/* ============================================
   Personal trAIner PRO — Marketing Site
   style.css — shared across all pages
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap');

/* --- Design Tokens --- */
:root {
  --color-bg: #0a1628;
  --color-surface: #111f35;
  --color-accent: #4f8ef7;
  --color-accent-hover: #6ba3ff;
  --color-text: #ffffff;
  --color-text-secondary: #8ba4c0;
  --color-border: #1e3050;

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --max-width: 1100px;
  --section-padding: 100px 0;
  --section-padding-mobile: 60px 0;
  --radius-card: 20px;
  --radius-btn: 8px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 18px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

a:hover {
  color: var(--color-accent-hover);
}

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

.section {
  padding: var(--section-padding-mobile);
}

/* --- Typography --- */
.eyebrow {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: 16px;
}

h1 {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-text);
}

h2 {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
}

h3 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
}

.text-secondary {
  color: var(--color-text-secondary);
}

.text-center {
  text-align: center;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  font-family: var(--font-family);
  font-size: 16px;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: var(--radius-btn);
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
  text-align: center;
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--color-accent);
  color: #ffffff;
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #ffffff;
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
}

.btn-secondary:hover {
  background-color: var(--color-accent);
  color: #ffffff;
}

.btn-group {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Cards --- */
.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  border-left: 4px solid var(--color-accent);
  padding: 28px;
}

/* --- Navigation --- */
.nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
}

.nav-logo .ai {
  color: var(--color-accent);
}

.nav-links {
  display: none;
  list-style: none;
  gap: 32px;
  align-items: center;
}

.nav-links a {
  color: var(--color-text-secondary);
  font-size: 15px;
  font-weight: 600;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-accent);
}

.nav-cta {
  display: none;
}

.nav-store-buttons {
  display: none;
  align-items: center;
  gap: 8px;
}

.nav-store-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-btn);
  text-decoration: none;
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
  white-space: nowrap;
}

.nav-store-btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.nav-store-btn.btn-primary {
  background-color: var(--color-accent);
  color: #ffffff;
  border: 2px solid var(--color-accent);
}

.nav-store-btn.btn-primary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}

.nav-store-btn.btn-secondary {
  background-color: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
}

.nav-store-btn.btn-secondary:hover {
  background-color: var(--color-accent);
  color: #ffffff;
}

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: transform 0.3s, opacity 0.3s;
}

.hamburger span:nth-child(1) {
  margin-bottom: 6px;
}

.hamburger span:nth-child(3) {
  margin-top: 6px;
}

.hamburger.is-open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.hamburger.is-open span:nth-child(2) {
  opacity: 0;
}

.hamburger.is-open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile menu */
.mobile-menu {
  display: none;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: 16px 24px 24px;
}

.mobile-menu.is-open {
  display: block;
}

.mobile-menu a {
  display: block;
  padding: 12px 0;
  color: var(--color-text-secondary);
  font-size: 16px;
  font-weight: 600;
  border-bottom: 1px solid var(--color-border);
}

.mobile-menu a:last-child {
  border-bottom: none;
}

.mobile-menu a:hover,
.mobile-menu a.active {
  color: var(--color-accent);
}

.mobile-menu .btn {
  display: block;
  margin-top: 16px;
  width: 100%;
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(79, 142, 247, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  max-width: 900px;
}

.hero h1 {
  margin-bottom: 24px;
}

.hero-line2 {
  display: block;
}

@media (min-width: 768px) {
  .hero-line2 {
    display: block;
  }
}

.hero .subtitle {
  font-size: 18px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 40px;
}

.hero-bullets {
  list-style: none !important;
  padding: 0;
  margin: 0 auto 52px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: left;
  width: fit-content;
}

.hero-bullets li {
  font-size: 18px;
  color: var(--color-text-secondary);
  position: relative;
  padding-left: 32px;
  list-style: none;
}

.hero-bullets li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-accent);
  font-weight: 700;
  font-size: 18px;
}

.hero-detail-heading {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-top: 0;
  margin-bottom: 20px;
}

.hero-detail-body {
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin: 0 auto 52px;
  max-width: 640px;
}

