/* NNL Enterprise Design System 2.0 */

:root {
    /* Color Palette - Premium Dark */
    --black: #050608;
    --navy: #0A1118;
    --steel: #121C26;
    --gold: #D4AF37;
    --gold-dim: #997E28;
    --gold-glow: rgba(212, 175, 55, 0.15);
    --white: #F8F9FA;
    --muted: #868E96;
    --border: rgba(212, 175, 55, 0.12);
    --glass: rgba(255, 255, 255, 0.02);
    --surface: #0D131A;

    /* Spacing & Transitions */
    --ease: cubic-bezier(0.23, 1, 0.32, 1);
    --duration: 0.8s;
    --section-gap: clamp(5rem, 15vh, 12rem);
}

/* Base Setup */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

html.lenis {
    height: auto;
}

body {
    background: var(--black);
    color: var(--white);
    font-family: 'Barlow', sans-serif;
    overflow-x: hidden;
    line-height: 1.5;
}

/* Typography */
.bebas { font-family: 'Bebas Neue', cursive; letter-spacing: 0.02em; line-height: 0.9; }
.barlow-condensed { font-family: 'Barlow Condensed', sans-serif; font-weight: 600; text-transform: uppercase; }

h1, h2, h3 { color: var(--white); }

/* Layout Components */
.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 5%;
}

section {
    padding: var(--section-gap) 0;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    padding: 1.2rem 2.5rem;
    font-family: 'Barlow Condensed', sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-size: 0.85rem;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.4s var(--ease);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gold);
    color: var(--black);
}

.btn-primary:hover {
    background: var(--white);
    transform: translateY(-3px);
}

.btn-outline {
    border: 1px solid var(--border);
    color: var(--white);
}

.btn-outline:hover {
    border-color: var(--gold);
    color: var(--gold);
}

/* Navigation */
nav {
    position: fixed;
    top: 2rem;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 1200px;
    z-index: 1000;
    padding: 1rem 2rem;
    background: rgba(10, 17, 24, 0.7);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 100px;
    transition: all 0.5s var(--ease);
}

nav.scrolled {
    top: 1rem;
    width: 95%;
    padding: 0.8rem 2rem;
    background: rgba(5, 6, 8, 0.95);
}

.nav-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-links {
    display: flex;
    gap: 3rem;
}

.nav-links a {
    color: var(--muted);
    text-decoration: none;
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    transition: color 0.3s;
}

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

/* nav-btn always visible, never wraps */
.nav-btn {
    white-space: nowrap;
    flex-shrink: 0;
}

/* Hamburger & Mobile Menu */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-family: 'Barlow Condensed';
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    cursor: pointer;
    align-items: center;
    gap: 10px;
    padding: 0.5rem;
    z-index: 1001;
}

.hamburger-icon {
    width: 20px;
    height: 10px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.hamburger-icon span {
    width: 100%;
    height: 1px;
    background: var(--gold);
    transition: 0.3s;
}

.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--black);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    transform: translateY(-100%);
    transition: transform 0.6s var(--ease);
}

.mobile-nav-overlay.active {
    transform: translateY(0);
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.mobile-nav-links a {
    font-family: 'Bebas Neue';
    font-size: 3rem;
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s;
}

.mobile-nav-links a:hover {
    color: var(--gold);
}

.close-menu {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: none;
    border: none;
    color: var(--gold);
    font-size: 2rem;
    cursor: pointer;
}

/* Reveal System */
.reveal {
    opacity: 0;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: var(--black);
}
::-webkit-scrollbar-thumb {
    background: var(--steel);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--gold);
}

/* Grid System */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 1.5rem;
}

.bento-card {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 3rem;
    border-radius: 4px;
    transition: transform 0.6s var(--ease), border-color 0.4s;
}

.bento-card:hover {
    border-color: var(--gold-dim);
}

/* Sector Cards */
.sector-card {
    background: var(--surface);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: border-color 0.4s var(--ease), transform 0.4s var(--ease);
}
.sector-card:hover {
    border-color: var(--gold);
    transform: translateY(-4px);
}
.sector-img {
    height: 180px;
    background-size: cover !important;
    background-position: center !important;
    filter: brightness(1.2);
    transition: transform 0.6s var(--ease), filter 0.4s var(--ease);
}
.sector-card:hover .sector-img {
    transform: scale(1.05);
    filter: brightness(1.1);
}
.sector-label {
    font-size: 1.2rem;
    color: var(--white);
    padding: 1.5rem 1.5rem 0.5rem;
    margin: 0;
}
.sector-desc {
    color: var(--muted);
    font-size: 0.8rem;
    padding: 0 1.5rem 1.5rem;
    line-height: 1.5;
}

