/* ========== CSS Variables & Reset ========== */
:root {
    --bg-primary: #06070d;
    --bg-secondary: #0c0e1a;
    --bg-card: rgba(15, 18, 35, 0.8);
    --bg-card-hover: rgba(20, 24, 45, 0.9);
    --bg-input: rgba(12, 14, 30, 0.9);
    --border-color: rgba(99, 102, 241, 0.15);
    --border-hover: rgba(99, 102, 241, 0.35);
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-primary: #6366f1;
    --accent-secondary: #a855f7;
    --accent-gradient: linear-gradient(135deg, #6366f1, #a855f7);
    --accent-gradient-hover: linear-gradient(135deg, #818cf8, #c084fc);
    --success: #22c55e;
    --error: #ef4444;
    --warning: #f59e0b;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

ul,
ol {
    list-style: none;
}

img {
    max-width: 100%;
}

/* ========== Container ========== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========== Navbar ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(6, 7, 13, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.navbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    transition: var(--transition);
}

.logo:hover {
    opacity: 0.85;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-highlight {
    background: linear-gradient(135deg, #818cf8, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(99, 102, 241, 0.1);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-secondary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ========== Hero ========== */
.hero {
    position: relative;
    padding: 160px 0 100px;
    overflow: hidden;
}

.hero-bg-effects {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
}

.hero-orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.3), transparent 70%);
    top: -100px;
    right: -100px;
    animation: float1 8s ease-in-out infinite;
}

.hero-orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.25), transparent 70%);
    bottom: -50px;
    left: -50px;
    animation: float2 10s ease-in-out infinite;
}

@keyframes float1 {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    50% {
        transform: translate(-30px, 20px) scale(1.1);
    }
}

@keyframes float2 {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    50% {
        transform: translate(20px, -30px) scale(1.05);
    }
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 70%);
}

.hero-content {
    position: relative;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    padding: 6px 18px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    margin-bottom: 24px;
    animation: fadeInDown 0.6s ease;
}

.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    animation: fadeInUp 0.6s ease 0.1s both;
}

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto 32px;
    line-height: 1.7;
    animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 48px;
    animation: fadeInUp 0.6s ease 0.3s both;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    animation: fadeInUp 0.6s ease 0.4s both;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-color);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========== Buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    background: var(--accent-gradient-hover);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
    transform: translateY(-2px);
}

.btn-secondary {
    background: rgba(99, 102, 241, 0.15);
    color: var(--accent-primary);
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.btn-secondary:hover {
    background: rgba(99, 102, 241, 0.25);
    border-color: rgba(99, 102, 241, 0.5);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    color: var(--text-primary);
    border-color: var(--border-hover);
    background: rgba(99, 102, 241, 0.08);
}

.btn-lg {
    padding: 14px 32px;
    font-size: 1rem;
}

.btn-sm {
    padding: 8px 14px;
    font-size: 0.8rem;
}

.btn-block {
    width: 100%;
}

/* ========== Sections ========== */
.section {
    padding: 30px 0;
}

.section-alt {
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 48px;
}

.section-header h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 700;
    margin-bottom: 12px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* ========== Generator Layout (side-by-side) ========== */
.generator-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: stretch;
}

.left-column {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.left-column>.tool-card {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.right-column {
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: sticky;
    top: 92px;
    min-width: 0;
    overflow: hidden;
}

/* Validator section: same height columns but content stays at top */
#validator .generator-layout {
    align-items: stretch;
}

#validator .left-column>.tool-card {
    flex: 1;
}

#validator .tool-card-body {
    justify-content: center;
    gap: 16px;
}

.tool-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.tool-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
}

.tool-card-header {
    display: flex;
    gap: 16px;
    padding: 24px 24px 16px;
}

.tool-card-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.tool-card-header p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.tool-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.tool-icon-generate {
    background: rgba(99, 102, 241, 0.15);
    color: var(--accent-primary);
}

.tool-icon-validate {
    background: rgba(34, 197, 94, 0.15);
    color: var(--success);
}

.tool-card-body {
    padding: 0 24px 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

/* ========== Forms ========== */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.9rem;
    transition: var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-control::placeholder {
    color: var(--text-muted);
}

/* Validator textarea */
.validate-textarea {
    resize: vertical;
    min-height: 120px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.6;
}

/* Scrollable validation results */
#validationResult {
    max-height: 450px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

/* ========== Custom Select (Flag Dropdown) ========== */
.custom-select {
    position: relative;
    width: 100%;
}

.custom-select-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    min-height: 48px;
}

.custom-select-trigger:hover {
    border-color: var(--border-hover);
}

.custom-select.open .custom-select-trigger {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.custom-select-text {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-primary);
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.custom-select-text.placeholder {
    color: var(--text-muted);
}

.custom-select-text img {
    width: 24px;
    height: 16px;
    object-fit: cover;
    border-radius: 2px;
    flex-shrink: 0;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.1);
}

.custom-select-arrow {
    flex-shrink: 0;
    color: var(--text-muted);
    transition: transform 0.2s ease;
}

