/* style.css */

/* CSS Variables */
:root {
    /* Color Palette */
    --color-primary: #4caf50;
    --color-primary-dark: #45a049;
    --color-secondary: #f5f5f5;
    --color-neutral-light: #ffffff;
    --color-neutral-dark: #333333;
    --color-accent: #ff9800;
    --color-text: #333333;
    --color-background: #f9f9f9;
    --color-hover: rgba(76, 175, 80, 0.1);
    
    /* Fonts */
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'DM Sans', sans-serif;
    
    /* Spacing */
    --spacing-small: 8px;
    --spacing-medium: 16px;
    --spacing-large: 24px;
    
    /* Border Radius */
    --border-radius: 8px;
    
    /* Transition */
    --transition-speed: 0.3s;
    
    /* Shadows */
    --shadow-light: rgba(0, 0, 0, 0.1);
    
    /* Gradients */
    --gradient-bg: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
}

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

body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-background);
    line-height: 1.6;
    cursor: url('image/cursor.png'), auto;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    margin: 0 0 var(--spacing-medium) 0;
    color: var(--color-neutral-dark);
    text-align: center;
}

p {
    margin: 0 0 var(--spacing-medium) 0;
    color: var(--color-neutral-dark);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-speed);
}

a:hover {
    color: var(--color-primary-dark);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-large) 0;
}

/* Header Styles */
header {
    background-color: var(--color-neutral-light);
    box-shadow: 0 2px 4px var(--shadow-light);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-medium) 0;
}

.logo a {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--color-neutral-dark);
}

nav {
    display: flex;
    align-items: center;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: var(--spacing-medium);
}

.nav-links li a {
    padding: var(--spacing-small) var(--spacing-medium);
    border-radius: var(--border-radius);
    transition: background-color var(--transition-speed);
}

.nav-links li a:hover {
    background-color: var(--color-hover);
}

.burger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.burger div {
    width: 25px;
    height: 3px;
    background-color: var(--color-neutral-dark);
    margin: 4px 0;
    transition: all var(--transition-speed);
}

/* Hero Section */
.hero-section {
    background: url('image/hero.jpg') center center/cover no-repeat fixed;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 80px; /* Offset for fixed header */
}

.hero-content {
    background: rgba(255, 255, 255, 0.85);
    padding: var(--spacing-large);
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: 0 4px 6px var(--shadow-light);
    animation: fadeIn 1s ease-out;
}

.hero-content h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-medium);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-large);
}

.hero-content .btn {
    background-color: var(--color-primary);
    color: var(--color-neutral-light);
    padding: 12px 24px;
    border: none;
    border-radius: 25px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color var(--transition-speed), transform var(--transition-speed);
}

.hero-content .btn:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
}

/* Sections */
section {
    padding: var(--spacing-large) 0;
}

.services-section, .case-studies-section, .clientele-section, .media-section, .external-links-section {
    background-color: var(--color-neutral-light);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px var(--shadow-light);
    margin-bottom: var(--spacing-large);
}

.services-grid, .case-studies-grid, .client-logos, .media-releases, .links-grid {
    display: grid;
    gap: var(--spacing-medium);
}

/* Services Section */
.services-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.service-item {
    background: var(--color-secondary);
    padding: var(--spacing-medium);
    border-radius: var(--border-radius);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.service-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 10px var(--shadow-light);
}

.service-item img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-medium);
}

.service-item h3 {
    margin-bottom: var(--spacing-small);
}

.service-item p {
    font-size: 0.95rem;
    color: var(--color-neutral-dark);
}

/* Research Section */
.research-section p {
    max-width: 800px;
    margin: 0 auto var(--spacing-medium) auto;
    text-align: center;
}

.research-section img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    margin-top: var(--spacing-medium);
}

/* Innovation Section */
.innovation-section p {
    max-width: 800px;
    margin: 0 auto var(--spacing-medium) auto;
    text-align: center;
}

.innovation-section img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    margin-top: var(--spacing-medium);
}

/* Case Studies Section */
.case-studies-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.case-study {
    background: var(--color-secondary);
    padding: var(--spacing-medium);
    border-radius: var(--border-radius);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.case-study:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 10px var(--shadow-light);
}

.case-study h3 {
    margin-bottom: var(--spacing-small);
}

.case-study p {
    font-size: 0.95rem;
    color: var(--color-neutral-dark);
}

.case-study .btn {
    background-color: var(--color-accent);
    color: var(--color-neutral-light);
    padding: 8px 16px;
    border: none;
    border-radius: 20px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background-color var(--transition-speed), transform var(--transition-speed);
}

.case-study .btn:hover {
    background-color: darkorange;
    transform: translateY(-2px);
}

/* Clientele Section */
.clientele-section .client-logos {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    justify-items: center;
}

