/*
 * Main Stylesheet for Sysafe
 * Version: 2.0 - Enhanced & Consolidated
 * Author: Sysafe/AI Assistant
 * Description: Consolidated stylesheet combining all previous CSS files with modern improvements
 */

/* 1. VARIABLES & GOOGLE FONT
-------------------------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');

:root {
    /* Typography */
    --font-primary: 'Poppins', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    
    /* Colors - Dark Theme */
    --color-bg-dark: #1a1a1a;
    --color-bg-light: #212121;
    --color-bg-card: #2a2a2a;
    --color-text-primary: #ffffff;
    --color-text-secondary: #e0e0e0;
    --color-text-muted: #b0b0b0;
    
    /* Accent Colors */
    --color-accent: #00a8ff;
    --color-accent-dark: #0088cc;
    --color-accent-light: #33b8ff;
    
    /* UI Colors */
    --color-border: #333;
    --color-border-light: #444;
    --color-success: #28a745;
    --color-warning: #ffc107;
    --color-danger: #dc3545;
    
    /* Shadows & Effects */
    --shadow-main: 0 4px 10px rgba(0, 0, 0, 0.2);
    --shadow-hover: 0 8px 20px rgba(0, 0, 0, 0.3);
    --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: all 0.2s ease-in-out;
    --transition-medium: all 0.3s ease-in-out;
    --transition-slow: all 0.5s ease-in-out;
    
    /* Layout */
    --header-height: 80px;
    --container-max-width: 1200px;
    --border-radius: 8px;
    --border-radius-small: 5px;
}

/* 2. RESET & BASE STYLES
-------------------------------------------------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    line-height: 1.7;
    color: var(--color-text-secondary);
    background-color: var(--color-bg-dark);
    padding-top: var(--header-height);
    overflow-x: hidden;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 4rem 0;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--color-text-primary);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 { font-size: 2.8rem; }
h2 { font-size: 2.2rem; margin-bottom: 2rem; }
h3 { font-size: 1.6rem; }
h4 { font-size: 1.3rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1.5rem;
    color: var(--color-text-secondary);
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: var(--transition-fast);
}
a:hover {
    color: var(--color-accent-light);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

li {
    margin-bottom: 0.5rem;
}

/* Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--color-accent);
    color: var(--color-text-primary);
    padding: 8px;
    text-decoration: none;
    border-radius: var(--border-radius-small);
    z-index: 10000;
}
.skip-link:focus {
    top: 6px;
}

/* 3. HEADER & NAVIGATION
-------------------------------------------------- */
header {
    background-color: var(--color-bg-light);
    box-shadow: var(--shadow-main);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
    height: var(--header-height);
    display: flex;
    align-items: center;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 0 20px;
    max-width: var(--container-max-width);
    margin: 0 auto;
}

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

.logo {
    height: 45px;
    width: auto;
    transition: var(--transition-fast);
}
.logo:hover {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-item {
    margin-left: 25px;
    position: relative;
}

.nav-link {
    color: var(--color-text-primary);
    text-decoration: none;
    font-weight: 500;
    padding: 10px 5px;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    position: relative;
    transition: var(--transition-fast);
}

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

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

.nav-link.active {
    color: var(--color-accent);
}

/* Dropdown Menus */
.dropdown-menu {
    position: absolute;
    top: 120%;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-bg-light);
    box-shadow: var(--shadow-hover);
    min-width: 220px;
    display: none;
    padding: 10px 0;
    z-index: 1001;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    opacity: 0;
    transition: opacity 0.2s ease, top 0.2s ease;
}

.nav-item:hover .dropdown-menu {
    display: block;
    opacity: 1;
    top: 100%;
}

.dropdown-menu li {
    list-style: none;
    margin: 0;
}

.dropdown-menu a {
    color: var(--color-text-secondary);
    text-decoration: none;
    display: block;
    padding: 12px 20px;
    font-size: 0.9rem;
    text-transform: none;
    letter-spacing: normal;
    transition: var(--transition-fast);
}

.dropdown-menu a:hover {
    background-color: var(--color-accent);
    color: var(--color-text-primary);
}

/* Mobile Navigation */
.hamburger {
    display: none;
    cursor: pointer;
    flex-direction: column;
    justify-content: space-around;
    width: 25px;
    height: 20px;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-text-primary);
    transition: var(--transition-fast);
    border-radius: 2px;
}

.hamburger.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}

.hamburger.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* 4. HERO SECTION
-------------------------------------------------- */
.hero-section {
    background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('../images/digital-header.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--color-text-primary);
    text-align: center;
    padding: 8rem 0 6rem;
    position: relative;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 168, 255, 0.1), rgba(0, 0, 0, 0.3));
    pointer-events: none;
}

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

.hero-section h1 {
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease-out;
}

.hero-section .subtitle {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto 2.5rem;
    color: var(--color-text-secondary);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-buttons {
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-buttons .btn {
    margin: 0.5rem;
}

