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

body {
    font-family: 'Inter', sans-serif;
    background-color: #fafafc;
    color: #1A1A1A;
    line-height: 1.5;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ===================================================================
   2. TYPOGRAPHY & UTILITIES
   =================================================================== */
.accent {
    color: #2FA4E7;
    position: relative;
    display: inline-block;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-tag {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: #2FA4E7;
    background: rgba(47, 164, 231, 0.08);
    padding: 0.3rem 1rem;
    border-radius: 30px;
    margin-bottom: 1rem;
}

.section-header h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1F4E79;
}

.section-header p {
    font-size: 1.1rem;
    color: #4a5568;
    max-width: 650px;
    margin: 0 auto;
}

/* ===================================================================
   3. BUTTONS & INTERACTIVE ELEMENTS
   =================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.85rem 2rem;
    border-radius: 40px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.25s;
    border: none;
}

.btn-primary {
    background: #1F4E79;
    color: white;
    box-shadow: 0 4px 12px rgba(31, 78, 121, 0.15);
}

.btn-primary:hover {
    background: #2C6FA3;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(31, 78, 121, 0.2);
}

.btn-outline {
    background: transparent;
    border: 1.5px solid #cbd5e0;
    color: #1F4E79;
}

.btn-outline:hover {
    border-color: #2FA4E7;
    background: rgba(47, 164, 231, 0.05);
    transform: translateY(-2px);
    color: #2FA4E7;
}

.btn-secondary {
    background: #2FA4E7;
    color: white;
}

.btn-secondary:hover {
    background: #2C6FA3;
    transform: translateY(-2px);
}

.center-btn {
    text-align: center;
    margin-top: 2rem;
}

/* ===================================================================
   4. HEADER & NAVIGATION
   =================================================================== */
.site-header {
    background: white;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid #e2e8f0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo a {
    display: flex;
    align-items: center;
}

.logo img {
    height: 55px;
    width: auto;
    object-fit: contain;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    color: #1F4E79;
    transition: 0.2s;
    position: relative;
}

.nav-links a:hover, 
.nav-links a.active-nav {
    color: #2FA4E7;
}

.nav-links a.active-nav::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 100%;
    height: 2px;
    background: #2FA4E7;
    border-radius: 2px;
}

.menu-toggle {
    display: none;
    font-size: 1.6rem;
    cursor: pointer;
    color: #1F4E79;
}

/* ===================================================================
   5. FOOTER
   =================================================================== */
.site-footer {
    background: #1A1A1A;
    color: #a0aec0;
    padding-top: 3rem;
    margin-top: 2rem;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2.5rem;
    padding-bottom: 2rem;
}

.footer-about h3 {
    font-size: 1.5rem;
    color: white;
    margin-bottom: 1rem;
}

.footer-about p {
    margin-bottom: 1rem;
    font-size: 0.9rem;
    line-height: 1.5;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    background: rgba(255, 255, 255, 0.08);
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: 0.2s;
    color: #a0aec0;
}

.social-links a:hover {
    background: #2FA4E7;
    transform: translateY(-3px);
    color: white;
}

.footer-links h4, 
.footer-contact h4 {
    color: #2FA4E7;
    margin-bottom: 1.2rem;
    font-size: 1.1rem;
}

.footer-links ul li {
    margin-bottom: 0.6rem;
}

.footer-links a, 
.footer-contact p {
    font-size: 0.9rem;
    transition: 0.2s;
    color: #a0aec0;
}

.footer-links a:hover {
    color: #2FA4E7;
    padding-left: 4px;
}

.footer-contact p i {
    width: 28px;
    margin-right: 6px;
    color: #2FA4E7;
}

.footer-bottom {
    text-align: center;
    padding: 1.5rem;
    border-top: 1px solid #2d3748;
    font-size: 0.8rem;
    color: #718096;
}

