/* ============================
   Font Face Definitions
   ============================ */

/* Nanum Gothic */
@font-face {
    font-family: 'Nanum Gothic';
    src: url('../fonts/NanumGothicLight.ttf') format('truetype');
    font-weight: 300;
    font-style: normal;
}

@font-face {
    font-family: 'Nanum Gothic';
    src: url('../fonts/NanumGothic.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: 'Nanum Gothic';
    src: url('../fonts/NanumGothicBold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
}

@font-face {
    font-family: 'Nanum Gothic';
    src: url('../fonts/NanumGothicExtraBold.ttf') format('truetype');
    font-weight: 800;
    font-style: normal;
}

/* Nanum Square AC */
@font-face {
    font-family: 'NanumSquare_ac';
    src: url('../fonts/NanumSquare_acL.ttf') format('truetype');
    font-weight: 300;
    font-style: normal;
}

@font-face {
    font-family: 'NanumSquare_ac';
    src: url('../fonts/NanumSquare_acR.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: 'NanumSquare_ac';
    src: url('../fonts/NanumSquare_acB.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
}

@font-face {
    font-family: 'NanumSquare_ac';
    src: url('../fonts/NanumSquare_acEB.ttf') format('truetype');
    font-weight: 800;
    font-style: normal;
}

/* Nanum Square*/
@font-face {
    font-family: 'NanumSquare';
    src: url('../fonts/NanumSquareL.ttf') format('truetype');
    font-weight: 300;
    font-style: normal;
}

@font-face {
    font-family: 'NanumSquare';
    src: url('../fonts/NanumSquareR.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: 'NanumSquare';
    src: url('../fonts/NanumSquareB.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
}

@font-face {
    font-family: 'NanumSquare';
    src: url('../fonts/NanumSquareEB.ttf') format('truetype');
    font-weight: 800;
    font-style: normal;
}


/* ============================
   CSS Variables & Base Styles
   ============================ */
:root {
    /* Colors */
    --color-primary: #FF9900;
    --color-primary-dark: #EB9943;
    --color-secondary: #131B21;
    --color-white: #FFFFFF;
    --color-gray-100: #F7F8F8;
    --color-gray-200: #F5F6F7;
    --color-gray-300: #EEEEEE;
    --color-gray-400: #86929B;
    --color-gray-600: #525D65;
    --color-gray-700: #3A454D;
    --color-gray-800: #202930;
    --color-gray-900: #131B21;
    --color-yellow-light: #FFF5D0;
    --color-yellow-bg: #FFDFA0;
    --color-yellow-gradient-start: #FFE196;
    --color-yellow-gradient-end: #FFD979;
    --color-blue: #4495FF;
    --color-red: #FF4000;
    --color-kakao: #FEE500;
    --color-brown: #4A2E02;

    /* Typography */
    --font-primary: 'Nanum Gothic', sans-serif;
    --font-secondary: 'Nanum Square Round', sans-serif;

    /* Spacing */
    --container-max-width: 1200px;
    --header-height: 70px;

    /* Shadows */
    --shadow-sm: 0px 0px 8px 0px rgba(0, 0, 0, 0.08);
    --shadow-md: 0px 0px 12px 0px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0px 0px 16px 0px rgba(255, 198, 87, 0.2);
    --shadow-orange: 0px 0px 16px 0px rgba(255, 171, 0, 0.3);

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    --radius-full: 30px;
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--color-gray-900);
    background-color: var(--color-white);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-width: 375px;
}

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

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

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

/* ============================
   Header Styles
   ============================ */
.header {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    background: var(--color-white);
    z-index: 1000;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.header-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-coolmsg {
    height: 30px;
    width: auto;
}

.logo-divider {
    font-size: 18px;
    color: var(--color-gray-400);
}

.logo-sparrow {
    height: 17px;
    width: auto;
}

/* Desktop Navigation */
.nav-desktop {
    display: flex;
    gap: 20px;
}

.nav-link {
    padding: 10px;
    font-family: 'Nanum Gothic', sans-serif;
    font-size: 16px;
    font-weight: 700;
    color: var(--color-gray-700);
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--color-primary);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    width: 32px;
    height: 32px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 4px;
}

.hamburger-line {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--color-gray-900);
    border-radius: 30px;
    transition: all 0.3s ease;
}

.hamburger.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

.hamburger.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.hamburger.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
}

