/*
*   Jack Scoular Portfolio
*   Author: Jack Scoular

*   Version: 1.1
*
*   --- TABLE OF CONTENTS ---
*   1.  Design Tokens (:root)
*   2.  Base & Reset
*   3.  Typography & Links
*   4.  Layout & Containers
*   5.  Header & Navigation
*   6.  Components
*       - Buttons
*       - Project Cards
*       - Image Placeholders
*       - Forms
*   7.  Page-Specific Sections
*   8.  Footer
*   9.  Animations & Accessibility
*   10. Responsive Media Queries
*/

/* 
 * 1. DESIGN TOKENS 
 * =============================================== 
 */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@700&family=Inter:wght@400;500&display=swap');

:root {
    --color-primary: #ffbd00; /* Existing, a vibrant yellow-orange */
    --color-primary-light: #ffeb3b; /* New: Lighter shade of primary */
    --color-primary-dark: #cc9c00; /* New: Darker shade of primary */

    --color-text: #e9e1ec; /* Existing, a light purple-grey */
    --color-heading: #ffffff; /* New: Pure white for headings for contrast */
    --color-body-text: #e9e1ec; /* Renamed existing --color-text to be more specific */

    --color-background: #1a004b; /* Darker background for more depth */
    --color-background-alt: #4d0087; /* Existing, a mid-tone purple, slightly adjusted for harmony */
    --color-card-background: #2b006d; /* New: A specific background for cards */

    --color-border: #ff80aa; /* Existing, a vibrant pink */
    --color-accent: #ff0054; /* New: A general accent color, using existing border color */
    --color-shadow: rgba(0, 0, 0, 0.2); /* Adjusted for more noticeable, softer shadows */

    --color-light-text: #000000; /* Existing, pure black for elements on light backgrounds */
    --color-dark-text: #333333; /* New: For text on lighter backgrounds if needed */

    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    --font-hero: "Inter", sans-serif;

    --font-size-base: 1rem;
    --font-size-sm: 0.875rem;
    --font-size-md: 1.125rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-h1: clamp(3rem, 6vw, 4.5rem); /* Larger H1 */
    --font-size-h2: clamp(2.25rem, 4.5vw, 3.5rem); /* Larger H2 */
    --font-size-h3: clamp(1.75rem, 3.5vw, 2.5rem); /* Larger H3 */
    --font-size-h4: clamp(1.25rem, 2.5vw, 1.75rem); /* Larger H4 */

    --line-height-base: 1.7;
    --line-height-heading: 1.2;

    --container-width: 1200px; /* Slightly wider container */
    --spacing-unit: 1rem;
    --spacing-xs: calc(var(--spacing-unit) * 0.5);
    --spacing-sm: var(--spacing-unit);
    --spacing-md: calc(var(--spacing-unit) * 1.5);
    --spacing-lg: calc(var(--spacing-unit) * 2);
    --spacing-xl: calc(var(--spacing-unit) * 3);
    --spacing-xxl: calc(var(--spacing-unit) * 4);

    --border-radius: 8px; /* Slightly more rounded corners */
    --transition-speed: 300ms; /* Slightly slower transitions for smoothness */
    --box-shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --box-shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --box-shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --gradient-hero: linear-gradient(135deg, #1a004b 0%, #2b006d 40%, #4d0087 100%);
    --glass-background: rgba(255, 255, 255, 0.04);
    --border-subtle: rgba(255, 255, 255, 0.15);
    --glow-primary: 0 0 55px rgba(255, 189, 0, 0.25);
}

/* 
 * 2. BASE & RESET
 * =============================================== 
 */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    line-height: var(--line-height-base);
    color: var(--color-body-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 
 * 3. TYPOGRAPHY & LINKS
 * =============================================== 
 */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--color-heading);
    margin-bottom: var(--spacing-md);
    line-height: var(--line-height-heading);
    font-weight: 700;
}

h1 { font-size: var(--font-size-h1); }
h2 { font-size: var(--font-size-h2); }
h3 { font-size: var(--font-size-h3); }
h4 { font-size: var(--font-size-h4); }

p {
    margin-bottom: var(--spacing-sm);
}

main ul,
main ol {
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

main li + li {
    margin-top: var(--spacing-xs);
}

a {
    color: var(--color-primary-light);
    text-decoration: none;
    transition: color var(--transition-speed) ease-out;
}
a:hover {
    color: var(--color-primary);
}

