/* ==========================================================
   BASE — reset and shared helpers used by every section.
   ========================================================== */

/* --- Simple reset --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;                   /* smooth scroll for menu links */
  scroll-padding-top: var(--navbar-height);  /* sections don't hide under the fixed navbar */
}

body {
  font-family: var(--font-main);
  font-size: var(--text-base);
  background-color: var(--color-bg);
  color: var(--color-ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

ul,
ol {
  list-style: none;
}

/* --- Keyboard focus: always visible --- */
:focus-visible {
  outline: 3px solid var(--color-secondary);
  outline-offset: 3px;
  border-radius: 2px;
}

/* --- Centered content wrapper --- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Generic section spacing + title --- */
.section {
  padding: 112px 0;
}

.section__title {
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--color-ink);
  margin-bottom: 48px;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 13px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-decoration: none;
  border: 2px solid var(--color-primary);
  transition: background-color var(--transition), color var(--transition), border-color var(--transition);
}

/* Filled button */
.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}
.btn--primary:hover {
  background-color: var(--color-ink);
  border-color: var(--color-ink);
}

/* Outline button */
.btn--outline {
  background-color: transparent;
  color: var(--color-primary);
}
.btn--outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* --- Respect users who turn off animations --- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    transition: none !important;
  }
}

/* --- Smaller spacing on phones --- */
@media (max-width: 768px) {
  .section {
    padding: 72px 0;
  }
  .section__title {
    margin-bottom: 32px;
  }
}