/* ==========================================================================
   ENERSON – animations.css
   Keyframes · GSAP Helpers · Transition Utilities · Reveal Classes
   ========================================================================== */


/* --------------------------------------------------------------------------
   1. KEYFRAMES
   -------------------------------------------------------------------------- */

/* Glow pulse – used on award image, accent elements */
@keyframes pulse-glow {
  0%, 100% {
    opacity: 0;
    box-shadow: 0 0 0 0 rgba(38, 112, 237, 0);
  }
  50% {
    opacity: 0.6;
    box-shadow: 0 0 32px 8px rgba(38, 112, 237, 0.25);
  }
}

/* Accent ring pulse – used on map pin, logo */
@keyframes ring-pulse {
  0% {
    transform: scale(1);
    opacity: 0.7;
  }
  100% {
    transform: scale(2.2);
    opacity: 0;
  }
}

/* Scroll bounce – scroll indicator chevron */
@keyframes scroll-bounce {
  0%, 100% {
    transform: translateX(-50%) translateY(0);
    opacity: 0.6;
  }
  50% {
    transform: translateX(-50%) translateY(6px);
    opacity: 1;
  }
}

/* Stroke draw – SVG path animation */
@keyframes stroke-draw {
  from {
    stroke-dashoffset: 1000;
  }
  to {
    stroke-dashoffset: 0;
  }
}

/* Fade up – base reveal */
@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fade in */
@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Loader progress shimmer */
@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

/* Subtle float – icon panels in .glass */
@keyframes icon-float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-6px); }
}

/* Dot blink – map standort pulse */
@keyframes dot-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(0.75); }
}


/* --------------------------------------------------------------------------
   2. GSAP WILL-CHANGE HELPERS
   Applied before GSAP animations begin – removed after
   -------------------------------------------------------------------------- */

.gsap-will-change {
  will-change: transform, opacity;
}

/* GSAP initial hidden states (before JS runs) */
.gsap-hidden {
  opacity: 0;
  visibility: hidden;
}


/* --------------------------------------------------------------------------
   3. REVEAL CLASSES
   Initial-hidden state only applied when GSAP is confirmed running.
   Without JS (or if GSAP CDN fails), all content is visible by default.
   -------------------------------------------------------------------------- */

/* Only hide when GSAP is active (class added by animations.js) */
.gsap-ready [data-reveal] {
  opacity: 0;
  transform: translateY(20px);
}

.gsap-ready [data-reveal="left"] {
  opacity: 0;
  transform: translateX(-30px);
}

.gsap-ready [data-reveal="right"] {
  opacity: 0;
  transform: translateX(30px);
}

.gsap-ready [data-reveal="scale"] {
  opacity: 0;
  transform: scale(0.96);
}

/* Service/feature cards – revealed by GSAP stagger */
.gsap-ready .gsap-reveal-card {
  opacity: 0;
  transform: translateY(20px);
}


/* --------------------------------------------------------------------------
   4. TRANSITION UTILITIES
   -------------------------------------------------------------------------- */

.transition-color {
  transition: color var(--duration-micro) ease-out;
}

.transition-opacity {
  transition: opacity var(--duration-micro) ease-out;
}

.transition-transform {
  transition: transform var(--duration-enter) var(--ease-out);
}

.transition-all {
  transition: all var(--duration-micro) ease-out;
}


/* --------------------------------------------------------------------------
   5. GLOW UTILITIES
   -------------------------------------------------------------------------- */

/* Subtle text glow */
.text-glow {
  text-shadow:
    0 0 20px rgba(38, 112, 237, 0.5),
    0 0 60px rgba(38, 112, 237, 0.2);
}

/* Element glow border */
.glow-border {
  box-shadow:
    0 0 0 1px rgba(38, 112, 237, 0.4),
    0 0 24px rgba(38, 112, 237, 0.15);
}

/* Hover glow on card */
.card-glow:hover {
  box-shadow:
    0 0 0 1px rgba(38, 112, 237, 0.3),
    0 8px 32px rgba(38, 112, 237, 0.12);
}


/* --------------------------------------------------------------------------
   6. SCHWEIZ MAP – SVG Animation Styles
   -------------------------------------------------------------------------- */

.schweiz-svg-map {
  width: 100%;
  height: auto;
  overflow: visible;
}

/* Country outline */
.schweiz-outline {
  fill: none;
  stroke: var(--glass-border);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Animated connection lines */
.schweiz-line {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1;
  stroke-linecap: round;
  opacity: 0;
  stroke-dasharray: 200;
  stroke-dashoffset: 200;
}

