/* ==========================================================================
   AI Agent Essentials on Google Cloud: Boston landing page
   Design tokens come from the WideOps presentation templates.
   ========================================================================== */

:root {
  --navy-900: #0b1628;
  --navy-800: #0f1e33;
  --navy-700: #14243a;
  --blue-700: #1f4f8f;
  --blue-600: #2770b8;
  --blue-500: #2f86cc;
  --sky-400: #4abbeb;
  --green-600: #2b8a3e;
  --green-500: #52b947;
  --lime-400: #a3cd3a;

  --ink: #0f1e33;
  --ink-muted: #4a5a72;
  --ink-soft: #6b7a90;
  --paper: #ffffff;
  --paper-alt: #f5f7fa;
  --line: #e3e8ef;
  --line-strong: #cfd7e2;
  --line-dark: rgba(255, 255, 255, 0.1);
  --text-on-dark: #e8eef7;
  --text-on-dark-muted: #a3b2c7;

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;

  --container: 1160px;
  --gutter: clamp(20px, 4vw, 40px);
  --section-y: clamp(72px, 9vw, 112px);
  --nav-h: 72px;

  --font: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 8px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
}

h1,
h2,
h3,
h4,
p,
ul,
ol,
dl,
dd,
figure {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

:focus-visible {
  outline: 3px solid var(--sky-400);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--paper);
  color: var(--ink);
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.skip-link:focus {
  top: 16px;
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  position: relative;
  padding-block: var(--section-y);
}

.section--alt {
  background: var(--paper-alt);
}

.section--dark {
  background: var(--navy-900);
  color: var(--text-on-dark);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 24px clamp(32px, 6vw, 80px);
  align-items: end;
  margin-bottom: clamp(40px, 5vw, 56px);
}

.section-head .lead {
  margin: 0;
}

.accent::before {
  content: "";
  display: block;
  width: 44px;
  height: 4px;
  margin-bottom: 22px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--blue-600) 0 50%, var(--green-500) 50% 100%);
}

/* ---------- Typography ---------- */
h1 {
  font-size: clamp(40px, 5.2vw, 62px);
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: -0.025em;
}

h2 {
  font-size: clamp(30px, 3.4vw, 42px);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h3 {
  font-size: 19px;
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.lead {
  max-width: 620px;
  margin-top: 18px;
  font-size: 18px;
  line-height: 1.65;
  color: var(--ink-muted);
}

.section--dark .lead {
  color: var(--text-on-dark-muted);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 13px 24px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 600;
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.btn svg {
  width: 18px;
  height: 18px;
  flex: none;
  transition: transform 0.2s ease;
}

.btn:hover svg {
  transform: translateX(3px);
}

.btn--primary {
  color: #fff;
  background: var(--blue-600);
  box-shadow: 0 8px 20px -10px rgba(39, 112, 184, 0.8);
}

.btn--primary:hover {
  background: var(--blue-700);
  box-shadow: 0 12px 26px -12px rgba(39, 112, 184, 0.9);
  transform: translateY(-1px);
}

.btn--secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
  background: transparent;
}

.btn--secondary:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.btn--outline {
  color: var(--blue-600);
  border-color: var(--line-strong);
  background: var(--paper);
}

.btn--outline:hover {
  border-color: var(--blue-600);
}

.btn--sm {
  min-height: 40px;
  padding: 10px 18px;
  font-size: 15px;
}

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

.btn[disabled] {
  opacity: 0.75;
  cursor: progress;
}

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--nav-h);
  transition: background-color 0.2s ease, box-shadow 0.2s ease;
}

.nav.is-scrolled {
  background: rgba(11, 22, 40, 0.82);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  box-shadow: 0 1px 0 var(--line-dark);
}

.nav.is-open {
  background: var(--navy-900);
  box-shadow: 0 1px 0 var(--line-dark);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 100%;
}

.nav__brand img {
  height: 28px;
  width: auto;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav__links a {
  position: relative;
  padding: 6px 0;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-on-dark-muted);
  transition: color 0.15s;
}

.nav__links a:hover,
.nav__links a.is-active {
  color: #fff;
}

.nav__toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-sm);
  background: transparent;
  color: #fff;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.nav__toggle svg {
  width: 22px;
  height: 22px;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding-top: calc(var(--nav-h) + clamp(48px, 7vw, 88px));
  padding-bottom: 0;
  background:
    radial-gradient(ellipse 60% 70% at 15% 20%, rgba(39, 112, 184, 0.22), transparent 70%),
    var(--navy-900);
  color: var(--text-on-dark);
  border-bottom: 3px solid transparent;
  border-image: linear-gradient(90deg, var(--sky-400), var(--blue-600) 45%, var(--green-500)) 1;
}

