/* Custom CSS for Pharma Validation Engineering */
:root {
    --primary: #005596;    /* Blue */
    --accent: #009BA4;     /* Cyan/Teal */
    --gray-dark: #333333;
    --gray: #666666;       /* Gray */
    --gray-light: #f4f6f8;
    --gray-border: #e0e5ea;
    --white: #ffffff;
    --black: #0f172a;
    --transition: all 0.3s ease;
    --shadow: 0 10px 30px -10px rgba(0, 85, 150, 0.15);
    --shadow-hover: 0 20px 40px -10px rgba(0, 155, 164, 0.2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-family: 'Montserrat', sans-serif;
    color: var(--gray-dark);
}

body {
    background-color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--black);
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
    color: var(--white);
}

h2 {
    font-size: 2.2rem;
}

h3 {
    font-size: 1.3rem;
    color: var(--primary);
}

p {
    margin-bottom: 1rem;
    color: var(--gray);
}

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

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

/* Layout */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-padding {
    padding: 5rem 0;
}

.bg-light {
    background-color: var(--gray-light);
}

.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.divider {
    height: 4px;
    width: 60px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    margin: 1.5rem auto;
    border-radius: 2px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.8rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #0070c0);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(0, 85, 150, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #00447a, var(--primary));
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 85, 150, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.6);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--white);
    color: var(--white);
}

.btn-whatsapp {
    background-color: #25D366;
    color: var(--white);
    gap: 0.5rem;
}

.btn-whatsapp:hover {
    background-color: #128C7E;
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

.btn-block {
    width: 100%;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    padding: 1rem 0;
    transition: var(--transition);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.5px;
}

.logo-accent {
    color: var(--accent);
}

.logo-gray {
    color: var(--gray);
    font-weight: 500;
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.lang-switcher {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
}

.lang-switcher select {
    border: none;
    background: transparent;
    font-family: inherit;
    font-weight: 600;
    color: var(--primary);
    cursor: pointer;
    outline: none;
    font-size: 0.95rem;
}

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

.nav-links a {
    font-weight: 600;
    color: var(--black);
    font-size: 0.95rem;
}

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

.btn-outline-nav {
    border: 2px solid var(--primary);
    padding: 0.5rem 1.2rem;
    border-radius: 4px;
    color: var(--primary) !important;
}

.btn-outline-nav:hover {
    background: var(--primary);
    color: var(--white) !important;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--black);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background-color: #050b14;
    overflow: hidden;
    padding-top: 80px;
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(0, 85, 150, 0.1) 0%, rgba(5, 11, 20, 0.85) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
}

.hero-text {
    max-width: 800px;
}

.hero-text p {
    font-size: 1.2rem;
    color: #e2e8f0;
    margin-bottom: 2.5rem;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

/* Value Props */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.value-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    border-top: 4px solid var(--accent);
    transition: var(--transition);
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 155, 164, 0.1);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin-bottom: 1.5rem;
}

/* Services GSAP Slider */
.services-pin-container {
    padding: 5rem 0;
    overflow: hidden;
}

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

.services-slider {
    width: 100%;
    height: 70vh;
    min-height: 500px;
    position: relative;
}

.services-track {
    display: flex;
    width: fit-content;
    height: 100%;
    gap: 2rem;
    padding: 0 10vw; /* padding to center first slide */
}

.service-slide {
    width: 60vw;
    max-width: 800px;
    min-width: 300px;
    height: 100%;
    flex-shrink: 0;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.service-image-container {
    width: 100%;
    height: 100%;
    position: relative;
}

.service-image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.service-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 3rem;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.9) 0%, rgba(15, 23, 42, 0.5) 60%, transparent 100%);
    color: var(--white);
}

.service-overlay h3 {
    color: var(--white);
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.service-overlay p {
    color: rgba(255,255,255,0.9);
    margin: 0;
}

/* How we work (GSAP Sequential Reveal) */
.process-pin-container {
    padding: 5rem 0;
    background: var(--white);
    overflow: hidden;
}

