/* ─────────────────────────────────────────
   DataLE Labs — Premium Design System
   ───────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap');

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

:root {
    --ink:        #080e1c;
    --ink2:       #0f1a2e;
    --ink3:       #1a2740;
    --muted:      #5a6e8a;
    --light:      #8fa3be;
    --pale:       #c4d0e0;
    --white:      #f0f4fa;
    --cyan:       #00d4ff;
    --cyan-dim:   rgba(0,212,255,0.12);
    --cyan-glow:  rgba(0,212,255,0.25);
    --gold:       #e8c56a;
    --gold-dim:   rgba(232,197,106,0.1);
    --radius:     20px;
    --radius-lg:  32px;
    --radius-xl:  40px;
    --font-display: 'Syne', sans-serif;
    --font-body:    'DM Sans', sans-serif;
    --transition:   all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── BASE ── */
html { scroll-behavior: smooth; }

body {
    background: var(--ink);
    color: var(--white);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

/* ── ATMOSPHERIC BACKGROUND ── */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(0,212,255,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,212,255,0.025) 1px, transparent 1px);
    background-size: 64px 64px;
    pointer-events: none;
    z-index: 0;
}

body::after {
    content: '';
    position: fixed;
    top: -200px; right: -200px;
    width: 700px; height: 700px;
    background: radial-gradient(ellipse, rgba(0,212,255,0.05) 0%, transparent 65%);
    pointer-events: none;
    z-index: 0;
}

/* ── LAYOUT ── */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

section { position: relative; z-index: 1; }

/* ── TYPOGRAPHY ── */
h1, h2, h3, h4, h5 {
    font-family: var(--font-display);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.display {
    font-size: clamp(3rem, 7vw, 6.5rem);
    font-weight: 800;
    line-height: 1.0;
    letter-spacing: -0.03em;
}

.headline {
    font-size: clamp(2.2rem, 4.5vw, 4rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.subheadline {
    font-size: clamp(1.4rem, 2.5vw, 2rem);
    font-weight: 600;
}

.label {
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--cyan);
    display: block;
}

/* ── COLOR UTILITIES ── */
.text-cyan       { color: var(--cyan); }
.text-gold       { color: var(--gold); }
.text-muted      { color: var(--muted); }
.text-light      { color: var(--light); }

.gradient-text {
    background: linear-gradient(135deg, var(--cyan) 0%, #7c9fff 50%, var(--gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── NAVBAR ── */
nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    transition: var(--transition);
}

nav.scrolled {
    background: rgba(8,14,28,0.88);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid rgba(0,212,255,0.08);
    padding: 1rem 2rem;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--white);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.nav-logo .dot { color: var(--cyan); }

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 400;
    color: var(--light);
    text-decoration: none;
    transition: color 0.2s;
    letter-spacing: 0.01em;
}

.nav-links a:hover,
.nav-links a.active { color: var(--white); }

.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.65rem 1.5rem;
    background: var(--cyan);
    color: var(--ink);
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-decoration: none;
    border-radius: 100px;
    transition: var(--transition);
}

.nav-cta:hover {
    background: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--cyan-glow);
}

/* ── BUTTONS ── */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: var(--cyan);
    color: var(--ink);
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 700;
    text-decoration: none;
    border-radius: 100px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary:hover {
    background: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 20px 50px var(--cyan-glow);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: transparent;
    color: var(--white);
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 100px;
    border: 1px solid rgba(255,255,255,0.15);
    transition: var(--transition);
}

.btn-outline:hover {
    border-color: var(--cyan);
    color: var(--cyan);
    background: var(--cyan-dim);
    transform: translateY(-3px);
}

.btn-sm {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.25rem;
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 700;
    border-radius: 14px;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-sm-primary { background: var(--cyan); color: var(--ink); }
.btn-sm-primary:hover { background: var(--white); }

.btn-sm-ghost {
    background: rgba(255,255,255,0.05);
    color: var(--light);
    border: 1px solid rgba(255,255,255,0.08);
}

.btn-sm-ghost:hover {
    border-color: rgba(0,212,255,0.2);
    color: var(--cyan);
    background: var(--cyan-dim);
}

/* ── CARDS ── */
.card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.07);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    transition: var(--transition);
}

.card:hover {
    background: rgba(255,255,255,0.05);
    border-color: rgba(0,212,255,0.15);
    transform: translateY(-6px);
    box-shadow: 0 30px 80px rgba(0,0,0,0.35), 0 0 0 1px rgba(0,212,255,0.07);
}

.card-featured {
    background: linear-gradient(135deg, rgba(0,212,255,0.08) 0%, rgba(124,159,255,0.05) 100%);
    border: 1px solid rgba(0,212,255,0.18);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
}

