/* Custom Bootstrap Overrides with Animations */
:root {
    --bs-body-bg: #272727;
    --bs-body-color: #fff;
    --bs-primary: #ffeb00;
    --bs-warning: #ffeb00;
}

body {
    font-family: 'Poppins', sans-serif;
    background: #272727;
    color: #fff;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

/* Loader */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #272727;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.spinner {
    border: 4px solid rgba(255, 235, 0, 0.2);
    border-top: 4px solid #ffeb00;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.double-bounce1, .double-bounce2 {
    display: none;
}

/* Navbar */
.navbar {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    padding: 0.75rem 0 !important;
    transition: all 0.3s ease;
    background-color: #272727 !important;
}

.navbar-brand {
    font-size: 1.5rem;
    color: #ffeb00 !important;
    font-weight: 700;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    margin-right: 1.5rem !important;
    text-shadow: none;
}

.navbar-brand:hover {
    text-shadow: 0 0 20px rgba(255, 235, 0, 0.6);
}

.navbar-toggler {
    border: 1px solid rgba(255, 235, 0, 0.3);
    padding: 0.4rem 0.6rem;
    transition: all 0.3s ease;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.25rem rgba(255, 235, 0, 0.25);
    outline: none;
    border-color: rgba(255, 235, 0, 0.6);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 235, 0, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.nav-link {
    color: #ccc !important;
    transition: all 0.3s ease;
    position: relative;
    margin: 0 0.5rem;
    padding: 0.5rem 0 !important;
    font-weight: 500;
    font-size: 0.95rem;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #ffeb00;
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link:hover,
.nav-link.active {
    color: #ffeb00 !important;
}

/* ===== TABLET/MOBILE NAVBAR (Max 991px) ===== */
@media (max-width: 991px) {
    .navbar {
        padding: 0.6rem 0 !important;
    }

    .navbar-brand {
        font-size: 1.3rem;
        margin-right: 1rem !important;
    }

    .navbar-collapse {
        padding-top: 1rem;
        border-top: 1px solid rgba(255, 235, 0, 0.1);
        margin-top: 1rem;
        background: rgba(39, 39, 39, 0.98);
        border-radius: 0.5rem;
    }

    .navbar-nav {
        gap: 0;
    }

    .nav-item {
        margin: 0;
        padding: 0;
    }

    .nav-link {
        margin: 0 !important;
        padding: 0.75rem 1rem !important;
        font-size: 0.9rem;
        display: block;
        color: #ccc !important;
        border-left: 3px solid transparent;
    }

    .nav-link::after {
        display: none !important;
    }

    .nav-link:hover {
        color: #ffeb00 !important;
        background: rgba(255, 235, 0, 0.08);
        border-left-color: #ffeb00;
        padding-left: 1.5rem !important;
    }

    .nav-link.active {
        color: #ffeb00 !important;
        background: rgba(255, 235, 0, 0.1);
        border-left-color: #ffeb00;
        font-weight: 600;
    }
}

/* ===== SMALL PHONES (Max 576px) ===== */
@media (max-width: 576px) {
    .navbar-brand {
        font-size: 1.1rem;
        margin-right: 0.75rem !important;
    }

    .navbar {
        padding: 0.5rem 0 !important;
    }

    .nav-link {
        font-size: 0.85rem;
        padding: 0.6rem 1rem !important;
    }

    .navbar-collapse {
        padding-top: 0.75rem;
        margin-top: 0.75rem;
    }

    .nav-link:hover {
        padding-left: 1.25rem !important;
    }
}

/* Hero Section */
.hero-section {
    position: relative;
    background: linear-gradient(135deg, #272727 0%, #1a1a1a 100%);
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(255, 235, 0, 0.05), transparent);
    z-index: 1;
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.8; }
}

.z-3 {
    z-index: 3;
}

/* Profile Image Animation */
.rounded-circle {
    animation: float 3s ease-in-out infinite;
    box-shadow: 0 0 30px rgba(255, 235, 0, 0.3);
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Text Animations */
.animate-title {
    animation: fadeInUp 1s ease;
}

.animated-gradient {
    background: linear-gradient(90deg, #ffeb00, #ffc300);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

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

/* Sections */
section {
    position: relative;
    transition: all 0.3s ease;
}

/* Forms */
.form-control {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 235, 0, 0.2);
    color: #fff;
    padding: 12px 15px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: #ffeb00;
    box-shadow: 0 0 0 0.2rem rgba(255, 235, 0, 0.25);
    color: #fff;
    transform: translateY(-2px);
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.form-label {
    color: #fff;
    margin-bottom: 8px;
    font-weight: 600;
}

/* Buttons */
.btn-warning {
    background: #ffeb00;
    border: #ffeb00;
    color: #000;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-warning::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-warning:hover {
    background: #fff;
    border: #fff;
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255,235,0,0.3);
}

.btn-warning:hover::before {
    width: 300px;
    height: 300px;
}

.btn-outline-warning {
    color: #ffeb00;
    border-color: #ffeb00;
    transition: all 0.3s ease;
}

