/* =========================================================
   PT Mitra Sinergi Terpadu — Company Profile
   Static rebuild — layout faithful to original (Elementor) build
   ========================================================= */

:root {
  --c-primary: #096CBB;
  --c-primary-dark: #075a9c;
  --c-accent: #61CE70;
  --c-ink: #111111;
  --c-body: #4a4a4a;
  --c-muted: #7A7A7A;
  --c-line: #e6ebf1;
  --c-bg: #ffffff;
  --c-bg-soft: #f5f8fc;
  --c-bg-dark: #0b2337;

  --ff-head: "Inter", system-ui, -apple-system, Segoe UI, sans-serif;
  --ff-body: "Roboto", system-ui, -apple-system, Segoe UI, sans-serif;

  --container: 1140px;
  --radius: 12px;
  --shadow: 0 10px 30px rgba(9, 108, 187, .10);
  --shadow-lg: 0 18px 50px rgba(9, 108, 187, .16);
  --header-h: 78px;
  --transition: .3s ease;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  margin: 0; font-family: var(--ff-body); color: var(--c-body);
  background: var(--c-bg); line-height: 1.7; overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { font-family: var(--ff-head); color: var(--c-ink); line-height: 1.2; margin: 0 0 .5em; font-weight: 700; }
p { margin: 0 0 1rem; }
a { color: var(--c-primary); text-decoration: none; transition: color var(--transition); }
img { max-width: 100%; height: auto; display: block; }
ul { margin: 0; padding: 0; list-style: none; }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 20px; }
.section { padding: 80px 0; }
.section--soft { background: var(--c-bg-soft); }
.section__head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.eyebrow {
  display: inline-block; font-family: var(--ff-head); font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase; font-size: .76rem;
  color: var(--c-primary); margin-bottom: 12px;
}
.section__head h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); }
.section__head p { color: var(--c-muted); font-size: 1.05rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .55em;
  font-family: var(--ff-head); font-weight: 600; font-size: .95rem;
  padding: 13px 30px; border-radius: 50px; cursor: pointer;
  border: 2px solid transparent; transition: all var(--transition); white-space: nowrap;
}
.btn--primary { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }
.btn--primary:hover { background: var(--c-primary-dark); border-color: var(--c-primary-dark); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow); }
.btn--ghost { background: transparent; color: var(--c-primary); border-color: var(--c-primary); }
.btn--ghost:hover { background: var(--c-primary); color: #fff; }
.btn--sm { padding: 10px 22px; font-size: .85rem; }

/* ---------- Header ---------- */
.header {
  position: fixed; inset: 0 0 auto 0; height: var(--header-h); z-index: 1000;
  background: rgba(255,255,255,.9); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--c-line); transition: box-shadow var(--transition);
}
.header.scrolled { box-shadow: 0 4px 20px rgba(0,0,0,.07); }
.header__inner { display: flex; align-items: center; justify-content: space-between; height: 100%; gap: 20px; }
.brand img { height: 42px; width: auto; }
.nav { display: flex; align-items: center; gap: 2px; }
.nav > a, .has-dropdown > a { font-family: var(--ff-head); font-weight: 500; font-size: .95rem; color: var(--c-ink); padding: 9px 15px; border-radius: 8px; display: inline-block; }
.nav > a:hover, .has-dropdown > a:hover { color: var(--c-primary); background: var(--c-bg-soft); }
.has-dropdown { position: relative; }
.dropdown {
  position: absolute; top: 100%; left: 0; min-width: 236px;
  background: #fff; border: 1px solid var(--c-line); border-radius: 10px;
  box-shadow: var(--shadow); padding: 8px; opacity: 0; visibility: hidden;
  transform: translateY(10px); transition: all var(--transition);
}
.has-dropdown:hover .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown a { display: block; padding: 10px 14px; font-size: .9rem; border-radius: 6px; color: var(--c-body); }
.dropdown a:hover { background: var(--c-bg-soft); color: var(--c-primary); }
.header__actions { display: flex; align-items: center; gap: 12px; }
.burger { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.burger span { width: 24px; height: 2px; background: var(--c-ink); border-radius: 2px; transition: var(--transition); }
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero (light banner + black heading, faithful to original) ---------- */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center; justify-content: center;
  text-align: center; padding: var(--header-h) 20px 60px;
  background: #eef3f8 url("../img/Banner-Headline-MST-Web.webp") center/cover no-repeat;
}
.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(255,255,255,.35) 0%, rgba(255,255,255,.15) 45%, rgba(255,255,255,.55) 100%); }
.hero__inner { position: relative; max-width: 860px; }
.hero h1 {
  color: #000; font-size: clamp(2.3rem, 6.4vw, 4.4rem); font-weight: 800;
  letter-spacing: -.02em; margin-bottom: .35em; text-shadow: 0 2px 20px rgba(255,255,255,.6);
}
.hero p { font-size: clamp(1.05rem, 2vw, 1.35rem); color: #1a1a1a; max-width: 640px; margin: 0 auto 2rem; font-weight: 500; }

