/* ==========================================================================
   Peter Okech - Portfolio Stylesheet
   Modern, High-Performance, Responsive Design System (DevOps & Software)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design Tokens & Variables
   -------------------------------------------------------------------------- */
:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-card: #ffffff;
    --bg-card-hover: #ffffff;
    --bg-card-subtle: #f8fafc;

    --border-subtle: #e2e8f0;
    --border-hover: #cbd5e1;
    --border-glow: rgba(5, 150, 105, 0.25);

    --primary: #059669;
    --primary-hover: #047857;
    --primary-light: #10b981;
    --primary-subtle: #ecfdf5;
    --primary-border: #a7f3d0;
    --secondary: #0d9488;
    --accent: #10b981;
    --aws-orange: #d97706;

    --gradient-primary: linear-gradient(135deg, #059669 0%, #10b981 100%);
    --gradient-accent: linear-gradient(135deg, #059669 0%, #0d9488 50%, #10b981 100%);
    --gradient-card: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    --gradient-glow: radial-gradient(circle, rgba(5, 150, 105, 0.08) 0%, rgba(13, 148, 136, 0.03) 50%, transparent 70%);

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --text-inverse: #ffffff;

    --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Inter', var(--font-sans);
    --font-serif: 'Newsreader', Georgia, 'Times New Roman', serif;
    --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

    --header-height: 4.5rem;
    --max-width: 1200px;
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-glow: 0 0 35px rgba(5, 150, 105, 0.18);
    --shadow-card: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 10px 25px -5px rgba(0, 0, 0, 0.04);

    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --------------------------------------------------------------------------
   2. Reset & Global Styles
   -------------------------------------------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 1.5rem);
    color-scheme: light;
}

body {
    background-color: var(--bg-primary);
    background-image: 
        radial-gradient(at 0% 0%, rgba(5, 150, 105, 0.04) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(13, 148, 136, 0.035) 0px, transparent 50%),
        radial-gradient(at 50% 100%, rgba(16, 185, 129, 0.03) 0px, transparent 50%);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.7;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    line-height: 1.25;
    font-weight: 700;
}

p {
    color: var(--text-secondary);
}

ul {
    list-style: none;
}

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

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

button, input, textarea {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
    background: none;
}

/* Layout Container */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

.section {
    padding-top: 5.5rem;
    padding-bottom: 5.5rem;
    position: relative;
}

/* Section Header Typography */
.section_header {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 3.5rem auto;
}

.section_tag {
    display: inline-block;
    font-size: 0.813rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    color: var(--primary-light);
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

.section_title {
    font-size: clamp(1.85rem, 3.5vw, 2.5rem);
    margin-bottom: 1rem;
}

.section_bar {
    width: 52px;
    height: 3px;
    background: var(--gradient-primary);
    margin: 0 auto 1.25rem auto;
    border-radius: var(--radius-full);
}

.section_subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
}

/* Ambient Background Glow Elements */
.ambient-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
    z-index: 0;
    opacity: 0.4;
}

.glow-top {
    top: -100px;
    right: -100px;
    width: 520px;
    height: 520px;
    background: radial-gradient(circle, rgba(5, 150, 105, 0.12), transparent 70%);
}

.glow-middle {
    top: 40%;
    left: -160px;
    width: 560px;
    height: 560px;
    background: radial-gradient(circle, rgba(13, 148, 136, 0.09), transparent 70%);
}

/* Gradient Text Utility */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --------------------------------------------------------------------------
   3. Buttons & Interactive Elements
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.4rem;
    font-family: var(--font-sans);
    font-size: 0.938rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

.btn-sm {
    padding: 0.5rem 1.15rem;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
}

.btn-primary {
    background: var(--primary);
    color: #ffffff;
    border: 1px solid transparent;
    box-shadow: 0 1px 3px rgba(5, 150, 105, 0.3);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(5, 150, 105, 0.35);
    color: #ffffff;
}

.btn-secondary {
    background: #ffffff;
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--border-hover);
    transform: translateY(-2px);
    color: var(--text-primary);
}

