/* ==========================================================================
   Ryno Systems — Network Security for Normal People
   Main stylesheet. Dark navy/charcoal theme with cyan/blue accents.
   ========================================================================== */

/* ---------- Design tokens ---------- */
:root {
  --bg:            #0a0e1a;
  --bg-alt:        #0d1220;
  --card:          #1a1f2e;
  --card-hover:    #202636;
  --border:        #262d40;
  --border-glow:   #2b3a55;
  --text:          #e0e0e0;
  --text-dim:      #9aa4b8;
  --text-faint:    #6b7488;
  --accent:        #00d4ff;
  --accent-2:      #2196f3;
  --accent-deep:   #0a6d8a;
  --white:         #ffffff;

  --radius:        14px;
  --radius-sm:     8px;
  --maxw:          1140px;
  --gap:           1.5rem;

  --shadow:        0 10px 30px rgba(0, 0, 0, 0.35);
  --shadow-glow:   0 8px 40px rgba(0, 212, 255, 0.12);

  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', ui-monospace, 'Courier New', monospace;

  --t-fast: 0.15s ease;
  --t:      0.25s ease;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { max-width: 100%; display: block; }

a { color: var(--accent); text-decoration: none; transition: color var(--t-fast); }
a:hover { color: var(--white); }

h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; color: var(--white); letter-spacing: -0.02em; }
h1 { font-size: clamp(2.1rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.5rem); }
h3 { font-size: 1.25rem; }

p { color: var(--text-dim); }

ul { list-style: none; }

code, .mono { font-family: var(--mono); }

/* ---------- Layout helpers ---------- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 1.25rem; }

.section { padding: clamp(3.5rem, 8vw, 6rem) 0; }
.section--alt { background: var(--bg-alt); }

.section-head { max-width: 680px; margin: 0 auto 3rem; text-align: center; }
.section-head p { margin-top: 0.85rem; font-size: 1.08rem; }

.eyebrow {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.9rem;
}

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.98rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform var(--t-fast), box-shadow var(--t), background var(--t), border-color var(--t);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  color: #04121b;
  box-shadow: 0 6px 20px rgba(0, 212, 255, 0.25);
}
.btn--primary:hover { color: #04121b; box-shadow: 0 10px 30px rgba(0, 212, 255, 0.4); }

.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-glow);
}
.btn--ghost:hover { color: var(--white); border-color: var(--accent); background: rgba(0, 212, 255, 0.06); }

.btn--sm { padding: 0.6rem 1.1rem; font-size: 0.9rem; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--white);
  letter-spacing: -0.03em;
}
.brand:hover { color: var(--white); }
.brand svg { width: 30px; height: 30px; }
.brand span { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.nav-links a {
  color: var(--text-dim);
  padding: 0.5rem 0.85rem;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--t-fast), background var(--t-fast);
}
.nav-links a:hover { color: var(--white); background: rgba(255,255,255,0.04); }
.nav-links a.active { color: var(--accent); }
.nav-links .btn { margin-left: 0.5rem; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: transform var(--t), opacity var(--t);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: clamp(4rem, 10vw, 7rem) 0 clamp(3.5rem, 8vw, 6rem);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 50% at 75% 0%, rgba(0, 212, 255, 0.10), transparent 60%),
    radial-gradient(50% 60% at 10% 20%, rgba(33, 150, 243, 0.10), transparent 55%);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(38, 45, 64, 0.35) 1px, transparent 1px),
    linear-gradient(90deg, rgba(38, 45, 64, 0.35) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(70% 60% at 50% 20%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(70% 60% at 50% 20%, #000 0%, transparent 75%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero-inner { max-width: 780px; }
.hero h1 { margin-bottom: 1.25rem; }
.hero h1 .grad {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero .lede { font-size: clamp(1.05rem, 2vw, 1.3rem); color: var(--text-dim); max-width: 620px; margin-bottom: 2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; }

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.hero-badge { display: flex; align-items: center; gap: 0.5rem; color: var(--text-faint); font-size: 0.9rem; }
.hero-badge svg { width: 18px; height: 18px; color: var(--accent); flex-shrink: 0; }

