/*
  Data Science Homepage Styles
  - Theme variables
  - Layout utilities
  - Components: header, hero, forms, cards, carousel, tables, accordion, footer
  - Mobile-first, responsive at 640px and 960px
*/

:root {
  --bg: #ffffff;
  --surface: #f8f9fa;
  --panel: #ffffff;
  --elev: #f1f3f4;

  --text: #1a1a1a;
  --muted: #4a4a4a;
  --link: #ffa500;

  --primary-100: #fff8e1;
  --primary-200: #ffecb3;
  --primary-400: #ffa500;
  --primary-600: #ff8f00;
  --primary-700: #ff6f00;
  --primary-800: #e65100;

  --success: #ffa500;
  --warning: #ff8f00;
  --danger: #d32f2f;

  --radius: 14px;
  --radius-sm: 10px;
  --shadow-1: 0 6px 20px rgba(0,0,0,.24);
  --shadow-2: 0 18px 40px rgba(89, 28, 135, .35);

  --w-container: 1160px;
  --sp-1: 6px;
  --sp-2: 10px;
  --sp-3: 14px;
  --sp-4: 18px;
  --sp-5: 24px;
  --sp-6: 32px;
  --sp-7: 48px;
  --sp-8: 64px;
}

/* Reset */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: radial-gradient(1000px 600px at 10% -10%, rgba(255,165,0,.15), transparent 60%),
              radial-gradient(900px 600px at 110% 0%, rgba(255,193,7,.1), transparent 50%),
              linear-gradient(180deg, #ffffff, #f8f9fa 35%, #f8f9fa 100%);
}
h1, h2, h3 { line-height: 1.2; margin: 0 0 var(--sp-4); }
p { line-height: 1.7; color: var(--muted); margin: 0 0 var(--sp-4); }
a { color: var(--link); text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: var(--w-container);
  margin: 0 auto;
  padding: 0 var(--sp-5);
}

.section { padding: var(--sp-8) 0; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid rgba(255,165,0,.35);
  color: var(--text);
  background: transparent;
  transition: transform .18s ease, background .18s ease, box-shadow .18s ease;
}
.btn:hover { transform: translateY(-1px); background: rgba(255,165,0,.08); box-shadow: var(--shadow-1); }
.btn.small { padding: 8px 12px; font-size: 14px; }
.btn-primary {
  background: linear-gradient(135deg, var(--primary-700), var(--primary-600));
  border-color: transparent;
  box-shadow: 0 6px 16px rgba(255,165,0,.45);
}
.btn-primary:hover { filter: brightness(1.08); box-shadow: 0 10px 26px rgba(255,165,0,.55); }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: saturate(140%) blur(10px);
  background: rgba(255, 255, 255, .95);
  border-bottom: 1px solid rgba(255,165,0,.2);
  box-shadow: 0 2px 10px rgba(0,0,0,.1);
}

/* Logo Styles */
.site-logo-text {
  font-size: 28px;
  font-weight: 800;
  color: var(--primary-400);
  text-decoration: none;
  background: linear-gradient(135deg, var(--primary-400), var(--primary-600));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.footer-logo-text {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-400);
  text-decoration: none;
  background: linear-gradient(135deg, var(--primary-400), var(--primary-600));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.partner-text {
  font-size: 16px;
  color: var(--muted);
  font-weight: 500;
  text-align: center;
  padding: 20px;
  background: rgba(255,165,0,.08);
  border-radius: var(--radius);
  border: 1px solid rgba(255,165,0,.15);
}
.header-inner {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: var(--sp-4);
  padding: 14px 0;
}
.brand {
  font-weight: 800;
  font-size: 20px;
  letter-spacing: .4px;
  color: var(--text);
  display: inline-flex;
  align-items: center;
}
.site-logo {
  height: 40px;
  width: auto;
  object-fit: contain;
}
.footer-logo {
  height: 35px;
  width: auto;
  object-fit: contain;
  margin-bottom: 12px;
}
.nav { display: none; gap: 18px; align-items: center; }
.nav a { color: var(--muted); font-weight: 500; }
.nav a:hover { color: var(--primary-600); }
.nav-toggle { display: inline-flex; background: transparent; color: var(--text); border: none; font-size: 22px; }

