/* ============================================================
   Smart School Panel (SSP) — Main Stylesheet
   Theme: Dark Purple + Black | Modern & Professional
   Fonts: Vazirmatn (FA), Ubuntu (EN), UbuntuMono (Code)
   Mobile-First | Accessible | No external dependencies
   ============================================================ */

/* ---------- @font-face ---------- */
@font-face {
  font-family: 'Vazirmatn';
  src: url('/fonts/Vazirmatn-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Vazirmatn';
  src: url('/fonts/Vazirmatn-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Ubuntu';
  src: url('/fonts/Ubuntu-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Ubuntu';
  src: url('/fonts/Ubuntu-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'UbuntuMono';
  src: url('/fonts/UbuntuMono-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* ---------- CSS Variables (Theme Tokens) ---------- */
:root {
  /* Colors */
  --clr-bg-primary:       #0a0a0f;
  --clr-bg-secondary:     #12111a;
  --clr-bg-card:          #1a1826;
  --clr-bg-card-hover:    #221f33;
  --clr-bg-input:         #15131f;
  --clr-bg-header:        rgba(10, 10, 15, 0.92);

  --clr-purple-100:       #ede9fe;
  --clr-purple-200:       #ddd6fe;
  --clr-purple-300:       #c4b5fd;
  --clr-purple-400:       #a78bfa;
  --clr-purple-500:       #8b5cf6;
  --clr-purple-600:       #7c3aed;
  --clr-purple-700:       #6d28d9;
  --clr-purple-800:       #5b21b6;
  --clr-purple-900:       #4c1d95;

  --clr-accent:           #a78bfa;
  --clr-accent-hover:     #8b5cf6;
  --clr-accent-glow:      rgba(139, 92, 246, 0.35);

  --clr-text-primary:     #f0eef6;
  --clr-text-secondary:   #a8a3b8;
  --clr-text-muted:       #6b6580;
  --clr-text-on-accent:   #0a0a0f;

  --clr-success:          #22c55e;
  --clr-warning:          #f59e0b;
  --clr-danger:           #ef4444;
  --clr-info:             #3b82f6;

  --clr-border:           #2a2740;
  --clr-border-focus:     var(--clr-purple-500);

  /* Gradients */
  --grad-hero:            linear-gradient(135deg, #4c1d95 0%, #0a0a0f 50%, #12111a 100%);
  --grad-card:            linear-gradient(145deg, #1a1826 0%, #12111a 100%);
  --grad-btn:             linear-gradient(135deg, #7c3aed 0%, #a78bfa 100%);
  --grad-btn-hover:       linear-gradient(135deg, #6d28d9 0%, #8b5cf6 100%);
  --grad-shine:           linear-gradient(120deg, transparent 30%, rgba(167,139,250,0.08) 50%, transparent 70%);

  /* Typography */
  --ff-fa:                'Vazirmatn', 'Tahoma', sans-serif;
  --ff-en:                'Ubuntu', 'Segoe UI', sans-serif;
  --ff-mono:              'UbuntuMono', 'Courier New', monospace;

  --fs-xs:                0.75rem;    /* 12px */
  --fs-sm:                0.875rem;   /* 14px */
  --fs-base:              1rem;       /* 16px */
  --fs-md:                1.125rem;   /* 18px */
  --fs-lg:                1.25rem;    /* 20px */
  --fs-xl:                1.5rem;     /* 24px */
  --fs-2xl:               2rem;       /* 32px */
  --fs-3xl:               2.5rem;     /* 40px */
  --fs-4xl:               3rem;       /* 48px */
  --fs-hero:              clamp(2rem, 5vw, 3.5rem);

  --lh-tight:             1.3;
  --lh-normal:            1.6;
  --lh-loose:             1.8;

  /* Spacing */
  --sp-1:                 0.25rem;
  --sp-2:                 0.5rem;
  --sp-3:                 0.75rem;
  --sp-4:                 1rem;
  --sp-5:                 1.25rem;
  --sp-6:                 1.5rem;
  --sp-8:                 2rem;
  --sp-10:                2.5rem;
  --sp-12:                3rem;
  --sp-16:                4rem;
  --sp-20:                5rem;
  --sp-24:                6rem;

