/* ==========================================================================
   1. DESIGN SYSTEM & VARIABLES
   ========================================================================== */
:root {
    --bg-dark: #0a192f;
    --bg-card: #112240;
    --bg-light: #f4f6f9;
    --primary: #00bcd4;
    --primary-hover: #00acc1;
    --text-main: #ffffff;
    --text-muted: #8892b0;
    --text-dark: #2d3748;
    --accent: #64ffda;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
}

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

html {
    scroll-behavior: smooth;
    font-family: var(--font-sans);
    background-color: var(--bg-dark);
    color: var(--text-main);
    overflow-x: hidden;
}

body {
    line-height: 1.6;
}

/* ==========================================================================
   2. REUSABLE ANIMATIONS & UTILITIES
   ========================================================================== */
@keyframes pulse-glow {
    0% { box-shadow: 0 0 0 0 rgba(0, 188, 212, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(0, 188, 212, 0); }
    100% { box-shadow: 0 0 0 0 rgba(0, 188, 212, 0); }
}

@keyframes marquee {
    0% { transform: translateX(0%); }
    100% { transform: translateX(-50%); }
}

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 4px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 188, 212, 0.3);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background-color: rgba(0, 188, 212, 0.1);
    color: var(--text-main);
    transform: translateY(-3px);
}

/* ==========================================================================
   3. HEADER & TOP BANNER
   ========================================================================== */
.top-banner {
    background: linear-gradient(90deg, #005c53, #042940);
    overflow: hidden;
    white-space: nowrap;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--primary);
}

.banner-track {
    display: inline-block;
    animation: marquee 20s linear infinite;
}

.banner-text {
    display: inline-block;
    padding-right: 2rem;
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 500;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 10%;
    background-color: rgba(10, 25, 47, 0.95);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    text-decoration: none;
}

.nav-logo span {
    color: var(--primary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
}

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

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

.nav-links a:hover::after {
    width: 100%;
}
/* ==========================================================================
   nav --Mobile menu - 
   ========================================================================== */
/* --- STABLE FIXED NAVIGATION BAR ARCHITECTURE --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 75px;
    background-color: #0b1528; /* Explicit fallback match for --bg-dark-primary */
    border-bottom: 1px solid rgba(0, 240, 255, 0.15); /* Explicit var(--border-soft) */
    backdrop-filter: blur(12px);
    z-index: 1000;
}

.navbar-container {
    max-width: 1200px;
    height: 100%;
    margin: 0 auto;
    padding: 0 4%;
    display: flex;
    align-items: center;
    justify-content: space-between; /* Creates balanced outer spacing across three layout poles */
}

.nav-logo {
    font-size: 1.4rem;
    font-weight: 700;
    color: #ffffff;
    text-decoration: none;
    flex-shrink: 0;
}

.nav-logo span {
    color: #00f0ff; /* Explicit var(--accent-cyan) */
}

/* Master Navigation Elements Grid Mapping (PC Specific Layout Optimization) */
.nav-pipeline {
    display: flex;
    align-items: center;
    margin-left: auto;       /* Pushes nav blocks seamlessly away from logo */
    margin-right: 40px;      /* Establishes clean safety gap before desktop CTA button */
}

.nav-links {
    display: flex;
    gap: 32px;               /* Increased layout padding for distinct structural reading */
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links a {
    color: #8b9bb4;          /* Explicit var(--text-muted) */
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    white-space: nowrap;     /* Forces links to stay single-line on medium viewports */
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: #00f0ff;
}

.nav-action-desktop {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.nav-action-mobile {
    display: none;
}

/* Hamburger Base Component Settings */
.mobile-nav-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
    padding: 6px;
    z-index: 1100;
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background-color: #ffffff;
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1), opacity 0.2s ease, background-color 0.3s ease;
}

/* --- THE MOBILE VIEWPORT SHIFT BREAKPOINT (max-width: 992px) --- */
@media (max-width: 992px) {
    .mobile-nav-toggle {
        display: flex;
    }