/* Mobile nav dropdown */
.site-header.open .nav {
  position: absolute;
  display: flex;
  inset: 60px var(--sp-5) auto var(--sp-5);
  background: rgba(255,255,255,.98);
  border: 1px solid rgba(255,165,0,.3);
  border-radius: 12px;
  padding: 12px;
  flex-direction: column;
  gap: 10px;
  box-shadow: var(--shadow-1);
}

@media (min-width: 960px) {
  .nav { display: inline-flex; }
  .nav-toggle { display: none; }
}

/* Hero */
.hero {
  padding: var(--sp-8) 0 var(--sp-7);
  background: radial-gradient(900px 420px at 20% -20%, rgba(255,165,0,.2), transparent 60%),
              radial-gradient(700px 420px at 120% 0%, rgba(255,193,7,.15), transparent 50%);
}
.hero-grid {
  display: grid;
  gap: var(--sp-7);
}
.eyebrow { color: var(--primary-400); font-weight: 600; letter-spacing: .3px; margin: 0 0 var(--sp-3); }
.hero h1 { font-size: 34px; }
.hero-points { list-style: none; padding: 0; margin: var(--sp-4) 0; display: grid; gap: 8px; }
.hero-points li::before { content: "✔"; color: var(--success); margin-right: 8px; }
.hero-logos { display: flex; gap: 18px; align-items: center; opacity: .9; flex-wrap: wrap; }

.lead-form {
  background: linear-gradient(180deg, rgba(255,165,0,.1), rgba(255,193,7,.15));
  border: 1px solid rgba(255,165,0,.3);
  box-shadow: var(--shadow-2);
  padding: var(--sp-6);
  border-radius: var(--radius);
}
.lead-form h2 { margin-bottom: var(--sp-4); font-size: 22px; }
.lead-form label { display: grid; gap: 6px; margin-bottom: var(--sp-4); font-size: 14px; color: var(--muted); }
.lead-form input {
  background: rgba(255,255,255,.9);
  border: 1px solid rgba(255,165,0,.3);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text);
}
.lead-form .fineprint { font-size: 12px; margin-top: 8px; }

@media (min-width: 960px) {
  .hero-grid { grid-template-columns: 1.2fr .8fr; align-items: center; }
  .hero h1 { font-size: 44px; }
}

/* Audience */
.pill-grid { display: flex; gap: 10px; flex-wrap: wrap; }
.pill { padding: 8px 12px; border-radius: 999px; background: rgba(255,165,0,.12); border: 1px solid rgba(255,165,0,.3); font-size: 14px; color: var(--text); }

/* Cards */
.card-grid { display: grid; gap: var(--sp-5); }
.card-grid.two { grid-template-columns: 1fr; }
.card {
  background: linear-gradient(180deg, rgba(255,255,255,.8), rgba(255,165,0,.05));
  border: 1px solid rgba(255,165,0,.2);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
  padding: var(--sp-5);
}
.card header { font-weight: 700; margin-bottom: var(--sp-3); }
.card ul { margin: 0; padding-left: 18px; color: var(--muted); }
.card.emphasis { border-color: rgba(255,165,0,.5); background: linear-gradient(180deg, rgba(255,165,0,.15), rgba(255,193,7,.1)); box-shadow: var(--shadow-2); }

.course-actions {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
  margin-top: var(--sp-4);
}

.btn-secondary {
  background: rgba(255,165,0,.12);
  border: 1px solid rgba(255,165,0,.35);
  color: var(--text);
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
}

.btn-secondary:hover {
  background: rgba(255,165,0,.2);
  border-color: rgba(255,165,0,.5);
}

.btn-large {
  padding: 14px 28px;
  font-size: 16px;
  font-weight: 600;
}

@media (min-width: 800px) {
  .card-grid { grid-template-columns: repeat(3, 1fr); }
  .card-grid.two { grid-template-columns: 1.2fr .8fr; }
}

