/* =============================================
   JUTAN SIR COMPUTER HOME TUITION — STYLE.CSS
   ============================================= */

/* ---- RESET & BASE ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Poppins', 'Noto Sans Bengali', system-ui, sans-serif;
  color: #0F172A;
  background: #F8FAFC;
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }

/* ---- CSS VARIABLES ---- */
:root {
  --navy: #071B3A;
  --royal: #155EEF;
  --orange: #F97316;
  --yellow: #FACC15;
  --white: #FFFFFF;
  --bg: #F8FAFC;
  --gray: #475569;
  --heading: #0F172A;
  --shadow-sm: 0 2px 8px rgba(7,27,58,0.08);
  --shadow-md: 0 4px 20px rgba(7,27,58,0.12);
  --shadow-lg: 0 8px 40px rgba(7,27,58,0.16);
  --radius: 16px;
  --radius-sm: 10px;
  --transition: 0.3s ease;
}

/* ---- CONTAINER ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ---- TYPOGRAPHY ---- */
h1 { font-size: clamp(2rem, 5vw, 3.4rem); font-weight: 800; line-height: 1.15; color: var(--heading); }
h2 { font-size: clamp(1.6rem, 4vw, 2.5rem); font-weight: 700; color: var(--heading); line-height: 1.25; }
h3 { font-size: 1.15rem; font-weight: 700; color: var(--heading); }
h4 { font-size: 1rem; font-weight: 600; color: var(--heading); }
p { color: var(--gray); line-height: 1.75; }

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 50px; font-weight: 600;
  font-size: 0.95rem; transition: all var(--transition);
  white-space: nowrap; cursor: pointer;
}
.btn-primary {
  background: var(--orange); color: var(--white);
  box-shadow: 0 4px 20px rgba(249,115,22,0.35);
}
.btn-primary:hover { background: #ea6c0a; transform: translateY(-2px); box-shadow: 0 8px 28px rgba(249,115,22,0.45); }
.btn-outline {
  background: transparent; color: var(--navy);
  border: 2px solid var(--navy);
}
.btn-outline:hover { background: var(--navy); color: var(--white); transform: translateY(-2px); }
.btn-wa-header {
  display: inline-flex; align-items: center; gap: 7px;
  background: #25D366; color: #fff; padding: 9px 18px;
  border-radius: 50px; font-weight: 600; font-size: 0.85rem;
  transition: all var(--transition);
}
.btn-wa-header:hover { background: #20bb5a; transform: translateY(-1px); }
.btn-wa-big {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  background: #25D366; color: #fff; padding: 18px 36px;
  border-radius: 50px; font-weight: 700; font-size: 1.05rem;
  box-shadow: 0 6px 28px rgba(37,211,102,0.4);
  transition: all var(--transition);
}
.btn-wa-big:hover { background: #20bb5a; transform: translateY(-3px); box-shadow: 0 10px 36px rgba(37,211,102,0.5); }
.btn-call-big {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  background: var(--royal); color: #fff; padding: 18px 36px;
  border-radius: 50px; font-weight: 700; font-size: 1.05rem;
  box-shadow: 0 6px 28px rgba(21,94,239,0.3);
  transition: all var(--transition);
}
.btn-call-big:hover { background: #0f4ed4; transform: translateY(-3px); }
.btn-view-more {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: 50px;
  border: 2px solid #e2e8f0; color: var(--royal);
  font-weight: 600; font-size: 0.9rem;
  background: #fff; transition: all var(--transition);
}
.btn-view-more:hover { border-color: var(--royal); background: #eff6ff; }
.btn-view-more .chevron { transition: transform var(--transition); }
.btn-view-more[aria-expanded="true"] .chevron { transform: rotate(180deg); }
.mt-2 { margin-top: 1.5rem; }

/* ---- SECTION TAGS ---- */
.section-tag {
  display: inline-block; padding: 5px 16px;
  background: #eff6ff; color: var(--royal);
  border-radius: 50px; font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 12px;
}
.section-tag.light { background: rgba(255,255,255,0.2); color: #fff; }

/* ---- SECTION LAYOUT ---- */
.section { padding: 90px 0; }
.section-alt { background: #fff; }
.section-header { text-align: center; max-width: 680px; margin: 0 auto 56px; }
.section-header h2 { margin-bottom: 14px; }
.section-header p { font-size: 1.05rem; }
.text-left { text-align: left; margin: 0 0 40px; }

