/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-black) 0%, var(--color-dark-gray) 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.fade-out {
    opacity: 0;
    visibility: hidden;
}

.loading-content {
    text-align: center;
    margin-bottom: 2rem;
}

.loading-logo {
    margin-bottom: 2rem;
}

.loading-text {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: 3px;
    background: linear-gradient(90deg, var(--color-baby-pink), var(--color-baby-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: pulse 2s ease-in-out infinite;
}

.loading-spinner {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
}

.spinner-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid transparent;
    border-radius: 50%;
    animation: spin 1.5s linear infinite;
}

.spinner-ring:nth-child(1) {
    border-top: 3px solid var(--color-baby-blue);
    animation-delay: 0s;
}

.spinner-ring:nth-child(2) {
    border-right: 3px solid var(--color-baby-pink);
    animation-delay: 0.3s;
    width: 60px;
    height: 60px;
    top: 10px;
    left: 10px;
}

.spinner-ring:nth-child(3) {
    border-bottom: 3px solid var(--color-baby-blue);
    animation-delay: 0.6s;
    width: 40px;
    height: 40px;
    top: 20px;
    left: 20px;
}

.loading-message {
    color: var(--color-white);
    font-size: 1.1rem;
    margin: 0;
    opacity: 0.8;
    animation: fadeInOut 1.5s ease-in-out infinite;
}

.loading-progress {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    width: 300px;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
}

.progress-bar-loading {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--color-baby-pink), var(--color-baby-blue));
    border-radius: 2px;
    transition: width 1.8s ease-out;
    position: relative;
}

.progress-bar-loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    animation: shimmerLoading 1.5s infinite;
}

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

@keyframes pulse {
    0%, 100% { 
        transform: scale(1);
        opacity: 1;
    }
    50% { 
        transform: scale(1.05);
        opacity: 0.8;
    }
}

@keyframes fadeInOut {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

@keyframes shimmerLoading {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Light mode loading screen */
[data-theme="light"] .loading-screen {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
}

[data-theme="light"] .loading-message {
    color: #212529;
}

[data-theme="light"] .loading-progress {
    background: rgba(0, 0, 0, 0.1);
}

/* Mobile loading screen */
@media (max-width: 768px) {
    .loading-text {
        font-size: 2rem;
        letter-spacing: 2px;
    }
    
    .loading-spinner {
        width: 60px;
        height: 60px;
    }
    
    .spinner-ring:nth-child(2) {
        width: 45px;
        height: 45px;
        top: 7.5px;
        left: 7.5px;
    }
    
    .spinner-ring:nth-child(3) {
        width: 30px;
        height: 30px;
        top: 15px;
        left: 15px;
    }
    
    .loading-progress {
        width: 250px;
        bottom: 30px;
    }
    
    .loading-message {
        font-size: 1rem;
    }
}

:root {
    --color-black: #000000;
    --color-dark-gray: #1a1a1a;
    --color-baby-blue: #89CFF0;
    --color-baby-pink: #FFC0CB;
    --color-white: #ffffff;
}

/* Light mode variables */
[data-theme="light"] {
    --color-black: #ffffff;
    --color-dark-gray: #f8f9fa;
    --color-white: #212529;
    /* Baby blue en baby pink blijven behouden */
    --color-baby-blue: #89CFF0;
    --color-baby-pink: #FFC0CB;
}

*, *::before, *::after { 
    box-sizing: border-box; 
}

body {
    font-family: 'Nunito', sans-serif;
    overflow-x: hidden;
    background-color: var(--color-black);
    color: var(--color-white);
    scroll-behavior: smooth;
    line-height: 1.6;
    max-width: 100%;
}

html {
    overflow-x: hidden;
    max-width: 100%;
}

/* Navbar */
.navbar { 
    background-color: rgba(0,0,0,0.95); 
    padding: 1rem 2rem; 
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.navbar-scrolled {
    background-color: var(--color-black);
    box-shadow: 0 2px 20px rgba(137, 207, 240, 0.1);
}

