/**
 * AlgorivaTech — Layout & sections
 */

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.25rem var(--space-inline);
  background: rgba(11, 11, 11, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--duration-normal) var(--ease-out-expo),
              border-color var(--duration-normal) var(--ease-out-expo);
}

.site-header.scrolled {
  background: rgba(11, 11, 11, 0.95);
}

.header-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.header-logo-wrap {
  display: flex;
  align-items: center;
}

.logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.logo-img {
  display: block;
  height: 2rem;
  width: auto;
  max-width: 180px;
  object-fit: contain;
}

.logo span {
  color: var(--color-accent);
}

.nav-main {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-main a {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-muted);
}

.nav-main a:hover,
.nav-main a.active {
  color: var(--color-text);
}

.nav-main a.active {
  color: var(--color-accent);
}

/* Services dropdown */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-chevron {
  font-size: 0.65em;
  opacity: 0.8;
  transition: transform var(--duration-fast) var(--ease-out-expo);
}

.nav-dropdown:hover .nav-chevron,
.nav-dropdown.open .nav-chevron {
  transform: rotate(180deg);
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 0.5rem;
  min-width: 260px;
  max-width: 320px;
  padding: 0.5rem 0;
  background: var(--color-secondary);
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  box-shadow: var(--shadow-elevated);
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity var(--duration-fast) var(--ease-out-expo), transform var(--duration-fast) var(--ease-out-expo), visibility var(--duration-fast);
  z-index: 100;
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown.open .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown-menu li {
  margin: 0;
}

.nav-dropdown-menu a {
  display: block;
  padding: 0.5rem 1rem;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  white-space: nowrap;
}

.nav-dropdown-menu a:hover {
  color: var(--color-accent);
  background: var(--color-accent-muted);
}

.nav-dropdown-all {
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 0.25rem;
  padding-bottom: 0.5rem !important;
}

/* Main service row: hover opens flyout on the right */
.nav-dropdown-item-with-flyout {
  position: relative;
  margin: 0;
}

.nav-dropdown-parent {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: var(--weight-semibold);
  color: var(--color-text) !important;
  padding: 0.5rem 1rem;
}

.nav-dropdown-item-with-flyout.has-flyout .nav-dropdown-parent .nav-flyout-chevron {
  margin-left: 0.5rem;
  color: var(--color-text-subtle);
}

/* Flyout: opens to the right of the menu when hovering a service row */
.nav-dropdown-flyout {
  position: absolute;
  left: 100%;
  top: 0;
  margin-left: 2px;
  min-width: 220px;
  padding: 0.5rem 0;
  background: var(--color-secondary);
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  box-shadow: var(--shadow-elevated);
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-6px);
  transition: opacity var(--duration-fast) var(--ease-out-expo), transform var(--duration-fast) var(--ease-out-expo), visibility var(--duration-fast);
  z-index: 101;
}

.nav-dropdown-item-with-flyout:hover .nav-dropdown-flyout {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

.nav-dropdown-flyout ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-dropdown-flyout li {
  margin: 0;
}

.nav-dropdown-flyout a {
  display: block;
  padding: 0.5rem 1rem;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  white-space: nowrap;
}

.nav-dropdown-flyout a:hover {
  color: var(--color-accent);
  background: var(--color-accent-muted);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Mobile menu trigger — hidden on desktop */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0.5rem;
  flex-shrink: 0;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: transform var(--duration-normal) var(--ease-out-expo),
              opacity var(--duration-fast);
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-close {
  display: none;
}

