/* ═══════════════════════════════════════════════════════════════
   AutoVizerz — Main Stylesheet
   ═══════════════════════════════════════════════════════════════ */

:root {
  --bg-dark:    #080c14;
  --bg-dark2:   #0d1220;
  --bg-light:   #f4f6fb;
  --bg-light2:  #ffffff;
  --accent:     #0055ff;
  --accent2:    #00c6ff;
  --accent3:    #7b2fff;
  --green:      #00e676;
  --amber:      #ffab00;
  --red:        #ff1744;
  --text-light: #e8edf8;
  --text-muted: #8a94b0;
  --text-dark:  #0d1220;
  --border:     rgba(255,255,255,0.08);
  --border-light: rgba(0,0,0,0.09);
  --radius:     14px;
  --radius-sm:  8px;
  --shadow:     0 8px 48px rgba(0,85,255,0.13);
  --shadow-card:0 2px 24px rgba(0,0,0,0.18);
  --font:       'Inter', sans-serif;
  --mono:       'JetBrains Mono', monospace;
  --transition: 0.25s ease;
  --max-width:  1220px;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  background: var(--bg-dark);
  color: var(--text-light);
  line-height: 1.65;
  overflow-x: hidden;
}

/* ─── Utility ─────────────────────────────────────────────────── */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section-dark  { background: var(--bg-dark);  padding: 96px 0; }
.section-light { background: var(--bg-light); padding: 96px 0; color: var(--text-dark); }
.section-cta   { background: linear-gradient(135deg, #0a0e1e 0%, #0d1a4a 100%); padding: 96px 0; }

.eyebrow {
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--accent2);
  margin-bottom: 12px;
}
.section-header { text-align: center; margin-bottom: 64px; }
.section-header h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); font-weight: 800; line-height: 1.2; margin-bottom: 16px; }
.section-sub { max-width: 700px; margin: 0 auto; color: var(--text-muted); font-size: 1.05rem; }
.section-light .section-sub { color: #5a6175; }
.gradient-text {
  background: linear-gradient(90deg, var(--accent2), var(--accent3));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

/* ─── NAV ──────────────────────────────────────────────────────── */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(8,12,20,0.85);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.nav-inner {
  max-width: var(--max-width); margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; gap: 32px; height: 64px;
}
.logo { font-size: 1.35rem; font-weight: 800; color: #fff; text-decoration: none; letter-spacing: -0.03em; }
.logo span { color: var(--accent2); }
.nav-links { display: flex; list-style: none; gap: 24px; margin-left: auto; }
.nav-links a { text-decoration: none; color: var(--text-muted); font-size: 0.9rem; font-weight: 500; transition: color var(--transition); }
.nav-links a:hover { color: #fff; }
.btn-nav {
  background: var(--accent); color: #fff; text-decoration: none;
  padding: 9px 20px; border-radius: 8px; font-size: 0.88rem; font-weight: 600;
  transition: background var(--transition), transform var(--transition);
  white-space: nowrap;
}
.btn-nav:hover { background: #0046d6; transform: translateY(-1px); }
.hamburger { display: none; background: none; border: none; color: #fff; font-size: 1.4rem; cursor: pointer; }

/* ─── HERO ─────────────────────────────────────────────────────── */
#hero {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  position: relative; padding: 120px 24px 80px; text-align: center;
  background: radial-gradient(ellipse at 50% 40%, rgba(0,85,255,0.15) 0%, transparent 65%),
              radial-gradient(ellipse at 80% 80%, rgba(123,47,255,0.10) 0%, transparent 50%),
              var(--bg-dark);
}
#particle-canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; opacity: 0.45; }
.hero-content { position: relative; z-index: 1; max-width: 900px; }
.badge {
  display: inline-block; background: rgba(0,198,255,0.12);
  border: 1px solid rgba(0,198,255,0.3); color: var(--accent2);
  padding: 7px 18px; border-radius: 999px; font-size: 0.82rem; font-weight: 600;
  margin-bottom: 24px; letter-spacing: 0.04em;
}
#hero h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); font-weight: 900; line-height: 1.1; margin-bottom: 24px; letter-spacing: -0.03em; }
.hero-sub { font-size: 1.15rem; color: var(--text-muted); max-width: 680px; margin: 0 auto 40px; line-height: 1.7; }
.hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 64px; }
.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent3) 100%);
  color: #fff; text-decoration: none; padding: 14px 32px; border-radius: 10px;
  font-weight: 700; font-size: 1rem;
  box-shadow: 0 4px 24px rgba(0,85,255,0.35);
  transition: transform var(--transition), box-shadow var(--transition);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,85,255,0.45); }
.btn-ghost {
  background: transparent; color: var(--text-light); text-decoration: none;
  padding: 14px 32px; border-radius: 10px; font-weight: 600; font-size: 1rem;
  border: 1px solid rgba(255,255,255,0.2); transition: border-color var(--transition), color var(--transition);
}
.btn-ghost:hover { border-color: rgba(255,255,255,0.5); color: #fff; }
.hero-stats { display: flex; justify-content: center; align-items: center; gap: 0; flex-wrap: wrap; }
.stat { padding: 0 40px; text-align: center; }
.stat-num { display: block; font-size: 2rem; font-weight: 900; color: var(--accent2); }
.stat-lbl { font-size: 0.82rem; color: var(--text-muted); }
.stat-divider { width: 1px; height: 50px; background: var(--border); }

