/* ============================================
   NGMT Limited - Landing Page Styles
   ============================================ */

/* CSS Variables */
:root {
    /* Colors - Deep midnight palette with warm accents */
    --color-bg: #0a0a0f;
    --color-bg-elevated: #12121a;
    --color-surface: #1a1a24;
    --color-text: #f5f5f7;
    --color-text-muted: #8b8b9a;
    --color-accent: #ff6b35;
    --color-accent-glow: rgba(255, 107, 53, 0.3);
    --color-highlight: #ffd700;
    --color-border: rgba(255, 255, 255, 0.08);
    
    /* Typography */
    --font-display: 'Instrument Serif', Georgia, serif;
    --font-body: 'Syne', sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;
    
    /* Transitions */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: 200ms var(--ease-out-expo);
    --transition-normal: 400ms var(--ease-out-expo);
    --transition-slow: 800ms var(--ease-out-expo);
}

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

html {
    scroll-behavior: smooth;
}

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

a {
    color: inherit;
    text-decoration: none;
}

/* ============================================
   Navigation
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    background: linear-gradient(180deg, rgba(10, 10, 15, 0.9) 0%, transparent 100%);
    backdrop-filter: blur(10px);
    animation: fadeDown 1s var(--ease-out-expo) both;
    animation-delay: 0.5s;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-text {
    font-family: var(--font-body);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 0.1em;
}

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

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.2); opacity: 0.7; }
}

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

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent);
    transition: width var(--transition-normal);
}

.nav-link:hover {
    color: var(--color-text);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link--cta {
    padding: 0.75rem 1.5rem;
    background: var(--color-accent);
    color: var(--color-bg);
    border-radius: 100px;
    font-weight: 600;
}

.nav-link--cta::after {
    display: none;
}

.nav-link--cta:hover {
    color: var(--color-bg);
    transform: scale(1.05);
}

/* Language Switcher */
.lang-switcher {
    position: relative;
    margin-left: var(--space-sm);
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 0.875rem;
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text-muted);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lang-btn svg {
    width: 14px;
    height: 14px;
    transition: transform var(--transition-fast);
}

.lang-btn:hover {
    color: var(--color-text);
    border-color: var(--color-text-muted);
}

.lang-btn.open {
    border-color: var(--color-accent);
}

.lang-btn.open svg {
    transform: rotate(180deg);
}

.lang-current {
    min-width: 1.5em;
    text-align: center;
}

.lang-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 140px;
    padding: 0.5rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 200;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

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

.lang-option {
    display: block;
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-muted);
    background: transparent;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    text-align: left;
    transition: all var(--transition-fast);
}

.lang-option:hover {
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.05);
}

.lang-option.active {
    color: var(--color-accent);
    background: rgba(255, 107, 53, 0.1);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

/* Spline Container */
.hero-spline {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-spline spline-viewer {
    width: 100%;
    height: 100%;
}

.hero-spline::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40%;
    background: linear-gradient(to top, var(--color-bg) 0%, transparent 100%);
    pointer-events: none;
    z-index: 2;
}

/* ============================================
   Hero Video Background
   ============================================ */
.hero-video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
}

/* Dark overlay for text readability */
.hero-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        /* Bottom fade to background */
        linear-gradient(to top, var(--color-bg) 0%, rgba(10, 10, 15, 0.3) 40%, transparent 70%),
        /* Left side fade for text */
        linear-gradient(to right, rgba(10, 10, 15, 0.7) 0%, rgba(10, 10, 15, 0.3) 40%, transparent 70%),
        /* Overall darken */
        rgba(10, 10, 15, 0.3);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: var(--space-xl) var(--space-lg);
    padding-top: calc(var(--space-xl) + 80px);
    animation: fadeUp 1.2s var(--ease-out-expo) both;
    animation-delay: 0.8s;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-tag {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    animation: fadeUp 1s var(--ease-out-expo) both;
    animation-delay: 1s;
}

