/* Components — Nav, Buttons, Cards, FAQ, Forms, Lightbox */

/* ============================================================
   Scroll Progress Bar
   ============================================================ */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0;
  background: var(--accent);
  z-index: var(--z-progress);
  transition: width 100ms linear;
  will-change: width;
}

/* ============================================================
   Navigation
   ============================================================ */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-nav);
  background: rgba(255, 255, 255, 0);
  transition: background var(--t-base) var(--ease), height var(--t-base) var(--ease);
  border-bottom: 1px solid transparent;
}

.nav.is-scrolled,
body.menu-open .nav {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom-color: var(--line);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  transition: height var(--t-base) var(--ease);
}

.nav.is-scrolled .nav__inner {
  height: 64px;
}

.nav__logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink-900);
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
}

.nav__logo-dot {
  color: var(--accent);
  display: inline-block;
}

.nav__menu {
  display: none;
  align-items: center;
  gap: var(--space-lg);
}

@media (min-width: 1024px) {
  .nav__menu { display: flex; }
}

.nav__link {
  position: relative;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ink-700);
  padding: 0.5rem 0;
  transition: color var(--t-fast) var(--ease);
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 0;
  width: 4px; height: 4px;
  background: var(--accent);
  border-radius: 50%;
  transform: translate(-50%, 0) scale(0);
  transition: transform var(--t-base) var(--ease-out);
}

.nav__link:hover,
.nav__link.is-active {
  color: var(--ink-900);
}

.nav__link.is-active::after {
  transform: translate(-50%, 0) scale(1);
}

.nav__cta-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* Hamburger */
.nav__toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  align-items: center;
}

@media (min-width: 1024px) {
  .nav__toggle { display: none; }
}

.nav__toggle span {
  width: 22px;
  height: 2px;
  background: var(--ink-900);
  transition: transform var(--t-base) var(--ease), opacity var(--t-fast) var(--ease);
  transform-origin: center;
}

body.menu-open .nav__toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

body.menu-open .nav__toggle span:nth-child(2) {
  opacity: 0;
}

body.menu-open .nav__toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Overlay */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--bg-base);
  z-index: var(--z-overlay);
  display: flex;
  flex-direction: column;
  padding: 6rem 1.5rem 2rem;
  transform: translateX(100%);
  transition: transform var(--t-base) var(--ease);
  visibility: hidden;
}

body.menu-open .mobile-menu {
  transform: translateX(0);
  visibility: visible;
}

.mobile-menu__list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex: 1;
}

.mobile-menu__link {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink-900);
  padding: 0.5rem 0;
  display: block;
  opacity: 0;
  transform: translateX(20px);
  transition: opacity 400ms var(--ease-out), transform 400ms var(--ease-out);
}

body.menu-open .mobile-menu__link {
  opacity: 1;
  transform: translateX(0);
}

body.menu-open .mobile-menu__link:nth-child(1) { transition-delay: 60ms; }
body.menu-open .mobile-menu__link:nth-child(2) { transition-delay: 120ms; }
body.menu-open .mobile-menu__link:nth-child(3) { transition-delay: 180ms; }
body.menu-open .mobile-menu__link:nth-child(4) { transition-delay: 240ms; }

.mobile-menu__bottom {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding-bottom: env(safe-area-inset-bottom);
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  height: 52px;
  padding-inline: 1.5rem;
  border-radius: var(--r-pill);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background var(--t-fast) var(--ease),
              color var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease),
              transform var(--t-fast) var(--ease);
  -webkit-tap-highlight-color: rgba(29, 78, 216, 0.1);
  white-space: nowrap;
  user-select: none;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--accent-dk);
  border-color: var(--accent-dk);
}

.btn--ghost {
  background: transparent;
  color: var(--ink-900);
  border-color: var(--ink-900);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  background: var(--ink-900);
  color: #fff;
}

.btn--dark {
  background: var(--ink-900);
  color: #fff;
  border-color: var(--ink-900);
}

.btn--dark:hover {
  background: var(--ink-700);
}

.btn--block {
  width: 100%;
}

.btn--sm {
  height: 44px;
  padding-inline: 1.125rem;
  font-size: 0.875rem;
}

.btn .icon {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  transition: transform var(--t-fast) var(--ease);
}

.btn--primary:hover .icon,
.btn--dark:hover .icon {
  transform: translateX(2px);
}

/* ============================================================
   Cards (Services)
   ============================================================ */
.card {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
  overflow: hidden;
  transition: border-color var(--t-base) var(--ease-out),
              transform var(--t-base) var(--ease-out),
              box-shadow var(--t-base) var(--ease-out);
}

@media (hover: hover) {
  .card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-h);
  }
}

.card__icon {
  width: 36px; height: 36px;
  stroke: var(--ink-900);
  stroke-width: 1.5;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke var(--t-base) var(--ease-out);
}

@media (hover: hover) {
  .card:hover .card__icon { stroke: var(--accent); }
}

.card__title {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.card__text {
  color: var(--ink-500);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.card__list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--line);
}

.card__list li {
  font-size: 0.875rem;
  color: var(--ink-700);
  padding-left: 1.25rem;
  position: relative;
}

.card__list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.55em;
  width: 8px; height: 1px;
  background: var(--accent);
}

