/* ============================================================
   ALFA SOLUTION — Stylesheet
   Accent: Orange  |  Font: Plus Jakarta Sans
   ============================================================ */

:root {
  --orange: #FF6B00;
  --orange-dark: #E65A00;
  --orange-soft: #FFF1E8;
  --ink: #0E0E10;
  --ink-soft: #4A4A52;
  --muted: #8A8A93;
  --line: #ECECEF;
  --bg: #FFFFFF;
  --bg-alt: #FAFAFA;
  --wa: #25D366;
  --radius: 18px;
  --radius-lg: 28px;
  --shadow-sm: 0 4px 16px rgba(16, 16, 20, .06);
  --shadow: 0 18px 50px rgba(16, 16, 20, .10);
  --shadow-orange: 0 14px 34px rgba(255, 107, 0, .32);
  --maxw: 1180px;
  --ease: cubic-bezier(.16, 1, .3, 1);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.accent { color: var(--orange); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-weight: 600; font-size: .95rem; line-height: 1;
  padding: 14px 24px; border-radius: 100px; border: 1.5px solid transparent;
  cursor: pointer; transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s;
  white-space: nowrap;
}
.btn-lg { padding: 17px 32px; font-size: 1rem; }
.btn-block { width: 100%; }
.btn-primary { background: var(--orange); color: #fff; box-shadow: var(--shadow-orange); }
.btn-primary:hover { background: var(--orange-dark); transform: translateY(-2px); }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--orange); color: var(--orange); transform: translateY(-2px); }
.btn-wa { background: var(--wa); color: #fff; box-shadow: 0 14px 34px rgba(37, 211, 102, .35); }
.btn-wa:hover { background: #1ebe5a; transform: translateY(-2px); }

/* ---------- Pills / labels ---------- */
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .82rem; font-weight: 600; padding: 8px 16px; border-radius: 100px;
}
.pill-outline { border: 1.5px solid var(--line); color: var(--ink-soft); background: #fff; }

.eyebrow {
  display: inline-block; color: var(--orange); font-weight: 700;
  font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 14px;
}

/* ============================================================
   HEADER / NAV
   ============================================================ */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 74px; gap: 20px; }

.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.3rem; letter-spacing: -.02em; }
.brand-icon { height: 34px; width: auto; display: block; }
.brand-text span { color: var(--orange); }

.nav-menu {
  display: flex; align-items: center; gap: 6px; list-style: none;
  background: var(--bg-alt); border: 1px solid var(--line);
  padding: 6px; border-radius: 100px;
}
.nav-link {
  display: block; padding: 9px 18px; border-radius: 100px;
  font-weight: 600; font-size: .92rem; color: var(--ink-soft);
  transition: color .2s, background .2s;
}
.nav-link:hover { color: var(--ink); }
.nav-link.active { background: #fff; color: var(--orange); box-shadow: var(--shadow-sm); }

.nav-cta { padding: 11px 22px; }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px; background: none; border: none;
  cursor: pointer; padding: 8px;
}
.nav-toggle span { width: 24px; height: 2.5px; background: var(--ink); border-radius: 2px; transition: .3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero { text-align: center; padding: 70px 24px 90px; position: relative; }
.hero .pill { margin-bottom: 26px; }
.hero-title {
  font-size: clamp(2.4rem, 6vw, 4.5rem); font-weight: 800; line-height: 1.05;
  letter-spacing: -.02em; margin-bottom: 22px;
}
.hero-sub {
  max-width: 620px; margin: 0 auto 34px; font-size: 1.12rem; color: var(--ink-soft);
}
.hero-sub strong { color: var(--ink); }
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 60px; }

.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
  max-width: 740px; margin: 0 auto;
  background: var(--bg-alt); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 28px 20px;
}
.stat strong { display: block; font-size: 1.9rem; font-weight: 800; color: var(--orange); }
.stat span { font-size: .85rem; color: var(--muted); }

.hero-visual { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.orb {
  position: absolute; top: 18%; left: 50%; transform: translateX(-50%);
  width: 420px; height: 420px; border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(255, 107, 0, .22), rgba(255, 107, 0, 0) 65%);
  filter: blur(10px);
}
.card-float {
  position: absolute; background: #fff; border: 1px solid var(--line);
  box-shadow: var(--shadow); border-radius: 14px; padding: 12px 18px;
  font-weight: 600; font-size: .9rem; animation: float 6s ease-in-out infinite;
}
.card-a { top: 24%; left: 8%; }
.card-b { top: 40%; right: 7%; animation-delay: 1.5s; }
.card-c { top: 62%; left: 14%; animation-delay: 3s; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-16px); } }

