/* =============================================
   main.css — Diamond Education
   All styles for the site
   ============================================= */

/* ---- Reset & Variables ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

:root {
  --primary:       #0d4a2a;
  --primary-light: #1a6b3c;
  --accent:        #c9a227;
  --accent-light:  #e0b83a;
  --white:         #ffffff;
  --gray-light:    #f5f7fa;
  --gray:          #e0e4ec;
  --gray-dark:     #6b7280;
  --text:          #1f2937;
  --text-light:    #4b5563;
  --border:        #d1d5db;
  --shadow:        0 4px 24px rgba(13,74,42,0.12);
  --radius:        12px;
  --transition:    0.3s ease;
  --font:          'Segoe UI', Arial, sans-serif;
}

body  { font-family: var(--font); color: var(--text); background: var(--white); line-height: 1.6; overflow-x: hidden; }
a     { text-decoration: none; color: inherit; transition: color var(--transition); }
img   { max-width: 100%; display: block; }
ul    { list-style: none; }

.container   { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.text-center { text-align: center; }
.section     { padding: 80px 0; }
.section-alt { background: var(--gray-light); }

.section-title {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 800;
  color: var(--primary);
  text-align: center;
  margin-bottom: 50px;
}
.section-title::after {
  content: '';
  display: block;
  width: 60px; height: 4px;
  background: var(--accent);
  border-radius: 2px;
  margin: 12px auto 0;
}

.btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 30px; border-radius: 8px; font-size: 15px; font-weight: 700; cursor: pointer; transition: all var(--transition); border: none; font-family: var(--font); }
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-light); color: var(--white); }
.btn-accent  { background: var(--accent); color: var(--white); }
.btn-accent:hover { background: var(--accent-light); }
.btn-outline { border: 2px solid var(--primary); color: var(--primary); background: transparent; }
.btn-outline:hover { background: var(--primary); color: var(--white); }

/* ---- Top Bar ---- */
.top-bar { background: var(--primary); color: var(--white); padding: 8px 0; font-size: 13px; }
.top-bar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.top-bar-social { display: flex; gap: 14px; align-items: center; }
.top-bar-social a { color: var(--white); opacity: .8; font-size: 15px; }
.top-bar-social a:hover { opacity: 1; color: var(--accent-light); }
.top-bar-right { display: flex; gap: 18px; align-items: center; }
.top-bar-right a { color: var(--white); font-size: 13px; }
.top-bar-right a:hover { color: var(--accent-light); }

/* ---- Language Selector ---- */
.lang-selector { position: relative; }
.lang-btn {
  display: flex; align-items: center; gap: 6px;
  background: rgba(255,255,255,.15);
  border-radius: 20px; padding: 5px 13px;
  cursor: pointer; font-size: 13px; color: var(--white);
  border: none; font-family: var(--font);
  transition: background var(--transition);
}
.lang-btn:hover { background: rgba(255,255,255,.25); }
.lang-btn i { font-size: 11px; }
.lang-dropdown {
  position: absolute; top: calc(100% + 8px); right: 0;
  background: var(--white); border-radius: 10px;
  box-shadow: 0 8px 30px rgba(0,0,0,.18);
  min-width: 160px; padding: 6px 0;
  opacity: 0; pointer-events: none; transform: translateY(6px);
  transition: all .25s; z-index: 2001;
}
.lang-selector.open .lang-dropdown { opacity: 1; pointer-events: all; transform: translateY(0); }
.lang-dropdown button {
  display: flex; align-items: center; gap: 9px;
  width: 100%; padding: 9px 16px;
  background: none; border: none; cursor: pointer;
  font-size: 14px; color: var(--text);
  font-family: var(--font); text-align: left;
  transition: background var(--transition);
}
.lang-dropdown button:hover { background: var(--gray-light); }
.lang-dropdown button.active { color: var(--primary); font-weight: 700; }

