/* 
   RICHARD AMPIE CHAMORRO - PROFESSIONAL PORTFOLIO
   Theme: Modern Tech & Executive Dark Mode (Glassmorphism)
   Author: Antigravity AI
   Version: 4.0 (With Carousels & Timelines)
*/

/* --- GLOBAL VARIABLES --- */
:root {
    --bg-main: #070B16;
    --bg-secondary: #0E1528;
    --bg-card: rgba(22, 32, 53, 0.65);
    --border-card: rgba(255, 255, 255, 0.05);
    --color-azure: #0066FF;
    --color-azure-light: #00C2FF;
    --color-mint: #05FFB0;
    --color-text-primary: #F8FAFC;
    --color-text-secondary: #94A3B8;
    
    --font-heading: 'Plus Jakarta Sans', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition-smooth: all 0.45s cubic-bezier(0.16, 1, 0.3, 1);
    --glass-blur: blur(16px);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-main);
    color: var(--color-text-primary);
    font-family: var(--font-body);
}

body {
    overflow-x: hidden;
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

/* --- UTILITIES --- */
.text-gradient {
    background: linear-gradient(135deg, var(--color-mint) 0%, var(--color-azure-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-center {
    text-align: center;
}

.justify-center {
    justify-content: center !important;
}

.d-none {
    display: none !important;
}

.cursor-default {
    cursor: default !important;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    cursor: pointer;
    border: none;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.775rem;
    border-radius: 6px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-azure) 0%, var(--color-azure-light) 100%);
    color: #ffffff;
    box-shadow: 0 8px 24px rgba(0, 102, 255, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(0, 102, 255, 0.5);
    filter: brightness(1.1);
}

.btn-secondary {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    color: var(--color-text-primary);
    backdrop-filter: var(--glass-blur);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--color-azure-light);
}

.btn-block {
    width: 100%;
}

.section-header {
    margin-bottom: 56px;
}

.section-tag {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-mint);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    display: block;
    margin-bottom: 12px;
}

.section-title {
    font-size: 2.25rem;
    color: var(--color-text-primary);
}

/* Dual CTAs button group */
.dual-btn-group {
    display: flex;
    gap: 12px;
    margin-top: 16px;
    width: 100%;
}

.dual-btn-group .btn {
    flex: 1;
    text-align: center;
}

/* --- HEADER & NAVIGATION --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(7, 11, 22, 0.75);
    backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--border-card);
    transition: var(--transition-smooth);
}

.nav-container {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.35rem;
    color: var(--color-text-primary);
}

.logo-accent {
    color: var(--color-azure-light);
}

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

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

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

.btn-nav {
    padding: 8px 18px;
    border-radius: 6px;
    background: rgba(0, 102, 255, 0.1);
    border: 1px solid rgba(0, 102, 255, 0.2);
    color: var(--color-azure-light);
}

.btn-nav:hover {
    background: var(--color-azure);
    color: #ffffff;
    border-color: var(--color-azure);
}

/* Bilingual Switcher */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.lang-selector {
    display: flex;
    align-items: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-card);
    padding: 4px 8px;
    border-radius: 20px;
}

.lang-btn {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-weight: 700;
    font-size: 0.8rem;
    padding: 4px 8px;
    cursor: pointer;
    border-radius: 12px;
    transition: var(--transition-smooth);
}

.lang-btn.active {
    color: var(--color-mint);
    background: rgba(5, 255, 176, 0.1);
}

.lang-divider {
    color: rgba(255, 255, 255, 0.15);
    margin: 0 4px;
    font-size: 0.8rem;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-toggle .bar {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text-primary);
    margin: 6px 0;
    transition: var(--transition-smooth);
}

/* --- HERO SECTION --- */
.hero-section {
    padding-top: 160px;
    padding-bottom: 100px;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 102, 255, 0.1) 0%, rgba(7, 11, 22, 0) 70%);
    z-index: -1;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(5, 255, 176, 0.05) 0%, rgba(7, 11, 22, 0) 70%);
    z-index: -1;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: center;
}

.badge-role {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(0, 102, 255, 0.1);
    border: 1px solid rgba(0, 102, 255, 0.2);
    border-radius: 30px;
    color: var(--color-azure-light);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 3.25rem;
    line-height: 1.15;
    margin-bottom: 16px;
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-mint);
    margin-bottom: 20px;
}

.hero-description {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    margin-bottom: 36px;
}

