:root {
  --font-sans: "Inter", "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-accent: "Space Grotesk", "Inter", sans-serif;

  --color-bg: #0b1120;
  --color-surface: #10182c;
  --color-contrast: #f6f7fb;
  --color-contrast-soft: #e6e9f2;
  --color-muted: #9aa3b7;
  --color-accent: #eac36e;
  --color-accent-strong: #dba648;
  --color-line: rgba(255, 255, 255, 0.08);
  --color-dark-line: rgba(11, 17, 32, 0.12);

  --shadow-card: 0 4px 24px rgba(9, 11, 26, 0.18);
  --radius-lg: 24px;
  --radius-md: 20px;

  --space-8: 8px;
  --space-16: 16px;
  --space-24: 24px;
  --space-32: 32px;
  --space-48: 48px;
  --space-64: 64px;
  --space-96: 96px;

  --h1-size: 48px;
  --h2-size: 32px;
  --h3-size: 24px;
  --h4-size: 20px;
  --body-l: 18px;
  --body-m: 16px;
  --body-s: 14px;
}

/* Base */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: #f4f6ff;
  -webkit-font-smoothing: antialiased;
}

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

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

p {
  margin: 0;
}

p + p {
  margin-top: var(--space-16);
}

ul,
ol {
  margin: 0;
  padding: 0;
}

.container {
  width: min(1200px, 92%);
  margin: 0 auto;
}

main {
  background: linear-gradient(180deg, rgba(11, 17, 32, 0) 0%, rgba(11, 17, 32, 0.85) 60%, #0b1120 100%);
}

.section {
  padding: var(--space-96) 0;
  background: transparent;
}

.section + .section {
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.section--contrast {
  background: #fff;
  color: #0b1120;
}

.section--contrast .card {
  background: #fdfdfd;
  border: 1px solid var(--color-dark-line);
  color: inherit;
}

.section--alt {
  background: #10172f;
}

.section--highlight {
  background: #fff8ed;
  color: #0b1120;
}

.section--with-bg {
  position: relative;
  overflow: hidden;
}

.logos {
	display: flex;
	gap: 15px;
}

.section--with-bg .section__bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(234, 195, 110, 0.28), transparent 45%),
    linear-gradient(135deg, rgba(14, 19, 40, 0.95), rgba(12, 16, 35, 0.9));
  z-index: 0;
}

.section--with-bg > .container {
  position: relative;
  z-index: 1;
}

.section--form {
  background: #f5f6fb;
  color: #0b1120;
}

.section--cta {
  background: #0f162b;
}

/* Typography */

h1,
h2,
h3,
h4 {
  font-family: var(--font-accent);
  letter-spacing: -0.01em;
  font-weight: 600;
  margin: 0 0 var(--space-16);
}

h1 {
  font-size: var(--h1-size);
  line-height: 1.2;
  max-width: 18ch;
}

h2 {
  font-size: var(--h2-size);
  line-height: 1.3;
  max-width: 28ch;
}

h3 {
  font-size: var(--h3-size);
  line-height: 1.35;
}

h4 {
  font-size: var(--h4-size);
  line-height: 1.4;
}

.body-l {
  font-size: var(--body-l);
  line-height: 1.5;
  color: inherit;
  max-width: 65ch;
}

.body-m {
  font-size: var(--body-m);
  line-height: 1.55;
  color: inherit;
  max-width: 70ch;
}

.body-s {
  font-size: var(--body-s);
  line-height: 1.6;
  letter-spacing: 0.01em;
  color: var(--color-muted);
}

.eyebrow {
  font-size: var(--body-s);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-muted);
  margin-bottom: var(--space-16);
}

.section__intro {
  margin-bottom: var(--space-48);
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(8, 11, 24, 0.85);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-32);
  padding: var(--space-16) 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-16);
}

.brand__logo {
  display: block;
  height: auto;
  width: auto;
  max-width: 200px;
}

.brand__logo--header {
  max-width: 160px;
}

.brand__logo--footer {
  width: auto;
  height: 40px;
}

.site-nav {
  display: flex;
  gap: var(--space-24);
  font-size: 0.95rem;
}

.nav-link {
  padding-bottom: 4px;
  border-bottom: 1px solid transparent;
  transition: border-color 200ms ease;
}

.nav-link:hover,
.nav-link:focus-visible {
  border-color: var(--color-accent);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  border: none;
  background: transparent;
  padding: 8px;
  cursor: pointer;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: #fdfdfd;
  display: block;
}

/* Hero */

.hero {
  position: relative;
  padding: var(--space-96) 0;
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.hero__bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.65) brightness(0.45);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(11, 17, 22, 0.30), rgba(11, 17, 32, 0.55));
}

.hero__layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: var(--space-48);
  align-items: flex-start;
}

.hero__content .lead {
  margin-bottom: var(--space-32);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-16);
  margin-bottom: var(--space-32);
}

.hero__meta {
  display: flex;
  gap: var(--space-32);
  margin-bottom: var(--space-32);
}

.hero__meta-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.label {
  font-size: var(--body-s);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.value {
  font-size: var(--body-l);
  font-weight: 500;
}

.partners {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
}

.partners--hero {
  padding-top: var(--space-16);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.partners__row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-24);
  align-items: center;
}

.partners__row img {
  height: auto;
  width: 170px;
  object-fit: contain;
  opacity: 1;
}

.hero__card {
  background: radial-gradient(circle at top right, rgba(234, 195, 110, 0.28), transparent 45%),
    linear-gradient(135deg, rgba(14, 19, 40, 0.95), rgba(12, 16, 35, 0.9));
  /* background: rgba(18, 24, 40, 0.85); */
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-32);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
}

.hero__card-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.12);
}

.check-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  padding-left: 0;
  margin: 0;
}

.check-list li {
  font-size: var(--body-m);
}

.check-list li::before {
  content: "";
}

/* Grid & cards */

.grid {
  display: grid;
  gap: var(--space-32);
}

.grid--3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid--4 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: var(--space-32);
  min-height: 220px;
  box-shadow: var(--shadow-card);
}

.audience__card {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
}

.icon-circle {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #f7f7ff;
}

.icon-circle svg {
  width: 28px;
  height: 28px;
}

/* Timeline */

.timeline {
  display: grid;
  gap: var(--space-24);
}

.timeline__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-24);
  padding: var(--space-24);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(15, 20, 38, 0.7);
}

.timeline__number {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-accent);
  line-height: 1;
}

/* Benefits */

.benefit {
  min-height: 180px;
}

/* Speakers */

.speakers {
  gap: var(--space-32);
}

.speaker-card {
  background: #fff;
  color: #0b1120;
  border-radius: var(--radius-md);
  padding: var(--space-32);
  box-shadow: 0 10px 40px rgba(13, 15, 39, 0.1);
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.speaker-card__photo {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.speaker-card__photo img {
  width: 100%;
  aspect-ratio: 4/4;
  object-fit: cover;
	object-position: top center;
  filter: saturate(0.9) brightness(1);
	margin-bottom: 10px;
}

.speaker-card__role {
  font-size: var(--body-s);
  color: rgba(11, 17, 32, 0.6);
}

.speaker-card h4 {
	margin-bottom: 0;
}
.speaker-card .body-m {
	margin-top: 5px;
}

/* Pricing */

.pricing {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(240px, 0.9fr);
  gap: var(--space-48);
  align-items: start;
}

.pricing__aside {
  background: #0b1120;
  color: #fff;
  border-radius: var(--radius-md);
  padding: var(--space-32);
  box-shadow: var(--shadow-card);
}

.capacity {
  margin-bottom: var(--space-16);
}

/* Cases */

.case {
  background: rgba(255, 255, 255, 0.98);
  color: #0b1120;
  border: 1px solid var(--color-dark-line);
}

.case__label {
  font-size: var(--body-s);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #6c6f82;
}

/* FAQ */

.faq {
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
}

.faq__item {
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.02);
}

.section--contrast .faq__item,
.section--form .faq__item {
  background: #fff;
  border: 1px solid var(--color-dark-line);
}

.faq__question {
  width: 100%;
  background: none;
  border: none;
  color: inherit;
  font-size: var(--body-l);
  text-align: left;
  padding: var(--space-24);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq__icon {
  font-size: 1.5rem;
  color: var(--color-accent);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 var(--space-24);
  transition: max-height 240ms ease;
}

.faq__item.is-open .faq__answer {
  max-height: 300px;
  padding-bottom: var(--space-24);
}

.faq__item.is-open .faq__icon {
  transform: rotate(45deg);
}

/* Form */

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-64);
  align-items: start;
}

.form-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-48);
  box-shadow: 0 30px 80px rgba(11, 17, 32, 0.1);
}

.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
}

.form-label {
  font-size: var(--body-s);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #6f7282;
}

.form-input {
  width: 100%;
  border: 1px solid rgba(11, 17, 32, 0.15);
  border-radius: 16px;
  padding: 14px 18px;
  font-size: var(--body-m);
  font-family: inherit;
  color: #0b1120;
  background: #f7f8fc;
}

.form-input::placeholder {
  color: rgba(11, 17, 32, 0.4);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-hint {
  font-size: var(--body-s);
  color: rgba(11, 17, 32, 0.7);
}

.form-status {
  font-size: var(--body-s);
  min-height: 20px;
}

.form-status--success {
  color: #1d7a4b;
}

.form-status--error {
  color: #c74242;
}

.btn {
  border: none;
  border-radius: 999px;
  padding: 14px 32px;
  font-size: var(--body-m);
  font-weight: 600;
  cursor: pointer;
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}

.btn--primary {
  background: var(--color-accent);
  color: #0b1120;
  box-shadow: 0 10px 30px rgba(234, 195, 110, 0.35);
}

.btn--secondary {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn--ghost {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #fff;
}

.btn--full {
	width: fit-content;
	display: block;
	margin-top: 28px;
}

.btn-custom {
	cursor: pointer;
	width: fit-content;
	display: block;
	margin-top: 28px;
}

/* CTA */

.cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-32);
}

/* Footer */

.site-footer {
  background: #060913;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: var(--space-32) 0;
  color: rgba(255, 255, 255, 0.7);
}

.footer {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-32);
  align-items: center;
  justify-content: space-between;
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
  align-items: flex-start;
}

.footer__links {
  display: flex;
  gap: var(--space-24);
}

.footer__links a {
  font-size: var(--body-s);
  color: rgba(255, 255, 255, 0.85);
}

/* Reveal */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.reveal--visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */

@media (max-width: 1024px) {
  .hero__layout,
  .pricing {
    grid-template-columns: 1fr;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    right: 4%;
    flex-direction: column;
    gap: var(--space-16);
    background: rgba(8, 11, 24, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: var(--space-24);
    display: none;
  }

  .nav-toggle {
    display: flex;
  }
}

@media (max-width: 768px) {
  .hero {
    padding-top: 140px;
  }

  .hero__meta {
    flex-direction: column;
  }

  .hero__actions {
    width: 100%;
  }

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

@media (max-width: 600px) {
  h1 {
    font-size: 40px;
  }

  h2 {
    font-size: 28px;
  }

  .section {
    padding: var(--space-64) 0;
  }

  .form-card {
    padding: var(--space-32);
  }
}

@media (min-width: 1024px) {
  .timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
