/* ============================================================
   PromBot.AI — Stylesheet
   Dark terminal aesthetic inspired by cortex-claw.com
   ============================================================ */

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

:root {
  --bg:          #080c10;
  --bg-2:        #0d1117;
  --bg-3:        #111820;
  --border:      #1e2a38;
  --border-2:    #253040;
  --text:        #c9d4e0;
  --text-dim:    #5a7080;
  --text-muted:  #3a5060;
  --accent:      #00e5ff;
  --accent-dim:  #0099b3;
  --accent-glow: rgba(0, 229, 255, 0.15);
  --green:       #00ff88;
  --yellow:      #ffd700;
  --red:         #ff4545;
  --warn:        #ffb800;
  --font-sans:   'Space Grotesk', system-ui, sans-serif;
  --font-mono:   'Space Mono', 'Courier New', monospace;
  --radius:      6px;
  --section-pad: 120px 24px;
  --max-w:       1100px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* --- SCROLLBAR --------------------------------------------- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-2); }
::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 3px; }

/* --- TYPOGRAPHY -------------------------------------------- */
h1, h2, h3 {
  font-family: var(--font-sans);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.accent { color: var(--accent); }

/* --- BUTTONS ----------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 22px;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn--primary {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
}
.btn--primary:hover {
  background: #fff;
  border-color: #fff;
  box-shadow: 0 0 24px var(--accent-glow);
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-2);
}
.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn--lg { padding: 14px 32px; font-size: 14px; }
.btn--sm { padding: 6px 14px; font-size: 11px; }
.btn--full { width: 100%; justify-content: center; }

/* --- NAV --------------------------------------------------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background 0.3s, border-color 0.3s;
}
.nav.scrolled {
  background: rgba(8, 12, 16, 0.92);
  backdrop-filter: blur(12px);
  border-bottom-color: var(--border);
}

.nav__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__logo {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #fff;
  margin-right: auto;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav__links a:not(.btn) {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  transition: color 0.2s;
}
.nav__links a:not(.btn):hover  { color: var(--accent); }
.nav__links a.nav-active       { color: var(--accent); }

.nav__menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.25s;
}

/* --- HERO -------------------------------------------------- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 140px 24px 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(0,229,255,0.07) 0%, transparent 70%),
    linear-gradient(180deg, transparent 60%, var(--bg) 100%);
  pointer-events: none;
}

.hero__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 28px;
}

.hero__title {
  font-size: clamp(42px, 8vw, 96px);
  color: #fff;
  margin-bottom: 28px;
}

.hero__sub {
  font-size: 18px;
  color: var(--text-dim);
  max-width: 560px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 32px;
}

.hero__badge {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 60px;
}

.badge-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* --- TERMINAL WINDOW --------------------------------------- */
.hero__preview {
  width: 100%;
  max-width: 680px;
  position: relative;
  z-index: 1;
}

.terminal-window {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  text-align: left;
  box-shadow:
    0 0 0 1px rgba(0,229,255,0.05),
    0 40px 80px rgba(0,0,0,0.6);
}

.terminal-window__bar {
  background: var(--bg-3);
  border-bottom: 1px solid var(--border);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot--red    { background: #ff5f56; }
.dot--yellow { background: #ffbd2e; }
.dot--green  { background: #27c93f; }

.terminal-window__title {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  margin-left: 6px;
}

.terminal-window__body {
  padding: 20px 24px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.9;
}

.terminal-line { opacity: 0; animation: fadeInLine 0.3s ease forwards; }
.terminal-line:nth-child(1)  { animation-delay: 0.2s; }
.terminal-line:nth-child(2)  { animation-delay: 0.7s; }
.terminal-line:nth-child(3)  { animation-delay: 1.0s; }
.terminal-line:nth-child(4)  { animation-delay: 1.3s; }
.terminal-line:nth-child(5)  { animation-delay: 1.6s; }
.terminal-line:nth-child(6)  { animation-delay: 2.2s; }
.terminal-line:nth-child(7)  { animation-delay: 2.7s; }
.terminal-line:nth-child(8)  { animation-delay: 3.0s; }
.terminal-line:nth-child(9)  { animation-delay: 3.3s; }
.terminal-line:nth-child(10) { animation-delay: 3.6s; }
.terminal-line:nth-child(11) { animation-delay: 4.0s; }

