/* ========================================
   STUDIOCSY GLOBAL DESIGN SYSTEM
   Dark Blue Glassmorphism Theme
   ======================================== */

:root {
    /* ========================================
     COLOR PALETTE
     ======================================== */

    /* Backgrounds */
    --bg-dark: #FFFFFF;
    --bg-blue: #FFFFFF;
    --bg-blue-light: #F8FAFC;

    /* Primary Colors */
    --primary-blue: #4A8BBE;
    --accent-blue: #6FA3D8;
    --electric-blue: #4A8BBE;

    /* Text Colors */
    --white-soft: rgba(255, 255, 255, 0.85);
    --white-muted: rgba(255, 255, 255, 0.65);
    --white-subtle: rgba(255, 255, 255, 0.45);

    /* Glass Effects */
    --glass-bg: rgba(74, 139, 190, 0.12);
    --glass-bg-strong: rgba(74, 139, 190, 0.18);
    --glass-border: rgba(255, 255, 255, 0.15);
    --glass-border-strong: rgba(255, 255, 255, 0.25);

    /* Shadows & Glows */
    --shadow-soft: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-medium: 0 12px 48px rgba(0, 0, 0, 0.5);
    --shadow-strong: 0 20px 60px rgba(0, 0, 0, 0.6);
    --glow-blue: 0 0 30px rgba(74, 139, 190, 0.3);
    --glow-blue-strong: 0 0 50px rgba(74, 139, 190, 0.5);

    /* ========================================
     SPACING
     ======================================== */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* ========================================
     BORDER RADIUS
     ======================================== */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* ========================================
     TRANSITIONS
     ======================================== */
    --transition-fast: 200ms ease-out;
    --transition-normal: 300ms ease-out;
    --transition-slow: 400ms ease-out;
    --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);

    /* ========================================
     TYPOGRAPHY
     ======================================== */
    --font-primary: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ========================================
   GLOBAL TYPOGRAPHY
   ======================================== */

*,
*::before,
*::after {
    font-family: var(--font-primary);
}

body,
html {
    font-family: var(--font-primary);
    scroll-behavior: smooth;
    font-weight: 400;
}

/* Heading hierarchy: weight 700-800 */
h1 {
    font-family: var(--font-primary);
    font-weight: 800;
}

h2 {
    font-family: var(--font-primary);
    font-weight: 700;
}

h3 {
    font-family: var(--font-primary);
    font-weight: 700;
}

h4,
h5,
h6 {
    font-family: var(--font-primary);
    font-weight: 600;
}

/* Body text: weight 400-500 */
p,
span,
li {
    font-family: var(--font-primary);
    font-weight: 400;
}

a {
    font-family: var(--font-primary);
    font-weight: 500;
}

label {
    font-family: var(--font-primary);
    font-weight: 500;
}

/* Button & CTA: weight 600 */
button {
    font-family: var(--font-primary);
    font-weight: 600;
}

/* Input & Form elements */
input,
textarea,
select {
    font-family: var(--font-primary);
    font-weight: 400;
}

/* ========================================
   GLASSMORPHISM BASE CLASSES
   ======================================== */

.glass {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow: var(--shadow-soft);
}

.glass-strong {
    background: var(--glass-bg-strong);
    border: 1px solid var(--glass-border-strong);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    box-shadow: var(--shadow-medium);
}

.glass-hover {
    transition: all var(--transition-normal);
}

.glass-hover:hover {
    border-color: var(--glass-border-strong);
    box-shadow: var(--shadow-medium), var(--glow-blue);
    transform: scale(1.02);
}

/* ========================================
   GRADIENT BACKGROUNDS
   ======================================== */

.bg-gradient-dark {
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-blue) 50%, var(--bg-blue-light) 100%);
}

.bg-gradient-blue {
    background: linear-gradient(135deg, var(--bg-blue) 0%, var(--bg-blue-light) 100%);
}

/* ========================================
   GLOW EFFECTS
   ======================================== */

.glow-overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(74, 139, 190, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(111, 163, 216, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 1;
}

/* ========================================
   HOVER INTERACTIONS
   ======================================== */

.hover-lift {
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium), var(--glow-blue);
}

.hover-scale {
    transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.hover-scale:hover {
    transform: scale(1.05);
    opacity: 1;
}

.hover-glow {
    transition: box-shadow var(--transition-normal), filter var(--transition-normal);
}

.hover-glow:hover {
    box-shadow: var(--glow-blue-strong);
    filter: brightness(1.1);
}

/* ========================================
   TEXT UTILITIES
   ======================================== */

.text-soft {
    color: var(--white-soft);
}

.text-muted {
    color: var(--white-muted);
}

.text-subtle {
    color: var(--white-subtle);
}

.text-gradient-blue {
    background: linear-gradient(135deg, var(--electric-blue) 0%, var(--accent-blue) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ========================================
   BUTTON UTILITIES
   ======================================== */

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-blue) 100%);
    color: white;
    padding: 12px 32px;
    border-radius: var(--radius-full);
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-soft), var(--glow-blue);
}

.btn-primary:hover {
    transform: scale(1.05) translateY(-2px);
    box-shadow: var(--shadow-strong), var(--glow-blue-strong);
}

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

/* ========================================
   RESPONSIVE UTILITIES
   ======================================== */

@media (max-width: 768px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-2xl: 3rem;
        --spacing-3xl: 4rem;
    }
}