@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ===== Variables ===== */
:root {
    /* Brand core */
    --navy:        #0a1628;
    --navy-deep:   #07101f;
    --navy-mid:    #0e2040;
    --blue:        #0057b8;
    --blue-light:  #1a7fe8;
    --green:       #00c896;
    --green-light: #00e6aa;

    /* Light mode surfaces */
    --bg:          #f0f5ff;   /* very light blue-tinted white */
    --surface:     #ffffff;
    --surface-2:   #e8eeff;   /* slightly deeper for alternating sections */
    --text:        #0a1628;
    --text-muted:  #3d5a7a;
    --border:      #c0d0e8;

    /* Gradients */
    --gradient:      linear-gradient(135deg, #0057b8 0%, #00c896 100%);
    --gradient-rev:  linear-gradient(135deg, #00c896 0%, #0057b8 100%);
    --gradient-soft: linear-gradient(135deg, rgba(0,87,184,.07) 0%, rgba(0,200,150,.07) 100%);

    /* Shadows (blue-tinted) */
    --shadow-sm: 0 2px 12px rgba(0,87,184,.10);
    --shadow:    0 8px 32px rgba(0,87,184,.14);
    --shadow-lg: 0 20px 56px rgba(0,87,184,.20);
    --radius: 16px;
}
[data-theme="dark"] {
    --bg:        #070e1a;
    --surface:   #0d1b2e;
    --surface-2: #091525;
    --text:      #e4eeff;
    --text-muted:#7a9bbf;
    --border:    #1a2d45;
    --shadow-sm: 0 2px 12px rgba(0,0,0,.35);
    --shadow:    0 8px 32px rgba(0,0,0,.45);
    --shadow-lg: 0 20px 56px rgba(0,0,0,.55);
    --gradient-soft: linear-gradient(135deg, rgba(0,87,184,.18) 0%, rgba(0,200,150,.18) 100%);
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; background: var(--bg); }
body {
    font-family: 'Inter', sans-serif;
    background: transparent;
    color: var(--text);
    transition: color .3s;
    line-height: 1.6;
    position: relative;
    isolation: isolate;
}
body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -1;
    background-image: url('https://images.unsplash.com/photo-1558494949-ef010cbdcc31?w=1920&auto=format&fit=crop&q=70');
    background-size: cover;
    background-position: center;
    opacity: 0.07;
    pointer-events: none;
}
body::after {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -2;
    background: var(--bg);
    transition: background .3s;
    pointer-events: none;
}

/* ===== Utility ===== */
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.section-header { text-align: center; margin-bottom: 56px; }
.section-header h2 { font-size: clamp(1.8rem, 3.5vw, 2.4rem); font-weight: 800; letter-spacing: -.5px; }
.section-header p { color: var(--text-muted); margin-top: 12px; font-size: 16px; max-width: 560px; margin-left: auto; margin-right: auto; }
.gradient-text { background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.tag { display: inline-block; background: var(--gradient-soft); color: var(--blue); border: 1px solid rgba(0,87,184,.22); padding: 4px 14px; border-radius: 20px; font-size: 12px; font-weight: 700; letter-spacing: .5px; text-transform: uppercase; margin-bottom: 14px; }

/* ===== Buttons ===== */
.btn { display: inline-flex; align-items: center; gap: 8px; background: var(--gradient); color: white; padding: 13px 28px; border-radius: 10px; border: none; font-size: 15px; font-weight: 600; cursor: pointer; text-decoration: none; transition: opacity .2s, transform .15s, box-shadow .2s; box-shadow: 0 4px 20px rgba(0,87,184,.35); }
.btn:hover { opacity: .9; transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,87,184,.45); }
.btn-outline { display: inline-flex; align-items: center; gap: 8px; background: transparent; border: 2px solid var(--blue); color: var(--blue); padding: 11px 26px; border-radius: 10px; font-size: 15px; font-weight: 600; cursor: pointer; text-decoration: none; transition: all .2s; }
.btn-outline:hover { background: var(--blue); color: white; }
.btn-green { background: linear-gradient(135deg, #00c896, #00e6aa); box-shadow: 0 4px 20px rgba(0,200,150,.35); }
.btn-green:hover { box-shadow: 0 8px 28px rgba(0,200,150,.45); }

