/* PT Inxevio Karya Saintika - Main Stylesheet */

/* Color Variables */
:root {
    --primary: #1a1a1a;
    --secondary: #cdb085;
    --accent: #cdb085;
    --light-bg: #F8FAFC;
    --white: #FFFFFF;
    --gray-dark: #4A5568;
    --gray-light: #E2E8F0;
    --border: #DDD;
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.15);
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', sans-serif;
    line-height: 1.6;
    color: var(--gray-dark);
    background-color: var(--white);
}

a {
    color: var(--secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--accent);
}

/* Navbar */
.navbar {
    background: var(--white);
    color: var(--primary);
    padding: 0.25rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
    border-bottom: 1px solid var(--border);
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-logo {
    width: 150px;
    height: auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--white);
    margin: 0;
}

.tagline {
    font-size: 0.7rem;
    color: var(--accent);
    margin: 0;
    font-weight: 500;
}

.navbar-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--primary);
    font-weight: 500;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--secondary);
    border-bottom-color: var(--secondary);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    color: var(--white);
    padding: 100px 2rem;
    text-align: center;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.hero-slide.active {
    opacity: 1;
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 10;
}

.hero-controls {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    gap: 15px;
}

.hero-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--white);
    background: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
}

.hero-dot.active {
    background: var(--white);
    width: 14px;
    height: 14px;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    line-height: 1.8;
    opacity: 0.95;
}

.btn-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: var(--accent);
    color: var(--primary);
}

.btn-primary:hover {
    background: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background: transparent;
    color: var(--white);
    transform: translateY(-2px);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Section */
.section {
    padding: 60px 2rem;
}

.section:nth-child(even) {
    background: var(--light-bg);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--secondary);
    margin-bottom: 3rem;
    font-weight: 500;
}

/* Cards */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.card-grid-4col {
    grid-template-columns: repeat(4, 1fr);
}

.card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    padding: 2rem;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.card h3 {
    color: var(--primary);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.card p {
    color: var(--gray-dark);
    line-height: 1.8;
}

/* Service Card */
.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    border-left: 4px solid var(--secondary);
    box-shadow: var(--shadow);
}

.service-card h2 {
    color: var(--primary);
    margin-bottom: 1rem;
}

.scope-list {
    background: var(--light-bg);
    padding: 1.5rem;
    border-radius: 5px;
    margin: 1.5rem 0;
}

.scope-list h4 {
    color: var(--secondary);
    margin-bottom: 1rem;
}

.scope-list ul {
    list-style: none;
    padding-left: 0;
}

.scope-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.scope-list li:before {
    content: "✓";
    color: var(--accent);
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* Project Grid */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.project-card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.project-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 3rem;
}

.project-content {
    padding: 1.5rem;
}

.project-content h3 {
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.project-meta {
    font-size: 0.9rem;
    color: var(--secondary);
    margin-bottom: 1rem;
}

.project-desc {
    color: var(--gray-dark);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Form */
.form-group {
    margin-bottom: 1.5rem;
}

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

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(0, 168, 204, 0.1);
}

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

/* Alert */
.alert {
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 1rem;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Values Grid */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.value-item {
    text-align: center;
    padding: 2rem;
}

.value-item h3 {
    color: var(--secondary);
    margin-bottom: 1rem;
}

.value-item p {
    color: var(--gray-dark);
    line-height: 1.8;
}

/* Footer */
.footer {
    background: var(--primary);
    color: var(--white);
    padding: 3rem 2rem 1rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-column {
    padding: 0;
}

.footer-column p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.footer-column h3 {
    color: var(--accent);
    margin-bottom: 1rem;
    font-size: 1rem;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 0.5rem;
}

.footer-column a {
    color: var(--white);
    opacity: 0.9;
}

.footer-column a:hover {
    color: var(--accent);
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.8);
}

/* Loading */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--light-bg);
    border-radius: 50%;
    border-top-color: var(--secondary);
    animation: spin 0.8s linear infinite;
}

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

/* Responsive */
@media (max-width: 768px) {
    .navbar-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--white);
        padding: 1rem;
        gap: 0;
        border-top: 1px solid var(--border);
        box-shadow: var(--shadow);
    }

    .navbar-menu.active {
        display: flex;
    }

    .nav-link {
        padding: 0.75rem 0;
        border-bottom: none;
        color: var(--primary);
    }

    .hamburger {
        display: flex;
    }

    .hero {
        min-height: 400px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .hero-controls {
        bottom: 20px;
        gap: 10px;
    }

    .hero-dot {
        width: 10px;
        height: 10px;
    }

    .hero-dot.active {
        width: 12px;
        height: 12px;
    }

    .btn-group {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .section-title {
        font-size: 2rem;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }

    .card-grid-4col {
        grid-template-columns: repeat(2, 1fr);
    }

    .project-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }

    .footer-container {
        grid-template-columns: 1fr;
    }
}