/* ==========================================================
   Kaplika Tech — layout.css
   Containers, header, heroes, sections, grids, footer
   ========================================================== */

.container {
  width: 100%;
  max-width: calc(var(--max) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid transparent;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.site-header.is-scrolled { border-color: var(--line); box-shadow: 0 4px 20px rgba(19,31,53,.06); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 84px;
}

.brand { display: inline-flex; align-items: center; flex-shrink: 0; }
.brand img { height: 52px; width: auto; }

.main-nav ul { display: flex; align-items: center; gap: .25rem; list-style: none; }
.main-nav a {
  display: block;
  padding: .6rem .9rem;
  color: var(--ink);
  font-size: var(--fs-small);
  font-weight: 500;
  text-decoration: none;
  position: relative;
}
.main-nav a::after {
  content: "";
  position: absolute; left: .9rem; right: .9rem; bottom: .3rem;
  height: 2px; background: var(--red);
  transform: scaleX(0); transform-origin: left;
  transition: transform .25s var(--ease);
}
.main-nav a:hover::after,
.main-nav a[aria-current="page"]::after { transform: scaleX(1); }
.main-nav a[aria-current="page"] { color: var(--red-dark); }
.main-nav .nav-cta { margin-left: .75rem; }
.main-nav .nav-cta a::after { display: none; }

.nav-toggle {
  display: none;
  align-items: center; justify-content: center;
  width: 48px; height: 48px;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--paper); cursor: pointer;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block; width: 20px; height: 2px; background: var(--ink);
  position: relative; transition: transform .25s var(--ease), background .2s;
}
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; }
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
.nav-open .nav-toggle span { background: transparent; }
.nav-open .nav-toggle span::before { transform: translateY(6px) rotate(45deg); }
.nav-open .nav-toggle span::after { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }
  .brand img { height: 44px; }
  .header-inner { min-height: 72px; }
  .main-nav {
    position: absolute; left: 0; right: 0; top: 100%;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    display: none;
  }
  .nav-open .main-nav { display: block; }
  .main-nav ul { flex-direction: column; align-items: stretch; padding: .5rem var(--gutter) 1.25rem; gap: 0; }
  .main-nav a { padding: .9rem 0; border-bottom: 1px solid var(--mist); font-size: 1.0625rem; }
  .main-nav a::after { display: none; }
  .main-nav .nav-cta { margin: 1rem 0 0; }
  .main-nav .nav-cta a { border: 0; text-align: center; }
}

/* ---------- Home hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--navy);
  color: var(--on-dark);
  isolation: isolate;
}
.hero-media {
  position: absolute; inset: 0; z-index: -2;
  width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(1) contrast(1.15);
  mix-blend-mode: luminosity;
  opacity: .38;
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(100deg, rgba(19,31,53,.92) 0%, rgba(27,43,71,.7) 55%, rgba(27,43,71,.35) 100%);
}
.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: end;
  padding-block: clamp(5rem, 12vw, 9rem) clamp(4rem, 8vw, 6rem);
}
.hero h1 {
  font-size: var(--fs-hero);
  font-weight: 500;
  line-height: .98;
  letter-spacing: -0.04em;
  color: #fff;
  margin-bottom: 1.5rem;
}
.hero h1 .accent { font-weight: 600; }
.hero .lead { color: var(--on-dark); max-width: 36rem; margin-bottom: 2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; }

.hero-stats { display: grid; gap: 1.5rem; }
.hero-stat { border-top: 1px solid rgba(255,255,255,.22); padding-top: .9rem; }
.hero-stat strong { display: block; font-size: 2.25rem; line-height: 1; font-weight: 600; color: #fff; letter-spacing: -0.02em; }
.hero-stat span { font-size: var(--fs-small); color: var(--on-dark-muted); }

.progress-line { display: flex; height: 4px; }
.progress-line::before { content: ""; flex: 1; background: var(--red); }
.progress-line::after { content: ""; flex: 1; background: #fff; }

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; align-items: start; }
  .hero-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  position: relative; overflow: hidden; isolation: isolate;
  background: var(--navy); color: var(--on-dark);
  padding-block: clamp(4rem, 9vw, 6.5rem) clamp(3rem, 6vw, 4.5rem);
}
.page-hero .hero-media { opacity: .28; }
.page-hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(100deg, rgba(19,31,53,.94) 10%, rgba(27,43,71,.55) 100%);
}
.page-hero h1 { color: #fff; font-weight: 500; letter-spacing: -0.035em; max-width: 14ch; }
.page-hero h1 .accent { font-weight: 600; }
.page-hero p { max-width: 40rem; color: var(--on-dark); font-size: 1.125rem; margin: 0; }
.breadcrumb { font-size: var(--fs-tiny); letter-spacing: .1em; text-transform: uppercase; color: var(--on-dark-muted); margin-bottom: 1.25rem; }
.breadcrumb a { color: var(--on-dark-muted); text-decoration: none; }
.breadcrumb a:hover { color: #fff; }

/* ---------- Sections ---------- */
.section { padding-block: var(--section); }
.section--mist { background: var(--mist); }
.section--navy { background: var(--navy); color: var(--on-dark); }
.section--navy h2, .section--navy h3 { color: #fff; }
.section--ink { background: var(--ink); color: var(--on-dark); }
.section--ink h2, .section--ink h3 { color: #fff; }

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 5vw, 4rem);
  align-items: end;
  margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
}
.section-head h2 { margin: 0; }
.section-head p { margin: 0; }
@media (max-width: 800px) { .section-head { grid-template-columns: 1fr; } }

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}
.split--top { align-items: start; }
.split--wide-left { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); }
@media (max-width: 900px) {
  .split, .split--wide-left { grid-template-columns: 1fr; }
}

.grid { display: grid; gap: clamp(1.25rem, 2.5vw, 2rem); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 1000px) { .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 900px)  { .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px)  { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-deep); color: var(--on-dark-muted); font-size: var(--fs-small); }
.footer-main {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
  gap: 2.5rem;
  padding-block: 4.5rem 3.5rem;
}
.footer-brand img { height: 64px; width: auto; margin-bottom: 1.25rem; }
.footer-brand p { max-width: 22rem; }
.site-footer h3 { color: #fff; font-size: 1rem; margin-bottom: 1rem; }
.site-footer ul { list-style: none; display: grid; gap: .55rem; }
.site-footer a { color: var(--on-dark); text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.footer-contact li span { display: block; font-size: var(--fs-tiny); color: var(--red-soft); font-weight: 600; letter-spacing: .04em; }
.footer-bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem;
  border-top: 1px solid rgba(255,255,255,.12);
  padding-block: 1.5rem 2rem;
  font-size: var(--fs-tiny);
}
@media (max-width: 900px) { .footer-main { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .footer-main { grid-template-columns: 1fr; } }