/* Noise Overlay */
.noise {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    pointer-events: none;
    opacity: 0.03;
    background: url('https://grainy-gradients.vercel.app/noise.svg');
    /* Fallback if external noise fails */
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

@media (max-width: 900px) {
    nav {
        top: 0.8rem;
        width: calc(100% - 2rem);
        max-width: 100%;
        padding: 0.75rem 1.25rem;
        border-radius: 16px;
        left: 50%;
        transform: translateX(-50%);
    }
    .nav-inner {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        gap: 0;
        width: 100%;
    }
    /* Completely remove nav links — replaced by hamburger */
    .nav-links {
        display: none !important;
    }
    .mobile-menu-btn {
        display: flex;
    }
    .btn-primary.nav-btn {
        padding: 0.55rem 0.9rem !important;
        font-size: 0.68rem !important;
        white-space: nowrap;
        flex-shrink: 0;
    }
    .logo {
        font-size: 1.6rem !important;
        flex-shrink: 0;
    }
    .bento-card {
        grid-column: span 12 !important;
        padding: 1.5rem !important;
    }
    section {
        padding: 4rem 0;
    }
    h1, .bebas {
        word-wrap: break-word;
    }
    /* Container always has side padding */
    .container {
        padding-left: 5% !important;
        padding-right: 5% !important;
    }
    /* Hero padding clears floating pill nav */
    #hero {
        padding-top: 110px !important;
    }
    header, #contact-hero {
        padding-top: 110px !important;
    }
    /* Sectors: 2 columns on mobile */
    .sectors-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 0.75rem !important;
    }
    .sector-img {
        height: 110px;
    }
    /* Tech inner wrapper */
    .tech-hero-inner {
        padding: 0 5% !important;
    }
    /* Services and footer grids */
    footer > .container > div,
    .service-section,
    .tech-grid,
    .form-container,
    form > div {
        grid-template-columns: 1fr !important;
        gap: 2rem !important;
    }
    .service-image {
        height: 250px;
    }
    .ops-grid {
        grid-template-columns: 1fr !important;
        gap: 2rem !important;
    }
    .ops-grid > div[style*="height: 500px"] {
        height: 250px !important;
    }
    /* Hero stats wrap on mobile */
    .hero-stats {
        gap: 2rem !important;
        flex-wrap: wrap;
    }
    .hero-stat-num {
        font-size: 2.2rem;
    }
    /* Scroll hint — hide on mobile, no space */
    .scroll-hint {
        display: none;
    }

    /* Sector Responsive Overrides */
    .sector-hero {
        padding: 150px 0 60px !important;
    }
    .sector-details-grid {
        grid-template-columns: 1fr !important;
        gap: 4rem !important;
    }
    .capability-grid {
        grid-template-columns: 1fr !important;
        gap: 1.5rem !important;
        margin-top: 3rem !important;
    }
    .capability-card {
        padding: 2rem !important;
    }
}

/* Base Sector Page Styles */
.sector-hero {
    padding: 250px 0 150px;
    border-bottom: 1px solid var(--border);
}

.capability-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4rem;
    margin-top: 6rem;
}

.capability-card {
    background: var(--surface);
    padding: 3rem;
    border-radius: 4px;
    border: 1px solid var(--border);
    transition: border-color 0.4s;
}

.capability-card:hover {
    border-color: var(--gold);
}

.capability-card h3 {
    color: var(--gold);
    margin-bottom: 1.5rem;
}

.capability-card p {
    color: var(--muted);
    line-height: 1.8;
    margin: 0;
}

.sector-details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8rem;
    align-items: center;
}

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    bottom: 40px;
    right: 40px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50%;
    width: 65px;
    height: 65px;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 99999; /* Ensuring it's above everything */
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    animation: wa-pulse 2s infinite;
}

@keyframes wa-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 0 0 20px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

.whatsapp-float:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.6);
    animation: none;
}

.whatsapp-float svg {
    width: 35px;
    height: 35px;
    fill: white;
}

@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 25px;
        right: 25px;
        width: 58px;
        height: 58px;
    }
    .whatsapp-float svg {
        width: 30px;
        height: 30px;
    }
}