/* ═══════════════════════════════════════════
   CĀTEDRA — Stylesheet
   ═══════════════════════════════════════════ */

/* ── Variables ─────────────────────────────── */
:root {
  --terra:   #7B3D25;
  --cream:   #F0E8D6;
  --dark:    #1A1816;
  --mid:     #8A7B6E;
  --light:   #E2D9CC;
  --white:   #FAFAF8;
  --font:    'Josefin Sans', sans-serif;
  --ease:    cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Reset ──────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font);
  font-weight: 300;
  color: var(--dark);
  background: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

button { cursor: pointer; border: none; background: none; font-family: var(--font); }


/* ═══════════════════════════════════════════
   HEADER
   ═══════════════════════════════════════════ */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.6rem 3rem;
  transition:
    background 0.5s var(--ease),
    padding    0.4s var(--ease),
    box-shadow 0.4s;
}

#header.scrolled {
  background: rgba(250, 250, 248, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(0,0,0,0.07);
  padding: 1.1rem 3rem;
}

/* Logo */
.nav-logo { display: flex; align-items: center; }

.logo-ca {
  font-size: 1.6rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--cream);
  transition: color 0.4s;
}

#header.scrolled .logo-ca { color: var(--terra); }

/* Nav links */
.nav-links {
  display: flex;
  gap: 2.5rem;
}

.nav-links a {
  font-size: 0.8rem;
  font-weight: 300;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(240, 232, 214, 0.8);
  position: relative;
  transition: color 0.3s;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 100%;
  height: 1px;
  background: currentColor;
  transition: right 0.35s var(--ease);
}

.nav-links a:hover { color: var(--cream); }
.nav-links a:hover::after { right: 0; }

#header.scrolled .nav-links a { color: var(--mid); }
#header.scrolled .nav-links a:hover { color: var(--terra); }

/* Right cluster: lang + hamburger */
.header-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

/* Lang switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.lang-btn {
  font-size: 0.75rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  color: rgba(240, 232, 214, 0.5);
  padding: 0.2rem 0;
  transition: color 0.3s;
  line-height: 1;
}

.lang-btn.active,
.lang-btn:hover { color: var(--cream); }

.lang-sep {
  color: rgba(240, 232, 214, 0.25);
  font-size: 0.6rem;
}

#header.scrolled .lang-btn { color: rgba(138, 123, 110, 0.6); }
#header.scrolled .lang-btn.active,
#header.scrolled .lang-btn:hover { color: var(--terra); }
#header.scrolled .lang-sep { color: rgba(138, 123, 110, 0.3); }

/* Hamburger (mobile) */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--cream);
  transition: background 0.3s, transform 0.3s, opacity 0.3s;
}

#header.scrolled .menu-toggle span { background: var(--dark); }

.menu-toggle.open span:first-child { transform: translateY(6px) rotate(45deg); }
.menu-toggle.open span:last-child  { transform: translateY(-6px) rotate(-45deg); }


/* ═══════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════ */
.hero {
  min-height: 100svh;
  background-color: var(--terra);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

/* Decorative large watermark */
.hero-bg-mark {
  position: absolute;
  font-size: 55vw;
  font-weight: 100;
  letter-spacing: -0.02em;
  color: rgba(240, 232, 214, 0.04);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -48%);
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
}

.hero-inner {
  text-align: center;
  color: var(--cream);
  padding: 2rem;
  position: relative;
  z-index: 1;
}

.hero-tagline {
  font-size: 0.8rem;
  font-weight: 300;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  margin-bottom: 1.8rem;
  color: rgba(240, 232, 214, 0.65);
  opacity: 0;
  transform: translateY(16px);
  animation: fadeUp 0.9s var(--ease-out) 0.3s forwards;
}

.hero-title {
  font-size: clamp(3.5rem, 11vw, 10rem);
  font-weight: 100;
  letter-spacing: 0.22em;
  line-height: 1;
  margin-bottom: 3rem;
  opacity: 0;
  transform: translateY(24px);
  animation: fadeUp 1s var(--ease-out) 0.6s forwards;
}