.footer-bottom i {
    color: #2FA4E7;
}

/* ===================================================================
   6. HOMEPAGE - HERO SECTION
   =================================================================== */
.hero {
    padding: 4rem 0 3rem;
    background: #ffffff;
}

.hero-grid {
    display: flex;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.hero-content {
    flex: 1.2;
}

.hero-badge {
    background: rgba(47, 164, 231, 0.08);
    padding: 0.3rem 1rem;
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 600;
    color: #2FA4E7;
    display: inline-block;
    margin-bottom: 1.5rem;
}

.hero-content h1 {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: #1F4E79;
}

.hero-content p {
    font-size: 1.1rem;
    color: #4a5568;
    margin-bottom: 2rem;
    max-width: 90%;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    border-top: 1px solid #e2e8f0;
    padding-top: 1.5rem;
    margin-top: 0.5rem;
}

.hero-stats div {
    font-weight: 500;
    color: #1F4E79;
}

.hero-stats span {
    font-weight: 800;
    font-size: 1.6rem;
    display: block;
    color: #2FA4E7;
}

.hero-image {
    flex: 0.9;
    display: flex;
    justify-content: center;
}

.image-wrapper {
    width: 320px;
    height: 320px;
    background: #e2e8f0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    box-shadow: 0 20px 30px -15px rgba(0, 0, 0, 0.1);
}

.image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

/* ===================================================================
   7. HOMEPAGE - SKILLS SECTION
   =================================================================== */
.skills {
    padding: 5rem 0;
    background: #f8fafc;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 1rem;
}

.skill-card {
    background: #ffffff;
    padding: 2rem 1.8rem;
    border-radius: 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
    transition: all 0.3s;
    border: 1px solid #e2e8f0;
    text-align: center;
}

.skill-card:hover {
    transform: translateY(-5px);
    border-color: #2FA4E7;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.05);
}

.skill-icon {
    font-size: 2.5rem;
    color: #2FA4E7;
    margin-bottom: 1.2rem;
}

.skill-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    font-weight: 700;
    color: #1F4E79;
}

.skill-card p {
    color: #4a5568;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* ===================================================================
   8. HOMEPAGE - FEATURED WORK PREVIEW
   =================================================================== */
.featured-work {
    padding: 5rem 0;
    background: #ffffff;
}

.work-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.preview-item {
    background: #f8fafc;
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.25s;
    border: 1px solid #e2e8f0;
}

.preview-item:hover {
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.05);
    transform: translateY(-5px);
    border-color: #2FA4E7;
}

.preview-item h3 {
    margin-bottom: 0.5rem;
    font-weight: 700;
    font-size: 1.2rem;
    color: #1F4E79;
}

.preview-item p {
    color: #4a5568;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.preview-link {
    font-weight: 600;
    color: #2FA4E7;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.preview-link:hover {
    gap: 0.6rem;
    color: #1F4E79;
}

/* ===================================================================
   9. IMAGE SLIDER FOR HOMEPAGE PROJECTS
   =================================================================== */
.image-slider {
    position: relative;
    width: 100%;
    height: 250px;
    border-radius: 20px;
    overflow: hidden;
    margin-bottom: 1.2rem;
    background: linear-gradient(135deg, #1F4E79 0%, #2C6FA3 100%);
}

.slider-container {
    width: 100%;
    height: 250px;
    overflow: hidden;
    position: relative;
}

.slider-track {
    display: flex;
    width: 100%;
    height: 250px;
    transition: transform 0.4s ease-in-out;
    will-change: transform;
}

.slide {
    min-width: 100%;
    width: 100%;
    height: 250px;
    flex-shrink: 0;
}

.slide img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    object-position: center;
    display: block;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    font-weight: bold;
    color: #1F4E79;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    z-index: 10;
    opacity: 0;
}

.image-slider:hover .slider-btn {
    opacity: 1;
}

.slider-btn:hover {
    background: #2FA4E7;
    color: white;
    transform: translateY(-50%) scale(1.05);
}

