:root {
  --bg: #0B0B0D;
  --bg-alt: #131316;
  --bg-card: #17171b;
  --border: rgba(245,245,245,0.09);
  --yellow: #FFD21F;
  --text: #F5F5F5;
  --text-muted: #A3A3A8;
  --radius: 14px;
  --max: 1180px;
  --font-head: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  line-height: 1.15;
  margin: 0 0 .5em;
  font-weight: 700;
}

p { margin: 0 0 1em; color: var(--text-muted); }

a { color: inherit; text-decoration: none; }

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

.text-accent { color: var(--yellow); }

.tag {
  display: inline-block;
  color: var(--yellow);
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: .8rem;
  margin-bottom: .75rem;
}

.section-head { text-align: center; max-width: 640px; margin: 0 auto 3rem; }
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .85em 1.6em;
  border-radius: 999px;
  font-weight: 600;
  font-size: .95rem;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, background .2s ease, border-color .2s ease, color .2s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--yellow); color: #0B0B0D; }
.btn-primary:hover { background: #ffdb47; }
.btn-outline { border-color: var(--border); color: var(--text); background: transparent; }
.btn-outline:hover { border-color: var(--yellow); color: var(--yellow); }
.btn-small { padding: .55em 1.2em; font-size: .85rem; }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(11,11,13,0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 76px;
}
.brand { display: flex; align-items: center; gap: .6rem; }
.brand-word { display: flex; flex-direction: column; line-height: 1.1; font-family: var(--font-head); }
.brand-word strong { font-size: .82rem; letter-spacing: .06em; }
.brand-word em { font-style: normal; font-size: .65rem; letter-spacing: .18em; color: var(--yellow); }

.main-nav { display: flex; gap: 2rem; }
.main-nav a { color: var(--text-muted); font-weight: 500; font-size: .93rem; transition: color .2s; }
.main-nav a:hover { color: var(--yellow); }

.header-actions { display: flex; align-items: center; gap: 1rem; }

.lang-toggle {
  display: flex; align-items: center; gap: .3rem;
  background: transparent; border: 1px solid var(--border); color: var(--text-muted);
  border-radius: 999px; padding: .4em .9em; cursor: pointer; font-family: var(--font-body); font-size: .8rem; font-weight: 600;
}
.lang-toggle .lang-opt { padding: .1em .2em; color: var(--text-muted); transition: color .2s; }
.lang-toggle .lang-opt.active { color: var(--yellow); }
.lang-sep { opacity: .4; }

.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.hamburger span { width: 22px; height: 2px; background: var(--text); display: block; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 7rem 0 6rem;
  text-align: center;
  overflow: hidden;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,210,31,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,210,31,0.05) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.hero-inner { position: relative; z-index: 1; max-width: 760px; }
.eyebrow {
  color: var(--yellow); font-weight: 600; letter-spacing: .12em; font-size: .85rem;
  text-transform: uppercase; margin-bottom: 1.2rem;
}
.hero-title { font-size: clamp(2.2rem, 6vw, 3.6rem); margin-bottom: 1.1rem; }
.hero-subtitle { font-size: 1.1rem; max-width: 600px; margin: 0 auto 2.2rem; }
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ---------- Pillars ---------- */
.pillars { padding: 2rem 0 5rem; }
.pillars-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.pillar-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 2rem; transition: border-color .2s, transform .2s;
}
.pillar-card:hover { border-color: rgba(255,210,31,0.4); transform: translateY(-4px); }
.pillar-icon { font-size: 1.8rem; margin-bottom: 1rem; }
.pillar-card h3 { font-size: 1.15rem; }
.pillar-card p { margin: 0; font-size: .95rem; }

/* ---------- Services / Tabs ---------- */
.services { padding: 5rem 0; background: var(--bg-alt); }
.tabs { display: flex; justify-content: center; gap: .5rem; margin-bottom: 3rem; flex-wrap: wrap; }
.tab-btn {
  background: transparent; border: 1px solid var(--border); color: var(--text-muted);
  padding: .7em 1.5em; border-radius: 999px; cursor: pointer; font-family: var(--font-body);
  font-weight: 600; font-size: .9rem; transition: all .2s;
}
.tab-btn.active, .tab-btn:hover { background: var(--yellow); color: #0B0B0D; border-color: var(--yellow); }
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadein .35s ease; }
@keyframes fadein { from { opacity: 0; transform: translateY(6px);} to { opacity: 1; transform: translateY(0);} }