/* Mobile Navigation */
.nav-mobile {
    display: none;
    flex-direction: column;
    padding: 20px 0;
    border-top: 1px solid var(--color-gray-300);
    margin-top: 15px;
}

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

.nav-mobile .nav-link {
    padding: 15px 0;
    border-bottom: 1px solid var(--color-gray-200);
}

/* ============================
   Hero Section
   ============================ */
.hero {
    background: #F90;
}

.hero picture {
    display: block;
    max-width: 1280px;
    margin: 0 auto;
}

.hero-banner {
    width: 100%;
    height: auto;
    display: block;
}

/* ============================
   Intro Section
   ============================ */
.intro {
    padding: 50px 40px;
}

.intro-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    display: flex;
    gap: 20px;
}

.intro-left {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.intro-banner {
    display: flex;
    height: 200px;
    padding: 10px 20px 0 24px;
    justify-content: space-between;
    align-items: center;
    align-self: stretch;
    border-radius: 24px;
    background: #FFF5D0;
    position: relative;
    overflow: visible;
}

.intro-badge {
    display: flex;
    padding: 10px 20px;
    justify-content: center;
    align-items: center;
    gap: 10px;
    position: absolute;
    top: -28px;
    left: 0;
    border-radius: 30px;
    background: #F90;
    color: var(--color-white, #FFF);
    text-align: center;
    font-family: 'Nanum Gothic', sans-serif;
    font-size: 16px;
    font-style: normal;
    font-weight: 700;
    line-height: 130%;
    letter-spacing: -0.4px;
    z-index: 10;
}

.intro-banner-content {
    display: flex;
    width: 100%;
    justify-content: space-between;
    align-items: center;
}

.intro-banner-text {
    font-family: NanumSquare_ac;
    font-size: 36px;
    font-weight: 800;
    color: var(--color-brown);
    line-height: 1.6;
}

.intro-banner-text .highlight {
    color: var(--color-primary);
}

.intro-character {
    width: 160px;
    height: 160px;
    object-fit: contain;
}

.intro-cards {
    display: flex;
    gap: 20px;
    flex: 1;
}

.intro-card {
    flex: 1;
    background: var(--color-gray-100);
    border-radius: var(--radius-xl);
    padding: 20px 24px 30px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.intro-card-icon {
    width: 50px;
    height: 50px;
    margin-bottom: 10px;
}

.intro-card-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.intro-card-label {
    color: var(--color-gray-400, #86929B);    
    font-family: 'NanumSquare_ac', sans-serif;
    font-size: 18px;
    font-style: normal;
    font-weight: 800;
    line-height: 130%;
    letter-spacing: -0.45px;
    margin-bottom: auto;
}

.intro-card-text {
    color: var(--color-gray-800, #202930);
    font-family: 'NanumSquare_ac', 'sans-serif';
    font-size: 26px;
    font-style: normal;
    font-weight: 800;
    line-height: 150%; /* 39px */
}

.intro-right {
    /* width: 422px; */
}

.phone-mockup {
    background: linear-gradient(to bottom, var(--color-yellow-gradient-start), var(--color-yellow-gradient-end));
    border-radius: var(--radius-xl);
    padding: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    position: relative;
}

.phone-screen {
    position: relative;
    width: 188px;
    height: 382px;
    border-radius: 20px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 0 0 5px var(--color-white), 0 0 16px 0 rgba(0, 72, 255, 0.08);
}

.phone-mockup video {
    width: 189px;
    height: 382px;
    object-fit: cover;
    position: relative;
    z-index: 1;
    background: #fff;
}

/* ============================
   Benefits Section
   ============================ */
.benefits {    
    padding-bottom: 120px;
}

