/* ==========================================================================
   NIFELUX TECHNOLOGIES - GLOBAL STYLES
   ========================================================================== */

/* ---------- CSS CUSTOM PROPERTIES ---------- */
:root {
    /* Brand Colors */
    --color-bg-primary: #0a0e1a;
    --color-bg-secondary: #0f1729;
    --color-bg-tertiary: #141e33;
    --color-bg-elevated: #1a2340;
    
    --color-accent: #00a8ff;
    --color-accent-hover: #0090e0;
    --color-accent-light: #33c0ff;
    --color-accent-glow: rgba(0, 168, 255, 0.35);
    --color-accent-subtle: rgba(0, 168, 255, 0.08);
    
    --color-text-primary: #ffffff;
    --color-text-secondary: #e2e8f0;
    --color-text-muted: #94a3b8;
    --color-text-subtle: #64748b;
    
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-accent: rgba(0, 168, 255, 0.25);
    --color-border-hover: rgba(0, 168, 255, 0.45);
    
    /* Status Colors */
    --color-success: #10b981;
    --color-success-glow: rgba(16, 185, 129, 0.25);
    --color-warning: #f59e0b;
    --color-warning-glow: rgba(245, 158, 11, 0.25);
    --color-error: #ef4444;
    --color-error-glow: rgba(239, 68, 68, 0.25);
    --color-info: #3b82f6;
    --color-info-glow: rgba(59, 130, 246, 0.25);
    
    /* Typography */
    --font-heading: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    
    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-base: 1rem;
    --fs-md: 1.125rem;
    --fs-lg: 1.25rem;
    --fs-xl: 1.5rem;
    --fs-2xl: 2rem;
    --fs-3xl: 2.5rem;
    --fs-4xl: 3.25rem;
    --fs-5xl: 4rem;
    
    --fw-light: 300;
    --fw-normal: 400;
    --fw-medium: 500;
    --fw-semibold: 600;
    --fw-bold: 700;
    
    --lh-tight: 1.1;
    --lh-snug: 1.3;
    --lh-normal: 1.6;
    --lh-relaxed: 1.75;
    
    --tracking-tight: -0.02em;
    --tracking-normal: 0;
    --tracking-wide: 0.02em;
    --tracking-wider: 0.08em;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Layout */
    --container-max: 1280px;
    --container-narrow: 900px;
    --container-padding: 1.5rem;
    
    /* Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.35);
    --shadow-glow: 0 0 30px var(--color-accent-glow);
    --shadow-glow-strong: 0 0 60px var(--color-accent-glow);
    
    /* Transitions */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    
    /* Z-index layers */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-navbar: 500;
    --z-modal: 1000;
    --z-toast: 2000;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-size: var(--fs-base);
    font-weight: var(--fw-normal);
    line-height: var(--lh-normal);
    color: var(--color-text-secondary);
    background-color: var(--color-bg-primary);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img, svg {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover {
    color: var(--color-accent-light);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: var(--fw-semibold);
    line-height: var(--lh-tight);
    color: var(--color-text-primary);
    letter-spacing: var(--tracking-tight);
}
/* ---------- ANIMATED LOGO (HERO) ---------- */
.hero-logo-wrap {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-logo-wrap::before {
    content: '';
    position: absolute;
    inset: 6%;
    background: radial-gradient(circle, rgba(0, 168, 255, 0.28), transparent 65%);
    filter: blur(32px);
    animation: logoPulse 4s ease-in-out infinite;
}

.hero-logo-anim {
    position: relative;
    width: min(460px, 86%);
    height: auto;
    border-radius: 24px;
    filter: drop-shadow(0 10px 60px rgba(0, 168, 255, 0.35));
    animation: logoFloat 6s ease-in-out infinite;
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-14px); }
}

@keyframes logoPulse {
    0%, 100% { opacity: 0.55; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.06); }
}

@media (prefers-reduced-motion: reduce) {
    .hero-logo-anim,
    .hero-logo-wrap::before { animation: none; }
}
/* ---------- ACCESSIBILITY ---------- */
.skip-link {
    position: absolute;
    top: -40px;
    left: 8px;
    background: var(--color-accent);
    color: #fff;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    z-index: 10000;
    font-weight: var(--fw-medium);
    transition: top var(--transition-base);
}

