/* ═══════════════════════════════════════════════════
   LANDING PAGE CSS — Matches reference mockup
   D.D.os — Brutalist, cyberpunk, dark aesthetic
   ═══════════════════════════════════════════════════ */

/* ─── NAV ─────────────────────────────────────────── */
.dd-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 15, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(155, 93, 229, 0.15);
}
.dd-nav-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 40px;
}
.dd-nav-logo {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}
.dd-nav-logo:hover { color: var(--neon-purple); }
.dd-nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  flex: 1;
}
.dd-nav-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-muted);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color 0.2s, text-shadow 0.2s;
}
.dd-nav-link:hover {
  color: var(--fg);
  text-shadow: 0 0 8px rgba(155, 93, 229, 0.6);
}
.dd-nav-actions {
  flex-shrink: 0;
}
.dd-nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  background: var(--neon-purple);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 8px;
  transition: background 0.2s, box-shadow 0.2s;
  box-shadow: 0 0 12px rgba(155, 93, 229, 0.4);
}
.dd-nav-cta:hover {
  background: #7B3FD0;
  box-shadow: 0 0 20px rgba(155, 93, 229, 0.6);
}
.dd-nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.dd-nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--fg);
  border-radius: 2px;
}

/* ─── HERO ─────────────────────────────────────────── */
.dd-hero {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: #080c14;
}
.dd-hero-img-wrap {
  width: 100%;
  max-width: 100%;
  overflow: hidden;
}
.dd-hero-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  object-position: center top;
}
.dd-hero-tagline {
  margin-top: -2px;
  padding: 20px 24px;
  text-align: center;
  font-family: var(--font-display);
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.02em;
  background: #080c14;
  width: 100%;
}
.dd-hero-cta-wrap {
  padding: 0 24px 40px;
  background: #080c14;
  width: 100%;
  display: flex;
  justify-content: center;
}
.dd-hero-cta {
  display: inline-flex;
  align-items: center;
  padding: 16px 40px;
  background: var(--neon-purple);
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  text-decoration: none;
  border-radius: 12px;
  transition: background 0.2s, box-shadow 0.2s, transform 0.2s;
  box-shadow: 0 0 24px rgba(155, 93, 229, 0.5);
  letter-spacing: -0.01em;
}
.dd-hero-cta:hover {
  background: #7B3FD0;
  box-shadow: 0 0 40px rgba(155, 93, 229, 0.7);
  transform: translateY(-2px);
}

/* ─── STATS ROW ─────────────────────────────────────── */
.dd-stats {
  background: #0a0a0f;
  border-top: 1px solid rgba(155, 93, 229, 0.12);
  border-bottom: 1px solid rgba(155, 93, 229, 0.12);
  padding: 40px 24px;
}
.dd-stats-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}
.dd-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 60px;
}
.dd-stat-num {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--fg);
  line-height: 1;
}
.dd-stat-label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-top: 6px;
}
.dd-stat-sep {
  width: 1px;
  height: 60px;
  background: rgba(155, 93, 229, 0.2);
  flex-shrink: 0;
}

/* ─── FEATURE ICONS ROW ────────────────────────────── */
.dd-features-icons {
  background: #0c0c16;
  padding: 48px 24px;
  border-bottom: 1px solid rgba(155, 93, 229, 0.12);
}
.dd-features-icons-inner {
  max-width: 1160px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}
.dd-feat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 20px 36px;
  flex: 1;
  min-width: 120px;
}
.dd-feat-icon {
  font-size: 28px;
  line-height: 1;
  filter: drop-shadow(0 0 8px rgba(155, 93, 229, 0.5));
}
.dd-feat-label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

