/* ===================================================
   PAUL — Premium Portfolio CSS
   Dark blue · Glassmorphism · Glow · Animated Blobs
   =================================================== */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap');

/* ──────────────────────────────────────────
   CSS VARIABLES
────────────────────────────────────────── */
:root {
  --bg-deep:      #07091e;
  --bg-base:      #0a0f2c;
  --bg-mid:       #0b1020;
  --blue:         #3b82f6;
  --blue-light:   #60a5fa;
  --violet:       #8b5cf6;
  --violet-light: #a78bfa;
  --white:        #ffffff;
  --white-dim:    rgba(255,255,255,0.75);
  --white-muted:  rgba(255,255,255,0.45);
  --white-ghost:  rgba(255,255,255,0.08);
  --glass-bg:     rgba(255,255,255,0.055);
  --glass-border: rgba(255,255,255,0.10);
  --glow-blue:    rgba(59,130,246,0.45);
  --glow-violet:  rgba(139,92,246,0.45);
  --radius-card:  20px;
  --ease-out:     cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring:  cubic-bezier(0.34, 1.56, 0.64, 1);
}


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

html { scroll-behavior: smooth; }

body {
  background: var(--bg-base);
  color: var(--white);
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }

/* ──────────────────────────────────────────
   SCROLLBAR
────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--violet), var(--blue));
  border-radius: 3px;
}

/* ──────────────────────────────────────────
   ANIMATED BACKGROUND BLOBS
────────────────────────────────────────── */
.blob-container {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.22;
  will-change: transform;
}

.blob-1 {
  width: 700px; height: 700px;
  background: radial-gradient(circle, #3b82f6, transparent 70%);
  top: -15%; left: -10%;
  animation: blobFloat1 18s ease-in-out infinite;
}

.blob-2 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #8b5cf6, transparent 70%);
  top: 10%; right: -12%;
  animation: blobFloat2 22s ease-in-out infinite;
}

.blob-3 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #3b82f6, #8b5cf6, transparent 70%);
  bottom: 15%; left: 20%;
  animation: blobFloat3 26s ease-in-out infinite;
}

.blob-4 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #a78bfa, transparent 70%);
  bottom: -5%; right: 10%;
  animation: blobFloat4 20s ease-in-out infinite;
}

@keyframes blobFloat1 {
  0%,100% { transform: translate(0,0) scale(1); }
  33%     { transform: translate(60px,-40px) scale(1.08); }
  66%     { transform: translate(-30px, 50px) scale(0.95); }
}
@keyframes blobFloat2 {
  0%,100% { transform: translate(0,0) scale(1); }
  33%     { transform: translate(-50px, 60px) scale(1.06); }
  66%     { transform: translate(40px,-30px) scale(0.97); }
}
@keyframes blobFloat3 {
  0%,100% { transform: translate(0,0) scale(1); }
  50%     { transform: translate(70px,-60px) scale(1.1); }
}
@keyframes blobFloat4 {
  0%,100% { transform: translate(0,0) scale(1); }
  40%     { transform: translate(-40px, 40px) scale(1.05); }
  80%     { transform: translate(30px,-20px) scale(0.92); }
}

/* Star / noise grain overlay */
.grain-overlay {
  position: fixed;
  inset: 0;
  z-index: 1;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.028;
  pointer-events: none;
}

/* ──────────────────────────────────────────
   LAYOUT WRAPPER
────────────────────────────────────────── */
.site-wrapper {
  position: relative;
  z-index: 2;
}

/* ──────────────────────────────────────────
   NAVIGATION
────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 clamp(20px, 5vw, 64px);
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: transparent;
  transition: background 0.4s var(--ease-out), backdrop-filter 0.4s, border-color 0.4s;
  border-bottom: 1px solid transparent;
}

.navbar.scrolled {
  background: rgba(10, 15, 44, 0.72);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border-color: var(--glass-border);
}

/* Active navbar link */
.nav-active {
  color: var(--white) !important;
}
.nav-active::after {
  right: 0 !important;
  background: linear-gradient(90deg, var(--accent-a), var(--accent-b)) !important;
  box-shadow: 0 0 8px var(--glow-accent) !important;
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    list-style: none;
    padding: 10px 0;
    margin: 0;
    min-width: 180px;

    background: rgba(20,20,20,0.95);
    backdrop-filter: blur(12px);

    border-radius: 12px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);

    transition: all 0.25s ease;
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: 10px 16px;
    text-decoration: none;
    color: white;
}

.dropdown-menu a:hover {
    background: rgba(255,255,255,0.08);
}
.mobile-dropdown {
    width: 100%;
}

