/* ═══════════════════════════════════════════════════════
   CODERZ Bootcamp Landing — Light/Dark Premium Theme 
   ═══════════════════════════════════════════════════════ */

/* ——— Light Mode (Default) ——— */
:root {
    --primary: #0ea5e9;
    --primary-dark: #0284c7;
    --primary-light: #e0f2fe;
    --secondary: #6366f1;
    --accent: #f59e0b;
    --bg: #ffffff;
    --bg-alt: #f8fafc;
    --bg-section: #f1f5f9;
    --dark: #0f172a;
    --text: #1e293b;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --glass: rgba(0, 0, 0, 0.02);
    --glass-border: rgba(0, 0, 0, 0.08);
    --card-bg: #ffffff;
    --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    --card-hover-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
    --hero-bg: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    --hero-text: #ffffff;
    --hero-overlay: rgba(15, 23, 42, 0.85);
    --nav-bg: rgba(255, 255, 255, 0.95);
    --nav-text: #1e293b;
    --nav-border: rgba(0, 0, 0, 0.06);
    --cyan-glow: rgba(14, 165, 233, 0.15);
    --footer-bg: #0f172a;
    --footer-text: #94a3b8;
    --radius: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ——— Dark Mode ——— */
[data-theme="dark"] {
    --bg: #020617;
    --bg-alt: #0f172a;
    --bg-section: #0a0e14;
    --text: #f1f5f9;
    --text-muted: #94a3b8;
    --text-light: #64748b;
    --glass: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --card-bg: #0f172a;
    --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    --card-hover-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
    --nav-bg: rgba(10, 14, 20, 0.95);
    --nav-text: #f1f5f9;
    --nav-border: rgba(255, 255, 255, 0.08);
    --primary-light: rgba(14, 165, 233, 0.15);
}

/* ——— Reset & Base ——— */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Cairo', 'Poppins', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
    transition: background 0.4s ease, color 0.4s ease;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }

/* ——— Theme Toggle ——— */
.theme-toggle {
    width: 44px; height: 44px;
    border-radius: 50%;
    border: 2px solid var(--glass-border);
    background: var(--glass);
    color: var(--nav-text);
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.theme-toggle:hover { border-color: var(--primary); transform: scale(1.1); }
.theme-toggle .icon-sun, .theme-toggle .icon-moon { position: absolute; transition: var(--transition); }
.theme-toggle .icon-sun { opacity: 1; transform: rotate(0); }
.theme-toggle .icon-moon { opacity: 0; transform: rotate(90deg); }
[data-theme="dark"] .theme-toggle .icon-sun { opacity: 0; transform: rotate(-90deg); }
[data-theme="dark"] .theme-toggle .icon-moon { opacity: 1; transform: rotate(0); }
/* Hero-specific white toggle */
.hero .theme-toggle { border-color: rgba(255,255,255,0.2); color: #fff; background: rgba(255,255,255,0.1); }

/* ——— Navigation ——— */
nav {
    background: var(--nav-bg);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--nav-border);
    padding: 0.8rem 0;
    position: fixed; width: 100%; top: 0; z-index: 1000;
    transition: var(--transition);
}
.nav-container {
    max-width: 1200px; margin: 0 auto; padding: 0 1.5rem;
    display: flex; justify-content: space-between; align-items: center;
}
.header-logos { display: flex; align-items: center; gap: 1rem; }
.header-logos img { height: 40px; }
.nav-links { display: flex; list-style: none; gap: 2rem; }
.nav-links a {
    color: var(--nav-text); font-weight: 600; font-size: 0.92rem;
    transition: var(--transition); position: relative;
}
.nav-links a:hover { color: var(--primary); }
.nav-links a::after {
    content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px;
    background: var(--primary); transition: width 0.3s ease;
}
.nav-links a:hover::after { width: 100%; }
.nav-actions { display: flex; align-items: center; gap: 1rem; }
.phone-link { color: var(--nav-text); font-size: 0.9rem; direction: ltr; font-weight: 600; }
.cta-button {
    background: var(--primary); color: #fff;
    padding: 0.6rem 1.5rem; border-radius: 0.6rem; border: none;
    cursor: pointer; font-weight: 700; font-size: 0.9rem;
    transition: var(--transition); font-family: inherit;
}
.cta-button:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 4px 15px rgba(14,165,233,0.3); }
.menu-toggle {
    display: none; background: none; border: none; color: var(--nav-text);
    font-size: 1.8rem; cursor: pointer; z-index: 1001;
}

