/* PostfixMe — Promotional Website Styles
   Contemporary dark UI, glass morphism, electric blue accent */

/* ─── Custom Properties ──────────────────────────────────────── */
:root {
  --bg:            #060d1f;
  --bg-raised:     #0c1633;
  --card:          #111e42;
  --card-hover:    #162550;
  --border:        rgba(99, 153, 255, 0.14);
  --border-strong: rgba(99, 153, 255, 0.30);

  --accent:        #3b82f6;
  --accent-light:  #60a5fa;
  --accent-dark:   #1d4ed8;
  --accent-glow:   rgba(59, 130, 246, 0.35);
  --accent-subtle: rgba(59, 130, 246, 0.08);

  --text:          #e8f0fe;
  --text-muted:    #8ba3cc;
  --text-dim:      #4d6899;
  --highlight:     #bfdbfe;

  --green:         #34d399;
  --green-bg:      rgba(52, 211, 153, 0.10);
  --amber:         #fbbf24;
  --red:           #f87171;

  --gradient-hero:   linear-gradient(180deg, #07101f 0%, #0b162e 60%, #060d1f 100%);
  --gradient-accent: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
  --gradient-card:   linear-gradient(135deg, rgba(30,64,175,0.15) 0%, rgba(59,130,246,0.04) 100%);
  --gradient-glass:  linear-gradient(135deg, rgba(255,255,255,0.07) 0%, rgba(255,255,255,0.02) 100%);

  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --radius-xl:   32px;

  --shadow-card: 0 4px 24px rgba(0,0,0,0.45), 0 1px 0 var(--border);
  --shadow-glow: 0 0 60px var(--accent-glow);

  --font-sans: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;

  --max-w: 1140px;
  --section-gap: 120px;
}

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

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

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(59,130,246,0.35); color: #fff; }

/* ─── Typography ─────────────────────────────────────────────── */
h1 { font-size: clamp(2.6rem, 6vw, 4.8rem); font-weight: 800; line-height: 1.05; letter-spacing: -0.03em; }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 700; line-height: 1.1; letter-spacing: -0.025em; }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); font-weight: 600; line-height: 1.25; letter-spacing: -0.015em; }
h4 { font-size: 1.1rem; font-weight: 600; letter-spacing: -0.01em; }
p  { color: var(--text-muted); }

a { color: var(--accent-light); text-decoration: none; }
a:hover { text-decoration: underline; }

code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: rgba(59,130,246,0.12);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.15em 0.45em;
  color: var(--accent-light);
}

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

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 100px;
  border: 1px solid var(--border-strong);
  background: var(--accent-subtle);
  color: var(--accent-light);
}

.badge--green {
  background: var(--green-bg);
  border-color: rgba(52,211,153,0.3);
  color: var(--green);
}

.section-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

/* Fade-in on scroll */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s 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; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ─── Navigation ─────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: background 0.3s, border-color 0.3s, backdrop-filter 0.3s;
}

.nav.scrolled {
  background: rgba(6, 13, 31, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  text-decoration: none;
}

.nav__brand:hover { text-decoration: none; }

.nav__logo {
  width: 34px; height: 34px;
  background: var(--gradient-accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 900;
  color: #fff;
  box-shadow: 0 2px 12px rgba(59,130,246,0.4);
  flex-shrink: 0;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav__links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: -0.01em;
  transition: color 0.2s;
}
.nav__links a:hover {
  color: var(--text);
  text-decoration: none;
}

.nav__cta {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 20px;
  background: var(--accent);
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 600;
  color: #fff !important;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 2px 16px rgba(59,130,246,0.35);
  flex-shrink: 0;
}

.nav__cta:hover {
  background: var(--accent-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 24px rgba(59,130,246,0.50);
  text-decoration: none;
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.nav__hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text-muted);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

@media (max-width: 768px) {
  .nav__links, .nav__cta { display: none; }
  .nav__hamburger { display: flex; }

