/* ===================================
    NeuralNest Solutions - Company Website
    Original Design System
====================================== */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500;600;700;800&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
    --alt-font: 'Outfit', sans-serif;
    --primary-font: 'DM Sans', sans-serif;
    --base-color: #D95D10;
    --nns-charcoal: #0D1B2A;
    --nns-navy: #1B2838;
    --nns-steel: #2B3E50;
    --nns-accent: #D95D10;
    --nns-accent-deep: #B84A0A;
    --nns-accent-glow: rgba(217, 93, 16, 0.12);
    --nns-text: #3D4F5F;
    --nns-text-light: #6B7D8D;
    --nns-border: #DFE6ED;
    --nns-surface: #F4F7FA;
    --nns-warm-surface: #FDF8F3;
    --dark-gray: #1B2838;
    --medium-gray: #6B7D8D;
}

/* ---- Base ---- */
body {
    font-family: var(--primary-font);
    font-size: 18px;
    line-height: 30px;
    color: var(--nns-text);
    overflow-x: hidden;
}
.h1,.h2,.h3,.h4,.h5,.h6,h1,h2,h3,h4,h5,h6 {
    font-family: var(--alt-font);
    color: var(--nns-navy);
}
a { color: var(--nns-accent); text-decoration: none; }
a:hover { color: var(--nns-accent-deep); }

/* ---- Header ---- */
header .navbar-brand img { max-height: 48px; }
header .navbar > .container-fluid {
    align-items: center;
}
header .header-icon {
    display: flex;
    align-items: center;
    height: 100%;
}
.navbar .navbar-nav .nav-link {
    font-family: var(--alt-font);
    font-weight: 600;
    font-size: 15px;
    color: var(--nns-navy);
    letter-spacing: 0.15px;
}
.navbar .navbar-nav .nav-link:hover,
.navbar .navbar-nav .nav-link.active { color: var(--nns-accent) !important; }

/* ---- Buttons ---- */
.btn-nns {
    font-family: var(--alt-font);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.4px;
    padding: 13px 32px;
    border-radius: 6px;
    transition: all 0.35s cubic-bezier(0.4,0,0.2,1);
    border: none;
    cursor: pointer;
}
.btn-nns-accent {
    background: var(--nns-accent);
    color: #fff;
}
.btn-nns-accent:hover {
    background: var(--nns-accent-deep);
    color: #fff;
    box-shadow: 0 12px 28px rgba(217,93,16,0.25);
    transform: translateY(-2px);
}
.btn-nns-ghost {
    background: transparent;
    color: #fff;
    border: 1.5px solid rgba(255,255,255,0.35);
}
.btn-nns-ghost:hover {
    background: #fff;
    color: var(--nns-navy);
    border-color: #fff;
    transform: translateY(-2px);
}
.btn-nns-dark {
    background: var(--nns-navy);
    color: #fff;
}
.btn-nns-dark:hover {
    background: var(--nns-steel);
    color: #fff;
    box-shadow: 0 12px 28px rgba(27,40,56,0.2);
    transform: translateY(-2px);
}
.btn-nns-outline-dark {
    background: transparent;
    color: var(--nns-navy);
    border: 1.5px solid var(--nns-border);
}
.btn-nns-outline-dark:hover {
    border-color: var(--nns-accent);
    color: var(--nns-accent);
    transform: translateY(-2px);
}

