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

:root {
    --bg-base: #131213;
    --bg-surface: #1a1a1c;
    --bg-surface-elevated: #202024;

    --primary: #FF0000;
    --primary-hover: #ff3333;
    --primary-dark: #cc0000;
    --secondary: #7a7a82;

    --text-main: #ffffff;
    --text-muted: #9a9aa5;
    --text-inverse: #131213;

    --border-color: rgba(255, 0, 0, 0.15);
    --border-glow: rgba(255, 0, 0, 0.4);

    --font-display: 'Open Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-body: 'Open Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-tech: 'Open Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-pill: 9999px;

    --glass-bg: rgba(19, 18, 19, 0.75);
    --glass-blur: blur(20px);

    --nav-height: 72px;
}

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

#shader-bg-canvas {
    display: none !important;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-base);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.12s ease;
}

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

/* ── Typography ── */
.text-primary { color: var(--primary); }
.text-muted { color: var(--text-muted); }
.italic { font-style: italic; }

.label-tech {
    font-family: var(--font-tech);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    font-weight: 700;
}

/* ── Layout ── */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.25rem;
    }
}

.section {
    padding: 6rem 0;
    position: relative;
    z-index: 10;
}

@media (max-width: 768px) {
    .section {
        padding: 3.5rem 0;
    }
}

/* ── Glassmorphism ── */
.glass-nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--border-color);
}

.glass-card {
    background: rgba(255, 0, 0, 0.02);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    transition: transform 0.12s ease, box-shadow 0.12s ease, border-color 0.12s ease;
}

.glass-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 0, 0, 0.35);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(255, 0, 0, 0.1);
}

@media (max-width: 768px) {
    .glass-card {
        padding: 1.5rem;
    }
}

/* ── Navigation ── */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1280px;
    margin: 0 auto;
    height: var(--nav-height);
}

@media (max-width: 768px) {
    .navbar {
        padding: 1rem 1.25rem;
    }
}

.nav-brand {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
    z-index: 1001;
}

.nav-brand span {
    white-space: nowrap;
}

@media (max-width: 480px) {
    .nav-brand span {
        display: none;
    }
}

/* Desktop nav links */
.nav-links {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--primary);
    text-shadow: 0 0 12px rgba(255, 0, 0, 0.4);
}

/* Hamburger button - hidden on desktop */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-main);
    padding: 0.5rem;
    z-index: 1001;
    flex-shrink: 0;
}

.mobile-menu-btn .material-symbols-outlined {
    font-size: 1.75rem;
    display: block;
}

/* Nav inquiry button - hidden on very small screens */
.nav-cta {
    flex-shrink: 0;
}

/* Mobile nav overlay */
@media (max-width: 900px) {
    .mobile-menu-btn {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .nav-cta {
        display: none;
    }

    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        height: 100vh;
        background: rgba(13, 12, 13, 0.97);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2.5rem;
        z-index: 999;
        transform: translateY(-100%);
        opacity: 0;
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
        pointer-events: none;
    }

    .nav-links.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .nav-links a {
        font-size: 1.5rem;
        font-weight: 600;
        letter-spacing: 0.05em;
        text-transform: uppercase;
    }

    /* Show inquiry button inside mobile menu */
    .nav-links .mobile-cta {
        display: inline-flex;
        margin-top: 1rem;
    }
}

@media (min-width: 901px) {
    .nav-links .mobile-cta {
        display: none;
    }
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 999px;
    border: 1px solid rgba(255, 0, 0, 0.3);
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
    isolation: isolate;
    color: #ffffff;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-shadow: 0 1px 4px rgba(255, 0, 0, 0.5);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
    white-space: nowrap;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -2;
    border-radius: inherit;
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -1;
    border-radius: inherit;
    pointer-events: none;
    box-shadow:
        0 0 8px rgba(255, 0, 0, 0.15),
        0 2px 6px rgba(255, 0, 0, 0.2),
        inset 1px 1px 1px -0.5px rgba(255,255,255,0.6),
        inset -1px -1px 1px -0.5px rgba(255,255,255,0.6),
        0 0 12px rgba(255, 0, 0, 0.35);
    transition: all 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.btn-primary {
    background: #FF0000;
    border-color: #FF0000;
}

