/* ============================================
   MIN 3 MADIUN — Portal Stylesheet
   Design System: Madrasah Modern Digital
   Style: Glassmorphism + Islamic Emerald
   ============================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@400;500;600&display=swap');

/* ---------- Design Tokens ---------- */
:root {
  /* Primary */
  --primary: #006b47;
  --primary-container: #00875a;
  --on-primary: #ffffff;
  --inverse-primary: #71dba6;
  --primary-fixed: #8df7c1;
  --primary-fixed-dim: #71dba6;

  /* Secondary */
  --secondary: #556158;
  --secondary-container: #d9e6da;
  --on-secondary: #ffffff;

  /* Tertiary / Gold */
  --tertiary: #775900;
  --tertiary-container: #967000;
  --tertiary-fixed: #ffdf9e;
  --tertiary-fixed-dim: #fabd00;

  /* Surface */
  --surface: #f9f9fc;
  --surface-dim: #dadadc;
  --surface-container: #eeeef0;
  --surface-container-high: #e8e8ea;
  --on-surface: #1a1c1e;
  --on-surface-variant: #3e4942;
  --inverse-surface: #2f3133;
  --inverse-on-surface: #f0f0f3;
  --outline: #6e7a71;
  --outline-variant: #bdcac0;
  --surface-tint: #006c47;

  /* Error */
  --error: #ba1a1a;
  --error-container: #ffdad6;

  /* Background */
  --background: #f9f9fc;
  --on-background: #1a1c1e;

  /* Glass */
  --glass-bg: rgba(255, 255, 255, 0.12);
  --glass-bg-hover: rgba(255, 255, 255, 0.22);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-border-hover: rgba(255, 255, 255, 0.4);
  --glass-shadow: 0 10px 30px rgba(0, 135, 90, 0.08);
  --glass-shadow-hover: 0 20px 50px rgba(0, 135, 90, 0.15);
  --glass-blur: blur(20px);

  /* Spacing */
  --sp-base: 8px;
  --sp-container: 24px;
  --sp-gutter: 16px;
  --sp-section: 64px;
  --sp-glass: 20px;

  /* Radius */
  --radius-sm: 0.25rem;
  --radius: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-fast: 0.2s var(--ease-out);
  --transition-normal: 0.4s var(--ease-out);
  --transition-slow: 0.6s var(--ease-out);
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--on-surface);
  background: var(--primary);
  overflow-x: hidden;
  min-height: 100vh;
}

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

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

/* ---------- Utility ---------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ---------- Portal Wrapper ---------- */
.portal {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* ---------- Background Layer ---------- */
.portal__bg {
  position: fixed;
  inset: 0;
  z-index: 0;
}

.portal__bg-image {
  position: absolute;
  inset: 0;
  background-image: url('a_clean_high_quality_professional_photograph_of_a_modern_indonesian_school/screen.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  will-change: transform;
  transition: transform 0.1s linear;
}

.portal__bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    rgba(0, 107, 71, 0.88) 0%,
    rgba(0, 135, 90, 0.82) 40%,
    rgba(0, 80, 52, 0.92) 100%
  );
}

/* Geometric Islamic Pattern Overlay */
.portal__bg-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image:
    linear-gradient(30deg, #fff 12%, transparent 12.5%, transparent 87%, #fff 87.5%, #fff),
    linear-gradient(150deg, #fff 12%, transparent 12.5%, transparent 87%, #fff 87.5%, #fff),
    linear-gradient(30deg, #fff 12%, transparent 12.5%, transparent 87%, #fff 87.5%, #fff),
    linear-gradient(150deg, #fff 12%, transparent 12.5%, transparent 87%, #fff 87.5%, #fff),
    linear-gradient(60deg, rgba(255,255,255,0.5) 25%, transparent 25.5%, transparent 75%, rgba(255,255,255,0.5) 75%, rgba(255,255,255,0.5)),
    linear-gradient(60deg, rgba(255,255,255,0.5) 25%, transparent 25.5%, transparent 75%, rgba(255,255,255,0.5) 75%, rgba(255,255,255,0.5));
  background-size: 40px 70px;
  background-position: 0 0, 0 0, 20px 35px, 20px 35px, 0 0, 20px 35px;
  pointer-events: none;
}

/* ---------- Particles Canvas ---------- */
#particles-canvas {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

/* ---------- Main Content ---------- */
.portal__content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  width: 100%;
  max-width: 1200px;
  padding: 40px var(--sp-container);
  gap: 0;
}

