@import url("tokens.css");

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--pri-font);
  color: var(--pri-text);
  background: var(--pri-white);
  line-height: 1.5;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

.tpl-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--pri-border);
  backdrop-filter: blur(10px);
}

.tpl-header-inner {
  width: min(var(--pri-max), 100%);
  margin: 0 auto;
  padding: 0.7rem 1.1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 140px;
}

.logo-img {
  width: auto;
  height: 42px;
  max-width: min(148px, 28vw);
  object-fit: contain;
  flex-shrink: 0;
}

.logo-text {
  min-width: 0;
}

@media (max-width: 520px) {
  .logo-text span { display: none; }
}

.logo strong {
  display: block;
  color: var(--pri-navy);
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  line-height: 1.1;
}

.logo span {
  display: block;
  font-size: 0.58rem;
  color: var(--pri-muted);
  letter-spacing: 0.04em;
}

.tpl-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem 0.85rem;
  justify-content: center;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--pri-muted);
}

.tpl-nav a:hover,
.tpl-nav a.active {
  color: var(--pri-action);
}

.tpl-nav a.active {
  text-decoration: underline;
  text-underline-offset: 6px;
  text-decoration-thickness: 2px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.lang {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--pri-muted);
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  min-height: 44px;
  padding: 0.55rem 1.15rem;
  border-radius: var(--pri-radius-pill);
  border: 1px solid transparent;
  font-family: inherit;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.15s ease;
}

.btn:active { transform: translateY(1px); }
.btn-navy {
  background: var(--pri-navy);
  color: #fff;
}
.btn-navy:hover { background: var(--pri-navy-deep); }
.btn-action {
  background: var(--pri-action);
  color: #fff;
}
.btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.65);
  color: #fff;
}
.btn-outline-dark {
  background: #fff;
  border-color: var(--pri-border);
  color: var(--pri-navy);
}

.section {
  padding: clamp(2.4rem, 5vw, 3.8rem) 1.1rem;
}

.section-inner {
  width: min(var(--pri-max), 100%);
  margin: 0 auto;
}

.section h2 {
  margin: 0 0 0.4rem;
  color: var(--pri-navy);
  font-size: clamp(1.55rem, 3vw, 2.15rem);
  line-height: 1.2;
}

.section .sub {
  margin: 0 0 1.4rem;
  color: var(--pri-action-soft);
  font-weight: 700;
  font-size: 1.05rem;
}

.section .lede {
  margin: 0 0 1.5rem;
  color: var(--pri-muted);
  max-width: 56ch;
}

/* Hero — match Solutions / What-is-PRI split */
.hero {
  background: linear-gradient(180deg, #fff 0%, var(--pri-sky-2) 100%);
  padding: clamp(2rem, 4vw, 3rem) 1.1rem 2.5rem;
}

.hero-grid {
  width: min(var(--pri-max), 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 1.5rem;
  align-items: center;
}

.hero h1 {
  margin: 0 0 0.35rem;
  color: var(--pri-navy);
  font-size: clamp(2.1rem, 4.5vw, 3.2rem);
  line-height: 1.1;
}

.hero .thai-sub {
  margin: 0 0 0.9rem;
  color: var(--pri-action);
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  font-weight: 700;
}

.hero p {
  margin: 0 0 1.2rem;
  color: var(--pri-muted);
  max-width: 42ch;
}

.pillar-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
}

.pillar-row li {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--pri-border);
  border-radius: var(--pri-radius-pill);
  background: #fff;
  color: var(--pri-navy);
  font-size: 0.82rem;
  font-weight: 600;
}

.hero-visual {
  border-radius: var(--pri-radius);
  overflow: hidden;
  box-shadow: var(--pri-shadow);
  border: 1px solid var(--pri-border);
  background: #fff;
}

.hero-visual img {
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
  object-position: center top;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.card {
  background: #fff;
  border: 1px solid var(--pri-border);
  border-radius: var(--pri-radius);
  box-shadow: var(--pri-shadow-sm);
  padding: 1.1rem 1.05rem 1.15rem;
}

.card .num {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--pri-navy);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 0.7rem;
}

.card h3 {
  margin: 0 0 0.4rem;
  color: var(--pri-navy);
  font-size: 1.02rem;
}

.card p {
  margin: 0;
  color: var(--pri-muted);
  font-size: 0.92rem;
}

.card.accent-top {
  border-top: 3px solid var(--pri-action);
}

.screen-frame {
  border: 1px solid var(--pri-border);
  border-radius: var(--pri-radius);
  overflow: hidden;
  box-shadow: var(--pri-shadow);
  background: #fff;
}

.screen-frame img {
  width: 100%;
  height: auto;
  display: block;
}

.screen-caption {
  margin: 0.65rem 0 0;
  color: var(--pri-muted);
  font-size: 0.9rem;
}

.split-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.soft-band {
  background: var(--pri-sky);
}

.navy-cta {
  background: linear-gradient(110deg, var(--pri-navy-deep), var(--pri-navy) 55%, #0b2f6b);
  color: #fff;
  padding: 2rem 1.1rem;
}

.navy-cta .section-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}

.navy-cta h2 {
  color: #fff;
  margin: 0 0 0.35rem;
  font-size: clamp(1.2rem, 2.4vw, 1.55rem);
}

.navy-cta p {
  margin: 0;
  opacity: 0.9;
  max-width: 48ch;
}

.navy-cta .actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.footer {
  background: var(--pri-navy-deep);
  color: rgba(255, 255, 255, 0.82);
  padding: 1.3rem 1.1rem 1.6rem;
  font-size: 0.88rem;
}

.footer .section-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  justify-content: space-between;
  align-items: center;
}

.footer a { text-decoration: underline; text-underline-offset: 2px; }

.mobile-nav-btn {
  display: none;
  min-width: 44px;
  min-height: 44px;
  border: 1px solid var(--pri-border);
  background: #fff;
  border-radius: 8px;
  cursor: pointer;
}

@media (max-width: 980px) {
  .tpl-nav { display: none; }
  .tpl-nav.open {
    display: flex;
    position: absolute;
    left: 0; right: 0; top: 100%;
    background: #fff;
    border-bottom: 1px solid var(--pri-border);
    flex-direction: column;
    padding: 0.75rem 1rem 1rem;
    gap: 0.65rem;
  }
  .mobile-nav-btn { display: inline-flex; align-items: center; justify-content: center; }
  .hero-grid,
  .card-grid,
  .split-2 { grid-template-columns: 1fr; }
  .lang { display: none; }
}

@media (max-width: 520px) {
  .header-right .btn-navy span.hide-sm { display: none; }
}