.benefits-wave {
    width: 100%;
    height: 94px;
    background-image: 
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1280 94' fill='none' preserveAspectRatio='none'%3E%3Cpath d='M99.2339 13.1388C45.674 13.1388 9.59616 37.3124 4.47406 57.1534C0.658201 71.9345 0 94 0 94H1280V55.4873C1280 23.6422 1220.26 0.00342566 1169.06 0.00337818C1100 0.00331414 1063.37 73.9998 1000.53 73.9998C937.692 73.9998 872.674 0.557521 763.572 0.0034087C648.64 -0.580313 629.58 73.9998 561.6 73.9998C502.403 73.9998 483.121 19.2471 410.667 19.2471C338.213 19.2471 310.44 57.0689 266.78 57.1534C204.586 57.2737 163.094 13.1388 99.2339 13.1388Z' fill='%23FFE0A1'/%3E%3C/svg%3E"),
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1280 91' fill='none' preserveAspectRatio='none'%3E%3Cpath d='M1280 77.5C1280 53.2448 1258.42 15.0727 1205.31 15.0727C1174.63 15.0727 1187.21 28.6737 1125.54 28.502C1082.25 28.3815 1072.96 15.0727 1001.12 15.0727C929.277 15.0727 807.478 66.6206 748.782 66.6206L740.851 66.3728C679.432 62.4894 654.486 14.2733 545.114 15.0727C497.27 15.4223 447.334 52.3997 401.857 55.7808L384.296 55.2321C334.32 47.7894 305.817 0 250.375 0C194.933 0 191.966 22.0751 123.495 22.0752C72.7313 22.0753 56.9156 12.5 24.5333 49C9.94031 65.4485 -0.00012207 87 -0.00012207 87H1280C1280 94.5626 1280 87 1280 87H1280C1280 85.0137 1280 81.9841 1280 77.5Z' fill='url(%23paint0_linear_983_2651)'/%3E%3Cdefs%3E%3ClinearGradient id='paint0_linear_983_2651' x1='603.733' y1='90' x2='603.733' y2='-2.48159e-06' gradientUnits='userSpaceOnUse'%3E%3Cstop stop-color='%23FFCC63'/%3E%3Cstop offset='1' stop-color='%23FFC754'/%3E%3C/linearGradient%3E%3C/defs%3E%3C/svg%3E");
        
    background-repeat: no-repeat;
    background-position: center top;
    background-size: 100% 94px;
}

.benefits-content {
    background: linear-gradient(0deg, rgba(255, 255, 255, 0.00) 0%, rgba(255, 223, 160, 0.10) 9.85%, #FFDFA0 100%);
    padding: 20px;
}

.benefits-section {
    max-width: var(--container-max-width);
    margin: 0 auto 100px;
    text-align: center;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--color-primary);
    color: var(--color-white);
    font-family: 'NanumSquare', 'sans-serif';
    font-size: 18px;
    font-weight: 700;
    line-height: 1;
    padding: 10px 16px;
    border-radius: var(--radius-full);
    margin-bottom: 20px;
}

.badge-icon {
    width: 32px;
    height: 32px;
}

.section-title {
    color: #4A2E02;
    text-align: center;
    font-family: 'NanumSquare_ac', sans-serif;
    font-size: 38px;
    font-style: normal;
    font-weight: 800;
    line-height: 130%;
    letter-spacing: -0.95px;
    align-self: stretch;
    margin-bottom: 10px;
}

.section-desc {
    color: #4A2E02;
    text-align: center;
    font-family: 'NanumSquare_ac', sans-serif;
    font-size: 18px;
    font-style: normal;
    font-weight: 400;
    line-height: 150%;
    letter-spacing: -0.45px;
    align-self: stretch;
    margin-bottom: 50px;
}

/* Stores Grid */
.stores-container {
    display: flex;
    width: 100%;
    /* max-width: 1200px; */
    padding: 30px;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    align-self: stretch;
    border-radius: 20px;
    border: 2px solid var(--color-white, #FFF);
    background: #FFFCF4;
    box-shadow: 0 0 16px 0 rgba(255, 171, 0, 0.30);
}

.stores-grid {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    column-gap: 8px;
    row-gap: 20px;
}

.store-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.store-logo {
    width: 106.8px;
    height: 42.72px;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

.store-rate {
    font-size: 15px;
    font-weight: 800;
    color: var(--color-gray-700);
    text-align: center;
    padding: 6px 12px;
    white-space: nowrap;
    text-align: center;
    font-family: 'NanumSquare_ac', sans-serif;
    font-size: 15px;
    font-style: normal;
    font-weight: 800;
    line-height: 120%;
    letter-spacing: -0.375px;
}

.store-rate.highlight-rate {
    background: var(--color-primary);
    border-radius: var(--radius-sm);
    /* width: 100%; */
    color: var(--color-white, #FFF);
    display: flex;
    padding: 6px 12px;
    justify-content: center;
    align-items: center;
    align-self: stretch;
    border-radius: 6px;
    background: var(--color-primary);
    