.hero-ctas {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
}

.hero-certs-preview {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.certs-preview-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.certs-badge-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.cert-pill {
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-primary);
}

/* Hero Interactive Visuals */
.hero-visual {
    display: flex;
    justify-content: center;
    position: relative;
}

.visual-canvas {
    width: 100%;
    max-width: 440px;
    height: 440px;
    border-radius: 24px;
    background: radial-gradient(circle at 50% 50%, rgba(22, 32, 53, 0.3) 0%, rgba(7, 11, 22, 0.5) 100%);
    border: 1px solid rgba(255, 255, 255, 0.03);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pipeline-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    backdrop-filter: var(--glass-blur);
    border-radius: 16px;
    padding: 24px;
    width: 85%;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.pipeline-node {
    padding: 10px 16px;
    background: rgba(255, 255, 255, 0.02);
    border-left: 3px solid var(--color-azure);
    border-radius: 0 8px 8px 0;
    position: relative;
}

.pipeline-node.data-eng {
    border-left-color: var(--color-azure-light);
}

.pipeline-node.data-bi {
    border-left-color: var(--color-mint);
}

.node-label {
    font-size: 0.8rem;
    font-weight: 700;
    font-family: var(--font-heading);
}

.pulse-ring {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background-color: var(--color-azure-light);
    border-radius: 50%;
}

.data-bi .pulse-ring {
    background-color: var(--color-mint);
}

.pipeline-flow {
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 20px;
    position: relative;
}

.flow-line {
    width: 2px;
    height: 100%;
    background: dashed rgba(255, 255, 255, 0.15);
}

.flow-dot {
    width: 6px;
    height: 6px;
    background-color: var(--color-mint);
    border-radius: 50%;
    position: absolute;
    top: 0;
    animation: flowDown 2s infinite linear;
}

@keyframes flowDown {
    0% { top: 0; opacity: 0; }
    50% { opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

.floating-roi-card {
    position: absolute;
    bottom: 24px;
    right: -20px;
    background: rgba(22, 32, 53, 0.85);
    border: 1px solid rgba(5, 255, 176, 0.15);
    backdrop-filter: var(--glass-blur);
    border-radius: 12px;
    padding: 16px;
    width: 220px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
    animation: float 4s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

.roi-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.roi-title {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-text-secondary);
}

.roi-percent {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--color-mint);
    background: rgba(5, 255, 176, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
}

.roi-chart {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    height: 50px;
}

.chart-bar {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 2px;
    transition: var(--transition-smooth);
}

.chart-bar.highlight {
    background: linear-gradient(0deg, var(--color-azure) 0%, var(--color-mint) 100%);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: center;
}

.mouse-icon {
    width: 24px;
    height: 40px;
    border: 2px solid var(--color-text-secondary);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.mouse-icon .wheel {
    width: 4px;
    height: 8px;
    background-color: var(--color-text-primary);
    border-radius: 2px;
    animation: scrollWheel 1.5s infinite ease-in-out;
}

@keyframes scrollWheel {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(8px); opacity: 0; }
}

/* --- ABOUT ME SECTION --- */
.about-section {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--bg-main) 0%, var(--bg-secondary) 100%);
}

.about-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 64px;
    align-items: center;
}

.outcomes-sidebar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.outcome-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 12px;
    padding: 24px;
    transition: var(--transition-smooth);
}

.outcome-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255,255,255,0.1);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.outcome-num {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--color-mint);
    margin-bottom: 4px;
}

.outcome-label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 8px;
}

.outcome-desc {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

.about-narrative {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.narrative-lead {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-text-primary);
    line-height: 1.5;
    border-left: 3px solid var(--color-mint);
    padding-left: 20px;
}

.narrative-body p {
    font-size: 1.025rem;
    color: var(--color-text-secondary);
    margin-bottom: 16px;
}

/* --- SERVICES SECTION --- */
.services-section {
    padding: 100px 0;
    background-color: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 16px;
    padding: 40px 32px;
    backdrop-filter: var(--glass-blur);
    transition: var(--transition-smooth);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 102, 255, 0.3);
    box-shadow: 0 15px 30px rgba(0, 102, 255, 0.1);
}

.service-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: rgba(0, 102, 255, 0.1);
    border-radius: 12px;
    color: var(--color-azure-light);
    margin-bottom: 28px;
    transition: var(--transition-smooth);
}

.service-card:hover .service-icon {
    background: var(--color-azure);
    color: #ffffff;
}

