/* NDISOS - Main Stylesheet */

:root {
  --navy: #0a0f1e;
  --navy-mid: #111827;
  --navy-light: #1a2540;
  --green: #00e87a;
  --green-dim: #00b85f;
  --white: #f0f4ff;
  --muted: #8892a4;
  --border: rgba(255,255,255,0.07);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  background: var(--navy);
  color: var(--white);
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, .syne { font-family: 'Syne', sans-serif; }

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* ── NAV ── */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 6%;
  background: rgba(10,15,30,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.site-logo {
  font-family: 'Syne', sans-serif;
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--white);
  text-decoration: none;
}

.site-logo span { color: var(--green); }

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--white); }

.nav-cta {
  background: var(--green) !important;
  color: var(--navy) !important;
  padding: 0.55rem 1.3rem !important;
  border-radius: 6px;
  font-family: 'Syne', sans-serif;
  font-weight: 700 !important;
}

.nav-cta:hover { background: var(--green-dim) !important; }

/* ── BUTTONS ── */
.btn-primary {
  background: var(--green);
  color: var(--navy);
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  padding: 0.9rem 2rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
  display: inline-block;
}

.btn-primary:hover {
  background: var(--green-dim);
  transform: translateY(-1px);
  box-shadow: 0 8px 30px rgba(0,232,122,0.25);
  color: var(--navy);
}

.btn-ghost {
  color: var(--white);
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  opacity: 0.7;
  transition: opacity 0.2s;
}

.btn-ghost:hover { opacity: 1; color: var(--white); }

/* ── SECTION BASE ── */
.section { padding: 6rem 6%; position: relative; }
.section--dark { background: var(--navy-mid); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.section-label {
  font-family: 'Syne', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -1px;
  max-width: 700px;
  line-height: 1.1;
}

.section-sub {
  color: var(--muted);
  max-width: 560px;
  margin-top: 1rem;
  font-size: 1.05rem;
}

/* ── HERO ── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 8rem 6% 5rem;
  position: relative;
}

.hero-glow {
  position: absolute;
  top: 20%; left: 50%;
  transform: translateX(-50%);
  width: 700px; height: 400px;
  background: radial-gradient(ellipse, rgba(0,232,122,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0,232,122,0.1);
  border: 1px solid rgba(0,232,122,0.25);
  color: var(--green);
  font-family: 'Syne', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 0.4rem 1rem;
  border-radius: 100px;
  margin-bottom: 2rem;
  animation: fadeUp 0.6s ease both;
}

.hero-badge::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -2px;
  max-width: 900px;
  animation: fadeUp 0.6s 0.1s ease both;
}

.hero h1 em { font-style: normal; color: var(--green); }

.hero-sub {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 560px;
  margin: 1.5rem auto 2.5rem;
  animation: fadeUp 0.6s 0.2s ease both;
}

.cta-group {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  animation: fadeUp 0.6s 0.3s ease both;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  margin-top: 4rem;
  animation: fadeUp 0.6s 0.4s ease both;
}

.stat-item { text-align: center; }
.stat-num { font-family: 'Syne', sans-serif; font-size: 2rem; font-weight: 800; color: var(--green); }
.stat-label { font-size: 0.8rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; }

/* ── PROBLEM ── */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.problem-card {
  background: var(--navy-light);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.8rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s;
}

.problem-card:hover { border-color: rgba(0,232,122,0.3); }

.problem-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--green), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.problem-card:hover::before { opacity: 1; }
.problem-icon { font-size: 1.8rem; margin-bottom: 1rem; }
.problem-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.5rem; }
.problem-card p { font-size: 0.9rem; color: var(--muted); line-height: 1.6; }

/* ── HOW IT WORKS ── */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  margin-top: 3.5rem;
}

.step-num {
  font-family: 'Syne', sans-serif;
  font-size: 3.5rem;
  font-weight: 800;
  color: rgba(0,232,122,0.15);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.step h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.6rem; }
.step p { font-size: 0.9rem; color: var(--muted); }

/* ── PRICING ── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
  max-width: 1000px;
}

.pricing-card {
  background: var(--navy-light);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.2rem;
  position: relative;
  transition: transform 0.3s, border-color 0.3s;
}

