/* Core Variables & Design Tokens (Monochrome / Black & White Theme) */
:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f9f9fb;
    --accent-dark: #000000;
    --accent-light: #ffffff;
    --border-color: #e2e8f0;
    --border-color-hover: #000000;
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --card-bg: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.85);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-bounce: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    scroll-behavior: smooth;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
}

body {
    overflow-x: hidden;
    position: relative;
    line-height: 1.6;
    background-color: var(--bg-primary);
}

/* Scrollbar Customization */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: #e2e8f0;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-dark);
}

/* Hide background glowing blobs */
.blob {
    display: none;
}

/* Subtle Minimal Grid Overlay */
.grid-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 0, 0, 0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.015) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: -1;
    pointer-events: none;
    opacity: 0.8;
}

/* Typography Utilities */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

p {
    color: var(--text-secondary);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: transparent;
    transition: var(--transition-smooth);
    padding: 1.75rem 0;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 1.1rem 0;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-group {
    text-decoration: none;
    display: flex;
    flex-direction: column;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--accent-dark);
}

.logo-subtext {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--text-muted);
    font-weight: 600;
    margin-top: 2px;
}

.nav-menu {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-smooth);
    position: relative;
    padding: 0.25rem 0;
}

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

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

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

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
}

.nav-toggle .bar {
    width: 24px;
    height: 2px;
    background-color: var(--accent-dark);
    transition: var(--transition-smooth);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.8rem;
    border-radius: 4px; /* Minimalist sharp corners */
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-primary {
    background-color: var(--accent-dark);
    color: var(--accent-light);
    border: 1px solid var(--accent-dark);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--accent-dark);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--accent-dark);
    border: 1px solid var(--accent-dark);
}

.btn-secondary:hover {
    background-color: var(--accent-dark);
    color: var(--accent-light);
    transform: translateY(-2px);
}

/* Hero Section */
.hero-section {
    padding: 11rem 0 6rem 0;
    position: relative;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--bg-secondary);
    color: var(--accent-dark);
    border: 1px solid var(--border-color);
    padding: 0.45rem 1.1rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 2rem;
}

.badge-icon {
    color: var(--accent-dark);
}

.hero-title {
    font-size: 4.5rem;
    line-height: 1.05;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--accent-dark);
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: 1.45rem;
    font-weight: 400;
    color: var(--text-secondary);
    line-height: 1.45;
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.05rem;
    margin-bottom: 2.5rem;
    max-width: 580px;
    line-height: 1.7;
}

.hero-cta-group {
    display: flex;
    gap: 1rem;
}

/* Hero Visual & Avatar Card */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.avatar-card {
    background: var(--card-bg);
    border: 1px solid var(--accent-dark);
    padding: 1.25rem;
    border-radius: 8px; /* Sharp modern look */
    width: 100%;
    max-width: 360px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: var(--transition-smooth);
}

.avatar-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.08);
}

.avatar-wrapper {
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 1.25rem;
    background: #f1f5f9;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid var(--border-color);
}

.avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%); /* Strict monochrome feel */
    transition: var(--transition-smooth);
}

.avatar-card:hover .avatar-img {
    filter: grayscale(0%);
    transform: scale(1.03);
}

.avatar-fallback {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 800;
    color: var(--accent-dark);
    background: #f1f5f9;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.avatar-tag {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 0.55rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-dark);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pulse-indicator {
    width: 8px;
    height: 8px;
    background-color: var(--accent-dark);
    border-radius: 50%;
    position: relative;
}

.pulse-indicator::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background-color: var(--accent-dark);
    border-radius: 50%;
    animation: indicator-pulse 1.8s infinite;
}

@keyframes indicator-pulse {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(2.8); opacity: 0; }
}

/* Stats Section */
.stats-section {
    padding: 4.5rem 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    text-align: center;
}

.stat-number {
    font-size: 3.25rem;
    font-weight: 800;
    color: var(--accent-dark);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

/* Sections Global */
.section {
    padding: 9rem 0;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 5.5rem auto;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
    color: var(--accent-dark);
    position: relative;
    display: inline-block;
    padding-bottom: 0.75rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background-color: var(--accent-dark);
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 5rem;
    align-items: start;
}

.about-text p {
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
    line-height: 1.75;
}

.about-text .lead-text {
    font-size: 1.25rem;
    color: var(--text-primary);
    line-height: 1.6;
    margin-bottom: 2rem;
    font-weight: 500;
}

.about-philosophy {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.philosophy-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 2.25rem;
    border-radius: 8px;
}

.card-mini-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    font-weight: 700;
}

