/*
Theme Name: The ALT
Theme URI: https://thealt.co
Author: Collins Ero
Author URI: https://thealt.co
Description: The ALT — Intellect, Curated. A premium digital publication for operators, executives, and multi-hyphenate professionals.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.0
License: Proprietary
Text Domain: the-alt
*/

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

:root {
  --bg:         #ffffff;
  --fg:         #111111;
  --surface:    #F5F5F7;
  --hairline:   #E8E8ED;
  --muted:      #6e6e73;
  --destructive:#c0392b;
  --radius-sm:  0.75rem;
  --radius-md:  1rem;
  --radius-lg:  1.5rem;
  --radius-xl:  1.75rem;
  --radius-full:9999px;
  --shadow-card:0 30px 80px -30px rgba(0,0,0,.18);
  --shadow-modal:0 40px 120px -30px rgba(0,0,0,.28);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Helvetica Neue', Arial, sans-serif;
  --transition: 0.25s cubic-bezier(.4,0,.2,1);
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--fg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: var(--font); cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: var(--font); }

/* ============================================================
   LAYOUT
   ============================================================ */
.alt-wrap {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}
@media (min-width: 640px) { .alt-wrap { padding: 0 32px; } }

/* ============================================================
   TYPOGRAPHY SCALE
   ============================================================ */
.t-eyebrow {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
}
.t-eyebrow-line {
  display: flex;
  align-items: center;
  gap: 12px;
}
.t-eyebrow-line::before {
  content: '';
  display: block;
  height: 1px;
  width: 32px;
  background: rgba(17,17,17,.4);
  flex-shrink: 0;
}

/* ============================================================
   HEADER
   ============================================================ */
#site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background var(--transition), border-color var(--transition), backdrop-filter var(--transition);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  background: rgba(255,255,255,.40);
  border-bottom: 1px solid transparent;
}
#site-header.scrolled {
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  background: rgba(255,255,255,.72);
  border-bottom-color: rgba(232,232,237,.7);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}
@media (min-width: 640px) { .header-inner { height: 64px; padding: 0 32px; } }

.site-logo {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--fg);
}
.site-logo strong { font-weight: 700; }

.header-nav {
  display: none;
  align-items: center;
  gap: 32px;
}
@media (min-width: 768px) { .header-nav { display: flex; } }
.header-nav a {
  font-size: 13px;
  font-weight: 500;
  color: rgba(17,17,17,.8);
  transition: color var(--transition);
}
.header-nav a:hover { color: var(--fg); }

.header-cta {
  display: none;
  align-items: center;
  gap: 12px;
}
@media (min-width: 768px) { .header-cta { display: flex; } }
.btn-signin {
  font-size: 13px;
  font-weight: 500;
  color: rgba(17,17,17,.8);
  transition: color var(--transition);
}
.btn-signin:hover { color: var(--fg); }

/* Hamburger */
.hamburger {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
}
@media (min-width: 768px) { .hamburger { display: none; } }
.hamburger-bar {
  position: relative;
  width: 20px;
  height: 12px;
  display: block;
}
.hamburger-bar span {
  position: absolute;
  left: 0;
  height: 1px;
  width: 20px;
  background: var(--fg);
  transition: transform .3s;
}
.hamburger-bar span:first-child { top: 0; }
.hamburger-bar span:last-child  { top: 11px; }
.hamburger.open .hamburger-bar span:first-child { transform: translateY(5.5px) rotate(45deg); }
.hamburger.open .hamburger-bar span:last-child  { transform: translateY(-5.5px) rotate(-45deg); }

