/* ============ PATSI.ID — Design System ============ */
:root {
  --navy: #062B67;
  --blue: #0B4EA2;
  --blue-light: #1689E8;
  --red: #E51B23;
  --white: #FFFFFF;
  --background: #F6F8FB;
  --text: #14213D;
  --muted: #667085;
  --border: #E4EAF1;
  --header-h: 96px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }

body {
  font-family: 'Inter', Arial, Helvetica, sans-serif;
  background: var(--background);
  color: var(--text);
  line-height: 1.7;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

.container { width: min(1200px, calc(100% - 40px)); margin-inline: auto; }

/* ---------- Typography ---------- */
.overline {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--blue-light);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.9rem;
}
.overline::before { content: ""; width: 34px; height: 1px; background: var(--red); }
.overline-light { color: #7FB8F5; }

.section-title {
  font-size: clamp(2rem, 4.6vw, 3.5rem);
  font-weight: 900;
  letter-spacing: -0.045em;
  line-height: 1.05;
  color: var(--navy);
}

.lead { font-size: 1.15rem; line-height: 1.8; color: var(--text); font-weight: 400; }
.body-text { color: var(--muted); margin-top: 1.25rem; }

.section { padding: clamp(4.5rem, 9vw, 8rem) 0; }
.section-head { max-width: 640px; margin-bottom: 3.5rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.6rem;
  font-family: inherit; font-weight: 600; font-size: 0.95rem;
  padding: 1rem 2.1rem; border-radius: 999px; border: 1px solid transparent;
  cursor: pointer; position: relative;
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out), background-color 0.35s, color 0.35s, border-color 0.35s;
}
.btn::after {
  content: ""; position: absolute; left: 22px; right: 22px; bottom: 7px; height: 2px;
  background: var(--red); transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s var(--ease-out); border-radius: 2px;
}
.btn:hover::after { transform: scaleX(1); }
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--blue); transform: translateY(-2px); box-shadow: 0 14px 30px rgba(6, 43, 103, 0.25); }
.btn-outline { border-color: var(--navy); color: var(--navy); background: transparent; }
.btn-outline:hover { background: var(--navy); color: #fff; transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--navy); }
.btn-light:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(0, 0, 0, 0.28); }
.btn-sm { padding: 0.7rem 1.5rem; font-size: 0.88rem; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: 0.6; pointer-events: none; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-weight: 600; color: var(--blue); margin-top: 1.75rem; position: relative;
  transition: gap 0.3s var(--ease-out), color 0.3s;
}
.link-arrow:hover { gap: 0.9rem; color: var(--navy); }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background-color 0.35s, box-shadow 0.35s, border-color 0.35s, backdrop-filter 0.35s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
  box-shadow: 0 6px 24px rgba(6, 43, 103, 0.06);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 2rem; }
.brand img { height: 72px; width: auto; }
.main-nav { display: flex; align-items: center; gap: 2.4rem; }
.main-nav a:not(.btn) {
  font-size: 0.82rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--muted); position: relative; padding: 0.4rem 0;
  transition: color 0.3s;
}
.main-nav a:not(.btn)::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 2px;
  background: var(--red); transform: scaleX(0); transform-origin: left;
  transition: transform 0.35s var(--ease-out);
}
.main-nav a:not(.btn):hover, .main-nav a:not(.btn).active { color: var(--navy); }
.main-nav a:not(.btn):hover::after, .main-nav a:not(.btn).active::after { transform: scaleX(1); }
.header-actions { display: flex; align-items: center; gap: 1rem; }
.nav-cta-mobile { display: none; }

