/* ═══════════════════════════════════════════════════
   Zentralink — Digital Marketing Agency
   Brand: Orange (#f16232), DM Serif Display headings
   ═══════════════════════════════════════════════════ */

:root {
  --o: #f16232; --od: #d9532a; --ol: #ff8a65;
  --o5: rgba(241,98,50,.05); --o10: rgba(241,98,50,.1); --o15: rgba(241,98,50,.15);
  --s9: #0f172a; --s8: #1e293b; --s7: #334155; --s6: #475569; --s5: #64748b;
  --s4: #94a3b8; --s3: #cbd5e1; --s2: #e2e8f0; --s1: #f1f5f9; --s0: #f8fafc;
  --bg: #faf8f6; --w: #fff; --r: 14px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', system-ui, -apple-system, sans-serif; color: var(--s7); background: var(--bg); line-height: 1.6; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.w { max-width: 1160px; margin: 0 auto; padding: 0 28px; }

/* ── NAV ── */
.nav { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.97); backdrop-filter: blur(16px); border-bottom: 1px solid var(--s2); }
.nav .w { display: flex; align-items: center; height: 64px; gap: 28px; }
.n-logo { font-family: 'DM Serif Display', serif; font-size: 24px; color: var(--o); letter-spacing: -.5px; }
.n-logo img { height: 32px; width: auto; }
.n-links { display: flex; align-items: center; gap: 28px; margin-left: auto; font-size: 14px; font-weight: 500; color: var(--s6); }
.n-links a:hover, .n-links a.active { color: var(--o); }
.n-btn { display: inline-flex; align-items: center; padding: 12px 32px; border-radius: 50px; background: #e8461e; color: #fff !important; font-weight: 700; font-size: 14px; transition: all .2s; box-shadow: 0 4px 14px rgba(232,70,30,.3); }
.n-btn:hover { background: #d13a15; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(232,70,30,.35); }
.n-login { color: var(--o) !important; font-weight: 600; }
.n-toggle { display: none; background: none; border: none; font-size: 24px; cursor: pointer; color: var(--s7); }

/* ── HERO ── */
.hero { padding: 80px 0 60px; background: var(--bg); }
.hero .w { display: flex; align-items: center; gap: 60px; }
.hero-l { flex: 1.1; }
.hero-r { flex: 1; display: flex; justify-content: center; }
.h-badge { display: inline-block; padding: 6px 16px; border-radius: 50px; background: var(--o15); color: var(--o); font-size: 12px; font-weight: 600; margin-bottom: 20px; }
.hero h1 { font-family: 'DM Serif Display', serif; font-size: clamp(36px,5vw,58px); font-weight: 400; line-height: 1.08; color: var(--s9); margin-bottom: 20px; letter-spacing: -.5px; }
.hero h1 span { color: var(--o); }
.hero p { font-size: 16px; color: var(--s5); line-height: 1.75; margin-bottom: 32px; max-width: 460px; }
.h-btns { display: flex; gap: 12px; margin-bottom: 24px; }
.h-p { padding: 14px 32px; border-radius: 50px; background: #e8461e; color: #fff; font-weight: 700; font-size: 15px; transition: all .2s; box-shadow: 0 4px 14px rgba(232,70,30,.3); }
.h-p:hover { background: #d13a15; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(232,70,30,.35); }
.h-o { padding: 14px 32px; border-radius: 50px; border: 2px solid var(--s3); color: var(--s7); font-weight: 600; font-size: 15px; transition: all .2s; }
.h-o:hover { border-color: var(--o); color: var(--o); }
.h-tag { font-size: 13px; color: var(--s4); font-weight: 500; }

/* Mock Dashboard */
.mk { max-width: 500px; width: 100%; background: var(--s8); border-radius: 12px; box-shadow: 0 20px 60px rgba(0,0,0,.2); overflow: hidden; }
.mk-top { display: flex; align-items: center; gap: 6px; padding: 10px 16px; background: var(--s9); }
.mk-dot { width: 10px; height: 10px; border-radius: 50%; }
.mk-d1 { background: #ef4444; } .mk-d2 { background: #eab308; } .mk-d3 { background: #22c55e; }
.mk-top span { margin-left: auto; font-size: 11px; color: var(--s4); font-weight: 500; }
.mk-body { padding: 20px; }
.mk-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 16px; }
.mk-card { background: rgba(255,255,255,.06); border-radius: 10px; padding: 14px; text-align: center; }
.mk-card small { font-size: 10px; color: var(--s4); text-transform: uppercase; letter-spacing: .5px; font-weight: 600; }
.mk-card b { display: block; font-size: 20px; color: #fff; margin-top: 4px; }
.mk-chart { display: flex; align-items: flex-end; gap: 6px; height: 60px; padding-top: 8px; }
.mk-bar { flex: 1; border-radius: 4px 4px 0 0; transition: height .3s; }

