/* HabiVox site
   Font: Inter, matching the app's system font (San Francisco / Roboto)
   Brand colors, from the app: orange #F97316 and gray-900 #111827.
   --orange-text is the app's darker orange (orange-600), used only where
   orange is small text, so it stays readable.
   Spacing: 8px scale. Layout: 12-column grid, 1160px max. */

:root {
  --orange: #f97316;
  --orange-text: #ea580c;
  --ink: #111827;
  --text: #1f2937;
  --muted: #374151;
  --surface: #f9fafb;
  --line: #e5e7eb;
  --white: #ffffff;

  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --s1: 8px;
  --s2: 16px;
  --s3: 24px;
  --s4: 32px;
  --s5: 48px;
  --s6: 64px;
  --s7: 96px;
  --s8: 144px;

  --max: 1160px;
  --gutter: 24px;
  --radius: 8px;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: auto;
}

body {
  margin: 0;
  background: var(--white);
  color: var(--text);
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--ink);
  font-weight: 700;
}

h1,
h2 {
  letter-spacing: -0.035em;
  line-height: 1.05;
  text-wrap: balance;
}

.lead,
.points p {
  text-wrap: pretty;
}

h1 {
  font-size: clamp(48px, 7vw, 96px);
}

h2 {
  font-size: clamp(36px, 4.6vw, 60px);
}

h3 {
  font-family: var(--sans);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.35;
}

p {
  margin: 0;
}

.icon {
  width: 24px;
  height: 24px;
  flex: none;
}

.skip {
  position: absolute;
  left: -9999px;
}

.skip:focus {
  left: var(--gutter);
  top: var(--s2);
  z-index: 10;
  padding: var(--s1) var(--s2);
  background: var(--ink);
  color: var(--white);
}

/* ---------- Layout ---------- */

.wrap {
  width: 100%;
  max-width: calc(var(--max) + var(--gutter) * 2);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gutter);
}

.section {
  padding: var(--s8) 0;
}

.section + .section {
  border-top: 1px solid var(--line);
}

.section--surface {
  background: var(--surface);
}

.eyebrow {
  margin-bottom: var(--s3);
  color: var(--orange-text);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lead {
  margin-top: var(--s4);
  max-width: 34ch;
  color: var(--muted);
  font-size: 21px;
  line-height: 1.55;
}

/* ---------- Button (one style, used everywhere) ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s1);
  height: 52px;
  padding: 0 var(--s3);
  border: 0;
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--white);
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.15s ease;
}

.btn:hover {
  background: var(--orange-text);
}

.btn:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.btn .icon {
  width: 18px;
  height: 18px;
}

.cta {
  margin-top: var(--s5);
}

.note {
  margin-top: var(--s2);
  color: var(--muted);
  font-size: 15px;
}

/* ---------- Header ---------- */

.header {
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: saturate(1.4) blur(8px);
  -webkit-backdrop-filter: saturate(1.4) blur(8px);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.brand img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--s4);
}

.nav__links {
  display: flex;
  gap: var(--s4);
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav__links a {
  color: var(--ink);
  font-size: 16px;
  font-weight: 500;
  text-decoration: none;
}

.nav__links a:hover {
  color: var(--orange);
}

.menu {
  display: none;
}

/* ---------- Hero ---------- */

.hero {
  padding: var(--s7) 0 var(--s8);
}

.hero__text {
  grid-column: 1 / span 7;
  align-self: center;
}

.hero__media {
  grid-column: 9 / span 4;
}

/* ---------- Phone frame ---------- */

.phone {
  width: 100%;
  max-width: 320px;
  margin: 0 auto;
  padding: 10px;
  border-radius: 44px;
  background: var(--ink);
  box-shadow: 0 1px 2px rgba(20, 20, 20, 0.08), 0 24px 48px -16px rgba(20, 20, 20, 0.28);
}

