@charset "utf-8";

/* ============================================
   텔레그램 2단계 인증 가이드
   접두사: tg-2fa- (기존 사이트 오염 방지)
   CSS 변수 접두사: --tg2f-
   컬러 톤: 크림슨 레드(Crimson) + 다크 네이비(Navy)
============================================ */

:root {
    --tg2f-crimson: #dc2626;
    --tg2f-crimson-dark: #b91c1c;
    --tg2f-crimson-deep: #7f1d1d;
    --tg2f-crimson-light: #fef2f2;
    --tg2f-crimson-border: #fca5a5;
    --tg2f-navy: #1e3a5f;
    --tg2f-navy-dark: #172554;
    --tg2f-navy-light: #eff6ff;
    --tg2f-navy-border: #93c5fd;
    --tg2f-green: #16a34a;
    --tg2f-green-light: #f0fdf4;
    --tg2f-green-border: #86efac;
    --tg2f-slate-900: #0f172a;
    --tg2f-slate-700: #334155;
    --tg2f-slate-500: #64748b;
    --tg2f-slate-300: #cbd5e1;
    --tg2f-slate-200: #e2e8f0;
    --tg2f-slate-100: #f1f5f9;
    --tg2f-bg: #fafbfe;
    --tg2f-white: #ffffff;
    --tg2f-radius: 14px;
}

/* ─── 래퍼 ─── */
.tg-2fa-wrapper {
    max-width: 1100px;
    margin: 0 auto;
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    color: var(--tg2f-slate-500);
    background-color: var(--tg2f-bg);
    box-sizing: border-box;
    line-height: 1.7;
    overflow: hidden;
    padding-bottom: 60px;
}

.tg-2fa-wrapper *,
.tg-2fa-wrapper *::before,
.tg-2fa-wrapper *::after {
    box-sizing: inherit;
    margin: 0;
    padding: 0;
}

.tg-2fa-wrapper strong {
    font-weight: 700;
    color: var(--tg2f-slate-900);
}

.tg-2fa-wrapper mark {
    background: linear-gradient(120deg, var(--tg2f-crimson-light) 0%, #fecaca 100%);
    color: var(--tg2f-crimson-deep);
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
}

/* ─── 히어로 ─── */
.tg-2fa-hero {
    background: linear-gradient(145deg, #172554 0%, #1e3a5f 30%, #374151 60%, #4b5563 100%);
    color: var(--tg2f-white);
    padding: 60px 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.tg-2fa-hero::before {
    content: "";
    position: absolute;
    width: 360px;
    height: 360px;
    border: 60px solid rgba(220, 38, 38, 0.05);
    border-radius: 50%;
    top: -100px;
    right: -100px;
}

.tg-2fa-hero::after {
    content: "";
    position: absolute;
    width: 220px;
    height: 220px;
    border: 40px solid rgba(252, 165, 165, 0.03);
    border-radius: 50%;
    bottom: -60px;
    left: -50px;
}

.tg-2fa-hero__floating {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 0;
}

.tg-2fa-hero__float-icon {
    position: absolute;
    font-size: 28px;
    opacity: 0.15;
    animation: tg-2fa-float 6s ease-in-out infinite;
}

.tg-2fa-hero__float-icon i {
    color: rgba(255, 255, 255, 0.9);
}

.tg-2fa-hero__float-icon--1 {
    top: 14%;
    left: 8%;
    animation-delay: 0s;
}

.tg-2fa-hero__float-icon--2 {
    top: 20%;
    right: 12%;
    animation-delay: 1s;
    font-size: 24px;
}

.tg-2fa-hero__float-icon--3 {
    bottom: 22%;
    left: 15%;
    animation-delay: 2s;
}

.tg-2fa-hero__float-icon--4 {
    bottom: 16%;
    right: 8%;
    animation-delay: 3s;
    font-size: 22px;
}

.tg-2fa-hero__float-icon--5 {
    top: 55%;
    left: 4%;
    animation-delay: 4s;
    font-size: 20px;
}

.tg-2fa-hero__float-icon--6 {
    top: 10%;
    right: 30%;
    animation-delay: 5s;
    font-size: 18px;
}

@keyframes tg-2fa-float {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    50% {
        transform: translateY(-12px) rotate(8deg);
    }
}