.hero::before,
.grid-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, #000 30%, rgba(0, 0, 0, 0.35));
  -webkit-mask-image: linear-gradient(180deg, #000 30%, rgba(0, 0, 0, 0.35));
}

.hero__orb {
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  pointer-events: none;
}

.hero__orb--blue {
  width: 560px;
  height: 560px;
  right: -140px;
  bottom: -260px;
  background: radial-gradient(circle at 45% 40%, #4abbeb 0%, #2f86cc 45%, #1f4f8f 100%);
  opacity: 0.9;
}

.hero__orb--green {
  width: 260px;
  height: 260px;
  right: -90px;
  top: 110px;
  background: linear-gradient(135deg, #a3cd3a 0%, #52b947 55%, #2b8a3e 100%);
  opacity: 0.85;
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}

.hero__presenter {
  margin-bottom: 28px;
}

.hero__presenter-label {
  display: block;
  margin-bottom: 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-on-dark-muted);
}

.cobrand {
  display: inline-flex;
  align-items: center;
  gap: 20px;
}

.cobrand img {
  width: auto;
  height: 28px;
}

.cobrand img + .cobrand__divider + img {
  height: 24px;
}

.cobrand__divider {
  width: 1px;
  height: 30px;
  background: rgba(255, 255, 255, 0.28);
}

.hero h1 {
  color: #fff;
}

.hero__tagline {
  margin-top: 14px;
  font-size: clamp(20px, 2vw, 24px);
  font-weight: 500;
  line-height: 1.4;
  color: var(--sky-400);
}

.hero__sub {
  max-width: 540px;
  margin-top: 22px;
  font-size: 18px;
  color: var(--text-on-dark-muted);
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.hero__photo {
  position: relative;
}

.hero__photo img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 18px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.12), 0 40px 80px -36px rgba(0, 0, 0, 0.8);
}

.hero__photo figcaption {
  margin-top: 12px;
  font-size: 13px;
  color: var(--text-on-dark-muted);
}

.meta-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: clamp(56px, 7vw, 88px);
  border-top: 1px solid var(--line-dark);
}

.meta-row__item {
  padding: 26px 24px 30px 0;
}

.meta-row__item + .meta-row__item {
  padding-left: 24px;
  border-left: 1px solid var(--line-dark);
}

.meta-row dt {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-on-dark-muted);
}

.meta-row dd {
  margin-top: 6px;
  font-weight: 600;
  font-size: 17px;
  line-height: 1.4;
  color: #fff;
}

/* ---------- About ---------- */
.about {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(40px, 7vw, 96px);
}

.about__body p + p {
  margin-top: 18px;
}

.about__body p {
  color: var(--ink-muted);
}

.about__body .lead {
  color: var(--ink);
  font-weight: 500;
}

.outcomes h3 {
  margin-bottom: 16px;
  font-size: 20px;
}

.outcomes li {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.outcomes li:first-of-type {
  border-top: 1px solid var(--line);
}

.outcomes__num {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 14px;
  color: var(--blue-600);
  background: rgba(39, 112, 184, 0.09);
  font-variant-numeric: tabular-nums;
}

.outcomes li:nth-child(even) .outcomes__num {
  color: var(--green-600);
  background: rgba(82, 185, 71, 0.12);
}

.outcomes strong {
  display: block;
  font-size: 17px;
}

.outcomes p {
  margin-top: 4px;
  font-size: 16px;
  color: var(--ink-muted);
}

.facts {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: clamp(56px, 7vw, 80px);
  border-radius: 18px;
  background:
    radial-gradient(ellipse 50% 120% at 0% 0%, rgba(39, 112, 184, 0.35), transparent 70%),
    var(--navy-800);
  color: #fff;
  box-shadow: 0 30px 60px -36px rgba(11, 22, 40, 0.6);
}

.facts::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--sky-400), var(--blue-600) 45%, var(--green-500));
}

.facts div {
  padding: 30px 32px;
}

.facts div + div {
  border-left: 1px solid var(--line-dark);
}

.facts dt {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-on-dark-muted);
}

.facts dd {
  margin-top: 6px;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.35;
}