.navbar-brand { 
    font-size: 1.8rem; 
    font-weight: 800;
    letter-spacing: 2px; 
    background: linear-gradient(90deg, var(--color-baby-pink), var(--color-baby-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-toggler {
    border: none;
    padding: 0.5rem;
    background: rgba(137, 207, 240, 0.1);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem rgba(137, 207, 240, 0.5);
}

.navbar-toggler:hover {
    background: rgba(137, 207, 240, 0.2);
}

.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='%2389CFF0' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='m4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    width: 1.5em;
    height: 1.5em;
}

.nav-link { 
    color: var(--color-baby-blue) !important; 
    font-weight: 600; 
    transition: all 0.3s;
    position: relative;
    margin: 0 0.5rem;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 50%;
    background: var(--color-baby-pink);
    transition: all 0.3s;
    transform: translateX(-50%);
}

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

.nav-link:hover { 
    color: var(--color-baby-pink) !important; 
    transform: translateY(-2px);
}

/* Theme toggle button */
.theme-toggle {
    background: rgba(137, 207, 240, 0.1);
    border: 1px solid rgba(137, 207, 240, 0.3);
    border-radius: 50px;
    width: 60px;
    height: 32px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    overflow: hidden;
}

.theme-toggle:hover {
    background: rgba(137, 207, 240, 0.2);
    border-color: var(--color-baby-blue);
}

.theme-toggle i {
    font-size: 14px;
    transition: all 0.3s ease;
}

.sun-icon {
    color: #FDB813;
    opacity: 0;
    transform: translateX(20px);
}

.moon-icon {
    color: var(--color-baby-blue);
    opacity: 1;
    transform: translateX(0);
}

[data-theme="light"] .sun-icon {
    opacity: 1;
    transform: translateX(0);
}

[data-theme="light"] .moon-icon {
    opacity: 0;
    transform: translateX(-20px);
}

/* Light mode specific styles */
[data-theme="light"] body {
    background-color: #ffffff;
    color: #212529;
}

[data-theme="light"] .navbar {
    background-color: rgba(255,255,255,0.95);
}

[data-theme="light"] .navbar-scrolled {
    background-color: #ffffff;
    box-shadow: 0 2px 20px rgba(137, 207, 240, 0.15);
}

[data-theme="light"] .hero::before {
    opacity: 0.3;
}

[data-theme="light"] .hero-overlay {
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 50%, rgba(255,255,255,0.2) 100%);
}

[data-theme="light"] .hero h1,
[data-theme="light"] .hero p {
    color: #ffffff;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.3);
}

[data-theme="light"] .scroll-down i {
    color: #ffffff;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

[data-theme="light"] .about {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
}

[data-theme="light"] .about-card,
[data-theme="light"] .skill-item,
[data-theme="light"] .portfolio-item,
[data-theme="light"] .contact-form,
[data-theme="light"] .contact-info {
    background: rgba(0, 0, 0, 0.03);
    border-color: rgba(137, 207, 240, 0.2);
}

[data-theme="light"] .about-card:hover {
    border-color: var(--color-baby-blue);
    background: rgba(137, 207, 240, 0.08);
    box-shadow: 0 20px 40px rgba(137, 207, 240, 0.15);
}

[data-theme="light"] .skill-item:hover {
    background: rgba(137, 207, 240, 0.1);
    border-color: var(--color-baby-blue);
    box-shadow: 0 15px 35px rgba(137, 207, 240, 0.2);
}

[data-theme="light"] .portfolio-item {
    border-color: rgba(255, 192, 203, 0.2);
}

[data-theme="light"] .portfolio-item:hover {
    border-color: var(--color-baby-pink);
    box-shadow: 0 25px 50px rgba(255, 192, 203, 0.25);
}

[data-theme="light"] .form-control {
    background: rgba(0, 0, 0, 0.04);
    border-color: rgba(137, 207, 240, 0.3);
    color: #212529;
}