.skip-link:focus {
    top: 8px;
    color: #fff;
}

*:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

/* ---------- LAYOUT UTILITIES ---------- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    width: 100%;
}

.container-narrow {
    max-width: var(--container-narrow);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ---------- BACKGROUND GRID ---------- */
.grid-bg {
    background-image:
        radial-gradient(circle at 50% 0%, rgba(0, 168, 255, 0.08) 0%, transparent 50%),
        linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
    background-size: 100% 100%, 60px 60px, 60px 60px;
    background-attachment: fixed;
}

/* ---------- TYPOGRAPHY UTILITIES ---------- */
.text-gradient {
    background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 50%, #0066cc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

.section {
    padding: var(--space-4xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto var(--space-3xl);
}

.section-tag {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    margin-bottom: var(--space-md);
    padding: 6px 16px;
    background: var(--color-accent-subtle);
    border: 1px solid var(--color-border-accent);
    border-radius: var(--radius-full);
}

.section-title {
    font-size: var(--fs-4xl);
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: var(--fs-lg);
    color: var(--color-text-muted);
    line-height: var(--lh-relaxed);
}

.section-cta {
    text-align: center;
    margin-top: var(--space-3xl);
}

/* ---------- NAVBAR ---------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-navbar);
    padding: var(--space-lg) 0;
    transition: all var(--transition-base);
    background: rgba(10, 14, 26, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    padding: var(--space-md) 0;
    background: rgba(10, 14, 26, 0.9);
    border-bottom-color: var(--color-border);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-xl);
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text-primary);
    font-family: var(--font-heading);
    font-size: var(--fs-lg);
    font-weight: var(--fw-bold);
    letter-spacing: var(--tracking-tight);
    flex-shrink: 0;
}

.navbar-logo:hover {
    color: var(--color-text-primary);
}

.logo-icon {
    width: 36px;
    height: 36px;
    filter: drop-shadow(0 0 8px var(--color-accent-glow));
}

.logo-text {
    font-size: var(--fs-xl);
}

.logo-accent {
    color: var(--color-accent);
    font-size: 1.2em;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.nav-link {
    color: var(--color-text-secondary);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    padding: 8px 16px;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--color-text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
    color: var(--color-accent);
}

/* Dropdown */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-trigger {
    cursor: pointer;
}

.nav-dropdown-trigger svg {
    transition: transform var(--transition-base);
}

.nav-dropdown:hover .nav-dropdown-trigger svg,
.nav-dropdown.open .nav-dropdown-trigger svg {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 8px;
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(20px);
}

.nav-dropdown:hover .dropdown-menu,
.nav-dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.dropdown-menu a {
    display: block;
    color: var(--color-text-secondary);
    font-size: var(--fs-sm);
    padding: 10px 14px;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.dropdown-menu a:hover {
    color: var(--color-text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-shrink: 0;
}

.navbar-cta {
    display: inline-flex;
}

/* Mobile toggle */
.navbar-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    padding: 0;
    z-index: var(--z-navbar);
}

.hamburger-line {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
    transform-origin: center;
}

.navbar-toggle.active .hamburger-line:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.navbar-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.navbar-toggle.active .hamburger-line:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* ---------- HERO ---------- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 120px;
    padding-bottom: var(--space-4xl);
    overflow: hidden;
}

.hero-bg-effects {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(0, 168, 255, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(0, 100, 255, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 0%, rgba(0, 168, 255, 0.08) 0%, transparent 60%);
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    animation: float 20s ease-in-out infinite;
}

.hero-orb-1 {
    width: 400px;
    height: 400px;
    background: rgba(0, 168, 255, 0.1);
    top: 10%;
    left: -100px;
    animation-delay: 0s;
}