.hero .btn-group {
  margin-bottom: 24px;
}

.hero .trial-text {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
}

.hero .divider {
  width: 100%;
  height: 1px;
  background-color: var(--color-border);
  margin-bottom: 24px;
}

.hero .social-proof {
  font-size: 15px;
  color: var(--color-text-secondary);
}

/* --- Page Hero (smaller, for inner pages) --- */
.page-hero {
  text-align: center;
  padding: 120px 24px 60px;
}

.page-hero h1 {
  margin-bottom: 16px;
}

.page-hero .subtitle {
  font-size: 18px;
  color: var(--color-text);
  max-width: 600px;
  margin: 0 auto;
}

.page-hero-context {
  font-size: 15px;
  color: var(--color-text-secondary);
  max-width: 540px;
  margin: 12px auto 0;
}

/* --- Blog Filters --- */
.blog-filters-section {
  padding: 16px 0;
  position: sticky;
  top: 64px;
  z-index: 900;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.blog-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.blog-filter-btn {
  font-family: var(--font-family);
  font-size: 14px;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: 100px;
  border: 1px solid var(--color-border);
  background-color: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

.blog-filter-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-text);
}

.blog-filter-btn.is-active {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #ffffff;
}

.blog-status-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
}

.blog-results-count {
  font-size: 14px;
  color: var(--color-text-secondary);
}

.blog-search-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  transition: color 0.2s;
  padding: 0;
  opacity: 0.8;
}

.blog-search-toggle:hover {
  color: var(--color-accent);
  opacity: 1;
}

.blog-search {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.blog-search-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 10px 14px;
  width: 100%;
  max-width: 400px;
  transition: border-color 0.2s;
}

.blog-search-bar:focus-within {
  border-color: var(--color-accent);
}

.blog-search-icon {
  color: var(--color-text-secondary);
  flex-shrink: 0;
}

.blog-search-input {
  font-family: var(--font-family);
  font-size: 15px;
  color: var(--color-text);
  background: transparent;
  border: none;
  outline: none;
  flex: 1;
  min-width: 0;
}

.blog-search-input::placeholder {
  color: var(--color-text-secondary);
  opacity: 0.5;
}

.blog-search-close {
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--color-text-secondary);
  font-size: 20px;
  cursor: pointer;
  padding: 0 2px;
  line-height: 1;
  transition: color 0.2s;
}

.blog-search-close:hover {
  color: var(--color-text);
}

.blog-search-dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 400px;
  max-height: 360px;
  overflow-y: auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 8px 8px;
  z-index: 10;
  display: none;
}

.blog-search-dropdown.is-visible {
  display: block;
}

.blog-search-result {
  display: block;
  padding: 12px 14px;
  text-decoration: none;
  color: inherit;
  border-bottom: 1px solid var(--color-border);
  transition: background-color 0.15s;
}

.blog-search-result:last-child {
  border-bottom: none;
}

.blog-search-result:hover {
  background-color: rgba(79, 142, 247, 0.08);
}

.blog-search-result-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.blog-search-result-context {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.blog-search-result-context mark {
  background: rgba(79, 142, 247, 0.25);
  color: var(--color-text);
  border-radius: 2px;
  padding: 0 2px;
}

.blog-search-empty {
  padding: 16px 14px;
  font-size: 14px;
  color: var(--color-text-secondary);
  text-align: center;
}

/* --- Problem Section --- */
.problem-body {
  color: var(--color-text-secondary);
  font-size: 18px;
  line-height: 1.7;
  margin-top: 20px;
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 48px;
}

.problem-card .emoji {
  font-size: 32px;
  margin-bottom: 16px;
}

.problem-card h3 {
  margin-bottom: 12px;
}

.problem-card p {
  color: var(--color-text-secondary);
  font-size: 16px;
}

/* --- How It Works --- */
.how-it-works .section-intro {
  margin-bottom: 64px;
}

.how-it-works .subtitle {
  color: var(--color-text-secondary);
  margin-top: 16px;
  max-width: 700px;
}

