/* General Styles */
body {
    font-family: 'Inter', sans-serif;
    background-color: var(--section-bg-light); /* Use variable */
    color: var(--text-color); /* Use variable */
    transition: background-color 0.3s ease, color 0.3s ease;
}

[data-theme="dark"] body {
    background-color: rgb(155, 147, 147) !important; /* Temporary indicator for dark mode */
}

.gradient-bg {
    background: radial-gradient(circle at top left, var(--primary) 0%, var(--secondary) 100%);
}

.hero-section {
    min-height: 100vh;
    clip-path: polygon(0 0, 100% 0, 100% 90%, 0 100%);
    position: relative;
    overflow: hidden;
}

.btn {
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: bold;
}

.btn-light {
    background-color: var(--light);
    color: var(--dark);
    border: 1px solid var(--light);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.btn-light:hover {
    background-color: var(--dark);
    color: var(--light);
    border-color: var(--dark);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.btn-primary {
    background-color: var(--primary);
    color: var(--light);
    border: 1px solid var(--primary);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
    background-color: var(--secondary);
    border-color: var(--secondary);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.profile-container {
    position: relative;
    display: inline-block;
    border-radius: 50%;
    padding: 8px;
    background: linear-gradient(45deg, var(--primary), var(--accent));
}

.profile-img {
    width: 250px;
    height: 250px;
    border: 4px solid white;
    border-radius: 50%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.profile-img:hover {
    transform: rotate(5deg) scale(1.05);
}

.section-header {
    position: relative;
    padding-bottom: 1rem;
    margin-bottom: 4rem; /* Increased margin-bottom */
    font-weight: bold; /* Made header bold */
}

.section-header:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: var(--primary);
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

.experience-card {
    background: var(--card-bg); /* Use variable */
    color: var(--text-color); /* Ensure text color contrasts */
    border-radius: 15px;
    border: none;
    box-shadow: 0 15px 40px var(--card-shadow); /* More pronounced shadow */
    transition: transform 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
}

.experience-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px var(--card-shadow); /* Larger shadow on hover */
}

.skill-pill {
    background: var(--skill-pill-bg); /* Use variable */
    color: var(--skill-pill-text); /* Use variable */
    padding: 0.5rem 1.25rem;
    border-radius: 20px;
    margin: 0.5rem;
    display: inline-flex;
    align-items: center;
    transition: all 0.3s ease;
}

.skill-pill i {
    margin-right: 0.5rem;
    color: var(--accent);
    transition: all 0.3s ease;
}

.skill-pill:hover {
    background: var(--primary);
    color: var(--light); /* Ensure contrast on hover */
    transform: scale(1.05);
}

.timeline {
    position: relative;
    padding-left: 30px;
}

.timeline:before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 3px;
    height: 100%;
    background: var(--primary);
    opacity: 0.2; /* Use variable */
}

.timeline-item {
    position: relative;
    padding-left: 30px;
    margin-bottom: 40px;
}

.timeline-item:before {
    content: '';
    position: absolute;
    left: -8px;
    top: 5px;
    width: 15px;
    height: 15px;
    background: var(--primary);
    border-radius: 50%;
}

.certification-badge {
    background: var(--card-bg); /* Use variable */
    color: var(--text-color); /* Ensure text color contrasts */
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: 0 15px 40px var(--card-shadow); /* More pronounced shadow */
    transition: transform 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
}

.certification-badge:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px var(--card-shadow); /* Larger shadow on hover */
}

.contact-card {
    background: var(--card-bg); /* Use variable */
    color: var(--text-color); /* Ensure text color contrasts */
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 15px 40px var(--card-shadow); /* More pronounced shadow */
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control {
     background-color: var(--section-bg-white); /* Match background */
     color: var(--text-color); /* Ensure text is visible */
     border-color: var(--primary); /* Use theme color */
}

.form-control::placeholder { /* Style placeholder text */
    color: var(--text-color);
    opacity: 0.7;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(129, 140, 248, 0.3); /* Adjusted focus shadow */
    background-color: var(--section-bg-white); /* Keep background on focus */
    color: var(--text-color); /* Keep text color on focus */
}

/* Adjust section backgrounds */
#experience, #education, #contact {
    background-color: var(--section-bg-white);
    transition: background-color 0.3s ease;
}
#skills {
     background-color: var(--section-bg-light);
     transition: background-color 0.3s ease;
}
#certifications {
     background-color: var(--section-bg-lighter); /* Use new lighter background */
     transition: background-color 0.3s ease;
}

/* Ensure text in cards within light sections is readable */
#skills .card, #certifications .card {
     color: var(--text-color);
}
#skills .card-title, #certifications .card-title {
     color: var(--text-color); /* Explicitly set title color */
}
#skills .skill-pill i, #certifications .skill-pill i {
     color: var(--accent); /* Keep accent color for icons */
}


@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

.floating {
    animation: float 4s ease-in-out infinite;
}

/* Theme Variables */
:root {
    --primary: #00796b; /* Deep Teal */
    --secondary: #f57c00; /* Warm Orange */
    --accent: #fbc02d; /* Bright Yellow */
    --dark: #1e293b;
    --light: #f8fafc;
    --card-bg: white;
    --card-shadow: rgba(0,0,0,0.1);
    --text-color: var(--dark);
    --section-bg-light: var(--light);
    --section-bg-lighter: #f0f2f5; /* Slightly lighter than light */
    --section-bg-white: white;
    --skill-pill-bg: rgba(0, 121, 107, 0.1); /* Deep Teal with transparency */
    --skill-pill-text: var(--primary);
    --timeline-line: rgba(0, 121, 107, 0.2); /* Deep Teal with transparency */
}

[data-theme="dark"] {
    --primary: #4db6ac; /* Lighter Teal for dark mode */
    --secondary: #ffb74d; /* Lighter Orange */
    --accent: #ffee58; /* Lighter Yellow */
    --dark: #f8fafc; /* Light text on dark background */
    --light: #1e293b; /* Dark background */
    --card-bg: #475569; /* Slate 600 - Lighter */
    --card-shadow: rgba(0,0,0,0.3);
    --text-color: #cbd5e1; /* Slate 300 */
    --section-bg-light: #020617; /* Slate 950 - Darker */
    --section-bg-lighter: #1a202c; /* Slightly lighter than dark section bg */
    --section-bg-white: #245cb6; /* Slate 800 */
    --skill-pill-bg: rgba(77, 182, 172, 0.15); /* Lighter Teal with transparency */
    --skill-pill-text: var(--primary);
    --timeline-line: rgba(77, 182, 172, 0.3); /* Lighter Teal with transparency */
}

.navbar-collapse {
    z-index: 1; /* Set a lower z-index */
}

#theme-toggle-li {
    z-index: 10; /* Set a higher z-index */
}