/* ============================================================
   PT Recycle Technology Materials (RTM) — Global Stylesheet
   Palette: forest green + lime gradient on clean white
   ============================================================ */

:root {
  /* Brand palette */
  --green-900: #10442A;
  --green-800: #1B5E3A;
  --green-700: #23724A;
  --green-600: #2E8B4E;
  --green-500: #3AA25E;
  --lime-500:  #8DC63F;
  --lime-400:  #A6D65E;

  --grad-brand: linear-gradient(135deg, #1B5E3A 0%, #2E8B4E 55%, #8DC63F 100%);
  --grad-brand-soft: linear-gradient(135deg, #F2F8F1 0%, #E7F3E4 100%);

  /* Neutrals */
  --ink-900: #17211C;
  --ink-700: #33413A;
  --ink-500: #5A6B60;
  --ink-300: #8B978F;
  --line:    #E3EAE4;
  --bg:      #FFFFFF;
  --bg-alt:  #F6FAF5;

  /* System */
  --maxw: 1180px;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(16,68,42,.06), 0 4px 14px rgba(16,68,42,.05);
  --shadow-md: 0 8px 30px rgba(16,68,42,.10);
  --ease: cubic-bezier(.2,.7,.3,1);

  --font-head: 'Poppins', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink-700);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--green-700); text-decoration: none; }
a:hover { color: var(--green-600); }

h1, h2, h3, h4 {
  font-family: var(--font-head);
  color: var(--ink-900);
  line-height: 1.18;
  margin: 0 0 .5em;
  font-weight: 700;
  letter-spacing: -.01em;
}
h1 { font-size: clamp(2.1rem, 4.5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
h3 { font-size: 1.22rem; }
p  { margin: 0 0 1rem; }

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 84px 0; }
.section--alt { background: var(--bg-alt); }
.section--tight { padding: 56px 0; }
.center { text-align: center; }
.narrow { max-width: 760px; margin-left: auto; margin-right: auto; }

.eyebrow {
  display: inline-block;
  font-family: var(--font-head);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--green-600);
  margin-bottom: 14px;
}
.lead { font-size: 1.16rem; color: var(--ink-500); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5em;
  font-family: var(--font-head); font-weight: 600; font-size: .98rem;
  padding: 13px 26px; border-radius: 40px; border: 1.5px solid transparent;
  cursor: pointer; transition: transform .15s var(--ease), box-shadow .2s var(--ease), background .2s;
  white-space: nowrap;
}
.btn--primary { background: var(--grad-brand); color: #fff; box-shadow: var(--shadow-sm); }
.btn--primary:hover { color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn--ghost { background: transparent; color: var(--green-800); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--green-500); color: var(--green-700); }
.btn--light { background: #fff; color: var(--green-800); }
.btn--light:hover { color: var(--green-700); transform: translateY(-2px); box-shadow: var(--shadow-md); }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.9);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.nav__logo img { height: 44px; width: auto; }
.nav__links { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav__links a {
  font-family: var(--font-head); font-weight: 500; font-size: .96rem;
  color: var(--ink-700); padding: 9px 14px; border-radius: 8px; transition: background .18s, color .18s;
}
.nav__links a:hover { background: var(--bg-alt); color: var(--green-700); }
.nav__links a.is-active { color: var(--green-700); font-weight: 600; }
.nav__cta { margin-left: 10px; }
.nav__toggle {
  display: none; background: none; border: 0; cursor: pointer; padding: 8px;
  width: 44px; height: 44px;
}
.nav__toggle span { display: block; width: 24px; height: 2px; background: var(--ink-900); margin: 5px auto; transition: .25s var(--ease); }
.nav__toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.is-open span:nth-child(2) { opacity: 0; }
.nav__toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; background: var(--grad-brand-soft); overflow: hidden; }
.hero::after {
  content: ""; position: absolute; right: -10%; top: -30%;
  width: 640px; height: 640px; border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(141,198,63,.22), transparent 62%);
  pointer-events: none;
}
.hero__inner { padding: 92px 0 96px; position: relative; z-index: 1; max-width: 820px; }
.hero h1 { color: var(--green-900); }
.hero .lead { color: var(--ink-700); max-width: 620px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }

.badge {
  display: inline-flex; align-items: center; gap: .5em;
  background: #fff; border: 1px solid var(--line); color: var(--green-700);
  font-family: var(--font-head); font-weight: 600; font-size: .8rem; letter-spacing: .04em;
  padding: 7px 15px; border-radius: 30px; margin-bottom: 22px; box-shadow: var(--shadow-sm);
}
.badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--lime-500); }