/* ===== Announcement Banner ===== */
.announcement { background: var(--gradient); color: white; text-align: center; padding: 12px 20px; font-size: 14px; font-weight: 500; }
.announcement a { color: white; font-weight: 700; text-decoration: underline; }

/* ===== Header ===== */
header { position: sticky; top: 0; z-index: 200; background: var(--navy); border-bottom: 2px solid rgba(0,200,150,.18); transition: box-shadow .3s; backdrop-filter: blur(16px); }
header.scrolled { box-shadow: 0 4px 32px rgba(0,0,0,.6); }
.header-inner { display: flex; justify-content: space-between; align-items: center; padding: 12px 32px; width: 100%; }
.logo-link { display: flex; align-items: center; text-decoration: none; }
.logo-img { height: 52px; width: auto; mix-blend-mode: lighten; filter: brightness(1.05) contrast(1.1); transition: transform .3s; }
.logo-img:hover { transform: scale(1.04); }
nav ul { list-style: none; display: flex; gap: 2px; }
nav ul li a { text-decoration: none; color: rgba(255,255,255,.78); font-size: 14px; font-weight: 500; padding: 7px 14px; border-radius: 8px; transition: color .2s, background .2s; }
nav ul li a:hover, nav ul li a.active { color: var(--green); background: rgba(0,200,150,.12); }
.header-cta { display: flex; align-items: center; gap: 10px; }
.theme-toggle { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14); color: white; padding: 7px 12px; border-radius: 8px; cursor: pointer; font-size: 15px; transition: background .2s; }
.theme-toggle:hover { background: rgba(255,255,255,.16); }
.mobile-menu-btn { display: none; background: none; border: none; color: white; font-size: 22px; cursor: pointer; }

/* ===== Hero ===== */
/* Dark navy + IT photo — always looks rich */
.hero { position: relative; min-height: 92vh; display: flex; align-items: center; overflow: hidden; background: var(--navy); }
.hero-bg { position: absolute; inset: 0; background-image: url('https://images.unsplash.com/photo-1558494949-ef010cbdcc31?w=1600&auto=format&fit=crop&q=80'); background-size: cover; background-position: center; opacity: 0.22; }
.hero-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(0,200,150,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(0,87,184,.06) 1px, transparent 1px); background-size: 60px 60px; animation: gridDrift 20s linear infinite; }
.hero-glow { position: absolute; width: 600px; height: 600px; border-radius: 50%; background: radial-gradient(circle, rgba(0,87,184,.28) 0%, transparent 70%); top: -100px; right: -100px; pointer-events: none; animation: glowPulse 6s ease-in-out infinite; }
.hero-glow2 { position: absolute; width: 400px; height: 400px; border-radius: 50%; background: radial-gradient(circle, rgba(0,200,150,.22) 0%, transparent 70%); bottom: -50px; left: 10%; pointer-events: none; animation: glowPulse 8s ease-in-out infinite reverse; }
.hero-particles { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.hero-particles span { position: absolute; width: 4px; height: 4px; border-radius: 50%; background: var(--green); opacity: 0; animation: floatParticle var(--dur,8s) linear var(--delay,0s) infinite; }
.hero-particles span:nth-child(odd) { background: var(--blue-light); width: 3px; height: 3px; }
.hero-content { position: relative; z-index: 1; max-width: 720px; padding: 40px 24px; }
.hero-content .tag { color: var(--green); border-color: rgba(0,200,150,.3); background: rgba(0,200,150,.1); }
.hero h1 { font-size: clamp(2.2rem, 5.5vw, 4rem); font-weight: 800; color: white; line-height: 1.15; letter-spacing: -.8px; margin-bottom: 20px; }
.hero h1 span { background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero h1 span::after { content: '|'; -webkit-text-fill-color: var(--green); animation: pulse 1s step-end infinite; }
.hero p { font-size: clamp(1rem, 2vw, 1.18rem); color: rgba(255,255,255,.75); margin-bottom: 36px; max-width: 560px; line-height: 1.75; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 40px; margin-top: 56px; flex-wrap: wrap; }
.hero-stat { display: flex; flex-direction: column; }
.hero-stat strong { font-size: 2rem; font-weight: 800; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-stat span { font-size: 13px; color: rgba(255,255,255,.6); margin-top: 2px; }