/* ── SECTIONS ── */
.sec { padding: 90px 0; }
.sec-bg { background: var(--w); }
.sh { text-align: center; margin-bottom: 48px; }
.sh h2 { font-family: 'DM Serif Display', serif; font-size: clamp(28px,3.5vw,42px); font-weight: 400; color: var(--s9); margin-bottom: 12px; line-height: 1.08; }
.sh p { font-size: 16px; color: var(--s5); max-width: 600px; margin: 0 auto; line-height: 1.7; }

/* Feature Grid */
.fg { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.fc { background: var(--w); border: 1px solid var(--s2); border-radius: var(--r); padding: 30px; transition: all .2s; }
.fc:hover { border-color: var(--o); box-shadow: 0 12px 40px rgba(241,98,50,.07); transform: translateY(-3px); }
.fc-icon { width: 52px; height: 52px; border-radius: 14px; background: var(--o10); display: flex; align-items: center; justify-content: center; font-size: 24px; margin-bottom: 16px; }
.fc-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.fc-head h3 { font-size: 16px; font-weight: 700; color: var(--s9); }
.fc-tag { font-size: 11px; font-weight: 600; padding: 3px 10px; border-radius: 12px; }
.fc-tag { background: var(--o10); color: var(--o); }
.fc-tag.green { background: rgba(34,197,94,.1); color: #16a34a; }
.fc-tag.blue { background: rgba(59,130,246,.1); color: #2563eb; }
.fc-tag.purple { background: rgba(168,85,247,.1); color: #9333ea; }
.fc p { font-size: 13.5px; color: var(--s5); line-height: 1.7; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; counter-reset: step; }
.step { position: relative; text-align: center; padding: 32px 24px; }
.step-num { width: 56px; height: 56px; border-radius: 50%; background: linear-gradient(135deg, var(--o), var(--od)); color: #fff; font-size: 22px; font-weight: 800; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; }
.step h3 { font-size: 18px; font-weight: 700; color: var(--s9); margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--s5); line-height: 1.7; }

/* Included Grid */
.ig { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 48px; }
.ic { display: flex; gap: 14px; padding: 20px; background: var(--w); border-radius: var(--r); border: 1px solid var(--s2); transition: all .2s; }
.ic:hover { border-color: var(--o); }
.ic-icon { font-size: 28px; flex-shrink: 0; }
.ic h4 { font-size: 14px; font-weight: 700; color: var(--s9); margin-bottom: 4px; }
.ic p { font-size: 13px; color: var(--s5); }

/* Testimonials */
.tg { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tc { background: var(--w); border: 1px solid var(--s2); border-radius: 16px; padding: 28px; transition: all .2s; }
.tc:hover { border-color: var(--o); }
.tc q { display: block; font-size: 15px; color: var(--s7); line-height: 1.7; margin-bottom: 20px; font-style: italic; quotes: none; }
.tc-who { display: flex; align-items: center; gap: 12px; }
.tc-avi { width: 36px; height: 36px; border-radius: 50%; background: var(--o10); color: var(--o); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 14px; }
.tc-name { font-size: 14px; font-weight: 600; color: var(--s9); }
.tc-loc { font-size: 12px; color: var(--s5); }

/* FAQ */
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--s2); }
.faq-q { width: 100%; display: flex; justify-content: space-between; align-items: center; padding: 20px 0; background: none; border: none; cursor: pointer; text-align: left; font-size: 15px; font-weight: 700; color: var(--s9); font-family: inherit; }
.faq-q::after { content: '+'; font-size: 24px; color: var(--s4); transition: transform .2s; }
.faq-item.open .faq-q::after { content: '\2212'; color: var(--o); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-item.open .faq-a { max-height: 500px; }
.faq-a p { padding: 0 0 20px; font-size: 14px; color: var(--s5); line-height: 1.7; }

/* Contact Form */
.form-wrap { max-width: 640px; margin: 0 auto; background: var(--w); border: 1px solid var(--s2); border-radius: 16px; padding: 40px; }
.form-wrap label { display: block; font-size: 13px; font-weight: 700; color: var(--s7); margin-bottom: 6px; }
.form-wrap input, .form-wrap select, .form-wrap textarea { width: 100%; padding: 12px 16px; border: 1.5px solid var(--s2); border-radius: 10px; font-size: 14px; font-family: inherit; margin-bottom: 16px; transition: border-color .2s; }
.form-wrap input:focus, .form-wrap select:focus, .form-wrap textarea:focus { outline: none; border-color: var(--o); box-shadow: 0 0 0 3px rgba(241,98,50,.1); }
.form-wrap textarea { min-height: 100px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-btn { width: 100%; padding: 16px; border: none; border-radius: 50px; background: #e8461e; color: #fff; font-size: 15px; font-weight: 700; cursor: pointer; font-family: inherit; transition: all .2s; box-shadow: 0 4px 14px rgba(232,70,30,.3); }
.form-btn:hover { background: #d13a15; }