/* ============================================================
   SECTIONS
   ============================================================ */
.section { padding: 90px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.section-head h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); font-weight: 800; letter-spacing: -.02em; line-height: 1.15; }
.section-head p { color: var(--ink-soft); margin-top: 14px; font-size: 1.05rem; }

.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

/* ---------- Service cards ---------- */
.service-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 34px 30px; transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.service-card.featured { background: linear-gradient(180deg, var(--orange-soft), #fff); border-color: #FFD9BF; }
.service-icon {
  width: 58px; height: 58px; display: grid; place-items: center; font-size: 1.6rem;
  background: var(--orange-soft); border-radius: 16px; margin-bottom: 20px;
}
.service-card h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 10px; }
.service-card > p { color: var(--ink-soft); margin-bottom: 18px; }

.check-list { list-style: none; display: grid; gap: 10px; }
.check-list li { position: relative; padding-left: 28px; color: var(--ink-soft); font-size: .95rem; }
.check-list li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  width: 18px; height: 18px; display: grid; place-items: center;
  background: var(--orange); color: #fff; border-radius: 50%; font-size: .7rem; font-weight: 700;
}

/* ---------- Pricing ---------- */
.price-card {
  position: relative; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 36px 30px;
  display: flex; flex-direction: column; transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.price-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.price-card h3 { font-size: 1.35rem; font-weight: 700; }
.price-desc { color: var(--muted); font-size: .92rem; margin: 6px 0 18px; min-height: 42px; }
.price { font-size: 3rem; font-weight: 800; letter-spacing: -.03em; margin-bottom: 24px; }
.price span { font-size: 1.3rem; vertical-align: super; margin-right: 4px; color: var(--ink-soft); }
.price small { font-size: 1.1rem; color: var(--muted); font-weight: 600; }
.price-call { color: var(--orange); }
.price-card .check-list { margin-bottom: 28px; }
.price-card .btn { margin-top: auto; }

.price-popular {
  background: var(--ink); color: #fff; border-color: var(--ink);
  transform: scale(1.03);
}
.price-popular:hover { transform: scale(1.03) translateY(-6px); }
.price-popular .price-desc { color: #B5B5BD; }
.price-popular .price span { color: #B5B5BD; }
.price-popular .check-list li { color: #D6D6DC; }
.badge {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--orange); color: #fff; font-size: .75rem; font-weight: 700;
  padding: 6px 16px; border-radius: 100px; white-space: nowrap;
}