/* ---- Navbar ---- */
.navbar { background: var(--primary); position: sticky; top: 0; z-index: 1000; box-shadow: 0 2px 16px rgba(13,74,42,.2); }
.navbar .container { display: flex; align-items: center; justify-content: space-between; height: 90px; }
.navbar-logo img { height: 90px; mix-blend-mode: lighten; border-radius: 0; }
.navbar-menu { display: flex; gap: 30px; align-items: center; }
.navbar-menu > li { position: relative; }
.navbar-menu > li > a { color: var(--white); font-size: 15px; font-weight: 500; padding: 8px 2px; display: flex; align-items: center; gap: 5px; border-bottom: 2px solid transparent; transition: border-color .3s, color .3s; }
.navbar-menu > li > a:hover, .navbar-menu > li > a.active { border-color: var(--accent); color: var(--accent-light); }
.dropdown { position: absolute; top: calc(100% + 8px); left: 0; background: var(--white); min-width: 280px; border-radius: var(--radius); box-shadow: var(--shadow); padding: 8px 0; opacity: 0; pointer-events: none; transform: translateY(8px); transition: all .3s; z-index: 100; }
.navbar-menu > li:hover .dropdown { opacity: 1; pointer-events: all; transform: translateY(0); }
.dropdown a { display: block; padding: 10px 20px; color: var(--text); font-size: 14px; }
.dropdown a:hover { background: var(--gray-light); color: var(--primary); }
.hamburger { display: none; background: none; border: none; cursor: pointer; color: var(--white); font-size: 26px; }

/* ---- Mobile Nav ---- */
.mobile-nav { display: none; position: fixed; inset: 0; background: var(--primary); z-index: 2000; flex-direction: column; padding: 24px; overflow-y: auto; }
.mobile-nav.open { display: flex; }
.mobile-close { align-self: flex-end; background: none; border: none; color: var(--white); font-size: 28px; cursor: pointer; margin-bottom: 24px; }
.mobile-nav a { color: var(--white); font-size: 18px; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.12); font-weight: 500; display: block; }

/* ---- Hero ---- */
.hero { background: linear-gradient(135deg, var(--primary) 60%, var(--primary-light) 100%); color: var(--white); padding: 90px 0 70px; position: relative; overflow: hidden; }
.hero .container { position: relative; z-index: 1; }
.hero-content { max-width: 700px; }
.hero h1 { font-size: clamp(1.8rem, 4vw, 2.9rem); font-weight: 800; line-height: 1.2; margin-bottom: 16px; }
.hero-sub { font-size: 17px; opacity: .9; margin-bottom: 36px; }

/* ---- Search Wizard ---- */
.search-box { background: var(--white); border-radius: 14px; padding: 28px 24px; box-shadow: var(--shadow); }
.search-box-title { color: var(--primary); font-size: 17px; font-weight: 700; margin-bottom: 20px; }
.steps-indicator { display: flex; align-items: center; gap: 0; margin-bottom: 24px; }
.step-dot { width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 700; border: 2px solid var(--border); color: var(--gray-dark); background: var(--white); transition: all .3s; flex-shrink: 0; }
.step-dot.active { border-color: var(--primary); background: var(--primary); color: var(--white); }
.step-dot.done { border-color: var(--accent); background: var(--accent); color: var(--white); }
.step-line { flex: 1; height: 3px; background: var(--border); transition: background .3s; }
.step-line.done { background: var(--accent); }
.s-field { display: flex; flex-direction: column; gap: 8px; opacity: 0; max-height: 0; overflow: hidden; transition: all .4s ease; }
.s-field.visible { opacity: 1; max-height: 120px; margin-bottom: 16px; }
.s-field label { font-size: 13px; color: var(--text); font-weight: 600; display: flex; align-items: center; gap: 6px; }
.s-field select { border: 1.5px solid var(--border); border-radius: 8px; padding: 12px 14px; font-size: 15px; color: var(--text); background: var(--white); outline: none; cursor: pointer; transition: border-color .3s; font-family: var(--font); width: 100%; }
.s-field select:focus { border-color: var(--primary-light); }
.s-field select:disabled { background: var(--gray-light); cursor: not-allowed; opacity: .5; }
.search-btn { background: var(--accent); color: var(--white); border: none; border-radius: 8px; padding: 14px 30px; font-size: 15px; font-weight: 700; cursor: pointer; display: flex; align-items: center; gap: 8px; transition: all .3s; white-space: nowrap; opacity: 0; max-height: 0; overflow: hidden; margin-top: 0; }
.search-btn.visible { opacity: 1; max-height: 60px; margin-top: 8px; }
.search-btn:hover { background: var(--accent-light); }

