/**
 * Screen Presentations - Main Core Stylesheet
 * Architecture & Base Design Tokens
 */

:root {
    --primary-navy: #0B1B3D;
    --primary-navy-dark: #071229;
    --primary-navy-light: #15274E;
    --accent-orange: #FF6A00;
    --accent-orange-hover: #E85D00;
    --accent-blue: #1B52F2;
    --accent-blue-hover: #1342CA;
    --accent-blue-light: #EEF4FE;
    --accent-blue-border: #D0E1FD;
    --accent-teal: #0D9488;
    --accent-teal-bg: #E6FFFA;
    --accent-green: #10B981;
    --accent-green-bg: #ECFDF5;
    --accent-yellow: #F59E0B;
    --accent-yellow-bg: #FEF3C7;
    --accent-purple: #8B5CF6;
    --accent-purple-bg: #F5F3FF;
    --accent-red: #EF4444;
    --accent-red-bg: #FEE2E2;

    --text-heading: #0F172A;
    --text-body: #556177;
    --text-muted: #7E8C9F;
    --text-on-dark: #E2E8F0;

    --bg-white: #FFFFFF;
    --bg-light-blue: #F4F7FC;
    --border-light: #E2E8F0;
    --border-focus: #1B52F2;

    --font-primary: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-secondary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

    --container-max-width: 1240px;
    --header-height: 80px;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 20px -2px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 10px 30px -4px rgba(15, 23, 42, 0.1);
    --shadow-card: 0 8px 30px rgba(15, 23, 42, 0.06);

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-full: 9999px;

    --transition-fast: 0.2s ease;
    --transition-smooth: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-white);
    color: var(--text-body);
    line-height: 1.6;
    font-weight: 400;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.screen-container {
    width: 100%;
    max-width: var(--container-max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-heading);
    font-weight: 700;
    line-height: 1.25;
}

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

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

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

/* Button Component Utilities */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 11px 24px;
    border-radius: var(--radius-full);
    cursor: pointer;
    border: 1px solid transparent;
    transition: all var(--transition-smooth);
    text-align: center;
    white-space: nowrap;
}

.btn-orange {
    background-color: var(--accent-orange);
    color: #FFFFFF;
}

.btn-orange:hover {
    background-color: var(--accent-orange-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(255, 106, 0, 0.35);
}

.btn-blue {
    background-color: var(--accent-blue);
    color: #FFFFFF;
}

.btn-blue:hover {
    background-color: var(--accent-blue-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(27, 82, 242, 0.35);
}

.btn-outline {
    background-color: #FFFFFF;
    color: var(--text-heading);
    border-color: #D1D5DB;
}

.btn-outline:hover {
    background-color: #F8FAFC;
    border-color: #9CA3AF;
    transform: translateY(-2px);
}

/* Badges / Pill Tags */
.badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-pill.blue {
    background: var(--accent-blue-light);
    color: var(--accent-blue);
}

/* Screen Reader Text */
.screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    word-wrap: normal !important;
}