/* 
   GlobalTechVibers Corporate Design System & Stylesheet
   Design Philosophy: Minimal, Corporate, Elegant, Modern, Clean.
*/

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* CSS Variables Definition */
:root {
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    /* Brand Color Palette */
    --color-primary: #D62828;
    --color-primary-hover: #B91C1C;
    --color-dark-navy: #0F172A;
    --color-bg: #FFFFFF;
    --color-section-bg: #F8FAFC;
    --color-text: #334155;
    --color-text-muted: #64748B;
    --color-border: #E5E7EB;
    
    /* Layout Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;
    
    /* Shadows & Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px -1px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.05), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.06), 0 4px 6px -4px rgba(15, 23, 42, 0.06);
    --shadow-hover: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.08);
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Max Widths */
    --container-max: 1200px;
    --header-height: 80px;
}

/* Reset Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--color-bg);
}

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--color-dark-navy);
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 3rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.25rem;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    font-size: 1.05rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

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

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

/* Layout Elements */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xxl) 0;
}

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

.section-header {
    max-width: 700px;
    margin: 0 auto var(--spacing-xl) auto;
    text-align: center;
}

.section-header h2 {
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    color: var(--color-text-muted);
    font-size: 1.15rem;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* Grid Layouts */
.grid {
    display: grid;
    gap: var(--spacing-md);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    border: 1px solid transparent;
    outline: none;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    color: var(--color-bg);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-dark-navy);
    border-color: var(--color-border);
}

.btn-secondary:hover {
    background-color: var(--color-section-bg);
    border-color: var(--color-dark-navy);
    color: var(--color-dark-navy);
    transform: translateY(-1px);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-bg);
    transform: translateY(-1px);
}

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2.25rem;
    font-size: 1.05rem;
}

/* Rounded Cards */
.card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-icon {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    display: inline-block;
}

.card-title {
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.card-desc {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-md);
}

/* Sticky Navigation Header */
.header {
    height: var(--header-height);
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
}

.header.scrolled {
    height: 70px;
    box-shadow: var(--shadow-sm);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 800;
    font-size: 1.35rem;
    color: var(--color-dark-navy);
}

.brand span {
    color: var(--color-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-links a {
    color: var(--color-text);
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

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

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

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

.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-dark-navy);
    cursor: pointer;
}

/* Footer Section */
.footer {
    background-color: var(--color-dark-navy);
    color: #94A3B8;
    padding: var(--spacing-xxl) 0 var(--spacing-lg) 0;
    border-top: 1px solid #1E293B;
}

.footer h3, .footer h4 {
    color: var(--color-bg);
    margin-bottom: var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xxl);
}

.footer-brand-column p {
    color: #94A3B8;
    font-size: 0.95rem;
    margin-top: var(--spacing-sm);
    max-width: 320px;
}

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

.footer-links-list li {
    margin-bottom: 0.75rem;
}

.footer-links-list a {
    color: #94A3B8;
    font-size: 0.95rem;
}

.footer-links-list a:hover {
    color: var(--color-primary);
    padding-left: 4px;
}

.footer-contact-info li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: var(--spacing-sm);
    font-size: 0.95rem;
}

.footer-contact-info i {
    color: var(--color-primary);
    margin-top: 3px;
}

.footer-bottom {
    border-top: 1px solid #1E293B;
    padding-top: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
}

.footer-bottom-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-bottom-links a {
    color: #94A3B8;
}

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

/* Common Form Styles */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-dark-navy);
    margin-bottom: 0.35rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: 0.95rem;
    color: var(--color-dark-navy);
    outline: none;
    transition: var(--transition-fast);
}

.form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(214, 40, 40, 0.1);
}

textarea.form-control {
    min-height: 140px;
    resize: vertical;
}

/* Toast Alerts */
.toast-container {
    position: fixed;
    top: 100px;
    right: 24px;
    z-index: 1100;
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 400px;
    width: calc(100% - 48px);
}

.toast {
    background-color: var(--color-bg);
    border-left: 4px solid var(--color-border);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.95rem;
    color: var(--color-dark-navy);
    animation: slideIn 0.3s ease forwards;
}

.toast.success {
    border-left-color: #10B981;
}

.toast.error {
    border-left-color: var(--color-primary);
}

.toast.info {
    border-left-color: #3B82F6;
}

.toast-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-muted);
    font-size: 1.2rem;
    margin-left: var(--spacing-sm);
}

/* Keyframes */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Reusable Status Badges */
.badge-type {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge-full-time { background: #E0F2FE; color: #0369A1; }
.badge-part-time { background: #FEF3C7; color: #B45309; }
.badge-contract { background: #F3E8FF; color: #6B21A8; }
.badge-internship { background: #DCFCE7; color: #15803D; }

/* --- Hero Rotating Rounded Logo Styles --- */
.hero-logo-orbit {
    position: relative;
    width: min(380px, 90vw);
    height: min(380px, 90vw);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-logo-glow {
    position: absolute;
    width: 80%;
    height: 80%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(214, 40, 40, 0.25) 0%, rgba(214, 40, 40, 0) 70%);
    filter: blur(15px);
    z-index: 1;
    animation: glowPulse 4s ease-in-out infinite alternate;
}

.orbit-ring.ring-outer {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px dashed rgba(214, 40, 40, 0.35);
    z-index: 2;
    animation: spinSlow 30s linear infinite reverse;
}

.orbiting-particle-container {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 3;
    animation: spinSlow 8s linear infinite;
}

.orbiting-particle {
    position: absolute;
    top: -5px;
    left: 50%;
    width: 12px;
    height: 12px;
    background-color: var(--color-primary);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--color-primary), 0 0 20px var(--color-primary);
    transform: translateX(-50%);
}

.hero-logo-frame {
    position: absolute;
    width: 82%;
    height: 82%;
    border-radius: 50%;
    background-color: #ffffff;
    box-shadow: var(--shadow-lg), 0 15px 35px rgba(15, 23, 42, 0.1);
    border: 4px solid #ffffff;
    z-index: 4;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.hero-logo-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.hero-logo-orbit:hover .hero-logo-frame {
    transform: scale(1.03);
    box-shadow: 0 20px 45px rgba(15, 23, 42, 0.15);
}

.hero-logo-orbit:hover .orbiting-particle-container {
    animation-play-state: paused;
}

.hero-logo-orbit:hover .orbit-ring.ring-outer {
    border-color: rgba(214, 40, 40, 0.6);
}

@keyframes glowPulse {
    0% {
        transform: scale(0.92);
        opacity: 0.5;
    }
    100% {
        transform: scale(1.08);
        opacity: 1;
    }
}

/* --- Hero Section Background & Overlay --- */
.hero-section {
    position: relative;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: scroll;
    transition: background var(--transition-normal);
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.85) 0%, rgba(15, 23, 42, 0.75) 100%);
    z-index: 1;
}

/* Ensure content sits above the overlay */
.hero-section > * {
    position: relative;
    z-index: 2;
}

/* Option 1: Sleek Dark Mode Styling */
.hero-section-dark h1 {
    color: #FFFFFF !important;
}

.hero-section-dark p {
    color: #CBD5E1 !important; /* light slate gray */
}

/* Overrides for buttons on dark background */
.hero-section-dark .btn-secondary {
    color: #FFFFFF !important;
    border-color: rgba(255, 255, 255, 0.4) !important;
    background-color: transparent !important;
}

.hero-section-dark .btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1) !important;
    border-color: #FFFFFF !important;
    color: #FFFFFF !important;
}