.service-name {
    font-size: 1.25rem;
    color: var(--color-text-primary);
    margin-bottom: 16px;
}

.service-desc {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: 24px;
}

.service-bullets {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.service-bullets li {
    font-size: 0.825rem;
    color: var(--color-text-secondary);
    position: relative;
    padding-left: 18px;
}

.service-bullets li::before {
    content: '→';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--color-mint);
    font-weight: 700;
}

/* --- PROJECTS SECTION & CAROUSELS --- */
.projects-section {
    padding: 100px 0;
    background-color: var(--bg-main);
}

.flex-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.tab-container {
    display: flex;
    background: var(--bg-secondary);
    border: 1px solid var(--border-card);
    padding: 6px;
    border-radius: 12px;
}

.tab-btn {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    padding: 10px 20px;
    cursor: pointer;
    border-radius: 8px;
    transition: var(--transition-smooth);
}

.tab-btn.active {
    color: var(--color-text-primary);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.03);
}

/* Carousel Architecture styles */
.carousel-wrapper {
    position: relative;
    margin-top: 48px;
    padding: 0 40px; /* Space for arrow controls */
    width: 100%;
}

.carousel-viewport {
    overflow: hidden;
    width: 100%;
    border-radius: 16px;
}

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

.carousel-slide {
    flex-shrink: 0;
    width: 33.3333%; /* Default to 3 items on screen */
    padding: 0 12px;
}

.carousel-control-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(22, 32, 53, 0.8);
    border: 1px solid var(--border-card);
    color: var(--color-text-primary);
    font-size: 1rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition-smooth);
    backdrop-filter: var(--glass-blur);
}

.carousel-control-btn:hover {
    background: var(--color-azure);
    color: #ffffff;
    border-color: var(--color-azure);
    box-shadow: 0 0 15px rgba(0, 102, 255, 0.4);
}

.carousel-control-btn.btn-prev {
    left: -10px;
}

.carousel-control-btn.btn-next {
    right: -10px;
}

/* Individual project card formatting inside carousel */
.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 16px;
    padding: 32px;
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: var(--transition-smooth);
}

.project-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
}

.project-category {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.project-outcome {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--color-mint);
    background: rgba(5, 255, 176, 0.1);
    padding: 2px 8px;
    border-radius: 4px;
}

.project-name {
    font-size: 1.15rem;
    margin-bottom: 12px;
    line-height: 1.4;
}

.project-desc {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-bottom: 20px;
    flex-grow: 1;
}

.project-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 20px;
}

.tech-tag {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--color-azure-light);
    background: rgba(0, 102, 255, 0.05);
    border: 1px solid rgba(0, 102, 255, 0.1);
    padding: 2px 8px;
    border-radius: 4px;
}

.project-impact-box {
    background: rgba(255, 255, 255, 0.02);
    border-left: 2px solid var(--color-mint);
    padding: 10px 14px;
    border-radius: 0 6px 6px 0;
    font-size: 0.775rem;
    margin-top: auto;
}

/* --- POWER BI GALLERY Restructured --- */
.demos-section {
    padding: 100px 0;
    background-color: var(--bg-secondary);
}

.disclaimer-box {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    background: rgba(22, 32, 53, 0.5);
    border-left: 4px solid var(--color-mint);
    border-radius: 0 12px 12px 0;
    padding: 20px;
    max-width: 800px;
    margin: 32px auto 0 auto;
}



.disclaimer-icon {
    font-size: 1.5rem;
    line-height: 1;
}

.disclaimer-text {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.badge-confidential {
    align-self: flex-start;
    padding: 3px 8px;
    background: rgba(255, 185, 0, 0.1);
    border: 1px solid rgba(255, 185, 0, 0.2);
    border-radius: 4px;
    color: #FFB900;
    font-size: 0.7rem;
    font-weight: 700;
    margin-top: auto;
}

.demos-grid {
    margin-top: 48px;
    display: grid;
    grid-template-columns: repeat(4, 1fr); /* 4 Columns for practices demos */
    gap: 20px;
}

.demo-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: var(--transition-smooth);
}

.demo-card:hover {
    transform: translateY(-8px);
    border-color: rgba(5, 255, 176, 0.25);
    box-shadow: 0 15px 30px rgba(5, 255, 176, 0.05);
}

.demo-visual-container {
    position: relative;
    background-color: #070B16;
    padding: 16px;
    border-bottom: 1px solid var(--border-card);
}