.mobile-dropdown-btn {
    width: 100%;
    background: none;
    border: none;
    color: white;
    font-size: inherit;
    padding: 16px;
    text-align: left;

    display: flex;
    justify-content: space-between;
    align-items: center;

    cursor: pointer;
}

.mobile-dropdown-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding-left: 20px;
}

.mobile-dropdown-content a {
    display: block;
    padding: 12px 16px;
}
/* Beim Hover anzeigen */
.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  color: var(--white);
  transition: opacity 0.2s;
}
.nav-logo:hover { opacity: 0.8; }

.logo-dot {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--violet));
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0;
  box-shadow: 0 0 12px var(--glow-blue);
  flex-shrink: 0;
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.92rem;
  font-weight: 400;
  color: var(--white-dim);
  position: relative;
  padding-bottom: 3px;
  transition: color 0.25s;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 100%;
  height: 1.5px;
  background: linear-gradient(90deg, var(--blue), var(--violet));
  border-radius: 2px;
  transition: right 0.3s var(--ease-out),
              box-shadow 0.3s;
}

.nav-links a:hover {
  color: var(--white);
}
.nav-links a:hover::after {
  right: 0;
  box-shadow: 0 0 8px var(--glow-violet);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.35s var(--ease-out), opacity 0.25s;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav overlay */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 68px 0 0 0;
  z-index: 99;
  background: rgba(10, 15, 44, 0.96);
  backdrop-filter: blur(24px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 40px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s var(--ease-out);
}
.mobile-nav.open {
  opacity: 1;
  pointer-events: all;
}
.mobile-nav a {
  font-family: 'Syne', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--white-dim);
  transition: color 0.2s;
}
.mobile-nav a:hover { color: var(--white); }

/* ──────────────────────────────────────────
   HERO SECTION
────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px clamp(20px, 6vw, 80px) 80px;
  position: relative;
}

/* Radial glow behind hero text */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 45%,
    rgba(59,130,246,0.12) 0%,
    rgba(139,92,246,0.08) 40%,
    transparent 70%);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 100px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--white-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 36px;
  animation: fadeSlideUp 0.7s var(--ease-out) 0.1s both;
}
.hero-badge .dot-pulse {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--blue-light);
  box-shadow: 0 0 8px var(--glow-blue);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity:1; transform:scale(1); }
  50%     { opacity:0.4; transform:scale(0.7); }
}

.hero-title {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(2.6rem, 7vw, 5.2rem);
  line-height: 1.07;
  letter-spacing: -0.03em;
  max-width: 860px;
  animation: fadeSlideUp 0.7s var(--ease-out) 0.2s both;
}

.hero-title .gradient-word {
  background: linear-gradient(135deg, var(--blue-light) 0%, var(--violet-light) 60%, #c4b5fd 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  margin-top: 28px;
  max-width: 660px;
  font-size: clamp(1rem, 2.2vw, 1.125rem);
  font-weight: 300;
  color: var(--white-muted);
  line-height: 1.75;
  animation: fadeSlideUp 0.7s var(--ease-out) 0.35s both;
}

.hero-caption {
  margin-top: 18px;
  max-width: 580px;
  font-size: 0.95rem;
  color: rgba(255,255,255,0.3);
  font-style: italic;
  animation: fadeSlideUp 0.7s var(--ease-out) 0.45s both;
}

.hero-buttons {
  margin-top: 48px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  animation: fadeSlideUp 0.7s var(--ease-out) 0.55s both;
}

/* Primary button */
.btn-primary {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 100px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--white);
  background: linear-gradient(135deg, var(--blue) 0%, var(--violet) 100%);
  border: none;
  cursor: pointer;
  overflow: hidden;
  transition: transform 0.35s var(--ease-spring),
              box-shadow 0.35s;
  box-shadow: 0 4px 24px rgba(59,130,246,0.3),
              0 1px 0 rgba(255,255,255,0.15) inset;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--violet) 0%, var(--blue) 100%);
  opacity: 0;
  transition: opacity 0.4s;
}
.btn-primary:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 8px 40px var(--glow-violet),
              0 0 0 1px rgba(139,92,246,0.4);
}
.btn-primary:hover::before { opacity: 1; }
.btn-primary span { position: relative; z-index: 1; }

/* Secondary / ghost button */
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 100px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--white-dim);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(8px);
  cursor: pointer;
  transition: transform 0.35s var(--ease-spring),
              border-color 0.3s,
              color 0.3s,
              box-shadow 0.35s;
}
.btn-secondary:hover {
  transform: translateY(-2px);
  color: var(--white);
  border-color: rgba(139,92,246,0.4);
  box-shadow: 0 4px 24px var(--glow-violet);
}

