/* ==================== DATAastraa PORTFOLIO CSS - PDF-INSPIRED DESIGN ==================== */

/* ==================== GLOBAL STYLES ==================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* PDF Color Scheme - Deep Blues, Warm Orange Accents */
    --primary-color: #001F3F;      /* Deep navy blue for headers/backgrounds */
    --secondary-color: #00549e;    /* Bright blue for accents/links */
    --accent-color: #FF851B;       /* Warm orange for highlights/buttons */
    --success-color: #2ECC40;      /* Green for success (metrics) */
    --error-color: #FF4136;        /* Red for errors */
    --light-bg: #F0F8FF;           /* Alice blue background */
    --card-bg: #FFFFFF;            /* White cards */
    --dark-bg: #001F3F;            /* Dark overlay */
    --border-color: #BDC3C7;       /* Light gray borders */
    --text-dark: #2C3E50;          /* Dark gray text */
    --text-light: #7F8C8D;         /* Medium gray */
    --white: #FFFFFF;
    
    /* Typography - PDF Style */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-heading: 700;
    --font-body: 400;
    --line-height: 1.7;
}

body {
    font-family: var(--font-primary);
    background-color: var(--light-bg);
    color: var(--text-dark);
    line-height: var(--line-height);
}

/* ==================== NAVBAR - PDF Header Style ==================== */

.navbar {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 1rem 0;
    box-shadow: 0 4px 12px rgba(0, 31, 63, 0.2);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo h1 {
    font-size: 2rem;
    font-weight: var(--font-heading);
    margin: 0;
    color: var(--white);
}

.tagline {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    font-weight: var(--font-body);
}

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

.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 5px;
}

.nav-links a:hover,
.nav-links a.active {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--accent-color);
}

/* ==================== CONTAINER ==================== */

.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 2rem;
}

/* ==================== HERO SECTION - PDF Intro Style ==================== */

.hero {
    text-align: center;
    margin-bottom: 3rem;
    padding: 3rem 0;
    background: linear-gradient(135deg, var(--light-bg), var(--white));
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.hero h2 {
    font-size: 2.8rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: var(--font-heading);
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ==================== FILTERS & BUTTONS - PDF Tab Style ==================== */

.filters {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
    background: var(--white);
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.filter-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.8rem 1.2rem;
    border: 2px solid var(--secondary-color);
    background-color: var(--white);
    color: var(--secondary-color);
    border-radius: 30px;
    cursor: pointer;
    font-weight: 550;
    transition: all 0.3s ease;
    font-size: 0.7rem;
}

.filter-btn:hover {
    background-color: var(--secondary-color);
    color: var(--white);
    transform: translateY(-2px);
}

.filter-btn.active {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--white);
}

.export-section {
    display: flex;
    gap: 0.5rem;
}

.export-btn {
    padding: 0.8rem 1.5rem;
    background: linear-gradient(135deg, var(--accent-color), #050505);
    color: var(--white);
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 400;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(255, 133, 27, 0.3);
}

.export-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 133, 27, 0.4);
}

.btn-primary {
    padding: 0.8rem 1.5rem;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: var(--white);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 116, 217, 0.3);
}

.btn-secondary, .btn-edit {
    padding: 0.6rem 1.2rem;
    background-color: var(--text-light);
    color: var(--white);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-secondary:hover, .btn-edit:hover {
    background-color: #95A5A6;
}

.btn-danger, .btn-delete {
    padding: 0.6rem 1.2rem;
    background-color: var(--error-color);
    color: var(--white);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-danger:hover, .btn-delete:hover {
    background-color: #FF6B6B;
}

.sticky-featured-btn {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 9999;
  border-radius: 10px;
  padding: 0.5em 0.5em;
  font-size: 0.9em;
  box-shadow: 0 4px 18px rgba(0,0,0,0.15);
  background: var(--accent-color, #FF851B);
  color: #fff;
  border: none;
  cursor: pointer;
  opacity: 0.9;
  transition: box-shadow 0.2s, background 0.2s;
}

.sticky-featured-btn:hover {
  background: #e67300;
  box-shadow: 0 6px 24px rgba(0,0,0,0.16);
}

.external-link-btn {
  margin-left: auto;
  background: #000000;
  color: #fff;
  border: none;
  border-radius: 5px;
  padding: 0.7rem 1.7rem;
  font-weight: 550;
  font-size: 1rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  margin-left: auto;
  box-shadow: 0 2px 8px rgba(66, 133, 244, 0.10);
  transition: background 0.2s, transform 0.2s;
}
.external-link-btn:hover, .external-link-btn:focus {
  background: linear-gradient(135deg, #1356a1 70%, #1aa3ff 100%);
  transform: translateY(-2px) scale(1.025);
  outline: none;
}


