/* ===== PST Smart Solutions Holding — Design System ===== */

:root {
  /* PST Brand Colors */
  --pst-orange: #ff8908;
  --pst-orange-light: #ff9f35;
  --pst-orange-dark: #e07600;
  --pst-blue: #0854a5;
  --pst-blue-dark: #063d7a;
  --pst-blue-light: #0a6bc7;

  /* Holding Premium Palette */
  --navy: #0a0f1c;
  --navy-2: #111827;
  --navy-3: #0d1526;
  --dark-card: #141b2d;
  --dark-card-hover: #1a2340;
  --navy-4: #2a3555;

  /* Neutrals */
  --white: #ffffff;
  --light: #f5f5f7;
  --border: #1e2a42;
  --text-muted: #919197;
  --text-body: #b0b3bc;
  --text-dark: #212127;

  /* Spacing */
  --section-padding: 100px 0;
  --container-width: 1200px;

  /* Transitions */
  --transition: all 0.3s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--navy);
  color: var(--text-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--pst-orange); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--pst-orange-light); }

::selection { background: rgba(8, 84, 165, 0.4); color: var(--white); }

/* ===== FOCUS STATES ===== */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--pst-orange);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ===== CONTAINER ===== */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  color: var(--white);
  font-weight: 700;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 3.2rem); margin-bottom: 24px; }
h2 { font-size: clamp(1.6rem, 4vw, 2.4rem); margin-bottom: 20px; }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.4rem); margin-bottom: 12px; }

.section-label {
  display: inline-block;
  color: var(--pst-orange);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 12px;
}

.lead {
  font-size: 1.15rem;
  color: var(--text-body);
  max-width: 700px;
  line-height: 1.8;
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
  background: transparent;
}

.header.scrolled {
  background: rgba(10, 15, 28, 0.95);
  backdrop-filter: blur(20px);
  padding: 10px 0;
  box-shadow: 0 2px 30px rgba(0, 0, 0, 0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-text {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.2;
}

.logo-text span {
  display: block;
  font-size: 0.6rem;
  font-weight: 400;
  color: var(--text-muted);
  text-transform: none;
  letter-spacing: 0.02em;
}

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

.nav a {
  color: var(--text-body);
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  position: relative;
  text-decoration: none;
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--brand-primary);  /* SSH-Blau, passt zum Holding-Logo */
  transition: var(--transition);
}

.nav a:hover { color: var(--white); }
.nav a:hover::after, .nav a.active::after { width: 100%; }
.nav a.active { color: var(--white); }

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: var(--transition);
}

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

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10, 15, 28, 0.92) 0%, rgba(8, 84, 165, 0.6) 50%, rgba(10, 15, 28, 0.85) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 750px;
}

.hero h1 {
  font-size: clamp(2.2rem, 5.5vw, 3.8rem);
  margin-bottom: 20px;
  line-height: 1.1;
}

.hero .lead {
  font-size: 1.2rem;
  margin-bottom: 40px;
  color: rgba(255, 255, 255, 0.8);
}

.hero-accent {
  color: var(--pst-orange);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--pst-orange);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--pst-orange-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 137, 8, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
  border-color: var(--pst-orange);
  color: var(--pst-orange);
}

.btn-blue {
  background: var(--pst-blue);
  color: var(--white);
}

.btn-blue:hover {
  background: var(--pst-blue-light);
  color: var(--white);
  transform: translateY(-2px);
}

/* ===== SECTIONS ===== */
section { padding: var(--section-padding); }

.section-dark { background: var(--navy); }
.section-darker { background: var(--navy-2); }
.section-blue { background: linear-gradient(135deg, var(--pst-blue-dark) 0%, var(--pst-blue) 100%); }

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header .lead {
  margin: 0 auto;
}

