/* 🔝 Scroll-to-Top Button */
.scroll-top {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 0.75rem;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    display: none;
    z-index: 1001;
    transition: background-color 0.3s ease;
}

.scroll-top:hover {
    background-color: #1d4ed8;
}

/*=====================================================================
/* 🧭 Navbar
=====================================================================*/

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: var(--bg-color);
    background-color: #c3d8d8;
    color: var(--text-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

body.dark .navbar {
    background-color: var(--nav-bg);
}

.nav-logo {
    font-weight: bold;
    font-size: 1.5rem;
    color: var(--accent-color);
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    list-style: none;
}

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

.dark-toggle {
    background: none;
    border: none;
    font-size: 1.3rem;
    cursor: pointer;
    color: var(--accent-color);
    transition: transform 0.3s ease, color 0.3s ease;
}

.dark-toggle:hover {
    transform: rotate(20deg);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 60px;
        right: 2rem;
        background: var(--bg-color);
        padding: 1rem;
        box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    }

    .nav-links.show {
        display: flex;
    }

    .hamburger {
        display: block;
    }
}

/* =====================================================================
🏠 Hero Section
=====================================================================*/
.hero-full {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 2rem;
    background: var(--bg-color);
    background-size: 200% 200%;
    animation: gradientShift 15s ease infinite;
    position: relative;
    overflow: hidden;
}

body.dark .hero-full {
    background: linear-gradient(135deg, #0099ff, #424c5f);
    background-size: 200% 200%;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.hero-full::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.1);
    pointer-events: none;
}

.hero-full h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: bold;
    margin: 0.5rem 0;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s ease forwards 0.3s;
}

.hero-full h2 {
    font-size: clamp(1rem, 3vw, 1.5rem);

    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s ease forwards 0.1s;
}

.hero-full p {
    font-size: 1.1rem;
    color: #374151;
    margin-bottom: 1rem;
    font-weight: 500;
}

/* Typing text */
.typed-text {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    font-weight: 500;
    border-right: 2px solid var(--accent-color);
    white-space: nowrap;
    overflow: hidden;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.typed-text.visible {
    opacity: 1;
}

body.dark .typed-text {
    color: #f3f4f6;
}

/* Buttons */
.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 1rem;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.25rem;
    background: var(--accent-color);
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
    transition: transform 0.2s ease, background 0.3s ease;
}

.btn:hover {
    background: var(--accent-color-dark);
    transform: scale(1.05);
}

.btn.alt {
    background-color: #404040;
}

body.dark .btn.alt{
   background-color: #575757;
}

/* Social Icons */
.social-icons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 1.5rem;
}

.social-icons a {
    font-size: 1.5rem;
    color: var(--accent-color);
    opacity: 0;
    transform: translateY(20px);
    transition: color 0.3s ease, transform 0.3s ease;
}

.social-icons a:nth-child(1) {
    animation: fadeInUp 0.8s ease forwards 0.5s;
}

.social-icons a:nth-child(2) {
    animation: fadeInUp 0.8s ease forwards 0.7s;
}

.social-icons a:nth-child(3) {
    animation: fadeInUp 0.8s ease forwards 0.9s;
}

.social-icons a:nth-child(4) {
    animation: fadeInUp 0.8s ease forwards 1.1s;
}

.social-icons a:hover {
    color: var(--accent-color);
    transform: scale(1.2);
}

body.dark .social-icons a {
    color: #f3f4f6;
}

body.dark .social-icons a:hover {
    color: #93c5fd;
}

/* Scroll cue */
.scroll-cue {
    margin-top: 2rem;
    font-size: 1rem;
    color: var(--text-color);
    animation: bounce 2s infinite;
}

.scroll-cue i {
    display: block;
    font-size: 1.5rem;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(8px);
    }
}

/*=====================================================================
💡 About & education Section
=====================================================================*/
.about-education{
    padding: 3rem 2rem;
    background: transparent;
    color: var(--text-color);
    max-width: 1200px;
    margin: 0 auto;
    align-content: center;
    align-items: center;
    text-align: center;
}

