@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

/* ============================================================
   DESIGN TOKENS
============================================================ */
:root {
    --blue:       #2563EB;
    --blue-light: #3B82F6;
    --blue-dark:  #1D4ED8;
    --cyan:       #06B6D4;
    --green:      #10B981;
    --orange:     #F59E0B;
    --red:        #EF4444;
    --purple:     #8B5CF6;

    --dark:       #06090F;
    --dark2:      #0C1220;
    --dark3:      #141C2E;
    --dark4:      #1C2640;

    --text:       #E2E8F0;
    --text-muted: #94A3B8;
    --text-dim:   #64748B;

    --border:     rgba(255,255,255,0.06);
    --border-hover: rgba(255,255,255,0.12);
    --card-bg:    rgba(20,28,46,0.65);
    --glass:      rgba(12,18,32,0.8);

    --radius:     12px;
    --radius-lg:  16px;
    --radius-xl:  24px;

    --shadow-sm:  0 2px 8px rgba(0,0,0,0.2);
    --shadow-md:  0 8px 32px rgba(0,0,0,0.3);
    --shadow-lg:  0 16px 64px rgba(0,0,0,0.4);
    --shadow-glow: 0 0 60px rgba(37,99,235,0.15);

    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================
   RESET & BASE
============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background: var(--dark);
}

html[lang="ar"] { direction: rtl; text-align: right; }
html[lang="ar"] nav { flex-direction: row-reverse; }
html[lang="ar"] .nav-links { flex-direction: row-reverse; }
html[lang="ar"] .lang-menu { right: auto; left: 0; }

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    line-height: 1.65;
    color: var(--text);
    background: transparent;
    overflow-x: hidden;
}

a { color: var(--blue-light); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--cyan); }

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

::selection {
    background: rgba(37,99,235,0.3);
    color: #fff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================================
   GLOBAL BACKGROUND
============================================================ */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 10% 20%, rgba(37,99,235,0.07) 0%, transparent 60%),
        radial-gradient(ellipse 60% 80% at 90% 80%, rgba(139,92,246,0.05) 0%, transparent 60%);
    z-index: -2;
    pointer-events: none;
}

body::after {
    content: '';
    position: fixed;
    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: 72px 72px;
    z-index: -1;
    pointer-events: none;
}

/* ============================================================
   HEADER
============================================================ */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 0;
    transition: all var(--transition);
}

header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--glass);
    backdrop-filter: blur(24px) saturate(1.2);
    -webkit-backdrop-filter: blur(24px) saturate(1.2);
    border-bottom: 1px solid var(--border);
    opacity: 0;
    transition: opacity var(--transition);
}

header.scrolled::before {
    opacity: 1;
}

header nav {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
    gap: 2rem;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    flex-shrink: 0;
}

.logo-icon {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-mark {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--blue), var(--purple));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 800;
    font-size: 1.1rem;
    color: #fff;
}

.logo-text {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.3rem;
    font-weight: 700;
}

.logo-gradient {
    background: linear-gradient(135deg, var(--blue-light), var(--purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-tech {
    color: #fff;
    margin-left: 1px;
}

/* Nav Links */
.nav-content {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 0.25rem;
}

.nav-link {
    display: block;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
    text-decoration: none;
    transition: all var(--transition);
    letter-spacing: 0.3px;
}

.nav-link:hover {
    color: #fff;
    background: rgba(255,255,255,0.05);
}

.nav-link.active {
    color: #fff;
    background: rgba(37,99,235,0.12);
}

/* Mobile Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 10;
}

.mobile-menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-muted);
    border-radius: 2px;
    transition: all var(--transition);
}

.mobile-menu-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-menu-toggle.open span:nth-child(2) { opacity: 0; }
.mobile-menu-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Language Switcher */
.language-switcher { position: relative; }
.lang-dropdown { position: relative; }

.lang-current {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 12px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--text-muted);
    transition: all var(--transition);
}

.lang-current:hover {
    background: rgba(255,255,255,0.08);
    border-color: var(--border-hover);
    color: #fff;
}