/* 
 * 4. LAYOUT & CONTAINERS
 * =============================================== 
 */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

main {
    padding-top: 0;
}

.section {
    padding: var(--spacing-xxl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

/* 
 * 5. HEADER & NAVIGATION
 * =============================================== 
 */
#site-header {
    position: sticky;
    top: 0;
    background-color: var(--color-background);
    padding: var(--spacing-sm) 0;
    z-index: 1000;
    box-shadow: var(--box-shadow-sm);
}

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

.brand a {
    font-family: var(--font-heading);
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-heading);
    text-decoration: none;
}

#primary-navigation ul {
    list-style: none;
    display: flex;
    gap: var(--spacing-lg);
}
#primary-navigation li {
    position: relative;
}
#primary-navigation .has-dropdown {
    padding-bottom: var(--spacing-xs); /* extends hover area */
    margin-bottom: calc(-1 * var(--spacing-xs));
}

#primary-navigation a {
    color: var(--color-body-text);
    font-weight: 500;
    font-size: var(--font-size-sm);
    padding-bottom: 4px;
    position: relative;
    text-decoration: none;
    opacity: 0.7;
    transition: opacity var(--transition-speed) ease-out;
}

#primary-navigation a.active,
#primary-navigation a:hover {
    opacity: 1;
    color: var(--color-primary-light);
}
#primary-navigation .has-dropdown > a::after {
    content: '▾';
    margin-left: 6px;
    font-size: 0.8em;
    opacity: 0.8;
}
#primary-navigation .dropdown {
    display: none;
    position: absolute;
    top: 100%; /* remove hover gap */
    left: 0;
    min-width: 220px;
    padding: var(--spacing-xs) 0;
    background: var(--color-card-background);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-md);
    z-index: 1002;
}
#primary-navigation .dropdown li {
    margin: 0;
}
#primary-navigation .dropdown a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-heading);
    opacity: 0.85;
}
#primary-navigation .dropdown a:hover,
#primary-navigation .dropdown a:focus-visible {
    opacity: 1;
    color: var(--color-primary-light);
}
#primary-navigation .has-dropdown:hover > .dropdown,
#primary-navigation .has-dropdown:focus-within > .dropdown {
    display: block;
}

.menu-toggle {
    display: none;
    font-size: var(--font-size-xl);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-body-text);
    z-index: 1001;
}

.mobile-nav-overlay {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-background);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    visibility: hidden;
    opacity: 0;
    z-index: 999;
    transition: opacity var(--transition-speed) ease-out, visibility var(--transition-speed) ease-out;
}
.mobile-nav-overlay.open {
    opacity: 1;
    visibility: visible;
}
.mobile-nav-overlay ul {
    list-style: none;
    text-align: center;
}
.mobile-nav-overlay li {
    margin: var(--spacing-md) 0;
}
.mobile-nav-overlay a {
    color: var(--color-heading);
    font-size: var(--font-size-h3);
    font-family: var(--font-heading);
    text-decoration: none;
    transition: color var(--transition-speed) ease-out;
}
.mobile-nav-overlay a:hover {
    color: var(--color-primary-light);
}
.mobile-nav-overlay .dropdown {
    display: none;
    padding-top: var(--spacing-xs);
}
.mobile-nav-overlay .dropdown li {
    margin: var(--spacing-xs) 0;
}
.mobile-nav-overlay .dropdown a {
    font-family: var(--font-body);
    font-size: var(--font-size-md);
    color: var(--color-body-text);
}
.mobile-nav-overlay .dropdown a:hover {
    color: var(--color-primary-light);
}
.mobile-nav-overlay .has-dropdown > a::after {
    content: '▾';
    margin-left: 6px;
    font-size: 0.8em;
    opacity: 0.8;
}
.mobile-nav-overlay .has-dropdown.open .dropdown {
    display: block;
}

/* 
 * 6. COMPONENTS
 * =============================================== 
 */
.button {
    display: inline-block;
    background-color: var(--color-primary);
    color: var(--color-dark-text);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    font-weight: 600;
    border: 2px solid var(--color-primary);
    text-decoration: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
    transition: all var(--transition-speed) ease-out;
}
.button:hover {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-sm);
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}
.featured-projects-section .project-grid {
    padding: 0 var(--spacing-md);
}
.featured-projects-section .project-card {
    justify-content: flex-start;
    gap: var(--spacing-xs);
}

