/* =========================================
   BASE.CSS — Variables, Reset, Utilities
   ========================================= */

/* Custom Properties */
:root {
    --color-blue: #2B59C3;
    --color-red: #F5331F;
    --color-dark: #1A1A3A;
    --color-light: #F0F4FF;
    --color-gray: #6B7280;
    --color-border: #E5E7EB;
    --color-white: #FFFFFF;

    --font-base: 'Nunito', sans-serif;

    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    --radius-2xl: 2.5rem;
    --radius-full: 9999px;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.10);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.14);
    --shadow-blue: 0 12px 32px rgba(43, 89, 195, 0.20);

    --transition: all 0.25s ease;

    --max-width: 1200px;
    --section-pad: 5rem;
}

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

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

body {
    font-family: var(--font-base);
    color: var(--color-dark);
    background-color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul,
ol {
    list-style: none;
}

button {
    font-family: var(--font-base);
    cursor: pointer;
}

/* ── Layout Utilities ── */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-pad {
    padding: var(--section-pad) 0;
}

.bg-light {
    background-color: var(--color-light);
}

.bg-dark {
    background-color: var(--color-dark);
    color: var(--color-white);
}

/* ── Grid ── */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 2rem;
}

/* ── Color Helpers ── */
.text-blue {
    color: var(--color-blue);
}

.text-red {
    color: var(--color-red);
}

.text-gray {
    color: var(--color-gray);
}

/* ── Section Heading ── */
.section-head {
    text-align: center;
    margin-bottom: 3rem;
}

.section-head h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 900;
    margin: 0.4rem 0 0.75rem;
}

.section-head p {
    color: var(--color-gray);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ── Badge ── */
.badge {
    display: inline-block;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    padding: 0.3rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-blue);
    margin-bottom: 0.75rem;
}

/* ── Icon Boxes ── */
.icon-box {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.icon-blue {
    background: #DBEAFE;
}

.icon-red {
    background: #FEE2E2;
}

.icon-green {
    background: #D1FAE5;
}

.icon-purple {
    background: #EDE9FE;
}

.icon-orange {
    background: #FFF7ED;
}

.icon-teal {
    background: #CCFBF1;
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 2rem;
    border-radius: var(--radius-md);
    font-family: var(--font-base);
    font-size: 1rem;
    font-weight: 700;
    border: 2px solid transparent;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-blue);
    color: var(--color-white);
}

.btn-primary:hover {
    background: #1e3a8a;
    transform: translateY(-2px);
    box-shadow: var(--shadow-blue);
}

.btn-secondary {
    background: transparent;
    color: var(--color-blue);
    border-color: var(--color-blue);
}

.btn-secondary:hover {
    background: var(--color-blue);
    color: var(--color-white);
}

.btn-danger {
    background: var(--color-red);
    color: var(--color-white);
}

.btn-danger:hover {
    background: #c0280f;
    transform: translateY(-2px);
}

.btn-dark {
    background: var(--color-dark);
    color: var(--color-white);
}

.btn-dark:hover {
    background: #111827;
}

.btn-white {
    background: var(--color-white);
    color: var(--color-dark);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline-white {
    background: transparent;
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline-white:hover {
    background: rgba(255, 255, 255, 0.15);
}

/* ── Inner Page Hero ── */
.inner-hero {
    background: var(--color-dark);
    color: var(--color-white);
    padding: 5rem 0 4rem;
    text-align: center;
}

.inner-hero .badge {
    background: rgba(255, 255, 255, 0.12);
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.25);
}

.inner-hero h1 {
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 900;
    margin: 0.75rem 0;
    line-height: 1.1;
}

.inner-hero p {
    color: rgba(255, 255, 255, 0.70);
    font-size: 1.15rem;
    max-width: 580px;
    margin: 0 auto;
}

/* ── Loading / Spinner ── */
.loading-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem;
    color: var(--color-gray);
}

.spinner {
    width: 3rem;
    height: 3rem;
    border: 4px solid var(--color-border);
    border-top-color: var(--color-blue);
    border-radius: 50%;
    margin: 0 auto 1rem;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ── Utility: hidden ── */
.hidden {
    display: none !important;
}