/* ============================================
   TRANSLRO (트랜즐로) Design System
   ============================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&family=Noto+Sans+KR:wght@300;400;500;600;700&display=swap');

/* ---- CSS Variables ---- */
:root {
    /* Colors */
    --color-primary: #1A3557;
    --color-primary-dark: #0F2238;
    --color-primary-light: #2E6DA4;
    --color-secondary: #E8F1FA;
    --color-accent: #F4A03A;
    --color-accent-hover: #E08F2A;
    --color-background: #F4F8FC;
    --color-background-white: #FFFFFF;
    --color-text: #1C2B3A;
    --color-text-light: #5A6B7D;
    --color-text-muted: #8A9AAC;
    --color-border: #D8E3EF;
    --color-border-light: #EDF2F7;

    /* Typography */
    --font-heading: 'Playfair Display', 'Noto Sans KR', serif;
    --font-body: 'Inter', 'Noto Sans KR', sans-serif;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* Layout */
    --max-width: 1200px;
    --header-height: 80px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(26, 53, 87, 0.06);
    --shadow-md: 0 4px 16px rgba(26, 53, 87, 0.08);
    --shadow-lg: 0 8px 32px rgba(26, 53, 87, 0.12);
    --shadow-xl: 0 16px 48px rgba(26, 53, 87, 0.16);

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50%;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-background);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

ul,
ol {
    list-style: none;
}

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

/* ---- Typography ---- */
h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-text);
}

h1 {
    font-size: clamp(2rem, 4vw, 3.2rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.2rem, 2vw, 1.6rem);
}

h4 {
    font-size: 1.1rem;
    font-family: var(--font-body);
    font-weight: 600;
}

p {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

.section-label {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.section-title {
    margin-bottom: var(--space-lg);
}

.section-desc {
    max-width: 640px;
    margin-bottom: var(--space-3xl);
    font-size: 1.05rem;
}

/* ---- Layout ---- */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.section {
    padding: var(--space-5xl) 0;
}

.section--alt {
    background-color: var(--color-background-white);
}

.grid {
    display: grid;
    gap: var(--space-xl);
}

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

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

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

/* ============================================
   HEADER / NAVIGATION
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    transition: background-color var(--transition-base), box-shadow var(--transition-base);
}

.header--transparent {
    background-color: transparent;
}

.header--scrolled {
    background-color: rgba(26, 53, 87, 0.97);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(10px);
}

.header--solid {
    background-color: var(--color-primary);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.header__logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.05em;
}

.header__logo span {
    color: var(--color-accent);
}

.header__nav {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.header__nav a {
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    position: relative;
    padding: var(--space-xs) 0;
    transition: color var(--transition-fast);
}

.header__nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-base);
}

.header__nav a:hover,
.header__nav a.active {
    color: #fff;
}

.header__nav a:hover::after,
.header__nav a.active::after {
    width: 100%;
}

/* Mobile Menu Toggle */
.header__menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.header__menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: #fff;
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.header__menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.header__menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.header__menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 14px 32px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn--primary {
    background-color: var(--color-accent);
    color: #fff;
    box-shadow: 0 4px 16px rgba(244, 160, 58, 0.3);
}

.btn--primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(244, 160, 58, 0.4);
}

.btn--outline {
    background-color: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn--outline:hover {
    border-color: #fff;
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.btn--outline-dark {
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-border);
}

.btn--outline-dark:hover {
    border-color: var(--color-primary);
    background-color: var(--color-primary);
    color: #fff;
    transform: translateY(-2px);
}

.btn--large {
    padding: 18px 40px;
    font-size: 1.05rem;
}

.btn svg,
.btn .btn-icon {
    width: 18px;
    height: 18px;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background-color: var(--color-primary);
    overflow: hidden;
    padding-top: var(--header-height);
}

.hero__canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.15;
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(15, 34, 56, 0.9) 0%, rgba(26, 53, 87, 0.7) 100%);
    pointer-events: none;
}

.hero__content {
    position: relative;
    z-index: 2;
    padding: var(--space-4xl) 0;
}

.hero__heading {
    color: #fff;
    font-size: clamp(2.2rem, 4.5vw, 3.5rem);
    margin-bottom: var(--space-lg);
    max-width: 700px;
    line-height: 1.25;
}

