/**
 * styles.css — Axsel Akademie & Biz Website V5
 * Shared design system. Loaded by all 6 pages.
 * Design: CLOD Axsel Designer | v2.0 April 2026
 */

/* ─── DESIGN TOKENS ──────────────────────────────────────────────────── */
:root {
  --ease-premium:   cubic-bezier(0.23, 1, 0.32, 1);
  --ease-smooth:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-snappy:    cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast:       160ms;
  --dur-normal:     220ms;
  --dur-enter:      450ms;
  --gold:           #C17D3C;
  --navy:           #1a1a2e;
  --surface:        #faf9f5;
  --surface-warm:   #F0ECE4;
  --text-muted:     #5C5F70;
  --border:         #E8E3DC;
}

/* ─── BASE ───────────────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
}

body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  color: #0F1624;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  max-width: 100vw;
}

h1, h2, h3, .font-serif, .font-headline {
  font-family: 'Newsreader', serif;
}

/* ─── MATERIAL SYMBOLS ───────────────────────────────────────────────── */
.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  user-select: none;
}

/* ─── PAGE ENTRY ─────────────────────────────────────────────────────── */
main {
  animation: pageIn var(--dur-enter) var(--ease-premium) both;
}

@keyframes pageIn {
  from {
    opacity: 0;
    transform: translateY(8px);
    filter: blur(3px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

/* ─── SCROLL PROGRESS BAR ────────────────────────────────────────────── */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: var(--gold);
  z-index: 9999;
  pointer-events: none;
  transform-origin: left;
}

/* ─── NAVIGATION ─────────────────────────────────────────────────────── */
nav a { position: relative; }

/* Active page link */
nav a.nav-active {
  color: var(--gold) !important;
}
nav a.nav-active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
}

/* ─── BUTTONS ────────────────────────────────────────────────────────── */
/* Tactile press — Emil Kowalski rule: scale(0.97) not scale(0.95) */
a[href]:not([class*="font-serif"]):active,
button:active {
  transform: scale(0.97);
  transition: transform 80ms ease-out;
}

/* CTA gold buttons - specific override */
.btn-gold:active {
  transform: scale(0.97) !important;
  transition: transform 80ms ease-out !important;
}

/* ─── ACCORDION ──────────────────────────────────────────────────────── */
.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-smooth), padding 0.3s var(--ease-smooth);
}
.accordion-content.open {
  max-height: 700px;
  padding-top: 1.5rem;
}
.accordion-toggle .arrow {
  transition: transform 0.3s var(--ease-smooth);
}
.accordion-toggle.open .arrow {
  transform: rotate(180deg);
}
.accordion-toggle {
  transition: transform 0.25s var(--ease-smooth), box-shadow 0.25s var(--ease-smooth);
}

/* ─── IMAGE PLACEHOLDER / SKELETON ──────────────────────────────────── */
.img-placeholder {
  background: linear-gradient(135deg, #F0ECE4 0%, #E8E3DC 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.img-placeholder::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.35) 50%, transparent 100%);
  animation: shimmer 1.8s infinite;
}
.img-placeholder span {
  color: #5C5F70;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  position: relative;
  z-index: 1;
}
@keyframes shimmer {
  from { transform: translateX(-100%); }
  to   { transform: translateX(100%); }
}

/* ─── FLOATING GRADIENT ORB ──────────────────────────────────────────── */
.float-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.12;
  animation: floatOrb 10s var(--ease-premium) infinite;
  pointer-events: none;
  will-change: transform;
  backface-visibility: hidden;
}
@keyframes floatOrb {
  0%, 100% { transform: translateY(0) scale(1); }
  50%       { transform: translateY(-16px) scale(1.02); }
}

/* ─── CARD HOVER LIFT ────────────────────────────────────────────────── */
.card-lift {
  transition: transform 0.2s var(--ease-smooth), box-shadow 0.2s var(--ease-smooth);
  will-change: transform;
}
.card-lift:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(15, 22, 36, 0.10);
}