/* ===== STATS BAR ===== */
.stats-bar {
  background: var(--navy-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 50px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--pst-orange);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ===== CARDS ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.card {
  background: var(--dark-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-6px);
  border-color: var(--pst-blue);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.card-image {
  height: 220px;
  background-size: cover;
  background-position: center;
  position: relative;
}

.card-image::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60%;
  background: linear-gradient(transparent, var(--dark-card));
}

.card-body { padding: 28px; }

.card-body .category {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--pst-orange);
  margin-bottom: 10px;
}

.card-body h3 { font-size: 1.2rem; margin-bottom: 12px; }
.card-body p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.7; }

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--pst-blue-light);
}

.card-link:hover { color: var(--pst-orange); }
.card-link::after { content: '→'; transition: var(--transition); }
.card-link:hover::after { transform: translateX(4px); }

/* ===== STRUCTURE DIAGRAM ===== */
.structure-box {
  background: var(--dark-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 50px;
  text-align: center;
}

.structure-holding {
  display: inline-block;
  background: linear-gradient(135deg, var(--pst-blue), var(--pst-blue-dark));
  color: var(--white);
  padding: 20px 40px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 30px;
}

.structure-line {
  width: 2px;
  height: 40px;
  background: var(--pst-orange);
  margin: 0 auto;
}

.structure-branches {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 30px;
  flex-wrap: wrap;
}

.structure-child {
  background: var(--navy);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px 30px;
  min-width: 220px;
  transition: var(--transition);
}

.structure-child:hover {
  border-color: var(--pst-orange);
}

.structure-child h4 {
  font-size: 0.9rem;
  margin-bottom: 4px;
  text-transform: none;
}

.structure-child p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.structure-child a {
  display: block;
  margin-top: 8px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ===== SPLIT SECTION ===== */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.split-image {
  border-radius: 8px;
  overflow: hidden;
  height: 400px;
  background-size: cover;
  background-position: center;
  border: 1px solid var(--border);
}

.split-content .lead { max-width: 100%; }

/* ===== SERVICES / HOLDING LEISTUNGEN ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.service-item {
  background: var(--dark-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 36px 28px;
  transition: var(--transition);
  text-align: center;
}

.service-item:hover {
  border-color: var(--pst-blue);
  transform: translateY(-4px);
}

.service-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--pst-blue), var(--pst-blue-dark));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.service-item h3 { font-size: 1rem; }

/* ===== TEAM / MANAGEMENT ===== */
.team-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  max-width: 800px;
  margin: 0 auto;
}

.team-card {
  background: var(--dark-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  text-align: center;
  transition: var(--transition);
}

.team-card:hover {
  border-color: var(--pst-blue);
  transform: translateY(-4px);
}

.team-photo {
  width: 100%;
  height: 320px;
  object-fit: cover;
  object-position: top;
}

.team-info { padding: 24px; }
.team-info h3 { font-size: 1.1rem; margin-bottom: 4px; text-transform: none; }
.team-info .role {
  font-size: 0.8rem;
  color: var(--pst-orange);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ===== CTA BANNER ===== */
.cta-banner {
  background: linear-gradient(135deg, var(--pst-blue-dark) 0%, var(--pst-blue) 100%);
  padding: 80px 0;
  text-align: center;
}

.cta-banner h2 { margin-bottom: 16px; }
.cta-banner p { color: rgba(255, 255, 255, 0.7); margin-bottom: 30px; }

/* ===== FOOTER ===== */
.footer {
  background: var(--navy-3);
  border-top: 1px solid var(--border);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer h4 {
  font-size: 0.85rem;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.footer p, .footer a {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 2;
}

.footer a:hover { color: var(--pst-orange); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.footer-links { display: flex; gap: 24px; }

/* ===== LANGUAGE SWITCHER ===== */
.lang-switcher {
  position: relative;
  margin-left: 16px;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.lang-btn:hover { color: var(--white); border-color: var(--pst-orange); }

.lang-btn .flag { font-size: 1rem; line-height: 1; }

.lang-btn .chevron {
  width: 10px;
  height: 10px;
  transition: transform 0.2s ease;
}

