:root {
  --worg-blue: #0072ce;
  --worg-dark-blue: #000485;
  --worg-green: #00a859;
  --worg-orange: #f47c20;
  --worg-navy: #0b1220;

  --bg-light: #f7f9fc;
  --text-main: #111827;

  --container-width: 1120px;
  --section-y: 3.5rem;
  --radius-card: 1rem;

  --shadow-soft: 0 10px 26px rgba(15, 23, 42, 0.08);
}

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

html, body {
  height: 100%;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Open Sans", sans-serif;
  color: var(--text-main);
  background-color: #ffffff;
  line-height: 1.6;
}

/* Utility */

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

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

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Top gradient bar */

.top-bar {
  height: 4px;
  background: linear-gradient(90deg, var(--worg-blue), var(--worg-green), var(--worg-orange));
}

/* Header / Nav */

header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #e5e7eb;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  gap: 1.5rem;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav__logo {
  width: 44px;
  height: auto;
}

.nav__title-main {
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--worg-navy);
}

.nav__title-sub {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  color: #6b7280;
}

.nav__links {
  display: flex;
  gap: 1.25rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 600;
}

.nav__link {
  padding-bottom: 0.35rem;
  border-bottom: 2px solid transparent;
  color: #4b5563;
}

.nav__link:hover {
  color: var(--worg-blue);
}

.nav__link--active {
  color: var(--worg-blue);
  border-bottom-color: var(--worg-blue);
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  border: none;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  cursor: pointer;
}

.btn--primary {
  background: linear-gradient(120deg, var(--worg-blue), var(--worg-green));
  color: #ffffff;
  box-shadow: 0 12px 25px rgba(0, 68, 155, 0.25);
}

.btn--primary:hover {
  filter: brightness(1.06);
}

.btn--secondary {
  background: #ffffff;
  color: var(--worg-navy);
  border: 1px solid #d1d5db;
}

.btn--secondary:hover {
  background: #f3f4f6;
}

/* Sections + typography */

.section {
  padding: var(--section-y) 0;
}

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

.section__header {
  margin-bottom: 2rem;
}

.section__kicker {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--worg-blue);
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.section__title {
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--worg-navy);
  margin-bottom: 0.5rem;
}

.section__subtitle {
  font-size: 0.96rem;
  color: #4b5563;
  max-width: 40rem;
}

/* Grids + cards */

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.6rem;
}

.card {
  background-color: #ffffff;
  border-radius: var(--radius-card);
  padding: 1.5rem 1.6rem;
  box-shadow: var(--shadow-soft);
}

.card--border {
  box-shadow: none;
  border: 1px solid #e5e7eb;
}

.card__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--worg-navy);
  margin-bottom: 0.4rem;
}

.card__text {
  font-size: 0.9rem;
  color: #4b5563;
  margin-bottom: 0.75rem;
}

.card ul {
  padding-left: 1.1rem;
  font-size: 0.88rem;
  color: #4b5563;
}

.card ul li + li {
  margin-top: 0.25rem;
}

/* Hero (home) */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.5fr);
  gap: 2.5rem;
  align-items: center;
  padding: 3.2rem 0 3rem;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  background-color: #eef5ff;
  color: var(--worg-blue);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 600;
  margin-bottom: 0.9rem;
}

.hero__title {
  font-size: 2.3rem;
  font-weight: 800;
  color: var(--worg-navy);
  line-height: 1.15;
  margin-bottom: 0.9rem;
}

.hero__text {
  font-size: 1rem;
  color: #4b5563;
  max-width: 32rem;
  margin-bottom: 1.5rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.hero__meta {
  font-size: 0.8rem;
  color: #6b7280;
}

.hero__side {
  border-radius: 1.1rem;
  padding: 1.7rem 1.6rem;
  background: radial-gradient(circle at top left, rgba(0,114,206,0.12), transparent 55%),
              radial-gradient(circle at bottom right, rgba(0,168,89,0.14), transparent 55%),
              #ffffff;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.16);
}

.hero__logo {
  width: 80px;
  margin-bottom: 0.8rem;
}

/* Page hero (inner pages) */

.page-hero {
  padding: 2.8rem 0 2.4rem;
}

.page-hero__kicker {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--worg-blue);
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.page-hero__title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--worg-navy);
  margin-bottom: 0.4rem;
}

.page-hero__text {
  font-size: 0.96rem;
  color: #4b5563;
  max-width: 40rem;
}

/* Tag / pill rows */

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag {
  font-size: 0.74rem;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  background-color: #e5e7eb;
  color: #111827;
}

.tag--energy {
  background-color: #e2f2ff;
  color: var(--worg-blue);
}

.tag--h2 {
  background-color: #e6f6f0;
  color: var(--worg-green);
}

/* Contact */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 2rem;
}

.form {
  border-radius: var(--radius-card);
  background-color: #ffffff;
  padding: 1.7rem 1.6rem;
  box-shadow: var(--shadow-soft);
}

.form__row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.form__field {
  margin-bottom: 1rem;
}

label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: #6b7280;
  margin-bottom: 0.25rem;
}

input,
textarea {
  width: 100%;
  padding: 0.55rem 0.7rem;
  border-radius: 0.6rem;
  border: 1px solid #d1d5db;
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
}

input:focus,
textarea:focus {
  border-color: var(--worg-blue);
  box-shadow: 0 0 0 1px rgba(0, 114, 206, 0.18);
}

textarea {
  min-height: 130px;
  resize: vertical;
}

.contact-panel {
  border-radius: var(--radius-card);
  padding: 1.5rem 1.4rem;
  background-color: #0b1220;
  color: #e5e7eb;
  font-size: 0.88rem;
}

.contact-panel h3 {
  font-size: 1rem;
  margin-bottom: 0.6rem;
}

.contact-panel p {
  margin-bottom: 0.4rem;
}

/* Footer */

footer {
  margin-top: 1.5rem;
  background-color: #050816;
  color: #9ca3af;
}

.footer__inner {
  padding: 1.5rem 1.25rem 1.6rem;
}

.footer__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.footer__brand img {
  width: 32px;
}

.footer__brand-name {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 600;
  color: #e5e7eb;
}

.footer__nav {
  display: flex;
  gap: 1rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.footer__bottom {
  border-top: 1px solid #1f2937;
  margin-top: 0.9rem;
  padding-top: 0.8rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.footer__tagline {
  text-transform: uppercase;
  letter-spacing: 0.24em;
  font-size: 0.78rem;
}

/* Responsive */

@media (max-width: 900px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
  }

  nav .nav__links {
    display: none; /* simple desktop-only menu for now */
  }

  .contact-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .grid-2 {
    grid-template-columns: minmax(0, 1fr);
  }

  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 640px) {
  .hero__title {
    font-size: 1.8rem;
  }

  .section {
    padding: 2.7rem 0;
  }

  .form__row {
    grid-template-columns: minmax(0, 1fr);
  }
}