/* ============================================
   CUSTOM CSS untuk Bootstrap 5 Website
   Portfolio Rafi Haikal Pratama
   ============================================ */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Fira+Code:wght@400;500;600&display=swap');

/* ============================================
   CSS VARIABLES (Custom Properties)
   ============================================ */
:root {
    /* Colors */
    --bg-color: #0a3d2a;
    --surface-color: #12543d;
    --border-color: #2a7e67;
    --primary-text: #f9fafb;
    --secondary-text: #b0e6db;
    --accent-color: #3dd9b8;
    --accent-color-2: #a8e63d;
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-code: 'Fira Code', monospace;
    
    /* Transitions */
    --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Shadows */
    --shadow-glow: 0 0 40px rgba(61, 217, 184, 0.15);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
    
    /* Sizes */
    --header-height: 72px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-color);
    color: var(--primary-text);
    line-height: 1.6;
    overflow-x: hidden;
    padding-top: var(--header-height);
}

::selection {
    background: var(--accent-color);
    color: var(--bg-color);
}

/* ============================================
   PARTICLES BACKGROUND ANIMATION
   ============================================ */
.particles-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, var(--accent-color) 0%, transparent 70%);
    opacity: 0.1;
    animation: float 20s infinite ease-in-out;
}

.particle:nth-child(1) { width: 300px; height: 300px; top: 10%; left: 10%; animation-delay: 0s; }
.particle:nth-child(2) { width: 200px; height: 200px; top: 60%; right: 10%; animation-delay: 4s; }
.particle:nth-child(3) { width: 250px; height: 250px; bottom: 10%; left: 50%; animation-delay: 8s; }
.particle:nth-child(4) { width: 180px; height: 180px; top: 40%; right: 30%; animation-delay: 12s; }
.particle:nth-child(5) { width: 220px; height: 220px; bottom: 30%; left: 20%; animation-delay: 16s; }

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

/* ============================================
   NAVBAR CUSTOM STYLES (Bootstrap Override)
   ============================================ */
.custom-navbar {
    background: rgba(10, 61, 42, 0.95) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(42, 126, 103, 0.3);
    transition: all 0.3s var(--transition-smooth);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    transition: transform 0.3s var(--transition-smooth);
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.logo-icon {
    padding: 0.5rem 0.75rem;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-color-2));
    border-radius: 8px;
    color: var(--bg-color);
    font-weight: 800;
}

.logo-text {
    background: linear-gradient(135deg, var(--primary-text), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-link {
    color: var(--secondary-text) !important;
    font-weight: 500;
    padding: 0.75rem 1.25rem !important;
    border-radius: 10px;
    transition: all 0.3s var(--transition-smooth);
}

.nav-link:hover {
    color: var(--accent-color) !important;
    background: rgba(61, 217, 184, 0.1);
}

.nav-link.active {
    color: var(--accent-color) !important;
    background: rgba(61, 217, 184, 0.15);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.gradient-text {
    background: linear-gradient(135deg, var(--primary-text) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-accent {
    color: var(--accent-color) !important;
}

.text-accent-2 {
    color: var(--accent-color-2) !important;
}

.text-secondary-custom {
    color: var(--secondary-text) !important;
}

.bg-accent {
    background-color: var(--accent-color) !important;
}

.bg-accent-2 {
    background-color: var(--accent-color-2) !important;
}

.bg-surface {
    background-color: var(--surface-color) !important;
}

.bg-dark-custom {
    background: linear-gradient(180deg, rgba(10, 61, 42, 0.5) 0%, var(--bg-color) 100%);
}

.border-accent {
    border-color: var(--border-color) !important;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero-section {
    position: relative;
    background: linear-gradient(135deg, rgba(10, 61, 42, 0.9) 0%, rgba(18, 84, 61, 0.8) 100%);
}

.hero-title {
    animation: fadeInUp 0.8s ease-out;
}

.hero-subtitle {
    color: var(--accent-color-2);
    font-weight: 600;
}

.hero-description strong {
    color: var(--accent-color);
}

/* Button Styles */
.btn-primary {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-color-2));
    border: none;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    transition: all 0.3s var(--transition-smooth);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(61, 217, 184, 0.4);
}