.prev-btn {
    left: 10px;
}

.next-btn {
    right: 10px;
}

.slider-dots {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.2s ease;
}

.dot.active {
    width: 24px;
    border-radius: 4px;
    background: white;
}

.dot:hover {
    background: rgba(255, 255, 255, 0.9);
}

/* ===================================================================
   10. CUSTOM VIDEO PLAYER
   =================================================================== */
.custom-video-container {
    position: relative;
    width: 100%;
    height: 250px;
    border-radius: 20px;
    overflow: hidden;
    margin-bottom: 1.2rem;
    background: #000;
    cursor: pointer;
}

.custom-video-container video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    background: #000;
}

/* Loading Spinner */
.loading-indicator {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    pointer-events: none;
}

.loading-indicator.hidden {
    display: none;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid #2FA4E7;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Custom Controls */
.custom-controls {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 6px 8px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.85));
    display: flex;
    align-items: center;
    gap: 4px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 5;
}

.custom-video-container:hover .custom-controls,
.custom-video-container:focus-within .custom-controls {
    opacity: 1;
}

.control-button {
    background: transparent;
    border: none;
    cursor: pointer;
    color: white;
    padding: 4px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s;
    flex-shrink: 0;
    width: 28px;
    height: 28px;
}

.control-button:hover {
    background: rgba(255, 255, 255, 0.2);
}

.control-button svg {
    width: 16px;
    height: 16px;
}

.play-pause-btn {
    width: 30px;
    height: 30px;
}

.play-pause-btn svg {
    width: 18px;
    height: 18px;
}

/* Progress Bar */
.custom-controls .progress-container {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 0 6px;
    min-width: 0;
}

.custom-controls .progress-bar {
    flex: 1;
    height: 3px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    cursor: pointer;
    position: relative;
    min-width: 15px;
}

.custom-controls .progress-filled {
    height: 100%;
    background: #2FA4E7;
    border-radius: 2px;
    width: 0%;
    transition: width 0.1s linear;
    position: absolute;
    top: 0;
    left: 0;
}

.custom-controls .progress-bar:hover .progress-filled {
    background: #4FC4F7;
}

/* Time Display */
.custom-controls .time-display {
    color: #fff;
    font-size: 0.65rem;
    white-space: nowrap;
    min-width: 65px;
    text-align: center;
    flex-shrink: 0;
}

/* Volume Slider */
.volume-slider {
    width: 50px;
    height: 3px;
    -webkit-appearance: none;
    appearance: none;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
    flex-shrink: 0;
}

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 10px;
    height: 10px;
    background: white;
    border-radius: 50%;
    cursor: pointer;
}

.volume-slider::-moz-range-thumb {
    width: 10px;
    height: 10px;
    background: white;
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

/* Hide old play overlay */
.play-overlay {
    display: none;
}

/* Hide default video controls */
video::-webkit-media-controls {
    display: none !important;
}

video::-webkit-media-controls-enclosure {
    display: none !important;
}


/* ===================================================================
   11. HOMEPAGE - TESTIMONIALS SECTION
   =================================================================== */
.testimonials {
    padding: 5rem 0;
    background: #f8fafc;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: #ffffff;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
    border: 1px solid #e2e8f0;
    transition: 0.2s;
}

.testimonial-card:hover {
    border-color: #2FA4E7;
}

.quote-icon {
    font-size: 1.8rem;
    color: #2FA4E7;
    margin-bottom: 1rem;
    opacity: 0.6;
}

.testimonial-card p {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1.2rem;
    color: #2d3748;
}

.testimonial-author {
    font-weight: 700;
    color: #1F4E79;
    border-top: 1px solid #e2e8f0;
    padding-top: 1rem;
    margin-top: 0.5rem;
}

/* ===================================================================
   12. PAGE HEADER (Internal Pages)
   =================================================================== */
.page-header {
    background: #f8fafc;
    padding: 3rem 0;
    text-align: center;
    border-bottom: 1px solid #e2e8f0;
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: #1F4E79;
}