  /* Expand the nav bar itself to contain the menu — no absolute positioning,
     no pixel offsets. Brand + hamburger stay on row 1 via flex order;
     links on row 2; CTA on row 3. */
  .nav.menu-open {
    background: rgba(6,13,31,0.97) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
  }
  .nav.menu-open .nav__inner {
    flex-wrap: wrap;
    align-content: flex-start;
    padding-bottom: 20px;
  }
  .nav.menu-open .nav__links {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    gap: 20px;
    padding-top: 16px;
    order: 3;
  }
  .nav.menu-open .nav__cta {
    display: flex;
    order: 4;
    margin-top: 8px;
  }
}

/* ─── Hero ───────────────────────────────────────────────────── */
.hero {
  background: var(--gradient-hero);
  padding: 160px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px; left: 50%;
  transform: translateX(-20%);
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(59,130,246,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: var(--border);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero__pre {
  margin-bottom: 20px;
}

.hero__headline {
  background: linear-gradient(160deg, #ffffff 0%, #bfdbfe 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 24px;
}

.hero__body {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 500px;
  line-height: 1.65;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  margin-bottom: 52px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: var(--gradient-accent);
  border-radius: var(--radius-xl);
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 24px rgba(59,130,246,0.40);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 36px rgba(59,130,246,0.55);
  text-decoration: none;
  color: #fff;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(99,153,255,0.5);
  transform: translateY(-1px);
  text-decoration: none;
  color: var(--text);
}

.hero__disclaimer {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: rgba(251, 191, 36, 0.07);
  border: 1px solid rgba(251,191,36,0.25);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  max-width: 500px;
}

.hero__disclaimer-icon { font-size: 1rem; flex-shrink: 0; margin-top: 2px; }

.hero__disclaimer p {
  font-size: 0.875rem;
  color: rgba(251,191,36,0.85);
  line-height: 1.5;
}

/* ─── Phone Mockup ───────────────────────────────────────────── */
.hero__visual {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 20px;
}

.phone-mockup {
  position: relative;
  width: 280px;
  filter: drop-shadow(0 40px 80px rgba(0,0,0,0.6)) drop-shadow(0 0 40px rgba(59,130,246,0.2));
}

.phone-mockup__shell {
  width: 280px;
  height: 560px;
  background: linear-gradient(145deg, #1c2a4a 0%, #0f1a33 60%, #0a1228 100%);
  border-radius: 44px;
  border: 1.5px solid rgba(255,255,255,0.12);
  position: relative;
  overflow: hidden;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.1), inset 0 -1px 0 rgba(0,0,0,0.3);
}

/* Dynamic Island */
.phone-mockup__island {
  position: absolute;
  top: 14px; left: 50%;
  transform: translateX(-50%);
  width: 110px; height: 30px;
  background: #050a12;
  border-radius: 20px;
  z-index: 10;
}

/* Screen */
.phone-mockup__screen {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(180deg, #0e1a35 0%, #091228 100%);
  border-radius: 42px;
  overflow: hidden;
  padding: 58px 16px 28px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* App content inside phone */
.phone-screen__nav {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  margin-bottom: 4px;
  padding: 4px 0;
}

.phone-screen__nav-top {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 3px;
}

.phone-screen__nav-bottom {
  display: flex;
  justify-content: flex-start;
}

.phone-screen__nav-title {
  font-size: 10px;
  font-weight: 700;
  color: rgba(255,255,255,0.85);
  letter-spacing: -0.02em;
}

.phone-screen__nav-btn {
  width: 20px; height: 20px;
  background: rgba(59,130,246,0.15);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  color: var(--accent-light);
}

.phone-screen__search {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  padding: 5px 8px;
  display: flex;
  align-items: center;
  gap: 5px;
  margin-top: auto;
  margin-bottom: 0;
}

.phone-screen__search-icon { font-size: 7px; color: var(--text-dim); }
.phone-screen__search-text { font-size: 7px; color: var(--text-dim); }

.phone-screen__list { display: flex; flex-direction: column; gap: 6px; }

.phone-screen__alias {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 9px;
  padding: 8px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.phone-screen__alias-info {}
.phone-screen__alias-from { font-size: 7.5px; font-weight: 600; color: rgba(255,255,255,0.85); }
.phone-screen__alias-to   { font-size: 6.5px; color: rgba(139,163,204,0.8); margin-top: 1px; }