/* Scroll indicator */
.scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--white-muted);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: fadeSlideUp 0.7s var(--ease-out) 0.8s both;
}
.scroll-hint .scroll-arrow {
  width: 20px; height: 32px;
  border: 1.5px solid var(--glass-border);
  border-radius: 12px;
  display: grid;
  place-items: start center;
  padding-top: 6px;
}
.scroll-hint .scroll-dot {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--blue-light);
  animation: scrollDot 2s ease-in-out infinite;
}
@keyframes scrollDot {
  0%   { transform: translateY(0); opacity: 1; }
  80%  { transform: translateY(14px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

/* ──────────────────────────────────────────
   SECTION SHARED
────────────────────────────────────────── */
.section {
  padding: clamp(60px, 10vw, 120px) clamp(20px, 5vw, 80px);
  position: relative;
}

.section-label {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--violet-light);
  margin-bottom: 14px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
.section-title {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
  max-width: 500px;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease-out) 0.1s, transform 0.6s var(--ease-out) 0.1s;
}
.section-title .accent {
  background: linear-gradient(90deg, var(--blue-light), var(--violet-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-header {
  margin-bottom: clamp(36px, 6vw, 64px);
}
.section-header.visible .section-label,
.section-header.visible .section-title {
  opacity: 1;
  transform: none;
}

/* Horizontal separator line in section-header */
.section-line {
  width: 48px; height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--violet));
  border-radius: 2px;
  margin-top: 20px;
  opacity: 0;
  transform: scaleX(0);
  transform-origin: left;
  transition: opacity 0.5s 0.3s, transform 0.5s var(--ease-out) 0.3s;
}
.section-header.visible .section-line {
  opacity: 1;
  transform: scaleX(1);
}

/* ──────────────────────────────────────────
   PROJECTS GRID
────────────────────────────────────────── */
.projects-section { max-width: 1400px; margin: 0 auto; }

.projects-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(3, 220px);
}

/* Card base */
.project-card {
  position: relative;
  border-radius: var(--radius-card);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.45s var(--ease-out),
              box-shadow 0.45s var(--ease-out),
              border-color 0.45s;
  opacity: 0;
  transform: translateY(30px);
}
.project-card.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Shimmer light sweep */
.project-card::before {
  content: '';
  position: absolute;
  top: -60%;
  left: -60%;
  width: 60%;
  height: 200%;
  background: linear-gradient(105deg,
    transparent 20%,
    rgba(255,255,255,0.055) 50%,
    transparent 80%);
  transform: skewX(-15deg);
  transition: left 0.6s var(--ease-out);
  pointer-events: none;
  z-index: 2;
}
.project-card:hover::before {
  left: 130%;
}

.project-card:hover {
  transform: translateY(-6px) scale(1.015);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4),
              0 0 0 1px rgba(139,92,246,0.35),
              0 0 40px rgba(139,92,246,0.15);
  border-color: rgba(139,92,246,0.3);
}

/* Grid placements */
.card-large   { grid-column: span 2; grid-row: span 2; }
.card-tall    { grid-column: span 1; grid-row: span 2; }
.card-wide    { grid-column: span 2; grid-row: span 1; }
.card-regular { grid-column: span 1; grid-row: span 1; }

/* Card inner layout */
.card-inner {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
}

/* Card background color accent */
.card-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.card-c1 .card-bg { background: linear-gradient(135deg, rgba(59,130,246,0.18) 0%, rgba(139,92,246,0.22) 100%); }
.card-c2 .card-bg { background: linear-gradient(150deg, rgba(139,92,246,0.15) 0%, rgba(59,130,246,0.10) 100%); }
.card-c3 .card-bg { background: linear-gradient(120deg, rgba(59,130,246,0.12) 0%, rgba(167,139,250,0.18) 100%); }
.card-c4 .card-bg { background: linear-gradient(135deg, rgba(96,165,250,0.12) 0%, rgba(139,92,246,0.14) 100%); }
.card-c5 .card-bg { background: linear-gradient(160deg, rgba(167,139,250,0.18) 0%, rgba(59,130,246,0.10) 100%); }
.card-c6 .card-bg { background: linear-gradient(110deg, rgba(59,130,246,0.16) 0%, rgba(139,92,246,0.20) 100%); }
.card-c7 .card-bg { background: linear-gradient(140deg, rgba(139,92,246,0.20) 0%, rgba(59,130,246,0.12) 100%); }

/* Decorative orb in each card */
.card-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(50px);
  opacity: 0.35;
  z-index: 0;
  pointer-events: none;
  transition: opacity 0.45s, transform 0.45s var(--ease-out);
}
.project-card:hover .card-orb { opacity: 0.55; transform: scale(1.2); }