/* ---------- Curriculum ---------- */
.modules {
  border-top: 1px solid var(--line-strong);
}

.module {
  position: relative;
  display: grid;
  grid-template-columns: 80px minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 16px clamp(24px, 4vw, 56px);
  padding: 32px 24px;
  margin-inline: -24px;
  border-radius: 12px;
  transition: background-color 0.2s ease, box-shadow 0.2s ease;
}

.module::after {
  content: "";
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 0;
  height: 1px;
  background: var(--line);
}

.module:hover::after {
  opacity: 0;
}

.module:hover {
  background: var(--paper);
  box-shadow: 0 16px 36px -24px rgba(15, 30, 51, 0.35);
}

.module__num {
  font-size: 40px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--blue-600);
  font-variant-numeric: tabular-nums;
}

.module:nth-child(even) .module__num {
  color: var(--green-500);
}

.module h3 {
  font-size: 21px;
}

.module__topics {
  margin-top: 10px;
  color: var(--ink-muted);
  font-size: 16px;
}

.module__topics li + li {
  margin-top: 4px;
}

.module__outcome {
  font-size: 16px;
  color: var(--ink-muted);
}

.module__format {
  display: block;
  margin-top: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

.scope {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px clamp(32px, 6vw, 80px);
  margin-top: 48px;
}

.scope h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.scope p {
  font-size: 16px;
  color: var(--ink-muted);
}

/* ---------- Agenda ---------- */
.agenda {
  border-top: 1px solid var(--line-strong);
}

.slot {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr) 240px;
  gap: 12px 32px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.slot__time {
  font-weight: 600;
  font-size: 16px;
  font-variant-numeric: tabular-nums;
}

.slot h3 {
  font-size: 18px;
}

.slot__list {
  margin-top: 10px;
  color: var(--ink-muted);
  font-size: 16px;
}

.slot__list li {
  position: relative;
  padding-left: 18px;
}

.slot__list li + li {
  margin-top: 4px;
}

.slot__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 8px;
  height: 1.5px;
  background: var(--ink-soft);
}

.slot__speaker {
  font-size: 15px;
  color: var(--ink-muted);
}

.slot__speaker strong {
  display: block;
  color: var(--ink);
  font-weight: 600;
}

.slot--break .slot__time,
.slot--break h3 {
  color: var(--ink-soft);
  font-weight: 500;
}

.slot--main {
  background: linear-gradient(90deg, rgba(39, 112, 184, 0.06), transparent 70%);
  box-shadow: inset 3px 0 0 var(--blue-600);
  padding-left: 20px;
  margin-left: -20px;
}

/* ---------- Speakers ---------- */
.speakers {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 280px));
  gap: 24px;
}

.speaker__photo {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  margin-bottom: 18px;
  border-radius: 16px;
  background:
    radial-gradient(circle at 88% 12%, rgba(74, 187, 235, 0.55), transparent 42%),
    radial-gradient(circle at 8% 104%, rgba(82, 185, 71, 0.5), transparent 38%),
    var(--navy-800);
  color: #fff;
  font-size: 38px;
  font-weight: 700;
  letter-spacing: -0.01em;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.speaker:hover .speaker__photo {
  transform: translateY(-4px);
  box-shadow: 0 22px 40px -24px rgba(11, 22, 40, 0.6);
}

.speaker__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.speaker h3 {
  font-size: 18px;
}

.speaker__role {
  margin-top: 2px;
  font-size: 15px;
  color: var(--ink-muted);
}

.speaker__talk {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--ink-soft);
}

.speaker__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--blue-600);
}

.speaker__link svg {
  width: 16px;
  height: 16px;
  color: #0a66c2;
}

.speaker__link:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.speaker--tba .speaker__photo {
  background: var(--paper);
  border: 1.5px dashed var(--line-strong);
  color: var(--ink-soft);
  font-size: 15px;
  font-weight: 600;
}

.speaker--tba h3 {
  color: var(--ink-muted);
}

/* ---------- Audience ---------- */
.personas {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 clamp(32px, 6vw, 80px);
}

.persona {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 20px;
  padding: 30px 0;
  border-top: 1px solid var(--line-strong);
}

.persona__icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  color: var(--blue-600);
  background: rgba(39, 112, 184, 0.08);
}

.persona:nth-child(4n + 2) .persona__icon,
.persona:nth-child(4n + 3) .persona__icon {
  color: var(--green-600);
  background: rgba(82, 185, 71, 0.1);
}