/* Location dots */
.schweiz-dot {
  fill: var(--accent);
  opacity: 0;
}

/* Dot pulse ring */
.schweiz-dot-ring {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1;
  transform-box: fill-box;
  transform-origin: center;
  opacity: 0;
  animation: ring-pulse 2s ease-out infinite;
}

/* Main location (Geuensee – HQ) */
.schweiz-dot.hq {
  fill: var(--accent-glow);
}


/* --------------------------------------------------------------------------
   7. HERO TEXT ANIMATION STATES
   Only hidden when GSAP is running – always visible as fallback
   -------------------------------------------------------------------------- */

.gsap-ready .hero-text-group {
  opacity: 0;
  transform: translateY(20px);
}

.gsap-ready .hero-text-group h1,
.gsap-ready .hero-text-group .hero-subline,
.gsap-ready .hero-text-group .hero-optional,
.gsap-ready .hero-text-group .btn {
  opacity: 0;
  transform: translateY(16px);
}


/* --------------------------------------------------------------------------
   8. NAV ACTIVE INDICATOR
   -------------------------------------------------------------------------- */

/* Animated underline for nav hover */
.nav-links a {
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 1px;
  background-color: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.2s ease-out;
}

.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after {
  transform: scaleX(1);
}

/* Active state overrides underline with color */
.nav-links a[aria-current="page"]::after {
  background-color: var(--accent);
}


/* --------------------------------------------------------------------------
   9. CANVAS SECTION – PINNED SCROLL STATES
   -------------------------------------------------------------------------- */

/* When section is pinned by GSAP ScrollTrigger */
.section-pinned {
  position: sticky;
  top: 0;
  height: 100dvh;
}

/* Hero canvas – always visible, mix-blend-mode handles black transparency */
.hero-canvas {
  opacity: 1;
}


/* --------------------------------------------------------------------------
   10. LOADING PROGRESS SHIMMER
   -------------------------------------------------------------------------- */

.loader-progress.shimmer {
  background: linear-gradient(
    90deg,
    var(--accent) 0%,
    var(--accent-glow) 50%,
    var(--accent) 100%
  );
  background-size: 200% auto;
  animation: shimmer 1.5s linear infinite;
}


/* --------------------------------------------------------------------------
   11. PREFERS-REDUCED-MOTION – Animation Overrides
   Complements base.css reset – specific overrides for our animations
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  /* Skip all scroll-driven reveals – show content immediately */
  [data-reveal],
  [data-reveal="left"],
  [data-reveal="right"],
  [data-reveal="scale"] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  /* Stop infinite animations */
  .scroll-indicator,
  .schweiz-dot-ring,
  .award-visual::after,
  .cp-glow, .cp-ring, .cp-beam, .cp-node, .cp-streak {
    animation: none !important;
    opacity: 0.6;
  }

  /* Hero text always visible */
  .hero-text-group,
  .gsap-ready .hero-text-group,
  .hero-text-group h1,
  .gsap-ready .hero-text-group h1,
  .hero-text-group .hero-subline,
  .gsap-ready .hero-text-group .hero-subline,
  .hero-text-group .hero-optional,
  .gsap-ready .hero-text-group .hero-optional,
  .hero-text-group .btn,
  .gsap-ready .hero-text-group .btn {
    opacity: 1 !important;
    transform: none !important;
  }

  /* Canvas – show last frame immediately (handled by JS, CSS fallback) */
  .canvas-section {
    /* JS will handle showing last frame */
  }
}


/* --------------------------------------------------------------------------
   12. CANVAS PLACEHOLDER ATMOSPHERICS
   Cinematic dark-tech visuals shown until real WebP frame sequences arrive
   -------------------------------------------------------------------------- */

/* Override base canvas-placeholder – no border/text */
.canvas-placeholder {
  color: transparent !important;
  border: none !important;
  background: var(--bg-master);
}

/* Background layer */
.cp-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

/* Glow blob – radial gradient orb, pulses via opacity */
.cp-glow {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  animation: cp-glow-pulse var(--dur, 5s) ease-in-out infinite var(--delay, 0s);
}

@keyframes cp-glow-pulse {
  0%, 100% { opacity: 0.35; }
  50%       { opacity: 1;    }
}

/* Positioning wrapper for rings – centered in parent */
.cp-ring-pos {
  position: absolute;
  width:  var(--size, 300px);
  height: var(--size, 300px);
  top:  50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

/* The ring itself */
.cp-ring {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 1px solid rgba(38, 112, 237, 0.25);
  opacity: 0;
  transform: scale(0.08);
  animation: cp-ring-expand 4s ease-out infinite var(--delay, 0s);
}

@keyframes cp-ring-expand {
  0%   { opacity: 0;    transform: scale(0.08); }
  12%  { opacity: 0.75; }
  100% { opacity: 0;    transform: scale(1);    }
}