    .nav-action-desktop {
        display: none; /* Safely kill layout duplicate to prevent crowding */
    }

    /* Transform navigation container into absolute slide-drawer panel overlay */
    .nav-pipeline {
        position: fixed;
        top: 0;
        right: -100%; /* Keeps layout offscreen safely */
        width: 300px;
        height: 100vh;
        background-color: #132238; /* Explicit var(--bg-dark-secondary) */
        border-left: 1px solid rgba(0, 240, 255, 0.15);
        padding: 110px 40px 40px 40px;
        margin: 0; 
        display: flex;
        flex-direction: column;
        align-items: flex-start;  /* Left-align text hierarchy inside drawer */
        justify-content: flex-start;
        box-shadow: -15px 0 40px rgba(0, 0, 0, 0.6);
        transition: right 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    }

    .nav-links {
        flex-direction: column;
        gap: 24px;
        width: 100%;
    }

    .nav-links a {
        font-size: 1.2rem;
        display: block;
        padding: 6px 0;
        width: 100%;
    }

    .nav-action-mobile {
        display: block;
        width: 100%;
        margin-top: 40px;
        padding-top: 25px;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    
    .nav-action-mobile .btn {
        display: block;
        width: 100%;
        text-align: center;
    }

    /* Trigger State applied seamlessly via Javascript Action Loops */
    .nav-pipeline.nav-active {
        right: 0 !important; /* Force browser axis mapping overwrite */
    }

    /* Morph hamburger icon lines into standard unified close 'X' symbol */
    .mobile-nav-toggle.toggle-active .hamburger-line:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
        background-color: #00f0ff;
    }
    .mobile-nav-toggle.toggle-active .hamburger-line:nth-child(2) {
        opacity: 0;
    }
    .mobile-nav-toggle.toggle-active .hamburger-line:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
        background-color: #00f0ff;
    }
}


/* ==========================================================================
   4. HERO SECTION
   ========================================================================== */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8rem 10% 6rem;
    gap: 4rem;
    min-height: 80vh;
}

.hero-content {
    flex: 1;
}

.hero-tagline {
    color: var(--primary);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-title span {
    color: var(--accent);
}

.hero-desc {
    color: var(--text-muted);
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
}

.hero-image-container {
    flex: 1;
    position: relative;
}

.hero-image {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    border: 1px solid rgba(255,255,255,0.1);
    transition: var(--transition);
}

.hero-image-container:hover .hero-image {
    transform: scale(1.02) translateY(-5px);
    border-color: var(--primary);
}
/* ==========================================================================
   ANIMAION TO HERO TXT
   ========================================================================== */

/* Initial hidden state */
.hero-content > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

/* Staggered entrance delays */
.hero-content.visible .hero-tagline { transition-delay: 0.1s; }
.hero-content.visible .hero-title   { transition-delay: 0.3s; }
.hero-content.visible .hero-desc    { transition-delay: 0.5s; }
.hero-content.visible .hero-actions { transition-delay: 0.7s; }

/* Visible state */
.hero-content.visible > * {
  opacity: 1;
  transform: translateY(0);
}
/* ==========================================================================
   5. CORE SERVICES GRID
   ========================================================================== */
.services-section {
    padding: 6rem 10%;
    background-color: rgba(17, 34, 64, 0.3);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-title span {
    color: var(--primary);
}

.section-subtitle {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--bg-card);
    padding: 2.5rem;
    border-radius: 6px;
    border: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 188, 212, 0.3);
    box-shadow: 0 20px 30px rgba(0,0,0,0.3);
}

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

.service-icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ==========================================================================
   6. PROBLEM-SOLUTION MATRIX (LIGHT UTILITY SECTION)
   ========================================================================== */
/* --- SECTION 4: CENTERED MATRIX CSS GRID SYSTEM --- */
.matrix-section {
    padding: 80px 5%;
    background-color: var(--bg-dark-primary);
    color: var(--text-primary);
    font-family: 'Segoe UI', Roboto, sans-serif;
}

/* Centered Layout Header Setup */
.matrix-section .section-header {
    margin-bottom: 40px;
    text-align: center;
}