/* Course Modal Styles */
.course-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  overflow-y: auto;
  animation: fadeIn 0.3s ease;
}

.course-modal.active {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: var(--sp-5);
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  z-index: 1001;
}

.modal-content {
  position: relative;
  background: linear-gradient(180deg, rgba(255,255,255,.98), rgba(248,249,250,.98));
  border: 1px solid rgba(255,165,0,.3);
  border-radius: var(--radius);
  box-shadow: var(--shadow-2), 0 0 80px rgba(255,165,0,.4);
  max-width: 900px;
  width: 100%;
  z-index: 1002;
  margin: var(--sp-6) auto;
  animation: slideUp 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { 
    opacity: 0;
    transform: translateY(30px);
  }
  to { 
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(239,68,68,.15);
  border: 1px solid rgba(239,68,68,.3);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 28px;
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 10;
}

.modal-close:hover {
  background: rgba(239,68,68,.25);
  transform: rotate(90deg);
}

.modal-header {
  padding: var(--sp-6);
  border-bottom: 1px solid rgba(255,165,0,.2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

.modal-header h3 {
  margin: 0;
  font-size: 28px;
  color: var(--text);
  flex: 1;
}

.modal-body {
  padding: var(--sp-6);
  max-height: 60vh;
  overflow-y: auto;
}

.modal-body::-webkit-scrollbar {
  width: 8px;
}

.modal-body::-webkit-scrollbar-track {
  background: rgba(255,165,0,.05);
  border-radius: 4px;
}

.modal-body::-webkit-scrollbar-thumb {
  background: rgba(255,165,0,.3);
  border-radius: 4px;
}

.modal-body::-webkit-scrollbar-thumb:hover {
  background: rgba(255,165,0,.5);
}

.modal-footer {
  padding: var(--sp-5);
  border-top: 1px solid rgba(255,165,0,.2);
  text-align: center;
  background: linear-gradient(180deg, rgba(255,165,0,.1), rgba(255,193,7,.05));
}

.course-timing {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--sp-4);
  margin-bottom: var(--sp-6);
  padding: var(--sp-5);
  background: linear-gradient(135deg, rgba(255,165,0,.15), rgba(255,193,7,.1));
  border: 1px solid rgba(255,165,0,.25);
  border-radius: var(--radius-sm);
}

.timing-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.timing-label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
}

.timing-value {
  color: var(--text);
  font-size: 16px;
  font-weight: 600;
}

.original-price {
  text-decoration: line-through;
  color: var(--muted);
  font-size: 14px;
  font-weight: 400;
  margin-left: 8px;
}

.curriculum-section {
  margin-bottom: var(--sp-6);
}

.curriculum-section h4 {
  margin: 0 0 var(--sp-5);
  color: var(--text);
  font-size: 22px;
}

.curriculum-module {
  background: rgba(255,255,255,.8);
  border: 1px solid rgba(255,165,0,.2);
  border-radius: var(--radius-sm);
  padding: var(--sp-4);
  margin-bottom: var(--sp-4);
  transition: all 0.3s ease;
}

.curriculum-module:hover {
  background: rgba(255,165,0,.08);
  border-color: rgba(255,165,0,.25);
  transform: translateX(4px);
}

.curriculum-module h5 {
  margin: 0 0 var(--sp-3);
  color: var(--primary-400);
  font-size: 18px;
  font-weight: 600;
}

.curriculum-module ul {
  margin: 0;
  padding-left: 24px;
  list-style: none;
}

.curriculum-module li {
  position: relative;
  color: var(--muted);
  margin-bottom: 8px;
  padding-left: 8px;
}

.curriculum-module li::before {
  content: "•";
  position: absolute;
  left: -12px;
  color: var(--primary-400);
  font-weight: 700;
}

.course-highlights h4 {
  margin: 0 0 var(--sp-4);
  color: var(--text);
  font-size: 22px;
}

.highlights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--sp-3);
}

.highlight-item {
  background: rgba(255,165,0,.1);
  border: 1px solid rgba(255,165,0,.2);
  border-radius: var(--radius-sm);
  padding: var(--sp-3);
  color: var(--primary-600);
  font-weight: 500;
  text-align: center;
  transition: all 0.2s ease;
}