  /* Border Radius */
  --radius-sm:            0.375rem;
  --radius-md:            0.625rem;
  --radius-lg:            1rem;
  --radius-xl:            1.5rem;
  --radius-full:          9999px;

  /* Shadows */
  --shadow-sm:            0 1px 3px rgba(0,0,0,0.4);
  --shadow-md:            0 4px 14px rgba(0,0,0,0.5);
  --shadow-lg:            0 10px 40px rgba(0,0,0,0.6);
  --shadow-glow:          0 0 30px var(--clr-accent-glow);
  --shadow-card:          0 4px 20px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.03);

  /* Transitions */
  --tr-fast:              150ms ease;
  --tr-normal:            250ms ease;
  --tr-slow:              400ms ease;

  /* Z-index scale */
  --z-dropdown:           100;
  --z-header:             500;
  --z-overlay:            900;
  --z-modal:              1000;

  /* Layout */
  --max-width:            1200px;
  --header-h:             72px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--ff-fa);
  font-size: var(--fs-base);
  line-height: var(--lh-normal);
  color: var(--clr-text-primary);
  background-color: var(--clr-bg-primary);
  direction: rtl;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* English text helper */
.en, [lang="en"] {
  font-family: var(--ff-en);
  direction: ltr;
}
.mono {
  font-family: var(--ff-mono);
}

::selection {
  background: var(--clr-purple-600);
  color: #fff;
}

img, video, svg {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--clr-accent);
  text-decoration: none;
  transition: color var(--tr-fast);
}
a:hover {
  color: var(--clr-accent-hover);
}
a:focus-visible {
  outline: 2px solid var(--clr-accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: var(--lh-tight);
  color: var(--clr-text-primary);
}
h1 { font-size: var(--fs-4xl); }
h2 { font-size: var(--fs-3xl); }
h3 { font-size: var(--fs-2xl); }
h4 { font-size: var(--fs-xl); }
h5 { font-size: var(--fs-lg); }
h6 { font-size: var(--fs-md); }

p {
  margin-bottom: var(--sp-4);
  color: var(--clr-text-secondary);
}

/* ---------- Utility Classes ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--sp-6);
}

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

.text-center { text-align: center; }
.text-right  { text-align: right; }
.text-left   { text-align: left; }

.flex        { display: flex; }
.flex-col    { flex-direction: column; }
.flex-wrap   { flex-wrap: wrap; }
.items-center{ align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2       { gap: var(--sp-2); }
.gap-4       { gap: var(--sp-4); }
.gap-6       { gap: var(--sp-6); }
.gap-8       { gap: var(--sp-8); }

.grid        { display: grid; }

.mt-4  { margin-top: var(--sp-4); }
.mt-8  { margin-top: var(--sp-8); }
.mt-12 { margin-top: var(--sp-12); }
.mb-4  { margin-bottom: var(--sp-4); }
.mb-8  { margin-bottom: var(--sp-8); }
.mb-12 { margin-bottom: var(--sp-12); }
.py-8  { padding-top: var(--sp-8); padding-bottom: var(--sp-8); }
.py-12 { padding-top: var(--sp-12); padding-bottom: var(--sp-12); }
.py-16 { padding-top: var(--sp-16); padding-bottom: var(--sp-16); }
.py-20 { padding-top: var(--sp-20); padding-bottom: var(--sp-20); }
.px-4  { padding-left: var(--sp-4); padding-right: var(--sp-4); }
.px-6  { padding-left: var(--sp-6); padding-right: var(--sp-6); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-6);
  font-size: var(--fs-base);
  font-weight: 700;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--tr-normal);
  white-space: nowrap;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-shine);
  opacity: 0;
  transition: opacity var(--tr-normal);
}
.btn:hover::after {
  opacity: 1;
}