.matrix-section .section-title {
    font-size: 2rem;
    color: var(--text-primary);
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.5px;
}

.matrix-section .section-title span {
    color: var(--accent-cyan);
}

.matrix-section .section-subtitle {
    color: var(--text-muted);
    font-size: 1rem;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Centered Content Container Core Boundary */
.matrix-container {
    max-width: 1200px;
    margin: 0 auto;
    border: 1px solid var(--border-soft);
    border-radius: 12px;
    overflow: hidden;
    background: var(--bg-dark-secondary);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

/* 4-Column Balanced Grid Layout Framework */
.matrix-grid-header, .matrix-grid-row {
    display: grid;
    grid-template-columns: 180px 1fr 1fr 1fr;
    border-bottom: 1px solid var(--border-soft);
}

.matrix-grid-row:last-child {
    border-bottom: none;
}

/* Header Component Configuration (Centered) */
.matrix-grid-header {
    background: rgba(0, 240, 255, 0.04);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.matrix-header-cell {
    padding: 20px;
    color: var(--accent-cyan);
    text-align: center; /* Center header labels */
}

/* Data Row Elements Layout Settings (Centered Content Alignment) */
.matrix-grid-row {
    transition: background-color 0.2s ease;
}

.matrix-grid-row:hover {
    background-color: rgba(255, 255, 255, 0.015);
}

.matrix-cell {
    padding: 24px 20px;
    font-size: 0.95rem;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    justify-content: center; /* Vertically center content */
    align-items: center;     /* Horizontally center blocks */
    text-align: center;      /* Center multi-line text fields */
}

/* Core Technical Domain Indicators Column */
.cell-domain {
    font-weight: 600;
    color: var(--text-primary);
    gap: 8px;
}

.cell-domain i {
    color: var(--accent-cyan);
    font-size: 1.2rem;
    margin-bottom: 4px; /* Stack icon nicely over text if micro wrapping occurs */
}

/* Problem Metric Definition Columns (Centered Layout Adjustments) */
.cell-problem {
    color: #fca5a5;
}

.cell-problem i {
    color: #ef4444;
    font-size: 1.1rem;
    margin-bottom: 6px; /* Icon centers above paragraph chunk */
}

/* Technical Optimization Resolution Columns */
.cell-solution {
    color: #e2e8f0;
}

.cell-solution i {
    color: var(--accent-neon);
    font-size: 1.1rem;
    margin-bottom: 6px;
}

/* Final ROI Value Identification Columns */
.cell-outcome {
    color: var(--accent-cyan);
    font-weight: 600;
}

/* Fully Scalable Mobile Breakpoint Configuration Mapping */
@media (max-width: 992px) {
    .matrix-grid-header {
        display: none; /* Safely transition out grid array layout on tight displays */
    }
    
    .matrix-grid-row {
        grid-template-columns: 1fr;
        padding: 24px;
        gap: 16px;
        border-bottom: 2px solid var(--border-soft);
    }
    
    .matrix-cell {
        padding: 4px 0;
    }
    
    .cell-domain {
        font-size: 1.15rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        padding-bottom: 12px;
        margin-bottom: 4px;
    }
}
/* ==========================================================================
   7. FOOTER CALL-TO-ACTION
   ========================================================================== */
.footer-cta {
    padding: 8rem 10% 4rem;
    text-align: center;
    background: linear-gradient(180deg, var(--bg-dark) 0%, #060d1a 100%);
    position: relative;
}

.cta-box {
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem 2rem;
    border-radius: 12px;
    background: radial-gradient(circle at top left, rgba(0, 188, 212, 0.1), transparent);
    border: 1px solid rgba(0, 188, 212, 0.2);
}

.cta-box h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.cta-box p {
    color: var(--text-muted);
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
}

.footer-nav {
    margin-top: 6rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ==========================================================================
   8. RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 968px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 4rem;
    }
    .hero-desc {
        margin: 0 auto 2.5rem;
    }
    .hero-actions {
        justify-content: center;
    }
    .matrix-row {
        flex-direction: column;
    }
    .cell-problem {
        border-right: none;
        border-bottom: 1px solid #e2e8f0;
    }
    .cta-box h2 {
        font-size: 2.2rem;
    }
}