.process-layout {
    display: flex;
    gap: 4rem;
}

.process-left {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.process-left h2 {
    font-size: 3rem;
    color: var(--primary);
}

.process-right {
    flex: 1.5;
    position: relative;
    min-height: 50vh;
}

.process-steps-container {
    position: relative;
}

.process-step-gsap {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
    margin-bottom: 3rem;
    opacity: 0; /* Hidden initially for GSAP */
    transform: translateY(50px);
}

.process-step-gsap:last-child {
    margin-bottom: 0;
}

.process-step-gsap .step-number {
    width: 60px;
    height: 60px;
    background: var(--accent);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: 0 10px 20px rgba(0, 155, 164, 0.3);
}

.process-step-gsap .step-content h3 {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.process-step-gsap .step-content p {
    font-size: 1.1rem;
}

/* Compliance */
.compliance-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.compliance-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.badge {
    background: var(--white);
    border: 1px solid var(--gray-border);
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    color: var(--primary);
    box-shadow: 0 2px 5px rgba(0,0,0,0.02);
    display: flex;
    align-items: center;
    font-size: 0.9rem;
    transition: var(--transition);
}

.badge:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* Industries (Marquee) */
.industries {
    overflow: hidden;
}

.marquee-container {
    width: 100%;
    overflow: hidden;
    background: var(--white);
    padding: 2rem 0;
    border-top: 1px solid var(--gray-border);
    border-bottom: 1px solid var(--gray-border);
}

.marquee-track {
    display: flex;
    width: fit-content;
    animation: scroll-left 40s linear infinite;
    gap: 2rem;
    padding-right: 2rem;
}

.marquee-track:hover {
    animation-play-state: paused;
}

.industry-item {
    background: var(--white);
    border: 1px solid var(--gray-border);
    padding: 1.5rem 2.5rem;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 600;
    color: var(--black);
    white-space: nowrap;
    transition: var(--transition);
    box-shadow: 0 4px 10px rgba(0,0,0,0.02);
}

.industry-item:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.industry-item:hover i {
    color: var(--white);
}

.industry-item i {
    color: var(--accent);
}

@keyframes scroll-left {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); } /* Scrolls exactly half the duplicated content */
}

/* CTA */
.cta {
    background: linear-gradient(135deg, #0f172a, var(--primary));
    padding: 6rem 0;
    text-align: center;
    color: var(--white);
}

.cta h2 {
    color: var(--white);
    margin-bottom: 1.5rem;
}

.cta p {
    color: rgba(255,255,255,0.8);
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Contact */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.info-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.info-item i {
    color: var(--accent);
    margin-top: 0.2rem;
}

.info-item h4 {
    margin-bottom: 0.2rem;
}

.contact-form {
    background: var(--white);
    padding: 3rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid var(--gray-border);
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 85, 150, 0.1);
}

/* Interactive Footer */
.interactive-footer {
    position: relative;
    background-color: var(--black);
    color: rgba(255,255,255,0.7);
    overflow: hidden;
}

#footer-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none; /* Let clicks pass through */
}

.footer-overlay-content {
    position: relative;
    z-index: 2;
    padding-top: 5rem;
    background: linear-gradient(to top, rgba(15, 23, 42, 1) 20%, rgba(15, 23, 42, 0.4) 100%);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand h3 {
    color: var(--white);
}

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

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 1.5rem 0;
    text-align: center;
    font-size: 0.9rem;
}

/* Animations (General) */
.animate-fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Responsive */
@media (max-width: 992px) {
    h1 { font-size: 2rem; }
    
    .compliance-layout,
    .contact-layout,
    .footer-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .process-layout {
        flex-direction: column;
        gap: 2rem;
    }
    
    .service-slide {
        width: 80vw;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        gap: 1.5rem;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        padding: 2rem 1.5rem;
    }
    
    .service-overlay {
        padding: 1.5rem;
    }
    
    .service-overlay h3 {
        font-size: 1.3rem;
    }
}