/* ========================================
   CSS Variables & Reset
======================================== */
:root {
    --primary: #E31E24;
    --primary-dark: #B01118;
    --secondary: #0A0A0A;
    --accent: #FF4449;
    --bg-dark: #0F0F0F;
    --bg-light: #FAFAFA;
    --text-primary: #1A1A1A;
    --text-secondary: #666666;
    --text-light: #999999;
    --border: #E5E5E5;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-lg: rgba(0, 0, 0, 0.15);
    --gradient: linear-gradient(135deg, var(--primary) 0%, #C41018 100%);
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-display: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

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

body {
    font-family: var(--font-display);
    color: var(--text-primary);
    background: var(--bg-light);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    font-feature-settings: "kern" 1;
    overflow-x: hidden;
}

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

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

button {
    font-family: inherit;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

ul {
    list-style: none;
}

/* ========================================
   Container & Layout
======================================== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ========================================
   Navigation
======================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(250, 250, 250, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.nav.scrolled {
    box-shadow: 0 4px 20px var(--shadow);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo-wrapper {
    height: 40px;
}

.logo {
    height: 100%;
    width: auto;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition);
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    padding: 0.5rem;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

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

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(227, 30, 36, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(227, 30, 36, 0.03) 0%, transparent 50%);
    z-index: -1;
}

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

.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.01em;
}

.title-line {
    display: block;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

.title-line:nth-child(1) {
    animation-delay: 0.1s;
}

.title-line:nth-child(2) {
    animation-delay: 0.2s;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 500px;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.3s forwards;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--gradient);
    color: white;
    font-weight: 700;
    font-size: 1rem;
    border-radius: 50px;
    box-shadow: 0 10px 30px rgba(227, 30, 36, 0.3);
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.4s forwards;
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(227, 30, 36, 0.4);
}

.hero-visual {
    animation: fadeInUp 0.8s ease-out 0.5s backwards;
}

.code-block {
    background: var(--bg-dark);
    border-radius: 12px;
    padding: var(--spacing-lg);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: #A9B7C6;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.code-line {
    margin: 0.5rem 0;
    opacity: 0;
    animation: fadeInLeft 0.5s ease-out forwards;
}

.code-line:nth-child(1) { animation-delay: 0.7s; }
.code-line:nth-child(2) { animation-delay: 0.8s; }
.code-line:nth-child(3) { animation-delay: 0.9s; }
.code-line:nth-child(4) { animation-delay: 1s; }

.indent {
    padding-left: 2rem;
}

.keyword {
    color: #CC7832;
}

.string {
    color: #6A8759;
}

.function {
    color: #FFC66D;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    animation: fadeIn 1s ease-out 1.2s forwards;
}

.scroll-line {
    width: 2px;
    height: 40px;
    background: var(--primary);
    animation: scrollDown 2s ease-in-out infinite;
}

/* ========================================
   Services Section
======================================== */
.services {
    padding: var(--spacing-xl) 0;
    background: white;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    letter-spacing: -0.01em;
    line-height: 1.2;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    padding: var(--spacing-lg);
    background: var(--bg-light);
    border-radius: 16px;
    border: 2px solid transparent;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient);
    transform: scaleX(0);
    transition: transform var(--transition);
}

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

.service-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px var(--shadow);
}

.service-icon {
    width: 60px;
    height: 60px;
    margin-bottom: var(--spacing-md);
    color: var(--primary);
    transition: var(--transition);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========================================
   Expertise Section
======================================== */
.expertise {
    padding: var(--spacing-xl) 0;
    background: var(--bg-dark);
    color: white;
}

.expertise .section-title {
    color: white;
}

.expertise-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.expertise-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.expertise-category h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--primary);
}

.expertise-category ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.expertise-category li {
    padding-left: 1.5rem;
    position: relative;
    color: #CCCCCC;
    transition: var(--transition);
}

.expertise-category li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--primary);
}