/*Contact Form*/

/* ==========================================================================
   FORM CORE STYLING & PREMIUM HOVER ACTIONS
   ========================================================================== */
.contact-form {
    margin-top: 2rem;
    text-align: left;
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.contact-form:hover {
    border-color: rgba(0, 188, 212, 0.2);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.hidden-field {
    display: none !important;
}

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

.form-group:last-of-type {
    margin-bottom: 2rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: var(--transition);
}

.form-input, 
.form-select, 
.form-textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    background: var(--bg-dark);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    border-radius: 4px;
    font-size: 0.95rem;
    font-family: var(--font-sans);
    outline: none;
    transition: all 0.25s ease-in-out;
}

/* Input Fields Interactive Hover & Focus State Pipeline */
.form-input:hover, 
.form-select:hover, 
.form-textarea:hover {
    border-color: rgba(0, 188, 212, 0.4);
}

.form-input:focus, 
.form-select:focus, 
.form-textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 188, 212, 0.15);
    background: rgba(10, 25, 47, 0.8);
}

/* Textarea Layout Tweaks */
.form-textarea {
    resize: vertical;
    min-height: 100px;
}

/* Interactive Custom Submit Button Styles */
.form-submit-btn {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.75rem;
    font-size: 1rem;
    padding: 1rem;
}

.form-submit-btn i {
    transition: var(--transition);
}

.form-submit-btn:hover i {
    transform: translateX(5px);
}

.form-status-message {
    margin-top: 1.2rem;
    font-size: 0.95rem;
    font-weight: 500;
    text-align: center;
    transition: var(--transition);
}
/* ==========================================================================
   Email button
   ========================================================================== */
.contact-info-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.contact-info-card:hover {
    border-color: rgba(255, 255, 255, 0.25);
    background: rgba(255, 255, 255, 0.05);
}

.contact-icon-wrapper {
    width: 42px;
    height: 42px;
    min-width: 42px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
}

.contact-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #a0a0a0;
    margin-bottom: 2px;
}

.contact-email-link {
    color: #ffffff;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.2s ease;
}

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

/* --- Visual & Layout Module Structural Extensions --- */
:root {
    --bg-dark-primary: #0b1528;      /* Deep premium navy background match */
    --bg-dark-secondary: #132238;    /* Elevated block surface layer card match */
    --text-primary: #ffffff;
    --text-muted: #8b9bb4;
    --accent-cyan: #00f0ff;          /* High conversion structural accent link color */
    --accent-neon: #00d2c4;
    --border-soft: rgba(0, 240, 255, 0.15);
    --border-hover: rgba(0, 240, 255, 0.4);
}

/* Base resets & section wrappers variables */
.hero-showcase-section, .portfolio-projects-section, .technical-skills-section {
    padding: 60px 5%;
    background-color: var(--bg-dark-primary);
    color: var(--text-primary);
    font-family: 'Segoe UI', Roboto, sans-serif;
}

.section-header {
    margin-bottom: 40px;
    text-align: left;
}
.section-title {
    font-size: 2rem;
    color: var(--text-primary);
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.5px;
}
.section-subtitle {
    color: var(--text-muted);
    font-size: 1rem;
    max-width: 600px;
}

/* Image Visual Box Elements Layout */
.hero-image-wrapper {
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-soft);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}
.hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* ==========================================================================
    3-Column Balanced Project Flex-Grid Component
   ========================================================================== */
   
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

@media (max-width: 992px) {
    .projects-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .projects-grid { grid-template-columns: 1fr; }
}

.project-card {
    background: var(--bg-dark-secondary);
    border: 1px solid var(--border-soft);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    display: flex;
    flex-direction: column;
}
.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-hover);
    box-shadow: 0 10px 25px rgba(0, 240, 255, 0.15);
}
.project-image-box {
    width: 100%;
    height: 200px;
    overflow: hidden;
    border-bottom: 1px solid var(--border-soft);
}
.stock-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.project-card:hover .stock-img {
    transform: scale(1.05);
}

