/* GLITCHGUARD LTD - Design System CSS */

/* ============================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================ */
:root {
    /* Colors - Surface */
    --surface: #10131a;
    --surface-dim: #10131a;
    --surface-bright: #363940;
    --surface-container-lowest: #0b0e14;
    --surface-container-low: #191c22;
    --surface-container: #1d2026;
    --surface-container-high: #272a31;
    --surface-container-highest: #32353c;

    /* Colors - On Surface */
    --on-surface: #e1e2eb;
    --on-surface-variant: #b9cacb;
    --inverse-surface: #e1e2eb;
    --inverse-on-surface: #2e3037;
    --outline: #849495;
    --outline-variant: #3b494b;
    --surface-tint: #00dbe9;

    /* Colors - Primary */
    --primary: #dbfcff;
    --on-primary: #00363a;
    --primary-container: #00f0ff;
    --on-primary-container: #006970;
    --inverse-primary: #006970;
    --primary-fixed: #7df4ff;
    --primary-fixed-dim: #00dbe9;
    --on-primary-fixed: #002022;
    --on-primary-fixed-variant: #004f54;

    /* Colors - Secondary */
    --secondary: #d0bcff;
    --on-secondary: #3b0091;
    --secondary-container: #5417be;
    --on-secondary-container: #c0a7ff;
    --secondary-fixed: #e9ddff;
    --secondary-fixed-dim: #d0bcff;
    --on-secondary-fixed: #23005c;
    --on-secondary-fixed-variant: #5417be;

    /* Colors - Tertiary */
    --tertiary: #f7f4ff;
    --on-tertiary: #2c2c53;
    --tertiary-container: #d7d5ff;
    --on-tertiary-container: #5b5a84;
    --tertiary-fixed: #e2dfff;
    --tertiary-fixed-dim: #c3c2f2;
    --on-tertiary-fixed: #17173d;
    --on-tertiary-fixed-variant: #43436b;

    /* Colors - Error */
    --error: #ffb4ab;
    --on-error: #690005;
    --error-container: #93000a;
    --on-error-container: #ffdad6;

    /* Colors - Background */
    --background: #10131a;
    --on-background: #e1e2eb;

    /* Colors - Surface Variant */
    --surface-variant: #32353c;

    /* Typography */
    --font-heading: 'Plus Jakarta Sans', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;

    /* Spacing */
    --spacing-unit: 4px;
    --spacing-gutter: 24px;
    --spacing-margin-mobile: 16px;
    --spacing-margin-desktop: 64px;
    --container-max: 1280px;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ============================================
   BASE STYLES
   ============================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--on-background);
    background-color: var(--background);
    overflow-x: hidden;
}

/* Selection */
::selection {
    background-color: var(--primary-container);
    color: var(--on-primary-container);
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--on-background);
}

.display-lg {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.headline-lg {
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 600;
    line-height: 1.2;
}

.headline-md {
    font-size: 24px;
    font-weight: 600;
    line-height: 1.3;
}

.body-lg {
    font-size: 18px;
    line-height: 1.6;
}

.body-md {
    font-size: 16px;
    line-height: 1.6;
}

.label-md {
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* ============================================
   LAYOUT
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-margin-mobile);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-margin-desktop);
    }
}

.section {
    padding: 80px 0;
}

@media (min-width: 768px) {
    .section {
        padding: 120px 0;
    }
}

/* ============================================
   GLASS CARD
   ============================================ */
.glass-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    pointer-events: none;
}

.glass-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 240, 255, 0.3);
    box-shadow: 0 10px 40px -10px rgba(0, 240, 255, 0.15);
}

.glass-card-static {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
}

/* ============================================
   GRADIENTS
   ============================================ */
.gradient-text {
    background: linear-gradient(135deg, var(--primary-container) 0%, #8a5cf5 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-bg {
    background: linear-gradient(135deg, var(--primary-container) 0%, var(--secondary-container) 100%);
}

.gradient-border {
    position: relative;
    background: var(--surface);
}

.gradient-border::before {
    content: '';
    position: absolute;
    inset: 0;
    padding: 1px;
    background: linear-gradient(135deg, var(--primary-container), var(--secondary-container));
    border-radius: inherit;
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    text-decoration: none;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-container) 0%, var(--secondary-container) 100%);
    color: var(--on-tertiary-fixed);
    box-shadow: 0 4px 20px rgba(0, 240, 255, 0.3);
}

.btn-primary:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(0, 240, 255, 0.4);
}

.btn-primary:active {
    transform: scale(0.98);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-container);
    border: 1px solid var(--primary-container);
}