/* ─── MAIL OS COMMAND CENTER ───────────────────────── */
.dd-mail-os {
  background: #080810;
  padding: 100px 24px;
  border-top: 1px solid rgba(155, 93, 229, 0.12);
  border-bottom: 1px solid rgba(155, 93, 229, 0.12);
}
.dd-mail-os-inner {
  max-width: 1160px;
  margin: 0 auto;
}
.dd-mail-os-header {
  text-align: center;
  margin-bottom: 64px;
}
.dd-section-tag {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--neon-orange);
  margin-bottom: 16px;
  text-shadow: 0 0 10px rgba(255, 107, 53, 0.5);
}
.dd-mail-os-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--fg);
  line-height: 1.15;
}
.dd-mail-os-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-bottom: 48px;
}
.dd-mail-os-feat {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 28px;
  background: rgba(155, 93, 229, 0.05);
  border: 1px solid rgba(155, 93, 229, 0.12);
  border-radius: 12px;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.dd-mail-os-feat:hover {
  border-color: rgba(155, 93, 229, 0.3);
  box-shadow: 0 0 20px rgba(155, 93, 229, 0.1);
}
.dd-mail-feat-icon {
  width: 48px;
  height: 48px;
  background: rgba(155, 93, 229, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--neon-purple);
}
.dd-mail-feat-body h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.dd-mail-feat-body p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
}
.dd-mail-os-cta {
  display: flex;
  justify-content: center;
}
.dd-btn-primary {
  display: inline-flex;
  align-items: center;
  padding: 14px 36px;
  background: linear-gradient(135deg, var(--neon-purple), #7B3FD0);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 10px;
  transition: box-shadow 0.2s, transform 0.2s;
  box-shadow: 0 0 20px rgba(155, 93, 229, 0.4);
}
.dd-btn-primary:hover {
  box-shadow: 0 0 32px rgba(155, 93, 229, 0.6);
  transform: translateY(-2px);
}