.project-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}
.project-heading {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--text-primary);
    font-weight: 600;
}
.project-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 24px;
    flex-grow: 1;
}

/* Button Action Group Blocks Layout */
.project-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: auto;
}
.btn {
    padding: 10px 16px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
}
.btn-project-view {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-neon));
    color: #050b14;
}
.btn-project-view:hover {
    opacity: 0.9;
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
}
.btn-code-view {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-soft);
}
.btn-code-view:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--text-primary);
}

/* Skills Infrastructure Layout Configuration */
.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}
.skill-pill {
    background: var(--bg-dark-secondary);
    border: 1px solid var(--border-soft);
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.2s ease;
}
.skill-pill:hover {
    border-color: var(--accent-cyan);
    background: rgba(0, 240, 255, 0.03);
    transform: scale(1.03);
}
.skill-icon {
    color: var(--accent-cyan);
    font-size: 1.1rem;
}

/*testimonials*/
/* --- Updated Structural Headings (Centered Alignment) --- */
.section-header {
    margin-bottom: 40px;
    text-align: center; /* Changed from left to center alignment */
}
.section-title {
    font-size: 2rem;
    color: var(--text-primary);
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.5px;
}
.section-subtitle {
    color: var(--text-muted);
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto; /* Centers the subtitle text block horizontally */
}

/* --- New Testimonials Grid Layout Module --- */
.testimonials-section {
    padding: 60px 5%;
    background-color: var(--bg-dark-primary);
    color: var(--text-primary);
    font-family: 'Segoe UI', Roboto, sans-serif;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .testimonials-grid { 
        grid-template-columns: 1fr; 
    }
}
/* ==========================================================================
    testimonials
   ========================================================================== */
   
.testimonial-card {
    background: var(--bg-dark-secondary);
    border: 1px solid var(--border-soft);
    padding: 30px;
    border-radius: 12px;
    position: relative;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.testimonial-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 240, 255, 0.1);
}

.quote-icon {
    color: var(--accent-cyan);
    font-size: 1.5rem;
    margin-bottom: 15px;
    opacity: 0.6;
}

.review-text {
    color: var(--text-primary);
    font-size: 1rem;
    line-height: 1.6;
    font-style: italic;
    margin-bottom: 20px;
}

.client-info {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 15px;
}

.client-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.client-role {
    font-size: 0.85rem;
    color: var(--accent-cyan);
    font-weight: 500;
    display: block;
}
/* ==========================================================================
 --- SECTION: ABOUT ME LAYOUT MODULE 
========================================================================== */
 
/* --- REFINED ABOUT ME & SOCIAL MODULE --- */
.about-me-section {
    padding: 80px 5%;
    background-color: var(--bg-dark-primary);
    color: var(--text-primary);
    font-family: 'Segoe UI', Roboto, sans-serif;
}

.about-me-section .section-header {
    margin-bottom: 50px;
    text-align: center;
}

.about-me-section .section-title span {
    color: var(--accent-cyan);
}

.about-container {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 60px;
    align-items: center;
}

/* Profile Visual Box Element Layout */
.about-profile-column {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 25px;
}

.profile-image-wrapper {
    width: 240px;
    height: 240px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--border-soft);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.profile-image-wrapper:hover {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 25px rgba(0, 240, 255, 0.25);
}

.profile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Social Media Channels Row Configuration */
.profile-socials {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.social-icon-link {
    width: 44px;
    height: 44px;
    background: var(--bg-dark-secondary);
    border: 1px solid var(--border-soft);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 1.1rem;
    text-decoration: none;
    transition: all 0.2s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.social-icon-link:hover {
    color: var(--bg-dark-primary);
    background: var(--accent-cyan);
    border-color: var(--accent-cyan);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 240, 255, 0.3);
}

