/* ================================================================
   TripAdvance Landing — Styles (Mobile-first, no frameworks)
   ================================================================ */

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

:root {
  --color-primary: #1A56DB;
  --color-primary-hover: #1648c0;
  --color-primary-light: #e8effd;
  --color-accent: #3B82F6;
  --color-dark: #161614;
  --color-dark-alt: #1e1e1c;
  --color-light: #F9F9F9;
  --color-white: #ffffff;
  --color-text: #1A1A1A;
  --color-text-secondary: #666666;
  --color-text-light: #cdcdcd;
  --color-border: #e5e7eb;
  --color-success: #059669;
  --color-error: #dc2626;

  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;

  --container-max: 1200px;
  --container-padding: 20px;

  --header-height: 70px;

  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: var(--color-primary-hover); }

ul { list-style: none; }

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

/* ----- Header ----- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(22, 22, 20, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  font-weight: 700;
  color: var(--color-white);
  text-decoration: none;
}
.header__logo:hover { color: var(--color-white); }

.header__logo-icon {
  color: var(--color-primary);
  font-size: 24px;
}

.header__logo-text {
  letter-spacing: -0.3px;
}

/* Navigation */
.header__nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header__nav-link {
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-light);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
}
.header__nav-link:hover {
  color: var(--color-white);
  background: rgba(255,255,255,0.08);
}

.header__nav-link--cta {
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 600;
}
.header__nav-link--cta:hover {
  background: var(--color-primary-hover);
  color: var(--color-white);
}

/* Burger */
.header__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.header__burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.header__burger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.header__burger.active span:nth-child(2) {
  opacity: 0;
}
.header__burger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Section defaults ===== */
.section {
  padding: 80px 0;
}

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

.section--light {
  background: var(--color-light);
}

.section__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 48px;
}

.section__title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 12px;
}

.section__title--light { color: var(--color-white); }

.section__subtitle {
  font-size: 17px;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.section--dark .section__subtitle { color: var(--color-text-light); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  padding: 12px 24px;
  transition: all var(--transition-fast);
}

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

.btn--outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.3);
}
.btn--outline:hover {
  border-color: var(--color-white);
  color: var(--color-white);
}

.btn--lg {
  padding: 14px 32px;
  font-size: 16px;
}

.btn--block {
  display: flex;
  width: 100%;
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--color-dark);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(26,86,219,0.15) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 50%, rgba(59,130,246,0.08) 0%, transparent 60%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
}

.hero__content {
  max-width: 800px;
}

.hero__badge {
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-light);
  background: rgba(255,255,255,0.06);
  padding: 8px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
  border: 1px solid rgba(255,255,255,0.1);
}

.hero__title {
  font-size: clamp(36px, 6vw, 66px);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 8px;
}

.hero__title-line {
  display: block;
}

.hero__title-accent {
  display: block;
  color: var(--color-primary);
  font-size: clamp(28px, 5vw, 54px);
  margin: 8px 0;
  letter-spacing: 2px;
}

.hero__title-line--alt {
  font-size: clamp(28px, 5vw, 54px);
  color: var(--color-primary);
  letter-spacing: 2px;
}

.hero__subtitle {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--color-text-light);
  margin: 20px 0 32px;
  max-width: 600px;
  line-height: 1.5;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== FEATURES ===== */
.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  transition: box-shadow var(--transition-normal), transform var(--transition-normal);
}

.feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.feature-card--wide {
  grid-column: 1 / -1;
  max-width: 600px;
  margin: 0 auto;
}

.feature-card__icon {
  font-size: 36px;
  margin-bottom: 16px;
  line-height: 1;
}

.feature-card__title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card__desc {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* ===== GROWTH ===== */
.growth__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.growth__content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.growth__text {
  font-size: 17px;
  color: var(--color-text-light);
  line-height: 1.6;
}

.growth__quote {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-primary);
  border-left: 3px solid var(--color-primary);
  padding-left: 20px;
  margin: 8px 0;
}

.growth__chart {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: 32px;
}

.growth__chart-item {
  margin-bottom: 24px;
}

.growth__chart-label {
  display: block;
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 8px;
}

.growth__chart-bar {
  height: 36px;
  background: rgba(255,255,255,0.08);
  border-radius: 8px;
  overflow: hidden;
}

.growth__chart-fill {
  height: 100%;
  background: var(--color-text-light);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 12px;
  transition: width 1s ease;
}

