/* ============================================================
   JFKSYS EIRL - Landing Page Styles
   Stack: Bootstrap 4 + Custom CSS (Dark Tech Theme)
   ============================================================ */

/* ---- VARIABLES ---- */
:root {
    --bg-dark:     #07080f;
    --bg-card:     #0f1623;
    --bg-section:  #0b1120;
    --blue:        #1565c0;
    --blue-light:  #1e88e5;
    --cyan:        #00e5ff;
    --purple:      #7c4dff;
    --text:        #e8eaf6;
    --text-muted:  #7986a8;
    --border:      rgba(0, 229, 255, 0.25);
    --glow:        0 0 30px rgba(0, 229, 255, 0.35);
}

/* ---- GLOBAL ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    background: var(--bg-dark);
    color: var(--text);
    font-family: 'Rajdhani', 'Segoe UI', sans-serif;
    font-size: 1.05rem;
    line-height: 1.7;
    overflow-x: hidden;
}

h1,h2,h3,h4,h5,h6 { font-family: 'Orbitron', 'Segoe UI', monospace; }

a { transition: color .3s; }

img { max-width: 100%; }

/* ---- UTILITY ---- */
.text-cyan   { color: var(--cyan) !important; }
.text-muted  { color: var(--text-muted) !important; }
.bg-card     { background: var(--bg-card) !important; }

.section-dark  { background: var(--bg-dark);    padding: 5rem 0; }
.section-navy  { background: var(--bg-section); padding: 5rem 0; }

.section-heading {
    text-align: center;
    margin-bottom: 3.5rem;
}
.section-heading .eyebrow {
    display: inline-block;
    background: rgba(0,229,255,.12);
    border: 1px solid var(--border);
    color: var(--cyan);
    padding: .3rem 1.1rem;
    border-radius: 50px;
    font-size: .8rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 1rem;
}
.section-heading h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 2px;
    text-transform: uppercase;
}
.section-heading .divider {
    width: 70px; height: 3px;
    background: linear-gradient(90deg, var(--blue-light), var(--cyan));
    border-radius: 2px;
    margin: 1rem auto;
}
.section-heading p {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* ---- CUSTOM SCROLLBAR ---- */
::-webkit-scrollbar       { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--cyan); border-radius: 3px; }

/* ================================================================
   NAVBAR
   ================================================================ */
.navbar-jfk {
    background: rgba(7, 8, 15, .96) !important;
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: .7rem 1.5rem;
    transition: all .3s;
}
.navbar-jfk.scrolled {
    padding: .4rem 1.5rem;
    box-shadow: 0 4px 30px rgba(0,0,0,.6);
}
.navbar-brand-logo {
    display: flex; flex-direction: column; line-height: 1;
    text-decoration: none;
}
.navbar-brand-logo .brand-name {
    font-family: 'Orbitron', monospace;
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--cyan);
    letter-spacing: 3px;
    text-shadow: 0 0 18px rgba(0,229,255,.7);
}
.navbar-brand-logo .brand-sub {
    font-family: 'Rajdhani', sans-serif;
    font-size: .65rem;
    letter-spacing: 4px;
    color: var(--text-muted);
    text-transform: uppercase;
}
.navbar-jfk .nav-link {
    color: var(--text) !important;
    font-weight: 600;
    font-size: .88rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: .5rem 1rem !important;
    border-radius: 6px;
    margin: 0 .15rem;
    transition: all .25s;
}
.navbar-jfk .nav-link:hover,
.navbar-jfk .nav-link.active-link {
    color: var(--cyan) !important;
    background: rgba(0,229,255,.1);
}
.navbar-toggler { border-color: var(--border); }
.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='30' height='30' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(0,229,255,0.8)' stroke-linecap='round' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ================================================================
   HERO
   ================================================================ */
.hero {
    min-height: 100vh;
    background: radial-gradient(ellipse at 25% 55%, rgba(21,101,192,.2) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 40%, rgba(0,229,255,.1) 0%, transparent 50%),
                var(--bg-dark);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 7rem 0 4rem;
}

/* grid overlay */
.hero::after {
    content: '';
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(0,229,255,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,229,255,.025) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
}

.hero-particles { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.particle {
    position: absolute;
    border-radius: 50%;
    background: var(--cyan);
    opacity: 0;
    animation: particleRise linear infinite;
}
@keyframes particleRise {
    0%   { opacity: 0; transform: translateY(110vh) scale(.5); }
    10%  { opacity: .5; }
    90%  { opacity: .2; }
    100% { opacity: 0; transform: translateY(-60px) scale(1); }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    background: rgba(0,229,255,.1);
    border: 1px solid var(--border);
    color: var(--cyan);
    padding: .4rem 1.2rem;
    border-radius: 50px;
    font-size: .82rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    animation: pulseBadge 2.5s infinite;
}
@keyframes pulseBadge {
    0%,100% { box-shadow: 0 0 0 0 rgba(0,229,255,.4); }
    50%      { box-shadow: 0 0 0 12px rgba(0,229,255,0); }
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.6rem);
    font-weight: 900;
    line-height: 1.1;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
    color: #fff;
}
.hero-title .hl { color: var(--cyan); text-shadow: 0 0 40px rgba(0,229,255,.8); }