.btn-outline-light {
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    transition: all 0.3s var(--transition-smooth);
}

.btn-outline-light:hover {
    background: var(--accent-color);
    color: var(--bg-color);
    transform: translateY(-3px);
}

/* ============================================
   FEATURE/SERVICE CARDS
   ============================================ */
.feature-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color) !important;
    border-radius: 20px;
    transition: all 0.3s var(--transition-smooth);
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color) !important;
    box-shadow: var(--shadow-glow);
}

.feature-icon {
    transition: transform 0.3s var(--transition-smooth);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
}

/* ============================================
   CAROUSEL CUSTOM STYLES
   ============================================ */
.carousel-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    box-shadow: var(--shadow-card);
}

.carousel-indicators [data-bs-target] {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--accent-color);
}

.carousel-control-prev-icon,
.carousel-control-next-icon {
    filter: invert(1);
}

/* ============================================
   ABOUT PAGE STYLES
   ============================================ */
.about-section {
    padding-top: calc(var(--header-height) + 2rem);
}

.profile-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    box-shadow: var(--shadow-card);
}

.profile-img {
    border: 3px solid var(--border-color);
    border-radius: 20px;
    transition: transform 0.3s var(--transition-smooth);
}

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

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-color-2);
    border-radius: 50%;
    display: inline-block;
    animation: pulse 2s infinite;
}

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

.mission-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color) !important;
    border-radius: 16px;
    transition: all 0.3s var(--transition-smooth);
}

.mission-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color) !important;
}

/* ============================================
   ACCORDION CUSTOM STYLES
   ============================================ */
.accordion-item {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 12px !important;
    overflow: hidden;
    margin-bottom: 1rem;
}

.accordion-button {
    background-color: var(--surface-color) !important;
    color: var(--primary-text) !important;
    font-weight: 600;
    border: none !important;
    box-shadow: none !important;
}

.accordion-button:not(.collapsed) {
    background-color: var(--surface-color) !important;
    color: var(--accent-color) !important;
}

.accordion-button::after {
    filter: invert(1);
}

.accordion-body {
    background-color: var(--surface-color);
    color: var(--secondary-text);
}

/* ============================================
   SKILLS PROGRESS BARS
   ============================================ */
.progress {
    background-color: rgba(42, 126, 103, 0.3);
    border-radius: 10px;
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(90deg, var(--accent-color), var(--accent-color-2));
    transition: width 1s ease-in-out;
}

.bg-gradient-accent {
    background: linear-gradient(90deg, var(--accent-color), var(--accent-color-2)) !important;
}

/* ============================================
   PORTFOLIO PAGE STYLES
   ============================================ */
.portfolio-header {
    padding-top: calc(var(--header-height) + 2rem);
}

.nav-pills .nav-link {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    color: var(--secondary-text) !important;
    font-weight: 600;
    transition: all 0.3s var(--transition-smooth);
}

.nav-pills .nav-link:hover {
    background: rgba(61, 217, 184, 0.1);
    color: var(--accent-color) !important;
    border-color: var(--accent-color);
}

.nav-pills .nav-link.active {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-color-2)) !important;
    color: var(--bg-color) !important;
    border-color: var(--accent-color);
}

.portfolio-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color) !important;
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s var(--transition-smooth);
    cursor: pointer;
}

.portfolio-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color) !important;
    box-shadow: var(--shadow-glow);
}

.card-img-wrapper {
    position: relative;
    overflow: hidden;
    border-radius: 20px 20px 0 0;
}

.card-img-top {
    transition: transform 0.5s var(--transition-smooth);
    height: 250px;
    object-fit: cover;
}

.portfolio-card:hover .card-img-top {
    transform: scale(1.1);
}

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 61, 42, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s var(--transition-smooth);
    color: var(--accent-color);
}

.portfolio-card:hover .card-overlay {
    opacity: 1;
}

/* ============================================
   MODAL CUSTOM STYLES
   ============================================ */
.modal-content {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 20px;
}

