/* ============================================================
   PREMIUM.CSS — Homepage & global polish (Linear / Vercel tier)
   ============================================================ */

/* Type scale (H1 64 / H2 48 / H3 32 / H4 22 / Body 16 / Small 14) — colors live in base.css */
:root {
  --h1: clamp(2.5rem, 4vw + 1rem, 4rem);
  --h2: clamp(2rem, 3vw + 0.5rem, 3rem);
  --h3: clamp(1.5rem, 2vw + 0.25rem, 2rem);
  --h4: 1.375rem;
  --body: 1rem;
  --small: 0.875rem;
}

/* Nav CTA pill */
.btn--nav-cta {
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-weight: 700;
  padding: var(--space-2) var(--space-5);
  box-shadow: 0 0 0 0 transparent;
  transition: all 200ms ease;
}
.btn--nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-primary);
  background: var(--color-primary-hover);
}

/* Mobile nav animation */
.nav__mobile {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  padding-top: 0;
  padding-bottom: 0;
  border-top: none;
  transition: max-height 400ms cubic-bezier(0.16, 1, 0.3, 1), opacity 300ms ease, padding 400ms ease;
}
.nav__mobile.open {
  max-height: 480px;
  opacity: 1;
  padding: var(--space-4) 0 var(--space-6);
  border-top: 1px solid var(--color-border);
}

/* ---- Hero ---- */
.hero__particles {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 20% 30%, rgba(0, 229, 160, 0.06) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(0, 229, 160, 0.04) 0%, transparent 35%);
  animation: hero-pulse 8s ease-in-out infinite alternate;
}
@keyframes hero-pulse {
  from { opacity: 0.6; }
  to { opacity: 1; }
}
.hero__tagline {
  font-size: var(--h4);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
  line-height: 1.3;
}
.hero__subheading {
  font-size: var(--body);
  max-width: 48ch;
}
.hero__actions .btn--ghost {
  border-color: var(--color-hero-ghost-border);
  color: var(--color-text);
}
.hero__actions .btn--ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* Logo strip */
.logo-strip {
  border-block: 1px solid var(--color-border);
  background: var(--color-surface);
  padding-block: var(--space-6);
}
.logo-strip__label {
  text-align: center;
  font-size: var(--small);
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
  letter-spacing: 0.02em;
}
.logo-strip__label strong {
  color: var(--color-text);
  font-weight: 600;
}
.logo-strip__track {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--space-6) var(--space-10);
  max-width: 900px;
  margin-inline: auto;
}
.logo-strip__item {
  font-family: var(--font-display);
  font-size: var(--small);
  font-weight: 700;
  color: var(--color-text-faint);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 200ms ease;
}
.logo-strip__item:hover {
  color: var(--color-primary);
}

/* ---- Stats panel ---- */
.stats-panel {
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
  border-block: 1px solid var(--color-border);
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
}
.stats-panel .stat-block__value {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
}
.stats-panel .stat-block__hint {
  font-size: var(--small);
  color: var(--color-text-faint);
  margin-top: var(--space-2);
  line-height: 1.4;
}

/* ---- Service cards premium ---- */
.services__grid .card {
  display: flex;
  flex-direction: column;
  min-height: 280px;
  padding: var(--space-8);
  transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}
.services__grid .card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-primary);
}
.services__grid .card__title {
  font-size: 1.25rem;
  font-weight: 700;
}
.services__grid .card__body {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.services__grid .card__link {
  margin-top: auto;
  padding-top: var(--space-5);
  font-size: var(--small);
  font-weight: 600;
  color: var(--color-primary);
  transition: gap 200ms ease;
}
.services__grid .card__link:hover {
  gap: var(--space-2);
}

/* ---- Portfolio / work ---- */
.portfolio-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-8);
  margin-bottom: var(--space-6);
}
.portfolio-filters__btn {
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  font-size: var(--small);
  font-weight: 600;
  color: var(--color-text-muted);
  background: transparent;
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all 200ms ease;
}
.portfolio-filters__btn:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
}
.portfolio-filters__btn.is-active {
  background: var(--color-primary-dim);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.work-grid--portfolio {
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}
@media (max-width: 900px) {
  .work-grid--portfolio {
    grid-template-columns: 1fr;
  }
}