.hero__subheading {
    color: rgba(255, 255, 255, 0.75);
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    max-width: 560px;
    margin-bottom: var(--space-2xl);
    line-height: 1.8;
}

.hero__actions {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-4xl);
    flex-wrap: wrap;
}

/* Hero Service Icons */
.hero__services {
    display: flex;
    gap: var(--space-2xl);
    flex-wrap: wrap;
}

.hero__service-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.hero__service-item:hover {
    color: #fff;
}

.hero__service-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-md);
    font-size: 1.2rem;
    transition: all var(--transition-base);
}

.hero__service-item:hover .hero__service-icon {
    background: rgba(244, 160, 58, 0.15);
    border-color: rgba(244, 160, 58, 0.3);
}

/* ============================================
   SERVICE CARDS
   ============================================ */
.service-card {
    background: var(--color-background-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-secondary);
    border-radius: var(--radius-md);
    font-size: 1.5rem;
    margin-bottom: var(--space-lg);
    transition: all var(--transition-base);
}

.service-card:hover .service-card__icon {
    background: var(--color-primary);
    color: #fff;
    transform: scale(1.05);
}

.service-card__title {
    font-family: var(--font-body);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.service-card__desc {
    font-size: 0.92rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

.service-card__list {
    margin-top: var(--space-md);
}

.service-card__list li {
    font-size: 0.9rem;
    color: var(--color-text-light);
    padding: var(--space-xs) 0;
    padding-left: var(--space-lg);
    position: relative;
}

.service-card__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: var(--color-accent);
    border-radius: var(--radius-full);
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.about__text h2 {
    margin-bottom: var(--space-lg);
}

.about__intro {
    font-size: 1.05rem;
    margin-bottom: var(--space-2xl);
}

.about__principles {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.principle-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--color-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.principle-item:hover {
    background: var(--color-primary);
    transform: translateY(-2px);
}

.principle-item:hover .principle-item__icon {
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-accent);
}

.principle-item:hover .principle-item__title,
.principle-item:hover .principle-item__desc {
    color: #fff;
}

.principle-item__icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: var(--color-accent);
    border-radius: var(--radius-sm);
    font-size: 1.1rem;
    transition: all var(--transition-base);
}

.principle-item__title {
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 2px;
    transition: color var(--transition-base);
}

.principle-item__desc {
    font-size: 0.82rem;
    color: var(--color-text-muted);
    transition: color var(--transition-base);
}

/* About Visual (right panel) */
.about__visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 420px;
}

.about__visual-bg {
    position: relative;
    width: 100%;
    height: 420px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.about__lang-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    padding: var(--space-2xl);
    width: 100%;
}

.lang-block {
    text-align: center;
    padding: var(--space-lg);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.lang-block:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(244, 160, 58, 0.3);
    transform: translateY(-3px);
}

.lang-block__char {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--color-accent);
    margin-bottom: var(--space-xs);
}

.lang-block__label {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 500;
    letter-spacing: 0.05em;
}

/* ============================================
   PROCESS / TIMELINE
   ============================================ */
.process__timeline {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--space-lg);
    position: relative;
}

.process__timeline::before {
    content: '';
    position: absolute;
    top: 42px;
    left: 8%;
    right: 8%;
    height: 2px;
    background: var(--color-border);
    z-index: 0;
}

.process__step {
    text-align: center;
    position: relative;
    z-index: 1;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.process__step.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.process__step-number {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-background-white);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-full);
    margin: 0 auto var(--space-md);
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-text-muted);
    transition: all var(--transition-base);
}

.process__step.is-visible .process__step-number {
    border-color: var(--color-accent);
    background: var(--color-accent);
    color: #fff;
}

.process__step-icon {
    font-size: 1.3rem;
    margin-bottom: var(--space-sm);
    opacity: 0.6;
    transition: opacity var(--transition-base);
}

.process__step.is-visible .process__step-icon {
    opacity: 1;
}

.process__step-title {
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.process__step-desc {
    font-size: 0.82rem;
    color: var(--color-text-muted);
}

/* ============================================
   QUALITY SECTION
   ============================================ */
.quality__list {
    max-width: 720px;
    margin: 0 auto;
}

.quality__item {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-lg) var(--space-xl);
    background: var(--color-background-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.quality__item.is-checked {
    opacity: 1;
    transform: translateX(0);
    border-color: transparent;
    box-shadow: var(--shadow-sm);
}