/* ==================== STATISTICS - PDF Metrics Cards ==================== */

.statistics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: var(--white);
    padding: 1rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    text-align: center;
    border-left: 5px solid var(--accent-color);
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-card h4 {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 0.3rem
    text-transform: uppercase;
    letter-spacing: 0.5 px;
}

.stat-number {
    font-size: 1.1rem;
    color: var(--primary-color);
    font-weight: var(--font-heading);
    margin: 0;
}

/* ==================== PORTFOLIO - PDF Project Cards ==================== */

.portfolio {
    margin-bottom: 3rem;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #ECF0F1;
}

.project-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    transform: translateY(-8px);
}

.project-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 2rem;
    position: relative;
}

.project-header h3 {
    margin: 0 0 0.5rem 0;
    font-size: 0.9rem;
    font-weight: var(--font-heading);
}

.project-header .client-name {
    font-size: .8rem;
    opacity: 0.9;   
    margin: 0 0 0.5rem 0;
}

.project-header .industry-badge {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--white);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 550;
}

.project-body {
    padding: 2rem;
}

.project-section {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #ECF0F1;
}

.project-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.project-section h4 {
    font-size: 0.9rem;
    color: var(--secondary-color);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.project-section p {
    font-size: 0.8rem;
    color: var(--text-dark);
    line-height: var(--line-height);
}

.kpi-item {
    font-size: 0.8rem;
    background: linear-gradient(90deg, var(--light-bg), #E8F5E8);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    border-left: 4px solid var(--success-color);
    transition: all 0.3s ease;
}

.kpi-item:hover {
    box-shadow: 0 2px 8px rgba(46, 204, 64, 0.1);
}

.kpi-value {
    font-weight: 700;
    color: var(--success-color);
    font-size: 0.8rem;
}

/* ==================== ADMIN - PDF Form Style ==================== */

.admin-container {
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.admin-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 0;
    background: var(--light-bg);
    border-bottom: 1px solid var(--border-color);
}

.tab-btn {
    flex: 1;
    padding: 1.2rem;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-light);
    transition: all 0.3s ease;
    text-align: center;
}

.tab-btn:hover {
    color: var(--secondary-color);
    background: rgba(0, 116, 217, 0.05);
}

.tab-btn.active {
    color: var(--secondary-color);
    border-bottom-color: var(--secondary-color);
    background: var(--white);
}

.tab-content {
    display: none;
    padding: 2rem;
}

.tab-content.active {
    display: block;
}

.admin-section {
    background: var(--white);
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.admin-section h3 {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    font-size: 1.5rem;
}

/* ==================== FORMS - PDF Input Style ==================== */

.admin-form {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #BDC3C7;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(0, 116, 217, 0.1);
    transform: translateY(-1px);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* ==================== LISTS - PDF List Items ==================== */

.list-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.list-item {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--secondary-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.list-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transform: translateX(4px);
}

.list-item-content {
    flex: 1;
}

.list-item-content h4 {
    margin: 0 0 0.5rem 0;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.list-item-content p {
    margin: 0;
    font-size: 0.95rem;
    color: var(--text-light);
}

.list-item-actions {
    display: flex;
    gap: 0.5rem;
}

/* ==================== MESSAGES - PDF Alert Style ==================== */

.message {
    padding: 1rem 1.5rem;
    margin-bottom: 1rem;
    border-radius: 8px;
    display: none;
    font-weight: 500;
    border-left: 4px solid;
}

.message.success {
    background-color: #D5F4E6;
    color: #27AE60;
    border-color: var(--success-color);
    display: block;
}

.message.error {
    background-color: #FDEDEA;
    color: #E74C3C;
    border-color: var(--error-color);
    display: block;
}



/* ==================== LOADING & EMPTY - PDF Placeholder ==================== */

.loading,
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--white);
    border-radius: 12px;
    color: var(--text-light);
    margin: 2rem 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.loading p::before {
    content: '⏳ ';
}

/* ==================== FOOTER - PDF Footer Style ==================== */

footer {
    background: var(--primary-color);
    color: var(--white);
    text-align: center;
    padding: 2rem;
    margin-top: 4rem;
    font-size: 0.9rem;
}

footer p {
    margin: 0;
    opacity: 0.9;
}

/* ==================== RESPONSIVE - Mobile Brochure View ==================== */

