/* ==============================================
   Home Page
   ============================================== */

/* --- Header (home only) --- */
.header-dark {
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.header-dark.scrolled {
    background: rgba(17, 17, 17, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

/* --- Hero --- */
.hero {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    height: 100vh;
    padding-top: var(--header-height);
    padding-left: 25%;
    text-align: left;
    background: #000000 url('/assets/images/background.webp') center center / cover no-repeat;
    color: #ffffff;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 640px;
    animation: heroFadeIn 1s ease forwards;
}

@keyframes heroFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-label {
    font-size: var(--font-size-sm);
    color: #888888;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: var(--space-md);
    opacity: 0;
    transform: translateY(10px);
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 2s;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-lg);
    color: #ffffff;
}

.hero-title .typewriter-wrap {
    display: inline-block;
    white-space: nowrap;
}

.hero-title .typewriter {
    display: inline;
}

.hero-title .cursor {
    display: inline-block;
    width: 3px;
    height: 1em;
    background: #ffffff;
    margin-left: 4px;
    vertical-align: -10%;
    animation: blink 0.8s step-end infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.hero-desc {
    font-size: var(--font-size-lg);
    color: #aaaaaa;
    margin-bottom: var(--space-2xl);
    line-height: 1.8;
    opacity: 0;
    transform: translateY(10px);
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 2.5s;
}

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

.hero-cta {
    display: flex;
    justify-content: flex-start;
    gap: var(--space-md);
}

.hero-cta .btn {
    opacity: 0;
    transform: translateY(10px);
    animation: fadeUp 0.8s ease forwards;
}

.hero-cta .btn:nth-child(1) {
    animation-delay: 3s;
}

.hero-cta .btn:nth-child(2) {
    animation-delay: 3.3s;
}

.hero-cta .btn-primary {
    background: #ffffff;
    color: #111111;
}

.hero-cta .btn-primary:hover {
    background: #e0e0e0;
}

.hero-cta .btn-outline {
    border-color: #555555;
    color: #ffffff;
}

.hero-cta .btn-outline:hover {
    border-color: #ffffff;
}

/* --- Scroll Indicator --- */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 1;
    opacity: 0;
    animation: scrollIndicatorIn 0.8s ease forwards;
    animation-delay: 3.6s;
    transition: opacity 0.4s ease;
}

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

.scroll-indicator.hidden {
    opacity: 0;
    pointer-events: none;
}

.scroll-text {
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #666666;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: #444444;
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    top: -100%;
    left: 0;
    width: 100%;
    height: 100%;
    background: #ffffff;
    animation: scrollDown 1.8s ease-in-out infinite;
}

@keyframes scrollDown {
    0% { top: -100%; }
    50% { top: 100%; }
    100% { top: 100%; }
}

/* --- Problem --- */
.problem {
    display: flex;
    align-items: center;
    padding: 5rem 0;
    background: var(--bg-primary);
}

.problem-label {
    font-family: var(--font-sans);
    font-size: 11px;
    color: var(--text-tertiary);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: var(--space-lg);
}

.problem-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
    letter-spacing: -0.5px;
    margin-bottom: var(--space-4xl);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0 var(--space-xl);
}

.problem-item {
    padding: var(--space-lg) 0;
    border-top: 1px solid var(--border-color);
}

.problem-number {
    display: block;
    font-family: var(--font-sans);
    font-size: 11px;
    color: var(--text-tertiary);
    letter-spacing: 1px;
    margin-bottom: var(--space-sm);
}

.problem-text {
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: #cccccc;
    line-height: 1.5;
}

/* --- Solution --- */
.solution {
    padding: 5rem 0;
    background: var(--bg-secondary);
}

.solution-label {
    font-family: var(--font-sans);
    font-size: 11px;
    color: var(--text-tertiary);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: var(--space-lg);
}

.solution-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
    letter-spacing: -0.5px;
    margin-bottom: var(--space-4xl);
}

.solution-title .to {
    color: var(--logo-to-color);
}

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

.solution-item {
    padding: var(--space-lg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-base);
}

.solution-item:hover {
    border-color: #444444;
    box-shadow: var(--card-shadow-hover);
}

.solution-keyword {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.solution-desc {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.6;
}

/* --- Tech Marquee --- */
.tech-marquee {
    padding: var(--space-xl) 0;
    overflow: hidden;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.marquee-track {
    display: flex;
    width: max-content;
    animation: marquee 30s linear infinite;
}

.marquee-inner {
    display: flex;
    gap: var(--space-3xl);
    padding-right: var(--space-3xl);
}

