/* =========================================================
   Impact Indonesia — Brand Stylesheet
   Colors: Red #ED1C24 · Ink #0A0A0A · White #FFFFFF
   ========================================================= */

:root{
  --red:#ED1C24;
  --red-dark:#C10E15;
  --ink:#0A0A0A;
  --ink-2:#161616;
  --grey:#6B7280;
  --grey-light:#9CA3AF;
  --line:#E7E7E9;
  --bg:#FFFFFF;
  --bg-soft:#F6F6F7;
  --radius:16px;
  --radius-lg:24px;
  --shadow:0 10px 40px rgba(10,10,10,.08);
  --shadow-hover:0 20px 60px rgba(237,28,36,.14);
  --max:1180px;
  --font-head:"Space Grotesk",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --font-body:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

h1,h2,h3,h4{font-family:var(--font-head);font-weight:700;line-height:1.1;letter-spacing:-.02em}
h1{font-size:clamp(2.4rem,5.5vw,4.1rem)}
h2{font-size:clamp(1.9rem,3.6vw,2.9rem)}
h3{font-size:1.3rem}
p{color:#33343A}

.container{max-width:var(--max);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-soft{background:var(--bg-soft)}
.center{text-align:center}
.eyebrow{
  display:inline-block;font-family:var(--font-head);font-weight:600;
  font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--red);margin-bottom:14px;
}
.lead{font-size:1.15rem;color:#4B4C52;max-width:640px}
.center .lead{margin-left:auto;margin-right:auto}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-head);font-weight:600;font-size:.98rem;
  padding:14px 26px;border-radius:999px;transition:.25s ease;cursor:pointer;border:2px solid transparent;
}
.btn-primary{background:var(--red);color:#fff}
.btn-primary:hover{background:var(--red-dark);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-ghost{border-color:rgba(255,255,255,.35);color:#fff}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-2);transform:translateY(-2px)}
.btn-outline{border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff}

/* ---------- Header / Nav ---------- */
.nav{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);
  backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand img{height:34px;width:auto}
.nav-links{display:flex;align-items:center;gap:34px}
.nav-links a{font-weight:500;font-size:.97rem;color:#2A2B31;position:relative;padding:4px 0}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--red);transition:.25s}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-links a.active{color:var(--ink)}
.nav-cta{margin-left:6px}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--ink);transition:.25s}

/* ---------- Hero ---------- */
.hero{
  position:relative;background:var(--ink);color:#fff;overflow:hidden;
  padding:120px 0 130px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 500px at 78% -10%,rgba(237,28,36,.35),transparent 60%),
    radial-gradient(700px 500px at 0% 120%,rgba(237,28,36,.14),transparent 55%);
}
.hero .stripes{position:absolute;top:-40px;right:-30px;opacity:.5;pointer-events:none}
.hero .stripes span{display:block;height:6px;border-radius:6px;background:var(--red);margin:12px 0;transform:rotate(-45deg);transform-origin:right}
.hero .stripes span:nth-child(1){width:150px}
.hero .stripes span:nth-child(2){width:120px}
.hero .stripes span:nth-child(3){width:90px}
.hero .stripes span:nth-child(4){width:60px}
.hero-inner{position:relative;max-width:760px}
.hero h1{color:#fff}
.hero h1 .accent{color:var(--red)}
.hero p{color:rgba(255,255,255,.78);font-size:1.2rem;margin:22px 0 34px;max-width:600px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-meta{margin-top:54px;display:flex;gap:40px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.14);padding-top:26px}
.hero-meta div span{display:block;font-family:var(--font-head);font-size:1.9rem;font-weight:700;color:#fff}
.hero-meta div small{color:rgba(255,255,255,.6);font-size:.85rem;letter-spacing:.04em}

/* ---------- Logos / trust strip ---------- */
.pill-row{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:34px}
.pill{background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 18px;font-size:.9rem;font-weight:500;color:#3A3B41}

/* ---------- Grid cards ---------- */
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:32px;transition:.28s ease;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.card .ico{
  width:52px;height:52px;border-radius:14px;background:rgba(237,28,36,.1);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.card .ico svg{width:26px;height:26px;stroke:var(--red)}
.card h3{margin-bottom:10px}
.card p{font-size:.98rem;color:#55565C}
.card .num{font-family:var(--font-head);font-weight:700;color:var(--red);font-size:.9rem;letter-spacing:.1em}

/* ---------- Split / about ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.split.reverse{grid-template-columns:.95fr 1.05fr}
.founder-card{
  background:var(--ink);color:#fff;border-radius:var(--radius-lg);padding:40px;position:relative;overflow:hidden;
}
.founder-card::after{content:"";position:absolute;right:-60px;top:-60px;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,rgba(237,28,36,.5),transparent 70%)}
.founder-card .role{color:var(--red);font-weight:600;font-family:var(--font-head);letter-spacing:.05em}
.founder-card h3{color:#fff;font-size:1.8rem;margin:4px 0 14px}
.founder-card p{color:rgba(255,255,255,.8)}
.founder-card ul{list-style:none;margin-top:18px;display:flex;flex-direction:column;gap:10px}
.founder-card li{color:rgba(255,255,255,.85);display:flex;gap:10px;align-items:flex-start;font-size:.96rem}
.founder-card li::before{content:"";flex:0 0 8px;height:8px;margin-top:8px;border-radius:50%;background:var(--red)}