/* ---------- Header / Branding ---------- */
.portal__header {
  text-align: center;
  margin-bottom: 48px;
}

.portal__logo-wrapper {
  display: inline-block;
  position: relative;
  margin-bottom: 20px;
}

.portal__logo {
  width: 110px;
  height: 110px;
  object-fit: contain;
  filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.3));
  animation: floatLogo 4s ease-in-out infinite;
}

.portal__logo-glow {
  position: absolute;
  inset: -15px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(141, 247, 193, 0.25) 0%, transparent 70%);
  animation: pulseGlow 3s ease-in-out infinite;
  pointer-events: none;
}

.portal__title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 48px;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.02em;
  line-height: 1.1;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  margin-bottom: 8px;
}

.portal__subtitle {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 15px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.portal__tagline {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.55);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.5;
}

/* ---------- Clock Widget ---------- */
.portal__clock {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  padding: 6px 16px;
  margin-top: 16px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: 0.02em;
}

.portal__clock-icon {
  font-size: 14px;
}

.portal__clock-separator {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
}

/* ---------- Cards Grid ---------- */
.portal__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  width: 100%;
  max-width: 960px;
  margin-bottom: 48px;
}

/* ---------- Single Card ---------- */
.portal-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 28px 36px;
  border-radius: 20px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  cursor: pointer;
  transition:
    transform var(--transition-normal),
    background var(--transition-normal),
    border-color var(--transition-normal),
    box-shadow var(--transition-normal);
  overflow: hidden;
  text-decoration: none;
  outline: none;
}

/* Inner highlight (top + left light edge) */
.portal-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 20px;
  padding: 1px;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.25) 0%,
    rgba(255, 255, 255, 0.05) 50%,
    transparent 100%
  );
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

/* Shimmer effect */
.portal-card::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent 40%,
    rgba(255, 255, 255, 0.06) 50%,
    transparent 60%
  );
  transform: translateX(-100%);
  transition: none;
  pointer-events: none;
}

.portal-card:hover {
  transform: translateY(-8px) scale(1.02);
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  box-shadow: var(--glass-shadow-hover);
}

.portal-card:hover::after {
  animation: shimmer 0.8s ease forwards;
}

.portal-card:active {
  transform: translateY(-4px) scale(0.99);
}

/* Card Icon */
.portal-card__icon {
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  margin-bottom: 20px;
  font-size: 32px;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.portal-card:hover .portal-card__icon {
  transform: scale(1.08) translateY(-2px);
}

/* Icon variants */
.portal-card__icon--madrasah {
  background: linear-gradient(135deg, rgba(0, 135, 90, 0.3), rgba(113, 219, 166, 0.2));
  box-shadow: 0 4px 16px rgba(0, 135, 90, 0.15);
}

.portal-card:hover .portal-card__icon--madrasah {
  box-shadow: 0 8px 24px rgba(0, 135, 90, 0.3);
}

.portal-card__icon--elearning {
  background: linear-gradient(135deg, rgba(0, 80, 170, 0.3), rgba(100, 180, 255, 0.2));
  box-shadow: 0 4px 16px rgba(0, 80, 170, 0.15);
}

.portal-card:hover .portal-card__icon--elearning {
  box-shadow: 0 8px 24px rgba(0, 80, 170, 0.3);
}

.portal-card__icon--rapor {
  background: linear-gradient(135deg, rgba(150, 112, 0, 0.3), rgba(250, 189, 0, 0.2));
  box-shadow: 0 4px 16px rgba(150, 112, 0, 0.15);
}

.portal-card:hover .portal-card__icon--rapor {
  box-shadow: 0 8px 24px rgba(150, 112, 0, 0.3);
}

/* Card SVG Icon */
.portal-card__svg {
  width: 34px;
  height: 34px;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

.portal-card__icon--madrasah .portal-card__svg {
  stroke: var(--primary-fixed);
}

.portal-card__icon--elearning .portal-card__svg {
  stroke: #93c5fd;
}

.portal-card__icon--rapor .portal-card__svg {
  stroke: var(--tertiary-fixed);
}

/* Card Text */
.portal-card__title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.portal-card__desc {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.5;
  max-width: 220px;
}

/* Card Arrow */
.portal-card__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  margin-top: 18px;
  transition:
    background var(--transition-fast),
    transform var(--transition-fast);
}