/* ---------- Portfolio ---------- */
.portfolio-note {
  text-align: center; color: var(--muted); font-size: .92rem; margin: -36px 0 36px;
}
.portfolio-card {
  display: block; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 16px; transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.demo-link {
  display: inline-block; margin: 0 8px 12px; color: var(--orange);
  font-weight: 700; font-size: .9rem; transition: gap .2s;
}
.portfolio-card:hover .demo-link { text-decoration: underline; }
.portfolio-card:hover .portfolio-thumb span { transform: scale(1.05); }
.portfolio-thumb span { transition: transform .3s var(--ease); }
.portfolio-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.portfolio-thumb {
  position: relative; height: 180px; border-radius: 18px; margin-bottom: 18px;
  overflow: hidden; background: linear-gradient(135deg, var(--c1), var(--c2));
}
.portfolio-thumb svg { width: 100%; height: 100%; display: block; }
.portfolio-thumb span {
  position: absolute; top: 12px; left: 12px;
  background: rgba(255, 255, 255, .92); color: var(--ink); font-weight: 700; font-size: .72rem;
  padding: 5px 13px; border-radius: 100px; box-shadow: 0 2px 8px rgba(16, 16, 20, .14);
}
.portfolio-card h3 { font-size: 1.15rem; font-weight: 700; padding: 0 8px; margin-bottom: 6px; }
.portfolio-card p { color: var(--ink-soft); font-size: .92rem; padding: 0 8px 10px; }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 60px; align-items: center; }
.about-visual { position: relative; height: 380px; }
.about-blob {
  position: absolute; inset: 0; border-radius: 32px;
  background: linear-gradient(135deg, var(--orange), #FFB066);
  box-shadow: var(--shadow-orange);
}
.about-blob::after {
  content: ""; position: absolute; inset: 24px; border-radius: 22px;
  background: rgba(255, 255, 255, .14); backdrop-filter: blur(4px);
}
.about-badge {
  position: absolute; bottom: -18px; right: -10px; background: #fff;
  border: 1px solid var(--line); box-shadow: var(--shadow);
  padding: 14px 22px; border-radius: 16px; font-weight: 700; color: var(--orange);
}
.about-content h2 { font-size: clamp(1.9rem, 4vw, 2.6rem); font-weight: 800; letter-spacing: -.02em; line-height: 1.15; margin-bottom: 16px; }
.about-content > p { color: var(--ink-soft); font-size: 1.05rem; margin-bottom: 28px; }
.about-points { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.point strong { display: block; margin-bottom: 4px; }
.point span { color: var(--ink-soft); font-size: .92rem; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 760px; margin: 0 auto; display: grid; gap: 14px; }
.faq-item {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 6px 26px; transition: box-shadow .3s, border-color .3s;
}
.faq-item[open] { box-shadow: var(--shadow-sm); border-color: #FFD9BF; }
.faq-item summary {
  list-style: none; cursor: pointer; font-weight: 700; font-size: 1.05rem;
  padding: 18px 0; display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; color: var(--orange); font-size: 1.6rem; font-weight: 400; transition: transform .3s;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { color: var(--ink-soft); padding-bottom: 20px; }

/* ---------- CTA ---------- */
.cta {
  background: linear-gradient(135deg, var(--ink), #1E1E24);
  border-radius: var(--radius-lg); padding: 70px 30px; text-align: center; color: #fff;
  position: relative; overflow: hidden;
}
.cta::before {
  content: ""; position: absolute; top: -60%; right: -10%; width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(255, 107, 0, .35), transparent 60%); pointer-events: none;
}
.cta h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; letter-spacing: -.02em; position: relative; }
.cta p { color: #C9C9D1; margin: 14px 0 30px; font-size: 1.08rem; position: relative; }
.cta .btn { position: relative; }
.cta-note { font-size: .85rem; color: #8A8A93 !important; margin-top: 18px !important; }

/* ---------- Footer ---------- */
.footer { background: var(--bg-alt); border-top: 1px solid var(--line); padding: 60px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.footer-brand p { color: var(--ink-soft); margin-top: 16px; max-width: 280px; font-size: .95rem; }
.footer-col h4 { font-size: .95rem; margin-bottom: 16px; }
.footer-col a { display: block; color: var(--ink-soft); font-size: .92rem; padding: 5px 0; transition: color .2s; }
.footer-col a:hover { color: var(--orange); }
.footer-bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  border-top: 1px solid var(--line); margin-top: 44px; padding-top: 24px;
  color: var(--muted); font-size: .88rem;
}

/* ---------- Floating WA ---------- */
.wa-float {
  position: fixed; bottom: 26px; right: 26px; z-index: 90;
  width: 58px; height: 58px; border-radius: 50%; background: var(--wa); color: #fff;
  display: grid; place-items: center; box-shadow: 0 10px 30px rgba(37, 211, 102, .45);
  animation: pulse 2.5s infinite; transition: transform .25s;
}
.wa-float:hover { transform: scale(1.08); }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, .5); }
  70% { box-shadow: 0 0 0 16px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.visible { opacity: 1; transform: none; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .about-grid { grid-template-columns: 1fr; gap: 50px; }
  .about-visual { height: 280px; max-width: 420px; }
  .price-popular { transform: none; }
  .price-popular:hover { transform: translateY(-6px); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .card-float { display: none; }
}

@media (max-width: 720px) {
  .nav-menu, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .nav-menu.show {
    display: flex; position: absolute; top: 74px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 4px;
    background: #fff; border-bottom: 1px solid var(--line); border-radius: 0;
    padding: 16px 24px 24px; box-shadow: var(--shadow);
  }
  .nav-menu.show .nav-link { text-align: center; padding: 14px; }
  .hero { padding-top: 48px; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .about-points { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { justify-content: center; text-align: center; }
}