/* ——— Hero Section ——— */
.hero {
    width: 100%; min-height: 100vh;
    background: var(--hero-bg);
    background-size: cover; background-position: center;
    display: flex; align-items: center; justify-content: center;
    padding: 120px 2rem 80px; text-align: center;
    position: relative; overflow: hidden;
    max-width: 100%;
}
.hero::before {
    content: ''; position: absolute; inset: 0;
    background: var(--hero-overlay);
    z-index: 1;
}
.hero-content { position: relative; z-index: 2; max-width: 900px; margin: 0 auto; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 0.5rem;
    background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2);
    padding: 0.5rem 1.5rem; border-radius: 2rem;
    font-size: 0.9rem; color: rgba(255,255,255,0.8); margin-bottom: 1.5rem;
}
.badge-dot {
    width: 8px; height: 8px; background: var(--primary); border-radius: 50%;
    box-shadow: 0 0 10px var(--primary); animation: pulse-glow 2s infinite;
}
@keyframes pulse-glow { 0%,100% { box-shadow: 0 0 5px var(--primary); } 50% { box-shadow: 0 0 20px var(--primary); } }
.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.5rem); font-weight: 900;
    color: #fff; margin-bottom: 0.75rem; line-height: 1.2;
}
.hero h1 span { color: var(--primary); }
.hero-subtitle { font-size: 1.15rem; color: var(--primary); margin-bottom: 1rem; font-weight: 600; }
.hero .description { font-size: 1.05rem; color: rgba(255,255,255,0.9); max-width: 700px; margin: 0 auto 2rem; line-height: 1.8; }

/* Hero Stats */
.hero-stats {
    display: flex; justify-content: center; gap: 1.5rem; margin-bottom: 2rem; flex-wrap: wrap;
}
.stat-item {
    display: flex; align-items: center; gap: 0.5rem;
    color: #fff; font-weight: 600; font-size: 0.95rem;
}
.stat-item i { color: var(--primary); font-size: 1.1rem; }
.stat-val { font-weight: 800; font-size: 1.1rem; }
.stat-txt { color: rgba(255,255,255,0.6); font-size: 0.88rem; }

/* Hero Buttons */
.hero-buttons { display: flex; gap: 1rem; justify-content: center; margin-bottom: 2rem; flex-wrap: wrap; }
.btn {
    padding: 0.9rem 2.2rem; border-radius: 0.75rem; font-weight: 700;
    font-size: 1rem; cursor: pointer; transition: var(--transition);
    border: none; font-family: inherit; display: inline-flex; align-items: center; gap: 0.5rem;
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #6366f1 100%);
    color: #fff; box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(14,165,233,0.4); }
.btn-secondary {
    background: rgba(255,255,255,0.1); color: #fff;
    border: 1px solid rgba(255,255,255,0.2);
}
.btn-secondary:hover { background: rgba(255,255,255,0.2); transform: translateY(-2px); }

/* ——— Countdown ——— */
.countdown {
    background: rgba(255,255,255,0.08); backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.12); padding: 2rem 2.5rem;
    border-radius: var(--radius-xl); display: inline-block;
}
.countdown-title {
    background: linear-gradient(to right, var(--primary), #6366f1);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700; margin-bottom: 0.5rem; letter-spacing: 1px; text-transform: uppercase;
}
.countdown-date { font-size: 1.5rem; font-weight: 900; color: #fff; margin-bottom: 1.5rem; }
.countdown-timer { display: flex; gap: 0.75rem; justify-content: center; }
.time-unit {
    background: rgba(255,255,255,0.08); padding: 0.75rem 1rem;
    border-radius: var(--radius); min-width: 70px;
    border: 1px solid rgba(255,255,255,0.1); text-align: center;
}
.time-value { font-size: 1.8rem; font-weight: 900; color: var(--primary); }
.time-label { font-size: 0.7rem; color: rgba(255,255,255,0.6); margin-top: 4px; }
.day-badges { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem; margin-top: 1rem; }
.day-badge {
    background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2);
    border-radius: 0.5rem; padding: 0.4rem 1rem;
    font-weight: 700; font-size: 0.9rem; color: #fff;
}