/* Bottom nav — mobile only (app-like) */
.bottom-nav {
  display: none;
}

@media (max-width: 768px) {
  .menu-toggle { display: flex; }
  .header-logo-wrap {
    flex: 1;
    justify-content: center;
    min-width: 0;
  }
  .header-cta-btn {
    display: none !important;
  }
  .header-cart-link {
    min-width: 44px;
    min-height: 44px;
    padding: 0.5rem;
  }
  .site-header {
    background: #0b0b0b;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
  .nav-main {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: min(320px, 100vw);
    flex-direction: column;
    align-items: flex-start;
    gap: 1px;
    padding: 3.25rem 1rem 1.5rem;
    background: #2d2d2d;
    background-image: none;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    transform: translateX(-100%);
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.5);
    transition: transform var(--duration-normal) var(--ease-out-expo);
    z-index: 1001;
    opacity: 1;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
  .nav-main.open {
    transform: translateX(0);
  }
  .nav-close {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    width: 100%;
    padding: 0.4rem 0;
    margin-bottom: 0.35rem;
    font-size: var(--text-base);
    font-weight: var(--weight-medium);
    color: var(--color-text-muted);
    background: none;
    border: none;
    cursor: pointer;
    border-bottom: 1px solid var(--color-border);
    -webkit-tap-highlight-color: transparent;
  }
  .nav-close:hover,
  .nav-close:focus-visible {
    color: var(--color-text);
  }
  .nav-main a {
    font-size: var(--text-base);
    padding: 0.28rem 0;
    width: 100%;
  }
  .nav-dropdown { width: 100%; }
  .nav-dropdown-trigger { font-size: var(--text-base); padding: 0.28rem 0; }
  .nav-dropdown-menu {
    position: static;
    margin-top: 0.15rem;
    margin-left: 0.75rem;
    margin-bottom: 0.2rem;
    min-width: 0;
    opacity: 1;
    visibility: visible;
    transform: none;
    max-height: 0;
    overflow: hidden;
    padding: 0;
    border: none;
    box-shadow: none;
    background: var(--color-surface);
    border-radius: 0.5rem;
    transition: max-height var(--duration-normal) var(--ease-out-expo);
  }
  .nav-dropdown.open .nav-dropdown-menu {
    max-height: 85vh;
    padding: 0.25rem 0;
    border: 1px solid var(--color-border);
  }
  .nav-dropdown-menu a { padding: 0.22rem 0.75rem; }
  .nav-dropdown-parent { display: flex; align-items: center; justify-content: space-between; }
  .nav-flyout-chevron { font-size: 0.75em; opacity: 0.8; transition: transform var(--duration-fast) var(--ease-out-expo); }
  /* On mobile: each service has its own dropdown — flyouts collapsed by default */
  .nav-dropdown-flyout {
    position: static;
    margin-left: 0.75rem;
    margin-top: 0;
    margin-bottom: 0;
    min-width: 0;
    opacity: 1;
    visibility: visible;
    transform: none;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    max-height: 0;
    overflow: hidden;
    border: none;
    padding: 0;
    transition: max-height var(--duration-normal) var(--ease-out-expo);
  }
  .nav-dropdown-item-with-flyout.expanded .nav-dropdown-flyout {
    max-height: 50vh;
    margin-top: 0.12rem;
    margin-bottom: 0.2rem;
    padding: 0.15rem 0;
    border: 1px solid var(--color-border);
  }
  .nav-dropdown-item-with-flyout.expanded .nav-flyout-chevron {
    transform: rotate(-180deg);
  }
  .nav-dropdown-item-with-flyout:hover .nav-dropdown-flyout {
    transform: none;
  }

  /* Bottom nav: fixed bar with 4 items + icons — enhanced */
  .bottom-nav {
    display: flex;
    align-items: stretch;
    justify-content: space-around;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 999;
    min-height: 56px;
    padding: 6px 8px calc(6px + env(safe-area-inset-bottom, 0));
    background: #0f0f0f;
    border-top: 1px solid var(--color-border-strong);
    box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.4);
    -webkit-tap-highlight-color: transparent;
  }
  .bottom-nav__link {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    flex: 1;
    min-width: 0;
    max-width: 88px;
    padding: 8px 6px;
    margin: 0 2px;
    font-size: 0.6875rem;
    font-weight: var(--weight-medium);
    letter-spacing: 0.02em;
    color: var(--color-text-muted);
    text-decoration: none;
    border-radius: 12px;
    transition: color var(--duration-fast) var(--ease-out-expo),
                background-color var(--duration-fast) var(--ease-out-expo),
                transform var(--duration-fast) var(--ease-out-expo);
    -webkit-tap-highlight-color: transparent;
  }
  .bottom-nav__link:hover,
  .bottom-nav__link:focus-visible {
    color: var(--color-text);
    background-color: rgba(255, 255, 255, 0.04);
  }
  .bottom-nav__link:active {
    transform: scale(0.96);
  }
  .bottom-nav__link--active {
    color: var(--color-accent);
    background-color: var(--color-accent-muted);
  }
  .bottom-nav__link--active:hover,
  .bottom-nav__link--active:focus-visible {
    color: var(--color-accent);
    background-color: rgba(16, 185, 129, 0.2);
  }
  .bottom-nav__link--active .bottom-nav-svg {
    stroke-width: 2.25;
  }
  .bottom-nav__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    flex-shrink: 0;
  }
  .bottom-nav-svg {
    width: 22px;
    height: 22px;
    stroke-width: 1.75;
    transition: stroke-width var(--duration-fast);
  }
  .bottom-nav__label {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
    line-height: 1.2;
  }
  /* Main content: leave space above bottom nav */
  .main-content {
    padding-bottom: calc(64px + env(safe-area-inset-bottom, 0) + 1rem);
  }
}

/* Section spacing */
.section {
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
}

.page-top {
  padding-top: 6rem;
}

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

/* Footer */
.site-footer {
  background: var(--color-primary);
  border-top: 1px solid var(--color-border);
  padding: 0 var(--space-inline) var(--space-section);
}

.footer-cta-strip {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 2rem var(--space-inline) 2.5rem;
  border-bottom: 1px solid var(--color-border);
}