/* ─── PRICING ───────────────────────────────────────── */
.dd-pricing {
  background: #0a0a0f;
  padding: 100px 24px;
  border-top: 1px solid rgba(155, 93, 229, 0.12);
}
.dd-pricing-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.dd-pricing-header {
  text-align: center;
  margin-bottom: 56px;
}
.dd-pricing-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4.5vw, 52px);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--fg);
  line-height: 1.1;
  margin-bottom: 12px;
}
.dd-pricing-subtitle {
  font-size: 16px;
  color: var(--fg-muted);
  font-style: italic;
}
.dd-pricing-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  align-items: start;
}
.dd-tier-card {
  background: var(--surface);
  border: 1px solid rgba(155, 93, 229, 0.15);
  border-radius: 14px;
  padding: 28px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}
.dd-tier-card:hover {
  border-color: rgba(155, 93, 229, 0.4);
  box-shadow: 0 0 24px rgba(155, 93, 229, 0.15);
  transform: translateY(-4px);
}
.dd-tier-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--neon-purple);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 99px;
  letter-spacing: 0.06em;
  white-space: nowrap;
  box-shadow: 0 0 10px rgba(155, 93, 229, 0.5);
}
.dd-tier-badge--orange {
  background: var(--neon-orange);
  box-shadow: 0 0 10px rgba(255, 107, 53, 0.5);
}
.dd-tier-icon {
  font-size: 32px;
  margin-bottom: 8px;
}
.dd-tier-name {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--neon-purple);
  margin-bottom: 6px;
  text-shadow: 0 0 8px rgba(155, 93, 229, 0.4);
}
.dd-tier--founderz .dd-tier-name { color: var(--neon-orange); text-shadow: 0 0 8px rgba(255, 107, 53, 0.5); }
.dd-tier-tagline {
  font-size: 12px;
  color: var(--fg-muted);
  font-style: italic;
  margin-bottom: 16px;
  line-height: 1.4;
  min-height: 34px;
  display: flex;
  align-items: center;
}
.dd-tier-price {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 4px;
}
.dd-tier-price--founderz {
  font-size: 36px;
  color: var(--neon-orange);
  text-shadow: 0 0 12px rgba(255, 107, 53, 0.4);
}
.dd-tier-price-note {
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-muted);
}
.dd-tier-price-type {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--neon-orange);
  margin-bottom: 12px;
  text-shadow: 0 0 6px rgba(255, 107, 53, 0.4);
}
.dd-tier-cta {
  display: block;
  width: 100%;
  padding: 10px 16px;
  text-align: center;
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 8px;
  border: 1px solid rgba(155, 93, 229, 0.3);
  color: var(--fg);
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}
.dd-tier-cta:hover {
  border-color: var(--neon-purple);
  background: rgba(155, 93, 229, 0.1);
  box-shadow: 0 0 10px rgba(155, 93, 229, 0.3);
}
.dd-tier-cta--primary {
  background: var(--neon-purple);
  color: #fff;
  border-color: var(--neon-purple);
  box-shadow: 0 0 10px rgba(155, 93, 229, 0.4);
}
.dd-tier-cta--primary:hover {
  background: #7B3FD0;
  box-shadow: 0 0 20px rgba(155, 93, 229, 0.6);
}
.dd-tier-cta--founderz {
  background: linear-gradient(135deg, var(--neon-orange), #ff9a56);
  color: #000;
  border-color: transparent;
  font-weight: 700;
  box-shadow: 0 0 16px rgba(255, 107, 53, 0.5);
}
.dd-tier-cta--founderz:hover {
  box-shadow: 0 0 28px rgba(255, 107, 53, 0.7);
  transform: translateY(-1px);
}
.dd-tier-features {
  list-style: none;
  width: 100%;
  text-align: left;
}
.dd-tier-features li {
  font-size: 11px;
  color: var(--fg-muted);
  padding: 5px 0;
  border-top: 1px solid rgba(155, 93, 229, 0.08);
}
.dd-tier--founderz .dd-tier-features li {
  color: var(--fg);
}
.dd-tier--featured {
  border-color: rgba(155, 93, 229, 0.3);
  background: #12121e;
  box-shadow: 0 0 30px rgba(155, 93, 229, 0.15);
}
.dd-tier--founderz {
  border-color: rgba(255, 107, 53, 0.3);
  background: #0e0a06;
  box-shadow: 0 0 30px rgba(255, 107, 53, 0.12);
}
.dd-pricing-footer {
  margin-top: 40px;
  text-align: center;
  font-size: 14px;
  color: var(--fg-muted);
}
.dd-pricing-footer strong { color: var(--neon-orange); }

/* ─── FOOTER ─────────────────────────────────────────── */
.dd-footer {
  background: #060608;
  border-top: 1px solid rgba(155, 93, 229, 0.1);
  padding: 40px 24px;
}
.dd-footer-inner {
  max-width: 1160px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
}
.dd-footer-brand {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  color: var(--fg);
  letter-spacing: -0.02em;
}
.dd-footer-sub {
  font-size: 12px;
  color: var(--fg-muted);
  opacity: 0.6;
}
.dd-footer-links {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}
.dd-footer-links a {
  font-size: 12px;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.dd-footer-links a:hover { color: var(--neon-purple); }
.dd-footer-links span {
  color: var(--fg-muted);
  opacity: 0.3;
  font-size: 12px;
}

/* ─── RESPONSIVE ────────────────────────────────────── */
@media (max-width: 900px) {
  .dd-nav-links { display: none; }
  .dd-nav-actions { display: none; }
  .dd-nav-hamburger { display: flex; }

  .dd-stats-inner { flex-wrap: wrap; gap: 24px; }
  .dd-stat { padding: 0 20px; }
  .dd-stat-sep { display: none; }

  .dd-features-icons-inner { gap: 0; }
  .dd-feat-item { padding: 16px 20px; min-width: 90px; }

  .dd-mail-os-features { grid-template-columns: 1fr; }

  .dd-pricing-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .dd-tier-card:last-child { grid-column: 1 / -1; }
}

@media (max-width: 480px) {
  .dd-pricing-grid { grid-template-columns: 1fr; }
  .dd-tier-card:last-child { grid-column: auto; }
}