/* ---- HERO ---- */
.nns-hero {
    position: relative;
    min-height: 100vh;
    background: var(--nns-charcoal);
    display: flex;
    align-items: center;
    overflow: hidden;
}
.nns-hero-gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 70% 60% at 15% 45%, rgba(217,93,16,0.07) 0%, transparent 100%),
        radial-gradient(ellipse 50% 50% at 85% 25%, rgba(43,62,80,0.4) 0%, transparent 100%),
        radial-gradient(ellipse 40% 60% at 50% 90%, rgba(217,93,16,0.04) 0%, transparent 100%),
        linear-gradient(160deg, #0D1B2A 0%, #162336 30%, #1B2838 60%, #0D1B2A 100%);
    z-index: 0;
}
.nns-hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 80px 80px;
    z-index: 1;
}
/* Abstract node cluster - right side of hero */
.nns-hero-visual {
    position: absolute;
    right: -5%;
    top: 50%;
    transform: translateY(-50%);
    width: 600px;
    height: 600px;
    z-index: 1;
    opacity: 0.55;
}
.nns-node {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(217,93,16,0.2);
}
.nns-node-1 { width: 360px; height: 360px; top: 120px; left: 120px; border-color: rgba(255,255,255,0.06); }
.nns-node-2 { width: 220px; height: 220px; top: 190px; left: 190px; border-color: rgba(217,93,16,0.12); }
.nns-node-3 { width: 80px; height: 80px; top: 260px; left: 260px; background: rgba(217,93,16,0.06); border-color: rgba(217,93,16,0.15); }
.nns-node-4 { width: 12px; height: 12px; top: 295px; left: 295px; background: var(--nns-accent); border: none; box-shadow: 0 0 20px rgba(217,93,16,0.4); }
.nns-node-5 { width: 140px; height: 140px; top: 60px; left: 300px; border-color: rgba(255,255,255,0.04); }
.nns-node-6 { width: 100px; height: 100px; top: 380px; left: 80px; border-color: rgba(255,255,255,0.04); }
.nns-node-line-1 {
    position: absolute;
    top: 300px; left: 307px;
    width: 120px; height: 1px;
    background: linear-gradient(90deg, rgba(217,93,16,0.3), transparent);
    transform: rotate(-35deg);
    transform-origin: left;
}
.nns-node-line-2 {
    position: absolute;
    top: 300px; left: 307px;
    width: 90px; height: 1px;
    background: linear-gradient(90deg, rgba(217,93,16,0.2), transparent);
    transform: rotate(25deg);
    transform-origin: left;
}
.nns-node-dot {
    position: absolute;
    width: 5px; height: 5px;
    border-radius: 50%;
    background: rgba(217,93,16,0.5);
}
.nns-node-dot-1 { top: 190px; left: 410px; }
.nns-node-dot-2 { top: 400px; left: 220px; }
.nns-node-dot-3 { top: 140px; left: 180px; }
.nns-hero h1 {
    color: #fff;
    font-family: var(--alt-font);
    line-height: 1.1;
    letter-spacing: -1.5px;
}
.nns-hero h1 .accent-line {
    background: linear-gradient(90deg, var(--nns-accent), #E87832);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.nns-hero p { color: rgba(255,255,255,0.6); }

/* ---- Section Eyebrow ---- */
.nns-eyebrow {
    font-family: var(--alt-font);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}
.nns-eyebrow::before {
    content: '';
    width: 28px;
    height: 2px;
    background: var(--nns-accent);
    display: inline-block;
}
.nns-eyebrow-accent { color: var(--nns-accent); }
.nns-eyebrow-white { color: rgba(255,255,255,0.5); }
.nns-eyebrow-white::before { background: rgba(255,255,255,0.3); }

/* ---- Stats Bar ---- */
.nns-stats-bar {
    background: var(--nns-navy);
    border-top: 1px solid rgba(255,255,255,0.06);
    position: relative;
    z-index: 5;
}
.nns-stat {
    text-align: center;
    padding: 36px 20px;
    position: relative;
}
.nns-stat + .nns-stat::before {
    content: '';
    position: absolute;
    left: 0;
    top: 25%;
    height: 50%;
    width: 1px;
    background: rgba(255,255,255,0.08);
}
.nns-stat-val {
    font-family: var(--alt-font);
    font-size: 38px;
    font-weight: 800;
    color: #fff;
    line-height: 1;
    margin-bottom: 6px;
}
.nns-stat-val span { color: var(--nns-accent); }
.nns-stat-label {
    font-size: 13px;
    font-weight: 500;
    color: rgba(255,255,255,0.45);
    text-transform: uppercase;
    letter-spacing: 1.2px;
}

/* ---- Service Rows (left-icon horizontal) ---- */
.nns-svc-row {
    padding: 28px 30px;
    background: #fff;
    border: 1px solid var(--nns-border);
    border-radius: 10px;
    transition: all 0.35s ease;
}
.nns-svc-row:hover {
    border-color: var(--nns-accent);
    box-shadow: 0 15px 40px rgba(13,27,42,0.06);
}
.nns-svc-icon {
    width: 52px;
    height: 52px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 22px;
    background: var(--nns-surface);
    transition: all 0.4s ease;
}
.nns-svc:hover .nns-svc-icon {
    background: var(--nns-accent);
}
.nns-svc-icon i {
    font-size: 22px;
    color: var(--nns-accent);
    transition: color 0.4s ease;
}
.nns-svc:hover .nns-svc-icon i { color: #fff; }
.nns-svc h3 {
    font-size: 21px;
    font-weight: 700;
    margin-bottom: 10px;
}
.nns-svc p {
    color: var(--nns-text-light);
    font-size: 16px;
    line-height: 28px;
    margin: 0;
}