.quality__check {
    width: 36px;
    height: 36px;
    min-width: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.quality__check svg {
    width: 18px;
    height: 18px;
    stroke: #fff;
    stroke-width: 3;
    fill: none;
    stroke-dasharray: 24;
    stroke-dashoffset: 24;
    transition: stroke-dashoffset 0.4s ease;
}

.quality__item.is-checked .quality__check {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.quality__item.is-checked .quality__check svg {
    stroke-dashoffset: 0;
}

.quality__item-number {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-border);
    min-width: 30px;
    transition: color var(--transition-base);
}

.quality__item.is-checked .quality__item-number {
    color: var(--color-primary);
}

.quality__item-text {
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--color-text-muted);
    transition: color var(--transition-base);
}

.quality__item.is-checked .quality__item-text {
    color: var(--color-text);
}

.quality__item-content {
    flex: 1;
}

.quality__item-desc {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: 4px;
    line-height: 1.6;
    opacity: 0;
    transition: opacity 0.4s ease 0.2s;
}

.quality__item.is-checked .quality__item-desc {
    opacity: 1;
}

/* Quality Intro Section */
.quality-intro__grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.quality-intro__desc {
    font-size: 1.02rem;
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
    line-height: 1.8;
}

.quality-intro__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.quality-stat {
    text-align: center;
    padding: var(--space-xl) var(--space-md);
    background: var(--color-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-base);
}

.quality-stat:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
}

.quality-stat__number {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: var(--space-sm);
}

.quality-stat__number span {
    font-size: 1.6rem;
    color: var(--color-accent);
}

.quality-stat__label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-text-light);
    line-height: 1.4;
}

/* Quality Standards Cards */
.quality-card {
    background: var(--color-background);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    transition: all var(--transition-base);
    position: relative;
}

.quality-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: var(--color-accent);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    transition: width var(--transition-base);
}

.quality-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
    background: var(--color-background-white);
}

.quality-card:hover::after {
    width: 60%;
}

.quality-card__icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    transition: all var(--transition-base);
}

.quality-card:hover .quality-card__icon {
    transform: scale(1.08);
    box-shadow: 0 4px 12px rgba(26, 53, 87, 0.25);
}

.quality-card__img {
    width: 100%;
    height: 160px;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: var(--space-lg);
}

.quality-card__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.quality-card:hover .quality-card__img img {
    transform: scale(1.05);
}

.quality-card__title {
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 1.05rem;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.quality-card__desc {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* Quality Promise Banner */
.quality-promise {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: var(--radius-xl);
    padding: var(--space-3xl);
    position: relative;
    overflow: hidden;
}

.quality-promise::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(244, 160, 58, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

.quality-promise__inner {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    position: relative;
    z-index: 1;
}

.quality-promise__badge {
    width: 80px;
    height: 80px;
    min-width: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-lg);
}

.quality-promise__text {
    flex: 1;
}

.quality-promise__text h3 {
    font-family: var(--font-body);
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: var(--space-sm);
}

.quality-promise__text p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: start;
}

.contact__info h2 {
    margin-bottom: var(--space-lg);
}

.contact__info-desc {
    margin-bottom: var(--space-2xl);
}

.contact__details {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.contact__detail-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.contact__detail-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-secondary);
    border-radius: var(--radius-md);
    font-size: 1.2rem;
    color: var(--color-primary);
}

.contact__detail-label {
    font-size: 0.82rem;
    color: var(--color-text-muted);
    margin-bottom: 2px;
}

.contact__detail-value {
    font-weight: 700;
    font-size: 1.05rem;
}

/* Contact Form Panel */
.contact__form-panel {
    background: var(--color-background-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-md);
}

.contact__form-title {
    font-family: var(--font-body);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.contact__form-desc {
    font-size: 0.92rem;
    color: var(--color-text-light);
    margin-bottom: var(--space-xl);
}

.contact__btn-naver {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    width: 100%;
    padding: 18px;
    background: #03C75A;
    color: #fff;
    font-size: 1.05rem;
    font-weight: 700;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    margin-bottom: var(--space-xl);
}

.contact__btn-naver:hover {
    background: #02b350;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(3, 199, 90, 0.3);
}

