/* Premium SaaS-style CSS for Student Support Portal
   - Place this file at: styles/premium.css
   - Designed mobile-first, responsive, modern UI
*/

:root{
  /* Color palette */
  /* Brand colors (defaults) - update these to match your university logo */
  --brand-primary: #000000; /* University primary (default) */
  --brand-secondary: #307040; /* University secondary / success (default) */
  --brand-accent: #406040; /* University accent / warning (default) */

  --color-primary: var(--brand-primary); /* Primary Blue */
  --color-dark: #0F172A;    /* Dark Blue */
  --color-white: #FFFFFF;   /* White */
  --color-gray-100: #F8FAFC;/* Light Gray Sections */
  --color-success: var(--brand-secondary); /* Success Green */
  --color-warning: var(--brand-accent); /* Warning Orange */

  /* Semantic */
  --bg-page: var(--color-white);
  --text-default: #0f172a;
  --muted: #64748b;

  /* Spacing & radius */
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --radius-md: 16px;
  --radius-lg: 22px;

  /* Shadows */
  --shadow-soft: 0 10px 30px rgba(2,6,23,0.08);
  --shadow-elev: 0 18px 45px rgba(2,6,23,0.10);
  --shadow-glow: 0 10px 40px rgba(79,70,229,0.12);

  /* Typography */
  --font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  --fs-hero: clamp(2rem, 5.2vw, 3.5rem);
  --fs-lead: clamp(1rem, 2.2vw, 1.125rem);

  /* Buttons */
  --btn-radius: 14px;

  /* Breakpoints (mobile-first) */
  --bp-sm: 640px;
  --bp-md: 900px;
  --bp-lg: 1200px;

  /* Utility */
  --container-max: 1200px;

  /* Hero background placeholder (override inline or via CSS variable) */
  --hero-bg: url('../images.jfif');
}

/* Brand helper classes */
.brand-bg{background:var(--brand-primary);color:var(--color-white)}
.brand-gradient{background:linear-gradient(90deg,var(--brand-primary),#7c3aed)}
.text-brand{color:var(--brand-primary)}
.border-brand{border-color:rgba(79,70,229,0.12)}

/* Global base */
*{box-sizing:border-box}
html,body{height:100%}
body{
  font-family:var(--font-sans);
  margin:0;
  background:var(--bg-page);
  color:var(--text-default);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.4;
}

/* Container */
.container{
  width:100%;
  margin-left:auto;
  margin-right:auto;
  padding-left:1rem;
  padding-right:1rem;
  max-width:var(--container-max);
}

/* Utility helpers */
.u-center{display:flex;align-items:center;justify-content:center}
.u-stack{display:flex;flex-direction:column;gap:var(--space-4)}
.u-row{display:flex;align-items:center;gap:var(--space-4)}
.rounded-lg{border-radius:var(--radius-lg)}
.rounded-md{border-radius:var(--radius-md)}
.glass{
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.4);
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:0.6rem 1.05rem;
  border-radius:var(--btn-radius);
  font-weight:600;
  cursor:pointer;
  border:0;
  transition:transform .18s ease, box-shadow .18s ease, opacity .12s ease;
}
.btn:active{transform:translateY(1px)}

.btn-primary{
  background: linear-gradient(90deg, var(--color-primary), #7c3aed 110%);
  color:var(--color-white);
  box-shadow:var(--shadow-glow);
}

.btn-ghost{
  background:transparent;
  border:1px solid rgba(15,23,42,0.06);
  color:var(--color-dark);
}

.btn-outline{
  background:transparent;
  border:1px solid rgba(15,23,42,0.06);
  color:var(--color-primary);
}

.btn:hover{transform:translateY(-3px)}

/* Navbar */
.navbar{
  position:sticky;top:0;z-index:60;
  background:var(--color-white);
  box-shadow: 0 4px 18px rgba(2,6,23,0.06);
  border-bottom: 1px solid rgba(15,23,42,0.04);
}
.navbar-inner{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:0.6rem 1rem;
}
.nav-brand{display:flex;align-items:center;gap:0.75rem}
.nav-brand .logo{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,var(--color-primary),#6d28d9);color:white;display:flex;align-items:center;justify-content:center;font-weight:800}
.nav-links{display:none}
.nav-links a{padding:10px 12px;border-radius:12px;color:var(--muted);text-decoration:none;position:relative}
.nav-links a:hover{color:var(--color-primary)}

/* active indicator */
.nav-links a.active::after{
  content:'';position:absolute;left:12px;right:12px;bottom:-8px;height:3px;border-radius:999px;background:linear-gradient(90deg,var(--color-primary),#60a5fa);
}

/* show links on larger screens */
@media (min-width:var(--bp-sm)){
  .nav-links{display:flex;align-items:center;gap:8px}
}

/* Hero */
.hero{
  position:relative;overflow:hidden;color:var(--color-white);
}
.hero .hero-bg{
  position:absolute;inset:0;background-position:center;background-size:cover;filter:contrast(.98) saturate(.98);
  z-index:0;
  background-image: linear-gradient(rgba(2,6,23,0.6), rgba(2,6,23,0.55)), var(--hero-bg);
}
.hero .hero-container{position:relative;z-index:2;padding:3rem 1rem;display:grid;gap:1.5rem}
.hero .hero-content{max-width:760px}
.hero h1{font-size:var(--fs-hero);margin:0 0 0.75rem 0;line-height:1.02;font-weight:800}
.hero p.lead{font-size:var(--fs-lead);color:rgba(255,255,255,0.9);margin:0 0 1.25rem}