/* ---- Stats ---- */
.stats { display: flex; gap: 36px; flex-wrap: wrap; margin-top: 50px; }
.stat-item .num { font-size: 2.4rem; font-weight: 800; color: var(--accent-light); line-height: 1; }
.stat-item .lbl { font-size: 13px; opacity: .85; margin-top: 4px; }

/* ---- Services ---- */
.services-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 22px; }
.service-card { background: var(--white); border-radius: var(--radius); padding: 26px 20px; box-shadow: var(--shadow); border: 1.5px solid transparent; transition: border-color .3s, transform .3s; display: flex; flex-direction: column; gap: 12px; }
.service-card:hover { border-color: var(--accent); transform: translateY(-4px); }
.service-card img { width: 54px; height: 54px; object-fit: contain; }
.service-card h3 { font-size: 15px; font-weight: 700; color: var(--primary); line-height: 1.35; }
.service-card p { font-size: 13px; color: var(--text-light); line-height: 1.6; }

/* ---- Universities ---- */
.uni-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 22px; margin-bottom: 40px; }
.uni-card { background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: transform .3s; }
.uni-card:hover { transform: translateY(-4px); }
.uni-card-img { position: relative; height: 180px; overflow: hidden; }
.uni-card-img img.cover { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.uni-card:hover .cover { transform: scale(1.05); }
.uni-logo { position: absolute; bottom: 10px; left: 10px; width: 46px; height: 46px; border-radius: 8px; background: var(--white); padding: 3px; object-fit: contain; }
.uni-views { position: absolute; top: 10px; right: 10px; background: rgba(0,0,0,.55); color: var(--white); font-size: 12px; padding: 3px 9px; border-radius: 20px; display: flex; align-items: center; gap: 4px; }
.uni-body { padding: 14px 16px; }
.uni-body h3 { font-size: 15px; font-weight: 700; color: var(--primary); margin-bottom: 4px; }
.uni-body span { font-size: 13px; color: var(--gray-dark); }

/* ---- EDIS ---- */
.edis-inner { display: flex; gap: 48px; align-items: center; flex-wrap: wrap; }
.edis-logo { width: 160px; flex-shrink: 0; }
.edis-text h3 { font-size: 1.5rem; font-weight: 800; color: var(--primary); margin-bottom: 14px; }
.edis-text p { color: var(--text-light); font-size: 15px; line-height: 1.7; }

/* ---- Contact ---- */
.contact-inner { display: grid; grid-template-columns: 1fr 1.3fr; gap: 48px; align-items: start; }
.c-info h2 { font-size: 1.8rem; font-weight: 800; color: var(--primary); margin-bottom: 14px; }
.c-info > p { color: var(--text-light); margin-bottom: 28px; font-size: 15px; }
.c-item { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.c-icon { width: 44px; height: 44px; border-radius: 50%; background: var(--primary); display: flex; align-items: center; justify-content: center; color: var(--white); font-size: 17px; flex-shrink: 0; }
.c-item a { color: var(--primary); font-weight: 500; font-size: 15px; }
.c-item a:hover { color: var(--accent); }
.c-form { background: var(--white); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.form-group label { font-size: 13px; font-weight: 600; color: var(--text); }
.form-group input, .form-group select, .form-group textarea { border: 1.5px solid var(--border); border-radius: 8px; padding: 10px 13px; font-size: 14px; color: var(--text); outline: none; transition: border-color .3s; font-family: var(--font); background: var(--white); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--primary-light); }
.form-group textarea { resize: vertical; min-height: 110px; }
.gender-opts { display: flex; gap: 18px; }
.gender-opts label { display: flex; align-items: center; gap: 6px; font-size: 14px; cursor: pointer; }
.submit-btn { background: var(--primary); color: var(--white); border: none; border-radius: 8px; padding: 13px; font-size: 15px; font-weight: 700; cursor: pointer; width: 100%; display: flex; align-items: center; justify-content: center; gap: 8px; transition: background .3s; font-family: var(--font); }
.submit-btn:hover { background: var(--primary-light); }