.btn-outline-warning:hover {
    background: #ffeb00;
    border-color: #ffeb00;
    color: #000;
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255,235,0,0.3);
}

/* Progress Bars */
.progress {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(90deg, #ffeb00, #ffc300);
    transition: width 0.6s ease;
}

/* Badges */
.badge {
    padding: 6px 12px;
    font-size: 0.85rem;
    transition: all 0.3s ease;
}

.badge:hover {
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(255, 235, 0, 0.3);
}

/* Cards */
.project-card {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 235, 0, 0.1), transparent);
    transition: left 0.5s ease;
    z-index: 1;
}

.project-card:hover::before {
    left: 100%;
}

.project-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    border-color: #ffeb00 !important;
}

.project-card:hover .project-image img {
    transform: scale(1.15) rotate(2deg);
}

.project-card .overlay {
    transition: opacity .28s ease;
    background: rgba(0,0,0,0.6);
}

.project-card:hover .overlay,
.project-card:focus-within .overlay { opacity: 1 !important; }

.resume-card {
    transition: all 0.3s ease;
    position: relative;
}

.resume-card:hover {
    transform: translateX(15px);
    background: rgba(255, 235, 0, 0.12) !important;
    box-shadow: 0 10px 30px rgba(255, 235, 0, 0.15);
}

.testimonial-card {
    transition: all 0.3s ease;
    position: relative;
}

.testimonial-card:hover {
    transform: translateY(-8px);
    background: rgba(255, 235, 0, 0.12) !important;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

/* Modal */
.modal-content {
    background: #272727;
    border: 1px solid rgba(255, 235, 0, 0.2);
}

.modal-header {
    border-color: rgba(255, 235, 0, 0.2);
    background: rgba(255, 235, 0, 0.05);
}

.btn-close-white {
    filter: brightness(0) invert(1);
}

/* Icon Links */
.icon-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: 10px;
    background: rgba(255, 235, 0, 0.06);
    transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease;
    border: 1px solid rgba(255,235,0,0.04);
}

.icon-link i {
    font-size: 1.05rem;
    line-height: 1;
    color: inherit;
}

.icon-link:hover {
    transform: translateY(-6px);
    background: #ffeb00;
    color: #000 !important;
    box-shadow: 0 12px 30px rgba(255,235,0,0.18);
}

.icon-link:focus {
    outline: 4px solid rgba(255,235,0,0.12);
    outline-offset: 2px;
}

/* small screens: reduce size */
@media (max-width: 576px) {
    .icon-link { width: 40px; height: 40px; border-radius: 8px; }
    .icon-link i { font-size: 0.95rem; }
}

/* Scroll Down Indicator */
.scroll-down {
    display: flex;
    justify-content: center;
    animation: fadeInUp 1s ease 1.5s both;
}

.scroll-down span {
    display: block;
    width: 20px;
    height: 20px;
    border: 2px solid #ffeb00;
    border-radius: 50%;
    animation: scroll-down 2s infinite;
}

@keyframes scroll-down {
    0% {
        transform: translateY(0);
        opacity: 1;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: translateY(10px);
        opacity: 0;
    }
}

/* ===== Education timeline ===== */
.education-timeline { border-left: 2px dashed rgba(255,235,0,0.08); padding-left: 18px; }
.timeline-item { position: relative; padding-left: 12px; }
.timeline-marker {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: linear-gradient(90deg,#ffeb00,#ffc300);
    box-shadow: 0 6px 20px rgba(255,235,0,0.12);
    flex: 0 0 14px;
}
.timeline-content h5 { margin-bottom: 6px; }
.timeline-content p { margin-bottom: 0; color: rgba(255,255,255,0.85); }

/* ===== Experience accordion tweaks ===== */
.accordion-button { background: rgba(0,0,0,0.15); border: none; color: #fff; }
.accordion-button:not(.collapsed) { background: rgba(255,235,0,0.06); color: #ffeb00; box-shadow: none; }
.accordion-body ul { padding-left: 18px; }
.accordion-body li { margin-bottom: 6px; }

/* ===== Certificates ===== */
.certificate-card {
    background: rgba(255,255,255,0.02);
    border-radius: 12px;
    border: 1px solid rgba(255,235,0,0.06);
    transition: transform .35s ease, box-shadow .35s ease;
}
.certificate-card img { max-height: 220px; object-fit: cover; border-radius: 8px; }
.certificate-card:hover { transform: translateY(-8px); box-shadow: 0 20px 40px rgba(0,0,0,0.45); }

