/*
================================================================
   ITODO GODWIN ATEKO - PREMIUM PORTFOLIO DESIGN SYSTEM
   Aesthetic: Absolute Black, Stark White, Gunmetal Grey
================================================================
*/

@font-face {
    font-family: 'TrajanPro-Bold';
    src: url('../font/TrajanPro-Bold.otf') format('opentype');
    font-weight: bold;
    font-style: normal;
}

@font-face {
    font-family: 'Trajan Pro';
    src: url('../font/TrajanPro-Regular.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'TrajanPro-Regular';
    src: url('../font/TrajanPro-Regular.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@700;900&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* Empower Nigeria Authority & Boldness Palette */
    --black: #000000;
    --dark-grey: #121212; /* Gunmetal grey card backgrounds */
    --grey: #888888;
    --light-grey: #cccccc;
    --white: #ffffff;
    --accent: #ffffff;
    
    /* Standardized variables mapping for instant UI theme propagation */
    --bg-base: var(--black);
    --bg-surface: var(--dark-grey);
    --bg-surface-hover: #1e1e1e;
    --border-color: #2c2c2c;
    --border-color-active: var(--white);
    
    --text-primary: var(--white);
    --text-secondary: var(--light-grey);
    --text-muted: var(--grey);
    
    /* Silver & Monochromatic Gradients */
    --gradient-fullstack: linear-gradient(135deg, var(--white) 0%, var(--grey) 100%);
    --gradient-ai: linear-gradient(135deg, var(--white) 0%, var(--dark-grey) 100%);
    --gradient-glow: radial-gradient(circle, rgba(255, 255, 255, 0.03) 0%, transparent 70%);
    
    --accent-cyan: var(--white);
    --accent-cyan-bg: rgba(255, 255, 255, 0.05);
    --accent-purple: var(--light-grey);
    --accent-purple-bg: rgba(255, 255, 255, 0.05);
    --accent-green: var(--grey);
    
    /* Fonts */
    --font-heading: 'TrajanPro-Bold', 'Trajan Pro', 'Cinzel', serif;
    --font-body: 'Inter', sans-serif;
    
    /* Transition */
    --transition-smooth: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

/* Ambient Background Glows */
body::before {
    content: '';
    position: absolute;
    top: -10%;
    left: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.04) 0%, transparent 60%);
    z-index: -1;
    pointer-events: none;
}

body::after {
    content: '';
    position: absolute;
    bottom: 10%;
    right: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.02) 0%, transparent 60%);
    z-index: -1;
    pointer-events: none;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--white);
    margin-bottom: 1.5rem;
}

h1 {
    font-size: 4.5rem;
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: 4px; /* Extended tracking for maximum authority */
}

h2 {
    font-size: 2.25rem;
    font-weight: 900;
    letter-spacing: 3px;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50% !important;
    transform: translateX(-50%) !important;
    width: 80px; /* Wider accent bar */
    height: 4px; /* Thicker and bolder accent bar */
    background: var(--gradient-fullstack);
    border-radius: 2px;
}

h2.ai-header::after {
    background: var(--gradient-ai);
}

p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    font-weight: 300;
}

/* Navbar */
.nav-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(6, 9, 19, 0.7);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 1.2rem 0;
    transition: var(--transition-smooth);
}

.nav-header.scrolled {
    padding: 0.8rem 0;
    background: rgba(6, 9, 19, 0.85);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

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

.logo {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.4rem;
    text-decoration: none;
    background: var(--gradient-fullstack);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    font-family: 'TrajanPro-Regular', 'Trajan Pro', 'Cinzel', serif;
    font-weight: normal;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: var(--transition-smooth);
}

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

.nav-links a.active {
    background: var(--gradient-fullstack);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
}

/* Navigation Hamburger Toggle Button */
.nav-toggle {
    display: none; /* Hidden on desktop */
    background: none;
    border: none;
    cursor: pointer;
    position: relative; /* Position relative for expanded touch target */
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 16px;
    padding: 0;
    z-index: 101;
}

