/* ============================================
   EUResponsible.eu — Main Stylesheet
   ============================================ */

/* --- Variables --- */
:root {
  --navy: #0B1F4A;
  --navy-mid: #1A3A6B;
  --navy-light: #2E5299;
  --green: #00A86B;
  --green-dark: #007A4D;
  --white: #FFFFFF;
  --off-white: #F5F7FA;
  --gray-light: #E8ECF2;
  --gray-mid: #9AA5B4;
  --gray-dark: #4A5568;
  --text: #1A202C;
  --text-muted: #4A5568;

  --font: 'Inter', sans-serif;
  --radius: 8px;
  --radius-lg: 16px;
  --shadow: 0 2px 12px rgba(11, 31, 74, 0.10);
  --shadow-lg: 0 8px 32px rgba(11, 31, 74, 0.14);
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

#how-it-works-section,
#pricing-section,
#faq-section {
  scroll-margin-top: 100px;
}

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* --- Typography --- */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--navy);
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.25rem); }
h3 { font-size: clamp(1.15rem, 2.5vw, 1.4rem); }
h4 { font-size: 1.1rem; }

p { color: var(--text-muted); line-height: 1.75; }

/* --- Utilities --- */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

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

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

.section__label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 12px;
}

.section__title {
  margin-bottom: 16px;
}

.section__sub {
  font-size: 1.1rem;
  max-width: 580px;
  margin-bottom: 48px;
}

.text-center { text-align: center; }
.text-center .section__sub { margin-left: auto; margin-right: auto; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.btn--primary {
  background: var(--green);
  color: var(--white);
}
.btn--primary:hover {
  background: var(--green-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0, 168, 107, 0.35);
}

.btn--outline {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--navy);
}
.btn--outline:hover {
  background: var(--navy);
  color: var(--white);
}

.btn--outline-white {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.5);
}
.btn--outline-white:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--white);
}

.btn--lg {
  padding: 16px 36px;
  font-size: 1.1rem;
}

/* --- Header / Nav --- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--gray-light);
  box-shadow: var(--shadow);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--navy);
  text-decoration: none;
}

.logo__icon {
  width: 36px;
  height: 36px;
  background: var(--navy);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.1rem;
}

.logo__eu {
  color: var(--green);
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--gray-dark);
  transition: color var(--transition);
}
.nav__link:hover { color: var(--navy); }

.nav__cta { margin-left: 8px; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  transition: var(--transition);
}

/* --- Hero --- */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 60%, #1e4080 100%);
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 70% 50%, rgba(0,168,107,0.12) 0%, transparent 60%),
                    radial-gradient(circle at 20% 80%, rgba(255,255,255,0.04) 0%, transparent 40%);
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,168,107,0.18);
  border: 1px solid rgba(0,168,107,0.4);
  color: #4DFFB4;
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero__title {
  color: var(--white);
  margin-bottom: 20px;
}

.hero__title span {
  color: #4DFFB4;
}

.hero__sub {
  color: rgba(255,255,255,0.75);
  font-size: 1.125rem;
  margin-bottom: 36px;
  max-width: 480px;
}

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

.hero__trust {
  margin-top: 40px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.hero__trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.65);
  font-size: 0.875rem;
}

.hero__trust-item svg {
  color: var(--green);
  flex-shrink: 0;
}

/* Hero visual */
.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero__card {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  padding: 32px;
  width: 100%;
  max-width: 380px;
  backdrop-filter: blur(12px);
}

.hero__card-title {
  color: rgba(255,255,255,0.55);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.cert-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.cert-item:last-child { border-bottom: none; }

.cert-icon {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}
.cert-icon--green { background: rgba(0,168,107,0.2); }
.cert-icon--blue  { background: rgba(46,82,153,0.4); }
.cert-icon--gold  { background: rgba(212,175,55,0.2); }