/* ===== Experience roadmap (vertical) ===== */
.experience-roadmap {
    position: relative;
    padding-left: 18px;
}
.experience-roadmap::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, rgba(255,235,0,0.18), rgba(255,235,0,0.06));
    border-radius: 3px;
    box-shadow: 0 6px 18px rgba(255,235,0,0.03) inset;
}
.roadmap-item {
    position: relative;
    margin-bottom: 28px;
    padding-left: 22px;
}
.roadmap-marker {
    position: absolute;
    left: -2px;
    top: 4px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: linear-gradient(90deg,#ffeb00,#ffc300);
    box-shadow: 0 8px 24px rgba(255,235,0,0.12);
    border: 3px solid rgba(33,33,33,0.85);
}
.roadmap-body h5 { margin-bottom: 6px; }
.roadmap-body p, .roadmap-body ul { margin-bottom: 6px; color: rgba(255,255,255,0.9); }
.roadmap-body ul { padding-left: 18px; }

/* compact spacing on small screens */
@media (max-width: 768px) {
    .experience-roadmap::before { left: 8px; }
    .roadmap-item { padding-left: 16px; }
    .roadmap-marker { left: -6px; width: 12px; height: 12px; }
}

/* ===== Projects: ensure overlay works on mobile & desktop ===== */
.project-card .overlay {
    transition: opacity .28s ease;
    background: rgba(0,0,0,0.6);
}
.project-card:hover .overlay,
.project-card:focus-within .overlay { opacity: 1 !important; }

/* adjust project image height for small screens */
@media (max-width: 576px) {
    .project-image { height: 160px !important; }
    .project-image img { object-fit: cover; }
}

/* responsive: carousel images scale */
@media (max-width: 992px) {
    .certificate-card img { max-height: 180px; }
    .timeline-marker { width: 12px; height: 12px; }
}

/* small screens: show grid (fallback) and ensure spacing */
@media (max-width: 768px) {
    .education-timeline { padding-left: 0; border-left: none; }
    .timeline-item { padding-left: 0; margin-bottom: 18px; }
    .timeline-marker { display: none; }
    .certificate-card img { max-height: 160px; }
}

/* ensure accordion is fully responsive */
.accordion-button { padding: 1rem 1rem; font-size: 0.95rem; }
.accordion-body { font-size: 0.95rem; }

/* accessibility: focus styles */
.accordion-button:focus { box-shadow: 0 0 0 4px rgba(255,235,0,0.12); outline: none; }

/* Education timeline: horizontal (x-axis) with responsive vertical fallback */
.edu-timeline {
    position: relative;
    padding: 30px 0;
    overflow: hidden;
}

.edu-timeline .timeline-line {
    position: absolute;
    top: 50%;
    left: 40px;
    right: 40px;
    height: 4px;
    background: linear-gradient(90deg, rgba(255,235,0,0.14), rgba(255,235,0,0.06));
    transform: translateY(-50%);
    z-index: 0;
    border-radius: 4px;
}

.edu-timeline .timeline-items {
    position: relative;
    z-index: 2;
    gap: 20px;
    padding: 10px 40px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scroll-behavior: smooth;
}

.timeline-item {
    min-width: 300px;
    flex: 0 0 auto;
    position: relative;
    box-shadow: 0 8px 30px rgba(0,0,0,0.5);
    border: 1px solid rgba(255,235,0,0.05);
}

.timeline-item .timeline-marker {
    position: absolute;
    left: -28px;
    top: 18px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: linear-gradient(90deg,#ffeb00,#ffc300);
    box-shadow: 0 6px 20px rgba(255,235,0,0.12);
    border: 3px solid rgba(33,33,33,0.9);
}

.timeline-card h5 { font-size: 1.02rem; }
.timeline-card p { font-size: .9rem; line-height: 1.4; }

/* Desktop arrows hint */
.edu-timeline .timeline-items::after {
    content: '';
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: linear-gradient(90deg, rgba(39,39,39,0.0), rgba(39,39,39,0.85));
    pointer-events: none;
    border-radius: 20px;
}

/* Hover polish */
.timeline-item:hover { transform: translateY(-6px); transition: transform .28s ease; }

/* Responsive: stack vertical for small screens */
@media (max-width: 900px) {
    .edu-timeline .timeline-line {
        left: 20px;
        right: auto;
        width: 4px;
        height: calc(100% - 60px);
        top: 40px;
        transform: none;
    }
    .edu-timeline .timeline-items {
        display: flex;
        flex-direction: column;
        overflow-x: visible;
        padding: 10px 20px;
    }
    .timeline-item {
        min-width: auto;
        width: 100%;
        margin-bottom: 18px;
    }
    .timeline-item .timeline-marker {
        left: -10px;
        top: 14px;
    }
    .edu-timeline .timeline-items::after { display: none; }
}

/* Accessibility: focus visible */
.timeline-item:focus-within,
.timeline-item:focus {
    outline: 4px solid rgba(255,235,0,0.12);
    outline-offset: 6px;
}

/* small polish for scrollbar */
.timeline-items::-webkit-scrollbar { height: 8px; }
.timeline-items::-webkit-scrollbar-thumb { background: rgba(255,235,0,0.12); border-radius: 6px; }

/* Responsive */
@media (max-width: 768px) {
    .display-4 {
        font-size: 2rem;
    }