.card__arrow {
  position: absolute;
  top: 1.75rem; right: 1.5rem;
  width: 20px; height: 20px;
  stroke: var(--ink-300);
  stroke-width: 1.5;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform var(--t-base) var(--ease-out),
              stroke var(--t-base) var(--ease-out);
}

@media (hover: hover) {
  .card:hover .card__arrow {
    transform: translateX(4px);
    stroke: var(--accent);
  }
}

/* ============================================================
   FAQ
   ============================================================ */
.faq {
  border-top: 1px solid var(--line);
}

.faq__item {
  border-bottom: 1px solid var(--line);
}

.faq__summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 0;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.0625rem;
  color: var(--ink-900);
  -webkit-tap-highlight-color: rgba(29, 78, 216, 0.08);
}

.faq__summary::-webkit-details-marker { display: none; }

.faq__summary:hover { color: var(--accent); }

.faq__icon {
  flex-shrink: 0;
  width: 20px; height: 20px;
  stroke: var(--ink-700);
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
  transition: transform var(--t-base) var(--ease-out),
              stroke var(--t-base) var(--ease-out);
}

.faq__item[open] .faq__icon {
  transform: rotate(45deg);
  stroke: var(--accent);
}

.faq__body {
  padding: 0 0 1.5rem 0;
  color: var(--ink-500);
  font-size: 0.9375rem;
  max-width: 60ch;
  animation: faq-fade-in 350ms var(--ease-out);
}

@keyframes faq-fade-in {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   Forms
   ============================================================ */
.form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.field {
  position: relative;
  display: flex;
  flex-direction: column;
}

.field label {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-500);
  margin-bottom: 0.4rem;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 52px;
  padding: 0.875rem 1rem;
  font-size: 1rem;
  font-family: var(--font-sans);
  color: var(--ink-900);
  background: var(--bg-elevated);
  border: 1.5px solid var(--line);
  border-radius: var(--r-input);
  transition: border-color var(--t-fast) var(--ease),
              box-shadow var(--t-fast) var(--ease);
  -webkit-appearance: none;
  appearance: none;
}

.field textarea {
  min-height: 120px;
  resize: vertical;
  font-family: inherit;
  line-height: 1.6;
}

.field select {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none' stroke='%230A0A0A' stroke-width='2' stroke-linecap='round'><path d='M1 1 L6 6 L11 1'/></svg>");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--ink-900);
  box-shadow: 0 0 0 4px rgba(29, 78, 216, 0.08);
}

.field.is-error input,
.field.is-error select,
.field.is-error textarea {
  border-color: var(--accent);
}

.field__error {
  font-size: 0.8125rem;
  color: var(--accent);
  margin-top: 0.4rem;
  display: none;
}

.field.is-error .field__error { display: block; }

/* Honeypot */
.hp-field {
  position: absolute !important;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

.checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--ink-500);
  line-height: 1.5;
}

.checkbox input {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  accent-color: var(--accent);
  flex-shrink: 0;
}

.form__status {
  font-size: 0.9375rem;
  padding: 0.875rem 1rem;
  border-radius: var(--r-input);
  display: none;
}

.form__status.is-success {
  display: block;
  background: var(--accent-soft);
  color: var(--accent-dk);
  border: 1px solid var(--accent);
}

.form__status.is-error {
  display: block;
  background: #fff5f5;
  color: var(--accent-dk);
  border: 1px solid var(--accent);
}

/* ============================================================
   Bottom Sticky CTA (Mobile)
   ============================================================ */
.bottom-cta {
  position: fixed;
  left: 0; right: 0;
  bottom: 0;
  display: flex;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
  padding-bottom: calc(0.625rem + env(safe-area-inset-bottom));
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--line);
  z-index: var(--z-sticky-cta);
  transform: translateY(110%);
  transition: transform var(--t-base) var(--ease-out);
}

.bottom-cta.is-visible {
  transform: translateY(0);
}

.bottom-cta .btn {
  flex: 1;
  height: 48px;
  padding-inline: 0.5rem;
  font-size: 0.875rem;
}

@media (min-width: 1024px) {
  .bottom-cta { display: none; }
}

/* ============================================================
   Lightbox
   ============================================================ */
.lightbox {
  position: fixed;
  inset: 0;
  margin: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  background: rgba(10, 10, 10, 0.95);
  border: none;
  padding: 0;
  z-index: var(--z-lightbox);
}

.lightbox::backdrop { background: rgba(10,10,10,0.95); }

.lightbox__inner {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 1rem;
}

.lightbox__img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 8px;
}

.lightbox__close {
  position: absolute;
  top: 1rem; right: 1rem;
  width: 44px; height: 44px;
  background: rgba(255,255,255,0.1);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  border: 1px solid rgba(255,255,255,0.2);
}

.lightbox__close:hover { background: rgba(255,255,255,0.2); }

/* ============================================================
   Tags / Pills
   ============================================================ */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-700);
  background: var(--bg-soft);
  padding: 0.35rem 0.75rem;
  border-radius: var(--r-pill);
}

/* ============================================================
   Trust strip
   ============================================================ */
.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  font-size: 0.8125rem;
  color: var(--ink-500);
  margin-top: 2rem;
  align-items: center;
}

.trust-strip__item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.trust-strip__item::before {
  content: "";
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
  display: inline-block;
}

.trust-strip__item:first-child::before {
  display: none;
}