/* =========================================================================
   Traves AI — landing
   Design tokens first, then layout primitives, then sections (top to bottom).
   ========================================================================= */

:root {
  /* Surfaces */
  --bg:            #F4F5F2;
  --surface:       #FFFFFF;
  --surface-mut:   #F8F9F6;
  --surface-sunk:  #EBEDE8;
  --track:         #F0F1EE;
  --track-alt:     #EDEFEA;

  /* Ink */
  --ink:           #3B4951;
  --ink-2:         #5D6C76;
  --ink-3:         #8B979F;

  /* Lines */
  --line:          #E1E4DF;
  --line-strong:   #CFD4CE;

  /* Accent */
  --accent:        #AE7262;
  --accent-deep:   #96604F;
  --accent-soft:   #F3E6E0;
  --accent-light:  #D9A891;

  /* On dark */
  --dark:          #3B4951;
  --dark-2:        #2C383F;
  --on-dark:       #E8ECEE;
  --on-dark-2:     #AFBCC4;
  --on-dark-3:     #7C8B95;
  --on-dark-4:     #93A3AD;

  /* Signal */
  --pos:           #3F7D5C;
  --neg:           #C1553F;
  --dot-green:     #3F9D57;
  --dot-amber:     #D9A227;

  /* Type */
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-sans:    'IBM Plex Sans', system-ui, sans-serif;
  --font-mono:    'IBM Plex Mono', ui-monospace, monospace;

  /* Rhythm */
  --gutter:        40px;
  --max:           1160px;
  --section-gap:   96px;

  /* Elevation */
  --shadow-sm:     0 1px 2px rgba(59, 73, 81, .05);
  --shadow-lg:     0 1px 2px rgba(59, 73, 81, .05), 0 12px 36px -14px rgba(59, 73, 81, .16);
  --shadow-md:     0 1px 2px rgba(59, 73, 81, .05), 0 8px 28px -12px rgba(59, 73, 81, .14);
}

/* ---------------------------------------------------------------- base --- */

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  /* keep anchored sections clear of the sticky bar */
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16.5px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--ink); }
a:hover { color: var(--accent); }

img, svg { display: block; }

table { border-collapse: collapse; width: 100%; }

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.accent { color: var(--accent); }

/* visually hidden, still read by assistive tech */
.vh {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 0 0 8px 0;
  padding: 10px 18px;
  font-size: 14px;
  text-decoration: none;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------------------------------------------------------- primitives --- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 15.5px;
  padding: 14px 28px;
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  transition: background .18s, border-color .18s, transform .18s, color .18s;
}
.btn--sm { font-size: 14.5px; padding: 10px 20px; }

.btn--dark { background: var(--dark); color: #fff; }
.btn--dark:hover { background: var(--dark-2); color: #fff; }

.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn--ghost:hover { background: var(--surface); border-color: var(--ink-3); color: var(--ink); }

.btn--accent { background: var(--accent); color: #fff; }
.btn--accent:hover { background: var(--accent-deep); color: #fff; }

.eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
}
.eyebrow--light { color: var(--accent-light); }

.h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(28px, 3.5vw, 42px);
  line-height: 1.12;
  letter-spacing: -.028em;
  margin: 14px 0 0;
}
.h2--sm { font-size: clamp(26px, 3vw, 36px); line-height: 1.14; }

.section { padding-top: var(--section-gap); }

.section__head { max-width: 62ch; }
.section__head--center { margin: 0 auto; text-align: center; }
.section__head--center .section__lede { margin-left: auto; margin-right: auto; max-width: 56ch; }

.section__lede {
  margin: 16px 0 0;
  color: var(--ink-2);
  max-width: 58ch;
  text-wrap: pretty;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 16px 6px 8px;
  font-size: 13.5px;
  color: var(--ink-2);
  box-shadow: 0 1px 2px rgba(59, 73, 81, .04);
}
.pill__tag {
  background: var(--accent-soft);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  font-weight: 500;
  padding: 3px 9px;
  border-radius: 999px;
}

