@charset "utf-8";

/* ============================================
   텔레그램 맞춤 알림음 설정 가이드
   접두사: tg-snd- (기존 사이트 오염 방지)
   CSS 변수 접두사: --tgsn-
   컬러 톤: 웜 앰버(Warm Amber) + 딥 플럼(Deep Plum)
============================================ */

:root {
    --tgsn-amber: #f59e0b;
    --tgsn-amber-dark: #d97706;
    --tgsn-amber-deep: #b45309;
    --tgsn-amber-light: #fffbeb;
    --tgsn-amber-border: #fbbf24;
    --tgsn-plum: #7e22ce;
    --tgsn-plum-dark: #6b21a8;
    --tgsn-plum-light: #faf5ff;
    --tgsn-plum-border: #a855f7;
    --tgsn-slate-900: #0f172a;
    --tgsn-slate-700: #334155;
    --tgsn-slate-500: #64748b;
    --tgsn-slate-300: #cbd5e1;
    --tgsn-slate-200: #e2e8f0;
    --tgsn-slate-100: #f1f5f9;
    --tgsn-bg: #fffbeb;
    --tgsn-white: #ffffff;
    --tgsn-green: #22c55e;
    --tgsn-red: #ef4444;
    --tgsn-radius: 14px;
}

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

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

.tg-snd-wrapper strong {
    font-weight: 700;
    color: var(--tgsn-slate-900);
}

.tg-snd-wrapper mark {
    background: linear-gradient(120deg, var(--tgsn-amber-light) 0%, #fbbf2460 100%);
    color: var(--tgsn-amber-deep);
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
}

/* ─── 히어로 ─── */
.tg-snd-hero {
    background: linear-gradient(145deg, #2e1065 0%, #581c87 20%, #7e22ce 45%, #fbbf24 85%, #f59e0b 100%);
    color: var(--tgsn-white);
    padding: 60px 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.tg-snd-hero::before {
    content: "";
    position: absolute;
    width: 360px;
    height: 360px;
    border: 60px solid rgba(126, 34, 206, 0.06);
    border-radius: 50%;
    top: -100px;
    right: -100px;
}

.tg-snd-hero::after {
    content: "";
    position: absolute;
    width: 220px;
    height: 220px;
    border: 40px solid rgba(245, 158, 11, 0.04);
    border-radius: 50%;
    bottom: -60px;
    left: -50px;
}

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

.tg-snd-hero__float-icon {
    position: absolute;
    font-size: 28px;
    opacity: 0.12;
    animation: tg-snd-float 6s ease-in-out infinite;
}

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

.tg-snd-hero__float-icon--1 {
    top: 14%;
    left: 8%;
    animation-delay: 0s;
    font-size: 32px;
}

.tg-snd-hero__float-icon--2 {
    top: 20%;
    right: 10%;
    animation-delay: 1s;
    font-size: 26px;
}

.tg-snd-hero__float-icon--3 {
    bottom: 22%;
    left: 12%;
    animation-delay: 2s;
}

.tg-snd-hero__float-icon--4 {
    bottom: 14%;
    right: 9%;
    animation-delay: 3s;
    font-size: 22px;
}

.tg-snd-hero__float-icon--5 {
    top: 52%;
    left: 5%;
    animation-delay: 4s;
    font-size: 20px;
}

.tg-snd-hero__float-icon--6 {
    top: 10%;
    right: 26%;
    animation-delay: 5s;
    font-size: 24px;
}

@keyframes tg-snd-float {

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

    50% {
        transform: translateY(-12px) rotate(6deg);
    }
}

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

.tg-snd-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(245, 158, 11, 0.2);
    color: var(--tgsn-amber-border);
    font-size: 14px;
    font-weight: 700;
    padding: 8px 20px;
    border-radius: 100px;
    margin-bottom: 22px;
    border: 1px solid rgba(251, 191, 36, 0.3);
    backdrop-filter: blur(4px);
}

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

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

.tg-snd-hero__desc {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.45);
    max-width: 620px;
    margin: 0 auto;
}

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

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

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

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

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

.tg-snd-section--accent {
    background: linear-gradient(135deg, var(--tgsn-amber-light) 0%, #fbbf2415 100%);
    border-color: var(--tgsn-amber-border);
}

.tg-snd-section--info {
    background: linear-gradient(135deg, var(--tgsn-plum-light) 0%, #a855f715 100%);
    border-color: var(--tgsn-plum-border);
}

.tg-snd-section--demo {
    background: linear-gradient(135deg, var(--tgsn-amber-light) 0%, var(--tgsn-plum-light) 100%);
    border-color: var(--tgsn-amber-border);
}

.tg-snd-section--dark {
    background: linear-gradient(135deg, #2e1065 0%, #581c87 100%);
    border-color: #6b21a8;
    color: var(--tgsn-slate-300);
}

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

.tg-snd-section__num {
    font-size: 38px;
    font-weight: 900;
    color: var(--tgsn-plum);
    opacity: 0.2;
    line-height: 1;
    flex-shrink: 0;
}