/* Expanded invisible touch target to satisfy 48px x 48px modern mobile accessibility requirements */
.nav-toggle::after {
    content: '';
    position: absolute;
    top: -16px;
    left: -12px;
    right: -12px;
    bottom: -16px;
}

/* Premium hover micro-interaction - bars glow cyan */
.nav-toggle:hover .bar {
    background-color: var(--accent-cyan);
}

.nav-toggle .bar {
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: 4px;
    transition: var(--transition-smooth);
    transform-origin: left center;
}

/* Morphing hamburger lines into "X" when active */
.nav-toggle.active .bar:nth-child(1) {
    transform: rotate(45deg) translateY(-2px);
    background: var(--accent-cyan);
}

.nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
    transform: scale(0);
}

.nav-toggle.active .bar:nth-child(3) {
    transform: rotate(-45deg) translateY(2px);
    background: var(--accent-cyan);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 8rem;
    padding-bottom: 4rem;
    position: relative;
}

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

.hero-content h4 {
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--accent-cyan);
    margin-bottom: 1rem;
    font-weight: 600;
}

.mobile-only-hero-title {
    display: none;
}

.hero-content h1 span {
    background: var(--gradient-fullstack);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 2px 20px rgba(255, 255, 255, 0.3)); /* Premium silver/white glow */
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-top: 1.5rem;
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

.hero-meta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.meta-item svg {
    color: var(--accent-cyan);
}

/* Profile Photo Container */
.profile-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.profile-glow {
    position: absolute;
    width: 110%;
    height: 110%;
    background: var(--gradient-fullstack);
    filter: blur(40px);
    opacity: 0.3;
    border-radius: 50%;
    z-index: -1;
}

/* Profile Avatar Container & SVG Styles */
.profile-icon-container {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #080d1a;
    border-radius: 18px;
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.profile-svg {
    width: 100%;
    height: 100%;
    max-width: 270px;
    max-height: 270px;
}

/* Keyframe Animations for SVG Components */
@keyframes rotateCW {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

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

@keyframes visorPulse {
    0%, 100% { 
        filter: drop-shadow(0 0 2px rgba(255, 255, 255, 0.8)) drop-shadow(0 0 4px rgba(255, 255, 255, 0.5));
        opacity: 0.95;
    }
    50% { 
        filter: drop-shadow(0 0 8px rgba(228, 228, 230, 0.8)) drop-shadow(0 0 16px rgba(228, 228, 230, 0.5));
        opacity: 1;
    }
}

@keyframes floatLeft {
    0%, 100% { transform: translate(0px, 0px) scale(1); }
    50% { transform: translate(-3px, -2px) scale(1.08); }
}

@keyframes floatRight {
    0%, 100% { transform: translate(0px, 0px) scale(1); }
    50% { transform: translate(3px, 2px) scale(1.08); }
}

.rotator-fast {
    transform-origin: 100px 100px;
    animation: rotateCW 18s linear infinite;
}

.rotator-slow {
    transform-origin: 100px 100px;
    animation: rotateCCW 32s linear infinite;
}

.visor-glow {
    animation: visorPulse 4s ease-in-out infinite;
}

.floating-tag-left {
    animation: floatLeft 5s ease-in-out infinite;
}

.floating-tag-right {
    animation: floatRight 5s ease-in-out infinite;
}

/* Interactive Card Effects */
.profile-card {
    position: relative;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    padding: 8px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.3) 0%, rgba(255, 255, 255, 0.08) 100%);
    border: 3px solid #ffffff !important; /* Stark white outline frame */
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    overflow: hidden;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
}

.profile-card:hover {
    transform: translateY(-5px);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.6) 0%, rgba(255, 255, 255, 0.15) 100%);
    box-shadow: 0 25px 50px -10px rgba(255, 255, 255, 0.15);
}

.profile-img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: 80% center;
    border-radius: 50%;
    background-color: #121214;
    transition: var(--transition-smooth);
}

