/* ---------------------------------------------------
   Desirement Solutions Platform — shared styles
--------------------------------------------------- */

:root {
  --white: #FFFFFF;
  --light-green: #EEF2EA;
  --grey: #EEF0F2;
  --green: #12732B;
  --dark-blue: #002D5D;

  --text-muted: #4B5563;
  --text-body: #000000;
  --border-color: #D9DEE3;

  --font-heading: "Times New Roman", Times, serif;
  --font-body: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --max-width: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text-body);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--dark-blue);
  margin: 0;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

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

/* ---------------- Buttons ---------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 32px;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 3px;
  border: 1.5px solid var(--dark-blue);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--dark-blue);
  color: var(--white);
}

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

.btn-secondary {
  background: var(--white);
  color: var(--dark-blue);
}

.btn-secondary:hover {
  background: var(--green);
  border-color: var(--green);
  color: var(--white);
}

.btn-block {
  width: 100%;
}

.btn-sm {
  padding: 11px 22px;
  font-size: 16px;
}

/* ---------------- Header ---------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--border-color);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.logo-mark {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: var(--dark-blue);
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-group {
  display: flex;
  align-items: center;
  gap: 48px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 40px;
}

.main-nav a {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--dark-blue);
  text-transform: uppercase;
  position: relative;
  padding: 4px 0;
  transition: color 0.15s ease;
}

.main-nav a.active,
.main-nav a:hover {
  color: var(--green);
  border-bottom: 2px solid var(--green);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span,
.nav-toggle::before,
.nav-toggle::after {
  content: "";
  display: block;
  width: 24px;
  height: 2px;
  background: var(--dark-blue);
  margin: 5px 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ---------------- Hero ---------------- */

.hero {
  background: var(--light-green);
  padding: 64px 0 96px;
  position: relative;
  text-align: center;
}

.hero-contact {
  position: absolute;
  top: 28px;
  right: 24px;
  font-size: 16px;
  color: var(--text-muted);
}

.hero h1 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 24px;
}

.hero p {
  max-width: 620px;
  margin: 0 auto 36px;
  color: var(--text-body);
  line-height: 1.7;
  font-size: 16px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
}

/* ---------------- About ---------------- */

.about {
  padding: 96px 0;
}

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

.about h2 {
  font-size: 36px;
  margin-bottom: 24px;
}

.about p {
  line-height: 1.8;
  font-size: 16px;
  color: var(--text-body);
}

.placeholder-image {
  background: #EAF3FE;
  border-radius: 4px;
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
}

.placeholder-image svg {
  width: 64px;
  height: 64px;
  opacity: 0.9;
}

/* ---------------- Benefits ---------------- */

.benefits {
  background: var(--light-green);
  padding: 120px 0;
}

.benefits .container {
  padding-left: 80px;
  padding-right: 80px;
}

.benefits h2 {
  font-size: 36px;
  text-align: center;
  margin-bottom: 56px;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 120px 96px;
}

.benefit-card .placeholder-image {
  width: 224px;
  height: 224px;
  border-radius: 12px;
  background: var(--white);
  margin-bottom: 28px;
}

.benefit-card h3 {
  font-size: 19px;
  margin-bottom: 14px;
}

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

/* ---------------- Pricing ---------------- */

.pricing {
  padding: 96px 0;
}

.pricing h2 {
  font-size: 36px;
  text-align: center;
  margin-bottom: 56px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.pricing-card {
  background: var(--grey);
  border-radius: 4px;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
}

.pricing-card .tier-name {
  text-align: center;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.pricing-card .tier-price {
  text-align: center;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 4px;
  margin-bottom: 4px;
}

.pricing-card .tier-price .currency {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark-blue);
  margin-top: 8px;
}

.pricing-card .tier-price .amount {
  font-size: 40px;
  font-weight: 700;
  color: var(--dark-blue);
  font-family: var(--font-heading);
}

.pricing-card .tier-period {
  text-align: center;
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.pricing-card .tier-desc {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-body);
  margin-bottom: 24px;
  min-height: 66px;
}

.pricing-card .tier-features {
  margin-bottom: 28px;
  flex-grow: 1;
}

.pricing-card .tier-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  color: var(--text-body);
  padding: 7px 0;
  border-top: 1px solid rgba(0, 45, 93, 0.08);
}