.cert-text strong {
  display: block;
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 2px;
}
.cert-text span {
  color: rgba(255,255,255,0.5);
  font-size: 0.8rem;
}

/* --- Problem Section --- */
.problem__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.problem__card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius-lg);
  padding: 28px;
  border-top: 4px solid #E53E3E;
  transition: box-shadow var(--transition);
}
.problem__card:hover { box-shadow: var(--shadow-lg); }

.problem__icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.problem__card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: #C53030;
}

/* --- How It Works --- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(12.5% + 20px);
  right: calc(12.5% + 20px);
  height: 2px;
  background: linear-gradient(to right, var(--green), var(--navy-light));
  z-index: 0;
}

.step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.step__num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  font-size: 1.25rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  border: 3px solid var(--white);
  box-shadow: 0 0 0 3px var(--navy);
}

.step__num--active {
  background: var(--green);
  box-shadow: 0 0 0 3px var(--green);
}

.step h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.step p {
  font-size: 0.875rem;
}

/* --- Pricing Preview --- */
.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.pricing__grid--single {
  grid-template-columns: 1fr;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.pricing__grid--single .pricing__card {
  padding: 48px 44px;
}

.pricing__grid--single .pricing__price {
  justify-content: center;
  margin-bottom: 12px;
}

.pricing__grid--single .pricing__price .amount {
  font-size: 4rem;
}

.pricing__grid--single .pricing__price .currency {
  font-size: 2rem;
}

.pricing__grid--single .pricing__tagline {
  text-align: center;
  margin-bottom: 28px;
}

.pricing__card {
  background: var(--white);
  border: 2px solid var(--gray-light);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: box-shadow var(--transition), border-color var(--transition);
  position: relative;
}
.pricing__card:hover {
  box-shadow: var(--shadow-lg);
}

.pricing__card--featured {
  border-color: var(--green);
  box-shadow: var(--shadow-lg);
}

.pricing__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--green);
  color: var(--white);
  padding: 4px 16px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
  white-space: nowrap;
}

.pricing__plan {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy-light);
  margin-bottom: 8px;
}

.pricing__price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 6px;
}

.pricing__price .amount {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--navy);
}
.pricing__price .currency {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy);
}
.pricing__price .period {
  color: var(--gray-mid);
  font-size: 0.9rem;
}

.pricing__desc {
  font-size: 0.875rem;
  margin-bottom: 24px;
}

.pricing__features {
  list-style: none;
  margin-bottom: 28px;
}

.pricing__features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-muted);
  padding: 7px 0;
  border-bottom: 1px solid var(--gray-light);
}
.pricing__features li:last-child { border-bottom: none; }

.pricing__features li::before {
  content: '✓';
  color: var(--green);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.pricing__card .btn { width: 100%; justify-content: center; }

.pricing__tagline {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}

.pricing__custom {
  text-align: center;
  font-size: 0.875rem;
  color: var(--gray-mid);
  margin-top: 16px;
}

.pricing__custom a {
  color: var(--navy-light);
  font-weight: 600;
}

/* --- Trust Section --- */
.trust__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.trust__item {
  text-align: center;
  padding: 32px 20px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
}

.trust__icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.trust__item h3 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 8px;
}

.trust__item p {
  color: rgba(255,255,255,0.55);
  font-size: 0.875rem;
}

/* --- FAQ --- */
.faq__list {
  max-width: 760px;
  margin: 48px auto 0;
}

.faq__item {
  border-bottom: 1px solid var(--gray-light);
}

.faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 0;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  color: var(--navy);
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-family: var(--font);
  transition: color var(--transition);
}
.faq__question:hover { color: var(--navy-light); }

.faq__icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--gray-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
  color: var(--navy);
  transition: var(--transition);
}

.faq__item.open .faq__icon {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
  transform: rotate(45deg);
}

.faq__answer {
  display: none;
  padding-bottom: 20px;
}
.faq__answer p { font-size: 0.9375rem; }
.faq__item.open .faq__answer { display: block; }