.tg-snd-section__num--accent {
    color: var(--tgsn-amber);
    opacity: 0.3;
}

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

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

.tg-snd-section__title i {
    margin-right: 6px;
}

.tg-snd-section__title--light {
    color: var(--tgsn-white);
}

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

/* ─── 스텝 ─── */
.tg-snd-steps {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 16px;
}

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

.tg-snd-step:hover {
    transform: translateX(4px);
}

.tg-snd-step--highlight {
    border-color: var(--tgsn-amber-border);
    background-color: var(--tgsn-amber-light);
}

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

.tg-snd-step__icon--key {
    background: linear-gradient(135deg, var(--tgsn-amber) 0%, var(--tgsn-amber-dark) 100%);
    width: 50px;
    height: 50px;
    font-size: 22px;
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.25);
}

.tg-snd-step__body {
    flex: 1;
}

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

.tg-snd-step__num--key {
    color: var(--tgsn-amber-dark);
    font-size: 12px;
}

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

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

/* 안내 박스 */
.tg-snd-notice {
    padding: 14px 18px;
    border-radius: 10px;
    background-color: var(--tgsn-white);
    border: 1px solid var(--tgsn-amber-border);
    border-left: 4px solid var(--tgsn-amber);
    font-size: 13px;
}

.tg-snd-notice i {
    margin-right: 6px;
    color: var(--tgsn-amber);
}

/* ─── 데모 ─── */
.tg-snd-demo {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

/* 채팅 영역 */
.tg-snd-demo__chat {
    border-radius: 12px;
    overflow: hidden;
    border: 2px solid var(--tgsn-plum-border);
    background-color: var(--tgsn-white);
}

.tg-snd-demo__chat-header {
    padding: 10px 14px;
    background: linear-gradient(135deg, var(--tgsn-plum-dark) 0%, var(--tgsn-plum) 100%);
    color: var(--tgsn-white);
    font-size: 13px;
    font-weight: 800;
}

.tg-snd-demo__chat-header i {
    margin-right: 6px;
}

.tg-snd-demo__messages {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    background: linear-gradient(180deg, #faf5ff 0%, #f8fafc 100%);
    min-height: 100px;
}

/* 오디오 메시지 */
.tg-snd-demo__audio {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 12px;
    background-color: var(--tgsn-white);
    border: 2px solid var(--tgsn-slate-200);
    cursor: pointer;
    transition: all 0.25s ease;
    max-width: 90%;
}

.tg-snd-demo__audio:hover {
    border-color: var(--tgsn-amber-border);
    background-color: var(--tgsn-amber-light);
}

.tg-snd-demo__audio.is-saved {
    border-color: var(--tgsn-green);
    background-color: #f0fdf4;
}

.tg-snd-demo__audio.is-saved .tg-snd-demo__audio-action {
    color: var(--tgsn-green);
}

.tg-snd-demo__audio-play {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--tgsn-plum) 0%, var(--tgsn-plum-dark) 100%);
    color: var(--tgsn-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    flex-shrink: 0;
}

.tg-snd-demo__audio-info {
    flex: 1;
    min-width: 0;
}

.tg-snd-demo__audio-name {
    font-size: 12px;
    font-weight: 800;
    color: var(--tgsn-slate-900);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tg-snd-demo__audio-wave {
    display: flex;
    align-items: center;
    gap: 2px;
    height: 18px;
    margin-top: 2px;
}

.tg-snd-demo__audio-bar {
    width: 3px;
    border-radius: 2px;
    background-color: var(--tgsn-plum-border);
    opacity: 0.5;
}

.tg-snd-demo__audio-meta {
    font-size: 10px;
    color: var(--tgsn-slate-500);
    margin-top: 2px;
}

.tg-snd-demo__audio-action {
    font-size: 11px;
    color: var(--tgsn-amber);
    flex-shrink: 0;
    font-weight: 700;
}

/* 라이브러리 */
.tg-snd-demo__library {
    border-radius: 12px;
    overflow: hidden;
    border: 2px solid var(--tgsn-amber-border);
    background-color: var(--tgsn-white);
}

.tg-snd-demo__library-header {
    padding: 10px 14px;
    background: linear-gradient(135deg, var(--tgsn-amber-dark) 0%, var(--tgsn-amber) 100%);
    color: var(--tgsn-white);
    font-size: 13px;
    font-weight: 800;
}

.tg-snd-demo__library-header i {
    margin-right: 6px;
}

.tg-snd-demo__library-list {
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-height: 60px;
}

.tg-snd-demo__library-default {
    padding: 8px 12px;
    border-radius: 8px;
    background-color: var(--tgsn-slate-100);
    font-size: 12px;
    font-weight: 700;
    color: var(--tgsn-slate-500);
}

.tg-snd-demo__library-default i {
    margin-right: 4px;
}

.tg-snd-demo__library-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 8px;
    background-color: var(--tgsn-amber-light);
    border: 1px solid var(--tgsn-amber-border);
    font-size: 12px;
    font-weight: 700;
    color: var(--tgsn-amber-deep);
    animation: tg-snd-pop 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.tg-snd-demo__library-item i {
    margin-right: 2px;
    color: var(--tgsn-amber);
}