/* ---- HEADER ---- */
.header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid #e2e8f0;
  transition: box-shadow var(--transition);
}
.header.scrolled { box-shadow: var(--shadow-md); }
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px; gap: 16px;
}
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon { font-size: 1.6rem; }
.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-main { font-size: 1rem; font-weight: 800; color: var(--navy); }
.logo-sub { font-size: 0.68rem; font-weight: 500; color: var(--gray); }
.nav { display: flex; align-items: center; gap: 4px; }
.nav-link {
  padding: 6px 12px; border-radius: 8px;
  font-size: 0.84rem; font-weight: 500; color: #334155;
  transition: all var(--transition);
}
.nav-link:hover { color: var(--royal); background: #eff6ff; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.lang-switcher { display: flex; align-items: center; gap: 4px; }
.lang-btn {
  padding: 5px 10px; border-radius: 6px;
  font-size: 0.78rem; font-weight: 600; color: var(--gray);
  transition: all var(--transition);
}
.lang-btn:hover, .lang-btn.active { background: var(--royal); color: #fff; }
.lang-sep { color: #cbd5e1; font-size: 0.75rem; }
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  padding: 8px; border-radius: 8px;
}
.hamburger span {
  width: 22px; height: 2px; background: var(--navy);
  border-radius: 2px; transition: all var(--transition); display: block;
}
.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 ---- */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, #071B3A 0%, #0f2d6e 40%, #155EEF 100%);
  padding: 90px 0 100px;
}
.hero-bg-shapes { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.shape {
  position: absolute; border-radius: 50%;
  background: rgba(255,255,255,0.04);
}
.shape-1 { width: 600px; height: 600px; top: -200px; right: -100px; }
.shape-2 { width: 400px; height: 400px; bottom: -150px; left: -100px; background: rgba(249,115,22,0.06); }
.shape-3 { width: 200px; height: 200px; top: 50%; left: 40%; background: rgba(250,204,21,0.05); }
.dots-pattern {
  position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.08) 1px, transparent 1px);
  background-size: 32px 32px;
}
.hero-inner {
  display: grid; grid-template-columns: 1fr 1fr;
  align-items: center; gap: 60px; position: relative; z-index: 1;
}
.hero-content { color: #fff; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
.badge {
  padding: 6px 14px; border-radius: 50px; font-size: 0.8rem; font-weight: 600;
  backdrop-filter: blur(8px);
}
.badge-location { background: rgba(255,255,255,0.12); color: #fff; border: 1px solid rgba(255,255,255,0.2); }
.badge-available { background: rgba(37,211,102,0.2); color: #4ade80; border: 1px solid rgba(37,211,102,0.3); }
.hero-title { color: #fff; margin-bottom: 18px; }
.hero-subtitle { color: rgba(255,255,255,0.8); font-size: 1.05rem; margin-bottom: 28px; max-width: 500px; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 36px; }
.trust-pill {
  padding: 7px 14px; background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2); border-radius: 50px;
  font-size: 0.8rem; font-weight: 500; color: #fff;
  backdrop-filter: blur(8px);
}
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; }

/* Hero Visual */
.hero-visual {
  position: relative; display: flex; align-items: center; justify-content: center;
  height: 400px;
}
.hero-card-main {
  background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.15);
  border-radius: 24px; padding: 32px; backdrop-filter: blur(12px);
  width: 300px;
}
.laptop-illustration { display: flex; flex-direction: column; align-items: center; gap: 0; }
.laptop-screen {
  width: 240px; height: 155px; background: #0d1117;
  border-radius: 10px 10px 0 0; overflow: hidden;
  border: 3px solid #30363d; position: relative;
}
.screen-content { padding: 10px; }
.screen-bar { display: flex; gap: 5px; margin-bottom: 10px; }
.screen-bar span { width: 8px; height: 8px; border-radius: 50%; }
.screen-bar span:nth-child(1) { background: #ff5f57; }
.screen-bar span:nth-child(2) { background: #febc2e; }
.screen-bar span:nth-child(3) { background: #28c840; }
.screen-code { font-family: 'Courier New', monospace; font-size: 0.7rem; line-height: 1.8; }
.code-line { color: #e6edf3; }
.code-line.indent { padding-left: 16px; }
.kw { color: #ff7b72; }
.fn { color: #d2a8ff; }
.str { color: #a5d6ff; }
.num { color: #79c0ff; }
.paren { color: #e6edf3; }
.screen-icons { display: flex; gap: 8px; margin-top: 12px; }
.app-icon {
  width: 28px; height: 28px; border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; font-weight: 800; color: #fff;
}
.laptop-base { width: 260px; height: 10px; background: #2a2a2a; border-radius: 0 0 4px 4px; }
.laptop-keyboard { width: 280px; height: 6px; background: #1a1a1a; border-radius: 0 0 8px 8px; margin-top: 2px; }