.btn-outline {
    background: #ffffff;
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
}

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

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

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

.btn:disabled,
.btn.disabled,
.phase_btn:disabled,
.phase_btn.disabled {
    opacity: 0.5;
    cursor: not-allowed !important;
    pointer-events: none !important;
    border-color: var(--border-subtle) !important;
    color: var(--text-muted) !important;
    background: var(--bg-secondary) !important;
    box-shadow: none !important;
    transform: none !important;
}

.btn-block {
    width: 100%;
}

/* --------------------------------------------------------------------------
   4. Header & Navigation
   -------------------------------------------------------------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-subtle);
    z-index: 1000;
    transition: background-color var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    border-bottom-color: var(--border-hover);
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.04);
}

.nav {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav_logo {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    letter-spacing: -0.02em;
}

.nav_logo_icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--primary);
    color: #ffffff;
    border-radius: 6px;
    font-size: 1rem;
}

.nav_logo_name {
    color: var(--text-primary);
    font-weight: 700;
}

.nav_menu {
    display: flex;
    align-items: center;
}

.nav_list {
    display: flex;
    align-items: center;
    gap: 1.75rem;
}

.nav_link {
    font-size: 0.925rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 0.5rem 0;
    transition: color var(--transition-fast);
}

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

.nav_link.active {
    color: var(--primary);
    font-weight: 600;
}

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

.nav_actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav_cta-mobile {
    display: none;
}

.nav_toggle {
    display: none;
    font-size: 1.75rem;
    color: var(--text-primary);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}

.nav_toggle:hover {
    background: var(--bg-secondary);
}

/* --------------------------------------------------------------------------
   5. Hero Section
   -------------------------------------------------------------------------- */
.hero {
    min-height: calc(100vh - var(--header-height));
    display: flex;
    align-items: center;
    padding-top: calc(var(--header-height) + 2rem);
    padding-bottom: 4rem;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 18% 28%, rgba(5, 150, 105, 0.08) 1.5px, transparent 1.5px),
        radial-gradient(circle at 82% 42%, rgba(5, 150, 105, 0.08) 1.5px, transparent 1.5px),
        radial-gradient(circle at 45% 75%, rgba(13, 148, 136, 0.07) 1.5px, transparent 1.5px),
        radial-gradient(circle at 70% 88%, rgba(16, 185, 129, 0.07) 1.5px, transparent 1.5px);
    background-size: 140px 140px;
    opacity: 0.7;
    pointer-events: none;
    z-index: 0;
}

.hero_container {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
    gap: 3.5rem;
    position: relative;
    z-index: 1;
}

.hero_content {
    display: flex;
    flex-direction: column;
}

.hero_badge {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.35rem 0.85rem;
    background: var(--primary-subtle);
    border: 1px solid var(--primary-border);
    border-radius: var(--radius-full);
    font-size: 0.825rem;
    font-weight: 500;
    color: #047857;
    width: max-content;
    margin-bottom: 1.5rem;
}

.badge_spark {
    font-size: 0.9rem;
    color: #059669;
}

.hero_title {
    font-family: var(--font-heading);
    font-size: clamp(2.75rem, 5.5vw, 4.25rem);
    font-weight: 800;
    letter-spacing: -0.035em;
    line-height: 1.1;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
}

.hero_highlight {
    color: var(--primary);
    font-weight: 800;
}

.hero_description {
    font-family: var(--font-serif);
    font-size: clamp(1.125rem, 1.8vw, 1.25rem);
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 520px;
    margin-bottom: 2rem;
}

.hero_actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.hero_stats {
    display: flex;
    align-items: center;
    gap: 2.25rem;
    margin-top: 1.5rem;
    padding-top: 1.75rem;
    border-top: 1px solid var(--border-subtle);
}

.hero_stat_item {
    display: flex;
    flex-direction: column;
}

.hero_stat_number {
    font-family: var(--font-heading);
    font-size: 1.85rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 0.35rem;
}