.expertise-category li:hover {
    color: white;
    padding-left: 2rem;
}

.stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.95rem;
    color: #999999;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ========================================
   Contact Section
======================================== */
.contact {
    padding: var(--spacing-xl) 0;
    background: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-person {
    display: flex;
    gap: var(--spacing-md);
    align-items: start;
}

.contact-photo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary);
    box-shadow: 0 10px 30px var(--shadow-lg);
}

.contact-details h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.contact-role {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

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

.contact-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
    font-weight: 500;
    padding: 0.75rem;
    border-radius: 8px;
    background: var(--bg-light);
    transition: var(--transition);
}

.contact-link svg {
    width: 20px;
    height: 20px;
    color: var(--primary);
    flex-shrink: 0;
}

.contact-link:hover {
    background: var(--primary);
    color: white;
    transform: translateX(5px);
}

.contact-link:hover svg {
    color: white;
}

.location-info {
    padding: var(--spacing-md);
    background: var(--bg-light);
    border-radius: 12px;
    border-left: 4px solid var(--primary);
}

.location-info h4 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.location-info p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========================================
   Contact Actions
======================================== */
.contact-actions {
    text-align: center;
}

.contact-actions h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.contact-actions > p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-size: 1.1rem;
}

.action-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-width: 500px;
    margin: 0 auto;
}

.action-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 1.2rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1.05rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.action-button svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.action-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.action-button:hover::before {
    left: 100%;
}

.action-button.whatsapp {
    background: #25D366;
    color: white;
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.3);
}

.action-button.whatsapp:hover {
    background: #20BA5A;
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(37, 211, 102, 0.4);
}

.action-button.phone {
    background: var(--gradient);
    color: white;
    box-shadow: 0 10px 30px rgba(227, 30, 36, 0.3);
}

.action-button.phone:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(227, 30, 36, 0.4);
}

.action-button.email {
    background: var(--bg-dark);
    color: white;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.action-button.email:hover {
    background: #1A1A1A;
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

/* ========================================
   Footer
======================================== */
.footer {
    background: white;
    color: var(--text-primary);
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--border);
}

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

.footer-logo {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-logo .logo {
    height: 85px;
    width: auto;
    padding: 8px 16px;
    background: white;
    border-radius: 8px;
}

.footer-logo p {
    color: #CCCCCC;
    font-size: 0.95rem;
    font-weight: 600;
}

.footer-tagline {
    font-size: 0.85rem !important;
    font-weight: 400 !important;
    color: #999999 !important;
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-links a {
    color: #CCCCCC;
    font-weight: 600;
    transition: var(--transition);
}

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

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

.footer-bottom p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* ========================================
   Animations
======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

@keyframes scrollDown {
    0% {
        transform: scaleY(0);
        transform-origin: top;
    }
    50% {
        transform: scaleY(1);
        transform-origin: top;
    }
    51% {
        transform: scaleY(1);
        transform-origin: bottom;
    }
    100% {
        transform: scaleY(0);
        transform-origin: bottom;
    }
}

/* ========================================
   Responsive Design
======================================== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .hero-visual {
        order: -1;
    }

    .expertise-content {
        grid-template-columns: 1fr;
    }

    .stats {
        flex-direction: row;
        justify-content: space-around;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(250, 250, 250, 0.98);
        backdrop-filter: blur(10px);
        padding: var(--spacing-md);
        gap: var(--spacing-md);
        box-shadow: 0 10px 30px var(--shadow);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
    }

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

    .menu-toggle {
        display: flex;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

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

    .expertise-list {
        grid-template-columns: 1fr;
    }

    .stats {
        flex-direction: column;
    }

    .contact-person {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .contact-links {
        width: 100%;
    }

    .action-buttons {
        width: 100%;
    }

    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

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

@media (max-width: 480px) {
    :root {
        --spacing-md: 1rem;
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
    }

    .hero {
        min-height: 80vh;
    }

    .code-block {
        padding: var(--spacing-md);
        font-size: 0.75rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }
}

/* ========================================
   Performance Optimizations
======================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Smooth scrolling for sections */
section {
    scroll-margin-top: 100px;
}

/* Loading optimization */
img {
    content-visibility: auto;
}