/* --- CSS Variables for Theme --- */
:root {
    --primary: #6366f1; /* Modern indigo */
    --primary-light: #e0e7ff;
    --primary-hover: #4f46e5;
    --secondary: #ec4899; /* Elegant pink */
    --secondary-light: #fce7f3;
    --accent: #f59e0b; /* Warm amber */
    --accent-light: #fef3c7;
    --success: #10b981; /* Emerald green */
    --text-main: #1f2937;
    --text-muted: #6b7280;
    --text-light: #9ca3af;
    --bg-main: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --bg-hero: linear-gradient(135deg, #f093fb 0%, #f5576c 50%, #4facfe 100%);
    --card-shadow: 0 10px 25px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --card-shadow-hover: 0 20px 40px -5px rgba(0, 0, 0, 0.15), 0 8px 16px -4px rgba(0, 0, 0, 0.1);
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 12px;
    --border-radius-lg: 16px;
}

/* --- Global Reset & Typography --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

html {
    /* Enables smooth scrolling when clicking nav links */
    scroll-behavior: smooth;
    /* Better mobile scrolling */
    -webkit-overflow-scrolling: touch;
}

body {
    background-color: var(--bg-secondary);
    color: var(--text-main);
    line-height: 1.6;
    /* Prevent horizontal scroll on mobile */
    overflow-x: hidden;
}

/* --- Navigation Bar --- */
.navbar {
    background-color: var(--bg-main);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    align-items: center;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 600;
    transition: var(--transition);
}

.nav-links a:hover, .nav-links a.active {
    color: var(--primary);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--text-main);
    transition: var(--transition);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav-container {
        padding: 1rem;
    }

    .logo {
        font-size: 1.3rem;
    }

    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--bg-main);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
        gap: 1.5rem;
    }

    .nav-links.active {
        left: 0;
    }

    .nav-links li {
        margin: 0.5rem 0;
    }

    .nav-links a {
        font-size: 1.1rem;
        padding: 0.5rem 1rem;
        display: block;
    }

    /* Hamburger Animation */
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
}

/* --- Layout & Utility Classes --- */
section {
    /* Offsets the section so it doesn't hide behind the sticky navbar */
    scroll-margin-top: 70px;
    padding: 5rem 2rem;
}

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

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-main);
    font-size: 2.2rem;
}

.card {
    background: linear-gradient(135deg, var(--bg-main) 0%, rgba(248, 250, 252, 0.8) 100%);
    padding: 2.5rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--card-shadow);
    border: 1px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 50%, var(--accent) 100%);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-shadow-hover);
}

.mt-2 { margin-top: 2rem; }
.highlight {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn:disabled {
    cursor: not-allowed;
    opacity: 0.7;
    transform: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
    color: white;
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary) 0%, #db2777 100%);
    color: white;
    box-shadow: 0 8px 25px rgba(236, 72, 153, 0.3);
}

.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(236, 72, 153, 0.4);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    box-shadow: none;
}

.btn-outline:hover {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
    color: white;
    border-color: var(--primary);
    transform: translateY(-2px);
}

/* --- Hero Section --- */
.hero {
    min-height: calc(100vh - 70px);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-hero);
    background-attachment: fixed;
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(1px);
}

.hero-content {
    display: flex;
    align-items: center;
    gap: 4rem;
    max-width: 1200px;
    width: 100%;
    position: relative;
    z-index: 1;
}

.profile-photo {
    width: 220px;
    height: 220px;
    border-radius: 50%;
    object-fit: cover;
    border: 6px solid rgba(255, 255, 255, 0.9);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.profile-photo:hover {
    transform: scale(1.05);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

.hero-text {
    text-align: left;
    flex: 1;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero h1 {
    font-size: 3.8rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero h2 {
    font-size: 1.8rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}
.hero-buttons { display: flex; gap: 1rem; justify-content: flex-start; }

/* --- About Section --- */
.timeline { list-style: none; padding-left: 1rem; border-left: 3px solid var(--primary-light); }
.timeline li { margin-bottom: 1rem; padding-left: 1rem; position: relative; }
.timeline li::before {
    content: ''; position: absolute; left: -11px; top: 5px;
    width: 15px; height: 15px; background: var(--primary);
    border-radius: 50%;
}

