/* ============================================
   CYBERSECURITY PORTFOLIO - styles.css
   Complete Final Version - No Errors
   ============================================ */

/* ===== CSS VARIABLES (Color Scheme) ===== */
:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f3f4f6;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --accent-color: #10b981;
    --accent-hover: #059669;
    --border-color: #e5e7eb;
    --card-bg: #ffffff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    --bg-primary: #111827;
    --bg-secondary: #1f2937;
    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --accent-color: #10b981;
    --accent-hover: #34d399;
    --border-color: #374151;
    --card-bg: #1f2937;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* ===== NAVIGATION BAR ===== */
.navbar {
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--accent-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 500;
}

.nav-menu a:hover {
    color: var(--accent-color);
}

.theme-btn {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.theme-btn:hover {
    background-color: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
}

/* ===== HERO SECTION ===== */
.hero {
    background: linear-gradient(135deg, #10b981 0%, #3b82f6 100%);
    padding: 8rem 2rem;
    text-align: center;
    color: white;
}

.hero-title {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

/* ===== BUTTONS ===== */
.btn {
    padding: 0.75rem 2rem;
    border-radius: 0.375rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

/* Hero section buttons - both transparent outline style */
.btn-primary,
.btn-secondary {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

.btn-primary:hover,
.btn-secondary:hover {
    background-color: white;
    color: #10b981;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* Verification buttons (green) */
.btn-verify {
    background-color: var(--accent-color);
    color: white;
    border: 2px solid var(--accent-color);
    padding: 0.75rem 1.5rem;
}

.btn-verify:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

/* Submit button */
.btn-submit {
    background-color: var(--accent-color);
    color: white;
    border: 2px solid var(--accent-color);
    width: 100%;
}

.btn-submit:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
    transform: translateY(-2px);
}

/* ===== SECTIONS ===== */
.section {
    padding: 4rem 2rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
}

.section-title i {
    color: var(--accent-color);
}

.section:nth-child(even) {
    background-color: var(--bg-secondary);
}

/* ===== ABOUT SECTION ===== */
.about-content {
    max-width: 800px;
    margin: 0 auto 2rem;
}

.about-content p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

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

.social-link {
    padding: 0.75rem 1.5rem;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    text-decoration: none;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    font-weight: 500;
}

.social-link:hover {
    background-color: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

/* ===== CARD STYLES ===== */
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
    border-color: var(--accent-color);
}

.card-title {
    font-size: 1.25rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    color: var(--accent-color);
}

.card-subtitle {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.card-content {
    color: var(--text-secondary);
    line-height: 1.6;
}

.card-content p {
    margin-bottom: 1rem;
}

/* ===== GRIDS ===== */
.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.projects-list,
.bounties-list,
.ctf-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ===== BADGES & TAGS ===== */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    margin: 0.25rem;
}

.badge-success {
    background-color: rgba(16, 185, 129, 0.2);
    color: #10b981;
}

.badge-warning {
    background-color: rgba(251, 191, 36, 0.2);
    color: #f59e0b;
}

.badge-danger {
    background-color: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

.badge-info {
    background-color: rgba(59, 130, 246, 0.2);
    color: #3b82f6;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.tag {
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: 0.25rem;
    font-size: 0.85rem;
    border: 1px solid var(--border-color);
}

/* ===== EXPANDABLE CONTENT ===== */
.expandable-card {
    cursor: pointer;
}

.expand-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    background: none;
    border: none;
    padding: 0;
    text-align: left;
    color: inherit;
    cursor: pointer;
}

.expand-icon {
    transition: transform 0.3s ease;
    color: var(--accent-color);
    flex-shrink: 0;
}

.expand-icon.expanded {
    transform: rotate(180deg);
}

.expanded-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.expanded-content.show {
    max-height: 3000px;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.expanded-content h4 {
    color: var(--text-primary);
    margin-top: 1rem;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.expanded-content h4:first-child {
    margin-top: 0;
}

/* ===== CONTACT FORM ===== */
.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-intro {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-message {
    padding: 1rem;
    border-radius: 0.375rem;
    margin-bottom: 1rem;
    display: none;
}

.form-message.success {
    background-color: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid #10b981;
    display: block;
}

.form-message.error {
    background-color: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid #ef4444;
    display: block;
}

.privacy-note {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--card-bg);
    border-top: 1px solid var(--border-color);
    padding: 2rem;
    text-align: center;
    color: var(--text-secondary);
}

.footer p {
    margin: 0.5rem 0;
    font-size: 0.9rem;
}

/* ===== LOADING STATE ===== */
.loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

/* ===== CUSTOM SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-hover);
}

/* ===== MOBILE RESPONSIVENESS ===== */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--card-bg);
        border-bottom: 1px solid var(--border-color);
        padding: 1rem;
        box-shadow: var(--shadow);
        gap: 1rem;
    }

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

    .mobile-menu-btn {
        display: block;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero {
        padding: 4rem 1rem;
    }

    .section {
        padding: 3rem 1rem;
    }

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

    .certifications-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }
}
/* ===== EDUCATION SECTION ===== */
.education-card {
    margin-bottom: 1.5rem;
}

.education-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    gap: 1rem;
    margin-bottom: 1rem;
}

.education-status {
    flex-shrink: 0;
}

.education-content h4 {
    color: var(--text-primary);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.education-content h4:first-of-type {
    margin-top: 1rem;
}

.education-content ul {
    line-height: 1.8;
}

/* ===== BOOTCAMP PROJECTS SECTION ===== */
.section-intro {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.1rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.featured-project {
    border: 2px solid var(--accent-color);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, transparent 50%);
}

.featured-project:hover {
    box-shadow: 0 12px 24px rgba(16, 185, 129, 0.2);
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .education-header {
        flex-direction: column;
    }

    .education-status {
        align-self: flex-start;
    }
}

/* ===== PROJECT VIEWER MODAL ===== */
.project-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-primary);
    z-index: 9999;
    animation: fadeIn 0.3s ease;
}

.project-modal.active {
    display: flex;
    flex-direction: column;
}

.modal-header {
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow);
}

.modal-title-section {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.modal-title-section h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.25rem;
}

.modal-links {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.modal-links a {
    padding: 0.5rem 1rem;
    background-color: var(--accent-color);
    color: white;
    text-decoration: none;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.modal-links a:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
}

.close-modal-btn {
    background: none;
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.close-modal-btn:hover {
    background-color: #ef4444;
    border-color: #ef4444;
    color: white;
    transform: rotate(90deg);
}

.modal-content {
    flex: 1;
    position: relative;
    overflow: hidden;
}

.modal-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--text-secondary);
}

.modal-loading i {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.modal-loading p {
    font-size: 1.1rem;
}

.project-frame {
    width: 100%;
    height: 100%;
    border: none;
    background-color: white;
}

/* View Project Button */
.btn-view-project {
    background-color: var(--accent-color);
    color: white;
    border: 2px solid var(--accent-color);
    padding: 0.75rem 1.5rem;
}

.btn-view-project:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

/* Mobile responsiveness for modal */
@media (max-width: 768px) {
    .modal-header {
        padding: 1rem;
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }

    .modal-title-section {
        flex-direction: column;
        align-items: flex-start;
    }

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

    .modal-links a {
        width: 100%;
        justify-content: center;
    }

    .close-modal-btn {
        align-self: flex-end;
    }
}