.glass {
    background: rgba(255,255,255,0.04);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.08);
}

/* ── BADGES ── */
.badge {
    display: inline-block;
    padding: 0.3rem 0.9rem;
    background: var(--cyan-dim);
    color: var(--cyan);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: 100px;
    border: 1px solid rgba(0,212,255,0.2);
}

.badge-gold {
    background: var(--gold-dim);
    color: var(--gold);
    border-color: rgba(232,197,106,0.2);
}

/* ── STAT ITEMS ── */
.stat-num {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--cyan);
    display: block;
    line-height: 1;
}

.stat-label {
    display: block;
    font-size: 13px;
    color: var(--muted);
    margin-top: 0.75rem;
}

/* ── COURSE CARD ── */
.course-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.07);
    border-radius: var(--radius-lg);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.course-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0,212,255,0.15);
    background: rgba(0,212,255,0.03);
    box-shadow: 0 40px 80px rgba(0,0,0,0.4);
}

.course-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.25rem;
}

.course-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.2;
}

.course-rating { font-size: 12px; color: var(--gold); font-weight: 600; }

.course-desc {
    color: var(--muted);
    font-size: 14px;
    margin-top: 0.75rem;
    line-height: 1.7;
    flex-grow: 1;
}

.course-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.25rem;
    font-size: 12px;
    color: var(--muted);
    margin: 1rem 0;
}

.course-price-row {
    padding-top: 1.25rem;
    border-top: 1px solid rgba(255,255,255,0.06);
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
    margin-top: auto;
}

.price-new {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--cyan);
}

.price-old {
    font-size: 14px;
    color: var(--muted);
    text-decoration: line-through;
}

.course-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-top: 1.25rem;
}

/* ── FORM INPUTS ── */
.form-input {
    width: 100%;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.09);
    border-radius: 14px;
    padding: 1rem 1.25rem;
    color: var(--white);
    font-family: var(--font-body);
    font-size: 14px;
    outline: none;
    transition: border-color 0.25s;
    display: block;
    margin-bottom: 1rem;
}

.form-input:focus { border-color: rgba(0,212,255,0.45); }
.form-input::placeholder { color: var(--muted); }
select.form-input { cursor: pointer; }
select.form-input option { background: #0f1a2e; }

/* ── BENEFIT ITEM ── */
.benefit-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    font-size: 14px;
    color: var(--light);
}

.benefit-item:last-child { border-bottom: none; }

.check {
    width: 22px; height: 22px;
    border-radius: 50%;
    background: var(--cyan-dim);
    border: 1px solid rgba(0,212,255,0.2);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    font-size: 10px;
    color: var(--cyan);
}

/* ── CTA BLOCK ── */
.cta-block {
    background: linear-gradient(135deg, rgba(0,212,255,0.07) 0%, rgba(124,159,255,0.05) 50%, rgba(232,197,106,0.05) 100%);
    border: 1px solid rgba(0,212,255,0.12);
    border-radius: var(--radius-xl);
    padding: 5rem 3rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-block::before {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    width: 500px; height: 500px;
    transform: translate(-50%,-50%);
    background: radial-gradient(circle, rgba(0,212,255,0.05) 0%, transparent 70%);
    pointer-events: none;
}

/* ── STATS ROW ── */
.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: rgba(255,255,255,0.05);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.05);
}

.stat-item {
    padding: 3rem 2rem;
    background: rgba(8,14,28,0.8);
    text-align: center;
}

/* ── JOB CARD ── */
.job-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.07);
    border-radius: var(--radius);
    padding: 2rem 2.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    transition: var(--transition);
}

.job-card:hover {
    border-color: rgba(0,212,255,0.15);
    background: rgba(0,212,255,0.02);
    transform: translateX(4px);
}

/* ── SERVICE CARD ── */
.service-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.07);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    transition: var(--transition);
}

.service-card:hover {
    border-color: rgba(0,212,255,0.15);
    transform: translateY(-6px);
}

.service-number {
    font-family: var(--font-display);
    font-size: 5rem;
    font-weight: 800;
    line-height: 1;
    background: linear-gradient(135deg, rgba(0,212,255,0.22), rgba(0,212,255,0.04));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    display: block;
}

/* ── WHY CARD ── */
.why-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.07);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
}

.why-card:hover {
    border-color: rgba(0,212,255,0.15);
    transform: translateY(-6px);
}

.why-icon {
    width: 56px; height: 56px;
    margin: 0 auto 1.25rem;
    border-radius: 16px;
    background: var(--cyan-dim);
    border: 1px solid rgba(0,212,255,0.12);
    display: flex; align-items: center; justify-content: center;
    font-size: 24px;
}