.btn-primary {
  background: var(--grad-btn);
  color: var(--clr-text-on-accent);
  box-shadow: 0 4px 15px var(--clr-accent-glow);
}
.btn-primary:hover {
  background: var(--grad-btn-hover);
  box-shadow: 0 6px 25px var(--clr-accent-glow);
  transform: translateY(-2px);
}
.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  background: transparent;
  color: var(--clr-accent);
  border: 2px solid var(--clr-accent);
}
.btn-outline:hover {
  background: rgba(139, 92, 246, 0.1);
  border-color: var(--clr-accent-hover);
  color: var(--clr-accent-hover);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--clr-text-secondary);
  border: 1px solid var(--clr-border);
}
.btn-ghost:hover {
  color: var(--clr-text-primary);
  border-color: var(--clr-text-muted);
  background: rgba(255,255,255,0.03);
}

.btn-lg {
  padding: var(--sp-4) var(--sp-8);
  font-size: var(--fs-md);
  border-radius: var(--radius-lg);
}
.btn-sm {
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--fs-sm);
}

.btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--radius-full);
}

/* ---------- Header / Navbar ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  background: var(--clr-bg-header);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--clr-border);
  z-index: var(--z-header);
  transition: background var(--tr-normal);
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--clr-text-primary);
}
.header__logo-icon {
  width: 40px;
  height: 40px;
  background: var(--grad-btn);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-lg);
  color: #fff;
}

.header__nav {
  display: none;
}
.header__nav.active {
  display: flex;
}
.header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
}
.header__nav-link {
  color: var(--clr-text-secondary);
  font-size: var(--fs-sm);
  font-weight: 700;
  padding: var(--sp-2) 0;
  position: relative;
  transition: color var(--tr-fast);
}
.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  right: 0;
  width: 0;
  height: 2px;
  background: var(--clr-accent);
  border-radius: var(--radius-full);
  transition: width var(--tr-normal);
}
.header__nav-link:hover,
.header__nav-link.active {
  color: var(--clr-accent);
}
.header__nav-link:hover::after,
.header__nav-link.active::after {
  width: 100%;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

/* Mobile menu toggle */
.header__toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: var(--sp-2);
}
.header__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--clr-text-primary);
  border-radius: var(--radius-full);
  transition: all var(--tr-normal);
}
.header__toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.header__toggle.active span:nth-child(2) {
  opacity: 0;
}
.header__toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (min-width: 768px) {
  .header__nav {
    display: flex;
  }
  .header__toggle {
    display: none;
  }
}

/* Mobile nav overlay */
@media (max-width: 767px) {
  .header__nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--clr-bg-primary);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: var(--z-overlay);
  }
  .header__nav-list {
    flex-direction: column;
    gap: var(--sp-8);
  }
  .header__nav-link {
    font-size: var(--fs-lg);
  }
}

/* ---------- Hero Section ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--grad-hero);
  padding-top: var(--header-h);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--clr-purple-600) 0%, transparent 70%);
  top: -200px;
  left: -200px;
  opacity: 0.15;
  filter: blur(80px);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--clr-purple-400) 0%, transparent 70%);
  bottom: -150px;
  right: -150px;
  opacity: 0.1;
  filter: blur(80px);
  pointer-events: none;
}

.hero__content {
  text-align: center;
  max-width: 800px;
  padding: var(--sp-8);
  position: relative;
  z-index: 1;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  background: rgba(139, 92, 246, 0.12);
  border: 1px solid rgba(139, 92, 246, 0.25);
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  color: var(--clr-accent);
  margin-bottom: var(--sp-6);
}
.hero__badge-dot {
  width: 8px;
  height: 8px;
  background: var(--clr-success);
  border-radius: var(--radius-full);
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero__title {
  font-size: var(--fs-hero);
  margin-bottom: var(--sp-6);
  background: linear-gradient(135deg, #fff 0%, var(--clr-purple-300) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__subtitle {
  font-size: var(--fs-lg);
  color: var(--clr-text-secondary);
  margin-bottom: var(--sp-8);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

/* ---------- Section ---------- */
.section {
  padding: var(--sp-20) 0;
}
.section--alt {
  background: var(--clr-bg-secondary);
}
.section__header {
  text-align: center;
  margin-bottom: var(--sp-12);
}
.section__label {
  display: inline-block;
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--clr-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--sp-3);
}
.section__title {
  font-size: var(--fs-3xl);
  margin-bottom: var(--sp-4);
}
.section__desc {
  font-size: var(--fs-md);
  color: var(--clr-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .section__title {
    font-size: var(--fs-2xl);
  }
}

