:root {
    /* Global Design Tokens */
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Playfair Display', serif;
    --border-radius: 8px;
    --transition-speed: 0.3s;

    /* Light Mode Palette */
    --primary-color-base: #e25c4a;       /* Business Blue */
    --secondary-color-base: #e36150;     /* Teal/Aqua */
    --accent-color-base: #ffe5e1;        /* Light Cream/Yellow */
    --accent-dark-base: #f54323;         /* Orange */
    --background-color-base: #FFFFFF;     /* White */
    --text-color-base: #4A4A4A;           /* Dark Grey */
    --heading-color-base: #333333;        /* Very Dark Grey / Black */
    --pure-white-base: #FFFFFF;
    --card-bg-base: var(--pure-white-base);
    --card-border-base: #E0E0E0;
    --shadow-base: 0 4px 12px rgba(0, 0, 0, 0.06);
    --shadow-hover-base: 0 7px 20px rgba(0, 0, 0, 0.1);
    --profile-pic-border-base: #e36150; /* Lightened primary for border */
    --skill-pill-bg-base: var(--accent-color-base);
    --skill-pill-text-base: var(--heading-color-base);
    --footer-bg-base: var(--heading-color-base);
    --footer-text-base: #b7a0c0; /* Lighter grey for footer text on dark bg */
    --go-top-bg-base: var(--primary-color-base);
    --go-top-text-base: var(--pure-white-base);
    --go-top-bg-hover-base: var(--secondary-color-base);
    --hero-grad-start-base: var(--primary-color-base);
    --hero-grad-end-base: var(--secondary-color-base);
    --hero-text-on-grad-base: var(--pure-white-base);
    --hero-h2-text-base: rgba(255, 255, 255, 0.85);
    --hero-tagline-text-base: rgba(255, 255, 255, 0.9);
    --hero-cta-bg-base: var(--pure-white-base);
    --hero-cta-text-base: var(--primary-color-base);
    --hero-cta-secondary-border-base: var(--pure-white-base);
    --hero-cta-secondary-text-base: var(--pure-white-base);
    --nav-bg-base: var(--pure-white-base);
    --nav-link-text-base: var(--text-color-base);
    --nav-link-active-bg-base: var(--accent-color-base);
    --nav-link-active-text-base: var(--primary-color-base);
    --nav-shadow-base: 0 2px 8px rgba(0, 0, 0, 0.07);
    --toggle-btn-border-base: var(--text-color-base);
    --toggle-btn-text-base: var(--text-color-base);
    --toggle-btn-hover-bg-base: var(--accent-color-base);
    --toggle-btn-hover-text-base: var(--primary-color-base);

    /* Dark Mode Palette */
    --primary-color-dark-mode: #7ae24a;     /* Teal */
    --secondary-color-dark-mode: #86e350;   /* Blue */
    --accent-color-dark-mode: #2D3748;      /* Dark Blue-Grey */
    --accent-dark-dark-mode: #68e350;   /* Blue */
    --background-color-dark-mode: #1A202C;  /* Very Dark Blue/Grey */
    --text-color-dark-mode: #E2E8F0;        /* Light Grey */
    --heading-color-dark-mode: #FFFFFF;      /* White */
    --pure-white-dark-mode: #E2E8F0;
    --card-bg-dark-mode: #222B3A; /* Slightly lighter than bg for cards */
    --card-border-dark-mode: #3A455A;
    --shadow-dark-mode: 0 5px 15px rgba(0, 0, 0, 0.3);
    --shadow-hover-dark-mode: 0 8px 22px rgba(0, 0, 0, 0.4);
    --profile-pic-border-dark-mode: #50e350; /* Lightened dark primary for border */
    --skill-pill-bg-dark-mode: var(--accent-color-dark-mode);
    --skill-pill-text-dark-mode: var(--text-color-dark-mode);
    --footer-bg-dark-mode: #12161F;
    --footer-text-dark-mode: #A0AEC0;
    --go-top-bg-dark-mode: var(--primary-color-dark-mode);
    --go-top-text-dark-mode: var(--background-color-dark-mode);
    --go-top-bg-hover-dark-mode: var(--secondary-color-dark-mode);
    --hero-grad-start-dark-mode: var(--secondary-color-dark-mode); /* Swapped for dark mode aesthetics */
    --hero-grad-end-dark-mode: var(--primary-color-dark-mode);
    --hero-text-on-grad-dark-mode: var(--heading-color-dark-mode);
    --hero-h2-text-dark-mode: rgba(226, 232, 240, 0.85);
    --hero-tagline-text-dark-mode: rgba(226, 232, 240, 0.9);
    --hero-cta-bg-dark-mode: var(--accent-color-dark-mode);
    --hero-cta-text-dark-mode: var(--primary-color-dark-mode);
    --hero-cta-secondary-border-dark-mode: var(--primary-color-dark-mode);
    --hero-cta-secondary-text-dark-mode: var(--primary-color-dark-mode);
    --nav-bg-dark-mode: #1F2734; /* Slightly lighter than main bg for nav */
    --nav-link-text-dark-mode: var(--text-color-dark-mode);
    --nav-link-active-bg-dark-mode: var(--accent-color-dark-mode);
    --nav-link-active-text-dark-mode: var(--primary-color-dark-mode);
    --nav-shadow-dark-mode: 0 2px 10px rgba(0,0,0,0.25);
    --toggle-btn-border-dark-mode: var(--text-color-dark-mode);
    --toggle-btn-text-dark-mode: var(--text-color-dark-mode);
    --toggle-btn-hover-bg-dark-mode: var(--accent-color-dark-mode);
    --toggle-btn-hover-text-dark-mode: var(--primary-color-dark-mode);