/* Right side card */
.hero-card{
  background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(255,255,255,0.90));
  border-radius:22px;
  padding:18px;
  box-shadow:var(--shadow-elev);
  color:var(--color-dark);
  width:100%;
}
.hero-card .card-row{display:flex;flex-direction:column;gap:12px}

/* Service cards inside hero */
.service-mini{
  display:flex;align-items:center;gap:12px;padding:12px;border-radius:14px;background:var(--color-white);box-shadow:var(--shadow-soft);transition:transform .22s ease,box-shadow .22s ease;
}
.service-mini:hover{transform:translateY(-6px);box-shadow:var(--shadow-elev)}
.service-mini .icon{
  width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--color-white);font-weight:700;background:linear-gradient(90deg,var(--color-primary),#7c3aed);
}

/* Cards grid (services) */
.cards-grid{display:grid;grid-template-columns:1fr;gap:1rem}
@media (min-width:var(--bp-md)){
  .cards-grid{grid-template-columns:repeat(3,1fr)}
}
.card{
  background:var(--color-white);
  border-radius:20px;
  padding:18px;
  box-shadow:var(--shadow-soft);
  transition:transform .2s ease,box-shadow .2s ease;
  border:1px solid rgba(2,6,23,0.03);
}
.card:hover{transform:translateY(-8px);box-shadow:0 22px 50px rgba(2,6,23,0.10)}
.card .card-icon{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg, rgba(79,70,229,0.12), rgba(79,70,229,0.04));color:var(--color-primary);font-weight:700}
.card h3{margin:8px 0 0 0;font-size:1.05rem}
.card p{margin:8px 0 0 0;color:var(--muted);font-size:0.95rem}

/* Statistics */
.stats-grid{display:grid;grid-template-columns:1fr;gap:1rem}
@media (min-width:var(--bp-md)){
  .stats-grid{grid-template-columns:repeat(4,1fr)}
}
.stat-card{background:linear-gradient(90deg, rgba(79,70,229,0.06), rgba(96,165,250,0.02));border-radius:16px;padding:18px;box-shadow:var(--shadow-soft);display:flex;flex-direction:column;gap:8px}
.stat-card .num{font-size:1.6rem;font-weight:800;color:var(--color-primary)}
.stat-card p{margin:0;color:var(--muted);font-weight:600}

/* Announcements */
.announcement-list{display:flex;flex-direction:column;gap:12px}
.announcement{
  display:flex;align-items:center;justify-content:space-between;padding:12px;border-radius:14px;background:var(--color-white);box-shadow:var(--shadow-soft);transition:transform .18s ease;
}
.announcement:hover{transform:translateY(-6px)}
.announcement .left{display:flex;align-items:center;gap:12px}
.announcement .left .dot{width:44px;height:44px;border-radius:10px;background:linear-gradient(90deg,var(--color-primary),#60a5fa);color:white;display:flex;align-items:center;justify-content:center}
.announcement .date{color:var(--muted);font-size:0.92rem}

/* Resources */
.resources{display:grid;gap:10px}
.resource-item{display:flex;align-items:center;justify-content:space-between;padding:12px;border-radius:12px;background:var(--color-white);box-shadow:var(--shadow-soft);transition:transform .16s ease}
.resource-item:hover{transform:translateY(-6px)}
.resource-item .title{display:flex;align-items:center;gap:12px}
.resource-item .arrow{transition:transform .18s ease}
.resource-item:hover .arrow{transform:translateX(6px)}

/* Community Banner */
.community{
  border-radius:20px;
  padding:18px;
  color:var(--color-white);
  background:linear-gradient(135deg, rgba(79,70,229,0.95) 0%, rgba(16,185,129,0.85) 100%);
  box-shadow:0 16px 50px rgba(79,70,229,0.18);
  overflow:hidden;position:relative;display:flex;align-items:center;gap:18px;
}
.community .illustration{width:48%;min-height:160px;background:linear-gradient(180deg,rgba(255,255,255,0.06),transparent);border-radius:12px;box-shadow:inset 0 -6px 18px rgba(0,0,0,0.06)}

/* Floating animation for decorative elements */
@keyframes floaty {
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-10px)}
}
.levitate{animation:floaty 6s ease-in-out infinite}

/* CTA subtle entrance */
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.fade-up{animation:fadeUp .6s ease both}

/* Footer */
.site-footer{background:var(--color-dark);color:var(--color-white);padding:28px 16px}
.site-footer a{color:rgba(255,255,255,0.9);text-decoration:none}
.site-footer .social a{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,0.03);margin-right:8px}

/* Utility small */
.kicker{font-size:0.85rem;font-weight:700;color:var(--color-primary);letter-spacing:0.06em}
.lead{font-size:var(--fs-lead);color:var(--muted)}

/* Accessibility & Motion */
@media (prefers-reduced-motion: reduce){
  .levitate,.fade-up,.btn{animation:none;transition:none}
}

/* Responsive adjustments */
@media (min-width:var(--bp-sm)){
  .hero .hero-container{padding:4rem 1rem}
}
@media (min-width:var(--bp-md)){
  .hero{display:block}
  .hero .hero-container{display:grid;grid-template-columns:1fr 420px;align-items:center;gap:2rem;padding:4rem 0}
  .hero-card{width:420px}
}
@media (min-width:var(--bp-lg)){
  .hero .hero-container{grid-template-columns:1.1fr .8fr;padding:6rem 0}
}

/* Small helpers for borders and dividers */
.divider{height:1px;background:linear-gradient(90deg, rgba(2,6,23,0.03), rgba(2,6,23,0.01));margin:12px 0;border-radius:2px}

/* end of styles */