/* =========================================
   1. GLOBAL RESET & TYPOGRAPHY
   ========================================= */
:root {
    --primary-gold: #FFB703;
    --bg-dark: #0a0a0a;
    --bg-card: #111111;
    --text-white: #ffffff;
    --text-gray: #cccccc;
    --border-color: #333333;
    --transition-speed: 0.3s;
    --container-width: 1100px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Montserrat', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-white);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
    width: 100%;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-speed);
}

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

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

h1,
h2,
h3 {
    color: var(--primary-gold);
    margin: 0 0 15px;
}

p {
    margin: 0 0 1rem;
    color: var(--text-gray);
}

.text-muted {
    color: #888888;
}

.text-success {
    color: #28a745;
}

.text-error {
    color: #dc3545;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* =========================================
   2. NAVBAR
   ========================================= */
.navbar {
    background-color: #000000;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo-img {
    height: 50px;
    width: auto;
}

.navbar nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.navbar nav ul {
    display: flex;
    gap: 20px;
}

.navbar nav a {
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
}

.navbar nav a:hover,
.navbar nav a:focus-visible {
    color: var(--primary-gold);
}

@media (max-width: 900px) {
    .navbar .container {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .navbar nav {
        width: 100%;
        justify-content: flex-start;
    }

    .navbar nav ul {
        flex-wrap: wrap;
        justify-content: flex-start;
        gap: 16px;
    }
}

/* =========================================
   3. BUTTONS & FORMS
   ========================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 4px;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.9rem;
    cursor: pointer;
    border: none;
    transition: background-color var(--transition-speed), color var(--transition-speed), transform var(--transition-speed);
}

.btn:focus-visible {
    outline: 2px solid var(--primary-gold);
    outline-offset: 3px;
}

.btn-primary {
    background-color: var(--primary-gold);
    color: #000000;
}

.btn-primary:hover {
    background-color: #ffffff;
    color: #000000;
}

.btn-secondary {
    border: 1px solid var(--primary-gold);
    color: var(--primary-gold);
    background: transparent;
}

.btn-secondary:hover {
    background: var(--primary-gold);
    color: #000000;
}

.btn-danger {
    border-color: #dc3545;
    color: #dc3545;
}

.btn-danger:hover {
    background: #dc3545;
    color: #ffffff;
}

.btn[aria-disabled="true"] {
    pointer-events: none;
    opacity: 0.6;
}

input,
label {
    font-family: inherit;
}

input {
    width: 100%;
    padding: 12px 14px;
    background: #222222;
    border: 1px solid #444444;
    color: #ffffff;
    border-radius: 6px;
    transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

input:focus {
    outline: none;
    border-color: var(--primary-gold);
    box-shadow: 0 0 0 4px rgba(255, 183, 3, 0.2);
}

/* =========================================
   4. FOOTER
   ========================================= */

.footer {
    background: #000000;
    border-top: 1px solid var(--border-color);
    padding: 20px 0;
    text-align: center;
    font-size: 0.85rem;
    color: #666666;
}

.footer .container {
    display: flex;
    justify-content: center;
}

/* =========================================
   5. PORTAL SPECIFIC (Cards, Verify, Rewards)
   ========================================= */
.hero-section {
    padding: 80px 20px;
    text-align: center;
}

.hero-section .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 24px;
}

.hero-heading {
    font-size: clamp(2rem, 4vw, 2.75rem);
    line-height: 1.2;
}

.hero-description {
    max-width: 640px;
    color: var(--text-gray);
}

.action-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 30px;
    border-radius: 12px;
    text-align: left;
    transition: transform var(--transition-speed), border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.card:hover {
    border-color: var(--primary-gold);
    transform: translateY(-6px);
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.35);
}

.card.tight {
    width: min(100%, 560px);
    margin: 0 auto;
}

.card.tight form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.card.tight .btn {
    width: 100%;
}

.card small {
    color: var(--text-gray);
    display: block;
    margin-top: 4px;
}

.card-detail {
    margin: 0 0 14px;
    color: var(--text-white);
    font-size: 1rem;
}

.card-detail:last-of-type {
    margin-bottom: 0;
}

.detail-label {
    display: block;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--primary-gold);
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}


.field-label {
    color: var(--primary-gold);
    font-weight: 700;
    letter-spacing: 0.02em;
}

/* Verify Specifics */
.verify-container {
    min-height: 70vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 80px 20px;
}

.verify-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px 32px;
    max-width: 560px;
    width: 100%;
    text-align: center;
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.35);
}

.verify-card h2 {
    margin-bottom: 8px;
}

.verify-card p {
    font-size: 0.95rem;
}

.status-icon {
    font-size: clamp(3rem, 8vw, 4.5rem);
    display: block;
    margin-bottom: 18px;
}

.valid {
    color: #28a745;
    text-shadow: 0 0 15px rgba(40, 167, 69, 0.4);
}

.invalid {
    color: #dc3545;
    text-shadow: 0 0 15px rgba(220, 53, 69, 0.4);
}

.detail-box {
    background: rgba(255, 255, 255, 0.04);
    padding: 24px;
    border-radius: 12px;
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    border-bottom: 1px solid #333333;
    padding-bottom: 10px;
    font-size: 0.95rem;
}

.detail-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.label {
    color: #888888;
}

.value {
    color: #ffffff;
    font-weight: 700;
    text-align: right;
}

.uid-text {
    color: var(--primary-gold);
    font-family: monospace;
    letter-spacing: 0.04em;
}

/* Rewards Specifics */
.results-grid {
    display: grid;
    width: 100%;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.results-grid .card {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.results-grid .card p {
    color: var(--text-white);
}

.results-grid .card small {
    color: var(--text-gray);
}

.status-block {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 16px;
    color: var(--primary-gold);
    font-weight: 600;
    letter-spacing: 0.02em;
}

.status-block .loader {
    margin: 0;
}

.status-text {
    color: var(--primary-gold);
}

/* Loaders */
.loader {
    width: 42px;
    height: 42px;
    border: 4px solid #333333;
    border-top: 4px solid var(--primary-gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 15px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.hidden {
    display: none !important;
}

/* =========================================
   6. RESPONSIVE BREAKPOINTS
   ========================================= */
@media (max-width: 1024px) {
    .hero-section {
        padding: 64px 16px;
    }

    .card {
        padding: 28px;
    }
}

@media (min-width: 768px) {
    .card.tight {
        width: min(100%, 640px);
    }

    .results-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 28px;
    }
}

@media (min-width: 1100px) {
    .card.tight {
        width: min(100%, 720px);
    }

    .results-grid {
        grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .navbar .container {
        padding: 0 16px;
    }

    .hero-section .container {
        gap: 20px;
    }

    .verify-card {
        padding: 32px 24px;
    }

    .detail-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
        text-align: left;
    }

    .value {
        text-align: left;
    }
}

@media (max-width: 540px) {
    .navbar {
        padding: 12px 0;
    }

    .logo-img {
        height: 42px;
    }

    .hero-section {
        padding: 56px 14px;
    }

    .card,
    .verify-card {
        padding: 24px;
        border-radius: 10px;
    }

    .detail-box {
        padding: 18px;
    }

    .action-buttons {
        width: 100%;
    }

    .action-buttons .btn {
        flex: 1 1 100%;
    }
}

@media (max-width: 600px) {
    body {
        background-image: linear-gradient(rgba(10, 10, 10, 0.85), rgba(10, 10, 10, 0.9)), url('assets/mobile-bg.jpg');
        background-size: cover;
        background-repeat: no-repeat;
        background-position: center;
    }
}