.monitor-frame {
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.monitor-screen {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    overflow: hidden;
}

.dashboard-placeholder {
    width: 100%;
    height: auto;
    display: flex;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.dashboard-placeholder svg,
.dashboard-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.demo-card:hover .dashboard-placeholder svg,
.demo-card:hover .dashboard-placeholder img {
    transform: scale(1.05);
}

.hover-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(7, 11, 22, 0.85);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    opacity: 0;
    transition: var(--transition-smooth);
}

.monitor-screen:hover .hover-overlay {
    opacity: 1;
}

.hover-icon {
    font-size: 2rem;
    color: var(--color-mint);
    transform: translateY(10px);
    transition: var(--transition-smooth);
}

.monitor-screen:hover .hover-icon {
    transform: translateY(0);
}

.hover-text {
    font-size: 0.8rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.demo-info {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.demo-area {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--color-mint);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.demo-title {
    font-size: 1rem;
    margin-bottom: 8px;
    line-height: 1.35;
    color: var(--color-text-primary);
}

.demo-desc {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    margin-bottom: 18px;
    line-height: 1.45;
    flex-grow: 1;
}

.btn-demo-link {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-card);
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-text-primary);
    transition: var(--transition-smooth);
}

.btn-demo-link:hover {
    background-color: var(--color-mint);
    color: #070B16;
    border-color: var(--color-mint);
}

/* --- CERTIFICATIONS SECTION --- */
.certifications-section {
    padding: 100px 0;
    background-color: var(--bg-main);
}

.cert-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    backdrop-filter: var(--glass-blur);
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
    transition: var(--transition-smooth);
}

.cert-card:hover {
    transform: translateY(-6px);
    border-color: rgba(0, 102, 255, 0.2);
}

.card-coming-soon {
    border: 1px dashed rgba(255,255,255,0.08);
}

.cert-badge-container {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cert-badge-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: var(--transition-smooth);
}

.cert-card:hover .cert-badge-img {
    transform: scale(1.08) rotate(2deg);
}

.cert-logo-fake {
    line-height: 1.1;
    font-weight: 900;
    font-size: 1.15rem;
    font-family: monospace;
}

.cert-logo-fake.text-muted {
    font-size: 1.35rem;
}

/* For placeholders or fake badges (coming soon) */
.cert-badge-container.placeholder-badge {
    width: 68px;
    height: 68px;
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px dashed rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.ms-color-1 { color: #f25022; }
.ms-color-2 { color: #7fba00; }
.ms-color-3 { color: #00a4ef; }
.ms-color-4 { color: #ffb900; }

.cert-name {
    font-size: 1.05rem;
    margin-bottom: 6px;
    line-height: 1.3;
}

.cert-issuer {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-azure-light);
    margin-bottom: 16px;
}

.cert-use-commentary {
    background: rgba(7, 11, 22, 0.4);
    border-radius: 8px;
    padding: 14px;
    text-align: left;
    margin-bottom: 20px;
    flex-grow: 1;
    width: 100%;
    border: 1px solid rgba(255,255,255,0.02);
}

.cert-use-commentary strong {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--color-mint);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 6px;
}

.cert-commentary-text {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    line-height: 1.45;
}

.btn-verify {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-mint);
    padding: 8px 16px;
    border: 1px solid rgba(5, 255, 176, 0.2);
    border-radius: 6px;
    transition: var(--transition-smooth);
    width: 100%;
}

.btn-verify:hover {
    background-color: rgba(5, 255, 176, 0.05);
    color: #ffffff;
    border-color: var(--color-text-primary);
}

.badge-status-progress {
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--color-text-secondary);
}

/* --- DEDICATED ACADEMIC EDUCATION SECTION (NEW) --- */
.education-section {
    padding: 100px 0;
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-card);
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 56px;
}

.edu-card-custom {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 16px;
    padding: 32px;
    backdrop-filter: var(--glass-blur);
    display: flex;
    flex-direction: column;
    transition: var(--transition-smooth);
}

.edu-card-custom:hover {
    transform: translateY(-6px);
    border-color: rgba(5, 255, 176, 0.2);
    box-shadow: 0 12px 24px rgba(5, 255, 176, 0.03);
}

.edu-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.edu-year {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-text-secondary);
}