.tg-2fa-hero__inner {
    position: relative;
    z-index: 1;
}

.tg-2fa-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(220, 38, 38, 0.15);
    color: var(--tg2f-crimson-border);
    font-size: 14px;
    font-weight: 700;
    padding: 8px 20px;
    border-radius: 100px;
    margin-bottom: 22px;
    border: 1px solid rgba(252, 165, 165, 0.2);
    backdrop-filter: blur(4px);
}

.tg-2fa-hero__badge i {
    font-size: 16px;
}

.tg-2fa-hero__title {
    font-size: 28px;
    font-weight: 900;
    line-height: 1.35;
    margin-bottom: 18px;
    color: var(--tg2f-white);
}

.tg-2fa-hero__desc {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.6);
    max-width: 620px;
    margin: 0 auto;
}

/* ─── 메인 ─── */
.tg-2fa-main {
    padding: 30px 20px 0;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

/* ─── 도입부 ─── */
.tg-2fa-intro {
    background-color: var(--tg2f-white);
    padding: 28px 24px;
    border-radius: var(--tg2f-radius);
    border-left: 4px solid var(--tg2f-crimson);
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.04);
}

.tg-2fa-intro p {
    font-size: 16px;
    margin-bottom: 14px;
}

.tg-2fa-intro p:last-child {
    margin-bottom: 0;
}

/* ─── 섹션 공통 ─── */
.tg-2fa-section {
    background-color: var(--tg2f-white);
    padding: 34px 24px;
    border-radius: var(--tg2f-radius);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    border: 1px solid var(--tg2f-slate-200);
}

.tg-2fa-section--accent {
    background: linear-gradient(135deg, var(--tg2f-navy-light) 0%, #dbeafe40 100%);
    border-color: var(--tg2f-navy-border);
}

.tg-2fa-section--dark {
    background: linear-gradient(135deg, var(--tg2f-slate-900) 0%, #1e293b 100%);
    border-color: var(--tg2f-slate-700);
    color: var(--tg2f-slate-300);
}

.tg-2fa-section--demo {
    background: linear-gradient(135deg, var(--tg2f-crimson-light) 0%, #fecaca40 50%, #fee2e240 100%);
    border-color: var(--tg2f-crimson-border);
}

.tg-2fa-section__head {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 16px;
}

.tg-2fa-section__num {
    font-size: 38px;
    font-weight: 900;
    color: var(--tg2f-crimson);
    opacity: 0.2;
    line-height: 1;
    flex-shrink: 0;
}

.tg-2fa-section__num--accent {
    opacity: 0.25;
}

.tg-2fa-section__tip-icon {
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--tg2f-crimson) 0%, #ef4444 100%);
    color: var(--tg2f-white);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.tg-2fa-section__title {
    font-size: 20px;
    font-weight: 800;
    color: var(--tg2f-slate-900);
    line-height: 1.35;
    padding-top: 6px;
}

.tg-2fa-section__title--light {
    color: var(--tg2f-white);
}

.tg-2fa-section__desc {
    font-size: 16px;
    margin-bottom: 24px;
}

/* ─── 비교 카드 ─── */
.tg-2fa-compare-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
}

.tg-2fa-compare-card {
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--tg2f-slate-200);
    background-color: var(--tg2f-white);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.tg-2fa-compare-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.tg-2fa-compare-card__header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.tg-2fa-compare-card__icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.tg-2fa-compare-card--before .tg-2fa-compare-card__icon {
    background: linear-gradient(135deg, var(--tg2f-slate-100) 0%, #e2e8f0 100%);
    color: var(--tg2f-slate-500);
    border: 1px solid var(--tg2f-slate-200);
}

.tg-2fa-compare-card--after .tg-2fa-compare-card__icon {
    background: linear-gradient(135deg, var(--tg2f-green) 0%, #22c55e 100%);
    color: var(--tg2f-white);
}

.tg-2fa-compare-card--after {
    border-color: var(--tg2f-green-border);
    background: var(--tg2f-green-light);
}

.tg-2fa-compare-card__title {
    font-size: 16px;
    font-weight: 800;
    color: var(--tg2f-slate-900);
    flex: 1;
}

.tg-2fa-compare-card__badge {
    font-size: 11px;
    font-weight: 800;
    color: var(--tg2f-white);
    background: linear-gradient(135deg, var(--tg2f-green) 0%, #15803d 100%);
    padding: 3px 10px;
    border-radius: 100px;
}