/* ===== Services ===== */
/* Light section — white cards on blue-tinted bg, IT photo visible behind */
.services { padding: 100px 0; background: rgba(240,245,255,0.82); }
[data-theme="dark"] .services { background: rgba(7,14,26,0.84); }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.service-card { background: var(--surface); border-radius: var(--radius); padding: 32px; border: 1px solid var(--border); box-shadow: var(--shadow-sm); transition: transform .28s, box-shadow .28s, border-color .28s; position: relative; overflow: hidden; }
.service-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--gradient); }
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: rgba(0,87,184,.25); }
.service-icon { width: 56px; height: 56px; border-radius: 14px; background: var(--gradient-soft); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; font-size: 26px; margin-bottom: 20px; transition: transform .3s, box-shadow .3s; }
.service-card:hover .service-icon { transform: scale(1.12) rotate(-4deg); box-shadow: 0 6px 20px rgba(0,87,184,.2); }
.service-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; color: var(--text); }
.service-card p { font-size: 14px; color: var(--text-muted); line-height: 1.75; }

/* ===== Bootcamp ===== */
/* Dark navy — strong contrast, IT photo visible behind grid */
.bootcamp { padding: 100px 0; background: var(--navy); position: relative; overflow: hidden; }
[data-theme="dark"] .bootcamp { background: var(--navy-deep); }
.bootcamp::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(0,200,150,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(0,87,184,.05) 1px, transparent 1px); background-size: 50px 50px; pointer-events: none; }
.bootcamp::after { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--gradient); }
.bootcamp-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.bootcamp-text .tag { color: var(--green); border-color: rgba(0,200,150,.3); background: rgba(0,200,150,.1); }
.bootcamp-text h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); font-weight: 800; color: white; margin-bottom: 16px; line-height: 1.2; }
.bootcamp-text p { color: rgba(255,255,255,.72); font-size: 15px; line-height: 1.8; margin-bottom: 20px; }
.bootcamp-links { display: flex; flex-direction: column; gap: 10px; margin-bottom: 32px; }
.bootcamp-link { display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,.8); font-size: 14px; text-decoration: none; padding: 11px 16px; border-radius: 10px; border: 1px solid rgba(255,255,255,.1); background: rgba(255,255,255,.04); transition: background .2s, border-color .2s, color .2s; }
.bootcamp-link:hover { background: rgba(0,200,150,.12); border-color: rgba(0,200,150,.4); color: var(--green); }
.bootcamp-link span { font-size: 18px; flex-shrink: 0; }
.bootcamp-card { background: rgba(255,255,255,.05); border: 1px solid rgba(0,200,150,.2); border-radius: var(--radius); padding: 28px; backdrop-filter: blur(12px); }
.bootcamp-card h3 { color: white; font-size: 18px; font-weight: 700; margin-bottom: 20px; padding-bottom: 16px; border-bottom: 1px solid rgba(255,255,255,.1); }
.bootcamp-detail { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 14px; }
.bootcamp-detail .icon { font-size: 18px; flex-shrink: 0; margin-top: 2px; }
.bootcamp-detail div strong { display: block; color: rgba(255,255,255,.9); font-size: 13px; font-weight: 700; }
.bootcamp-detail div span { color: rgba(255,255,255,.55); font-size: 13px; }
.bootcamp-btns { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }

/* ===== Tech Stack ===== */
/* Navy with brand grid — dark so logos pop at full color */
.techstack { padding: 80px 0; background: var(--navy-mid); position: relative; overflow: hidden; }
[data-theme="dark"] .techstack { background: var(--navy-deep); }
.techstack::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(0,200,150,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(0,87,184,.05) 1px, transparent 1px); background-size: 50px 50px; pointer-events: none; }
.techstack::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 3px; background: var(--gradient-rev); }
.techstack .section-header { position: relative; z-index: 1; }
.techstack .section-header h2 { color: white; }
.techstack .section-header p { color: rgba(255,255,255,.62); }
.techstack .tag { color: var(--green); border-color: rgba(0,200,150,.3); background: rgba(0,200,150,.1); }
.tech-grid { position: relative; z-index: 1; display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }
.tech-item { display: flex; flex-direction: column; align-items: center; gap: 8px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.12); border-radius: 14px; padding: 20px 22px; min-width: 108px; transition: transform .22s, box-shadow .22s, border-color .22s, background .22s; cursor: default; }
.tech-item:hover { transform: translateY(-6px) scale(1.06); box-shadow: 0 10px 28px rgba(0,200,150,.22); border-color: var(--green); background: rgba(0,200,150,.1); }
.tech-item .tech-icon { font-size: 2rem; transition: transform .3s; }
.tech-item:hover .tech-icon { transform: rotate(-8deg) scale(1.15); }
.tech-item span { font-size: 11px; font-weight: 700; color: rgba(255,255,255,.65); letter-spacing: .6px; text-transform: uppercase; }

