/* =====================================================
   CAREER EDGE IT INSTITUTE — style.css
   Best AI Coaching in Malviya Nagar Jaipur
   Aesthetic: Dark-tech with electric gold accents
   ===================================================== */

/* ===== CSS VARIABLES ===== */
:root {
  --primary: #f5a623;
  --primary-dark: #e08c00;
  --primary-light: #ffd180;
  --accent: #00d4ff;
  --accent2: #7c3aed;
  --bg-dark: #080c14;
  --bg-card: #0d1520;
  --bg-card2: #111927;
  --bg-section: #0a1019;
  --text-primary: #f0f4ff;
  --text-secondary: #8899bb;
  --text-muted: #556080;
  --border: rgba(245,166,35,0.15);
  --border-glow: rgba(245,166,35,0.4);
  --gradient-main: linear-gradient(135deg, #f5a623 0%, #ff6b35 50%, #f5a623 100%);
  --gradient-accent: linear-gradient(135deg, #00d4ff, #7c3aed);
  --gradient-bg: linear-gradient(180deg, #080c14 0%, #0a1019 100%);
  --shadow-glow: 0 0 40px rgba(245,166,35,0.2);
  --shadow-card: 0 8px 32px rgba(0,0,0,0.4);
  --radius: 16px;
  --radius-sm: 8px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
address { font-style: normal; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ===== CANVAS PARTICLE BACKGROUND ===== */
#particles-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.4;
}

/* ===== CONTAINER & LAYOUT ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.section-pad { padding: 100px 0; position: relative; }

/* ===== SECTION HEADER ===== */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 64px;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-top: 16px;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(245,166,35,0.1);
  border: 1px solid rgba(245,166,35,0.3);
  padding: 6px 18px;
  border-radius: 100px;
  margin-bottom: 20px;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.2;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 700; }

.gradient-text {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  padding: 14px 30px;
  border-radius: 100px;
  border: 2px solid transparent;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-main);
  color: #000;
  border-color: transparent;
  box-shadow: 0 4px 20px rgba(245,166,35,0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(245,166,35,0.5);
  filter: brightness(1.1);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-outline:hover {
  background: rgba(245,166,35,0.1);
  transform: translateY(-2px);
}

.btn-full { width: 100%; justify-content: center; border-radius: var(--radius-sm); }

.btn-loader {
  display: none;
  width: 18px; height: 18px;
  border: 2px solid rgba(0,0,0,0.3);
  border-top-color: #000;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.btn.loading .btn-text { display: none; }
.btn.loading .btn-loader { display: block; }

@keyframes spin { to { transform: rotate(360deg); } }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 18px 0;
  transition: background 0.4s ease, padding 0.4s ease, box-shadow 0.4s ease;
}

.navbar.scrolled {
  background: rgba(8,12,20,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 12px 0;
  box-shadow: 0 1px 0 rgba(245,166,35,0.2), 0 4px 24px rgba(0,0,0,0.5);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
}

.logo-icon {
  width: 42px; height: 42px;
  background: var(--gradient-main);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000;
  font-size: 1.1rem;
}

.logo-accent { color: var(--primary); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: width var(--transition);
}

.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  background: var(--gradient-main) !important;
  color: #000 !important;
  font-weight: 700 !important;
  padding: 10px 22px;
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 0.85rem !important;
  box-shadow: 0 4px 16px rgba(245,166,35,0.3);
}

.nav-cta::after { display: none !important; }
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(245,166,35,0.45) !important; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 26px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
  padding: 140px 80px 80px;
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--primary);
  background: rgba(245,166,35,0.08);
  border: 1px solid rgba(245,166,35,0.25);
  padding: 8px 18px;
  border-radius: 100px;
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}

.hero-headline {
  margin-bottom: 20px;
  line-height: 1.15;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 36px;
  max-width: 520px;
}

.hero-sub strong { color: var(--text-primary); }

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  gap: 0;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 0 28px 0 0;
}

.stat-item:first-child { padding-left: 0; }

.stat-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.stat-plus {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary);
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 4px;
  white-space: nowrap;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
  margin: auto 28px auto 0;
  align-self: center;
}

/* ===== HERO VISUAL (Orbit) ===== */
.hero-visual {
  position: relative;
  width: 100%;
  max-width: 440px;
  aspect-ratio: 1;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.orbit-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px dashed rgba(245,166,35,0.2);
}

.ring-1 { width: 70%; height: 70%; animation: orbitSpin 12s linear infinite; }
.ring-2 { width: 85%; height: 85%; border-color: rgba(0,212,255,0.15); animation: orbitSpin 18s linear infinite reverse; }
.ring-3 { width: 100%; height: 100%; border-color: rgba(124,58,237,0.1); animation: orbitSpin 25s linear infinite; }