/* ---------- Cards ---------- */
.card {
  background: var(--grad-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  box-shadow: var(--shadow-card);
  transition: all var(--tr-normal);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-shine);
  opacity: 0;
  transition: opacity var(--tr-slow);
}
.card:hover {
  border-color: var(--clr-purple-700);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}
.card:hover::before {
  opacity: 1;
}

.card__icon {
  width: 56px;
  height: 56px;
  background: rgba(139, 92, 246, 0.12);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-xl);
  margin-bottom: var(--sp-4);
  color: var(--clr-accent);
}
.card__title {
  font-size: var(--fs-lg);
  margin-bottom: var(--sp-2);
}
.card__text {
  font-size: var(--fs-sm);
  color: var(--clr-text-secondary);
  line-height: var(--lh-loose);
}

/* Feature grid */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-6);
}
@media (min-width: 640px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------- Pricing Cards ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-6);
  align-items: stretch;
}
@media (min-width: 640px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.pricing-card {
  background: var(--grad-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: var(--sp-8);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: all var(--tr-normal);
  position: relative;
}
.pricing-card:hover {
  border-color: var(--clr-purple-600);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}
.pricing-card--featured {
  border-color: var(--clr-purple-500);
  box-shadow: var(--shadow-glow);
  background: linear-gradient(145deg, #221f33 0%, #1a1826 50%, #12111a 100%);
}
.pricing-card--featured::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 3px;
  background: var(--grad-btn);
  border-radius: 0 0 var(--radius-full) var(--radius-full);
}

.pricing-card__badge {
  position: absolute;
  top: var(--sp-4);
  left: var(--sp-4);
  padding: var(--sp-1) var(--sp-3);
  background: var(--grad-btn);
  color: #fff;
  font-size: var(--fs-xs);
  font-weight: 700;
  border-radius: var(--radius-full);
}

.pricing-card__title {
  font-size: var(--fs-xl);
  margin-bottom: var(--sp-2);
}
.pricing-card__price {
  font-size: var(--fs-4xl);
  font-weight: 700;
  color: var(--clr-text-primary);
  margin-bottom: var(--sp-1);
  direction: ltr;
}
.pricing-card__price span {
  font-size: var(--fs-base);
  font-weight: 400;
  color: var(--clr-text-muted);
}
.pricing-card__period {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  margin-bottom: var(--sp-6);
}
.pricing-card__features {
  width: 100%;
  margin-bottom: var(--sp-8);
  flex: 1;
}
.pricing-card__features li {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) 0;
  font-size: var(--fs-sm);
  color: var(--clr-text-secondary);
  border-bottom: 1px solid rgba(42,39,64,0.5);
}
.pricing-card__features li:last-child {
  border-bottom: none;
}
.pricing-card__features li::before {
  content: '✓';
  color: var(--clr-success);
  font-weight: 700;
  flex-shrink: 0;
}

/* ---------- Gallery / Lightbox ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--sp-4);
}
.gallery-item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  position: relative;
  border: 1px solid var(--clr-border);
  transition: all var(--tr-normal);
}
.gallery-item:hover {
  border-color: var(--clr-purple-600);
  transform: scale(1.02);
  box-shadow: var(--shadow-glow);
}
.gallery-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform var(--tr-slow);
}
.gallery-item:hover img {
  transform: scale(1.08);
}

/* Lightbox overlay */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  padding: var(--sp-8);
  backdrop-filter: blur(8px);
}
.lightbox.active {
  display: flex;
}
.lightbox__img {
  max-width: 90vw;
  max-height: 85vh;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.lightbox__close {
  position: absolute;
  top: var(--sp-6);
  left: var(--sp-6);
  width: 48px;
  height: 48px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-full);
  color: #fff;
  font-size: var(--fs-xl);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--tr-fast);
}
.lightbox__close:hover {
  background: rgba(255,255,255,0.2);
}

