/**
 * UTC Admission System - Custom Stylesheet
 * Ubon Ratchathani Technical College (วิทยาลัยเทคนิคอุบลราชธานี)
 */

@import url('https://fonts.googleapis.com/css2?family=Sarabun:wght@300;400;500;600;700&display=swap');

:root {
    --utc-primary: #0b2545;      /* กรมท่าเข้ม สง่างาม */
    --utc-secondary: #134074;    /* น้ำเงินลึก */
    --utc-accent: #d4af37;       /* ทอง ประจำวิทยาลัย */
    --utc-accent-hover: #b89628;
    --utc-light-bg: #f8fafc;
    --utc-card-shadow: 0 4px 12px rgba(11, 37, 69, 0.08);
}

body {
    font-family: 'Sarabun', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--utc-light-bg);
    color: #334155;
}

/* Navbar */
.navbar-utc {
    background: linear-gradient(135deg, var(--utc-primary) 0%, var(--utc-secondary) 100%);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.navbar-utc .nav-link {
    color: rgba(255, 255, 255, 0.88);
    font-weight: 500;
    transition: all 0.2s ease;
}

.navbar-utc .nav-link:hover, .navbar-utc .nav-link.active {
    color: var(--utc-accent);
}

.btn-utc-gold {
    background-color: var(--utc-accent);
    color: #0b2545;
    font-weight: 600;
    border: none;
}

.btn-utc-gold:hover {
    background-color: var(--utc-accent-hover);
    color: #ffffff;
}

/* Hero Section */
.hero-utc {
    background: linear-gradient(rgba(11, 37, 69, 0.88), rgba(19, 64, 116, 0.92)), url('https://images.unsplash.com/photo-1523240795612-9a054b0db644?auto=format&fit=crop&w=1600&q=80');
    background-size: cover;
    background-position: center;
    color: #ffffff;
    padding: 70px 0;
    border-bottom: 4px solid var(--utc-accent);
}

/* Admission Process Stepper */
.stepper-wrapper {
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
    position: relative;
}

.stepper-item {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
}

.stepper-item::before {
    position: absolute;
    content: "";
    border-bottom: 3px solid #e2e8f0;
    width: 100%;
    top: 20px;
    left: -50%;
    z-index: 2;
}

.stepper-item::after {
    position: absolute;
    content: "";
    border-bottom: 3px solid #e2e8f0;
    width: 100%;
    top: 20px;
    left: 50%;
    z-index: 2;
}

.stepper-item:first-child::before {
    content: none;
}

.stepper-item:last-child::after {
    content: none;
}

.stepper-item .step-counter {
    position: relative;
    z-index: 5;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: #e2e8f0;
    color: #64748b;
    font-weight: 700;
    margin-bottom: 8px;
    border: 3px solid #ffffff;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.stepper-item.completed .step-counter {
    background-color: #10b981;
    color: #ffffff;
}

.stepper-item.completed::after {
    border-bottom-color: #10b981;
}

.stepper-item.active .step-counter {
    background-color: var(--utc-primary);
    color: var(--utc-accent);
    border-color: var(--utc-accent);
}

.stepper-item .step-name {
    font-size: 0.85rem;
    font-weight: 500;
    color: #64748b;
    text-align: center;
}

.stepper-item.active .step-name {
    color: var(--utc-primary);
    font-weight: 700;
}

/* Card Styling */
.card-utc {
    border: none;
    border-radius: 12px;
    box-shadow: var(--utc-card-shadow);
    background: #ffffff;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card-utc:hover {
    box-shadow: 0 8px 24px rgba(11, 37, 69, 0.12);
}

.card-header-utc {
    background: linear-gradient(135deg, var(--utc-primary) 0%, var(--utc-secondary) 100%);
    color: #ffffff;
    border-top-left-radius: 12px !important;
    border-top-right-radius: 12px !important;
    font-weight: 600;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .stepper-item .step-name {
        font-size: 0.75rem;
    }
    .stepper-item .step-counter {
        width: 34px;
        height: 34px;
        font-size: 0.85rem;
    }
    .hero-utc {
        padding: 40px 0;
    }
}