/* ============================================================
   BASE.CSS — Shared resets, layout, component structure
   Theme colours are injected by dark.css / minimal.css via
   CSS custom properties on :root.
   ============================================================ */

/* --- Google Fonts are imported in each HTML <head> --- */

/* ============================================================
   1. RESET
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

html {
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color 0.3s ease, color 0.3s ease;
}

img { display: block; max-width: 100%; }
a  { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* Skip-to-content link (accessibility + screen readers only) */
.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  z-index: 9999;
}
.skip-link:focus {
  position: fixed;
  top: 1rem;
  left: 1rem;
  width: auto;
  height: auto;
  overflow: visible;
  padding: 0.6rem 1.2rem;
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
}

/* ============================================================
   2. SHARED DESIGN TOKENS (theme-neutral)
   ============================================================ */
:root {
  --font-display:   'Bebas Neue', sans-serif;
  --font-heading:   'Barlow Condensed', sans-serif;
  --font-body:      'Barlow', sans-serif;

  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  2rem;
  --space-lg:  4rem;
  --space-xl:  8rem;

  --radius-sm: 4px;
  --radius-md: 8px;

  --transition: 0.25s ease;
  --transition-slow: 0.5s ease;

  --nav-height: 72px;
  --container-max: 1200px;
  --container-pad: clamp(1.25rem, 5vw, 3rem);
}

/* ============================================================
   3. LAYOUT
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section {
  padding-block: var(--space-xl);
}

/* ============================================================
   4. TYPOGRAPHY
   ============================================================ */
.section__label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--color-text);
}

.section__header {
  margin-bottom: var(--space-lg);
}

/* ============================================================
   5. BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  cursor: pointer;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-btn-text);
  border: 2px solid var(--color-accent);
}
.btn--primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border: 2px solid var(--color-border);
}
.btn--ghost:hover {
  border-color: var(--color-text);
  transform: translateY(-2px);
}

.btn--full { width: 100%; justify-content: center; }

/* ============================================================
   6. NAVIGATION
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}

.nav__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-lg);
  padding-block: 1.25rem;
}

.nav__logo {
  display: flex;
  justify-content: center;
  align-items: center;
}

.nav__logo-img {
  height: 52px;
  width: auto;
}

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

.nav__links--left  { justify-content: flex-end; }
.nav__links--right { justify-content: flex-start; }

.nav__link {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--transition);
  position: relative;
  white-space: nowrap;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  right: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}

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

.nav__theme-switch {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}
.nav__theme-switch:hover {
  background: var(--color-accent);
  color: var(--color-btn-text);
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}
.nav__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav drawer */
.nav__drawer {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  transform: translateY(-110%);
  transition: transform var(--transition-slow);
  z-index: 99;
}
.nav__drawer.open { transform: translateY(0); }
.nav__drawer .nav__link { font-size: 1.1rem; padding: 0.5rem 0; }
.nav__drawer .nav__theme-switch { align-self: flex-start; margin-top: var(--space-xs); }

/* ============================================================
   7. QUICK NAV
   ============================================================ */
.quicknav {
  position: sticky;
  top: 0;
  z-index: 90;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
}

.quicknav__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  padding: 1rem var(--space-md);
  border-right: 1px solid var(--color-border);
  transition: background var(--transition), color var(--transition);
  text-align: center;
}
.quicknav__item:last-child { border-right: none; }

.quicknav__num {
  font-family: var(--font-heading);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  transition: color var(--transition);
}

.quicknav__label {
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text);
  transition: color var(--transition);
}

.quicknav__item:hover,
.quicknav__item.active                  { background: var(--color-accent); }
.quicknav__item:hover .quicknav__num,
.quicknav__item.active .quicknav__num   { color: rgba(255,255,255,0.7); }
.quicknav__item:hover .quicknav__label,
.quicknav__item.active .quicknav__label { color: #ffffff; }

@media (max-width: 600px) {
  .quicknav { grid-template-columns: repeat(2, 1fr); }
  .quicknav__item:nth-child(2) { border-right: none; }
  .quicknav__item:nth-child(1),
  .quicknav__item:nth-child(2) { border-bottom: 1px solid var(--color-border); }
}

/* ============================================================
   8. HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: var(--color-hero-bg);
  z-index: 0;
}

/* Decorative diagonal accent line */
.hero__bg::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-accent) 40%, transparent);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 780px;
  padding-block: var(--space-xl);
}

.hero__pre {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 10vw, 7.5rem);
  line-height: 0.95;
  letter-spacing: 0.02em;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.hero__sub {
  font-family: var(--font-body);
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-weight: 300;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
  max-width: 480px;
}

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

/* Scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero__scroll span {
  display: block;
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); transform-origin: top; }
  50%       { opacity: 1;   transform: scaleY(1);   transform-origin: top; }
}

/* ============================================================
   8. ABOUT
   ============================================================ */
.about {
  background: var(--color-bg-secondary);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.about__lead {
  font-family: var(--font-heading);
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.about__text p:not(.about__lead) {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.about__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-md) var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
}

.stat__number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat__label {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* ============================================================
   9. SERVICES
   ============================================================ */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: var(--space-lg);
}