.phone-screen__alias-meta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  min-width: 8px;
}

.phone-screen__alias-dot {
  width: 6px; height: 6px; border-radius: 3px;
  background: var(--green);
  box-shadow: 0 0 5px rgba(52,211,153,0.6);
}
.phone-screen__alias-dot.inactive { background: var(--text-dim); box-shadow: none; }

.phone-screen__alias-chevron {
  font-size: 7px;
  line-height: 1;
  color: rgba(255,255,255,0.55);
  font-weight: 700;
}

.phone-screen__alias--active {}

/* Glare overlay */
.phone-mockup__glare {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 50%;
  background: linear-gradient(180deg, rgba(255,255,255,0.04) 0%, transparent 100%);
  border-radius: 42px 42px 0 0;
  pointer-events: none;
}

/* Side buttons */
.phone-mockup__btn-right {
  position: absolute;
  right: -3px; top: 140px;
  width: 3px; height: 60px;
  background: rgba(255,255,255,0.09);
  border-radius: 0 2px 2px 0;
}

.phone-mockup__btn-left-1 {
  position: absolute;
  left: -3px; top: 120px;
  width: 3px; height: 30px;
  background: rgba(255,255,255,0.09);
  border-radius: 2px 0 0 2px;
}

.phone-mockup__btn-left-2 {
  position: absolute;
  left: -3px; top: 165px;
  width: 3px; height: 50px;
  background: rgba(255,255,255,0.09);
  border-radius: 2px 0 0 2px;
}

@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; text-align: center; gap: 48px; }
  .hero__body { max-width: 100%; margin-left: auto; margin-right: auto; }
  .hero__actions { justify-content: center; }
  .hero__disclaimer { margin: 0 auto; }
  .hero__visual { order: -1; }
  .phone-mockup { width: 240px; }
  .phone-mockup__shell { width: 240px; height: 480px; }
}

/* ─── Trust Bar ──────────────────────────────────────────────── */
.trust-bar {
  padding: 36px 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg-raised);
}

.trust-bar__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px 32px;
}

.trust-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: -0.01em;
}

.trust-pill__icon {
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.trust-sep {
  width: 1px; height: 20px;
  background: var(--border);
}

@media (max-width: 640px) {
  .trust-sep { display: none; }
}

/* ─── Section base ───────────────────────────────────────────── */
.section {
  padding: var(--section-gap) 0;
}

.section--alt {
  background: var(--bg-raised);
}

.section__header {
  text-align: center;
  margin-bottom: 64px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.section__header p {
  font-size: 1.1rem;
  margin-top: 16px;
  line-height: 1.65;
}

/* ─── Who It's For ───────────────────────────────────────────── */
.audience {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.audience__copy h2 {
  margin-bottom: 20px;
}

.audience__copy p {
  font-size: 1.05rem;
  margin-bottom: 20px;
  line-height: 1.7;
}

.audience__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 28px;
}

.audience__list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.5;
}

.audience__list-icon {
  width: 24px; height: 24px;
  border-radius: 6px;
  background: var(--accent-subtle);
  border: 1px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.audience__cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.audience__card {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.audience__card h4 {
  margin-bottom: 8px;
  color: var(--text);
}

.audience__card p {
  font-size: 0.9rem;
  line-height: 1.55;
}

.audience__card--good {
  border-color: rgba(52,211,153,0.25);
  background: linear-gradient(135deg, rgba(52,211,153,0.06) 0%, transparent 100%);
}

.audience__card--good::before {
  content: '✓';
  position: absolute;
  top: 16px; right: 20px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--green);
  background: var(--green-bg);
  width: 24px; height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.audience__card--bad {
  border-color: rgba(248,113,113,0.2);
  background: linear-gradient(135deg, rgba(248,113,113,0.05) 0%, transparent 100%);
}

.audience__card--bad::before {
  content: '✗';
  position: absolute;
  top: 16px; right: 20px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--red);
  background: rgba(248,113,113,0.1);
  width: 24px; height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