/* ---------- Cards / Grid ---------- */
.grid { display: grid; gap: var(--gap); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: transform var(--t), border-color var(--t), box-shadow var(--t), background var(--t);
  position: relative;
}
.card:hover {
  transform: translateY(-5px);
  border-color: var(--border-glow);
  background: var(--card-hover);
  box-shadow: var(--shadow-glow);
}
.card h3 { margin-bottom: 0.6rem; }
.card p { font-size: 0.96rem; }

.card-link { display: block; color: inherit; }
.card-link:hover { color: inherit; }

/* icon chip */
.icon-chip {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.15rem;
  background: linear-gradient(135deg, rgba(0,212,255,0.15), rgba(33,150,243,0.08));
  border: 1px solid rgba(0, 212, 255, 0.2);
}
.icon-chip svg { width: 26px; height: 26px; color: var(--accent); }

.card-more {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--accent);
}
.card-more svg { width: 15px; height: 15px; transition: transform var(--t-fast); }
.card:hover .card-more svg { transform: translateX(4px); }

/* ---------- Why / feature list ---------- */
.feature {
  display: flex;
  gap: 1.1rem;
  align-items: flex-start;
}
.feature .icon-chip { flex-shrink: 0; margin-bottom: 0; }
.feature h3 { margin-bottom: 0.4rem; }

/* ---------- Process steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap); counter-reset: step; }
.step { position: relative; padding-top: 0.5rem; }
.step-num {
  font-family: var(--mono);
  font-size: 2.4rem;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--accent-deep);
  line-height: 1;
  margin-bottom: 0.75rem;
  display: block;
}
.step h3 { margin-bottom: 0.4rem; }
.step p { font-size: 0.94rem; }
.step::after {
  content: "";
  position: absolute;
  top: 1.1rem;
  left: 3.2rem;
  right: -0.75rem;
  height: 1px;
  background: linear-gradient(90deg, var(--border-glow), transparent);
}
.step:last-child::after { display: none; }

/* ---------- CTA band ---------- */
.cta-band {
  position: relative;
  border-radius: var(--radius);
  padding: clamp(2.5rem, 6vw, 4rem);
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(80% 120% at 50% 0%, rgba(0, 212, 255, 0.14), transparent 60%),
    var(--card);
  border: 1px solid var(--border-glow);
}
.cta-band h2 { margin-bottom: 0.9rem; }
.cta-band p { max-width: 520px; margin: 0 auto 1.75rem; font-size: 1.08rem; }
.cta-actions { display: flex; gap: 0.9rem; justify-content: center; flex-wrap: wrap; }

/* ---------- Testimonials ---------- */
.quote {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
}
.quote-mark { font-family: var(--mono); font-size: 2.5rem; color: var(--accent-deep); line-height: 0.5; height: 1rem; }
.quote p { color: var(--text); font-size: 1rem; font-style: italic; margin: 1rem 0; }
.quote-by { color: var(--text-faint); font-size: 0.88rem; font-family: var(--mono); }
.placeholder-note {
  text-align: center;
  color: var(--text-faint);
  font-size: 0.9rem;
  margin-top: 1.5rem;
  font-family: var(--mono);
}

/* ---------- Page header (interior pages) ---------- */
.page-hero {
  position: relative;
  padding: clamp(3.5rem, 8vw, 5.5rem) 0 clamp(2.5rem, 5vw, 3.5rem);
  text-align: center;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.page-hero::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(60% 80% at 50% 0%, rgba(0, 212, 255, 0.09), transparent 65%);
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero p { max-width: 620px; margin: 1rem auto 0; font-size: 1.1rem; }

/* ---------- Services detail ---------- */
.service-block {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 2.5rem;
  align-items: center;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border);
}
.service-block:last-child { border-bottom: none; }
.service-block.reverse .service-visual { order: 2; }
.service-info h2 { font-size: 1.75rem; margin-bottom: 0.4rem; }
.service-price { font-family: var(--mono); color: var(--accent); font-size: 0.95rem; margin-bottom: 1.1rem; }
.service-includes { margin-top: 1.25rem; }
.check-list li {
  position: relative;
  padding-left: 1.8rem;
  margin-bottom: 0.6rem;
  color: var(--text-dim);
  font-size: 0.96rem;
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.35rem;
  width: 18px; height: 18px;
  background: rgba(0,212,255,0.12);
  border: 1px solid rgba(0,212,255,0.35);
  border-radius: 5px;
}
.check-list li::after {
  content: "";
  position: absolute;
  left: 6px; top: 0.5rem;
  width: 5px; height: 9px;
  border: solid var(--accent);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* Service visual — CSS-only graphic panel */
.service-visual {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background:
    radial-gradient(circle at 30% 30%, rgba(0,212,255,0.14), transparent 45%),
    radial-gradient(circle at 75% 70%, rgba(33,150,243,0.12), transparent 45%),
    var(--card);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.service-visual::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(43, 58, 85, 0.4) 1px, transparent 1px),
    linear-gradient(90deg, rgba(43, 58, 85, 0.4) 1px, transparent 1px);
  background-size: 30px 30px;
  mask-image: radial-gradient(circle at 50% 50%, #000, transparent 75%);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000, transparent 75%);
}
.service-visual svg { width: 96px; height: 96px; color: var(--accent); position: relative; z-index: 1; filter: drop-shadow(0 0 20px rgba(0,212,255,0.4)); }