.highlight-item:hover {
  background: rgba(255,165,0,.15);
  transform: scale(1.05);
}

/* Modal Responsive */
@media (max-width: 768px) {
  .course-modal.active {
    padding: 0;
  }

  .modal-content {
    border-radius: 0;
    margin: 0;
    min-height: 100vh;
  }

  .modal-header h3 {
    font-size: 22px;
    padding-right: 40px;
  }

  .course-timing {
    grid-template-columns: 1fr;
    gap: var(--sp-3);
  }

  .highlights-grid {
    grid-template-columns: 1fr;
  }

  .modal-body {
    max-height: none;
  }
}

/* Curriculum enhanced */
.course-hero { margin-top: var(--sp-5); }
.badge { display: inline-block; padding: 6px 10px; border-radius: 999px; background: rgba(16,185,129,.15); color: #34d399; border: 1px solid rgba(16,185,129,.3); font-size: 12px; font-weight: 700; letter-spacing: .3px; }
.course-title { margin: var(--sp-3) 0; color: var(--text); font-size: 24px; }
.course-desc { color: var(--muted); max-width: 900px; }

.roadmap { margin-top: var(--sp-6); }
.roadmap h4 { margin: 0 0 var(--sp-4); color: var(--text); }
.roadmap-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--sp-4); }
.roadmap-item { background: rgba(255,255,255,.8); border: 1px solid rgba(255,165,0,.2); border-radius: var(--radius); padding: var(--sp-4); }
.roadmap-item .step { width: 34px; height: 34px; border-radius: 50%; background: rgba(255,165,0,.2); color: var(--text); display: inline-flex; align-items: center; justify-content: center; font-weight: 700; margin-bottom: var(--sp-2); }
.roadmap-item h5 { margin: 0 0 6px; color: var(--text); font-size: 16px; }
.roadmap-item p { margin: 0; }

.course-facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: var(--sp-4); margin-top: var(--sp-6); }
.fact { display: grid; grid-template-columns: auto 1fr; gap: 12px; align-items: start; background: rgba(255,255,255,.8); border: 1px solid rgba(255,165,0,.2); border-radius: var(--radius); padding: var(--sp-4); }
.fact .icon { font-size: 22px; }
.projects-list { margin-top: var(--sp-5); }
.projects-list ul { margin: 0; padding-left: 18px; }
.actions { display: flex; gap: var(--sp-3); margin-top: var(--sp-6); flex-wrap: wrap; }

/* Carousel */
.carousel { position: relative; }
.carousel-track { display: flex; overflow: hidden; scroll-behavior: smooth; gap: var(--sp-5); padding: 6px; }
.slide { min-width: 78%; background: rgba(255,255,255,.8); border: 1px solid rgba(255,165,0,.2); border-radius: var(--radius-sm); padding: var(--sp-4); }
.slide h3 { margin-top: var(--sp-3); }
.project .project-media { position: relative; }
.project .company-logo {
  position: absolute;
  bottom: 10px;
  right: 10px;
  width: 100px;
  height: 32px;
  object-fit: contain;
  background: rgba(255,255,255,.85);
  border-radius: 6px;
  padding: 4px 6px;
  box-shadow: 0 2px 8px rgba(0,0,0,.25);
}
.project .project-meta {
  margin: var(--sp-3) 0 0;
  padding-left: 18px;
  color: var(--muted);
}
.project .project-meta li { margin-bottom: 6px; }
.carousel-btn { position: absolute; top: 50%; transform: translateY(-50%); width: 42px; height: 42px; border-radius: 50%; border: 1px solid rgba(255,165,0,.35); background: rgba(255, 255, 255, .9); color: var(--text); cursor: pointer; }
.carousel-btn.prev { left: -6px; }
.carousel-btn.next { right: -6px; }
@media (min-width: 900px) { .slide { min-width: 33%; } }

/* Student Feedback Section */
.success {
  background: linear-gradient(180deg, rgba(255,165,0,.08), rgba(255,193,7,.12));
}

