/* =============================================================
   components.css — UI components
   2026 warm organic edition
   ============================================================= */


/* -----------------------------------------------------------
   Nav — Liquid Glass Warm
   ----------------------------------------------------------- */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  background: var(--nav-bg);
  backdrop-filter: var(--nav-blur);
  -webkit-backdrop-filter: var(--nav-blur);
  border-bottom: 1px solid var(--nav-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(var(--space-4), 4vw, var(--space-8));
  transition:
    background var(--duration-base) var(--ease-gentle),
    border-color var(--duration-base) var(--ease-gentle);
}

/* Specular highlight */
.nav::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.6) 30%,
    rgba(255, 255, 255, 0.8) 50%,
    rgba(255, 255, 255, 0.6) 70%,
    transparent 100%
  );
  pointer-events: none;
}

/* Logo */

.nav__logo {
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-label);
  text-decoration: none;
  flex-shrink: 0;
  white-space: nowrap;
}

/* Wordmark always shown in full — logo-short ("OD") never appears */
.nav__logo .logo-short {
  display: none;
}

.nav__logo .logo-full {
  display: inline;
}

@media (max-width: 640px) {
  /* Scale wordmark down so "Outline Department" fits at 375px */
  .nav__logo {
    font-size: var(--text-2xs);   /* 11px */
    letter-spacing: 0.04em;
  }
}

/* Links */

.nav__links {
  display: flex;
  gap: var(--space-6);
  align-items: center;
}

@media (max-width: 640px) {
  .nav__links {
    gap: var(--space-3);   /* 12px — breathing room for full wordmark */
  }
}

.nav__link {
  position: relative;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-label-3);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-gentle);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--duration-fast) var(--ease-out);
}

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

.nav__link:hover::after {
  width: 100%;
}

.nav__link--active {
  color: var(--color-label);
  font-weight: 600;
}

.nav__link--active::after {
  width: 100%;
}

.nav__link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-xs);
}


/* -----------------------------------------------------------
   Segment control (filter)
   ----------------------------------------------------------- */

.segment-control {
  display: inline-flex;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-full);
  padding: 3px;
  gap: 2px;
  border: 1px solid var(--color-separator);
}

.segment-btn {
  padding: 7px 18px;
  border-radius: var(--radius-full);
  border: none;
  background: transparent;
  cursor: pointer;
  font-family: var(--font-system);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-label-3);
  white-space: nowrap;
  line-height: 1;
  transition: all var(--duration-fast) var(--ease-apple);
}

.segment-btn:hover:not(.segment-btn--active) {
  color: var(--color-label-2);
  background: rgba(255, 255, 255, 0.4);
}

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

.segment-btn--active {
  background: var(--color-bg-elevated);
  color: var(--color-label);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

@media (max-width: 640px) {
  .segment-control {
    min-width: max-content;
  }
}


/* -----------------------------------------------------------
   Project card — 2026 overlay style
   ----------------------------------------------------------- */

.project-card {
  display: block;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-elevated);
  box-shadow: var(--shadow-card);
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  position: relative;
  transition:
    transform var(--duration-base) var(--ease-out),
    box-shadow var(--duration-base) var(--ease-out);
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card-hover);
}

.project-card:active {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.project-card:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* Image wrapper */

.project-card__image-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3 / 2;
  background: var(--color-bg-tertiary);
}

.project-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--duration-slow) var(--ease-out);
}

.project-card:hover .project-card__image {
  transform: scale(1.06);
}

/* Card body — always visible below the image */

.project-card__body {
  padding: var(--space-5) var(--space-5) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* Category */

.project-card__category {
  font-size: var(--text-2xs);
  font-weight: 600;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-accent);
}

/* Title */

.project-card__title {
  font-size: var(--text-h3);
  font-weight: 600;
  letter-spacing: var(--tracking-snug);
  line-height: 1.25;
  color: var(--color-label);
  margin-top: 2px;
}

/* Meta */

.project-card__meta {
  font-size: var(--text-xs);
  color: var(--color-label-4);
  margin-top: 2px;
}


/* -----------------------------------------------------------
   Pill / Tag
   ----------------------------------------------------------- */

.pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
  background: var(--color-fill);
  color: var(--color-label-3);
  line-height: 1;
}

.pill--accent {
  background: var(--color-accent-subtle);
  color: var(--color-accent);
}