@keyframes fadeInLine {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.prompt { color: var(--accent); margin-right: 8px; }
.terminal-line.out { color: var(--text-dim); padding-left: 20px; }
.terminal-line.task { color: var(--text-muted); padding-left: 24px; font-size: 12px; }
.terminal-line.success { color: var(--green); padding-left: 20px; }

.blink {
  animation: blink 1s step-end infinite;
  color: var(--accent);
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* --- SECTION BASE ------------------------------------------ */
.section {
  padding: var(--section-pad);
  position: relative;
}

.section__inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.section__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 20px;
  text-align: center;
}

.section__title {
  font-size: clamp(32px, 5vw, 64px);
  color: #fff;
  text-align: center;
  margin-bottom: 16px;
}

.section__sub {
  font-size: 17px;
  color: var(--text-dim);
  text-align: center;
  max-width: 540px;
  margin: 0 auto 60px;
  line-height: 1.7;
}

/* --- PROBLEM ----------------------------------------------- */
.problem { background: var(--bg-2); }

.problem__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2px;
  margin-top: 60px;
  max-width: var(--max-w);
  margin-left: auto;
  margin-right: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.problem__col {
  background: var(--bg);
  padding: 40px 32px;
  border-right: 1px solid var(--border);
  transition: background 0.2s;
}
.problem__col:last-child { border-right: none; }
.problem__col:hover { background: var(--bg-3); }

.problem__number {
  font-family: var(--font-mono);
  font-size: 48px;
  font-weight: 700;
  color: var(--border-2);
  line-height: 1;
  margin-bottom: 20px;
}

.problem__col h3 {
  font-size: 13px;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  color: #fff;
  margin-bottom: 12px;
}

.problem__col p {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.7;
}

/* --- FEATURES ---------------------------------------------- */
.features { background: var(--bg); }

.features__tabs {
  display: flex;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  max-width: var(--max-w);
  margin: 48px auto 0;
}

.features__tab {
  flex: 1;
  padding: 14px 8px;
  background: var(--bg-2);
  border: none;
  border-right: 1px solid var(--border);
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: all 0.2s;
}
.features__tab:last-child { border-right: none; }
.features__tab:hover { background: var(--bg-3); color: var(--text); }
.features__tab.active {
  background: var(--bg-3);
  color: var(--accent);
  border-bottom: 2px solid var(--accent);
}

.features__panels {
  max-width: var(--max-w);
  margin: 0 auto;
}

.features__panel { display: none; }
.features__panel.active { display: block; }

.features__panel-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 48px 0;
  border-bottom: 1px solid var(--border);
}

.features__panel-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 12px;
  padding: 4px 10px;
  border: 1px solid var(--accent-dim);
  border-radius: 3px;
  display: inline-block;
}

.features__panel-text h3 {
  font-size: 28px;
  color: #fff;
  margin-bottom: 16px;
}

.features__panel-text p {
  font-size: 15px;
  color: var(--text-dim);
  line-height: 1.75;
  margin-bottom: 20px;
}

.features__panel-text ul li {
  font-size: 14px;
  color: var(--text-dim);
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.features__panel-text ul li::before {
  content: '→';
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 12px;
}

/* CODE BLOCK */
.code-block {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.code-block__label {
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  background: var(--bg-3);
  border-bottom: 1px solid var(--border);
  letter-spacing: 0.1em;
}

.code-block pre {
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
  overflow-x: auto;
}

.c-comment { color: var(--text-muted); }
.c-key { color: var(--accent); }

/* AUTOPILOT CARD */
.autopilot-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.autopilot-card__header {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  margin-bottom: 14px;
}

.autopilot-card__status { color: var(--green); }
.autopilot-card__time   { color: var(--text-dim); }