.hero_stat_label {
    font-size: 0.825rem;
    font-weight: 500;
    color: var(--text-muted);
}

/* Terminal Window Widget in Hero */
.hero_visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.terminal_window {
    width: 100%;
    max-width: 530px;
    background: #0c1322;
    border: 1px solid #1e293b;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 45px -12px rgba(15, 23, 42, 0.25);
    font-family: var(--font-mono);
}

.terminal_titlebar {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1rem;
    background: #080d19;
    border-bottom: 1px solid #1e293b;
}

.terminal_dots {
    position: absolute;
    left: 1rem;
    display: flex;
    gap: 0.45rem;
}

.term_dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot_red { background-color: #ef4444; }
.dot_yellow { background-color: #f59e0b; }
.dot_green { background-color: #10b981; }

.terminal_title_text {
    font-size: 0.78rem;
    color: #94a3b8;
    font-family: var(--font-mono);
}

.terminal_screen {
    padding: 1.25rem 1.25rem 1.5rem 1.25rem;
    font-size: 0.76rem;
    line-height: 1.6;
    color: #cbd5e1;
    overflow-x: auto;
}

.term_line {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.45rem;
}

.term_prompt {
    color: #10b981;
    font-weight: 600;
}

.term_cmd {
    color: #f8fafc;
    font-weight: 500;
}

.term_table {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-bottom: 0.75rem;
    margin-left: 0.25rem;
}

.term_row {
    display: grid;
    grid-template-columns: 95px 175px 55px 65px;
    gap: 0.4rem;
    font-size: 0.72rem;
}

.term_head {
    color: #64748b;
    font-weight: 600;
    font-size: 0.68rem;
    letter-spacing: 0.05em;
}

.term_ns { color: #34d399; }
.term_name { color: #93c5fd; }
.term_status_running { color: #4ade80; }
.term_cid { color: #67e8f9; }
.term_port { color: #60a5fa; }
.term_mt { margin-top: 1rem; }

.term_cursor {
    display: inline-block;
    width: 7px;
    height: 14px;
    background: #10b981;
    vertical-align: middle;
    animation: termBlink 1s infinite;
}

@keyframes termBlink {
    0%, 49% { opacity: 1; }
    50%, 100% { opacity: 0; }
}

/* --------------------------------------------------------------------------
   6. About Section
   -------------------------------------------------------------------------- */
.about_grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3.5rem;
    align-items: center;
}

.about_heading {
    font-size: 1.65rem;
    margin-bottom: 1.25rem;
    line-height: 1.35;
}

.about_para {
    margin-bottom: 1.25rem;
    font-size: 1.025rem;
    line-height: 1.75;
}

.about_highlights {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 2rem;
}

.highlight_item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.highlight_item i {
    color: var(--secondary);
    font-size: 1.2rem;
}

/* Stats Cards */
.about_stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.stat_card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1.75rem 1.5rem;
    transition: all var(--transition-normal);
}

.stat_card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.3);
}

.stat_number {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: baseline;
}

.stat_plus {
    color: var(--primary-light);
    font-size: 1.5rem;
    margin-left: 2px;
}

.stat_label {
    font-size: 0.938rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.35rem;
}

.stat_desc {
    font-size: 0.813rem;
    color: var(--text-muted);
    line-height: 1.45;
}

/* --------------------------------------------------------------------------
   7. Experience & Timeline Section
   -------------------------------------------------------------------------- */
.timeline {
    position: relative;
    max-width: 920px;
    margin: 0 auto;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 10px;
    bottom: 10px;
    left: 8px;
    width: 2px;
    background: linear-gradient(180deg, var(--primary) 0%, var(--secondary) 100%);
    opacity: 0.4;
}

.timeline_item {
    position: relative;
    margin-bottom: 2.5rem;
}

.timeline_item:last-child {
    margin-bottom: 0;
}

.timeline_marker {
    position: absolute;
    left: -2rem;
    top: 1.25rem;
    transform: translateX(-50%);
}