.project-card {
    background-color: var(--color-card-background);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--box-shadow-md);
    overflow: hidden;
    transition: transform var(--transition-speed) ease-out, box-shadow var(--transition-speed) ease-out;
    display: flex; /* Make it a flex container */
    flex-direction: column; /* Stack children vertically */
    justify-content: space-between;
    gap: var(--spacing-md); /* Consistent spacing between sections */
    padding-bottom: var(--spacing-lg); /* Add space for the button */
    min-height: 720px;
    position: relative;
}
.project-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255, 189, 0, 0.14), rgba(0, 0, 0, 0.25));
    opacity: 0;
    transition: opacity var(--transition-speed) ease-out;
    pointer-events: none;
}   
.project-card::before {
    /* content: '\f06e'; /* eye icon */
    /* font-family: "Font Awesome 5 Free"; */
    font-weight: 900;
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-heading);
    opacity: 0;
    transform: translateY(10px);
    transition: opacity var(--transition-speed) ease-out, transform var(--transition-speed) ease-out;
    text-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    pointer-events: none;
}
.project-card-content {
  padding: var(--spacing-md) var(--spacing-lg) var(--spacing-lg); /* even top spacing under image */
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}
.featured-projects-section .project-card-content {
    padding: var(--spacing-xs) var(--spacing-lg) var(--spacing-lg); /* aproxima chip da imagem */
}
.featured-projects-section .project-card-content {
    padding: var(--spacing-lg); /* extra inset on index cards */
}
.project-card > .button {
    align-self: flex-start;
    margin: var(--spacing-md) 0 0 0;
    display: inline-block;
    width: auto;
    min-width: 0;
    padding: var(--spacing-sm) var(--spacing-lg);
}
.project-card-content .button {
    align-self: flex-start;
}
.featured-projects-section .project-card > .button {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.portfolio-listing-section .project-card {
    min-height: auto;
    padding: 0; /* use content padding only */
    justify-content: flex-start; /* evita empurrar chip para baixo */
    gap: var(--spacing-xs);
}
.portfolio-listing-section .project-card-content {
    padding: var(--spacing-xs) var(--spacing-lg) var(--spacing-lg);
}
.portfolio-listing-section .project-card > .button {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}


.project-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 999px;
    background: rgba(255, 189, 0, 0.12);
    color: var(--color-heading);
    border: 1px solid rgba(255, 189, 0, 0.35);
    font-size: var(--font-size-sm);
    letter-spacing: 0.01em;
    margin-bottom: var(--spacing-xs);
}

.project-card-content .project-details {
    display: grid;
    gap: var(--spacing-xs);
    justify-items: start; /* keep chip/content only as wide as needed */
    padding-bottom: var(--spacing-sm); /* Padding below the text content */
}

.project-card-content h3 {
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-xl);
    color: var(--color-heading);
}
.project-card-content p {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-sm);
    color: var(--color-body-text);
}
.project-card-content .technologies {
    font-size: var(--font-size-sm);
    color: var(--color-primary-light);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

/* Portfolio listing cards (match featured projects layout) */
.portfolio-listing-section .project-card {
    min-height: auto;
    padding-bottom: var(--spacing-lg);
}
.portfolio-listing-section .project-card-content {
    padding: var(--spacing-lg);
}
.portfolio-listing-section .project-card > .button {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

/* Portfolio listing cards alignments (match featured projects) */
.portfolio-listing-section .project-card {
    min-height: auto;
    padding-bottom: var(--spacing-lg);
}
.portfolio-listing-section .project-card-content {
    padding: var(--spacing-lg);
}
.portfolio-listing-section .project-card > .button {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}





.image-placeholder {
    width: 100%;
    min-height: 250px; /* Slightly taller placeholder */
    background-color: var(--color-background-alt);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--color-body-text);
    font-style: italic;
    font-size: var(--font-size-md);
    text-align: center;
    padding: var(--spacing-sm);
}

.project-card .project-image-wrapper {
    display: block;
    position: relative;
    width: 100%;
    padding-top: 60%; /* Adjusted Aspect Ratio for images */
    overflow: hidden;
    background-color: var(--color-background-alt);
}

.project-card .project-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform var(--transition-speed) ease-out;
}

.project-card:hover .project-image {
    transform: scale(1.03); /* Slightly less aggressive zoom */
}
.project-card:hover,
.project-card:focus-within {
    transform: translateY(-8px); /* More pronounced lift */
    box-shadow: var(--box-shadow-lg), var(--glow-primary);
    border-color: rgba(255, 189, 0, 0.6); /* Highlight border */
}
.project-card:hover::after,
.project-card:focus-within::after {
    opacity: 0.12;
}
.project-card:hover::before,
.project-card:focus-within::before {
    opacity: 1;
    transform: translateY(0);
}