.profile-card:hover .profile-img {
    transform: scale(1.04);
}

/* Buttons */
.btn-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 2.5rem;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: bold;
    border-radius: 0 !important; /* Sharp corners for authority */
    text-decoration: none;
    cursor: pointer;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--white) !important;
    color: var(--black) !important;
    border: none !important;
    box-shadow: none !important;
}

.btn-primary:hover {
    background: var(--grey) !important;
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent !important;
    color: var(--white) !important;
    border: 1px solid var(--white) !important;
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1) !important;
    transform: translateY(-2px);
}

/* Section Common Styling */
.section {
    padding: 8rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
}

.section-title-wrapper {
    text-align: center;
    margin-bottom: 4rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.section-desc {
    margin-top: 1rem;
    max-width: 600px;
    color: var(--text-secondary);
}

/* Skill Badges & Stack */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.skill-category-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 0; /* Sharp corners for authority */
    padding: 2.5rem;
    backdrop-filter: blur(16px);
    transition: var(--transition-smooth);
}

.skill-category-card:hover {
    border-color: var(--white);
    background: var(--bg-surface-hover);
    transform: translateY(-4px);
}

.skill-category-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.skill-category-card.fs h3 {
    color: var(--accent-cyan);
}

.skill-category-card.ai h3 {
    color: var(--accent-purple);
}

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

.badge {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 0; /* Sharp corners for authority */
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.03);
    transition: var(--transition-smooth);
}

.badge:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.05);
}

.badge-fs:hover {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.15);
}

.badge-ai:hover {
    border-color: var(--accent-purple);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.15);
}

/* Machine Learning Projects */
.ml-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2rem;
}

.ml-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 0; /* Sharp corners for authority */
    padding: 2.5rem;
    position: relative;
    backdrop-filter: blur(16px);
    transition: var(--transition-smooth);
    overflow: hidden;
}

.ml-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-ai);
    opacity: 0.8;
}

.ml-card:hover {
    transform: translateY(-6px);
    border-color: var(--white);
    box-shadow: 0 20px 40px -15px rgba(255, 255, 255, 0.1);
}

.ml-icon {
    width: 50px;
    height: 50px;
    border-radius: 0; /* Sharp corners for authority */
    background: rgba(255, 255, 255, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.ml-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.ml-card p {
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.ml-subtitle {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent-cyan);
    margin-top: -0.5rem;
    margin-bottom: 1.25rem;
}

.ml-bullets {
    list-style: none;
    margin-bottom: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.ml-bullets li {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.5;
    position: relative;
    padding-left: 1.25rem;
}

.ml-bullets li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-purple);
    font-weight: bold;
    font-size: 1.2rem;
    top: -2px;
}

.tag-row {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.tag-mini {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    font-size: 0.75rem;
    padding: 0.25rem 0.65rem;
    border-radius: 0; /* Sharp corners for authority */
    font-weight: 500;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-purple);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition-smooth);
}

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

.project-link svg {
    transition: var(--transition-smooth);
}

.project-link:hover svg {
    transform: translateX(3px);
}

/* Website Projects (Dynamic Live Thumbnails) */
.web-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2.5rem;
}

.web-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 0; /* Sharp corners for authority */
    overflow: hidden;
    backdrop-filter: blur(16px);
    transition: var(--transition-smooth);
}

.web-card:hover {
    transform: translateY(-6px);
    border-color: var(--white);
    box-shadow: 0 20px 40px -15px rgba(255, 255, 255, 0.1);
}

.thumbnail-container {
    width: 100%;
    height: 220px;
    position: relative;
    background-color: #0e0e10;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
}

.thumbnail-iframe-overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: linear-gradient(to bottom, rgba(6, 9, 19, 0.1) 0%, rgba(6, 9, 19, 0.7) 100%);
    z-index: 2;
    pointer-events: none;
}

.web-thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.web-card:hover .web-thumbnail {
    transform: scale(1.04);
}