.timeline_dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 3px solid var(--primary);
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
    transition: all var(--transition-fast);
}

.timeline_item:hover .timeline_dot {
    border-color: var(--secondary);
    background: var(--secondary);
    box-shadow: 0 0 15px rgba(6, 182, 212, 0.8);
}

.timeline_content {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2rem;
    backdrop-filter: blur(12px);
    transition: all var(--transition-normal);
}

.timeline_content:hover {
    border-color: var(--border-hover);
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.timeline_header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.timeline_role {
    font-size: 1.35rem;
    margin-bottom: 0.25rem;
}

.timeline_company {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.95rem;
}

.company_link {
    color: var(--primary-light);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.company_link:hover {
    color: var(--secondary);
    text-decoration: underline;
}

.company_name {
    color: var(--primary-light);
    font-weight: 600;
}

.timeline_location {
    color: var(--text-muted);
}

.timeline_badge {
    padding: 0.35rem 0.85rem;
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.813rem;
    font-weight: 600;
    color: var(--primary-light);
    white-space: nowrap;
}

.timeline_desc {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.timeline_points {
    list-style: disc;
    padding-left: 1.25rem;
    margin-bottom: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.timeline_points li {
    font-size: 0.938rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

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

.timeline_tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* --------------------------------------------------------------------------
   8. Certifications Section
   -------------------------------------------------------------------------- */
.cert_grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.cert_card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2.25rem 2rem;
    backdrop-filter: blur(12px);
    display: flex;
    flex-direction: column;
    transition: all var(--transition-normal);
}

.cert_card:hover {
    border-color: var(--border-hover);
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
}

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

.cert_icon_box {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
}

.aws_badge {
    background: rgba(255, 153, 0, 0.15);
    color: var(--aws-orange);
    border: 1px solid rgba(255, 153, 0, 0.3);
}

.ai_badge {
    background: rgba(168, 85, 247, 0.15);
    color: var(--accent);
    border: 1px solid rgba(168, 85, 247, 0.3);
}

.alx_badge {
    background: rgba(6, 182, 212, 0.15);
    color: var(--secondary);
    border: 1px solid rgba(6, 182, 212, 0.3);
}

.cert_date {
    font-size: 0.813rem;
    font-weight: 600;
    color: var(--text-muted);
    padding: 0.3rem 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-full);
}

.cert_title {
    font-size: 1.35rem;
    margin-bottom: 0.4rem;
    line-height: 1.3;
}

.cert_issuer {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-light);
    margin-bottom: 1rem;
}

.cert_desc {
    font-size: 0.938rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.75rem;
    flex-grow: 1;
}

.cert_btn {
    align-self: flex-start;
    margin-top: auto;
}

/* --------------------------------------------------------------------------
   9. Skills Section
   -------------------------------------------------------------------------- */
.skills_categories {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.75rem;
}

.skill_category_card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2rem;
    backdrop-filter: blur(12px);
    transition: all var(--transition-normal);
}

.skill_category_card:hover {
    border-color: var(--border-hover);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.category_header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.75rem;
}

.category_icon {
    width: 46px;
    height: 46px;
    border-radius: var(--radius-md);
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.category_title {
    font-size: 1.25rem;
    margin-bottom: 0.2rem;
}

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

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

.skill_pill {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.55rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.skill_pill:hover {
    background: var(--primary-subtle);
    border-color: var(--primary);
    transform: translateY(-2px);
    color: var(--primary-hover);
}

.skill_pill_icon {
    font-size: 1.15rem;
}

/* Skill icon brand colors */
.aws-icon { color: #ff9900; }
.terraform-icon { color: #844fba; }
.docker-icon { color: #2496ed; }
.k8s-icon { color: #326ce5; }
.jenkins-icon { color: #d24939; }
.linux-icon { color: #fcc624; }
.git-icon { color: #f05032; }
.go-icon { color: #00add8; }
.python-icon { color: #3776ab; }
.sql-icon { color: #336791; }
.vue-icon { color: #42b883; }
.react-icon { color: #61dafb; }
.js-icon { color: #f7df1e; }
.html-icon { color: #e34f26; }