.portfolio-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  min-height: 320px;
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
}
.portfolio-card--featured {
  grid-column: span 2;
  min-height: 380px;
}
@media (max-width: 900px) {
  .portfolio-card--featured {
    grid-column: span 1;
  }
}
.portfolio-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-primary);
}
.portfolio-card.is-hidden {
  display: none;
}
.portfolio-card__media {
  position: absolute;
  inset: 0;
}
.portfolio-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 500ms ease;
}
.portfolio-card:hover .portfolio-card__media img {
  transform: scale(1.03);
}
.portfolio-card__shade {
  position: absolute;
  inset: 0;
  background: var(--color-card-shade);
  pointer-events: none;
}
.portfolio-card__tag {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  z-index: 2;
}
.portfolio-card__body {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: var(--space-6);
}
.portfolio-card__title {
  font-family: var(--font-display);
  font-size: var(--h4);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-2);
}
.portfolio-card__desc {
  font-size: var(--small);
  color: var(--color-text-muted);
  line-height: 1.55;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 300ms ease, opacity 300ms ease, margin 300ms ease;
}
.portfolio-card:hover .portfolio-card__desc {
  max-height: 80px;
  opacity: 1;
  margin-bottom: var(--space-3);
}
.portfolio-card__cta {
  font-size: var(--small);
  font-weight: 700;
  color: var(--color-primary);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 200ms ease, transform 200ms ease;
}
.portfolio-card:hover .portfolio-card__cta {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Testimonials ---- */
.testimonials__track-wrap {
  margin-top: var(--space-10);
  overflow: visible;
}
.testimonials__track {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  min-height: 120px;
}
.testimonials__track:not(.testimonials__track--loaded) {
  opacity: 0.6;
}
.testimonials__track--loaded {
  opacity: 1;
}
/* Dynamic cards skip .reveal — always visible (fixes iOS + async load) */
.testimonial.is-visible {
  opacity: 1;
  transform: none;
}
@media (max-width: 900px) {
  .testimonials__track {
    display: flex;
    flex-direction: column;
    overflow: visible;
    gap: var(--space-4);
    padding-bottom: 0;
  }
  .testimonials__track .testimonial {
    flex: none;
    width: 100%;
    max-width: none;
  }
}
.testimonial__stars {
  display: flex;
  gap: 2px;
  margin-bottom: var(--space-4);
  color: var(--color-primary);
}
.testimonial__star {
  display: inline-flex;
  color: var(--color-primary);
}
.testimonial__star--dim {
  opacity: 0.28;
}
.testimonial__stars svg,
.testimonial__star svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}
.testimonials__pager {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-8);
  flex-wrap: wrap;
}
.testimonials__pager-status {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  min-width: 7rem;
  text-align: center;
}
.testimonials__pager .btn {
  font-size: var(--text-sm);
  padding: 0.55rem 1.1rem;
}
.testimonials__pager .btn:disabled {
  opacity: 0.4;
  pointer-events: none;
}
.testimonial__text {
  font-size: 1rem;
  font-style: italic;
}

/* ---- Process stepper desktop ---- */
@media (min-width: 901px) {
  .process__steps--horizontal {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
  }
  .process__steps--horizontal .process-step {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-4);
  }
  .process__steps--horizontal .process-step::after {
    display: none;
  }
  .process__steps--horizontal .process-step__number {
    margin-inline: auto;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-primary-dim);
    border-color: var(--color-primary);
  }
}
.process-checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.process-checklist li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--small);
  color: var(--color-text-muted);
  line-height: 1.5;
}
.process-checklist li::before {
  content: '✓';
  color: var(--color-primary);
  font-weight: 700;
  flex-shrink: 0;
}

/* ---- Contact split ---- */
.contact-split {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(var(--space-10), 5vw, var(--space-16));
  align-items: start;
}
@media (max-width: 900px) {
  .contact-split {
    grid-template-columns: 1fr;
  }
}
.contact-split__trust {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-top: var(--space-8);
}
.contact-trust-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}
.contact-trust-item__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--color-primary-dim);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-trust-item strong {
  display: block;
  font-size: var(--small);
  margin-bottom: var(--space-1);
}
.contact-trust-item span {
  font-size: var(--small);
  color: var(--color-text-muted);
  line-height: 1.5;
}
.contact-form-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}
.contact-form-panel .btn--primary {
  width: 100%;
  justify-content: center;
}
.contact-form-panel .form-secondary-cta {
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  text-align: center;
}
.contact-form-panel .form-secondary-cta p {
  font-size: var(--small);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

/* ---- Footer newsletter ---- */
.footer-newsletter {
  margin-top: var(--space-4);
}
.footer-newsletter__row {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-3);
}
.footer-newsletter__input {
  flex: 1;
  min-width: 0;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--small);
}
.footer-newsletter__input:focus {
  outline: none;
  border-color: var(--color-primary);
}
.footer-newsletter__btn {
  padding: var(--space-3) var(--space-4);
  background: var(--color-primary);
  color: var(--color-on-primary);
  border: none;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: var(--small);
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 200ms ease;
}
.footer-newsletter__btn:hover {
  opacity: 0.9;
}

.section__heading {
  font-size: var(--h2);
}

.section__label {
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
}

#site-header.is-scrolled .nav,
.nav.scrolled {
  background: var(--color-nav-scrolled);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}

/* Light mode: softer hero glow, readable portfolio overlays */
[data-theme='light'] .hero__particles {
  background-image: radial-gradient(circle at 20% 30%, rgba(0, 139, 119, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(0, 139, 119, 0.05) 0%, transparent 35%);
}

[data-theme='light'] .portfolio-card__title,
[data-theme='light'] .portfolio-card__desc,
[data-theme='light'] .portfolio-card__cta {
  color: #fff;
}

[data-theme='light'] .portfolio-card__desc {
  color: rgba(255, 255, 255, 0.88);
}

[data-theme='light'] .hero__card,
[data-theme='light'] .hero__floating-badge {
  box-shadow: var(--shadow-md);
}