.hero-orb-2 {
    width: 300px;
    height: 300px;
    background: rgba(0, 100, 255, 0.08);
    bottom: 10%;
    right: -50px;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(20px, 30px) scale(1.02); }
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 8px 16px;
    background: var(--color-accent-subtle);
    border: 1px solid var(--color-border-accent);
    border-radius: var(--radius-full);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    color: var(--color-accent-light);
    margin-bottom: var(--space-xl);
    backdrop-filter: blur(10px);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--color-accent);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-heading {
    font-size: clamp(2.5rem, 5.5vw, var(--fs-5xl));
    font-weight: var(--fw-bold);
    letter-spacing: var(--tracking-tight);
    line-height: var(--lh-tight);
    margin-bottom: var(--space-xl);
}

.hero-subtitle {
    font-size: clamp(var(--fs-md), 1.5vw, var(--fs-xl));
    color: var(--color-text-muted);
    line-height: var(--lh-relaxed);
    margin-bottom: var(--space-2xl);
    max-width: 580px;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    margin-bottom: var(--space-3xl);
}

.hero-stats {
    display: flex;
    gap: var(--space-3xl);
    flex-wrap: wrap;
    padding-top: var(--space-2xl);
    border-top: 1px solid var(--color-border);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: var(--fs-2xl);
    font-weight: var(--fw-bold);
    color: var(--color-text-primary);
    line-height: 1;
}

.stat-label {
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
    letter-spacing: var(--tracking-wide);
}

/* Hero Visual - Orbital System */
.hero-visual {
    position: relative;
    width: 100%;
    max-width: 520px;
    aspect-ratio: 1;
    justify-self: center;
    perspective: 1200px;
}

.hero-visual-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
}

.orbital-system {
    position: absolute;
    inset: 0;
    transform-style: preserve-3d;
    animation: systemRotate 60s linear infinite;
}

@keyframes systemRotate {
    from { transform: rotateY(0deg); }
    to { transform: rotateY(360deg); }
}

.core-sphere {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100px;
    height: 100px;
    transform: translate(-50%, -50%);
    background:
        radial-gradient(circle at 30% 30%, var(--color-accent-light), var(--color-accent) 40%, transparent 70%),
        radial-gradient(circle, rgba(0, 168, 255, 0.4), transparent);
    border-radius: 50%;
    box-shadow:
        0 0 80px var(--color-accent-glow),
        0 0 120px rgba(0, 168, 255, 0.2),
        inset 0 0 40px rgba(0, 168, 255, 0.5);
    animation: corePulse 4s ease-in-out infinite;
}

@keyframes corePulse {
    0%, 100% {
        box-shadow:
            0 0 80px var(--color-accent-glow),
            0 0 120px rgba(0, 168, 255, 0.2),
            inset 0 0 40px rgba(0, 168, 255, 0.5);
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        box-shadow:
            0 0 120px var(--color-accent-glow),
            0 0 200px rgba(0, 168, 255, 0.3),
            inset 0 0 60px rgba(0, 168, 255, 0.7);
        transform: translate(-50%, -50%) scale(1.08);
    }
}

.orbit {
    position: absolute;
    top: 50%;
    left: 50%;
    border: 1px solid rgba(0, 168, 255, 0.2);
    border-radius: 50%;
    transform-style: preserve-3d;
}

.orbit::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: linear-gradient(90deg, transparent 0%, rgba(0, 168, 255, 0.15) 50%, transparent 100%);
    mask: linear-gradient(90deg, transparent 45%, #000 50%, transparent 55%);
    -webkit-mask: linear-gradient(90deg, transparent 45%, #000 50%, transparent 55%);
    animation: orbitGlow 4s linear infinite;
}

@keyframes orbitGlow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.orbit-1 {
    width: 65%;
    height: 65%;
    margin-top: -32.5%;
    margin-left: -32.5%;
    transform: rotateX(75deg) rotateZ(20deg);
    animation: orbitRotate1 15s linear infinite;
}

.orbit-2 {
    width: 85%;
    height: 85%;
    margin-top: -42.5%;
    margin-left: -42.5%;
    transform: rotateX(70deg) rotateZ(-40deg);
    animation: orbitRotate2 22s linear infinite reverse;
}

.orbit-3 {
    width: 95%;
    height: 95%;
    margin-top: -47.5%;
    margin-left: -47.5%;
    transform: rotateX(78deg) rotateZ(60deg);
    animation: orbitRotate3 28s linear infinite;
}

