/* ── Navigation ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6) var(--space-8);
  transition: background var(--duration-base) var(--ease-in-out),
              backdrop-filter var(--duration-base) var(--ease-in-out),
              padding var(--duration-base) var(--ease-in-out);
}

.nav--scrolled {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: var(--space-4) var(--space-8);
  border-bottom: 1px solid var(--color-border);
}

.nav__logo {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  text-transform: uppercase;
}

.nav__links {
  display: none;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .nav__links { display: flex; }
}

.nav__link {
  font-size: var(--text-sm);
  color: var(--color-accent);
  letter-spacing: 0.05em;
  transition: color var(--duration-fast) var(--ease-in-out);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-base) var(--ease-out-expo);
}

.nav__link:hover { color: var(--color-primary); }
.nav__link:hover::after { transform: scaleX(1); }

.nav__cta {
  font-size: var(--text-sm);
  padding: var(--space-3) var(--space-6);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-full);
  transition: background var(--duration-fast) var(--ease-in-out),
              color var(--duration-fast) var(--ease-in-out);
}

.nav__cta:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
  transition: all var(--duration-base) var(--ease-out-expo);
  min-height: 48px;
  cursor: pointer;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
  border: 1px solid var(--color-primary);
}

.btn--primary:hover {
  background: transparent;
  color: var(--color-primary);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn--outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn__arrow {
  transition: transform var(--duration-base) var(--ease-out-expo);
}

.btn:hover .btn__arrow { transform: translateX(4px); }

/* ── Service Card ── */
.service-card {
  padding: var(--space-8);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--duration-base) var(--ease-in-out),
              transform var(--duration-base) var(--ease-out-expo),
              box-shadow var(--duration-base) var(--ease-in-out);
  background: var(--color-bg);
}

.service-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
}

.service-card__num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-muted);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
}

.service-card__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
}

.service-card__desc {
  font-size: var(--text-sm);
  line-height: 1.8;
  color: var(--color-muted);
}

.service-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-6);
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-muted);
}

/* ── Work Card ── */
.work-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  aspect-ratio: 16 / 10;
}

.work-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out-expo);
}

.work-card:hover .work-card__img { transform: scale(1.04); }


/* ── Footer ── */
.footer {
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-16) 0 var(--space-8);
}

.footer__grid {
  display: grid;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

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

@media (min-width: 1024px) {
  .footer__grid { grid-template-columns: 2fr 1fr 1fr; }
}

.footer__brand {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  letter-spacing: 0.15em;
  margin-bottom: var(--space-4);
}

.footer__tagline {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
}

.footer__heading {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: var(--space-4);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.7);
  transition: color var(--duration-fast);
}

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

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: center;
  text-align: center;
}

@media (min-width: 768px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer__copy {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.05em;
}

/* ── FOMO Banner ── */
.fomo-banner {
  position: fixed;
  bottom: var(--space-6);
  left: var(--space-6);
  z-index: 200;
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-base);
  font-size: var(--text-sm);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
  transform: translateY(120%);
  transition: transform var(--duration-slow) var(--ease-out-expo);
  max-width: 280px;
}

.fomo-banner--show { transform: translateY(0); }

.fomo-banner__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4ade80;
  flex-shrink: 0;
  animation: pulse-dot 2s infinite;
}

.fomo-banner__close {
  margin-left: var(--space-2);
  color: rgba(255,255,255,0.5);
  font-size: var(--text-lg);
  line-height: 1;
  transition: color var(--duration-fast);
}

.fomo-banner__close:hover { color: var(--color-white); }

/* ── Loading Screen ── */
.loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--duration-slow) var(--ease-in-out),
              visibility var(--duration-slow) var(--ease-in-out);
}

.loader--hidden { opacity: 0; visibility: hidden; }

.loader__text {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  letter-spacing: 0.3em;
  animation: loader-pulse 1.2s ease-in-out infinite;
}