/* Horizontal beam sweep (Signal Wave section) */
.cp-beam {
  position: absolute;
  left:   0;
  right:  0;
  height: 1px;
  opacity: 0;
  background: linear-gradient(
    to right,
    transparent    0%,
    rgba(38, 112, 237, 0.0)  5%,
    rgba(38, 112, 237, 0.6) 30%,
    rgba(58, 140, 255, 0.9) 50%,
    rgba(38, 112, 237, 0.6) 70%,
    rgba(38, 112, 237, 0.0) 95%,
    transparent   100%
  );
  animation: cp-beam-sweep var(--dur, 4s) cubic-bezier(0.4, 0, 0.6, 1) infinite var(--delay, 0s);
}

@keyframes cp-beam-sweep {
  0%   { transform: translateX(-110%); opacity: 0; }
  8%   { opacity: 1; }
  92%  { opacity: 1; }
  100% { transform: translateX(110%);  opacity: 0; }
}

/* Subtle grid overlay (Leistungen section) */
.cp-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  /* Tiefes Royal-Blau statt hellem Azur → kein cyan/grünlicher Touch */
  background-image:
    linear-gradient(rgba(40, 70, 180, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(40, 70, 180, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: cp-glow-pulse 6s ease-in-out infinite;
}

/* Network node dot */
.cp-node {
  position: absolute;
  border-radius: 50%;
  background: var(--accent);
  pointer-events: none;
  animation: cp-node-pulse var(--dur, 3s) ease-in-out infinite var(--delay, 0s);
}

@keyframes cp-node-pulse {
  0%, 100% { opacity: 0.2; transform: scale(1); }
  50%       { opacity: 1;   transform: scale(1.4); }
}

/* Network connector line */
.cp-connector {
  position: absolute;
  height: 1px;
  transform-origin: left center;
  background: linear-gradient(to right, rgba(38, 112, 237, 0.5), transparent);
  animation: cp-glow-pulse var(--dur, 4s) ease-in-out infinite var(--delay, 0s);
  pointer-events: none;
}

/* Vertical energy streak (PV section) */
.cp-streak {
  position: absolute;
  width: 1px;
  top:    0;
  bottom: 0;
  background: linear-gradient(
    to bottom,
    transparent                   0%,
    rgba(58, 140, 255, 0.6)      40%,
    rgba(38, 112, 237, 0.3)      70%,
    transparent                  100%
  );
  animation: cp-streak-fall var(--dur, 3s) ease-in-out infinite var(--delay, 0s);
  opacity: 0;
}

@keyframes cp-streak-fall {
  0%   { transform: translateY(-100%); opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { transform: translateY(100%);  opacity: 0; }
}


/* --------------------------------------------------------------------------
   LIQUID GLASS – Icon animations & interactive polish
   -------------------------------------------------------------------------- */

/* SVG icons inside .glass panels – float only, no outward glow */
.glass svg {
  animation: icon-float 4s ease-in-out infinite;
  opacity: 0.85;
  transition: opacity 250ms ease-out, transform 250ms ease-out;
}

.glass:hover svg {
  opacity: 1;
  transform: scale(1.06);
}

/* Card icon containers */
.card .card-icon,
.service-card .card-icon {
  transition: transform 200ms ease-out, background-color 200ms ease-out;
}

.card:hover .card-icon,
.service-card:hover .card-icon {
  transform: translateY(-2px) scale(1.06);
  background-color: rgba(38, 112, 237, 0.18);
}

/* cert-icon: inner fill on hover, no outer glow */
.cert-item:hover .cert-icon {
  background: rgba(38, 112, 237, 0.18);
  border-color: rgba(38, 112, 237, 0.5);
  transition: background 200ms ease-out, border-color 200ms ease-out;
}

/* btn-primary: include transform in transition */
.btn-primary {
  transition: background 200ms ease-out,
              border-color 200ms ease-out,
              box-shadow 200ms ease-out,
              transform 200ms ease-out;
}

/* btn-ghost: include transform in transition */
.btn-ghost {
  transition: background 200ms ease-out,
              border-color 200ms ease-out,
              box-shadow 200ms ease-out,
              transform 200ms ease-out;
}

.btn-ghost:hover {
  transform: translateY(-1px);
}

/* Feature list items – subtle left-border glow on hover */
.feature-list li {
  transition: color 150ms ease-out, padding-left 150ms ease-out;
}

.feature-list li:hover {
  color: var(--text-primary);
  padding-left: 0.25rem;
}

/* prefers-reduced-motion: kill all icon animations */
@media (prefers-reduced-motion: reduce) {
  .glass svg {
    animation: none;
  }
}