/* Bio Copy & Mini Badges Settings */
.about-bio .bio-lead {
    font-size: 1.2rem;
    line-height: 1.7;
    color: #e2e8f0;
    margin-bottom: 20px;
    font-weight: 500;
}

.about-bio .bio-body {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-muted);
    margin-bottom: 25px;
}

.about-badges-mini {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.mini-badge {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-soft);
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--text-primary);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.mini-badge i {
    color: var(--accent-cyan);
}

/* Responsive Micro-Engine Breakpoint Mapping */
@media (max-width: 768px) {
    .about-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-profile-column {
        margin-bottom: 10px;
    }
}

/* ==========================================================================
   chat bot
   ========================================================================== */
/* --- AI ASSISTANT LAYOUT MATRIX --- */
:root {
    --chat-bg-main: #0b1528;
    --chat-bg-surface: #132238;
    --chat-cyan: #00f0ff;
    --chat-muted: #8b9bb4;
    --chat-border: rgba(0, 240, 255, 0.15);
}

.portfolio-chat-fab-trigger {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--chat-cyan);
    border: none;
    color: var(--chat-bg-main);
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(0, 240, 255, 0.3);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.portfolio-chat-fab-trigger svg { width: 26px; height: 26px; }
.portfolio-chat-fab-trigger:hover { transform: scale(1.08); }

.portfolio-chat-canvas {
    position: fixed;
    bottom: 105px;
    right: 30px;
    width: 380px;
    height: 520px;
    background: var(--chat-bg-surface);
    border: 1px solid var(--chat-border);
    border-radius: 16px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
    display: none;
    flex-direction: column;
    overflow: hidden;
    z-index: 2000;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.portfolio-chat-canvas.window-active {
    display: flex;
    opacity: 1;
    transform: translateY(0);
}

.chat-engine-header {
    background: rgba(0, 240, 255, 0.04);
    padding: 16px 20px;
    border-bottom: 1px solid var(--chat-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.engine-status-block { display: flex; align-items: center; gap: 12px; }
.pulse-node { width: 10px; height: 10px; background: #39ff14; border-radius: 50%; box-shadow: 0 0 8px #39ff14; }
.status-labels h4 { margin: 0; font-size: 0.95rem; color: #ffffff; }
.status-labels p { margin: 0; font-size: 0.75rem; color: var(--chat-cyan); }
.engine-close-trigger { background: transparent; border: none; color: var(--chat-muted); font-size: 1.6rem; cursor: pointer; }

.chat-engine-feed {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
    background: rgba(11, 21, 40, 0.3);
}

.chat-bubble { max-width: 85%; padding: 12px 16px; border-radius: 14px; font-size: 0.9rem; line-height: 1.5; }
.system-bubble { background: rgba(255, 255, 255, 0.03); color: #cbd5e1; align-self: flex-start; border-top-left-radius: 2px; border: 1px solid rgba(255, 255, 255, 0.05); }
.client-bubble { background: var(--chat-cyan); color: var(--chat-bg-main); align-self: flex-end; border-top-right-radius: 2px; font-weight: 500; }
.ai-bubble { background: rgba(0, 240, 255, 0.07); color: #ffffff; align-self: flex-start; border-top-left-radius: 2px; border: 1px solid rgba(0, 240, 255, 0.1); }

.chat-engine-input-bar { padding: 16px 20px; border-top: 1px solid var(--chat-border); display: flex; gap: 12px; background: var(--chat-bg-main); }
#chatInputControl { flex: 1; background: rgba(255, 255, 255, 0.03); border: 1px solid rgba(255, 255, 255, 0.08); padding: 12px 16px; border-radius: 8px; color: #ffffff; font-size: 0.9rem; }
#chatInputControl:focus { outline: none; border-color: var(--chat-cyan); }

#sendChatPayloadTrigger {
    background: rgba(0, 240, 255, 0.05);
    border: 1px solid rgba(0, 240, 255, 0.2);
    color: var(--chat-cyan);
    width: 44px;
    height: 44px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}
#sendChatPayloadTrigger:hover { background: var(--chat-cyan); color: var(--chat-bg-main); }