.nav-toggle { display: none; background: none; border: 0; width: 44px; height: 44px; cursor: pointer; position: relative; z-index: 110; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--navy); margin: 5px auto; transition: transform 0.35s var(--ease-out), opacity 0.3s; }
body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  padding: calc(var(--header-h) + 3rem) 0 4rem; overflow: hidden; background: var(--white);
}
.hero-grid-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(11, 78, 162, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(11, 78, 162, 0.05) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 90% 80% at 60% 30%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 60% 30%, black 30%, transparent 75%);
}
.hero-inner {
  position: relative; display: grid; grid-template-columns: 1.08fr 0.92fr;
  gap: clamp(2.5rem, 6vw, 5rem); align-items: center;
}
.hero-title {
  font-size: clamp(2.6rem, 6.6vw, 5.4rem);
  font-weight: 900; letter-spacing: -0.05em; line-height: 1.02; color: var(--navy);
  margin-bottom: 1.75rem;
}
.hero-title .line, .page-title .line { display: block; overflow: hidden; padding-bottom: 0.1em; margin-bottom: -0.1em; }
.hero-title .line > span, .page-title .line > span { display: inline-block; will-change: transform; }
html.js:not(.no-motion) .hero-title .line > span,
html.js:not(.no-motion) .page-title .line > span { transform: translateY(115%); }
.hero-title em { font-style: normal; color: var(--blue-light); }
.hero-title .outline, .page-title .outline { color: transparent; -webkit-text-stroke: 2px var(--navy); }
.hero-title .dot, .page-title .dot { font-style: normal; color: var(--red); }
.hero-sub { max-width: 520px; color: var(--muted); font-size: 1.06rem; font-weight: 300; line-height: 1.8; margin-bottom: 2.5rem; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
html.js:not(.no-motion) .hero-fade { opacity: 0; transform: translateY(24px); }

.hero-visual { position: relative; }
.hero-frame {
  position: relative; border-radius: 8px; overflow: hidden;
  border: 1px solid var(--border); aspect-ratio: 4 / 4.6;
  box-shadow: 0 30px 60px rgba(6, 43, 103, 0.14);
}
.hero-frame img { width: 100%; height: 100%; object-fit: cover; }
.hero-frame-offset {
  position: absolute; inset: -18px 18px 18px -18px;
  border: 1px solid rgba(11, 78, 162, 0.35); border-radius: 8px; z-index: -1;
}
.hero-logo-card {
  position: absolute; left: -34px; bottom: 42px;
  background: #fff; border: 1px solid var(--border); border-radius: 8px;
  padding: 1.1rem 1.4rem; box-shadow: 0 20px 45px rgba(6, 43, 103, 0.16);
  animation: floaty 6s ease-in-out infinite;
}
.hero-logo-card img { height: 52px; width: auto; }
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

.hero-scrollhint { position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%); }
.hero-scrollhint span { display: block; width: 1px; height: 52px; background: var(--navy); opacity: 0.35; position: relative; overflow: hidden; }
.hero-scrollhint span::after { content: ""; position: absolute; inset: 0; background: var(--red); animation: scrolldrop 2.2s var(--ease-out) infinite; }
@keyframes scrolldrop { 0% { transform: translateY(-100%); } 60%, 100% { transform: translateY(100%); } }

/* ---------- Members marquee ---------- */
.members-strip { padding: clamp(4rem, 8vw, 6.5rem) 0 0; }
.strip-head { margin-bottom: 3rem; }
.strip-title { font-size: clamp(1.4rem, 2.6vw, 2rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1.25; color: var(--navy); max-width: 720px; }
.marquee {
  display: flex; overflow: hidden; background: #fff;
  border-block: 1px solid var(--border); padding-block: 2.4rem;
  mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
}
.marquee-track {
  display: flex; align-items: center; gap: 5rem; padding-right: 5rem;
  width: max-content; flex-shrink: 0; animation: marquee 70s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-100%); } }
.member-item img {
  height: 46px; width: auto; max-width: 160px; object-fit: contain;
  opacity: 0.85; transition: opacity 0.3s, transform 0.3s var(--ease-out);
}
.member-item img:hover { opacity: 1; transform: translateY(-3px); }
.member-item--dark { background: var(--navy); border-radius: 6px; padding: 0.55rem 1.1rem; }
.member-item--dark img { opacity: 1; height: 30px; }

/* ---------- Split layout ---------- */
.split { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(2.5rem, 6vw, 5.5rem); align-items: start; }
.split-wide { align-items: center; }
.about-short { background: var(--background); }
.split-left { position: sticky; top: calc(var(--header-h) + 2rem); }