.contact-form {
    max-width: 600px;
    margin: var(--spacing-xl) auto;
    background-color: var(--color-card-background);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-md);
}
.contact-form label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--color-heading);
    font-weight: 500;
}
.contact-form input, .contact-form textarea {
    width: 100%;
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    background-color: var(--color-background);
    color: var(--color-body-text);
    transition: border-color var(--transition-speed) ease-out, box-shadow var(--transition-speed) ease-out;
}
.contact-form input:focus, .contact-form textarea:focus {
    outline: none;
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 3px rgba(255, 189, 0, 0.25);
    background-color: rgba(255, 189, 0, 0.04);
}
.contact-form button.button {
    width: auto;
    margin-top: var(--spacing-sm);
}
.contact-form .form-status {
    margin-top: var(--spacing-sm);
    min-height: 1.5em;
    font-size: var(--font-size-sm);
    color: var(--color-body-text);
}
.contact-form .form-status.success {
    color: var(--color-heading);
}
.contact-form .form-status.error {
    color: var(--color-accent);
}
.contact-form .input-success {
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 2px rgba(255, 189, 0, 0.25);
}
.contact-form .input-error {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 2px rgba(255, 0, 84, 0.25);
}

/* 
 * 7. PAGE-SPECIFIC SECTIONS 
 * =============================================== 
 */
.hero-section {
    background: var(--gradient-hero);
    padding: var(--spacing-xxl) 0;
    position: relative;
    overflow: hidden;
}
.hero-section::before {
    content: '';
    position: absolute;
    inset: -35% -30% 15% -30%;
    background: radial-gradient(circle at 18% 32%, rgba(255, 189, 0, 0.18), transparent 55%), radial-gradient(circle at 82% 12%, rgba(255, 255, 255, 0.08), transparent 45%);
    opacity: 0.85;
    filter: blur(70px);
    z-index: 0;
}
.hero-section::after {
    content: '';
    position: absolute;
    inset: -10% -35% -30% -35%;
    background: radial-gradient(circle at 70% 60%, rgba(255, 189, 0, 0.12), transparent 50%), radial-gradient(circle at 10% 70%, rgba(77, 0, 135, 0.35), transparent 45%);
    opacity: 0.55;
    filter: blur(90px);
    z-index: 0;
}
.hero-section .container {
    position: relative;
    z-index: 1;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: var(--spacing-xxl);
}
.hero-copy {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-width: 720px;
    color: var(--color-body-text);
}
.hero-copy h1 {
    font-family: var(--font-hero);
    font-size: var(--font-size-h1);
    margin: 0;
    color: var(--color-heading);
    text-shadow: 0 10px 50px rgba(0, 0, 0, 0.35), 0 0 30px rgba(255, 189, 0, 0.25);
}
.hero-copy .subtitle {
    font-size: var(--font-size-lg);
    max-width: 60ch;
    color: var(--color-body-text);
    opacity: 0.9;
}
.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-weight: 700;
    font-size: var(--font-size-sm);
    color: var(--color-primary-light);
}
.hero-ctas {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}
.button-ghost {
    background-color: transparent;
    color: var(--color-primary-light);
    border-color: rgba(255, 255, 255, 0.45);
}
.button-ghost:hover,
.button-ghost:focus-visible {
    background-color: rgba(255, 255, 255, 0.08);
    border-color: var(--color-primary-light);
    color: var(--color-heading);
    box-shadow: var(--box-shadow-sm);
}
.hero-highlights {
    list-style: none;
    padding-left: 0;
    display: grid;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
}
.hero-highlights li {
    position: relative;
    padding-left: var(--spacing-lg);
    color: var(--color-heading);
    opacity: 0.9;
}
.hero-highlights li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6rem;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-primary);
    box-shadow: 0 0 20px rgba(255, 189, 0, 0.35);
}
.hero-visual {
    justify-self: stretch;
    display: flex;
    align-items: center;
}
.hero-visual-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: calc(var(--border-radius) * 1.5);
    box-shadow: var(--box-shadow-lg), var(--glow-primary);
    
