/* =========================================
   MERCURI-I — IIM Indore Marketing Club CSS
   ========================================= */

:root {
  --mi-primary: #1a237e;       /* Deep IIM blue */
  --mi-accent: #e53935;        /* Bold red accent */
  --mi-gold: #f9a825;          /* Gold highlight */
  --mi-dark: #0d1117;
  --mi-text: #1c1c2e;
  --mi-muted: #6b7280;
  --mi-bg: #f8f9fc;
  --mi-white: #ffffff;
  --mi-card-bg: #ffffff;
  --mi-border: #e5e7eb;
  --mi-radius: 12px;
  --mi-radius-sm: 8px;
  --mi-shadow: 0 4px 24px rgba(26,35,126,0.08);
  --mi-shadow-hover: 0 8px 40px rgba(26,35,126,0.16);
  --mi-font: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --mi-transition: 0.22s ease;
}

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

body {
  font-family: var(--mi-font);
  color: var(--mi-text);
  background: var(--mi-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* ---- NAV ---- */
.mi-nav {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 2rem;
  height: 64px;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--mi-border);
  box-shadow: 0 1px 8px rgba(0,0,0,0.06);
}
.mi-brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 1.1rem; color: var(--mi-primary);
}
.mi-logo-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 9px;
  background: linear-gradient(135deg, var(--mi-primary) 60%, var(--mi-accent));
  color: white; font-weight: 900; font-size: 1rem; letter-spacing: -1px;
}
.mi-nav-links { display: flex; gap: 2rem; }
.mi-nav-links a {
  font-size: 0.9rem; font-weight: 500; color: var(--mi-muted);
  transition: color var(--mi-transition);
}
.mi-nav-links a:hover { color: var(--mi-primary); }
.mi-hamburger {
  display: none; background: none; border: none;
  font-size: 1.4rem; color: var(--mi-primary); cursor: pointer;
}
.mi-mobile-menu {
  display: none; flex-direction: column;
  position: fixed; top: 64px; left: 0; right: 0; z-index: 99;
  background: white; border-bottom: 1px solid var(--mi-border);
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}
.mi-mobile-menu.open { display: flex; }
.mi-mobile-menu a {
  padding: 1rem 2rem; font-weight: 500; border-bottom: 1px solid var(--mi-border);
  color: var(--mi-text);
}
.mi-mobile-menu a:hover { background: var(--mi-bg); }

/* ---- HERO ---- */
.mi-hero {
  min-height: 88vh;
  background: linear-gradient(135deg, var(--mi-primary) 0%, #283593 60%, #1a237e 100%);
  display: flex; align-items: center; justify-content: space-between;
  padding: 5rem 4rem 4rem;
  position: relative; overflow: hidden;
}
.mi-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(229,57,53,0.15) 0%, transparent 60%),
              radial-gradient(ellipse at 10% 80%, rgba(249,168,37,0.1) 0%, transparent 50%);
  pointer-events: none;
}
.mi-hero-inner { max-width: 680px; position: relative; z-index: 1; }
.mi-eyebrow {
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--mi-gold); margin-bottom: 1rem;
}
.mi-hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800; line-height: 1.1; color: white;
  margin-bottom: 1.25rem;
}
.mi-accent { color: var(--mi-gold); }
.mi-lede {
  font-size: 1.1rem; color: rgba(255,255,255,0.8);
  max-width: 520px; margin-bottom: 2rem; line-height: 1.7;
}
.mi-hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ---- BUTTONS ---- */
.mi-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 0.75rem 1.5rem; border-radius: 8px;
  font-size: 0.9rem; font-weight: 600;
  cursor: pointer; border: 2px solid transparent;
  transition: all var(--mi-transition);
  white-space: nowrap;
}
.mi-btn-primary {
  background: var(--mi-accent); color: white; border-color: var(--mi-accent);
}
.mi-btn-primary:hover { background: #c62828; border-color: #c62828; transform: translateY(-1px); }
.mi-btn-ghost {
  background: transparent; color: white; border-color: rgba(255,255,255,0.5);
}
.mi-btn-ghost:hover { background: rgba(255,255,255,0.1); border-color: white; }
.mi-btn-ghost-light {
  background: transparent; color: white; border-color: rgba(255,255,255,0.4);
}
.mi-btn-ghost-light:hover { background: rgba(255,255,255,0.15); border-color: white; }
.mi-btn-sm { padding: 0.5rem 1rem; font-size: 0.8rem; }
.mi-btn-outline {
  background: transparent; color: var(--mi-primary); border-color: var(--mi-primary);
}
.mi-btn-outline:hover { background: var(--mi-primary); color: white; }

