@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

/* ATERO Design System - Theme Variables */
:root,
[data-bs-theme="dark"] {
    --bg-deep: #060913;
    --bg-deep-secondary: #0b0f19;
    --bg-card: rgba(11, 15, 25, 0.75);
    --border-glass: rgba(255, 255, 255, 0.08);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-gradient-1: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
    --accent-gradient-2: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --accent-glow-1: 0 0 20px rgba(0, 242, 254, 0.3);
    --accent-glow-2: 0 0 25px rgba(99, 102, 241, 0.35);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    
    /* Layout specific theme variables */
    --glow-1: radial-gradient(circle, rgba(79, 172, 254, 0.14) 0%, rgba(6, 9, 19, 0) 70%);
    --glow-2: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, rgba(6, 9, 19, 0) 70%);
    --glow-3: radial-gradient(circle, rgba(0, 242, 254, 0.1) 0%, rgba(6, 9, 19, 0) 70%);
    --footer-bg: #03050a;
    --social-btn-bg: rgba(255, 255, 255, 0.03);
    --social-btn-border: rgba(255, 255, 255, 0.06);
    --btn-primary-text: #060913;
    
    --badge-bg: rgba(255, 255, 255, 0.04);
    --badge-shadow: inset 0 0 10px rgba(255, 255, 255, 0.02);
    --outline-btn-border: rgba(255, 255, 255, 0.15);
    --outline-btn-hover-bg: rgba(255, 255, 255, 0.05);

    --navbar-bg: rgba(6, 9, 19, 0.7);
    --hero-title-gradient: linear-gradient(to right, #ffffff 40%, #94a3b8 100%);
}

[data-bs-theme="light"] {
    --bg-deep: #f5f7fc;
    --bg-deep-secondary: #ffffff;
    --bg-card: rgba(255, 255, 255, 0.95);
    --border-glass: rgba(15, 23, 42, 0.08);
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --accent-gradient-1: linear-gradient(135deg, #00b4db 0%, #0083b0 100%);
    --accent-gradient-2: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    --accent-glow-1: 0 10px 25px rgba(0, 180, 219, 0.15);
    --accent-glow-2: 0 10px 30px rgba(79, 70, 229, 0.15);
    
    --glow-1: radial-gradient(circle, rgba(0, 180, 219, 0.08) 0%, rgba(245, 247, 252, 0) 70%);
    --glow-2: radial-gradient(circle, rgba(79, 70, 229, 0.06) 0%, rgba(245, 247, 252, 0) 70%);
    --glow-3: radial-gradient(circle, rgba(0, 180, 219, 0.05) 0%, rgba(245, 247, 252, 0) 70%);
    --footer-bg: #ffffff;
    --social-btn-bg: rgba(15, 23, 42, 0.04);
    --social-btn-border: rgba(15, 23, 42, 0.08);
    --btn-primary-text: #ffffff;
    
    --badge-bg: rgba(15, 23, 42, 0.04);
    --badge-shadow: inset 0 0 10px rgba(15, 23, 42, 0.01);
    --outline-btn-border: rgba(15, 23, 42, 0.18);
    --outline-btn-hover-bg: rgba(15, 23, 42, 0.05);

    --navbar-bg: rgba(255, 255, 255, 0.85);
    --hero-title-gradient: linear-gradient(to right, #0f172a 40%, #334155 100%);
}

body {
    background-color: var(--bg-deep);
    color: var(--text-primary);
    font-family: var(--font-body);
    overflow-x: hidden;
    letter-spacing: -0.01em;
    min-height: 100vh;
    transition: var(--transition-smooth);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

/* Background Gradients */
.bg-glow-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.bg-glow-radial {
    position: absolute;
    width: 60vw;
    height: 60vw;
    background: var(--glow-1);
    z-index: -1;
    pointer-events: none;
    filter: blur(80px);
}

.bg-glow-left {
    top: -10%;
    left: -20%;
}

.bg-glow-right {
    top: 35%;
    right: -20%;
    background: var(--glow-2);
}

.bg-glow-bottom {
    bottom: -10%;
    left: 20%;
    background: var(--glow-3);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-deep);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.12);
    border-radius: 5px;
    border: 2px solid var(--bg-deep);
}
::-webkit-scrollbar-thumb:hover {
    background: #00f2fe;
}

