/* ========================================
   BASE STYLES - MINIMAL & CLEAN
   ======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font);
    background: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    transition: background 0.3s, color 0.3s;
    overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--fw-bold);
    line-height: 1.3;
    color: var(--text-primary);
}

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

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

/* ===== CONTAINER ===== */
.container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 var(--s-4);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--s-2);
    padding: var(--s-3) var(--s-6);
    border: none;
    border-radius: var(--r-md);
    font-family: var(--font);
    font-size: var(--text-base);
    font-weight: var(--fw-semibold);
    cursor: pointer;
    transition: all var(--tr-base);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

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

.btn-ghost {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.btn-ghost:hover {
    background: var(--gray-200);
}

/* ===== CARDS ===== */
.card {
    background: var(--bg-card);
    border-radius: var(--r-lg);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: all var(--tr-base);
}

.card:hover {
    border-color: var(--border-dark);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

/* ===== SECTION ===== */
.section {
    padding: var(--s-12) 0;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--s-8);
}

.section-title {
    display: flex;
    align-items: center;
    gap: var(--s-3);
    font-size: var(--text-3xl);
    font-weight: var(--fw-black);
    color: var(--text-primary);
}

.section-title i {
    color: var(--primary);
    font-size: var(--text-2xl);
}

/* ===== BADGE ===== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--s-2);
    padding: var(--s-2) var(--s-4);
    border-radius: var(--r-full);
    font-size: var(--text-sm);
    font-weight: var(--fw-semibold);
}

.badge-primary {
    background: #FFF3E0;
    color: var(--primary);
}

/* ===== GRID ===== */
.grid-1 {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--s-4);
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--s-6);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--s-6);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--s-6);
}

/* ===== PRELOADER ===== */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-body);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.3s;
}

.preloader.hidden {
    opacity: 0;
    pointer-events: none;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ===== SCROLL PROGRESS ===== */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--primary);
    z-index: var(--z-fixed);
    transition: width 0.1s;
}

/* ===== UTILITIES ===== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.d-none { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }

.mt-4 { margin-top: var(--s-4); }
.mt-8 { margin-top: var(--s-8); }
.mb-4 { margin-bottom: var(--s-4); }
.mb-8 { margin-bottom: var(--s-8); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1200px) {
    .grid-4 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 992px) {
    .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .section-title { font-size: var(--text-2xl); }
}

@media (max-width: 768px) {
    .container { 
        padding: 0 var(--s-4); 
        max-width: 100%; 
        width: 100%;
        /* overflow-x: hidden; */
    }
    .grid-1 { 
        gap: var(--s-3);
        width: 100%;
        grid-template-columns: 1fr;
    }
    .grid-2, .grid-3, .grid-4 { 
        grid-template-columns: 1fr;
        width: 100%;
    }
    .section { padding: var(--s-8) 0; }
    .section-header { flex-direction: column; align-items: flex-start; gap: var(--s-4); }
    .d-md-none { display: none !important; }
    .d-md-flex { display: flex !important; }
}

@media (min-width: 769px) {
    .d-lg-none { display: none !important; }
    .d-lg-flex { display: flex !important; }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: var(--r-full);
}

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

::selection {
    background: var(--primary);
    color: white;
}