:root {
  --color-bg: #0f1115;
  --color-surface: #151a22;
  --color-surface-alt: #1c2431;
  --color-border: #2b3442;
  --color-text: #e2e7ef;
  --color-muted: #b4bfcc;
  --color-accent: #c7a36b;
  --color-accent-dark: #a5834f;
  --color-danger: #d68879;
  --shadow-md: 0 14px 30px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.4);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-pill: 999px;
  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4rem;
  --space-8: 6rem;
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
}

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

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

a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

.no-js .nav__toggle,
.no-js .nav__backdrop,
.no-js .nav__close {
  display: none;
}

.no-js .nav__panel {
  position: static;
  transform: none;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.no-js .reveal {
  opacity: 1;
  transform: none;
}

.container {
  width: min(100% - 2rem, var(--max-width));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  padding: var(--space-2) var(--space-3);
  background: var(--color-accent);
  color: #111;
  border-radius: 0 0 var(--radius-sm) 0;
  z-index: 2000;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 0;
}

.section {
  padding: var(--space-7) 0;
}

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

.section--contact {
  background: linear-gradient(135deg, rgba(21, 26, 34, 0.9), rgba(15, 17, 21, 0.95));
}

.section__header {
  max-width: 640px;
  margin-bottom: var(--space-5);
}

.section__header h2 {
  font-size: clamp(1.6rem, 2.4vw, 2.2rem);
  margin-bottom: var(--space-2);
}

.section__header p {
  color: var(--color-muted);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: transparent;
  border-bottom: 1px solid rgba(43, 52, 66, 0.6);
  transition: box-shadow 0.2s ease;
  isolation: isolate;
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background-color: rgba(15, 17, 21, 0.92);
  backdrop-filter: blur(10px);
  z-index: -1;
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-md);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) 0;
  gap: var(--space-4);
}

.logo {
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 600;
}

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

.nav__toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 0.4rem 0.9rem;
  cursor: pointer;
}

.nav__toggle-text {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.nav__toggle-icon {
  position: relative;
  width: 20px;
  height: 2px;
  background: var(--color-text);
}

.nav__toggle-icon::before,
.nav__toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background: var(--color-text);
}

.nav__toggle-icon::before {
  top: -6px;
}

.nav__toggle-icon::after {
  top: 6px;
}

.nav__backdrop {
  display: block;
  position: fixed;
  inset: 0;
  background: rgba(5, 7, 10, 0.94);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 1100;
}

.nav__panel {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 100%;
  background: #0b1016;
  background-image: linear-gradient(180deg, #101723 0%, #0b1016 100%);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: var(--space-6) var(--space-5);
  gap: var(--space-4);
  transform: translateX(100%);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  z-index: 1200;
}

.nav__panel-header,
.nav__panel-title,
.nav__close {
  flex-shrink: 0;
}

.nav__panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.nav__panel-title {
  font-size: 0.7rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.nav__close {
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 0.3rem 0.8rem;
  cursor: pointer;
}

.nav__list {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
  list-style: none;
  width: 100%;
  margin-top: var(--space-2);
}

.nav__link {
  color: var(--color-text);
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  display: block;
  width: 100%;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(43, 52, 66, 0.8);
  background: rgba(21, 26, 34, 0.95);
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.nav__link:hover,
.nav__link:focus {
  color: var(--color-accent);
  border-color: rgba(199, 163, 107, 0.5);
  background: rgba(28, 36, 49, 0.98);
}

.nav__cta {
  margin-left: 0;
  width: 100%;
  justify-content: center;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-weight: 600;
  gap: var(--space-2);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.button--primary {
  background: var(--color-accent);
  color: #111;
  box-shadow: 0 10px 25px rgba(199, 163, 107, 0.25);
}

.button--primary:hover {
  background: var(--color-accent-dark);
}

.button--ghost {
  border-color: var(--color-border);
  color: var(--color-text);
  background: transparent;
}

body.nav-open {
  overflow: hidden;
}

body.nav-open .nav__panel {
  transform: translateX(0);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

body.nav-open .nav__backdrop {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.hero {
  position: relative;
  min-height: 78vh;
  padding: var(--space-8) 0 var(--space-7);
  background-image: url("../assets/img/landing.png");
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(12, 14, 19, 0.93), rgba(12, 14, 19, 0.75) 55%, rgba(20, 24, 32, 0.88) 100%);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(140deg, rgba(199, 163, 107, 0.1), transparent 60%);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 620px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.35em;
  font-size: 0.7rem;
  color: var(--color-muted);
  margin-bottom: var(--space-3);
}

.hero h1 {
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  line-height: 1.1;
  margin-bottom: var(--space-3);
}

.lead {
  font-size: 1.1rem;
  color: var(--color-muted);
  margin-bottom: var(--space-4);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.chip {
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(199, 163, 107, 0.5);
  color: var(--color-text);
  font-size: 0.8rem;
  background: rgba(15, 17, 21, 0.6);
}

.card-grid {
  display: grid;
  gap: var(--space-4);
}

.card,
.list-card,
.column-card {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  box-shadow: var(--shadow-md);
}