@keyframes orbitSpin { to { transform: rotate(360deg); } }

.ai-core {
  width: 120px; height: 120px;
  background: linear-gradient(135deg, rgba(245,166,35,0.15), rgba(245,166,35,0.05));
  border: 2px solid rgba(245,166,35,0.4);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--primary);
  position: relative;
  z-index: 2;
  box-shadow: 0 0 60px rgba(245,166,35,0.2), inset 0 0 40px rgba(245,166,35,0.05);
  animation: corePulse 3s ease-in-out infinite;
}

@keyframes corePulse {
  0%, 100% { box-shadow: 0 0 40px rgba(245,166,35,0.2); }
  50% { box-shadow: 0 0 80px rgba(245,166,35,0.4); }
}

.orbit-dot {
  position: absolute;
  width: 52px; height: 52px;
  background: var(--bg-card2);
  border: 1.5px solid rgba(245,166,35,0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--primary);
  animation: floatDot 4s ease-in-out infinite;
}

.dot-1 { top: 8%; left: 50%; transform: translateX(-50%); animation-delay: 0s; color: #3776ab; }
.dot-2 { right: 4%; top: 50%; transform: translateY(-50%); animation-delay: 1s; color: var(--accent); }
.dot-3 { bottom: 8%; left: 50%; transform: translateX(-50%); animation-delay: 2s; color: #00c853; }
.dot-4 { left: 4%; top: 50%; transform: translateY(-50%); animation-delay: 3s; }

@keyframes floatDot {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-10px); }
}

.dot-2 { animation-name: floatDotY; }
.dot-4 { animation-name: floatDotY; }

@keyframes floatDotY {
  0%, 100% { transform: translateY(-50%) translateX(0); }
  50% { transform: translateY(-50%) translateX(-8px); }
}

/* ===== ABOUT SECTION ===== */
.about { background: linear-gradient(180deg, transparent, rgba(245,166,35,0.03), transparent); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: center;
}

.about-img-wrap {
  position: relative;
}

.about-img-box {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-card);
}

.img-placeholder {
  aspect-ratio: 4/3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  background: linear-gradient(135deg, var(--bg-card), var(--bg-card2));
  color: var(--primary);
  font-size: 4rem;
}

.img-placeholder p {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-align: center;
}

.about-badge-floating {
  position: absolute;
  bottom: -24px;
  right: -24px;
  background: var(--gradient-main);
  color: #000;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 16px 24px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 2;
  box-shadow: 0 8px 24px rgba(245,166,35,0.35);
}

.about-content h2 { margin-bottom: 20px; }
.about-content p { color: var(--text-secondary); margin-bottom: 20px; }
.about-content p strong { color: var(--text-primary); }

.about-highlights { margin: 32px 0; display: flex; flex-direction: column; gap: 20px; }

.highlight-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.highlight-item i {
  width: 44px; height: 44px;
  background: rgba(245,166,35,0.1);
  border: 1px solid rgba(245,166,35,0.25);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.highlight-item div { display: flex; flex-direction: column; gap: 4px; }
.highlight-item strong { font-weight: 700; font-size: 0.95rem; }
.highlight-item span { font-size: 0.88rem; color: var(--text-secondary); }

/* ===== COURSES SECTION ===== */
.courses { background: var(--bg-section); }

.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.course-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  cursor: default;
}

.course-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-main);
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 0;
}

.course-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow), var(--shadow-card);
}

.course-card > * { position: relative; z-index: 1; }

.card-icon {
  width: 60px; height: 60px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.card-icon.ai { background: rgba(245,166,35,0.15); color: var(--primary); }
.card-icon.ds { background: rgba(0,200,83,0.12); color: #00c853; }
.card-icon.ml { background: rgba(0,212,255,0.12); color: var(--accent); }
.card-icon.py { background: rgba(55,118,171,0.15); color: #3776ab; }
.card-icon.web { background: rgba(124,58,237,0.15); color: var(--accent2); }
.card-icon.ui { background: rgba(255,64,129,0.12); color: #ff4081; }

.course-card h3 { margin-bottom: 12px; }
.course-card p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 20px; line-height: 1.6; }

.course-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.course-tags li {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  background: rgba(245,166,35,0.08);
  border: 1px solid rgba(245,166,35,0.2);
  padding: 4px 12px;
  border-radius: 100px;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border);
  padding-top: 20px;
}

.duration {
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.card-link {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.card-link:hover { gap: 10px; }

/* ===== FEATURES SECTION ===== */
.features { background: linear-gradient(180deg, transparent, rgba(0,212,255,0.02), transparent); }

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.feature-card:hover {
  border-color: rgba(0,212,255,0.3);
  transform: translateY(-4px);
  box-shadow: 0 0 30px rgba(0,212,255,0.1), var(--shadow-card);
}