}

.store-rate .red {
    color: var(--color-red);
}

/* Receipt Steps */
.receipt-steps {
    display: flex;
    gap: 20px;
}

.receipt-step {
    flex: 1;
    background: #FFFCF5;
    border: 2px solid var(--color-white);
    border-radius: var(--radius-lg);
    padding: 30px;
    display: flex;
    justify-content: space-between;
    overflow: hidden;
}

.step-content {
    flex: 1;
}

.step-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.step-icon {
    width: 40px;
    height: 40px;
}

.step-number {
    font-size: 20px;
    font-weight: 800;
    color: var(--color-primary);
}

.step-title {
    color: var(--color-gray-900, #131B21);
    text-align: left;
    font-family: 'NanumSquare_ac', sans-serif;
    font-size: 20px;
    font-style: normal;
    font-weight: 800;
    line-height: 130%;
    letter-spacing: -0.5px;
    margin-bottom: 10px;
}

.step-desc {
    color: var(--color-gray-700, #3A454D);
    font-family: 'NanumSquare_ac', sans-serif;
    font-size: 18px;
    font-style: normal;
    font-weight: 400;
    line-height: 150%;
    letter-spacing: -0.45px;
    text-align: left;
}

.step-image {
    width: 220px;
    height: 232px;
    display: flex;
    align-items: flex-end;
}

.step-image img {
    width: 100%;
    height: auto;
}

/* Gifticon Slider */
.gifticon-slider {
    width: 100%;
    overflow: hidden;
    padding: 20px 0;
}

.gifticon-track {
    display: flex;
    gap: 20px;
    width: max-content;
    animation: scroll-left 30s linear infinite;
}

.gifticon-track:hover {
    animation-play-state: paused;
}

@keyframes scroll-left {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.gifticon-item {
    width: 200px;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 24px 16px;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.gifticon-img {
    width: 120px;
    height: 120px;
    object-fit: contain;
}

.gifticon-brand {
    color: var(--color-gray-900, #131B21);
    text-align: center;
    font-family: 'NanumSquare_ac', sans-serif;
    font-size: 18px;
    font-style: normal;
    font-weight: 700;
    line-height: 130%;
}

.gifticon-name {
    color: var(--color-gray-700, #3A454D);
    text-align: center;
    font-family: 'NanumSquare_ac', sans-serif;
    font-size: 15px;
    font-style: normal;
    font-weight: 400;
    line-height: 130%;
}

/* ============================
   How To Section
   ============================ */
.howto {
    padding: 0 20px 100px;
    background: var(--color-white);
}

.howto-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.howto-header {
    text-align: center;
    margin-bottom: 70px;
}

.howto-badge {
    display: inline-block;
    font-size: 20px;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.howto-title {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 4px;
    color: var(--color-gray-900, #131B21);
    text-align: right;
    font-family: 'NanumSquare_ac', sans-serif;
    font-size: 38px;
    font-style: normal;
    font-weight: 800;
    line-height: 130%;
    letter-spacing: -0.95px;
    margin-bottom: 10px;
}

.title-icon {
    width: 48px;
    height: 48px;
}

.howto-desc {
    color: var(--color-gray-600, #525D65);
    text-align: center;
    font-family: 'NanumSquare_ac', sans-serif;
    font-size: 18px;
    font-style: normal;
    font-weight: 400;
    line-height: 180%;
    letter-spacing: -0.45px;
}

.howto-cards {
    display: flex;
    gap: 20px;
}

.howto-card {
    flex: 1;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 50px 20px 30px;
    box-shadow: var(--shadow-md);
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 506px;
}

.howto-step {
    position: absolute;
    top: -21px;
    left: 12px;
    padding: 10px 16px;
    border-radius: var(--radius-full);
    color: var(--color-white, #FFF);
    text-align: center;
    font-family: 'Nanum Gothic', sans-serif;
    font-size: 16px;
    font-style: normal;
    font-weight: 600;
    line-height: 130%;
    letter-spacing: -0.4px;
}

.step-orange {
    background: var(--color-primary);
}

.step-dark {
    background: var(--color-gray-900);
}

.howto-card-title {
    color: var(--color-gray-900, #131B21);
    font-family: 'NanumSquare_ac', sans-serif;
    font-size: 24px;
    font-style: normal;
    font-weight: 800;
    line-height: 130%;
    letter-spacing: -0.6px;
    align-self: stretch;
    margin-bottom: 6px;
}