/* Mobile drawer */
.mobile-nav {
  display: none;
  overflow: hidden;
  border-top: 1px solid rgba(232,232,237,.7);
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  max-height: 0;
  opacity: 0;
  transition: max-height .3s ease, opacity .3s ease;
}
@media (max-width: 767px) { .mobile-nav { display: block; } }
.mobile-nav.open { max-height: 500px; opacity: 1; }
.mobile-nav nav { display: flex; flex-direction: column; padding: 0 20px 8px; }
.mobile-nav nav a {
  border-bottom: 1px solid rgba(232,232,237,.6);
  padding: 16px 0;
  font-size: 15px;
  font-weight: 500;
  color: var(--fg);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 500;
  padding: 14px 24px;
  transition: transform var(--transition), opacity var(--transition), background var(--transition), color var(--transition);
  cursor: pointer;
  text-align: center;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary {
  background: var(--fg);
  color: var(--bg);
}
.btn-outline {
  background: var(--bg);
  color: var(--fg);
  border: 1px solid rgba(17,17,17,.2);
}
.btn-outline:hover { background: var(--fg); color: var(--bg); transform: translateY(-1px); }
.btn-ghost-small {
  font-size: 12px;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  background: var(--fg);
  color: var(--bg);
}
.btn-full { width: 100%; }
.btn-small { font-size: 12px; padding: 8px 16px; }

/* ============================================================
   SECTION HEADER
   ============================================================ */
.section-header {
  display: grid;
  gap: 24px;
}
@media (min-width: 768px) {
  .section-header {
    grid-template-columns: auto 1fr;
    align-items: end;
    gap: 48px;
  }
  .section-header-right { text-align: right; }
}
.section-title {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-top: 12px;
}
@media (min-width: 640px) { .section-title { font-size: 48px; } }
@media (min-width: 768px) { .section-title { font-size: 56px; } }
.section-desc {
  margin-top: 16px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--muted);
  max-width: 700px;
}
@media (min-width: 640px) { .section-desc { font-size: 17px; } }

/* ============================================================
   HERO SECTION
   ============================================================ */
#hero {
  padding-top: 112px;
}
@media (min-width: 640px) { #hero { padding-top: 144px; } }

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
}
.hero-eyebrow::before {
  content: '';
  display: block;
  height: 1px;
  width: 32px;
  background: rgba(17,17,17,.4);
}
.hero-title {
  max-width: 1100px;
  font-size: clamp(36px, 6vw, 92px);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.03em;
}
.hero-subtitle {
  margin-top: 24px;
  max-width: 760px;
  font-size: 17px;
  line-height: 1.6;
  color: var(--muted);
}
@media (min-width: 640px) { .hero-subtitle { font-size: 20px; } }

.hero-meta {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  column-gap: 24px;
  row-gap: 8px;
  font-size: 13px;
  color: var(--muted);
}
.hero-meta-dot {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: rgba(110,110,115,.5);
  flex-shrink: 0;
}
.hero-meta .author { font-weight: 500; color: var(--fg); }
.tag-pill {
  border-radius: var(--radius-full);
  background: var(--surface);
  padding: 4px 12px;
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--fg);
}

.hero-visual {
  position: relative;
  margin-top: 56px;
  overflow: hidden;
  border-radius: 16px;
}
@media (min-width: 640px) { .hero-visual { border-radius: 24px; } }
.hero-image-wrap {
  aspect-ratio: 16/9;
  width: 100%;
  background: linear-gradient(135deg, #f0f0f5 0%, #e5e5ed 50%, #d8d8e8 100%);
  position: relative;
}
.hero-image-wrap img { width: 100%; height: 100%; object-fit: cover; }
.hero-image-overlay {
  position: absolute;
  inset: 0 0 0 auto;
  bottom: 0;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 24px;
  gap: 24px;
}
@media (min-width: 640px) { .hero-image-overlay { padding: 40px; } }
.hero-image-overlay span {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: rgba(17,17,17,.6);
}

/* Article body */
.article-body {
  max-width: 760px;
  margin: 80px auto 0;
}
.article-body p {
  font-size: 18px;
  line-height: 1.75;
  color: rgba(17,17,17,.9);
  margin-bottom: 28px;
}
@media (min-width: 640px) { .article-body p { font-size: 19px; } }