/* ---------- Grid & Cards ---------- */
.grid { display: grid; gap: 26px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 28px; box-shadow: var(--shadow-sm);
  transition: transform .18s var(--ease), box-shadow .2s var(--ease), border-color .2s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: #D5E4D2; }
.card__icon {
  width: 54px; height: 54px; border-radius: 12px; display: grid; place-items: center;
  background: var(--grad-brand-soft); color: var(--green-700); margin-bottom: 18px;
}
.card__icon svg { width: 28px; height: 28px; }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--ink-500); margin: 0; font-size: .98rem; }

/* ---------- Stat / pill row ---------- */
.pill-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.pill {
  display: inline-flex; align-items: center; gap: .55em;
  background: #fff; border: 1px solid var(--line); border-radius: 30px;
  padding: 9px 18px; font-family: var(--font-head); font-weight: 500; font-size: .92rem; color: var(--ink-700);
}
.pill svg { width: 18px; height: 18px; color: var(--green-600); }

/* ---------- Process / value chain ---------- */
.chain { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; margin-top: 40px; counter-reset: step; }
.chain__step {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 24px 18px; text-align: center;
}
.chain__step .num {
  width: 38px; height: 38px; margin: 0 auto 14px; border-radius: 50%;
  background: var(--grad-brand); color: #fff; font-family: var(--font-head); font-weight: 700;
  display: grid; place-items: center; font-size: 1rem;
}
.chain__step h4 { font-size: 1rem; margin: 0 0 6px; color: var(--ink-900); }
.chain__step p { font-size: .86rem; color: var(--ink-500); margin: 0; }
.chain__step::after {
  content: "→"; position: absolute; right: -12px; top: 50%; transform: translateY(-50%);
  color: var(--lime-500); font-weight: 700; font-size: 1.1rem; z-index: 2;
}
.chain__step:last-child::after { display: none; }

/* ---------- Split feature ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split--reverse .split__media { order: 2; }
.media-card {
  background: var(--grad-brand); border-radius: var(--radius); min-height: 340px;
  padding: 40px; color: #fff; display: flex; flex-direction: column; justify-content: center;
  box-shadow: var(--shadow-md); position: relative; overflow: hidden;
}
.media-card::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 80% 15%, rgba(255,255,255,.16), transparent 55%);
}
.media-card h3 { color: #fff; font-size: 1.5rem; position: relative; }
.media-card p { color: rgba(255,255,255,.9); position: relative; margin: 0; }
.media-card .big { font-family: var(--font-head); font-weight: 700; font-size: 2.6rem; margin-bottom: 6px; position: relative; }

/* ---------- List with checks ---------- */
.check-list { list-style: none; margin: 18px 0 0; padding: 0; }
.check-list li { position: relative; padding: 8px 0 8px 34px; color: var(--ink-700); border-bottom: 1px solid var(--line); }
.check-list li:last-child { border-bottom: 0; }
.check-list li::before {
  content: ""; position: absolute; left: 0; top: 13px;
  width: 20px; height: 20px; border-radius: 50%; background: var(--grad-brand-soft);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%232E8B4E' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: center;
}

/* ---------- Timeline (phases) ---------- */
.phases { position: relative; margin-top: 40px; }
.phase {
  display: grid; grid-template-columns: 150px 1fr; gap: 30px; padding: 28px 0;
  border-top: 1px solid var(--line);
}
.phase:last-child { border-bottom: 1px solid var(--line); }
.phase__tag {
  font-family: var(--font-head); font-weight: 700; color: var(--green-700);
}
.phase__tag .status { display: block; font-size: .78rem; font-weight: 500; color: var(--ink-300); text-transform: uppercase; letter-spacing: .08em; margin-top: 4px; }
.phase h3 { margin-bottom: 6px; }
.phase p { color: var(--ink-500); margin: 0; }

/* ---------- CTA band ---------- */
.cta-band { background: var(--grad-brand); color: #fff; border-radius: 20px; padding: 56px 48px; text-align: center; position: relative; overflow: hidden; }
.cta-band::after { content:""; position:absolute; inset:0; background: radial-gradient(circle at 15% 20%, rgba(255,255,255,.14), transparent 50%); }
.cta-band h2 { color: #fff; position: relative; }
.cta-band p { color: rgba(255,255,255,.92); max-width: 560px; margin: 0 auto 26px; position: relative; }
.cta-band .btn { position: relative; }