.howto-card-desc {
    color: var(--color-gray-700, #3A454D);
    font-family: 'Nanum Gothic', sans-serif;
    font-size: 18px;
    font-style: normal;
    font-weight: 400;
    line-height: 150%;
    letter-spacing: -0.45px;
    align-self: stretch;
    margin-bottom: 20px;
}

.qr-container {
    display: flex;
    justify-content: center;
    margin: 20px 0;
}

.qr-code {
    width: 120px;
    height: 120px;
    border: 1px solid var(--color-gray-300);
}

.mobile-install {
    margin-top: auto;
    text-align: center;
}

.install-label {
    color: #4495FF;
    text-align: center;
    font-family: 'NanumSquare_ac', sans-serif;
    font-size: 18px;
    font-style: normal;
    font-weight: 700;
    line-height: 130%;
    letter-spacing: -0.45px;
    align-self: stretch;
    margin-bottom: 10px;
}

.install-btn {
    width: 100%;
    background: var(--color-gray-100);
    padding: 16px;
    border-radius: var(--radius-md);
    transition: background 0.3s ease;
    color: var(--color-gray-700, #3A454D);
    font-family: 'NanumSquare_ac', sans-serif;
    font-size: 16px;
    font-style: normal;
    font-weight: 800;
    line-height: 130%;
}

.install-btn:hover {
    background: var(--color-gray-200);
}

.code-input-box {
    background: #FAFAFA;
    border: 5px solid var(--color-white);
    border-bottom: none;
    border-radius: 20px 20px 0 0;
    padding: 20px;
    box-shadow: var(--shadow-sm);
    margin: 20px 0;
}

.code-input-header {
    color: var(--color-gray-900, #131B21);
    font-family: 'NanumSquare_ac', sans-serif;
    font-size: 18px;
    font-style: normal;
    font-weight: 800;
    line-height: 130%;
    letter-spacing: -0.45px;
    margin-bottom: 8px;
}

.highlight-blue {
    color: #4495FF;
    font-family: 'NanumSquare_ac', sans-serif;
    font-size: 18px;
    font-style: normal;
    font-weight: 800;
    line-height: 130%;
    letter-spacing: -0.45px;
}

.code-input-note {
    font-size: 14px;
    color: var(--color-gray-700);
    margin-bottom: 27px;
}

.code-input-field {
    background: #e6e4e4;
    padding: 12px;
    border-radius: var(--radius-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 18px;
    color: var(--color-gray-900);
}

.copy-icon {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.howto-benefits {
    margin-top: auto;
}

.howto-benefits p {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--color-gray-900, #131B21);
    font-family: 'NanumSquare_ac', sans-serif;
    font-size: 18px;
    font-style: normal;
    font-weight: 700;
    line-height: 130%;
    letter-spacing: -0.45px;
    margin-bottom: 6px;
}

.dot {
    width: 12px;
    height: 12px;
    background: var(--color-primary);
    border-radius: 50%;
}

.highlight-orange {
    color: #F90;
    font-family: 'NanumSquare_ac', sans-serif;
    font-size: 18px;
    font-style: normal;
    font-weight: 800;
    line-height: 130%;
    letter-spacing: -0.45px;
}

.highlight-orange-text {
    color: #F90;
    font-family: 'NanumSquare_ac', sans-serif;
    font-size: 18px;
    font-style: normal;
    font-weight: 700;
    line-height: 130%;
    letter-spacing: -0.45px;
}

.share-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: auto;
}

.share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px;
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 800;
    transition: opacity 0.3s ease;
}

.share-btn:hover {
    opacity: 0.9;
}

.share-link {
    background: var(--color-gray-100);
    color: var(--color-gray-700, #3A454D);
    font-family: 'NanumSquare_ac', sans-serif;
    font-size: 16px;
    font-style: normal;
    font-weight: 800;
    line-height: 130%;
}

.share-kakao {
    background: var(--color-kakao);    
    color: #371C1D;
    font-family: 'NanumSquare_ac', sans-serif;
    font-size: 16px;
    font-style: normal;
    font-weight: 800;
    line-height: 130%;
}

.share-icon {
    width: 24px;
    height: 24px;
}

/* ============================
   Footer
   ============================ */
.footer {
    background: var(--color-gray-100);
    padding: 40px 20px;
}

.footer-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    text-align: center;
}