/* Paywall */
.paywall-wrap { position: relative; }
.paywall-blur {
  pointer-events: none;
  user-select: none;
}
.paywall-blur p { color: rgba(17,17,17,.5); }
.paywall-overlay {
  position: absolute;
  inset: -40px 0 0 0;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background: linear-gradient(
    to bottom,
    rgba(255,255,255,0) 0%,
    rgba(255,255,255,.7) 35%,
    rgba(255,255,255,1) 70%
  );
}
.paywall-card-wrap {
  position: absolute;
  inset: auto 0 0 0;
  display: flex;
  justify-content: center;
  padding-bottom: 24px;
}
.paywall-card {
  width: 100%;
  max-width: 560px;
  border-radius: 16px;
  border: 1px solid var(--hairline);
  background: rgba(255,255,255,.95);
  padding: 28px;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
@media (min-width: 640px) { .paywall-card { padding: 36px; } }
.paywall-card h3 {
  margin-top: 12px;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
@media (min-width: 640px) { .paywall-card h3 { font-size: 28px; } }
.paywall-features {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.paywall-features li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  color: rgba(17,17,17,.8);
  line-height: 1.5;
}
.paywall-features li::before {
  content: '';
  display: block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--fg);
  margin-top: 8px;
  flex-shrink: 0;
}
.paywall-note {
  margin-top: 12px;
  font-size: 11px;
  color: var(--muted);
  text-align: center;
}

/* ============================================================
   THINK PIECES
   ============================================================ */
#think-pieces {
  border-top: 1px solid rgba(232,232,237,.6);
  padding: 96px 0;
}
@media (min-width: 640px) { #think-pieces { padding: 128px 0; } }

.think-pieces-grid {
  margin-top: 64px;
  display: grid;
  gap: 32px;
}
@media (min-width: 768px) {
  .think-pieces-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}
.think-card { cursor: pointer; }
.think-card-image {
  overflow: hidden;
  border-radius: 16px;
  background: var(--surface);
  aspect-ratio: 5/3;
}
.think-card-image img,
.think-card-image-placeholder {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .7s cubic-bezier(.4,0,.2,1);
}
.think-card:hover .think-card-image img,
.think-card:hover .think-card-image-placeholder { transform: scale(1.04); }
.think-card-image-placeholder { display: block; }

.think-card-meta {
  margin-top: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
}
.think-card-meta-dot { width: 4px; height: 4px; border-radius: 50%; background: rgba(110,110,115,.5); }
.think-card-title {
  margin-top: 12px;
  font-size: 26px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  transition: color var(--transition);
}
@media (min-width: 640px) { .think-card-title { font-size: 30px; } }
.think-card:hover .think-card-title { color: rgba(17,17,17,.8); }
.think-card-preview {
  margin-top: 12px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--muted);
}
.think-card-read {
  margin-top: 20px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--fg);
}
.arrow { display: inline-block; transition: transform .3s; }
.think-card:hover .arrow { transform: translateX(4px); }

/* ============================================================
   PLAYBOOKS
   ============================================================ */
#playbooks {
  border-top: 1px solid rgba(232,232,237,.6);
  background: var(--surface);
  padding: 96px 0;
}
@media (min-width: 640px) { #playbooks { padding: 128px 0; } }

.playbooks-grid {
  margin-top: 64px;
  display: grid;
  gap: 32px;
}
@media (min-width: 1024px) {
  .playbooks-grid {
    grid-template-columns: 1.1fr .9fr;
    gap: 56px;
    align-items: start;
  }
}

.playbook-cover {
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid var(--hairline);
  background: var(--bg);
}
.playbook-cover-inner {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #1c1c1e 0%, #111111 100%);
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: var(--bg);
}
@media (min-width: 640px) { .playbook-cover-inner { padding: 48px; } }
.playbook-cover-top {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: rgba(255,255,255,.6);
}
.playbook-volume {
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,.6);
  margin-bottom: 12px;
}
.playbook-cover-title {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
}
@media (min-width: 640px) { .playbook-cover-title { font-size: 44px; } }
.playbook-cover-edition {
  margin-top: 8px;
  font-size: 13px;
  color: rgba(255,255,255,.7);
}