@media (max-width: 768px) {
  .audience { grid-template-columns: 1fr; }
}

/* ─── Features ───────────────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity 0.2s;
}

.feature-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.feature-card:hover::before { opacity: 1; }

.feature-card__icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  background: var(--accent-subtle);
  border: 1px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 18px;
}

.feature-card h4 {
  margin-bottom: 10px;
  color: var(--text);
  font-size: 1.05rem;
}

.feature-card p {
  font-size: 0.9rem;
  line-height: 1.6;
}

@media (max-width: 900px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .features-grid { grid-template-columns: 1fr; }
}

/* ─── Security Section ───────────────────────────────────────── */
.security {
  background: linear-gradient(180deg, var(--bg) 0%, #04091a 100%);
  position: relative;
}

.security::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 39px,
    rgba(59,130,246,0.03) 39px,
    rgba(59,130,246,0.03) 40px
  );
  pointer-events: none;
}

.security__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.security__specs {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.spec-item {
  background: var(--gradient-glass);
  backdrop-filter: blur(4px);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color 0.2s;
}

.spec-item:hover { border-color: var(--border-strong); }

.spec-item__label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.spec-item__value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}

.spec-item__note {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.spec-item__value code {
  font-size: 0.85em;
}

.security__diagram {
  position: relative;
}

.security__diagram-title {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 20px;
}

.flow-diagram {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.flow-node {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  position: relative;
}

.flow-node__icon {
  width: 36px; height: 36px;
  border-radius: 9px;
  background: var(--accent-subtle);
  border: 1px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.flow-node__title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

.flow-node__sub {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.flow-arrow {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 20px;
}

.flow-arrow__line {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
}

.flow-arrow__line span {
  display: block;
  width: 1px; height: 8px;
  background: var(--border);
}

.flow-arrow__label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--accent-light);
  background: var(--accent-subtle);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 8px;
}

@media (max-width: 800px) {
  .security__inner { grid-template-columns: 1fr; gap: 48px; }
}

/* ─── Privacy Section ────────────────────────────────────────── */
.privacy-section {
  background: var(--bg-raised);
}

.privacy-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.privacy-card {
  background: linear-gradient(135deg, rgba(52,211,153,0.07) 0%, transparent 100%);
  border: 1px solid rgba(52,211,153,0.20);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  text-align: center;
}

.privacy-card__icon {
  font-size: 2rem;
  display: block;
  margin-bottom: 14px;
}

.privacy-card h4 {
  font-size: 1rem;
  margin-bottom: 8px;
  color: var(--text);
}

.privacy-card p {
  font-size: 0.85rem;
  line-height: 1.5;
}

@media (max-width: 900px) {
  .privacy-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 500px) {
  .privacy-grid { grid-template-columns: 1fr; }
}

/* ─── API Section ────────────────────────────────────────────── */
.api-section {
  position: relative;
  overflow: hidden;
}

.api-section::before {
  content: '';
  position: absolute;
  bottom: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(59,130,246,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.api__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.api__copy p {
  font-size: 1.05rem;
  margin-bottom: 18px;
  line-height: 1.7;
}

.api__attrs {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 28px 0;
}

.api__attr {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--text);
}

.api__attr::before {
  content: '';
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.api__code-panel {
  background: #020815;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.code-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
}

.code-panel__dots {
  display: flex;
  gap: 6px;
}

.code-panel__dot {
  width: 10px; height: 10px; border-radius: 50%;
}
.code-panel__dot--red   { background: #ff5f57; }
.code-panel__dot--yellow { background: #febc2e; }
.code-panel__dot--green { background: #28c840; }

.code-panel__label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.code-panel__body {
  padding: 20px;
  overflow-x: auto;
}

.code-panel__body pre {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.7;
  color: #8ba3cc;
  white-space: pre;
  margin: 0;
}

.code-comment { color: #3d5a80; }
.code-key     { color: #60a5fa; }
.code-string  { color: #86efac; }
.code-number  { color: #fbbf24; }
.code-method  { color: #c4b5fd; }
.code-url     { color: #67e8f9; }

@media (max-width: 800px) {
  .api__inner { grid-template-columns: 1fr; gap: 40px; }
}

/* ─── Endpoints ──────────────────────────────────────────────── */
.endpoints-section {
  background: var(--bg-raised);
}

.endpoints-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.endpoint-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.endpoint-item__method {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 3px 8px;
  border-radius: 4px;
  flex-shrink: 0;
  min-width: 52px;
  text-align: center;
}

.method--get    { background: rgba(34,197,94,0.15);  color: #4ade80; border: 1px solid rgba(74,222,128,0.3); }
.method--post   { background: rgba(59,130,246,0.15); color: #60a5fa; border: 1px solid rgba(96,165,250,0.3); }
.method--put    { background: rgba(251,191,36,0.12); color: #fbbf24; border: 1px solid rgba(251,191,36,0.3); }
.method--delete { background: rgba(248,113,113,0.12);color: #f87171; border: 1px solid rgba(248,113,113,0.3);}

.endpoint-item__path {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text);
  flex: 1;
}

.endpoint-item__desc {
  font-size: 0.8rem;
  color: var(--text-dim);
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (max-width: 768px) {
  .endpoints-grid { grid-template-columns: 1fr; }
  .endpoint-item__desc { display: none; }
}

/* ─── Requirements ───────────────────────────────────────────── */
.requirements-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.req-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
}

.req-card__num {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 12px;
}

.req-card h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
  color: var(--text);
}

.req-card p {
  font-size: 0.88rem;
  line-height: 1.6;
}

.req-card__items {
  list-style: none;
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.req-card__items li {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.45;
}

.req-card__items li::before {
  content: '›';
  color: var(--accent);
  flex-shrink: 0;
  font-weight: 700;
}

@media (max-width: 800px) {
  .requirements-grid { grid-template-columns: 1fr; gap: 16px; }
}

/* ─── CTA Section ────────────────────────────────────────────── */
.cta-section {
  background: linear-gradient(135deg, #0a1628 0%, #0f1e40 50%, #091228 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 400px;
  background: radial-gradient(ellipse, rgba(59,130,246,0.15) 0%, transparent 65%);
  pointer-events: none;
}

.cta-section h2 { margin-bottom: 16px; }
.cta-section p {
  font-size: 1.1rem;
  margin-bottom: 36px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-section .hero__actions { justify-content: center; }

.cta-note {
  margin-top: 20px;
  font-size: 0.82rem;
  color: var(--text-dim);
}

.section-note {
  margin-top: 48px;
  padding: 20px 24px;
  background: linear-gradient(135deg, rgba(12,22,51,0.94) 0%, rgba(17,30,66,0.90) 100%);
  border: 1px solid rgba(139,163,204,0.35);
  border-left: 4px solid var(--amber);
  border-radius: 12px;
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.section-note strong {
  color: var(--text);
}

.section-note em {
  color: var(--highlight);
}

/* ─── Anti-Spam section ──────────────────────────────────────── */
.antispam-lead {
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--text-muted);
}

.antispam-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 40px;
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.antispam-step {
  padding: 28px 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.antispam-step + .antispam-step {
  border-left: 1px solid var(--border);
}

.antispam-step__num {
  font-size: 2rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  opacity: 0.65;
}

.antispam-step__title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.35;
}

.antispam-step__body {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.antispam-step__example {
  display: inline-block;
  margin-top: 6px;
  font-size: 0.75rem;
  color: var(--accent);
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.25);
  border-radius: 6px;
  padding: 4px 10px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}

.antispam-compare {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: start;
  margin-top: 24px;
  margin-bottom: 56px;
}

.antispam-compare__col {
  padding: 28px 32px;
  border: 1px solid var(--border);
  border-radius: 16px;
}

.antispam-compare__col--bad {
  background: rgba(239,68,68,0.05);
  border-color: rgba(239,68,68,0.2);
}

.antispam-compare__col--good {
  background: rgba(59,130,246,0.05);
  border-color: rgba(59,130,246,0.25);
}

.antispam-compare__vs {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.antispam-compare__heading {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 18px;
}

.antispam-compare__col--bad .antispam-compare__heading {
  color: rgba(239,68,68,0.85);
}