/* Shared card used across the dashboard mock and the module panels */
.panel {
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 16px 18px;
  background: var(--surface);
}
.panel__title { margin: 0; font-size: 13px; font-weight: 600; }
.panel__sub {
  margin: 3px 0 0;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .06em;
  color: var(--ink-3);
}

.dtable { margin-top: 12px; font-size: 12.5px; }
.dtable th {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 500;
  text-align: left;
  padding: 0 0 8px;
}
.dtable td { padding: 9px 0; border-top: 1px solid var(--line); }
.dtable .num { text-align: right; }
.dtable td.num { font-family: var(--font-mono); font-size: 11.5px; }
.dtable td.neg { color: var(--neg); }

.dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 7px;
  vertical-align: 1px;
}
.dot--green { background: var(--dot-green); }
.dot--amber { background: var(--dot-amber); }
.dot--red   { background: var(--neg); }

.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 999px;
  margin-left: 6px;
  vertical-align: 1px;
}
.tag--serv { background: #EDEFFB; color: #3F4694; }
.tag--prod { background: #E4F2EC; color: #22624F; }

.chips { display: flex; flex-direction: column; gap: 7px; margin-top: 12px; }
.chip {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--ink-2);
  background: var(--surface-mut);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 7px 10px;
}
.chip b {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent);
  letter-spacing: .05em;
  flex: none;
}
.chip--light { background: var(--surface); font-size: 11.5px; padding: 7px 9px; }

/* -------------------------------------------------------------- topbar --- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(244, 245, 242, .88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 68px;
}

/* Mark and wordmark are separate files so the wordmark can be the uppercase
   "Traves AI" one; the supplied horizontal lockup sets it lowercase. Sized by
   height, and the wordmark is cap-height only, so it needs a smaller value
   than the mark to sit level with it. */
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand__mark { height: 26px; width: auto; }
.brand__word { height: 15px; width: auto; }

.topnav { display: flex; align-items: center; gap: 30px; }
.topnav a {
  font-size: 14.5px;
  text-decoration: none;
  color: var(--ink-2);
  transition: color .18s;
}
.topnav a:hover { color: var(--ink); }

/* ---------------------------------------------------------------- hero --- */

.hero {
  position: relative;
  overflow: hidden;
  text-align: center;
  padding-top: 84px;
}
.hero__topo {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1500px;
  max-width: none;
  opacity: .5;
  pointer-events: none;
}
.hero__inner { position: relative; z-index: 2; }

.hero__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(38px, 5.4vw, 64px);
  line-height: 1.04;
  letter-spacing: -.034em;
  margin: 26px auto 0;
  max-width: 15ch;
}
.hero__lede {
  margin: 22px auto 0;
  max-width: 58ch;
  font-size: clamp(16.5px, 1.5vw, 19px);
  color: var(--ink-2);
  text-wrap: pretty;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 34px;
}
.hero__actions .btn--dark:hover { transform: translateY(-1px); }
.hero__note {
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .05em;
  color: var(--ink-3);
}

/* ---------------------------------------------------- dashboard mockup --- */

.app {
  margin: 56px 0 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  text-align: left;
}

.app__bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-mut);
}
.app__dots { display: flex; gap: 6px; }
.app__dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--line-strong); display: block; }
.app__path {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--ink-3);
}

.app__body { display: grid; grid-template-columns: 176px 1fr; }

.app__side {
  border-right: 1px solid var(--line);
  background: var(--surface-mut);
  padding: 18px 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.app__group {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-3);
  padding: 0 18px 10px;
}
.app__group--spaced { padding-top: 16px; }
.app__item { font-size: 13px; padding: 8px 18px; color: var(--ink-2); }
.app__item.is-active {
  font-weight: 500;
  background: var(--surface);
  border-right: 2px solid var(--accent);
  color: var(--ink);
}