/* ——— Floating Tech Icons ——— */
.floating-icons { position: absolute; width: 100%; height: 100%; top: 0; left: 0; pointer-events: none; z-index: 1; }
.tech-icon {
    position: absolute; width: 70px; height: 70px;
    background: rgba(255,255,255,0.05); backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.1); border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    animation: float 8s ease-in-out infinite;
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}
.tech-icon i { font-size: 2rem; opacity: 0.8; }
.icon-pos-1 { top: 20%; left: 8%; animation-delay: 0s; }
.icon-pos-2 { top: 50%; left: 4%; animation-delay: 1s; }
.icon-pos-3 { top: 22%; right: 8%; animation-delay: 0.5s; }
.icon-pos-4 { top: 55%; right: 4%; animation-delay: 1.5s; }
.icon-pos-5 { top: 75%; left: 12%; animation-delay: 2s; }
@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-25px) rotate(3deg); }
}

/* ——— Section Core ——— */
section { padding: 5rem 2rem; max-width: 1200px; margin: 0 auto; }
.hero { max-width: 100%; }
.section-title { text-align: center; margin-bottom: 3.5rem; }
.section-title h2 { font-size: 2rem; font-weight: 800; margin-bottom: 0.75rem; color: var(--text); }
.section-title h2 span {
    background: linear-gradient(135deg, var(--primary), #6366f1);
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.section-title p { color: var(--text-muted); font-size: 1rem; max-width: 650px; margin: 0 auto; }

/* Section with alt bg */
.section-alt { background: var(--bg-alt); max-width: 100%; border-top: 1px solid var(--glass-border); border-bottom: 1px solid var(--glass-border); }
.section-alt > .section-title, .section-alt > .features-grid,
.section-alt > .audience-grid, .section-alt > .faq-list,
.section-alt > .stages-list, .section-alt > * { max-width: 1200px; margin-left: auto; margin-right: auto; }

/* ——— Features / Why Different ——— */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; }
.feature-card {
    background: var(--card-bg); border: 1px solid var(--glass-border);
    padding: 2.5rem 2rem; border-radius: var(--radius-xl);
    text-align: center; transition: var(--transition);
    position: relative; overflow: hidden;
    box-shadow: var(--card-shadow);
}
.feature-card::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle at top right, var(--cyan-glow), transparent 70%);
    opacity: 0; transition: opacity 0.4s;
}
.feature-card:hover { transform: translateY(-8px); border-color: var(--primary); box-shadow: var(--card-hover-shadow); }
.feature-card:hover::before { opacity: 1; }
.feature-icon {
    width: 65px; height: 65px;
    background: var(--primary-light);
    border: 1px solid var(--glass-border);
    border-radius: 1rem; display: flex; align-items: center; justify-content: center;
    margin: 0 auto 1.25rem; font-size: 1.8rem; color: var(--primary);
    position: relative; z-index: 1;
}
.feature-icon i {
    background: linear-gradient(135deg, var(--primary), #6366f1);
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.feature-card h3 { font-size: 1.1rem; margin-bottom: 0.75rem; position: relative; z-index: 1; color: var(--text); }
.feature-card p, .feature-card .ql-editor { color: var(--text-muted); line-height: 1.7; position: relative; z-index: 1; font-size: 0.92rem; }

/* ——— Lectures ——— */
.lectures-container {
    margin-top: 4rem; background: var(--bg-alt); padding: 3rem;
    border-radius: var(--radius-xl); border: 1px solid var(--glass-border);
}
.lectures-grid { display: flex; justify-content: center; flex-wrap: wrap; gap: 1.5rem; }
.lecture-item {
    display: flex; flex-direction: column; align-items: center; text-align: center;
    gap: 0.75rem; padding: 2rem 1.5rem;
    background: var(--card-bg); border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border); min-width: 220px; flex: 1; max-width: 300px;
    transition: var(--transition); box-shadow: var(--card-shadow);
}
.lecture-item:hover { border-color: var(--primary); transform: translateY(-4px); }
.lecture-icon { font-size: 2.5rem; color: var(--primary); }
.lecture-info h4 { font-size: 1.1rem; color: var(--text); }
.lecture-info p { color: var(--text-muted); font-size: 0.85rem; }