.hero-desc {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 560px;
    margin-bottom: 2.2rem;
}

.btn-hero-primary {
    display: inline-flex; align-items: center; gap: .6rem;
    background: linear-gradient(135deg, var(--blue-light), var(--cyan));
    border: none; color: #fff;
    padding: .85rem 2.2rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: .9rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    text-decoration: none;
    transition: all .3s;
    box-shadow: 0 6px 25px rgba(30,136,229,.45);
}
.btn-hero-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 35px rgba(0,229,255,.55);
    color: #fff; text-decoration: none;
}
.btn-hero-outline {
    display: inline-flex; align-items: center; gap: .6rem;
    background: transparent;
    border: 2px solid var(--cyan);
    color: var(--cyan);
    padding: .85rem 2.2rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: .9rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    text-decoration: none;
    transition: all .3s;
    margin-left: 1rem;
}
.btn-hero-outline:hover {
    background: var(--cyan);
    color: var(--bg-dark);
    transform: translateY(-4px);
    text-decoration: none;
}

.hero-stats {
    display: flex;
    gap: 2.5rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}
.hero-stat-num {
    font-family: 'Orbitron', monospace;
    font-size: 2.4rem;
    font-weight: 900;
    color: var(--cyan);
    line-height: 1;
    display: block;
}
.hero-stat-lbl {
    font-size: .78rem;
    color: var(--text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-top: .3rem;
    display: block;
}

.hero-img-wrap {
    position: relative;
    z-index: 1;
}
.hero-img-wrap img {
    border-radius: 18px;
    border: 1px solid var(--border);
    box-shadow: var(--glow), 0 0 80px rgba(21,101,192,.25);
    animation: floatY 5s ease-in-out infinite;
    width: 100%;
}
@keyframes floatY {
    0%,100% { transform: translateY(0); }
    50%      { transform: translateY(-18px); }
}

/* ================================================================
   COUNTERS STRIP
   ================================================================ */
.counters-strip {
    background: linear-gradient(135deg, #0b1525 0%, #0f1e35 100%);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 3rem 0;
}
.counter-box { text-align: center; padding: 1rem; }
.counter-num {
    font-family: 'Orbitron', monospace;
    font-size: 2.8rem;
    font-weight: 900;
    color: var(--cyan);
    text-shadow: 0 0 20px rgba(0,229,255,.5);
    display: block;
    line-height: 1;
}
.counter-lbl {
    font-size: .82rem;
    color: var(--text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-top: .5rem;
    display: block;
}

/* ================================================================
   ABOUT / FEATURES
   ================================================================ */
.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem 1.5rem;
    text-align: center;
    transition: all .35s;
    height: 100%;
}
.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--cyan);
    box-shadow: var(--glow);
}
.feature-icon {
    font-size: 2.6rem;
    color: var(--cyan);
    margin-bottom: 1rem;
    display: block;
}
.feature-card h5 {
    font-family: 'Orbitron', monospace;
    font-size: 1rem;
    color: #fff;
    margin-bottom: .8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.feature-card p { color: var(--text-muted); font-size: .97rem; margin: 0; }

/* ================================================================
   SYSTEM / SERVICE CARDS
   ================================================================ */
.sys-section { padding: 5rem 0; }
.sys-section:nth-child(odd)  { background: var(--bg-dark); }
.sys-section:nth-child(even) { background: var(--bg-section); }

.sys-eyebrow {
    display: inline-block;
    background: rgba(0,229,255,.1);
    border: 1px solid var(--border);
    color: var(--cyan);
    padding: .25rem .9rem;
    border-radius: 50px;
    font-size: .75rem;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    margin-bottom: 1rem;
}
.sys-title {
    font-size: 1.65rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.3;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.sys-desc { color: var(--text-muted); font-size: 1rem; margin-bottom: 1.5rem; }

.sys-features { list-style: none; padding: 0; margin-bottom: 1.8rem; }
.sys-features li {
    display: flex; align-items: flex-start; gap: .7rem;
    padding: .4rem 0;
    color: var(--text-muted);
    font-size: .98rem;
    border-bottom: 1px solid rgba(255,255,255,.04);
}
.sys-features li:last-child { border-bottom: none; }
.sys-features li i { color: var(--cyan); font-size: .75rem; margin-top: .35rem; flex-shrink: 0; }