.btn-secondary:hover {
    background: rgba(0, 240, 255, 0.1);
}

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
    border-radius: var(--radius-lg);
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(16, 19, 26, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    height: 80px;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(16, 19, 26, 0.95);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

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

@media (min-width: 768px) {
    .navbar-inner {
        padding: 0 var(--spacing-margin-desktop);
    }
}

.navbar-brand {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 10px;
}

.navbar-logo {
    height: 32px;
    width: auto;
}

.brand-text {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.02em;
}

@media (max-width: 480px) {
    .brand-text {
        font-size: 16px;
    }
    .navbar-logo {
        height: 26px;
    }
}

.navbar-menu {
    display: none;
    gap: 32px;
    list-style: none;
}

@media (min-width: 1024px) {
    .navbar-menu {
        display: flex;
    }
}

.navbar-link {
    color: var(--on-surface-variant);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-base);
    position: relative;
}

.navbar-link:hover,
.navbar-link.active {
    color: var(--primary);
}

.navbar-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
}

.navbar-cta {
    display: none;
}

@media (min-width: 768px) {
    .navbar-cta {
        display: block;
    }
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

@media (min-width: 1024px) {
    .mobile-menu-toggle {
        display: none;
    }
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--on-surface);
    transition: all var(--transition-base);
}

.mobile-menu {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: rgba(16, 19, 26, 0.98);
    backdrop-filter: blur(20px);
    padding: 24px;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.mobile-menu.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.mobile-menu-link {
    display: block;
    padding: 16px 0;
    color: var(--on-surface);
    text-decoration: none;
    font-size: 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-menu-link:hover,
.mobile-menu-link.active {
    color: var(--primary);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--surface-container-lowest);
    border-top: 1px solid var(--outline-variant);
    padding: 64px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

.footer-brand {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 16px;
}

.footer-description {
    color: var(--on-surface-variant);
    max-width: 300px;
    margin-bottom: 24px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--on-surface-variant);
    text-decoration: none;
    transition: all var(--transition-base);
}

.footer-social-link:hover {
    color: var(--primary);
    border-color: var(--primary);
}

.footer-heading {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--on-surface);
    margin-bottom: 24px;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--on-surface-variant);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: center;
    text-align: center;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.footer-copyright {
    color: var(--on-surface-variant);
    font-size: 14px;
}

.footer-status {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--on-surface-variant);
    font-size: 14px;
}

.footer-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ============================================
   INPUTS
   ============================================ */
.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--on-surface-variant);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--on-surface);
    font-family: var(--font-body);
    font-size: 16px;
    transition: all var(--transition-base);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-container);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--on-surface-variant);
    opacity: 0.5;
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23b9cacb' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 20px;
    padding-right: 48px;
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 20px rgba(0, 240, 255, 0.2); }
    50% { box-shadow: 0 0 40px rgba(0, 240, 255, 0.4); }
}

.animate-fadeInUp {
    animation: fadeInUp 0.8s ease forwards;
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

.animate-marquee {
    animation: marquee 30s linear infinite;
}

.animate-glow {
    animation: glow 2s ease-in-out infinite;
}

/* Scroll Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* ============================================
   SCROLLBAR
   ============================================ */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--background);
}

::-webkit-scrollbar-thumb {
    background: var(--outline-variant);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-container);
}

/* ============================================
   UTILITIES
   ============================================ */
.text-center { text-align: center; }
.text-primary { color: var(--primary-container); }
.text-secondary { color: var(--secondary); }
.text-muted { color: var(--on-surface-variant); }

.mt-4 { margin-top: 16px; }
.mt-8 { margin-top: 32px; }
.mb-4 { margin-bottom: 16px; }
.mb-8 { margin-bottom: 32px; }
.py-4 { padding-top: 16px; padding-bottom: 16px; }
.py-8 { padding-top: 32px; padding-bottom: 32px; }

.grid { display: grid; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.gap-4 { gap: 16px; }
.gap-8 { gap: 32px; }

.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

.overflow-hidden { overflow: hidden; }
.relative { position: relative; }
.absolute { position: absolute; }

/* ============================================
   MATERIAL SYMBOLS
   ============================================ */
.material-symbols-outlined {
    font-family: 'Material Symbols Outlined', 'Material Icons', sans-serif;
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    vertical-align: middle;
    line-height: 1;
}

/* Material Icons fallback for filled icons */
.material-icons {
    font-family: 'Material Icons';
    font-weight: normal;
    font-style: normal;
    font-size: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    vertical-align: middle;
}