.modal-header,
.modal-footer {
    border-color: var(--border-color);
}

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

/* ============================================
   CONTACT PAGE STYLES
   ============================================ */
.contact-header {
    padding-top: calc(var(--header-height) + 2rem);
}

.social-card-contact {
    background: var(--surface-color);
    border: 1px solid var(--border-color) !important;
    border-radius: 16px;
    transition: all 0.3s var(--transition-smooth);
}

.social-card-link:hover .social-card-contact {
    transform: translateY(-8px);
    border-color: var(--accent-color) !important;
    box-shadow: var(--shadow-glow);
}

.contact-form-card,
.contact-info-card,
.maps-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color) !important;
    border-radius: 20px;
    box-shadow: var(--shadow-card);
}

/* Form Control Styles */
.form-control,
.form-select {
    background-color: var(--bg-color);
    border: 2px solid var(--border-color);
    color: var(--primary-text);
    border-radius: 10px;
    padding: 0.75rem 1rem;
    transition: all 0.3s var(--transition-smooth);
}

.form-control:focus,
.form-select:focus {
    background-color: rgba(10, 61, 42, 0.5);
    border-color: var(--accent-color);
    color: var(--primary-text);
    box-shadow: 0 0 0 0.25rem rgba(61, 217, 184, 0.15);
}

.form-control::placeholder {
    color: rgba(176, 230, 219, 0.5);
}

.form-label {
    color: var(--secondary-text);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* Form Validation Styles */
.was-validated .form-control:valid,
.form-control.is-valid {
    border-color: var(--accent-color-2);
    background-image: none;
}

.was-validated .form-control:invalid,
.form-control.is-invalid {
    border-color: #dc3545;
    background-image: none;
}

.valid-feedback {
    color: var(--accent-color-2);
}

.invalid-feedback {
    color: #dc3545;
}

/* Form Check (Checkbox) */
.form-check-input {
    background-color: var(--bg-color);
    border-color: var(--border-color);
}

.form-check-input:checked {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}

.form-check-input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 0.25rem rgba(61, 217, 184, 0.15);
}

/* ============================================
   ALERTS
   ============================================ */
.alert {
    border-radius: 12px;
    border: 1px solid;
}

.alert-success {
    background-color: rgba(168, 230, 61, 0.1);
    border-color: var(--accent-color-2);
    color: var(--accent-color-2);
}

.alert-danger {
    background-color: rgba(220, 53, 69, 0.1);
    border-color: #dc3545;
    color: #ff6b6b;
}

/* ============================================
   FOOTER
   ============================================ */
.footer-section {
    background: var(--surface-color);
    border-top: 1px solid var(--border-color);
    margin-top: 5rem;
}

.footer-link {
    color: var(--secondary-text);
    text-decoration: none;
    transition: color 0.3s var(--transition-smooth);
}

.footer-link:hover {
    color: var(--accent-color);
}

.social-icon {
    width: 45px;
    height: 45px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
    text-decoration: none;
    transition: all 0.3s var(--transition-smooth);
}

.social-icon:hover {
    background: var(--accent-color);
    color: var(--bg-color);
    transform: translateY(-3px);
    border-color: var(--accent-color);
}

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

/* ============================================
   RESPONSIVE MEDIA QUERIES
   ============================================ */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: rgba(10, 61, 42, 0.98);
        padding: 1rem;
        border-radius: 10px;
        margin-top: 1rem;
        border: 1px solid var(--border-color);
    }
    
    .nav-link {
        margin-bottom: 0.5rem;
    }
}

@media (max-width: 767.98px) {
    .hero-title {
        font-size: 2.5rem !important;
    }
    
    .section-title {
        font-size: 2rem !important;
    }
    
    .feature-card {
        margin-bottom: 1rem;
    }
}

@media (max-width: 575.98px) {
    body {
        font-size: 14px;
    }
    
    .hero-title {
        font-size: 2rem !important;
    }
    
    .btn-lg {
        padding: 0.5rem 1rem;
        font-size: 1rem;
    }
}

/* ============================================
   SCROLLBAR CUSTOM STYLES
   ============================================ */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color-2);
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .navbar,
    .footer-section,
    .particles-bg {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
}