    .display-3 {
        font-size: 1.8rem;
    }

    .fs-5 {
        font-size: 1rem !important;
    }

    .hero-section {
        padding-top: 100px !important;
        padding-bottom: 40px !important;
    }

    section {
        padding-top: 60px !important;
        padding-bottom: 40px !important;
    }

    .rounded-circle {
        width: 140px !important;
        height: 140px !important;
    }

    .project-card:hover {
        transform: translateY(-8px);
    }

    .project-card:hover .project-image img {
        transform: scale(1.1) rotate(0deg);
    }

    .resume-card:hover {
        transform: translateX(8px);
    }

    .contact-form {
        padding: 20px !important;
    }

    .navbar-brand {
        font-size: 1.2rem;
    }

    .nav-link {
        margin: 0 5px;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .display-3 {
        font-size: 1.5rem;
    }

    .display-4 {
        font-size: 1.5rem;
    }

    .hero-section {
        min-height: 80vh;
    }

    .rounded-circle {
        width: 120px !important;
        height: 120px !important;
    }

    .btn {
        font-size: 0.9rem;
        padding: 8px 16px !important;
    }

    .nav-link::after {
        display: none;
    }
}

/* ===== Vertical Education Roadmap (no scroll) ===== */
.edu-timeline-vertical { width: 100%; padding: 10px 0 0 0; }
.timeline {
    position: relative;
    list-style: none;
    padding: 0;
    margin: 0;
    /* vertical central line */
}
.timeline::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, rgba(255,235,0,0.14), rgba(255,235,0,0.05));
    border-radius: 2px;
    z-index: 0;
    box-shadow: 0 6px 18px rgba(255,235,0,0.03) inset;
}

.timeline-item {
    position: relative;
    margin: 20px 0;
    z-index: 2;
    display: flex;
    justify-content: flex-end;
    width: 100%;
}

/* alternate sides on larger screens */
.timeline-item:nth-child(odd) .timeline-item-content {
    margin-right: 54%;
    text-align: left;
}
.timeline-item:nth-child(even) .timeline-item-content {
    margin-left: 54%;
    text-align: left;
}

/* content card */
.timeline-item-content {
    position: relative;
    padding: 18px 20px;
    background: rgba(39,39,39,0.85);
    border: 1px solid rgba(255,235,0,0.06);
    border-radius: 10px;
    max-width: 46%;
    box-shadow: 0 14px 40px rgba(0,0,0,0.55);
    transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
}

/* center markers */
.timeline-item::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 18px;
    transform: translateX(-50%);
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: linear-gradient(90deg,#ffeb00,#ffc300);
    border: 3px solid rgba(33,33,33,0.85);
    box-shadow: 0 8px 24px rgba(255,235,0,0.12);
}

/* small date label style */
.timeline-date {
    display: inline-block;
    color: #ccc;
    font-weight: 600;
    font-size: .85rem;
    margin-bottom: .5rem;
    opacity: .95;
}

/* hover/focus polish */
.timeline-item-content:hover,
.timeline-item-content:focus-within {
    transform: translateY(-6px);
    border-color: rgba(255,235,0,0.14);
    box-shadow: 0 24px 60px rgba(0,0,0,0.65);
    outline: none;
}

/* responsive: stack vertically under the line on small screens (no alternation) */
@media (max-width: 900px) {
    .timeline::before { left: 28px; transform: none; }
    .timeline-item {
        display: block;
        margin: 24px 0;
    }
    .timeline-item::after { left: 28px; transform: none; top: 12px; }
    .timeline-item-content {
        max-width: 100%;
        margin-left: 60px;
        margin-right: 20px;
        padding: 16px;
    }
    .timeline-item:nth-child(odd) .timeline-item-content,
    .timeline-item:nth-child(even) .timeline-item-content {
        margin-left: 60px;
        margin-right: 20px;
        text-align: left;
    }
}

/* accessibility */
.timeline-item-content:focus { box-shadow: 0 0 0 4px rgba(255,235,0,0.08); }

/* Skill tags / chips and compact progress styling */
.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    font-size: 0.85rem;
    border-radius: 999px;
    background: rgba(255,235,0,0.06);
    color: #fff;
    border: 1px solid rgba(255,235,0,0.06);
    transition: transform .18s ease, background .18s ease;
}

.skill-chip:hover {
    transform: translateY(-4px);
    background: rgba(255,235,0,0.15);
    color: #000;
}

.skill-item .progress {
    background: rgba(255,255,255,0.06);
    border-radius: 8px;
}

@media (max-width: 768px) {
    .timeline-item-content, .skill-chip { font-size: 0.92rem; }
    .skill-chip { padding: 6px 8px; }
}

/* Top-aligned big number for About (desktop: above paragraph) */
.about-intro-top {
    display: flex;
    flex-direction: column;
    align-items: center; /* center number above content */
    gap: 12px;
}
.about-intro-top .about-number {
    font-size: 170px;
    font-weight: 800;
    line-height: 1;
    color: #ffeb00;
    -webkit-font-smoothing: antialiased;
    text-align: center;
}
.about-intro-top .about-text { width: 100%; }