.playbook-info { display: flex; flex-direction: column; justify-content: center; }
.playbook-info-title {
  margin-top: 12px;
  font-size: 32px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.025em;
}
@media (min-width: 640px) { .playbook-info-title { font-size: 40px; } }
.playbook-info-desc {
  margin-top: 20px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--muted);
}
@media (min-width: 640px) { .playbook-info-desc { font-size: 17px; } }
.playbook-features {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.playbook-features li {
  display: flex;
  gap: 12px;
  font-size: 14px;
  color: rgba(17,17,17,.9);
}
.playbook-features li::before {
  content: '';
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--fg);
  margin-top: 8px;
  flex-shrink: 0;
}
.playbook-actions {
  margin-top: 36px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  background: rgba(17,17,17,.3);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal-box {
  width: 100%;
  max-width: 440px;
  border-radius: 16px;
  border: 1px solid var(--hairline);
  background: var(--bg);
  box-shadow: var(--shadow-modal);
  overflow: hidden;
  transform: translateY(12px);
  transition: transform var(--transition);
}
.modal-overlay.open .modal-box { transform: translateY(0); }
.modal-inner { padding: 32px; }
@media (min-width: 640px) { .modal-inner { padding: 36px; } }
.modal-title {
  margin-top: 8px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.modal-subtitle {
  margin-top: 8px;
  font-size: 13px;
  color: var(--muted);
}

.form-field { margin-bottom: 16px; }
.form-label {
  display: block;
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--muted);
  margin-bottom: 8px;
}
.form-input,
.form-select {
  width: 100%;
  border: 1px solid var(--hairline);
  border-radius: 12px;
  background: var(--bg);
  padding: 12px 16px;
  font-size: 14px;
  color: var(--fg);
  outline: none;
  transition: border-color var(--transition);
  appearance: none;
  -webkit-appearance: none;
}
.form-input::placeholder { color: rgba(110,110,115,.6); }
.form-input:focus, .form-select:focus { border-color: var(--fg); }
.form-error { margin-top: 16px; font-size: 13px; color: var(--destructive); }
.modal-cancel {
  display: block;
  width: 100%;
  text-align: center;
  margin-top: 12px;
  font-size: 12px;
  color: var(--muted);
  cursor: pointer;
  transition: color var(--transition);
}
.modal-cancel:hover { color: var(--fg); }
.modal-success { padding: 40px 32px; text-align: center; }
.modal-success-icon {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--fg);
  color: var(--bg);
  display: grid;
  place-items: center;
  margin: 0 auto;
  font-size: 18px;
}
.modal-success h4 {
  margin-top: 20px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.modal-success p {
  margin-top: 8px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.5;
}

/* ============================================================
   FRAMEWORKS
   ============================================================ */
#frameworks {
  border-top: 1px solid rgba(232,232,237,.6);
  padding: 96px 0;
}
@media (min-width: 640px) { #frameworks { padding: 128px 0; } }

.frameworks-grid {
  margin-top: 64px;
  display: grid;
  gap: 20px;
}
@media (min-width: 768px)  { .frameworks-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .frameworks-grid { grid-template-columns: 1fr 1fr 1fr; } }

.framework-card {
  display: flex;
  flex-direction: column;
  border-radius: 24px;
  border: 1px solid var(--hairline);
  background: var(--surface);
  padding: 28px;
  transition: transform var(--transition), border-color var(--transition);
  text-decoration: none;
  color: var(--fg);
}
@media (min-width: 640px) { .framework-card { padding: 32px; } }
.framework-card:hover {
  transform: translateY(-4px);
  border-color: rgba(17,17,17,.4);
}
.framework-card-title {
  margin-top: 20px;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
@media (min-width: 640px) { .framework-card-title { font-size: 26px; } }
.framework-card-tagline {
  margin-top: 12px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.5;
}
.framework-card-cta {
  margin-top: 24px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 500;
  color: var(--fg);
}
.frameworks-browse {
  margin-top: 40px;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--fg);
  transition: opacity var(--transition);
}
.text-link:hover { opacity: .7; }