.pricing-card .tier-features li:first-child {
  border-top: none;
  font-weight: 700;
  color: var(--dark-blue);
}

.pricing-card .tier-features svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  color: var(--green);
}

.pricing-compare {
  display: flex;
  justify-content: center;
}

/* ---------------- FAQs ---------------- */

.faqs {
  background: var(--light-green);
  padding: 96px 0;
}

.faqs h2 {
  font-size: 36px;
  text-align: center;
  margin-bottom: 48px;
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--white);
  border-radius: 4px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 28px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  color: var(--dark-blue);
  text-align: left;
}

.faq-question .icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border: 1.5px solid var(--dark-blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease;
  position: relative;
}

.faq-question .icon::before,
.faq-question .icon::after {
  content: "";
  position: absolute;
  background: var(--dark-blue);
}

.faq-question .icon::before {
  width: 8px;
  height: 1.5px;
}

.faq-question .icon::after {
  width: 1.5px;
  height: 8px;
  transition: opacity 0.2s ease;
}

.faq-item.open .faq-question .icon::after {
  opacity: 0;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}

.faq-answer p {
  padding: 0 28px 24px;
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-body);
}

/* ---------------- CTA ---------------- */

.cta {
  padding: 96px 0;
}

.cta .container {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 64px;
  align-items: center;
}

.pie-chart {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: conic-gradient(var(--dark-blue) 0deg 260deg, var(--grey) 260deg 360deg);
  margin: 0 auto;
}

.cta h2 {
  font-size: 34px;
  margin-bottom: 16px;
}

.cta > .container > p,
.cta-copy {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-body);
  margin-bottom: 28px;
}

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

.form-field label {
  display: block;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--dark-blue);
  margin-bottom: 8px;
}

.form-field .input-wrap {
  position: relative;
}

.form-field input,
.form-field select {
  width: 100%;
  padding: 14px 16px;
  background: var(--grey);
  border: 1px solid transparent;
  border-radius: 3px;
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--dark-blue);
}

.form-field input:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--dark-blue);
  background: var(--white);
}

.form-field input::placeholder {
  color: var(--text-muted);
  opacity: 1;
}

.form-field .check-icon {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--green);
}

/* ---------------- Footer ---------------- */

.site-footer {
  background: var(--dark-blue);
  color: var(--white);
  padding: 56px 0 40px;
}

.site-footer .container {
  display: grid;
  grid-template-columns: auto 1fr 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  white-space: nowrap;
}

.footer-links li,
.footer-social li {
  margin-bottom: 14px;
}

.footer-links a,
.footer-social a {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.85);
  display: flex;
  align-items: center;
  gap: 10px;
  transition: color 0.15s ease, text-decoration-color 0.15s ease;
}

.footer-links a:hover,
.footer-social a:hover {
  color: var(--white);
  text-decoration: underline;
}

.footer-social svg {
  width: 15px;
  height: 15px;
}

.footer-contact {
  font-size: 16px;
  line-height: 2;
  color: rgba(255, 255, 255, 0.85);
  text-align: right;
}

/* ---------------- Payment page ---------------- */

.payment {
  padding: 64px 0 96px;
}

.payment .container {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 80px;
  align-items: start;
}

.payment h1 {
  font-size: 44px;
  margin-bottom: 44px;
}

.payment-form {
  display: flex;
  flex-direction: column;
  gap: 40px;
  max-width: 640px;
}

.payment-form h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--dark-blue);
  text-transform: none;
  padding-bottom: 16px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
  font-family: var(--font-heading);
}

.form-field-sm {
  max-width: 120px;
}

.form-field-date {
  max-width: 200px;
}

.expiry-row select {
  width: auto;
  flex: 1;
  min-width: 0;
  padding: 14px 8px;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.card-number-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.card-number-wrap input {
  flex-grow: 1;
}

.card-brand {
  flex-shrink: 0;
  color: var(--dark-blue);
  font-weight: 800;
  font-style: italic;
  font-size: 16px;
  letter-spacing: -0.5px;
}

.expiry-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.expiry-row input {
  text-align: center;
}

.expiry-row span {
  color: var(--text-muted);
}

.order-summary {
  position: sticky;
  top: 108px;
}

.summary-card {
  background: var(--light-green);
  border-radius: 4px;
  padding: 32px;
  margin-bottom: 8px;
}