.orbit-4 {
    width: 100%;
    height: 100%;
    margin-top: -50%;
    margin-left: -50%;
    transform: rotateX(65deg) rotateZ(-15deg);
    animation: orbitRotate4 35s linear infinite reverse;
    border-color: rgba(0, 168, 255, 0.1);
}

@keyframes orbitRotate1 {
    from { transform: rotateX(75deg) rotateZ(20deg); }
    to { transform: rotateX(75deg) rotateZ(380deg); }
}

@keyframes orbitRotate2 {
    from { transform: rotateX(70deg) rotateZ(-40deg); }
    to { transform: rotateX(70deg) rotateZ(-400deg); }
}

@keyframes orbitRotate3 {
    from { transform: rotateX(78deg) rotateZ(60deg); }
    to { transform: rotateX(78deg) rotateZ(420deg); }
}

@keyframes orbitRotate4 {
    from { transform: rotateX(65deg) rotateZ(-15deg); }
    to { transform: rotateX(65deg) rotateZ(-375deg); }
}

.satellite {
    position: absolute;
    top: -6px;
    left: 50%;
    width: 12px;
    height: 12px;
    margin-left: -6px;
    background: var(--color-accent);
    border-radius: 50%;
    box-shadow: 0 0 16px var(--color-accent), 0 0 32px var(--color-accent-glow);
}

.satellite-2 { top: auto; bottom: -6px; left: 30%; }
.satellite-3 { top: 50%; left: -6px; margin-top: -6px; }
.satellite-4 { top: 20%; right: -6px; left: auto; }
.satellite-5 { top: 10%; left: 15%; }
.satellite-6 { bottom: 15%; right: 20%; left: auto; top: auto; }

/* Floating hexagons */
.hexagon {
    position: absolute;
    width: 40px;
    height: 46px;
    background: linear-gradient(135deg, var(--color-accent-glow), transparent);
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    border: 1px solid var(--color-border-accent);
    opacity: 0.3;
    animation: hexFloat 20s ease-in-out infinite;
}

.hexagon-1 { top: 15%; right: 15%; animation-delay: 0s; }
.hexagon-2 { bottom: 20%; left: 10%; animation-delay: -7s; width: 30px; height: 34px; }
.hexagon-3 { top: 60%; right: 5%; animation-delay: -14s; width: 24px; height: 28px; }

@keyframes hexFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.3; }
    50% { transform: translateY(-20px) rotate(180deg); opacity: 0.5; }
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--color-text-subtle);
    font-size: var(--fs-xs);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    animation: fadeInUp 1s ease 1.5s backwards;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { transform: scaleY(1); opacity: 1; }
    50% { transform: scaleY(0.5); opacity: 0.5; }
}

/* ---------- TECHNOLOGIES SECTION ---------- */
.section-technologies {
    background:
        linear-gradient(to bottom, var(--color-bg-primary), var(--color-bg-secondary));
}

.technologies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-xl);
}

.tech-card {
    position: relative;
    background: rgba(20, 30, 51, 0.4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    transition: all var(--transition-base);
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.tech-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-accent-subtle), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
}

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

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

.tech-card-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-subtle);
    border: 1px solid var(--color-border-accent);
    border-radius: var(--radius-md);
    color: var(--color-accent);
    margin-bottom: var(--space-lg);
    transition: all var(--transition-base);
}

.tech-card-icon svg {
    width: 32px;
    height: 32px;
}

.tech-card:hover .tech-card-icon {
    background: var(--color-accent);
    color: #fff;
    box-shadow: var(--shadow-glow);
}

.tech-card-title {
    font-size: var(--fs-xl);
    margin-bottom: var(--space-sm);
}

.tech-card-desc {
    color: var(--color-text-muted);
    line-height: var(--lh-relaxed);
    margin-bottom: var(--space-lg);
    font-size: var(--fs-sm);
}

.tech-card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    color: var(--color-accent);
    transition: all var(--transition-base);
}

.tech-card-link:hover {
    color: var(--color-accent-light);
    gap: 10px;
}

/* ---------- NIRA AI SECTION ---------- */
.section-nira {
    background: var(--color-bg-secondary);
}