.footer-info p {
    font-size: 14px;
    color: var(--color-gray-600);
    margin-bottom: 5px;
}

/* ============================
   Inquiry Section (참새마트 이용 문의)
   ============================ */
.inquiry-section {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 0 100px 140px;
    background: var(--color-bg);
}

.inquiry-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(2px);
    border: 1px solid var(--color-white);
    border-radius: var(--radius-full);
    padding: 12px 24px 12px 12px;
    box-shadow: 0px 6px 8px 0px rgba(255, 198, 87, 0.1);
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
}

.inquiry-btn:hover {
    transform: scale(1.05);
    box-shadow: 0px 8px 16px 0px rgba(255, 198, 87, 0.2);
}

.inquiry-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    overflow: hidden;
}

.inquiry-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.inquiry-text {
    font-size: 16px;
    font-weight: 800;
    color: var(--color-gray-900);
}

/* ============================
   Responsive Styles - Tablet (800px ~ 1279px)
   ============================ */
@media (max-width: 1279px) {
    /* Header */
    .nav-desktop {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    /* Intro */
    .intro {
        display: flex;
        padding: 50px 24px 0 24px;
        flex-direction: column;
        align-items: center;
    }

    .intro-container {
        display: flex;
        min-width: 752px;
        align-items: center;
        gap: 16px;
        flex-direction: row;
    }

    .intro-left {
        display: flex;
        flex: 1 0 0;
        height: 404px;
        flex-direction: column;
        justify-content: center;
        align-items: flex-start;
        gap: 16px;
    }

    .intro-right {
        flex-shrink: 0;
        align-self: stretch;
    }

    .intro-banner {
        display: flex;
        height: 160px;
        padding: 10px 20px 0 24px;
        justify-content: space-between;
        align-items: center;
        border-radius: 24px;
        width: 100%;
    }

    .intro-banner-text {
        font-size: 30px;
    }

    .intro-character {
        width: 144px;
        height: 144px;
    }

    .intro-cards {
        display: flex;
        flex: 1 0 0;
        gap: 16px;
        align-items: flex-start;
        width: 100%;
    }

    .intro-card {
        flex: 1 0 0;
        height: 100%;
        padding: 20px 24px 30px;
        border-radius: 24px;
    }

    .intro-card-label {
        font-size: 15px;
    }

    .intro-card-text {
        font-size: 20px;
    }

    .phone-mockup {
        display: flex;
        width: 255px;
        padding: 31px 30px;
        justify-content: center;
        align-items: center;
        align-self: stretch;
        border-radius: 15px;
        background: linear-gradient(180deg, #FFE196 0%, #FFD979 100%);
    }

    .phone-screen {
        position: relative;
        width: 168px;
        height: 342px;
        border-radius: 16px;
        border: none;
        box-shadow: 0px 0px 12.824px 0px rgba(0, 0, 0, 0.08);
        overflow: hidden;
    }

    .phone-screen::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        border: 6px solid white;
        border-radius: 16px;
        pointer-events: none;
        z-index: 10;
    }

    .phone-mockup video {
        width: 100%;
        height: 100%;
        border-radius: 10px;
        position: relative;
        z-index: 1;
    }

    /* Benefits */
    .benefits {
        margin-top: 50px;
    }

    .benefits-content {
        padding: 20px 24px 120px 24px;
        gap: 100px;
    }

    .benefits-section {
        max-width: 1200px;
        /* gap: 50px; */
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
    }

    .section-badge {
        display: inline-flex;
        padding: 10px 10px 10px 16px;
        justify-content: center;
        align-items: center;
        gap: 10px;
        border-radius: 30px;
        background: #FF9900;
        align-self: center;
    }

    .section-badge span {
        color: var(--color-white, #FFF);
        font-family: 'NanumSquare', 'sans-serif';
        font-size: 18px;
        font-style: normal;
        font-weight: 600;
        line-height: 1;
        letter-spacing: -0.45px;
    }

    .badge-icon {
        width: 32px;
        height: 32px;
    }

    .section-title {
        color: #4A2E02;
        text-align: center;
        font-family: NanumSquare_ac;
        font-size: 38px;
        font-style: normal;
        font-weight: 800;
        line-height: 130%;
        letter-spacing: -0.95px;
        width: 100%;
    }

    .section-desc {
        font-size: 18px;
        letter-spacing: -0.45px;
        text-align: center;
        width: 100%;
    }
    