/* ---------- Blueprint cards ---------- */
.blueprint-grid {
  display: grid; border-top: 1px solid var(--border); border-left: 1px solid var(--border);
}
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.bp-card {
  border-right: 1px solid var(--border); border-bottom: 1px solid var(--border);
  background: var(--white); padding: 2.6rem 2.1rem; position: relative;
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out), background-color 0.4s;
}
.bp-card:hover { transform: translateY(-5px); box-shadow: 0 16px 40px rgba(6, 43, 103, 0.1); z-index: 2; }
.bp-num { font-size: 0.8rem; font-weight: 800; letter-spacing: 0.2em; color: var(--blue-light); margin-bottom: 1.6rem; }
.bp-icon { width: 34px; height: 34px; color: var(--navy); margin-bottom: 1.4rem; }
.bp-card h3 { font-size: 1.12rem; font-weight: 800; letter-spacing: -0.02em; color: var(--navy); margin-bottom: 0.8rem; }
.bp-card p { font-size: 0.94rem; color: var(--muted); line-height: 1.75; }
.bp-card::before {
  content: ""; position: absolute; top: -1px; left: 0; width: 100%; height: 2px;
  background: var(--red); transform: scaleX(0); transform-origin: left;
  transition: transform 0.45s var(--ease-out);
}
.bp-card:hover::before { transform: scaleX(1); }

/* ---------- Navy sections ---------- */
.section-navy { position: relative; background: var(--navy); color: #fff; overflow: hidden; }
.navy-grid-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 80% 90% at 50% 50%, black 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 90% at 50% 50%, black 20%, transparent 75%);
}
.navy-inner { position: relative; max-width: 720px; }
.navy-title { font-size: clamp(2rem, 4.6vw, 3.5rem); font-weight: 900; letter-spacing: -0.045em; line-height: 1.05; margin-bottom: 1.5rem; }
.navy-text { color: rgba(255, 255, 255, 0.72); font-weight: 300; font-size: 1.08rem; line-height: 1.8; margin-bottom: 2.5rem; max-width: 600px; }

/* ---------- Page hero (subpages) ---------- */
.page-hero {
  position: relative; background: var(--white); overflow: hidden;
  padding: calc(var(--header-h) + 5rem) 0 clamp(3.5rem, 7vw, 5.5rem);
  border-bottom: 1px solid var(--border);
}
.page-title {
  font-size: clamp(2.8rem, 7vw, 5.5rem); font-weight: 900;
  letter-spacing: -0.05em; line-height: 1.02; color: var(--navy); margin-bottom: 1.5rem;
}
.page-sub { max-width: 560px; color: var(--muted); font-size: 1.1rem; font-weight: 300; line-height: 1.8; }

/* ---------- Framed image ---------- */
.framed-img {
  margin-top: 2.5rem; border-radius: 8px; overflow: hidden;
  border: 1px solid var(--border); box-shadow: 0 24px 50px rgba(6, 43, 103, 0.12);
  aspect-ratio: 4 / 3;
}
.framed-img img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Prose ---------- */
.prose p { color: var(--muted); margin-bottom: 1.4rem; line-height: 1.85; }
.prose p.lead { color: var(--text); }

/* ---------- Vision ---------- */
.vision-quote {
  font-size: clamp(1.5rem, 3.2vw, 2.4rem); font-weight: 700;
  letter-spacing: -0.03em; line-height: 1.35; max-width: 900px;
  border-left: 3px solid var(--red); padding-left: 2rem;
}

/* ---------- Misi / Steps list ---------- */
.misi-list { border-top: 1px solid var(--border); }
.misi-item {
  display: grid; grid-template-columns: 110px 1fr; gap: 2rem; align-items: baseline;
  padding: 2.4rem 0; border-bottom: 1px solid var(--border);
  transition: padding-left 0.4s var(--ease-out);
}
.misi-item:hover { padding-left: 1rem; }
.misi-num {
  font-size: clamp(2rem, 4vw, 3rem); font-weight: 900; letter-spacing: -0.04em;
  color: transparent; -webkit-text-stroke: 1.5px var(--blue-light); line-height: 1;
}
.misi-item h3 { font-size: 1.25rem; font-weight: 800; letter-spacing: -0.02em; color: var(--navy); margin-bottom: 0.5rem; }
.misi-item p:not(.misi-num) { color: var(--muted); max-width: 620px; }
.steps-cta { margin-top: 3rem; }