.section-subtitle {
  text-align: center;
  color: var(--muted);
  margin-bottom: var(--sp-7);
  font-size: 18px;
}

.feedback-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--sp-5);
  margin-top: var(--sp-6);
}

.feedback-card {
  background: linear-gradient(135deg, rgba(255,255,255,.8), rgba(255,165,0,.08));
  border: 1px solid rgba(255,165,0,.2);
  border-radius: var(--radius);
  padding: var(--sp-5);
  box-shadow: var(--shadow-1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feedback-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2);
}

.feedback-content {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.stars {
  color: #fbbf24;
  font-size: 18px;
  margin-bottom: var(--sp-2);
}

.feedback-content p {
  font-style: italic;
  line-height: 1.6;
  color: var(--text);
  margin: 0;
  font-size: 16px;
}

.feedback-author {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-top: var(--sp-3);
}

.feedback-author img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(167,139,250,.3);
}

.author-link {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.author-link:hover {
  transform: translateX(3px);
  opacity: 0.9;
}

.author-link:hover .author-info h4 {
  color: var(--primary-400);
}

.author-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.author-info h4 {
  margin: 0;
  color: var(--text);
  font-size: 16px;
  font-weight: 600;
  transition: color 0.2s ease;
  display: flex;
  align-items: center;
  gap: 6px;
}

.linkedin-icon {
  font-size: 14px;
  opacity: 0.7;
  transition: opacity 0.2s ease;
}

.author-link:hover .linkedin-icon {
  opacity: 1;
}

.author-info .job-title {
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  margin: 0;
}

.author-info .company {
  color: var(--primary-400);
  font-size: 14px;
  font-weight: 500;
  margin: 0;
}

.author-info .placement-date {
  color: var(--muted);
  font-size: 12px;
  font-style: italic;
  margin: 0;
}

/* Certification */
.cert-inner { display: grid; gap: var(--sp-6); align-items: center; }
@media (min-width: 900px) { .cert-inner { grid-template-columns: 1fr 1fr; } }

/* Comparison */
.table-wrap { overflow-x: auto; border: 1px solid rgba(255,165,0,.2); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; min-width: 560px; }
th, td { padding: 14px 16px; text-align: left; }
thead th { background: rgba(255,165,0,.15); color: var(--text); }
tbody tr:nth-child(odd) { background: rgba(255,255,255,.5); }

/* Partners */
.partners .logos, .news .logos { display: flex; gap: 24px; align-items: center; flex-wrap: wrap; opacity: .9; }
.partners img, .news img { filter: grayscale(20%); opacity: .9; }

/* Placement */
.two-col { display: grid; gap: var(--sp-6); align-items: start; }
@media (min-width: 900px) { .two-col { grid-template-columns: 1.1fr .9fr; } }
.checklist { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.checklist li::before { content: "✔"; color: var(--success); margin-right: 8px; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-4); }
.stats > div { background: rgba(255,255,255,.8); border: 1px solid rgba(255,165,0,.2); border-radius: var(--radius); padding: var(--sp-5); text-align: center; }
.stats strong { font-size: 28px; display: block; }
.stats span { color: var(--muted); font-size: 14px; }

/* FAQ */
.accordion { 
  border-radius: var(--radius); 
  overflow: hidden; 
  border: 1px solid rgba(255,165,0,.2); 
  margin-top: var(--sp-6);
}

.accordion-item { 
  width: 100%; 
  text-align: left; 
  background: rgba(255,255,255,.8); 
  color: var(--text); 
  padding: 20px 24px; 
  display: grid; 
  grid-template-columns: 1fr auto; 
  align-items: center; 
  gap: 16px; 
  border: none; 
  border-bottom: 1px solid rgba(255,165,0,.2); 
  cursor: pointer; 
  transition: background 0.3s ease;
  font-size: 16px;
  font-weight: 500;
}

.accordion-item:hover {
  background: rgba(255,165,0,.05);
}

.accordion-item[aria-expanded="true"] { 
  background: rgba(255,165,0,.1);
  border-bottom-color: rgba(255,165,0,.3);
}