.step-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 64px;
}

.step-row:last-child {
  margin-bottom: 0;
}

.step-text .step-number {
  font-size: 72px;
  font-weight: 700;
  color: var(--color-accent);
  opacity: 0.25;
  line-height: 1;
  margin-bottom: 16px;
}

.step-text h3 {
  font-size: 24px;
  margin-bottom: 16px;
}

.step-text p {
  color: var(--color-text-secondary);
  font-size: 16px;
}

.step-image img {
  border: 1px solid var(--color-border);
  border-radius: 16px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4);
  width: 100%;
}

/* --- Features Grid --- */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 48px;
}

.feature-tile .emoji {
  font-size: 28px;
  margin-bottom: 12px;
}

.feature-tile h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.feature-tile p {
  color: var(--color-text-secondary);
  font-size: 15px;
  line-height: 1.6;
}

/* --- Differentiation Section --- */
.section-surface {
  background-color: var(--color-surface);
}

.diff-columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 32px;
}

.diff-columns p {
  color: var(--color-text-secondary);
  font-size: 17px;
  line-height: 1.7;
}

/* --- Pricing Teaser --- */
.pricing-teaser-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 48px;
  margin-bottom: 48px;
}

.pricing-teaser-col .label {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: 20px;
}

.pricing-teaser-col ul {
  list-style: none;
}

.pricing-teaser-col li {
  padding: 8px 0;
  color: var(--color-text-secondary);
  font-size: 16px;
  border-bottom: 1px solid var(--color-border);
}

.pricing-teaser-col li:last-child {
  border-bottom: none;
}

/* --- Final CTA --- */
.final-cta {
  text-align: center;
  position: relative;
  overflow: hidden;
}

.final-cta::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(79, 142, 247, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.final-cta .container {
  position: relative;
}

.final-cta h2 {
  margin-bottom: 20px;
}

.final-cta .subtitle {
  color: var(--color-text-secondary);
  max-width: 700px;
  margin: 0 auto 40px;
  font-size: 18px;
}

.final-cta .btn-group {
  margin-bottom: 24px;
}

.final-cta .trial-text {
  font-size: 14px;
  color: var(--color-text-secondary);
}

/* --- Pricing Cards --- */
.pricing-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  max-width: 800px;
  margin: 0 auto;
}

.pricing-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 40px 32px;
  text-align: center;
  position: relative;
}

.pricing-card.pro {
  border: 2px solid var(--color-accent);
  box-shadow: 0 0 40px rgba(79, 142, 247, 0.15);
}

.pricing-badge {
  display: inline-block;
  background-color: var(--color-accent);
  color: #ffffff;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 14px;
  border-radius: 6px;
  margin-bottom: 16px;
}

.pricing-card .tier-label {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.pricing-card .price {
  font-size: 48px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.1;
}

.pricing-card .price span {
  font-size: 18px;
  font-weight: 400;
  color: var(--color-text-secondary);
}

.pricing-card .price-subtitle {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-top: 8px;
  margin-bottom: 32px;
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: 32px;
}

.pricing-features li {
  padding: 10px 0;
  color: var(--color-text-secondary);
  font-size: 15px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.pricing-features li::before {
  content: '\2713';
  color: var(--color-accent);
  font-weight: 700;
  flex-shrink: 0;
}

.pricing-card .btn {
  width: 100%;
}

/* --- FAQ Accordion --- */
.faq-section {
  max-width: 800px;
  margin: 0 auto;
}

.faq-section h2 {
  text-align: center;
  margin-bottom: 48px;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  text-align: left;
  gap: 16px;
}

.faq-question span {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-text);
}

.faq-question .chevron {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.faq-question .chevron svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-text-secondary);
}

.faq-item.is-open .faq-question .chevron {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer-inner {
  padding: 0 0 24px;
  color: var(--color-text-secondary);
  font-size: 16px;
  line-height: 1.7;
}

/* --- Support Contact Card --- */
.contact-card {
  max-width: 500px;
  margin: 0 auto 80px;
  text-align: center;
}