/* Header & Navbar */
.navbar-custom {
    background: var(--navbar-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-glass);
    transition: var(--transition-smooth);
    padding: 1rem 0;
    z-index: 1050;
}

.navbar-brand-logo img {
    object-fit: contain;
    transition: var(--transition-smooth);
}

[data-bs-theme="dark"] .navbar-brand-logo img {
    filter: brightness(1.35) contrast(1.05) drop-shadow(0 0 12px rgba(0, 242, 254, 0.45));
}

/* Theme Toggle Button */
.theme-toggle-btn {
    background: var(--badge-bg);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    cursor: pointer;
}

.theme-toggle-btn:hover {
    background: var(--outline-btn-hover-bg);
    color: #00f2fe;
    transform: rotate(15deg) scale(1.05);
}

/* Hero Title Gradient */
.hero-title-text {
    background: var(--hero-title-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Glass Card */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: 1.75rem;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
    transition: var(--transition-smooth);
}

.glass-card:hover {
    border-color: rgba(0, 242, 254, 0.25);
    box-shadow: 0 25px 60px rgba(0, 242, 254, 0.1);
}

/* Tech Badges */
.tech-badge {
    display: inline-flex;
    align-items: center;
    background: var(--badge-bg);
    border: 1px solid var(--border-glass);
    border-radius: 50px;
    padding: 0.4rem 1.1rem;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.tech-badge-dot {
    width: 8px;
    height: 8px;
    background-color: #00f2fe;
    border-radius: 50%;
    margin-right: 0.6rem;
    box-shadow: 0 0 10px #00f2fe;
    animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
    0% { opacity: 0.4; box-shadow: 0 0 5px #00f2fe; }
    50% { opacity: 1; box-shadow: 0 0 15px #00f2fe; }
    100% { opacity: 0.4; box-shadow: 0 0 5px #00f2fe; }
}

/* Gradient Buttons */
.btn-atero-gradient {
    background: var(--accent-gradient-1);
    color: var(--btn-primary-text) !important;
    font-family: var(--font-heading);
    font-weight: 700;
    border: none;
    border-radius: 1rem;
    padding: 0.85rem 1.75rem;
    box-shadow: var(--accent-glow-1);
    transition: var(--transition-smooth);
}

.btn-atero-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 242, 254, 0.55);
}

.btn-atero-outline {
    background: var(--social-btn-bg);
    color: var(--text-primary) !important;
    font-family: var(--font-heading);
    font-weight: 600;
    border: 1px solid var(--outline-btn-border);
    border-radius: 1rem;
    padding: 0.85rem 1.75rem;
    transition: var(--transition-smooth);
}

.btn-atero-outline:hover {
    background: var(--outline-btn-hover-bg);
    border-color: rgba(0, 242, 254, 0.5);
    color: #00f2fe !important;
    transform: translateY(-2px);
}

/* Form Controls */
.atero-input {
    background: var(--bg-deep-secondary) !important;
    border: 1px solid var(--border-glass) !important;
    color: var(--text-primary) !important;
    border-radius: 1rem;
    padding: 0.85rem 1.25rem;
    transition: var(--transition-smooth);
}

.atero-input:focus {
    border-color: #00f2fe !important;
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.25) !important;
    outline: none;
}

.atero-input::placeholder {
    color: var(--text-secondary);
}

/* Dropzone Styling */
.drop-zone-atero {
    border: 2px dashed var(--border-glass);
    background: var(--bg-deep-secondary);
    border-radius: 2rem;
    padding: 3.5rem 2rem;
    transition: var(--transition-smooth);
    cursor: pointer;
}

.drop-zone-atero:hover,
.drop-zone-atero.drag-over {
    border-color: #00f2fe;
    background: rgba(0, 242, 254, 0.04);
    box-shadow: inset 0 0 30px rgba(0, 242, 254, 0.08);
}

.icon-glow-container {
    width: 4.5rem;
    height: 4.5rem;
    background: rgba(0, 242, 254, 0.1);
    border: 1px solid rgba(0, 242, 254, 0.3);
    border-radius: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #00f2fe;
    margin: 0 auto 1.25rem auto;
    box-shadow: 0 0 20px rgba(0, 242, 254, 0.2);
    transition: var(--transition-smooth);
}

.drop-zone-atero:hover .icon-glow-container {
    transform: scale(1.1) rotate(4deg);
    box-shadow: 0 0 30px rgba(0, 242, 254, 0.4);
}