}
.hero-card {
    background: var(--glass-background);
    border: 1px solid var(--border-subtle);
    border-radius: calc(var(--border-radius) * 1.5);
    padding: var(--spacing-xl);
    box-shadow: var(--box-shadow-lg), var(--glow-primary);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(6px);
}
.hero-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 189, 0, 0.08), transparent 55%);
    pointer-events: none;
}
.hero-card h3 {
    color: var(--color-heading);
    font-size: var(--font-size-h3);
    margin: var(--spacing-sm) 0 var(--spacing-md) 0;
    line-height: 1.3;
}
.hero-pill {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    color: var(--color-heading);
    font-size: var(--font-size-sm);
    border: 1px solid var(--border-subtle);
}
.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}
.chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 999px;
    background: rgba(255, 189, 0, 0.12);
    color: var(--color-heading);
    border: 1px solid rgba(255, 189, 0, 0.35);
    font-size: var(--font-size-sm);
    letter-spacing: 0.01em;
}
.hero-meta {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
}
.meta-block {
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-subtle);
}
.meta-label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-primary-light);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-xs);
}
.meta-value {
    color: var(--color-heading);
    font-weight: 600;
}

.section-alt {
    background-color: var(--color-background-alt);
}

.about-content {
    display: flex;
    gap: var(--spacing-xl);
    align-items: flex-start;
    flex-wrap: wrap; /* Allow wrapping on smaller screens */
}
.about-profile-image {
    flex: 0 0 325px; /* Enlarged image area */
    height: 400px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow-md);
    margin: 0 auto; /* Center on small screens */
}
.about-profile-image img {
    width: 100%;
    height: 100%;
    object-fit:cover; /* Keep full image visible */
    display: flex ;
    background: var(--color-background-alt);
}
.about-profile-image .image-placeholder {
    min-height: 100%;
}
.about-text {
    flex: 1;
    min-width: 300px; /* Ensure text doesn't get too narrow */
}
.about-text p {
    font-size: var(--font-size-base);
    color: var(--color-body-text);
}
.about-text h2 {
    color: var(--color-heading);
}
.short-about-section .about-text {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}
.short-about-section .about-text .button {
    margin-top: auto;
    align-self: flex-start;
}
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); /* Adjusted minmax for better layout */
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xxl);
    padding: var(--spacing-xl) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.skill-category {
    background-color: var(--color-card-background);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-sm);
    text-align: left;
}
.skill-category h3 {
    color: var(--color-primary-light);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-xl);
}
.skill-category ul {
    list-style: none; /* Remove default list style */
    padding-left: 0;
}
.skill-category li {
    margin-bottom: var(--spacing-xs);
    color: var(--color-body-text);
    font-size: var(--font-size-base);
    position: relative;
    padding-left: var(--spacing-md);
}
.skill-category li::before {
    content: '•'; /* Custom bullet point */
    color: var(--color-primary);
    position: absolute;
    left: 0;
}

.timeline-section {
    padding-top: var(--spacing-xxl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: var(--spacing-xxl);
    border-radius: var(--border-radius);
}
.timeline {
    position: relative;
    max-width: 900px;
    margin: var(--spacing-xl) auto;
    padding: var(--spacing-sm) 0;
}
.timeline::before {
    content: '';
    position: absolute;
    width: 2px;
    background-color: var(--color-primary-light);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -1px;
    z-index: 0;
}
.timeline-item {
    padding: var(--spacing-xl) 0;
    position: relative;
    width: 50%;
}
.timeline-item:nth-child(odd) {
    left: 0;
    padding-right: var(--spacing-xl);
    text-align: right;
}
.timeline-item:nth-child(even) {
    left: 50%;
    padding-left: var(--spacing-xl);
    text-align: left;
}
.timeline-item::before {
    content: '';
    position: absolute;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 2px solid var(--color-background);
    top: 50%;
    transform: translateY(-50%);
    z-index: 1;
}
.timeline-item:nth-child(odd)::before {
    right: -6px;
}
.timeline-item:nth-child(even)::before {
    left: -6px;
}
.timeline-item h3 {
    font-size: var(--font-size-md);
    color: var(--color-heading);
    margin-bottom: var(--spacing-xs);
}
.timeline-item p {
    font-size: var(--font-size-sm);
    color: var(--color-body-text);
    line-height: 1.5;
}

