/* ============================================================
   LAYOUT — Container, section rhythm, grid utilities
   ============================================================ */

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-3);
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--space-5);
  }
}

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

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

/* --- Section rhythm --- */
.section {
  padding-block: var(--space-7);
  scroll-margin-top: calc(var(--header-height) + var(--space-2));
}

@media (min-width: 768px) {
  .section {
    padding-block: var(--space-8);
  }
}

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

.section--dark {
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
}

.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--color-text-inverse);
}

.section--dark .section-label {
  color: var(--color-warm-light);
}

.section--dark .section-label::before {
  background: var(--color-warm-light);
}

/* Section header spacing */
.section__header {
  margin-bottom: var(--space-6);
}

@media (min-width: 768px) {
  .section__header {
    margin-bottom: var(--space-7);
  }
}

.section__header p {
  margin-top: var(--space-2);
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 60ch;
}

/* --- Grid utilities --- */
.grid {
  display: grid;
  gap: var(--space-4);
}

.grid--2 {
  grid-template-columns: 1fr;
}

.grid--3 {
  grid-template-columns: 1fr;
}

.grid--4 {
  grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 768px) {
  .grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Asymmetric 2-col (content + sidebar) */
.grid--aside {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .grid--aside {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .grid--aside {
    grid-template-columns: 3fr 2fr;
    gap: var(--space-7);
  }
}

/* --- Flex utilities --- */
.flex {
  display: flex;
}

.flex--center {
  align-items: center;
  justify-content: center;
}

.flex--between {
  align-items: center;
  justify-content: space-between;
}

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

/* --- Header --- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(240, 237, 234, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-light);
  transition: transform var(--duration-normal) var(--ease-out);
}

.header--hidden {
  transform: translateY(-100%);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-accent);
  flex-shrink: 0;
}

.header__logo-icon {
  color: var(--color-primary);
}

.header__logo-text {
  font-weight: 750;
  font-size: var(--text-base);
  letter-spacing: var(--tracking-wide);
}

.header__nav {
  display: none;
}

.header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.header__nav-link {
  font-size: var(--text-sm);
  font-weight: 550;
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: var(--space-1) 0;
  position: relative;
  transition: color var(--duration-fast) var(--ease-out);
}

.header__nav-link:hover,
.header__nav-link--active {
  color: var(--color-primary);
}

.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--duration-normal) var(--ease-out);
}

.header__nav-link:hover::after,
.header__nav-link--active::after {
  width: 100%;
}

/* CTA in nav — no underline effect */
.header__nav-link.btn::after {
  display: none;
}

.header__nav-link.btn {
  color: var(--color-text-inverse);
}

@media (min-width: 768px) {
  .header__nav {
    display: block;
  }
}

/* Mobile toggle — visible only below 768px */
.header__toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
}

@media (min-width: 768px) {
  .header__toggle {
    display: none;
  }
}

.header__toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition:
    transform var(--duration-normal) var(--ease-out),
    opacity var(--duration-fast) var(--ease-out);
  transform-origin: center;
}

.header__toggle[aria-expanded="true"] .header__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.header__toggle[aria-expanded="true"] .header__toggle-bar:nth-child(2) {
  opacity: 0;
}

.header__toggle[aria-expanded="true"] .header__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu */
.header__mobile-menu {
  background: var(--color-surface-raised);
  border-bottom: 1px solid var(--color-border-light);
  padding: var(--space-3) var(--space-4) var(--space-5);
}

.header__mobile-menu[hidden] {
  display: none;
}

.header__mobile-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.header__mobile-link {
  display: block;
  padding: var(--space-2) var(--space-2);
  font-size: var(--text-lg);
  font-weight: 550;
  color: var(--color-text);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: background-color var(--duration-fast) var(--ease-out);
}

.header__mobile-link:hover {
  background: var(--color-surface);
  color: var(--color-primary);
}

.header__mobile-link.btn {
  text-align: center;
  margin-top: var(--space-2);
  color: var(--color-text-inverse);
}

@media (min-width: 768px) {
  .header__mobile-menu {
    display: none !important;
  }
}

/* --- Footer --- */
.footer {
  background: var(--color-accent);
  color: var(--color-text-inverse);
  padding-block: var(--space-7) var(--space-5);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

@media (min-width: 768px) {
  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-6);
  }
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-text-inverse);
  font-weight: 700;
  font-size: var(--text-sm);
}

.footer__tagline {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.5);
  margin-top: var(--space-1);
}

.footer__social {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--duration-fast) var(--ease-out), background-color var(--duration-fast) var(--ease-out);
}

.footer__social-link:hover {
  color: var(--color-text-inverse);
  background: rgba(255, 255, 255, 0.1);
}

.footer__heading {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
  margin-bottom: var(--space-3);
}

.footer__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer__list a {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

.footer__list a:hover {
  color: var(--color-text-inverse);
}

.footer__bottom {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.4);
}

/* --- Cookie banner --- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: var(--color-surface-raised);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.1);
  padding: var(--space-3) var(--space-4);
}

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

.cookie-banner__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  justify-content: space-between;
}

.cookie-banner__text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  flex: 1;
  min-width: 250px;
}

.cookie-banner__actions {
  display: flex;
  gap: var(--space-2);
  flex-shrink: 0;
}

/* --- Divider --- */
.divider {
  border: none;
  height: 1px;
  background: var(--color-border-light);
  margin-block: var(--space-6);
}