/* ---- About ---- */
.nns-about-block {
    background: var(--nns-warm-surface);
    border-radius: 14px;
    padding: 48px 44px;
}
.nns-value {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    padding: 16px 18px;
    border-radius: 8px;
    transition: background 0.3s;
}
.nns-value:hover { background: rgba(217,93,16,0.06); }
.nns-value-dot {
    width: 22px;
    height: 22px;
    min-width: 22px;
    border-radius: 50%;
    background: var(--nns-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.nns-value-dot i { color: #fff; font-size: 9px; }
.nns-value h4 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 4px;
    line-height: 22px;
}
.nns-value p {
    font-size: 15px;
    color: var(--nns-text-light);
    margin: 0;
    line-height: 24px;
}

/* ---- Product Cards ---- */
.nns-product {
    background: #fff;
    border-radius: 14px;
    border: 1px solid var(--nns-border);
    padding: 44px 36px;
    text-align: center;
    transition: all 0.4s ease;
    height: 100%;
    display: block;
    color: inherit;
}
.nns-product:hover {
    border-color: var(--nns-accent);
    box-shadow: 0 25px 70px rgba(13,27,42,0.1);
    transform: translateY(-6px);
    color: inherit;
    text-decoration: none;
}
.nns-product img {
    width: 72px;
    height: 72px;
    object-fit: contain;
    margin: 0 auto 18px;
    display: block;
}
.nns-product h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 4px;
}
.nns-product .sub {
    font-size: 14px;
    color: var(--nns-text-light);
    margin-bottom: 22px;
}

/* ---- Process Ghost Numbers ---- */
.process-step-style-10 .process-step-icon-box .number {
    -webkit-text-stroke-color: var(--nns-accent) !important;
    color: transparent !important;
    opacity: 0.25;
}

/* ---- Process Steps ---- */
.nns-step {
    padding: 32px 28px;
    background: #fff;
    border: 1px solid var(--nns-border);
    border-radius: 10px;
    transition: all 0.35s ease;
    height: 100%;
}
.nns-step:hover {
    border-color: var(--nns-accent);
    box-shadow: 0 15px 40px rgba(13,27,42,0.06);
}
.nns-step-num {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--nns-charcoal);
    color: #fff;
    font-family: var(--alt-font);
    font-weight: 800;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    transition: background 0.35s;
}
.nns-step:hover .nns-step-num { background: var(--nns-accent); }
.nns-step h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.nns-step p { font-size: 16px; color: var(--nns-text-light); margin: 0; line-height: 27px; }

/* ---- Tech Stack Tabs ---- */
#tech-stack .tab-style-05 .nav-tabs .nav-link,
#tech-stack .tab-style-05 .nav-tabs .nav-link span,
#tech-stack .tab-style-05 .nav-tabs .nav-link i {
    color: rgba(255,255,255,0.55) !important;
    border: none;
    transition: all 0.3s ease;
    border-radius: 6px;
    background: transparent;
}
#tech-stack .tab-style-05 .nav-tabs .nav-link:hover,
#tech-stack .tab-style-05 .nav-tabs .nav-link:hover span,
#tech-stack .tab-style-05 .nav-tabs .nav-link:hover i {
    color: rgba(255,255,255,0.9) !important;
    background: rgba(255,255,255,0.06);
}
#tech-stack .tab-style-05 .nav-tabs .nav-link.active,
#tech-stack .tab-style-05 .nav-tabs .nav-link.active span,
#tech-stack .tab-style-05 .nav-tabs .nav-link.active i {
    color: #fff !important;
    background: var(--nns-accent) !important;
}
.nns-pill-logo {
    width: 16px;
    height: 16px;
    margin-right: 6px;
    vertical-align: -2px;
}
.nns-pill {
    display: inline-flex;
    align-items: center;
    background: var(--nns-surface);
    border: 1px solid var(--nns-border);
    border-radius: 30px;
    padding: 6px 18px;
    font-size: 14px;
    font-weight: 500;
    color: var(--nns-text);
    margin: 3px;
    transition: all 0.3s ease;
}
.nns-pill:hover {
    background: var(--nns-accent-glow);
    border-color: rgba(217,93,16,0.25);
    color: var(--nns-accent);
    transform: translateY(-2px);
}
.nns-pill-alt {
    display: inline-block;
    background: #fff;
    border: 1px solid var(--nns-border);
    border-radius: 30px;
    padding: 6px 18px;
    font-size: 14px;
    font-weight: 500;
    color: var(--nns-text-light);
    margin: 3px;
    transition: all 0.3s ease;
}
.nns-pill-alt:hover {
    background: var(--nns-surface);
    color: var(--nns-navy);
    transform: translateY(-2px);
}