/* Hero badge */
.mi-hero-badge {
  position: relative; z-index: 1;
  display: flex; align-items: center; justify-content: center;
}
.mi-badge-ring {
  width: 200px; height: 200px; border-radius: 50%;
  background: rgba(255,255,255,0.08);
  border: 2px solid rgba(255,255,255,0.2);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  color: white; text-align: center;
  font-size: 1.8rem; font-weight: 900;
  letter-spacing: -1px;
}
.mi-badge-sub { font-size: 0.75rem; font-weight: 400; opacity: 0.7; margin-top: 4px; letter-spacing: 0.05em; }

/* ---- STATS STRIP ---- */
.mi-stats-strip {
  display: flex; justify-content: center; flex-wrap: wrap; gap: 0;
  background: var(--mi-primary); color: white;
}
.mi-stat {
  display: flex; flex-direction: column; align-items: center;
  padding: 1.5rem 3rem; border-right: 1px solid rgba(255,255,255,0.1);
  min-width: 160px;
}
.mi-stat:last-child { border-right: none; }
.mi-stat-num { font-size: 2rem; font-weight: 800; color: var(--mi-gold); }
.mi-stat-label { font-size: 0.78rem; opacity: 0.8; margin-top: 2px; text-align: center; }

/* ---- SECTIONS ---- */
.mi-section { padding: 5rem 0; }
.mi-section-dark { background: var(--mi-dark); }
.mi-section-alt { background: #f1f4fd; }
.mi-container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }
.mi-section-header { text-align: center; margin-bottom: 3rem; }
.mi-section-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800; color: var(--mi-text); margin: 0.5rem 0;
}
.mi-section-header p { color: var(--mi-muted); max-width: 500px; margin: 0 auto; }
.mi-section-header-light h2 { color: white; }
.mi-section-header-light p { color: rgba(255,255,255,0.65); }

.mi-section-tag {
  display: inline-block;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--mi-accent);
  background: rgba(229,57,53,0.1);
  padding: 4px 12px; border-radius: 20px; margin-bottom: 0.75rem;
}
.mi-tag-light { color: var(--mi-gold); background: rgba(249,168,37,0.15); }

/* ---- EVENTS TABS ---- */
.mi-events-tabs {
  display: flex; gap: 8px; margin-bottom: 2rem; justify-content: center;
}
.mi-tab {
  padding: 0.6rem 1.5rem; border-radius: 30px;
  border: 2px solid var(--mi-border); background: white;
  font-size: 0.85rem; font-weight: 600; color: var(--mi-muted);
  cursor: pointer; transition: all var(--mi-transition);
}
.mi-tab.active {
  background: var(--mi-primary); border-color: var(--mi-primary); color: white;
}
.mi-tab-content { display: none; }
.mi-tab-content.active { display: block; }

