/**
 * ==================================================
 * XTROI STUDIO - CUSTOM STYLESHEET
 * ==================================================
 * File ini berisi styling custom yang melengkapi Tailwind CSS
 * untuk tampilan website yang lebih menarik dan profesional.
 */

/* ==================================================
   VARIABLES & BASE STYLES
   ================================================== */
:root {
    /* Warna utama - bisa diubah dari admin panel */
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    
    /* Warna tambahan */
    --dark: #1e1b4b;
    --light: #f8fafc;
    --gray: #64748b;
    
    /* Gradient */
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    --gradient-accent: linear-gradient(135deg, var(--secondary-color) 0%, var(--accent-color) 100%);
    
    /* Shadow */
    --shadow-soft: 0 4px 20px rgba(99, 102, 241, 0.15);
    --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 20px 60px rgba(0, 0, 0, 0.15);
    
    /* Transition */
    --transition-fast: all 0.3s ease;
    --transition-smooth: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #334155;
    overflow-x: hidden;
}

/* ==================================================
   TYPOGRAPHY
   ================================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark);
}

/* ==================================================
   HERO SECTION
   ================================================== */
.hero-section {
    min-height: 100vh;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(30, 27, 75, 0.9) 0%, rgba(99, 102, 241, 0.8) 100%);
    z-index: 1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    background: linear-gradient(135deg, #fff 0%, #e0e7ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
}

/* Floating shapes animation */
.floating-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    animation: float 20s infinite ease-in-out;
}

.floating-shape-1 {
    width: 300px;
    height: 300px;
    background: white;
    top: 10%;
    right: 10%;
    animation-delay: 0s;
}

.floating-shape-2 {
    width: 200px;
    height: 200px;
    background: var(--accent-color);
    bottom: 20%;
    left: 5%;
    animation-delay: -5s;
}

.floating-shape-3 {
    width: 150px;
    height: 150px;
    background: var(--secondary-color);
    top: 50%;
    right: 20%;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    33% {
        transform: translateY(-30px) rotate(120deg);
    }
    66% {
        transform: translateY(30px) rotate(240deg);
    }
}

/* ==================================================
   BUTTONS
   ================================================== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: var(--gradient-primary);
    color: white;
    font-weight: 600;
    border-radius: 50px;
    text-decoration: none;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-soft);
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: transparent;
    color: white;
    font-weight: 600;
    border-radius: 50px;
    text-decoration: none;
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: var(--transition-smooth);
    cursor: pointer;
}

.btn-secondary:hover {
    background: white;
    color: var(--primary-color);
    border-color: white;
}

.btn-wa {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    background: #25d366;
    color: white;
    font-weight: 600;
    border-radius: 50px;
    text-decoration: none;
    transition: var(--transition-fast);
}

.btn-wa:hover {
    background: #128c7e;
    transform: translateY(-2px);
}

/* ==================================================
   NAVIGATION
   ================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition-fast);
    padding: 1rem 0;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    padding: 0.75rem 0;
}

.navbar.scrolled .nav-link {
    color: var(--dark);
}

.navbar.scrolled .logo-text {
    color: var(--primary-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
    text-decoration: none;
    transition: var(--transition-fast);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-link {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition-fast);
}

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

.nav-link:hover {
    color: var(--primary-color);
}

/* Mobile menu */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

.navbar.scrolled .mobile-menu-btn {
    color: var(--dark);
}

/* ==================================================
   SECTIONS
   ================================================== */
.section {
    padding: 5rem 0;
}

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

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    color: var(--gray);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ==================================================
   CARDS
   ================================================== */
.card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: var(--transition-smooth);
    height: 100%;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.card-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/10;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

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

.card-body {
    padding: 1.5rem;
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.card-text {
    color: var(--gray);
    line-height: 1.6;
}

/* Service card specific */
.service-card {
    text-align: center;
    padding: 2.5rem 2rem;
    border: 1px solid #e2e8f0;
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.service-price {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px dashed #e2e8f0;
}

.price-normal {
    text-decoration: line-through;
    color: var(--gray);
    font-size: 0.9rem;
}

.price-discount {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* ==================================================
   PORTFOLIO GRID
   ================================================== */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.portfolio-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    aspect-ratio: 4/3;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(30, 27, 75, 0.9) 0%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.5rem;
    opacity: 0;
    transition: var(--transition-smooth);
}

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

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

.portfolio-title {
    color: white;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.portfolio-category {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
}

/* ==================================================
   TESTIMONIALS
   ================================================== */
.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-card);
    text-align: center;
}

.testimonial-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto 1rem;
    object-fit: cover;
    border: 4px solid var(--primary-color);
}

.testimonial-text {
    font-style: italic;
    color: var(--gray);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.testimonial-name {
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 0.25rem;
}

.testimonial-role {
    font-size: 0.875rem;
    color: var(--gray);
}

.testimonial-rating {
    margin-bottom: 1rem;
}

/* ==================================================
   CONTACT FORM
   ================================================== */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--dark);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 1rem;
    transition: var(--transition-fast);
    font-family: inherit;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

/* ==================================================
   FOOTER
   ================================================== */
.footer {
    background: var(--dark);
    color: white;
    padding: 4rem 0 2rem;
}

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

.footer-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: white;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: white;
    padding-left: 5px;
}

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

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition-fast);
}

.social-link:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* ==================================================
   ANIMATIONS
   ================================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* Stagger animation delays */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }

/* ==================================================
   UTILITY CLASSES
   ================================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient {
    background: var(--gradient-primary);
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--gradient-primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ==================================================
   RESPONSIVE DESIGN
   ================================================== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 1rem;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-link {
        color: var(--dark);
        padding: 0.75rem 1rem;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* ==================================================
   LOADING ANIMATION
   ================================================== */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

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

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

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

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