/* --------------------------------------------------------------------------
   10. Projects Section
   -------------------------------------------------------------------------- */
.work.section {
    position: relative;
}

.work.section {
    position: relative;
    overflow: hidden;
    background: #ffffff;
    padding: 5rem 0;
}

.projects_canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.work .container {
    position: relative;
    z-index: 1;
}

.featured_projects_grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

@media screen and (max-width: 900px) {
    .featured_projects_grid {
        grid-template-columns: 1fr;
        gap: 1.75rem;
    }
}

.featured_project_card {
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(226, 232, 240, 0.85);
    border-radius: 20px;
    padding: 2.75rem 2.25rem;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.03);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
    position: relative;
}

.featured_project_card:hover {
    transform: translateY(-4px);
    border-color: #cbd5e1;
    box-shadow: 0 16px 36px -6px rgba(5, 150, 105, 0.08), 0 4px 12px rgba(0, 0, 0, 0.04);
}

.featured_card_title {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 800;
    color: #0f172a;
    line-height: 1.25;
    margin-bottom: 1.25rem;
    letter-spacing: -0.025em;
}

.featured_card_desc {
    font-family: var(--font-serif);
    font-size: 1.05rem;
    color: #475569;
    line-height: 1.65;
    margin-bottom: 1.75rem;
    flex-grow: 1;
}

.featured_tags {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 1.25rem;
    margin-bottom: 2rem;
}

.featured_tag {
    font-size: 0.875rem;
    font-weight: 500;
    color: #059669;
    background: transparent;
    border: none;
    padding: 0;
    letter-spacing: normal;
}

.featured_card_actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: auto;
}

.btn_view_code {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    color: #0f172a;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn_view_code:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
    color: #059669;
}

.btn_view_code i {
    font-size: 1.15rem;
}

.btn_live_demo {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: #047857;
    border: 1px solid #047857;
    border-radius: 8px;
    color: #ffffff;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.btn_live_demo:hover {
    background: #065f46;
    border-color: #065f46;
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(4, 120, 87, 0.25);
}

.btn_live_demo i {
    font-size: 1.15rem;
}

/* Other Notable Projects Subsection */
.notable_projects_section {
    margin-top: 4.5rem;
}

.notable_section_heading {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 800;
    color: #0f172a;
    letter-spacing: -0.025em;
    margin-bottom: 2rem;
    text-align: left;
}

.notable_projects_grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

@media screen and (max-width: 900px) {
    .notable_projects_grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

.notable_project_card {
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(226, 232, 240, 0.85);
    border-radius: 16px;
    padding: 2.25rem 2rem;
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.notable_project_card:hover {
    border-color: #cbd5e1;
    transform: translateY(-3px);
    box-shadow: 0 12px 28px -4px rgba(5, 150, 105, 0.08), 0 4px 8px rgba(0, 0, 0, 0.02);
}

.notable_icon_box {
    width: 44px;
    height: 44px;
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
    border-radius: 10px;
    color: #059669;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
    margin-top: 0.15rem;
}

.notable_card_content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.notable_card_title {
    font-family: var(--font-heading);
    font-size: 1.18rem;
    font-weight: 700;
    color: #0f172a;
    line-height: 1.35;
    margin-bottom: 0.5rem;
}

.notable_card_desc {
    font-family: var(--font-serif);
    font-size: 0.95rem;
    color: #475569;
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

.notable_tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.notable_tag {
    font-size: 0.75rem;
    font-weight: 500;
    color: #475569;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 9999px;
    padding: 0.2rem 0.75rem;
}

.notable_actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-top: 0.25rem;
}

.notable_action_link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.925rem;
    font-weight: 600;
    color: #059669;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.notable_action_link:hover {
    color: #047857;
}

.notable_action_link i {
    font-size: 1.15rem;
}

/* --------------------------------------------------------------------------
   11. Contact Section
   -------------------------------------------------------------------------- */
.contact_wrapper {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 3rem;
    align-items: flex-start;
}