.btn-primary::before {
    background: transparent;
}

.btn-primary::after {
    box-shadow:
        0 0 8px rgba(255, 0, 0, 0.15),
        0 2px 6px rgba(255, 0, 0, 0.2),
        0 0 12px rgba(255, 0, 0, 0.35);
}

.btn-primary:hover {
    background: #ff3333;
    border-color: #ff3333;
    transform: translateY(-2px) scale(1.03);
}

.btn-primary:active {
    transform: translateY(1px) scale(0.97);
    background: #cc0000;
    border-color: #cc0000;
}

.btn-outline {
    background: rgba(255, 0, 0, 0.08);
    border-color: #FF0000;
}

.btn-outline:hover {
    background: rgba(255, 0, 0, 0.18);
    border-color: #ff3333;
    color: #ffffff;
    transform: translateY(-2px) scale(1.03);
}

.btn-outline:active {
    transform: translateY(1px) scale(0.97);
    background: rgba(255, 0, 0, 0.05);
    border-color: #cc0000;
}

/* ── Responsive Grids ── */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

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

.grid-auto {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 400px), 1fr));
    gap: 3rem;
}

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

@media (max-width: 768px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .grid-4 {
        grid-template-columns: 1fr 1fr;
    }
}

/* ── Button group responsive ── */
.btn-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

@media (max-width: 480px) {
    .btn-group {
        flex-direction: column;
    }
    .btn-group .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ── Background Effects ── */
.bg-grid {
    background-image:
        linear-gradient(to right, rgba(255, 0, 0, 0.04) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 0, 0, 0.04) 1px, transparent 1px);
    background-size: 40px 40px;
    background-position: center center;
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    z-index: 0;
    opacity: 0.25;
    pointer-events: none;
}

.glow-primary { background: var(--primary); }

/* ── Footer ── */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 4rem 0 2rem;
    background-color: var(--bg-surface);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    .footer {
        padding: 3rem 0 2rem;
    }
}

/* ── Scroll Animations ── */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ── Content wrapper ── */
.content-wrapper {
    position: relative;
    z-index: 10;
}

/* ── Page Header (inner pages) ── */
.page-header {
    padding-top: calc(var(--nav-height) + 5rem);
    padding-bottom: 4rem;
}

@media (max-width: 768px) {
    .page-header {
        padding-top: calc(var(--nav-height) + 2.5rem);
        padding-bottom: 2.5rem;
    }
}

/* ── Red Highlights ── */
.product-content h3 { color: var(--primary); }
.flagship-content h3 { color: var(--primary); }
.section-header h2 { color: var(--primary); }
.service-content h2 { color: var(--primary); }

/* ── Ticker ── */
.ticker-section {
    padding: 3rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
    background: rgba(10, 10, 12, 0.8);
}

.ticker-wrap {
    display: flex;
    width: fit-content;
    animation: scroll 40s linear infinite;
    gap: 6rem;
}

.ticker-item {
    font-family: var(--font-tech);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.4em;
    color: var(--text-muted);
    opacity: 0.5;
    white-space: nowrap;
}

@keyframes scroll {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}

@media (max-width: 768px) {
    .ticker-section { padding: 1.5rem 0; }
    .ticker-item { font-size: 1rem; }
    .ticker-wrap { gap: 3rem; }
}

/* ── Hero fader ── */
.hero-fader-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    background: #050505;
}

.fader-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.5s ease-in-out, transform 6s linear;
    transform: scale(1);
    will-change: opacity, transform;
}

.fader-slide.active {
    opacity: 1;
    transform: scale(1.05);
    z-index: 1;
}

