/* ===== mahlersilvan fotografiert — clean rebuild ===== */

@font-face { font-family: 'Roboto'; src: url('fonts/Roboto-Thin.ttf') format('truetype'); font-weight: 100; font-style: normal; font-display: swap; }
@font-face { font-family: 'Roboto'; src: url('fonts/Roboto-Light.ttf') format('truetype'); font-weight: 300; font-style: normal; font-display: swap; }
@font-face { font-family: 'Roboto'; src: url('fonts/Roboto-Regular.ttf') format('truetype'); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: 'Roboto'; src: url('fonts/Roboto-Medium.ttf') format('truetype'); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: 'Roboto'; src: url('fonts/Roboto-SemiBold.ttf') format('truetype'); font-weight: 600; font-style: normal; font-display: swap; }
@font-face { font-family: 'Roboto'; src: url('fonts/Roboto-Bold.ttf') format('truetype'); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: 'Roboto'; src: url('fonts/Roboto-Italic.ttf') format('truetype'); font-weight: 400; font-style: italic; font-display: swap; }

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

:root {
  --white: #ffffff;
  --black: #1a1a1a;
  --gray-light: #f5f5f5;
  --gray-mid: #888;
  --gray-border: #e0e0e0;
  --accent: #1a1a1a;
  --header-height: 64px;
  --font: 'Roboto', 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

html { font-size: 16px; }

body {
  font-family: var(--font);
  color: var(--black);
  background: var(--white);
  line-height: 1.5;
}

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

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

/* ===== HEADER ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid var(--gray-border);
  height: var(--header-height);
}

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-title {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.site-title a:hover { opacity: 0.7; }

.header-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.header-nav a {
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.04em;
  transition: opacity 0.2s;
}

.header-nav a:hover { opacity: 0.6; }

.header-nav a.active { font-weight: 600; }

.nav-news-btn {
  display: inline-flex;
  align-items: center;
  background: linear-gradient(135deg, #ff6b9d 0%, #4fc3f7 100%);
  color: white !important;
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.nav-news-btn:hover {
  transform: scale(1.04);
  box-shadow: 0 4px 16px rgba(255, 107, 157, 0.35);
  opacity: 1 !important;
}

/* Mobile burger */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.burger span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--black);
  transition: all 0.3s;
}

/* Mobile nav overlay */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  top: var(--header-height);
  background: var(--white);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
}

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

.mobile-nav a {
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 0.04em;
}

/* ===== VIDEO HERO ===== */
.video-hero {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  max-height: 80vh;
  overflow: hidden;
  background: #1a1a1a;
}

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

.video-hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-hero-content {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.hero-logo {
  width: 180px;
  max-width: 30vw;
  height: auto;
  display: block;
  filter: drop-shadow(0 2px 12px rgba(0,0,0,0.3));
}

.video-hero-tagline {
  color: rgba(255,255,255,0.92);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0;
}

/* ===== INTRO BLOCK ===== */
.intro-block {
  max-width: 1400px;
  margin: 0 auto;
  padding: 48px 24px 32px;
}

.intro-title {
  font-size: 28px;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--black);
  margin-bottom: 16px;
}

.intro-text {
  font-size: 15px;
  font-weight: 300;
  line-height: 1.7;
  color: #444;
  max-width: 760px;
}

@media (max-width: 640px) {
  .intro-block { padding: 32px 16px 20px; }
  .intro-title { font-size: 22px; }
}

/* ===== HERO / TAGLINE ===== */
.page-hero {
  padding: 40px 24px 20px;
  max-width: 1400px;
  margin: 0 auto;
}

.page-hero h1 {
  font-size: 13px;
  font-weight: 400;
  color: var(--gray-mid);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ===== FILTER BAR ===== */
.filter-bar {
  max-width: 1400px;
  margin: 0 auto;
  padding: 8px 24px 20px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.filter-btn {
  background: none;
  border: 1px solid var(--gray-border);
  border-radius: 100px;
  padding: 5px 14px;
  font-size: 12px;
  font-family: var(--font);
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: all 0.2s;
  color: var(--gray-mid);
}

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

/* ===== PORTFOLIO GRID ===== */
.portfolio-grid {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 16px 60px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  background: var(--gray-light);
  cursor: pointer;
  transition: opacity 0.3s;
}

