/* =========================================================
   COMPONENTS
   ========================================================= */

/* ---------- Header ---------- */
.header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: background var(--transition-interactive), border-color var(--transition-interactive), transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.header--scrolled { border-bottom-color: var(--color-divider); }

.header__inner {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding: var(--space-4) var(--space-6);
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-6);
}
@media (min-width: 768px) { .header__inner { padding: var(--space-4) var(--space-10); } }

.logo { display: flex; align-items: center; gap: var(--space-3); color: var(--color-text); }
.logo svg { width: 32px; height: 32px; color: var(--color-primary); }
.logo__word {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1;
}
.logo__word small {
  display: block;
  font-family: var(--font-body);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.nav { display: none; gap: var(--space-6); align-items: center; }
@media (min-width: 1024px) { .nav { display: flex; } }

.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  position: relative;
}
.nav__link:hover, .nav__link--active { color: var(--color-text); }
.nav__link::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -6px;
  height: 2px; background: var(--color-accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--transition-interactive);
}
.nav__link:hover::after, .nav__link--active::after { transform: scaleX(1); }

.header__actions { display: flex; align-items: center; gap: var(--space-3); }

.theme-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: var(--radius-full);
  color: var(--color-text-muted);
}
.theme-toggle:hover { color: var(--color-text); background: var(--color-surface-offset); }

.nav-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: var(--radius-full);
  color: var(--color-text);
}
@media (min-width: 1024px) { .nav-toggle { display: none; } }

/* Mobile nav overlay */
.mobile-nav {
  position: fixed; inset: 0;
  background: var(--color-bg);
  z-index: 40;
  padding: var(--space-24) var(--space-8) var(--space-8);
  display: flex; flex-direction: column; gap: var(--space-4);
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.mobile-nav[data-open="true"] { transform: translateX(0); }
.mobile-nav a {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--color-divider);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: min(92vh, 900px);
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-block: var(--space-20) var(--space-16);
}
@media (max-height: 820px) {
  .hero { min-height: auto; padding-block: var(--space-16) var(--space-12); }
}

.hero__bg {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, #0a2428 0%, #1B474D 50%, #0f2e32 100%);
  z-index: -2;
}
.hero__bg::after {
  content: ''; position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(245,197,24,0.08), transparent 60%),
    radial-gradient(circle at 80% 70%, rgba(96,166,171,0.15), transparent 60%);
  opacity: 1;
}

/* Subtle architectural grid overlay */
.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
  z-index: -1;
}

.hero__content {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
  color: #f7f6f2;
  width: 100%;
}
@media (min-width: 768px) { .hero__content { padding-inline: var(--space-10); } }

.hero__eyebrow {
  display: inline-flex; align-items: center; gap: var(--space-3);
  font-size: var(--text-xs); font-weight: 600;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-6);
}
.hero__eyebrow::before { content:''; width:32px; height:1px; background: var(--color-accent); }

.hero__headline {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 1rem + 4.5vw, 5.5rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  color: #fff;
  line-height: 1.0;
  max-width: 16ch;
  margin-bottom: var(--space-6);
}
.hero__headline em {
  font-style: italic;
  color: var(--color-accent);
  font-weight: 400;
}

.hero__sub {
  font-size: var(--text-lg);
  max-width: 48ch;
  color: rgba(247,246,242,0.78);
  margin-bottom: var(--space-10);
}

.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-4); }

.hero__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(247,246,242,0.14);
  max-width: 800px;
}
@media (min-width: 768px) { .hero__stats { grid-template-columns: repeat(4, 1fr); } }
.hero__stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: var(--space-1);
  letter-spacing: -0.02em;
}
.hero__stat span {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(247,246,242,0.6);
}

/* ---------- Section headings ---------- */
.section-head { max-width: 720px; margin-bottom: var(--space-16); }
.section-head__title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
}
.section-head__sub {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 56ch;
}

/* ---------- About ---------- */
.about {
  background: var(--color-surface);
  border-block: 1px solid var(--color-divider);
}
.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
}
@media (min-width: 900px) {
  .about__grid { grid-template-columns: 1fr 1.1fr; gap: var(--space-20); }
}
.about__lede {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text);
  line-height: 1.25;
  letter-spacing: -0.01em;
  max-width: 22ch;
  font-weight: 500;
}
.about__body p + p { margin-top: var(--space-4); }
.about__values {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-10);
  padding-top: var(--space-10);
  border-top: 1px solid var(--color-divider);
}
@media (min-width: 600px) { .about__values { grid-template-columns: repeat(3, 1fr); } }
.about__value strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-primary);
  margin-bottom: var(--space-1);
  font-weight: 500;
}
[data-theme="dark"] .about__value strong { color: var(--color-accent); }
.about__value span {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ---------- Disciplines grid (What we do) ---------- */
.disciplines {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
@media (min-width: 700px)  { .disciplines { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .disciplines { grid-template-columns: repeat(4, 1fr); } }

.discipline {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: all var(--transition-interactive);
  position: relative;
  overflow: hidden;
}
.discipline::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 60%, var(--color-accent-soft));
  opacity: 0; transition: opacity var(--transition-interactive);
}
.discipline:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--color-primary); }
.discipline:hover::before { opacity: 1; }
.discipline > * { position: relative; z-index: 1; }

.discipline__num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-bottom: var(--space-6);
}
.discipline__title {
  font-size: var(--text-lg);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  font-weight: 500;
}
[data-theme="dark"] .discipline__title { color: var(--color-accent); }
.discipline__list {
  list-style: none;
  display: flex; flex-direction: column; gap: var(--space-2);
}
.discipline__list li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding-left: var(--space-4);
  position: relative;
}
.discipline__list li::before {
  content: ''; position: absolute; left: 0; top: 0.65em;
  width: 6px; height: 1px; background: var(--color-accent);
}