.app__main { padding: 22px; min-width: 0; }

.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.kpi {
  background: var(--surface-mut);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 14px 16px;
}
.kpi__label { margin: 0; font-size: 12.5px; color: var(--ink-2); line-height: 1.35; }
.kpi__value {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 27px;
  letter-spacing: -.02em;
  margin-top: 6px;
}
.kpi__delta {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-3);
  margin-top: 2px;
}
.kpi__delta--up { color: var(--pos); }

.app__row { display: grid; gap: 16px; margin-top: 16px; }
.app__row--wide-first { grid-template-columns: 1.25fr 1fr; }
.app__row--wide-last  { grid-template-columns: 1fr 1.25fr; }

.bars { margin-top: 14px; display: flex; flex-direction: column; gap: 11px; }
.bar {
  display: grid;
  grid-template-columns: 112px 1fr 40px;
  align-items: center;
  gap: 12px;
  font-size: 12.5px;
}
.bar__track {
  height: 8px;
  background: var(--track);
  border-radius: 99px;
  overflow: hidden;
  display: block;
}
.bar__fill {
  height: 8px;
  border-radius: 99px;
  background: var(--ink-3);
  opacity: .5;
  display: block;
}
.bar__val {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-2);
  text-align: right;
}
.bar--you .bar__name { font-weight: 600; }
.bar--you .bar__fill { background: var(--accent); opacity: 1; }
.bar--you .bar__val { color: var(--ink); font-weight: 500; }

/* ----------------------------------------------------------- band ------- */

.band {
  margin-top: 64px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface-mut);
}
.band__inner {
  padding-top: 26px;
  padding-bottom: 26px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.band__item b {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 24px;
  letter-spacing: -.02em;
}
.band__item p { margin: 3px 0 0; font-size: 13px; color: var(--ink-2); }

/* -------------------------------------------------- 01 · bottlenecks ---- */

.necks { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 40px; }

.neck {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 30px;
}
.neck--dark { background: var(--dark); border-color: var(--dark); color: var(--on-dark); }

.neck__top { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.neck__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 500;
}
.neck--dark .neck__kicker { color: var(--on-dark-4); }

.neck__num { font-family: var(--font-display); font-weight: 600; font-size: 22px; color: var(--line); }
.neck--dark .neck__num { color: var(--ink-2); }

.neck__body { margin: 16px 0 0; font-size: 18px; line-height: 1.5; text-wrap: pretty; }
.neck__body--display {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -.012em;
}

.neck__list {
  margin-top: 22px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.neck--dark .neck__list { border-top-color: rgba(255, 255, 255, .14); }

.neck__line { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--ink-2); }
.neck__line b { font-family: var(--font-mono); font-size: 10px; color: var(--accent); flex: none; }

.neck__row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 12px;
  color: var(--on-dark-2);
}
.neck__row b { font-family: var(--font-mono); font-size: 11px; color: var(--accent-light); }

.neck__foot {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-3);
  margin-top: 4px;
}
.neck--dark .neck__foot { color: var(--on-dark-3); }

/* --------------------------------------------------- 02 · feature grid -- */

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 44px; }

.feature {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
  display: flex;
  flex-direction: column;
}
.feature__art {
  background: var(--surface-mut);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 14px;
  margin-bottom: 18px;
  min-height: 112px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
}
.feature__art--stack { gap: 7px; }
.feature__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17.5px;
  letter-spacing: -.015em;
}
.feature__text { margin: 8px 0 0; font-size: 14.5px; color: var(--ink-2); line-height: 1.55; }

.minibar { display: grid; grid-template-columns: 1fr 34px; align-items: center; gap: 10px; }
.minibar__track { height: 6px; background: var(--track-alt); border-radius: 99px; overflow: hidden; display: block; }
.minibar__fill { height: 6px; border-radius: 99px; background: var(--ink-3); opacity: .45; display: block; }
.minibar__fill--you { background: var(--accent); opacity: 1; }
.minibar__val { font-family: var(--font-mono); font-size: 10.5px; color: var(--ink-2); text-align: right; }

