/* ==========================================================================
   DanlamiPro Enterprise Design System & Styling
   ========================================================================== */

:root {
    --bg-main: #0A0F1F;            /* Primary Dark */
    --bg-secondary: #111827;       /* Secondary Dark */
    --bg-card: #1A2238;            /* Card Background */
    --bg-card-hover: #23304A;       /* Card Hover */
    --bg-nav: rgba(10, 15, 31, 0.95);
    
    --text-main: #F8FAFC;          /* Text Primary */
    --text-secondary: #CBD5E1;     /* Text Secondary */
    --text-muted: #94A3B8;         /* Text Muted */
    --text-inverse: #0A0F1F;
    
    --primary-color: #00C2FF;      /* Primary Accent Cyan */
    --primary-hover: #38D9FF;      /* Hover Accent Cyan */
    --secondary-accent: #7C3AED;   /* Purple Accent */
    --primary-glow: rgba(0, 194, 255, 0.3);
    
    --border-color: rgba(0, 194, 255, 0.15);
    --border-hover: rgba(0, 194, 255, 0.40);
    
    --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 10px 20px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 20px 30px rgba(0, 0, 0, 0.6);
    
    --radius-sm: 6px;
    --radius: 12px;
    --radius-full: 9999px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Overrides */
[data-theme="light"] {
    --bg-main: #f8fafc;
    --bg-secondary: #f1f5f9;
    --bg-card: #ffffff;
    --bg-card-hover: #e2e8f0;
    --bg-nav: rgba(255, 255, 255, 0.95);
    
    --text-main: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    --text-inverse: #ffffff;
    
    --primary-color: #0284c7;
    --primary-hover: #0369a1;
    --secondary-accent: #6d28d9;
    --primary-glow: rgba(2, 132, 199, 0.2);
    
    --border-color: #cbd5e1;
    --border-hover: #0284c7;
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-main);
    background-color: var(--bg-main);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

/* Scroll Progress Bar */
#scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-accent));
    width: 0%;
    z-index: 1000;
    transition: width 0.1s ease-out;
}

/* Container & Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 90px 0;
    background: linear-gradient(180deg, var(--bg-main) 0%, var(--bg-secondary) 100%);
}

.section-heading {
    text-align: center;
    margin-bottom: 50px;
}

.section-heading h2 {
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 12px;
    color: var(--text-main);
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 680px;
    margin: 0 auto 16px auto;
    line-height: 1.6;
}

.divider {
    height: 4px;
    width: 60px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-accent));
    margin: 0 auto;
    border-radius: 2px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.25;
    color: var(--text-main);
}

.highlight {
    color: var(--primary-color);
    background: linear-gradient(135deg, var(--primary-color), #38D9FF);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Buttons System */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    outline: none;
}

.btn-primary {
    background: linear-gradient(135deg, #00C2FF 0%, #0EA5E9 100%);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(0, 194, 255, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #38D9FF 0%, #0284C7 100%);
    transform: scale(1.03);
    box-shadow: 0 6px 20px rgba(0, 194, 255, 0.45);
}

.btn-outline {
    background: transparent;
    color: #00C2FF;
    border: 2px solid #00C2FF;
}

.btn-outline:hover {
    background: rgba(0, 194, 255, 0.1);
    color: #38D9FF;
    border-color: #38D9FF;
    transform: scale(1.03);
    box-shadow: 0 4px 14px rgba(0, 194, 255, 0.2);
}

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

.btn-ghost:hover {
    color: var(--primary-color);
    background: rgba(255, 255, 255, 0.05);
}

.btn-secondary {
    background-color: var(--bg-card);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--bg-card-hover);
    border-color: var(--primary-color);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.05rem;
}

/* Navbar */
.navbar {
    background-color: var(--bg-nav);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 999;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 76px;
}

.logo {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    background-color: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #10b981;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: 12px;
}

.pulse-dot {
    width: 7px;
    height: 7px;
    background-color: #10b981;
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }
    70% {
        transform: scale(1);
        box-shadow: 0 0 0 6px rgba(16, 185, 129, 0);
    }
    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-muted);
    position: relative;
    padding: 6px 0;
}

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

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

/* Navbar Dropdown */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    min-width: 190px;
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 100;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    display: block;
    padding: 10px 20px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.dropdown-menu a:hover {
    background-color: var(--bg-card-hover);
    color: var(--primary-color);
}

/* Theme Toggle Button */
.theme-toggle-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.theme-toggle-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.hamburger-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 90px 0 100px 0;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
}

.hero-text {
    flex: 1.2;
}

.hero-badge {
    display: inline-block;
    padding: 6px 14px;
    background-color: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.25);
    color: var(--primary-color);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 20px;
}

.tagline {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 36px;
    max-width: 540px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-image {
    flex: 0.8;
    display: flex;
    justify-content: center;
    position: relative;
}

.profile-wrapper {
    position: relative;
    width: 320px;
    height: 320px;
    animation: subtleFloat 5s ease-in-out infinite;
}