    /* Assign Default (Light Mode) Variables */
    --primary-color: var(--primary-color-base);
    --secondary-color: var(--secondary-color-base);
    --accent-color: var(--accent-color-base);
    --accent-dark: var(--accent-dark-base);
    --background-color: var(--background-color-base);
    --text-color: var(--text-color-base);
    --heading-color: var(--heading-color-base);
    --pure-white: var(--pure-white-base);
    --card-bg: var(--card-bg-base);
    --card-border: var(--card-border-base);
    --shadow: var(--shadow-base);
    --shadow-hover: var(--shadow-hover-base);
    --profile-pic-border: var(--profile-pic-border-base);
    --skill-pill-bg: var(--skill-pill-bg-base);
    --skill-pill-text: var(--skill-pill-text-base);
    --footer-bg: var(--footer-bg-base);
    --footer-text: var(--footer-text-base);
    --go-top-bg: var(--go-top-bg-base);
    --go-top-text: var(--go-top-text-base);
    --go-top-bg-hover: var(--go-top-bg-hover-base);
    --hero-grad-start: var(--hero-grad-start-base);
    --hero-grad-end: var(--hero-grad-end-base);
    --hero-text-on-grad: var(--hero-text-on-grad-base);
    --hero-h2-text: var(--hero-h2-text-base);
    --hero-tagline-text: var(--hero-tagline-text-base);
    --hero-cta-bg: var(--hero-cta-bg-base);
    --hero-cta-text: var(--hero-cta-text-base);
    --hero-cta-secondary-border: var(--hero-cta-secondary-border-base);
    --hero-cta-secondary-text: var(--hero-cta-secondary-text-base);
    --nav-bg: var(--nav-bg-base);
    --nav-link-text: var(--nav-link-text-base);
    --nav-link-active-bg: var(--nav-link-active-bg-base);
    --nav-link-active-text: var(--nav-link-active-text-base);
    --nav-shadow: var(--nav-shadow-base);
    --toggle-btn-border: var(--toggle-btn-border-base);
    --toggle-btn-text: var(--toggle-btn-text-base);
    --toggle-btn-hover-bg: var(--toggle-btn-hover-bg-base);
    --toggle-btn-hover-text: var(--toggle-btn-hover-text-base);
}