/* Loading Shimmer for thumbnails */
.thumbnail-loader {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, #0e1628 25%, #18233c 50%, #0e1628 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-family: var(--font-heading);
    letter-spacing: 0.05em;
    transition: opacity 0.5s ease;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.web-card-content {
    padding: 2rem;
}

.web-card-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.web-card-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.web-tag-mini {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    font-size: 0.75rem;
    padding: 0.25rem 0.65rem;
    border-radius: 0; /* Sharp corners for authority */
    font-weight: 500;
}

.web-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-cyan);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition-smooth);
}

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

.web-link svg {
    transition: var(--transition-smooth);
}

.web-link:hover svg {
    transform: translateX(3px);
}

/* Graphics Design Gallery (Flyers) */
.gallery-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: var(--bg-surface);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: 0.65rem 1.75rem;
    border-radius: 0; /* Sharp corners for authority */
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
}

.filter-btn:hover {
    background: var(--bg-surface-hover);
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.filter-btn.active {
    background: var(--gradient-fullstack);
    color: #000000; /* Rich black text on silver-white gradient for maximum contrast */
    border-color: transparent;
    box-shadow: 0 10px 20px -5px rgba(255, 255, 255, 0.1);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    transition: var(--transition-smooth);
}

.gallery-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 0; /* Sharp corners for authority */
    overflow: hidden;
    backdrop-filter: blur(16px);
    display: flex;
    flex-direction: column;
    opacity: 1;
    transform: scale(1);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

.gallery-card.hide-fade {
    opacity: 0;
    transform: scale(0.92);
}

.gallery-card.hide-layout {
    display: none !important;
}

.gallery-card:hover {
    transform: translateY(-6px);
    border-color: var(--white);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.gallery-img-container {
    width: 100%;
    height: 380px;
    background-color: #0e0e10;
    overflow: hidden;
    position: relative;
}

.gallery-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-card:hover .gallery-img {
    transform: scale(1.05);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(6, 9, 19, 0.6);
    opacity: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.gallery-card:hover .gallery-overlay {
    opacity: 1;
}

.zoom-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: #ffffff;
    color: #000000;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
    transition: var(--transition-smooth);
}

.zoom-btn:hover {
    transform: scale(1.1);
}

.gallery-info {
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--border-color);
}

.gallery-info h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.gallery-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Contact Section */
.contact-grid {
    display: flex;
    justify-content: center;
    width: 100%;
}

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

.contact-card-mini {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 0; /* Sharp corners for authority */
    padding: 1.75rem;
    backdrop-filter: blur(16px);
    display: flex;
    align-items: center;
    gap: 1.25rem;
    text-decoration: none;
    transition: var(--transition-smooth);
}

.contact-card-mini:hover {
    background: var(--bg-surface-hover);
    border-color: var(--white);
    transform: translateX(4px);
}

.contact-icon-wrapper {
    width: 50px;
    height: 50px;
    border-radius: 0; /* Sharp corners for authority */
    background: rgba(255, 255, 255, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: var(--transition-smooth);
}

.contact-card-mini:hover .contact-icon-wrapper {
    background: #ffffff;
    color: #000000;
}

.contact-details h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

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

/* Glassmorphism Form */
.contact-form {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 0; /* Sharp corners for authority */
    padding: 3rem;
    backdrop-filter: blur(16px);
    width: 100%;
    max-width: 750px;
    margin: 0 auto;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.form-group label {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    letter-spacing: 2px;
    color: var(--grey);
    margin-bottom: 0.5rem;
    display: block;
    text-transform: uppercase;
}

.form-group input,
.form-group textarea {
    width: 100%;
    background: var(--black) !important;
    border: 1px solid #333 !important;
    border-radius: 0 !important; /* Sharp corners for authority */
    padding: 1.2rem !important;
    color: var(--white) !important;
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--white) !important;
    box-shadow: none !important;
    background: var(--black) !important;
}

.section-divider {
    border: 0;
    height: 2px;
    background: #ffffff !important;
    opacity: 0.85 !important;
    margin: 0;
}