/* ─── TWO-COL ──────────────────────────────────────────────────── */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.two-col.reverse { direction: rtl; }
.two-col.reverse > * { direction: ltr; }
.col-text h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); font-weight: 800; line-height: 1.2; margin-bottom: 20px; }
.col-text p { color: var(--text-muted); margin-bottom: 16px; line-height: 1.75; }
.col-text strong { color: var(--text-light); }
.quote-block {
  margin-top: 28px; padding: 20px 24px;
  background: rgba(0,198,255,0.07); border-left: 3px solid var(--accent2);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic; font-size: 0.95rem; color: var(--text-light);
}
.quote-block cite { display: block; font-style: normal; font-size: 0.82rem; color: var(--text-muted); margin-top: 8px; }

/* ─── TPS Card ─────────────────────────────────────────────────── */
.tps-card {
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; gap: 20px;
}
.tps-title { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent2); margin-bottom: 4px; }
.tps-item { display: flex; gap: 14px; align-items: flex-start; }
.tps-icon { font-size: 1.3rem; flex-shrink: 0; margin-top: 2px; }
.tps-item strong { display: block; font-weight: 700; margin-bottom: 2px; }
.tps-item div { font-size: 0.9rem; color: var(--text-muted); }

/* ─── PROBLEM GRID ─────────────────────────────────────────────── */
.problem-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.problem-card {
  background: var(--bg-light2); border: 1px solid var(--border-light);
  border-radius: var(--radius); padding: 28px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.problem-card:hover { transform: translateY(-4px); box-shadow: 0 8px 32px rgba(0,0,0,0.1); }
.problem-icon { font-size: 2rem; margin-bottom: 14px; }
.problem-card h4 { font-size: 1rem; font-weight: 700; color: var(--text-dark); margin-bottom: 10px; }
.problem-card p { font-size: 0.9rem; color: #5a6175; line-height: 1.65; }

/* ─── PLATFORM DIAGRAM ─────────────────────────────────────────── */
.platform-diagram {
  position: relative; display: flex; flex-direction: column;
  align-items: center; gap: 32px; margin-bottom: 48px;
}
.platform-core {
  width: 160px; height: 160px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent3) 100%);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  position: relative; box-shadow: 0 0 60px rgba(0,85,255,0.4);
}
.core-label { font-size: 0.78rem; font-weight: 700; text-align: center; line-height: 1.4; }
.core-pulse {
  position: absolute; inset: -8px; border-radius: 50%;
  border: 2px solid rgba(0,85,255,0.5);
  animation: pulse 2.5s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.08); opacity: 0.15; }
}
.platform-modules {
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; max-width: 800px;
}
.mod {
  background: rgba(255,255,255,0.05); border: 1px solid var(--border);
  border-radius: 8px; padding: 10px 18px; font-size: 0.88rem; font-weight: 600;
  cursor: pointer; transition: background var(--transition), border-color var(--transition), transform var(--transition);
  user-select: none;
}
.mod:hover, .mod.active {
  background: rgba(0,85,255,0.2); border-color: var(--accent);
  transform: translateY(-2px);
}
.module-detail {
  background: rgba(0,85,255,0.07); border: 1px solid rgba(0,85,255,0.2);
  border-radius: var(--radius); padding: 20px 28px; text-align: center;
  min-height: 64px; color: var(--text-muted); font-size: 0.95rem;
  transition: all 0.3s ease;
}
.automation-pillars { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; margin-top: 48px; }
.pillar {
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
}
.pillar-num { font-size: 2.4rem; font-weight: 900; color: var(--accent); opacity: 0.35; margin-bottom: 12px; font-family: var(--mono); }
.pillar h4 { font-weight: 700; margin-bottom: 10px; }
.pillar p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.65; }