/* CTA */
.cta { text-align: center; padding: 64px 48px; border-radius: 24px; background: linear-gradient(135deg, var(--o), var(--od)); position: relative; overflow: hidden; }
.cta::after { content: ''; position: absolute; top: -40px; right: -40px; width: 200px; height: 200px; border-radius: 50%; background: rgba(255,255,255,.08); }
.cta h2 { font-family: 'DM Serif Display', serif; font-size: 32px; font-weight: 400; color: #fff; margin-bottom: 12px; position: relative; }
.cta p { font-size: 16px; color: rgba(255,255,255,.85); margin-bottom: 24px; max-width: 500px; margin-left: auto; margin-right: auto; position: relative; }
.cta-btn { display: inline-block; padding: 14px 36px; border-radius: 50px; background: #fff; color: var(--o); font-weight: 700; font-size: 15px; transition: all .2s; position: relative; }
.cta-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,.15); }

/* FOOTER */
.foot { background: var(--s9); color: var(--s4); padding: 56px 0 0; }
.ft { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.f-brand { font-family: 'DM Serif Display', serif; font-size: 22px; color: var(--o); margin-bottom: 12px; }
.f-brand img { height: 28px; width: auto; }
.f-desc { font-size: 13px; color: var(--s5); line-height: 1.6; max-width: 280px; }
.f-col h4 { font-size: 13px; font-weight: 700; color: var(--s3); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 16px; }
.f-col a { display: block; font-size: 13px; color: var(--s5); padding: 4px 0; transition: color .2s; }
.f-col a:hover { color: var(--w); }
.fb { display: flex; justify-content: space-between; align-items: center; padding: 20px 0; border-top: 1px solid rgba(255,255,255,.06); font-size: 12px; }
.f-soc { display: flex; gap: 12px; }
.f-s { width: 30px; height: 30px; border-radius: 8px; background: rgba(255,255,255,.06); display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; color: var(--s4); transition: all .2s; }
.f-s:hover { background: var(--o); color: #fff; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .hero .w { flex-direction: column; text-align: center; }
  .hero p { margin: 0 auto 28px; }
  .hero-r { display: none; }
  .h-btns { justify-content: center; }
  .fg, .steps, .tg, .ig { grid-template-columns: 1fr; }
  .ft { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .n-links { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--w); border-bottom: 1px solid var(--s2); padding: 16px 24px; gap: 12px; box-shadow: 0 8px 24px rgba(0,0,0,.08); }
  .n-links.open { display: flex; }
  .n-toggle { display: block; margin-left: auto; }
}
@media (min-width: 601px) and (max-width: 900px) {
  .fg, .tg { grid-template-columns: repeat(2, 1fr); }
  .ig { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .hero h1 { font-size: 32px; }
  .sh h2 { font-size: 28px; }
  .sec { padding: 60px 0; }
  .h-btns { flex-direction: column; align-items: center; }
  .ft { grid-template-columns: 1fr; }
}

/* ── Legal Pages ── */
.hero-sm { background: linear-gradient(135deg, var(--o), var(--od)); color: #fff; padding: 60px 0 40px; text-align: center; }
.hero-sm h1 { font-family: 'DM Serif Display', serif; font-size: 36px; font-weight: 400; margin-bottom: 8px; }
.hero-sm p { font-size: 14px; opacity: .8; }
.legal { padding: 60px 0 80px; }
.legal-content { max-width: 800px; margin: 0 auto; }
.legal-content h2 { font-size: 20px; font-weight: 700; color: var(--s9); margin: 36px 0 12px; padding-top: 16px; border-top: 1px solid var(--s2); }
.legal-content h2:first-child { border-top: none; margin-top: 0; padding-top: 0; }
.legal-content h3 { font-size: 16px; font-weight: 600; color: var(--s8); margin: 20px 0 8px; }
.legal-content h4 { font-size: 14px; font-weight: 600; color: var(--s7); margin: 16px 0 6px; }
.legal-content p { font-size: 14px; line-height: 1.7; color: var(--s7); margin-bottom: 12px; }
.legal-content ul, .legal-content ol { margin: 8px 0 16px 24px; font-size: 14px; line-height: 1.7; color: var(--s7); }
.legal-content li { margin-bottom: 6px; }
.legal-content a { color: var(--o); text-decoration: underline; }
.legal-content a:hover { color: var(--od); }
.legal-content strong { color: var(--s8); }