/* common.css */

/* 1. Root Variables */
:root {
    --color-bg: #ffffff;
    --color-text: #000000;
    --color-black: #000000;
    --color-white: #ffffff;

    --color-primary: #000000;
    --color-secondary: #444444;
    --color-accent: #f5f5f5;

    --transition-fast: 0.3s ease;
    --border-radius: 8px;

    --color-orangered: #ff4500;

    --color-highlight: #ff6b35;
    --color-success: #4caf50;
    --color-slot-bg: #f8f8f8;
    --color-slot-hover: #e3f2fd;
    --color-slot-selected: #bbdefb;

    --g-gap: 18px;
    --card-radius: 14px;
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

/* 2. Global Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

html,
body {
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
    padding-left: 0;
}

/* 3. Container Class */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 4. Button Styles */
.btn {
    display: inline-block;
    padding: 12px 30px;
    font-weight: 500;
    font-size: 14px;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition-fast);
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    background: none;
}

/* Apply consistent appearance to buttons and anchors */
button.btn,
a.btn {
    appearance: none;
    border: none;
    text-decoration: none;
    border: 2px solid var(--color-black);
    font-weight: 700;
}

/* Primary */
.btn-primary {
    background-color: var(--color-primary) !important;
    color: var(--color-white) !important;
    border: 2px solid var(--color-primary);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--color-black);
    border: 2px solid var(--color-black);
}

/* Secondary */
.btn-secondary {
    background-color: var(--color-white);
    color: var(--color-black);
    border: 2px solid var(--color-black);
}

.btn-secondary:hover {
    background-color: var(--color-black);
    color: var(--color-white);
    border: 2px solid var(--color-white);
}

/* Outline */
.btn-outline {
    background-color: transparent;
    color: var(--color-black);
    border: 2px solid var(--color-black);
}

.btn-outline:hover {
    background-color: var(--color-black);
    color: var(--color-white);
}

.btn-danger {
    background-color: transparent;
    color: var(--color-orangered);
    border: 2px solid var(--color-orangered) !important;
}

.btn-danger:hover {
    background-color: var(--color-orangered);
    color: var(--color-white);

}

.main-section {
    margin: 120px 0;
}

.mandatory {
    color: var(--color-orangered);
}

.f-22 {
    font-size: 22px;
}

.h-100vh {
    height: 100vh !important;
}

.h-50vh {
    height: 50vh !important;
}

.center {
    text-align: center;
}

.html-main-section{
    margin: 80px 0;
}