/* How It Works — page-specific styles */

/* Nav active state */
.nav-active { color: var(--ink) !important; font-weight: 600 !important; }

/* Hero */
.hiw-hero {
  padding: 6rem 2rem 3.5rem;
  border-bottom: 1px solid var(--border);
}
.hiw-hero-inner { max-width: 720px; margin: 0 auto; }
.hiw-eyebrow {
  font-size: .72rem; font-weight: 600; letter-spacing: .12em;
  text-transform: uppercase; color: var(--ink-3); margin-bottom: 1.1rem;
}
.hiw-heading {
  font-family: var(--serif);
  font-size: clamp(2.8rem, 6vw, 4.8rem);
  font-weight: 300; line-height: 1.1; letter-spacing: -.02em;
  color: var(--ink); margin-bottom: 1.2rem;
}
.hiw-heading em { font-style: italic; color: var(--ink-2); }
.hiw-desc {
  font-size: 1.05rem; color: var(--ink-2); line-height: 1.7;
  max-width: 560px; margin-bottom: 2rem;
}
.hiw-try-btn {
  display: inline-block; padding: .75rem 2rem;
  background: var(--navy); color: var(--cream);
  border-radius: 6px; font-size: .9rem; font-weight: 500;
  text-decoration: none; letter-spacing: .01em;
  transition: background .2s;
}
.hiw-try-btn:hover { background: var(--navy-lt); }

/* Shared inner container */
.hiw-inner { max-width: 960px; margin: 0 auto; }

/* Section label */
.hiw-section-label {
  font-size: .7rem; font-weight: 600; letter-spacing: .1em;
  text-transform: uppercase; color: var(--ink-3);
  margin-bottom: 1.2rem; padding-bottom: .5rem;
  border-bottom: 1px solid var(--border);
}

/* Diagram */
.hiw-diagram-section {
  padding: 3.5rem 2rem;
  background: rgba(255,255,255,.3);
  border-bottom: 1px solid var(--border);
}
.hiw-diagram {
  width: 100%; height: auto; border-radius: 12px;
  box-shadow: 0 2px 24px rgba(15,30,53,.1);
  display: block;
}

/* Three pillars */
.hiw-pillars { padding: 4rem 2rem; border-bottom: 1px solid var(--border); }
.hiw-pillars-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; margin-top: .5rem; }
.hiw-pillar {
  background: rgba(255,255,255,.45); border: 1px solid var(--border);
  border-radius: 12px; padding: 1.8rem 1.6rem;
}
.hiw-pillar-num {
  font-family: var(--serif); font-size: 2.8rem; font-weight: 300;
  color: var(--border); line-height: 1; margin-bottom: .7rem;
}
.hiw-pillar-title {
  font-family: var(--serif); font-size: 1.5rem; font-weight: 500;
  margin-bottom: .2rem; color: var(--ink);
}
.hiw-pillar-sub { font-size: .78rem; color: var(--ink-3); margin-bottom: 1rem; letter-spacing: .03em; }
.hiw-pillar-body { font-size: .9rem; color: var(--ink-2); line-height: 1.65; margin-bottom: 1.1rem; }
.hiw-pillar-body code {
  font-family: 'Courier New', monospace; font-size: .82em;
  background: rgba(15,30,53,.07); padding: .1em .35em; border-radius: 3px;
}
.hiw-pillar-list { list-style: none; display: flex; flex-direction: column; gap: .45rem; }
.hiw-pillar-list li {
  font-size: .86rem; color: var(--ink-2); padding-left: 1.1rem; position: relative; line-height: 1.5;
}
.hiw-pillar-list li::before { content: "-"; position: absolute; left: 0; color: var(--ink-3); }

