/* Varmine layout layer: 12-column content grid, section vertical rhythm, and
   responsive breakpoints. References tokens.css for max-width, gutter, rhythm,
   and the mobile breakpoint. No horizontal overflow across 320..1920px. */

/* ---------------------------------------------------------------------------
   Content grid: 12 columns, capped width, token gutters.
--------------------------------------------------------------------------- */

.grid {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gutter);
  row-gap: var(--space-6);
}

/* Default: children span the full 12 columns unless a section overrides. */
.grid > * {
  grid-column: 1 / -1;
  min-width: 0;
}

/* ---------------------------------------------------------------------------
   Section vertical rhythm
--------------------------------------------------------------------------- */

.section {
  padding-block: var(--section-rhythm);
}

.section--surface {
  background-color: var(--color-surface);
}

.section__head {
  max-width: 48rem;
  margin-bottom: var(--space-7);
}

.section__lead {
  margin-top: var(--space-4);
  color: var(--color-muted);
  font-size: var(--type-body);
}

/* ---------------------------------------------------------------------------
   Hero: full viewport (Req 2.1)
--------------------------------------------------------------------------- */

.hero {
  position: relative;
  width: 100%;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(160deg, var(--color-surface), var(--color-bg));
}

.hero__grid {
  align-content: center;
}

.hero__content {
  grid-column: 1 / -1;
  max-width: 60rem;
}

.hero__tagline {
  margin-top: var(--space-5);
  max-width: 40ch;
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  color: var(--color-muted);
}

.hero__content .btn {
  margin-top: var(--space-6);
}

/* ---------------------------------------------------------------------------
   Portfolio grid: single column at/below 768px, 2..4 columns above (Req 9.1, 9.2)
--------------------------------------------------------------------------- */

.portfolio-grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gutter);
}

/* Services + team default single column (mobile-first, Req 9.1). */
.services-list,
.team-grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gutter);
}

.about__grid,
.contact__grid {
  row-gap: var(--space-7);
}

/* ---------------------------------------------------------------------------
   Above the mobile breakpoint (Req 9.2): multi-column layouts.
--------------------------------------------------------------------------- */

@media (min-width: 769px) {
  .portfolio-grid {
    /* 2..4 columns; auto-fill keeps it within that band at typical widths. */
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .services-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .team-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .about__media {
    grid-column: 1 / 7;
  }

  .about__content {
    grid-column: 8 / -1;
    align-self: center;
  }

  .contact__details {
    grid-column: 1 / 8;
  }
}

@media (min-width: 1100px) {
  .portfolio-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------------------------------------------------------------------------
   Below the mobile breakpoint (Req 9.1): force single column everywhere.
--------------------------------------------------------------------------- */

@media (max-width: 768px) {
  .portfolio-grid,
  .services-list,
  .team-grid,
  .about__grid,
  .contact__grid {
    grid-template-columns: 1fr;
  }

  .about__media,
  .about__content,
  .contact__details {
    grid-column: 1 / -1;
  }
}