.phone img {
  width: 100%;
  aspect-ratio: 600 / 1204;
  border-radius: 34px;
  background: var(--white);
  object-fit: cover;
}

.phones {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gutter);
}

/* ---------- Feature sections ---------- */

.feature__text {
  grid-column: 1 / span 6;
  align-self: center;
}

.feature__media {
  grid-column: 8 / span 5;
}

.feature--flip .feature__text {
  grid-column: 7 / span 6;
  grid-row: 1;
}

.feature--flip .feature__media {
  grid-column: 1 / span 5;
  grid-row: 1;
}

.points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s4) var(--gutter);
  margin: var(--s5) 0 0;
  padding: 0;
  list-style: none;
}

.points li {
  display: flex;
  flex-direction: column;
  gap: var(--s1);
}

.points .icon {
  margin-bottom: var(--s1);
  color: var(--orange);
}

.points p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.5;
}

/* ---------- AI Coach screen (HTML mock of the app, sample data) ----------
   Sized with container units so it scales with the phone frame.
   Colors inside the mock follow the app's own UI. */

.phone:has(.ui) {
  container-type: inline-size;
}

.ui {
  position: relative;
  aspect-ratio: 600 / 1204;
  overflow: hidden;
  border-radius: 34px;
  background: #f9fafb;
  color: #111827;
  font-family: var(--sans);
  font-size: 3.6cqw;
  line-height: 1.35;
}

.ui .icon {
  width: 1.25em;
  height: 1.25em;
  margin: 0;
  color: inherit;
  stroke-width: 2;
}

.ui p {
  margin: 0;
}

.ui__head {
  padding: 1.6em 1.3em 1em;
  background: #fff;
}

.ui__title {
  font-size: 1.9em;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.ui__sub {
  color: #6b7280;
  font-size: 1.05em;
}

.ui__tabs {
  display: flex;
  gap: 0.4em;
  margin-top: 1em;
  padding: 0.3em;
  border-radius: 0.9em;
  background: #f3f4f6;
  color: #6b7280;
  font-size: 0.95em;
}

.ui__tabs span {
  display: inline-flex;
  flex: 1;
  align-items: center;
  justify-content: center;
  gap: 0.35em;
  padding: 0.55em 0.4em;
  white-space: nowrap;
}

.ui__tabs .is-active {
  border-radius: 0.65em;
  background: #fff;
  color: #111827;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.ui__body {
  display: flex;
  flex-direction: column;
  gap: 1em;
  padding: 1.1em 1.3em 7em;
}

.ui-hero {
  padding: 1.3em;
  border-radius: 1.5em;
  background: linear-gradient(135deg, #111827, #431407 55%, #450a0a);
  color: #fff;
}

.ui-hero__row {
  display: flex;
  align-items: center;
  gap: 0.8em;
}

.ui-hero__badge {
  display: grid;
  flex: none;
  place-items: center;
  width: 2.8em;
  height: 2.8em;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 0.9em;
  background: rgba(255, 255, 255, 0.1);
  color: #fdba74;
}

.ui-hero__title {
  font-size: 1.3em;
  font-weight: 700;
  line-height: 1.15;
}

.ui-hero__sub {
  color: #fed7aa;
  font-size: 0.95em;
  opacity: 0.85;
}

.ui-hero__refresh {
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  margin-left: auto;
  padding: 0.45em 0.8em;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: #fed7aa;
  font-size: 0.85em;
  font-weight: 600;
}

.ui-hero__refresh .icon {
  width: 1.1em;
  height: 1.1em;
}

.ui .ui-hero__text {
  margin-top: 1em;
  padding-top: 1em;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.5;
}

.ui .ui-hero__next {
  margin-top: 0.8em;
  color: rgba(254, 215, 170, 0.75);
  font-size: 0.85em;
}

.ui-focus {
  padding: 1.3em;
  border-radius: 1.5em;
  background: linear-gradient(135deg, #f97316, #dc2626);
  color: #fff;
}