body.dark-mode {
    --primary-color: var(--primary-color-dark-mode);
    --secondary-color: var(--secondary-color-dark-mode);
    --accent-color: var(--accent-color-dark-mode);
    --accent-dark: var(--accent-dark-dark-mode);
    --background-color: var(--background-color-dark-mode);
    --text-color: var(--text-color-dark-mode);
    --heading-color: var(--heading-color-dark-mode);
    --pure-white: var(--pure-white-dark-mode);
    --card-bg: var(--card-bg-dark-mode);
    --card-border: var(--card-border-dark-mode);
    --shadow: var(--shadow-dark-mode);
    --shadow-hover: var(--shadow-hover-dark-mode);
    --profile-pic-border: var(--profile-pic-border-dark-mode);
    --skill-pill-bg: var(--skill-pill-bg-dark-mode);
    --skill-pill-text: var(--skill-pill-text-dark-mode);
    --footer-bg: var(--footer-bg-dark-mode);
    --footer-text: var(--footer-text-dark-mode);
    --go-top-bg: var(--go-top-bg-dark-mode);
    --go-top-text: var(--go-top-text-dark-mode);
    --go-top-bg-hover: var(--go-top-bg-hover-dark-mode);
    --hero-grad-start: var(--hero-grad-start-dark-mode);
    --hero-grad-end: var(--hero-grad-end-dark-mode);
    --hero-text-on-grad: var(--hero-text-on-grad-dark-mode);
    --hero-h2-text: var(--hero-h2-text-dark-mode);
    --hero-tagline-text: var(--hero-tagline-text-dark-mode);
    --hero-cta-bg: var(--hero-cta-bg-dark-mode);
    --hero-cta-text: var(--hero-cta-text-dark-mode);
    --hero-cta-secondary-border: var(--hero-cta-secondary-border-dark-mode);
    --hero-cta-secondary-text: var(--hero-cta-secondary-text-dark-mode);
    --nav-bg: var(--nav-bg-dark-mode);
    --nav-link-text: var(--nav-link-text-dark-mode);
    --nav-link-active-bg: var(--nav-link-active-bg-dark-mode);
    --nav-link-active-text: var(--nav-link-active-text-dark-mode);
    --nav-shadow: var(--nav-shadow-dark-mode);
    --toggle-btn-border: var(--toggle-btn-border-dark-mode);
    --toggle-btn-text: var(--toggle-btn-text-dark-mode);
    --toggle-btn-hover-bg: var(--toggle-btn-hover-bg-dark-mode);
    --toggle-btn-hover-text: var(--toggle-btn-hover-text-dark-mode);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.7;
    color: var(--text-color);
    background-color: var(--background-color);
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--heading-color);
    margin-bottom: 0.8rem;
    line-height: 1.3;
}

h1 {
    font-family: var(--font-secondary);
    font-weight: 700;
}

h2.section-title {
    font-size: 2.2rem;
    font-weight: 600;
    color: var(--primary-color);
    text-align: center;
    margin-top: 4rem;
    margin-bottom: 2.5rem;
    position: relative;
    padding-bottom: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

h2.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 70px;
    height: 4px;
    background-color: var(--secondary-color);
    border-radius: 2px;
}

.icon-left {
    margin-right: 0.8rem;
    color: var(--secondary-color);
}

a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: color var(--transition-speed) ease;
}

a:hover {
    color: var(--primary-color);
    text-decoration: none;
}

ul {
    list-style: none;
    padding-left: 0;
}

/* Card Style */
.card {
    background: var(--card-bg);
    padding: 1.8rem 2.2rem; /* Slightly increased padding */
    border-radius: var(--border-radius);
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow);
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease, background-color var(--transition-speed) ease, border-color var(--transition-speed) ease;
    margin-bottom: 1.5rem;
}

.card:hover {
    transform: translateY(-6px); /* Slightly more lift */
    box-shadow: var(--shadow-hover);
}

/* --- Header/Hero Section --- */
#hero {
    background: linear-gradient(135deg, var(--hero-grad-start), var(--hero-grad-end));
    color: var(--hero-text-on-grad);
    text-align: center;
    padding: 5rem 20px 4rem;
    position: relative;
    overflow: hidden;
}
.hero-container {
    position: relative;
    z-index: 2;
}

#hero .profile-pic {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    border: 5px solid var(--profile-pic-border);
    margin-bottom: 1.5rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.18); /* Refined shadow */
    object-fit: cover;
}

#hero h1 {
    color: var(--footer-bg-dark-mode);
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

#hero h2 {
    color: var(--footer-bg-dark-mode);
    font-weight: 400;
    font-size: 1.5rem;
    margin-top: 0;
    margin-bottom: 1.5rem;
    border-bottom: none;
}

#hero .tagline {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: var(--footer-bg-dark-mode);
    font-weight: 300;
}

#hero .location {
    margin-bottom: 2rem;
    color: var(--hero-h2-text);
    font-size: 1rem;
}
#hero .location i {
    margin-right: 8px;
}

.hero-actions {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

#hero .cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--footer-bg-dark-mode);
    color: var(--hero-cta-text);
    padding: 12px 25px;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease, transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

#hero .cta-button:hover {
    background-color: var(--accent-dark-base); /* Using accent-dark for hover on light mode */
    color: var(--pure-white-base);
    text-decoration: none;
    transform: translateY(-3px); 
    box-shadow: 0 4px 8px rgba(0,0,0,0.12);
}
body.dark-mode #hero .cta-button:hover {
    background-color: var(--accent-dark-dark-mode); /* Orange accent for dark mode too */
    color: var(--heading-color-dark-mode);
}

