/* ═══════════════════════════════════════════════
   ACESTUDY BD — Global Stylesheet
   Theme: Black · Bangladesh Green #006A4E · Red #F42A41
   Running Event Accent: Orange #FF6B2B
═══════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #080a08;
  --bg2:       #0e110e;
  --surface:   #121712;
  --surface2:  #181e18;
  --border:    #1e271e;
  --green:     #006A4E;
  --green-lt:  #00a374;
  --green-dim: rgba(0,106,78,0.15);
  --red:       #F42A41;
  --red-dim:   rgba(244,42,65,0.12);
  --orange:    #FF6B2B;
  --orange-dim:rgba(255,107,43,0.12);
  --text:      #e2e8e2;
  --muted:     #5a6e5a;
  --white:     #ffffff;
  --nav-h:     64px;
  --radius:    14px;
  --radius-sm: 8px;
}

/* Light mode overrides when `data-theme="light"` is set on <html> */
[data-theme="light"] {
  --bg:        #f6f7f6;
  --bg2:       #ffffff;
  --surface:   #ffffff;
  --surface2:  #fbfbfb;
  --border:    #e6e6e6;
  --green:     #006A4E;
  --green-lt:  #00865f;
  --green-dim: rgba(0,106,78,0.06);
  --red:       #c53030;
  --red-dim:   rgba(197,48,48,0.06);
  --orange:    #ff7a3a;
  --orange-dim:rgba(255,122,58,0.06);
  --text:      #0b1210;
  --muted:     #586660;
  --white:     #ffffff;
}

/* Keep hero and announcement in dark mode */
[data-theme="light"] .nav-announcement,
[data-theme="light"] .hero,
[data-theme="light"] .hero::after {
  --bg:        #080a08;
  --bg2:       #0e110e;
  --surface:   #121712;
  --surface2:  #181e18;
  --border:    #1e271e;
  --text:      #e2e8e2;
  --muted:     #5a6e5a;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
}

/* ── Grid overlay ── */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image:
    linear-gradient(rgba(0,106,78,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,106,78,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

/* ── Typography ── */
h1,h2,h3,h4,h5 { font-family: 'Syne', sans-serif; line-height: 1.15; letter-spacing: -0.02em; }
h1 { font-size: clamp(2rem,5vw,3.5rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem,3vw,2.2rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 700; }
p  { line-height: 1.7; }
a  { color: var(--green-lt); text-decoration: none; }

/* ── Layout ── */
.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }
.section    { padding: 88px 0; }
.section-sm { padding: 56px 0; }

/* ════════════════════════ NAV ════════════════════════ */
.nav {
  position: sticky; top: 0; z-index: 200;
  height: var(--nav-h);
  background: rgba(8,10,8,0.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
}
.nav-inner {
  width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-family: 'Syne', sans-serif; font-weight: 800; font-size: 1.2rem;
  letter-spacing: -0.03em; color: var(--text); text-decoration: none;
  display: flex; align-items: center; gap: 8px;
}
.nav-logo .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); display: inline-block; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  color: var(--muted); font-size: 0.875rem; font-weight: 500;
  padding: 6px 12px; border-radius: var(--radius-sm);
  transition: color 0.2s, background 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); background: var(--surface2); }
.nav-cta {
  background: var(--green); color: var(--white) !important;
  padding: 7px 16px !important; border-radius: var(--radius-sm);
  font-weight: 500 !important; transition: background 0.2s !important;
}
.nav-cta:hover { background: var(--green-lt) !important; }

/* Mobile nav */
.nav-burger { display: none; background: none; border: none; cursor: pointer; color: var(--text); padding: 4px; }
.nav-mobile { display: none; flex-direction: column; gap: 4px; padding: 12px 24px 16px; border-top: 1px solid var(--border); background: rgba(8,10,8,0.97); position: absolute; top: var(--nav-h); left: 0; right: 0; z-index: 199; }
.nav-mobile.open { display: flex; }
.nav-mobile a { color: var(--muted); font-size: 0.9rem; padding: 10px 12px; border-radius: var(--radius-sm); transition: color 0.2s, background 0.2s; }
.nav-mobile a:hover { color: var(--text); background: var(--surface2); }
.nav-mobile .nav-cta { background: var(--green); color: var(--white) !important; }

/* Theme toggle button in the nav */
.nav-theme-toggle {
  background: none; border: 1px solid var(--border); color: var(--text);
  padding: 6px 8px; border-radius: 8px; cursor: pointer; display: inline-flex;
  align-items: center; gap: 8px; font-family: inherit; font-size: 0.9rem;
}
.nav-theme-toggle svg { width: 18px; height: 18px; display: block; }

