/* ===== Variables ===== */
:root {
  --navy: #1B3A4B;
  --teal: #2B8C8C;
  --turquoise: #4ECDC4;
  --mint: #E0F7F4;
  --white: #FFFFFF;
  --gray: #6B7280;
  --gray-light: #F3F4F6;
  --radius: 12px;
  --shadow: 0 2px 16px rgba(27, 58, 75, 0.08);
  --transition: 0.25s ease;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--navy);
  line-height: 1.7;
  background: var(--white);
}
a { color: var(--teal); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--turquoise); }
img { max-width: 100%; height: auto; display: block; }

/* ===== Container ===== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Nav ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  transition: box-shadow var(--transition);
}
.nav--scrolled { box-shadow: var(--shadow); }
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--navy);
  font-weight: 700;
  font-size: 1.2rem;
}
.nav__logo { border-radius: 50%; }
.nav__links {
  display: flex;
  list-style: none;
  gap: 28px;
  align-items: center;
}
.nav__links a {
  color: var(--navy);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition);
}
.nav__links a:hover { color: var(--teal); }
.nav__dashboard {
  padding: 4px 14px;
  border: 1.5px solid var(--teal);
  border-radius: 20px;
  font-size: 0.82rem !important;
  font-weight: 500 !important;
  color: var(--teal) !important;
  transition: all var(--transition);
}
.nav__dashboard:hover {
  background: var(--teal);
  color: var(--white) !important;
}
.nav__lang {
  padding: 4px 14px;
  border: 2px solid var(--teal);
  border-radius: 20px;
  font-size: 0.85rem !important;
  font-weight: 600 !important;
  color: var(--teal) !important;
  transition: all var(--transition);
}
.nav__lang:hover {
  background: var(--teal);
  color: var(--white) !important;
}
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav__toggle span {
  width: 24px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== Hero ===== */
.hero {
  padding: 160px 0 100px;
  text-align: center;
  background: linear-gradient(160deg, var(--mint) 0%, var(--white) 60%);
}
.hero__inner { max-width: 720px; margin: 0 auto; }
.hero__logo {
  margin: 0 auto 20px;
  border-radius: 50%;
}
.hero__tagline {
  font-size: 0.8rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--teal);
  font-weight: 600;
  margin-bottom: 20px;
}
.hero__heading {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 20px;
  color: var(--navy);
}
.hero__sub {
  font-size: 1.15rem;
  color: var(--gray);
  margin-bottom: 36px;
  line-height: 1.7;
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
}
.btn--primary {
  background: var(--teal);
  color: var(--white);
  border-color: var(--teal);
}
.btn--primary:hover {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}
.btn--outline {
  background: transparent;
  color: var(--teal);
  border-color: var(--teal);
}
.btn--outline:hover {
  background: var(--teal);
  color: var(--white);
}

/* ===== Sections ===== */
.section {
  padding: 80px 0;
}
.section--alt {
  background: var(--mint);
}
.section__heading {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--navy);
  text-align: center;
}
.section__text {
  font-size: 1.05rem;
  color: var(--gray);
  max-width: 700px;
  margin: 0 auto 40px;
  text-align: center;
  line-height: 1.8;
}

/* ===== Highlights (About) ===== */
.highlights {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.highlight-card {
  background: var(--white);
  padding: 32px 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
  transition: transform var(--transition);
}
.highlight-card:hover { transform: translateY(-4px); }
.highlight-card__icon { width: 72px; height: 72px; display: block; margin: 0 auto 12px; object-fit: contain; border-radius: 8px; }
.highlight-card__title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 8px;
}
.highlight-card__desc {
  font-size: 0.95rem;
  color: var(--gray);
  line-height: 1.6;
}

/* ===== Product Card ===== */
.product-card {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  background: var(--gray-light);
  padding: 40px 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.product-card--with-image {
  max-width: 900px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  text-align: left;
  padding: 0;
  overflow: hidden;
}
.product-card__image {
  padding: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-card__image img {
  width: 100%;
  max-width: 360px;
  border-radius: var(--radius);
}
.product-card__content {
  padding: 40px 40px 40px 0;
}
.product-card__name {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
}
.product-card__desc {
  color: var(--gray);
  margin-bottom: 24px;
  line-height: 1.7;
}