.profile-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 4px solid var(--bg-card);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
    position: relative;
    z-index: 2;
}

.profile-wrapper::before {
    content: '';
    position: absolute;
    inset: -20px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 194, 255, 0.45) 0%, rgba(124, 58, 237, 0.25) 50%, transparent 75%);
    z-index: 1;
    filter: blur(25px);
    animation: softGlowPulse 4s ease-in-out infinite alternate;
}

@keyframes subtleFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-7px); }
}

@keyframes softGlowPulse {
    0% { opacity: 0.6; transform: scale(0.97); }
    100% { opacity: 0.95; transform: scale(1.04); }
}

/* Statistics Counter Section */
.stats-section {
    background-color: var(--bg-card);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 50px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    text-align: center;
}

.stat-card {
    padding: 20px;
}

.stat-number {
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 500;
}

/* Services Grid & Cards */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 36px 30px;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-6px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.service-icon {
    width: 56px;
    height: 56px;
    background-color: rgba(6, 182, 212, 0.1);
    border-radius: var(--radius);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.service-card h3 {
    font-size: 1.35rem;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 20px;
    flex: 1;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.service-tag {
    background-color: var(--bg-main);
    color: var(--text-muted);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
}

/* Category Portals & Overview Cards */
.category-portals-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.category-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 32px 26px;
    text-align: center;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.category-card:hover {
    transform: translateY(-6px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.category-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.15), rgba(56, 189, 248, 0.05));
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.category-card h3 {
    font-size: 1.3rem;
    margin-bottom: 8px;
}

.category-count {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

/* Projects Section */
.project-filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    padding: 8px 20px;
    border-radius: var(--radius-full);
    transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #ffffff;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 30px;
}

.project-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-6px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.card-image {
    height: 210px;
    overflow: hidden;
    position: relative;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-card:hover .card-image img {
    transform: scale(1.06);
}

.sql-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1e293b, #0f172a);
    color: #38bdf8;
    height: 210px;
}

.card-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.card-content h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.card-content p {
    color: var(--text-muted);
    font-size: 0.92rem;
    margin-bottom: 18px;
    flex: 1;
}

.tool-tags {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.tag {
    background-color: var(--bg-main);
    color: var(--text-main);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 0.82rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
}

.tag.small {
    padding: 4px 12px;
    font-size: 0.78rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    border: none;
}

/* Technology Badge Colors System */
.tag.excel, .badge-excel {
    background-color: #22C55E !important;
    color: #ffffff !important;
}

.tag.powerbi, .badge-powerbi {
    background-color: #F2C811 !important;
    color: #0A0F1F !important;
    font-weight: 700 !important;
}

.tag.sql, .badge-sql {
    background-color: #3B82F6 !important;
    color: #ffffff !important;
}

.tag.tableau, .badge-tableau {
    background-color: #E97627 !important;
    color: #ffffff !important;
}

.tag.python, .badge-python {
    background-color: #306998 !important;
    color: #FFD43B !important;
    font-weight: 700 !important;
}

.tag.github, .badge-github {
    background-color: #64748B !important;
    color: #ffffff !important;
}

.tag.industry, .badge-industry {
    background-color: rgba(124, 58, 237, 0.15) !important;
    border: 1px solid rgba(124, 58, 237, 0.35) !important;
    color: #c084fc !important;
}

.card-action {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 14px;
    border-top: 1px solid var(--border-color);
}

/* ==========================================================================
   Full-Width Featured Showcase & Portfolio Highlights Slideshow
   ========================================================================== */
.slideshow-section {
    padding: 80px 0;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-main) 100%);
}

.slideshow-container {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: var(--radius);
    background: rgba(26, 34, 56, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-hover);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 194, 255, 0.12);
}

.slideshow-track {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
    width: 100%;
}

.slide-item {
    min-width: 100%;
    box-sizing: border-box;
    padding: 40px;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    align-items: center;
    opacity: 0.3;
    transform: scale(0.96);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-item.active {
    opacity: 1;
    transform: scale(1);
}

.slide-image-wrapper {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    height: 330px;
    background-color: var(--bg-main);
    cursor: pointer;
}

.slide-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.slide-item.active .slide-image-wrapper img {
    transform: scale(1.04);
}

.slide-content h3 {
    font-size: 2rem;
    font-weight: 800;
    margin: 14px 0 12px 0;
    color: var(--text-main);
}

.slide-badges {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.slide-description {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.6;
    margin-bottom: 24px;
}

.slide-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    align-items: center;
}

.slideshow-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(10, 15, 31, 0.85);
    border: 1px solid var(--border-color);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
    font-size: 1.4rem;
}

.slideshow-arrow:hover {
    background: var(--primary-color);
    color: #ffffff;
    border-color: var(--primary-color);
    box-shadow: 0 0 20px var(--primary-glow);
}

.slideshow-arrow.prev { left: 20px; }
.slideshow-arrow.next { right: 20px; }

.slideshow-dots {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(203, 213, 225, 0.3);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    width: 28px;
    border-radius: var(--radius-full);
    background: var(--primary-color);
    box-shadow: 0 0 12px var(--primary-glow);
}