/* ---------- Note box ---------- */
.note-box {
  margin-top: 2rem; background: #fff; border: 1px solid var(--border);
  border-left: 3px solid var(--red); border-radius: 6px; padding: 1.4rem 1.6rem;
}
.note-box p { font-size: 0.92rem; color: var(--muted); margin: 0; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(2.5rem, 6vw, 5rem); align-items: start; }
.contact-info { display: grid; gap: 1.25rem; }
.info-card {
  background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 1.9rem 2rem;
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out);
}
.info-card:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(6, 43, 103, 0.08); }
.info-icon { width: 28px; height: 28px; color: var(--blue); margin-bottom: 1rem; }
.info-card h3 { font-size: 1rem; font-weight: 800; color: var(--navy); margin-bottom: 0.5rem; letter-spacing: -0.01em; }
.info-card p { font-size: 0.94rem; color: var(--muted); line-height: 1.75; }
.info-link { color: var(--blue); font-weight: 600; transition: color 0.3s; }
.info-link:hover { color: var(--navy); }

.contact-form-wrap { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: clamp(1.8rem, 4vw, 3rem); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.form-field { margin-bottom: 1.25rem; }
.form-field label { display: block; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--navy); margin-bottom: 0.55rem; }
.form-field input, .form-field textarea {
  width: 100%; font-family: inherit; font-size: 0.98rem; color: var(--text);
  background: var(--background); border: 1px solid var(--border); border-radius: 6px;
  padding: 0.95rem 1.1rem; outline: none; resize: vertical;
  transition: border-color 0.3s, box-shadow 0.3s, background-color 0.3s;
}
.form-field input:focus, .form-field textarea:focus {
  border-color: var(--blue); background: #fff;
  box-shadow: 0 0 0 4px rgba(11, 78, 162, 0.1);
}
.form-field input.invalid, .form-field textarea.invalid { border-color: var(--red); }
.form-status { margin-top: 1.1rem; font-size: 0.92rem; font-weight: 600; min-height: 1.4em; }
.form-status.success { color: #067647; }
.form-status.error { color: var(--red); }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy); color: rgba(255, 255, 255, 0.75); }
.footer-grid {
  display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 3rem;
  padding: clamp(3.5rem, 7vw, 5.5rem) 0 3rem;
}
.footer-logo { display: inline-block; background: #fff; border-radius: 8px; padding: 0.65rem 1rem; margin-bottom: 1.4rem; }
.footer-logo img { height: 52px; width: auto; }
.footer-brand p { font-size: 0.92rem; line-height: 1.7; }
.footer-heading { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; color: #7FB8F5; margin-bottom: 1.2rem; }
.footer-nav a, .footer-contact a {
  display: block; font-size: 0.95rem; margin-bottom: 0.7rem; color: rgba(255, 255, 255, 0.75);
  transition: color 0.3s, padding-left 0.3s var(--ease-out);
}
.footer-nav a:hover, .footer-contact a:hover { color: #fff; padding-left: 6px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12); padding-block: 1.6rem;
  font-size: 0.85rem; color: rgba(255, 255, 255, 0.55);
}

/* ---------- Mobile nav ---------- */
@media (max-width: 960px) {
  .nav-toggle { display: block; }
  .header-actions .btn { display: none; }
  .main-nav {
    position: fixed; inset: 0; z-index: 105; flex-direction: column; justify-content: center;
    background: rgba(255, 255, 255, 0.97); backdrop-filter: blur(20px);
    gap: 2.2rem; opacity: 0; visibility: hidden; transition: opacity 0.4s var(--ease-out), visibility 0.4s;
  }
  body.nav-open .main-nav { opacity: 1; visibility: visible; }
  .main-nav a:not(.btn) { font-size: 1.3rem; letter-spacing: 0.06em; color: var(--navy); }
  .nav-cta-mobile { display: inline-flex; margin-top: 1rem; }
  body.nav-open { overflow: hidden; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .hero { min-height: auto; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { max-width: 480px; margin-top: 1rem; }
  .hero-logo-card { left: -10px; }
  .split, .contact-grid { grid-template-columns: 1fr; }
  .split-left { position: static; }
  .footer-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .br-wide { display: none; }
}
@media (max-width: 560px) {
  .grid-4, .grid-3 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .misi-item { grid-template-columns: 64px 1fr; gap: 1.25rem; }
  .brand img { height: 56px; }
  .hero-actions .btn { width: 100%; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001s !important; transition-duration: 0.001s !important; }
  html { scroll-behavior: auto; }
  html.js .hero-title .line > span, html.js .page-title .line > span { transform: none; }
  html.js .hero-fade { opacity: 1; transform: none; }
}