/* ============================================
   Tempamail.org — One Page Landing Styles
   ============================================ */

:root {
  --primary: #009688;
  --primary-dark: #00796b;
  --primary-light: #e0f2f1;
  --primary-opacity: #AED581;
  --secondary: #F44336;
  --secondary-dark: #d32f2f;
  --text: #212121;
  --text-light: #555;
  --text-muted: #888;
  --bg: #f9f9f9;
  --white: #ffffff;
  --footer-bg: #192132;
  --card-bg: #ffffff;
  --border: #e0e0e0;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
  --radius: 8px;
  --radius-lg: 12px;
  --transition: 0.25s ease;
}

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 70px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ============================================
   Navigation
   ============================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--primary);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
  transition: background var(--transition);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
}

.logo-icon {
  color: var(--white);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  display: inline-block;
  padding: 8px 16px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 6px;
  transition: color var(--transition), background var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--white);
  background: rgba(255, 255, 255, 0.12);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: 120px 0 60px;
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 50%;
}

.hero-title {
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1.2;
  max-width: 720px;
  margin: 0 auto 16px;
  letter-spacing: -0.02em;
  position: relative;
  z-index: 1;
}

.hero-subtitle {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.6;
  position: relative;
  z-index: 1;
}

/* Email Widget */
.email-widget {
  max-width: 640px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.email-display {
  display: block;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 16px 24px;
  margin-bottom: 14px;
  box-shadow: var(--shadow-lg);
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition);
}

.email-display--link {
  cursor: pointer;
}

.email-display--link:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
}

.email-reveal {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}

.email-address {
  display: inline;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.01em;
}

.email-address .email-visible {
  /* visible portion of the email */
}

.email-address .email-hidden {
  filter: blur(5px);
  user-select: none;
  pointer-events: none;
  opacity: 0.7;
  transition: filter 0.3s ease;
}

.email-display--link:hover .email-hidden {
  filter: blur(3px);
  opacity: 0.85;
}

.email-mask {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: 12px;
  padding: 5px 14px;
  background: var(--primary);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 6px;
  white-space: nowrap;
  transition: background var(--transition), transform var(--transition);
}

.email-display--link:hover .email-mask {
  background: var(--primary-dark);
  transform: scale(1.03);
}

.email-actions {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  background: rgba(255, 255, 255, 0.15);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  font-family: inherit;
  backdrop-filter: blur(4px);
}

.action-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-1px);
}

.action-btn:active {
  transform: translateY(0);
}

.action-btn--danger {
  background: rgba(244, 67, 54, 0.3);
  border-color: rgba(244, 67, 54, 0.4);
}

.action-btn--danger:hover {
  background: rgba(244, 67, 54, 0.5);
}

/* ============================================
   Inbox Section
   ============================================ */

.inbox-section {
  padding: 0 0 60px;
  margin-top: -20px;
  position: relative;
  z-index: 2;
}

.inbox-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
  border: 1px solid var(--border);
}

.inbox-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--white);
}

.inbox-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.inbox-title svg {
  color: var(--primary);
}

.inbox-refresh {
  display: flex;
  align-items: center;
  gap: 10px;
}

.refresh-text {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.refresh-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--white);
  color: var(--primary);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}

.refresh-btn:hover {
  background: var(--primary-light);
  border-color: var(--primary);
}

.inbox-body {
  display: block;
  padding: 48px 24px;
  text-decoration: none;
  color: inherit;
  transition: background var(--transition);
}

.inbox-body--link:hover {
  background: #f5f5f5;
}

.inbox-open-btn {
  display: inline-block;
  margin-top: 16px;
  padding: 10px 28px;
  background: var(--primary);
  color: var(--white);
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--radius);
  transition: background var(--transition), transform var(--transition);
}

.inbox-body--link:hover .inbox-open-btn {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

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

.inbox-empty-icon {
  color: var(--border);
  margin: 0 auto 16px;
}

.inbox-empty-text {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.inbox-empty-sub {
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 380px;
  margin: 0 auto;
}

/* ============================================
   Section Shared Styles
   ============================================ */

.section-badge {
  display: inline-block;
  padding: 4px 14px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 600;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-light);
  max-width: 540px;
  margin: 0 auto 48px;
  line-height: 1.6;
}

/* ============================================
   Features Section
   ============================================ */