/* ——— Audience (Dark Section) ——— */
.audience-section {
    background: linear-gradient(135deg, #0a0e1a 0%, #111827 50%, #0f1729 100%);
    padding: 4rem 2rem;
    position: relative;
    overflow: hidden;
}
.audience-section::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(99,102,241,0.08) 0%, transparent 70%);
    pointer-events: none;
}
.audience-section .section-title h2 { color: #fff !important; }
.audience-section .section-title span { color: var(--primary); }
.audience-section .section-title p { color: rgba(255,255,255,0.5) !important; }
.audience-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.25rem; padding: 0 1rem; position: relative; z-index: 1;
}
.audience-card {
    background: rgba(17,24,39,0.85);
    border: 1px solid rgba(99,102,241,0.12);
    padding: 1.75rem 1.25rem; border-radius: 16px;
    text-align: center; transition: all 0.35s cubic-bezier(0.4,0,0.2,1);
    box-shadow: 0 2px 12px rgba(0,0,0,0.2);
    animation: audienceFadeIn 0.5s ease both;
}
@keyframes audienceFadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.audience-card:hover {
    border-color: rgba(99,102,241,0.35);
    transform: translateY(-6px);
    box-shadow: 0 8px 30px rgba(99,102,241,0.12);
    background: rgba(30,41,59,0.9);
}
.audience-icon { font-size: 2.2rem; margin-bottom: 0.75rem; }
.audience-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.5rem; color: #fff; }
.audience-card p { font-size: 0.82rem; color: rgba(255,255,255,0.5); line-height: 1.6; }

/* ——— Stages & FAQ ——— */
.stages-list, .faq-list { display: grid; gap: 1rem; }
.stage-item, .faq-item {
    background: var(--card-bg); border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg); padding: 1.25rem 1.75rem;
    transition: var(--transition); box-shadow: var(--card-shadow);
}
.stage-item:hover, .faq-item:hover { border-color: var(--primary); }
.stage-header, .faq-question {
    display: flex; align-items: center; justify-content: space-between; cursor: pointer;
}
.stage-number {
    width: 42px; height: 42px;
    background: linear-gradient(135deg, var(--primary), #6366f1);
    color: #fff; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-weight: 900; font-size: 0.9rem;
    margin-inline-end: 1.25rem; flex-shrink: 0;
}
.stage-title { flex: 1; }
.stage-title h3 { font-size: 1.05rem; color: var(--text); }
.stage-title p { color: var(--primary); font-size: 0.8rem; font-weight: 700; text-transform: uppercase; }
.stage-duration { color: var(--text-muted); font-weight: 600; font-size: 0.9rem; white-space: nowrap; }
.stage-content, .faq-answer {
    max-height: 0; overflow: hidden; opacity: 0; transition: all 0.5s ease;
}
.stage-item.active .stage-content,
.faq-item.active .faq-answer {
    max-height: 5000px; opacity: 1; padding-top: 1.25rem; margin-top: 1.25rem;
    border-top: 1px solid var(--glass-border); overflow-y: visible;
}
.stage-content h4 { color: var(--text); }
.stage-content-inner {
    background: var(--bg-alt) !important; color: var(--text) !important;
    border: 1px solid var(--glass-border) !important;
}
.stage-content-inner p, .stage-content-inner li { color: var(--text-muted); }

.faq-question span { font-weight: 700; font-size: 1.05rem; color: var(--text); flex: 1; }
.faq-toggle {
    width: 36px; height: 36px; min-width: 36px; max-width: 36px;
    display: inline-flex; align-items: center; justify-content: center;
    background: var(--primary-light); border-radius: 50%; color: var(--primary);
    font-size: 1.2rem; font-weight: 700; flex-shrink: 0; transition: var(--transition);
    line-height: 1;
}
.faq-item.active .faq-toggle { transform: rotate(45deg); background: var(--primary); color: #fff; }
.faq-answer p { color: var(--text-muted); line-height: 1.8; }

