/* ============================================================
   ILLUVIA · Layout
   Container, Header (info bar + navbar + mobile menu), Footer,
   Floating WhatsApp button
   ============================================================ */

/* ── 1. CONTAINER (pembungkus konten utama) ──────────────── */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

/* Section pembungkus (padding atas-bawah konsisten) */
.section {
  padding-block: var(--space-20);
}

@media (min-width: 768px) {
  .section { padding-block: var(--space-24); }
}

.section--dark { background: var(--color-navy); color: var(--text-on-dark); }
.section--gray { background: var(--color-gray-50); }
.section--white { background: var(--color-white); }


/* ── 2. HEADER ────────────────────────────────────────────── */

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-header);
}

/* Top info bar (hidden di mobile) */
.info-bar {
  display: none;
  background: var(--color-navy);
  color: var(--color-white);
  height: var(--header-info-bar);
  font-size: 11px;
  letter-spacing: var(--ls-widest);
}

@media (min-width: 768px) {
  .info-bar { display: block; }
}

.info-bar__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.info-bar__brand {
  text-transform: uppercase;
  color: rgba(147, 197, 253, 0.7);
  font-weight: var(--fw-medium);
}

.info-bar__contact {
  display: flex;
  gap: var(--space-6);
  color: rgba(191, 219, 254, 0.7);
}

.info-bar__contact a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.info-bar__contact a:hover { color: var(--color-white); }

/* Main navbar */
.navbar {
  background: var(--color-white);
  height: var(--header-main);
  transition: box-shadow var(--transition);
}

.site-header.is-scrolled .navbar {
  box-shadow: var(--shadow-md);
}

.navbar__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.navbar__logo img {
  height: 36px;
  width: auto;
}

/* Logo fallback (jika belum ada file logo) */
.navbar__logo-text {
  font-size: 22px;
  font-weight: var(--fw-black);
  letter-spacing: -0.02em;
  color: var(--color-navy);
}

.navbar__logo-text span { color: var(--color-blue-primary); }

/* Nav links (desktop) */
.navbar__nav {
  display: none;
  align-items: center;
  gap: var(--space-8);
}

@media (min-width: 1024px) {
  .navbar__nav { display: flex; }
}

.navbar__link {
  position: relative;
  font-size: 14px;
  font-weight: var(--fw-bold);
  color: var(--color-gray-700);
  padding-block: var(--space-2);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.navbar__link:hover,
.navbar__link.is-active {
  color: var(--color-blue-primary);
}

.navbar__link.is-active::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0; right: 0;
  height: 2px;
  background: var(--color-blue-primary);
  border-radius: var(--radius-full);
}

/* CTA in navbar (desktop) */
.navbar__cta {
  display: none;
}

@media (min-width: 1024px) {
  .navbar__cta { display: inline-flex; }
}

/* Mobile menu toggle */
.navbar__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--color-navy);
}

@media (min-width: 1024px) {
  .navbar__toggle { display: none; }
}

/* Mobile menu (off-canvas) */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--color-white);
  z-index: var(--z-overlay);
  padding-top: var(--header-main);
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  overflow-y: auto;
}

.mobile-menu.is-open {
  transform: translateX(0);
}

.mobile-menu__list {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.mobile-menu__item {
  border-bottom: 1px solid var(--border-light);
}

.mobile-menu__link {
  display: block;
  padding: var(--space-4) 0;
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  color: var(--color-gray-900);
}

.mobile-menu__link:hover,
.mobile-menu__link.is-active {
  color: var(--color-blue-primary);
}

.mobile-menu__contact {
  margin-top: var(--space-6);
  padding: var(--space-6);
  background: var(--color-gray-50);
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.mobile-menu__contact a {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-gray-700);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
}

.mobile-menu__cta {
  margin: var(--space-6);
}

/* Spacer di body untuk meng-offset fixed header */
.header-spacer {
  height: var(--header-main);
}

@media (min-width: 768px) {
  .header-spacer { height: calc(var(--header-info-bar) + var(--header-main)); }
}


/* ── 3. FOOTER ────────────────────────────────────────────── */

.site-footer {
  background: var(--color-navy);
  color: var(--text-on-dark);
}

.site-footer__main {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  padding-block: var(--space-16) var(--space-10);
}