.page-header p {
    font-size: 1.1rem;
    color: #4a5568;
}

/* ===================================================================
   13. WORK PAGE - PROJECTS GRID
   =================================================================== */
.projects-section {
    padding: 3rem 0;
}

.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.filter-btn {
    padding: 0.5rem 1.3rem;
    border: 1.5px solid #e2e8f0;
    background: white;
    border-radius: 40px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
    color: #1F4E79;
}

.filter-btn:hover,
.filter-btn.active-filter {
    background: #1F4E79;
    border-color: #1F4E79;
    color: white;
}

.work-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    align-items: start;
}

.work-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
    transition: all 0.3s;
    border: 1px solid #e2e8f0;
    display: flex;
    flex-direction: column;
}

.work-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
    border-color: #2FA4E7;
}

/* Card media container - same height for both images and videos */
.work-card .card-img {
    height: 250px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}

/* Image card background */
.card-img:not(.video-card-img) {
    background: #1F4E79;
    color: white;
}

/* Video card background */
.card-img.video-card-img {
    background: #000;
}

/* Video inside work card */
.card-img.video-card-img .custom-video-container {
    height: 100%;
    width: 100%;
    margin-bottom: 0;
    border-radius: 0;
}

.card-img.video-card-img video {
    width: 100% !important;
    height: 100% !important;
    object-fit: contain !important;
    background: #000;
}

.card-img.video-card-img .custom-controls {
    border-radius: 0;
}

.work-card h3 {
    font-size: 1.3rem;
    padding: 1rem 1.5rem 0.25rem;
    color: #1F4E79;
}

.work-card p {
    padding: 0 1.5rem 0.5rem;
    color: #4a5568;
    font-size: 0.9rem;
}

.tech-tags {
    padding: 0 1.5rem 0.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    font-size: 0.7rem;
    background: rgba(47, 164, 231, 0.08);
    padding: 0.25rem 0.7rem;
    border-radius: 20px;
    color: #2FA4E7;
    font-weight: 500;
}

.card-footer {
    padding: 0.5rem 1.5rem 1.5rem;
}

.project-link {
    color: #2FA4E7;
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.project-link:hover {
    gap: 0.8rem;
    color: #1F4E79;
}

/* ===================================================================
   14. WORK PAGE - IMAGE SLIDERS
   =================================================================== */
.work-image-slider {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
    background: linear-gradient(135deg, #1F4E79 0%, #2C6FA3 100%);
}

.work-slider-container {
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: relative;
}

.work-slider-track {
    display: flex;
    width: 100%;
    height: 100%;
    transition: transform 0.4s ease-in-out;
}

.work-slide {
    min-width: 100%;
    width: 100%;
    height: 250px;
    flex-shrink: 0;
}

.work-slide img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    object-position: center;
    display: block;
}

.work-slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    font-weight: bold;
    color: #1F4E79;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    z-index: 10;
    opacity: 0;
}

.work-image-slider:hover .work-slider-btn {
    opacity: 1;
}

.work-slider-btn:hover {
    background: #2FA4E7;
    color: white;
}

.work-prev-btn {
    left: 8px;
}

.work-next-btn {
    right: 8px;
}

.work-slider-dots {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 6px;
    z-index: 10;
}

.work-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.2s ease;
}

.work-dot.active {
    width: 20px;
    border-radius: 3px;
    background: white;
}
/* ===================================================================
   15. EXPERIENCE PAGE - TIMELINE & SKILLS
   =================================================================== */
.experience-section {
    padding: 3rem 0;
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
}

.timeline-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-left: 2px solid #e2e8f0;
    position: relative;
    padding-left: 2rem;
}

.timeline-item:before {
    content: '';
    width: 10px;
    height: 10px;
    background: #2FA4E7;
    border-radius: 50%;
    position: absolute;
    left: -6px;
    top: 0.2rem;
}