/* ---- EVENTS GRID ---- */
.mi-events-grid {
  display: grid; gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}
.mi-event-card {
  background: white; border-radius: var(--mi-radius);
  box-shadow: var(--mi-shadow); padding: 1.75rem;
  display: flex; gap: 1.25rem; align-items: flex-start;
  border: 1px solid var(--mi-border);
  transition: box-shadow var(--mi-transition), transform var(--mi-transition);
  position: relative; overflow: hidden;
}
.mi-event-card:hover { box-shadow: var(--mi-shadow-hover); transform: translateY(-2px); }
.mi-event-featured {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, #e8eaf6 0%, white 100%);
  border-color: var(--mi-primary);
}
.mi-event-badge {
  position: absolute; top: 1rem; right: 1rem;
  background: var(--mi-accent); color: white;
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; padding: 3px 10px; border-radius: 20px;
}
.mi-event-date-block {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  min-width: 56px; padding: 0.5rem;
  background: var(--mi-primary); border-radius: var(--mi-radius-sm);
  color: white; text-align: center;
}
.mi-event-day { font-size: 1.6rem; font-weight: 900; line-height: 1; }
.mi-event-month { font-size: 0.7rem; font-weight: 600; text-transform: uppercase; opacity: 0.85; }
.mi-past-date { background: var(--mi-muted); }
.mi-event-body { flex: 1; }
.mi-event-type {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--mi-accent); margin-bottom: 4px;
}
.mi-event-title { font-size: 1rem; font-weight: 700; color: var(--mi-text); margin: 4px 0 8px; }
.mi-event-desc { font-size: 0.875rem; color: var(--mi-muted); line-height: 1.5; margin-bottom: 12px; }
.mi-event-meta { display: flex; flex-wrap: wrap; gap: 1rem; font-size: 0.8rem; color: var(--mi-muted); margin-bottom: 1rem; }
.mi-past-card { opacity: 0.82; }

/* ---- NEWS GRID ---- */
.mi-news-grid {
  display: grid; gap: 1.5rem;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}
.mi-news-grid-full { grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }
.mi-news-card {
  background: rgba(255,255,255,0.06); border-radius: var(--mi-radius);
  padding: 1.5rem; border: 1px solid rgba(255,255,255,0.1);
  transition: all var(--mi-transition);
  display: flex; flex-direction: column; gap: 0.5rem;
}
.mi-section-dark .mi-news-card { background: rgba(255,255,255,0.05); }
.mi-section .mi-news-card {
  background: white; border-color: var(--mi-border);
  box-shadow: var(--mi-shadow);
}
.mi-news-card:hover { transform: translateY(-2px); box-shadow: var(--mi-shadow-hover); }
.mi-news-tag {
  display: inline-block;
  font-size: 0.67rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; padding: 3px 10px; border-radius: 20px;
  background: rgba(249,168,37,0.2); color: var(--mi-gold);
  width: fit-content;
}
.mi-section .mi-news-tag { background: rgba(229,57,53,0.1); color: var(--mi-accent); }
.mi-news-title {
  font-size: 0.975rem; font-weight: 700; color: white; line-height: 1.4;
}
.mi-section .mi-news-title { color: var(--mi-text); }
.mi-news-excerpt { font-size: 0.85rem; color: rgba(255,255,255,0.6); line-height: 1.6; flex: 1; }
.mi-section .mi-news-excerpt { color: var(--mi-muted); }
.mi-news-footer { display: flex; justify-content: space-between; align-items: center; margin-top: auto; padding-top: 8px; }
.mi-news-date { font-size: 0.75rem; color: rgba(255,255,255,0.4); }
.mi-section .mi-news-date { color: var(--mi-muted); }
.mi-news-link { font-size: 0.8rem; font-weight: 600; color: var(--mi-gold); }
.mi-section .mi-news-link { color: var(--mi-accent); }
.mi-news-cta { text-align: center; margin-top: 2.5rem; }

/* ---- FILTERS ---- */
.mi-news-filters {
  display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 2rem; justify-content: center;
}
.mi-filter-btn {
  padding: 0.45rem 1.1rem; border-radius: 30px;
  border: 2px solid var(--mi-border); background: white;
  font-size: 0.8rem; font-weight: 600; color: var(--mi-muted);
  cursor: pointer; transition: all var(--mi-transition);
}
.mi-filter-btn.active { background: var(--mi-primary); border-color: var(--mi-primary); color: white; }
.mi-filter-btn:hover:not(.active) { border-color: var(--mi-primary); color: var(--mi-primary); }