[data-theme="light"] .form-control:focus {
    background: rgba(137, 207, 240, 0.05);
    border-color: var(--color-baby-blue);
    box-shadow: 0 0 20px rgba(137, 207, 240, 0.3);
    color: #212529;
}

[data-theme="light"] .form-control::placeholder {
    color: rgba(33, 37, 41, 0.6);
}

[data-theme="light"] .progress-bar-custom {
    background: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] footer {
    background: #f8f9fa;
    border-top-color: rgba(137, 207, 240, 0.2);
}

[data-theme="light"] .social-link {
    background: rgba(137, 207, 240, 0.15);
    color: var(--color-baby-blue);
}

[data-theme="light"] .social-link:hover {
    background: linear-gradient(45deg, var(--color-baby-pink), var(--color-baby-blue));
    color: #ffffff;
}

[data-theme="light"] .portfolio {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
}

[data-theme="light"] .contact {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

[data-theme="light"] .contact-info {
    border-color: rgba(255, 192, 203, 0.3);
}

[data-theme="light"] .particle {
    background: rgba(137, 207, 240, 0.8);
    box-shadow: 0 0 15px rgba(137, 207, 240, 0.5),
                0 0 30px rgba(255, 192, 203, 0.3);
}

[data-theme="light"] .navbar-toggler {
    background: rgba(137, 207, 240, 0.15);
}

[data-theme="light"] .navbar-toggler:hover {
    background: rgba(137, 207, 240, 0.25);
}

[data-theme="light"] ::-webkit-scrollbar-track {
    background: #f8f9fa;
}

[data-theme="light"] .btn-gradient {
    box-shadow: 0 4px 15px rgba(137, 207, 240, 0.3);
}

[data-theme="light"] .btn-gradient:hover {
    box-shadow: 0 15px 30px rgba(255, 192, 203, 0.4);
}

/* Badge colors adjustment for light mode */
[data-theme="light"] .badge {
    opacity: 0.9;
}

/* Mobile navbar styling */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: rgba(0,0,0,0.95);
        border-radius: 15px;
        margin-top: 1rem;
        padding: 1.5rem;
        border: 1px solid rgba(137, 207, 240, 0.2);
        backdrop-filter: blur(10px);
    }
    
    .nav-link {
        margin: 0.5rem 0;
        padding: 0.8rem 1rem;
        border-radius: 10px;
        transition: all 0.3s ease;
    }
    
    .nav-link:hover {
        background: rgba(137, 207, 240, 0.1);
        transform: translateX(10px);
    }
    
    .nav-link::after {
        display: none;
    }
    
    .navbar-brand {
        font-size: 1.5rem;
    }
    
    .navbar {
        padding: 0.8rem 1.5rem;
    }
}

/* Hero Section - Subtiel en elegant */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    margin-bottom: 0;
    background-color: var(--color-black);
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, 
        var(--color-baby-blue) 0%, 
        var(--color-baby-pink) 100%);
    opacity: 0.8;
    z-index: 1;
}

.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 30% 40%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 60%, rgba(255, 255, 255, 0.08) 0%, transparent 50%),
        linear-gradient(45deg, transparent 40%, rgba(255, 255, 255, 0.05) 50%, transparent 60%);
    animation: subtleMove 8s ease-in-out infinite;
    z-index: 2;
}

@keyframes subtleMove {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.6;
    }
    50% {
        transform: translateY(-10px) rotate(2deg);
        opacity: 0.8;
    }
}

.hero-overlay { 
    position: absolute; 
    inset: 0; 
    background: 
        linear-gradient(135deg, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.1) 50%, rgba(0,0,0,0.4) 100%);
    z-index: 3;
}

/* Subtiele zwevende elementen */
.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    animation: gentleFloat 15s infinite linear;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.particle:nth-child(1) {
    width: 10px;
    height: 10px;
    left: 10%;
    animation-delay: 0s;
    animation-duration: 12s;
}