/* Auth chip */
.nav-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  object-fit: cover; border: 2px solid var(--border);
  cursor: pointer;
}
.nav-avatar-ph {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--green); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.8rem; border: 2px solid var(--border);
}
.nav-user-wrap { display: flex; align-items: center; gap: 10px; }
.nav-logout {
  background: transparent; border: 1px solid var(--border);
  color: var(--muted); font-family: 'DM Sans', sans-serif;
  font-size: 0.78rem; padding: 5px 12px; border-radius: var(--radius-sm);
  cursor: pointer; text-decoration: none; transition: border-color 0.2s, color 0.2s;
}
.nav-logout:hover { border-color: var(--red); color: var(--red); }

/* ════════════════════════ BUTTONS ════════════════════════ */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: 'DM Sans', sans-serif; font-weight: 500;
  border: none; cursor: pointer; text-decoration: none;
  border-radius: var(--radius-sm); transition: all 0.2s;
  font-size: 0.95rem; padding: 12px 24px;
}
.btn-green  { background: var(--green);  color: var(--white); }
.btn-green:hover  { background: var(--green-lt); transform: translateY(-1px); }
.btn-red    { background: var(--red);    color: var(--white); }
.btn-red:hover    { opacity: 0.88; transform: translateY(-1px); }
.btn-orange { background: var(--orange); color: var(--white); }
.btn-orange:hover { opacity: 0.88; transform: translateY(-1px); }
.btn-outline {
  background: transparent; color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--green); color: var(--green-lt); }
.btn-lg { padding: 15px 32px; font-size: 1rem; border-radius: var(--radius); }
.btn-sm { padding: 8px 16px; font-size: 0.85rem; }

/* ════════════════════════ CARDS ════════════════════════ */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
  transition: border-color 0.2s;
}
.card:hover { border-color: rgba(0,106,78,0.4); }
.card-icon {
  width: 44px; height: 44px; border-radius: 10px;
  background: var(--green-dim); display: flex;
  align-items: center; justify-content: center;
  font-size: 1.3rem; margin-bottom: 16px;
  border: 1px solid rgba(0,106,78,0.2);
}

/* ════════════════════════ BADGES ════════════════════════ */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  border-radius: 20px; font-size: 0.75rem; font-weight: 500;
  padding: 4px 12px; border: 1px solid;
}
.badge-green { background: var(--green-dim); color: var(--green-lt); border-color: rgba(0,106,78,0.25); }
.badge-red   { background: var(--red-dim);   color: var(--red);      border-color: rgba(244,42,65,0.25); }
.badge-orange{ background: var(--orange-dim);color: var(--orange);   border-color: rgba(255,107,43,0.25); }
.badge-dot   { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* Inline label: plain, muted text used in place of rounded badge/pill UI */

/* Inline label: visible plain text on all pages */
.inline-label {
  position: relative;
  display: inline-block;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0;
  border: none;
  color: var(--white) !important;
  opacity: 1 !important;
  background-image: none !important;
  -webkit-text-fill-color: var(--white) !important;
  -webkit-background-clip: unset !important;
  background-clip: unset !important;
  transform: none !important;
  animation: none !important;
}

/* Disable fancy text-clip styling so labels are always plain white */
@supports (-webkit-background-clip: text) or (background-clip: text) {
  .inline-label {
    -webkit-background-clip: unset !important;
    background-clip: unset !important;
    -webkit-text-fill-color: var(--white) !important;
    background-image: none !important;
    opacity: 1 !important;
    animation: none !important;
  }
}

@supports not (-webkit-background-clip: text) {
  .inline-label {
    background-image: none !important;
    color: var(--white) !important;
    -webkit-text-fill-color: var(--white) !important;
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
  }
}

/* ════════════════════════ FORMS ════════════════════════ */
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 0.85rem; font-weight: 500; color: var(--muted); margin-bottom: 8px; letter-spacing: 0.03em; text-transform: uppercase; }
.form-input, .form-select, .form-textarea {
  width: 100%; background: var(--surface2); border: 1px solid var(--border);
  color: var(--text); font-family: 'DM Sans', sans-serif; font-size: 0.95rem;
  padding: 12px 16px; border-radius: var(--radius-sm);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--green); box-shadow: 0 0 0 3px rgba(0,106,78,0.15);
}
.form-textarea { resize: vertical; min-height: 120px; }

/* ════════════════════════ DIVIDER ════════════════════════ */
.divider {
  display: flex; align-items: center; gap: 12px;
  color: var(--muted); font-size: 0.78rem; margin: 24px 0;
}
.divider::before, .divider::after { content: ''; flex: 1; height: 1px; background: var(--border); }

/* ════════════════════════ HERO ACCENT ════════════════════════ */
.accent-green { color: var(--green-lt); }
.accent-red   { color: var(--red); }
.accent-orange{ color: var(--orange); }

/* ════════════════════════ FOOTER ════════════════════════ */
.footer {
  background: var(--bg2); border-top: 1px solid var(--border);
  padding: 48px 0 28px; position: relative; z-index: 1;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px;
}
.footer-logo { font-family: 'Syne', sans-serif; font-weight: 800; font-size: 1.1rem; margin-bottom: 10px; }
.footer-desc { color: var(--muted); font-size: 0.875rem; line-height: 1.7; max-width: 260px; }
.footer-col h4 { font-size: 0.78rem; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 14px; }
.footer-col a { display: block; color: var(--muted); font-size: 0.875rem; margin-bottom: 8px; transition: color 0.2s; }
.footer-col a:hover { color: var(--green-lt); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 24px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { color: var(--muted); font-size: 0.8rem; }

/* ════════════════════════ ANIMATIONS ════════════════════════ */
@keyframes fadeUp   { from { opacity:0; transform:translateY(24px); } to { opacity:1; transform:translateY(0); } }
@keyframes fadeIn   { from { opacity:0; } to { opacity:1; } }
@keyframes pulse    { 0%,100%{opacity:1;} 50%{opacity:0.5;} }
@keyframes shimmer  { from{background-position:-200% 0} to{background-position:200% 0} }
@keyframes float    { 0%,100%{transform:translateY(0);} 50%{transform:translateY(-10px);} }

.anim-up   { animation: fadeUp 0.55s ease both; }
.anim-in   { animation: fadeIn 0.4s ease both; }
.anim-d1   { animation-delay: 0.1s; }
.anim-d2   { animation-delay: 0.2s; }
.anim-d3   { animation-delay: 0.3s; }
.anim-d4   { animation-delay: 0.4s; }
.anim-d5   { animation-delay: 0.5s; }

/* ════════════════════════ UTILITIES ════════════════════════ */
.text-center  { text-align: center; }
.text-muted   { color: var(--muted); }
.mt-4  { margin-top: 16px; }
.mt-6  { margin-top: 24px; }
.mt-8  { margin-top: 32px; }
.mb-4  { margin-bottom: 16px; }
.mb-6  { margin-bottom: 24px; }
.mb-8  { margin-bottom: 32px; }
.gap-4 { gap: 16px; }
.flex  { display: flex; align-items: center; }
.flex-wrap { flex-wrap: wrap; }

/* ════════════════════════ RESPONSIVE ════════════════════════ */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-burger { display: flex; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .section { padding: 64px 0; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .container { padding: 0 16px; }
}

/* Ensure `.inline-label` shows green and remains visible on small screens */
@media (max-width: 480px) {
  .inline-label {
    background-image: none !important;
    -webkit-text-fill-color: var(--green-lt) !important;
    color: var(--green-lt) !important;
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
    -webkit-animation: none !important;
  }
}

/* Also ensure labels render solid green on small/medium screens */
@media (max-width: 900px) {
  .inline-label {
    background-image: none !important;
    -webkit-text-fill-color: var(--green-lt) !important;
    color: var(--green-lt) !important;
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
    -webkit-animation: none !important;
  }
}

/* Strong hero-specific override for mobile label visibility */
.hero .inline-label {
  color: var(--green-lt) !important;
  -webkit-text-fill-color: var(--green-lt) !important;
  background-image: none !important;
  -webkit-background-clip: unset !important;
  background-clip: unset !important;
  opacity: 1 !important;
  transform: none !important;
  animation: none !important;
  filter: drop-shadow(0 0 18px rgba(0,0,0,0.60));
}

/* ════════════════════════ IMAGE CONTAINERS ════════════════════════ */
/* Safe contained image wrappers — never break surrounding layout */

.ace-img-container {
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: var(--surface2);
  display: block;
  width: 100%;
  position: relative;
}
.ace-img-container img {
  width: 100%;
  height: auto;
  display: block;
  max-width: 100%;
  object-fit: cover;
}

/* Logo wrappers — constrain size, never overflow */
.ace-logo-img-wrap,
.ace-sof-logo-wrap {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  max-width: 100%;
}
.ace-logo-img-wrap img,
.ace-sof-logo-wrap img {
  max-width: 100%;
  object-fit: contain;
  display: block;
}

/* Inline icon wrapper — matches emoji sizing behaviour */
.ace-icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  vertical-align: middle;
  line-height: 1;
}
.ace-icon-wrap img {
  object-fit: contain;
  display: block;
}

/* Gallery grid responsive fallback */
.ace-gallery {
  width: 100%;
}
@media (max-width: 600px) {
  .ace-gallery {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}
@media (max-width: 380px) {
  .ace-gallery {
    grid-template-columns: 1fr !important;
  }
}