.spark { width: 100%; height: auto; }

/* -------------------------------------------------------- 03 · modules -- */

.tabs { margin-top: 38px; }

.tabs__list {
  display: inline-flex;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px;
  gap: 4px;
}
.tabs__btn {
  font-family: var(--font-sans);
  font-size: 14.5px;
  font-weight: 500;
  border: 0;
  padding: 9px 22px;
  border-radius: 999px;
  cursor: pointer;
  background: transparent;
  color: var(--ink-2);
  transition: background .18s, color .18s;
}
.tabs__btn:hover { color: var(--ink); }
.tabs__btn.is-on { background: var(--dark); color: #fff; }

.module {
  margin-top: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.module[hidden] { display: none; }
.module:focus { outline: none; }

.module__grid { display: grid; grid-template-columns: .9fr 1.1fr; }
.module__left { padding: 38px; border-right: 1px solid var(--line); }
.module__right {
  padding: 30px;
  background: var(--surface-mut);
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.module__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 32px;
  letter-spacing: -.03em;
  line-height: 1;
}
.module__kicker {
  margin: 11px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--accent);
}
.module__text { margin: 16px 0 0; color: var(--ink-2); font-size: 15.5px; text-wrap: pretty; }

.ticks { list-style: none; margin: 18px 0 0; padding: 0; border-top: 1px solid var(--line); }
.ticks li {
  font-size: 14.5px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 10px;
}
.ticks li:last-child { border-bottom: 0; }
.ticks li::before {
  content: "";
  width: 5px;
  height: 5px;
  margin-top: 8px;
  background: var(--accent);
  flex: none;
  transform: rotate(45deg);
}

/* -------------------------------------------------- 04 · journey steps -- */

.route { width: 100%; height: auto; margin-top: 36px; }

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 34px;
  border-top: 1px solid var(--line-strong);
  padding-top: 24px;
}
.step__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 8px;
}
.step__dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); flex: none; }
.step__title {
  margin: 11px 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 19px;
  letter-spacing: -.015em;
}
.step__text { margin: 8px 0 0; color: var(--ink-2); font-size: 15px; text-wrap: pretty; }

/* -------------------------------------------------------- 05 · horizon -- */

.horizon {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
}
.horizon__main { padding: 48px; }
.horizon__main .section__lede { max-width: none; }
.horizon__side {
  background: var(--surface-mut);
  border-left: 1px solid var(--line);
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
}
.cyc { display: flex; align-items: flex-start; gap: 14px; }
.cyc b {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .08em;
  color: var(--accent);
  flex: none;
  background: var(--accent-soft);
  border-radius: 99px;
  padding: 3px 9px;
  margin-top: 2px;
}
.cyc p { margin: 0; font-size: 14px; color: var(--ink-2); }
.horizon__foot {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .06em;
  color: var(--ink-3);
}

/* ------------------------------------------------------------ 06 · faq -- */

/* Spans the container like every other section, so both edges line up with
   the rest of the page. Answer text keeps its own max-width for line length. */
.faq { margin-top: 34px; }

.qa {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 9px;
  margin-bottom: 10px;
  overflow: hidden;
}
.qa summary {
  cursor: pointer;
  padding: 17px 20px;
  font-weight: 500;
  font-size: 16px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  list-style: none;
}
.qa summary::-webkit-details-marker { display: none; }
.qa__sign {
  font-family: var(--font-mono);
  color: var(--ink-3);
  font-size: 18px;
  flex: none;
  transition: transform .18s;
}
.qa[open] .qa__sign { transform: rotate(45deg); }
.qa p {
  margin: 0;
  padding: 0 20px 19px;
  color: var(--ink-2);
  font-size: 15px;
  max-width: 70ch;
}