.about-card {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    align-content: center;
    align-items: center;
    text-align: center;
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    align-content: center;
    align-items: center;
    text-align: center;
}

.education-card {
    background: var(--card-bg);
    padding: 1rem;
    border-radius: 6px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);

}


/*=====================================================================
📜 Certifications Grid
=====================================================================*/
.certifications-flip {
    padding-left: 10rem;
    padding-right: 10rem;
    max-width: 1200px;
    margin: 0 auto;
    border-radius: 12px;
}

.certifications-flip h2 {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    position: relative;
}
.certifications-flip h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;

    margin: 0.5rem auto 0;
    border-radius: 2px;
}

.flip-grid {
    margin-top: 2rem;
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(3, 1fr);
    justify-items: center;
}

.flip-card {
    width: 220px;
    height: 280px;
    perspective: 1000px;

}

.flip-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.8s;
    transform-style: preserve-3d;
}

.flip-card:hover .flip-inner {
    transform: rotateY(180deg);
}

.flip-front, .flip-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.flip-front {
    background: #e0f2fe;
}

body.dark .flip-front {
    background: var(--light-gray);
}

.flip-front img {
    width: 70px;
    margin-bottom: 1rem;
}

.flip-front h4 {
    font-size: 1rem;
    color: var(--accent-color);
    text-align: center;
    font-weight: 600;
}

.flip-back {
    color: #fff;
    transform: rotateY(180deg);
}

.cert-date {
    font-size: 0.9rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.cert-btn {
    display: inline-block;
    padding: 0.5rem 1rem;

    border-radius: 4px;
    text-decoration: none;
    transition: background 0.3s ease, color 0.3s ease;
}

/* Provider Themes */
.oracle-card .flip-back {
    background: #C74634; /* Oracle Red */
}

.oracle-card .cert-btn {
    background: #A33224;
    color: black;
}
.oracle-card .cert-btn:hover {
    background: #631e15;
    color: #fff;
}

.cisco-card .flip-back {
    background: #1BA0D7; /* Cisco Blue */
}

.cisco-card .cert-btn {
    background: #0E6A91;
    color: #fff;
}
.cisco-card .cert-btn:hover {
    background: #063749;
    color: #fff;
}

.fnb-card .flip-back {
    background: #009999; /* FNB  */
}

.fnb-card .cert-btn {
    background: #ff9c07;
    color: black;
}
.fnb-card .cert-btn:hover {
    background: #884f00;
    color: #fff;
}

@media (max-width: 1024px) {
    .flip-grid {
        grid-template-columns: repeat(2, 1fr); /* 2 per row on tablets */
    }
    .certifications-flip {
        padding-left: 4rem;
        padding-right: 4rem;
    }
}

@media (max-width: 600px) {
    .flip-grid {
        grid-template-columns: 1fr; /* 1 per row on mobile */
    }
}


/*=====================================================================
🧠 Skills Development
=====================================================================*/
.training-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    margin-top: 1rem;
}

.training-card {
    background-color: var(--card-bg);
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.training-card h3 {
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.training-card ul {
    padding-left: 1.2rem;
    margin: 0.5rem 0;
}

.training-card ul li {
    margin-bottom: 0.4rem;
    font-size: 0.9rem;
    color: var(--text-color);
    line-height: 1.5;
    text-align: left;
}

/*==========================================================
skills & tools
 ===========================================================*/
.skills-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    margin-top: 1rem;
    padding: 0 1rem;
}

.badge {
    background-color: var(--accent-color);
    color: #fff;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    white-space: nowrap;
    transition: transform 0.2s ease;
}

.badge:hover {
    transform: scale(1.05);
    background-color: #1d4ed8;
    cursor: pointer;
}
body.dark .badge {
    background-color: #3b82f6;
    color: #f3f4f6;
}