.footer-cta-strip-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.footer-cta-strip-text {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  margin: 0;
}

.footer-cta-strip .btn-sm {
  padding: 0.6rem 1.25rem;
  font-size: var(--text-sm);
}

.footer-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-top: 3rem;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand .logo {
  display: inline-block;
  margin-bottom: 0.75rem;
}

.logo-img--footer {
  height: 2.25rem;
  max-width: 200px;
}

.footer-tagline {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  margin: 0 0 0.5rem;
}

.footer-brand-lead {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 36ch;
  margin: 0 0 1.25rem;
  line-height: 1.6;
}

.footer-brand-link {
  font-size: var(--text-sm);
  color: var(--color-accent);
  text-decoration: none;
}

.footer-brand-link:hover {
  text-decoration: underline;
}

.footer-brand p:not(.footer-tagline):not(.footer-brand-lead) {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.footer-col-link {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: var(--text-sm);
  color: var(--color-accent);
  text-decoration: none;
}

.footer-col-link:hover {
  text-decoration: underline;
}

.footer-col h4 {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.footer-col ul li {
  margin-bottom: 0.75rem;
}

.footer-col a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.footer-col a:hover {
  color: var(--color-accent);
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-contact-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.footer-contact-label {
  font-size: 0.7rem;
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}

.footer-contact-item a,
.footer-contact-item .footer-address {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  line-height: 1.5;
}

.footer-contact-item a:hover {
  color: var(--color-accent);
}

.footer-contact-item .footer-address {
  margin: 0;
  max-width: 26ch;
}

.footer-social {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.footer-social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.5rem;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.footer-social-link:hover {
  color: var(--color-accent);
  border-color: var(--color-accent-muted);
  background: var(--color-surface);
}

.footer-social-icon {
  width: 1.25rem;
  height: 1.25rem;
  display: block;
}

.footer-bottom {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-bottom p {
  font-size: var(--text-sm);
  color: var(--color-text-subtle);
}

.footer-bottom-domain {
  color: var(--color-text-subtle);
  text-decoration: none;
}

.footer-bottom-domain:hover {
  color: var(--color-accent);
}

.footer-bottom-tagline {
  font-style: italic;
  color: var(--color-text-muted);
}

@media (max-width: 1024px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .footer-cta-strip-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-brand-lead {
    max-width: none;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .footer-bottom-tagline {
    order: -1;
    width: 100%;
  }
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 6rem;
}

.hero-content {
  max-width: 42rem;
}

.hero-content .badge {
  margin-bottom: 1rem;
}

.hero-content h1 {
  margin-bottom: 1.25rem;
  letter-spacing: -0.03em;
}

.hero-lead {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  line-height: var(--leading-relaxed);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* CTA section */
.cta-section .text-center h2 {
  margin-bottom: 0.75rem;
}

.cta-section .text-center p {
  margin-bottom: 1.5rem;
  margin-left: auto;
  margin-right: auto;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: var(--text-base);
}

.text-center {
  text-align: center;
}

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

/* Capabilities list */
.capabilities-list {
  list-style: none;
}

.capabilities-list li {
  padding: 1rem 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  font-weight: var(--weight-medium);
  color: var(--color-text);
  transition: border-color var(--duration-normal), color var(--duration-normal);
}

.capabilities-list li:hover {
  border-color: var(--color-accent-muted);
  color: var(--color-accent);
}

/* Testimonial */
.testimonial {
  font-style: italic;
}

.testimonial p {
  font-size: var(--text-lg);
  color: var(--color-text);
  margin-bottom: 1rem;
}

.testimonial footer {
  font-style: normal;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.testimonial cite {
  font-style: normal;
}

/* Back to top */
.back-to-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 999;
  width: 2.75rem;
  height: 2.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent);
  color: var(--color-primary);
  border-radius: 50%;
  box-shadow: var(--shadow-card);
  opacity: 0;
  visibility: hidden;
  transform: translateY(0.5rem);
  transition: opacity var(--duration-normal) var(--ease-out-expo), visibility var(--duration-normal), transform var(--duration-normal) var(--ease-out-expo);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-accent-hover);
  color: var(--color-primary);
}

.back-to-top svg {
  width: 1.25rem;
  height: 1.25rem;
}

@media (max-width: 768px) {
  .back-to-top {
    bottom: calc(64px + env(safe-area-inset-bottom, 0) + 0.75rem);
    right: 1rem;
  }
}

/* FAQ page */
.faq-list {
  max-width: 40rem;
  margin-top: 2rem;
}

.faq-item {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--color-border);
}

.faq-item:last-child {
  border-bottom: 0;
}

.faq-list dt {
  font-family: var(--font-heading);
  font-weight: var(--weight-semibold);
  font-size: var(--text-base);
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.faq-list dd {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}