/* ================= GENERAL ================= */
body {
    font-family: 'Arial', sans-serif;
    background-color: #f4f6f8;
    margin: 0;
    padding: 0;
    scroll-behavior: smooth;
    color: #333;
}

h1, h2, h3 {
    color: #0d47a1;
    margin-bottom: 15px;
}

a {
    color: #0d47a1;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #ff6f00;
}

ul {
    list-style-type: square;
    padding-left: 20px;
}

/* ================= BUTTON ================= */
a.button {
    background: linear-gradient(135deg, #0d47a1, #1976d2);
    color: white;
    padding: 12px 18px;
    border-radius: 12px;
    font-weight: bold;
    transition: 0.3s ease, transform 0.3s ease;
}

a.button:hover {
    background: linear-gradient(135deg, #ff6f00, #ff8f00);
    transform: scale(1.05);
    box-shadow: 0 12px 25px rgba(0,0,0,0.35);
}

/* ================= HEADER ================= */
header {
    background: linear-gradient(135deg, #0d47a1, #1976d2);
    color: white;
    text-align: center;
    padding: 60px 20px 40px 20px;
    border-bottom-left-radius: 30px;
    border-bottom-right-radius: 30px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
    perspective: 1000px;
}

.header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin: 0;
    color: white;
    text-shadow: 1px 1px 6px rgba(0,0,0,0.3);
}

header p {
    font-size: 1.3rem;
    margin: 0;
    font-weight: 500;
    color: #e0e0e0;
    text-shadow: 1px 1px 4px rgba(0,0,0,0.2);
}

/* ================= PROFILE PHOTO ================= */
/* ================= PROFILE PHOTO CONTAINER ================= */
/* Main container for profile picture and verified blue tick */
.profile-photo-container {
    position: relative; /* necessary for absolute positioning of blue tick */
    width: 200px;
    height: 200px;
    border-radius: 50%; /* circular shape */
    background: linear-gradient(145deg, #1976d2, #0d47a1); /* subtle gradient background */
    box-shadow: 8px 8px 20px rgba(0,0,0,0.3),  /* soft outer shadow */
                -8px -8px 20px rgba(255,255,255,0.2); /* highlight for 3D effect */
    display: flex;
    justify-content: center;
    align-items: center;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    overflow: hidden; /* ensures effects stay inside the circle */
}

/* ================= PROFILE PHOTO HOVER EFFECT ================= */
/* Adds scale and slight rotation for interactive hover effect */
.profile-photo-container:hover {
    transform: scale(1.05) rotate(3deg);
    box-shadow: 0 0 30px rgba(25, 118, 210, 0.6),
                0 0 60px rgba(13, 71, 161, 0.4);
}

/* ================= PROFILE PHOTO ================= */
/* The actual profile picture with circular shape and glow */
.profile-photo {
    width: 180px;
    height: 180px;
    border-radius: 100%; /* circular image */
    object-fit: cover;   /* cover entire container without distortion */
    border: 4px solid #1DA1F2; /* Twitter blue border */
    box-shadow: 0 0 15px rgba(29, 161, 242, 0.7); /* subtle blue glow */
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* Hover effect for profile photo for extra glow */
.profile-photo:hover {
    transform: scale(1.1);
    box-shadow: 0 0 25px rgba(29, 161, 242, 1);
}

/* ================= HEADER NAME ================= */
header h1 {
    font-size: 3rem;
    font-weight: 700;
    color: white;
    text-shadow: 1px 1px 6px rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    gap: 10px; /* space between name and tick */
}

/* ================= BLUE TICK NEXT TO NAME ================= */
header h1 .blue-tick {
    width: 36px;       /* size of tick */
    height: 36px;
    border-radius: 50%; /* circular */
    border: 2px solid #ffffff; /* white frame */
    box-shadow: 0 0 10px rgba(29,161,242,0.8), 0 0 20px rgba(29,161,242,0.5);
    animation: tickPulse 2s infinite;
    object-fit: cover;
}