/* Float Cards */
.float-card {
  position: absolute; background: #fff; border-radius: 12px;
  padding: 10px 16px; font-size: 0.8rem; font-weight: 600; color: var(--navy);
  box-shadow: var(--shadow-md); display: flex; align-items: center; gap: 6px;
  white-space: nowrap;
}
.fc-1 { top: 30px; left: -20px; }
.fc-2 { top: 50%; right: -30px; transform: translateY(-80%); }
.fc-3 { bottom: 60px; left: -10px; }
.fc-4 { bottom: 30px; right: -10px; }

/* ---- COURSES ---- */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.course-card {
  background: #fff; border-radius: var(--radius);
  padding: 28px 24px; box-shadow: var(--shadow-sm);
  border: 1px solid #f1f5f9; transition: all var(--transition);
  display: flex; flex-direction: column; gap: 10px;
}
.course-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); border-color: #e0e7ff; }
.course-icon {
  width: 56px; height: 56px; border-radius: 14px;
  font-size: 1.6rem; display: flex; align-items: center; justify-content: center;
}
.course-card h3 { margin-top: 4px; }
.course-card p { font-size: 0.9rem; flex: 1; }
.course-benefit {
  font-size: 0.78rem; font-weight: 600; color: var(--royal);
  padding: 5px 0; border-top: 1px solid #f1f5f9; margin-top: auto;
}

/* ---- ICT SECTION ---- */
.ict-section {
  background: linear-gradient(135deg, #0f2260 0%, #155EEF 100%);
  color: #fff; position: relative; overflow: hidden;
}
.ict-bg-shape {
  position: absolute; width: 500px; height: 500px; border-radius: 50%;
  background: rgba(255,255,255,0.04); top: -200px; right: -100px;
  pointer-events: none;
}
.ict-section .section-header h2 { color: #fff; }
.ict-section .section-header p { color: rgba(255,255,255,0.75); }
.ict-badge {
  display: inline-block; padding: 7px 20px;
  background: rgba(250,204,21,0.2); color: var(--yellow);
  border: 1px solid rgba(250,204,21,0.4);
  border-radius: 50px; font-size: 0.82rem; font-weight: 700;
  margin-bottom: 20px; text-align: center; width: 100%;
}
.ict-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.ict-list { display: flex; flex-direction: column; gap: 14px; }
.ict-list li { color: rgba(255,255,255,0.9); font-size: 1rem; font-weight: 500; }
.ict-card-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.ict-mini-card {
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.15);
  border-radius: 14px; padding: 20px 16px;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  font-size: 0.85rem; font-weight: 600; color: #fff;
  text-align: center; font-size: 1.3rem;
  backdrop-filter: blur(8px); transition: all var(--transition);
}
.ict-mini-card span:last-child { font-size: 0.82rem; }
.ict-mini-card:hover { background: rgba(255,255,255,0.18); transform: translateY(-3px); }

/* ---- SCHOOLS ---- */
.schools-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
.school-chip {
  padding: 8px 16px; background: #eff6ff;
  border: 1px solid #bfdbfe; border-radius: 50px;
  font-size: 0.82rem; font-weight: 500; color: #1e40af;
  transition: all var(--transition);
}
.school-chip:hover { background: #dbeafe; border-color: var(--royal); }
.view-more-wrap { text-align: center; margin: 12px 0 24px; }
.schools-expanded { margin-top: 24px; }
.schools-category { margin-bottom: 28px; }
.schools-category h4 { color: var(--navy); margin-bottom: 14px; font-size: 0.92rem; text-transform: uppercase; letter-spacing: 0.04em; }
.schools-disclaimer {
  background: #fefce8; border: 1px solid #fef08a;
  border-radius: 12px; padding: 16px 20px; margin: 24px 0;
}
.schools-disclaimer p { font-size: 0.85rem; color: #713f12; }
.schools-cta { text-align: center; margin-top: 32px; }
.schools-cta p { font-size: 1.05rem; margin-bottom: 20px; color: var(--heading); font-weight: 500; }

