/* ============================================================
   TRIDIAN SOFTWARE — SITE STYLES
   Brand: Dark navy (#0d1b27) + Lime green (#78c340)
   ============================================================ */

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

:root {
    --bg:          #0d1b27;
    --bg-alt:      #0a1620;
    --card:        #132030;
    --card-hover:  #172639;
    --border:      #1e3044;
    --border-light:#26394f;
    --green:       #78c340;
    --green-dark:  #5fa030;
    --green-glow:  rgba(120, 195, 64, 0.15);
    --text:        #dde8f2;
    --text-muted:  #7a95ae;
    --text-faint:  #4a647a;
    --white:       #ffffff;
    --nav-h:       68px;
    --radius:      10px;
    --radius-lg:   16px;
    --shadow:      0 4px 24px rgba(0,0,0,0.4);
    --shadow-lg:   0 8px 48px rgba(0,0,0,0.5);
    --transition:  0.25s ease;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', system-ui, sans-serif;
    font-weight: 400;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, strong {
    font-family: 'Montserrat', system-ui, sans-serif;
    font-weight: 700;
    color: var(--white);
    line-height: 1.2;
}

h2 { font-size: clamp(1.75rem, 3vw, 2.4rem); }
h3 { font-size: 1.1rem; font-weight: 600; }

p { color: var(--text); line-height: 1.75; }

a { color: var(--green); text-decoration: none; transition: color var(--transition); }
a:hover { color: #a0dc6a; }

img { display: block; max-width: 100%; }

.green { color: var(--green); }

.container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 6px;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--green);
    color: #0a1a08;
    border-color: var(--green);
}
.btn-primary:hover {
    background: #8ed454;
    border-color: #8ed454;
    color: #0a1a08;
    transform: translateY(-1px);
    box-shadow: 0 6px 24px rgba(120, 195, 64, 0.35);
}

.btn-ghost {
    background: transparent;
    color: var(--text);
    border-color: var(--border-light);
}
.btn-ghost:hover {
    border-color: var(--green);
    color: var(--green);
    transform: translateY(-1px);
}

.btn-large {
    padding: 16px 36px;
    font-size: 1rem;
}

/* ============================================================
   NAV
   ============================================================ */

#nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--nav-h);
    transition: background var(--transition), box-shadow var(--transition), backdrop-filter var(--transition);
}

#nav.scrolled {
    background: rgba(10, 22, 32, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 var(--border);
}

.nav-inner {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: inherit;
    text-decoration: none;
    flex-shrink: 0;
}
.nav-logo:hover { color: inherit; }

.nav-logo-icon {
    width: 36px;
    height: 36px;
    object-fit: contain;
}

.nav-logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.nav-logo-tridian {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: 1rem;
    letter-spacing: 0.1em;
    color: var(--white);
}

.nav-logo-sw {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.6rem;
    letter-spacing: 0.2em;
    color: var(--green);
    margin-top: 1px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
    list-style: none;
}

.nav-links a {
    display: block;
    padding: 8px 14px;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-muted);
    border-radius: 5px;
    transition: color var(--transition), background var(--transition);
}
.nav-links a:hover { color: var(--white); background: rgba(255,255,255,0.05); }

.nav-cta {
    background: var(--green) !important;
    color: #0a1a08 !important;
    border-radius: 5px;
    margin-left: 8px;
}
.nav-cta:hover {
    background: #8ed454 !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(120,195,64,0.3);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all var(--transition);
}

/* ============================================================
   HERO
   ============================================================ */

#hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: calc(var(--nav-h) + 40px) 24px 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 60% at 50% 40%, #0e2035 0%, var(--bg-alt) 60%, #060e16 100%);
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(135deg, rgba(120,195,64,0.04) 0%, transparent 50%),
        linear-gradient(225deg, rgba(120,195,64,0.03) 0%, transparent 50%);
}

.pixel-grid {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.pixel {
    position: absolute;
    background: var(--green);
    border-radius: 2px;
    animation: pixelFloat linear infinite;
}

@keyframes pixelFloat {
    0%   { transform: translateY(0) rotate(0deg); opacity: inherit; }
    50%  { opacity: 0.05; }
    100% { transform: translateY(-80px) rotate(45deg); opacity: 0; }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 780px;
}

.hero-logo {
    width: min(380px, 80vw);
    margin: 0 auto 40px;
    filter: drop-shadow(0 8px 32px rgba(0,0,0,0.6));
}