/* ── SEARCH ── */
.search-wrap {
    position: relative;
    margin-bottom: 3rem;
}

.search-wrap input {
    width: 100%;
    padding: 1.1rem 1.5rem 1.1rem 3.5rem;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.09);
    border-radius: 100px;
    color: var(--white);
    font-family: var(--font-body);
    font-size: 15px;
    outline: none;
    transition: border-color 0.25s;
}

.search-wrap input:focus { border-color: rgba(0,212,255,0.38); }
.search-wrap input::placeholder { color: var(--muted); }

.search-icon {
    position: absolute;
    left: 1.3rem;
    top: 50%; transform: translateY(-50%);
    color: var(--muted);
    font-size: 18px;
    pointer-events: none;
}

/* ── BLOG CARD ── */
.blog-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.07);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-6px);
    border-color: rgba(0,212,255,0.12);
}

.blog-link {
    margin-top: auto;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.06);
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 700;
    color: var(--cyan);
    text-decoration: none;
    display: inline-block;
    transition: gap 0.2s;
}

/* ── TESTIMONIAL ── */
.testimonial-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.07);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
}

.testimonial-quote {
    font-size: 15px;
    line-height: 1.85;
    color: var(--light);
    font-style: italic;
}

.testimonial-author {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.06);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 14px;
    color: var(--cyan);
}

/* ── HERO ── */
.hero-stat-box {
    background: rgba(8,14,28,0.7);
    text-align: center;
    padding: 1.5rem;
}

.hero-stat-val {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    color: var(--cyan);
    display: block;
}

.hero-stat-lbl {
    font-size: 12px;
    color: var(--muted);
    display: block;
    margin-top: 0.2rem;
}

/* ── TRUST BAR ── */
.trust-bar {
    padding: 1.25rem 0;
    border-top: 1px solid rgba(255,255,255,0.05);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    background: rgba(255,255,255,0.02);
    position: relative;
    z-index: 1;
}

/* ── FEATURE ROW CARD ── */
.feature-row-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.07);
    border-radius: var(--radius);
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    transition: var(--transition);
}

.feature-row-card:hover {
    border-color: rgba(0,212,255,0.15);
    background: rgba(0,212,255,0.03);
}

.feature-icon-box {
    width: 44px; height: 44px;
    border-radius: 12px;
    background: var(--cyan-dim);
    border: 1px solid rgba(0,212,255,0.15);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    font-size: 18px;
}

/* ── STICKY PRICING CARD ── */
.sticky-card {
    position: sticky;
    top: 7rem;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.09);
    border-radius: var(--radius-lg);
    padding: 2rem;
}

/* ── FOOTER ── */
footer {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 3rem 0;
    position: relative;
    z-index: 1;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--white);
    letter-spacing: -0.02em;
}

.footer-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    flex-wrap: wrap;
}

.footer-links a {
    font-size: 13px;
    color: var(--muted);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-links a:hover { color: var(--white); }

/* ── FADE-UP ANIMATION ── */
.fade-up {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* stagger delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.22s; }
.delay-3 { transition-delay: 0.34s; }
.delay-4 { transition-delay: 0.46s; }
.delay-5 { transition-delay: 0.58s; }

/* ── LE ANIMATION ── */
#leText {
    color: var(--cyan);
    transition: opacity 0.4s ease;
}

/* ── GRIDS ── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 1.5rem; }

/* ── LINKS ── */
a { transition: var(--transition); }

/* ── MOBILE MENU ── */
.mobile-menu { display: none; }

/* ── SCROLL BAR ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--ink); }
::-webkit-scrollbar-thumb { background: var(--ink3); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

/* ── SELECTION ── */
::selection { background: rgba(0,212,255,0.2); color: var(--white); }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .stats-row { grid-template-columns: repeat(2,1fr); }
    .nav-links { display: none; }
    .cta-block { padding: 3rem 1.5rem; }
    .job-card { flex-direction: column; align-items: flex-start; }
}
/* MOBILE FIX */
@media (max-width: 768px){

    .container{
        padding:0 1rem;
    }

    nav{
        padding:1rem;
        left:0;
        transform:none;
        max-width:100%;
    }

    .display{
        font-size:2.4rem;
        line-height:1.15;
    }

    .headline{
        font-size:1.8rem;
    }

    .card,
    .course-card,
    .service-card,
    .why-card,
    .testimonial-card{
        padding:1.4rem;
    }

    .cta-block{
        padding:2rem 1rem;
    }

    .course-actions{
        grid-template-columns:1fr;
    }

    .btn-primary,
    .btn-outline{
        width:100%;
        justify-content:center;
    }

    .stats-row{
        grid-template-columns:1fr;
    }

    .footer-inner{
        flex-direction:column;
        align-items:flex-start;
    }

}