/* Small screens: keep a slightly smaller number and left-align content */
@media (max-width: 992px) {
    .about-intro-top { align-items: flex-start; }
    .about-intro-top .about-number {
        font-size: 40px;
        align-self: flex-start;
    }
}

/* ===== NAVBAR (Clean & Responsive) ===== */
.navbar {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    padding: 0.75rem 0 !important;
    transition: all 0.3s ease;
    background-color: #272727 !important;
}

.navbar-brand {
    font-size: 1.5rem;
    color: #ffeb00 !important;
    font-weight: 700;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    margin-right: 1.5rem !important;
    text-shadow: none;
}

.navbar-brand:hover {
    text-shadow: 0 0 20px rgba(255, 235, 0, 0.6);
}

.navbar-toggler {
    border: 1px solid rgba(255, 235, 0, 0.3);
    padding: 0.4rem 0.6rem;
    transition: all 0.3s ease;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.25rem rgba(255, 235, 0, 0.25);
    outline: none;
    border-color: rgba(255, 235, 0, 0.6);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 235, 0, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.nav-link {
    color: #ccc !important;
    transition: all 0.3s ease;
    position: relative;
    margin: 0 0.5rem;
    padding: 0.5rem 0 !important;
    font-weight: 500;
    font-size: 0.95rem;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #ffeb00;
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link:hover,
.nav-link.active {
    color: #ffeb00 !important;
}

/* ===== TABLET/MOBILE NAVBAR (Max 991px) ===== */
@media (max-width: 991px) {
    .navbar {
        padding: 0.6rem 0 !important;
    }

    .navbar-brand {
        font-size: 1.3rem;
        margin-right: 1rem !important;
    }

    .navbar-collapse {
        padding-top: 1rem;
        border-top: 1px solid rgba(255, 235, 0, 0.1);
        margin-top: 1rem;
        background: rgba(39, 39, 39, 0.98);
        border-radius: 0.5rem;
    }

    .navbar-nav {
        gap: 0;
    }

    .nav-item {
        margin: 0;
        padding: 0;
    }

    .nav-link {
        margin: 0 !important;
        padding: 0.75rem 1rem !important;
        font-size: 0.9rem;
        display: block;
        color: #ccc !important;
        border-left: 3px solid transparent;
    }

    .nav-link::after {
        display: none !important;
    }

    .nav-link:hover {
        color: #ffeb00 !important;
        background: rgba(255, 235, 0, 0.08);
        border-left-color: #ffeb00;
        padding-left: 1.5rem !important;
    }

    .nav-link.active {
        color: #ffeb00 !important;
        background: rgba(255, 235, 0, 0.1);
        border-left-color: #ffeb00;
        font-weight: 600;
    }
}

/* ===== SMALL PHONES (Max 576px) ===== */
@media (max-width: 576px) {
    .navbar-brand {
        font-size: 1.1rem;
        margin-right: 0.75rem !important;
    }

    .navbar {
        padding: 0.5rem 0 !important;
    }

    .nav-link {
        font-size: 0.85rem;
        padding: 0.6rem 1rem !important;
    }

    .navbar-collapse {
        padding-top: 0.75rem;
        margin-top: 0.75rem;
    }

    .nav-link:hover {
        padding-left: 1.25rem !important;
    }
}

/* Hero Section */
.hero-section {
    position: relative;
    background: linear-gradient(135deg, #272727 0%, #1a1a1a 100%);
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(255, 235, 0, 0.05), transparent);
    z-index: 1;
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.8; }
}

.z-3 {
    z-index: 3;
}

/* Profile Image Animation */
.rounded-circle {
    animation: float 3s ease-in-out infinite;
    box-shadow: 0 0 30px rgba(255, 235, 0, 0.3);
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Text Animations */
.animate-title {
    animation: fadeInUp 1s ease;
}

.animated-gradient {
    background: linear-gradient(90deg, #ffeb00, #ffc300);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

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

/* Sections */
section {
    position: relative;
    transition: all 0.3s ease;
}

/* Forms */
.form-control {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 235, 0, 0.2);
    color: #fff;
    padding: 12px 15px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: #ffeb00;
    box-shadow: 0 0 0 0.2rem rgba(255, 235, 0, 0.25);
    color: #fff;
    transform: translateY(-2px);
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.form-label {
    color: #fff;
    margin-bottom: 8px;
    font-weight: 600;
}

/* Buttons */
.btn-warning {
    background: #ffeb00;
    border: #ffeb00;
    color: #000;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-warning::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-warning:hover {
    background: #fff;
    border: #fff;
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255,235,0,0.3);
}

.btn-warning:hover::before {
    width: 300px;
    height: 300px;
}

.btn-outline-warning {
    color: #ffeb00;
    border-color: #ffeb00;
    transition: all 0.3s ease;
}

.btn-outline-warning:hover {
    background: #ffeb00;
    border-color: #ffeb00;
    color: #000;
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255,235,0,0.3);
}