.particle:nth-child(2) {
    width: 6px;
    height: 6px;
    left: 20%;
    animation-delay: 2s;
    animation-duration: 15s;
}

.particle:nth-child(3) {
    width: 12px;
    height: 12px;
    left: 30%;
    animation-delay: 4s;
    animation-duration: 10s;
}

.particle:nth-child(4) {
    width: 8px;
    height: 8px;
    left: 40%;
    animation-delay: 1s;
    animation-duration: 13s;
}

.particle:nth-child(5) {
    width: 14px;
    height: 14px;
    left: 50%;
    animation-delay: 6s;
    animation-duration: 11s;
}

.particle:nth-child(6) {
    width: 7px;
    height: 7px;
    left: 60%;
    animation-delay: 3s;
    animation-duration: 14s;
}

.particle:nth-child(7) {
    width: 10px;
    height: 10px;
    left: 70%;
    animation-delay: 5s;
    animation-duration: 12s;
}

.particle:nth-child(8) {
    width: 5px;
    height: 5px;
    left: 80%;
    animation-delay: 7s;
    animation-duration: 16s;
}

.particle:nth-child(9) {
    width: 11px;
    height: 11px;
    left: 90%;
    animation-delay: 2.5s;
    animation-duration: 13s;
}

.particle:nth-child(10) {
    width: 9px;
    height: 9px;
    left: 15%;
    animation-delay: 8s;
    animation-duration: 15s;
}

.particle:nth-child(11) {
    width: 6px;
    height: 6px;
    left: 25%;
    animation-delay: 9s;
    animation-duration: 11s;
}

.particle:nth-child(12) {
    width: 13px;
    height: 13px;
    left: 45%;
    animation-delay: 3.5s;
    animation-duration: 14s;
}

.particle:nth-child(13) {
    width: 8px;
    height: 8px;
    left: 65%;
    animation-delay: 10s;
    animation-duration: 12s;
}

.particle:nth-child(14) {
    width: 10px;
    height: 10px;
    left: 85%;
    animation-delay: 4.5s;
    animation-duration: 13s;
}

.particle:nth-child(15) {
    width: 7px;
    height: 7px;
    left: 55%;
    animation-delay: 11s;
    animation-duration: 15s;
}

@keyframes gentleFloat {
    0% {
        opacity: 0;
        transform: translateY(100vh) scale(0);
    }
    20% {
        opacity: 0.6;
        transform: translateY(80vh) scale(1);
    }
    80% {
        opacity: 0.6;
        transform: translateY(20vh) scale(1);
    }
    100% {
        opacity: 0;
        transform: translateY(0vh) scale(0);
    }
}

.hero-content { 
    position: relative; 
    z-index: 4; 
    animation: fadeInUp 1.2s ease-out;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    margin-bottom: 1.5rem;
    font-weight: 800;
    text-shadow: 2px 2px 10px rgba(0,0,0,0.5);
    color: var(--color-white);
}

.hero .highlight {
    background: linear-gradient(90deg, var(--color-baby-pink), var(--color-baby-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    font-weight: 900;
    display: inline-block;
}

.hero p { 
    font-size: clamp(1.1rem, 3vw, 1.4rem); 
    margin-bottom: 2.5rem; 
    opacity: 0.95;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn-gradient {
    background: linear-gradient(45deg, var(--color-baby-pink), var(--color-baby-blue));
    border: none;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-white);
    text-decoration: none;
    display: inline-block;
}

.btn-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.btn-gradient:hover::before {
    left: 100%;
}

.btn-gradient:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 30px rgba(137, 207, 240, 0.4);
    color: var(--color-white);
    text-decoration: none;
}

/* Scroll indicator */
.scroll-down { 
    position: absolute; 
    bottom: 2rem; 
    left: 50%; 
    transform: translateX(-50%); 
    animation: bounce 2s infinite;
    cursor: pointer;
    z-index: 4;
}

.scroll-down i { 
    font-size: 2rem; 
    color: var(--color-white);
    opacity: 0.8;
}