/* ================= PULSE ANIMATION ================= */
@keyframes tickPulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 10px rgba(29,161,242,0.8), 0 0 20px rgba(29,161,242,0.5);
    }
    50% {
        transform: scale(1.2);
        box-shadow: 0 0 20px rgba(29,161,242,1), 0 0 40px rgba(29,161,242,0.6);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 10px rgba(29,161,242,0.8), 0 0 20px rgba(29,161,242,0.5);
    }
}



/* ================= NAVIGATION ================= */
nav {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 25px;
}

nav a {
    color: white;
    font-weight: bold;
    font-size: 1.1rem;
    position: relative;
    padding: 5px 0;
    transition: all 0.3s ease;
}

nav a::after {
    content: '';
    position: absolute;
    width: 0%;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: #ff6f00;
    transition: width 0.3s ease;
}

nav a:hover::after {
    width: 100%;
}

nav a:hover {
    transform: translateY(-3px) scale(1.05);
    text-shadow: 1px 1px 6px rgba(0,0,0,0.3);
}

.parallax-section {
    perspective: 1000px;
}

.parallax-section .about-card {
    transform-style: preserve-3d;
    transition: transform 0.2s ease;
}


/* ================= SECTIONS ================= */
section {
    padding: 60px 20px;
    max-width: 900px;
    margin: 40px auto;
    background-color: #f9fbff;
    border-radius: 15px;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ================= CARDS ================= */
.about-card, .project-card, .skill-card, .contact-card {
    background: linear-gradient(145deg, #ffffff, #e8f0fe);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-card:hover,
.project-card:hover,
.skill-card:hover,
.contact-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 30px rgba(0,0,0,0.2);
}

/* ================= SKILLS & BADGES ================= */
.skill-card ul li {
    margin-bottom: 12px;
    font-size: 1.1rem;
    transition: transform 0.3s ease, color 0.3s ease;
}

.skill-card ul li:hover {
    transform: translateX(5px);
    color: #0d47a1;
}

.skills-badges, .project-card .skills-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 10px 0 20px 0;
}

.badge, .project-card .badge {
    background: #1976d2;
    color: white;
    padding: 6px 12px;
    border-radius: 12px;
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: 0.3s ease, transform 0.3s ease;
}

.badge:hover,
.project-card .badge:hover {
    transform: scale(1.1);
    background: #ff6f00;
}

.skill-progress p {
    margin: 8px 0 5px;
    font-weight: 500;
}

.progress-bar {
    width: 100%;
    height: 12px;
    background-color: #e0e0e0;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 15px;
}

.progress {
    height: 100%;
    background: linear-gradient(135deg, #0d47a1, #1976d2);
    border-radius: 12px;
    transition: width 1.2s ease-in-out;
}

/* ================= CONTACT BADGES ================= */
.contact-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 15px;
}

.contact-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #0d47a1;
    color: white;
    padding: 10px 18px;
    border-radius: 12px;
    font-weight: 500;
    text-decoration: none;
    transition: 0.3s ease, transform 0.3s ease;
}

.contact-badge:hover {
    background: #ff6f00;
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(0,0,0,0.3);
}

/* ================= BACK TO TOP BUTTON ================= */
#backToTop {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #0d47a1;
    color: white;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    font-size: 20px;
    cursor: pointer;
    display: none;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    transition: transform 0.3s ease, background 0.3s ease;
    z-index: 1000;
}

#backToTop:hover {
    transform: scale(1.1);
    background: #ff6f00;
}

/* ================= RESPONSIVE ================= */
@media (max-width: 768px) {
    header h1 { font-size: 2rem; }
    header p { font-size: 1rem; }
    nav { flex-direction: column; gap: 15px; }

    .profile-photo-container {
        width: 130px;
        height: 130px;
    }

    .profile-photo {
        width: 110px;
        height: 110px;
    }
}