/* ==========================================================================
   AI Business Bytes — page styles.

   Built on top of the Industry design system (assets/css/industry.css), which
   is vendored verbatim and stays the source of truth for colour, type,
   spacing and the .blueprint / .duotone / .btn / .nav / .field primitives.
   Everything here is layout on top of those tokens — no hard-coded hexes,
   no font names, nothing the tokens already carry.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */

body {
  margin: 0;
  text-wrap: pretty;
}

a {
  color: var(--color-accent-700);
  text-decoration: none;
}

a:hover {
  color: var(--color-accent-600);
}

.page {
  min-height: 100vh;
  background: var(--color-bg);
  color: var(--color-text);
}

.page--contact {
  display: flex;
  flex-direction: column;
}

/* The measure. Home runs a touch wider than the interior pages, matching the
   design source. */
.shell {
  --shell-max: 1240px;
  --shell-pad: clamp(20px, 5vw, 64px);
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: var(--shell-pad);
}

.page--about .shell,
.page--contact .shell {
  --shell-max: 1200px;
  --shell-pad: clamp(20px, 5vw, 72px);
}

.page--contact .page__body {
  flex: 1;
}

/* Visually hidden, still read aloud — used by the skip link. */
.visually-hidden:not(:focus):not(:active) {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link:focus {
  position: fixed;
  top: var(--space-3);
  left: var(--space-3);
  z-index: 10;
  padding: var(--space-2) var(--space-4);
  background: var(--color-accent-900);
  color: var(--color-bg);
}

/* --------------------------------------------------------------------------
   Shared type fragments
   -------------------------------------------------------------------------- */

/* Section number + name, e.g. "0100 · Episodes". */
.kicker {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-size: 13px;
  line-height: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-700);
  font-feature-settings: 'tnum' 1;
}

.kicker--wide {
  letter-spacing: 0.16em;
  line-height: normal;
}

.rule {
  height: 1px;
  border: 0;
  margin: 12px 0 0;
  background: var(--color-divider);
}

/* The 0/1 tape that carries the bits-and-bytes thread through the site. */
.binary-tape {
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 20px;
  letter-spacing: 0.42em;
  font-feature-settings: 'tnum' 1;
  word-break: break-all;
  color: color-mix(in srgb, var(--color-accent) 45%, transparent);
}

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

.site-nav {
  padding-block: 20px;
  gap: 28px;
  row-gap: 12px;
  flex-wrap: wrap;
  align-items: baseline;
}

.site-nav .site-nav__brand {
  margin-right: auto;
  font-size: 19px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-text);
}

.page--about .site-nav .site-nav__brand,
.page--contact .site-nav .site-nav__brand {
  letter-spacing: 0.02em;
}

.site-nav .site-nav__brand:hover {
  color: var(--color-accent-700);
}

/* Specificity has to clear the design system's own `.nav a` rules. */
.site-nav a.site-nav__link {
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text);
}

.site-nav a.site-nav__link:hover,
.site-nav a.site-nav__link[aria-current='page'] {
  color: var(--color-accent-700);
}

.site-nav a.site-nav__cta,
.site-nav a.site-nav__cta:hover,
.site-nav a.site-nav__cta[aria-current='page'] {
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-bg);
  padding: 8px 14px;
}

/* --------------------------------------------------------------------------
   Home — hero
   -------------------------------------------------------------------------- */

.hero {
  position: relative;
  overflow: hidden;
  background: var(--color-accent-900);
  color: var(--color-bg);
}

.hero__tape {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.13;
  padding: 14px 0 0;
  color: var(--color-accent-200);
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 26px;
  letter-spacing: 0.42em;
  font-feature-settings: 'tnum' 1;
  word-break: break-all;
}

.hero__inner {
  position: relative;
  padding-block: clamp(48px, 7vw, 96px) clamp(48px, 6vw, 80px);
}

.hero__eyebrow {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 20px;
  flex-wrap: wrap;
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent-300);
  font-feature-settings: 'tnum' 1;
}

.hero__rule {
  height: 1px;
  border: 0;
  margin: 14px 0 0;
  background: color-mix(in srgb, var(--color-bg) 30%, transparent);
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: end;
  margin-top: clamp(28px, 4vw, 48px);
}