/* Progress Bars */
.progress {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(90deg, #ffeb00, #ffc300);
    transition: width 0.6s ease;
}

/* Badges */
.badge {
    padding: 6px 12px;
    font-size: 0.85rem;
    transition: all 0.3s ease;
}

.badge:hover {
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(255, 235, 0, 0.3);
}

/* Cards */
.project-card {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 235, 0, 0.1), transparent);
    transition: left 0.5s ease;
    z-index: 1;
}

.project-card:hover::before {
    left: 100%;
}

.project-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    border-color: #ffeb00 !important;
}

.project-card:hover .project-image img {
    transform: scale(1.15) rotate(2deg);
}

.project-card .overlay {
    transition: opacity .28s ease;
    background: rgba(0,0,0,0.6);
}

.project-card:hover .overlay,
.project-card:focus-within .overlay { opacity: 1 !important; }

.resume-card {
    transition: all 0.3s ease;
    position: relative;
}

.resume-card:hover {
    transform: translateX(15px);
    background: rgba(255, 235, 0, 0.12) !important;
    box-shadow: 0 10px 30px rgba(255, 235, 0, 0.15);
}

.testimonial-card {
    transition: all 0.3s ease;
    position: relative;
}

.testimonial-card:hover {
    transform: translateY(-8px);
    background: rgba(255, 235, 0, 0.12) !important;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

/* Modal */
.modal-content {
    background: #272727;
    border: 1px solid rgba(255, 235, 0, 0.2);
}

.modal-header {
    border-color: rgba(255, 235, 0, 0.2);
    background: rgba(255, 235, 0, 0.05);
}

.btn-close-white {
    filter: brightness(0) invert(1);
}

/* Icon Links */
.icon-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: 10px;
    background: rgba(255, 235, 0, 0.06);
    transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease;
    border: 1px solid rgba(255,235,0,0.04);
}

.icon-link i {
    font-size: 1.05rem;
    line-height: 1;
    color: inherit;
}

.icon-link:hover {
    transform: translateY(-6px);
    background: #ffeb00;
    color: #000 !important;
    box-shadow: 0 12px 30px rgba(255,235,0,0.18);
}

.icon-link:focus {
    outline: 4px solid rgba(255,235,0,0.12);
    outline-offset: 2px;
}

/* small screens: reduce size */
@media (max-width: 576px) {
    .icon-link { width: 40px; height: 40px; border-radius: 8px; }
    .icon-link i { font-size: 0.95rem; }
}

/* Scroll Down Indicator */
.scroll-down {
    display: flex;
    justify-content: center;
    animation: fadeInUp 1s ease 1.5s both;
}

.scroll-down span {
    display: block;
    width: 20px;
    height: 20px;
    border: 2px solid #ffeb00;
    border-radius: 50%;
    animation: scroll-down 2s infinite;
}

@keyframes scroll-down {
    0% {
        transform: translateY(0);
        opacity: 1;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: translateY(10px);
        opacity: 0;
    }
}

/* ===== Education timeline ===== */
.education-timeline { border-left: 2px dashed rgba(255,235,0,0.08); padding-left: 18px; }
.timeline-item { position: relative; padding-left: 12px; }
.timeline-marker {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: linear-gradient(90deg,#ffeb00,#ffc300);
    box-shadow: 0 6px 20px rgba(255,235,0,0.12);
    flex: 0 0 14px;
}
.timeline-content h5 { margin-bottom: 6px; }
.timeline-content p { margin-bottom: 0; color: rgba(255,255,255,0.85); }

/* ===== Experience accordion tweaks ===== */
.accordion-button { background: rgba(0,0,0,0.15); border: none; color: #fff; }
.accordion-button:not(.collapsed) { background: rgba(255,235,0,0.06); color: #ffeb00; box-shadow: none; }
.accordion-body ul { padding-left: 18px; }
.accordion-body li { margin-bottom: 6px; }

/* ===== Certificates ===== */
.certificate-card {
    background: rgba(255,255,255,0.02);
    border-radius: 12px;
    border: 1px solid rgba(255,235,0,0.06);
    transition: transform .35s ease, box-shadow .35s ease;
}
.certificate-card img { max-height: 220px; object-fit: cover; border-radius: 8px; }
.certificate-card:hover { transform: translateY(-8px); box-shadow: 0 20px 40px rgba(0,0,0,0.45); }

/* ===== Experience roadmap (vertical) ===== */
.experience-roadmap {
    position: relative;
    padding-left: 18px;
}
.experience-roadmap::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, rgba(255,235,0,0.18), rgba(255,235,0,0.06));
    border-radius: 3px;
    box-shadow: 0 6px 18px rgba(255,235,0,0.03) inset;
}
.roadmap-item {
    position: relative;
    margin-bottom: 28px;
    padding-left: 22px;
}
.roadmap-marker {
    position: absolute;
    left: -2px;
    top: 4px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: linear-gradient(90deg,#ffeb00,#ffc300);
    box-shadow: 0 8px 24px rgba(255,235,0,0.12);
    border: 3px solid rgba(33,33,33,0.85);
}
.roadmap-body h5 { margin-bottom: 6px; }
.roadmap-body p, .roadmap-body ul { margin-bottom: 6px; color: rgba(255,255,255,0.9); }
.roadmap-body ul { padding-left: 18px; }