.growth__chart-fill--primary {
  background: var(--color-primary);
}

.growth__chart-value {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-white);
}

.growth__chart-caption {
  font-size: 13px;
  color: var(--color-text-light);
  text-align: center;
  margin-top: 16px;
}

/* ===== INTEGRATIONS ===== */
.integrations__subsection {
  margin-bottom: 48px;
}

.integrations__subtitle {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 20px;
  text-align: center;
}

.integrations__logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 20px;
}

.integrations__logo {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  background: var(--color-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.integrations__logo:hover {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-light);
}

.integrations__desc {
  text-align: center;
  color: var(--color-text-secondary);
  max-width: 700px;
  margin: 0 auto;
  font-size: 15px;
  line-height: 1.6;
}

.integrations__dashboard {
  margin-top: 40px;
}

.integrations__dashboard-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 240px;
  background: var(--color-light);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-text-secondary);
  font-size: 18px;
  font-weight: 500;
}

.integrations__dashboard-icon {
  font-size: 48px;
}

/* ===== PAYMENTS ===== */
.payments__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.payments__item {
  text-align: center;
  padding: 24px 16px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: box-shadow var(--transition-fast);
}

.payments__item:hover {
  box-shadow: var(--shadow-sm);
}

.payments__icon {
  font-size: 32px;
  margin-bottom: 12px;
}

.payments__item h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.payments__item p {
  font-size: 13px;
  color: var(--color-text-secondary);
}

.payments__security {
  text-align: center;
  padding: 24px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 24px;
}

.payments__security p {
  font-size: 15px;
  color: var(--color-text-secondary);
}

.payments__extra {
  margin-top: 8px;
  font-size: 14px !important;
}

.payments__action {
  text-align: center;
}

/* ===== HOW IT WORKS ===== */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
  margin-bottom: 32px;
}

.step {
  text-align: center;
  padding: 24px;
}

.step__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 16px;
}

.step__title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.step__desc {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.how-it-works__note {
  text-align: center;
  font-size: 16px;
  color: var(--color-text-secondary);
  padding: 16px;
  background: var(--color-light);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

/* ===== PRICING ===== */
.pricing__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  align-items: start;
}

.pricing__card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: box-shadow var(--transition-normal), transform var(--transition-normal);
  position: relative;
}

.pricing__card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.pricing__card--featured {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-light);
  transform: scale(1.03);
}

.pricing__card--featured:hover {
  box-shadow: var(--shadow-lg);
  transform: scale(1.03) translateY(-4px);
}

.pricing__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 16px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pricing__card-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
}

.pricing__price {
  margin-bottom: 24px;
}

.pricing__amount {
  font-size: 36px;
  font-weight: 700;
  color: var(--color-text);
}

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

.pricing__features {
  text-align: left;
  margin-bottom: 24px;
}

.pricing__features li {
  padding: 8px 0 8px 24px;
  position: relative;
  font-size: 14px;
  border-bottom: 1px solid var(--color-light);
}

.pricing__features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: 700;
}

.pricing__feature--no {
  color: var(--color-text-secondary) !important;
}
.pricing__feature--no::before {
  content: '—' !important;
  color: var(--color-text-secondary) !important;
}

.pricing__trial {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
}

.pricing__note {
  text-align: center;
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: 24px;
}

/* ===== DEMO FORM ===== */
.demo-form {
  background: var(--color-dark);
}

.demo-form .section__title { color: var(--color-white); }
.demo-form .section__subtitle { color: var(--color-text-light); }

.form {
  max-width: 640px;
  margin: 0 auto;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  box-shadow: var(--shadow-lg);
}

/* Honeypot */
.form__honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form__group {
  margin-bottom: 16px;
}

.form__label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--color-text);
}

.form__input {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-main);
  font-size: 15px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form__input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form__input.error {
  border-color: var(--color-error);
}

.form__input::placeholder {
  color: #aaa;
}

.form__select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23666' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.form__textarea {
  resize: vertical;
  min-height: 80px;
}

.form__error {
  display: block;
  font-size: 12px;
  color: var(--color-error);
  margin-top: 4px;
  min-height: 16px;
}

.form__group--checkbox {
  margin-bottom: 20px;
}

.form__checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: 14px;
  line-height: 1.4;
}