.portal-card__arrow svg {
  width: 16px;
  height: 16px;
  stroke: rgba(255, 255, 255, 0.5);
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke var(--transition-fast);
}

.portal-card:hover .portal-card__arrow {
  background: rgba(255, 255, 255, 0.15);
  transform: translateX(4px);
}

.portal-card:hover .portal-card__arrow svg {
  stroke: #ffffff;
}

/* ---------- Info Bar ---------- */
.portal__info {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 32px;
}

.portal__info-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  white-space: nowrap;
}

.portal__info-item svg {
  width: 14px;
  height: 14px;
  stroke: rgba(255, 255, 255, 0.4);
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

.portal__info-divider {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
}

/* ---------- Footer ---------- */
.portal__footer {
  text-align: center;
  padding-bottom: 24px;
}

.portal__footer-text {
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.35);
  line-height: 1.6;
}

.portal__footer-kemenag {
  font-weight: 600;
  color: rgba(255, 255, 255, 0.45);
}

/* ---------- Animations ---------- */
@keyframes floatLogo {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes pulseGlow {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.1); }
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Scroll-triggered animation classes */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.7s var(--ease-out),
    transform 0.7s var(--ease-out);
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays */
.animate-delay-1 { transition-delay: 0.1s; }
.animate-delay-2 { transition-delay: 0.2s; }
.animate-delay-3 { transition-delay: 0.3s; }
.animate-delay-4 { transition-delay: 0.4s; }
.animate-delay-5 { transition-delay: 0.5s; }

/* Initial load animation */
.portal__header {
  animation: fadeInUp 0.8s var(--ease-out) 0.2s both;
}

.portal-card:nth-child(1) {
  animation: fadeInUp 0.7s var(--ease-out) 0.5s both;
}

.portal-card:nth-child(2) {
  animation: fadeInUp 0.7s var(--ease-out) 0.65s both;
}

.portal-card:nth-child(3) {
  animation: fadeInUp 0.7s var(--ease-out) 0.8s both;
}

.portal__info {
  animation: fadeInUp 0.6s var(--ease-out) 1s both;
}

.portal__footer {
  animation: fadeInUp 0.6s var(--ease-out) 1.1s both;
}

/* ---------- Responsive ---------- */

/* Tablet */
@media (max-width: 900px) {
  .portal__title {
    font-size: 40px;
  }

  .portal__cards {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    max-width: 720px;
  }

  .portal-card {
    padding: 32px 20px 28px;
  }

  .portal-card__icon {
    width: 60px;
    height: 60px;
  }

  .portal-card__svg {
    width: 28px;
    height: 28px;
  }
}

/* Mobile landscape / small tablets */
@media (max-width: 700px) {
  .portal__content {
    padding: 32px 20px;
    justify-content: center;
  }

  .portal__title {
    font-size: 36px;
  }

  .portal__subtitle {
    font-size: 13px;
    letter-spacing: 0.05em;
  }

  .portal__cards {
    grid-template-columns: 1fr;
    gap: 14px;
    max-width: 400px;
  }

  .portal-card {
    flex-direction: row;
    text-align: left;
    padding: 22px 24px;
    gap: 16px;
  }

  .portal-card__icon {
    width: 56px;
    height: 56px;
    margin-bottom: 0;
    flex-shrink: 0;
    border-radius: 14px;
  }

  .portal-card__svg {
    width: 26px;
    height: 26px;
  }

  .portal-card__content {
    flex: 1;
    min-width: 0;
  }

  .portal-card__title {
    font-size: 16px;
    margin-bottom: 4px;
  }

  .portal-card__desc {
    font-size: 12px;
    max-width: none;
  }

  .portal-card__arrow {
    margin-top: 0;
    width: 32px;
    height: 32px;
    flex-shrink: 0;
  }

  .portal-card:hover {
    transform: translateY(-3px) scale(1.01);
  }

  .portal__info {
    flex-direction: column;
    gap: 8px;
    padding: 14px 20px;
    border-radius: var(--radius-lg);
  }

  .portal__info-divider {
    display: none;
  }

  .portal__logo {
    width: 88px;
    height: 88px;
  }

  .portal__header {
    margin-bottom: 36px;
  }
}

/* Very small phones */
@media (max-width: 400px) {
  .portal__title {
    font-size: 30px;
  }

  .portal__logo {
    width: 76px;
    height: 76px;
  }

  .portal-card {
    padding: 18px 18px;
  }
}

/* Prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .portal__bg-image {
    transform: none !important;
  }
}