.timeline-year {
    min-width: 100px;
    font-weight: 700;
    color: #2FA4E7;
}

.timeline-content h3 {
    font-size: 1.2rem;
    margin-bottom: 0.3rem;
    color: #1F4E79;
}

.timeline-content p {
    color: #4a5568;
    font-size: 0.9rem;
}

.skills-detailed {
    padding: 3rem 0;
    background: #f8fafc;
}

.skills-detailed-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.skill-detailed-card {
    background: white;
    padding: 1.5rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
    border: 1px solid #e2e8f0;
}

.skill-detailed-card i {
    font-size: 2rem;
    color: #2FA4E7;
    margin-bottom: 1rem;
}

.skill-detailed-card h3 {
    margin-bottom: 0.5rem;
    color: #1F4E79;
    font-size: 1.1rem;
}

.skill-bar {
    width: 100%;
    height: 6px;
    background: #e2e8f0;
    border-radius: 10px;
    margin: 1rem 0;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: #2FA4E7;
    border-radius: 10px;
    transition: width 1s ease;
}

.skill-detailed-card p {
    color: #2FA4E7;
    font-size: 0.85rem;
    font-weight: 600;
}

/* ===================================================================
   16. FAQ PAGE
   =================================================================== */
.faq-section {
    padding: 3rem 0;
}

.faq-categories {
    display: flex;
    justify-content: center;
    gap: 0.6rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

.faq-cat-btn {
    padding: 0.55rem 1.3rem;
    border: 1.5px solid #e2e8f0;
    background: white;
    border-radius: 40px;
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
    color: #1F4E79;
}

.faq-cat-btn:hover {
    border-color: #2FA4E7;
    color: #2FA4E7;
}

.faq-cat-btn.active-cat {
    background: #1F4E79;
    border-color: #1F4E79;
    color: white;
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-card {
    background: white;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    overflow: hidden;
    transition: all 0.25s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

.faq-card:hover {
    border-color: #cbd5e0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

.faq-card.open {
    border-color: #2FA4E7;
    box-shadow: 0 8px 24px rgba(47, 164, 231, 0.08);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: 1.05rem;
    font-weight: 600;
    color: #1F4E79;
    text-align: left;
    gap: 1rem;
    transition: color 0.2s ease;
}

.faq-question:hover {
    color: #2FA4E7;
}

.faq-question i {
    font-size: 1rem;
    transition: transform 0.3s ease;
    flex-shrink: 0;
    color: #a0aec0;
}

.faq-card.open .faq-question i {
    transform: rotate(180deg);
    color: #2FA4E7;
}

.faq-card.open .faq-question {
    color: #2FA4E7;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-card.open .faq-answer {
    max-height: 600px;
}

.faq-answer p,
.faq-answer ul,
.faq-answer ol {
    padding: 0 1.5rem 1.2rem;
    color: #4a5568;
    font-size: 0.95rem;
    line-height: 1.7;
}

.faq-answer ul,
.faq-answer ol {
    padding-left: 3rem;
    padding-bottom: 1.2rem;
}

.faq-answer ul li,
.faq-answer ol li {
    margin-bottom: 0.4rem;
}

.faq-cta {
    margin-top: 3rem;
    text-align: center;
}

.faq-cta-content {
    background: linear-gradient(135deg, #1F4E79 0%, #2C6FA3 100%);
    padding: 2.5rem 2rem;
    border-radius: 20px;
    color: white;
    max-width: 600px;
    margin: 0 auto;
}

.faq-cta-content i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.faq-cta-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.8rem;
}

.faq-cta-content p {
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.faq-cta-content .btn {
    background: white;
    color: #1F4E79;
}

.faq-cta-content .btn:hover {
    background: #f0f4f8;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

/* ===================================================================
   17. CONTACT PAGE
   =================================================================== */
.contact-section {
    padding: 3rem 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid #e2e8f0;
}

.contact-info h3 {
    margin-bottom: 1rem;
    font-size: 1.4rem;
    color: #1F4E79;
}