.tag-line {
    width: 40px;
    height: 1px;
    background: var(--color-accent);
}

.tag-text {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 400;
    line-height: 1.1;
    margin-bottom: var(--space-md);
}

.title-line {
    display: block;
    animation: titleReveal 1s var(--ease-out-expo) both;
}

.title-line:nth-child(1) { animation-delay: 1.1s; }
.title-line:nth-child(2) { animation-delay: 1.25s; }
.title-line:nth-child(3) { animation-delay: 1.4s; }

@keyframes titleReveal {
    from {
        opacity: 0;
        transform: translateY(60px) skewY(3deg);
    }
    to {
        opacity: 1;
        transform: translateY(0) skewY(0);
    }
}

.title-line--italic {
    font-style: italic;
    color: var(--color-accent);
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-width: 500px;
    margin-bottom: var(--space-lg);
    animation: fadeUp 1s var(--ease-out-expo) both;
    animation-delay: 1.5s;
}

.hero-cta {
    display: flex;
    gap: var(--space-sm);
    animation: fadeUp 1s var(--ease-out-expo) both;
    animation-delay: 1.7s;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    border-radius: 100px;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
}

.btn--primary {
    background: var(--color-accent);
    color: var(--color-bg);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px var(--color-accent-glow);
}

.btn--ghost {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text);
}

.btn--ghost:hover {
    border-color: var(--color-text);
    background: rgba(255, 255, 255, 0.05);
}

.btn--full {
    width: 100%;
    justify-content: center;
}

.btn-arrow {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-fast);
}

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

/* Scroll Indicator */
.hero-scroll {
    position: absolute;
    bottom: var(--space-lg);
    left: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    z-index: 10;
    animation: fadeUp 1s var(--ease-out-expo) both;
    animation-delay: 2s;
}

.scroll-text {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: var(--color-border);
    position: relative;
    overflow: hidden;
}

.scroll-dot {
    position: absolute;
    top: 0;
    left: -2px;
    width: 5px;
    height: 10px;
    background: var(--color-accent);
    border-radius: 3px;
    animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
    0% { top: 0; opacity: 1; }
    80% { top: 50px; opacity: 1; }
    100% { top: 60px; opacity: 0; }
}

/* ============================================
   Section Common Styles
   ============================================ */
.section-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-xl) var(--space-lg);
}

.about-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.label-number {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent);
    letter-spacing: 0.1em;
}

.label-text {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 400;
    line-height: 1.3;
    max-width: 700px;
}

.section-title--center {
    text-align: center;
    margin: 0 auto var(--space-lg);
}

.highlight {
    color: var(--color-accent);
    font-style: italic;
}

/* ============================================
   About Section
   ============================================ */
.about {
    background: var(--color-bg-elevated);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.about-grid {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.about-text {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    margin-top: var(--space-md);
    max-width: 600px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    letter-spacing: 0.02em;
}

/* ============================================
   Services Section
   ============================================ */
.services {
    background: var(--color-bg);
}

.services-header {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.services-header .about-label {
    justify-content: center;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
}

.service-card {
    padding: var(--space-lg) var(--space-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-accent);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 48px;
    height: 48px;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
    transition: all var(--transition-normal);
}

.service-icon svg {
    transition: all var(--transition-normal);
}

.service-card:hover .service-icon {
    transform: scale(1.1);
}

.service-card:hover .service-icon svg {
    animation: iconPulse 1s ease-in-out infinite;
}

/* Different animations for each card */
.service-card:nth-child(1):hover .service-icon svg {
    animation: iconFloat 2s ease-in-out infinite;
}

.service-card:nth-child(2):hover .service-icon svg {
    animation: iconPulse 1.5s ease-in-out infinite;
}

.service-card:nth-child(3):hover .service-icon svg {
    animation: iconSpin 3s linear infinite;
}

.service-card:nth-child(4):hover .service-icon svg {
    animation: iconBounce 1s ease-in-out infinite;
}