/* ============================================================
   THE BRIEF
   ============================================================ */
#the-brief {
  border-top: 1px solid rgba(232,232,237,.6);
  background: var(--surface);
  padding: 96px 0;
}
@media (min-width: 640px) { #the-brief { padding: 128px 0; } }

.brief-layout {
  margin-top: 56px;
  display: grid;
  gap: 32px;
}
@media (min-width: 1024px) {
  .brief-layout {
    grid-template-columns: 1fr 1.1fr;
    gap: 48px;
    align-items: start;
  }
}

.brief-terminal {
  border-radius: 24px;
  border: 1px solid var(--hairline);
  background: var(--bg);
  padding: 24px;
}
@media (min-width: 640px) { .brief-terminal { padding: 32px; } }
.terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--hairline);
  padding-bottom: 16px;
}
.terminal-live {
  display: flex;
  align-items: center;
  gap: 12px;
}
.live-dot {
  position: relative;
  width: 8px; height: 8px;
  display: grid;
  place-items: center;
}
.live-dot::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: rgba(16,185,129,.6);
  animation: ping 1.5s cubic-bezier(0,0,.2,1) infinite;
}
.live-dot::after {
  content: '';
  display: block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #10b981;
  position: relative;
  z-index: 1;
}
@keyframes ping {
  0%   { transform: scale(1); opacity: 1; }
  75%, 100% { transform: scale(2.2); opacity: 0; }
}
.terminal-label {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--fg);
}
.terminal-updated { font-size: 11px; color: var(--muted); }

.brief-item {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--hairline);
  transition: background var(--transition);
}
.brief-item:last-child { border-bottom: none; }
.brief-item:hover { background: rgba(245,245,247,.4); margin: 0 -8px; padding-left: 8px; padding-right: 8px; border-radius: 8px; }
.brief-time {
  font-family: 'SF Mono', 'Fira Mono', 'Courier New', monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  white-space: nowrap;
  padding-top: 2px;
}
.brief-body { font-size: 14px; line-height: 1.55; color: var(--fg); }
@media (min-width: 640px) { .brief-body { font-size: 15px; } }
.brief-tag {
  display: inline-flex;
  margin-top: 8px;
  border-radius: var(--radius-full);
  background: var(--surface);
  padding: 2px 10px;
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--muted);
}

.brief-info { display: flex; flex-direction: column; justify-content: center; }
.brief-info-title {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
}
@media (min-width: 640px) { .brief-info-title { font-size: 34px; } }
.brief-info-desc {
  margin-top: 16px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--muted);
}
.brief-stats {
  margin-top: 32px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.stat-card {
  border-radius: 16px;
  border: 1px solid var(--hairline);
  background: var(--bg);
  padding: 16px;
}
.stat-number {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
@media (min-width: 640px) { .stat-number { font-size: 26px; } }
.stat-label {
  margin-top: 4px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--muted);
}

/* ============================================================
   MEMBERSHIP
   ============================================================ */
#membership {
  border-top: 1px solid rgba(232,232,237,.6);
  padding: 96px 0;
}
@media (min-width: 640px) { #membership { padding: 128px 0; } }

.billing-toggle {
  margin-top: 48px;
  display: flex;
  justify-content: center;
}
.toggle-inner {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border-radius: var(--radius-full);
  border: 1px solid var(--hairline);
  background: var(--surface);
  padding: 4px;
}
.toggle-btn {
  border-radius: var(--radius-full);
  padding: 8px 20px;
  font-size: 13px;
  font-weight: 500;
  transition: all var(--transition);
  color: rgba(17,17,17,.7);
}
.toggle-btn.active {
  background: var(--fg);
  color: var(--bg);
}
.save-badge {
  border-radius: var(--radius-full);
  background: var(--fg);
  padding: 2px 8px;
  font-size: 10px;
  font-weight: 500;
  color: var(--bg);
  margin-left: 8px;
}

.pricing-grid {
  margin-top: 48px;
  display: grid;
  gap: 24px;
}
@media (min-width: 1024px) { .pricing-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }

.pricing-card {
  display: flex;
  flex-direction: column;
  border-radius: 24px;
  border: 1px solid var(--hairline);
  background: var(--bg);
  padding: 32px;
}
@media (min-width: 640px) { .pricing-card { padding: 40px; } }
.pricing-card.featured {
  border: 2px solid var(--fg);
  position: relative;
}
.featured-badge {
  position: absolute;
  top: -12px;
  left: 32px;
  border-radius: var(--radius-full);
  background: var(--fg);
  padding: 4px 12px;
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--bg);
}
.pricing-tier-name {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--muted);
}
.pricing-price {
  margin-top: 16px;
  font-size: 48px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  transition: opacity .15s;
}
@media (min-width: 640px) { .pricing-price { font-size: 56px; } }
.pricing-price.fade { opacity: 0; }
.pricing-period {
  font-size: 15px;
  font-weight: 500;
  color: var(--muted);
  margin-left: 8px;
}
.pricing-saving {
  margin-top: 8px;
  font-size: 12px;
  color: var(--muted);
  min-height: 18px;
}
.pricing-desc {
  margin-top: 16px;
  font-size: 15px;
  color: var(--muted);
  line-height: 1.5;
}
.pricing-features {
  margin-top: 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.pricing-feature {
  display: flex;
  gap: 12px;
  font-size: 14px;
  color: rgba(17,17,17,.9);
  line-height: 1.5;
}
.check-icon {
  width: 20px; height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ============================================================
   NEWSLETTER
   ============================================================ */
#newsletter {
  border-top: 1px solid rgba(232,232,237,.6);
  background: var(--surface);
  padding: 112px 0;
}
@media (min-width: 640px) { #newsletter { padding: 160px 0; } }
.newsletter-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
  text-align: center;
}
@media (min-width: 640px) { .newsletter-inner { padding: 0 32px; } }
.newsletter-title {
  margin-top: 16px;
  font-size: 44px;
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.03em;
}
@media (min-width: 640px) { .newsletter-title { font-size: 64px; } }
@media (min-width: 768px) { .newsletter-title { font-size: 72px; } }
.newsletter-sub {
  margin: 24px auto 0;
  max-width: 640px;
  font-size: 17px;
  line-height: 1.6;
  color: var(--muted);
}
@media (min-width: 640px) { .newsletter-sub { font-size: 19px; } }

.newsletter-form {
  margin: 40px auto 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 560px;
}
@media (min-width: 640px) { .newsletter-form { flex-direction: row; } }
.newsletter-input {
  flex: 1;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-full);
  background: var(--bg);
  padding: 16px 24px;
  font-size: 14px;
  color: var(--fg);
  outline: none;
  transition: border-color var(--transition);
}
.newsletter-input::placeholder { color: rgba(110,110,115,.7); }
.newsletter-input:focus { border-color: var(--fg); }
.newsletter-input.error { border-color: var(--destructive); }
.newsletter-status {
  margin-top: 16px;
  min-height: 20px;
  font-size: 13px;
}
.newsletter-status.ok   { color: var(--fg); }
.newsletter-status.err  { color: var(--destructive); }

/* ============================================================
   ENGAGE / BOOK
   ============================================================ */
#engage {
  border-top: 1px solid rgba(232,232,237,.6);
  padding: 96px 0;
}
@media (min-width: 640px) { #engage { padding: 128px 0; } }
.engage-grid {
  margin-top: 64px;
  display: grid;
  gap: 16px;
}
@media (min-width: 640px) { .engage-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .engage-grid { grid-template-columns: repeat(4, 1fr); } }
.engage-card {
  border-radius: 20px;
  border: 1px solid var(--hairline);
  background: var(--surface);
  padding: 28px;
  transition: transform var(--transition), border-color var(--transition);
}
.engage-card:hover { transform: translateY(-4px); border-color: rgba(17,17,17,.3); }
.engage-card-icon { font-size: 24px; margin-bottom: 16px; }
.engage-card-title { font-size: 18px; font-weight: 700; letter-spacing: -0.01em; }
.engage-card-desc { margin-top: 8px; font-size: 13px; color: var(--muted); line-height: 1.5; }
.engage-card-link {
  margin-top: 20px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--fg);
}