.contact-info > p {
    margin-bottom: 2rem;
    color: #4a5568;
}

.contact-detail {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-detail i {
    font-size: 1.3rem;
    color: #2FA4E7;
    width: 35px;
}

.contact-detail strong {
    display: block;
    margin-bottom: 0.2rem;
    color: #1F4E79;
    font-size: 0.9rem;
}

.contact-detail p {
    color: #4a5568;
    font-size: 0.9rem;
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid #e2e8f0;
}

.contact-form h3 {
    margin-bottom: 1.5rem;
    font-size: 1.4rem;
    color: #1F4E79;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: #1F4E79;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.9rem;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    margin-bottom: 1rem;
    font-family: inherit;
    background: white;
    transition: all 0.2s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #2FA4E7;
}

.contact-form button {
    width: 100%;
    justify-content: center;
}

#submitBtn {
    position: relative;
    min-width: 180px;
}

#submitBtn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-loading {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* Alert Messages */
.alert {
    padding: 1rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    font-size: 0.9rem;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert i {
    font-size: 1.2rem;
    margin-top: 2px;
    flex-shrink: 0;
}

.alert-success {
    background: #e6fffa;
    border: 1px solid #38b2ac;
    color: #234e52;
}

.alert-success i {
    color: #38b2ac;
}

.alert-error {
    background: #fff5f5;
    border: 1px solid #fc8181;
    color: #742a2a;
}

.alert-error i {
    color: #fc8181;
}

.alert ul {
    margin: 0;
    padding-left: 1.2rem;
}

.alert p {
    margin: 0.25rem 0 0;
}

.alert strong {
    display: block;
    margin-bottom: 0.25rem;
}

/* Lightbox Modal */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.lightbox-content {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    max-width: 450px;
    width: 90%;
    text-align: center;
    position: relative;
    animation: slideUp 0.2s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.close-lightbox {
    position: absolute;
    top: 1rem;
    right: 1.2rem;
    font-size: 1.8rem;
    cursor: pointer;
    color: #a0aec0;
}

.close-lightbox:hover {
    color: #ef4444;
}

.lightbox-icon {
    font-size: 3rem;
    color: #2FA4E7;
    margin-bottom: 1rem;
}

.lightbox-content h3 {
    margin-bottom: 0.8rem;
    color: #1F4E79;
}

.lightbox-content p {
    margin-bottom: 1.2rem;
    color: #4a5568;
    font-size: 0.9rem;
}

/* ===================================================================
   18. SCROLL REVEAL ANIMATIONS
   =================================================================== */
.skill-card,
.work-card,
.testimonial-card,
.timeline-item,
.preview-item,
.faq-card {
    opacity: 0;
    transform: translateY(25px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.skill-card.revealed,
.work-card.revealed,
.testimonial-card.revealed,
.timeline-item.revealed,
.preview-item.revealed,
.faq-card.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #1F4E79;
    color: white;
    border: none;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all 0.3s;
    z-index: 10000 !important;
}

.back-to-top:hover {
    background: #2FA4E7;
    transform: translateY(-3px);
}

/* ===================================================================
   18.5. PAGE TRANSITIONS
   =================================================================== */

/* Page Transition Overlay */
.page-transition-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #ffffff;
    z-index: 9999;
    pointer-events: none;
    opacity: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 20px;
    transition: opacity 0.4s ease;
}

.page-transition-overlay.active {
    opacity: 1;
    pointer-events: all;
}

/* Logo in transition */
.transition-logo {
    width: 120px;
    height: auto;
    max-height: 80px;
    object-fit: contain;
    animation: logoPulse 0.8s ease-in-out infinite;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.4s ease;
}

.page-transition-overlay.active .transition-logo {
    opacity: 1;
    transform: scale(1);
}

@keyframes logoPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Loading bar */
.transition-loading-bar {
    width: 200px;
    height: 3px;
    background: #e2e8f0;
    border-radius: 10px;
    overflow: hidden;
    opacity: 0;
    transition: opacity 0.3s ease 0.2s;
}