.card h3,
.list-card h3,
.column-card h3 {
  margin-bottom: var(--space-2);
  font-size: 1.1rem;
}

.card p,
.column-card p {
  color: var(--color-muted);
}

.list {
  list-style: none;
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.list li::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  margin-right: var(--space-2);
  flex-shrink: 0;
}

.list li {
  display: flex;
  align-items: baseline;
  color: var(--color-muted);
}

.list--spaced {
  gap: var(--space-3);
}

.split {
  display: grid;
  gap: var(--space-5);
}

.split__content .note {
  margin-top: var(--space-3);
  padding: var(--space-3);
  border-left: 2px solid var(--color-accent);
  background: rgba(15, 17, 21, 0.6);
  color: var(--color-text);
}

.list-card--muted {
  background: rgba(15, 17, 21, 0.6);
}

.columns {
  display: grid;
  gap: var(--space-4);
}

.muted {
  color: var(--color-muted);
  margin-top: var(--space-3);
}

.accordion {
  display: grid;
  gap: var(--space-3);
}

.accordion__item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: rgba(21, 26, 34, 0.9);
}

.accordion__button {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  padding: var(--space-4);
  font-weight: 600;
  cursor: pointer;
  position: relative;
}

.accordion__button::after {
  content: "+";
  position: absolute;
  right: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-accent);
}

.accordion__button[aria-expanded="true"]::after {
  content: "-";
}

.accordion__panel {
  padding: 0 var(--space-4) var(--space-4);
  color: var(--color-muted);
}

.contact {
  display: grid;
  gap: var(--space-5);
}

.form {
  display: grid;
  gap: var(--space-4);
}

.form__field {
  display: grid;
  gap: var(--space-2);
}

.form__field--full {
  grid-column: 1 / -1;
}

.form__field--checkbox {
  grid-column: 1 / -1;
  grid-template-columns: auto 1fr;
  align-items: start;
}

.form__field--checkbox input {
  margin-top: 0.2rem;
}

input,
select,
textarea {
  background: rgba(15, 17, 21, 0.7);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 0.9rem;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(199, 163, 107, 0.6);
  border-color: var(--color-accent);
}

input[aria-invalid="true"],
select[aria-invalid="true"],
textarea[aria-invalid="true"] {
  border-color: var(--color-danger);
}

.form__error {
  color: var(--color-danger);
  font-size: 0.85rem;
  min-height: 1.2rem;
}

.toast {
  position: fixed;
  right: var(--space-4);
  bottom: var(--space-4);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 1500;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.toast.toast--visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.footer {
  padding: var(--space-6) 0;
  background: #0c0f14;
  border-top: 1px solid var(--color-border);
}

.footer__inner {
  display: grid;
  gap: var(--space-4);
}

.footer__logo {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.85rem;
  color: var(--color-muted);
}

.footer__note {
  margin-top: var(--space-2);
  color: var(--color-muted);
  font-size: 0.9rem;
}

.footer__copy {
  margin-top: var(--space-3);
  font-size: 0.85rem;
  color: var(--color-muted);
}

.footer__links {
  display: grid;
  gap: var(--space-2);
}

.footer__links a {
  color: var(--color-muted);
}

.footer__social {
  display: flex;
  gap: var(--space-3);
  align-items: center;
}

.footer__social a {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.footer__social a:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.footer__social svg {
  width: 18px;
  height: 18px;
  fill: var(--color-muted);
}

.back-to-top {
  position: fixed;
  left: var(--space-4);
  bottom: var(--space-4);
  border: 1px solid var(--color-border);
  background: rgba(15, 17, 21, 0.9);
  color: var(--color-text);
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-pill);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(6px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 900;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 959px) {
  .hero {
    min-height: 70vh;
    padding-top: var(--space-7);
  }

  .footer__inner {
    text-align: left;
  }
}

@media (min-width: 960px) {
  .nav__toggle {
    display: none;
  }

  .nav__backdrop {
    display: none;
  }

  .nav__panel {
    position: static;
    width: auto;
    max-width: none;
    flex-direction: row;
    align-items: center;
    padding: 0;
    transform: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    background: transparent;
    background-image: none;
    box-shadow: none;
    border-left: none;
    overflow: visible;
  }

  .nav__panel-header,
  .nav__close {
    display: none;
  }

  .nav__list {
    flex-direction: row;
    align-items: center;
    width: auto;
    gap: var(--space-4);
    margin-top: 0;
  }

  .nav__link {
    color: var(--color-muted);
    display: inline;
    width: auto;
    padding: 0;
    border: none;
    background: transparent;
  }

  .nav__link:hover,
  .nav__link:focus {
    color: var(--color-text);
    background: transparent;
  }

  .nav__cta {
    width: auto;
    margin-left: var(--space-2);
  }
}

@media (min-width: 768px) {
  .card-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .split {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: start;
  }

  .contact {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    align-items: start;
  }

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

  .footer__inner {
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr) minmax(0, 0.6fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}