.contact__privacy {
    background: var(--color-background);
    border-radius: var(--radius-sm);
    padding: var(--space-lg);
}

.contact__privacy-title {
    font-weight: 700;
    font-size: 0.85rem;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.contact__privacy-text {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ============================================
   ABOUT PAGE — Mission & Strengths & Stats
   ============================================ */

/* Mission Cards */
.about-mission__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.about-mission__card {
    text-align: center;
    padding: var(--space-2xl) var(--space-xl);
    background: var(--color-background);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    position: relative;
}

.about-mission__card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    transition: width var(--transition-base);
}

.about-mission__card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.about-mission__card:hover::before {
    width: 80%;
}

.about-mission__icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    border-radius: var(--radius-lg);
    margin: 0 auto var(--space-lg);
    transition: transform var(--transition-base);
}

.about-mission__card:hover .about-mission__icon {
    transform: scale(1.1);
}

.about-mission__title {
    font-family: var(--font-body);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.about-mission__desc {
    font-size: 0.92rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* Strengths (numbered list) */
.about-strengths {
    max-width: 800px;
    margin: 0 auto;
}

.about-strength__item {
    display: flex;
    gap: var(--space-xl);
    padding: var(--space-xl) 0;
    border-bottom: 1px solid var(--color-border-light);
    align-items: flex-start;
    transition: all var(--transition-base);
}

.about-strength__item:last-child {
    border-bottom: none;
}

.about-strength__item:hover {
    padding-left: var(--space-md);
}

.about-strength__number {
    font-family: var(--font-heading);
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--color-border);
    min-width: 60px;
    line-height: 1;
    transition: color var(--transition-base);
}

.about-strength__item:hover .about-strength__number {
    color: var(--color-accent);
}

.about-strength__content {
    flex: 1;
}

.about-strength__title {
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
    color: var(--color-text);
}

.about-strength__desc {
    font-size: 0.92rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* Stats Grid */
.about-stats__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.about-stats__card {
    text-align: center;
    padding: var(--space-2xl) var(--space-lg);
    background: var(--color-background);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.about-stats__card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
}

.about-stats__number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: var(--space-sm);
}

.about-stats__number span {
    font-size: 1.8rem;
    color: var(--color-accent);
}

.about-stats__label {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 4px;
}

.about-stats__detail {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* ============================================
   PROCESS PAGE — Intro, Detail Cards, FAQ
   ============================================ */

/* Process Intro */
.process-intro__grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.process-intro__desc {
    font-size: 1.02rem;
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
    line-height: 1.8;
}

.process-intro__highlights {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.process-highlight {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--color-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-base);
}

.process-highlight:hover {
    transform: translateX(6px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-sm);
}

.process-highlight__icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    border-radius: var(--radius-sm);
}

.process-highlight strong {
    display: block;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 2px;
}

.process-highlight p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin: 0;
    line-height: 1.5;
}

/* Process Detail Cards */
.process-detail__list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}

.process-detail__card {
    padding: var(--space-2xl);
    background: var(--color-background);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.process-detail__card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

.process-detail__header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.process-detail__num {
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    color: #fff;
    background: var(--color-accent);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
}

.process-detail__header h3 {
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text);
}

.process-detail__card p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* FAQ Section */
.faq__list {
    max-width: 800px;
    margin: 0 auto;
}

.faq__item {
    padding: var(--space-xl) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.faq__item:first-child {
    padding-top: 0;
}

.faq__item:last-child {
    border-bottom: none;
}

.faq__question {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    margin-bottom: var(--space-sm);
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--color-text);
    line-height: 1.5;
}

.faq__q-mark {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    min-width: 28px;
    background: var(--color-primary);
    color: var(--color-accent);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    margin-top: 2px;
}

.faq__answer {
    padding-left: calc(28px + var(--space-md));
    font-size: 0.92rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-primary-dark);
    color: rgba(255, 255, 255, 0.6);
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: var(--space-xl);
}

.footer__logo {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: var(--space-md);
}

.footer__logo span {
    color: var(--color-accent);
}

.footer__desc {
    font-size: 0.88rem;
    line-height: 1.7;
    max-width: 320px;
    margin-bottom: var(--space-xl);
}