/* Footer Styling */
.footer {
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    padding: 5rem 0 3rem;
    background: #060606;
}

.footer-content-centered {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.footer-socials {
    display: flex;
    gap: 1.5rem;
}

.social-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.social-icon:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    transform: translateY(-3px);
}

.social-icon.li:hover {
    border-color: #0077b5;
    color: #0077b5;
    box-shadow: 0 0 15px rgba(0, 119, 181, 0.2);
}

.social-icon.gh:hover {
    border-color: #ffffff;
    color: #ffffff;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.2);
}

.social-icon.fb:hover {
    border-color: #1877f2;
    color: #1877f2;
    box-shadow: 0 0 15px rgba(24, 119, 242, 0.2);
}

.social-icon.wa:hover {
    border-color: #25d366;
    color: #25d366;
    box-shadow: 0 0 15px rgba(37, 211, 102, 0.2);
}

.footer-bottom-centered {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 2rem;
    margin-top: 2rem;
    width: 100%;
    text-align: center;
}

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

/* Lightbox Modal (for viewing graphics flyer full-screen) */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(3, 5, 10, 0.95);
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.4s ease;
    backdrop-filter: blur(10px);
}

.lightbox.active {
    opacity: 1;
    pointer-events: auto;
}

.lightbox-content {
    max-width: 90%;
    max-height: 85%;
    position: relative;
    transform: scale(0.95);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.lightbox.active .lightbox-content {
    transform: scale(1);
}

.lightbox-img {
    max-width: 100%;
    max-height: 80vh;
    border-radius: 0; /* Sharp corners for authority */
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.lightbox-close {
    position: absolute;
    top: -45px;
    right: 0;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    font-family: var(--font-heading);
    transition: var(--transition-smooth);
}

.lightbox-close:hover {
    color: var(--text-primary);
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
    h1 { font-size: 3rem; }
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    .hero-subtitle { max-width: 700px; margin-left: auto; margin-right: auto; }
    .hero-meta { justify-content: center; }
    .btn-group { justify-content: center; }
    .profile-wrapper { order: -1; }
    .profile-card {
        width: 300px;
        height: 300px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    /* Set html and body elements bounds to eliminate horizontal scroll strictly */
    html, body {
        overflow-x: hidden !important;
        width: 100% !important;
        position: relative;
    }

    /* Force all sections and footers to stretch 100% full screen width with no padding stack */
    section, .section, footer, .footer {
        width: 100% !important;
        max-width: none !important;
        padding-left: 0 !important;
        padding-right: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
    }

    /* Set standard comfortable mobile container spacing (1.25rem side padding) to prevent edge cutoffs */
    .container, .nav-container {
        width: 100% !important;
        max-width: none !important;
        padding-left: 1.25rem !important;
        padding-right: 1.25rem !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
    }

    /* Ensure text wrapping is forced everywhere to prevent content cutoffs */
    h1, h2, h3, h4, h5, h6, p, span, a, label, input, textarea {
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        max-width: 100% !important;
    }

    /* Typographic & Scale Reductions */
    h1 { font-size: 1.4rem !important; text-align: center; }
    h2 { font-size: 1.5rem !important; text-align: center; }
    h2::after {
        left: 50% !important;
        transform: translateX(-50%) !important;
    }
    h3 { font-size: 1.2rem !important; text-align: center; }
    h4 { font-size: 0.85rem !important; text-align: center; }
    
    .section-title-wrapper {
        text-align: center;
        padding: 0 0.5rem !important; /* visual padding */
    }
    .section-desc { text-align: center; max-width: 100% !important; margin: 0 auto; }
    
    /* Hero Layout Mobile Positioning */
    .hero-grid {
        display: flex !important;
        flex-direction: column !important;
    }

    .mobile-only-hero-title {
        display: block !important;
        text-align: center !important;
        font-family: var(--font-heading);
        font-size: 0.85rem !important;
        color: var(--accent-cyan) !important;
        letter-spacing: 2px !important;
        text-transform: uppercase !important;
        margin-bottom: 2rem !important;
        width: 100% !important;
        order: -2 !important; /* Renders at the absolute top of the hero section */
    }