/* Steps */
.hiw-steps { padding: 4rem 2rem; border-bottom: 1px solid var(--border); }
.hiw-steps-heading {
  font-family: var(--serif); font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 400; margin-bottom: 2.5rem; color: var(--ink);
}
.hiw-steps-list { list-style: none; display: flex; flex-direction: column; gap: 0; }
.hiw-step {
  display: flex; gap: 1.4rem; padding: 1.4rem 0;
  border-bottom: 1px solid var(--border);
}
.hiw-step:last-child { border-bottom: none; }
.hiw-step-num {
  flex-shrink: 0; width: 32px; height: 32px; border-radius: 50%;
  background: var(--navy); color: var(--cream);
  font-size: .78rem; font-weight: 600; display: flex;
  align-items: center; justify-content: center; margin-top: .1rem;
}
.hiw-step strong { display: block; font-size: .95rem; color: var(--ink); margin-bottom: .3rem; }
.hiw-step p { font-size: .88rem; color: var(--ink-2); line-height: 1.6; margin: 0; }
.hiw-step code {
  font-family: 'Courier New', monospace; font-size: .82em;
  background: rgba(15,30,53,.07); padding: .1em .35em; border-radius: 3px;
}

/* Security */
.hiw-security { padding: 4rem 2rem; border-bottom: 1px solid var(--border); }
.hiw-security-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-top: .5rem; }
.hiw-security-card {
  background: rgba(255,255,255,.45); border: 1px solid var(--border);
  border-radius: 10px; padding: 1.4rem 1.2rem;
  display: flex; flex-direction: column; gap: .55rem;
}
.hiw-security-card svg { color: var(--navy); flex-shrink: 0; }
.hiw-security-card strong { font-size: .88rem; color: var(--ink); }
.hiw-security-card p { font-size: .83rem; color: var(--ink-2); line-height: 1.55; margin: 0; }

/* Tech stack table */
.hiw-stack { padding: 4rem 2rem; border-bottom: 1px solid var(--border); }
.hiw-stack-table-wrap { overflow-x: auto; margin-top: .5rem; }
.hiw-stack-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.hiw-stack-table thead tr { border-bottom: 1.5px solid var(--border); }
.hiw-stack-table th {
  padding: .65rem 1rem; text-align: left;
  font-size: .7rem; font-weight: 600; letter-spacing: .07em;
  text-transform: uppercase; color: var(--ink-3);
}
.hiw-stack-table td { padding: .85rem 1rem; border-bottom: 1px solid var(--border); color: var(--ink-2); line-height: 1.5; }
.hiw-stack-table td:first-child { font-weight: 500; color: var(--ink); white-space: nowrap; }
.hiw-stack-table td:nth-child(2) { font-family: 'Courier New', monospace; font-size: .85rem; white-space: nowrap; }
.hiw-stack-table tbody tr:hover { background: rgba(255,255,255,.45); }

/* CTA */
.hiw-cta { padding: 5rem 2rem; }
.hiw-cta-inner { text-align: center; }
.hiw-cta-heading {
  font-family: var(--serif); font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 300; margin-bottom: .9rem; color: var(--ink);
}
.hiw-cta-desc { font-size: 1rem; color: var(--ink-2); margin-bottom: 2rem; }
.hiw-cta-links { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }
.hiw-cta-btn-primary {
  display: inline-block; padding: .8rem 2.2rem;
  background: var(--navy); color: var(--cream);
  border-radius: 6px; font-size: .9rem; font-weight: 500;
  text-decoration: none; transition: background .2s;
}
.hiw-cta-btn-primary:hover { background: var(--navy-lt); }
.hiw-cta-btn-secondary {
  display: inline-block; padding: .8rem 2.2rem;
  background: transparent; color: var(--ink);
  border: 1.5px solid var(--border); border-radius: 6px;
  font-size: .9rem; font-weight: 500; text-decoration: none;
  transition: border-color .2s, color .2s;
}
.hiw-cta-btn-secondary:hover { border-color: var(--navy); color: var(--navy); }

/* Responsive */
@media (max-width: 860px) {
  .hiw-pillars-grid { grid-template-columns: 1fr; }
  .hiw-security-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .hiw-hero { padding: 3.5rem 1.2rem 2.5rem; }
  .hiw-pillars, .hiw-steps, .hiw-security, .hiw-stack, .hiw-cta { padding: 3rem 1.2rem; }
  .hiw-diagram-section { padding: 2rem 1.2rem; }
  .hiw-security-grid { grid-template-columns: 1fr; }
  .hiw-cta-links { flex-direction: column; align-items: center; }
}