.lang-current .flag { font-size: 15px; }
.lang-arrow { transition: transform var(--transition); }
.lang-menu.show ~ .lang-current .lang-arrow,
.lang-current:focus .lang-arrow { transform: rotate(180deg); }

.lang-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--dark3);
    border: 1px solid var(--border-hover);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px) scale(0.97);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
}

.lang-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 16px;
    color: var(--text-muted);
    font-size: 0.88rem;
    transition: all 0.15s ease;
    border-bottom: 1px solid var(--border);
}

.lang-option:last-child { border-bottom: none; }
.lang-option:hover { background: rgba(255,255,255,0.05); color: #fff; }
.lang-option.active { color: var(--cyan); font-weight: 600; background: rgba(6,182,212,0.06); }

/* ============================================================
   HERO
============================================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

/* Ambient glow */
.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.4;
    pointer-events: none;
}

.hero-glow--blue {
    width: 600px; height: 600px;
    background: rgba(37,99,235,0.15);
    top: -10%; left: -5%;
}

.hero-glow--purple {
    width: 500px; height: 500px;
    background: rgba(139,92,246,0.12);
    bottom: -15%; right: -5%;
}

.hero-glow--cyan {
    width: 300px; height: 300px;
    background: rgba(6,182,212,0.1);
    top: 40%; left: 50%;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

/* Hero Text */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(6,182,212,0.08);
    border: 1px solid rgba(6,182,212,0.2);
    padding: 8px 20px;
    border-radius: 100px;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--cyan);
    margin-bottom: 2rem;
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.3px;
}

.badge-dot {
    width: 7px; height: 7px;
    background: var(--green);
    border-radius: 50%;
    animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(16,185,129,0.5); }
    50% { box-shadow: 0 0 0 8px rgba(16,185,129,0); }
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-bottom: 1.5rem;
}

.hero-title__brand {
    font-family: 'JetBrains Mono', monospace;
    font-size: 4.2rem;
    font-weight: 900;
    letter-spacing: -3px;
    line-height: 1;
}

.name-fusion {
    background: linear-gradient(135deg, var(--blue-light) 0%, var(--cyan) 50%, var(--purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.name-tech {
    color: #fff;
    -webkit-text-fill-color: #fff;
}

.hero-title__tagline {
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: -0.5px;
    line-height: 1.3;
}

.hero-desc {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.85;
    margin-bottom: 2.5rem;
    max-width: 540px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 28px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.92rem;
    text-decoration: none;
    transition: all var(--transition);
    cursor: pointer;
    border: none;
}

.btn--primary {
    background: linear-gradient(135deg, var(--blue), var(--blue-dark));
    color: #fff;
    box-shadow: 0 4px 16px rgba(37,99,235,0.3), inset 0 1px 0 rgba(255,255,255,0.1);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(37,99,235,0.45), inset 0 1px 0 rgba(255,255,255,0.1);
    color: #fff;
}

.btn--ghost {
    background: rgba(255,255,255,0.04);
    color: var(--text);
    border: 1px solid var(--border-hover);
}

.btn--ghost:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.2);
    color: #fff;
    transform: translateY(-2px);
}

/* Hero Terminal */
.hero-terminal {
    background: var(--dark2);
    border: 1px solid var(--border-hover);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    overflow: hidden;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.82rem;
    width: 100%;
    max-width: 520px;
    margin-left: auto;
}

.terminal-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 18px;
    background: var(--dark3);
    border-bottom: 1px solid var(--border);
}

.terminal-dot {
    width: 12px; height: 12px;
    border-radius: 50%;
}

.terminal-dot--red { background: #EF4444; }
.terminal-dot--yellow { background: #F59E0B; }
.terminal-dot--green { background: #10B981; }

.terminal-title {
    margin-left: auto;
    color: var(--text-dim);
    font-size: 0.72rem;
}

.terminal-body {
    padding: 20px;
    min-height: 260px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.terminal-line {
    opacity: 0;
    transform: translateY(4px);
    animation: terminalReveal 0.4s ease forwards;
    line-height: 1.8;
}