/* ===== Stats ===== */
/* Full gradient band — maximum brand presence */
.stats-section { padding: 80px 0; background: var(--gradient); }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 32px; text-align: center; }
.stat-item strong { display: block; font-size: 3rem; font-weight: 800; color: white; line-height: 1; }
.stat-item p { color: rgba(255,255,255,.82); font-size: 14px; margin-top: 8px; font-weight: 500; }

/* ===== Success Stories ===== */
/* Light — alternates with dark sections for visual rhythm */
.success { padding: 100px 0; background: rgba(240,245,255,0.84); }
[data-theme="dark"] .success { background: rgba(7,14,26,0.86); }
.success-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.success-card { background: var(--surface); border-radius: var(--radius); padding: 32px; border: 1px solid var(--border); box-shadow: var(--shadow-sm); transition: transform .25s, box-shadow .25s; position: relative; overflow: hidden; }
.success-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--gradient); }
.success-card::after { content: ''; position: absolute; top: 0; left: -100%; width: 60%; height: 100%; background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,.07) 50%, transparent 100%); transform: skewX(-20deg); transition: left .5s ease; }
.success-card:hover::after { left: 150%; }
.success-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(0,87,184,.2); }
.success-stars { color: #f59e0b; font-size: 16px; margin-bottom: 14px; }
.success-card > p { font-size: 14px; color: var(--text-muted); line-height: 1.8; font-style: italic; margin-bottom: 20px; }
.success-author { display: flex; align-items: center; gap: 12px; }
.success-avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--gradient); display: flex; align-items: center; justify-content: center; color: white; font-weight: 700; font-size: 13px; flex-shrink: 0; }
.success-author strong { display: block; font-size: 14px; color: var(--text); }
.success-author small { color: var(--text-muted); font-size: 12px; }

/* ===== Careers ===== */
.careers { padding: 100px 0; background: var(--surface); }
.job-list { display: flex; flex-direction: column; gap: 14px; }
.job-card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px 28px; display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; transition: border-color .2s, box-shadow .2s, background .2s; }
.job-card:hover { border-color: var(--blue); box-shadow: var(--shadow-sm); background: var(--surface); }
.job-info h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.job-meta { display: flex; gap: 10px; flex-wrap: wrap; }
.job-tag { font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 20px; }
.job-tag.type { background: rgba(0,87,184,.1); color: var(--blue); border: 1px solid rgba(0,87,184,.2); }
.job-tag.dept { background: rgba(0,200,150,.1); color: var(--green); border: 1px solid rgba(0,200,150,.2); }
.job-tag.loc { background: rgba(0,87,184,.06); color: var(--text-muted); border: 1px solid var(--border); }