.service-card {
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition);
}
.service-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.service-card__num {
  font-family: var(--font-display);
  font-size: 3.5rem;
  line-height: 1;
  color: var(--color-accent);
  opacity: 0.15;
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  transition: opacity var(--transition);
}
.service-card:hover .service-card__num { opacity: 0.3; }

.service-card__title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
  line-height: 1.3;
}

.service-card__desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.services__cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
}

.services__cta p {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

/* ============================================================
   10. GALLERY
   ============================================================ */
.gallery {
  background: var(--color-bg-secondary);
}

.gallery__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: 280px 280px;
  gap: 12px;
}

.gallery__item {
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-slow);
  position: relative;
}
.gallery__item:hover { transform: scale(1.02) rotate(0deg) !important; z-index: 2; }

/* Collage overlap effect */
.gallery__item:nth-child(2) { transform: rotate(-1.5deg); }
.gallery__item:nth-child(3) { transform: rotate(1deg);    }
.gallery__item:nth-child(5) { transform: rotate(0.8deg);  }
.gallery__item:nth-child(6) { transform: rotate(-1deg);   }

/* Large item spans 2 columns */
.gallery__item--large { grid-column: span 2; }

.gallery__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Placeholder (shown when no image is provided) */
.gallery__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  color: var(--color-text-muted);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-sm);
}

.gallery__placeholder::before {
  content: '';
  display: block;
  width: 36px;
  height: 36px;
  background: var(--color-border);
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.5'%3E%3Cpath d='M23 19a2 2 0 0 1-2 2H3a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h4l2-3h6l2 3h4a2 2 0 0 1 2 2z'/%3E%3Ccircle cx='12' cy='13' r='4'/%3E%3C/svg%3E");
  mask-size: contain;
  mask-repeat: no-repeat;
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.5'%3E%3Cpath d='M23 19a2 2 0 0 1-2 2H3a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h4l2-3h6l2 3h4a2 2 0 0 1 2 2z'/%3E%3Ccircle cx='12' cy='13' r='4'/%3E%3C/svg%3E");
  -webkit-mask-size: contain;
  -webkit-mask-repeat: no-repeat;
}

/* ============================================================
   11. CONTACT
   ============================================================ */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-xl);
  align-items: start;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact__item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}
.contact__item:last-child { border-bottom: none; }

.contact__label {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.contact__value {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-text);
  transition: color var(--transition);
}
a.contact__value:hover { color: var(--color-accent); }

.contact__value--soon {
  color: var(--color-text-muted);
  font-style: italic;
}

/* Form */
.contact__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form__label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.form__input {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition);
  appearance: none;
}
.form__input::placeholder { color: var(--color-text-muted); opacity: 0.6; }
.form__input:focus { border-color: var(--color-accent); }

.form__textarea {
  min-height: 140px;
  resize: vertical;
}

.form__note {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  opacity: 0.6;
}

.form__success {
  display: none;
  padding: var(--space-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-accent);
  text-align: center;
}

/* ============================================================
   12. FOOTER
   ============================================================ */
.footer {
  padding-block: var(--space-lg);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
}

.footer__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-md);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer__logo {
  height: 90px;
  width: auto;
}

.footer__copy {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.footer__links {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.footer__link {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--transition);
}
.footer__link:hover { color: var(--color-accent); }

/* ============================================================
   13. SCROLL ANIMATIONS
   ============================================================ */
.animate-fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.animate-fade-up.delay-1 { transition-delay: 0.1s; }
.animate-fade-up.delay-2 { transition-delay: 0.2s; }
.animate-fade-up.delay-3 { transition-delay: 0.3s; }

.animate-fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Hero animations fire immediately */
.hero .animate-fade-up {
  animation: fadeUp 0.8s ease forwards;
}
.hero .animate-fade-up.delay-1 { animation-delay: 0.15s; }
.hero .animate-fade-up.delay-2 { animation-delay: 0.3s;  }
.hero .animate-fade-up.delay-3 { animation-delay: 0.45s; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0);    }
}

/* ============================================================
   14. RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .nav__inner {
    grid-template-columns: 1fr auto 1fr;
  }
  .nav__links,
  .nav__theme-switch { display: none; }
  .nav__hamburger    { display: flex; justify-self: end; }

  .about__grid       { grid-template-columns: 1fr; }
  .about__stats      { grid-template-columns: repeat(3, 1fr); }

  .services__grid    { grid-template-columns: repeat(2, 1fr); }

  .services__cta {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }

  .gallery__grid {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: 220px 220px 220px;
  }
  .gallery__item--large { grid-column: span 2; }

  .contact__grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .services__grid { grid-template-columns: 1fr; }

  .gallery__grid {
    grid-template-columns: 1fr;
    grid-template-rows: repeat(6, 200px);
  }
  .gallery__item--large { grid-column: span 1; }
  .gallery__item:nth-child(n) { transform: none !important; }

  .footer__top { flex-direction: column; align-items: flex-start; }
  .footer__links { flex-wrap: wrap; }

  .about__stats { grid-template-columns: 1fr; }
}
