/* ============================================================
   DATING RESET — dateable.nextroutine.com
   Design System: Light editorial / magazine
   Typography: Instrument Serif + DM Sans + DM Mono
   ============================================================ */

/* TOKENS
   ============================================================ */
:root {
  --bg: #FAFAF8;
  --bg-warm: #F5F3EF;
  --bg-card: #FFFFFF;
  --bg-dark: #1A1A18;
  --bg-dark-card: #242422;
  --bg-accent: #F0EDE6;

  --text: #1A1A18;
  --text-secondary: #6B6B63;
  --text-muted: #9C9C94;
  --text-inverse: #FAFAF8;

  --primary: #1A1A18;
  --primary-hover: #333330;
  --accent: #8B7355;
  --accent-soft: rgba(139,115,85,0.08);
  --success: #4A7C59;
  --danger: #C4544A;

  --border: #E5E3DE;
  --border-light: #EDEBE7;
  --border-dark: #D5D3CE;

  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'DM Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'DM Mono', 'SF Mono', monospace;

  --container: 1200px;
  --radius: 0px;
  --radius-sm: 4px;
  --radius-lg: 8px;
}

/* RESET
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; background: none; border: none; }
input { font: inherit; }
ul, ol { list-style: none; }

::selection {
  background: rgba(139,115,85,0.2);
  color: var(--text);
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 60px;
  background: rgba(250, 250, 248, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
}
.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}
.nav-logo {
  width: 28px; height: 28px;
  border: 2px solid var(--text);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.nav-logo-dot {
  width: 8px; height: 8px;
  background: var(--text);
  border-radius: 50%;
}
.nav-brand-text {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.nav-links {
  display: none;
  align-items: center;
  gap: 2rem;
}
@media (min-width: 768px) { .nav-links { display: flex; } }
.nav-link {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color 200ms;
}
.nav-link:hover { color: var(--text); }
.nav-actions { display: flex; align-items: center; gap: 0.75rem; }
.nav-hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
@media (min-width: 768px) { .nav-hamburger { display: none; } }
.nav-hamburger span {
  display: block;
  width: 20px; height: 1.5px;
  background: var(--text);
  transition: transform 200ms;
}

/* Mobile nav */
.nav-mobile {
  position: fixed;
  top: 60px; left: 0; right: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem 1.5rem;
  z-index: 99;
  display: none;
}
.nav-mobile.open { display: block; }
.nav-mobile-link {
  display: block;
  padding: 0.75rem 0;
  font-size: 1rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-light);
}

/* BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  padding: 0 1.25rem;
  height: 44px;
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
  border: none;
  cursor: pointer;
  transition: all 200ms;
}
.btn-sm { height: 38px; padding: 0 1rem; font-size: 0.8125rem; }
.btn-lg { height: 50px; padding: 0 1.75rem; font-size: 0.9375rem; }
.btn-full { width: 100%; }

.btn-primary {
  background: var(--primary);
  color: var(--text-inverse);
}
.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border-dark);
}
.btn-outline:hover {
  border-color: var(--text);
  background: var(--bg-warm);
}

.btn-arr { transition: transform 200ms; display: inline-block; }
.btn:hover .btn-arr { transform: translateX(3px); }

/* SECTION TAGS & TITLES
   ============================================================ */
.section-tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}
.section-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}
.section-title em {
  font-style: italic;
  color: var(--text-muted);
}
.section-desc {
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 3rem;
}

/* HERO
   ============================================================ */
.hero {
  padding: 140px 0 80px;
}
.hero-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2rem;
}
.hero-headline {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.75rem, 7vw, 5.5rem);
  line-height: 0.97;
  letter-spacing: -0.025em;
  max-width: 900px;
  margin-bottom: 3rem;
}
.hero-headline em {
  font-style: italic;
  color: var(--text-muted);
}
.hero-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 2rem;
  justify-content: space-between;
}
.hero-desc {
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text-secondary);
  max-width: 480px;
}

/* PROBLEM SECTION
   ============================================================ */
.problem {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}
.problem-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}
@media (min-width: 768px) {
  .problem-grid { grid-template-columns: 1fr 1fr; gap: 4rem; }
}
.problem-right {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.stat-card {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border-light);
}
.stat-number {
  font-family: var(--font-display);
  font-size: 3rem;
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: 0.5rem;
}
.stat-label {
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

.problem-insight {
  max-width: 720px;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.problem-insight p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}
.problem-insight p:last-child { margin-bottom: 0; }
.problem-insight strong { color: var(--text); }

/* SYSTEM / PILLARS
   ============================================================ */
.system {
  padding: 100px 0;
  background: var(--bg-warm);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.pillars {
  display: flex;
  flex-direction: column;
}
.pillar {
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 768px) {
  .pillar {
    grid-template-columns: 200px 1fr auto;
    gap: 2.5rem;
    align-items: start;
  }
}
.pillar:first-child { border-top: 1px solid var(--border); }

.pillar-header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
}
.pillar-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}
.pillar-title {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 400;
}
.pillar-body p {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--text-secondary);
}
.pillar-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-self: start;
  padding-top: 0.25rem;
}
.pillar-tag {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--border);
  color: var(--text-muted);
}

/* ANTI-GURU
   ============================================================ */
.antiguru {
  padding: 100px 0;
}
.antiguru-inner {
  max-width: 900px;
}
.antiguru-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  margin-bottom: 3rem;
}
.antiguru-title em { font-style: italic; color: var(--text-muted); }
.antiguru-grid {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.antiguru-item {
  display: flex;
  gap: 1.25rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--border-light);
  align-items: baseline;
}
.antiguru-item:last-child { border-bottom: 1px solid var(--border-light); }
.antiguru-icon {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  min-width: 1.5rem;
  color: var(--text-muted);
}
.antiguru-item:last-child .antiguru-icon { color: var(--success); }
.antiguru-text {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-secondary);
}
.antiguru-text strong { color: var(--text); }

/* PACKS
   ============================================================ */
.packs {
  padding: 100px 0;
  background: var(--bg-warm);
  border-top: 1px solid var(--border);
}
.packs-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 768px) {
  .packs-grid { grid-template-columns: 1fr 1fr 1fr; }
}
.pack-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
}
.pack-card-featured {
  border-color: var(--text);
  border-width: 2px;
}
.pack-badge {
  position: absolute;
  top: -1px; right: 2rem;
  background: var(--text);
  color: var(--text-inverse);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.35rem 0.75rem;
}
.pack-tier {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}
.pack-name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  line-height: 1.15;
  margin-bottom: 1rem;
}
.pack-price {
  font-family: var(--font-display);
  font-size: 2.5rem;
  line-height: 1;
  margin-bottom: 1rem;
}
.pack-price-note {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--text-muted);
}
.pack-desc {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}
.pack-includes {
  flex: 1;
  margin-bottom: 2rem;
}
.pack-includes li {
  font-size: 0.875rem;
  line-height: 1.5;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-light);
  padding-left: 1rem;
  position: relative;
}
.pack-includes li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--text-muted);
}

/* EMAIL CAPTURE
   ============================================================ */
.capture {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}
.capture-inner {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}
.capture-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  margin-bottom: 1rem;
}
.capture-desc {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}
.capture-form {
  display: flex;
  gap: 0;
  max-width: 480px;
  margin: 0 auto 1rem;
}
@media (max-width: 500px) {
  .capture-form { flex-direction: column; gap: 0.75rem; }
}
.capture-input {
  flex: 1;
  height: 50px;
  padding: 0 1rem;
  border: 1.5px solid var(--border-dark);
  background: var(--bg-card);
  font-size: 0.9375rem;
  color: var(--text);
  outline: none;
  transition: border-color 200ms;
}
.capture-input:focus { border-color: var(--text); }
.capture-input::placeholder { color: var(--text-muted); }
.capture-micro {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* STATEMENT
   ============================================================ */
.statement {
  padding: 100px 0 80px;
  border-top: 1px solid var(--border);
}
.statement-text {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  line-height: 1.3;
  max-width: 640px;
  color: var(--text-secondary);
}

/* FOOTER
   ============================================================ */
.footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-left {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.footer-copy {
  font-size: 0.8125rem;
  color: var(--text-muted);
}
.footer-links {
  display: flex;
  gap: 1.5rem;
}
.footer-link {
  font-size: 0.8125rem;
  color: var(--text-muted);
  transition: color 200ms;
}
.footer-link:hover { color: var(--text); }

/* ANIMATIONS
   ============================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.65s cubic-bezier(0.22, 1, 0.36, 1) both; }
.fade-d1 { animation-delay: 0.12s; }
.fade-d2 { animation-delay: 0.24s; }
.fade-d3 { animation-delay: 0.36s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 767px) {
  .hero { padding: 110px 0 50px; }
  .hero-bottom { flex-direction: column; align-items: flex-start; }
  .problem, .system, .antiguru, .packs, .capture { padding: 60px 0; }
  .statement { padding: 60px 0 50px; }
  .nav .btn-sm { display: none; }
}