/* compact spacing on small screens */
@media (max-width: 768px) {
    .experience-roadmap::before { left: 8px; }
    .roadmap-item { padding-left: 16px; }
    .roadmap-marker { left: -6px; width: 12px; height: 12px; }
}

/* ===== Projects: ensure overlay works on mobile & desktop ===== */
.project-card .overlay {
    transition: opacity .28s ease;
    background: rgba(0,0,0,0.6);
}
.project-card:hover .overlay,
.project-card:focus-within .overlay { opacity: 1 !important; }

/* adjust project image height for small screens */
@media (max-width: 576px) {
    .project-image { height: 160px !important; }
    .project-image img { object-fit: cover; }
}

/* responsive: carousel images scale */
@media (max-width: 992px) {
    .certificate-card img { max-height: 180px; }
    .timeline-marker { width: 12px; height: 12px; }
}

/* small screens: show grid (fallback) and ensure spacing */
@media (max-width: 768px) {
    .education-timeline { padding-left: 0; border-left: none; }
    .timeline-item { padding-left: 0; margin-bottom: 18px; }
    .timeline-marker { display: none; }
    .certificate-card img { max-height: 160px; }
}

/* ensure accordion is fully responsive */
.accordion-button { padding: 1rem 1rem; font-size: 0.95rem; }
.accordion-body { font-size: 0.95rem; }

/* accessibility: focus styles */
.accordion-button:focus { box-shadow: 0 0 0 4px rgba(255,235,0,0.12); outline: none; }

/* Education timeline: horizontal (x-axis) with responsive vertical fallback */
.edu-timeline {
    position: relative;
    padding: 30px 0;
    overflow: hidden;
}

.edu-timeline .timeline-line {
    position: absolute;
    top: 50%;
    left: 40px;
    right: 40px;
    height: 4px;
    background: linear-gradient(90deg, rgba(255,235,0,0.14), rgba(255,235,0,0.06));
    transform: translateY(-50%);
    z-index: 0;
    border-radius: 4px;
}

.edu-timeline .timeline-items {
    position: relative;
    z-index: 2;
    gap: 20px;
    padding: 10px 40px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scroll-behavior: smooth;
}

.timeline-item {
    min-width: 300px;
    flex: 0 0 auto;
    position: relative;
    box-shadow: 0 8px 30px rgba(0,0,0,0.5);
    border: 1px solid rgba(255,235,0,0.05);
}

.timeline-item .timeline-marker {
    position: absolute;
    left: -28px;
    top: 18px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: linear-gradient(90deg,#ffeb00,#ffc300);
    box-shadow: 0 6px 20px rgba(255,235,0,0.12);
    border: 3px solid rgba(33,33,33,0.9);
}

.timeline-card h5 { font-size: 1.02rem; }
.timeline-card p { font-size: .9rem; line-height: 1.4; }

/* Desktop arrows hint */
.edu-timeline .timeline-items::after {
    content: '';
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: linear-gradient(90deg, rgba(39,39,39,0.0), rgba(39,39,39,0.85));
    pointer-events: none;
    border-radius: 20px;
}

/* Hover polish */
.timeline-item:hover { transform: translateY(-6px); transition: transform .28s ease; }

/* Responsive: stack vertical for small screens */
@media (max-width: 900px) {
    .edu-timeline .timeline-line {
        left: 20px;
        right: auto;
        width: 4px;
        height: calc(100% - 60px);
        top: 40px;
        transform: none;
    }
    .edu-timeline .timeline-items {
        display: flex;
        flex-direction: column;
        overflow-x: visible;
        padding: 10px 20px;
    }
    .timeline-item {
        min-width: auto;
        width: 100%;
        margin-bottom: 18px;
    }
    .timeline-item .timeline-marker {
        left: -10px;
        top: 14px;
    }
    .edu-timeline .timeline-items::after { display: none; }
}

/* Accessibility: focus visible */
.timeline-item:focus-within,
.timeline-item:focus {
    outline: 4px solid rgba(255,235,0,0.12);
    outline-offset: 6px;
}

/* small polish for scrollbar */
.timeline-items::-webkit-scrollbar { height: 8px; }
.timeline-items::-webkit-scrollbar-thumb { background: rgba(255,235,0,0.12); border-radius: 6px; }

/* Responsive */
@media (max-width: 768px) {
    .display-4 {
        font-size: 2rem;
    }

    .display-3 {
        font-size: 1.8rem;
    }

    .fs-5 {
        font-size: 1rem !important;
    }

    .hero-section {
        padding-top: 100px !important;
        padding-bottom: 40px !important;
    }

    section {
        padding-top: 60px !important;
        padding-bottom: 40px !important;
    }

    .rounded-circle {
        width: 140px !important;
        height: 140px !important;
    }