/* ------------------------------------------------------------- cta ------ */

.cta {
  margin-top: 100px;
  background: var(--dark);
  color: var(--on-dark);
  border-radius: 14px;
  padding: 64px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta__topo {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  opacity: .24;
  pointer-events: none;
}
.cta__inner { position: relative; z-index: 2; }
.cta__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(28px, 3.6vw, 44px);
  line-height: 1.08;
  letter-spacing: -.028em;
  margin: 14px auto 0;
  max-width: 18ch;
}
.cta__text { margin: 18px auto 0; color: var(--on-dark-2); max-width: 54ch; text-wrap: pretty; }
.cta .btn { margin-top: 30px; }

/* ------------------------------------------------------------ footer ---- */

.foot {
  padding-top: 36px;
  padding-bottom: 46px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  justify-content: space-between;
  align-items: center;
  margin-top: 36px;
  border-top: 1px solid var(--line);
}
.foot__brand { display: flex; align-items: center; gap: 9px; opacity: .7; }
.foot__mark { height: 24px; width: auto; }
.foot__word { height: 14px; width: auto; }
.foot p {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--ink-3);
}

/* =========================================================================
   Responsive
   ========================================================================= */

@media (max-width: 1080px) {
  .app__body { grid-template-columns: 1fr; }
  .app__side {
    flex-direction: row;
    align-items: center;
    gap: 0;
    overflow-x: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 0;
  }
  .app__group { padding: 12px 8px 12px 18px; white-space: nowrap; }
  .app__group--spaced { padding-top: 12px; padding-left: 18px; }
  .app__item { padding: 12px 10px; white-space: nowrap; }
  .app__item.is-active {
    border-right: 0;
    border-bottom: 2px solid var(--accent);
    background: transparent;
  }
  .module__grid { grid-template-columns: 1fr; }
  .module__left { border-right: 0; border-bottom: 1px solid var(--line); }
  .horizon { grid-template-columns: 1fr; }
  .horizon__side { border-left: 0; border-top: 1px solid var(--line); }
}

@media (max-width: 900px) {
  :root { --gutter: 28px; --section-gap: 76px; }
  .topnav { display: none; }
  .features { grid-template-columns: repeat(2, 1fr); }
  .app__row--wide-first,
  .app__row--wide-last { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; gap: 26px; }
  .horizon__main { padding: 36px 28px; }
  .horizon__side { padding: 32px 28px; }
}

@media (max-width: 720px) {
  :root { --gutter: 20px; --section-gap: 64px; }

  body { font-size: 16px; }

  .hero { padding-top: 56px; }
  .hero__topo { width: 1100px; opacity: .4; }
  .hero__title { max-width: 18ch; }
  .hero__actions .btn { flex: 1 1 100%; }

  .app { margin-top: 40px; border-radius: 12px; }
  .app__main { padding: 16px; }
  .kpis { grid-template-columns: repeat(2, 1fr); }
  .bar { grid-template-columns: 92px 1fr 36px; gap: 10px; font-size: 12px; }

  .band { margin-top: 48px; }
  .band__inner { grid-template-columns: repeat(2, 1fr); gap: 22px; }

  .necks { grid-template-columns: 1fr; gap: 16px; }
  .neck { padding: 24px; }
  .neck__body { font-size: 17px; }

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

  .module__left { padding: 28px 24px; }
  .module__right { padding: 22px 20px; }
  .module__name { font-size: 28px; }

  .route { margin-top: 28px; }

  .cta { margin-top: 72px; padding: 48px 24px; }

  .foot { flex-direction: column; align-items: flex-start; gap: 14px; }
}

@media (max-width: 380px) {
  .kpis { grid-template-columns: 1fr; }
  .app__path { font-size: 10.5px; }
  .bar { grid-template-columns: 84px 1fr 34px; }
}

/* ------------------------------------------------------------ motion ---- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}

/* ------------------------------------------------------------- print ---- */

@media print {
  .topbar, .cta__topo, .hero__topo { display: none; }
  body { background: #fff; }
  .module[hidden] { display: block !important; }
}