.project-single-section {
    padding-top: var(--spacing-xxl);
}
.project-single-section h1 {
    font-size: var(--font-size-h2);
    text-align: center;
    color: var(--color-heading);
    max-width: 25ch;
    margin-left: auto;
    margin-right: auto;
}
.project-single-section .subtitle {
    font-size: var(--font-size-lg);
    text-align: center;
    margin: var(--spacing-sm) auto var(--spacing-xl) auto;
    color: var(--color-body-text);
    max-width: 60ch;
}
.project-hero-image {
    min-height: 500px;
    margin-bottom: var(--spacing-xxl);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow-lg);
}
.project-hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.project-details-grid {
    display: grid;
    grid-template-columns: 2fr 1fr; /* Main content wider than details sidebar */
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xxl);
}
.project-details-grid h2 {
    font-size: var(--font-size-h3);
    color: var(--color-primary-light);
    margin-bottom: var(--spacing-md);
}
.project-details-grid p {
    color: var(--color-body-text);
    font-size: var(--font-size-base);
}
.project-details-grid dl {
    margin-top: var(--spacing-md);
}
.project-details-grid dt {
    font-weight: 700;
    color: var(--color-heading);
    margin-top: var(--spacing-sm);
}
.project-details-grid dd {
    margin-left: 0;
    margin-bottom: var(--spacing-sm);
    color: var(--color-body-text);
}
.project-details-grid dd a {
    color: var(--color-primary-light);
}

.highlights {
    background-color: var(--color-card-background);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-md);
    margin-bottom: var(--spacing-xxl);
}
.highlights h2 {
    color: var(--color-primary-light);
    margin-bottom: var(--spacing-md);
}
.highlights ul {
    list-style: none;
    padding-left: 0;
}
.highlights li {
    position: relative;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--color-body-text);
}
.highlights li::before {
    content: '✔';
    color: var(--color-primary);
    position: absolute;
    left: 0;
}

.back-to-portfolio {
    text-align: center;
    margin-top: var(--spacing-xxl);
}

.project-carousel {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--glass-background);
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-md);
    position: relative;
}
.carousel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
}
.carousel-controls {
    position: absolute;
    top: -56px; /* place arrows above the carousel */
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    pointer-events: none;
}
.carousel-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid var(--border-subtle);
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-heading);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-speed) ease-out;
    pointer-events: auto;
}
.carousel-btn:hover,
.carousel-btn:focus-visible {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-primary-light);
    color: var(--color-primary-light);
}
.carousel-track {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: calc((100% - var(--spacing-md)) / 2); /* show two cards on desktop */
    gap: var(--spacing-md); 
    align-items: stretch;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding: 0; /* let images fill the card height */
    scrollbar-width: none;
}
.carousel-track::-webkit-scrollbar {
    height: 8px;
}
.carousel-track::-webkit-scrollbar-thumb {
   display: none;
}
.carousel-card {
    scroll-snap-align: start;
    background: transparent;
    border: none;
    border-radius: 0;
    overflow: hidden;
    box-shadow: none;
    transition: transform var(--transition-speed) ease-out, box-shadow var(--transition-speed) ease-out;
    height: 420px;
}
.carousel-card a {
    display: block;
    color: var(--color-heading);
    text-decoration: none;
    height: 100%;
}
.carousel-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: var(--spacing-xs);
    overflow: hidden;

}
.carousel-card:hover,
.carousel-card:focus-within {
    transform: translateY(-4px);
    box-shadow: none;
    border-color: transparent;
}

@media (max-width: 768px) {
    .carousel-track {
        grid-auto-columns: 100%; /* one card per view on mobile */
    }
    .carousel-card {
        height: 280px;
    }
}

.cta-section {
    text-align: center;
    padding: var(--spacing-xxl) 0;
}
.cta-section h2 {
    font-size: var(--font-size-h2);
    color: var(--color-heading);
    margin-bottom: var(--spacing-md);
}
.cta-section p {
    font-size: var(--font-size-lg);
    color: var(--color-body-text);
    max-width: 60ch;
    margin: 0 auto var(--spacing-xl) auto;
}

.intro-paragraph {
    font-size: var(--font-size-lg);
    text-align: center;
    max-width: 70ch;
    margin: var(--spacing-md) auto var(--spacing-xl) auto;
    color: var(--color-body-text);
}

.map-and-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    margin-top: var(--spacing-xxl);
}
.map-placeholder {
    width: 100%;
    min-height: 500px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    flex-direction: column;
    overflow: hidden;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--color-card-background);
    box-shadow: var(--box-shadow-md);
}
.map-placeholder .map-fallback {
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--color-body-text);
}
.map-placeholder .map-fallback strong {
    display: block;
    color: var(--color-heading);
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-md);
}
.map-placeholder span {
    font-size: var(--font-size-sm);
    color: var(--color-body-text);
}