.hero-headline {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--white);
    margin-bottom: 20px;
    text-shadow: 0 2px 24px rgba(0,0,0,0.4);
}

.hero-sub {
    font-size: clamp(1rem, 2vw, 1.15rem);
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 36px;
    font-weight: 300;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 28px;
}

.hero-location {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--text-faint);
    font-family: 'Montserrat', sans-serif;
    letter-spacing: 0.04em;
}
.hero-location svg { color: var(--green); flex-shrink: 0; }

.hero-scroll-hint {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}
.hero-scroll-hint span {
    display: block;
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, var(--green), transparent);
    animation: scrollHint 2s ease-in-out infinite;
}
@keyframes scrollHint {
    0%, 100% { opacity: 0.6; transform: scaleY(1); }
    50% { opacity: 0.2; transform: scaleY(0.6); }
}

/* ============================================================
   STATS BAND
   ============================================================ */

.stats-band {
    background: var(--card);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 36px 0;
}

.stats-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 40px;
    text-align: center;
}

.stat-number {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--green);
    line-height: 1;
}

.stat-label {
    font-size: 0.78rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-top: 6px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 48px;
    background: var(--border-light);
    flex-shrink: 0;
}

/* ============================================================
   SECTIONS
   ============================================================ */

.section {
    padding: 100px 0;
}

.section-alt {
    background: var(--bg-alt);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 64px;
}

.section-label {
    display: inline-block;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--green);
    margin-bottom: 14px;
    padding: 5px 14px;
    background: rgba(120,195,64,0.1);
    border-radius: 100px;
    border: 1px solid rgba(120,195,64,0.2);
}

.section-intro {
    color: var(--text-muted);
    margin-top: 14px;
    font-size: 1.05rem;
}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */

.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: none;
}

.reveal-delay {
    transition-delay: 0.15s;
}

/* ============================================================
   ABOUT
   ============================================================ */

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.about-text .section-label { margin-bottom: 16px; }

.about-text h2 { margin-bottom: 20px; }

.about-text p {
    color: var(--text-muted);
    margin-bottom: 16px;
    font-size: 0.97rem;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 28px;
}

.tech-tags span {
    padding: 5px 12px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border-light);
    border-radius: 5px;
    font-size: 0.78rem;
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.03em;
    transition: all var(--transition);
}
.tech-tags span:hover {
    border-color: var(--green);
    color: var(--green);
    background: var(--green-glow);
}

.about-card-stack {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.about-card {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 22px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: border-color var(--transition), background var(--transition);
}
.about-card:hover {
    border-color: var(--border-light);
    background: var(--card-hover);
}

.about-card-icon {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--green-glow);
    border: 1px solid rgba(120,195,64,0.2);
    border-radius: 8px;
    color: var(--green);
}

.about-card strong {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 6px;
    color: var(--white);
}

.about-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.6;
}

/* ============================================================
   SERVICES
   ============================================================ */

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.service-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--green), transparent);
    opacity: 0;
    transition: opacity var(--transition);
}

.service-card:hover {
    border-color: var(--border-light);
    background: var(--card-hover);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}
.service-card:hover::before { opacity: 1; }

.service-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--green-glow);
    border: 1px solid rgba(120,195,64,0.2);
    border-radius: 10px;
    color: var(--green);
    margin-bottom: 20px;
    transition: all var(--transition);
}
.service-card:hover .service-icon {
    background: rgba(120,195,64,0.2);
}

.service-card h3 {
    font-size: 1rem;
    margin-bottom: 12px;
    color: var(--white);
}

.service-card > p {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-points {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.service-points li {
    font-size: 0.8rem;
    color: var(--text-faint);
    padding-left: 16px;
    position: relative;
}

.service-points li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 1px;
    background: var(--green);
    opacity: 0.6;
}

/* ============================================================
   WORK
   ============================================================ */

.work-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.work-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: all var(--transition);
}
.work-card:hover {
    border-color: var(--border-light);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.work-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.work-industry {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--green);
    background: rgba(120,195,64,0.1);
    border: 1px solid rgba(120,195,64,0.15);
    padding: 3px 10px;
    border-radius: 100px;
}

.work-duration {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-faint);
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.work-card h3 {
    font-size: 1.05rem;
    color: var(--white);
}