/* ============================================================
   FOOTER
   ============================================================ */
#site-footer {
  border-top: 1px solid rgba(232,232,237,.6);
  background: var(--bg);
  padding: 56px 0;
}
.footer-grid {
  display: grid;
  gap: 40px;
}
@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.2fr 2fr;
    gap: 32px;
  }
}
.footer-brand-name { font-size: 18px; font-weight: 700; letter-spacing: -0.02em; }
.footer-brand-desc {
  margin-top: 12px;
  max-width: 320px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}
.footer-links-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
@media (min-width: 640px) { .footer-links-grid { grid-template-columns: repeat(4, 1fr); } }
.footer-col-head {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--fg);
  margin-bottom: 16px;
}
.footer-col-links { display: flex; flex-direction: column; gap: 10px; }
.footer-col-links a {
  font-size: 13px;
  color: var(--muted);
  transition: color var(--transition);
}
.footer-col-links a:hover { color: var(--fg); }
.footer-bottom {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--hairline);
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 11px;
  color: var(--muted);
}
@media (min-width: 640px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

/* ============================================================
   SINGLE POST
   ============================================================ */
.single-wrap { padding-top: 120px; padding-bottom: 96px; }
@media (min-width: 640px) { .single-wrap { padding-top: 144px; } }
.single-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
  font-size: 13px;
  color: var(--muted);
}
.single-title {
  max-width: 860px;
  font-size: clamp(32px, 4vw, 56px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.025em;
}
.single-subtitle {
  margin-top: 20px;
  max-width: 680px;
  font-size: 18px;
  line-height: 1.6;
  color: var(--muted);
}
.single-featured-image {
  margin-top: 48px;
  border-radius: 20px;
  overflow: hidden;
  aspect-ratio: 16/9;
  background: var(--surface);
}
.single-featured-image img { width: 100%; height: 100%; object-fit: cover; }
.single-content {
  max-width: 720px;
  margin: 64px auto 0;
}
.single-content p  { font-size: 18px; line-height: 1.75; color: rgba(17,17,17,.9); margin-bottom: 24px; }
.single-content h2 { font-size: 28px; font-weight: 700; margin: 48px 0 16px; letter-spacing: -0.02em; }
.single-content h3 { font-size: 22px; font-weight: 700; margin: 36px 0 12px; letter-spacing: -0.015em; }
.single-content ul, .single-content ol { margin: 0 0 24px 24px; }
.single-content li { font-size: 18px; line-height: 1.75; color: rgba(17,17,17,.9); margin-bottom: 8px; }
.single-content blockquote {
  margin: 32px 0;
  padding: 24px 32px;
  border-left: 3px solid var(--fg);
  background: var(--surface);
  border-radius: 0 12px 12px 0;
  font-size: 20px;
  font-style: italic;
  line-height: 1.6;
}

/* ============================================================
   PREMIUM BADGE (logged-in confirmation)
   ============================================================ */
.premium-confirm {
  margin-top: 40px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-radius: 16px;
  border: 1px solid var(--hairline);
  background: var(--surface);
  padding: 16px 20px;
  font-size: 13px;
  color: var(--muted);
}
.premium-confirm-icon {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--fg);
  color: var(--bg);
  display: grid;
  place-items: center;
  font-size: 11px;
  font-weight: 500;
  flex-shrink: 0;
}

/* ============================================================
   UTILITY
   ============================================================ */
.hidden  { display: none !important; }
.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; }
.mt-8  { margin-top: 8px; }
.mt-40 { margin-top: 40px; }

/* ============================================================
   ADMIN BAR OFFSET
   ============================================================ */
.admin-bar #site-header { top: 32px; }
@media screen and (max-width: 782px) { .admin-bar #site-header { top: 46px; } }