.edu-status-badge {
    font-size: 0.675rem;
    font-weight: 700;
    background: rgba(0, 102, 255, 0.1);
    color: var(--color-azure-light);
    padding: 2px 8px;
    border-radius: 4px;
}

.edu-card-custom:nth-child(1) .edu-status-badge {
    background: rgba(5, 255, 176, 0.1);
    color: var(--color-mint);
}

.edu-card-title {
    font-size: 1.15rem;
    margin-bottom: 8px;
    line-height: 1.35;
}

.edu-card-school {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: 16px;
}

.edu-card-desc {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    line-height: 1.45;
}

/* Specializations large card style */
.edu-card-special {
    grid-column: span 3; /* Extends across the grid at the bottom */
    margin-top: 10px;
}

.edu-card-special .edu-status-badge {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-primary);
}

.edu-specialization-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.edu-spec-tag {
    padding: 6px 14px;
    background: rgba(7, 11, 22, 0.5);
    border: 1px solid var(--border-card);
    border-radius: 30px;
    font-size: 0.775rem;
    font-weight: 600;
    color: var(--color-text-primary);
    transition: var(--transition-smooth);
}

.edu-spec-tag:hover {
    border-color: var(--color-azure-light);
    color: #ffffff;
}

/* --- TECHNICAL STACK SECTION --- */
.stack-section {
    padding: 60px 0;
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-card);
    border-bottom: 1px solid var(--border-card);
}

.stack-heading-section {
    font-size: 1.15rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-secondary);
    margin-bottom: 32px;
}

.stack-tags-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

.tech-stack-tag {
    padding: 8px 18px;
    background-color: #070B16;
    border: 1px solid var(--border-card);
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-primary);
    transition: var(--transition-smooth);
}

.tech-stack-tag:hover {
    border-color: var(--color-mint);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(5, 255, 176, 0.15);
}

/* --- WORK EXPERIENCE SECTION (NEW - Timeline) --- */
.experience-section {
    padding: 100px 0;
    background-color: var(--bg-main);
}

.timeline-container {
    position: relative;
    max-width: 900px;
    margin: 56px auto 0 auto;
    padding-left: 32px; /* Margin from left for the central timeline line */
}

.timeline-line {
    position: absolute;
    top: 0;
    left: 8px;
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, var(--color-azure) 0%, var(--color-mint) 70%, rgba(5, 255, 176, 0.05) 100%);
}

.timeline-item {
    position: relative;
    margin-bottom: 48px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-marker {
    position: absolute;
    top: 24px;
    left: -30px; /* Aligns dot directly on the vertical line line */
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: var(--color-mint);
    border: 3px solid var(--bg-main);
    box-shadow: 0 0 10px var(--color-mint);
    z-index: 2;
    transition: var(--transition-smooth);
}

.timeline-item:hover .timeline-marker {
    background-color: #ffffff;
    box-shadow: 0 0 15px #ffffff;
}

.timeline-content-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 16px;
    padding: 32px;
    backdrop-filter: var(--glass-blur);
    transition: var(--transition-smooth);
}

.timeline-item:hover .timeline-content-card {
    border-color: rgba(255,255,255,0.08);
    transform: translateX(6px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.35);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.exp-dates {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-text-secondary);
}

.company-badge {
    padding: 4px 12px;
    background: rgba(0, 102, 255, 0.1);
    border: 1px solid rgba(0, 102, 255, 0.25);
    color: var(--color-azure-light);
    border-radius: 30px;
    font-size: 0.75rem;
    font-weight: 700;
    font-family: var(--font-heading);
}

.exp-role {
    font-size: 1.35rem;
    color: var(--color-text-primary);
    margin-bottom: 8px;
}

.exp-desc {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: 18px;
}

.exp-bullet-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.exp-bullet-list li {
    font-size: 0.825rem;
    color: var(--color-text-secondary);
    position: relative;
    padding-left: 20px;
    line-height: 1.5;
}

.exp-bullet-list li::before {
    content: '▪';
    position: absolute;
    left: 0;
    top: -1px;
    color: var(--color-mint);
    font-size: 0.9rem;
}

.exp-toolbox {
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding-top: 16px;
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

.exp-toolbox strong {
    color: var(--color-text-primary);
}

/* --- CONTACT & FOOTER SECTION --- */
.contact-section {
    padding: 100px 0;
    background-color: var(--bg-main);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

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

.contact-heading {
    font-size: 2.25rem;
    margin-bottom: 16px;
    line-height: 1.25;
}