@keyframes iconFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

@keyframes iconPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.15); opacity: 0.8; }
}

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

@keyframes iconBounce {
    0%, 100% { transform: translateY(0); }
    25% { transform: translateY(-4px); }
    50% { transform: translateY(0); }
    75% { transform: translateY(-2px); }
}

.service-title {
    font-family: var(--font-body);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.service-desc {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ============================================
   Work Section
   ============================================ */
.work {
    background: var(--color-bg-elevated);
}

.work-header {
    margin-bottom: var(--space-lg);
}

.work-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: var(--space-md);
}

.work-item {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--transition-normal);
}

.work-item:hover {
    transform: scale(1.02);
}

.work-item--large {
    grid-row: span 2;
}

.work-image {
    aspect-ratio: 4/3;
    position: relative;
    overflow: hidden;
}

.work-item--large .work-image {
    aspect-ratio: auto;
    height: 100%;
}

.work-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.3;
    background: 
        radial-gradient(circle at 30% 30%, var(--color-accent) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, var(--color-highlight) 0%, transparent 50%);
    animation: patternMove 8s ease-in-out infinite;
}

@keyframes patternMove {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.1) rotate(5deg); }
}

.work-pattern--alt {
    background: 
        conic-gradient(from 45deg, transparent 0deg, var(--color-accent) 90deg, transparent 180deg);
}

.work-pattern--dots {
    background-image: radial-gradient(var(--color-text) 1px, transparent 1px);
    background-size: 20px 20px;
    opacity: 0.1;
}

.work-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-md);
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
}

.work-category {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
    display: block;
    margin-bottom: var(--space-xs);
}

.work-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
}

/* Single Project Layout */
.work-grid--single {
    grid-template-columns: 1fr;
    max-width: 900px;
    margin: 0 auto;
}

.work-item--featured {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
}

.work-item--featured .work-image {
    aspect-ratio: 16/9;
    height: auto;
}

.work-item--featured .work-info {
    padding: var(--space-lg);
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.5) 60%, transparent 100%);
}

.work-item--featured .work-category {
    font-size: 0.875rem;
    margin-bottom: var(--space-sm);
}

.work-item--featured .work-title {
    font-size: clamp(2rem, 4vw, 3rem);
}

.work-item--featured:hover {
    transform: scale(1.01);
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    background: var(--color-bg);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: start;
}

.contact-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 400;
    line-height: 1.3;
    margin-bottom: var(--space-lg);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.contact-link {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-accent);
    transition: opacity var(--transition-fast);
}

.contact-link:hover {
    opacity: 0.8;
}

.contact-address {
    color: var(--color-text-muted);
    line-height: 1.8;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.form-group {
    position: relative;
}

.form-input {
    width: 100%;
    padding: 1.25rem 1.5rem;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    outline: none;
    transition: all var(--transition-fast);
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

.form-input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.form-textarea {
    resize: vertical;
    min-height: 150px;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
}

.footer .section-container {
    padding: var(--space-lg);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: var(--space-xs);
}

.footer-brand .logo-text {
    font-size: 2rem;
}

.footer-tagline {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

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

.footer-link {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
}

.footer-bottom p {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .work-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .work-item--large {
        grid-column: span 2;
        grid-row: span 1;
    }
}

@media (max-width: 768px) {
    :root {
        --space-lg: 2rem;
        --space-xl: 4rem;
    }
    
    .nav {
        padding: var(--space-sm) var(--space-md);
    }
    
    .nav-links {
        display: none;
    }
    
    .hero-content {
        padding: var(--space-lg);
        padding-top: calc(var(--space-xl) + 60px);
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .work-grid {
        grid-template-columns: 1fr;
    }
    
    .work-item--large {
        grid-column: span 1;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-scroll {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        text-align: left;
    }
    
    .stat-item {
        display: flex;
        align-items: baseline;
        gap: var(--space-sm);
    }
}