.tg-2fa-compare-card__flow {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
    font-size: 12px;
}

.tg-2fa-compare-card__flow>i {
    font-size: 10px;
    color: var(--tg2f-slate-300);
}

.tg-2fa-compare-card__step {
    padding: 5px 10px;
    border-radius: 6px;
    background-color: var(--tg2f-slate-100);
    color: var(--tg2f-slate-700);
    font-weight: 600;
    white-space: nowrap;
}

.tg-2fa-compare-card__step--extra {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: #92400e;
    border: 1px solid #fbbf24;
}

.tg-2fa-compare-card__step--done {
    background: linear-gradient(135deg, var(--tg2f-green-light) 0%, #dcfce7 100%);
    color: var(--tg2f-green);
}

.tg-2fa-compare-card__warn {
    font-size: 13px;
    color: var(--tg2f-crimson-dark);
    font-weight: 600;
}

.tg-2fa-compare-card__warn i {
    margin-right: 4px;
}

.tg-2fa-compare-card__safe {
    font-size: 13px;
    color: var(--tg2f-green);
    font-weight: 600;
}

.tg-2fa-compare-card__safe i {
    margin-right: 4px;
}

/* ─── 스텝 카드 ─── */
.tg-2fa-steps {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.tg-2fa-step {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background-color: var(--tg2f-white);
    border: 1px solid var(--tg2f-slate-200);
    border-radius: 12px;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.tg-2fa-step:hover {
    transform: translateX(4px);
    box-shadow: 0 4px 14px rgba(220, 38, 38, 0.08);
}

.tg-2fa-step__icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--tg2f-navy) 0%, var(--tg2f-navy-dark) 100%);
    color: var(--tg2f-white);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.tg-2fa-step__body {
    flex: 1;
}

.tg-2fa-step__num {
    font-size: 11px;
    font-weight: 800;
    color: var(--tg2f-crimson);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 2px;
}

.tg-2fa-step__title {
    font-size: 16px;
    font-weight: 800;
    color: var(--tg2f-slate-900);
    margin-bottom: 4px;
}

.tg-2fa-step__text {
    font-size: 14px;
    line-height: 1.6;
}

.tg-2fa-step__text i {
    font-size: 10px;
    color: var(--tg2f-crimson-border);
    margin: 0 4px;
}

/* ─── 2FA 데모 ─── */
.tg-2fa-demo {
    background-color: var(--tg2f-white);
    border-radius: 12px;
    padding: 28px 24px;
    border: 1px solid var(--tg2f-crimson-border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

/* 진행 상태 바 */
.tg-2fa-demo__progress {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: 28px;
}

.tg-2fa-demo__progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

.tg-2fa-demo__progress-num {
    width: 32px;
    height: 32px;
    background-color: var(--tg2f-slate-100);
    color: var(--tg2f-slate-300);
    border-radius: 50%;
    font-size: 13px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--tg2f-slate-200);
    transition: all 0.3s ease;
}

.tg-2fa-demo__progress-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--tg2f-slate-300);
    transition: color 0.3s ease;
}

.tg-2fa-demo__progress-step--active .tg-2fa-demo__progress-num {
    background: linear-gradient(135deg, var(--tg2f-crimson) 0%, #ef4444 100%);
    color: var(--tg2f-white);
    border-color: var(--tg2f-crimson);
}

.tg-2fa-demo__progress-step--active .tg-2fa-demo__progress-label {
    color: var(--tg2f-crimson);
}

.tg-2fa-demo__progress-step--done .tg-2fa-demo__progress-num {
    background: linear-gradient(135deg, var(--tg2f-green) 0%, #22c55e 100%);
    color: var(--tg2f-white);
    border-color: var(--tg2f-green);
}

.tg-2fa-demo__progress-step--done .tg-2fa-demo__progress-label {
    color: var(--tg2f-green);
}

.tg-2fa-demo__progress-line {
    flex: 1;
    height: 2px;
    max-width: 60px;
    background-color: var(--tg2f-slate-200);
    margin: 0 8px;
    margin-bottom: 18px;
    transition: background-color 0.3s ease;
}

.tg-2fa-demo__progress-line--done {
    background-color: var(--tg2f-green);
}

/* 패널 */
.tg-2fa-demo__panel {
    display: none;
    animation: tg-2fa-panel-in 0.4s ease;
}