.btn-sys {
    display: inline-flex; align-items: center; gap: .5rem;
    background: linear-gradient(135deg, var(--blue-light), var(--cyan));
    border: none; color: #fff;
    padding: .65rem 1.8rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: .85rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    text-decoration: none;
    transition: all .3s;
    box-shadow: 0 4px 18px rgba(30,136,229,.4);
}
.btn-sys:hover { transform: translateY(-3px); box-shadow: 0 8px 28px rgba(0,229,255,.5); color: #fff; text-decoration: none; }

/* Carousel overrides */
.sys-carousel .carousel-item img {
    height: 380px;
    object-fit: cover;
    border-radius: 14px;
    border: 1px solid var(--border);
    box-shadow: var(--glow);
}
.carousel-control-prev,
.carousel-control-next {
    width: 38px; height: 38px;
    background: rgba(0,229,255,.25);
    border-radius: 50%;
    top: 50%; transform: translateY(-50%);
    opacity: 1;
}
.carousel-control-prev { left: 10px; }
.carousel-control-next { right: 10px; }
.carousel-control-prev:hover,
.carousel-control-next:hover { background: rgba(0,229,255,.5); }
.carousel-indicators li {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--cyan);
    opacity: .5;
}
.carousel-indicators .active { opacity: 1; }
.carousel-caption {
    background: rgba(7,8,15,.75);
    backdrop-filter: blur(6px);
    border-radius: 8px;
    padding: .4rem .9rem;
    bottom: 14px;
}
.carousel-caption p { font-size: .82rem; margin: 0; }

/* ================================================================
   CONTACT
   ================================================================ */
.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2.5rem;
    height: 100%;
}
.contact-card h4 {
    font-family: 'Orbitron', monospace;
    font-size: 1.1rem;
    color: var(--cyan);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
}
.form-control-jfk {
    background: rgba(255,255,255,.05) !important;
    border: 1px solid rgba(0,229,255,.25) !important;
    color: #fff !important;
    border-radius: 8px;
    padding: .75rem 1rem;
    font-size: .97rem;
    transition: all .3s;
}
.form-control-jfk:focus {
    background: rgba(0,229,255,.06) !important;
    border-color: var(--cyan) !important;
    box-shadow: 0 0 0 .18rem rgba(0,229,255,.2) !important;
    outline: none;
}
.form-control-jfk::placeholder { color: var(--text-muted); }
.form-label-jfk { color: var(--text-muted); font-size: .88rem; letter-spacing: 1px; text-transform: uppercase; margin-bottom: .4rem; }

.contact-info-item {
    display: flex; align-items: flex-start; gap: 1rem;
    margin-bottom: 1.5rem;
}
.contact-info-icon {
    width: 48px; height: 48px; flex-shrink: 0;
    background: rgba(0,229,255,.12);
    border: 1px solid var(--border);
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    color: var(--cyan); font-size: 1.1rem;
}
.contact-info-text strong { display: block; color: #fff; font-size: .95rem; margin-bottom: .2rem; }
.contact-info-text span  { color: var(--text-muted); font-size: .92rem; }

/* ================================================================
   FOOTER
   ================================================================ */
.footer-jfk {
    background: #04060d;
    border-top: 1px solid var(--border);
    padding: 4rem 0 2rem;
}
.footer-brand {
    font-family: 'Orbitron', monospace;
    font-size: 1.6rem;
    font-weight: 900;
    color: var(--cyan);
    letter-spacing: 3px;
    text-shadow: 0 0 15px rgba(0,229,255,.5);
    display: block;
    margin-bottom: .5rem;
}
.footer-desc { color: var(--text-muted); font-size: .92rem; max-width: 280px; }
.footer-heading { color: #fff; font-weight: 700; font-size: .88rem; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 1.2rem; }
.footer-link { display: block; color: var(--text-muted); text-decoration: none; font-size: .92rem; margin-bottom: .6rem; transition: all .25s; }
.footer-link:hover { color: var(--cyan); transform: translateX(5px); text-decoration: none; }
.footer-divider { border-color: rgba(0,229,255,.15); margin: 2rem 0; }
.footer-copy { text-align: center; color: var(--text-muted); font-size: .83rem; }
.footer-copy .cyan { color: var(--cyan); }

/* ================================================================
   SCROLL FADE-IN
   ================================================================ */
.fade-up {
    opacity: 0;
    transform: translateY(35px);
    transition: opacity .65s ease, transform .65s ease;
}
.fade-up.in-view { opacity: 1; transform: translateY(0); }

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 991px) {
    .hero-img-wrap { margin-top: 3rem; }
}
@media (max-width: 767px) {
    .hero-title  { font-size: 1.9rem; }
    .hero-stats  { gap: 1.5rem; }
    .hero-stat-num { font-size: 1.8rem; }
    .sys-carousel .carousel-item img { height: 240px; }
    .btn-hero-outline { margin-left: 0; margin-top: .8rem; }
}