.page-transition-overlay.active .transition-loading-bar {
    opacity: 1;
}

.transition-loading-bar-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #1F4E79, #2FA4E7);
    border-radius: 10px;
    animation: loadingBar 0.8s ease-in-out forwards;
}

@keyframes loadingBar {
    0% { width: 0%; }
    50% { width: 60%; }
    100% { width: 100%; }
}

/* Loading text */
.transition-text {
    font-family: 'Inter', sans-serif;
    font-size: 0.8rem;
    font-weight: 500;
    color: #1F4E79;
    letter-spacing: 2px;
    text-transform: uppercase;
    opacity: 0;
    transition: opacity 0.3s ease 0.3s;
}

.page-transition-overlay.active .transition-text {
    opacity: 1;
}

/* Content wrapper */
.content-wrapper {
    opacity: 1;
    transition: opacity 0.3s ease;
}

.content-wrapper.fade-out {
    opacity: 0;
}

/* Back to top button must stay above overlay */
.back-to-top {
    z-index: 10000 !important;
}

/* ===================================================================
   19. RESPONSIVE DESIGN
   =================================================================== */
@media (max-width: 992px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    .hero-grid {
        flex-direction: column-reverse;
        text-align: center;
    }
    .hero-content p {
        max-width: 100%;
    }
    .hero-buttons {
        justify-content: center;
    }
    .hero-stats {
        justify-content: center;
    }
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        background: white;
        position: absolute;
        top: 70px;
        left: 0;
        padding: 1.2rem;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
        gap: 1rem;
        border-top: 1px solid #e2e8f0;
    }
    .nav-links.show {
        display: flex;
    }
    .menu-toggle {
        display: block;
    }
    .section-header h2 {
        font-size: 1.8rem;
    }
    .timeline-item {
        flex-direction: column;
        gap: 0.5rem;
    }
    .container {
        padding: 0 1.2rem;
    }
    .work-grid {
        grid-template-columns: 1fr;
    }
    .faq-grid {
        gap: 0.8rem;
    }
    .faq-question {
        font-size: 0.95rem;
        padding: 1rem 1.2rem;
    }
    .faq-answer p,
    .faq-answer ul,
    .faq-answer ol {
        padding: 0 1.2rem 1rem;
        font-size: 0.9rem;
    }
    .faq-answer ul,
    .faq-answer ol {
        padding-left: 2.5rem;
    }
    .faq-categories {
        gap: 0.4rem;
    }
    .faq-cat-btn {
        padding: 0.45rem 1rem;
        font-size: 0.8rem;
    }
    .image-slider,
    .slider-container,
    .slider-track,
    .slide,
    .slide img,
    .work-image-slider,
    .work-slide,
    .work-slide img {
        height: 200px;
    }
    .custom-video-container {
        height: 200px;
    }
    .card-img.video-card-img {
        height: 200px;
    }
    .slider-btn {
        width: 30px;
        height: 30px;
        font-size: 1.2rem;
        opacity: 0.7;
    }
    .work-slider-btn {
        width: 28px;
        height: 28px;
        font-size: 1rem;
        opacity: 0.7;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        flex-wrap: wrap;
        gap: 1rem;
        justify-content: center;
    }
    .btn {
        padding: 0.7rem 1.3rem;
    }
    .page-header h1 {
        font-size: 1.8rem;
    }
    .hero-content h1 {
        font-size: 1.8rem;
    }
    .image-wrapper {
        width: 220px;
        height: 220px;
    }
    .filter-btn {
        padding: 0.4rem 1rem;
        font-size: 0.8rem;
    }
    .custom-video-container {
        height: 180px;
    }
    .card-img.video-card-img {
        height: 180px;
    }
    .image-slider,
    .slider-container,
    .slider-track,
    .slide,
    .slide img {
        height: 180px;
    }
}