:root {
  --color-primary: #d52b1e;
  --color-primary-dark: #b02318;
  --color-accent: #006633;
  --color-accent-light: #e8f5ee;
  --color-bg: #fafafa;
  --color-surface: #ffffff;
  --color-text: #1a1a2e;
  --color-text-muted: #5c5c6d;
  --color-border: #e2e2ea;
  --color-success: #006633;
  --font-sans: "Inter", system-ui, -apple-system, sans-serif;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
  --radius: 12px;
  --radius-lg: 20px;
  --max-width: 720px;
  --max-width-wide: 960px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  text-decoration: underline;
}

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

.container--narrow {
  max-width: var(--max-width);
}

/* Header */
.header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.92);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: var(--max-width-wide);
  margin: 0 auto;
}

.header__logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.header__logo-flag {
  font-size: 1.4rem;
}

.lang-switch {
  display: flex;
  gap: 4px;
  background: var(--color-bg);
  border-radius: 8px;
  padding: 3px;
}

.lang-switch__btn {
  border: none;
  background: transparent;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--color-text-muted);
  transition: all 0.2s;
}

.lang-switch__btn:hover {
  color: var(--color-text);
}

.lang-switch__btn--active {
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}

/* Hero */
.hero {
  padding: 64px 0 48px;
  background: linear-gradient(160deg, #fff 0%, #f0f4f8 50%, #e8f0fe 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(213, 43, 30, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero__badge {
  display: inline-block;
  background: var(--color-accent-light);
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.hero__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.hero__subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin-bottom: 32px;
  max-width: 560px;
}

/* Download Card */
.download-card,
.form-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  max-width: 480px;
}

.download-card__title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.download-card__text {
  color: var(--color-text-muted);
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.download-card__note {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 14px;
  text-align: center;
  line-height: 1.5;
}

.btn--download {
  text-decoration: none;
}

.form-card__title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text);
}

.form-group input[type="email"],
.form-group select {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s;
  background: var(--color-surface);
}

.form-group input[type="email"]:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(213, 43, 30, 0.1);
}

.form-group--checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.form-group--checkbox input {
  margin-top: 4px;
  width: 18px;
  height: 18px;
  accent-color: var(--color-accent);
  flex-shrink: 0;
}

.form-group--checkbox label {
  font-weight: 400;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px 24px;
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

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

.btn--primary:hover {
  background: #005528;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.form-card__note {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 14px;
  text-align: center;
  line-height: 1.5;
}

/* Sections */
.section {
  padding: 64px 0;
}

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

.section__title {
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.section__subtitle {
  color: var(--color-text-muted);
  margin-bottom: 36px;
  font-size: 1.05rem;
}

/* Pain points */
.pain-points {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.pain-point {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 24px 28px;
  border-left: 4px solid var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.section--alt .pain-point {
  background: var(--color-bg);
}

.pain-point__question {
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 10px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.pain-point__icon {
  color: var(--color-primary);
  flex-shrink: 0;
  font-size: 1.1rem;
}

.pain-point__answer {
  color: var(--color-text-muted);
  padding-left: 28px;
}

.pain-point__answer strong {
  color: var(--color-text);
}

/* Guide features */
.features {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.feature {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 20px;
  background: var(--color-bg);
  border-radius: var(--radius);
}

.section--alt .feature {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.feature__icon {
  color: var(--color-success);
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.feature__text {
  font-size: 0.95rem;
}

.feature__text strong {
  display: block;
  margin-bottom: 2px;
}

/* CTA section */
.cta-section {
  background: linear-gradient(135deg, #1a1a2e 0%, #2d2d44 100%);
  color: #fff;
  padding: 64px 0;
  text-align: center;
}

.cta-section .section__title {
  color: #fff;
}

.cta-section .section__subtitle {
  color: rgba(255, 255, 255, 0.7);
}

.cta-section .form-card {
  margin: 0 auto;
  text-align: left;
}

/* Sources */
.sources {
  padding: 48px 0;
  background: var(--color-bg);
}

.sources__text {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.sources__links {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.sources__links a {
  font-size: 0.85rem;
  font-weight: 600;
}

/* FAQ */
.faq {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.faq__item {
  background: var(--color-surface);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.section--alt .faq__item {
  background: var(--color-bg);
}

.faq__question {
  width: 100%;
  padding: 18px 24px;
  background: none;
  border: none;
  text-align: left;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-family: inherit;
  color: var(--color-text);
  transition: background 0.2s;
}

.faq__question:hover {
  background: rgba(0, 0, 0, 0.02);
}

.faq__icon {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  transition: transform 0.3s;
  flex-shrink: 0;
}

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

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 24px;
}

.faq__item--open .faq__answer {
  max-height: 300px;
  padding: 0 24px 18px;
}

.faq__answer p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* Urgency */
.urgency {
  text-align: center;
  padding: 48px 0;
}

.urgency__text {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 0 auto 28px;
}

.urgency .btn {
  max-width: 320px;
}

/* Footer */
.footer {
  background: #111118;
  color: rgba(255, 255, 255, 0.7);
  padding: 48px 0 32px;
  font-size: 0.85rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
  margin-bottom: 32px;
}

.footer__heading {
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer__links a {
  color: rgba(255, 255, 255, 0.6);
}

.footer__links a:hover {
  color: #fff;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  text-align: center;
  font-size: 0.8rem;
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 20px 24px;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  transform: translateY(100%);
  transition: transform 0.4s ease;
}

.cookie-banner--visible {
  transform: translateY(0);
}

.cookie-banner__inner {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.cookie-banner__text {
  flex: 1;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  min-width: 280px;
}

.cookie-banner__actions {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

.cookie-banner__actions .btn {
  width: auto;
  padding: 10px 20px;
  font-size: 0.875rem;
}

.btn--outline {
  background: transparent;
  border: 1.5px solid var(--color-border);
  color: var(--color-text);
}

.btn--outline:hover {
  background: var(--color-bg);
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-overlay--visible {
  display: flex;
}

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 600px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
}

.modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text-muted);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
}

.modal__close:hover {
  background: var(--color-bg);
}

.modal__title {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.modal__content {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.modal__content h3 {
  color: var(--color-text);
  font-size: 1rem;
  margin: 20px 0 8px;
}

.modal__content p {
  margin-bottom: 12px;
}

/* Success message */
.form-success {
  display: none;
  text-align: center;
  padding: 24px;
}

.form-success--visible {
  display: block;
}

.form-success__icon {
  font-size: 3rem;
  margin-bottom: 12px;
}

.form-success__title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.form-success__text {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 640px) {
  .hero {
    padding: 40px 0 32px;
  }

  .form-card {
    padding: 24px 20px;
  }

  .section {
    padding: 48px 0;
  }

  .cookie-banner__inner {
    flex-direction: column;
    align-items: stretch;
  }

  .cookie-banner__actions {
    justify-content: stretch;
  }

  .cookie-banner__actions .btn {
    flex: 1;
  }
}