.accordion-item[aria-expanded="true"] .icon { 
  transform: rotate(45deg); 
  color: var(--primary-400);
}

.accordion-panel { 
  display: none; 
  padding: 24px; 
  background: rgba(255,255,255,.9); 
  color: var(--muted); 
  line-height: 1.7;
}

.accordion-panel.open { 
  display: block; 
}

.accordion-panel p {
  margin-bottom: var(--sp-4);
  font-size: 15px;
}

.accordion-panel ul, .accordion-panel ol {
  margin: var(--sp-3) 0;
  padding-left: 24px;
}

.accordion-panel li {
  margin-bottom: var(--sp-2);
  font-size: 14px;
}

.accordion-panel strong {
  color: var(--text);
  font-weight: 600;
}

.accordion-panel ul li::marker {
  color: var(--primary-400);
}

.accordion-panel ol li::marker {
  color: var(--primary-400);
  font-weight: 600;
}

/* CTA banner */
.cta-banner { background: radial-gradient(600px 300px at 10% 0%, rgba(255,165,0,.25), transparent 60%),
                         linear-gradient(180deg, rgba(255,165,0,.15), rgba(255,193,7,.2));
  padding: var(--sp-7) 0; border-top: 1px solid rgba(255,165,0,.25); }
.cta-inner { display: grid; gap: var(--sp-5); align-items: center; }
@media (min-width: 900px) { .cta-inner { grid-template-columns: 1fr auto; } }

/* Contact Information */
.contact-info {
  background: linear-gradient(180deg, rgba(255,165,0,.05), rgba(255,193,7,.08));
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--sp-5);
  margin-top: var(--sp-6);
}

.contact-card {
  background: linear-gradient(135deg, rgba(255,255,255,.8), rgba(255,165,0,.08));
  border: 1px solid rgba(255,165,0,.2);
  border-radius: var(--radius);
  padding: var(--sp-6);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2);
}

.contact-icon {
  font-size: 48px;
  margin-bottom: var(--sp-4);
}

.contact-card h3 {
  color: var(--text);
  margin-bottom: var(--sp-3);
  font-size: 20px;
}

.contact-card p {
  color: var(--muted);
  line-height: 1.6;
  margin: 0;
}

.contact-card a {
  color: var(--primary-400);
  text-decoration: none;
  font-weight: 500;
}

.contact-card a:hover {
  color: var(--primary-600);
  text-decoration: underline;
}

/* Footer */
.site-footer { 
  background: #f8f9fa; 
  border-top: 1px solid rgba(255,165,0,.2); 
  padding: var(--sp-8) 0 var(--sp-6); 
}

.footer-main {
  display: grid;
  gap: var(--sp-6);
  margin-bottom: var(--sp-6);
}

@media (min-width: 900px) { 
  .footer-main { 
    grid-template-columns: 1fr 1fr; 
  } 
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.footer-description {
  color: var(--muted);
  line-height: 1.6;
  max-width: 400px;
}

.footer-contact h4 {
  color: var(--text);
  margin-bottom: var(--sp-4);
  font-size: 18px;
}

.contact-item {
  margin-bottom: var(--sp-4);
}

.contact-label {
  color: var(--primary-400);
  font-weight: 600;
  display: block;
  margin-bottom: var(--sp-1);
}

.contact-item p {
  color: var(--muted);
  margin: 0;
  line-height: 1.5;
}

.contact-item a {
  color: var(--primary-400);
  text-decoration: none;
}

.contact-item a:hover {
  color: var(--primary-600);
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid rgba(148,163,184,.18);
  padding-top: var(--sp-5);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  align-items: center;
}

@media (min-width: 900px) { 
  .footer-bottom { 
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  } 
}

.fineprint { 
  color: var(--muted); 
  font-size: 12px; 
  margin: 0;
}

.footer-nav { 
  display: flex; 
  gap: 18px; 
  flex-wrap: wrap; 
  justify-content: center;
}

@media (min-width: 900px) {
  .footer-nav {
    justify-content: flex-start;
  }
}

.footer-nav a { 
  color: var(--muted); 
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-nav a:hover { 
  color: var(--primary-600); 
}