/* ---- Advantage ---- */
.nns-adv {
    text-align: center;
    padding: 44px 32px;
    border-radius: 12px;
    background: var(--nns-surface);
    border: 1px solid transparent;
    transition: all 0.4s ease;
    height: 100%;
}
.nns-adv:hover {
    background: #fff;
    border-color: var(--nns-accent);
    box-shadow: 0 20px 50px rgba(13,27,42,0.06);
    transform: translateY(-5px);
}
.nns-adv-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--nns-accent-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: all 0.4s ease;
}
.nns-adv:hover .nns-adv-icon { background: var(--nns-accent); }
.nns-adv-icon i {
    font-size: 22px;
    color: var(--nns-accent);
    transition: color 0.4s;
}
.nns-adv:hover .nns-adv-icon i { color: #fff; }
.nns-adv h3 { font-size: 21px; font-weight: 700; margin-bottom: 10px; }
.nns-adv p { font-size: 16px; color: var(--nns-text-light); margin: 0; line-height: 28px; }

/* ---- FAQ ---- */
.nns-faq .accordion-item {
    background: #fff;
    border: 1px solid var(--nns-border);
    border-radius: 8px !important;
    margin-bottom: 10px;
    overflow: hidden;
    transition: border-color 0.3s;
}
.nns-faq .accordion-item:hover { border-color: var(--nns-accent); }
.nns-faq .accordion-button {
    font-family: var(--alt-font);
    font-weight: 600;
    font-size: 17px;
    color: var(--nns-navy);
    padding: 20px 24px;
    background: #fff;
    box-shadow: none !important;
}
.nns-faq .accordion-button:not(.collapsed) { color: var(--nns-accent); background: #fff; }
.nns-faq .accordion-button::after {
    background-image: none;
    content: '\2b';
    font-size: 18px;
    font-weight: 600;
    color: var(--nns-text-light);
    width: auto;
    height: auto;
    transition: transform 0.3s;
}
.nns-faq .accordion-button:not(.collapsed)::after {
    content: '\2212';
    color: var(--nns-accent);
    transform: none;
}
.nns-faq .accordion-body {
    padding: 0 24px 20px;
    font-size: 16px;
    color: var(--nns-text-light);
    line-height: 28px;
}

/* ---- CTA ---- */
.nns-cta {
    background: linear-gradient(145deg, var(--nns-charcoal) 0%, var(--nns-navy) 100%);
    position: relative;
    overflow: hidden;
}
.nns-cta-glow {
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(217,93,16,0.08) 0%, transparent 70%);
    top: -200px;
    right: -100px;
    pointer-events: none;
}

/* ---- Contact ---- */
.nns-form-wrap {
    background: #fff;
    border-radius: 14px;
    border: 1px solid var(--nns-border);
    box-shadow: 0 20px 60px rgba(13,27,42,0.06);
    padding: 44px;
}
.nns-form input,
.nns-form textarea {
    width: 100%;
    padding: 13px 18px;
    border: 1px solid var(--nns-border);
    border-radius: 6px;
    font-family: var(--primary-font);
    font-size: 15px;
    color: var(--nns-navy);
    background: #fff;
    outline: none;
    transition: border-color 0.3s, box-shadow 0.3s;
}
.nns-form input:focus,
.nns-form textarea:focus {
    border-color: var(--nns-accent);
    box-shadow: 0 0 0 3px var(--nns-accent-glow);
}
.nns-form label {
    font-family: var(--alt-font);
    font-weight: 600;
    font-size: 14px;
    color: var(--nns-navy);
    margin-bottom: 6px;
    display: block;
}
.nns-contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}
.nns-contact-item .c-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.nns-contact-item .c-icon i { font-size: 18px; }