.autopilot-card__title {
  font-family: var(--font-mono);
  font-size: 13px;
  color: #fff;
  margin-bottom: 16px;
}

.autopilot-card__proposals { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }

.proposal {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 8px 12px;
  border-radius: 4px;
  border-left: 3px solid;
}
.proposal--warn { border-color: var(--warn); background: rgba(255,184,0,0.06); color: var(--warn); }
.proposal--info { border-color: var(--accent); background: rgba(0,229,255,0.06); color: var(--accent); }
.proposal--ok   { border-color: var(--green); background: rgba(0,255,136,0.06); color: var(--green); }

.autopilot-card__actions { display: flex; gap: 8px; }

/* DASHBOARD PREVIEW */
.dashboard-preview {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.dashboard-preview__header {
  padding: 12px 16px;
  background: var(--bg-3);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.1em;
}

.live-dot { color: var(--green); }

.dashboard-preview__metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border-bottom: 1px solid var(--border);
}

.metric {
  background: var(--bg-2);
  padding: 16px;
  text-align: center;
}

.metric__val {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 4px;
}

.metric__label {
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  font-family: var(--font-mono);
}

.dashboard-preview__tasks { padding: 12px 0; }

.task-row {
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
}
.task-row:last-child { border-bottom: none; }
.task-row--done    { color: var(--green); }
.task-row--running { color: var(--accent); }

/* SECURITY DIAGRAM */
.security-diagram {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  justify-content: center;
  padding: 32px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.sec-node {
  padding: 16px 20px;
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 12px;
  text-align: center;
  font-weight: 700;
  letter-spacing: 0.08em;
}
.sec-node--you     { color: var(--text); border-color: var(--border-2); }
.sec-node--gateway { color: var(--accent); border-color: var(--accent-dim); background: var(--accent-glow); }
.sec-node--robot   { color: var(--green); border-color: rgba(0,255,136,0.3); background: rgba(0,255,136,0.05); }

.sec-arrow {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.security-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.sec-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  padding: 5px 10px;
  border: 1px solid var(--border-2);
  border-radius: 3px;
  color: var(--text-dim);
}

/* --- ARCHITECTURE ------------------------------------------ */
.architecture { background: var(--bg-2); }

.arch__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1px;
  max-width: var(--max-w);
  margin: 60px auto 0;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.arch__card {
  background: var(--bg-2);
  padding: 36px 28px;
  transition: background 0.2s;
}
.arch__card:hover { background: var(--bg-3); }

.arch__card-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin-bottom: 14px;
}

.arch__card h3 {
  font-size: 15px;
  font-family: var(--font-mono);
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}

.arch__card p {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.7;
}

/* --- HOW IT WORKS ------------------------------------------ */
.hiw { background: var(--bg); }

.hiw__steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  max-width: var(--max-w);
  margin: 60px auto 0;
}

.hiw__step {
  flex: 1;
  padding: 32px 28px;
  border: 1px solid var(--border);
  background: var(--bg-2);
  transition: border-color 0.2s, background 0.2s;
  border-radius: var(--radius);
}
.hiw__step:hover {
  border-color: var(--accent-dim);
  background: var(--bg-3);
}

.hiw__step-num {
  font-family: var(--font-mono);
  font-size: 40px;
  font-weight: 700;
  color: var(--border-2);
  line-height: 1;
  margin-bottom: 4px;
}

.hiw__step-time {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 16px;
}

.hiw__step h3 {
  font-size: 14px;
  font-family: var(--font-mono);
  color: #fff;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}

.hiw__step p {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.7;
}

.hiw__connector {
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--border-2);
  padding: 0 12px;
  align-self: center;
  flex-shrink: 0;
}

/* --- WHY --------------------------------------------------- */
.why { background: var(--bg-2); }

.why__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: var(--max-w);
  margin: 60px auto 0;
}

.why__card {
  padding: 36px 32px;
  border: 1px solid var(--border);
  background: var(--bg);
  border-radius: var(--radius);
  transition: border-color 0.2s;
}
.why__card:hover { border-color: var(--accent-dim); }