.ui-focus__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6em;
}

.ui-focus__label {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-size: 0.8em;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.ui-focus__chip {
  padding: 0.3em 0.75em;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  font-size: 0.8em;
  font-weight: 600;
  white-space: nowrap;
}

.ui .ui-focus__task {
  margin-top: 0.75em;
  font-size: 1.1em;
  font-weight: 600;
  line-height: 1.4;
}

.ui-bar {
  height: 0.55em;
  margin-top: 0.9em;
  overflow: hidden;
  border-radius: 999px;
  background: #f3f4f6;
}

.ui-bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #f97316, #ef4444);
}

.ui-bar--light {
  background: rgba(255, 255, 255, 0.25);
}

.ui-bar--light span {
  background: #fff;
}

.ui-card {
  padding: 1.2em;
  border: 1px solid #f3f4f6;
  border-radius: 1.5em;
  background: #fff;
}

.ui-card__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 700;
}

.ui-card__row span {
  display: inline-flex;
  align-items: center;
  gap: 0.45em;
}

.ui .ui-ok {
  display: flex;
  align-items: center;
  gap: 0.5em;
  margin-top: 0.9em;
  padding: 0.75em;
  border: 1px solid #dcfce7;
  border-radius: 1em;
  background: #f0fdf4;
  color: #16a34a;
  font-size: 0.85em;
  font-weight: 600;
}

.ui .ui-plan {
  display: flex;
  align-items: center;
  gap: 0.45em;
  margin-top: 0.3em;
  font-size: 1.2em;
  font-weight: 700;
}

.ui-day {
  display: flex;
  gap: 0.8em;
  padding: 1em;
  border: 1px solid #f3f4f6;
  border-radius: 1.1em;
  background: #fff;
  opacity: 0.7;
}

.ui-day b {
  display: block;
  color: #6b7280;
  font-size: 0.8em;
  text-transform: uppercase;
}

.ui-day p {
  color: #4b5563;
  font-size: 0.92em;
}

.ui-day__dot {
  display: grid;
  flex: none;
  place-items: center;
  width: 2.3em;
  height: 2.3em;
  border-radius: 50%;
  background: #f3f4f6;
  color: #9ca3af;
  font-size: 0.8em;
  font-weight: 700;
}

.ui-day.is-today {
  border-color: #fed7aa;
  background: linear-gradient(90deg, #fff7ed, #fef2f2);
  opacity: 1;
}

.ui-day.is-today b {
  color: #ea580c;
}

.ui-day.is-today p {
  color: #111827;
  font-weight: 500;
}

.ui-day.is-today .ui-day__dot {
  background: #ffedd5;
  color: #ea580c;
}

.ui__nav {
  position: absolute;
  left: 0.9em;
  right: 0.9em;
  bottom: 1em;
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 0.6em 0.4em;
  border-radius: 1.6em;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  color: #9ca3af;
  font-size: 0.75em;
}

.ui__nav span {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25em;
}

.ui__nav .icon {
  width: 1.7em;
  height: 1.7em;
}

.ui__nav .is-active {
  color: #ea580c;
  font-weight: 600;
}

.ui__nav .ui__plus {
  display: grid;
  place-items: center;
  width: 3.8em;
  height: 3.8em;
  margin-top: -1.4em;
  border-radius: 50%;
  background: linear-gradient(135deg, #f97316, #e11d48);
  color: #fff;
  box-shadow: 0 6px 16px rgba(234, 88, 12, 0.35);
}

.ui__nav .ui__plus .icon {
  width: 1.9em;
  height: 1.9em;
}

/* ---------- Simple centered sections ---------- */

.center {
  grid-column: 3 / span 8;
  text-align: center;
}

.center .lead {
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Footer ---------- */