.terminal-line[data-delay="0"] { animation-delay: 0.3s; }
.terminal-line[data-delay="1"] { animation-delay: 0.8s; }
.terminal-line[data-delay="2"] { animation-delay: 1.5s; }
.terminal-line[data-delay="3"] { animation-delay: 2s; }
.terminal-line[data-delay="4"] { animation-delay: 2.8s; }
.terminal-line[data-delay="5"] { animation-delay: 3.5s; }
.terminal-line[data-delay="6"] { animation-delay: 4.2s; }
.terminal-line[data-delay="7"] { animation-delay: 5s; }

@keyframes terminalReveal {
    to { opacity: 1; transform: translateY(0); }
}

.t-prompt { color: var(--cyan); margin-right: 8px; }
.t-cmd { color: var(--text); }
.t-output { color: var(--text-dim); }
.t-success { color: var(--green); }
.t-info { color: var(--orange); }

.t-cursor {
    display: inline-block;
    width: 8px; height: 16px;
    background: var(--cyan);
    animation: blink 1s step-end infinite;
    vertical-align: text-bottom;
}

@keyframes blink {
    50% { opacity: 0; }
}

/* ============================================================
   STATS BAND
============================================================ */
.stats-band {
    position: relative;
    z-index: 3;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: var(--dark2);
}

.stats-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2.5rem 0;
}

.stat-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    text-align: center;
}

.stat-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #fff, var(--cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.78rem;
    color: var(--text-dim);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: linear-gradient(180deg, transparent, var(--border-hover), transparent);
}

/* ============================================================
   SECTION COMMON
============================================================ */
.section {
    padding: 120px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4.5rem;
}

.section-tag {
    display: inline-block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--cyan);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 1rem;
    position: relative;
    padding: 0 1.5rem;
}

.section-tag::before,
.section-tag::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 20px;
    height: 1px;
    background: var(--cyan);
    opacity: 0.4;
}

.section-tag::before { left: 0; transform: translateX(-100%); }
.section-tag::after { right: 0; transform: translateX(100%); }

.section-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 2.4rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: -1px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-muted);
    margin-top: 1.2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

/* ============================================================
   ABOUT
============================================================ */
.about {
    background: var(--dark2);
}

.about-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: start;
}

.about-text p {
    color: var(--text-muted);
    line-height: 1.9;
    margin-bottom: 1.25rem;
}

.about-lead {
    font-size: 1.1rem;
    color: var(--text) !important;
    border-left: 3px solid var(--cyan);
    padding-left: 1.25rem;
}

.about-cards {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-card {
    display: flex;
    gap: 1.25rem;
    padding: 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all var(--transition);
}

.info-card:hover {
    border-color: var(--border-hover);
    transform: translateX(4px);
    box-shadow: var(--shadow-sm);
}

.info-card__icon {
    flex-shrink: 0;
    width: 48px; height: 48px;
    background: rgba(37,99,235,0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cyan);
}

.info-card__body h3 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.95rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.4rem;
}

.info-card__body p {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.65;
}

/* ============================================================
   APPROACH
============================================================ */
.approach {
    background: var(--dark);
}

.approach-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.approach-card {
    position: relative;
    padding: 2.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
    overflow: hidden;
}

.approach-card::after {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 3px;
    background: linear-gradient(90deg, var(--cyan), var(--blue-light));
    opacity: 0;
    transition: opacity var(--transition);
}

.approach-card:hover::after { opacity: 1; }

.approach-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.approach-card__number {
    position: absolute;
    top: 20px; right: 24px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 3rem;
    font-weight: 900;
    color: rgba(255,255,255,0.03);
    line-height: 1;
    pointer-events: none;
}

.approach-card__icon {
    width: 48px; height: 48px;
    background: linear-gradient(135deg, rgba(6,182,212,0.1), rgba(37,99,235,0.1));
    border: 1px solid rgba(6,182,212,0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cyan);
    margin-bottom: 1rem;
}