/* ─── ECOSYSTEM HUB ────────────────────────────────────────────── */
.ecosystem-hub {
  position: relative; display: flex; flex-direction: column;
  align-items: center; gap: 40px; margin-bottom: 56px;
}
.eco-center {
  width: 120px; height: 120px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 100%);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  box-shadow: 0 0 48px rgba(0,198,255,0.35); flex-shrink: 0;
}
.eco-logo { font-size: 1.6rem; font-weight: 900; color: #fff; }
.eco-tagline { font-size: 0.65rem; color: rgba(255,255,255,0.8); text-align: center; font-weight: 600; }
.eco-partners { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; max-width: 900px; }
.eco-partner {
  background: var(--bg-light2); border: 1px solid var(--border-light);
  border-radius: var(--radius); padding: 18px 22px; text-align: center;
  flex: 1; min-width: 200px; max-width: 260px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.eco-partner:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,85,255,0.12); }
.eco-icon { font-size: 1.6rem; margin-bottom: 8px; }
.eco-partner strong { display: block; font-size: 0.88rem; color: var(--text-dark); margin-bottom: 4px; }
.eco-partner small { font-size: 0.75rem; color: #6b7494; }
.invisible-api {
  background: var(--bg-light2); border: 1px solid var(--border-light);
  border-radius: var(--radius); padding: 36px 40px;
}
.invisible-api h3 { font-size: 1.2rem; font-weight: 700; color: var(--text-dark); margin-bottom: 14px; }
.invisible-api p { color: #4a5568; margin-bottom: 24px; line-height: 1.7; }
.invisible-api strong { color: var(--text-dark); }
.api-example {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  background: #f7f9ff; border-radius: var(--radius-sm); padding: 16px 20px;
  margin-bottom: 16px; font-size: 0.82rem;
}
.api-step {
  background: #e8edf8; border-radius: 6px; padding: 6px 12px;
  font-weight: 500; color: var(--text-dark);
}
.api-step.active { background: var(--accent); color: #fff; }
.api-arrow { color: #9aa5c4; font-size: 1rem; }
.api-note { text-align: center; font-weight: 700; color: var(--accent); font-size: 0.9rem; margin-bottom: 0 !important; }

/* ─── AI GRID ──────────────────────────────────────────────────── */
.ai-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.ai-card {
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
  transition: border-color var(--transition), transform var(--transition);
}
.ai-card:hover { border-color: rgba(0,198,255,0.4); transform: translateY(-3px); }
.ai-card-icon { font-size: 2rem; margin-bottom: 14px; }
.ai-card h4 { font-weight: 700; margin-bottom: 10px; font-size: 1rem; }
.ai-card p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.65; margin-bottom: 16px; }
.ai-tech-label {
  font-size: 0.73rem; font-family: var(--mono); color: var(--accent2);
  background: rgba(0,198,255,0.08); border: 1px solid rgba(0,198,255,0.2);
  display: inline-block; padding: 4px 10px; border-radius: 4px;
}

/* ─── ARCHITECTURE ─────────────────────────────────────────────── */
.arch-grid { display: flex; flex-direction: column; gap: 3px; }
.arch-layer {
  background: rgba(255,255,255,0.03); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 18px 24px;
  display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
}
.arch-layer.highlight {
  background: rgba(0,85,255,0.1); border-color: rgba(0,85,255,0.4);
  box-shadow: 0 0 24px rgba(0,85,255,0.1);
}
.arch-layer-title { font-size: 0.78rem; font-weight: 700; color: var(--accent2); white-space: nowrap; min-width: 200px; }
.arch-items { display: flex; flex-wrap: wrap; gap: 8px; }
.arch-items span {
  font-size: 0.78rem; font-family: var(--mono);
  background: rgba(255,255,255,0.07); border: 1px solid var(--border);
  padding: 3px 10px; border-radius: 4px; color: var(--text-light);
}
.arch-layer.highlight .arch-items span { background: rgba(0,85,255,0.2); border-color: rgba(0,85,255,0.4); }
.section-light .arch-layer { background: #fff; border-color: var(--border-light); }
.section-light .arch-layer-title { color: var(--accent); }
.section-light .arch-items span { background: #eef2ff; border-color: #d0d9f7; color: var(--text-dark); }
.section-light .arch-layer.highlight { background: #eef2ff; border-color: #a3b4f5; }