/* ---- Footer ---- */
.footer { background: var(--primary); color: var(--white); padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 36px; margin-bottom: 48px; }
.f-brand img { height: 90px; margin-bottom: 14px; mix-blend-mode: lighten; }
.f-brand p { font-size: 14px; opacity: .8; line-height: 1.7; margin-bottom: 18px; }
.f-social { display: flex; gap: 12px; }
.f-social a { color: var(--white); opacity: .7; font-size: 17px; transition: opacity .3s; }
.f-social a:hover { opacity: 1; color: var(--accent-light); }
.f-col h4 { font-size: 14px; font-weight: 700; color: var(--accent-light); margin-bottom: 16px; }
.f-col ul li { margin-bottom: 9px; }
.f-col ul li a { font-size: 13px; opacity: .8; transition: opacity .3s; }
.f-col ul li a:hover { opacity: 1; color: var(--accent-light); }
.f-newsletter { display: flex; margin-top: 8px; }
.f-newsletter input { flex: 1; border: none; border-radius: 8px 0 0 8px; padding: 10px 13px; font-size: 14px; outline: none; font-family: var(--font); }
.f-newsletter button { background: var(--accent); color: var(--white); border: none; border-radius: 0 8px 8px 0; padding: 10px 16px; cursor: pointer; font-size: 14px; transition: background .3s; }
.f-newsletter button:hover { background: var(--accent-light); }
.app-badges { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.app-badges a { background: rgba(255,255,255,.12); border-radius: 8px; padding: 8px 13px; font-size: 13px; color: var(--white); display: flex; align-items: center; gap: 6px; transition: background .3s; }
.app-badges a:hover { background: rgba(255,255,255,.22); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 20px 0; }
.footer-bottom .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; font-size: 13px; opacity: .7; }
.footer-bottom-links { display: flex; gap: 18px; }
.footer-bottom-links a:hover { color: var(--accent-light); opacity: 1; }

/* ---- Floating Button ---- */
.floating { position: fixed; bottom: 28px; right: 26px; z-index: 999; display: flex; flex-direction: column; align-items: flex-end; gap: 10px; }
.float-main { width: 56px; height: 56px; border-radius: 50%; background: var(--accent); color: var(--white); border: none; cursor: pointer; font-size: 22px; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 18px rgba(201,162,39,.45); transition: all .3s; }
.float-main:hover { background: var(--accent-light); transform: scale(1.08); }
.float-opts { display: flex; flex-direction: column; gap: 10px; align-items: flex-end; opacity: 0; pointer-events: none; transform: translateY(10px); transition: all .3s; }
.float-opts.open { opacity: 1; pointer-events: all; transform: translateY(0); }
.float-opt { display: flex; align-items: center; gap: 10px; background: var(--white); border-radius: 28px; padding: 8px 16px 8px 8px; box-shadow: var(--shadow); font-size: 14px; font-weight: 600; color: var(--text); transition: all .3s; }
.float-opt:hover { background: var(--gray-light); }
.f-opt-icon { width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 17px; color: var(--white); flex-shrink: 0; }
.wa-icon { background: #25d366; }
.ms-icon { background: #0099ff; }
.ct-icon { background: var(--primary); }

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .navbar-menu { display: none; }
  .hamburger { display: block; }
  .contact-inner, .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .stats { gap: 20px; }
  .hero { padding: 60px 0 48px; }
}
@media (max-width: 600px) {
  .top-bar .container { flex-direction: column; text-align: center; }
  .footer-grid { grid-template-columns: 1fr; }
  .edis-inner { flex-direction: column; }
}

/* ---- EDIS header + News Grid ---- */
.edis-header { display: flex; align-items: center; gap: 32px; }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 16px; }
.news-card { background: var(--white); border-radius: 14px; box-shadow: var(--shadow); overflow: hidden; display: flex; flex-direction: column; transition: transform .3s, box-shadow .3s; }
.news-card:hover { transform: translateY(-4px); box-shadow: 0 10px 32px rgba(13,74,42,.14); }
.news-card-img { width: 100%; height: 180px; overflow: hidden; background: var(--gray-light); display: flex; align-items: center; justify-content: center; }
.news-card-img img { width: 100%; height: 100%; object-fit: cover; }
.news-card-body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.news-date { font-size: 12px; color: var(--gray-dark); margin-bottom: 10px; }
.news-date i { margin-right: 5px; color: var(--accent); }
.news-card-body h4 { font-size: 15px; font-weight: 700; color: var(--primary); margin-bottom: 10px; line-height: 1.4; }
.news-card-body p { font-size: 13px; color: var(--gray-dark); line-height: 1.65; flex: 1; }
.news-read-more { display: inline-flex; align-items: center; gap: 6px; margin-top: 14px; font-size: 13px; font-weight: 700; color: var(--accent); transition: gap .2s; }
.news-read-more:hover { gap: 10px; }
@media (max-width: 900px) { .news-grid { grid-template-columns: 1fr; } .edis-header { flex-direction: column; } }