#hero .cta-button.secondary {
    background-color: transparent;
    border: 2px solid var(--hero-cta-secondary-border);
    color: var(--hero-cta-secondary-text);
}
#hero .cta-button.secondary:hover {
    background-color: var(--hero-cta-secondary-border);
    color: var(--primary-color-base); /* Primary color text on white bg for light mode */
}
body.dark-mode #hero .cta-button.secondary:hover {
    background-color: var(--hero-cta-secondary-border-dark-mode);
    color: var(--background-color-dark-mode); /* Dark bg color text on primary color bg for dark mode */
}

#hero .social-link { /* This class is not used in hero now, but kept for potential future use */
    font-size: 1.8em;
    color: var(--hero-tagline-text);
    transition: color var(--transition-speed) ease, transform var(--transition-speed) ease;
    padding: 5px;
}
#hero .social-link:hover {
    color: var(--hero-text-on-grad);
    transform: scale(1.15); 
    text-decoration: none;
}

/* --- Dark Mode Toggle Styles --- */
.dark-mode-toggle {
    background: none;
    border: 1px solid transparent; /* Keep same size, border appears on hover/focus */
    color: var(--toggle-btn-text);
    padding: 0.5rem 0.8rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 0.9rem;
    margin-right: 1rem;
    transition: background-color var(--transition-speed), color var(--transition-speed), border-color var(--transition-speed);
    display: inline-flex;
    align-items: center;
    height: 38px;
}
.dark-mode-toggle:hover {
    background-color: var(--toggle-btn-hover-bg);
    color: var(--toggle-btn-hover-text);
    border-color: var(--toggle-btn-border);
}
.dark-mode-toggle i {
    font-size: 1.1em;
}
.dark-mode-toggle .toggle-text.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

/* --- Navigation --- */
#mainNav {
    background: var(--nav-bg);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--nav-shadow);
    padding: 0.75rem 0; 
    transition: background-color var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.nav-container {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    position: relative;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 0.8rem;
    margin: 0;
}

.nav-list a {
    color: var(--nav-link-text);
    text-decoration: none;
    padding: 0.8rem 1rem;
    border-radius: var(--border-radius);
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
    font-weight: 600;
    font-size: 0.95rem;
}

.nav-list a:hover,
.nav-list a.active-link {
    background-color: var(--nav-link-active-bg);
    color: var(--nav-link-active-text);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--primary-color);
    font-size: 1.3rem;
    cursor: pointer;
    padding: 0.8rem 1rem;
}
.menu-toggle i {
    margin-right: 5px;
}

/* --- Main Content Area --- */
main {
    padding-top: 2rem;
}
.main-content {
     padding: 0;
}

.content-section {
    padding: 2rem 0;
}

/* --- About Section --- */
#about .card {
    padding: 2rem 2.5rem;
}
#about p {
    margin-bottom: 1rem;
}
#about strong {
    color: var(--primary-color);
    font-weight: 600;
}

/* --- Experience & Projects Section --- */
/* Shared styles for .job cards in Experience and Projects */
.job { /* This class is used for articles in Experience and Projects */
    margin-bottom: 2rem;
}

.job h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
}

.job .company {
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 0.3rem;
    font-size: 1rem;
}

.job .duration {
    font-size: 0.95rem;
    color: #757575;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
body.dark-mode .job .duration {
    color: #9e9e9e; 
}

.job ul {
    padding-left: 0;
}
.job ul li {
     margin-bottom: 0.7rem;
     position: relative;
     padding-left: 1.8rem; 
}
.job ul li::before {
    content: "\f105"; /* Chevron right */
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    left: 0;
    top: 5px; 
    color: var(--secondary-color);
    opacity: 0.8;
    font-size: 0.9em;
}

.job ul li strong {
    color: var(--primary-color);
    font-weight: 600;
}

/* --- Skills Section --- */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.skill-category h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-weight: 600;
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 0.6rem;
    display: flex;
    align-items: center;
    font-size: 1.2rem;
}
body.dark-mode .skill-category h3 {
    border-bottom-color: var(--accent-dark-dark-mode); /* Use a more visible accent in dark mode */
}