/* ─── COMPARE TABLE ────────────────────────────────────────────── */
.compare-table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }
.compare-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.compare-table thead tr { background: rgba(255,255,255,0.06); }
.compare-table th {
  padding: 14px 16px; text-align: left; font-weight: 700;
  font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--text-muted); border-bottom: 1px solid var(--border);
}
.compare-table th.col-av { color: var(--accent2); }
.compare-table td { padding: 13px 16px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.compare-table tr:last-child td { border-bottom: none; }
.compare-table tr:hover td { background: rgba(255,255,255,0.02); }
.col-av { background: rgba(0,85,255,0.07); }
.col-av-cell { color: var(--green); font-weight: 600; }
.compare-note { font-size: 0.78rem; color: var(--text-muted); margin-top: 16px; font-style: italic; }

/* ─── ROI ──────────────────────────────────────────────────────── */
.roi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; margin-bottom: 64px; }
.roi-card {
  background: var(--bg-light2); border-radius: var(--radius); padding: 36px 32px;
  transition: transform var(--transition), box-shadow var(--transition);
  border: 2px solid transparent;
}
.roi-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.12); }
.roi-card.save  { border-color: rgba(0,230,118,0.3); }
.roi-card.make  { border-color: rgba(0,85,255,0.3); }
.roi-card.control { border-color: rgba(123,47,255,0.3); }
.roi-icon { font-size: 2.2rem; margin-bottom: 12px; }
.roi-label { font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.12em; color: #6b7494; margin-bottom: 8px; }
.roi-amount { font-size: 2rem; font-weight: 900; color: var(--text-dark); margin-bottom: 14px; line-height: 1.1; }
.roi-card p { font-size: 0.88rem; color: #4a5568; margin-bottom: 16px; line-height: 1.7; }
.roi-card ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.roi-card li { font-size: 0.85rem; color: #4a5568; display: flex; align-items: flex-start; gap: 8px; }
.roi-card li::before { content: "✓"; color: var(--accent); font-weight: 700; flex-shrink: 0; }

.value-formula {
  background: rgba(255,255,255,0.03); border: 1px solid var(--border-light);
  border-radius: var(--radius); padding: 40px;
  display: flex; flex-direction: column; gap: 16px;
}
.formula-line {
  display: flex; align-items: center; gap: 16px;
  font-size: 1rem; font-weight: 600; color: var(--text-dark); flex-wrap: wrap;
}
.formula-badge {
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em;
  padding: 4px 12px; border-radius: 999px; white-space: nowrap;
}
.basic  .formula-badge { background: #e8f5e9; color: #2e7d32; }
.better .formula-badge { background: #e3f2fd; color: #1565c0; }
.best   .formula-badge { background: linear-gradient(90deg, #ede7f6, #e3f2fd); color: #4527a0; }
.formula-principle {
  font-size: 0.85rem; color: #6b7494; padding-top: 12px;
  border-top: 1px solid var(--border-light); font-style: italic; text-align: center;
}

/* ─── WORKFLOW TIMELINE ────────────────────────────────────────── */
.workflow-timeline { display: flex; flex-direction: column; gap: 0; position: relative; margin-bottom: 40px; }
.workflow-timeline::before {
  content: ""; position: absolute; left: 23px; top: 0; bottom: 0;
  width: 2px; background: linear-gradient(180deg, var(--accent) 0%, var(--accent3) 100%);
}
.wf-step {
  display: flex; gap: 24px; padding: 24px 0; position: relative;
  opacity: 0; transform: translateX(-20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.wf-step.visible { opacity: 1; transform: none; }
.wf-dot {
  width: 48px; height: 48px; border-radius: 50%; flex-shrink: 0;
  background: var(--bg-dark); border: 2px solid var(--accent);
  display: flex; align-items: center; justify-content: center;
  position: relative; z-index: 1; margin-top: 4px;
  box-shadow: 0 0 16px rgba(0,85,255,0.4);
}
.wf-time { font-family: var(--mono); font-size: 0.75rem; color: var(--accent2); margin-bottom: 6px; }
.wf-content h4 { font-weight: 700; margin-bottom: 8px; }
.wf-content p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 12px; line-height: 1.6; }
.wf-systems { display: flex; flex-wrap: wrap; gap: 8px; }
.wf-systems span {
  font-size: 0.73rem; font-family: var(--mono);
  background: rgba(0,198,255,0.1); border: 1px solid rgba(0,198,255,0.25);
  color: var(--accent2); padding: 3px 10px; border-radius: 4px;
}
.wf-summary {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px 28px;
}
.wf-old { color: #ff6b6b; font-size: 0.9rem; text-decoration: line-through; }
.wf-arrow { color: var(--text-muted); font-size: 1.4rem; }
.wf-new { color: var(--green); font-weight: 700; font-size: 0.95rem; }