.summary-card .tier-name {
  font-size: 22px;
  font-family: var(--font-heading);
  color: var(--dark-blue);
  margin-bottom: 12px;
}

.summary-card .tier-price {
  display: flex;
  align-items: flex-start;
  gap: 4px;
  margin-bottom: 2px;
}

.summary-card .tier-price .currency {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark-blue);
  margin-top: 8px;
}

.summary-card .tier-price .amount {
  font-size: 40px;
  font-weight: 700;
  color: var(--dark-blue);
  font-family: var(--font-heading);
}

.summary-card .tier-period {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.billing-toggle {
  display: flex;
  gap: 24px;
  margin-bottom: 24px;
}

.billing-toggle label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  color: var(--dark-blue);
  cursor: pointer;
}

.billing-toggle .box {
  width: 18px;
  height: 18px;
  border: 1.5px solid var(--dark-blue);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
}

.billing-toggle input {
  display: none;
}

.billing-toggle input:checked + .box {
  background: var(--dark-blue);
}

.billing-toggle input:checked + .box svg {
  display: block;
}

.billing-toggle .box svg {
  display: none;
  width: 11px;
  height: 11px;
  color: var(--white);
}

.summary-card .tier-desc {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-body);
}

.summary-lines {
  padding-top: 8px;
}

.qty-stepper {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-bottom: 20px;
}

.qty-stepper button {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: var(--white);
  color: var(--dark-blue);
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.qty-stepper button:hover {
  background: var(--dark-blue);
  border-color: var(--dark-blue);
  color: var(--white);
}

.summary-line {
  display: flex;
  justify-content: space-between;
  padding: 16px 0;
  border-top: 1px solid var(--border-color);
  font-size: 16px;
  color: var(--text-body);
}

.summary-line.total {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark-blue);
}

.summary-line.total span:last-child {
  font-family: var(--font-heading);
}

/* ---------------- Tier 1 page ---------------- */

.tier-hero {
  background: var(--light-green);
  padding: 64px 0 72px;
  text-align: center;
}

.tier-badge {
  display: inline-block;
  padding: 6px 16px;
  border: 1.5px solid var(--dark-blue);
  border-radius: 3px;
  color: var(--dark-blue);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.tier-hero h1 {
  font-size: 44px;
  margin-bottom: 20px;
}

.tier-hero p {
  max-width: 620px;
  margin: 0 auto;
  color: var(--text-body);
  line-height: 1.7;
}

.tier-info,
.tier-videos,
.tier-downloads {
  padding: 88px 0;
}

.tier-videos {
  background: var(--light-green);
}

.tier-info h2,
.tier-videos h2,
.tier-downloads h2 {
  font-size: 34px;
  margin-bottom: 40px;
}

.tier-info-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 80px;
  align-items: start;
}

.info-blocks {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.tier-sidebar {
  position: sticky;
  top: 108px;
}

.notifications-card {
  background: var(--light-green);
  border-radius: 4px;
  padding: 40px;
}

.notifications-card h3 {
  font-size: 26px;
  margin-bottom: 28px;
}

.notifications-list {
  display: flex;
  flex-direction: column;
}

.notification-item {
  display: flex;
  padding-bottom: 24px;
  margin-bottom: 24px;
}

.notification-content {
  min-width: 0;
}

.notification-title {
  font-weight: 700;
  color: var(--dark-blue);
  font-size: 18px;
  margin-bottom: 6px;
}

.notification-desc {
  color: var(--text-body);
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 8px;
}

.notification-time {
  color: var(--text-muted);
  font-size: 14px;
}

.notification-item:not(:last-child) {
  border-bottom: 1px solid var(--border-color);
}

.notification-item:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
}

.notification-item--featured {
  background: var(--white);
  border-radius: 4px;
  padding: 24px;
  border-bottom: none;
}

.notification-item--featured .notification-title {
  font-size: 22px;
}

.notifications-footer {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

.info-block h3 {
  font-size: 21px;
  margin-bottom: 12px;
}

.info-block p {
  color: var(--text-body);
  line-height: 1.7;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.video-thumb {
  background: #EAF3FE;
  border-radius: 4px;
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.play-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--dark-blue);
  display: flex;
  align-items: center;
  justify-content: center;
}

.play-icon svg {
  width: 22px;
  height: 22px;
  color: var(--white);
  margin-left: 3px;
}

