/* ============================================
   LAYOUT — Major page sections
   ============================================ */

/* ---- HEADER ---- */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: var(--z-header);
  padding: 1.2rem var(--page-gutter);
  display: flex;
  justify-content: space-between;
  align-items: center;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: var(--c-glass);
  border-bottom: 1px solid var(--c-glass-border);
}

.logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--c-text-strong);
}
.logo span { color: var(--c-accent-light); }

nav { display: flex; gap: 2.5rem; }

nav a {
  font-family: var(--font-body);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-text-dim);
  text-decoration: none;
  transition: color 0.4s;
  position: relative;
}
nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--c-accent);
  transition: width 0.4s var(--ease-out);
}
nav a:hover { color: var(--c-text-strong); }
nav a:hover::after { width: 100%; }

/* ---- HERO ---- */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: flex-end;
  padding: 0 var(--page-gutter) 6rem;
  z-index: var(--z-content);
}
.hero-content {
  max-width: 800px;
}

/* ── Hero Logo 3D ── */
.hero-logo-3d {
  perspective: 800px;
  position: absolute;
  top: 5rem;
  left: var(--page-gutter);
  width: fit-content;
}
.hero-logo-img {
  display: block;
  height: clamp(40px, 7.5vw, 90px);
  width: auto;
  transform: rotateY(0deg) rotateX(0deg);
  filter: drop-shadow(0 8px 24px var(--c-logo-shadow1))
          drop-shadow(0 2px 6px var(--c-logo-shadow2));
  will-change: transform;
}

.hero-spacer {
  height: 150vh;
  position: relative;
  z-index: var(--z-content);
  pointer-events: none;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 7rem);
  font-weight: 400;
  line-height: 0.95;
  color: var(--c-text-strong);
  margin-bottom: 2rem;
}
.hero h1 .line { display: block; overflow: hidden; padding-bottom: 0.15em; }
.hero h1 .line-inner { display: block; }
.hero h1 em {
  font-family: var(--font-heading);
  font-style: italic;
  font-weight: 300;
  color: var(--c-accent-light);
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  right: var(--page-gutter);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
  opacity: 0;
}
.hero-scroll span {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-text-strong);
  writing-mode: vertical-rl;
  background: linear-gradient(to bottom, var(--c-accent) 0%, var(--c-text-strong) 40%, var(--c-text-strong) 100%);
  background-size: 100% 300%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: scrollTextPulse 2s ease-in-out infinite;
}
.scroll-line {
  width: 1px;
  height: 60px;
  background: var(--c-line);
  position: relative;
  overflow: hidden;
}
.scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--c-accent);
  animation: scrollPulse 2s ease-in-out infinite;
}

/* ---- MARQUEE ---- */
.marquee-section {
  position: relative;
  z-index: var(--z-content);
  padding: 2rem 0;
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  overflow: hidden;
}
.marquee-track {
  display: flex;
  gap: 3rem;
  animation: marquee 25s linear infinite;
  width: max-content;
}
.marquee-item {
  font-family: var(--font-heading);
  font-size: clamp(1.2rem, 3vw, 2rem);
  font-weight: 300;
  color: var(--c-text-dim);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 3rem;
}
.marquee-item::after {
  content: '◆';
  font-size: 0.5rem;
  color: var(--c-accent);
}

/* ---- ABOUT ---- */
.about {
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: var(--c-glass);
  border-top: 1px solid var(--c-glass-border);
  border-bottom: 1px solid var(--c-glass-border);
  padding-top: clamp(1.5rem, 3vw, 3rem);
  padding-bottom: clamp(1.5rem, 3vw, 3rem);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.about-text p {
  font-size: 1rem;
  color: var(--c-text-dim);
  margin-bottom: 1.5rem;
  max-width: 500px;
}
.about-text p.lead {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--c-text);
  line-height: 1.6;
}
.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 3rem;
}
.stat { border-left: 1px solid var(--c-line); padding-left: 1.5rem; }
.stat-number {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--c-accent);
  line-height: 1;
  margin-bottom: 0.3rem;
}
.stat-label {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-text-dim);
}

/* ---- PROJECTS ---- */
.projects {
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: var(--c-glass);
  border-top: 1px solid var(--c-glass-border);
  border-bottom: 1px solid var(--c-glass-border);
  padding-top: clamp(1.6rem, 4vw, 4rem);
}