@keyframes tg-snd-pop {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.tg-snd-demo__library-count {
    padding: 8px 14px;
    background-color: var(--tgsn-slate-100);
    border-top: 1px solid var(--tgsn-slate-200);
    font-size: 11px;
    font-weight: 700;
    color: var(--tgsn-slate-500);
    text-align: center;
}

/* 토스트 */
.tg-snd-demo__toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--tgsn-slate-900);
    color: var(--tgsn-white);
    padding: 10px 20px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 700;
    z-index: 9999;
    white-space: nowrap;
    animation: tg-snd-toast-in 0.3s ease, tg-snd-toast-out 0.3s ease 2s forwards;
}

@keyframes tg-snd-toast-in {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

@keyframes tg-snd-toast-out {
    to {
        opacity: 0;
        transform: translateX(-50%) translateY(-10px);
    }
}

/* ─── OS 카드 ─── */
.tg-snd-os-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
}

.tg-snd-os-card {
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--tgsn-slate-200);
    background-color: var(--tgsn-white);
    transition: transform 0.25s ease;
}

.tg-snd-os-card:hover {
    transform: translateY(-2px);
}

.tg-snd-os-card__header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 18px;
}

.tg-snd-os-card--android .tg-snd-os-card__header {
    background: linear-gradient(135deg, #16a34a 0%, #22c55e 100%);
}

.tg-snd-os-card--ios .tg-snd-os-card__header {
    background: linear-gradient(135deg, #334155 0%, #475569 100%);
}

.tg-snd-os-card__icon {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background-color: rgba(255, 255, 255, 0.15);
    color: var(--tgsn-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.tg-snd-os-card__title {
    font-size: 16px;
    font-weight: 800;
    color: var(--tgsn-white);
}

.tg-snd-os-card__steps {
    padding: 14px 18px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.tg-snd-os-card__step {
    font-size: 13px;
    color: var(--tgsn-slate-500);
    display: flex;
    align-items: center;
    gap: 8px;
}

.tg-snd-os-card__step span {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--tgsn-amber) 0%, var(--tgsn-plum) 100%);
    color: var(--tgsn-white);
    font-size: 10px;
    font-weight: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

.tg-snd-tip {
    background-color: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(168, 85, 247, 0.08);
    padding: 22px;
    border-radius: 10px;
    position: relative;
}

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

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

.tg-snd-tip__title i {
    color: var(--tgsn-amber-border);
    margin-right: 4px;
}

.tg-snd-tip__text {
    font-size: 14px;
    color: var(--tgsn-slate-300);
}

.tg-snd-tip__text strong {
    color: var(--tgsn-white);
}

/* ─── 결론 ─── */
.tg-snd-summary {
    background: linear-gradient(145deg, #2e1065 0%, #581c87 25%, #7e22ce 50%, #fbbf24 85%, #f59e0b 100%);
    color: var(--tgsn-white);
    padding: 44px 28px;
    border-radius: var(--tgsn-radius);
    text-align: center;
    box-shadow: 0 10px 30px rgba(107, 33, 168, 0.4);
}

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

.tg-snd-summary__body p {
    font-size: 16px;
    margin-bottom: 14px;
    color: var(--tgsn-amber-border);
}

.tg-snd-summary strong {
    color: var(--tgsn-white);
}

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

.tg-snd-summary__highlight {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 16px 12px;
    background-color: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(168, 85, 247, 0.1);
    border-radius: 10px;
}

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

.tg-snd-summary__highlight strong {
    font-size: 13px;
    color: var(--tgsn-white);
}

.tg-snd-summary__highlight span {
    font-size: 11px;
    color: var(--tgsn-amber-border);
    text-align: center;
}

.tg-snd-summary__checklist {
    list-style: none;
    display: inline-block;
    text-align: left;
    background-color: rgba(255, 255, 255, 0.04);
    padding: 24px 32px;
    border-radius: 12px;
    margin: 0 0 24px;
}

.tg-snd-summary__checklist li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 10px;
    font-size: 15px;
    color: #d8b4fe;
}

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

.tg-snd-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(--tgsn-amber-border);
}

.tg-snd-summary__checklist strong {
    color: var(--tgsn-white);
}

.tg-snd-summary__footer {
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 14px;
    color: var(--tgsn-amber-border);
    line-height: 1.8;
}

.tg-snd-summary__footer strong {
    color: var(--tgsn-white);
}

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

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

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

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

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

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

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

    .tg-snd-demo {
        grid-template-columns: 1fr 1fr;
    }

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

    .tg-snd-tips {
        grid-template-columns: repeat(3, 1fr);
    }

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

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

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

    .tg-snd-main {
        gap: 46px;
    }
}

/* ============================================
   스크롤 등장 애니메이션
============================================ */
.tg-snd-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-snd-motion.is-visible {
    opacity: 1;
    transform: translateY(0);
}