.portfolio-item.hidden { display: none; }

.portfolio-item-thumb {
  aspect-ratio: 1;
  overflow: hidden;
}

.portfolio-item-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.portfolio-item:hover .portfolio-item-thumb img {
  transform: scale(1.04);
}

/* Hover overlay with title */
.portfolio-item-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 16px;
  text-align: center;
  transition: background 0.3s ease;
}

.portfolio-item:hover .portfolio-item-overlay {
  background: rgba(0,0,0,0.45);
}

.overlay-title {
  color: white;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.3s ease;
}

.overlay-cat {
  color: rgba(255,255,255,0.8);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 4px;
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.3s ease 0.04s;
}

.portfolio-item:hover .overlay-title,
.portfolio-item:hover .overlay-cat {
  opacity: 1;
  transform: translateY(0);
}

/* Below-image caption (visible always on mobile) */
.portfolio-item-caption {
  padding: 10px 12px 12px;
}

.portfolio-item-caption .item-title {
  font-size: 13px;
  font-weight: 500;
  line-height: 1.3;
}

.portfolio-item-caption .item-cat {
  font-size: 11px;
  color: var(--gray-mid);
  margin-top: 2px;
  letter-spacing: 0.04em;
}

/* ===== PROJECT / GALLERY PAGE ===== */
.page-header {
  max-width: 1400px;
  margin: 0 auto;
  padding: 36px 24px 20px;
}

.page-header .back-link {
  font-size: 12px;
  color: var(--gray-mid);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 20px;
  transition: color 0.2s;
}

.page-header .back-link:hover { color: var(--black); }

.page-header h1 {
  font-size: 28px;
  font-weight: 400;
  letter-spacing: -0.01em;
}

.page-header .page-cat {
  font-size: 12px;
  color: var(--gray-mid);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 6px;
}

/* Gallery grid on project pages */
.gallery-grid {
  max-width: 1400px;
  margin: 0 auto;
  padding: 8px 16px 60px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}

.gallery-item {
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--gray-light);
  cursor: zoom-in;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.gallery-item:hover img { transform: scale(1.03); }

/* ===== LIGHTBOX ===== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(0,0,0,0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.lightbox.active {
  opacity: 1;
  pointer-events: all;
}

.lightbox-img-wrap {
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  user-select: none;
}

.lb-btn {
  position: absolute;
  background: none;
  border: none;
  color: rgba(255,255,255,0.75);
  font-size: 28px;
  cursor: pointer;
  padding: 16px;
  transition: color 0.2s;
  line-height: 1;
  user-select: none;
}

.lb-btn:hover { color: white; }

.lb-close { top: 16px; right: 20px; font-size: 26px; }
.lb-prev { left: 8px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 8px; top: 50%; transform: translateY(-50%); }

.lb-counter {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.6);
  font-size: 12px;
  letter-spacing: 0.06em;
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--gray-light);
  border-top: 1px solid var(--gray-border);
  padding: 48px 24px 36px;
}

.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.footer-brand h3 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
}

.footer-brand p {
  font-size: 13px;
  color: var(--gray-mid);
  line-height: 1.6;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border: 1px solid var(--gray-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  font-size: 13px;
}

.footer-social a:hover {
  background: var(--black);
  border-color: var(--black);
  color: var(--white);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  justify-content: flex-end;
  text-align: right;
}

.footer-links a {
  font-size: 13px;
  color: var(--gray-mid);
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--black); }

.footer-copy {
  max-width: 1400px;
  margin: 24px auto 0;
  padding-top: 20px;
  border-top: 1px solid var(--gray-border);
  font-size: 11px;
  color: var(--gray-mid);
  letter-spacing: 0.04em;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .portfolio-grid,
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .portfolio-grid,
  .gallery-grid {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .header-nav { display: none; }
  .burger { display: flex; }

  .page-hero { padding: 24px 16px 12px; }
  .filter-bar { padding: 8px 16px 16px; }

  .footer-inner { grid-template-columns: 1fr; }
  .footer-links { text-align: left; }

  .overlay-title, .overlay-cat { opacity: 1; transform: none; }
  .portfolio-item-overlay { background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 50%); align-items: flex-start; justify-content: flex-end; }

  .page-header h1 { font-size: 22px; }
}