.value-list{list-style:none;display:flex;flex-direction:column;gap:20px;margin-top:10px}
.value-list li{display:flex;gap:16px;align-items:flex-start}
.value-list .vico{flex:0 0 44px;height:44px;border-radius:12px;background:rgba(237,28,36,.1);display:flex;align-items:center;justify-content:center}
.value-list .vico svg{width:22px;height:22px;stroke:var(--red)}
.value-list h4{font-family:var(--font-head);font-size:1.05rem;margin-bottom:2px}
.value-list p{font-size:.95rem;color:#55565C}

/* ---------- CTA band ---------- */
.cta-band{background:var(--red);color:#fff;border-radius:var(--radius-lg);padding:56px;text-align:center;position:relative;overflow:hidden}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.9);max-width:560px;margin:14px auto 26px}
.cta-band .btn-primary{background:#fff;color:var(--red)}
.cta-band .btn-primary:hover{background:var(--ink);color:#fff;box-shadow:none}

/* ---------- Steps ---------- */
.steps{counter-reset:step;display:grid;gap:22px}
.step{display:flex;gap:20px;align-items:flex-start}
.step .n{counter-increment:step;flex:0 0 46px;height:46px;border-radius:12px;background:var(--ink);color:#fff;font-family:var(--font-head);font-weight:700;display:flex;align-items:center;justify-content:center}
.step .n::before{content:counter(step,decimal-leading-zero)}
.step h4{font-family:var(--font-head);margin-bottom:4px}
.step p{font-size:.96rem;color:#55565C}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-info .item{display:flex;gap:16px;align-items:flex-start;margin-bottom:24px}
.contact-info .item .ico{flex:0 0 46px;height:46px;border-radius:12px;background:rgba(237,28,36,.1);display:flex;align-items:center;justify-content:center}
.contact-info .item .ico svg{width:22px;height:22px;stroke:var(--red)}
.contact-info .item h4{font-family:var(--font-head);font-size:1rem}
.contact-info .item a,.contact-info .item p{color:#55565C;font-size:.98rem}
.contact-info .item a:hover{color:var(--red)}
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px}
.form label{display:block;font-weight:600;font-size:.9rem;margin-bottom:6px}
.form .field{margin-bottom:18px}
.form input,.form textarea{
  width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:12px;
  font-family:var(--font-body);font-size:.98rem;background:var(--bg-soft);transition:.2s;
}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--red);background:#fff;box-shadow:0 0 0 4px rgba(237,28,36,.08)}
.form textarea{min-height:130px;resize:vertical}

/* ---------- Page header ---------- */
.page-head{background:var(--ink);color:#fff;padding:96px 0 84px;position:relative;overflow:hidden}
.page-head::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 400px at 85% -20%,rgba(237,28,36,.32),transparent 60%)}
.page-head .inner{position:relative;max-width:720px}
.page-head h1{color:#fff}
.page-head p{color:rgba(255,255,255,.78);font-size:1.15rem;margin-top:16px;max-width:600px}
.crumb{font-size:.85rem;color:rgba(255,255,255,.55);margin-bottom:14px;letter-spacing:.04em}
.crumb a:hover{color:#fff}

/* ---------- Footer ---------- */
.footer{background:var(--ink);color:#fff;padding:70px 0 30px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer img{height:34px;margin-bottom:18px}
.footer p{color:rgba(255,255,255,.62);font-size:.95rem;max-width:320px}
.footer h5{font-family:var(--font-head);font-size:.85rem;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.5);margin-bottom:16px}
.footer ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer ul a{color:rgba(255,255,255,.8);font-size:.96rem}
.footer ul a:hover{color:var(--red)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:24px;gap:16px;flex-wrap:wrap}
.footer-bottom small{color:rgba(255,255,255,.5);font-size:.85rem}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .nav-links{
    position:fixed;inset:74px 0 auto 0;background:#fff;flex-direction:column;gap:0;
    border-bottom:1px solid var(--line);padding:8px 24px 20px;
    transform:translateY(-140%);transition:.3s;box-shadow:var(--shadow);
  }
  .nav-links.open{transform:none}
  .nav-links a{width:100%;padding:14px 0;border-bottom:1px solid var(--line)}
  .nav-links .nav-cta{margin:14px 0 0;width:100%;justify-content:center}
  .nav-toggle{display:flex}
  .split,.split.reverse,.contact-grid{grid-template-columns:1fr;gap:36px}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr;gap:30px}
  .section{padding:72px 0}
  .cta-band{padding:40px 24px}
}