/* ---- Footer ---- */
.nns-footer {
    background: var(--nns-charcoal);
    color: rgba(255,255,255,0.55);
}
.nns-footer h4 {
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 18px;
}
.nns-footer a {
    color: rgba(255,255,255,0.55);
    font-size: 15px;
    transition: color 0.3s;
}
.nns-footer a:hover { color: var(--nns-accent); }
.nns-footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.07);
}
.nns-footer-logo {
    background: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 20px;
    border-radius: 8px;
}
.nns-footer-logo img { max-height: 36px; }

/* ---- Notification ---- */
.nns-notification {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 10000;
    padding: 16px 24px;
    border-radius: 8px;
    max-width: 400px;
    font-size: 14px;
    font-weight: 500;
    font-family: var(--primary-font);
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: nns-notify-in 0.35s ease;
}
.nns-notification-success { background: #059669; color: #fff; }
.nns-notification-error { background: #DC2626; color: #fff; }
.nns-notification-info { background: var(--nns-navy); color: #fff; }
.nns-notification button {
    background: none;
    border: none;
    color: rgba(255,255,255,0.7);
    cursor: pointer;
    font-size: 18px;
    padding: 0;
    margin-left: auto;
}
.nns-notification button:hover { color: #fff; }
@keyframes nns-notify-in {
    from { transform: translateX(110%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ---- reCAPTCHA ---- */
.grecaptcha-badge {
    visibility: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

/* ---- Responsive ---- */
@media (max-width: 1199px) {
    .nns-hero-visual { width: 450px; height: 450px; right: -10%; }
}
@media (max-width: 991px) {
    .nns-hero { min-height: auto; padding: 130px 0 80px; }
    .nns-hero-visual { display: none; }
    .nns-hero h1 { font-size: 42px !important; }
    .nns-stat-val { font-size: 30px; }
    .nns-stat + .nns-stat::before { display: none; }
    .nns-about-block { padding: 32px 28px; }
    .nns-form-wrap { padding: 32px 28px; }

    /* Center-align content sections on mobile */
    .nns-svc-row { text-align: center; }
    .nns-svc-row .feature-box-icon { margin: 0 auto 15px; }
    .nns-svc-row.feature-box-left-icon { flex-direction: column; align-items: center; }
    .nns-svc-row .feature-box-icon { margin-right: 0 !important; }
    .process-step-style-10 { text-align: center; }
    .process-step-style-10 .process-step-icon-box { position: relative !important; top: auto !important; left: auto !important; margin-bottom: 5px; }
    .nns-about-block { text-align: center; }
    .nns-value { flex-direction: column; align-items: center; text-align: center; }
    #tech-stack .tab-style-05 .nav-tabs { flex-direction: row !important; flex-wrap: wrap; gap: 5px; padding: 15px !important; }
    #tech-stack .tab-style-05 .nav-link { padding: 8px 12px !important; font-size: 13px !important; }
    #tech-stack .tab-style-05 .nav-link span { font-size: 13px !important; }
    #tech-stack .tab-content { padding: 25px !important; }
    .nns-contact-item { flex-direction: column; align-items: center; text-align: center; }
    .nns-contact-item address { text-align: center; }
    .nns-form-wrap .col-lg-7,
    .nns-form-wrap .col-lg-5 { text-align: center; }
    .nns-form label { text-align: left; }
    .nns-footer { text-align: center; }
    .nns-footer-logo { margin: 0 auto; }
}
@media (max-width: 767px) {
    .nns-hero { padding: 110px 0 60px; }
    .nns-hero h1 { font-size: 34px !important; letter-spacing: -0.5px !important; }
    .nns-svc, .nns-step { padding: 28px 24px; }
    .nns-stat { padding: 20px 12px; }
    .nns-stat-val { font-size: 26px; }
    .nns-stat-label { font-size: 11px; letter-spacing: 0.8px; }
    .nns-form-wrap { padding: 28px 20px; }
}