@media (max-width: 480px) {
    .portfolio-chat-canvas { width: calc(100vw - 30px); height: calc(100vh - 120px); bottom: 95px; right: 15px; }
}

/* ==========================================================================
   ANIMAION TO HERO TXT
   ========================================================================== */
   
/*======================
/* --- THE MOBILE VIEWPORT SHIFT BREAKPOINT (max-width: 992px) --- */
@media (max-width: 992px) {
    header.navbar .mobile-nav-toggle {
        display: flex !important; /* Force displays the element box on mobile */
    }

    header.navbar .nav-action-desktop {
        display: none !important;
    }

    /* Target with full structural path to establish maximum specificity */
    header.navbar .nav-pipeline {
        position: fixed;
        top: 0;
        right: -100% !important; /* Default hidden offscreen position */
        width: 300px;
        height: 100vh;
        background-color: #132238; 
        border-left: 1px solid rgba(0, 240, 255, 0.15);
        padding: 110px 40px 40px 40px;
        margin: 0; 
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        box-shadow: -15px 0 40px rgba(0, 0, 0, 0.6);
        transition: right 0.4s cubic-bezier(0.25, 0.8, 0.25, 1) !important;
        z-index: 1090;
    }

    /* THE CRITICAL SPECIFICITY FIX: Matches the exact absolute structural path above */
    header.navbar .nav-pipeline.nav-active {
        right: 0 !important; /* Absolutely forces the drawer onto the mobile viewport screen */
    }

    header.navbar .nav-links {
        flex-direction: column;
        gap: 24px;
        width: 100%;
        padding: 0;
        list-style: none;
    }

    header.navbar .nav-links a {
        font-size: 1.2rem;
        display: block;
        padding: 6px 0;
        width: 100%;
        color: #8b9bb4;
        text-decoration: none;
    }

    header.navbar .nav-action-mobile {
        display: block;
        width: 100%;
        margin-top: 40px;
        padding-top: 25px;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    
    header.navbar .nav-action-mobile .btn {
        display: block;
        width: 100%;
        text-align: center;
    }

    /* Morphing close states */
    header.navbar .mobile-nav-toggle.toggle-active .hamburger-line:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
        background-color: #00f0ff !important;
    }
    header.navbar .mobile-nav-toggle.toggle-active .hamburger-line:nth-child(2) {
        opacity: 0 !important;
    }
    header.navbar .mobile-nav-toggle.toggle-active .hamburger-line:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
        background-color: #00f0ff !important;
    }
}
/* 1. Reset sizing safely without freezing mobile viewport scrolling */
*, *::before, *::after {
    box-sizing: border-box;
}

/* 2. Responsive Mobile Layout Adjustments (Screens 768px and smaller) */
@media screen and (max-width: 768px) {
    
    /* FIX 1: Add top spacing so "HIGH-PERFORMANCE WEB SYSTEMS" clears the sticky navbar */
    .hero {
        padding-top: 100px !important; /* Offset for sticky nav height */
        padding-bottom: 40px !important;
        flex-direction: column;
        text-align: center;
    }

    /* Hero title font size reduction for mobile screens */
    .hero-title {
        font-size: 1.8rem !important;
        line-height: 1.25 !important;
        word-wrap: break-word;
    }

    .hero-title span {
        font-size: inherit;
    }

    .services-grid {
        display: flex !important;
        flex-direction: column !important;
        gap: 20px;
    }

    #gemini-chat-popup {
        width: calc(100vw - 30px) !important;
        right: 15px !important;
        bottom: 85px !important;
    }
}

/* ==========================================================================
   RESUME DOWNLOAD BUTTON
   ========================================================================== */
#download-resume-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.9rem 2rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: var(--bg-dark);
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.95rem;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

#download-resume-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

#download-resume-btn:hover::before {
    width: 300px;
    height: 300px;
}

#download-resume-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 188, 212, 0.3);
}

#download-resume-btn i {
    transition: transform 0.3s ease;
}

#download-resume-btn:hover i {
    transform: translateY(-2px);
}