.lang-btn.open .chevron { transform: rotate(180deg); }

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 150px;
  background: var(--navy-3);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: all 0.2s ease;
  z-index: 1100;
  overflow: hidden;
}

.lang-dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-dropdown a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: all 0.15s ease;
}

.lang-dropdown a:hover { background: rgba(255, 255, 255, 0.05); color: var(--white); }

.lang-dropdown a.active {
  color: var(--pst-orange);
  font-weight: 600;
}

.lang-dropdown a .flag { font-size: 1rem; }

.lang-dropdown a .check {
  margin-left: auto;
  font-size: 0.7rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
  .cards-grid, .services-grid { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .split-image { height: 300px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav { display: none; }
  .nav.active {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 0;
    background: rgba(10, 15, 28, 0.98);
    padding: 100px 40px;
    gap: 24px;
    z-index: 999;
  }
  .nav.active a { font-size: 1.2rem; }
  .nav-toggle { display: flex; z-index: 1001; }
  .lang-switcher { margin-left: 0; position: absolute; top: 16px; right: 60px; }
  .cards-grid, .services-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; max-width: 400px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .structure-branches { flex-direction: column; align-items: center; }
  h1 { font-size: 1.8rem; }
  section { padding: 60px 0; }
}

/* === Logo Image (Brief-Variante) === */
.logo-img {
  height: 34px;
  width: auto;
  display: block;
}
.logo { margin-right: 2.5rem; }
@media (max-width: 768px) {
  .logo-img { height: 30px; }
  .logo { margin-right: 1rem; }
}

/* ============================================================
 * Phase E 2026 — State-of-the-Art Polish-Layer
 * Brand-agnostisch über CSS-Variablen (--brand-primary etc.)
 * ============================================================ */

:root {
  /* SSH-Holding nutzt Blau als Akzent */
  --brand-primary:       #0854a5;
  --brand-primary-light: #1a7fe0;
  --brand-primary-dark:  #06407e;
}

/* === Reveal-Animation === */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.22,1,0.36,1), transform 0.7s cubic-bezier(0.22,1,0.36,1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }
.reveal-delay-5 { transition-delay: 0.40s; }
.reveal-delay-6 { transition-delay: 0.48s; }

/* === Brand-Divider (wächst beim Scroll-Reveal) === */
.brand-divider {
  width: 48px;
  height: 3px;
  background: var(--brand-primary);
  margin: 0 auto;
  transform-origin: left;
}

/* === Premium-CTA-Button === */
.cta-premium {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(180deg, var(--brand-primary-light) 0%, var(--brand-primary) 55%, var(--brand-primary-dark) 100%);
  color: #fff;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 18px 35px 16px;
  border: 1px solid rgba(160, 200, 255, 0.35);
  text-decoration: none;
  cursor: pointer;
  position: relative;
  isolation: isolate;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.30),
    inset 0 -1px 0 rgba(0,0,0,0.15),
    0 4px 14px -4px rgba(8, 84, 165, 0.55),
    0 1px 2px rgba(0,0,0,0.12);
  transition: transform 0.4s cubic-bezier(0.22,1,0.36,1), box-shadow 0.35s ease, filter 0.35s ease;
}
.cta-premium::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.18) 0%, rgba(255,255,255,0) 50%);
  pointer-events: none; z-index: -1;
}
.cta-premium:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.35),
    0 14px 36px -10px rgba(8, 84, 165, 0.65);
}
.cta-premium .arrow,
.cta-premium svg {
  transition: transform 0.4s cubic-bezier(0.22,1,0.36,1);
}
.cta-premium:hover .arrow,
.cta-premium:hover svg { transform: translateX(6px); }