/* ---------- Sectors strip ---------- */
.sectors {
  display: flex; flex-wrap: wrap; gap: var(--space-3);
  margin-top: var(--space-10);
}
.sector {
  padding: var(--space-2) var(--space-4);
  background: var(--color-surface-offset);
  color: var(--color-text);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  border: 1px solid var(--color-divider);
}

/* ---------- Pricing cards ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
@media (min-width: 800px) { .pricing-grid { grid-template-columns: repeat(4, 1fr); } }

.price {
  padding: var(--space-8);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}
.price__name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-primary);
  margin-bottom: var(--space-3);
  font-weight: 500;
}
[data-theme="dark"] .price__name { color: var(--color-accent); }
.price__desc { font-size: var(--text-sm); color: var(--color-text-muted); }

/* ---------- Projects ---------- */
.projects {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
@media (min-width: 700px)  { .projects { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .projects { grid-template-columns: repeat(3, 1fr); } }

.project {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-interactive);
}
.project:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.project__img {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #1B474D, #0a2428);
  position: relative;
  overflow: hidden;
}
.project__img img { width: 100%; height: 100%; object-fit: cover; }
.project__body { padding: var(--space-6); }
.project__tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}
[data-theme="light"] .project__tag { color: var(--color-primary); }
.project__title {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
  font-weight: 500;
  font-family: var(--font-display);
}
.project__desc { font-size: var(--text-sm); color: var(--color-text-muted); }

/* Featured Solstice card — spans 2 cols */
.project--feature {
  grid-column: span 1;
  background: #0a2428;
  color: #fff;
  border-color: transparent;
}
@media (min-width: 700px) { .project--feature { grid-column: span 2; } }
@media (min-width: 1000px) { .project--feature { grid-column: span 2; grid-row: span 1; } }

.project--feature .project__body { padding: var(--space-8); }
.project--feature .project__title { color: #fff; font-size: var(--text-xl); }
.project--feature .project__desc { color: rgba(255,255,255,0.7); }
.project--feature .project__tag { color: var(--color-accent); }
.project--feature .project__img { aspect-ratio: 16/9; }

/* ---------- Testimonial ---------- */
.testimonial {
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-16) var(--space-8);
  border-radius: var(--radius-xl);
  text-align: center;
  margin-top: var(--space-16);
}
.testimonial__quote {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-style: italic;
  max-width: 32ch;
  margin-inline: auto;
  line-height: 1.35;
  color: #fff;
}
.testimonial__attr {
  font-size: var(--text-sm);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-top: var(--space-6);
}

/* ---------- Team ---------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-12);
}
@media (min-width: 800px) { .team-grid { grid-template-columns: repeat(4, 1fr); } }
.teammate {
  text-align: left;
}
.teammate__avatar {
  width: 100%; aspect-ratio: 4/5;
  background: var(--color-surface-offset);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  margin-bottom: var(--space-3);
}
.teammate__avatar::after {
  content: ''; position: absolute; inset: auto 0 0 0; height: 30%;
  background: linear-gradient(to top, rgba(0,0,0,0.4), transparent);
}
.teammate__avatar svg { width: 100%; height: 100%; }
.teammate__name {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text);
}
.teammate__role {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}
@media (min-width: 900px) {
  .contact-grid { grid-template-columns: 1fr 1fr; gap: var(--space-16); padding: var(--space-16); }
}
.contact__detail { font-size: var(--text-sm); color: var(--color-text-muted); margin-bottom: var(--space-6); }
.contact__detail strong {
  display: block;
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-2);
  font-weight: 600;
}
.contact__detail a { color: var(--color-text); border-bottom: 1px solid transparent; }
.contact__detail a:hover { border-bottom-color: var(--color-accent); color: var(--color-primary); }
[data-theme="dark"] .contact__detail a:hover { color: var(--color-accent); }

.contact-form { display: flex; flex-direction: column; gap: var(--space-4); }
.field { display: flex; flex-direction: column; gap: var(--space-2); }
.field label {
  font-size: var(--text-xs); font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--color-text-muted);
}
.field input, .field textarea, .field select {
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  font-family: inherit; font-size: var(--text-base);
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-highlight);
}

/* ---------- Footer ---------- */
.footer {
  background: #0a2428;
  color: rgba(255,255,255,0.7);
  padding-block: var(--space-20) var(--space-10);
}
.footer a { color: rgba(255,255,255,0.85); }
.footer a:hover { color: var(--color-accent); }
.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  padding-bottom: var(--space-16);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
@media (min-width: 700px) { .footer__grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }
.footer__brand .logo { color: #fff; }
.footer__brand .logo svg { color: var(--color-accent); }
.footer__brand p {
  font-size: var(--text-sm);
  margin-top: var(--space-4);
  max-width: 36ch;
}
.footer__heading {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: var(--space-4);
  font-weight: 600;
}
.footer__list { list-style: none; display: flex; flex-direction: column; gap: var(--space-2); }
.footer__list a { font-size: var(--text-sm); }
.footer__bottom {
  margin-top: var(--space-8);
  display: flex; flex-wrap: wrap; gap: var(--space-4);
  justify-content: space-between;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.5);
}

/* ---------- Certifications ---------- */
.certs {
  display: flex; flex-wrap: wrap; gap: var(--space-3);
  justify-content: center;
  margin-top: var(--space-6);
}
.cert {
  padding: var(--space-3) var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  color: var(--color-text);
}

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }