/* ==========================================================================
   DESIGN SYSTEM & VARIABLES
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    --bg-main: #0a0c10;
    --bg-card: rgba(20, 24, 33, 0.6);
    --bg-card-hover: rgba(28, 34, 46, 0.8);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(16, 185, 129, 0.3);
    
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    --accent-green: #10b981;
    --accent-green-glow: rgba(16, 185, 129, 0.15);
    --accent-gold: #f59e0b;
    --accent-gold-glow: rgba(245, 158, 11, 0.15);
    --accent-blue: #3b82f6;
    
    --gradient-green: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-gold: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --gradient-dark: linear-gradient(180deg, #111827 0%, #030712 100%);
    --gradient-text: linear-gradient(135deg, #ffffff 30%, #a7f3d0 100%);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

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

/* Ambient Background Lights */
body::before, body::after {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
    filter: blur(150px);
    opacity: 0.12;
}

body::before {
    top: 5%;
    left: -10%;
    background: var(--accent-green);
}

body::after {
    top: 50%;
    right: -10%;
    background: var(--accent-gold);
}

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

/* ==========================================================================
   NAVBAR
   ========================================================================== */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 12, 16, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

header.scrolled {
    padding: 0.5rem 0;
    background: rgba(7, 8, 11, 0.9);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo span {
    color: var(--accent-green);
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
    align-items: center;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition-smooth);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-green);
    transition: var(--transition-smooth);
}

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

.btn-cta {
    background: var(--gradient-green);
    color: #fff;
    padding: 0.6rem 1.2rem;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-smooth);
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 14px var(--accent-green-glow);
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.3);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    border: none;
    background: transparent;
}

.menu-toggle span {
    display: block;
    width: 28px;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-smooth);
}

/* ==========================================================================
   SECTIONS & HERO
   ========================================================================== */
section {
    padding: 8rem 2rem 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-section {
    min-height: 90vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 10rem;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
    width: 100%;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.badge-tag {
    background: var(--accent-green-glow);
    color: var(--accent-green);
    border: 1px solid rgba(16, 185, 129, 0.25);
    padding: 0.4rem 1rem;
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    align-self: flex-start;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.badge-tag::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--accent-green);
    box-shadow: 0 0 8px var(--accent-green);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1.5px;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 1rem;
}

.hero-buttons {
    display: flex;
    gap: 1.25rem;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.75rem 1.75rem;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    cursor: pointer;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--text-secondary);
}

/* Hero Data Flow Visualization (Right Column) */
.hero-visual {
    position: relative;
    height: 400px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    overflow: hidden;
    backdrop-filter: blur(12px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.hero-visual::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.terminal-box {
    width: 85%;
    background: rgba(10, 12, 16, 0.85);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    padding: 1.25rem;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.85rem;
    color: #34d399;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    position: relative;
}

.terminal-header {
    display: flex;
    gap: 6px;
    margin-bottom: 1rem;
}

.terminal-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #ef4444;
}

.terminal-dot:nth-child(2) { background: #eab308; }
.terminal-dot:nth-child(3) { background: #22c55e; }

.terminal-line {
    margin-bottom: 0.5rem;
    white-space: nowrap;
    overflow: hidden;
    border-right: 2px solid transparent;
}

.terminal-line.typing {
    animation: typing 3.5s steps(40, end), blink-caret .75s step-end infinite;
}

/* ==========================================================================
   TIMELINE SECTION
   ========================================================================== */
.section-title-wrap {
    margin-bottom: 4rem;
    text-align: center;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.75rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 0.75rem;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, var(--accent-green) 0%, var(--accent-gold) 100%);
    transform: translateX(-50%);
}

.timeline-item {
    margin-bottom: 4rem;
    position: relative;
    width: 50%;
    padding: 0 3rem;
}

.timeline-item:nth-child(odd) {
    left: 0;
    text-align: right;
}

.timeline-item:nth-child(even) {
    left: 50%;
    text-align: left;
}

.timeline-badge {
    position: absolute;
    top: 4px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--bg-main);
    border: 4px solid var(--accent-green);
    z-index: 10;
    transition: var(--transition-smooth);
}

.timeline-item:nth-child(odd) .timeline-badge {
    right: -10px;
}

.timeline-item:nth-child(even) .timeline-badge {
    left: -10px;
    border-color: var(--accent-gold);
}

.timeline-item:hover .timeline-badge {
    transform: scale(1.3);
    box-shadow: 0 0 15px var(--accent-green);
}

.timeline-item:nth-child(even):hover .timeline-badge {
    box-shadow: 0 0 15px var(--accent-gold);
}

.timeline-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: var(--transition-smooth);
    position: relative;
}

.timeline-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-hover);
    box-shadow: 0 15px 35px var(--accent-green-glow);
}