/* --- Skills Section --- */
.skills-container { max-width: 800px; margin: 0 auto; }
.skill-category { margin-bottom: 2rem; }
.skill-category h3 { color: var(--primary); font-size: 1.2rem; margin-bottom: 0.5rem; font-weight: 600; }
.skill-category p { color: var(--text-main); line-height: 1.6; }

/* --- Projects Section --- */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--bg-main);
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    overflow: hidden;
    transition: var(--transition);
    border-top: 4px solid var(--primary);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.project-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: var(--bg-secondary);
    overflow: hidden;
}

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

.project-card:hover .project-img {
    transform: scale(1.04);
}

.project-content { padding: 2rem; flex: 1; display: flex; flex-direction: column; }
.project-content h3 { font-size: 1.3rem; margin-bottom: 0.5rem; }
.tech-stack { color: var(--primary); font-size: 0.9rem; font-weight: 600; margin-bottom: 1rem; }
.project-content p { color: var(--text-muted); margin-bottom: 1.5rem; font-size: 0.95rem; flex: 1; }

/* --- Certificates Section --- */
.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.certificate-card {
    background: linear-gradient(135deg, var(--bg-main) 0%, rgba(248, 250, 252, 0.8) 100%);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--card-shadow);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
}

.certificate-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary) 0%, var(--accent) 100%);
}

.certificate-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--card-shadow-hover);
}

.certificate-image {
    position: relative;
    width: 100%;
    height: 180px;
    overflow: hidden;
}

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

.certificate-card:hover .cert-img {
    transform: scale(1.05);
}

.certificate-content {
    padding: 1.5rem;
    position: relative;
}

.certificate-content h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.cert-issuer {
    color: var(--primary);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
}

.cert-description {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.cert-date {
    color: var(--text-light);
    font-size: 0.85rem;
    font-weight: 500;
}

/* --- Awards Section --- */
.awards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.award-card {
    background: linear-gradient(135deg, var(--bg-main) 0%, rgba(248, 250, 252, 0.8) 100%);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--card-shadow);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    position: relative;
}

.award-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent) 0%, var(--success) 100%);
}

.award-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--card-shadow-hover);
}

.award-image {
    position: relative;
    width: 100%;
    height: 180px;
    overflow: hidden;
}

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

.award-card:hover .award-img {
    transform: scale(1.05);
}

.award-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--success) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    border: 3px solid rgba(255, 255, 255, 0.8);
}

.award-content {
    padding: 1.5rem;
    position: relative;
}

.award-content h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.award-organization {
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
}

.award-description {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.award-date {
    color: var(--text-light);
    font-size: 0.85rem;
    font-weight: 500;
}

/* --- Contact Section --- */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem;
}

.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; margin-bottom: 0.5rem; font-weight: 600; }
.form-group input, .form-group textarea {
    width: 100%; padding: 0.8rem;
    border: 1px solid #cbd5e0;
    border-radius: 6px;
    font-family: inherit;
    transition: var(--transition);
}
.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

/* --- Social Media Icons --- */
.social-links {
    display: flex;
    gap: 1.2rem;
    margin-top: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 55px;
    height: 55px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--bg-main) 0%, var(--bg-secondary) 100%);
    color: var(--text-main);
    text-decoration: none;
    font-size: 1.3rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid var(--bg-secondary);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.social-link:hover::before {
    opacity: 1;
}

.social-link:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-color: var(--primary);
}

.social-link i {
    transition: all 0.3s ease;
    z-index: 1;
    position: relative;
}

/* Individual brand colors on hover */
.social-link:hover:nth-child(1) { /* Email */
    background: linear-gradient(135deg, #ea4335 0%, #d33b2c 100%);
    color: white;
}

.social-link:hover:nth-child(2) { /* LinkedIn */
    background: linear-gradient(135deg, #0077b5 0%, #005885 100%);
    color: white;
}

.social-link:hover:nth-child(3) { /* GitHub */
    background: linear-gradient(135deg, #333 0%, #24292e 100%);
    color: white;
}

.social-link:hover:nth-child(4) { /* Facebook */
    background: linear-gradient(135deg, #1877f2 0%, #166fe5 100%);
    color: white;
}

.social-link:hover:nth-child(5) { /* Instagram */
    background: linear-gradient(135deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    color: white;
}

