/* ============================================================
   CPM Growth Systems — Design System
   Premium dark theme: navy / black / electric blue / cyan
   ============================================================ */

:root {
  --bg: #04070f;
  --bg-raised: #070d1c;
  --navy: #0a1224;
  --panel: rgba(255, 255, 255, 0.04);
  --panel-strong: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.09);
  --border-bright: rgba(59, 130, 246, 0.45);
  --blue: #2563eb;
  --blue-bright: #3b82f6;
  --cyan: #22d3ee;
  --text: #e8eef8;
  --muted: #9aa7bd;
  --dim: #66738c;
  --radius: 16px;
  --radius-sm: 10px;
  --font-display: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;
  --shadow-glow: 0 0 40px rgba(37, 99, 235, 0.25);
  --gradient-accent: linear-gradient(135deg, #2563eb 0%, #22d3ee 100%);
  --max-w: 1180px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

::selection { background: rgba(37, 99, 235, 0.5); }

/* ---------- Typography ---------- */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.4rem, 5.5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); }
h3 { font-size: 1.25rem; }

p { color: var(--muted); }

.lead { font-size: clamp(1.05rem, 1.8vw, 1.25rem); color: var(--muted); }

.accent-text {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--cyan);
  opacity: 0.7;
}

/* ---------- Layout ---------- */

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

section { padding: 96px 0; position: relative; }
section.tight { padding: 64px 0; }

.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .eyebrow { justify-content: center; }
.section-head p { margin-top: 16px; }

.grid { display: grid; gap: 22px; }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }

@media (max-width: 920px) {
  .grid.cols-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid.cols-2, .grid.cols-3 { grid-template-columns: 1fr; }
  section { padding: 72px 0; }
}

/* ---------- Header / Nav ---------- */

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: background 0.3s ease, padding 0.3s ease, border-color 0.3s ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(4, 7, 15, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
  padding: 12px 0;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.12rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}
.logo-icon {
  width: 34px; height: 34px;
  color: #fff;
  flex-shrink: 0;
}
.logo-text {
  display: flex;
  flex-direction: column;
  gap: 3px;
  line-height: 1;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.logo-text small {
  font-size: 0.5rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--blue-bright);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a.active { color: var(--cyan); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  width: 42px; height: 38px;
  font-size: 1.15rem;
  cursor: pointer;
}

@media (max-width: 920px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed;
    inset: 0;
    top: 66px;
    background: rgba(4, 7, 15, 0.97);
    backdrop-filter: blur(16px);
    flex-direction: column;
    justify-content: flex-start;
    padding-top: 40px;
    gap: 26px;
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s ease, opacity 0.3s ease;
  }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-links a { font-size: 1.15rem; }
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--gradient-accent);
  color: #030610;
  box-shadow: 0 4px 24px rgba(37, 99, 235, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(34, 211, 238, 0.4); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover { border-color: var(--border-bright); background: rgba(37, 99, 235, 0.08); }
.btn-sm { padding: 9px 20px; font-size: 0.88rem; }
.btn-lg { padding: 16px 34px; font-size: 1.02rem; }

.btn-row { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- Cards ---------- */

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 28px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
  position: relative;
  overflow: hidden;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--border-bright);
  background: var(--panel-strong);
}
.card h3 { margin-bottom: 10px; }
.card p { font-size: 0.94rem; }
.card ul {
  list-style: none;
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.card ul li {
  color: var(--muted);
  font-size: 0.9rem;
  padding-left: 20px;
  position: relative;
}
.card ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 8px; height: 8px;
  border-radius: 2px;
  background: var(--gradient-accent);
  opacity: 0.85;
}

.card-icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: rgba(37, 99, 235, 0.14);
  border: 1px solid rgba(37, 99, 235, 0.3);
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  color: var(--cyan);
}
.card-icon svg { width: 22px; height: 22px; }

.card .card-tag {
  position: absolute;
  top: 22px; right: 22px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.25);
  padding: 4px 10px;
  border-radius: 999px;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  color: var(--cyan);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
}
.card-link:hover { text-decoration: underline; }