.persona__icon svg {
  width: 24px;
  height: 24px;
}

.persona p {
  margin-top: 8px;
  color: var(--ink-muted);
}

.prereq-note {
  margin-top: 40px;
  padding: 24px 28px;
  border-radius: var(--radius);
  background: var(--paper);
  border: 1px solid var(--line);
  color: var(--ink-muted);
  font-size: 16px;
}

.prereq-note strong {
  color: var(--ink);
}

/* ---------- Registration ---------- */
.register {
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(ellipse 50% 60% at 100% 0%, rgba(39, 112, 184, 0.25), transparent 70%),
    var(--navy-900);
}

.register__orb {
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  pointer-events: none;
}

.register__orb--blue {
  width: 420px;
  height: 420px;
  left: -180px;
  bottom: -200px;
  background: radial-gradient(circle at 55% 40%, #4abbeb 0%, #2f86cc 45%, #1f4f8f 100%);
  opacity: 0.75;
}

.register__orb--green {
  width: 150px;
  height: 150px;
  right: 40px;
  top: 48px;
  background: linear-gradient(135deg, #a3cd3a 0%, #52b947 55%, #2b8a3e 100%);
  opacity: 0.85;
}

.register__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(40px, 6vw, 80px);
  align-items: start;
}

.register h2 {
  color: #fff;
}

.details {
  margin-top: 36px;
  border-top: 1px solid var(--line-dark);
}

.details div {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-dark);
}

.details dt {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-on-dark-muted);
}

.details dd {
  color: #fff;
  font-size: 16px;
}

.details dd small {
  display: block;
  margin-top: 2px;
  font-size: 14px;
  color: var(--text-on-dark-muted);
}

.form-card {
  position: relative;
  padding: clamp(28px, 4vw, 40px);
  border-radius: 18px;
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 40px 80px -40px rgba(0, 0, 0, 0.7);
  overflow: hidden;
}

.form-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, var(--sky-400), var(--blue-600) 45%, var(--green-500));
}

.form-card__head {
  margin-bottom: 26px;
}

.form-card__head h3 {
  font-size: 24px;
}

.form-card__head p {
  margin-top: 4px;
  font-size: 15px;
  color: var(--ink-muted);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.field {
  display: grid;
  gap: 6px;
  align-content: start;
}

.field--full {
  grid-column: 1 / -1;
}

.field label {
  font-size: 14px;
  font-weight: 600;
}

.field .opt {
  font-weight: 400;
  color: var(--ink-soft);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 48px;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background: var(--paper);
  font-size: 16px;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.field textarea {
  min-height: 92px;
  resize: vertical;
}

.field select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 42px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234a5a72' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 18px;
}

.field input::placeholder,
.field textarea::placeholder {
  color: #9aa7b8;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--blue-600);
  box-shadow: 0 0 0 3px rgba(39, 112, 184, 0.18);
}

.field.has-error input,
.field.has-error select,
.field.has-error textarea {
  border-color: #c62828;
}

.field__error {
  display: none;
  font-size: 13px;
  color: #b71c1c;
}

.field.has-error .field__error {
  display: block;
}

.consent {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 14px;
  color: var(--ink-muted);
  cursor: pointer;
}

.consent input {
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  accent-color: var(--blue-600);
  cursor: pointer;
}

.consent a {
  color: var(--blue-600);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.form-submit {
  margin-top: 26px;
}

.form-foot {
  margin-top: 12px;
  font-size: 13px;
  color: var(--ink-soft);
}

.form-alert {
  display: none;
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: #8e1b1b;
  background: #fdf1f1;
  border: 1px solid #f3cccc;
}

.form-alert.is-visible {
  display: block;
}

.spinner {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.form-success {
  padding: 12px 0;
}

.form-success[hidden] {
  display: none;
}

.form-success__icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  margin-bottom: 20px;
  border-radius: 50%;
  color: #fff;
  background: var(--green-500);
}

.form-success__icon svg {
  width: 26px;
  height: 26px;
}

.form-success h3 {
  font-size: 24px;
}

.form-success p {
  max-width: 440px;
  margin-top: 8px;
  color: var(--ink-muted);
}

.form-success .btn {
  margin-top: 24px;
}

/* ---------- FAQ ---------- */
.faq {
  border-top: 1px solid var(--line-strong);
}