/* 5. BUTTONS & INTERACTIVE ELEMENTS
-------------------------------------------------- */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: var(--border-radius-small);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-fast);
    border: 2px solid transparent;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: var(--transition-medium);
}

.btn:hover::before {
    left: 100%;
}

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

.btn-primary:hover {
    background-color: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

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

.btn-secondary:hover {
    background-color: var(--color-accent);
    color: var(--color-text-primary);
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-accent);
    border: 2px solid var(--color-accent);
}

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

/* 6. CARDS & CONTENT SECTIONS
-------------------------------------------------- */
.content-section {
    background-color: var(--color-bg-light);
    padding: 4rem 2rem;
    border-radius: var(--border-radius);
    margin-bottom: 3rem;
    position: relative;
}

.content-section h2 {
    text-align: center;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.content-section h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--color-accent);
    border-radius: 2px;
}

.feature-card {
    background-color: var(--color-bg-card);
    border-radius: var(--border-radius);
    padding: 2.5rem 2rem;
    box-shadow: var(--shadow-card);
    transition: var(--transition-medium);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
    transform: scaleX(0);
    transition: var(--transition-medium);
}

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

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    color: var(--color-accent);
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    transition: var(--transition-fast);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
    color: var(--color-accent-light);
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--color-text-primary);
}

.feature-card p {
    flex-grow: 1;
    margin-bottom: 1.5rem;
    color: var(--color-text-secondary);
}

/* Grid Layouts */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

/* 7. TRUST SIGNALS & TESTIMONIALS
-------------------------------------------------- */
.trust-section {
    text-align: center;
    padding: 4rem 0;
}

.trust-section h2 {
    margin-bottom: 3rem;
}

.client-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 3rem;
    filter: grayscale(100%) invert(1) brightness(1.5);
    opacity: 0.7;
    transition: var(--transition-medium);
}

.client-logos:hover {
    opacity: 1;
}

.client-logos img {
    height: 40px;
    transition: var(--transition-fast);
}

.client-logos img:hover {
    transform: scale(1.1);
}

.testimonial-card {
    background-color: var(--color-bg-card);
    padding: 2rem;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-accent);
    margin: 2rem 0;
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 4rem;
    color: var(--color-accent);
    opacity: 0.3;
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.testimonial-author {
    font-weight: 600;
    color: var(--color-text-primary);
}

.testimonial-company {
    color: var(--color-accent);
    font-size: 0.9rem;
}

/* 8. FOOTER
-------------------------------------------------- */
footer {
    background-color: #121212;
    color: var(--color-text-secondary);
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--color-border);
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-section h3 {
    color: var(--color-text-primary);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

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

.footer-section a {
    color: var(--color-text-secondary);
    transition: var(--transition-fast);
}

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

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    margin: 0;
    color: var(--color-text-muted);
}

/* 9. ANIMATIONS
-------------------------------------------------- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* 10. RESPONSIVE DESIGN
-------------------------------------------------- */
@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }
    
    body {
        padding-top: var(--header-height);
    }
    
    .navbar {
        padding: 0 15px;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: var(--header-height);
        flex-direction: column;
        background-color: var(--color-bg-light);
        width: 100%;
        text-align: center;
        transition: var(--transition-medium);
        box-shadow: var(--shadow-main);
        border-top: 1px solid var(--color-border);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-item {
        margin: 1rem 0;
    }
    
    .nav-link {
        font-size: 1rem;
        padding: 1rem;
    }
    
    .dropdown-menu {
        position: static;
        display: block;
        opacity: 1;
        box-shadow: none;
        border: none;
        background-color: var(--color-bg-card);
        margin-top: 1rem;
        transform: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-section {
        padding: 6rem 0 4rem;
        background-attachment: scroll;
    }
    
    h1 { font-size: 2.2rem; }
    h2 { font-size: 1.8rem; }
    h3 { font-size: 1.4rem; }
    
    .hero-section .subtitle {
        font-size: 1.1rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    section {
        padding: 3rem 0;
    }
    
    .content-section {
        padding: 3rem 1.5rem;
        margin-bottom: 2rem;
    }
    
    .feature-grid,
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .feature-card {
        padding: 2rem 1.5rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.8rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.5rem; }
    
    .hero-section {
        padding: 4rem 0 3rem;
    }
    
    .hero-section .subtitle {
        font-size: 1rem;
    }
    
    .feature-card {
        padding: 1.5rem 1rem;
    }
    
    .btn {
        padding: 8px 16px;
        font-size: 0.75rem;
    }
}

/* 11. UTILITY CLASSES
-------------------------------------------------- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.hidden { display: none; }
.visible { display: block; }

.fade-in {
    animation: fadeInUp 0.6s ease-out;
}

.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

/* 12. PRINT STYLES
-------------------------------------------------- */
@media print {
    * {
        background: transparent !important;
        color: black !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }
    
    header, footer, .hamburger {
        display: none;
    }
    
    body {
        padding-top: 0;
    }
    
    a, a:visited {
        text-decoration: underline;
    }
    
    .btn {
        border: 1px solid black;
    }
}