/* ---- BENEFITS ---- */
.benefits-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}
.benefit-card {
  background: #fff; border-radius: var(--radius);
  padding: 28px 20px; box-shadow: var(--shadow-sm);
  border: 1px solid #f1f5f9; text-align: center;
  transition: all var(--transition);
}
.benefit-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.benefit-icon { font-size: 2rem; margin-bottom: 12px; }
.benefit-card h4 { font-size: 0.95rem; color: var(--heading); }

/* ---- WHO ---- */
.who-section {}
.who-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.who-list { display: flex; flex-direction: column; gap: 14px; }
.who-item {
  display: flex; align-items: center; gap: 14px;
  background: #fff; border-radius: 12px; padding: 16px 20px;
  box-shadow: var(--shadow-sm); border: 1px solid #f1f5f9;
  transition: all var(--transition);
}
.who-item:hover { box-shadow: var(--shadow-md); transform: translateX(6px); }
.who-icon { font-size: 1.4rem; }
.who-item span:last-child { font-weight: 500; color: var(--heading); }

/* ---- ABOUT ---- */
.about-inner { display: grid; grid-template-columns: 1fr 1.4fr; gap: 60px; align-items: center; }
.about-card {
  background: linear-gradient(135deg, #071B3A, #155EEF);
  border-radius: 24px; padding: 40px; color: #fff; text-align: center;
  box-shadow: var(--shadow-lg);
}
.about-avatar { font-size: 4rem; margin-bottom: 16px; }
.about-card h3 { color: #fff; font-size: 1.5rem; margin-bottom: 4px; }
.about-card > p { color: rgba(255,255,255,0.75); font-size: 0.9rem; margin-bottom: 16px; }
.about-tags { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 24px; }
.about-tags span {
  padding: 5px 14px; background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2); border-radius: 50px;
  font-size: 0.8rem; font-weight: 500;
}
.about-stats { display: flex; justify-content: space-around; border-top: 1px solid rgba(255,255,255,0.15); padding-top: 24px; }
.stat { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.stat-num { font-size: 1.6rem; font-weight: 800; color: var(--yellow); }
.stat span:last-child { font-size: 0.72rem; color: rgba(255,255,255,0.7); }
.about-content > * { margin-bottom: 16px; }
.about-content p { font-size: 1rem; }
.about-trust-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 24px; }
.trust-card {
  background: #eff6ff; border-radius: 10px; padding: 12px 16px;
  font-size: 0.88rem; font-weight: 600; color: var(--navy);
  border: 1px solid #bfdbfe; display: flex; align-items: center; gap: 8px;
}

/* ---- FAQ ---- */
.faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: #fff; border-radius: 14px;
  border: 1px solid #e2e8f0; overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.faq-q {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  padding: 20px 24px; font-size: 1rem; font-weight: 600; color: var(--heading);
  cursor: pointer; transition: background var(--transition); text-align: left;
}
.faq-q:hover { background: #f8fafc; }
.faq-q[aria-expanded="true"] { color: var(--royal); }
.faq-icon { flex-shrink: 0; transition: transform var(--transition); color: var(--gray); }
.faq-q[aria-expanded="true"] .faq-icon { transform: rotate(180deg); color: var(--royal); }
.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 24px;
}
.faq-a.open { max-height: 200px; padding: 0 24px 20px; }
.faq-a p { font-size: 0.95rem; }

/* ---- CONTACT ---- */
.contact-section { background: var(--navy); position: relative; overflow: hidden; }
.contact-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at top right, #155EEF22, transparent 60%),
              radial-gradient(ellipse at bottom left, #F9731620, transparent 60%);
}
.contact-card {
  position: relative; z-index: 1;
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12);
  border-radius: 24px; padding: 56px;
  display: grid; grid-template-columns: 1.3fr 1fr; gap: 60px;
  align-items: center; backdrop-filter: blur(12px);
}
.contact-text .section-tag.light { background: rgba(255,255,255,0.15); }
.contact-text h2 { color: #fff; margin-bottom: 14px; }
.contact-text p { color: rgba(255,255,255,0.75); margin-bottom: 28px; font-size: 1rem; }
.contact-info-list { display: flex; flex-direction: column; gap: 18px; }
.contact-info-item { display: flex; align-items: center; gap: 14px; }
.contact-info-icon {
  width: 44px; height: 44px; background: #25D366; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; flex-shrink: 0;
}
.contact-info-icon.phone-icon { background: var(--royal); }
.contact-info-icon.loc-icon { background: var(--orange); }
.contact-info-item div { display: flex; flex-direction: column; }
.contact-info-item strong { color: #fff; font-size: 0.9rem; }
.contact-info-item span { color: rgba(255,255,255,0.7); font-size: 0.9rem; }
.contact-ctas { display: flex; flex-direction: column; gap: 16px; }