.approach-card h3 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.75rem;
}

.approach-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.75;
}

/* ============================================================
   PRODUCTS
============================================================ */
.products {
    background: var(--dark2);
}

.products-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 2rem;
}

.product-card {
    position: relative;
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    background: var(--card-bg);
    transition: all var(--transition-slow);
    overflow: hidden;
}

.product-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

/* Featured card */
.product-card--featured {
    border-color: rgba(37,99,235,0.2);
}

.product-card--featured:hover {
    border-color: rgba(37,99,235,0.4);
    box-shadow: 0 20px 60px rgba(37,99,235,0.1);
}

.product-card__glow {
    position: absolute;
    top: -50%; right: -30%;
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(37,99,235,0.08), transparent 70%);
    pointer-events: none;
}

.product-card__badge {
    display: inline-block;
    padding: 5px 14px;
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    background: linear-gradient(135deg, var(--blue), var(--purple));
    color: #fff;
    margin-bottom: 1.5rem;
}

.product-card__badge--muted {
    background: var(--dark4);
    color: var(--text-dim);
}

.product-card__head {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 1.25rem;
}

.product-card__icon {
    width: 56px; height: 56px;
    background: linear-gradient(135deg, var(--blue), var(--purple));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 800;
    font-size: 1.1rem;
    color: #fff;
    flex-shrink: 0;
}

.product-card__icon--muted {
    background: var(--dark4);
    color: var(--text-dim);
}

.product-card__head h3 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.6rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.5px;
}

.product-card__tagline {
    font-size: 0.82rem;
    color: var(--text-dim);
    margin-top: 2px;
}

.product-card__desc {
    color: var(--text-muted);
    line-height: 1.75;
    margin-bottom: 1.5rem;
    font-size: 0.92rem;
}

.product-card__features {
    list-style: none;
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.product-card__features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0.65rem 0;
    border-bottom: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.88rem;
}

.product-card__features li:last-child { border-bottom: none; }

.product-card__features svg { flex-shrink: 0; }

.product-card__link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--cyan);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all var(--transition);
}

.product-card__link:hover {
    color: #fff;
    gap: 12px;
}

/* Coming soon card */
.product-card--soon {
    display: flex;
    flex-direction: column;
    justify-content: center;
    opacity: 0.7;
    background: repeating-linear-gradient(
        -45deg,
        var(--card-bg),
        var(--card-bg) 12px,
        rgba(255,255,255,0.01) 12px,
        rgba(255,255,255,0.01) 24px
    );
}

.product-card--soon:hover { opacity: 0.85; }

/* ============================================================
   SOLUTIONS — MES / HMI / SCADA / Workflow
============================================================ */
.solutions {
    background: var(--dark);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.solution-card {
    padding: 2rem;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.solution-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--cyan), var(--blue-light));
    opacity: 0;
    transition: opacity var(--transition);
}

.solution-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.solution-card:hover::after {
    opacity: 1;
}

.solution-card__icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(6,182,212,0.1), rgba(37,99,235,0.1));
    border: 1px solid rgba(6,182,212,0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cyan);
    margin-bottom: 1.25rem;
    transition: all var(--transition);
}

.solution-card:hover .solution-card__icon {
    background: linear-gradient(135deg, rgba(6,182,212,0.18), rgba(37,99,235,0.18));
    transform: scale(1.08);
}

.solution-card h3 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.95rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.7rem;
}

.solution-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.75;
}

.solutions-note {
    margin-top: 2.5rem;
    padding: 1.5rem 2rem;
    background: rgba(6,182,212,0.04);
    border: 1px solid rgba(6,182,212,0.1);
    border-radius: var(--radius);
    text-align: center;
}

.solutions-note p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.75;
    font-style: italic;
}

/* ============================================================
   TECHNOLOGIES
============================================================ */
.technologies {
    background: var(--dark);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.tech-card {
    padding: 2rem;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.tech-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--accent, var(--blue-light));
    opacity: 0;
    transition: opacity var(--transition);
}