@keyframes bounce { 
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-15px); }
}

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

/* Section Headings */
.section { 
    padding: 5rem 0; 
    position: relative;
    overflow-x: hidden;
}

.section-heading {
    text-align: center;
    margin-bottom: 4rem;
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    position: relative;
}

.section-heading.blue {
    color: var(--color-baby-blue);
}

.section-heading.pink {
    color: var(--color-baby-pink);
}

.section-heading::after {
    content: '';
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-baby-pink), var(--color-baby-blue));
    display: block;
    margin: 1.5rem auto 0;
    border-radius: 2px;
}

/* About Section */
.about { 
    background: linear-gradient(135deg, var(--color-black) 0%, var(--color-dark-gray) 100%);
    padding-top: 5rem;
    margin-top: 0;
    position: relative;
    z-index: 10;
}

.about .row.align-items-center {
    align-items: stretch;
}

.about-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(137, 207, 240, 0.1);
    transition: all 0.3s;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(137, 207, 240, 0.1);
    border-color: rgba(137, 207, 240, 0.3);
}

.about-img { 
    border-radius: 20px; 
    overflow: hidden; 
    transition: all 0.5s;
    position: relative;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    height: 100%;
}

.about-img::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, var(--color-baby-blue), var(--color-baby-pink));
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 1;
    mix-blend-mode: overlay;
}

.about-img:hover::before {
    opacity: 0.2;
}

.about-img img { 
    width: 100%; 
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.about-img:hover { 
    transform: scale(1.05);
}

.about-img:hover img {
    transform: scale(1.1);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.skill-item {
    text-align: center;
    padding: 2rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    transition: all 0.3s;
    border: 1px solid rgba(137, 207, 240, 0.1);
}

.skill-item:hover {
    transform: translateY(-5px);
    background: rgba(137, 207, 240, 0.1);
    border-color: var(--color-baby-blue);
    box-shadow: 0 15px 35px rgba(137, 207, 240, 0.2);
}

.skill-item i {
    font-size: 3rem;
    background: linear-gradient(45deg, var(--color-baby-pink), var(--color-baby-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

/* Progress bars */
.skills-progress {
    margin-top: 2rem;
}

.progress-bar-custom {
    height: 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-baby-pink), var(--color-baby-blue));
    border-radius: 50px;
    width: 0%;
    transition: width 2s ease-in-out;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.progress-item span {
    color: var(--color-white);
    font-size: 0.9rem;
}

/* Typing cursor effect */
#hero-title::after {
    content: '|';
    color: var(--color-baby-blue);
    animation: blink 1s infinite;
    font-weight: normal;
}

#hero-title.typing-complete::after {
    display: none;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* Portfolio Section */
.portfolio {
    background: linear-gradient(135deg, var(--color-black) 0%, var(--color-dark-gray) 100%);
    position: relative;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.portfolio-item {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s;
    border: 1px solid rgba(255, 192, 203, 0.1);
    position: relative;
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(255, 192, 203, 0.2);
    border-color: var(--color-baby-pink);
}

.portfolio-img {
    height: 250px;
    background: linear-gradient(45deg, var(--color-baby-blue), var(--color-baby-pink));
    position: relative;
    overflow: hidden;
}

.portfolio-img::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.3);
    transition: opacity 0.3s;
}

.portfolio-item:hover .portfolio-img::before {
    opacity: 0;
}

.portfolio-content {
    padding: 2rem;
}

.portfolio-content h4 {
    color: var(--color-baby-blue);
    margin-bottom: 1rem;
    font-weight: 700;
}

/* Contact Section */
.contact {
    background: linear-gradient(135deg, var(--color-dark-gray) 0%, var(--color-black) 100%);
    overflow-x: hidden;
}

.contact .container-fluid {
    max-width: 1400px;
    padding-left: 15px;
    padding-right: 15px;
}

.contact-form {
    background: rgba(255, 255, 255, 0.05);
    padding: 3rem;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(137, 207, 240, 0.2);
    display: flex;
    flex-direction: column;
}