.why__card-icon {
  font-size: 28px;
  color: var(--accent);
  margin-bottom: 20px;
}

.why__card h3 {
  font-size: 14px;
  font-family: var(--font-mono);
  color: #fff;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.why__card p {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.75;
  margin-bottom: 20px;
}

.why__card blockquote {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  border-left: 2px solid var(--accent-dim);
  padding-left: 14px;
  line-height: 1.6;
}

/* --- PRICING ----------------------------------------------- */
.pricing { background: var(--bg); }

.pricing__note {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  text-align: center;
  margin-top: 8px;
  margin-bottom: 52px;
}

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1px;
  max-width: var(--max-w);
  margin: 0 auto;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.pricing__card {
  background: var(--bg-2);
  padding: 40px 32px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.pricing__card--featured {
  background: var(--bg-3);
  box-shadow: inset 0 0 0 1px var(--accent-dim);
}

.pricing__card-badge {
  position: absolute;
  top: -1px; right: 24px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  background: var(--accent);
  color: #000;
  padding: 4px 10px;
  font-weight: 700;
  border-radius: 0 0 4px 4px;
}

.pricing__card-name {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.pricing__card-desc {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 24px;
  line-height: 1.5;
}

.pricing__card-price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 28px;
}

.price-amount {
  font-family: var(--font-mono);
  font-size: 52px;
  font-weight: 700;
  color: #fff;
  line-height: 1;
}

.price-unit {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.1em;
}

.pricing__card-features {
  flex: 1;
  margin-bottom: 28px;
  border-top: 1px solid var(--border);
}

.pricing__card-features li {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}

.feat-key {
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-size: 11px;
}

.feat-val {
  font-family: var(--font-mono);
  font-size: 13px;
  color: #fff;
}

/* --- CTA --------------------------------------------------- */
.cta {
  background: var(--bg-2);
  text-align: center;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.cta__sub {
  font-size: 18px;
  color: var(--text-dim);
  margin-bottom: 40px;
}

.cta__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.cta__note {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

/* --- FOOTER ------------------------------------------------ */
.footer {
  background: var(--bg);
  padding: 48px 24px 32px;
}

.footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.footer__brand p {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 8px;
}

.footer__links {
  display: flex;
  gap: 24px;
}

.footer__links a {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  transition: color 0.2s;
}
.footer__links a:hover { color: var(--accent); }

.footer__copy {
  max-width: var(--max-w);
  margin: 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  border-top: 1px solid var(--border);
  padding-top: 24px;
}

/* --- SCROLL REVEAL ----------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- RESPONSIVE -------------------------------------------- */
@media (max-width: 900px) {
  .hiw__steps {
    flex-direction: column;
  }
  .hiw__connector {
    transform: rotate(90deg);
    align-self: center;
    padding: 8px 0;
  }
  .features__panel-content {
    grid-template-columns: 1fr;
  }
  .features__tabs {
    flex-wrap: wrap;
  }
  .features__tab {
    flex: 1 1 calc(33% - 2px);
  }
  .dashboard-preview__metrics {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 680px) {
  :root { --section-pad: 80px 18px; }

  .nav__links {
    display: none;
    position: fixed;
    top: 65px; left: 0; right: 0;
    background: rgba(8, 12, 16, 0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--border);
  }
  .nav__links.open { display: flex; }
  .nav__menu-toggle { display: flex; }

  .hero__title { font-size: 38px; }
  .hero__sub { font-size: 15px; }
  .hero__actions { flex-direction: column; align-items: center; }

  .problem__grid { grid-template-columns: 1fr; }
  .problem__col  { border-right: none; border-bottom: 1px solid var(--border); }

  .arch__grid   { grid-template-columns: 1fr; }
  .pricing__grid { grid-template-columns: 1fr; }
  .why__grid    { grid-template-columns: 1fr; }

  .security-diagram { flex-direction: column; }

  .footer__inner { flex-direction: column; }
  .footer__links { flex-wrap: wrap; }
}