/* ——— Registration Form ——— */
.form-container {
    max-width: 800px; margin: 0 auto;
    background: var(--card-bg); padding: 3rem;
    border-radius: var(--radius-xl); border: 1px solid var(--glass-border);
    box-shadow: var(--card-shadow);
}
.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; margin-bottom: 0.5rem; font-weight: 600; color: var(--text); font-size: 0.92rem; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 0.9rem 1rem;
    background: var(--bg-alt); border: 1px solid var(--glass-border);
    border-radius: var(--radius); color: var(--text); font-size: 0.95rem;
    transition: var(--transition); font-family: inherit;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-light); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--primary); outline: none;
    box-shadow: 0 0 0 3px var(--cyan-glow);
}
.form-submit {
    width: 100%; padding: 1rem;
    background: linear-gradient(135deg, var(--primary) 0%, #6366f1 100%);
    color: #fff; border-radius: var(--radius); font-weight: 800;
    font-size: 1.1rem; cursor: pointer; transition: var(--transition);
    border: none; font-family: inherit;
}
.form-submit:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(14,165,233,0.3); }

/* ——— WhatsApp Float ——— */
.whatsapp-float {
    position: fixed; bottom: 30px; left: 30px;
    width: 60px; height: 60px; background: #25d366; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 2.5rem;
    box-shadow: 0 6px 20px rgba(37,211,102,0.4); z-index: 999;
    transition: var(--transition);
}
.whatsapp-float:hover { transform: scale(1.1); color: #fff; }

/* ——— Footer ——— */
footer {
    background: var(--footer-bg); padding: 4rem 2rem 2rem;
    border-top: 1px solid rgba(255,255,255,0.08); color: var(--footer-text);
}
.footer-content {
    max-width: 1200px; margin: 0 auto 3rem;
    display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2.5rem; text-align: right;
}
.footer-section h3 {
    font-size: 1.15rem; margin-bottom: 1.25rem; color: #fff;
    border-right: 3px solid var(--primary); padding-right: 12px;
}
.footer-section ul { list-style: none; }
.footer-section li { margin-bottom: 0.6rem; }
.footer-section a { color: var(--footer-text); transition: var(--transition); }
.footer-section a:hover { color: var(--primary); padding-right: 5px; }
.footer-bottom {
    text-align: center; font-size: 0.85rem; color: rgba(255,255,255,0.4);
    border-top: 1px solid rgba(255,255,255,0.06); padding-top: 1.5rem;
}

/* ——— Quill Content ——— */
.ql-editor { padding: 0; line-height: 1.8; color: var(--text-muted); }
.ql-editor h1, .ql-editor h2, .ql-editor h3 { color: var(--text); margin-top: 1.5rem; margin-bottom: 1rem; }
.ql-editor p { margin-bottom: 0.75rem; }
.ql-align-center { text-align: center !important; }
.ql-align-right { text-align: right !important; }
.ql-align-left { text-align: left !important; direction: ltr !important; }
.ql-editor ul, .ql-editor ol { padding-inline-start: 2rem; margin-bottom: 1rem; }
.ql-editor li { margin-bottom: 0.5rem; }
.ql-editor li::before { color: var(--primary); font-weight: bold; }

/* ——— Responsive ——— */
@media (max-width: 768px) {
    .menu-toggle { display: block; }
    .nav-links {
        position: absolute; top: 100%; left: 0; width: 100%;
        background: var(--nav-bg); backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--nav-border);
        flex-direction: column; padding: 1.5rem; gap: 1rem; text-align: center;
        max-height: 0; overflow: hidden; opacity: 0; pointer-events: none;
        transition: max-height 0.3s ease, opacity 0.2s ease, padding 0.3s ease;
    }
    .nav-links.nav-active { max-height: 400px; opacity: 1; pointer-events: all; }
    .nav-actions { display: none; }
    .nav-actions.nav-active {
        display: flex; flex-direction: column;
        position: absolute; top: calc(100% + 180px); left: 0; width: 100%;
        padding: 1rem 1.5rem; background: var(--nav-bg);
        border-bottom: 1px solid var(--nav-border); z-index: 999; gap: 0.75rem;
    }
    .hero { padding: 100px 1.5rem 3rem; min-height: auto; }
    .hero h1 { font-size: 1.8rem; }
    .hero-subtitle { font-size: 1rem; }
    .hero .description { font-size: 0.9rem; }
    .tech-icon { transform: scale(0.5); opacity: 0.2; }
    .tech-icon:nth-child(4), .tech-icon:nth-child(5) { display: none; }
    .hero-stats { gap: 0.5rem; }
    .stat-item {
        background: rgba(255,255,255,0.08); padding: 0.35rem 0.7rem;
        border-radius: 2rem; font-size: 0.78rem; border: 1px solid rgba(255,255,255,0.1);
    }
    .hero-buttons { flex-direction: column; width: 100%; }
    .btn { width: 100%; padding: 0.85rem; justify-content: center; }
    .countdown { padding: 1.25rem; width: 100%; }
    .countdown-timer { flex-wrap: wrap; }
    .time-unit { min-width: 55px; flex: 1; }
    .time-value { font-size: 1.3rem; }
    section { padding: 3rem 1rem; }
    .section-title h2 { font-size: 1.5rem; }
    .features-grid, .audience-grid, .lectures-grid { grid-template-columns: 1fr; }
    .feature-card, .audience-card, .lecture-item { padding: 1.5rem; }
    .form-container { padding: 1.5rem; }
    .whatsapp-float { width: 50px; height: 50px; font-size: 2rem; bottom: 20px; left: 20px; }
    .footer-content { text-align: center; }
    .footer-section h3 { border-right: none; border-bottom: 2px solid var(--primary); padding-right: 0; padding-bottom: 8px; display: inline-block; }
}

