/* Variables */
:root {
    --primary: #DC143C;
    --primary-dark: #b11231;
    --primary-light: #ff1744;
    --black: #000000;
    --white: #ffffff;
    --gray-light: #f8f9fa;
    --gray: #6c757d;
    --border-radius: 0;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--black);
    background-color: var(--white);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--black);
}

.display-3 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.03em;
}

/* Utilities */
.min-vh-60 {
    min-height: 60vh;
}

.text-primary {
    color: var(--primary) !important;
}

.bg-primary {
    background-color: var(--primary) !important;
}

.bg-black {
    background-color: var(--black) !important;
}

.border-primary {
    border-color: var(--primary) !important;
}

/* Buttons */
.btn {
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: var(--transition);
    border: 2px solid transparent;
}

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

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(220, 20, 60, 0.3);
}

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

.btn-white:hover {
    background-color: var(--gray-light);
    border-color: var(--gray-light);
    color: var(--black);
}

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

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

.btn-outline-dark {
    border-color: var(--black);
    color: var(--black);
}

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

.btn-lg {
    padding: 1rem 3rem;
}

/* Navigation */
.navbar {
    background-color: var(--white);
    border-bottom: 2px solid var(--black);
}

.navbar-brand {
    font-size: 1.75rem;
    letter-spacing: -0.02em;
}

/* Hero Section */
.hero-section {
    background: var(--black);
    position: relative;
    overflow: hidden;
}

.hero-content {
    z-index: 2;
    position: relative;
}

.display-2 {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 900;
    letter-spacing: -0.04em;
    line-height: 0.9;
}

.hero-visual {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    position: relative;
    min-height: 100vh;
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.1;
    background-image:
            repeating-linear-gradient(45deg, transparent, transparent 35px, rgba(255,255,255,.1) 35px, rgba(255,255,255,.1) 70px),
            repeating-linear-gradient(-45deg, transparent, transparent 35px, rgba(255,255,255,.05) 35px, rgba(255,255,255,.05) 70px);
    animation: pattern-move 20s linear infinite;
}

@keyframes pattern-move {
    0% { transform: translate(0, 0); }
    100% { transform: translate(70px, 70px); }
}

.hero-stats {
    position: absolute;
    bottom: 10%;
    left: 10%;
    right: 10%;
    display: flex;
    justify-content: space-around;
    gap: 2rem;
}

.stat-item {
    text-align: center;
    color: var(--white);
}

.stat-number {
    font-size: clamp(2.5rem, 4vw, 4rem);
    font-weight: 900;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.8;
}

.badge {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    border-radius: 0;
}

/* Mobile Hero */
@media (max-width: 991px) {
    .hero-visual {
        min-height: 300px;
        order: -1;
    }

    .hero-content {
        text-align: center;
        padding: 3rem 1.5rem !important;
    }

    .display-2 {
        font-size: 2.5rem;
    }

    .hero-stats {
        position: relative;
        bottom: auto;
        left: auto;
        right: auto;
        padding: 2rem 0;
        background: rgba(0,0,0,0.5);
    }

    .stat-number {
        font-size: 2rem;
    }
}

/* Selection Cards */
.selection-card {
    display: block;
    cursor: pointer;
    height: 100%;
}

.selection-card input:checked + .card-content {
    background-color: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.selection-card input:checked + .card-content .text-muted {
    color: rgba(255, 255, 255, 0.8) !important;
}

.selection-card input:checked + .card-content .text-primary {
    color: var(--white) !important;
}

.card-content {
    border: 2px solid var(--black);
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
    height: 100%;
    background: var(--white);
}

.card-content:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

/* Form Sections */
.form-section {
    padding: 2rem 0;
}

/* Form Controls */
.form-control,
.form-select {
    border: 2px solid var(--black);
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    transition: var(--transition);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 0.25rem rgba(220, 20, 60, 0.25);
}

.form-control-lg {
    padding: 1rem 1.25rem;
    font-size: 1.125rem;
}

/* Accordion */
.accordion-item {
    border: none;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    background: transparent;
}

.accordion-button {
    background-color: transparent;
    color: var(--black);
    font-weight: 600;
    padding: 1.5rem 0;
    border: none;
    box-shadow: none;
}

.accordion-button:not(.collapsed) {
    background-color: transparent;
    color: var(--primary);
}

.accordion-button:focus {
    box-shadow: none;
}

.accordion-button::after {
    background-image: none;
    content: "+";
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--primary);
}

.accordion-button:not(.collapsed)::after {
    content: "−";
}

/* Footer */
footer {
    border-top: 4px solid var(--primary);
}

footer a:hover {
    opacity: 1 !important;
}

/* Form Validation */
.was-validated .form-control:invalid,
.was-validated .form-select:invalid {
    border-color: var(--primary);
}

.invalid-feedback {
    color: var(--primary);
}

/* Loading State */
.btn-loading {
    position: relative;
    color: transparent !important;
}

.btn-loading::after {
    content: "";
    position: absolute;
    width: 1.25rem;
    height: 1.25rem;
    top: 50%;
    left: 50%;
    margin-left: -0.625rem;
    margin-top: -0.625rem;
    border: 2px solid var(--white);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spinner 0.8s linear infinite;
}

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

/* Responsive */
@media (max-width: 768px) {
    .display-3 {
        font-size: 2rem;
    }

    .card-content {
        padding: 1rem;
    }

    .selection-card .bi {
        font-size: 1.5rem !important;
    }

    .btn {
        padding: 0.75rem 1.5rem;
    }

    .btn-lg {
        padding: 0.875rem 2rem;
    }
}

/* Print */
@media print {
    .no-print {
        display: none !important;
    }
}

/* Accessibility */
*:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.btn:focus,
.form-control:focus,
.accordion-button:focus {
    outline: none;
}

/* Additional Styles */
hr {
    border: none;
    border-top: 2px solid var(--black);
    opacity: 0.1;
}