/* ---- ABOUT ---- */
.mi-about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center;
}
.mi-about-text h2 {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem); font-weight: 800; margin: 0.5rem 0 1rem;
}
.mi-about-text p { color: var(--mi-muted); margin-bottom: 1rem; line-height: 1.7; }
.mi-about-list { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; margin-top: 1.25rem; }
.mi-about-list li { font-size: 0.9rem; color: var(--mi-text); }
.mi-about-visual { display: flex; flex-direction: column; gap: 1rem; }
.mi-about-card {
  background: white; border-radius: var(--mi-radius); padding: 1.5rem;
  box-shadow: var(--mi-shadow); border: 1px solid var(--mi-border);
}
.mi-about-card-accent {
  background: linear-gradient(135deg, var(--mi-primary), #283593); color: white;
  border-color: transparent;
}
.mi-about-card-accent h4 { color: white; }
.mi-about-card-accent p { color: rgba(255,255,255,0.75); }
.mi-about-icon { font-size: 1.5rem; margin-bottom: 0.5rem; }
.mi-about-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: 0.4rem; }
.mi-about-card p { font-size: 0.875rem; color: var(--mi-muted); line-height: 1.6; }

/* ---- CONTACT ---- */
.mi-contact-wrap .mi-section-header { margin-bottom: 2.5rem; }
.mi-contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.mi-form { display: flex; flex-direction: column; gap: 1rem; }
.mi-form-row { display: flex; flex-direction: column; gap: 4px; }
.mi-form-row label { font-size: 0.82rem; font-weight: 600; color: var(--mi-text); }
.mi-form-row input,
.mi-form-row textarea {
  padding: 0.7rem 1rem; border-radius: var(--mi-radius-sm);
  border: 1.5px solid var(--mi-border); background: white;
  font-size: 0.9rem; font-family: var(--mi-font);
  transition: border-color var(--mi-transition);
}
.mi-form-row input:focus,
.mi-form-row textarea:focus {
  outline: none; border-color: var(--mi-primary);
  box-shadow: 0 0 0 3px rgba(26,35,126,0.08);
}
.mi-form-thanks {
  background: #e8f5e9; color: #2e7d32; padding: 0.75rem 1rem;
  border-radius: var(--mi-radius-sm); font-size: 0.875rem; font-weight: 600;
}
.mi-contact-info { display: flex; flex-direction: column; gap: 1.5rem; }
.mi-contact-item { display: flex; gap: 1rem; align-items: flex-start; }
.mi-contact-icon { font-size: 1.4rem; margin-top: 2px; }
.mi-contact-item strong { display: block; font-size: 0.85rem; margin-bottom: 4px; }
.mi-contact-item p { font-size: 0.875rem; color: var(--mi-muted); }
.mi-contact-item a { color: var(--mi-primary); text-decoration: underline; }
.mi-social-links { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 6px; }
.mi-social-btn {
  font-size: 0.75rem; font-weight: 600; padding: 4px 12px; border-radius: 20px;
  border: 1.5px solid var(--mi-border); color: var(--mi-text);
  transition: all var(--mi-transition);
}
.mi-social-btn:hover { background: var(--mi-primary); border-color: var(--mi-primary); color: white; }

/* ---- PAGE HERO (inner pages) ---- */
.mi-page-hero {
  background: linear-gradient(135deg, var(--mi-primary), #283593);
  padding: 4rem 0 3rem; text-align: center; color: white;
}
.mi-page-hero h1 { font-size: 2.5rem; font-weight: 800; margin: 0.5rem 0; }
.mi-page-hero p { color: rgba(255,255,255,0.75); max-width: 500px; margin: 0 auto; }