.footer__nav {
    display: flex;
    gap: var(--space-lg);
}

.footer__nav a {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-fast);
}

.footer__nav a:hover {
    color: var(--color-accent);
}

.footer__business {
    font-size: 0.82rem;
    line-height: 2;
}

.footer__business-title {
    font-weight: 700;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-sm);
    font-size: 0.88rem;
}

.footer__copyright {
    text-align: center;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.35);
}

/* ============================================
   PAGE HEADER (for sub-pages)
   ============================================ */
.page-header {
    background: var(--color-primary);
    padding: calc(var(--header-height) + var(--space-4xl)) 0 var(--space-3xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at 30% 50%, rgba(46, 109, 164, 0.2) 0%, transparent 70%);
    pointer-events: none;
}

.page-header h1 {
    color: #fff;
    position: relative;
    z-index: 1;
    margin-bottom: var(--space-md);
}

.page-header p {
    color: rgba(255, 255, 255, 0.65);
    font-size: 1.05rem;
    position: relative;
    z-index: 1;
    max-width: 480px;
    margin: 0 auto;
}

/* ============================================
   ANIMATIONS
   ============================================ */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in {
    opacity: 0;
    transition: opacity 0.7s ease;
}

.fade-in.is-visible {
    opacity: 1;
}

/* Stagger children */
.stagger-children>* {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.stagger-children.is-visible>*:nth-child(1) {
    transition-delay: 0.1s;
}

.stagger-children.is-visible>*:nth-child(2) {
    transition-delay: 0.2s;
}

.stagger-children.is-visible>*:nth-child(3) {
    transition-delay: 0.3s;
}

.stagger-children.is-visible>*:nth-child(4) {
    transition-delay: 0.4s;
}

.stagger-children.is-visible>*:nth-child(5) {
    transition-delay: 0.5s;
}

.stagger-children.is-visible>*:nth-child(6) {
    transition-delay: 0.6s;
}

.stagger-children.is-visible>* {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */

/* Tablet */
@media (max-width: 768px) {
    :root {
        --header-height: 64px;
    }

    .header__nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--color-primary-dark);
        flex-direction: column;
        align-items: flex-start;
        padding: calc(var(--header-height) + var(--space-xl)) var(--space-xl);
        gap: var(--space-lg);
        transition: right var(--transition-base);
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.3);
    }

    .header__nav.open {
        right: 0;
    }

    .header__menu-btn {
        display: flex;
    }

    .grid--2,
    .grid--3 {
        grid-template-columns: 1fr;
    }

    .hero__heading {
        font-size: 1.8rem;
    }

    .hero__services {
        flex-direction: column;
        gap: var(--space-md);
    }

    .about__grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .about__visual {
        order: -1;
        min-height: 280px;
    }

    .about__visual-bg {
        height: 280px;
    }

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

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

    .process__timeline::before {
        display: none;
    }

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

    .quality-intro__grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

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

    .quality-promise__inner {
        flex-direction: column;
        text-align: center;
    }

    .quality-promise__inner .btn {
        width: 100%;
    }

    .about-mission__grid {
        grid-template-columns: 1fr;
    }

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

    .about-strength__number {
        font-size: 1.8rem;
        min-width: 40px;
    }

    .process-intro__grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .process-detail__list {
        grid-template-columns: 1fr;
    }

    .footer__inner {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .footer__nav {
        flex-wrap: wrap;
    }
}

/* Mobile */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }

    .section {
        padding: var(--space-3xl) 0;
    }

    .hero {
        min-height: auto;
        padding-top: calc(var(--header-height) + var(--space-xl));
        padding-bottom: var(--space-2xl);
    }

    .hero__heading {
        font-size: 1.6rem;
    }

    .hero__actions {
        flex-direction: column;
    }

    .hero__actions .btn {
        width: 100%;
    }

    .process__timeline {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .lang-block__char {
        font-size: 1.5rem;
    }

    .about__lang-grid {
        grid-template-columns: repeat(2, 1fr);
        padding: var(--space-lg);
    }

    .quality-intro__stats {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-sm);
    }

    .quality-stat__number {
        font-size: 2rem;
    }

    .quality-promise {
        padding: var(--space-xl);
    }

    .about-stats__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }

    .about-stats__number {
        font-size: 2.2rem;
    }

    .about-strength__item {
        gap: var(--space-md);
    }

    .faq__question {
        font-size: 0.95rem;
    }
}