/* ——— Bootstrap-like Utilities ——— */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.text-center { text-align: center; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mx-auto { margin-inline: auto; }
.p-0 { padding: 0; }
.d-flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.justify-content-center { justify-content: center; }
.gap-2 { gap: 0.5rem; }
.py-5 { padding-block: 3rem; }
.lh-base { line-height: 1.7; }
.rounded-4 { border-radius: 1.5rem; }
.p-4 { padding: 1.5rem; }
.text-white { color: #fff !important; }


/* ═══ Why Different / Features Grid ═══ */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}
.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem 1.5rem;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    animation: fadeInUp 0.6s ease-out both;
    position: relative;
    overflow: hidden;
}
.feature-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 16px;
    padding: 1.5px;
    background: linear-gradient(135deg, transparent 30%, var(--primary) 70%, transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s;
}
.feature-card:hover::before { opacity: 1; }
.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
}
.feature-card:nth-child(1) { animation-delay: 0.05s; }
.feature-card:nth-child(2) { animation-delay: 0.15s; }
.feature-card:nth-child(3) { animation-delay: 0.25s; }
.feature-card:nth-child(4) { animation-delay: 0.35s; }
.feature-card:nth-child(5) { animation-delay: 0.45s; }
.feature-card:nth-child(6) { animation-delay: 0.55s; }

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, rgba(0,200,200,0.08), rgba(0,200,200,0.18));
    color: var(--primary);
    border: 1.5px solid rgba(0,200,200,0.15);
    transition: all 0.4s;
}
.feature-card:hover .feature-icon {
    transform: scale(1.12) rotate(-3deg);
    box-shadow: 0 0 24px rgba(0,200,200,0.25);
}
.feature-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text);
    margin: 0 0 0.5rem;
}
.feature-card p {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin: 0;
}

/* ═══ Lectures Section ═══ */
.lectures-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}
.lecture-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    padding: 1.5rem;
    transition: all 0.3s;
    animation: fadeInUp 0.6s ease-out both;
}
.lecture-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.06);
}
.lecture-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    background: linear-gradient(135deg, rgba(0,200,200,0.08), rgba(0,200,200,0.18));
    color: var(--primary);
    flex-shrink: 0;
}
.lecture-info h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    margin: 0 0 0.25rem;
}
.lecture-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin: 0;
}

/* ═══ Target Audience Grid ═══ */
.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}
.audience-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s;
    animation: fadeInUp 0.6s ease-out both;
}
.audience-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.06);
}
.audience-icon {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    background: linear-gradient(135deg, rgba(0,200,200,0.08), rgba(0,200,200,0.18));
    color: var(--primary);
    margin: 0 auto 0.75rem;
}
.audience-card h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    margin: 0 0 0.4rem;
}
.audience-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin: 0;
}

/* Responsive */
@media (max-width: 768px) {
    .features-grid { grid-template-columns: 1fr; }
    .lectures-grid { grid-template-columns: 1fr; }
    .audience-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
    .audience-grid { grid-template-columns: 1fr; }
}

/* ——— Print Styles ——— */
@media print {
    nav, .whatsapp-float, .theme-toggle, .hero-buttons, .form-container { display: none; }
    body { background: #fff; color: #000; }
    .hero { min-height: auto; background: none; color: #000; }
}