/* Component styles, grouped by section. */

/* Shared */
.eyebrow {
  font-weight: 500;
  font-size: 14px;
  text-transform: uppercase;
  color: var(--color-eyebrow);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-s, 8px);
  font-size: 16px;
  line-height: 24px;
}
.btn--primary,
.btn--outline {
  width: 240px;
  height: 48px;
  padding: 20px 8px 20px 16px;
}
.btn--primary { background: var(--color-accent); color: var(--color-white); border: 1px solid var(--color-white); }
.btn--outline { background: var(--color-white); color: var(--color-border-action); border: 1px solid var(--color-gray); }
.btn--primary,
.btn--outline { transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease; }

/* Arrow tinted via currentColor so it follows the button's text color */
.btn__arrow {
  width: 24px;
  height: 24px;
  background: currentColor;
  -webkit-mask: url("../assets/icons/arrow-right-dark.svg") center / contain no-repeat;
  mask: url("../assets/icons/arrow-right-dark.svg") center / contain no-repeat;
}

.btn--primary:hover,
.btn--primary:active { background: var(--color-dark-blue); }

.btn--outline:hover { color: var(--color-accent); border-color: var(--color-accent); }
.btn--outline:active { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-white); }

.btn--primary:focus-visible,
.btn--outline:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

.btn--ghost,
.btn--dark { height: 40px; font-size: 14px; }
.btn--ghost { padding-inline: 8px; }
.btn--dark { padding-inline: 16px; font-weight: 500; background: var(--color-nav-btn-bg); color: var(--color-nav-btn-fg); }

/* Nav */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding-inline: 40px;
  font-size: 14px;
  color: var(--color-nav-fg);
}
.nav__logo img { transition: filter 0.3s ease; }
:root[data-theme="dark"] .nav__logo img,
.nav--on-dark .nav__logo img { filter: brightness(0) invert(1); }

/* Over a dark section the nav reverses: white text and logo, light button */
.nav { transition: color 0.3s ease; }
.nav--on-dark {
  --color-nav-fg: var(--color-white);
  --color-nav-btn-bg: var(--color-white);
  --color-nav-btn-fg: var(--color-dark-blue);
}
.nav__links a,
.btn--ghost {
  text-underline-offset: 3px;
}
.nav__links a:hover,
.nav__links a:active,
.btn--ghost:hover,
.btn--ghost:active {
  text-decoration: underline;
}

.btn--dark { transition: background-color 0.3s ease, color 0.3s ease; }
.btn--dark:hover,
.btn--dark:active { background: var(--color-accent); color: var(--color-white); }
.btn--dark:active { box-shadow: 0 0 0 1px var(--color-white); }

.nav a:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

.nav__logo { display: flex; align-items: center; gap: 8px; }
.nav__links {
  position: absolute;
  left: 50%;
  translate: -50% 0;
  display: flex;
  gap: 32px;
}
.nav__actions { display: flex; align-items: center; gap: 24px; }

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding-top: 130px;
  padding-bottom: 65px;    /* hero ends at 1368 px, where the next section starts (Figma) */
}
.hero__arcs {
  position: absolute;
  top: 0;
  width: 646px;
  height: 912px;
  background: var(--color-arc);
  opacity: var(--arc-opacity);
  pointer-events: none;
}
.hero__arcs--left { -webkit-mask: url("../assets/images/hero-arcs-left.svg") center / 100% 100% no-repeat; mask: url("../assets/images/hero-arcs-left.svg") center / 100% 100% no-repeat; }
.hero__arcs--right { -webkit-mask: url("../assets/images/hero-arcs-right.svg") center / 100% 100% no-repeat; mask: url("../assets/images/hero-arcs-right.svg") center / 100% 100% no-repeat; }
.hero__arcs--left { left: -374px; }
.hero__arcs--right { left: calc(50% + 439px); }

.hero__content {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: min(712px, 100%);
  margin-inline: auto;
  text-align: center;
}
.hero__title {
  margin-top: 16px;
  font: 400 56px/56px var(--font-serif);
}
/* Masked text: the inner span slides up through its parent during the intro reveal */
.line {
  display: block;
  overflow: hidden;
  padding-bottom: 0.12em;
  margin-bottom: -0.12em;
}
.line > span { display: block; }
.hero__lead { max-width: 600px; margin-top: 24px; }
.hero__ctas { display: flex; gap: 24px; margin-top: 48px; }
.hero__note { margin-top: 24px; font-size: 12px; opacity: 0.56; }

.hero > .container { position: relative; margin-top: 57px; }
.hero__image {
  width: 100%;
  height: 712px;
  object-fit: cover;
  border-radius: 24px;
}



/* Theme toggle (fixed, bottom-left) */
.theme-toggle {
  position: fixed;
  left: 40px;
  bottom: 52px;
  z-index: 10;
  display: flex;
  gap: 4px;
  padding: 4px;
  background: var(--color-white);
  border-radius: 8px;
  box-shadow: 0 0 6px rgba(0, 0, 0, 0.08);
}
.theme-toggle__btn {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-xs);
  background: var(--color-white);
  color: var(--color-dark-blue);
  transition: background-color 0.15s ease, color 0.15s ease;
}
.theme-toggle__btn:hover { background: var(--color-gray); }
.theme-toggle__btn[aria-pressed="true"] { background: var(--color-dark-blue); color: var(--color-white); }
.theme-toggle__btn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.theme-toggle__icon {
  width: 12px;
  height: 12px;
  background: currentColor;
  -webkit-mask: var(--icon) center / contain no-repeat;
  mask: var(--icon) center / contain no-repeat;
}
.theme-toggle__icon--sun { --icon: url("../assets/icons/sun.svg"); }
.theme-toggle__icon--moon { --icon: url("../assets/icons/moon.svg"); }