.nira-showcase {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    padding: var(--space-3xl);
    background:
        linear-gradient(135deg, rgba(0, 168, 255, 0.08) 0%, rgba(15, 23, 41, 0.4) 100%);
    border: 1px solid var(--color-border-accent);
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
}

.nira-showcase::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, var(--color-accent), transparent 50%, var(--color-accent));
    border-radius: var(--radius-xl);
    z-index: -1;
    opacity: 0.3;
}

.nira-title {
    font-size: clamp(var(--fs-3xl), 4vw, var(--fs-4xl));
    margin-bottom: var(--space-sm);
}

.nira-full-name {
    font-family: var(--font-heading);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    color: var(--color-accent);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    margin-bottom: var(--space-xl);
    opacity: 0.8;
}

.nira-desc {
    color: var(--color-text-secondary);
    line-height: var(--lh-relaxed);
    margin-bottom: var(--space-2xl);
    font-size: var(--fs-md);
}

.nira-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.nira-feature {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    color: var(--color-text-secondary);
}

.nira-feature svg {
    color: var(--color-accent);
    flex-shrink: 0;
}

/* NIRA Visual */
.nira-visual {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    max-width: 400px;
    justify-self: center;
}

.nira-orb {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 120px;
    height: 120px;
    transform: translate(-50%, -50%);
    background:
        radial-gradient(circle at 30% 30%, #fff, var(--color-accent) 50%, transparent 80%);
    border-radius: 50%;
    box-shadow:
        0 0 60px var(--color-accent-glow),
        0 0 120px rgba(0, 168, 255, 0.3),
        inset 0 0 40px rgba(255, 255, 255, 0.3);
    animation: corePulse 3s ease-in-out infinite;
}

.nira-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    border: 1px solid rgba(0, 168, 255, 0.3);
    border-radius: 50%;
    animation: ringPulse 4s ease-in-out infinite;
}

.nira-ring-1 {
    width: 60%;
    height: 60%;
    margin-top: -30%;
    margin-left: -30%;
    animation-delay: 0s;
}

.nira-ring-2 {
    width: 80%;
    height: 80%;
    margin-top: -40%;
    margin-left: -40%;
    animation-delay: 0.5s;
}

.nira-ring-3 {
    width: 100%;
    height: 100%;
    margin-top: -50%;
    margin-left: -50%;
    animation-delay: 1s;
}

@keyframes ringPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.5;
        border-color: rgba(0, 168, 255, 0.3);
    }
    50% {
        transform: scale(1.05);
        opacity: 0.2;
        border-color: rgba(0, 168, 255, 0.1);
    }
}

.nira-data-stream {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: var(--fs-xs);
    color: var(--color-accent);
    opacity: 0.4;
    letter-spacing: var(--tracking-wider);
    gap: 12px;
    pointer-events: none;
}

.nira-data-stream span {
    animation: dataFade 3s ease-in-out infinite;
}

.nira-data-stream span:nth-child(1) { animation-delay: 0s; }
.nira-data-stream span:nth-child(2) { animation-delay: 0.5s; }
.nira-data-stream span:nth-child(3) { animation-delay: 1s; }
.nira-data-stream span:nth-child(4) { animation-delay: 1.5s; }

@keyframes dataFade {
    0%, 100% { opacity: 0.2; transform: translateY(0); }
    50% { opacity: 0.6; transform: translateY(-5px); }
}

/* ---------- PROJECTS SECTION ---------- */
.section-projects {
    background: var(--color-bg-primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.project-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

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

.project-card-image {
    position: relative;
    aspect-ratio: 16/10;
    background: var(--color-bg-tertiary);
    overflow: hidden;
}

.project-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-subtle);
    background:
        linear-gradient(135deg, var(--color-bg-tertiary), var(--color-bg-secondary));
}

.project-status {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 12px;
    font-size: var(--fs-xs);
    font-weight: var(--fw-medium);
    border-radius: var(--radius-full);
    backdrop-filter: blur(10px);
}

.status-active {
    background: rgba(16, 185, 129, 0.2);
    color: var(--color-success);
    border: 1px solid rgba(16, 185, 129, 0.4);
}