.tech-card:hover::before { opacity: 1; }

.tech-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.tech-card__icon {
    width: 48px; height: 48px;
    background: linear-gradient(135deg, rgba(6,182,212,0.1), rgba(37,99,235,0.1));
    border: 1px solid rgba(6,182,212,0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cyan);
    margin-bottom: 1.25rem;
    transition: all var(--transition);
}

.tech-card:hover .tech-card__icon {
    background: linear-gradient(135deg, rgba(6,182,212,0.18), rgba(37,99,235,0.18));
    border-color: rgba(6,182,212,0.3);
    transform: scale(1.08);
}

.tech-card h3 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.95rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.7rem;
}

.tech-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ============================================================
   VISION — OT/IT Convergence & Citizen Developer
============================================================ */
.vision {
    background: var(--dark2);
    overflow: hidden;
}

.vision-blocks {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.vision-block {
    display: flex;
    gap: 2rem;
    padding: 2.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.vision-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--cyan), var(--purple));
    opacity: 0;
    transition: opacity var(--transition);
}

.vision-block:hover {
    border-color: var(--border-hover);
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.vision-block:hover::before {
    opacity: 1;
}

.vision-block__icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(6,182,212,0.1), rgba(37,99,235,0.1));
    border: 1px solid rgba(6,182,212,0.15);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cyan);
}

.vision-block__body h3 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.75rem;
}

.vision-block__body p {
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.85;
}

/* Highlight callout */
.vision-highlight {
    margin-top: 2.5rem;
    display: flex;
    gap: 0;
    background: linear-gradient(135deg, rgba(6,182,212,0.06), rgba(139,92,246,0.06));
    border: 1px solid rgba(6,182,212,0.15);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.vision-highlight__accent {
    width: 6px;
    flex-shrink: 0;
    background: linear-gradient(180deg, var(--cyan), var(--purple));
}

.vision-highlight__content {
    padding: 2rem 2.5rem;
}

.vision-highlight__content h4 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1rem;
    font-weight: 700;
    color: var(--cyan);
    margin-bottom: 0.6rem;
}

.vision-highlight__content p {
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.8;
}

/* ============================================================
   CONTACT
============================================================ */
.contact {
    background: var(--dark2);
}

.contact-wrapper {
    max-width: 1100px;
    margin: 0 auto;
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2.5rem;
    align-items: start;
}

/* Sidebar info cards */
.contact-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.contact-card {
    padding: 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all var(--transition);
}

.contact-card:hover {
    border-color: rgba(6,182,212,0.25);
    box-shadow: var(--shadow-sm);
}

.contact-card__icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, rgba(6,182,212,0.1), rgba(37,99,235,0.1));
    border: 1px solid rgba(6,182,212,0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cyan);
    margin-bottom: 0.75rem;
}

.contact-card h3 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--cyan);
    letter-spacing: 1.5px;
    margin-bottom: 0.5rem;
}

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

/* Contact Form */
.contact-form-wrapper {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
}

.form-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.3rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.4rem;
}

.form-subtitle {
    font-size: 0.88rem;
    color: var(--text-dim);
    margin-bottom: 2rem;
}

/* Honeypot — completely hidden */
.form-hp {
    position: absolute;
    left: -9999px;
    opacity: 0;
    height: 0;
    overflow: hidden;
    pointer-events: none;
}

.form-row {
    margin-bottom: 1rem;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 1rem;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.3px;
}

.form-group .req {
    color: var(--cyan);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--dark2);
    border: 1px solid var(--border-hover);
    border-radius: 10px;
    color: var(--text);
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    transition: all var(--transition);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-dim);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--blue-light);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
    background: rgba(12,18,32,0.9);
}

.form-group input.error,
.form-group textarea.error {
    border-color: var(--red);
    box-shadow: 0 0 0 3px rgba(239,68,68,0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-footer {
    margin-top: 0.5rem;
}

.btn--submit {
    width: 100%;
    justify-content: center;
    padding: 14px 28px;
}

.btn--submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn-icon {
    transition: transform var(--transition);
}