.contact-form form {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.form-control {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(137, 207, 240, 0.3);
    color: var(--color-white);
    border-radius: 10px;
    padding: 1rem;
    transition: all 0.3s;
}

.form-control:focus {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-baby-blue);
    box-shadow: 0 0 20px rgba(137, 207, 240, 0.3);
    color: var(--color-white);
}

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

.contact-info {
    background: rgba(255, 255, 255, 0.05);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 192, 203, 0.2);
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 2rem;
}

.contact-item i {
    font-size: 1.5rem;
    background: linear-gradient(45deg, var(--color-baby-pink), var(--color-baby-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-right: 1rem;
    width: 30px;
}

/* Footer */
footer { 
    background: var(--color-black); 
    color: var(--color-white); 
    padding: 3rem 0 2rem; 
    border-top: 1px solid rgba(137, 207, 240, 0.1);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-baby-blue);
    border-radius: 50%;
    transition: all 0.3s;
    text-decoration: none;
}

.social-link:hover {
    background: linear-gradient(45deg, var(--color-baby-pink), var(--color-baby-blue));
    color: var(--color-white);
    transform: translateY(-5px) scale(1.1);
}

/* Responsive - Verbeterde mobiele weergave */
@media (max-width: 768px) {
    .container-fluid {
        padding-left: 15px !important;
        padding-right: 15px !important;
    }
    
    .row {
        margin-left: 0;
        margin-right: 0;
    }
    
    [class*="col-"] {
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .hero h1 { 
        font-size: 2.2rem; 
        line-height: 1.2;
    }
    .hero p { 
        font-size: 1rem; 
        padding: 0 1rem;
    }
    .section { 
        padding: 3rem 0; 
    }
    .portfolio-grid { 
        grid-template-columns: 1fr; 
        gap: 1.5rem;
        padding: 0 15px;
    }
    .skills-grid { 
        grid-template-columns: 1fr; 
        gap: 1.5rem;
        padding: 0 15px;
    }
    .contact-form, .contact-info { 
        padding: 2rem; 
        margin-bottom: 2rem;
    }
    .btn-gradient {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
    .section-heading {
        font-size: 2.2rem;
        margin-bottom: 2.5rem;
    }
    .about-img img {
        height: 350px;
    }
    .hero-content {
        padding: 0 1rem;
    }
    .portfolio-item {
        margin-bottom: 1rem;
    }
    .skill-item {
        padding: 1.5rem 1rem;
    }
    
    /* Prevent horizontal scroll on mobile */
    .about-card {
        margin: 0;
    }
    
    .progress-bar-custom {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    .hero p {
        font-size: 0.95rem;
    }
    .contact-form, .contact-info {
        padding: 1.5rem;
    }
    .about-card {
        padding: 1.5rem;
    }
    .section-heading {
        font-size: 1.8rem;
    }
}

/* Scroll to top button */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, var(--color-baby-pink), var(--color-baby-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 5px 20px rgba(137, 207, 240, 0.3);
}

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 192, 203, 0.4);
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top i {
    color: var(--color-white);
    font-size: 1.3rem;
}

@media (max-width: 768px) {
    .scroll-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

/* Ripple effect for buttons */
.btn-gradient {
    position: relative;
    overflow: hidden;
}

.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    transform: scale(0);
    animation: ripple-animation 0.6s linear;
    pointer-events: none;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Loading state */
body:not(.loaded) {
    overflow: hidden;
}

body:not(.loaded)::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-black);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Enhanced hover effects */
.skill-item:hover {
    box-shadow: 0 15px 35px rgba(137, 207, 240, 0.2);
}

.about-card:hover {
    box-shadow: 0 25px 50px rgba(137, 207, 240, 0.15);
}

/* Smooth transitions for all interactive elements */
* {
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-black);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--color-baby-blue), var(--color-baby-pink));
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--color-baby-pink), var(--color-baby-blue));
}