/* ---------- Hero ---------- */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 150px 0 90px;
  position: relative;
  isolation: isolate;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-size: cover;
  background-position: center;
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(4, 7, 15, 0.94) 0%, rgba(4, 7, 15, 0.72) 45%, rgba(4, 7, 15, 0.35) 100%),
    linear-gradient(0deg, var(--bg) 0%, transparent 28%);
}
.hero-inner { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: 56px; align-items: center; }
.hero h1 { margin: 18px 0 22px; }
.hero .lead { max-width: 560px; margin-bottom: 34px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(10px);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--muted);
}
.hero-badge .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  animation: pulse 2.2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.hero-visual {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.55), var(--shadow-glow);
}
.hero-visual img { width: 100%; height: auto; }

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  flex-wrap: wrap;
}
.hero-stat .num {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--text);
}
.hero-stat .num em { color: var(--cyan); font-style: normal; }
.hero-stat .label { font-size: 0.82rem; color: var(--dim); }

@media (max-width: 920px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding-top: 130px; }
}

/* ---------- Page hero (interior pages) ---------- */

.page-hero {
  padding: 170px 0 80px;
  position: relative;
  isolation: isolate;
  border-bottom: 1px solid var(--border);
}
.page-hero .hero-bg::after {
  background:
    linear-gradient(0deg, var(--bg) 4%, rgba(4, 7, 15, 0.78) 60%, rgba(4, 7, 15, 0.85) 100%);
}
.page-hero h1 { max-width: 800px; margin-bottom: 18px; }
.page-hero .lead { max-width: 680px; }

/* ---------- Pain section ---------- */

.pain-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 44px; }
.pain-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  font-size: 0.92rem;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.025);
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.pain-item::before {
  content: "✕";
  color: #f87171;
  font-size: 0.8rem;
  font-weight: 700;
  margin-top: 2px;
}
@media (max-width: 920px) { .pain-list { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .pain-list { grid-template-columns: 1fr; } }

/* ---------- Process / How it works ---------- */

.process {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  counter-reset: step;
  position: relative;
}
.process-step {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 22px;
  position: relative;
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.process-step:hover { border-color: var(--border-bright); transform: translateY(-4px); }
.process-step .step-num {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--cyan);
  margin-bottom: 14px;
  display: block;
}
.process-step h3 { font-size: 1.02rem; margin-bottom: 8px; }
.process-step p { font-size: 0.85rem; }
@media (max-width: 1020px) { .process { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .process { grid-template-columns: 1fr; } }

/* ---------- System / feature rows ---------- */

.system-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  padding: 56px 0;
  border-bottom: 1px solid var(--border);
}
.system-row:last-child { border-bottom: none; }
.system-row.flip .system-media { order: 2; }
.system-media {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.5);
  position: relative;
}
.system-media img { width: 100%; transition: transform 0.5s ease; }
.system-row:hover .system-media img { transform: scale(1.025); }
.system-copy h3 { font-size: 1.5rem; margin-bottom: 12px; }
.system-copy .sys-kicker {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  display: block;
  margin-bottom: 12px;
}
@media (max-width: 860px) {
  .system-row { grid-template-columns: 1fr; gap: 28px; }
  .system-row.flip .system-media { order: 0; }
}

/* ---------- Why / checklist ---------- */

.why-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.why-item {
  display: flex;
  gap: 16px;
  padding: 22px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.025);
}
.why-item .tick {
  flex-shrink: 0;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: rgba(34, 211, 238, 0.14);
  border: 1px solid rgba(34, 211, 238, 0.4);
  color: var(--cyan);
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 700;
}
.why-item h3 { font-size: 1rem; margin-bottom: 4px; }
.why-item p { font-size: 0.88rem; }
@media (max-width: 720px) { .why-grid { grid-template-columns: 1fr; } }

/* ---------- Founder ---------- */

.founder {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 56px;
  align-items: center;
}
.founder-media {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-glow);
}
@media (max-width: 860px) { .founder { grid-template-columns: 1fr; } }

/* ---------- Tools strip ---------- */

.tools-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}
.tool-chip {
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--muted);
  transition: border-color 0.2s, color 0.2s;
}
.tool-chip:hover { border-color: var(--border-bright); color: var(--text); }