.card-quote {
    font-family: var(--font-body);
    font-size: 1.15rem;
    font-weight: 500;
    line-height: 1.6;
    color: var(--text-primary);
    border-left: 2px solid var(--accent-dark);
    padding-left: 1rem;
}

.tags-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.tag {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.45rem 0.9rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.tag:hover {
    border-color: var(--accent-dark);
    color: var(--accent-light);
    background-color: var(--accent-dark);
}

/* Expertise Pillars Section */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.expertise-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 3rem 2.5rem;
    border-radius: 8px;
    transition: var(--transition-smooth);
}

.expertise-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-dark);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.04);
}

.card-icon-wrapper {
    width: 50px;
    height: 50px;
    border-radius: 4px;
    background: var(--bg-secondary);
    color: var(--accent-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.expertise-card:hover .card-icon-wrapper {
    background: var(--accent-dark);
    color: var(--accent-light);
    border-color: var(--accent-dark);
}

.card-icon {
    width: 24px;
    height: 24px;
}

.card-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--accent-dark);
}

.card-description {
    font-size: 0.95rem;
    line-height: 1.65;
}

/* Milestones Timeline Section */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    width: 1px;
    background-color: var(--border-color);
    top: 0;
    bottom: 0;
    left: 120px;
}

.timeline-item {
    position: relative;
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 3rem;
    margin-bottom: 3.5rem;
}

.timeline-dot {
    position: absolute;
    width: 11px;
    height: 11px;
    background-color: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    left: 115px;
    top: 2rem;
    z-index: 2;
    transition: var(--transition-smooth);
}

.timeline-item:hover .timeline-dot {
    background-color: var(--accent-dark);
    border-color: var(--accent-dark);
    transform: scale(1.3);
}

.timeline-date {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-muted);
    text-align: right;
    padding-top: 1.8rem;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
}

.timeline-item:hover .timeline-date {
    color: var(--accent-dark);
}

.timeline-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 2.25rem;
    border-radius: 8px;
    transition: var(--transition-smooth);
}

.timeline-item:hover .timeline-card {
    border-color: var(--accent-dark);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.02);
}

.timeline-card-title {
    font-size: 1.3rem;
    margin-bottom: 0.25rem;
    color: var(--accent-dark);
}

.timeline-card-company {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 700;
    margin-bottom: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.timeline-card-desc {
    font-size: 0.95rem;
    line-height: 1.65;
}

/* Connect Section */
.connect-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 4.5rem 3rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.connect-title {
    font-size: 2.25rem;
    margin-bottom: 1rem;
    color: var(--accent-dark);
}

.connect-description {
    font-size: 1.05rem;
    max-width: 520px;
    margin: 0 auto 3rem auto;
    line-height: 1.65;
}

.social-links-grid {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.social-card {
    text-decoration: none;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 1.1rem 1.8rem;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 0.85rem;
    transition: var(--transition-smooth);
    min-width: 180px;
}

.social-card:hover {
    transform: translateY(-3px);
    border-color: var(--accent-dark);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.03);
}

.social-icon-box {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-dark);
    transition: var(--transition-smooth);
}

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

.social-name {
    font-weight: 700;
    color: var(--accent-dark);
    font-size: 0.95rem;
}

.social-action {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
    margin-left: auto;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.social-card:hover .social-action {
    color: var(--accent-dark);
}

/* Footer */
.footer-bottom {
    padding: 2.5rem 0;
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.copyright {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.tagline {
    font-size: 0.85rem;
    color: var(--accent-dark);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3.5rem;
    }
    
    .hero-grid {
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    /* Navigation Toggle */
    .nav-toggle {
        display: flex;
        z-index: 1001;
    }
    
    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: rgba(255, 255, 255, 0.98);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: var(--transition-smooth);
        z-index: 1000;
        border-left: 1px solid var(--border-color);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        font-size: 1.25rem;
    }
    
    /* Layout adjustments */
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .avatar-card {
        transform: none;
    }
    
    .avatar-card:hover {
        transform: translateY(-5px);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 3.5rem;
    }
    
    .expertise-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-dot {
        left: 15px;
    }
    
    .timeline-item {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding-left: 3rem;
    }
    
    .timeline-date {
        text-align: left;
        padding-top: 0;
    }
    
    .connect-card {
        padding: 3.5rem 2rem;
    }
    
    .social-links-grid {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
    
    .social-card {
        width: 100%;
        max-width: 320px;
    }
    
    .footer-container {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.85rem;
    }
    
    .hero-cta-group {
        width: 100%;
        flex-direction: column;
        gap: 1rem;
    }
    
    .btn {
        width: 100%;
    }
}