/* ---------- Services image accordion (signature element) ---------- */
.accordion {
  display: flex; gap: 12px; padding: 0 5vw; height: 540px; overflow: hidden;
}
.acc-item {
  position: relative; flex: 1; border-radius: var(--radius); overflow: hidden;
  cursor: pointer; transition: flex .5s cubic-bezier(.25,.8,.25,1);
  min-width: 60px;
}
.acc-item img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.acc-item::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(9,45,75,.15) 0%, rgba(9,45,75,.35) 45%, rgba(6,32,55,.9) 100%);
  transition: background var(--transition);
}
.acc-item__body { position: absolute; inset: auto 0 0 0; padding: 26px 24px; z-index: 2; color: #fff; }
.acc-item__body h3 { color: #fff; font-size: 1.2rem; margin: 0 0 4px; text-shadow: 0 2px 8px rgba(0,0,0,.4); }
.acc-item__link {
  display: inline-flex; align-items: center; gap: 6px; color: #fff; font-family: var(--ff-head);
  font-weight: 600; font-size: .88rem; opacity: 0; transform: translateY(10px);
  transition: all var(--transition); pointer-events: none;
}
.acc-item__link::after { content: "→"; }
/* expanded state (hover on desktop, .active on touch) */
.acc-item:hover, .acc-item.active { flex: 3.4; }
.acc-item:hover img, .acc-item.active img { transform: scale(1.05); }
.acc-item:hover::after, .acc-item.active::after { background: linear-gradient(180deg, rgba(9,108,187,.15) 0%, rgba(9,45,75,.4) 50%, rgba(6,32,55,.85) 100%); }
.acc-item:hover .acc-item__link, .acc-item.active .acc-item__link { opacity: 1; transform: none; pointer-events: auto; }

/* ---------- Profile / About ---------- */
.about { display: grid; grid-template-columns: .85fr 1.15fr; gap: 56px; align-items: center; }
.about__media {
  background: linear-gradient(135deg, var(--c-bg-soft), #fff); border: 1px solid var(--c-line);
  border-radius: var(--radius); padding: 48px 40px; box-shadow: var(--shadow); text-align: center;
}
.about__media img { margin: 0 auto; max-width: 320px; }
.about__content h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); }
.about__content .lead { font-size: 1.08rem; color: var(--c-ink); }
.about__content p { text-align: justify; }
.pillars { display: flex; gap: 10px; flex-wrap: wrap; margin: 22px 0; }
.pill { display: inline-flex; align-items: center; background: var(--c-bg-soft); border: 1px solid var(--c-line); color: var(--c-primary); font-family: var(--ff-head); font-weight: 600; font-size: .85rem; padding: 8px 18px; border-radius: 50px; }

/* ---------- Portfolio (hover banner cards) ---------- */
.portfolio__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.project { position: relative; border-radius: var(--radius); overflow: hidden; height: 300px; box-shadow: var(--shadow); }
.project img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.project:hover img { transform: scale(1.08); }
.project__overlay {
  position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end;
  padding: 24px; color: #fff;
  background: linear-gradient(to top, rgba(6,32,55,.92) 0%, rgba(6,32,55,.25) 55%, transparent 80%);
  transition: background var(--transition);
}
.project:hover .project__overlay { background: linear-gradient(to top, rgba(9,108,187,.92) 0%, rgba(9,108,187,.35) 60%, rgba(9,108,187,.1) 100%); }
.project__overlay span { font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--c-accent); font-family: var(--ff-head); font-weight: 600; }
.project:hover .project__overlay span { color: #fff; }
.project__overlay h3 { color: #fff; font-size: 1.14rem; margin: 5px 0 0; }
.portfolio__more { text-align: center; margin-top: 44px; }