/* ---- FOOTER ---- */
.footer { background: #020d1f; color: #94a3b8; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; padding: 64px 24px 40px; }
.footer-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-logo span { font-size: 2rem; }
.footer-logo strong { color: #fff; font-size: 1.05rem; display: block; }
.footer-logo small { font-size: 0.75rem; color: #64748b; }
.footer-tagline { font-size: 0.9rem; line-height: 1.7; margin-bottom: 20px; }
.footer-contact { display: flex; flex-direction: column; gap: 8px; }
.footer-contact-link { font-size: 0.88rem; color: #94a3b8; }
.footer h4 { color: #fff; font-size: 0.92rem; margin-bottom: 18px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links li, .footer-links a { font-size: 0.88rem; color: #64748b; transition: color var(--transition); }
.footer-links a:hover { color: var(--orange); }
.footer-bottom { border-top: 1px solid #0f172a; padding: 20px 24px; text-align: center; }
.footer-bottom p { font-size: 0.82rem; color: #475569; }
.footer-seo { font-size: 0.72rem; color: #334155; margin-top: 6px; line-height: 1.6; }

/* ---- FLOATING BUTTONS ---- */
.fab-wa {
  position: fixed; bottom: 90px; right: 24px; z-index: 900;
  width: 56px; height: 56px; background: #25D366; color: #fff;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.45);
  transition: all var(--transition);
}
.fab-wa:hover { background: #1aad57; transform: scale(1.1); }
.fab-top {
  position: fixed; bottom: 24px; right: 24px; z-index: 900;
  width: 44px; height: 44px; background: var(--navy); color: #fff;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md); opacity: 0; pointer-events: none;
  transition: all var(--transition);
}
.fab-top.visible { opacity: 1; pointer-events: all; }
.fab-top:hover { background: var(--royal); transform: translateY(-3px); }

/* ---- ANIMATIONS ---- */
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-12px)} }
@keyframes floatSlow { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-7px)} }
@keyframes pulseWA {
  0%,100% { box-shadow: 0 4px 20px rgba(37,211,102,0.45); }
  50% { box-shadow: 0 4px 32px rgba(37,211,102,0.7), 0 0 0 8px rgba(37,211,102,0.12); }
}
.floating { animation: float 3s ease-in-out infinite; }
.floating-slow { animation: floatSlow 4s ease-in-out infinite; }
.fc-2 { animation-delay: 1s; }
.fc-4 { animation-delay: 0.5s; }
.pulse { animation: pulseWA 2.5s ease-in-out infinite; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: none; }
.reveal-right { transform: translateX(40px); }
.reveal-right.visible { transform: none; }

/* ---- MOBILE RESPONSIVE ---- */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { display: none; }
  .ict-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-inner { grid-template-columns: 1fr; }
  .contact-card { grid-template-columns: 1fr; padding: 40px; gap: 40px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .who-inner { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .nav {
    position: fixed; top: 68px; left: 0; right: 0;
    background: #fff; flex-direction: column; align-items: stretch;
    padding: 16px; gap: 4px;
    border-bottom: 1px solid #e2e8f0; box-shadow: var(--shadow-md);
    display: none;
  }
  .nav.open { display: flex; }
  .nav-link { padding: 12px 16px; border-radius: 10px; }
  .hamburger { display: flex; }
  .btn-wa-header span { display: none; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero { padding: 60px 0 70px; }
  .section { padding: 64px 0; }
  .courses-grid { grid-template-columns: 1fr; }
  .benefits-grid { grid-template-columns: 1fr 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; padding: 48px 24px 32px; }
  .contact-card { padding: 32px 24px; }
  .about-trust-grid { grid-template-columns: 1fr; }
  .who-inner { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .benefits-grid { grid-template-columns: 1fr; }
  .hero-ctas { flex-direction: column; }
  .contact-ctas { flex-direction: column; }
  h1 { font-size: 1.9rem; }
  h2 { font-size: 1.5rem; }
  .ict-card-grid { grid-template-columns: 1fr 1fr; }
  .lang-switcher { display: none; }
  .hero-badges { flex-direction: column; gap: 8px; }
}