/* ===== Contact ===== */
/* Light section matching services */
.contact-section { padding: 100px 0; background: rgba(240,245,255,0.84); }
[data-theme="dark"] .contact-section { background: rgba(7,14,26,0.86); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contact-info h2 { font-size: 2rem; font-weight: 800; margin-bottom: 16px; color: var(--text); }
.contact-info > p { color: var(--text-muted); font-size: 15px; line-height: 1.8; margin-bottom: 32px; }
.contact-details { display: flex; flex-direction: column; gap: 16px; margin-bottom: 32px; }
.contact-item { display: flex; align-items: center; gap: 14px; }
.contact-item .icon { width: 44px; height: 44px; border-radius: 12px; background: var(--gradient-soft); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; }
.contact-item div strong { display: block; font-size: 12px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: .5px; }
.contact-item div span { font-size: 15px; color: var(--text); font-weight: 500; }
.social-links { display: flex; gap: 10px; }
.social-link { width: 44px; height: 44px; border-radius: 12px; background: var(--gradient-soft); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; text-decoration: none; transition: transform .2s, box-shadow .2s, background .2s; }
.social-link:hover { transform: translateY(-3px); box-shadow: var(--shadow); background: var(--gradient); }
.contact-form { background: var(--surface); border-radius: var(--radius); padding: 36px; border: 1px solid var(--border); box-shadow: var(--shadow-sm); }
.contact-form h3 { font-size: 20px; font-weight: 700; margin-bottom: 24px; color: var(--text); }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group label { font-size: 13px; font-weight: 600; color: var(--text); }
.form-group input, .form-group textarea, .form-group select { padding: 12px 14px; border: 1.5px solid var(--border); border-radius: 10px; background: var(--bg); color: var(--text); font-size: 14px; font-family: inherit; transition: border-color .2s, box-shadow .2s; }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(0,87,184,.12); }

/* ===== Footer ===== */
/* Deepest navy — strong, professional close */
footer { background: var(--navy-deep); color: rgba(255,255,255,.6); padding: 64px 0 0; border-top: 2px solid rgba(0,200,150,.15); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,.08); }
.footer-brand .footer-logo { height: 48px; mix-blend-mode: lighten; filter: brightness(1.05) contrast(1.1); margin-bottom: 14px; display: block; }
.footer-brand p { font-size: 13px; line-height: 1.75; max-width: 240px; color: rgba(255,255,255,.5); }
.footer-social { display: flex; gap: 10px; margin-top: 20px; }
.footer-social a { width: 36px; height: 36px; border-radius: 8px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.1); display: flex; align-items: center; justify-content: center; text-decoration: none; transition: background .2s, border-color .2s; }
.footer-social a:hover { background: rgba(0,200,150,.22); border-color: rgba(0,200,150,.4); }
.footer-col h4 { color: white; font-size: 13px; font-weight: 700; margin-bottom: 16px; text-transform: uppercase; letter-spacing: .5px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { color: rgba(255,255,255,.5); text-decoration: none; font-size: 13px; transition: color .2s; }
.footer-col ul li a:hover { color: var(--green); }
.footer-bottom { padding: 20px 0; text-align: center; font-size: 13px; color: rgba(255,255,255,.35); }

/* ===== Toast ===== */
.toast { position: fixed; bottom: 32px; left: 50%; transform: translateX(-50%) translateY(16px); background: var(--navy); color: white; padding: 13px 26px; border-radius: 12px; font-size: 14px; font-weight: 500; z-index: 500; opacity: 0; transition: opacity .3s, transform .3s; pointer-events: none; border: 1px solid rgba(0,200,150,.35); box-shadow: var(--shadow); }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ===== Scroll Top ===== */
.scroll-top { position: fixed; bottom: 28px; right: 28px; background: var(--gradient); color: white; border: none; width: 46px; height: 46px; border-radius: 50%; font-size: 20px; cursor: pointer; z-index: 100; opacity: 0; transform: scale(0); transition: opacity .3s, transform .3s; box-shadow: 0 4px 16px rgba(0,87,184,.45); }
.scroll-top.visible { opacity: 1; transform: scale(1); }

/* ===== Animations ===== */
@keyframes fadeUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideInLeft { from { opacity: 0; transform: translateX(-40px); } to { opacity: 1; transform: translateX(0); } }
@keyframes slideInRight { from { opacity: 0; transform: translateX(40px); } to { opacity: 1; transform: translateX(0); } }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .5; } }
@keyframes ctaPulse { 0%,100% { box-shadow: 0 4px 20px rgba(0,87,184,.35); } 50% { box-shadow: 0 4px 32px rgba(0,200,150,.6), 0 0 0 6px rgba(0,200,150,.12); } }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes floatParticle { 0% { transform: translateY(100vh) translateX(0); opacity: 0; } 10% { opacity: .6; } 90% { opacity: .3; } 100% { transform: translateY(-10vh) translateX(var(--drift,40px)); opacity: 0; } }
@keyframes gridDrift { 0% { background-position: 0 0; } 100% { background-position: 60px 60px; } }
@keyframes glowPulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: .6; transform: scale(1.1); } }