.contact-card .emoji {
  font-size: 40px;
  margin-bottom: 16px;
}

.contact-card .email {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.contact-card p {
  color: var(--color-text-secondary);
  font-size: 16px;
  margin-bottom: 24px;
}

/* --- Links Row --- */
.links-row {
  text-align: center;
  padding: 40px 0;
}

.links-row a {
  font-size: 15px;
  font-weight: 600;
}

/* --- Footer --- */
.footer {
  background-color: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: 40px 0 32px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
}

.footer-logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
}

.footer-logo .ai {
  color: var(--color-accent);
}

.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--color-text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 14px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

/* --- Blog Grid (Index) --- */
.blog-listing {
  padding-top: 0;
}

.blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.blog-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.blog-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 24px rgba(79, 142, 247, 0.1);
}

.blog-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.blog-card-body {
  padding: 32px;
}

.blog-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  background-color: rgba(79, 142, 247, 0.1);
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 16px;
}

.blog-card-title {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
  margin-bottom: 12px;
}

.blog-card-excerpt {
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
}

.blog-card-meta {
  font-size: 14px;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.meta-separator {
  opacity: 0.4;
}

/* --- Blog Post (Single) --- */
.blog-post {
  padding: 120px 0 80px;
}

.blog-post-header {
  max-width: 720px;
  margin: 0 auto 48px;
}

.blog-back-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
  transition: color 0.2s;
}

.blog-back-link:hover {
  color: var(--color-accent);
}

.blog-post-header h1 {
  font-size: 32px;
  line-height: 1.2;
  margin-top: 16px;
  margin-bottom: 20px;
}

.blog-post-meta {
  font-size: 14px;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* Blog Post Body */
.blog-post-content {
  max-width: 720px;
  margin: 0 auto;
}

.blog-post-content .lead {
  font-size: 20px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 40px;
  border-left: 3px solid var(--color-accent);
  padding-left: 20px;
}

.blog-post-content h2 {
  font-size: 24px;
  margin-top: 48px;
  margin-bottom: 16px;
}

.blog-post-content h3 {
  font-size: 18px;
  margin-top: 32px;
  margin-bottom: 12px;
  color: var(--color-accent);
}

.blog-post-content p {
  font-size: 17px;
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
}

.blog-post-content p:last-child {
  margin-bottom: 0;
}

/* Blog Post CTA */
.blog-post-cta {
  max-width: 720px;
  margin: 64px auto 0;
  padding: 40px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  text-align: center;
}

.blog-post-cta h3 {
  font-size: 22px;
  margin-bottom: 12px;
}

.blog-post-cta p {
  font-size: 16px;
  color: var(--color-text-secondary);
  max-width: 540px;
  margin: 0 auto 24px;
  line-height: 1.6;
}

/* --- Sign Up Cards --- */
.signup-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.signup-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 36px 32px;
  position: relative;
}

.signup-step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--color-accent);
  color: #ffffff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
}

.signup-card h3 {
  font-size: 22px;
  margin-bottom: 12px;
}

.signup-card p {
  color: var(--color-text-secondary);
  font-size: 16px;
  line-height: 1.7;
}

.signup-store-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.signup-store-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.signup-checklist {
  list-style: none;
  margin-top: 20px;
}

.signup-checklist li {
  padding: 6px 0;
  color: var(--color-text-secondary);
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.signup-checklist li::before {
  content: '\2713';
  color: var(--color-accent);
  font-weight: 700;
  flex-shrink: 0;
}

/* --- Signup Form --- */
.signup-form-wrapper {
  max-width: 520px;
  margin: 0 auto;
}

.form-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 40px 32px;
}

.form-card h3 {
  font-size: 24px;
  margin-bottom: 4px;
}

.form-subtitle {
  color: var(--color-text-secondary);
  font-size: 15px;
  margin-bottom: 28px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text);
}

.form-optional {
  font-weight: 400;
  color: var(--color-text-secondary);
}

.form-group input {
  width: 100%;
  padding: 12px 16px;
  font-size: 16px;
  font-family: var(--font-family);
  color: var(--color-text);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  outline: none;
  transition: border-color 0.2s;
}