.contact-subtext {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin-bottom: 36px;
}

.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 36px;
}

.contact-item-link, .contact-item-static {
    display: flex;
    gap: 16px;
    align-items: center;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-card);
    padding: 16px 20px;
    border-radius: 12px;
    transition: var(--transition-smooth);
}

.contact-item-link:hover {
    border-color: var(--color-azure-light);
    transform: translateX(4px);
}

.contact-item-icon {
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background-color: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    color: var(--color-mint);
}

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

.contact-item-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.contact-item-val {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.social-links-footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
}

.social-icon-btn {
    padding: 8px 18px;
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-card);
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 700;
}

.social-icon-btn:hover {
    border-color: var(--color-text-primary);
    background-color: rgba(255, 255, 255, 0.05);
}

.btn-cv-download {
    padding: 8px 18px;
    background: rgba(5, 255, 176, 0.1);
    border: 1px solid rgba(5, 255, 176, 0.2);
    color: var(--color-mint);
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 700;
}

.btn-cv-download:hover {
    background: var(--color-mint);
    color: #070B16;
    border-color: var(--color-mint);
}

/* Glass Form Card */
.contact-form-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    backdrop-filter: var(--glass-blur);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 20px 45px rgba(0,0,0,0.3);
}

.form-group {
    margin-bottom: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-text-secondary);
}

.form-group input, .form-group textarea {
    background-color: rgba(7, 11, 22, 0.5);
    border: 1px solid var(--border-card);
    border-radius: 8px;
    padding: 12px 16px;
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--color-azure-light);
    box-shadow: 0 0 12px rgba(0, 102, 255, 0.15);
}

.form-success-message {
    text-align: center;
    padding: 40px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.success-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(5, 255, 176, 0.1);
    border: 1.5px solid var(--color-mint);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--color-mint);
}

.success-text {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* Minimal Footer */
.footer-minimal {
    padding: 30px 0;
    border-top: 1px solid var(--border-card);
    background-color: #050811;
}

.footer-copyright {
    font-size: 0.775rem;
    color: var(--color-text-secondary);
}

/* --- MOBILE & RESPONSIVE DESIGN --- */

/* For large laptop/screens: adjust carousels to fit 3 items */
@media (max-width: 1200px) {
    .carousel-slide {
        width: 50%; /* 2 items on screen */
    }
    
    .demos-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* For Tablet screens */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 56px;
        text-align: center;
    }
    
    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-ctas {
        justify-content: center;
    }
    
    .hero-certs-preview {
        align-items: center;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .outcomes-sidebar {
        order: 2;
    }
    
    .about-narrative {
        order: 1;
    }
    
    .services-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .demos-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .education-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .edu-card-special {
        grid-column: span 2;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
}

/* For Mobile screens */
@media (max-width: 768px) {
    .header {
        padding: 4px 0;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--bg-main);
        flex-direction: column;
        padding: 40px 24px;
        gap: 24px;
        z-index: 999;
        transition: var(--transition-smooth);
        border-top: 1px solid var(--border-card);
        backdrop-filter: var(--glass-blur);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .mobile-toggle {
        display: block;
    }
    
    .mobile-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .mobile-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-visual {
        max-width: 320px;
        margin: 0 auto;
    }
    
    .visual-canvas {
        height: 340px;
        width: 340px;
    }
    
    .floating-roi-card {
        right: -10px;
        bottom: 10px;
        width: 180px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .carousel-slide {
        width: 100%; /* 1 item on mobile */
    }
    
    .carousel-wrapper {
        padding: 0 24px;
    }
    
    .carousel-control-btn.btn-prev {
        left: -8px;
    }
    
    .carousel-control-btn.btn-next {
        right: -8px;
    }
    
    .demos-grid {
        grid-template-columns: 1fr;
    }
    
    .education-grid {
        grid-template-columns: 1fr;
    }
    
    .edu-card-special {
        grid-column: span 1;
    }
    
    .timeline-container {
        padding-left: 20px;
    }
    
    .timeline-line {
        left: 4px;
    }
    
    .timeline-marker {
        left: -26px;
    }
    
    .timeline-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .contact-form-card {
        padding: 24px;
    }
    
    .flex-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
    
    .tab-container {
        width: 100%;
        flex-wrap: wrap;
    }
    
    .tab-btn {
        flex: 1;
        text-align: center;
        padding: 8px 10px;
        font-size: 0.75rem;
    }
}