.status-development {
    background: rgba(245, 158, 11, 0.2);
    color: var(--color-warning);
    border: 1px solid rgba(245, 158, 11, 0.4);
}

.status-coming-soon {
    background: rgba(59, 130, 246, 0.2);
    color: var(--color-info);
    border: 1px solid rgba(59, 130, 246, 0.4);
}

.status-research {
    background: rgba(139, 92, 246, 0.2);
    color: #a78bfa;
    border: 1px solid rgba(139, 92, 246, 0.4);
}

.status-archived {
    background: rgba(148, 163, 184, 0.2);
    color: var(--color-text-muted);
    border: 1px solid rgba(148, 163, 184, 0.4);
}

.project-card-body {
    padding: var(--space-xl);
}

.project-category {
    display: block;
    font-size: var(--fs-xs);
    font-weight: var(--fw-medium);
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    margin-bottom: var(--space-sm);
}

.project-title {
    font-size: var(--fs-lg);
    margin-bottom: var(--space-sm);
}

.project-desc {
    color: var(--color-text-muted);
    font-size: var(--fs-sm);
    line-height: var(--lh-relaxed);
}

/* ---------- CTA SECTION ---------- */
.section-cta {
    background: var(--color-bg-secondary);
}

.cta-box {
    position: relative;
    padding: var(--space-4xl) var(--space-3xl);
    background:
        linear-gradient(135deg, rgba(0, 168, 255, 0.15) 0%, rgba(0, 100, 255, 0.05) 100%);
    border: 1px solid var(--color-border-accent);
    border-radius: var(--radius-xl);
    text-align: center;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 30% 50%, rgba(0, 168, 255, 0.1), transparent 50%),
        radial-gradient(circle at 70% 50%, rgba(0, 100, 255, 0.08), transparent 50%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 640px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(var(--fs-3xl), 4vw, var(--fs-4xl));
    margin-bottom: var(--space-md);
}

.cta-desc {
    color: var(--color-text-muted);
    font-size: var(--fs-lg);
    margin-bottom: var(--space-2xl);
    line-height: var(--lh-relaxed);
}

/* ---------- FOOTER ---------- */
.footer {
    background: var(--color-bg-primary);
    border-top: 1px solid var(--color-border);
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-brand {
    max-width: 320px;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text-primary);
    font-family: var(--font-heading);
    font-size: var(--fs-xl);
    font-weight: var(--fw-bold);
    margin-bottom: var(--space-md);
}

.footer-logo:hover {
    color: var(--color-text-primary);
}

.footer-tagline {
    color: var(--color-text-secondary);
    font-size: var(--fs-md);
    margin-bottom: var(--space-sm);
}

.footer-industries {
    color: var(--color-text-muted);
    font-size: var(--fs-sm);
    margin-bottom: var(--space-lg);
    letter-spacing: var(--tracking-wide);
}

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-muted);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff;
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.footer-heading {
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    color: var(--color-text-primary);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    margin-bottom: var(--space-lg);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a {
    color: var(--color-text-muted);
    font-size: var(--fs-sm);
    transition: color var(--transition-base);
    padding: 4px 0;
}

.footer-links a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-copyright {
    color: var(--color-text-subtle);
    font-size: var(--fs-sm);
}

.footer-legal {
    display: flex;
    gap: var(--space-xl);
}

.footer-legal a {
    color: var(--color-text-muted);
    font-size: var(--fs-sm);
    transition: color var(--transition-base);
}

.footer-legal a:hover {
    color: var(--color-accent);
}

/* ---------- ENTRANCE ANIMATIONS ---------- */
.animate-fade-in {
    opacity: 0;
    animation: fadeIn 0.8s ease forwards;
}

.animate-slide-up {
    opacity: 0;
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.delay-1 { animation-delay: 0.15s; }
.delay-2 { animation-delay: 0.3s; }
.delay-3 { animation-delay: 0.5s; }

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* ---------- REDUCED MOTION ---------- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .reveal {
        opacity: 1;
        transform: none;
    }
    
    .animate-fade-in,
    .animate-slide-up {
        opacity: 1;
        transform: none;
    }
}