/* ---- Auth Modal (user register / login) ---- */
.auth-modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 3000; display: flex; align-items: center; justify-content: center; padding: 20px; opacity: 0; pointer-events: none; transition: opacity .25s; }
.auth-modal-overlay.open { opacity: 1; pointer-events: all; }
.auth-modal { background: var(--white); border-radius: 18px; width: 100%; max-width: 400px; max-height: 90vh; overflow-y: auto; padding: 34px 28px 28px; position: relative; box-shadow: 0 24px 64px rgba(0,0,0,.32); transform: scale(.95); transition: transform .25s; }
.auth-modal-overlay.open .auth-modal { transform: scale(1); }
.auth-modal-close { position: absolute; top: 14px; right: 14px; background: var(--gray-light); border: none; width: 32px; height: 32px; border-radius: 50%; cursor: pointer; color: var(--text-light); font-size: 14px; transition: background .2s; }
.auth-modal-close:hover { background: var(--gray); }
.auth-panel h3 { color: var(--primary); font-size: 1.25rem; font-weight: 800; text-align: center; margin-bottom: 18px; }
.auth-tabs { display: flex; background: var(--gray-light); border-radius: 10px; padding: 4px; margin-bottom: 18px; }
.auth-tab { flex: 1; padding: 9px; border: none; background: none; border-radius: 8px; font-size: 13.5px; font-weight: 700; color: var(--text-light); cursor: pointer; font-family: var(--font); transition: all .2s; }
.auth-tab.active { background: var(--white); color: var(--primary); box-shadow: 0 2px 6px rgba(0,0,0,.08); }
.auth-form { display: flex; flex-direction: column; gap: 14px; }
.auth-field { display: flex; flex-direction: column; gap: 6px; }
.auth-field label { font-size: 12.5px; font-weight: 700; color: var(--text-light); }
.auth-field input { padding: 11px 13px; border: 1.5px solid var(--border); border-radius: 9px; font-size: 14px; font-family: var(--font); transition: border-color .2s; }
.auth-field input:focus { outline: none; border-color: var(--primary); }
.auth-full-btn { width: 100%; justify-content: center; padding: 12px; border-radius: 9px; font-size: 14px; font-weight: 700; display: flex; align-items: center; gap: 8px; border: none; cursor: pointer; font-family: var(--font); transition: background .2s; }
.auth-link-btn { background: none; border: none; color: var(--text-light); font-size: 12.5px; text-decoration: underline; cursor: pointer; text-align: center; font-family: var(--font); margin-top: 4px; }
.auth-error, .auth-info { padding: 10px 12px; border-radius: 8px; font-size: 12.5px; margin-bottom: 14px; display: none; }
.auth-error.show { display: block; background: #fee2e2; color: #dc2626; }
.auth-info.show  { display: block; background: #dbeafe; color: #2563eb; }
.auth-info-static { font-size: 12.5px; color: var(--gray-dark); text-align: center; margin-bottom: 2px; }
.auth-avatar { width: 64px; height: 64px; border-radius: 50%; background: var(--primary); color: var(--white); display: flex; align-items: center; justify-content: center; font-size: 1.6rem; font-weight: 800; margin: 0 auto 14px; }
#authPanelAccount { text-align: center; }
#authPanelAccount .auth-sub { color: var(--gray-dark); font-size: 13px; margin-bottom: 22px; }
.auth-spinner { display: inline-block; width: 14px; height: 14px; border: 2px solid rgba(255,255,255,.4); border-top-color: #fff; border-radius: 50%; animation: authspin .7s linear infinite; }
@keyframes authspin { to { transform: rotate(360deg); } }