.faq__item {
  border-bottom: 1px solid var(--line);
}

.faq__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
  padding: 24px 0;
  border: 0;
  background: none;
  text-align: left;
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
}

.faq__q svg {
  flex: none;
  width: 20px;
  height: 20px;
  color: var(--ink-soft);
  transition: transform 0.2s ease;
}

.faq__item.is-open .faq__q svg {
  transform: rotate(180deg);
}

.faq__a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.2s ease;
}

.faq__item.is-open .faq__a {
  grid-template-rows: 1fr;
}

.faq__a > div {
  overflow: hidden;
}

.faq__a p {
  max-width: 760px;
  padding-bottom: 24px;
  color: var(--ink-muted);
}

/* ---------- Footer ---------- */
.footer {
  padding-block: 56px 32px;
  background: var(--navy-900);
  color: var(--text-on-dark-muted);
  font-size: 15px;
}

.footer__top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 32px;
}

.footer__brand img {
  height: 30px;
  width: auto;
}

.footer__brand p {
  max-width: 360px;
  margin-top: 16px;
}

.footer__partner {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line-dark);
  max-width: 360px;
  font-size: 13px;
}

.footer__partner img {
  width: auto;
  height: 22px;
}

.footer__cols {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(32px, 6vw, 80px);
}

.footer h4 {
  margin-bottom: 12px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
}

.footer li + li {
  margin-top: 8px;
}

.footer a:hover {
  color: #fff;
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--line-dark);
  font-size: 13px;
}

/* ---------- Mobile sticky CTA ---------- */
.mobile-cta {
  display: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .slot {
    grid-template-columns: 170px minmax(0, 1fr);
  }

  .slot__speaker {
    grid-column: 2;
  }
}

@media (max-width: 960px) {
  .nav__links {
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px var(--gutter) 20px;
    background: var(--navy-900);
    border-bottom: 1px solid var(--line-dark);
    display: none;
  }

  .nav__links a {
    display: block;
    padding: 14px 0;
    font-size: 17px;
    border-bottom: 1px solid var(--line-dark);
  }

  .nav.is-open .nav__links {
    display: flex;
  }

  .nav__toggle {
    display: inline-flex;
  }

  .nav__cta {
    margin-left: auto;
  }

  .hero__grid,
  .about,
  .register__grid,
  .section-head {
    grid-template-columns: 1fr;
  }

  .hero__photo {
    max-width: 640px;
  }

  .hero__orb,
  .register__orb {
    display: none;
  }

  .meta-row,
  .facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .meta-row__item:nth-child(3) {
    padding-left: 0;
    border-left: 0;
  }

  .meta-row__item:nth-child(n + 3) {
    border-top: 1px solid var(--line-dark);
  }

  .facts div:nth-child(3) {
    border-left: 0;
  }

  .facts div:nth-child(n + 3) {
    border-top: 1px solid var(--line-dark);
  }

  .module {
    grid-template-columns: 56px minmax(0, 1fr);
    padding-inline: 0;
    margin-inline: 0;
  }

  .module::after {
    left: 0;
    right: 0;
  }

  .module:hover {
    background: none;
    box-shadow: none;
  }

  .module__num {
    font-size: 30px;
  }

  .module__outcome {
    grid-column: 2;
  }

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

@media (max-width: 640px) {
  body {
    font-size: 16px;
    padding-bottom: 72px;
  }

  .nav__cta {
    display: none;
  }

  .hero__ctas .btn {
    flex: 1 1 100%;
  }

  .meta-row,
  .facts,
  .personas,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .meta-row__item,
  .meta-row__item + .meta-row__item {
    padding: 18px 0;
    border-left: 0;
  }

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

  .facts div + div {
    border-left: 0;
    border-top: 1px solid var(--line-dark);
  }

  .speakers {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 16px;
  }

  .speaker__photo {
    font-size: 26px;
  }

  .slot {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .slot__speaker {
    grid-column: auto;
  }

  .module {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .module__outcome {
    grid-column: auto;
  }

  .details div {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .mobile-cta {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 90;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
    background: var(--navy-900);
    border-top: 1px solid var(--line-dark);
    color: #fff;
    transform: translateY(110%);
    transition: transform 0.25s ease;
  }

  .mobile-cta.is-visible {
    transform: none;
  }

  .mobile-cta span {
    font-size: 13px;
    line-height: 1.35;
    color: var(--text-on-dark-muted);
  }

  .mobile-cta strong {
    display: block;
    color: #fff;
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}