.tg-2fa-demo__panel--active {
    display: block;
}

@keyframes tg-2fa-panel-in {
    from {
        opacity: 0;
        transform: translateX(20px);
    }

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

.tg-2fa-demo__panel-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--tg2f-navy) 0%, var(--tg2f-navy-dark) 100%);
    color: var(--tg2f-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin: 0 auto 16px;
}

.tg-2fa-demo__panel-icon--success {
    background: linear-gradient(135deg, var(--tg2f-green) 0%, #22c55e 100%);
}

.tg-2fa-demo__panel-title {
    font-size: 18px;
    font-weight: 800;
    color: var(--tg2f-slate-900);
    text-align: center;
    margin-bottom: 8px;
}

.tg-2fa-demo__panel-desc {
    font-size: 14px;
    text-align: center;
    margin-bottom: 20px;
    color: var(--tg2f-slate-500);
}

/* 필드 */
.tg-2fa-demo__field {
    margin-bottom: 14px;
}

.tg-2fa-demo__field-label {
    display: block;
    font-size: 13px;
    font-weight: 700;
    color: var(--tg2f-slate-700);
    margin-bottom: 6px;
}

.tg-2fa-demo__field-input-wrap {
    display: flex;
    position: relative;
}

.tg-2fa-demo__field-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--tg2f-slate-200);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    color: var(--tg2f-slate-900);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    background-color: var(--tg2f-white);
}

.tg-2fa-demo__field-input:focus {
    outline: none;
    border-color: var(--tg2f-crimson);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.tg-2fa-demo__field-input::placeholder {
    color: var(--tg2f-slate-300);
}

.tg-2fa-demo__field-input-wrap .tg-2fa-demo__field-input {
    padding-right: 48px;
}

.tg-2fa-demo__eye-btn {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    border: none;
    background: none;
    color: var(--tg2f-slate-300);
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: color 0.2s ease;
    font-family: inherit;
}

.tg-2fa-demo__eye-btn:hover {
    color: var(--tg2f-slate-500);
}

/* 비밀번호 강도 */
.tg-2fa-demo__strength {
    margin-bottom: 16px;
}

.tg-2fa-demo__strength-bar {
    height: 4px;
    background-color: var(--tg2f-slate-100);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 4px;
}

.tg-2fa-demo__strength-fill {
    height: 100%;
    width: 0;
    border-radius: 2px;
    transition: width 0.3s ease, background-color 0.3s ease;
}

.tg-2fa-demo__strength-text {
    font-size: 11px;
    font-weight: 600;
}

/* 다음 버튼 */
.tg-2fa-demo__next-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--tg2f-crimson) 0%, var(--tg2f-crimson-dark) 100%);
    color: var(--tg2f-white);
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.tg-2fa-demo__next-btn:hover {
    box-shadow: 0 6px 20px rgba(220, 38, 38, 0.3);
    transform: translateY(-2px);
}

/* 에러 메시지 */
.tg-2fa-demo__error {
    font-size: 13px;
    color: var(--tg2f-crimson);
    font-weight: 600;
    margin-top: 10px;
    text-align: center;
    display: none;
}

.tg-2fa-demo__error--visible {
    display: block;
}

/* 완료 정보 */
.tg-2fa-demo__complete-info {
    padding: 20px;
    background-color: var(--tg2f-green-light);
    border: 1px solid var(--tg2f-green-border);
    border-radius: 10px;
    margin-bottom: 16px;
}

.tg-2fa-demo__complete-row {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    margin-bottom: 8px;
    color: var(--tg2f-slate-700);
}

.tg-2fa-demo__complete-row:last-child {
    margin-bottom: 0;
}

.tg-2fa-demo__complete-row i {
    color: var(--tg2f-green);
    font-size: 14px;
    width: 18px;
    text-align: center;
}

.tg-2fa-demo__complete-row strong {
    color: var(--tg2f-slate-900);
}

/* 리셋 버튼 */
.tg-2fa-demo__reset-btn {
    width: 100%;
    padding: 12px;
    background-color: var(--tg2f-slate-100);
    color: var(--tg2f-slate-500);
    border: 1px solid var(--tg2f-slate-200);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.tg-2fa-demo__reset-btn:hover {
    background-color: var(--tg2f-slate-200);
    color: var(--tg2f-slate-700);
}

/* ─── 직장인 팁 ─── */
.tg-2fa-tips {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
}