.social-link:hover:nth-child(6) { /* WhatsApp */
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    color: white;
}

/* --- Footer --- */
footer {
    text-align: center;
    padding: 2rem;
    background-color: var(--bg-main);
    color: var(--text-muted);
}

/* --- Animations --- */
.fade-in {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
}

.fade-in.visible,
.hero.fade-in.visible,
.certificate-card.fade-in.visible,
.award-card.fade-in.visible,
.project-card.fade-in.visible,
.container.fade-in.visible {
    opacity: 1 !important;
    transform: none !important;
}

/* --- Responsive Design --- */
@media (max-width: 768px) {
    /* Mobile navigation improvements */
    .navbar {
        position: fixed;
        top: 0;
        width: 100%;
        z-index: 1000;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    }

    .nav-container {
        padding: 1rem;
    }

    .logo {
        font-size: 1.3rem;
    }

    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--bg-main);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
        gap: 1.5rem;
    }

    .nav-links.active {
        left: 0;
    }

    .nav-links li {
        margin: 0.5rem 0;
    }

    .nav-links a {
        font-size: 1.1rem;
        padding: 0.5rem 1rem;
        display: block;
    }

    /* Hamburger Animation */
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    /* Better hero section on mobile */
    .hero {
        padding-top: 80px; /* Account for fixed navbar */
        min-height: 100vh;
        padding: 1rem;
        background-attachment: scroll; /* Better performance on mobile */
    }

    .hero-content {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
        padding: 1rem;
        max-width: 100%;
    }

    .hero-text {
        text-align: center;
        background: rgba(0, 0, 0, 0.1);
        padding: 1.5rem;
        border-radius: var(--border-radius);
        backdrop-filter: blur(5px);
        width: 100%;
        max-width: 500px;
        margin: 0 auto;
    }

    .hero h1 {
        font-size: 2rem;
        line-height: 1.2;
        margin-bottom: 1rem;
    }

    .hero h2 {
        font-size: 1.4rem;
        margin-bottom: 1rem;
    }

    .hero p {
        font-size: 1rem;
        margin-bottom: 2rem;
        line-height: 1.5;
    }

    .profile-photo {
        width: 150px;
        height: 150px;
        margin: 0 auto;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }

    .hero-buttons .btn {
        width: 100%;
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }

    /* Section improvements */
    section {
        padding: 3rem 1rem;
        scroll-margin-top: 80px;
    }

    .section-title {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }

    .container {
        padding: 0 1rem;
    }

    /* Card improvements */
    .card {
        padding: 1.5rem;
        margin-bottom: 1.5rem;
    }

    /* Skills section */
    .skill-category {
        margin-bottom: 1.5rem;
    }

    .skill-category h3 {
        font-size: 1.1rem;
    }

    /* Certificates grid */
    .certificates-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .certificate-card {
        flex-direction: column;
    }

    .certificate-image {
        height: 150px;
    }

    .certificate-content {
        padding: 1rem;
    }

    /* Awards grid */
    .awards-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .award-card {
        flex-direction: column;
    }

    .award-image {
        height: 150px;
    }

    .award-content {
        padding: 1rem;
    }

    /* Projects section */
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .project-card {
        padding: 0;
    }

    /* Contact section */
    .contact-wrapper {
        flex-direction: column;
        gap: 2rem;
    }

    .contact-info, .contact-form {
        width: 100%;
    }

    .contact-form .card {
        padding: 1.5rem;
    }

    .form-group {
        margin-bottom: 1rem;
    }

    .form-group label {
        display: block;
        margin-bottom: 0.5rem;
        font-weight: 600;
        font-size: 1rem;
    }

    .form-group input,
    .form-group textarea {
        width: 100%;
        padding: 1rem;
        border: 1px solid #ddd;
        border-radius: var(--border-radius);
        font-size: 16px; /* Prevents zoom on iOS */
        font-family: inherit;
        box-sizing: border-box;
    }

    .form-group textarea {
        resize: vertical;
        min-height: 120px;
    }

    .social-links {
        justify-content: center;
        gap: 1rem;
        flex-wrap: wrap;
    }

    .social-link {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* Footer */
    footer {
        padding: 1.5rem 1rem;
        text-align: center;
    }

