/* 
    Premium Export Corporate Site Styling
    Palette: Dark Blue (#0a192f), Gold (#d4af37), White (#ffffff), Light Grey (#f8f9fa)
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&family=Montserrat:wght@400;700&display=swap');

:root {
    --primary-color: #0a192f;
    --secondary-color: #d4af37;
    --text-color: #333;
    --light-text: #666;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.9);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

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

h1, h2, h3, h4, .navbar-brand {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
}

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

ul {
    list-style: none;
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: transparent;
    transition: var(--transition);
    padding: 20px 0;
}

header.sticky {
    background: var(--primary-color);
    padding: 10px 0;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: var(--logo-height, 50px);
    width: var(--logo-width, auto);
    max-width: 100%;
    max-height: 120px; /* Safety cap for desktop */
    object-fit: contain;
    transition: var(--transition);
}

.logo span {
    color: var(--secondary-color);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links li a {
    color: var(--white);
    font-weight: 500;
    font-size: 1rem;
    position: relative;
}

.nav-links li a:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    bottom: -5px;
    left: 0;
    transition: var(--transition);
}

.nav-links li a:hover:after {
    width: 100%;
}

.mobile-toggle {
    display: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    width: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-align: center;
    overflow: hidden;
    padding: 0 !important;
    margin: 0 !important;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100% !important;
    height: 100% !important;
    min-width: 100% !important;
    min-height: 100% !important;
    object-fit: cover;
    transform: translate(-50%, -50%);
    z-index: -2;
    pointer-events: none;
    display: block;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 25, 47, 0.7); /* Professional overlay for contrast */
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: #ccc;
    animation: fadeInUp 1.2s ease;
}

.btn {
    display: inline-block;
    padding: 15px 35px;
    background: var(--secondary-color);
    color: var(--primary-color);
    font-weight: 700;
    border-radius: 5px;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 2px solid var(--secondary-color);
    cursor: pointer;
}

.btn:hover {
    background: transparent;
    color: var(--secondary-color);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
    margin-left: 15px;
}

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

/* Section Styling */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    position: relative;
    padding-bottom: 15px;
}

.section-title h2:after {
    content: '';
    position: absolute;
    width: 50px;
    height: 3px;
    background: var(--secondary-color);
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

/* Card Styling */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    background: var(--white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: var(--transition);
    border-bottom: 4px solid transparent;
}

.card:hover {
    transform: translateY(-10px);
    border-color: var(--secondary-color);
}

.card i {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

/* Footer */
footer {
    background: var(--primary-color);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links li a {
    color: #ccc;
}

.footer-links li a:hover {
    color: var(--secondary-color);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: #777;
    font-size: 0.9rem;
}

/* Reveal on Scroll */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal-on-scroll.reveal {
    opacity: 1;
    transform: translateY(0);
}

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

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none; /* Mobile menu will be handled in JS */
    }
    .mobile-toggle {
        display: block;
    }
    .hero h1 {
        font-size: 2.5rem;
    }
    .btn-outline {
        margin-left: 0;
        margin-top: 15px;
    }
    .logo img {
        max-height: 60px; /* Smaller logo on mobile */
        width: auto !important; /* Force aspect ratio on mobile */
    }
}

/* Floating Contact Icons */
.floating-contact {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.floating-btn {
    width: 60px;
    height: 60px;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    box-shadow: -2px 5px 20px rgba(0,0,0,0.1);
    border-radius: 30px 0 0 30px;
    transition: var(--transition);
}

.floating-btn.whatsapp {
    background: #25d366;
    color: white;
}

.floating-btn.call {
    background: var(--primary-color);
    color: var(--secondary-color);
}

.floating-btn:hover {
    width: 80px;
    padding-right: 20px;
}

/* Chatbot Widget */
.chatbot-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 2000;
}

.chatbot-bubble {
    width: 65px;
    height: 65px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    cursor: pointer;
    transition: var(--transition);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {transform: translateY(0);}
    40% {transform: translateY(-10px);}
    60% {transform: translateY(-5px);}
}

.chatbot-bubble:hover {
    transform: scale(1.1);
    animation: none;
}

.chat-window {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 350px;
    height: 450px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
    display: none;
    flex-direction: column;
    overflow: hidden;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.chat-header {
    background: var(--primary-color);
    color: white;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-body {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    background: #f8f9fa;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.chat-msg {
    max-width: 80%;
    padding: 10px 15px;
    border-radius: 15px;
    font-size: 0.9rem;
}

.msg-ai {
    background: #e9ecef;
    align-self: flex-start;
    border-bottom-left-radius: 2px;
}

.msg-user {
    background: var(--secondary-color);
    color: var(--primary-color);
    align-self: flex-end;
    border-bottom-right-radius: 2px;
    font-weight: 500;
}

.chat-footer {
    padding: 15px;
    display: flex;
    gap: 10px;
    background: white;
    border-top: 1px solid #eee;
}

.chat-footer input {
    flex: 1;
    border: none;
    outline: none;
    padding: 10px;
}

.chat-footer button {
    background: none;
    border: none;
    color: var(--secondary-color);
    font-size: 1.5rem;
    cursor: pointer;
}

@media (max-width: 768px) {
    .chat-window { width: 300px; height: 400px; right: -10px; }
}

/* Standardized Page Headers */
.page-header {
    height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
    padding: 0 !important; /* Overriding section padding */
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(10, 25, 47, 0.8), rgba(10, 25, 47, 0.6));
    z-index: 1;
}

.page-header .container {
    position: relative;
    z-index: 2;
}

.page-header h1 {
    font-size: clamp(2rem, 5vw, 3.5rem) !important;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.page-header p {
    font-size: 1.1rem;
    color: #ccc;
    max-width: 700px;
    margin: 0 auto;
}

/* Page Specific Banners */
.banner-about { background: url('../../assets/images/about-img.jpg') center/cover no-repeat; }
.banner-services { background: url('https://images.unsplash.com/photo-1586528116311-ad8dd3c8310d?q=80&w=2000&auto=format&fit=crop') center/cover no-repeat; }
.banner-products { background: url('https://images.unsplash.com/photo-1596040033229-a9821ebd058d?q=80&w=2000&auto=format&fit=crop') center/cover no-repeat; }
.banner-certs { background: url('https://images.unsplash.com/photo-1635350736475-c8cef4b21906?q=80&w=2000&auto=format&fit=crop') center/cover no-repeat; }
.banner-gallery { background: url('https://images.unsplash.com/photo-1542296332-2e4473faf563?q=80&w=2000&auto=format&fit=crop') center/cover no-repeat; }
.banner-contact { background: url('https://images.unsplash.com/photo-1423666639041-f56000c27a9a?q=80&w=2000&auto=format&fit=crop') center/cover no-repeat; }