.video-card h3 {
  font-size: 20px;
  margin-bottom: 8px;
}

.video-card p {
  color: var(--text-body);
  line-height: 1.7;
}

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

.download-card {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--grey);
  border-radius: 4px;
  padding: 24px 28px;
}

.download-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 4px;
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--dark-blue);
}

.download-icon svg {
  width: 20px;
  height: 20px;
}

.download-info {
  flex-grow: 1;
  min-width: 0;
}

.download-info h3 {
  font-size: 19px;
  margin-bottom: 4px;
}

.download-info p {
  color: var(--text-muted);
  font-size: 16px;
}

.download-card .btn {
  flex-shrink: 0;
}

/* ---------------- Chatbot widget ---------------- */

.chatbot {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 200;
}

.chatbot-toggle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: none;
  background: var(--green);
  color: var(--white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(18, 115, 43, 0.28);
  transition: background 0.15s ease;
}

.chatbot-toggle:hover {
  background: var(--dark-blue);
}

.chatbot-toggle svg {
  width: 24px;
  height: 24px;
}

.chatbot-icon-close {
  display: none;
}

.chatbot.open .chatbot-icon-open {
  display: none;
}

.chatbot.open .chatbot-icon-close {
  display: block;
}

.chatbot-panel {
  position: absolute;
  right: 0;
  bottom: 72px;
  width: 340px;
  max-height: 460px;
  background: var(--white);
  border-radius: 8px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.18);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.chatbot.open .chatbot-panel {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.chatbot-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  background: var(--dark-blue);
  color: var(--white);
  padding: 18px 20px;
  flex-shrink: 0;
}

.chatbot-header h3 {
  font-size: 17px;
  color: var(--white);
  margin-bottom: 2px;
}

.chatbot-header p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.75);
}

.chatbot-close {
  background: none;
  border: none;
  color: var(--white);
  cursor: pointer;
  padding: 2px;
  flex-shrink: 0;
}

.chatbot-close svg {
  width: 16px;
  height: 16px;
}

.chatbot-messages {
  flex-grow: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--grey);
}

.chat-message {
  max-width: 82%;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.5;
}

.chat-message--bot {
  align-self: flex-start;
  background: var(--white);
  color: var(--text-body);
  border-bottom-left-radius: 4px;
}

.chat-message--user {
  align-self: flex-end;
  background: var(--dark-blue);
  color: var(--white);
  border-bottom-right-radius: 4px;
}

.chatbot-input-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px;
  border-top: 1px solid var(--border-color);
  flex-shrink: 0;
}

.chatbot-input {
  flex-grow: 1;
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 10px 16px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-body);
}

.chatbot-input:focus {
  outline: none;
  border-color: var(--dark-blue);
}

.chatbot-send {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: var(--dark-blue);
  color: var(--white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease;
}

.chatbot-send:hover {
  background: var(--green);
}

.chatbot-send svg {
  width: 16px;
  height: 16px;
}

/* ---------------- Responsive ---------------- */

@media (max-width: 900px) {
  .benefits .container {
    padding-left: 40px;
    padding-right: 40px;
  }

  .main-nav {
    position: fixed;
    top: 84px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
    gap: 20px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .main-nav.open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .nav-toggle {
    display: block;
  }

  .about .container,
  .cta .container,
  .payment .container,
  .tier-info-layout {
    grid-template-columns: 1fr;
  }

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

  .tier-sidebar {
    position: static;
  }

  .site-footer .container {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .footer-contact {
    text-align: left;
  }

  .order-summary {
    position: static;
  }
}

@media (max-width: 560px) {
  .benefits .container {
    padding-left: 24px;
    padding-right: 24px;
  }

  .hero h1 {
    font-size: 34px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .benefits-grid,
  .pricing-grid,
  .info-blocks,
  .video-grid,
  .field-row {
    grid-template-columns: 1fr;
  }

  .download-card {
    flex-wrap: wrap;
  }

  .site-footer .container {
    grid-template-columns: 1fr;
  }

  .hero-contact {
    position: static;
    display: block;
    margin-bottom: 16px;
  }

  .chatbot {
    right: 16px;
    bottom: 16px;
  }

  .chatbot-panel {
    width: calc(100vw - 32px);
    max-height: 70vh;
  }
}