/* ---------- Forms ---------- */
.form-group {
  margin-bottom: var(--sp-5);
}
.form-label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--clr-text-secondary);
  margin-bottom: var(--sp-2);
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  background: var(--clr-bg-input);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  color: var(--clr-text-primary);
  font-size: var(--fs-base);
  transition: all var(--tr-fast);
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--clr-border-focus);
  box-shadow: 0 0 0 3px var(--clr-accent-glow);
}
.form-input::placeholder {
  color: var(--clr-text-muted);
}
.form-textarea {
  min-height: 120px;
  resize: vertical;
}
.form-error {
  font-size: var(--fs-xs);
  color: var(--clr-danger);
  margin-top: var(--sp-1);
}

/* ---------- Tables ---------- */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--clr-border);
}
.table {
  width: 100%;
  border-collapse: collapse;
}
.table th,
.table td {
  padding: var(--sp-3) var(--sp-4);
  text-align: right;
  font-size: var(--fs-sm);
  border-bottom: 1px solid var(--clr-border);
}
.table th {
  background: var(--clr-bg-secondary);
  font-weight: 700;
  color: var(--clr-text-primary);
  white-space: nowrap;
}
.table td {
  color: var(--clr-text-secondary);
}
.table tbody tr {
  transition: background var(--tr-fast);
}
.table tbody tr:hover {
  background: rgba(139, 92, 246, 0.05);
}

/* ---------- Badge / Tag ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  padding: var(--sp-1) var(--sp-3);
  font-size: var(--fs-xs);
  font-weight: 700;
  border-radius: var(--radius-full);
}
.badge--success {
  background: rgba(34,197,94,0.12);
  color: var(--clr-success);
}
.badge--warning {
  background: rgba(245,158,11,0.12);
  color: var(--clr-warning);
}
.badge--danger {
  background: rgba(239,68,68,0.12);
  color: var(--clr-danger);
}
.badge--info {
  background: rgba(59,130,246,0.12);
  color: var(--clr-info);
}

/* ---------- Stats ---------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-4);
}
@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}
.stat-card {
  background: var(--grad-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  text-align: center;
}
.stat-card__number {
  font-size: var(--fs-3xl);
  font-weight: 700;
  color: var(--clr-accent);
  margin-bottom: var(--sp-2);
}
.stat-card__label {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
}

/* ---------- Footer ---------- */
.footer {
  background: var(--clr-bg-secondary);
  border-top: 1px solid var(--clr-border);
  padding: var(--sp-12) 0 var(--sp-8);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-8);
  margin-bottom: var(--sp-8);
}
@media (min-width: 768px) {
  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}
.footer__brand {
  max-width: 320px;
}
.footer__brand-name {
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--clr-text-primary);
  margin-bottom: var(--sp-3);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}
.footer__brand-desc {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  line-height: var(--lh-loose);
}

.footer__heading {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--clr-text-primary);
  margin-bottom: var(--sp-4);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.footer__links li {
  margin-bottom: var(--sp-2);
}
.footer__links a {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  transition: color var(--tr-fast);
}
.footer__links a:hover {
  color: var(--clr-accent);
}

.footer__social {
  display: flex;
  gap: var(--sp-3);
  margin-top: var(--sp-4);
}
.footer__social a {
  width: 40px;
  height: 40px;
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-md);
  color: var(--clr-text-muted);
  transition: all var(--tr-fast);
}
.footer__social a:hover {
  background: rgba(139, 92, 246, 0.2);
  border-color: var(--clr-purple-600);
  color: var(--clr-accent);
  transform: translateY(-2px);
}