    .hero-content h4 {
        display: none !important; /* Hide desktop h4 subtitle on mobile */
    }

    .profile-wrapper {
        width: 100%;
        display: flex;
        justify-content: center;
        margin-bottom: 2rem;
        order: -1 !important; /* Renders in the middle, below mobile h4 but above name */
    }

    /* Hero Content Centering & Alignment */
    .hero-content {
        text-align: center;
        padding: 0 0.5rem !important;
        order: 0 !important; /* Renders at the bottom */
    }
    .hero-subtitle { text-align: center; max-width: 100%; margin-left: auto; margin-right: auto; }
    .hero-meta { justify-content: center; flex-direction: column; gap: 0.75rem; align-items: center; }
    .btn-group { justify-content: center; }
    
    /* Button Sizing Reductions */
    .btn {
        font-size: 0.75rem !important;
        padding: 0.65rem 1.3rem !important;
        letter-spacing: 1px !important;
    }
    
    .filter-btn {
        font-size: 0.75rem !important;
        padding: 0.5rem 1.2rem !important;
    }
    
    /* Increased Mobile Profile Card Diameter */
    .profile-card {
        width: 240px !important;
        height: 240px !important;
        border-radius: 50% !important;
    }
    
    /* Unified Layout Grid Centering (Set columns to 1fr to prevent overflow) */
    .skills-grid, .ml-grid, .web-grid, .gallery-grid, .contact-grid {
        grid-template-columns: 1fr !important;
        width: 100% !important;
        max-width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding-left: 0 !important;
        padding-right: 0 !important;
        justify-items: center !important;
        align-items: center !important;
    }
    
    /* Padded Mobile Cards (Content is beautifully framed within the screen bounds) */
    .web-card, .ml-card, .skill-category-card, .gallery-card {
        max-width: 100% !important;
        width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
    }

    /* Elegant framing padding and object fit for flyer images so they never crop/cut off on mobile screens */
    .gallery-img-container {
        height: 340px !important;
        padding: 0.75rem !important;
        background-color: #000000 !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
    }

    .gallery-img {
        object-fit: contain !important;
        width: 100% !important;
        height: 100% !important;
    }
    
    /* Center Cards & Cloud Elements */
    .badge-cloud { justify-content: center; }
    .tag-row { justify-content: center; }
    
    /* Skills Card Centering & Padding adjustments */
    .skill-category-card {
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: 2rem 1.5rem !important;
    }
    .skill-category-card h3 {
        justify-content: center !important;
        width: 100%;
    }
    
    /* Machine Learning Cards Left-Alignment Override on Smaller Devices */
    .ml-card {
        text-align: left !important;
        display: flex;
        flex-direction: column;
        align-items: flex-start !important;
        padding: 2.5rem 1.5rem !important;
    }
    .ml-card h3 {
        text-align: left !important;
        width: 100% !important;
    }
    .ml-card .ml-subtitle {
        text-align: left !important;
        width: 100% !important;
        margin-bottom: 1rem !important;
    }
    .ml-bullets {
        list-style-type: disc !important;
        text-align: left !important;
        padding-left: 1.25rem !important;
        max-width: 100% !important;
        margin: 0 0 1.5rem 0 !important;
    }
    .ml-bullets li {
        text-align: left !important;
        margin-bottom: 0.6rem;
    }
    .ml-card .tag-row {
        justify-content: flex-start !important;
        width: 100%;
    }
    .ml-card .project-link {
        align-self: flex-start !important;
    }
    
    /* Full-Stack Web Cards Centering & Padding */
    .web-card-content {
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: 2rem 1.5rem !important;
    }
    