.feature-num {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 800;
  color: rgba(245,166,35,0.06);
  line-height: 1;
  margin-bottom: 16px;
}

.feature-icon {
  width: 52px; height: 52px;
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--accent);
  margin-bottom: 20px;
}

.feature-card h3 { margin-bottom: 12px; font-size: 1.1rem; }
.feature-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; }

/* ===== TESTIMONIALS SECTION ===== */
.testimonials { background: var(--bg-section); }

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: var(--transition);
}

.testimonial-card.featured {
  border-color: rgba(245,166,35,0.4);
  background: linear-gradient(135deg, var(--bg-card), rgba(245,166,35,0.05));
  box-shadow: 0 0 40px rgba(245,166,35,0.1);
}

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

.stars { color: var(--primary); font-size: 0.9rem; margin-bottom: 16px; letter-spacing: 2px; }

.testimonial-card blockquote {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
  font-style: italic;
  quotes: "\201C" "\201D";
}

.testimonial-card blockquote::before { content: open-quote; color: var(--primary); font-size: 1.5rem; vertical-align: -4px; }

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
  border-top: 1px solid var(--border);
  padding-top: 20px;
}

.author-avatar {
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--gradient-main);
  color: #000;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.testimonial-author strong { display: block; font-size: 0.95rem; font-weight: 700; }
.testimonial-author span { font-size: 0.8rem; color: var(--text-muted); }

/* ===== FAQ SECTION ===== */
.faq { background: linear-gradient(180deg, transparent, rgba(124,58,237,0.03), transparent); }
.faq-container { max-width: 800px; }

.faq-list { display: flex; flex-direction: column; gap: 12px; }

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.open { border-color: rgba(245,166,35,0.35); }

.faq-q {
  width: 100%;
  text-align: left;
  padding: 22px 24px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: var(--transition);
}

.faq-q:hover { color: var(--primary); }
.faq-item.open .faq-q { color: var(--primary); }

.faq-icon i {
  transition: transform 0.3s ease;
  color: var(--text-muted);
  font-size: 0.85rem;
  flex-shrink: 0;
}

.faq-item.open .faq-icon i { transform: rotate(180deg); color: var(--primary); }

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-a p {
  padding: 0 24px 22px;
  color: var(--text-secondary);
  font-size: 0.93rem;
  line-height: 1.7;
}

.faq-a a { color: var(--primary); }

/* ===== CONTACT SECTION ===== */
.contact { background: var(--bg-section); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 48px;
  align-items: flex-start;
}

.info-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  transition: var(--transition);
}

.info-card:hover { border-color: rgba(245,166,35,0.3); }

.info-card i {
  color: var(--primary);
  font-size: 1.1rem;
  margin-top: 2px;
  flex-shrink: 0;
}

.info-card h3 { font-size: 0.85rem; font-weight: 700; margin-bottom: 4px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; }
.info-card a { color: var(--primary); }
.info-card p, .info-card address { font-size: 0.9rem; color: var(--text-secondary); }

.map-wrap {
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
  margin-top: 8px;
}

/* ===== CONTACT FORM ===== */
.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
}

.contact-form h3 {
  font-size: 1.4rem;
  margin-bottom: 28px;
  color: var(--text-primary);
}

.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  letter-spacing: 0.03em;
}

.form-group label span { color: var(--primary); }

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--bg-dark);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-primary);
  transition: var(--transition);
  outline: none;
  -webkit-appearance: none;
}

.form-group select { cursor: pointer; }
.form-group select option { background: var(--bg-card); }

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: rgba(245,166,35,0.5);
  box-shadow: 0 0 0 3px rgba(245,166,35,0.1);
}

.form-group input.error,
.form-group textarea.error { border-color: #ff4757; }

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }

.field-error {
  display: block;
  font-size: 0.78rem;
  color: #ff4757;
  margin-top: 6px;
  min-height: 1em;
}

.form-success {
  margin-top: 16px;
  padding: 14px 18px;
  background: rgba(0,200,83,0.1);
  border: 1px solid rgba(0,200,83,0.3);
  border-radius: var(--radius-sm);
  color: #00c853;
  font-size: 0.9rem;
  font-weight: 500;
  display: none;
}

/* ===== FOOTER ===== */
.footer { background: #040810; border-top: 1px solid var(--border); }

.footer-top { padding: 72px 0; }

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 20px 0 24px;
  max-width: 280px;
}

.social-links { display: flex; gap: 12px; }

.social-links a {
  width: 40px; height: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.social-links a:hover {
  background: rgba(245,166,35,0.1);
  border-color: rgba(245,166,35,0.4);
  color: var(--primary);
  transform: translateY(-2px);
}

.footer-links h4 {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 20px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.footer-links ul { display: flex; flex-direction: column; gap: 10px; }