.form-group input::placeholder {
  color: var(--color-text-secondary);
  opacity: 0.6;
}

.form-group input:focus {
  border-color: var(--color-accent);
}

.form-error {
  background-color: rgba(239, 68, 68, 0.12);
  color: #f87171;
  font-size: 14px;
  padding: 12px 16px;
  border-radius: var(--radius-btn);
  margin-bottom: 20px;
  line-height: 1.5;
}

.btn-full {
  width: 100%;
  text-align: center;
  padding: 16px 28px;
  font-size: 17px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.btn-full:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.spinner {
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255,255,255,0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.form-legal {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: 16px;
  line-height: 1.6;
  text-align: center;
}

.form-legal a {
  text-decoration: underline;
}

.signup-includes {
  margin-top: 40px;
}

.signup-includes h3 {
  font-size: 20px;
  margin-bottom: 16px;
}

/* --- Signup Result States --- */
.signup-result {
  text-align: center;
  padding: 48px 24px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  margin-bottom: 32px;
}

.signup-result h2 {
  font-size: 28px;
  margin-bottom: 12px;
}

.signup-result p {
  color: var(--color-text-secondary);
  max-width: 440px;
  margin: 0 auto;
  line-height: 1.7;
}

.signup-result-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: rgba(34, 197, 94, 0.15);
  color: #22c55e;
  font-size: 28px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.signup-result-icon--warning {
  background-color: rgba(250, 204, 21, 0.15);
  color: #facc15;
}

/* --- Nav Account Button --- */
.nav-account-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.2s, background-color 0.2s;
}

.nav-account-btn:hover {
  color: var(--color-accent);
  background-color: rgba(79, 142, 247, 0.1);
}

/* --- Account Page --- */
.account-info {
  margin-top: 24px;
}

.account-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
}

.account-row:last-child {
  border-bottom: none;
}

.account-label {
  font-size: 14px;
  color: var(--color-text-secondary);
  font-weight: 600;
}

.account-value {
  font-size: 15px;
  color: var(--color-text);
}

.account-status--active {
  color: #22c55e;
}

.account-status--trial {
  color: #4f8ef7;
}

.account-status--cancelled,
.account-status--expired {
  color: #facc15;
}

.account-status--billing_issue {
  color: #f87171;
}

/* ============================================
   Responsive — Desktop (min-width: 768px)
   ============================================ */
@media (min-width: 768px) {
  .section {
    padding: var(--section-padding);
  }

  h1 {
    font-size: 62px;
  }

  h2 {
    font-size: 40px;
  }

  /* Nav */
  .hamburger {
    display: none;
  }

  .nav-links {
    display: flex;
  }

  .nav-cta {
    display: inline-block;
  }

  .nav-store-buttons {
    display: flex;
  }

  .mobile-menu {
    display: none !important;
  }

  /* Problem grid */
  .problem-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* How it works */
  .step-row {
    grid-template-columns: 1fr 1fr;
    gap: 60px;
  }

  .step-row.reverse .step-image {
    order: -1;
  }

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

  /* Differentiation */
  .diff-columns {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }

  /* Pricing teaser */
  .pricing-teaser-grid {
    grid-template-columns: 1fr 1fr;
  }

  /* Pricing cards */
  .pricing-cards {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .pricing-card.pro {
    padding-top: 48px;
    padding-bottom: 48px;
  }

  /* Hero */
  .hero {
    padding: 120px 24px 80px;
  }

  .page-hero {
    padding: 140px 24px 80px;
  }

  /* Blog grid */
  .blog-grid {
    grid-template-columns: 1fr 1fr;
  }

  .blog-grid .blog-card:first-child {
    grid-column: 1 / -1;
  }

  .blog-grid .blog-card:first-child .blog-card-title {
    font-size: 28px;
  }

  /* Sign up cards */
  .signup-cards {
    grid-template-columns: 1fr 1fr;
  }

  /* Blog post */
  .blog-post-header h1 {
    font-size: 42px;
  }

  .blog-post-content h2 {
    font-size: 28px;
  }
}

/* Tablet feature grid override */
@media (min-width: 768px) and (max-width: 899px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}