.hero-sub {
  font-size: 0.82rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(240, 232, 214, 0.55);
  margin-bottom: 3.5rem;
  opacity: 0;
  transform: translateY(16px);
  animation: fadeUp 0.9s var(--ease-out) 0.9s forwards;
}

/* CTA button shared styles */
.cta-btn {
  display: inline-block;
  font-family: var(--font);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  padding: 1rem 2.8rem;
  border: 1px solid var(--cream);
  color: var(--terra);
  background: var(--cream);
  transition: background 0.35s, color 0.35s;
}

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

.hero-cta {
  opacity: 0;
  animation: fadeUp 0.9s var(--ease-out) 1.2s forwards;
}

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 1.8s forwards;
}

.hero-scroll span {
  font-size: 0.55rem;
  font-weight: 300;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: rgba(240, 232, 214, 0.35);
}

.hero-scroll::after {
  content: '';
  width: 1px;
  height: 48px;
  background: rgba(240, 232, 214, 0.25);
  animation: scrollPulse 2.4s ease-in-out infinite 2.2s;
}

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

@keyframes scrollPulse {
  0%, 100% { opacity: 0.25; transform: scaleY(1); }
  50%       { opacity: 0.7;  transform: scaleY(1.15); }
}


/* ═══════════════════════════════════════════
   SECTIONS — shared
   ═══════════════════════════════════════════ */
.section {
  padding: 7rem 3rem;
}

.section-intro {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 4rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--light);
}

.section-label {
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--mid);
}

.eyebrow {
  display: block;
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--terra);
  margin-bottom: 1.2rem;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}


/* ═══════════════════════════════════════════
   FILTER BAR
   ═══════════════════════════════════════════ */
.filter-bar {
  display: flex;
  gap: 0.2rem;
  flex-wrap: wrap;
}

.filter-btn {
  font-size: 0.72rem;
  font-weight: 300;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mid);
  padding: 0.45rem 1.1rem;
  border: 1px solid transparent;
  transition: color 0.25s, border-color 0.25s;
}

.filter-btn.active,
.filter-btn:hover {
  color: var(--terra);
  border-color: var(--terra);
}


/* ═══════════════════════════════════════════
   PROJECTS GRID
   ═══════════════════════════════════════════ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.project-card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--light);
  cursor: pointer;
}

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out);
}

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

/* Hover overlay */
.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(26, 24, 22, 0.88) 0%,
    rgba(26, 24, 22, 0.12) 55%,
    transparent 100%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.6rem;
  opacity: 0;
  transition: opacity 0.45s var(--ease);
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-name {
  font-size: 1rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cream);
  transform: translateY(8px);
  transition: transform 0.4s var(--ease-out) 0.03s;
}

.project-card:hover .project-name {
  transform: translateY(0);
}

.project-meta {
  font-size: 0.7rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(240, 232, 214, 0.55);
  margin-top: 0.35rem;
  transform: translateY(8px);
  transition: transform 0.4s var(--ease-out) 0.08s;
}

.project-card:hover .project-meta {
  transform: translateY(0);
}

/* Staggered card reveal */
.project-card.reveal { aspect-ratio: 4/3; }


/* ═══════════════════════════════════════════
   ABOUT
   ═══════════════════════════════════════════ */
.about-section {
  background: var(--cream);
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 5rem;
  align-items: center;
}

.about-image img {
  width: 100%;
  height: 580px;
  object-fit: cover;
}

.about-heading {
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  font-weight: 300;
  letter-spacing: 0.06em;
  line-height: 1.35;
  color: var(--dark);
  margin-bottom: 1.8rem;
}

.about-body {
  margin-bottom: 2.5rem;
}

.about-body p {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--mid);
  font-weight: 300;
  margin-bottom: 1rem;
}

.about-body p:last-child { margin-bottom: 0; }

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--light);
  margin-top: 0.5rem;
}

