/* Variables */
:root {
  --color-bg: #fdfdfd;
  --color-text: #1a1a24;
  --color-primary: #4b3f94;
  --color-accent: #d9962b;
  --color-action: #3b9bff;
  --color-line: #4a4e69;
  --radius: 28px;
  --font-base: "DM Sans", system-ui, sans-serif;
  --font-title: "Rubik", "DM Sans", sans-serif;
  --font-mono: "Space Mono", ui-monospace, monospace;
}

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

body {
  margin: 0;
}

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

.page {
  font-family: var(--font-base);
  line-height: 1.3;
  color: var(--color-text);
  background: var(--color-bg);
}

.container {
  width: min(100% - 2.5rem, 1080px);
  margin-inline: auto;
}

/* Header / brand */
.header__inner {
  padding-block: 3rem 5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  text-decoration: none;
  color: #000;
}

.brand__logo {
  width: auto;
  height: 4.2rem;
}

/* Badge */
.badge {
  display: inline-block;
  padding: 0.55rem 1.1rem;
  font-family: var(--font-title);
  font-size: 1.05rem;
  text-transform: uppercase;
  color: #fff;
  border-radius: 999px;
  background: var(--color-accent);
}

/* Button */
.btn {
  display: inline-block;
  padding: 0.8rem 1.4rem;
  font-family: var(--font-title);
  font-size: 1.05rem;
  text-decoration: none;
  color: #fff;
  border-radius: 10px;
  background: var(--color-action);
  transition: transform 0.15s, background-color 0.15s;
}

.btn:hover,
.btn:focus-visible {
  background: #1f83f5;
  transform: translateY(-2px);
}

/* Hero */
.hero {
  display: grid;
  align-items: center;
  gap: 2rem;
  grid-template-columns: 1.15fr 1fr;
  padding-bottom: 4rem;
  border-bottom: 3px solid var(--color-line);
}

.hero__badges {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.hero__zoom {
  width: 3.4rem;
  height: 3.4rem;
}

.hero__title {
  margin: 1.5rem 0 0.8rem;
  font-family: var(--font-title);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  line-height: 1.05;
  color: var(--color-primary);
}

.hero__prompt {
  font-family: var(--font-mono);
}

.hero__subtitle {
  margin: 0 0 2.2rem;
  font-size: 1.3rem;
}

.hero__time {
  display: inline-block;
  padding: 0.1rem 0.75rem;
  font-family: var(--font-title);
  font-size: 1.35rem;
  color: #fff;
  border-radius: 999px;
  background: #4B3F94;
}

.hero__time-zone {
  font-size: 1rem;
  color: var(--color-line);
}

.hero__media {
  margin: 0;
}

.hero__image {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  aspect-ratio: 1000 / 568;
  object-fit: cover;
}

/* Sessions */
.sessions {
  padding-block: 3rem 3.5rem;
  border-bottom: 3px solid var(--color-line);
}

.session {
  display: grid;
  align-items: center;
  gap: 1.5rem;
  grid-template-columns: 7rem 1fr 20rem;
  padding-block: 1.5rem;
}

.session__date {
  font-size: 1.30rem;
  font-weight: bold;
  color: rgb(76 76 76);
}

.session__title {
  margin: 0;
  font-size: 1.4rem;
  font-weight: 400;
}

.session__topic {
  margin: 0.2rem 0 0;
  font-size: 1.4rem;
  font-style: italic;
}

/* Speaker */
.speaker {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  min-width: 0;
}

.speaker__photo {
  width: 5rem;
  height: 5rem;
  border-radius: 50%;
  background: #ddd;
  object-fit: cover;
  flex-shrink: 0;
}

.speaker__name {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  text-transform: uppercase;
  color: var(--color-line);
}

/* Footer */
.footer {
  padding-block: 2rem;
}

.footer__text {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-line);
}

/* Responsive */
@media (width <= 860px) {
  .header__inner {
    padding-block: 2rem 3rem;
  }

  .brand__logo {
    height: 3rem;
  }

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

  .hero__media {
    order: -1;
  }

  .session {
    gap: 0.8rem;
    grid-template-columns: 1fr;
  }

  .session__date br {
    display: none;
  }

  .speaker {
    min-width: 0;
  }
}