.contact_info {
    display: flex;
    flex-direction: column;
}

.contact_info_title {
    font-size: 1.5rem;
    margin-bottom: 0.85rem;
}

.contact_info_text {
    font-size: 1.025rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.65;
}

.contact_items {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 2.25rem;
}

.contact_item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.contact_item:hover {
    border-color: var(--border-hover);
    transform: translateX(4px);
}

.contact_icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    flex-shrink: 0;
}

.contact_item_label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.contact_item_val {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
}

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

/* Contact Form Card */
.contact_form_card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2.25rem;
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-card);
}

.contact_form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form_row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.form_group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form_label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form_input {
    width: 100%;
    padding: 0.85rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.938rem;
    transition: all var(--transition-fast);
}

.form_input:focus {
    border-color: var(--primary);
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.15);
}

.form_input::placeholder {
    color: var(--text-muted);
}

.form_textarea {
    resize: vertical;
    min-height: 120px;
}

.form_feedback {
    margin-top: 0.5rem;
    font-size: 0.938rem;
    text-align: center;
    min-height: 1.5rem;
    transition: opacity var(--transition-normal);
}

.form_feedback.success { color: #10b981; }
.form_feedback.error { color: #ef4444; }

/* --------------------------------------------------------------------------
   12. Footer
   -------------------------------------------------------------------------- */
.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
    padding-top: 4.5rem;
    padding-bottom: 2.5rem;
    position: relative;
    z-index: 1;
}

.footer_container {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.footer_brand {
    text-align: center;
    max-width: 520px;
    margin: 0 auto;
}

.footer_logo {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    display: inline-block;
    margin-bottom: 0.75rem;
}

.footer_tagline {
    font-size: 0.938rem;
    color: var(--text-muted);
}

.footer_links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer_nav_link {
    font-size: 0.938rem;
    font-weight: 500;
    color: var(--text-secondary);
}

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

.footer_bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 2rem;
    border-top: 1px solid var(--border-subtle);
    font-size: 0.875rem;
    color: var(--text-muted);
}

.back_to_top {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

/* --------------------------------------------------------------------------
   100 Days of DevOps Challenge Cards
   -------------------------------------------------------------------------- */
.story_card {
    background: #ffffff;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2.25rem 2.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2.5rem;
    margin-bottom: 2.75rem;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: all var(--transition-normal);
}

.story_card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
}

.story_card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 14px 28px -5px rgba(5, 150, 105, 0.12), 0 8px 16px rgba(0, 0, 0, 0.04);
}

.story_card_content {
    flex: 1;
    max-width: 820px;
}

.story_badge {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.813rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #047857;
    background: var(--primary-subtle);
    border: 1px solid var(--primary-border);
    padding: 0.3rem 0.85rem;
    border-radius: var(--radius-full);
    margin-bottom: 1rem;
}

.story_title {
    font-size: clamp(1.35rem, 2.2vw, 1.7rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.story_desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 1.25rem;
}

.story_tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.story_action {
    flex-shrink: 0;
}

.story_action .btn {
    white-space: nowrap;
}

@media screen and (max-width: 868px) {
    .story_card {
        flex-direction: column;
        align-items: flex-start;
        padding: 1.75rem 1.5rem;
        gap: 1.5rem;
    }

    .story_action {
        width: 100%;
    }

    .story_action .btn {
        width: 100%;
        justify-content: center;
    }
}

.challenge_grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.75rem;
}

@media screen and (min-width: 1100px) {
    .challenge_grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* 2 Cards Per Row Grid for Linux Phases */
.phases_grid_2col {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 5rem;
}

@media screen and (max-width: 868px) {
    .phases_grid_2col {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

.phase_card {
    background: #ffffff;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.85rem 1.6rem;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-card);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.phase_card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.phase_card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 14px 28px -5px rgba(5, 150, 105, 0.12), 0 8px 16px rgba(0, 0, 0, 0.04);
}