@media (max-width: 768px) {
    .container {
        padding: 1rem;
        align-content: center;
    }

    .nav-container {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .logo h1 {
        font-size: 1.6rem;
    }

    .hero h2 {
        font-size: 2rem;
    }

    .filters {
        flex-direction: column;
        align-items: stretch;
        align-content: center;
    }

    .filter-buttons {
        justify-content: center;
    }

    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .admin-tabs {
        flex-direction: column;
    }

    .tab-btn {
        border-bottom: none;
        border-right: 3px solid transparent;
    }

    .tab-btn.active {
        border-right-color: var(--secondary-color);
    }

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

    .project-body {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero h2 {
        font-size: 1.8rem;
    }

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

    .admin-form {
        padding: 1.5rem;
    }

    .btn-primary,
    .export-btn {
        width: 100%;
    }

    .project-header {
        padding: 1.5rem;
    }

    .project-header h3 {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .statistics {
        display: flex;
        flex-wrap: flex !important;
        gap: 0.5rem;
        margin-bottom: 3rem;
    }

    .stat-card {
        background: var(--white);
        padding: 1rem;
        border-radius: 8px;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
        text-align: center;
        border-left: 5px solid var(--accent-color);
        transition: transform 0.3s ease;
    }

    .stat-card:hover {
        transform: translateY(-5px);
    }

    .stat-card h4 {
        color: var(--text-light);
        font-size: .75rem;
        margin-bottom: 0.3rem
        text-transform: uppercase;
        letter-spacing: 0.5 px;
    }

    .stat-number {
        font-size: 1rem;
        color: var(--primary-color);
        font-weight: var(--font-heading);
        margin: 0;
    }
    /* Filter Buttons Group: .filters, .filter-buttons, .industry-filter */
  .filters,
  .filter-buttons,
  .industry-filters,
  .industry-filter-container {
    flex-wrap: flex !important;
    gap: 0.3rem !important;
    padding: 0.2rem 0 !important;
    margin-bottom: 0.6rem !important;
    align-items: left !important;
  }
  .filter-btn,
  .external-link-btn,
  .export-btn {
    font-size: 0.6rem !important;
    padding: 0.38rem 0.5rem !important;
    min-width: 80px !important;
    border-radius: 10px !important;
    margin-bottom: 0.1rem !important;
  }
  .external-link-btn i,
  .filter-btn i {
    font-size: 0.98rem !important;
    margin-right: 0.25em !important;
    vertical-align: middle !important;
  }
  /* Featured/Action Button: make full width for big tap targets on mobile */
  .external-link-btn,
  .export-btn {
    width: 100%;
    margin-top: 0.4rem;
    margin-left: 0 !important;
    border-radius: 16px !important;
    display: block;
  }

  /* Portfolio/project cards tighter: */
  .projects-grid {
    gap: 1rem !important;
    padding: 0.2rem !important;
  }
  .project-card {
    padding: 0.5rem 0.3rem !important;
    margin-bottom: 0.8rem !important;
  }
  .project-header,
  .project-section {
    padding: 0.7rem 0.4rem !important;
  }
  .project-header h3 {
    font-size: 0.8rem !important;
    margin-bottom: 0.18rem !important;
  }
  .project-header .client-name,
  .project-header .industry-badge {
    font-size: 0.7rem !important;
    padding: 0.2rem 0.4rem !important;
  }
  .project-section h4,
  .project-section p {
    font-size: 0.75rem !important;
    margin-bottom: 0.18rem !important;
  }

.kpi-item {
    font-size: 0.7rem !important;
    background: linear-gradient(90deg, var(--light-bg), #E8F5E8);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    border-left: 4px solid var(--success-color);
    transition: all 0.3s ease;
}

.kpi-item:hover {
    box-shadow: 0 2px 8px rgba(46, 204, 64, 0.1);
}

.kpi-value {
    font-weight: 500;
    color: var(--success-color);
    font-size: 0.8rem;
}

  /* Reduce header/footer padding for mobile */
  .navbar, footer {
    padding: 0.8rem 0.2rem !important;
    font-size: 0.5rem !important;
  }
}

/* ==================== ANIMATIONS - Subtle PDF Polish ==================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.project-card,
.stat-card {
    animation: fadeInUp 0.6s ease-out;
}

.project-card:nth-child(2) { animation-delay: 0.1s; }
.project-card:nth-child(3) { animation-delay: 0.2s; }
.project-card:nth-child(4) { animation-delay: 0.3s; }