    .stores-container {
        padding: 30px;
        border-radius: 20px;
        border: 2px solid #FFF;
        background: #FFFCF4;
        box-shadow: 0px 0px 16px 0px rgba(255, 171, 0, 0.3);
    }

    .stores-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 20px 8px;
        justify-items: center;
        width: 100%;
    }

    .store-item {
        width: 100%;
        max-width: 150px;
    }

    .store-rate {
        width: 100%;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .store-rate.highlight-rate {
        width: 100%;
    }

    .receipt-steps {
        flex-direction: column;
        gap: 20px;
        width: 100%;
    }

    .receipt-step {
        display: flex;
        height: 285px;
        padding: 30px 0 0 30px;
        justify-content: space-between;        
        border-radius: 20px;
        border: 2px solid #FFF;
        background: #FFFCF5;
        overflow: hidden;
    }

    .step-content {
        flex: 1 0 0;
        display: flex;
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }

    .step-title {
        font-size: 20px;
    }

    .step-desc {
        font-size: 18px;
    }

    .step-image {
        width: 220px;
        height: 100%;
        flex-shrink: 0;
    }

    .gifticon-slider {
        width: 100%;
        overflow: hidden;
    }

    .gifticon-track {
        gap: 20px;
        padding: 20px 0;
        animation: scroll-gifticon 30s linear infinite;
    }

    @keyframes scroll-gifticon {
        0% {
            transform: translateX(0);
        }
        100% {
            transform: translateX(-50%);
        }
    }

    .gifticon-slider:hover .gifticon-track {
        animation-play-state: paused;
    }

    /* How To */
    .howto-cards {
        flex-direction: column;
    }

    .howto-card {
        min-height: auto;
    }

    .howto-title {
        font-size: 30px;
    }
}

/* ============================
   Responsive Styles - Mobile (375px ~ 799px)
   ============================ */
@media (max-width: 799px) {
    /* Header */
    .logo-coolmsg {
        height: 24px;
    }

    .logo-sparrow {
        height: 14px;
    }

    /* Intro */
    .intro {
        display: flex;
        padding: 50px 20px 0 20px;
        flex-direction: column;
        align-items: center;
    }

    .intro-container {
        display: flex;
        flex-direction: column;
        gap: 20px;
        max-width: 1200px;
        width: 100%;
        min-width: auto;
    }

    .intro-left {
        display: flex;
        flex-direction: column;
        gap: 20px;
        width: 100%;
        height: auto;
    }

    .intro-banner {
        display: flex;
        gap: 10px;
        padding: 30px 20px 0 20px;
        border-radius: 24px;
        background: #FFF5D0;
        height: auto;
        align-items: flex-start;
    }

    .intro-banner-content {
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
        width: 100%;
    }

    .intro-banner-text {
        font-family: NanumSquare_ac;
        font-size: 22px;
        font-weight: 800;
        line-height: 1.6;
        color: #4A2E02;
    }

    .intro-character {
        width: 100px;
        height: 100px;
    }

    .intro-cards {
        display: flex;
        flex-direction: column;
        gap: 20px;
        width: 100%;
    }

    .intro-card {
        display: flex;
        flex-direction: column;
        gap: 16px;
        padding: 20px 24px 30px 24px;
        border-radius: 24px;
        background: #F7F8F8;
        width: 100%;
    }

    .intro-card-icon {
        width: 32px;
        height: 32px;
    }

    .intro-card-label {
        font-family: NanumSquare_ac;
        font-size: 16px;
        font-weight: 800;
        line-height: 130%;
        letter-spacing: -0.4px;
        color: #86929B;
    }

    .intro-card-text {
        font-family: NanumSquare_ac;
        font-size: 20px;
        font-weight: 800;
        line-height: 150%;
        color: #202930;
    }

    .intro-right {
        width: 100%;
    }

    .phone-mockup {
        display: flex;
        width: 100%;
        padding: 50px 0;
        justify-content: center;
        align-items: center;
        border-radius: 24px;
        background: linear-gradient(180deg, #FFE196 0%, #FFD979 100%);
    }

    .phone-screen {
        position: relative;
        width: 188px;
        height: 382px;
        border-radius: 18px;
        border: none;
        box-shadow: 0px 0px 14px 0px rgba(0, 0, 0, 0.08);
        overflow: hidden;
    }