.phase_card:hover::before {
    opacity: 1;
}

.phase_card_header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.15rem;
}

.phase_card_badge {
    font-size: 0.813rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #047857;
    background: var(--primary-subtle);
    border: 1px solid var(--primary-border);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
}

.phase_card_duration {
    font-size: 0.813rem;
    color: var(--secondary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.phase_card_title {
    font-size: 1.15rem;
    margin-bottom: 0.65rem;
    line-height: 1.35;
    color: var(--text-primary);
}

.phase_card_desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.25rem;
    flex-grow: 1;
}

.phase_card_desc code {
    background: var(--bg-secondary);
    color: var(--primary);
    padding: 0.15rem 0.35rem;
    border-radius: 4px;
    font-size: 0.85em;
}

.phase_tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-bottom: 1.5rem;
}

.phase_tags .work_tag {
    font-size: 0.688rem;
    padding: 0.16rem 0.5rem;
    text-transform: lowercase;
}

.phase_btn {
    align-self: flex-start;
    margin-top: auto;
    width: 100%;
}

/* --------------------------------------------------------------------------
   13. Responsive Media Queries
   -------------------------------------------------------------------------- */
@media screen and (max-width: 992px) {
    .hero_container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3.5rem;
    }

    .hero_content {
        align-items: center;
    }

    .hero_description {
        margin-left: auto;
        margin-right: auto;
    }

    .cert_badges_row {
        justify-content: center;
    }

    .hero_actions {
        justify-content: center;
    }

    .hero_social {
        justify-content: center;
    }

    .about_grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .cert_grid {
        grid-template-columns: 1fr;
    }

    .contact_wrapper {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

@media screen and (max-width: 768px) {
    :root {
        --header-height: 4rem;
    }

    .section {
        padding-top: 4.5rem;
        padding-bottom: 4.5rem;
    }

    /* Mobile Navigation Drawer */
    .nav_menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--border-subtle);
        padding: 2rem 1.5rem;
        flex-direction: column;
        align-items: stretch;
        gap: 1.5rem;
        transform: translateY(-120%);
        transition: transform var(--transition-normal);
        z-index: 999;
        visibility: hidden;
    }

    .nav_menu.show {
        transform: translateY(0);
        visibility: visible;
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.08);
    }

    .nav_list {
        flex-direction: column;
        align-items: center;
        gap: 1.25rem;
    }

    .nav_link {
        font-size: 1.15rem;
        padding: 0.4rem 0;
    }

    .nav_cta-desktop {
        display: none;
    }

    .nav_cta-mobile {
        display: flex;
        flex-direction: column;
        gap: 0.75rem;
        margin-top: 1rem;
    }

    .nav_toggle {
        display: block;
    }

    .hero_photo_wrapper {
        width: 270px;
        height: 330px;
    }

    .chip_top { right: -15px; }
    .chip_bottom { left: -15px; }

    .timeline {
        padding-left: 1.5rem;
    }

    .timeline_header {
        flex-direction: column;
        align-items: flex-start;
    }

    .skills_categories {
        grid-template-columns: 1fr;
    }

    .featured_projects_grid,
    .notable_projects_grid {
        grid-template-columns: 1fr;
    }

    .about_stats {
        grid-template-columns: 1fr;
    }

    .form_row {
        grid-template-columns: 1fr;
    }

    .footer_bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media screen and (max-width: 480px) {
    .container {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }

    .hero_photo_wrapper {
        width: 240px;
        height: 290px;
    }

    .floating_chip {
        padding: 0.5rem 0.75rem;
    }

    .chip_top {
        right: -5px;
        top: 10px;
    }

    .chip_bottom {
        left: -5px;
        bottom: 10px;
    }

    .chip_title {
        font-size: 0.75rem;
    }

    .about_highlights {
        grid-template-columns: 1fr;
    }

    .timeline_content {
        padding: 1.5rem;
    }

    .contact_form_card {
        padding: 1.5rem;
    }
}