.tab-intro {
  text-align: center; max-width: 560px; margin: 0 auto 2.5rem; font-size: 1.05rem;
  color: var(--text); font-family: var(--font-head); font-weight: 500;
}

.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; align-items: stretch; }
.ai-grid { grid-template-columns: repeat(3, 1fr); }

.price-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 2rem; display: flex; flex-direction: column; position: relative;
}
.price-card h3 { font-size: 1.15rem; }
.price-card .price { font-family: var(--font-head); font-size: 1.8rem; font-weight: 700; color: var(--yellow); margin-bottom: 1rem; }
.price-card .price .per { font-size: 1rem; color: var(--text-muted); font-weight: 500; }
.price-card .price-desc { font-size: .92rem; flex-grow: 1; }
.price-card ul { list-style: none; padding: 0; margin: 0 0 1.5rem; flex-grow: 1; }
.price-card ul li {
  color: var(--text-muted); font-size: .92rem; padding: .4em 0 .4em 1.5em; position: relative;
}
.price-card ul li::before {
  content: "✓"; position: absolute; left: 0; color: var(--yellow); font-weight: 700;
}
.price-card.featured { border-color: var(--yellow); box-shadow: 0 0 0 1px rgba(255,210,31,0.25), 0 20px 40px -20px rgba(255,210,31,0.15); }

.promo-banner {
  background: var(--yellow); color: #0B0B0D; text-align: center;
  padding: .65em 1em; font-weight: 700; font-size: .92rem; letter-spacing: .01em;
}
.price-old {
  color: var(--text-muted); text-decoration: line-through; font-weight: 500;
  font-size: 1.1rem; margin-right: .4em;
}
.discount-tag {
  display: inline-block; background: var(--yellow); color: #0B0B0D;
  font-size: .68rem; font-weight: 700; padding: .2em .6em; border-radius: 999px;
  margin-left: .5em; vertical-align: middle; letter-spacing: .02em; white-space: nowrap;
}
.package-price .price-old { font-size: 1.1rem; }
.badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--yellow); color: #0B0B0D; font-size: .72rem; font-weight: 700;
  padding: .3em 1em; border-radius: 999px; letter-spacing: .04em; text-transform: uppercase;
}

.flow-example { margin-top: 3.5rem; text-align: center; }
.flow-label { color: var(--yellow); font-weight: 600; font-size: .85rem; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 1.2rem; }
.flow-diagram {
  display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: .8rem;
}
.flow-diagram span:not(.flow-arrow) {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 999px;
  padding: .6em 1.2em; font-size: .88rem; font-weight: 500;
}
.flow-arrow { color: var(--yellow); font-weight: 700; }

/* ---------- Portfolio ---------- */
.portfolio { padding: 5rem 0; }
.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.portfolio-card {
  display: block; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; transition: border-color .2s, transform .2s;
}
.portfolio-card:hover { border-color: rgba(255,210,31,0.4); transform: translateY(-4px); }
.portfolio-thumb { aspect-ratio: 16 / 9; overflow: hidden; background: var(--bg-alt); }
.portfolio-thumb img { width: 100%; height: 100%; object-fit: cover; object-position: top; display: block; transition: transform .3s; }
.portfolio-card:hover .portfolio-thumb img { transform: scale(1.04); }
.portfolio-info { padding: 1.4rem 1.5rem 1.6rem; }
.portfolio-info h3 { font-size: 1.05rem; margin-bottom: .35rem; }
.portfolio-info p { font-size: .88rem; margin-bottom: .9rem; }
.portfolio-link { color: var(--yellow); font-weight: 600; font-size: .88rem; }
.portfolio-cta { display: flex; align-items: center; justify-content: center; border-style: dashed; background: transparent; }
.portfolio-cta-inner { padding: 2rem 1.5rem; text-align: center; }
.portfolio-cta-inner h3 { font-size: 1.05rem; }
.portfolio-cta-inner p { font-size: .88rem; }