/* ---------- Forms ---------- */
.form { display: grid; gap: 18px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field label { font-family: var(--font-head); font-weight: 500; font-size: .9rem; color: var(--ink-700); }
.field label .req { color: #C0472B; }
.field input, .field select, .field textarea {
  font-family: var(--font-body); font-size: 1rem; color: var(--ink-900);
  padding: 12px 14px; border: 1.5px solid var(--line); border-radius: var(--radius-sm);
  background: #fff; transition: border-color .16s, box-shadow .16s; width: 100%;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--green-500); box-shadow: 0 0 0 3px rgba(58,162,94,.14);
}
.field textarea { resize: vertical; min-height: 130px; }
.field small { color: var(--ink-300); font-size: .82rem; }
.form__note {
  font-size: .86rem; color: var(--ink-500); background: var(--bg-alt);
  border: 1px dashed var(--line); border-radius: var(--radius-sm); padding: 12px 14px;
}
.form-status { font-size: .95rem; padding: 12px 16px; border-radius: var(--radius-sm); display: none; }
.form-status.show { display: block; }
.form-status.ok { background: #E7F3E4; color: var(--green-800); border: 1px solid #CDE6C7; }
.form-status.err { background: #FBEBE7; color: #9A3B24; border: 1px solid #F3D3CA; }
.field.invalid input, .field.invalid select, .field.invalid textarea { border-color: #C0472B; }

/* ---------- Info cards (contact) ---------- */
.info-card { display: flex; gap: 16px; align-items: flex-start; padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.info-card .ic { flex: none; width: 44px; height: 44px; border-radius: 10px; background: var(--grad-brand-soft); display: grid; place-items: center; color: var(--green-700); }
.info-card h4 { margin: 0 0 4px; font-size: 1.02rem; }
.info-card p { margin: 0; color: var(--ink-500); font-size: .95rem; }

/* ---------- Values (careers) ---------- */
.value { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.value .kbd { font-family: var(--font-head); font-weight: 700; color: var(--green-600); font-size: 1.4rem; }
.value h3 { font-size: 1.1rem; margin: 10px 0 6px; }
.value p { color: var(--ink-500); margin: 0; font-size: .96rem; }

/* ---------- Notice banner ---------- */
.notice {
  display: flex; gap: 12px; align-items: flex-start;
  background: var(--grad-brand-soft); border: 1px solid #D8E9D3; border-radius: var(--radius);
  padding: 18px 22px; color: var(--green-900); font-size: .95rem; margin-top: 28px;
}
.notice svg { flex: none; color: var(--green-600); margin-top: 2px; }
.notice strong { color: var(--green-800); }

/* ---------- Footer ---------- */
.site-footer { background: var(--green-900); color: #C9D9CC; padding: 66px 0 30px; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; }
.site-footer h4 { color: #fff; font-size: .95rem; letter-spacing: .04em; text-transform: uppercase; margin-bottom: 16px; }
.site-footer a { color: #C9D9CC; display: block; padding: 5px 0; font-size: .95rem; }
.site-footer a:hover { color: var(--lime-400); }
.footer-brand p { color: #A9C0AE; font-size: .95rem; max-width: 320px; }
.footer-logo { background: #fff; border-radius: 10px; padding: 10px 14px; display: inline-block; margin-bottom: 18px; }
.footer-logo img { height: 40px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12); margin-top: 44px; padding-top: 24px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: .86rem; color: #90A896;
}
.footer-disclaimer { font-size: .8rem; color: #7E977F; max-width: 720px; margin-top: 12px; }

/* ---------- Page hero (interior) ---------- */
.page-hero { background: var(--grad-brand-soft); padding: 68px 0 60px; border-bottom: 1px solid var(--line); }
.page-hero .eyebrow { color: var(--green-600); }
.page-hero h1 { color: var(--green-900); margin-bottom: 12px; }
.page-hero p { color: var(--ink-700); max-width: 640px; margin: 0; font-size: 1.12rem; }

/* ---------- Hero with artwork ---------- */
.hero__grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; }
.hero__grid .hero__inner { max-width: none; padding-right: 10px; }
.hero__art { position: relative; display: flex; justify-content: center; }
.hero__art img { width: 100%; max-width: 520px; height: auto; animation: floaty 7s ease-in-out infinite; }
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
@media (prefers-reduced-motion: reduce) { .hero__art img { animation: none; } }

/* ---------- Hex pattern backgrounds ---------- */
.has-hex { position: relative; }
.has-hex::before {
  content: ""; position: absolute; inset: 0;
  background: url("../img/pattern-hex.svg"); background-size: 120px 104px;
  opacity: 1; pointer-events: none; z-index: 0;
}
.has-hex > * { position: relative; z-index: 1; }