.hero__title {
  margin: 0;
  /* Optical alignment: pulls the cap of the "A" flush to the measure. */
  margin-left: -0.052em;
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-size: clamp(52px, 9vw, 132px);
  line-height: 0.94;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.hero__title span {
  display: block;
}

.hero__lede {
  margin: clamp(24px, 3vw, 36px) 0 0;
  max-width: 52ch;
  font-size: 18px;
  line-height: 1.6;
  color: color-mix(in srgb, var(--color-bg) 86%, transparent);
}

.hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: clamp(24px, 3vw, 36px);
}

.hero__portraits {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(20px, 3vw, 32px);
}

/* Buttons reversed out of the steel field. */
.btn-inverse {
  padding: 11px 20px;
  font-size: 14px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--color-bg);
  color: var(--color-accent-900);
  border-color: var(--color-bg);
}

.btn-inverse:hover {
  background: var(--color-accent-200);
  border-color: var(--color-accent-200);
  color: var(--color-accent-900);
}

.btn-inverse-outline {
  padding: 11px 20px;
  font-size: 14px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: transparent;
  color: var(--color-bg);
  border-color: color-mix(in srgb, var(--color-bg) 45%, transparent);
}

.btn-inverse-outline:hover {
  background: color-mix(in srgb, var(--color-bg) 12%, transparent);
  color: var(--color-bg);
}

/* --------------------------------------------------------------------------
   Portraits — blueprint-framed, duotoned figures
   -------------------------------------------------------------------------- */

.portrait {
  position: relative;
  margin: 0;
  aspect-ratio: 4 / 5;
}

.hero .portrait {
  border-color: color-mix(in srgb, var(--color-bg) 40%, transparent);
  color: var(--color-bg);
}

.portrait img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Per-asset crops, matched to the design source. */
.portrait--antonio-hero img { object-position: 50% 14%; }
.portrait--sondra-hero img { object-position: 50% 12%; }
.portrait--antonio-bio img { object-position: 50% 14%; }
.portrait--sondra-bio img { object-position: 50% 14%; }

.portrait__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 10px 12px;
  background: color-mix(in srgb, var(--color-accent-900) 72%, transparent);
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-bg);
}

/* --------------------------------------------------------------------------
   Home — "why us" panel
   -------------------------------------------------------------------------- */

.whyus {
  padding: clamp(48px, 7vw, 88px) 0 0;
}

.whyus__panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: clamp(32px, 5vw, 64px) clamp(20px, 4vw, 48px);
  background: var(--color-accent-100);
}

.whyus__title {
  margin: 18px 0 0;
  max-width: 24ch;
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-size: clamp(30px, 4vw, 54px);
  line-height: 1.06;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--color-accent-900);
}

.whyus__sub {
  margin: 18px 0 0;
  max-width: 44ch;
  font-size: 17px;
  line-height: 1.6;
  color: var(--color-accent-800);
}

/* --------------------------------------------------------------------------
   Home — episodes
   -------------------------------------------------------------------------- */

.episodes {
  padding: clamp(40px, 5vw, 64px) 0 0;
}

.episodes__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.episode {
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr);
  gap: clamp(16px, 3vw, 40px);
  align-items: baseline;
  padding: 24px 8px;
  border-bottom: 1px solid var(--color-divider);
}

.episode__num {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--color-accent-700);
  font-feature-settings: 'tnum' 1;
}

.episode__num span {
  display: block;
  margin-top: 4px;
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
}

.episode__title {
  display: block;
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.1;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.episode__desc {
  display: block;
  margin-top: 8px;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.6;
  color: color-mix(in srgb, var(--color-text) 76%, transparent);
}

/* --------------------------------------------------------------------------
   About — the intro
   -------------------------------------------------------------------------- */

.hosts-intro {
  padding: clamp(56px, 9vw, 120px) 0 96px;
}

.hosts-intro__kicker {
  display: block;
  margin-bottom: 12px;
}

.hosts-intro__rule {
  height: 1px;
  border: 0;
  margin: 0 0 36px;
  background: var(--color-divider);
}

.hosts-intro__title {
  margin: 0;
  margin-left: -0.052em;
  max-width: 20ch;
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-size: clamp(34px, 4.6vw, 62px);
  line-height: 1.06;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.hosts-intro__title span {
  display: block;
}