    .project-card:hover {
        transform: translateY(-8px);
    }

    .project-card:hover .project-image img {
        transform: scale(1.1) rotate(0deg);
    }

    .resume-card:hover {
        transform: translateX(8px);
    }

    .contact-form {
        padding: 20px !important;
    }

    .navbar-brand {
        font-size: 1.2rem;
    }

    .nav-link {
        margin: 0 5px;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .display-3 {
        font-size: 1.5rem;
    }

    .display-4 {
        font-size: 1.5rem;
    }

    .hero-section {
        min-height: 80vh;
    }

    .rounded-circle {
        width: 120px !important;
        height: 120px !important;
    }

    .btn {
        font-size: 0.9rem;
        padding: 8px 16px !important;
    }

    .nav-link::after {
        display: none;
    }
}

/* ===== Vertical Education Roadmap (no scroll) ===== */
.edu-timeline-vertical { width: 100%; padding: 10px 0 0 0; }
.timeline {
    position: relative;
    list-style: none;
    padding: 0;
    margin: 0;
    /* vertical central line */
}
.timeline::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, rgba(255,235,0,0.14), rgba(255,235,0,0.05));
    border-radius: 2px;
    z-index: 0;
    box-shadow: 0 6px 18px rgba(255,235,0,0.03) inset;
}

.timeline-item {
    position: relative;
    margin: 20px 0;
    z-index: 2;
    display: flex;
    justify-content: flex-end;
    width: 100%;
}

/* alternate sides on larger screens */
.timeline-item:nth-child(odd) .timeline-item-content {
    margin-right: 54%;
    text-align: left;
}
.timeline-item:nth-child(even) .timeline-item-content {
    margin-left: 54%;
    text-align: left;
}

/* content card */
.timeline-item-content {
    position: relative;
    padding: 18px 20px;
    background: rgba(39,39,39,0.85);
    border: 1px solid rgba(255,235,0,0.06);
    border-radius: 10px;
    max-width: 46%;
    box-shadow: 0 14px 40px rgba(0,0,0,0.55);
    transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
}

/* center markers */
.timeline-item::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 18px;
    transform: translateX(-50%);
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: linear-gradient(90deg,#ffeb00,#ffc300);
    border: 3px solid rgba(33,33,33,0.85);
    box-shadow: 0 8px 24px rgba(255,235,0,0.12);
}

/* small date label style */
.timeline-date {
    display: inline-block;
    color: #ccc;
    font-weight: 600;
    font-size: .85rem;
    margin-bottom: .5rem;
    opacity: .95;
}

/* hover/focus polish */
.timeline-item-content:hover,
.timeline-item-content:focus-within {
    transform: translateY(-6px);
    border-color: rgba(255,235,0,0.14);
    box-shadow: 0 24px 60px rgba(0,0,0,0.65);
    outline: none;
}

/* responsive: stack vertically under the line on small screens (no alternation) */
@media (max-width: 900px) {
    .timeline::before { left: 28px; transform: none; }
    .timeline-item {
        display: block;
        margin: 24px 0;
    }
    .timeline-item::after { left: 28px; transform: none; top: 12px; }
    .timeline-item-content {
        max-width: 100%;
        margin-left: 60px;
        margin-right: 20px;
        padding: 16px;
    }
    .timeline-item:nth-child(odd) .timeline-item-content,
    .timeline-item:nth-child(even) .timeline-item-content {
        margin-left: 60px;
        margin-right: 20px;
        text-align: left;
    }
}

/* accessibility */
.timeline-item-content:focus { box-shadow: 0 0 0 4px rgba(255,235,0,0.08); }

/* Skill tags / chips and compact progress styling */
.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    font-size: 0.85rem;
    border-radius: 999px;
    background: rgba(255,235,0,0.06);
    color: #fff;
    border: 1px solid rgba(255,235,0,0.06);
    transition: transform .18s ease, background .18s ease;
}

.skill-chip:hover {
    transform: translateY(-4px);
    background: rgba(255,235,0,0.15);
    color: #000;
}

.skill-item .progress {
    background: rgba(255,255,255,0.06);
    border-radius: 8px;
}

@media (max-width: 768px) {
    .timeline-item-content, .skill-chip { font-size: 0.92rem; }
    .skill-chip { padding: 6px 8px; }
}

/* Top-aligned big number for About (desktop: above paragraph) */
.about-intro-top {
    display: flex;
    flex-direction: column;
    align-items: center; /* center number above content */
    gap: 12px;
}
.about-intro-top .about-number {
    font-size: 170px;
    font-weight: 800;
    line-height: 1;
    color: #ffeb00;
    -webkit-font-smoothing: antialiased;
    text-align: center;
}
.about-intro-top .about-text { width: 100%; }

/* Small screens: keep a slightly smaller number and left-align content */
@media (max-width: 992px) {
    .about-intro-top { align-items: flex-start; }
    .about-intro-top .about-number {
        font-size: 40px;
        align-self: flex-start;
    }
}