.custom-select.open .custom-select-arrow {
    transform: rotate(180deg);
}

.custom-select-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    z-index: 100;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
    animation: slideIn 0.15s ease;
    overflow: hidden;
}

.custom-select.open .custom-select-dropdown {
    display: block;
}

.custom-select-search {
    padding: 10px;
    border-bottom: 1px solid var(--border-color);
}

.custom-select-search-input {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.85rem;
    font-family: var(--font);
    outline: none;
    transition: var(--transition);
    box-sizing: border-box;
}

.custom-select-search-input:focus {
    border-color: var(--accent-primary);
}

.custom-select-options {
    max-height: 240px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.custom-select-options::-webkit-scrollbar {
    width: 5px;
}

.custom-select-options::-webkit-scrollbar-track {
    background: transparent;
}

.custom-select-options::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.custom-select-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    cursor: pointer;
    font-size: 0.88rem;
    color: var(--text-secondary);
    transition: background 0.15s ease;
}

.custom-select-option:hover {
    background: rgba(99, 102, 241, 0.1);
    color: var(--text-primary);
}

.custom-select-option.selected {
    background: rgba(99, 102, 241, 0.15);
    color: var(--accent-primary);
    font-weight: 600;
}

.custom-select-option img {
    width: 24px;
    height: 16px;
    object-fit: cover;
    border-radius: 2px;
    flex-shrink: 0;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.1);
}

.custom-select-no-results {
    padding: 16px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group-btn {
    display: flex;
    align-items: flex-end;
}

/* ========== Results Card ========== */
.results-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.results-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.results-header h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.results-actions {
    display: flex;
    gap: 6px;
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.btn-icon:hover {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.btn-icon.copied {
    background: rgba(34, 197, 94, 0.15);
    border-color: rgba(34, 197, 94, 0.3);
    color: var(--success);
}

.btn-icon-danger:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.4);
    color: var(--error);
}

.results-body {
    padding: 24px;
    max-height: 450px;
    overflow-y: auto;
}

.results-body::-webkit-scrollbar {
    width: 6px;
}

.results-body::-webkit-scrollbar-track {
    background: transparent;
}

.results-body::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.results-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}

.results-empty svg {
    margin-bottom: 16px;
    opacity: 0.3;
}

.results-empty p {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.results-empty span {
    font-size: 0.85rem;
}

/* IBAN Result Card (matches original site) */
.iban-card {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    overflow: hidden;
    transition: var(--transition);
    position: relative;
    max-width: 100%;
}

.iban-card-new {
    animation: slideIn 0.3s ease both;
}

.iban-card:hover {
    border-color: var(--border-hover);
}

.iban-card:last-child {
    margin-bottom: 0;
}

.iban-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 18px;
    background: rgba(99, 102, 241, 0.06);
    border-bottom: 1px solid var(--border-color);
}

.iban-card-country {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.iban-valid-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--success);
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.25);
}

.iban-card-body {
    padding: 14px 18px;
}

.iban-card-number {
    font-family: 'Courier New', monospace;
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    color: var(--text-primary);
    margin-bottom: 8px;
    overflow-wrap: break-word;
    word-break: break-all;
}

.iban-card-details {
    display: flex;
    gap: 20px;
    font-size: 0.78rem;
    color: var(--text-muted);
}

.copy-btn {
    position: absolute;
    right: 18px;
    bottom: 16px;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 7px 16px;
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 6px;
    color: var(--text-secondary);
    font-family: var(--font);
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.copy-btn:hover {
    background: rgba(99, 102, 241, 0.2);
    border-color: rgba(99, 102, 241, 0.4);
    color: var(--accent-primary);
}

.copy-btn.copied {
    background: rgba(34, 197, 94, 0.15);
    border-color: rgba(34, 197, 94, 0.3);
    color: var(--success);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========== Inline Validation Result ========== */
.validation-result {
    margin-bottom: 12px;
    padding: 20px;
    border-radius: var(--radius-md);
    animation: slideIn 0.3s ease;
}

.validation-result.valid {
    background: rgba(34, 197, 94, 0.08);
    border: 1px solid rgba(34, 197, 94, 0.25);
}

.validation-result.invalid {
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.25);
}

.validation-result .validation-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 16px;
}

.validation-result .validation-detail:nth-child(n+3) {
    grid-column: 1 / -1;
}

.validation-result .validation-detail {
    background: var(--bg-input);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.validation-result .validation-detail-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    margin-bottom: 4px;
}

.validation-result .validation-detail-value {
    font-size: 0.9rem;
    color: var(--text-primary);
    font-weight: 600;
}

.validation-result .validation-detail-value.mono {
    font-family: 'Courier New', monospace;
    letter-spacing: 1px;
    overflow-wrap: break-word;
    word-break: break-all;
}

.validation-result .validation-error-msg {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    padding: 12px 16px;
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.validation-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.validation-status.valid {
    color: var(--success);
}