.hosts-intro__title span + span {
  color: var(--color-accent-700);
}

.hosts-intro__cols {
  display: grid;
  /* min() keeps the track from forcing a horizontal scrollbar on a 320px phone,
     where the column floor is wider than the measure. */
  grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
  gap: clamp(24px, 4vw, 56px);
  margin-top: clamp(32px, 4vw, 48px);
  max-width: 900px;
}

.hosts-intro__cols p {
  margin: 0 0 18px;
  font-size: 17px;
  line-height: 1.65;
  color: color-mix(in srgb, var(--color-text) 82%, transparent);
}

.hosts-intro__cols p:last-child {
  margin-bottom: 0;
}

.hosts-intro__coda {
  margin: clamp(28px, 3.5vw, 40px) 0 0;
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-size: clamp(22px, 2.6vw, 32px);
  line-height: 1.1;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--color-accent-700);
}

.hosts-intro .binary-tape {
  margin-top: 44px;
}

/* --------------------------------------------------------------------------
   About — host bios
   -------------------------------------------------------------------------- */

.hosts {
  display: grid;
  gap: clamp(40px, 6vw, 80px);
  padding: 0 0 96px;
}

.host {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  gap: clamp(24px, 4vw, 64px);
  align-items: start;
}

.host__name {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-size: clamp(30px, 3.4vw, 44px);
  line-height: 1.06;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.host__role {
  display: block;
  margin-top: 12px;
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-700);
}

.host__rule {
  height: 1px;
  border: 0;
  margin: 20px 0;
  background: var(--color-divider);
}

.host__bio p {
  margin: 0 0 14px;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.65;
  color: color-mix(in srgb, var(--color-text) 82%, transparent);
}

.host__bio p:last-child {
  margin-bottom: 0;
}

.host__links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.host__links .btn {
  gap: 8px;
  padding: 8px 14px;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text);
}

/* --------------------------------------------------------------------------
   Contact
   -------------------------------------------------------------------------- */

.contact {
  padding: clamp(48px, 7vw, 96px) 0 0;
}

.contact__kicker {
  display: block;
}

.contact__rule {
  height: 1px;
  border: 0;
  margin: 12px 0 clamp(28px, 4vw, 44px);
  background: var(--color-divider);
}

.contact__panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
  gap: clamp(24px, 4vw, 64px);
  align-items: start;
  padding: clamp(24px, 4vw, 48px);
}

.contact__title {
  margin: 0;
  max-width: 18ch;
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-size: clamp(30px, 3.6vw, 46px);
  line-height: 1.06;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.contact__lede {
  margin: 18px 0 0;
  max-width: 42ch;
  font-size: 16px;
  line-height: 1.65;
  color: color-mix(in srgb, var(--color-text) 80%, transparent);
}

.contact__mark {
  margin: 28px 0 0;
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent-700);
  font-feature-settings: 'tnum' 1;
}

.contact__form {
  display: grid;
  gap: 16px;
}

.contact__actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.contact__submit {
  padding: 10px 18px;
  font-size: 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-bg);
}

.contact__status {
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-700);
}

.contact__status--error {
  color: var(--color-accent-900);
}

.page--contact .binary-tape {
  margin-top: clamp(36px, 5vw, 56px);
}

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

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  padding: 36px 0;
  font-size: 13px;
  line-height: 24px;
  color: color-mix(in srgb, var(--color-text) 70%, transparent);
}

.page--about .site-footer {
  border-top: 1px solid var(--color-divider);
}

.page--contact .site-footer {
  padding: 44px 0 36px;
}

.site-footer__mark {
  font-feature-settings: 'tnum' 1;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

/* --------------------------------------------------------------------------
   Responsive — the design source is a desktop composition; these are the
   breakpoints that carry it down to a phone without changing its proportions.
   -------------------------------------------------------------------------- */

@media (max-width: 900px) {
  .hero__grid {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
  }

  .hero__portraits {
    max-width: 520px;
  }
}

@media (max-width: 760px) {
  .host {
    grid-template-columns: minmax(0, 1fr);
  }

  .host__portrait {
    max-width: 320px;
  }
}

@media (max-width: 560px) {
  .site-nav {
    gap: 20px;
    row-gap: 14px;
  }

  .site-nav .site-nav__brand {
    flex: 1 0 100%;
    margin-right: 0;
  }

  .episode {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
    align-items: start;
  }

  .episode__num {
    display: flex;
    gap: 10px;
  }

  .episode__num span {
    margin-top: 0;
  }

  .site-footer {
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}