.features-section {
  padding: 80px 0;
  text-align: center;
  background: var(--white);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  padding: 36px 28px;
  background: var(--bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 14px;
  margin-bottom: 20px;
}

.feature-icon--green {
  background: rgba(174, 213, 129, 0.2);
  color: #558b2f;
}

.feature-icon--teal {
  background: rgba(0, 150, 136, 0.1);
  color: var(--primary);
}

.feature-icon--red {
  background: rgba(244, 67, 54, 0.1);
  color: var(--secondary);
}

.feature-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}

.feature-desc {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.65;
}

/* ============================================
   How It Works Section
   ============================================ */

.how-section {
  padding: 80px 0;
  text-align: center;
  background: var(--bg);
}

.steps-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.step-card {
  flex: 1;
  max-width: 300px;
  padding: 36px 24px;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: var(--white);
  font-size: 1.3rem;
  font-weight: 800;
  border-radius: 50%;
  margin-bottom: 18px;
}

.step-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}

.step-desc {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.65;
}

.step-link {
  color: var(--primary);
  text-decoration: underline;
  font-weight: 600;
}

.step-connector {
  color: var(--primary);
  flex-shrink: 0;
  opacity: 0.5;
}

/* ============================================
   Content Sections (What Is / Tech Behind)
   ============================================ */

.content-section {
  padding: 80px 0;
}

.content-section--white {
  background: var(--white);
}

.content-section--gray {
  background: var(--bg);
}

.content-two-col {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.content-two-col--reverse {
  grid-template-columns: 1fr 0.45fr;
  align-items: start;
}

.content-two-col--reverse .content-col-image {
  order: -1;
}

.content-col-text .section-badge {
  margin-bottom: 12px;
}

.content-col-text .section-title {
  text-align: left;
  margin-bottom: 20px;
  line-height: 1.25;
}

.content-col-text p {
  font-size: 0.94rem;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 18px;
  max-width: 65ch;
}

.content-col-text h3 {
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--text);
  margin: 32px 0 12px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

.content-col-text h3:first-of-type {
  border-top: none;
  padding-top: 0;
}

.content-col-text code {
  display: inline;
  padding: 2px 7px;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: 0.88em;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
}

.content-col-text strong {
  color: var(--text);
}

.inline-link {
  color: var(--primary);
  text-decoration: underline;
  text-decoration-color: rgba(0, 150, 136, 0.3);
  text-underline-offset: 2px;
  font-weight: 600;
  transition: text-decoration-color var(--transition);
}

.inline-link:hover {
  text-decoration-color: var(--primary);
}

.content-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.content-col-image--sticky {
  position: sticky;
  top: 84px;
  align-self: flex-start;
}

.image-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  padding: 12px 24px;
  background: var(--secondary);
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius);
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(244, 67, 54, 0.3);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.image-cta-btn:hover {
  background: var(--secondary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(244, 67, 54, 0.4);
}

/* ============================================
   CTA Section
   ============================================ */

.cta-section {
  padding: 72px 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  text-align: center;
  color: var(--white);
}

.cta-title {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.cta-subtitle {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 480px;
  margin: 0 auto 32px;
  line-height: 1.6;
}

.cta-main-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  background: var(--secondary);
  color: var(--white);
  font-size: 1.1rem;
  font-weight: 700;
  border-radius: var(--radius);
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(244, 67, 54, 0.35);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.cta-main-btn:hover {
  background: var(--secondary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(244, 67, 54, 0.45);
}

.cta-main-btn:active {
  transform: translateY(0);
}

/* ============================================
   FAQ Section
   ============================================ */

.faq-section {
  padding: 80px 0;
  background: var(--bg);
}

.faq-section .section-title {
  text-align: center;
  margin-bottom: 40px;
}

.faq-grid {
  max-width: 780px;
  margin: 0 auto 56px;
}

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

.faq-item:first-child {
  border-top: 1px solid var(--border);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 18px 4px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text);
  gap: 16px;
  transition: color var(--transition);
}

.faq-question:hover {
  color: var(--primary);
}

.faq-chevron {
  flex-shrink: 0;
  transition: transform var(--transition);
  color: var(--text-muted);
}

.faq-question[aria-expanded="true"] .faq-chevron {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-answer.open {
  max-height: 300px;
}