.projects-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  margin-top: 4rem;
}
.project-card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
}
.project-card:nth-child(2) { aspect-ratio: 3/4; }
.project-card:nth-child(3) { aspect-ratio: 3/4; }
.project-card:nth-child(4) { aspect-ratio: 4/3; }

.project-visual {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}
img.project-visual {
  position: absolute;
  inset: 0;
  object-fit: cover;
}
.project-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, var(--c-grad-solid) 0%, var(--c-grad-mid) 50%, transparent);
  z-index: var(--z-content);
}
.project-info {
  position: absolute;
  bottom: 0;
  left: 0;
  padding: 2rem;
  z-index: var(--z-local);
}
.project-category {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 0.5rem;
}
.project-name {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--c-text-strong);
}
.project-desc {
  font-size: 0.8rem;
  color: var(--c-text);
  margin-top: 0.5rem;
  line-height: 1.5;
  max-width: 360px;
}
.project-location {
  font-size: 0.8rem;
  color: var(--c-text-dim);
  margin-top: 0.3rem;
}

/* ---- QUOTE ---- */
.quote-section {
  text-align: center;
  padding: clamp(6rem, 15vw, 14rem) var(--page-gutter);
  position: relative;
  overflow: hidden;
}
.quote-bg-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-size: clamp(8rem, 25vw, 20rem);
  color: var(--c-quote-ghost);
  white-space: nowrap;
  pointer-events: none;
}
.quote-text {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3.5vw, 3rem);
  font-weight: 300;
  font-style: italic;
  color: var(--c-text);
  line-height: 1.5;
  max-width: 800px;
  margin: 0 auto 2rem;
  position: relative;
}
.quote-text::before {
  content: '"';
  font-family: var(--font-display);
  font-size: 6rem;
  color: var(--c-accent);
  position: absolute;
  top: -2rem;
  left: -1rem;
  line-height: 1;
  opacity: 0.3;
}
.quote-author {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-accent);
}

/* ---- CONTACT ---- */
.contact {
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: var(--c-glass);
  border-top: 1px solid var(--c-glass-border);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}
.contact-cta {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.contact-info h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--c-text-strong);
  margin-bottom: 1rem;
}
.contact-info p,
.contact-info a {
  font-size: 0.85rem;
  color: var(--c-text-dim);
  text-decoration: none;
  line-height: 2;
  display: block;
}
.contact-info a:hover { color: var(--c-accent); }

/* Contact form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.9rem 1.2rem;
  background: var(--c-input-bg);
  border: 1px solid var(--c-line);
  border-radius: 4px;
  color: var(--c-text-strong);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 300;
  letter-spacing: 0.02em;
  transition: border-color 0.3s, background 0.3s;
  outline: none;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--c-text-dim);
  opacity: 0.7;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--c-accent);
  background: var(--c-input-focus);
}

.contact-form textarea {
  resize: vertical;
  min-height: 100px;
}

.contact-submit {
  align-self: flex-start;
  padding: 0.8rem 2rem;
  background: transparent;
  border: 1px solid var(--c-accent) !important;
  color: var(--c-accent);
  font-family: var(--font-body);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.3s, color 0.3s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.contact-submit:hover {
  background: var(--c-accent);
  color: var(--c-bg);
}

.contact-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.contact-status {
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  min-height: 1.2em;
}

.contact-status.success {
  color: #7ec87e;
}

.contact-status.error {
  color: #e07070;
}

.cta-link {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  color: var(--c-text-strong);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  transition: color 0.4s;
}
.cta-link:hover { color: var(--c-accent); }
.cta-link .arrow {
  display: inline-block;
  width: 50px;
  height: 1px;
  background: var(--c-accent);
  position: relative;
  transition: width 0.4s var(--ease-out);
}
.cta-link:hover .arrow { width: 80px; }
.cta-link .arrow::after {
  content: '';
  position: absolute;
  right: 0;
  top: -4px;
  width: 8px;
  height: 8px;
  border-right: 1px solid var(--c-accent);
  border-top: 1px solid var(--c-accent);
  transform: rotate(45deg);
}

/* ---- FOOTER ---- */
footer {
  position: relative;
  z-index: var(--z-content);
  padding: 2rem var(--page-gutter);
  border-top: 1px solid var(--c-line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--c-bg);
}
footer p {
  font-size: 0.7rem;
  color: var(--c-text-dim);
  letter-spacing: 0.05em;
}