/* Email Dashboard */
.email-dashboard {
  background: linear-gradient(180deg, rgba(255,165,0,.05), rgba(255,193,7,.08));
}

.email-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--sp-4);
  margin-bottom: var(--sp-6);
}

.stat-card {
  background: linear-gradient(135deg, rgba(255,165,0,.1), rgba(255,193,7,.15));
  border: 1px solid rgba(255,165,0,.3);
  border-radius: var(--radius);
  padding: var(--sp-5);
  text-align: center;
  box-shadow: var(--shadow-1);
}

.stat-card h3 {
  font-size: 32px;
  color: var(--primary-400);
  margin: 0 0 var(--sp-2);
}

.stat-card p {
  color: var(--muted);
  margin: 0;
  font-size: 14px;
}

.email-list-container {
  background: rgba(255,255,255,.8);
  border: 1px solid rgba(255,165,0,.2);
  border-radius: var(--radius);
  padding: var(--sp-5);
}

.email-filters {
  display: flex;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
  flex-wrap: wrap;
}

.search-input, .sort-select {
  background: rgba(255,255,255,.9);
  border: 1px solid rgba(255,165,0,.3);
  border-radius: 10px;
  padding: 10px 14px;
  color: var(--text);
  font-size: 14px;
}

.search-input {
  flex: 1;
  min-width: 200px;
}

.sort-select {
  min-width: 150px;
}

.email-list {
  max-height: 400px;
  overflow-y: auto;
}

.email-entry {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--sp-3);
  border-bottom: 1px solid rgba(255,165,0,.1);
  transition: background 0.3s ease;
}

.email-entry:hover {
  background: rgba(255,165,0,.05);
}

.email-entry:last-child {
  border-bottom: none;
}

.email-info {
  flex: 1;
}

.email-name {
  font-weight: 600;
  color: var(--text);
  margin: 0 0 4px;
}

.email-address {
  color: var(--muted);
  font-size: 14px;
  margin: 0;
}

.email-date {
  color: var(--muted);
  font-size: 12px;
  margin: 0;
}

.email-actions {
  display: flex;
  gap: var(--sp-2);
}

.email-btn {
  padding: 6px 12px;
  border: 1px solid rgba(255,165,0,.3);
  background: transparent;
  color: var(--muted);
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
  transition: all 0.3s ease;
}

.email-btn:hover {
  background: rgba(255,165,0,.1);
  color: var(--text);
}

.email-btn.danger:hover {
  background: rgba(239,68,68,.1);
  border-color: rgba(239,68,68,.3);
  color: var(--danger);
}

/* Enhanced Responsiveness */
@media (max-width: 768px) {
  .hero h1 { font-size: 28px; }
  .hero-grid { gap: var(--sp-5); }
  
  .feedback-grid {
    grid-template-columns: 1fr;
    gap: var(--sp-4);
  }
  
  .feedback-card {
    padding: var(--sp-4);
  }
  
  .feedback-author {
    flex-direction: row;
    gap: var(--sp-3);
  }

  .author-link {
    flex-direction: row;
    align-items: flex-start;
  }

  .author-info {
    text-align: left;
  }
  
  .email-filters {
    flex-direction: column;
  }
  
  .search-input, .sort-select {
    width: 100%;
  }
  
  .email-entry {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--sp-2);
  }
  
  .email-actions {
    width: 100%;
    justify-content: flex-end;
  }
  
  .stats {
    grid-template-columns: 1fr;
    gap: var(--sp-3);
  }
  
  .email-stats {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--sp-3);
  }
  
  .section {
    padding: var(--sp-6) 0;
  }
  
  .hero h1 { font-size: 24px; }
}

/* Notification System */
@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  max-width: 400px;
  animation: slideIn 0.3s ease;
}

.notification-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.notification-close {
  background: none;
  border: none;
  color: white;
  font-size: 18px;
  cursor: pointer;
  padding: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background 0.2s ease;
}

.notification-close:hover {
  background: rgba(255,255,255,0.2);
}

/* Utility */
.hidden { display: none !important; }