.skill-category ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex; 
    flex-wrap: wrap;
    gap: 0.5rem; 
}
.skill-category ul li {
    margin-bottom: 0; 
    background-color: var(--skill-pill-bg);
    padding: 8px 16px; 
    border-radius: 20px; 
    display: inline-block;
    font-size: 0.9rem;
    color: var(--skill-pill-text);
    font-weight: 500;
    transition: background-color var(--transition-speed), color var(--transition-speed), transform var(--transition-speed);
}
.skill-category ul li:hover {
    background-color: var(--accent-dark); /* Orange accent for hover in light mode */
    color: var(--pure-white-base);
    transform: translateY(-2px);
}
body.dark-mode .skill-category ul li:hover {
    background-color: var(--primary-color); /* Teal for hover in dark mode */
    color: var(--background-color-dark-mode); /* Dark text on teal bg */
}

/* --- Education & Certs Section --- */
.edu-cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.education h3 { 
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    font-size: 1.2rem;
}
.education h3 i { /* Ensure icon color matches primary */
    color: var(--primary-color);
}

.education p {
    margin-bottom: 0.5rem;
}
.education p i.fas, .education p i.far { /* Generic icon styling for education cards */
    margin-right: 8px;
    color: var(--secondary-color);
}
.education p i.fa-calendar-check {
    color: #757575;
}
body.dark-mode .education p i.fa-calendar-check {
    color: #9e9e9e;
}

.education p strong {
    color: var(--heading-color);
}

/* --- Contact Section --- */
.contact-details {
    text-align: center;
    padding: 2rem;
}
.contact-details p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.contact-list {
    list-style: none;
    padding: 0;
    display: inline-flex;
    flex-direction: column;
    align-items: flex-start; 
    gap: 1rem;
}

.contact-list li {
    display: flex;
    align-items: center;
    font-size: 1.05rem;
}
.contact-list li i {
    margin-right: 1rem;
    color: var(--primary-color);
    width: 25px; 
    text-align: center;
    font-size: 1.2em;
}
.contact-list li a {
    color: var(--secondary-color);
    font-weight: 500;
}
.contact-list li a:hover {
    color: var(--primary-color);
}

/* --- Footer --- */
footer {
    text-align: center;
    margin-top: 4rem;
    padding: 2rem;
    background-color: var(--footer-bg);
    color: var(--footer-text);
    font-size: 0.9rem;
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}
footer p {
    margin: 0;
}

/* --- Go Top Button --- */
#goTopBtn {
    opacity: 0;
    visibility: hidden;
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
    border: none;
    outline: none;
    background-color: var(--go-top-bg);
    color: var(--go-top-text);
    cursor: pointer;
    padding: 0;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    font-size: 1.4em;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    transition: opacity 0.4s ease, visibility 0.4s ease, background-color var(--transition-speed), transform var(--transition-speed), color var(--transition-speed);
    display: flex;
    justify-content: center;
    align-items: center;
}

#goTopBtn.show {
    opacity: 0.9;
    visibility: visible;
}

#goTopBtn:hover {
    background-color: var(--go-top-bg-hover);
    opacity: 1;
    transform: scale(1.12); 
}

/* --- Animations --- */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* --- Responsive Design --- */
@media (max-width: 768px) {
    h2.section-title {
        font-size: 1.8rem;
    }
    #hero h1 { font-size: 2.5rem; }
    #hero h2 { font-size: 1.3rem; }
    #hero .profile-pic { width: 150px; height: 150px; }

    .dark-mode-toggle {
        margin-right: 0.5rem;
        padding: 0.4rem 0.6rem;
    }
    .dark-mode-toggle i { font-size: 1em; }

    .menu-toggle {
        display: block;
    }

    .nav-container {
         flex-wrap: wrap;
         justify-content: space-between;
    }

    .nav-list {
        display: none;
        flex-direction: column;
        width: 100%;
        background: var(--nav-bg);
        padding: 1rem 0;
        order: 1;
        border-top: 1px solid var(--card-border); /* Use card-border for separator for theme consistency */
        box-shadow: 0 5px 10px var(--shadow); 
    }
    body.dark-mode .nav-list {
        border-top-color: var(--card-border-dark-mode);
    }

    .nav-list.active {
        display: flex;
    }

    .nav-list li {
        width: 100%;
        text-align: center;
    }
    .nav-list a {
        display: block;
        padding: 0.8rem 1rem;
        border-radius: 0; 
        border-bottom: 1px solid var(--card-border); /* Use card-border for separator */
    }
    body.dark-mode .nav-list a {
        border-bottom-color: var(--card-border-dark-mode);
    }
    .nav-list li:last-child a { border-bottom: none; }

    .skills-grid, .edu-cert-grid {
        grid-template-columns: 1fr;
    }

     .contact-list {
        align-items: center; 
     }
     
     .contact-list li i {
         margin-right: 0.8rem; 
     }
}