.footer__bottom {
  border-top: 1px solid var(--clr-border);
  padding-top: var(--sp-6);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-3);
  font-size: var(--fs-xs);
  color: var(--clr-text-muted);
}
@media (min-width: 768px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* ---------- About Page ---------- */
.about-hero {
  padding-top: calc(var(--header-h) + var(--sp-16));
  padding-bottom: var(--sp-16);
  background: var(--grad-hero);
  text-align: center;
}
.about-profile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-6);
}
@media (min-width: 768px) {
  .about-profile {
    flex-direction: row;
    text-align: right;
  }
}
.about-avatar {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-full);
  background: var(--grad-btn);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-4xl);
  color: #fff;
  flex-shrink: 0;
  box-shadow: var(--shadow-glow);
}
.about-info__name {
  font-size: var(--fs-2xl);
  margin-bottom: var(--sp-2);
}
.about-info__role {
  font-size: var(--fs-md);
  color: var(--clr-accent);
  margin-bottom: var(--sp-4);
}
.about-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
}
.about-link {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  background: rgba(139, 92, 246, 0.08);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  color: var(--clr-text-secondary);
  transition: all var(--tr-fast);
}
.about-link:hover {
  background: rgba(139, 92, 246, 0.15);
  border-color: var(--clr-purple-600);
  color: var(--clr-accent);
}

/* ---------- Contact Page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-8);
}
@media (min-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }
}
.contact-info-card {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
  padding: var(--sp-5);
  background: var(--grad-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  transition: all var(--tr-normal);
}
.contact-info-card:hover {
  border-color: var(--clr-purple-600);
}
.contact-info-card__icon {
  width: 48px;
  height: 48px;
  background: rgba(139, 92, 246, 0.12);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-lg);
  color: var(--clr-accent);
  flex-shrink: 0;
}
.contact-info-card__title {
  font-size: var(--fs-base);
  font-weight: 700;
  margin-bottom: var(--sp-1);
}
.contact-info-card__text {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
}

/* ---------- Page Header (for sub-pages) ---------- */
.page-header {
  padding-top: calc(var(--header-h) + var(--sp-16));
  padding-bottom: var(--sp-12);
  background: var(--grad-hero);
  text-align: center;
}
.page-header__title {
  font-size: var(--fs-3xl);
  margin-bottom: var(--sp-4);
}
.page-header__desc {
  font-size: var(--fs-md);
  color: var(--clr-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ---------- Animations ---------- */
@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.animate-in {
  animation: fade-in-up 0.6s ease forwards;
  opacity: 0;
}
.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }
.animate-delay-5 { animation-delay: 0.5s; }

/* Scroll-triggered animations (JS adds .visible) */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Alert / Notification ---------- */
.alert {
  padding: var(--sp-4) var(--sp-5);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  margin-bottom: var(--sp-4);
  border: 1px solid;
}
.alert--success {
  background: rgba(34,197,94,0.08);
  border-color: rgba(34,197,94,0.3);
  color: var(--clr-success);
}
.alert--danger {
  background: rgba(239,68,68,0.08);
  border-color: rgba(239,68,68,0.3);
  color: var(--clr-danger);
}
.alert--warning {
  background: rgba(245,158,11,0.08);
  border-color: rgba(245,158,11,0.3);
  color: var(--clr-warning);
}
.alert--info {
  background: rgba(59,130,246,0.08);
  border-color: rgba(59,130,246,0.3);
  color: var(--clr-info);
}

/* ---------- Scroll to top ---------- */
.scroll-top {
  position: fixed;
  bottom: var(--sp-6);
  left: var(--sp-6);
  width: 48px;
  height: 48px;
  background: var(--grad-btn);
  border: none;
  border-radius: var(--radius-full);
  color: #fff;
  font-size: var(--fs-lg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md), var(--shadow-glow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--tr-normal);
  z-index: var(--z-dropdown);
}
.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.scroll-top:hover {
  transform: translateY(-4px);
}

/* ---------- Loading Spinner ---------- */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--clr-border);
  border-top-color: var(--clr-accent);
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---------- Divider ---------- */
.divider {
  width: 60px;
  height: 3px;
  background: var(--grad-btn);
  border-radius: var(--radius-full);
  margin: var(--sp-6) auto;
}

/* ---------- Tooltip ---------- */
[data-tooltip] {
  position: relative;
}
[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  padding: var(--sp-2) var(--sp-3);
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  font-size: var(--fs-xs);
  color: var(--clr-text-primary);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--tr-fast);
  pointer-events: none;
  z-index: var(--z-dropdown);
}
[data-tooltip]:hover::after {
  opacity: 1;
  visibility: visible;
}