/* Progress bar */
.progress-bar-atero {
    height: 8px;
    background: var(--border-glass);
    border-radius: 999px;
    overflow: hidden;
}

.progress-fill-atero {
    height: 100%;
    background: var(--accent-gradient-1);
    border-radius: 999px;
    box-shadow: 0 0 12px rgba(0, 242, 254, 0.5);
    transition: width 0.6s ease;
}

/* Modal styling */
.modal-backdrop-atero {
    background: rgba(3, 5, 10, 0.85);
    backdrop-filter: blur(12px);
}

/* Footer Custom Styles */
.footer-custom {
    background: var(--footer-bg);
    border-top: 1px solid var(--border-glass);
    padding: 5rem 0 2.5rem 0;
    color: var(--text-secondary);
    font-size: 0.92rem;
    transition: var(--transition-smooth);
}

.footer-title {
    color: var(--text-primary);
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.footer-links a:hover {
    color: #00f2fe;
    padding-left: 6px;
}

.footer-logo img {
    object-fit: contain;
    transition: var(--transition-smooth);
}

[data-bs-theme="dark"] .footer-logo img {
    filter: brightness(1.35) contrast(1.05) drop-shadow(0 0 10px rgba(0, 242, 254, 0.45));
}

.social-links {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.social-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--social-btn-bg);
    border: 1px solid var(--social-btn-border);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition-smooth);
    text-decoration: none;
}

.social-btn:hover {
    background: var(--accent-gradient-1);
    color: #ffffff;
    box-shadow: var(--accent-glow-1);
    transform: translateY(-3px);
}

.footer-divider {
    height: 1px;
    background: var(--border-glass);
    margin: 4rem 0 2rem 0;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.25rem;
}

.footer-bottom-links {
    display: flex;
    gap: 1.5rem;
}

.footer-bottom-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.footer-bottom-links a:hover {
    color: #00f2fe;
}

/* ==========================================================================
   LIGHT MODE HIGH-CONTRAST TEXT OVERRIDES
   ========================================================================== */
[data-bs-theme="light"] {
    color: #0f172a !important;
}

[data-bs-theme="light"] body {
    background-color: #f5f7fc !important;
    color: #0f172a !important;
}

[data-bs-theme="light"] h1, 
[data-bs-theme="light"] h2, 
[data-bs-theme="light"] h3, 
[data-bs-theme="light"] h4, 
[data-bs-theme="light"] h5, 
[data-bs-theme="light"] h6 {
    color: #0f172a !important;
}

/* Override Tailwind hardcoded light text colors in light mode */
[data-bs-theme="light"] .text-slate-100,
[data-bs-theme="light"] .text-slate-200,
[data-bs-theme="light"] .text-slate-300 {
    color: #1e293b !important;
}

[data-bs-theme="light"] .text-slate-400 {
    color: #475569 !important;
}

[data-bs-theme="light"] .text-slate-500 {
    color: #64748b !important;
}

[data-bs-theme="light"] .text-slate-600 {
    color: #334155 !important;
}

[data-bs-theme="light"] .text-secondary {
    color: #475569 !important;
}

[data-bs-theme="light"] .text-white:not(.btn-atero-gradient *):not(.btn *) {
    color: #0f172a !important;
}

/* Glass card styling in Light Mode */
[data-bs-theme="light"] .glass-card {
    background: #ffffff !important;
    border-color: rgba(15, 23, 42, 0.1) !important;
    box-shadow: 0 15px 35px rgba(15, 23, 42, 0.06) !important;
}

/* Modal Backdrop in Light Mode */
[data-bs-theme="light"] .modal-backdrop-atero {
    background: rgba(15, 23, 42, 0.45) !important;
}

/* Form inputs in Light Mode */
[data-bs-theme="light"] .atero-input {
    background: #f8fafc !important;
    border-color: #cbd5e1 !important;
    color: #0f172a !important;
}

[data-bs-theme="light"] .atero-input::placeholder {
    color: #94a3b8 !important;
}

/* Dropzone in Light Mode */
[data-bs-theme="light"] .drop-zone-atero {
    background: #f8fafc !important;
    border-color: #cbd5e1 !important;
}

[data-bs-theme="light"] .drop-zone-atero:hover {
    background: rgba(0, 180, 219, 0.04) !important;
    border-color: #00b4db !important;
}