.antispam-compare__col--good .antispam-compare__heading {
  color: var(--accent);
}

.antispam-compare__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.antispam-compare__list li {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
  display: flex;
  gap: 10px;
  align-items: baseline;
}

.antispam-compare__col--bad .antispam-compare__list li::before {
  content: '\2717';
  color: rgba(239,68,68,0.8);
  font-size: 0.85rem;
  flex-shrink: 0;
}

.antispam-compare__col--good .antispam-compare__list li::before {
  content: '\2713';
  color: var(--accent);
  font-size: 0.85rem;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .antispam-steps {
    grid-template-columns: 1fr;
  }
  .antispam-step + .antispam-step {
    border-left: none;
    border-top: 1px solid var(--border);
  }
  .antispam-compare {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .antispam-compare__vs {
    padding: 4px 0;
  }
}

/* ─── Footer ─────────────────────────────────────────────────── */
.footer {
  background: #040912;
  border-top: 1px solid var(--border);
  padding: 60px 0 40px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer__brand-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer__brand-desc {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-dim);
  max-width: 280px;
}

.footer__col-title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 16px;
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__links a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

.footer__links a:hover {
  color: var(--text);
  text-decoration: none;
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

.footer__copyright {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.footer__legal {
  display: flex;
  gap: 20px;
}

.footer__legal a {
  font-size: 0.8rem;
  color: var(--text-dim);
  transition: color 0.2s;
}

.footer__legal a:hover {
  color: var(--text-muted);
  text-decoration: none;
}

@media (max-width: 900px) {
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 500px) {
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}

/* ─── Inner page layout (privacy, support, terms) ────────────── */
.page {
  padding: 120px 0 80px;
  min-height: 100vh;
}

.page__header {
  margin-bottom: 56px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
}

.page__header .badge {
  margin-bottom: 20px;
}

.page__header h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 12px;
}

.page__header p {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 560px;
}

.prose {
  max-width: 720px;
  color: var(--text-muted);
  line-height: 1.75;
}

.prose h2 {
  font-size: 1.5rem;
  color: var(--text);
  margin: 40px 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.prose h3 {
  font-size: 1.15rem;
  color: var(--text);
  margin: 28px 0 10px;
}

.prose p {
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.prose ul, .prose ol {
  padding-left: 20px;
  margin-bottom: 16px;
}

.prose li {
  font-size: 0.95rem;
  margin-bottom: 8px;
  color: var(--text-muted);
}

.prose strong { color: var(--text); font-weight: 600; }

.prose a { color: var(--accent-light); }

.prose .highlight-box {
  background: var(--accent-subtle);
  border: 1px solid var(--border-strong);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin: 20px 0;
}

.prose .highlight-box p {
  margin: 0;
  color: var(--text);
  font-size: 0.95rem;
}

/* ─── App Store badge styling ────────────────────────────────── */
.appstore-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: #000;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 12px;
  padding: 10px 20px;
  color: #fff;
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
}

.appstore-badge:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.5);
  text-decoration: none;
  color: #fff;
}

.appstore-badge__icon {
  font-size: 1.8rem;
  line-height: 1;
}

.appstore-badge__text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.appstore-badge__sub {
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  opacity: 0.8;
}

.appstore-badge__label {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* ─── Themes showcase ────────────────────────────────────────── */
.themes-section {
  overflow: hidden;
}

.themes-track {
  display: flex;
  gap: 12px;
  animation: themes-scroll 24s linear infinite;
  width: max-content;
  margin-top: 40px;
}

.themes-track:hover { animation-play-state: paused; }

@keyframes themes-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.theme-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 8px 16px;
  white-space: nowrap;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
}

.theme-swatch {
  width: 14px; height: 14px;
  border-radius: 50%;
  flex-shrink: 0;
}

.theme-swatch--emoji {
  background: none !important;
  border: none !important;
  border-radius: 0;
  width: 18px;
  height: 18px;
  font-size: 0.95rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ─── Scrollbar ──────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: rgba(59,130,246,0.3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(59,130,246,0.5); }

/* ─── Focus styles ───────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}