.clientele-section img {
    width: 150px;
    height: 100px;
    object-fit: contain;
    margin: var(--spacing-medium) 0;
    transition: transform var(--transition-speed);
}

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

/* Media Section */
.media-releases {
    grid-template-columns: 1fr;
}

.media-item {
    background: var(--color-secondary);
    padding: var(--spacing-medium);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-medium);
    transition: background-color var(--transition-speed);
}

.media-item a h3 {
    margin-bottom: var(--spacing-small);
    color: var(--color-primary);
    transition: color var(--transition-speed);
}

.media-item a:hover h3 {
    color: var(--color-primary-dark);
}

.media-item p {
    font-size: 0.95rem;
    color: var(--color-neutral-dark);
}

.media-item a.read-more {
    color: var(--color-accent);
    font-weight: bold;
    transition: color var(--transition-speed);
}

.media-item a.read-more:hover {
    color: darkorange;
}

/* External Links Section */
.external-links-section .links-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.external-links-section .link-item {
    background: var(--color-secondary);
    padding: var(--spacing-medium);
    border-radius: var(--border-radius);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.external-links-section .link-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 10px var(--shadow-light);
}

.external-links-section .link-item h3 {
    margin-bottom: var(--spacing-small);
    color: var(--color-primary);
}

.external-links-section .link-item p {
    font-size: 0.95rem;
    color: var(--color-neutral-dark);
}

/* Careers Section */
.careers-section .btn {
    background-color: var(--color-accent);
    color: var(--color-neutral-light);
    padding: 12px 24px;
    border: none;
    border-radius: 25px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color var(--transition-speed), transform var(--transition-speed);
}

.careers-section .btn:hover {
    background-color: darkorange;
    transform: translateY(-2px);
}

/* Contact Section */
.contact-section form {
    max-width: 600px;
    margin: 0 auto;
    display: grid;
    gap: var(--spacing-medium);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: var(--spacing-small);
    font-weight: bold;
}

.form-group input,
.form-group textarea {
    padding: var(--spacing-medium);
    border: 1px solid #ccc;
    border-radius: var(--border-radius);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 5px var(--color-primary);
    outline: none;
}

.contact-section .btn {
    background-color: var(--color-primary);
    color: var(--color-neutral-light);
    padding: 14px;
    border: none;
    border-radius: 25px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color var(--transition-speed), transform var(--transition-speed);
}

.contact-section .btn:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
}

/* Footer Styles */
footer {
    background-color: var(--color-neutral-dark);
    color: var(--color-neutral-light);
    padding: var(--spacing-large) 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-medium);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-medium);
}

.footer-links a {
    color: var(--color-neutral-light);
    transition: color var(--transition-speed);
}

.footer-links a:hover {
    color: var(--color-primary);
}

.social-media {
    display: flex;
    gap: var(--spacing-medium);
}

.social-media a img {
    width: 40px;
    height: 40px;
    transition: transform var(--transition-speed), opacity var(--transition-speed);
}

.social-media a img:hover {
    transform: scale(1.1);
    opacity: 0.8;
}

.footer-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-small);
}

.footer-info a {
    color: var(--color-neutral-light);
    transition: color var(--transition-speed);
}

.footer-info a:hover {
    color: var(--color-primary);
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.btn-read-more {
    color: var(--color-accent);
    font-weight: bold;
    transition: color var(--transition-speed);
}

.btn-read-more:hover {
    color: darkorange;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .services-grid,
    .external-links-section .links-grid,
    .case-studies-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }

    .clientele-section .client-logos {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
}

@media (max-width: 768px) {
    header .container {
        padding: var(--spacing-small) 0;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        background-color: var(--color-neutral-light);
        position: absolute;
        top: 60px;
        left: 0;
        padding: var(--spacing-large) 0;
        box-shadow: 0 8px 16px var(--shadow-light);
    }

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

    .burger {
        display: flex;
    }

    .burger.toggle .line1 {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

    .burger.toggle .line2 {
        opacity: 0;
    }

    .burger.toggle .line3 {
        transform: rotate(45deg) translate(-5px, -6px);
    }
}

@media (max-width: 600px) {
    .services-grid,
    .external-links-section .links-grid,
    .case-studies-grid {
        grid-template-columns: 1fr;
    }

    .clientele-section .client-logos {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Smooth Scroll and Parallax */
html {
    scroll-behavior: smooth;
}

.hero-section {
    background-attachment: fixed;
}

/* Social Media Icons */
.social-media a img {
    filter: brightness(0) invert(1);
}

.social-media a:hover img {
    filter: brightness(1) invert(0);
}

/* Forms */
input, textarea {
    font-size: 1rem;
}

button, .btn {
    font-family: var(--font-body);
}