    /* Contact Section Layout Centering */
    .contact-info-panel {
        align-items: center;
        text-align: center;
        width: 100% !important;
    }
    .contact-card-mini {
        flex-direction: column !important;
        align-items: center !important;
        text-align: center !important;
        padding: 1.5rem !important;
        gap: 0.75rem !important;
        width: 100% !important;
        max-width: 100% !important;
        justify-content: center;
    }
    .contact-icon-wrapper {
        margin: 0 auto !important;
    }
    .btn-group-vertical {
        align-items: center;
        width: 100% !important;
        padding: 0 !important;
    }
    
    /* Centered Contact Form Elements with edge alignment */
    .form-group label {
        text-align: center !important;
    }
    .form-group input,
    .form-group textarea {
        text-align: center !important;
    }
    
    /* Hamburger Navigation Dropdown */
    .nav-toggle {
        display: flex; /* Show hamburger button */
        margin-right: 0 !important;
    }
    
    .nav-header {
        padding: 0 !important;
    }
    
    .nav-links {
        position: fixed;
        top: -100vh; /* Hidden offscreen by default */
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(6, 9, 19, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2.5rem;
        z-index: 100;
        transition: top 0.5s cubic-bezier(0.16, 1, 0.3, 1);
        border-bottom: 1px solid var(--border-color);
        pointer-events: none;
    }
    
    .nav-links.active {
        top: 0; /* Slide down into view */
        pointer-events: auto;
    }
    
    .nav-links a {
        font-size: 1.3rem;
        font-family: 'TrajanPro-Regular', 'Trajan Pro', 'Cinzel', serif;
        font-weight: normal;
        text-transform: uppercase;
        letter-spacing: 0.1em;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        padding: 2rem 1.5rem !important;
    }
    
    .section {
        padding: 4rem 0 !important;
    }
}

/* Accessibility screen-reader only class (invisible but fully crawlable by Google search bots) */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Scroll to Top Fixed Button with Circular Progress */
.scroll-to-top {
    position: fixed;
    bottom: 2.5rem;
    right: 2.5rem;
    width: 48px;
    height: 48px;
    border: none;
    background: #000000;
    color: #ffffff;
    border-radius: 50% !important; /* Forces it to remain a perfect circle */
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(15px);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
}

.scroll-to-top.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    background: #111111;
    transform: scale(1.05);
}

.scroll-to-top .progress-circle {
    position: absolute;
    top: 0;
    left: 0;
    transform: rotate(-90deg); /* Progress starts at top center */
    width: 100%;
    height: 100%;
}

.scroll-to-top .progress-bg {
    fill: none;
    stroke: rgba(255, 255, 255, 0.08);
    stroke-width: 2.5;
}

.scroll-to-top .progress-bar {
    fill: none;
    stroke: #ffffff;
    stroke-width: 2.5;
    stroke-linecap: square; /* Maintain solid outline design */
    stroke-dasharray: 138.2; /* 2 * pi * r (r=22) */
    stroke-dashoffset: 138.2;
    transition: stroke-dashoffset 0.1s linear;
}

.scroll-to-top .arrow-up {
    position: relative;
    z-index: 2;
    transition: transform 0.3s ease;
}

.scroll-to-top:hover .arrow-up {
    transform: translateY(-2px);
}

/* Adjust button placement on smaller screens so it doesn't overlap elements */
@media (max-width: 768px) {
    .scroll-to-top {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 44px;
        height: 44px;
    }
}

/* Dynamic Custom Modal (Success Message Alert) */
.custom-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.custom-modal.active {
    opacity: 1;
    visibility: visible;
}

.custom-modal-content {
    background: #121212;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 0 !important; /* Emphasize monumental sharp-edge authority design */
    padding: 3rem 2.5rem;
    max-width: 440px;
    width: 90%;
    text-align: center;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.8);
    transform: scale(0.9) translateY(20px);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.custom-modal.active .custom-modal-content {
    transform: scale(1) translateY(0);
}

.modal-status-icon {
    width: 64px;
    height: 64px;
    border-radius: 50% !important;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.custom-modal-content h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    color: #ffffff;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.custom-modal-content p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}