/* -----------------------------------------------------------
   Button
   ----------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  border-radius: var(--radius-full);
  font-family: var(--font-system);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  line-height: 1;
  white-space: nowrap;
  transition: all var(--duration-fast) var(--ease-gentle);
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* Primary */

.btn--primary {
  background: var(--color-accent);
  color: #FFFFFF;
  padding: 12px 26px;
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(168, 92, 58, 0.35);
}

.btn--primary:active {
  transform: none;
  box-shadow: none;
}

/* Secondary */

.btn--secondary {
  background: var(--color-fill);
  color: var(--color-label);
  padding: 11px 22px;
  border: 1px solid var(--color-separator);
}

.btn--secondary:hover {
  background: var(--color-fill-2);
  border-color: rgba(168, 92, 58, 0.3);
}

/* Ghost — sliding arrow */

.btn--ghost {
  background: transparent;
  color: var(--color-accent);
  padding: 0;
  gap: var(--space-2);
  transition: gap var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}

.btn--ghost:hover {
  gap: var(--space-3);
}


/* -----------------------------------------------------------
   Section label
   ----------------------------------------------------------- */

.section-label {
  font-size: var(--text-2xs);
  font-weight: 600;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-label-4);
}


/* -----------------------------------------------------------
   Divider
   ----------------------------------------------------------- */

.divider {
  width: 100%;
  height: 1px;
  background: var(--color-separator);
  border: none;
  margin: 0;
}


/* -----------------------------------------------------------
   Metric tile
   ----------------------------------------------------------- */

.metric-tile {
  background: var(--color-bg-elevated);
  border-radius: var(--radius-md);
  padding: var(--space-8) var(--space-6);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-separator);
}

.metric-tile__value {
  font-family: var(--font-display);
  font-size: clamp(40px, 5vw, 58px);
  font-weight: 500;
  letter-spacing: var(--tracking-tighter);
  color: var(--color-label);
  line-height: 1;
}

.metric-tile__label {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-label-4);
  margin-top: var(--space-2);
}


/* -----------------------------------------------------------
   Service card
   ----------------------------------------------------------- */

.service-card {
  background: var(--color-bg-elevated);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-separator);
  transition:
    box-shadow var(--duration-base) var(--ease-gentle),
    transform var(--duration-base) var(--ease-gentle);
}

.service-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.service-card__icon {
  width: 44px;
  height: 44px;
  background: var(--color-accent-subtle);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  color: var(--color-accent);
  flex-shrink: 0;
}

.service-card__title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-label);
  margin-bottom: var(--space-2);
}

.service-card__desc {
  font-size: var(--text-sm);
  color: var(--color-label-3);
  line-height: var(--leading-normal);
}


/* -----------------------------------------------------------
   CTA section
   ----------------------------------------------------------- */

.cta-section {
  background: var(--color-bg-elevated);
  border-radius: var(--radius-2xl);
  padding: clamp(var(--space-12), 8vw, var(--space-20)) clamp(var(--space-8), 6vw, var(--space-16));
  box-shadow: var(--shadow-md);
  text-align: center;
  margin: var(--space-24) auto;
  max-width: 680px;
  border: 1px solid var(--color-separator);
}

@media (max-width: 640px) {
  .cta-section {
    border-radius: var(--radius-xl);
    margin: var(--space-16) auto;
  }
}


/* -----------------------------------------------------------
   Footer
   ----------------------------------------------------------- */

.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-separator);
  padding: var(--space-16) 0 var(--space-8);
  margin-top: var(--space-24);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(var(--space-4), 4vw, var(--space-8));
}

@media (max-width: 580px) {
  .footer__inner {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

.footer__brand {
  font-size: var(--text-base);   /* 16px — un gradino sopra il testo footer */
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-label);
  margin-bottom: var(--space-3);
}

.footer__tagline {
  font-size: var(--text-sm);
  color: var(--color-label-3);
  line-height: var(--leading-normal);
}

.footer__col-label {
  font-size: var(--text-2xs);
  font-weight: 600;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-label-4);
  margin-bottom: var(--space-4);
}

.footer__link {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-label-3);
  text-decoration: none;
  margin-bottom: var(--space-2);
  transition: color var(--duration-fast);
}

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

.footer__link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-xs);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-8) clamp(var(--space-4), 4vw, var(--space-8)) 0;
  border-top: 1px solid var(--color-separator);
  margin-top: var(--space-10);
  width: var(--container);
  margin-left: auto;
  margin-right: auto;
}

.footer__copy {
  font-size: var(--text-xs);
  color: var(--color-label-4);
}