 0.3s ease;
}
.ticket__badge.is-resolved {
  background: var(--teal-soft);
  color: var(--teal);
}

.ticket__thread {
  padding: 20px 18px;
  min-height: 260px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.msg {
  max-width: 82%;
  padding: 11px 14px;
  border-radius: 12px;
  font-size: 0.9rem;
  opacity: 0;
  transform: translateY(6px);
  animation: msgIn 0.35s ease forwards;
}
@keyframes msgIn {
  to { opacity: 1; transform: translateY(0); }
}

.msg--user {
  align-self: flex-end;
  background: var(--bg);
  border: 1px solid var(--line);
  border-bottom-right-radius: 3px;
}
.msg--agent {
  align-self: flex-start;
  background: var(--teal-soft);
  color: #123f39;
  border-bottom-left-radius: 3px;
}
.msg__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.6;
  margin-bottom: 4px;
}

.msg--typing {
  display: inline-flex;
  gap: 4px;
  padding: 13px 16px;
}
.msg--typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
  opacity: 0.5;
  animation: bounce 1s infinite ease-in-out;
}
.msg--typing span:nth-child(2) { animation-delay: 0.15s; }
.msg--typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes bounce {
  0%, 80%, 100% { transform: translateY(0); opacity: 0.5; }
  40% { transform: translateY(-4px); opacity: 1; }
}

.ticket__footer {
  display: flex;
  gap: 10px;
  padding: 14px 18px;
  border-top: 1px solid var(--line);
  min-height: 46px;
  align-items: center;
}

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 40px; }
}

/* ============================================
   ABOUT
   ============================================ */
.about__grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 50px;
}
.about__body p {
  color: var(--ink-soft);
  margin: 0 0 18px;
  font-size: 1.02rem;
}
@media (max-width: 780px) {
  .about__grid { grid-template-columns: 1fr; }
}

/* ============================================
   CAPABILITIES
   ============================================ */
.chip-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.chip {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.chip:hover {
  border-color: var(--teal);
  transform: translateY(-2px);
}
.chip__label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
}
.chip__meta {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-soft);
}
@media (max-width: 980px) {
  .chip-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .chip-grid { grid-template-columns: 1fr; }
}

/* ============================================
   CASE FILES
   ============================================ */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.case {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px;
  display: flex;
  flex-direction: column;
}
.case__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.case__id {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-soft);
}
.case__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin: 0 0 10px;
  line-height: 1.3;
}
.case__desc {
  color: var(--ink-soft);
  font-size: 0.92rem;
  margin: 0 0 20px;
  flex-grow: 1;
}
.case__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.case__stats dt {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 4px;
}
.case__stats dd {
  margin: 0;
  font-weight: 600;
  font-size: 0.95rem;
}
@media (max-width: 980px) {
  .case-grid { grid-template-columns: 1fr; }
}

/* ============================================
   TIMELINE
   ============================================ */
.timeline__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 2px solid var(--line);
}
.timeline__item {
  position: relative;
  padding: 0 0 40px 30px;
}
.timeline__item::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--teal);
}
.timeline__date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--teal);
}
.timeline__role {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin: 6px 0 8px;
}
.timeline__desc {
  color: var(--ink-soft);
  margin: 0;
  max-width: 560px;
}

/* ============================================
   CONTACT
   ============================================ */
.contact__sub {
  color: var(--ink-soft);
  margin: -24px 0 36px;
}
.contact__form {
  max-width: 560px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.field label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-soft);
}
.field input,
.field textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  resize: vertical;
}
.field input:focus,
.field textarea:focus {
  border-color: var(--teal);
}
.field__note {
  font-size: 0.88rem;
  color: var(--teal);
  background: var(--teal-soft);
  padding: 12px 14px;
  border-radius: 8px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 30px 24px 60px;
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-soft);
}
.footer__status { display: inline-flex; align-items: center; gap: 6px; }
.footer__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
  display: inline-block;
}