.footer {
  padding: var(--s6) 0 var(--s5);
  border-top: 1px solid var(--line);
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s3);
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s1) var(--s4);
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer__links a {
  color: var(--ink);
  font-size: 15px;
  text-decoration: none;
}

.footer__links a:hover {
  color: var(--orange);
}

.footer small {
  color: var(--muted);
  font-size: 15px;
}

/* ---------- Legal pages ---------- */

.legal {
  padding: var(--s7) 0 var(--s8);
}

.legal__body {
  max-width: 680px;
}

.legal h1 {
  font-size: clamp(40px, 5.6vw, 64px);
}

.legal .updated {
  margin-top: var(--s3);
  color: var(--muted);
  font-size: 16px;
}

.legal__body > .updated:last-child {
  margin-top: var(--s6);
  padding-top: var(--s3);
  border-top: 1px solid var(--line);
}

.legal h2 {
  margin-top: var(--s6);
  font-family: var(--sans);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.3;
}

.legal p,
.legal ul {
  margin: var(--s2) 0 0;
}

.legal ul {
  padding-left: 22px;
}

.legal li + li {
  margin-top: var(--s1);
}

.legal a {
  text-decoration-color: var(--orange);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.legal .cta {
  margin-top: var(--s4);
}

/* ---------- Tablet ---------- */

@media (max-width: 960px) {
  .section {
    padding: var(--s7) 0;
  }

  .nav__links {
    gap: var(--s3);
  }

  .hero__text,
  .feature__text,
  .feature--flip .feature__text,
  .coach__head,
  .center {
    grid-column: 1 / -1;
  }

  .hero__media,
  .feature__media,
  .feature--flip .feature__media {
    grid-column: 1 / -1;
    grid-row: auto;
    margin-top: var(--s6);
  }

  .feature--flip .feature__text {
    grid-row: auto;
  }

  .hero__media .phone {
    max-width: 300px;
  }

  .feature__media .phones {
    max-width: 600px;
    margin: 0 auto;
  }

}

/* ---------- Phone ---------- */

@media (max-width: 720px) {
  body {
    font-size: 17px;
  }

  :root {
    --gutter: 16px;
  }

  .header__inner {
    height: 64px;
  }

  .nav__links,
  .nav > .btn {
    display: none;
  }

  .menu {
    display: block;
    position: relative;
  }

  .menu summary {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    margin-right: -10px;
    color: var(--ink);
    cursor: pointer;
    list-style: none;
  }

  .menu summary::-webkit-details-marker {
    display: none;
  }

  .menu .icon-close,
  .menu[open] .icon-open {
    display: none;
  }

  .menu[open] .icon-close {
    display: block;
  }

  .menu__panel {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    padding: var(--s2) var(--gutter) var(--s4);
    background: var(--white);
    border-bottom: 1px solid var(--line);
  }

  .menu__panel ul {
    margin: 0 0 var(--s3);
    padding: 0;
    list-style: none;
  }

  .menu__panel li a {
    display: block;
    padding: 12px 0;
    color: var(--ink);
    font-size: 20px;
    font-weight: 500;
    text-decoration: none;
    border-bottom: 1px solid var(--line);
  }

  .menu__panel .btn {
    width: 100%;
    justify-content: center;
  }

  .hero {
    padding: var(--s6) 0 var(--s7);
  }

  .lead {
    margin-top: var(--s3);
    font-size: 19px;
  }

  .cta {
    margin-top: var(--s4);
  }

  .cta .btn {
    width: 100%;
    justify-content: center;
  }

  .section {
    padding: var(--s7) 0;
  }

  .points {
    grid-template-columns: 1fr;
    gap: var(--s3);
  }


  .phones {
    gap: var(--s2);
  }

  .phone {
    padding: 6px;
    border-radius: 30px;
  }

  .phone img,
  .ui {
    border-radius: 24px;
  }


  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .legal {
    padding: var(--s6) 0 var(--s7);
  }
}