/* --- Final CTA --- */
.cta-banner {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  padding: 80px 0;
  text-align: center;
}

.cta-banner h2 {
  color: var(--white);
  margin-bottom: 16px;
}

.cta-banner p {
  color: rgba(255,255,255,0.65);
  font-size: 1.1rem;
  margin-bottom: 36px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* --- Footer --- */
.footer {
  background: #060F25;
  padding: 60px 0 32px;
  color: rgba(255,255,255,0.6);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer__brand p {
  font-size: 0.875rem;
  margin-top: 16px;
  max-width: 280px;
  line-height: 1.7;
}

.footer__address {
  font-size: 0.8rem;
  margin-top: 16px;
  line-height: 1.8;
  color: rgba(255,255,255,0.4);
}

.footer__col h4 {
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__links a {
  color: rgba(255,255,255,0.55);
  font-size: 0.875rem;
  transition: color var(--transition);
}
.footer__links a:hover { color: var(--white); }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8125rem;
}

.footer__bottom a {
  color: rgba(255,255,255,0.45);
  transition: color var(--transition);
}
.footer__bottom a:hover { color: var(--white); }

/* --- Cookie Banner --- */
.cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 999;
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 20px 28px;
  display: flex;
  align-items: center;
  gap: 20px;
  box-shadow: var(--shadow-lg);
  max-width: 680px;
  width: calc(100% - 48px);
  border: 1px solid rgba(255,255,255,0.12);
}

.cookie-banner p {
  color: rgba(255,255,255,0.75);
  font-size: 0.875rem;
  flex: 1;
}

.cookie-banner a {
  color: #4DFFB4;
  text-decoration: underline;
}

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

.btn--cookie-accept {
  background: var(--green);
  color: var(--white);
  padding: 9px 20px;
  font-size: 0.875rem;
}

.btn--cookie-decline {
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.7);
  padding: 9px 20px;
  font-size: 0.875rem;
}

.cookie-banner.hidden { display: none; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .trust__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { display: none; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .steps::before { display: none; }
  .pricing__grid { grid-template-columns: 1fr; max-width: 480px; margin-left: auto; margin-right: auto; }
  .problem__grid { grid-template-columns: 1fr; max-width: 480px; margin-left: auto; margin-right: auto; }
}

@media (max-width: 768px) {
  .nav__link, .nav__cta { display: none; }
  .hamburger { display: flex; }
  .section { padding: 56px 0; }
  .footer__grid { grid-template-columns: 1fr; gap: 28px; }
  .footer__bottom { flex-direction: column; text-align: center; }
  .steps { grid-template-columns: 1fr; max-width: 360px; margin-left: auto; margin-right: auto; }
  .trust__grid { grid-template-columns: 1fr 1fr; }
  .cookie-banner { flex-direction: column; align-items: flex-start; bottom: 0; left: 0; right: 0; transform: none; width: 100%; border-radius: var(--radius-lg) var(--radius-lg) 0 0; }
}

@media (max-width: 480px) {
  .trust__grid { grid-template-columns: 1fr; }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .btn { justify-content: center; }
  .cta-banner__actions { flex-direction: column; align-items: stretch; max-width: 300px; margin: 0 auto; }
  h1 { font-size: 1.85rem; }
}

/* Mobile nav open state */
.nav--mobile-open {
  display: flex !important;
  flex-direction: column;
  position: absolute;
  top: 68px;
  left: 0; right: 0;
  background: var(--white);
  padding: 20px 24px 28px;
  border-bottom: 1px solid var(--gray-light);
  box-shadow: var(--shadow-lg);
  gap: 4px;
}

.nav--mobile-open .nav__link {
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid var(--gray-light);
  font-size: 1rem;
}

.nav--mobile-open .nav__cta {
  display: block;
  margin-top: 16px;
}

.nav--mobile-open .nav__cta .btn {
  width: 100%;
  justify-content: center;
}