.footer-links a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: var(--transition);
  display: inline-block;
}

.footer-links a:hover { color: var(--primary); transform: translateX(4px); }

.footer-contact h4 {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 20px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.footer-contact p {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 12px;
}

.footer-contact i { color: var(--primary); flex-shrink: 0; margin-top: 3px; }
.footer-contact a { color: var(--text-muted); }
.footer-contact a:hover { color: var(--primary); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== FLOATING BUTTONS ===== */
.whatsapp-float,
.call-float {
  position: fixed;
  bottom: 28px;
  width: 56px; height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  z-index: 999;
  box-shadow: 0 4px 24px rgba(0,0,0,0.4);
  transition: var(--transition);
}

.whatsapp-float { right: 28px; background: #25d366; color: #fff; }
.call-float { right: 96px; background: var(--gradient-main); color: #000; font-size: 1.1rem; }

.whatsapp-float:hover,
.call-float:hover { transform: scale(1.1); }

.float-tooltip {
  position: absolute;
  right: 66px;
  background: rgba(0,0,0,0.85);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.call-float .float-tooltip { right: 66px; }

.whatsapp-float:hover .float-tooltip,
.call-float:hover .float-tooltip { opacity: 1; }

/* ===== SCROLL TO TOP ===== */
.scroll-top {
  position: fixed;
  bottom: 28px;
  left: 28px;
  width: 48px; height: 48px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--primary);
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
  cursor: pointer;
}

.scroll-top.visible { opacity: 1; transform: translateY(0); }
.scroll-top:hover { background: rgba(245,166,35,0.1); border-color: rgba(245,166,35,0.4); }

/* ===== REVEAL ANIMATIONS ===== */
.reveal-up, .reveal-left, .reveal-right {
  opacity: 0;
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-up { transform: translateY(40px); }
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }

.reveal-up.visible,
.reveal-left.visible,
.reveal-right.visible {
  opacity: 1;
  transform: none;
}

/* Stagger children */
.courses-grid .course-card:nth-child(2) { transition-delay: 0.1s; }
.courses-grid .course-card:nth-child(3) { transition-delay: 0.2s; }
.courses-grid .course-card:nth-child(4) { transition-delay: 0.05s; }
.courses-grid .course-card:nth-child(5) { transition-delay: 0.15s; }
.courses-grid .course-card:nth-child(6) { transition-delay: 0.25s; }

.features-grid .feature-card:nth-child(2) { transition-delay: 0.1s; }
.features-grid .feature-card:nth-child(3) { transition-delay: 0.2s; }
.features-grid .feature-card:nth-child(4) { transition-delay: 0.05s; }
.features-grid .feature-card:nth-child(5) { transition-delay: 0.15s; }
.features-grid .feature-card:nth-child(6) { transition-delay: 0.25s; }

.testimonials-grid .testimonial-card:nth-child(2) { transition-delay: 0.1s; }
.testimonials-grid .testimonial-card:nth-child(3) { transition-delay: 0.2s; }
.testimonials-grid .testimonial-card:nth-child(4) { transition-delay: 0.05s; }
.testimonials-grid .testimonial-card:nth-child(5) { transition-delay: 0.15s; }
.testimonials-grid .testimonial-card:nth-child(6) { transition-delay: 0.25s; }

/* ===== RESPONSIVE — TABLET ===== */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; text-align: center; padding: 120px 24px 80px; max-width: 680px; }
  .hero-visual { display: none; }
  .hero-sub { max-width: 100%; }
  .hero-btns { justify-content: center; }
  .hero-stats { justify-content: center; }
  .stat-item { align-items: center; }

  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-visual { display: none; }

  .courses-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}

/* ===== RESPONSIVE — MOBILE ===== */
@media (max-width: 640px) {
  .section-pad { padding: 72px 0; }

  .nav-links {
    position: fixed;
    top: 0; right: 0;
    width: min(320px, 85vw);
    height: 100vh;
    background: rgba(8,12,20,0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 24px;
    padding: 40px 32px;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 1px solid var(--border);
    z-index: 999;
  }

  .nav-links.open { transform: translateX(0); }
  .nav-links a { font-size: 1.1rem; color: var(--text-primary); }
  .hamburger { display: flex; z-index: 1000; }

  .hero { padding-top: 100px; }
  .hero-stats { gap: 0; justify-content: space-around; }
  .stat-divider { display: none; }
  .stat-item { padding: 0 8px; }
  .stat-num { font-size: 1.6rem; }

  .courses-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 24px; }

  .whatsapp-float { bottom: 20px; right: 20px; }
  .call-float { right: 84px; bottom: 20px; }
  .scroll-top { left: 20px; bottom: 20px; }

  .section-header { margin-bottom: 40px; }
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 4px;
}