/* ---------- Mitra Kami (partner logo strip) ---------- */
.partners__strip { text-align: center; }
.partners__strip img { margin: 0 auto; max-width: 900px; width: 100%; }
.partners__logos { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 50px; }
.partners__logos img { height: 60px; width: auto; object-fit: contain; filter: grayscale(1); opacity: .6; transition: all var(--transition); }
.partners__logos img:hover { filter: grayscale(0); opacity: 1; }

/* ---------- Contact / Footer ---------- */
.contact { display: grid; grid-template-columns: 1fr 1fr; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); }
.contact__info { background: var(--c-bg-dark); color: #fff; padding: 48px; }
.contact__info h2 { color: #fff; font-size: 1.9rem; }
.contact__info > p { color: rgba(255,255,255,.75); }
.contact__list { margin-top: 26px; display: grid; gap: 22px; }
.contact__item { display: flex; gap: 16px; align-items: flex-start; }
.contact__item .ico { flex: 0 0 42px; height: 42px; border-radius: 10px; background: rgba(255,255,255,.08); display: grid; place-items: center; color: var(--c-accent); }
.contact__item .ico svg { width: 20px; height: 20px; }
.contact__item b { display: block; font-family: var(--ff-head); color: #fff; font-size: .95rem; margin-bottom: 2px; }
.contact__item a, .contact__item span { color: rgba(255,255,255,.75); font-size: .92rem; }
.contact__item a:hover { color: var(--c-accent); }
.contact__map { min-height: 460px; }
.contact__map iframe { width: 100%; height: 100%; border: 0; display: block; }

.footer { background: #071a29; color: rgba(255,255,255,.6); padding: 28px 0; font-size: .88rem; }
.footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer a { color: rgba(255,255,255,.75); }
.footer a:hover { color: #fff; }
.footer__nav { display: flex; gap: 22px; flex-wrap: wrap; }

/* ---------- WhatsApp float ---------- */
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 900;
  width: 58px; height: 58px; border-radius: 50%; background: #25D366;
  display: grid; place-items: center; box-shadow: 0 8px 24px rgba(37,211,102,.5);
  transition: transform var(--transition); animation: wa-pulse 2.4s infinite;
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 32px; height: 32px; fill: #fff; }
@keyframes wa-pulse { 0%,100%{ box-shadow:0 8px 24px rgba(37,211,102,.5);} 50%{ box-shadow:0 8px 24px rgba(37,211,102,.5),0 0 0 12px rgba(37,211,102,0);} }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 992px) {
  .about { grid-template-columns: 1fr; gap: 36px; }
  .about__media { max-width: 480px; margin: 0 auto; }
  .portfolio__grid { grid-template-columns: repeat(2, 1fr); }
  .contact { grid-template-columns: 1fr; }
  .contact__map { min-height: 320px; order: -1; }
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0; flex-direction: column; align-items: stretch;
    background: #fff; border-bottom: 1px solid var(--c-line); padding: 12px; gap: 2px;
    box-shadow: 0 12px 24px rgba(0,0,0,.08);
    transform: translateY(-140%); transition: transform var(--transition);
    max-height: calc(100vh - var(--header-h)); overflow-y: auto;
  }
  .nav.open { transform: translateY(0); }
  .nav > a, .has-dropdown > a { padding: 12px 14px; }
  .dropdown { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; border-left: 2px solid var(--c-line); border-radius: 0; margin-left: 12px; padding: 0; }
  .burger { display: flex; }
  .header__actions .btn { display: none; }
  /* accordion becomes a vertical stack of tall panels on mobile */
  .accordion { flex-direction: column; height: auto; padding: 0 20px; gap: 12px; }
  .acc-item { flex: none; height: 180px; }
  .acc-item.active, .acc-item:hover { flex: none; height: 260px; }
  .acc-item__link { opacity: 1; transform: none; pointer-events: auto; }
}
@media (max-width: 560px) {
  .portfolio__grid { grid-template-columns: 1fr; }
  .partners__logos { gap: 30px; }
  .contact__info { padding: 34px 24px; }
  .footer__inner { flex-direction: column; text-align: center; }
}