.cta-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  border: 1px solid rgba(255,255,255,0.25);
  color: #fff;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  text-decoration: none;
  transition: border-color 0.35s ease, background-color 0.35s ease, box-shadow 0.4s ease;
}
.cta-secondary:hover {
  border-color: rgba(8, 84, 165, 0.55);
  background: rgba(8, 84, 165, 0.05);
  box-shadow: 0 0 24px -8px rgba(8, 84, 165, 0.35), inset 0 0 0 1px rgba(8, 84, 165, 0.15);
}

/* === Hero Marker (Underline-Reveal) === */
.hero-marker { position: relative; display: inline-block; }
.hero-marker::after {
  content: ''; position: absolute;
  left: 0; right: 0; bottom: 0.08em;
  height: 0.14em;
  background: rgba(8, 84, 165, 0.32);
  border-radius: 1px;
  transform-origin: left; transform: scaleX(0);
  animation: markerReveal 1.1s 1.4s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  pointer-events: none; z-index: -1;
}
@keyframes markerReveal { to { transform: scaleX(1); } }

/* === Custom Cursor === */
.pst-cursor {
  position: fixed; top: 0; left: 0;
  width: 28px; height: 28px;
  border: 1.5px solid rgba(8, 84, 165, 0.5);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  opacity: 0;
  will-change: transform;
  transition: width 0.28s ease, height 0.28s ease, border-color 0.28s ease, background-color 0.28s ease, opacity 0.3s ease;
}
.pst-cursor.is-visible { opacity: 1; }
.pst-cursor.is-hover {
  width: 56px; height: 56px;
  border-color: rgba(8, 84, 165, 0.85);
  background-color: rgba(8, 84, 165, 0.06);
}
.pst-cursor.is-pressed {
  width: 22px; height: 22px;
  background-color: rgba(8, 84, 165, 0.18);
}
@media (hover: none), (prefers-reduced-motion: reduce) {
  .pst-cursor { display: none !important; }
}

/* === 404 Glitch Easter-Egg === */
.glitch-404 {
  display: inline-block;
  position: relative;
  text-shadow: 0 0 24px rgba(8, 84, 165, 0.35);
  letter-spacing: -0.04em;
  cursor: pointer;
  user-select: none;
}
.glitch-404.is-glitching { animation: glitchShake 0.32s steps(2) infinite; }
@keyframes glitchShake {
  0%,100% { transform: translate(0,0); }
  20% { transform: translate(-1px, 1px); }
  40% { transform: translate(1px, -1px); }
  60% { transform: translate(-1px, -1px); }
  80% { transform: translate(1px, 1px); }
}

/* === Reduced-Motion === */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1 !important; transform: none !important; }
  .brand-divider { transform: scaleX(1) !important; }
  .hero-marker::after { animation: none; transform: scaleX(1); }
  .glitch-404.is-glitching { animation: none; }
}

/* === Existierende Button-Klassen auf Phase-E-Premium-Style heben === */
.btn-primary, .btn-blue {
  position: relative;
  isolation: isolate;
  background: linear-gradient(180deg, var(--brand-primary-light) 0%, var(--brand-primary) 55%, var(--brand-primary-dark) 100%) !important;
  border: 1px solid rgba(160, 200, 255, 0.35);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.30),
    inset 0 -1px 0 rgba(0, 0, 0, 0.15),
    0 4px 14px -4px rgba(8, 84, 165, 0.55),
    0 1px 2px rgba(0, 0, 0, 0.12);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.35s ease, filter 0.35s ease;
}
.btn-primary::before, .btn-blue::before {
  content: ''; position: absolute; inset: 0; pointer-events: none; z-index: -1;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.18) 0%, rgba(255, 255, 255, 0) 50%);
}
.btn-primary:hover, .btn-blue:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.35),
    0 14px 36px -10px rgba(8, 84, 165, 0.65);
}
.btn-outline:hover {
  border-color: rgba(8, 84, 165, 0.55) !important;
  background: rgba(8, 84, 165, 0.05) !important;
  box-shadow: 0 0 24px -8px rgba(8, 84, 165, 0.35);
}