.faq-answer p {
  padding: 0 4px 18px;
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* Content Block */
.content-block {
  max-width: 780px;
  margin: 0 auto;
}

.content-block h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  margin: 32px 0 12px;
}

.content-block h3:first-child {
  margin-top: 0;
}

.content-block p {
  font-size: 0.92rem;
  color: var(--text-light);
  line-height: 1.75;
  margin-bottom: 14px;
}

.content-block ul {
  margin: 14px 0;
  padding-left: 0;
}

.content-block li {
  position: relative;
  padding: 8px 0 8px 24px;
  font-size: 0.92rem;
  color: var(--text-light);
  line-height: 1.65;
}

.content-block li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 16px;
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
}

/* ============================================
   Footer
   ============================================ */

.footer {
  background: var(--footer-bg);
  color: rgba(255, 255, 255, 0.7);
  padding: 56px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 14px;
}

.footer-desc {
  font-size: 0.88rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.55);
}

.footer-heading {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.55);
  transition: color var(--transition);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.82rem;
}

.footer-social {
  display: flex;
  gap: 16px;
}

.footer-social a {
  color: rgba(255, 255, 255, 0.45);
  transition: color var(--transition);
}

.footer-social a:hover {
  color: var(--white);
}

/* ============================================
   Responsive — Tablet
   ============================================ */

@media (max-width: 1024px) {
  .container {
    padding: 0 28px;
  }

  .hero-title {
    font-size: 2rem;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .content-section {
    padding: 64px 0;
  }

  .content-two-col,
  .content-two-col--reverse {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .content-two-col--reverse .content-col-image {
    order: 0;
  }

  .content-col-image--sticky {
    position: static;
  }

  .content-col-image {
    max-width: 480px;
    margin: 0 auto;
  }

  .content-col-text .section-title {
    text-align: left;
  }

  .content-col-text p {
    max-width: none;
  }

  .image-cta-btn {
    display: flex;
    justify-content: center;
    width: 100%;
    max-width: 480px;
    margin: 20px auto 0;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps-grid {
    flex-wrap: wrap;
  }

  .step-connector {
    display: none;
  }

  .step-card {
    max-width: none;
    flex: 1 1 calc(50% - 16px);
  }

  .section-title {
    font-size: 1.75rem;
  }

  .faq-section {
    padding: 64px 0;
  }
}

/* ============================================
   Responsive — Mobile
   ============================================ */

@media (max-width: 768px) {
  .container {
    padding: 0 18px;
  }

  /* -- Nav -- */
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--primary-dark);
    flex-direction: column;
    padding: 16px 20px;
    gap: 4px;
    transform: translateY(-120%);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
  }

  .nav-link {
    display: block;
    padding: 12px 16px;
    width: 100%;
    border-radius: var(--radius);
  }

  /* -- Hero -- */
  .hero {
    padding: 100px 0 44px;
  }

  .hero-title {
    font-size: 1.6rem;
    max-width: 400px;
  }

  .hero-subtitle {
    font-size: 0.9rem;
    max-width: 380px;
  }

  .email-display {
    padding: 14px 16px;
  }

  .email-reveal {
    flex-direction: column;
    gap: 8px;
  }

  .email-address {
    font-size: 0.92rem;
    word-break: break-all;
  }

  .email-mask {
    margin-left: 0;
    font-size: 0.72rem;
  }

  .email-actions {
    gap: 6px;
  }

  .action-btn {
    padding: 8px 10px;
    font-size: 0.75rem;
    gap: 4px;
  }

  .action-btn svg {
    width: 14px;
    height: 14px;
  }

  /* -- Inbox -- */
  .inbox-section {
    padding: 0 0 40px;
  }

  .inbox-header {
    padding: 12px 16px;
  }

  .inbox-body {
    padding: 32px 16px;
  }

  .inbox-empty-icon {
    width: 36px;
    height: 36px;
  }

  .inbox-empty-text {
    font-size: 1rem;
  }

  .inbox-empty-sub {
    font-size: 0.84rem;
    max-width: 300px;
  }

  .inbox-open-btn {
    padding: 9px 22px;
    font-size: 0.84rem;
  }

  /* -- Section shared -- */
  .section-title {
    font-size: 1.4rem;
    line-height: 1.3;
  }