.card-c1 .card-orb { width: 200px; height: 200px; background: var(--blue);   top: -20%; right: -10%; }
.card-c2 .card-orb { width: 160px; height: 160px; background: var(--violet); bottom: -15%; left: -10%; }
.card-c3 .card-orb { width: 140px; height: 140px; background: var(--blue);   top: 10%; right: 5%; }
.card-c4 .card-orb { width: 130px; height: 130px; background: var(--violet); bottom: 5%; right: -10%; }
.card-c5 .card-orb { width: 150px; height: 150px; background: var(--blue-light); top: -10%; left: 20%; }
.card-c6 .card-orb { width: 140px; height: 140px; background: var(--violet); bottom: -10%; left: 10%; }
.card-c7 .card-orb { width: 120px; height: 120px; background: var(--blue);   top: 20%; right: 10%; }

/* Card content */
.card-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 100px;
  border: 1px solid var(--glass-border);
  background: rgba(255,255,255,0.07);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white-muted);
  margin-bottom: 10px;
  width: fit-content;
}

.card-title {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: clamp(1.05rem, 2.5vw, 1.35rem);
  line-height: 1.25;
  color: var(--white);
  transition: color 0.3s;
  margin-bottom: 8px;
}
.project-card:hover .card-title { color: var(--white); }

.card-desc {
  font-size: 0.83rem;
  color: var(--white-muted);
  line-height: 1.55;
  display: none;
  transition: color 0.3s;
}
.card-large .card-desc,
.card-wide  .card-desc {
  display: block;
}
.project-card:hover .card-desc { color: var(--white-dim); }

/* Card arrow */
.card-arrow {
  position: absolute;
  top: 20px; right: 20px;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--glass-border);
  display: grid;
  place-items: center;
  opacity: 0;
  transform: translate(-4px, 4px);
  transition: opacity 0.35s, transform 0.35s var(--ease-out),
              background 0.3s, box-shadow 0.3s;
  z-index: 3;
}
.project-card:hover .card-arrow {
  opacity: 1;
  transform: translate(0,0);
  background: linear-gradient(135deg, var(--blue), var(--violet));
  box-shadow: 0 0 16px var(--glow-violet);
}
.card-arrow svg { width: 14px; height: 14px; }

/* ──────────────────────────────────────────
   FOOTER
────────────────────────────────────────── */
.footer {
  padding: 48px clamp(20px, 5vw, 80px);
  border-top: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  background: rgba(7,9,30,0.6);
  backdrop-filter: blur(8px);
}
.footer-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  background: linear-gradient(90deg, var(--blue-light), var(--violet-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.footer-text {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.25);
}

/* ──────────────────────────────────────────
   FADE-IN ANIMATION HELPERS
────────────────────────────────────────── */
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Staggered card animation delays */
.project-card:nth-child(1)  { transition-delay: 0.05s; }
.project-card:nth-child(2)  { transition-delay: 0.12s; }
.project-card:nth-child(3)  { transition-delay: 0.19s; }
.project-card:nth-child(4)  { transition-delay: 0.26s; }
.project-card:nth-child(5)  { transition-delay: 0.33s; }
.project-card:nth-child(6)  { transition-delay: 0.40s; }
.project-card:nth-child(7)  { transition-delay: 0.47s; }

/* ──────────────────────────────────────────
   RESPONSIVE
────────────────────────────────────────── */

/* Tablet */
@media (max-width: 1024px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: auto;
  }
  .card-large   { grid-column: span 2; grid-row: span 1; }
  .card-tall    { grid-column: span 1; grid-row: span 1; }
  .card-wide    { grid-column: span 2; grid-row: span 1; }
  .card-regular { grid-column: span 1; grid-row: span 1; }
}

/* Mobile */
@media (max-width: 700px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .mobile-nav { display: flex; }

  .hero-title { font-size: clamp(2rem, 9vw, 3.2rem); }

  .projects-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    gap: 14px;
  }
  .card-large, .card-tall, .card-wide, .card-regular {
    grid-column: span 1;
    grid-row: span 1;
    min-height: 180px;
  }
  .card-desc { display: none !important; }

  .footer { flex-direction: column; text-align: center; }
}

@media (max-width: 400px) {
  .hero-buttons { flex-direction: column; align-items: center; }
  .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
}

.nav-active {
  color: var(--white) !important;
}
.nav-active::after {
  right: 0 !important;
  background: linear-gradient(90deg, var(--accent-a), var(--accent-b)) !important;
  box-shadow: 0 0 8px var(--glow-accent) !important;
}

.mobile-dropdown-btn {
    width: 100%;

    background: transparent;
    border: none;
    outline: none;

    color: inherit;
    font: inherit;

    padding: 0;
    margin: 0;

    display: flex;
    align-items: center;
    justify-content: center; /* oder flex-start */

    gap: 8px;

    cursor: pointer;
}