/* ---------- Illustration blocks ---------- */
.illus { width: 100%; height: auto; border-radius: var(--radius); }
.illus-frame {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; box-shadow: var(--shadow-md);
}
.illus-frame img { display: block; width: 100%; height: auto; }

/* ---------- Recovered-material element tiles ---------- */
.elements { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; margin-top: 40px; }
.el {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 16px 12px; text-align: left; box-shadow: var(--shadow-sm);
  transition: transform .18s var(--ease), box-shadow .2s var(--ease), border-color .2s;
  overflow: hidden;
}
.el::after {
  content: ""; position: absolute; right: -18px; bottom: -18px; width: 64px; height: 64px;
  border-radius: 50%; background: var(--grad-brand-soft);
}
.el:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: #D5E4D2; }
.el .sym { position: relative; font-family: var(--font-head); font-weight: 800; font-size: 1.7rem; color: var(--green-800); line-height: 1; z-index: 1; }
.el .name { position: relative; display: block; margin-top: 6px; font-size: .82rem; color: var(--ink-500); z-index: 1; }
.el .no { position: absolute; top: 10px; right: 12px; font-family: var(--font-head); font-size: .72rem; color: var(--ink-300); z-index: 1; }

/* ---------- Media card with inline art ---------- */
.media-card .art-inline { position: relative; margin-top: 18px; }
.media-card .art-inline img { width: 100%; height: auto; border-radius: 10px; background: rgba(255,255,255,.9); padding: 10px; }

@media (max-width: 960px) {
  .hero__grid { grid-template-columns: 1fr; gap: 8px; }
  .hero__art { order: -1; max-width: 420px; margin: 0 auto; }
  .elements { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 720px) {
  .elements { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Team / leadership cards ---------- */
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-top: 44px; }
.team-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 24px; text-align: center; box-shadow: var(--shadow-sm);
  transition: transform .18s var(--ease), box-shadow .2s var(--ease), border-color .2s;
}
.team-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: #D5E4D2; }
.team-photo {
  width: 116px; height: 116px; margin: 0 auto 18px; border-radius: 50%;
  background: var(--grad-brand-soft); border: 3px solid #fff; box-shadow: 0 0 0 1px var(--line);
  display: grid; place-items: center; overflow: hidden; color: var(--green-600);
}
.team-photo img { width: 100%; height: 100%; object-fit: cover; }
.team-photo svg { width: 54px; height: 54px; }
.team-card h3 { margin: 0 0 2px; font-size: 1.16rem; }
.team-card .title { font-family: var(--font-head); font-weight: 600; font-size: .92rem; color: var(--green-600); margin-bottom: 12px; }
.team-card .bio { color: var(--ink-500); font-size: .94rem; margin: 0; }
.team-card .placeholder { color: var(--ink-300); font-style: italic; }
.team-social { display: flex; justify-content: center; gap: 12px; margin-top: 16px; }
.team-social a { width: 34px; height: 34px; border-radius: 8px; display: grid; place-items: center; background: var(--bg-alt); color: var(--green-700); }
.team-social a:hover { background: var(--grad-brand-soft); }
.team-social svg { width: 17px; height: 17px; }

.team-grid--two { grid-template-columns: repeat(2, minmax(0, 300px)); justify-content: center; max-width: 680px; margin-left: auto; margin-right: auto; }

@media (max-width: 960px) { .team-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 720px) {
  .team-grid { grid-template-columns: 1fr; }
  .team-grid--two { grid-template-columns: minmax(0, 320px); max-width: 340px; }
}

/* ---------- Utility ---------- */
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.stack > * + * { margin-top: 14px; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 960px) {
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .chain { grid-template-columns: repeat(2, 1fr); }
  .chain__step::after { display: none; }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .split--reverse .split__media { order: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  .section { padding: 60px 0; }
  .nav__toggle { display: block; }
  .nav__links {
    position: fixed; inset: 74px 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    padding: 12px 16px 20px; box-shadow: var(--shadow-md);
    transform: translateY(-140%); transition: transform .3s var(--ease); visibility: hidden;
  }
  .nav__links.is-open { transform: translateY(0); visibility: visible; }
  .nav__links a { padding: 13px 12px; border-radius: 8px; }
  .nav__cta { margin: 8px 0 0; }
  .nav__cta .btn { width: 100%; justify-content: center; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .chain { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .phase { grid-template-columns: 1fr; gap: 10px; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-band { padding: 40px 24px; }
  .hero__inner { padding: 64px 0; }
}