.animate { opacity: 0; animation: fadeUp .7s ease both; }
.animate.visible { opacity: 1; }
.animate-left { opacity: 0; animation: slideInLeft .7s ease both; }
.animate-right { opacity: 0; animation: slideInRight .7s ease both; }

/* Staggered service cards */
.services-grid .service-card:nth-child(1) { animation-delay: .05s; }
.services-grid .service-card:nth-child(2) { animation-delay: .15s; }
.services-grid .service-card:nth-child(3) { animation-delay: .25s; }
.services-grid .service-card:nth-child(4) { animation-delay: .35s; }
.services-grid .service-card:nth-child(5) { animation-delay: .45s; }
.services-grid .service-card:nth-child(6) { animation-delay: .55s; }

/* Staggered tech items */
.tech-grid .tech-item:nth-child(1) { animation-delay: .05s; }
.tech-grid .tech-item:nth-child(2) { animation-delay: .1s; }
.tech-grid .tech-item:nth-child(3) { animation-delay: .15s; }
.tech-grid .tech-item:nth-child(4) { animation-delay: .2s; }
.tech-grid .tech-item:nth-child(5) { animation-delay: .25s; }
.tech-grid .tech-item:nth-child(6) { animation-delay: .3s; }
.tech-grid .tech-item:nth-child(7) { animation-delay: .35s; }
.tech-grid .tech-item:nth-child(8) { animation-delay: .4s; }
.tech-grid .tech-item:nth-child(9) { animation-delay: .45s; }
.tech-grid .tech-item:nth-child(10) { animation-delay: .5s; }
.tech-grid .tech-item:nth-child(11) { animation-delay: .55s; }
.tech-grid .tech-item:nth-child(12) { animation-delay: .6s; }
.tech-grid .tech-item:nth-child(13) { animation-delay: .65s; }
.tech-grid .tech-item { animation: fadeUp .5s ease both; }

/* CTA button pulse */
.btn-green { animation: ctaPulse 3s ease-in-out infinite; }

/* Bootcamp card float */
.bootcamp-card-float { animation: float 6s ease-in-out infinite; }

.live-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--green); animation: pulse 1.5s infinite; margin-right: 6px; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
    .bootcamp-inner { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
    .header-inner { padding: 12px 16px; }
    nav { display: none; }
    nav.open { display: block; position: absolute; top: 100%; left: 0; right: 0; background: var(--navy); padding: 16px; border-top: 1px solid rgba(255,255,255,.08); }
    nav.open ul { flex-direction: column; gap: 4px; }
    .mobile-menu-btn { display: block; }
    .hero-stats { gap: 24px; }
    .footer-grid { grid-template-columns: 1fr; }
    .hero { min-height: 100svh; }
}


/* ===== PDF Modal ===== */
.pdf-modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.75); z-index: 1000; display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: opacity .25s; }
.pdf-modal-overlay.open { opacity: 1; pointer-events: all; }
.pdf-modal { background: var(--surface); border-radius: var(--radius); width: 92vw; max-width: 960px; height: 88vh; display: flex; flex-direction: column; box-shadow: var(--shadow-lg); overflow: hidden; transform: translateY(20px); transition: transform .25s; }
.pdf-modal-overlay.open .pdf-modal { transform: translateY(0); }
.pdf-modal-header { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; border-bottom: 1px solid var(--border); flex-shrink: 0; }
.pdf-modal-title { font-size: 15px; font-weight: 700; }
.pdf-modal-actions { display: flex; align-items: center; gap: 10px; }
.pdf-modal-download { font-size: 13px; font-weight: 600; color: var(--blue); text-decoration: none; padding: 6px 14px; border: 1.5px solid var(--blue); border-radius: 8px; transition: background .2s, color .2s; }
.pdf-modal-download:hover { background: var(--blue); color: white; }
.pdf-modal-close { background: none; border: none; font-size: 22px; cursor: pointer; color: var(--text-muted); line-height: 1; padding: 4px 8px; border-radius: 6px; transition: background .2s; }
.pdf-modal-close:hover { background: var(--border); }
.pdf-modal iframe { flex: 1; border: none; width: 100%; }