.work-card > p {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.7;
}

.work-highlights {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.work-highlight {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.5;
}
.work-highlight svg {
    color: var(--green);
    flex-shrink: 0;
    margin-top: 2px;
}

.work-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: auto;
    padding-top: 4px;
}
.work-tech span {
    font-size: 0.72rem;
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    padding: 3px 9px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-faint);
}

/* ============================================================
   TESTIMONIALS
   ============================================================ */

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: relative;
    transition: all var(--transition);
}
.testimonial-card:hover {
    border-color: var(--border-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.quote-mark {
    font-family: Georgia, serif;
    font-size: 4rem;
    line-height: 1;
    color: var(--green);
    opacity: 0.4;
    margin-bottom: -8px;
}

.testimonial-card > p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.8;
    font-style: italic;
    font-weight: 300;
    flex: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.author-info strong {
    display: block;
    font-size: 0.88rem;
    color: var(--white);
}
.author-info span {
    font-size: 0.78rem;
    color: var(--text-faint);
}

/* ============================================================
   CONTACT
   ============================================================ */

.contact-section {
    background: var(--bg);
    position: relative;
    overflow: hidden;
}

.contact-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(120,195,64,0.06) 0%, transparent 70%);
    pointer-events: none;
}

.contact-inner {
    text-align: center;
    max-width: 580px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.contact-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 28px;
}
.contact-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 4px 16px rgba(120,195,64,0.3));
}

.contact-inner .section-label { margin-bottom: 16px; }

.contact-inner h2 { margin-bottom: 16px; }

.contact-inner p {
    color: var(--text-muted);
    margin-bottom: 36px;
    font-size: 1rem;
}

.contact-actions {
    margin-bottom: 24px;
}

.contact-details {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 0.82rem;
    color: var(--text-faint);
    flex-wrap: wrap;
}
.contact-details svg { color: var(--green); }
.contact-details span { display: flex; align-items: center; gap: 5px; }

/* ============================================================
   FOOTER
   ============================================================ */

footer {
    background: var(--bg-alt);
    border-top: 1px solid var(--border);
    padding: 36px 0;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
    font-size: 0.83rem;
    line-height: 1.5;
}
.footer-brand strong { color: var(--white); font-size: 0.88rem; }
.footer-logo {
    width: 36px;
    height: 36px;
    object-fit: contain;
    opacity: 0.8;
}

.footer-links {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.footer-links a {
    padding: 6px 12px;
    font-size: 0.78rem;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-faint);
    border-radius: 4px;
    transition: color var(--transition), background var(--transition);
}
.footer-links a:hover { color: var(--green); background: rgba(255,255,255,0.04); }

.footer-copy {
    font-size: 0.78rem;
    color: var(--text-faint);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1024px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .work-grid { grid-template-columns: repeat(2, 1fr); }
    .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
    .about-grid { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 768px) {
    :root { --nav-h: 60px; }

    .nav-links {
        display: none;
        position: fixed;
        top: var(--nav-h);
        left: 0;
        right: 0;
        background: rgba(8, 18, 28, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 20px 24px;
        gap: 4px;
        border-bottom: 1px solid var(--border);
    }
    .nav-links.open { display: flex; }
    .nav-links a { padding: 12px 16px; font-size: 0.9rem; }
    .nav-cta { text-align: center; }
    .nav-toggle { display: flex; }
    .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .nav-toggle.open span:nth-child(2) { opacity: 0; }
    .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

    .section { padding: 72px 0; }

    .services-grid,
    .work-grid,
    .testimonials-grid { grid-template-columns: 1fr; }

    .stats-grid { gap: 0; }
    .stat { padding: 12px 20px; }
    .stat-divider { display: none; }

    .hero-logo { margin-bottom: 28px; }
    .hero-headline { font-size: 1.9rem; }
    .hero-actions { flex-direction: column; align-items: center; }
    .hero-actions .btn { width: 100%; max-width: 280px; justify-content: center; }

    .footer-inner { flex-direction: column; text-align: center; }
    .footer-links { justify-content: center; }
    .footer-brand { justify-content: center; }

    .testimonials-grid .testimonial-card:nth-child(3) { display: none; }
}

@media (max-width: 480px) {
    .hero-logo { width: 240px; }
    .section { padding: 56px 0; }
    .service-card, .work-card, .testimonial-card { padding: 24px 20px; }
    .stat-number { font-size: 1.8rem; }
}