@media (max-width: 768px) {
  .product-card--with-image {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .product-card__image { padding: 24px 24px 0; }
  .product-card__content { padding: 0 24px 32px; }
}

/* ===== Dealer / Where to Buy ===== */
.dealer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}
.dealer-card {
  background: var(--white);
  padding: 32px 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.dealer-card__badge {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--teal);
}
.dealer-card__name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--navy);
}
.dealer-card__desc {
  font-size: 0.95rem;
  color: var(--gray);
  line-height: 1.6;
}

/* ===== Proof / Real Results ===== */
.proof-figure {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}
.proof-figure__img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: 0 4px 24px rgba(27, 58, 75, 0.12);
}
.proof-figure__caption {
  margin-top: 16px;
  font-size: 0.95rem;
  color: var(--gray);
  line-height: 1.6;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 700px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid #E5E7EB;
  padding: 0;
}
.faq-item__q {
  padding: 20px 0;
  font-weight: 600;
  font-size: 1.05rem;
  cursor: pointer;
  color: var(--navy);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item__q::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--teal);
  transition: transform var(--transition);
}
.faq-item[open] .faq-item__q::after {
  content: '−';
}
.faq-item__a {
  padding: 0 0 20px;
  color: var(--gray);
  line-height: 1.7;
}

/* ===== Contact Form ===== */
.contact-container { max-width: 600px; margin: 0 auto; text-align: center; }
.contact-form { text-align: left; }
.form-group { margin-bottom: 16px; }
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid #E5E7EB;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
  color: var(--navy);
  transition: border-color var(--transition);
  background: var(--white);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--teal);
}
.form-group textarea { resize: vertical; }
.contact-form .btn { width: 100%; text-align: center; }
.form-status { display: none; margin-top: 16px; padding: 12px; border-radius: var(--radius); text-align: center; }
.form-status--success { background: var(--mint); color: var(--teal); }
.form-status--error { background: #FEE2E2; color: #DC2626; }

/* ===== System diagram (How it works) ===== */
.system-diagram {
  margin-top: 32px;
  overflow: hidden;
  border-radius: var(--radius);
  background: linear-gradient(135deg, #F5F7FA 0%, #E8EDF2 100%);
  padding: 28px 20px;
  border: 1px solid rgba(43, 140, 140, 0.1);
}

/* ===== Fleet features list ===== */
.fleet-features {
  list-style: none;
  padding: 0;
  margin: 0 0 20px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}
.fleet-features__item {
  background: #E8F5E9;
  border: 1px solid #A5D6A7;
  border-radius: 20px;
  padding: 6px 16px;
  font-size: 0.85rem;
  color: #2E7D32;
  font-weight: 500;
}
@media (max-width: 600px) {
  .fleet-features { flex-direction: column; align-items: center; }
  .fleet-features__item { text-align: center; }
}


/* ===== Footer ===== */
.footer {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.7);
  padding: 40px 0;
  text-align: center;
  font-size: 0.9rem;
}
.footer__inner { display: flex; flex-direction: column; gap: 8px; align-items: center; }
.footer__company { font-size: 0.8rem; opacity: 0.7; }
.footer__company a { color: rgba(255, 255, 255, 0.85); text-decoration: underline; }
.footer__company a:hover { color: var(--turquoise); }
.footer__made { font-size: 0.85rem; }
.footer__lang a {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition);
}
.footer__lang a:hover { color: var(--turquoise); }

/* ===== Responsive ===== */
@media (min-width: 900px) {
  .highlights { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 768px) {
  .nav__toggle { display: flex; }
  .nav__links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 20px 24px;
    gap: 16px;
    box-shadow: var(--shadow);
  }
  .nav__links--open { display: flex; }
  .hero { padding: 130px 0 70px; }
  .hero__heading { font-size: 1.6rem; }
}