@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --bg-main: #0B0F19;
    --bg-section: #111827;
    --bg-card: rgba(17, 24, 39, 0.7);
    --primary: #3B82F6;
    --secondary: #8B5CF6;
    --accent-gradient: linear-gradient(135deg, #3B82F6, #8B5CF6);
    --text-main: #FFFFFF;
    --text-muted: #9CA3AF;
    --border: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.05);
    --radius-lg: 20px;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 800;
    letter-spacing: -0.03em;
}

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

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

/* Navbar */
.navbar {
    background: rgba(11, 15, 25, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 1.2rem 0;
}

.navbar-brand {
    font-weight: 900;
    font-size: 1.5rem;
    color: white !important;
    letter-spacing: -1.5px;
}

.nav-link {
    color: var(--text-muted) !important;
    font-weight: 500;
    margin: 0 1rem;
    transition: var(--transition);
}

.nav-link:hover {
    color: white !important;
}

/* Hero Section */
.hero-section {
    padding: 180px 0 120px;
    position: relative;
}

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

.hero-img-bg {
    position: absolute;
    width: 550px;
    height: 550px;
    background: var(--accent-gradient);
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.2;
    z-index: -1;
}

.hero-img-wrapper {
    position: relative;
    padding: 10px;
    display: inline-block;
}

.hero-img {
    width: 450px;
    height: 450px;
    border-radius: var(--radius-lg);
    object-fit: cover;
    box-shadow: 0 30px 60px rgba(0,0,0,0.5);
    transition: var(--transition);
    display: block;
}

.hero-border-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    fill: none;
    pointer-events: none;
    z-index: 10;
}

.hero-border-svg rect {
    stroke: var(--primary);
    stroke-width: 4px;
    stroke-dasharray: 1840; /* Total perimeter of 460x4 rectangle approx */
    stroke-dashoffset: 1840;
    transition: stroke-dashoffset 1.2s linear;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.hero-img-wrapper:hover .hero-border-svg rect {
    stroke-dashoffset: 0;
    stroke: var(--secondary);
}

.hero-img-wrapper:hover .hero-img {
    transform: scale(1.02);
}

/* Skills */
.skill-card {
    background: var(--bg-section);
    border: 1px solid var(--border);
    border-radius: 50%;
    width: 100px;
    height: 100px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    transition: var(--transition);
}

.skill-card:hover {
    border-color: var(--primary);
    transform: translateY(-8px) scale(1.05);
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.2);
}

.skill-card i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 5px;
}

.skill-card span {
    font-size: 0.8rem;
    font-weight: 600;
}

/* Project Cards */
.project-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    height: 100%;
}

.project-card:hover {
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.project-img-wrapper {
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.project-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.project-card:hover .project-img-wrapper img {
    transform: scale(1.1);
}

.project-content {
    padding: 2rem;
}

/* Buttons */
.btn-primary {
    background: var(--accent-gradient);
    border: none;
    padding: 0.8rem 2rem;
    border-radius: 99px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.4);
    filter: brightness(1.1);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: white;
    padding: 0.8rem 2rem;
    border-radius: 99px;
    font-weight: 600;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: white;
    color: white;
}

/* Sections */
section {
    padding: 100px 0;
}

.section-title {
    margin-bottom: 60px;
    text-align: center;
}

.hero-section h1 {
    font-weight: 900 !important;
}

.section-title h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

/* Contact */
.contact-form .form-control {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: #ffffff !important;
    padding: 1.2rem;
    border-radius: 12px;
    font-size: 1rem;
}

.contact-form .form-control::placeholder {
    color: #94a3b8 !important; /* Lighter text for better visibility */
    opacity: 1;
}

.contact-form .form-control:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15);
}

.about-img-wrapper {
    position: relative;
    width: 320px;
    height: 320px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-img {
    width: 300px;
    height: 300px;
    object-fit: cover;
    border-radius: 50%;
    border: 8px solid var(--bg-section);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    transition: var(--transition);
    display: block;
}

.about-border-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    fill: none;
    pointer-events: none;
    z-index: 10;
    transform: rotate(-90deg); /* Start drawing from top center */
}

.about-border-svg circle {
    stroke: var(--primary);
    stroke-width: 6px;
    stroke-dasharray: 942; /* Circumference 2 * pi * 150 */
    stroke-dashoffset: 942;
    transition: stroke-dashoffset 1.2s ease-in-out;
    stroke-linecap: round;
}

.about-img-wrapper:hover .about-border-svg circle {
    stroke-dashoffset: 0;
    stroke: var(--secondary);
}

.about-img-wrapper:hover .about-img {
    transform: scale(1.05);
    border-color: transparent;
}

/* Footer */
footer {
    padding: 60px 0;
    border-top: 1px solid var(--border);
    text-align: center;
}

.social-icons a {
    font-size: 1.5rem;
    color: var(--text-muted);
    margin: 0 1rem;
    transition: var(--transition);
}

.social-icons a:hover {
    color: white;
    transform: translateY(-5px);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section { 
        padding-top: 120px; 
        text-align: center; 
        border-bottom: 1px solid var(--border);
        margin-bottom: var(--space-8);
    }
    .hero-img { 
        width: 250px; 
        height: 250px; 
        margin: 0 auto;
    }
    .hero-img-container {
        margin-top: 4rem; /* Added space between buttons and image */
    }
    .navbar-collapse {
        background: rgba(11, 15, 25, 0.95);
        backdrop-filter: blur(20px);
        margin: 1rem -1rem 0;
        padding: 1.5rem;
        border-radius: var(--radius-lg);
        border: 1px solid var(--border);
    }
    .nav-link {
        padding: 0.8rem 0;
        text-align: center;
        border-bottom: 1px solid rgba(255,255,255,0.05);
    }
    .nav-link:last-child {
        border-bottom: none;
    }
    .hero-img-bg {
        width: 350px;
        height: 350px;
    }
    .section-title h2 { font-size: 2.2rem; }
}