/* ---------- Comparison table ---------- */
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }
table.compare {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
  background: var(--card);
}
table.compare th, table.compare td {
  padding: 1rem 1.15rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}
table.compare thead th {
  color: var(--white);
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--bg-alt);
}
table.compare tbody td:first-child { color: var(--text); font-weight: 500; }
table.compare td { color: var(--text-dim); }
table.compare tr:last-child td { border-bottom: none; }
table.compare .yes { color: var(--accent); font-weight: 600; }
table.compare .no { color: var(--text-faint); }
table.compare .price-cell { font-family: var(--mono); color: var(--accent); }

/* ---------- About ---------- */
.prose { max-width: 760px; margin: 0 auto; }
.prose p { font-size: 1.06rem; margin-bottom: 1.25rem; color: var(--text-dim); }
.prose h2 { margin: 2.5rem 0 1rem; }
.prose h3 { margin: 1.75rem 0 0.75rem; color: var(--accent); }

.pull-quote {
  border-left: 3px solid var(--accent);
  padding: 0.5rem 0 0.5rem 1.5rem;
  margin: 2rem 0;
  font-size: 1.25rem;
  color: var(--white);
  font-weight: 500;
  font-style: italic;
}

.tag-cloud { display: flex; flex-wrap: wrap; gap: 0.65rem; margin-top: 1rem; }
.tag {
  font-family: var(--mono);
  font-size: 0.85rem;
  padding: 0.45rem 0.9rem;
  border-radius: 20px;
  background: rgba(0,212,255,0.07);
  border: 1px solid rgba(0,212,255,0.2);
  color: var(--text-dim);
  transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}
.tag:hover { color: var(--accent); border-color: var(--accent); background: rgba(0,212,255,0.12); }

/* ---------- Blog ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 0.6rem; justify-content: center; margin-bottom: 2.5rem; }
.filter-btn {
  font-family: var(--mono);
  font-size: 0.85rem;
  padding: 0.5rem 1.1rem;
  border-radius: 20px;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text-dim);
  cursor: pointer;
  transition: all var(--t-fast);
}
.filter-btn:hover { border-color: var(--border-glow); color: var(--white); }
/* CSS-only category filter via radio + :checked */
.filter-radio { position: absolute; opacity: 0; pointer-events: none; }
.filter-radio:checked + .filter-btn { background: var(--accent); color: #04121b; border-color: var(--accent); }

.post-card { display: flex; flex-direction: column; height: 100%; }
.post-thumb {
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-sm);
  margin-bottom: 1.15rem;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
}
.post-thumb--1 { background: radial-gradient(circle at 30% 40%, rgba(0,212,255,0.25), transparent 55%), linear-gradient(135deg, #101828, #1a2438); }
.post-thumb--2 { background: radial-gradient(circle at 70% 30%, rgba(33,150,243,0.28), transparent 55%), linear-gradient(135deg, #0f1a26, #142033); }
.post-thumb--3 { background: radial-gradient(circle at 50% 60%, rgba(0,212,255,0.22), transparent 55%), linear-gradient(135deg, #131826, #1c1f33); }
.post-thumb::after {
  content: "";
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(43,58,85,0.35) 1px, transparent 1px), linear-gradient(90deg, rgba(43,58,85,0.35) 1px, transparent 1px);
  background-size: 24px 24px;
}
.post-thumb svg { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 56px; height: 56px; color: var(--white); opacity: 0.9; z-index: 1; }
.post-meta { display: flex; gap: 0.75rem; align-items: center; font-family: var(--mono); font-size: 0.78rem; color: var(--text-faint); margin-bottom: 0.6rem; }
.post-cat { color: var(--accent); }
.post-card h3 { margin-bottom: 0.5rem; }
.post-card p { font-size: 0.94rem; flex-grow: 1; }