.fader-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(5,5,5,0.9) 0%, rgba(5,5,5,0.6) 50%, rgba(5,5,5,0.2) 100%);
    z-index: 2;
}

/* ── Sector cards ── */
.sector-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 600px) {
    .sector-grid {
        grid-template-columns: 1fr;
    }
}

.sector-card {
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    background: rgba(255,0,0,0.02);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
}

.sector-card:hover {
    background: rgba(255,0,0,0.06);
    border-color: rgba(255,0,0,0.25);
}

/* ── Stat numbers ── */
.stat-number {
    font-family: var(--font-display);
    font-size: 3rem;
    line-height: 1;
}

@media (max-width: 480px) {
    .stat-number { font-size: 2rem; }
}

/* ── CTA card responsive ── */
.cta-card-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .cta-card-inner {
        flex-direction: column;
        align-items: flex-start;
    }
    .cta-card-inner .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ── Service grid ── */
.service-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 6rem;
}

/* Desktop: order-first = column 1 (left), order-last = column 2 (right) */
.order-first { order: 1; }
.order-last  { order: 2; }

@media (max-width: 1024px) {
    .service-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        margin-bottom: 4rem;
    }
    /* On mobile, reset order so content always appears first (above image) */
    .order-first { order: 1; }
    .order-last  { order: 2; }
}

@media (max-width: 768px) {
    .service-grid { margin-bottom: 3rem; }
}

/* ── Contact form ── */
.contact-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
}

@media (max-width: 1024px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

@media (max-width: 600px) {
    .form-row-2 {
        grid-template-columns: 1fr;
    }
}

/* ── Product grids ── */
.product-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

@media (max-width: 768px) {
    .product-grid-2 {
        grid-template-columns: 1fr;
    }
}

/* Flagship spec grid */
.flagship-spec-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-top: 2rem;
}

@media (max-width: 1024px) {
    .flagship-spec-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .flagship-spec-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Flagship card content padding */
.flagship-content {
    padding: 0 4rem 4rem;
    margin-top: -80px;
    position: relative;
    z-index: 2;
}

@media (max-width: 1024px) {
    .flagship-content {
        padding: 0 2rem 2rem;
        margin-top: -60px;
    }
}

@media (max-width: 600px) {
    .flagship-content {
        padding: 0 1.25rem 1.5rem;
        margin-top: -40px;
    }
}

/* ── Hero specific ── */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--nav-height);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

/* ── Inline heading responsive ── */
@media (max-width: 768px) {
    h1, .h1-responsive {
        font-size: clamp(2rem, 8vw, 3.5rem) !important;
    }
    h2, .h2-responsive {
        font-size: clamp(1.75rem, 6vw, 2.5rem) !important;
    }
    h3, .h3-responsive {
        font-size: clamp(1.25rem, 4vw, 2rem) !important;
    }
}

/* ── Stats section ── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
}

@media (max-width: 1024px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 1rem; }
}

/* ── Team card ── */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 400px), 1fr));
    gap: 3rem;
}

@media (max-width: 600px) {
    .team-grid { gap: 2rem; }
}

/* ── Cert grid ── */
.cert-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    margin-bottom: 4rem;
    align-items: start;
}

@media (max-width: 1024px) {
    .cert-grid {
        grid-template-columns: 1fr;
        max-width: 680px;
        margin-left: auto;
        margin-right: auto;
    }
}

@media (max-width: 600px) {
    .cert-grid { gap: 1.5rem; }
}

/* ── Core portfolio grid ── */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 400px), 1fr));
    gap: 4rem;
}

/* ── Heritage section ── */
.heritage-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

@media (max-width: 1024px) {
    .heritage-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

/* ── Technical grid inside glass card ── */
.tech-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

@media (max-width: 480px) {
    .tech-grid { grid-template-columns: 1fr; gap: 1.5rem; }
}