.form__checkbox-label input[type="checkbox"] {
  display: none;
}

.form__checkbox-custom {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-radius: 4px;
  position: relative;
  margin-top: 1px;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.form__checkbox-label input:checked + .form__checkbox-custom {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.form__checkbox-label input:checked + .form__checkbox-custom::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--color-white);
  font-size: 13px;
  font-weight: 700;
}

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

.form__checkbox-text a {
  color: var(--color-primary);
  text-decoration: underline;
}

.form__submit {
  margin-top: 8px;
}

/* Success state */
.form__success {
  display: none;
  text-align: center;
  padding: 40px 20px;
}

.form__success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-success);
  color: var(--color-white);
  font-size: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.form__success h3 {
  font-size: 22px;
  margin-bottom: 8px;
}

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

.form--submitted .form__fields {
  display: none;
}

.form--submitted .form__success {
  display: block;
}

/* ===== FAQ ===== */
.faq__list {
  max-width: 720px;
  margin: 0 auto;
}

.faq__item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq__question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 20px 24px;
  background: var(--color-light);
  border: none;
  font-family: var(--font-main);
  font-size: 16px;
  font-weight: 500;
  text-align: left;
  color: var(--color-text);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.faq__question:hover {
  background: var(--color-border);
}

.faq__icon {
  font-size: 20px;
  font-weight: 300;
  transition: transform var(--transition-normal);
  flex-shrink: 0;
  margin-left: 16px;
}

.faq__item.active .faq__icon {
  transform: rotate(45deg);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal), padding var(--transition-normal);
}

.faq__item.active .faq__answer {
  max-height: 500px;
  padding: 0 24px 20px;
}

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

/* ===== FOOTER ===== */
.footer {
  background: var(--color-dark);
  color: var(--color-white);
  padding: 48px 0 24px;
}

.footer__trust {
  text-align: center;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 32px;
}

.footer__trust-text {
  font-size: 18px;
  margin-bottom: 12px;
}

.footer__trust-badges {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.footer__badge {
  padding: 6px 16px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 100px;
  font-size: 13px;
  color: var(--color-text-light);
}

.footer__main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}

.footer__desc {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.5;
}

.footer__col-title {
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
  color: var(--color-text-light);
}

.footer__link {
  display: block;
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 8px;
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-white);
}

.footer__bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 13px;
  color: var(--color-text-light);
}

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  font-size: 20px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal), transform var(--transition-fast);
  box-shadow: var(--shadow-md);
  z-index: 50;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--color-primary-hover);
  transform: translateY(-2px);
}

/* ===== MOBILE STYLES ===== */

/* Tablet */
@media (max-width: 768px) {
  .header__nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(22, 22, 20, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 20px;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-normal), opacity var(--transition-normal), visibility var(--transition-normal);
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }

  .header__nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .header__nav-list {
    flex-direction: column;
    gap: 4px;
  }

  .header__nav-link {
    display: block;
    width: 100%;
    text-align: center;
    padding: 12px 16px;
    font-size: 16px;
  }

  .header__burger {
    display: flex;
  }

  .section {
    padding: 56px 0;
  }

  .section__header {
    margin-bottom: 32px;
  }

  .growth__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .growth__visual {
    order: -1;
  }

  .form {
    padding: 24px 20px;
  }

  .form__row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .footer__main {
    grid-template-columns: 1fr;
    gap: 24px;
    text-align: center;
  }

  .footer__logo {
    justify-content: center;
  }

  .pricing__card--featured {
    transform: none;
  }
  .pricing__card--featured:hover {
    transform: translateY(-4px);
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .back-to-top {
    bottom: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    font-size: 16px;
  }
}

/* Mobile small */
@media (max-width: 480px) {
  :root {
    --container-padding: 16px;
  }

  .section {
    padding: 40px 0;
  }

  .feature-card {
    padding: 24px 16px;
  }

  .integrations__logo {
    font-size: 13px;
    padding: 8px 14px;
  }

  .payments__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .pricing__grid {
    grid-template-columns: 1fr;
  }

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

/* Desktop large */
@media (min-width: 1024px) {
  .hero__title {
    font-size: 66px;
  }

  .hero__title-accent,
  .hero__title-line--alt {
    font-size: 54px;
  }
}

/* ----- Animations ----- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero__content {
  animation: fadeIn 0.8s ease forwards;
}

/* Accessibility: reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}