/* ---------- Article (blog post) ---------- */
.article { max-width: 760px; margin: 0 auto; }
.article-header { text-align: center; margin-bottom: 2.5rem; }
.article-header h1 { font-size: clamp(1.9rem, 4vw, 2.8rem); margin: 1rem 0; }
.article-body p { font-size: 1.08rem; margin-bottom: 1.35rem; color: var(--text-dim); }
.article-body h2 { font-size: 1.6rem; margin: 2.5rem 0 1rem; }
.article-body h3 { font-size: 1.25rem; margin: 1.75rem 0 0.75rem; color: var(--accent); }
.article-body ul { margin: 0 0 1.35rem 0; }
.article-body ul li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.6rem;
  color: var(--text-dim);
  font-size: 1.05rem;
}
.article-body ul li::before {
  content: "▸";
  position: absolute; left: 0;
  color: var(--accent);
}
.article-body strong { color: var(--text); }
.article-body a { text-decoration: underline; text-underline-offset: 3px; }
.callout {
  background: var(--card);
  border: 1px solid var(--border-glow);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
}
.callout p { margin: 0; color: var(--text); font-size: 1rem; }
.callout strong { color: var(--accent); }
.article-back { display: inline-flex; align-items: center; gap: 0.4rem; font-family: var(--mono); font-size: 0.85rem; margin-bottom: 1.5rem; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 3rem; align-items: start; }
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.5rem;
}
.form-group label .req { color: var(--accent); }
.form-control {
  width: 100%;
  padding: 0.8rem 1rem;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.98rem;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.form-control:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.12);
}
.form-control::placeholder { color: var(--text-faint); }
textarea.form-control { resize: vertical; min-height: 140px; }
.form-error { color: #ff7a7a; font-size: 0.82rem; margin-top: 0.35rem; display: none; }
.form-group.invalid .form-error { display: block; }
.form-group.invalid .form-control { border-color: #ff7a7a; }
.form-note { font-size: 0.85rem; color: var(--text-faint); margin-top: 1rem; }
.form-success {
  display: none;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  color: var(--accent);
  margin-bottom: 1.5rem;
}
.form-success.show { display: block; }

.contact-aside .info-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}
.info-card h3 { font-size: 1.05rem; margin-bottom: 0.75rem; display: flex; align-items: center; gap: 0.5rem; }
.info-card h3 svg { width: 18px; height: 18px; color: var(--accent); }
.info-card p { font-size: 0.94rem; }
.email-big {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--mono);
  font-size: 1.05rem;
  color: var(--accent);
  font-weight: 500;
  word-break: break-all;
}
.expect-list li {
  position: relative;
  padding-left: 1.6rem;
  margin-bottom: 0.7rem;
  font-size: 0.94rem;
  color: var(--text-dim);
}
.expect-list li::before {
  content: "→";
  position: absolute; left: 0;
  color: var(--accent);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 3.5rem 0 2rem;
  margin-top: 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}
.footer-brand .brand { margin-bottom: 1rem; }
.footer-brand p { font-size: 0.92rem; max-width: 280px; }
.footer-col h4 {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 1rem;
}
.footer-col a { display: block; color: var(--text-dim); font-size: 0.92rem; padding: 0.3rem 0; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  color: var(--text-faint);
  font-size: 0.85rem;
}
.footer-bottom .mono { font-family: var(--mono); }

/* ---------- Reveal-on-scroll animation ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .step::after { display: none; }
  .service-block { grid-template-columns: 1fr; gap: 1.5rem; }
  .service-block.reverse .service-visual { order: 0; }
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 1.25rem 1.25rem;
    transform: translateY(-120%);
    transition: transform var(--t);
    max-height: calc(100vh - 68px);
    overflow-y: auto;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 0.85rem 0.5rem; border-bottom: 1px solid var(--border); }
  .nav-links .btn { margin: 0.75rem 0 0; justify-content: center; }
  .grid--4, .grid--3, .grid--2 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-actions .btn, .cta-actions .btn { flex: 1 1 auto; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}