/* ---------- Packages ---------- */
.packages { padding: 5rem 0; }
.packages-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.package-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 2.5rem 2rem; text-align: center; position: relative;
}
.package-card h3 { font-size: 1.3rem; letter-spacing: .06em; }
.package-sub { color: var(--yellow); font-weight: 600; font-size: .85rem; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 1rem; }
.package-price { font-family: var(--font-head); font-size: 2.2rem; font-weight: 700; margin-bottom: 1rem; }
.package-desc { font-size: .93rem; min-height: 3.5em; }
.package-card.featured { border-color: var(--yellow); transform: scale(1.03); box-shadow: 0 20px 50px -20px rgba(255,210,31,0.25); }

/* ---------- About ---------- */
.about { padding: 6rem 0; background: var(--bg-alt); text-align: center; }
.about-inner { max-width: 700px; margin: 0 auto; }
.about blockquote {
  font-family: var(--font-head); font-size: clamp(1.3rem, 3vw, 1.8rem); font-weight: 600;
  margin: 0 0 1.5rem; color: var(--text);
}
.about-line { font-size: 1.05rem; margin-bottom: .3rem; }
.about-strong { font-family: var(--font-head); font-size: 1.3rem; font-weight: 700; color: var(--text); }

/* ---------- Social ---------- */
.social { padding: 5rem 0; text-align: center; }
.social-inner { display: flex; flex-direction: column; align-items: center; }
.brand-logo-lg { margin-bottom: 1.2rem; }
.social h2 { font-size: 1.6rem; }
.social-bio { display: flex; flex-direction: column; gap: .2rem; color: var(--text-muted); margin-bottom: 2rem; font-size: .95rem; }
.social-links { display: flex; gap: .8rem; flex-wrap: wrap; justify-content: center; }
.social-links a {
  border: 1px solid var(--border); border-radius: 999px; padding: .6em 1.4em; font-weight: 600; font-size: .88rem;
  transition: all .2s;
}
.social-links a:hover { border-color: var(--yellow); color: var(--yellow); }

/* ---------- Contact ---------- */
.contact { padding: 5rem 0 6rem; background: var(--bg-alt); }
.contact-inner { display: grid; grid-template-columns: 1fr 1.1fr; gap: 3rem; align-items: start; }
.contact-left h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
.contact-info { display: flex; flex-direction: column; gap: .5rem; margin-top: 1.5rem; }
.contact-info a { color: var(--yellow); font-weight: 600; font-size: 1.05rem; }
.contact-info span { color: var(--text-muted); font-size: .9rem; }

.contact-form {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 2rem; display: flex; flex-direction: column; gap: 1.1rem;
}
.contact-form label { display: flex; flex-direction: column; gap: .4rem; font-size: .88rem; color: var(--text-muted); font-weight: 500; }
.contact-form input, .contact-form select, .contact-form textarea {
  background: var(--bg); border: 1px solid var(--border); border-radius: 8px; color: var(--text);
  padding: .7em .9em; font-family: var(--font-body); font-size: .95rem; resize: vertical;
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--yellow);
}
.form-note { text-align: center; font-size: .85rem; margin: 0; min-height: 1em; color: var(--yellow); }

/* ---------- Footer ---------- */
.site-footer { padding: 3rem 0; border-top: 1px solid var(--border); }
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: .6rem; text-align: center; }
.footer-brand { display: flex; align-items: center; gap: .6rem; font-family: var(--font-head); font-weight: 600; }
.footer-tag { color: var(--yellow); font-size: .9rem; margin: 0; font-weight: 600; }
.footer-copy { font-size: .82rem; margin: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .main-nav { display: none; }
  .hamburger { display: flex; }
  .pillars-grid, .pricing-grid, .ai-grid, .packages-grid, .portfolio-grid { grid-template-columns: 1fr; }
  .package-card.featured { transform: none; }
  .contact-inner { grid-template-columns: 1fr; }
  .header-actions .btn-small { display: none; }

  .site-header.nav-open .main-nav {
    display: flex; flex-direction: column; position: absolute; top: 76px; left: 0; right: 0;
    background: var(--bg); border-bottom: 1px solid var(--border); padding: 1.5rem 24px; gap: 1.2rem;
  }
}

@media (max-width: 520px) {
  .hero { padding: 5rem 0 4rem; }
  .contact-form, .price-card, .package-card, .pillar-card { padding: 1.5rem; }
}