    .phone-screen::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        border: 6px solid #FFF;
        border-radius: 18px;
        pointer-events: none;
        z-index: 10;
    }

    .phone-mockup video {
        width: 100%;
        height: 100%;
        border-radius: 12px;
        position: relative;
        z-index: 1;
    }

    /* Benefits */
    .benefits-wave {
        height: 46px;
        background-size: 100% 46px;
    }

    .section-badge {
        font-size: 15px;
    }

    .section-title {
        font-size: 24px;
    }

    .section-desc {
        font-size: 16px;
    }

    .stores-container {
        padding: 20px;
    }

    .stores-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 6px;
    }

    .store-rate {
        font-size: 11px;
        padding: 6px 8px;
    }

    .receipt-step {
        flex-direction: column;
        gap: 20px;
        padding: 0;
    }

    .step-content {
        padding: 0 20px;
    }

    .step-image {
        padding: 0 20px;
        width: 50%;
        height: auto;
        display: flex;
        justify-content: flex-end;
        align-self: flex-end;
    }

    /* How To */
    .howto {
        padding: 0 20px 80px;
    }

    .howto-header {
        margin-bottom: 50px;
    }

    .howto-title {
        font-size: 24px;
    }

    .title-icon {
        width: 36px;
        height: 36px;
    }

    .howto-desc {
        font-size: 16px;
    }

    .howto-card {
        padding: 50px 16px 24px;
    }

    .howto-card-title {
        font-size: 20px;
    }

    .howto-card-desc {
        font-size: 16px;
    }

    .howto-benefits p {
        font-size: 16px;
    }

    /* Inquiry Section */
    .inquiry-section {
        padding: 0 16px 100px;
    }

    .inquiry-text {
        font-size: 14px;
    }
}

/* ============================
   Responsive Styles - Small Mobile (375px ~ 480px)
   ============================ */
@media (max-width: 480px) {
    .section-title {
        font-size: 20px;
    }

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

    .howto-title {
        font-size: 20px;
    }
}

/* ============================
   Quick Banner (Desktop Only)
   ============================ */
.quick-banner {
    position: fixed;
    /* 콘텐츠 영역(1200px) 바로 옆에 위치 */
    right: calc((100vw - var(--container-max-width)) / 2 - 205px - 30px);
    bottom: 30px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 205px;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateY(0);
}

/* 스크롤 시 상단으로 이동 */
.quick-banner.scrolled {
    transform: translateY(calc(-100vh + 100% + 150px));
}

/* 화면이 충분히 넓을 때만 퀵배너 표시 (콘텐츠 + 퀵배너 + 여백) */
@media (max-width: 1500px) {
    .quick-banner {
        right: 20px;
    }
}

.quick-banner-card {
    background: var(--color-white);
    border-radius: 20px;
    padding: 20px 0 0 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    position: relative;
    box-shadow: inset 0px 0px 8px 0px rgba(255, 153, 0, 0.3), 0px 4px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.quick-banner-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.quick-banner-title {
    font-family: var(--font-primary);
    font-size: 20px;
    font-weight: 800;
    color: var(--color-brown);
    letter-spacing: -0.5px;
    line-height: 1.3;
}

.quick-banner-subtitle {
    font-family: var(--font-primary);
    font-size: 16px;
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: -0.4px;
    line-height: 1.3;
}

.quick-banner-qr {
    width: 100px;
    height: 100px;
}

.quick-banner-qr img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.quick-banner-character {
    width: 120px;
    height: 80px;
    overflow: hidden;
}

.quick-banner-character img {
    width: 100%;
    height: 150%;
    object-fit: cover;
    object-position: top;
}

.quick-banner-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 100%;
}

.quick-banner-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px;
    border-radius: 30px;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.quick-banner-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.quick-banner-btn .btn-icon {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
}

.quick-banner-btn span {
    font-family: var(--font-primary);
    font-size: 14px;
    font-weight: 800;
    letter-spacing: -0.35px;
    line-height: 1.3;
}

.quick-banner-btn-benefit {
    background: #F7E9D3;
}

.quick-banner-btn-benefit span {
    color: var(--color-brown);
}

.quick-banner-btn-inquiry {
    background: var(--color-secondary);
}

.quick-banner-btn-inquiry span {
    color: var(--color-white);
}

/* 모바일/태블릿에서 퀵배너 숨기기 */
@media (max-width: 1279px) {
    .quick-banner {
        display: none;
    }
}