.validation-status.invalid {
    color: var(--error);
}

.validation-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.validation-detail {
    font-size: 0.8rem;
}

.validation-detail-label {
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 600;
}

.validation-detail-value {
    color: var(--text-primary);
    font-weight: 500;
    margin-top: 2px;
}

/* ========== Batch Section ========== */
.batch-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.batch-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
}

.batch-tab {
    flex: 1;
    padding: 16px 24px;
    background: none;
    border: none;
    font-family: var(--font);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.batch-tab::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: var(--transition);
}

.batch-tab.active {
    color: var(--text-primary);
}

.batch-tab.active::after {
    transform: scaleX(1);
}

.batch-tab:hover {
    color: var(--text-secondary);
}

.batch-content {
    padding: 24px;
}

.batch-progress {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 16px;
}

.progress-bar {
    flex: 1;
    height: 8px;
    background: var(--bg-input);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 4px;
    width: 0%;
    transition: width 0.3s ease;
}

.batch-result {
    margin-top: 16px;
    padding: 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
}

/* File Upload */
.file-upload {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 24px;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-muted);
}

.file-upload:hover {
    border-color: var(--border-hover);
    background: rgba(99, 102, 241, 0.03);
}

.file-upload p {
    margin-top: 12px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.file-upload span {
    font-size: 0.8rem;
    margin-top: 4px;
}

.file-upload-link {
    color: var(--accent-primary);
    font-weight: 600;
}

/* ========== Steps Grid ========== */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.step-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    text-align: center;
    transition: var(--transition);
    position: relative;
}

.step-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.step-number {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 800;
    color: white;
    margin: 0 auto 16px;
}

.step-card h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.step-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========== Info Grid ========== */
.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.info-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.info-card h2 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.info-card>p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 20px;
    line-height: 1.6;
}

.info-card h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 10px;
    margin-top: 20px;
    color: var(--accent-primary);
}

.info-list li,
.info-list-ordered li {
    padding: 6px 0;
    font-size: 0.88rem;
    color: var(--text-secondary);
    padding-left: 20px;
    position: relative;
}

.info-list li::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-primary);
    position: absolute;
    left: 0;
    top: 13px;
}

.info-list-ordered {
    counter-reset: step;
}

.info-list-ordered li {
    counter-increment: step;
}

.info-list-ordered li::before {
    content: counter(step);
    font-size: 0.7rem;
    font-weight: 700;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent-gradient);
    color: white;
    position: absolute;
    left: 0;
    top: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.error-list li::before {
    background: var(--error);
}

.mini-table {
    margin-top: 8px;
}

.mini-table-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 12px;
    font-size: 0.85rem;
    border-radius: 6px;
    transition: var(--transition);
}

.mini-table-row:nth-child(odd) {
    background: rgba(99, 102, 241, 0.04);
}

.mini-table-row span:first-child {
    color: var(--text-primary);
    font-weight: 500;
}

.mini-table-row span:last-child {
    color: var(--text-muted);
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
}

/* ========== Countries Grid ========== */
.countries-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.country-category {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    text-align: center;
    transition: var(--transition);
}

.country-category:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.country-category-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.country-category h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.country-category p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========== Features Grid ========== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-lg);
    background: var(--accent-gradient);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========== FAQ ========== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--border-hover);
}

.faq-item.active {
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: var(--shadow-glow);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 18px 24px;
    background: var(--bg-card);
    border: none;
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.95rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
}

.faq-question:hover {
    background: var(--bg-card-hover);
}

.faq-chevron {
    flex-shrink: 0;
    color: var(--text-muted);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-chevron {
    transform: rotate(180deg);
    color: var(--accent-primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 24px 18px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========== Specs Grid ========== */
.specs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.spec-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    text-align: center;
    transition: var(--transition);
}

.spec-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.spec-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.spec-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.spec-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ========== Footer ========== */
.footer {
    padding: 64px 0 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.7;
    max-width: 300px;
}

.footer-links h4 {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.footer-links a {
    display: block;
    font-size: 0.88rem;
    color: var(--text-muted);
    padding: 6px 0;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent-primary);
    padding-left: 4px;
}

.footer-bottom {
    padding: 20px 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
    .generator-layout {
        grid-template-columns: 1fr;
    }

    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 68px;
        left: 0;
        right: 0;
        background: rgba(6, 7, 13, 0.97);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 16px;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        padding: 120px 0 70px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-stats {
        gap: 20px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .info-grid,
    .countries-grid,
    .features-grid,
    .specs-grid {
        grid-template-columns: 1fr;
    }

    .steps-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .validation-details {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 50px 0;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

    .iban-card-number {
        font-size: 0.82rem;
        word-break: break-all;
        letter-spacing: 0.5px;
    }

    .iban-card-details {
        flex-direction: column;
        gap: 4px;
    }

    .copy-btn {
        position: relative;
        right: auto;
        bottom: auto;
        margin: 8px 18px 14px;
        width: calc(100% - 36px);
        justify-content: center;
    }
}