.stat-num {
  display: block;
  font-size: 1.7rem;
  font-weight: 100;
  color: var(--terra);
  letter-spacing: 0.04em;
  line-height: 1;
}

.stat-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 300;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--mid);
  margin-top: 0.5rem;
}


/* ═══════════════════════════════════════════
   CONTACT
   ═══════════════════════════════════════════ */
.contact-section {
  background: var(--dark);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.contact-section .eyebrow {
  color: rgba(240, 232, 214, 0.4);
}

.contact-heading {
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  font-weight: 300;
  letter-spacing: 0.06em;
  line-height: 1.35;
  color: var(--cream);
  margin-bottom: 2.5rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
}

.contact-label {
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(240, 232, 214, 0.35);
  margin-bottom: 0.4rem;
}

.contact-item a,
.contact-item p {
  font-size: 0.96rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  color: rgba(240, 232, 214, 0.7);
  line-height: 1.7;
  transition: color 0.3s;
}

.contact-item a:hover { color: var(--cream); }

/* Form */
.form-group { margin-bottom: 1.8rem; }

.form-group label {
  display: block;
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(240, 232, 214, 0.35);
  margin-bottom: 0.6rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(240, 232, 214, 0.15);
  padding: 0.75rem 0;
  color: var(--cream);
  font-family: var(--font);
  font-size: 0.96rem;
  font-weight: 300;
  outline: none;
  transition: border-color 0.3s;
  resize: none;
  appearance: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: rgba(240, 232, 214, 0.55);
}

.submit-btn {
  background: var(--cream);
  color: var(--dark);
  border-color: var(--cream);
  opacity: 1;
  animation: none;
  margin-top: 0.5rem;
}

.submit-btn:hover {
  background: transparent;
  color: var(--cream);
  border-color: var(--cream);
}

.form-note {
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: rgba(240, 232, 214, 0.4);
  margin-top: 1rem;
  min-height: 1.2em;
  transition: color 0.3s;
}

.form-note.success { color: rgba(180, 220, 180, 0.8); }


/* ═══════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════ */
.footer {
  background: var(--dark);
  border-top: 1px solid rgba(240, 232, 214, 0.07);
  padding: 2.2rem 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-logo {
  font-size: 1.2rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: rgba(240, 232, 214, 0.45);
}

.footer-copy {
  font-size: 0.68rem;
  font-weight: 300;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(240, 232, 214, 0.25);
}

.footer-domain {
  font-size: 0.68rem;
  font-weight: 300;
  letter-spacing: 0.25em;
  color: rgba(240, 232, 214, 0.25);
  transition: color 0.3s;
}

.footer-domain:hover { color: rgba(240, 232, 214, 0.6); }


/* ═══════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════ */
@media (max-width: 1100px) {
  .projects-grid { grid-template-columns: repeat(2, 1fr); }

  .about-section {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .about-image img { height: 420px; }
}

@media (max-width: 768px) {
  #header { padding: 1.2rem 1.5rem; }
  #header.scrolled { padding: 1rem 1.5rem; }

  .nav-links {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--dark);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    z-index: 100;
  }

  .nav-links.open { display: flex; }

  .nav-links a {
    font-size: 1.1rem;
    font-weight: 100;
    letter-spacing: 0.3em;
    color: var(--cream);
  }

  .menu-toggle { display: flex; }

  .section { padding: 5rem 1.5rem; }

  .section-intro {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }

  .projects-grid { grid-template-columns: 1fr; gap: 1rem; }

  .project-overlay { opacity: 1; }
  .project-name, .project-meta { transform: none; }

  .about-image img { height: 280px; }

  .contact-section { grid-template-columns: 1fr; gap: 3rem; }

  .footer {
    flex-direction: column;
    gap: 0.8rem;
    text-align: center;
    padding: 2rem 1.5rem;
  }
}

@media (max-width: 480px) {
  .hero-title { letter-spacing: 0.12em; }
  .hero-bg-mark { font-size: 80vw; }
  .about-stats { grid-template-columns: repeat(3, 1fr); gap: 1rem; }
}