/* ---- ADMIN PAGE ---- */
.mi-admin-wrap {
  max-width: 760px; margin: 0 auto; padding: 3rem 2rem;
}
.mi-admin-header { margin-bottom: 2rem; }
.mi-admin-header h1 { font-size: 1.8rem; font-weight: 800; color: var(--mi-primary); }
.mi-admin-header p { color: var(--mi-muted); font-size: 0.9rem; margin-top: 4px; }
.mi-admin-card {
  background: white; border-radius: var(--mi-radius); padding: 2rem;
  box-shadow: var(--mi-shadow); border: 1px solid var(--mi-border);
  margin-bottom: 2rem;
}
.mi-admin-card h2 { font-size: 1.1rem; font-weight: 700; margin-bottom: 1.25rem; color: var(--mi-primary); }
.mi-admin-form { display: flex; flex-direction: column; gap: 1rem; }
.mi-admin-form label { font-size: 0.82rem; font-weight: 600; color: var(--mi-text); display: block; margin-bottom: 4px; }
.mi-admin-form input,
.mi-admin-form textarea,
.mi-admin-form select {
  width: 100%; padding: 0.7rem 1rem; border-radius: var(--mi-radius-sm);
  border: 1.5px solid var(--mi-border); background: white;
  font-size: 0.9rem; font-family: var(--mi-font);
  transition: border-color var(--mi-transition);
}
.mi-admin-form input:focus,
.mi-admin-form textarea:focus,
.mi-admin-form select:focus {
  outline: none; border-color: var(--mi-primary);
}
.mi-code-box {
  background: #1e1e2e; border-radius: var(--mi-radius-sm);
  padding: 1.25rem; font-family: 'Courier New', monospace; font-size: 0.82rem;
  color: #cdd6f4; overflow-x: auto; white-space: pre; line-height: 1.6;
  border: 1px solid rgba(255,255,255,0.08);
}
.mi-code-copy {
  display: inline-block; margin-top: 0.75rem; font-size: 0.8rem;
  cursor: pointer; padding: 0.4rem 1rem; border-radius: 6px;
  background: var(--mi-primary); color: white; border: none; font-weight: 600;
  transition: background var(--mi-transition);
}
.mi-code-copy:hover { background: #283593; }
.mi-helper-text { font-size: 0.82rem; color: var(--mi-muted); margin-top: 4px; }
.mi-step { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 0.75rem; }
.mi-step-num {
  min-width: 26px; height: 26px; border-radius: 50%; background: var(--mi-primary);
  color: white; font-size: 0.75rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.mi-step p { font-size: 0.875rem; color: var(--mi-text); line-height: 1.5; }
.mi-step code { background: #f1f4fd; padding: 1px 6px; border-radius: 4px; font-size: 0.8rem; }

/* ---- FOOTER ---- */
.mi-footer {
  background: var(--mi-dark); color: rgba(255,255,255,0.7);
  padding: 2.5rem 0 0;
}
.mi-footer-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 2rem 2rem;
  display: flex; flex-direction: column; align-items: center; gap: 1.25rem; text-align: center;
}
.mi-footer-brand { display: flex; align-items: center; gap: 10px; font-size: 0.95rem; color: white; }
.mi-footer-links { display: flex; gap: 2rem; flex-wrap: wrap; justify-content: center; }
.mi-footer-links a { font-size: 0.85rem; opacity: 0.7; transition: opacity var(--mi-transition); }
.mi-footer-links a:hover { opacity: 1; }
.mi-footer-copy { font-size: 0.75rem; opacity: 0.45; }

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .mi-nav-links { display: none; }
  .mi-hamburger { display: block; }
  .mi-hero { flex-direction: column; padding: 4rem 2rem 3rem; gap: 2rem; text-align: center; }
  .mi-hero-cta { justify-content: center; }
  .mi-hero-badge { display: none; }
  .mi-about-grid { grid-template-columns: 1fr; gap: 2rem; }
  .mi-contact-grid { grid-template-columns: 1fr; gap: 2rem; }
}
@media (max-width: 600px) {
  .mi-section { padding: 3rem 0; }
  .mi-stat { padding: 1.25rem 1.5rem; }
  .mi-event-card { flex-direction: column; }
  .mi-event-featured { grid-column: auto; }
}