.collaboration-info h2 {
    font-size: var(--font-size-h3);
    color: var(--color-heading);
    margin-bottom: var(--spacing-sm);
}
.collaboration-info h3 {
    font-size: var(--font-size-xl);
    color: var(--color-primary-light);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}
.collaboration-info p {
    color: var(--color-body-text);
    font-size: var(--font-size-base);
}

/* 
 * 8. FOOTER
 * =============================================== 
 */
#site-footer {
    background-color: var(--color-background-alt);
    color: var(--color-body-text);
    padding: var(--spacing-lg) 0;
    margin-top: var(--spacing-xxl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

#site-footer .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

#site-footer p {
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
}

#site-footer a {
    color: var(--color-body-text);
    opacity: 0.7;
}
#site-footer a:hover {
    opacity: 1;
    color: var(--color-primary-light);
}
#site-footer .social-links {
    list-style: none;
    padding: 0;
    margin: var(--spacing-sm) 0 0 0;
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
}
#site-footer .social-links a {
    font-size: var(--font-size-xl);
    transition: color var(--transition-speed) ease-out;
}
#site-footer .social-links a:hover {
    color: var(--color-primary);
}

/* 
 * 9. ANIMATIONS & ACCESSIBILITY
 * =============================================== 
 */
:focus-visible {
    outline: 2px solid var(--color-primary-light);
    outline-offset: 3px;
    border-radius: var(--border-radius);
}

@media (prefers-reduced-motion: no-preference) {
    a, .button, .project-card, .contact-form input, .contact-form textarea, #site-footer a {
        transition: all var(--transition-speed) ease-out;
    }

    #primary-navigation a::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 2px; /* Thicker underline */
        background-color: var(--color-primary);
        transform: scaleX(0);
        transform-origin: left;
        transition: transform var(--transition-speed) ease-out;
    }
    #primary-navigation a.active::after,
    #primary-navigation a:hover::after,
    #primary-navigation a:focus-visible::after {
        transform: scaleX(1);
    }
    .button:hover,
    .button:focus-visible {
        background-color: var(--color-primary-dark); /* Darker on hover */
        border-color: var(--color-primary-dark);
        color: var(--color-dark-text);
        transform: translateY(-3px);
        box-shadow: var(--box-shadow-md);
    }
    .project-card:hover, .project-card:focus-within {
        transform: translateY(-8px); /* More pronounced lift */
        box-shadow: var(--box-shadow-lg);
        border-color: var(--color-primary-light); /* Highlight border */
    }
    
    .contact-form input:focus, .contact-form textarea:focus {
        outline: none;
        border-color: var(--color-primary-light);
        box-shadow: 0 0 0 3px rgba(255, 189, 0, 0.3);
    }

    .reveal-on-scroll {
        opacity: 0;
        transform: translateY(30px); /* More pronounced slide-up */
        transition: opacity 600ms ease-out, transform 600ms ease-out;
    }
    
    .reveal-on-scroll.is-visible {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
}