  .section-subtitle {
    font-size: 0.9rem;
    margin-bottom: 36px;
  }

  .section-badge {
    font-size: 0.72rem;
    padding: 3px 12px;
  }

  /* -- Features -- */
  .features-section {
    padding: 56px 0;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .feature-card {
    padding: 28px 22px;
  }

  .feature-desc {
    font-size: 0.86rem;
  }

  /* -- How it works -- */
  .how-section {
    padding: 56px 0;
  }

  .steps-grid {
    flex-direction: column;
    gap: 14px;
  }

  .step-card {
    flex: 1 1 100%;
    max-width: none;
    padding: 28px 22px;
  }

  .step-desc {
    font-size: 0.84rem;
  }

  /* -- Content sections (What Is / Tech Behind) -- */
  .content-section {
    padding: 48px 0;
  }

  .content-col-text .section-title {
    font-size: 1.35rem;
    text-align: left;
    line-height: 1.3;
  }

  .content-col-text p {
    font-size: 0.88rem;
    line-height: 1.75;
    margin-bottom: 14px;
  }

  .content-col-text h3 {
    font-size: 1.05rem;
    margin: 24px 0 10px;
    padding-top: 16px;
  }

  .content-col-image {
    max-width: 100%;
  }

  .content-image {
    border-radius: var(--radius);
  }

  .image-cta-btn {
    width: 100%;
    justify-content: center;
    font-size: 0.85rem;
    padding: 12px 20px;
  }

  /* -- CTA -- */
  .cta-section {
    padding: 48px 0;
  }

  .cta-title {
    font-size: 1.4rem;
  }

  .cta-subtitle {
    font-size: 0.9rem;
    margin-bottom: 24px;
  }

  .cta-main-btn {
    font-size: 0.92rem;
    padding: 14px 24px;
    width: 100%;
    justify-content: center;
  }

  /* -- FAQ -- */
  .faq-section {
    padding: 48px 0;
  }

  .faq-question {
    font-size: 0.9rem;
    padding: 16px 2px;
  }

  .faq-answer p {
    font-size: 0.85rem;
    line-height: 1.7;
    padding: 0 2px 14px;
  }

  .content-block h3 {
    font-size: 1.1rem;
    margin: 24px 0 10px;
  }

  .content-block p {
    font-size: 0.86rem;
    line-height: 1.7;
  }

  .content-block li {
    font-size: 0.86rem;
    padding-left: 20px;
  }

  .content-block li::before {
    width: 6px;
    height: 6px;
    top: 14px;
  }

  /* -- Footer -- */
  .footer {
    padding: 40px 0 0;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 14px;
    text-align: center;
  }
}

/* ============================================
   Responsive — Small Mobile
   ============================================ */

@media (max-width: 400px) {
  .container {
    padding: 0 14px;
  }

  .hero-title {
    font-size: 1.35rem;
  }

  .hero-subtitle {
    font-size: 0.84rem;
  }

  .email-address {
    font-size: 0.82rem;
  }

  .email-actions {
    gap: 4px;
  }

  .action-btn {
    padding: 10px;
    font-size: 0;
    gap: 0;
    line-height: 0;
  }

  .action-btn svg {
    width: 18px;
    height: 18px;
  }

  .section-title {
    font-size: 1.25rem;
  }

  .content-col-text .section-title {
    font-size: 1.2rem;
  }

  .content-col-text p {
    font-size: 0.84rem;
    line-height: 1.7;
  }

  .content-col-text h3 {
    font-size: 1rem;
  }

  .cta-main-btn {
    font-size: 0.85rem;
    padding: 13px 18px;
  }

  .faq-question {
    font-size: 0.84rem;
    gap: 10px;
  }
}

/* ============================================
   Animations
   ============================================ */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(24px);
}

.fade-in.visible {
  animation: fadeInUp 0.6s ease forwards;
}

/* Staggered delays for grids */
.feature-card:nth-child(1),
.step-card:nth-child(1) { animation-delay: 0s; }
.feature-card:nth-child(2),
.step-card:nth-child(2) { animation-delay: 0.1s; }
.feature-card:nth-child(3),
.step-card:nth-child(3) { animation-delay: 0.2s; }

/* ============================================
   Scrollbar
   ============================================ */

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: #ccc;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #aaa;
}

/* ============================================
   Utility
   ============================================ */

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