/*=====================================================================
🧩 Footer
 =====================================================================*/
.footer {
    text-align: center;
    padding: 1rem;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-size: 0.9rem;
    border-top: 1px solid #d1d5db;
}

/* Progress Bar */
#progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    background: var(--accent-color);
    width: 0;
    z-index: 1002;
    transition: width 0.25s ease;
}

/* 🔄 Spinner */
.spinner {
    margin-top: 1rem;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #0077cc;
    border-radius: 50%;
    width: 28px;
    height: 28px;
    animation: spin 1s linear infinite;
}

.btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-spinner {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #fff;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    animation: spin 1s linear infinite;
}

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

/*=====================================================================
🔹 Project Cards
=====================================================================*/
.filter-tabs{
    padding-top: 1rem;
}

.filter-tabs button{
   height: 2rem;
    width: auto;
    border-radius: 0.5rem;
    border: none;
    padding: 0.5rem;

}
.filter-tabs button:hover {
    cursor: pointer;
    background-color: #626267;
}


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

.project-card {
    background-color: var(--card-bg);
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    text-align: center;
}

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

.project-card h3 {
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
    color: var(--accent-color);
}

.project-card p {
    font-size: 0.95rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.projects-grid button {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}

.project-card img {
    width: 100%;
    height: 250px;
    border-radius: 8px;
    margin-bottom: 0.75rem;
    object-fit: cover;
}

/* Card Slider */
.card-slider {
    position: relative;
    width: 100%;
    height: 180px;
    overflow: hidden;
    border-radius: 6px;
    margin-bottom: 1rem;
}

.card-slider img {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 1s ease;
}

.card-slider img.active {
    opacity: 1;
}

/* 🔹 Modals */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1001;
    justify-content: center;
    align-items: center;
    overflow-y: auto;
    padding: 2rem;
    padding-top: 15rem;
}

.modal-content {
    margin-top: 1.5rem;
    font-size: 0.8rem;
    color: var(--accent-color);
    background: var(--bg-color);
    padding: 2rem;
    border-radius: 8px;
    max-width: 800px;
    width: 100%;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.5s ease forwards;
    text-align: center;
}

.modal-content h4 {
    margin-top: 1.5rem;
    font-size: 1.1rem;
    color: #007bff;
    border-bottom: 1px solid #eee;
    padding-bottom: 0.5rem;
}
.modal-content h3 {
    margin-top: 1.5rem;
    font-size: 1.3rem;
    color: #007bff;
    padding-bottom: 0.5rem;
}

.project-links {
    margin-top: 1.5rem;
    display: flex;
    justify-content: center;
}

.project-links .btn {
    background: #007bff;
    color: #fff;
    padding: 0.6rem 1.2rem;
    border-radius: 4px;
    text-decoration: none;
    transition: background 0.3s ease;
}

.project-links .btn:hover {
    background: #0056b3;
}

.modal.show {
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal .close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-color);
}

/*=====================================================================
🔹 Sliders inside modal
=====================================================================*/
.slider {
    position: relative;
    overflow: hidden;
    margin-bottom: 1rem;
}

.slides img {
    display: none;
    width: 100%;
    max-width: 450px;
    height: 300px;
    border-radius: 6px;
    object-fit: cover;
    margin: 0 auto;
}


.slides img.active {
    display: block;
}

.prev, .next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--accent-color);
    color: #fff;
    border: none;
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    font-size: 1.25rem;
    border-radius: 4px;
}

.prev {
    left: 10px;
}

.next {
    right: 10px;
}


/*=====================================================================
contact
=====================================================================*/
#contact {
    text-align: center;
    padding: 3rem 1rem;
}

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

.contact-form {

    max-width: 500px;
    margin: 0 auto 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 1rem;
}

.contact-form button {
    background: #0077cc;
    color: #fff;
    border: none;
    padding: 0.8rem;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.contact-form button:hover {
    background: #005fa3;
}

.cv-btn {
    margin-top: 1rem;
    display: inline-block;
}

.btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-spinner {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #fff;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    animation: spin 1s linear infinite;
}

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