/* ==========================================================================
   Featured Project of the Month
   ========================================================================== */
.featured-month-section {
    padding: 80px 0;
    background: linear-gradient(180deg, var(--bg-main) 0%, var(--bg-secondary) 100%);
}

.featured-month-card {
    background: linear-gradient(135deg, rgba(26, 34, 56, 0.95), rgba(17, 24, 39, 0.95));
    border: 1px solid var(--border-hover);
    border-radius: var(--radius);
    padding: 44px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 30px rgba(0, 194, 255, 0.15);
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.featured-month-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.25), rgba(0, 194, 255, 0.25));
    border: 1px solid var(--secondary-accent);
    color: #c084fc;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.featured-kpi-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin: 24px 0;
}

.featured-kpi-item {
    background: rgba(10, 15, 31, 0.7);
    border: 1px solid var(--border-color);
    padding: 16px;
    border-radius: var(--radius-sm);
    text-align: center;
}

.featured-kpi-val {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.featured-kpi-lbl {
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* ==========================================================================
   GitHub Repositories & Contribution Section
   ========================================================================== */
.github-section {
    padding: 80px 0;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-main) 100%);
}

.github-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 24px;
    margin-top: 36px;
}

.github-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 24px;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.github-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 10px 24px rgba(0,0,0,0.4), 0 0 15px rgba(0,194,255,0.15);
}

.github-repo-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.github-repo-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 16px;
}

.github-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

/* About Page & Timeline */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 40px auto 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 20px;
    width: 2px;
    background-color: var(--border-color);
}

.timeline-item {
    position: relative;
    padding-left: 60px;
    margin-bottom: 40px;
}

.timeline-dot {
    position: absolute;
    left: 12px;
    top: 4px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background-color: var(--primary-color);
    border: 4px solid var(--bg-main);
}

.timeline-content {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 24px;
    border-radius: var(--radius);
}

.timeline-date {
    color: var(--primary-color);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 6px;
}

/* Case Study Blueprint */
.case-study-hero {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 60px 0;
}

.case-study-meta {
    display: flex;
    gap: 20px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.meta-item {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.meta-item strong {
    color: var(--text-main);
}

.case-study-body {
    max-width: 900px;
    margin: 0 auto;
    padding: 60px 24px;
}

.case-block {
    margin-bottom: 50px;
}

.case-block h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: var(--primary-color);
}

.code-box {
    background-color: #090d16;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 20px;
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
    color: #38bdf8;
    overflow-x: auto;
}

/* Contact Page Split Layout */
.contact-split {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
}

.contact-info-box {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 40px;
}

.contact-detail-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 28px;
}

.contact-detail-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: rgba(6, 182, 212, 0.1);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-form {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 40px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 0.9rem;
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 12px 16px;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-family: inherit;
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

/* Footer */
.footer {
    background-color: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 40px 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Lightbox Modal */
.lightbox-modal {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

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

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}

.lightbox-close {
    position: absolute;
    top: 24px;
    right: 30px;
    color: #ffffff;
    font-size: 2rem;
    cursor: pointer;
}

/* Back to Top Button */
#back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: #ffffff;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 900;
    box-shadow: var(--shadow-md);
}

#back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

/* Testimonials Section */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 32px 28px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition);
}

.testimonial-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.testimonial-quote {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.7;
    font-style: italic;
    margin-bottom: 24px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), #38bdf8);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}

.author-info h4 {
    font-size: 1rem;
    font-weight: 700;
}

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

.star-rating {
    color: #f59e0b;
    margin-bottom: 12px;
    font-size: 1.1rem;
}

/* FAQ Accordion */
.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    margin-bottom: 16px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-question {
    width: 100%;
    padding: 22px 28px;
    background: none;
    border: none;
    text-align: left;
    color: var(--text-main);
    font-size: 1.05rem;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    outline: none;
}

.faq-question:hover {
    color: var(--primary-color);
}

.faq-icon {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
    color: var(--primary-color);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease;
    padding: 0 28px;
    color: var(--text-muted);
    font-size: 0.98rem;
    line-height: 1.7;
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding: 0 28px 24px 28px;
}

/* Industry Filter Buttons */
.industry-filters {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.industry-btn {
    background-color: transparent;
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    transition: var(--transition);
}

.industry-btn:hover, .industry-btn.active {
    background-color: rgba(6, 182, 212, 0.15);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Responsive Media Queries */
@media (max-width: 992px) {
    .hero-content {
        flex-direction: column-reverse;
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: 2.75rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }

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

@media (max-width: 768px) {
    .nav-links {
        position: absolute;
        top: 76px;
        left: 0;
        right: 0;
        background-color: var(--bg-card);
        border-bottom: 1px solid var(--border-color);
        flex-direction: column;
        padding: 24px;
        gap: 18px;
        transform: translateY(-150%);
        transition: var(--transition);
    }
    
    .nav-links.active {
        transform: translateY(0);
    }
    
    .hamburger-btn {
        display: block;
    }
}