/* 
 * 10. RESPONSIVE MEDIA QUERIES
 * =============================================== 
 */
/* 
 * 10. RESPONSIVE MEDIA QUERIES
 * =============================================== 
 */
/* Tablet and smaller devices */
@media (max-width: 992px) {
    .timeline {
        --timeline-axis: var(--spacing-lg);
    }
    .container {
        padding: 0 var(--spacing-md);
    }
    .hero-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    .hero-copy {
        text-align: center;
        align-items: center;
        margin: 0 auto;
    }
    .hero-copy h1,
    .hero-copy .subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    .hero-ctas {
        justify-content: center;
    }
    .hero-highlights {
        margin-left: auto;
        margin-right: auto;
        max-width: 540px;
    }
    .hero-highlights li {
        padding-left: var(--spacing-lg);
    }
    .hero-highlights li::before {
        left: 0;
    }
    .hero-visual {
        max-width: 620px;
        margin: 0 auto;
    }
    .hero-section h1 {
        font-size: var(--font-size-h2);
    }
    .hero-section .subtitle {
        font-size: var(--font-size-base);
    }
    .about-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .about-profile-image {
        margin-bottom: var(--spacing-lg);
    }
    .about-text {
        min-width: unset; /* Remove min-width constraint */
    }
    .project-details-grid {
        grid-template-columns: 1fr; /* Stack content on tablet */
    }
    .map-and-info-grid {
        grid-template-columns: 1fr; /* Stack content on tablet */
        text-align: center;
    }
    .map-placeholder {
        min-height: 300px;
    }
    .collaboration-info h2, .collaboration-info h3 {
        text-align: center;
    }
    .timeline {
        max-width: unset; /* Allow to take full width */
        margin: var(--spacing-xl) var(--spacing-md); /* Adjust margin for smaller screens */
        padding: var(--spacing-sm) 0;
    }
    .timeline::before {
        left: var(--timeline-axis); /* Position vertical line to the left */
        margin-left: 0;
    }
    .timeline-item {
        width: 100%;
        padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-sm) calc(var(--timeline-axis) + var(--spacing-lg)); /* Adjust padding for bullet point and text */
        text-align: left; /* Ensure left alignment */
        position: relative; /* Ensure ::before is positioned relative to this */
    }
    .timeline-item:nth-child(odd),
    .timeline-item:nth-child(even) {
        left: 0;
        padding-right: var(--spacing-sm); /* Keep right padding consistent */
    }
    .timeline-item::before {
        left: calc(var(--timeline-axis) + 1px); /* Nudge to center on the 2px line */
        top: 1.2rem; /* A fixed value to align with the first line of text */
        transform: translate(-50%, -50%); /* Center bullet on the line */
    }
    .timeline-item:nth-child(odd)::before,
    .timeline-item:nth-child(even)::before {
        left: calc(var(--timeline-axis) + 1px);
        right: auto;
    }
    .featured-projects-section .project-grid {
        padding: 0; /* match portfolio card width on tablet/mobile */
    }
    .featured-projects-section .project-card {
        justify-content: flex-start;
        gap: var(--spacing-xs);
    }
    .featured-projects-section .project-card-content {
        padding: var(--spacing-xs) var(--spacing-lg) var(--spacing-lg);
    }
    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    .skill-category {
        text-align: center;
    }
    .skill-category li {
        padding-left: 0;
        text-align: center;
    }
    .skill-category li::before {
        position: static;
        margin-right: 5px;
    }
}

/* Mobile devices */
@media (max-width: 768px) {
    #primary-navigation {
        display: none;
    }
    .menu-toggle {
        display: block;
    }
    .section {
        padding: var(--spacing-xl) 0;
    }
    .hero-section {
        padding: var(--spacing-xl) 0;
    }
    .section-title {
        margin-bottom: var(--spacing-lg);
    }
    .project-grid {
        grid-template-columns: 1fr; /* Single column on mobile */
    }
   
    .featured-projects-section .container {
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
    }
    .featured-projects-section .project-card {
        min-height: auto;
        padding: var(--spacing-sm);
        justify-content: flex-start;
        gap: var(--spacing-xs);
    }
    .featured-projects-section .project-card-content {
        padding: var(--spacing-xs) var(--spacing-sm) var(--spacing-sm);
    }
    .project-card {
        padding: var(--spacing-sm);
    }
    .project-card-content {
        padding: var(--spacing-sm);
    }
    .portfolio-listing-section .project-card {
        min-height: auto;
        padding: 0;
    }
    .portfolio-listing-section .project-card-content {
        padding: var(--spacing-sm) var(--spacing-lg) var(--spacing-lg);
    }
    .portfolio-listing-section .project-card > .button {
        margin-left: var(--spacing-sm);
        margin-bottom: var(--spacing-sm);
    }

    .about-profile-image {
        flex: 0 0 235px;
        height: 235px;
    }
    .skills-grid {
        grid-template-columns: 1fr; /* Single column on mobile */
    }
    .timeline {
        --timeline-axis: var(--spacing-md);
    }
    .timeline::before {
        left: var(--timeline-axis);
        top: var(--spacing-sm);
        bottom: var(--spacing-sm);
        margin-left: 0;
    }
    .timeline-item {
        width: 100%;
        left: 0;
        text-align: left;
        padding: var(--spacing-md) var(--spacing-sm) var(--spacing-md) calc(var(--timeline-axis) + var(--spacing-lg));
    }
    .timeline-item::before {
        left: calc(var(--timeline-axis) + 1px);
        top: var(--spacing-sm);
        transform: translate(-50%, -50%);
    }
    .project-hero-image {
        min-height: 300px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    .hero-section h1 {
        font-size: var(--font-size-h3);
    }
    .hero-section .subtitle {
        font-size: var(--font-size-sm);
    }
    .mobile-nav-overlay a {
        font-size: var(--font-size-h4);
    }
    .contact-form {
        padding: var(--spacing-lg);
        margin: var(--spacing-lg) auto;
    }
    .map-placeholder {
        min-height: 250px;
    }
}

@media (min-width: 768px) {
  .featured-project-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}