.tg-2fa-tip {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(252, 165, 165, 0.12);
    padding: 22px;
    border-radius: 10px;
    position: relative;
}

.tg-2fa-tip__number {
    position: absolute;
    top: -10px;
    left: 18px;
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--tg2f-crimson) 0%, #ef4444 100%);
    color: var(--tg2f-white);
    font-weight: 900;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.tg-2fa-tip__title {
    font-size: 16px;
    font-weight: 700;
    color: var(--tg2f-white);
    margin-bottom: 8px;
    padding-top: 6px;
}

.tg-2fa-tip__title i {
    color: var(--tg2f-crimson-border);
    margin-right: 4px;
}

.tg-2fa-tip__text {
    font-size: 14px;
    color: var(--tg2f-slate-300);
}

.tg-2fa-tip__text strong {
    color: var(--tg2f-white);
}

/* ─── 결론 및 요약 ─── */
.tg-2fa-summary {
    background: linear-gradient(135deg, #172554 0%, #1e3a5f 50%, #374151 100%);
    color: var(--tg2f-white);
    padding: 44px 28px;
    border-radius: var(--tg2f-radius);
    text-align: center;
    box-shadow: 0 10px 30px rgba(23, 37, 84, 0.4);
}

.tg-2fa-summary__title {
    font-size: 24px;
    font-weight: 800;
    color: var(--tg2f-white);
    margin-bottom: 20px;
}

.tg-2fa-summary__body p {
    font-size: 16px;
    margin-bottom: 14px;
    color: var(--tg2f-navy-border);
}

.tg-2fa-summary strong {
    color: var(--tg2f-white);
}

.tg-2fa-summary__highlights {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    margin: 24px 0;
}

.tg-2fa-summary__highlight {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 16px 12px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(252, 165, 165, 0.12);
    border-radius: 10px;
}

.tg-2fa-summary__highlight-icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--tg2f-crimson) 0%, #ef4444 100%);
    color: var(--tg2f-white);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.tg-2fa-summary__highlight strong {
    font-size: 13px;
    color: var(--tg2f-white);
}

.tg-2fa-summary__highlight span {
    font-size: 11px;
    color: var(--tg2f-navy-border);
    text-align: center;
}

.tg-2fa-summary__checklist {
    list-style: none;
    display: inline-block;
    text-align: left;
    background-color: rgba(255, 255, 255, 0.05);
    padding: 24px 32px;
    border-radius: 12px;
    margin: 0 0 24px;
}

.tg-2fa-summary__checklist li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 10px;
    font-size: 15px;
    color: #93c5fd;
}

.tg-2fa-summary__checklist li:last-child {
    margin-bottom: 0;
}

.tg-2fa-summary__checklist li::before {
    content: "\f00c";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    left: 0;
    top: 2px;
    font-size: 13px;
    color: var(--tg2f-crimson-border);
}

.tg-2fa-summary__checklist strong {
    color: var(--tg2f-white);
}

.tg-2fa-summary__footer {
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 14px;
    color: var(--tg2f-navy-border);
    line-height: 1.8;
}

.tg-2fa-summary__footer strong {
    color: var(--tg2f-white);
}

/* ============================================
   반응형
============================================ */
@media (min-width: 768px) {
    .tg-2fa-hero {
        padding: 80px 40px;
    }

    .tg-2fa-hero__title {
        font-size: 38px;
    }

    .tg-2fa-main {
        padding: 40px 36px 0;
        gap: 40px;
    }

    .tg-2fa-intro {
        padding: 36px 32px;
    }

    .tg-2fa-section {
        padding: 40px 36px;
    }

    .tg-2fa-section__title {
        font-size: 24px;
    }

    .tg-2fa-section__num {
        font-size: 44px;
    }

    .tg-2fa-compare-cards {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .tg-2fa-summary__highlights {
        grid-template-columns: repeat(3, 1fr);
    }

    .tg-2fa-summary {
        padding: 56px 44px;
    }

    .tg-2fa-demo {
        padding: 36px 32px;
    }
}

@media (min-width: 1024px) {
    .tg-2fa-hero__title {
        font-size: 44px;
    }

    .tg-2fa-main {
        gap: 46px;
    }
}

/* ============================================
   스크롤 등장 애니메이션
============================================ */
.tg-2fa-motion {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

.tg-2fa-motion.is-visible {
    opacity: 1;
    transform: translateY(0);
}