/* ─── CONTACT / CTA ────────────────────────────────────────────── */
.cta-content { max-width: 760px; margin: 0 auto; text-align: center; }
.cta-content h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; margin-bottom: 16px; line-height: 1.2; }
.cta-content p { color: var(--text-muted); margin-bottom: 40px; font-size: 1.05rem; line-height: 1.7; }
.contact-form { display: flex; flex-direction: column; gap: 14px; text-align: left; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.contact-form input, .contact-form select {
  background: rgba(255,255,255,0.07); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 13px 16px;
  color: var(--text-light); font-size: 0.9rem; font-family: var(--font); width: 100%;
  transition: border-color var(--transition), background var(--transition);
}
.contact-form input:focus, .contact-form select:focus {
  outline: none; border-color: var(--accent); background: rgba(255,255,255,0.1);
}
.contact-form input::placeholder { color: var(--text-muted); }
.contact-form select option { background: var(--bg-dark2); color: var(--text-light); }
.btn-submit {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent3) 100%);
  color: #fff; border: none; padding: 15px 36px; border-radius: 10px;
  font-size: 1rem; font-weight: 700; cursor: pointer; width: 100%;
  transition: opacity var(--transition), transform var(--transition);
  box-shadow: 0 4px 24px rgba(0,85,255,0.35);
}
.btn-submit:hover { opacity: 0.9; transform: translateY(-1px); }

/* ─── FOOTER ───────────────────────────────────────────────────── */
footer {
  background: #050810; border-top: 1px solid var(--border);
  padding: 64px 0 0;
}
.footer-inner { display: grid; grid-template-columns: 1.5fr 2fr; gap: 64px; margin-bottom: 48px; }
.footer-brand .logo { font-size: 1.5rem; display: block; margin-bottom: 12px; }
.footer-brand p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.7; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.footer-col h5 { font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.12em; color: var(--text-muted); margin-bottom: 14px; }
.footer-col a { display: block; font-size: 0.88rem; color: var(--text-muted); text-decoration: none; margin-bottom: 10px; transition: color var(--transition); }
.footer-col a:hover { color: var(--text-light); }
.footer-bottom { border-top: 1px solid var(--border); padding: 20px 24px; text-align: center; }
.footer-bottom p { font-size: 0.8rem; color: var(--text-muted); }

/* ─── SCROLL ANIMATIONS ────────────────────────────────────────── */
.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ─── RESPONSIVE ───────────────────────────────────────────────── */
@media (max-width: 900px) {
  .two-col { grid-template-columns: 1fr; }
  .two-col.reverse { direction: ltr; }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .hero-stats { gap: 0; }
  .stat { padding: 16px 24px; }
  .stat-divider { display: none; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .hamburger { display: block; margin-left: auto; }
  .btn-nav { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; position: fixed;
    top: 64px; left: 0; right: 0; background: var(--bg-dark2);
    padding: 24px; gap: 16px; border-bottom: 1px solid var(--border);
    z-index: 999;
  }
  .section-dark, .section-light, .section-cta { padding: 64px 0; }
  .invisible-api { padding: 24px; }
  .api-example { flex-direction: column; align-items: flex-start; }
  .api-arrow { transform: rotate(90deg); }
  .workflow-timeline::before { left: 19px; }
  .wf-dot { width: 40px; height: 40px; }
  .footer-links { grid-template-columns: 1fr; }
  .compare-table { font-size: 0.78rem; }
  .value-formula { padding: 24px; }
}