.btn--submit:hover .btn-icon {
    transform: translateX(4px);
}

/* Alerts */
.form-alert {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 1rem 1.25rem;
    border-radius: 10px;
    margin-top: 1.25rem;
    font-size: 0.88rem;
    line-height: 1.5;
}

.form-alert svg { flex-shrink: 0; margin-top: 1px; }

.form-alert--success {
    background: rgba(16,185,129,0.08);
    border: 1px solid rgba(16,185,129,0.2);
    color: var(--green);
}

.form-alert--error {
    background: rgba(239,68,68,0.08);
    border: 1px solid rgba(239,68,68,0.2);
    color: #FCA5A5;
}

/* ============================================================
   FOOTER
============================================================ */
footer {
    background: var(--dark);
    border-top: 1px solid var(--border);
    padding: 4rem 0 2rem;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    gap: 4rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 2rem;
}

.footer-brand { max-width: 400px; }

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.3rem;
    font-weight: 700;
}

.footer-brand p {
    color: var(--text-dim);
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-columns {
    display: flex;
    gap: 4rem;
}

.footer-col h4 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 1.25rem;
}

.footer-col ul { list-style: none; }

.footer-col li { margin-bottom: 0.7rem; }

.footer-col a {
    color: var(--text-dim);
    font-size: 0.88rem;
    transition: color var(--transition);
}

.footer-col a:hover { color: #fff; }

.footer-bottom {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-dim);
}

/* ============================================================
   ANIMATIONS
============================================================ */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Scroll-triggered elements start hidden */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Staggered children */
.reveal-stagger > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0s; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 0.08s; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 0.16s; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 0.24s; }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 0.32s; }
.reveal-stagger.visible > *:nth-child(6) { transition-delay: 0.4s; }

.reveal-stagger.visible > * {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width: 1024px) {
    .hero-inner,
    .about-layout,
    .approach-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-title__brand { font-size: 3.2rem; }
    .hero-terminal { max-width: 100%; }
}

@media (max-width: 768px) {
    .section { padding: 80px 0; }

    .nav-content {
        width: 100%;
        justify-content: flex-end;
    }

    .mobile-menu-toggle {
        display: flex !important;
    }

    .nav-links {
        position: fixed;
        top: 72px;
        left: 0; right: 0;
        background: var(--dark2);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        padding: 1rem;
        gap: 0.25rem;
        display: none;
        z-index: 999;
    }

    .nav-links.show { display: flex; }

    .nav-link {
        padding: 12px 16px;
        text-align: center;
    }

    .hero {
        min-height: auto;
        padding: 120px 0 60px;
    }

    .hero-title__brand { font-size: 2.8rem; letter-spacing: -2px; }
    .hero-title__tagline { font-size: 1.3rem; }
    .section-title { font-size: 1.8rem; }

    .stats-grid { flex-wrap: wrap; }
    .stat-divider { display: none; }
    .stat-item { flex: 0 0 50%; padding: 0.75rem 0; }

    .tech-grid { grid-template-columns: 1fr; }
    .solutions-grid { grid-template-columns: 1fr; }
    .vision-block { flex-direction: column; gap: 1.25rem; padding: 1.75rem; }
    .vision-highlight__content { padding: 1.5rem; }
    .contact-layout { grid-template-columns: 1fr; }
    .contact-sidebar { flex-direction: row; }
    .contact-card { flex: 1; }
    .form-row--2col { grid-template-columns: 1fr; }

    .footer-top {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-columns { gap: 2rem; }
}

@media (max-width: 480px) {
    .hero-actions { flex-direction: column; }
    .btn { width: 100%; justify-content: center; }
    .hero-title__brand { font-size: 2.2rem; }
    .approach-card { padding: 1.75rem; }
    .contact-sidebar { flex-direction: column; }
    .contact-form-wrapper { padding: 1.5rem; }
}

/* ============================================================
   NEUTRON STAR — canvas background
============================================================ */
#neutronCanvas {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: -1;
    pointer-events: none;
}