    /* Better touch targets */
    .btn {
        min-height: 44px; /* iOS touch target minimum */
        padding: 0.8rem 1.5rem;
    }

    /* Improve readability */
    .card {
        margin-bottom: 1.5rem;
    }

    .section-title {
        font-size: 1.8rem;
        margin-bottom: 2rem;
        line-height: 1.3;
    }

    /* Better spacing for content */
    .certificate-content,
    .award-content {
        padding: 1rem;
    }

    .certificate-content h3,
    .award-content h3 {
        font-size: 1.1rem;
        line-height: 1.3;
    }

    .cert-description,
    .award-description {
        font-size: 0.9rem;
        line-height: 1.5;
    }
}

@media (max-width: 480px) {
    /* Extra small screens */
    .hero h1 {
        font-size: 1.8rem;
        line-height: 1.2;
    }

    .hero h2 {
        font-size: 1.2rem;
        margin-bottom: 1rem;
    }

    .hero p {
        font-size: 0.95rem;
        margin-bottom: 2rem;
    }

    .profile-photo {
        width: 120px;
        height: 120px;
    }

    .section-title {
        font-size: 1.6rem;
        margin-bottom: 1.5rem;
    }

    .hero-buttons {
        max-width: 250px;
    }

    /* Better spacing for small screens */
    .hero {
        padding: 0.5rem;
    }

    .container {
        padding: 0 0.5rem;
    }

    .card {
        padding: 1rem;
        margin-bottom: 1rem;
    }

    /* Certificates on small screens */
    .certificate-image {
        height: 120px;
    }

    .certificate-content {
        padding: 1rem;
    }

    .certificate-content h3 {
        font-size: 1.1rem;
    }

    .cert-description {
        font-size: 0.85rem;
    }

    /* Awards on small screens */
    .award-image {
        height: 120px;
    }

    .award-content {
        padding: 1rem;
    }

    .award-content h3 {
        font-size: 1.1rem;
    }

    .award-description {
        font-size: 0.85rem;
    }

    .award-badge {
        width: 35px;
        height: 35px;
        font-size: 0.9rem;
    }

    /* Projects on small screens */
    .project-card {
        padding: 0;
    }

    .project-content h3 {
        font-size: 1.1rem;
    }

    /* Contact form on small screens */
    .contact-form .card {
        padding: 1rem;
    }

    .form-group input,
    .form-group textarea {
        padding: 0.8rem;
        font-size: 16px;
    }

    /* Social links on small screens */
    .social-links {
        gap: 0.8rem;
    }

    .social-link {
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }

    /* Navigation on very small screens */
    .nav-container {
        padding: 0.5rem;
    }

    .logo {
        font-size: 1.1rem;
    }

    .nav-links {
        padding: 1.5rem 0;
        gap: 1rem;
    }

    .nav-links a {
        font-size: 1rem;
        padding: 0.5rem 0.8rem;
    }
}

/* --- Project Modal --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    display: none;
    z-index: 2000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
}

.modal-content {
    background: var(--bg-main);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-overlay.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    background: linear-gradient(135deg, var(--bg-main) 0%, rgba(248, 250, 252, 0.5) 100%);
}

.modal-header h3 {
    margin: 0;
    color: var(--text-main);
    font-size: 1.5rem;
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--bg-secondary);
    color: var(--text-main);
}

.modal-body {
    padding: 2rem;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem;
}

.modal-image {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    aspect-ratio: 4 / 3;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.modal-details h4 {
    color: var(--primary);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.modal-tech-stack p,
.modal-description p {
    color: var(--text-main);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.modal-features ul {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem 0;
}

.modal-features li {
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.modal-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
}

.modal-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.modal-links .btn {
    flex: 1;
    min-width: 140px;
    justify-content: center;
}

#contactSuccessModal .modal-content {
    max-width: 460px;
}

#contactSuccessModal .modal-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
    text-align: center;
}

/* Modal Mobile Responsive */
@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        margin: 1rem;
    }

    .modal-body {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 1.5rem;
    }

    .modal-header {
        padding: 1rem 1.5rem;
    }

    .modal-header h3 {
        font-size: 1.3rem;
    }

    .modal-image img {
        height: 100%;
    }

    .modal-links {
        flex-direction: column;
    }

    .modal-links .btn {
        width: 100%;
    }
}