@media (min-width: 768px) {
  .site-footer__main {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .site-footer__main {
    grid-template-columns: repeat(4, 1fr);
  }
}

.footer-brand__logo {
  height: 40px;
  width: auto;
  margin-bottom: var(--space-5);
  filter: brightness(0) invert(1);
}

.footer-brand__logo-text {
  font-size: 24px;
  font-weight: var(--fw-black);
  letter-spacing: -0.02em;
  color: var(--color-white);
  margin-bottom: var(--space-5);
}

.footer-brand__logo-text span { color: var(--color-blue-muted); }

.footer-brand__desc {
  color: rgba(147, 197, 253, 0.7);
  font-size: var(--fs-sm);
  line-height: var(--lh-relaxed);
  font-weight: var(--fw-medium);
  margin-bottom: var(--space-6);
}

.footer-social {
  display: flex;
  gap: var(--space-2);
}

.footer-social__link {
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  background: rgba(30, 64, 175, 0.6);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  transition: background var(--transition);
}

.footer-social__link:hover {
  background: var(--color-blue-bright);
}

.footer-col__title {
  color: var(--color-white);
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: var(--ls-widest);
  margin-bottom: var(--space-5);
}

.footer-col__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-col__link {
  color: rgba(147, 197, 253, 0.7);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-col__link::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-blue-bright);
  transition: background var(--transition);
  flex-shrink: 0;
}

.footer-col__link:hover {
  color: var(--color-white);
}

.footer-col__link:hover::before {
  background: var(--color-blue-muted);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-contact__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  color: rgba(147, 197, 253, 0.7);
  font-size: var(--fs-sm);
  line-height: var(--lh-relaxed);
  font-weight: var(--fw-medium);
}

.footer-contact__item svg {
  color: var(--color-blue-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-contact__item strong {
  display: block;
  color: var(--color-white);
  font-weight: var(--fw-bold);
  margin-bottom: 2px;
}

.footer-contact__item a:hover { color: var(--color-white); }

/* Certifications strip */
.footer-certs {
  border-top: 1px solid rgba(30, 58, 138, 0.4);
  padding-block: var(--space-5);
}

.footer-certs__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
  justify-content: space-between;
  text-align: center;
}

@media (min-width: 768px) {
  .footer-certs__inner {
    flex-direction: row;
    text-align: left;
  }
}

.footer-certs__badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
}

.footer-cert-badge {
  border: 1px solid rgba(30, 64, 175, 0.6);
  color: var(--color-blue-muted);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius);
}

.footer-certs__note {
  color: var(--color-blue-bright);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
}

/* Bottom bar */
.footer-bottom {
  border-top: 1px solid rgba(30, 58, 138, 0.4);
  padding-block: var(--space-5);
}

.footer-bottom__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: center;
  justify-content: space-between;
}

@media (min-width: 768px) {
  .footer-bottom__inner {
    flex-direction: row;
  }
}

.footer-bottom__copy {
  color: rgba(37, 99, 235, 0.6);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
}

.footer-bottom__legal {
  display: flex;
  gap: var(--space-5);
}

.footer-bottom__legal a {
  color: rgba(37, 99, 235, 0.6);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
}

.footer-bottom__legal a:hover {
  color: var(--color-blue-muted);
}


/* ── 4. FLOATING WHATSAPP BUTTON ──────────────────────────── */

.float-wa {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-floating-cta);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: var(--color-wa-green);
  color: var(--color-white);
  border-radius: var(--radius-full);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
  transition: transform var(--transition), box-shadow var(--transition);
}

.float-wa:hover {
  background: var(--color-wa-green-hover);
  transform: scale(1.08);
  box-shadow: 0 10px 28px rgba(37, 211, 102, 0.5);
}

.float-wa::before {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: var(--radius-full);
  background: var(--color-wa-green);
  opacity: 0.4;
  z-index: -1;
  animation: pulse-wa 2s infinite;
}

@keyframes pulse-wa {
  0%   { transform: scale(1);   opacity: 0.4; }
  100% { transform: scale(1.5); opacity: 0;   }
}

.float-wa svg {
  width: 30px;
  height: 30px;
  fill: currentColor;
}