/* ─── IMAGE BLUR-UP LOAD ─────────────────────────────────────────────── */
img.loading-blur {
  filter: blur(8px);
  transform: scale(1.02);
  transition: filter 0.5s var(--ease-smooth), transform 0.5s var(--ease-smooth);
}
img.loaded {
  filter: blur(0);
  transform: scale(1);
}

/* ─── SMOOTH IMAGE ZOOM (group hover) ───────────────────────────────── */
.group:hover img { transform: scale(1.03); }
img { transition: transform 0.7s var(--ease-smooth); }

/* ─── TEXT REVEAL ANIMATION ──────────────────────────────────────────── */
.text-reveal { overflow: hidden; }
.text-reveal span {
  display: inline-block;
  animation: slideUp 0.55s var(--ease-premium) forwards;
  animation-delay: var(--delay, 0s);
  opacity: 0;
}
@keyframes slideUp {
  from { transform: translateY(100%); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

/* ─── FOCUS RING ─────────────────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ─── FILTER PILLS (programs page) ──────────────────────────────────── */
.filter-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 600;
  font-family: 'Plus Jakarta Sans', sans-serif;
  border: 1.5px solid var(--border);
  color: var(--text-muted);
  background: transparent;
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-smooth);
  white-space: nowrap;
  user-select: none;
}
.filter-pill:hover {
  border-color: var(--gold);
  color: var(--gold);
}
.filter-pill.active {
  background: var(--gold);
  border-color: var(--gold);
  color: #fff;
}

/* ─── TIMELINE (hrdc page) ───────────────────────────────────────────── */
.timeline-line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--gold), var(--border));
  transform: translateX(-50%);
}
.timeline-dot {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gold);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  font-family: 'Plus Jakarta Sans', sans-serif;
  flex-shrink: 0;
  box-shadow: 0 0 0 6px rgba(193, 125, 60, 0.12);
  position: relative;
  z-index: 2;
}

/* ─── SKIP TO CONTENT ────────────────────────────────────────────────── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 10000;
  background: var(--gold);
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  transition: top 0.2s;
}
.skip-link:focus {
  top: 1rem;
}

/* ─── WHATSAPP BUTTON ────────────────────────────────────────────────── */
.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #25D366;
  color: #fff;
  padding: 0.625rem 1.25rem;
  border-radius: 0.5rem;
  font-weight: 600;
  font-size: 0.875rem;
  transition: background var(--dur-fast) var(--ease-smooth), transform var(--dur-fast) var(--ease-smooth);
}
.btn-whatsapp:hover {
  background: #1ebe59;
  transform: translateY(-1px);
}

/* ─── LOGO PARTNER GRID ──────────────────────────────────────────────── */
#partner-logos img {
  opacity: 0.75;
  transition: opacity 0.25s var(--ease-smooth), filter 0.25s var(--ease-smooth);
}
#partner-logos img:hover {
  opacity: 1;
}

/* ─── MOBILE MENU ANIMATION ──────────────────────────────────────────── */
#mobile-menu {
  overflow: hidden;
}
#mobile-menu:not(.hidden) {
  display: block;
  max-height: 400px;
  opacity: 1;
}
#mobile-menu.menu-open {
  max-height: 400px;
  opacity: 1;
}

/* ─── LOGO MARQUEE (industries page) ────────────────────────────────── */
.logo-marquee-track {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
  mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
}
.logo-marquee-inner {
  display: flex;
  align-items: center;
  gap: 5rem;
  width: max-content;
  animation: marquee-scroll 40s linear infinite;
}
.logo-marquee-inner:hover {
  animation-play-state: paused;
}
.logo-item {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  height: 56px;
}
.logo-item img {
  max-height: 48px;
  max-width: 130px;
  width: auto;
  object-fit: contain;
  filter: grayscale(1);
  opacity: 0.6;
  transition: filter 0.4s var(--ease-smooth), opacity 0.4s var(--ease-smooth);
}
.logo-item img:hover {
  filter: grayscale(0);
  opacity: 1;
}
@keyframes marquee-scroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ─── 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;
  }
  .float-orb { display: none; }
  #scroll-progress { display: none; }
  main { animation: none; }
}