/* ---------- Placeholders (Loom / screenshots) ---------- */

.placeholder-box {
  border: 1px dashed rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.02);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 48px 24px;
  color: var(--dim);
  min-height: 220px;
}
.placeholder-box .ph-icon {
  width: 54px; height: 54px;
  border-radius: 50%;
  background: rgba(37, 99, 235, 0.12);
  border: 1px solid rgba(37, 99, 235, 0.3);
  display: grid;
  place-items: center;
  margin: 0 auto 14px;
  color: var(--cyan);
  font-size: 1.2rem;
}
.placeholder-box strong { color: var(--muted); display: block; margin-bottom: 4px; font-weight: 600; }
.placeholder-box small { font-size: 0.82rem; }

/* ---------- Case study / testimonial cards ---------- */

.case-card { display: flex; flex-direction: column; }
.case-card .case-media {
  margin: -30px -28px 24px;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.case-card .case-media img { width: 100%; }
.case-metrics { display: flex; gap: 26px; margin-top: 18px; flex-wrap: wrap; }
.case-metric .num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--cyan);
}
.case-metric .label { font-size: 0.78rem; color: var(--dim); }

.testimonial-card blockquote {
  font-size: 1.02rem;
  color: var(--text);
  line-height: 1.6;
  margin-bottom: 20px;
}
.testimonial-card blockquote::before { content: "“"; color: var(--cyan); font-size: 1.5em; line-height: 0; margin-right: 2px; }
.testimonial-card .attribution { display: flex; align-items: center; gap: 12px; }
.testimonial-card .avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--gradient-accent);
  opacity: 0.75;
}
.testimonial-card .attribution strong { display: block; font-size: 0.92rem; }
.testimonial-card .attribution span { font-size: 0.8rem; color: var(--dim); }

/* ---------- CTA band ---------- */

.cta-band {
  position: relative;
  isolation: isolate;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--border-bright);
  padding: 72px 48px;
  text-align: center;
  background:
    radial-gradient(ellipse at 50% 120%, rgba(37, 99, 235, 0.35), transparent 65%),
    radial-gradient(ellipse at 85% -20%, rgba(34, 211, 238, 0.2), transparent 55%),
    var(--navy);
}
.cta-band h2 { margin-bottom: 14px; }
.cta-band p { max-width: 560px; margin: 0 auto 32px; }
.cta-band .btn-row { justify-content: center; }
.cta-band .fine { margin-top: 20px; font-size: 0.82rem; color: var(--dim); }

/* ---------- Forms ---------- */

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }

.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}
.field input, .field select, .field textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color 0.2s, background 0.2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--blue-bright);
  background: rgba(37, 99, 235, 0.07);
}
.field select option { background: var(--navy); }
.field textarea { min-height: 130px; resize: vertical; }

/* Honeypot — visually removed, still submitted; bots fill it, humans never see it */
.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

.form-note {
  margin-top: 18px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.3);
  color: var(--cyan);
  font-size: 0.92rem;
  display: none;
}
.form-note.show { display: block; }

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 64px 0 36px;
  background: var(--bg-raised);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-grid h4 {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--dim);
  margin-bottom: 16px;
}
.footer-grid ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-grid a { color: var(--muted); text-decoration: none; font-size: 0.92rem; }
.footer-grid a:hover { color: var(--cyan); }
.footer-brand p { font-size: 0.9rem; max-width: 300px; margin-top: 14px; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 26px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: var(--dim);
}
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }

/* ---------- Ambient background orbs ---------- */

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.35;
  pointer-events: none;
  z-index: -1;
}
.orb-blue { background: rgba(37, 99, 235, 0.45); width: 480px; height: 480px; }
.orb-cyan { background: rgba(34, 211, 238, 0.3); width: 380px; height: 380px; }

/* ---------- Reveal animations ---------- */

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

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

/* ---------- Animated workflow line (SVG helper) ---------- */

.flow-line path {
  stroke-dasharray: 8 8;
  animation: dashmove 1.4s linear infinite;
}
@keyframes dashmove { to { stroke-dashoffset: -16; } }

/* ---------- Utility ---------- */

.divider-glow {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.6), rgba(34, 211, 238, 0.6), transparent);
  border: none;
  margin: 0;
}
.text-center { text-align: center; }
.mt-2 { margin-top: 16px; }
.mt-4 { margin-top: 32px; }
.mt-6 { margin-top: 48px; }