.pricing-card:hover { transform: translateY(-4px); }

.pricing-card.featured {
  border-color: var(--green);
  background: linear-gradient(135deg, var(--navy-light), rgba(0,232,122,0.05));
}

.featured-badge {
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  background: var(--green);
  color: var(--navy);
  font-family: 'Syne', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 0.3rem 1rem;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-tier {
  font-family: 'Syne', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 0.8rem;
}

.pricing-card h3 { font-size: 1.4rem; font-weight: 700; margin-bottom: 0.5rem; }

.price { display: flex; align-items: baseline; gap: 0.3rem; margin: 1.2rem 0; }
.price-currency { font-family: 'Syne', sans-serif; font-size: 1.2rem; font-weight: 600; color: var(--muted); }
.price-amount { font-family: 'Syne', sans-serif; font-size: 3rem; font-weight: 800; line-height: 1; }
.price-period { font-size: 0.9rem; color: var(--muted); }
.pricing-desc { font-size: 0.88rem; color: var(--muted); margin-bottom: 1.5rem; min-height: 40px; }

.pricing-features { list-style: none; display: flex; flex-direction: column; gap: 0.7rem; margin-bottom: 2rem; }
.pricing-features li { display: flex; align-items: flex-start; gap: 0.6rem; font-size: 0.88rem; color: var(--muted); }
.pricing-features li::before { content: '✓'; color: var(--green); font-weight: 700; flex-shrink: 0; margin-top: 1px; }

.pricing-cta {
  display: block;
  text-align: center;
  padding: 0.85rem;
  border-radius: 8px;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

.pricing-cta.primary { background: var(--green); color: var(--navy); }
.pricing-cta.primary:hover { background: var(--green-dim); transform: translateY(-1px); color: var(--navy); }
.pricing-cta.secondary { background: transparent; color: var(--white); border: 1px solid var(--border); }
.pricing-cta.secondary:hover { border-color: rgba(255,255,255,0.3); color: var(--white); }

/* ── TESTIMONIALS ── */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.testimonial-card {
  background: var(--navy-light);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 1rem; right: 1.5rem;
  font-size: 5rem;
  color: var(--green);
  opacity: 0.15;
  font-family: 'Syne', sans-serif;
  line-height: 1;
}

.testimonial-text { font-size: 0.95rem; line-height: 1.7; margin-bottom: 1.5rem; color: rgba(240,244,255,0.85); font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 0.8rem; }

.author-avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green), var(--navy-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--navy);
  flex-shrink: 0;
}

.author-name { font-weight: 600; font-size: 0.9rem; }
.author-role { font-size: 0.8rem; color: var(--muted); }

.placeholder-note {
  display: inline-block;
  background: rgba(0,232,122,0.08);
  border: 1px solid rgba(0,232,122,0.15);
  color: var(--green);
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  margin-bottom: 1rem;
}

/* ── FAQ ── */
.faq-list { max-width: 720px; margin-top: 3rem; display: flex; flex-direction: column; gap: 1rem; }

.faq-item {
  background: var(--navy-light);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  color: var(--white);
  font-family: 'Syne', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  padding: 1.3rem 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.faq-arrow { color: var(--green); font-size: 1.2rem; transition: transform 0.3s; flex-shrink: 0; }
.faq-item.open .faq-arrow { transform: rotate(45deg); }
.faq-answer { display: none; padding: 0 1.5rem 1.3rem; font-size: 0.9rem; color: var(--muted); line-height: 1.7; }
.faq-item.open .faq-answer { display: block; }

/* ── CTA BAND ── */
.cta-band {
  text-align: center;
  background: linear-gradient(135deg, var(--navy-light), var(--navy-mid));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.cta-band h2 { font-size: clamp(2rem, 4vw, 3.2rem); max-width: 700px; margin: 0 auto 1rem; }
.cta-band p { color: var(--muted); margin-bottom: 2.5rem; font-size: 1.05rem; }

/* ── FOOTER ── */
.site-footer {
  padding: 2.5rem 6%;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copy { font-size: 0.8rem; color: var(--muted); }

.divider { border: none; border-top: 1px solid var(--border); margin: 0; }

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero-stats { gap: 1.5rem; flex-wrap: wrap; justify-content: center; }
  .stat-num { font-size: 1.5rem; }
}