.timeline-item:nth-child(even) .timeline-card:hover {
    border-color: rgba(245, 158, 11, 0.4);
    box-shadow: 0 15px 35px var(--accent-gold-glow);
}

.timeline-date {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--accent-green);
    margin-bottom: 0.5rem;
}

.timeline-item:nth-child(even) .timeline-date {
    color: var(--accent-gold);
}

.timeline-card h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.timeline-company {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.timeline-details-list {
    list-style: none;
    text-align: left;
}

.timeline-details-list li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.25rem;
}

.timeline-details-list li::before {
    content: "▹";
    position: absolute;
    left: 0;
    color: var(--accent-green);
}

/* ==========================================================================
   TECHNICAL ARSENAL
   ========================================================================== */
.arsenal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.arsenal-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem;
    backdrop-filter: blur(12px);
    transition: var(--transition-smooth);
}

.arsenal-card:hover {
    border-color: rgba(255,255,255,0.15);
    transform: translateY(-3px);
}

.arsenal-icon-title {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.arsenal-icon-title h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
}

.arsenal-badge-box {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tech-badge {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tech-badge:hover {
    background: rgba(16, 185, 129, 0.05);
    border-color: var(--accent-green);
    color: var(--text-primary);
    transform: scale(1.05);
}

/* ==========================================================================
   PROJECTS SECTION
   ========================================================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2.5rem;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* Featured Coders Club Golden Glow */
.project-card.featured-gold {
    border: 1px solid rgba(245, 158, 11, 0.3);
    background: linear-gradient(180deg, rgba(20, 24, 33, 0.7) 0%, rgba(30, 24, 15, 0.7) 100%);
    box-shadow: 0 10px 30px rgba(245, 158, 11, 0.05);
}

.project-card.featured-gold:hover {
    border-color: var(--accent-gold);
    box-shadow: 0 20px 45px rgba(245, 158, 11, 0.2);
}

.project-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.project-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}

.project-card.featured-gold .project-label {
    color: var(--accent-gold);
}

.project-card h3 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.25;
}

.project-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.75rem;
    flex-grow: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.project-tag {
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    color: var(--text-secondary);
}

.btn-project-launch {
    background: transparent;
    border: 1px solid var(--accent-green);
    color: var(--accent-green);
    padding: 0.7rem 1.5rem;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-smooth);
    cursor: pointer;
    justify-content: center;
}

.btn-project-launch:hover {
    background: var(--gradient-green);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 14px var(--accent-green-glow);
}

.project-card.featured-gold .btn-project-launch {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

.project-card.featured-gold .btn-project-launch:hover {
    background: var(--gradient-gold);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 14px var(--accent-gold-glow);
}

/* ==========================================================================
   LEADERSHIP & KEY HIGHLIGHTS
   ========================================================================== */
.highlights-container {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 2.5rem;
}

.highlight-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    position: relative;
    transition: var(--transition-smooth);
}

.highlight-box:hover {
    transform: translateY(-5px);
    border-color: var(--border-hover);
}

.highlight-num {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: var(--accent-green);
    margin-bottom: 0.5rem;
}

.highlight-box:nth-child(2) .highlight-num {
    color: var(--accent-gold);
}

.highlight-box h4 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.highlight-box p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-green);
    font-size: 1.25rem;
}

.contact-method:nth-child(2) .contact-icon {
    background: rgba(245, 158, 11, 0.08);
    border-color: rgba(245, 158, 11, 0.2);
    color: var(--accent-gold);
}

.contact-text h4 {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-text p {
    font-size: 1.1rem;
    font-weight: 600;
}

.contact-form-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 3rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-control {
    width: 100%;
    background: rgba(10, 12, 16, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 0.85rem 1.2rem;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-green);
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.1);
}

.btn-submit {
    background: var(--gradient-green);
    color: #fff;
    width: 100%;
    padding: 1rem;
    border-radius: 10px;
    border: none;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.25);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
footer {
    border-top: 1px solid var(--border-color);
    background: #07080b;
    padding: 3rem 2rem;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    list-style: none;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}

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

.footer-copy {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ==========================================================================
   ANIMATIONS & KEYFRAMES
   ========================================================================== */
@keyframes typing {
    from { width: 0 }
    to { width: 100% }
}

@keyframes blink-caret {
    from, to { border-color: transparent }
    50% { border-color: var(--accent-green); }
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 968px) {
    section {
        padding: 6rem 1.5rem 4rem 1.5rem;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .timeline::before {
        left: 2rem;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 4rem;
        padding-right: 0;
    }
    
    .timeline-item:nth-child(odd), .timeline-item:nth-child(even) {
        left: 0;
        text-align: left;
    }
    
    .timeline-item:nth-child(odd) .timeline-badge, 
    .timeline-item:nth-child(even) .timeline-badge {
        left: 1.5rem;
    }
    
    .highlights-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none; /* Mobile menu handles this */
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-visual {
        height: 300px;
    }
}