.marquee-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    white-space: nowrap;
    color: var(--text-tertiary);
    font-size: var(--font-size-base);
    transition: color var(--transition-fast);
}

.marquee-item i {
    font-size: 1.4rem;
}

.marquee-svg-icon {
    width: 1.4rem;
    height: 1.4rem;
}

.marquee-svg-icon path {
    transition: fill var(--transition-fast);
}

.marquee-item:hover {
    color: var(--text-primary);
}

.marquee-item[data-brand="html5"]:hover { color: #E34F26; }
.marquee-item[data-brand="css3"]:hover { color: #1572B6; }
.marquee-item[data-brand="javascript"]:hover { color: #F7DF1E; }
.marquee-item[data-brand="react"]:hover { color: #61DAFB; }
.marquee-item[data-brand="nextjs"]:hover { color: #ffffff; }
.marquee-item[data-brand="tailwind"]:hover { color: #06B6D4; }
.marquee-item[data-brand="nodejs"]:hover { color: #339933; }
.marquee-item[data-brand="python"]:hover .python-blue { fill: #3776AB; }
.marquee-item[data-brand="python"]:hover .python-yellow { fill: #FFD43B; }
.marquee-item[data-brand="firebase"]:hover { color: #FFCA28; }
.marquee-item[data-brand="supabase"]:hover { color: #3FCF8E; }
.marquee-item[data-brand="cloudflare"]:hover { color: #F38020; }
.marquee-item[data-brand="vercel"]:hover { color: #ffffff; }
.marquee-item[data-brand="aws"]:hover { color: #FF9900; }
.marquee-item[data-brand="chatgpt"]:hover { color: #74AA9C; }
.marquee-item[data-brand="claude"]:hover { color: #D97757; }
.marquee-item[data-brand="git"]:hover { color: #F05032; }


@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-33.333%); }
}

/* --- Responsive Demo --- */
.responsive-demo {
    background: #0a0a0a;
    overflow: hidden;
    padding: 5rem 0;
}

.demo-header {
    text-align: center;
    margin-bottom: 52px;
}

.demo-title {
    font-size: clamp(1.75rem, 3.5vw, 2.25rem);
    font-weight: 700;
    color: #e8e8e8;
    line-height: 1.5;
}

.demo-desc {
    margin-top: 14px;
    font-size: 17px;
    color: #6b6b7b;
    line-height: 1.6;
}

.demo-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 44px;
    background: rgba(255, 255, 255, 0.04);
    padding: 6px;
    border-radius: 12px;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
}

.demo-tab {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 12px 24px;
    background: transparent;
    border: none;
    border-radius: 10px;
    color: #5a5a6e;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s;
    font-family: inherit;
}

.demo-tab:hover {
    color: #9a9ab0;
}

.demo-tab.on {
    background: rgba(255, 255, 255, 0.1);
    color: #e0e0e0;
}

.demo-tab.on i {
    opacity: 1;
}

.demo-tab i {
    opacity: 0.7;
    font-size: 16px;
}

.demo-viewport {
    display: flex;
    justify-content: center;
}

/* === Demo Frame (내부 샘플 사이트) === */
.demo-frame {
    width: 100%;
    max-height: 560px;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.35);
    transition: width 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.demo-frame.desktop { width: 100%; }
.demo-frame.laptop { width: 80%; }
.demo-frame.tablet { width: 56%; }
.demo-frame.mobile { width: 32%; min-width: 320px; }

/* Nav */
.demo-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    height: 56px;
    background: #fff;
    border-bottom: 1px solid #eee;
    position: relative;
    z-index: 10;
}

.demo-frame.desktop .demo-nav,
.demo-frame.laptop .demo-nav {
    background: transparent;
    border-bottom: none;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10;
}

.demo-logo {
    font-size: 15px;
    font-weight: 700;
    color: #2c2c2c;
    letter-spacing: -0.3px;
}

.demo-logo em {
    font-style: normal;
    color: #b08968;
}

.demo-frame.desktop .demo-logo,
.demo-frame.laptop .demo-logo {
    color: #fff;
}

.demo-menu {
    display: flex;
    gap: 28px;
    list-style: none;
}

.demo-menu li {
    font-size: 13px;
    color: #888;
    font-weight: 400;
    cursor: pointer;
    transition: color 0.2s;
}

.demo-menu li:hover { color: #333; }

.demo-frame.desktop .demo-menu li,
.demo-frame.laptop .demo-menu li {
    color: rgba(255, 255, 255, 0.6);
}

.demo-frame.desktop .demo-menu li:hover,
.demo-frame.laptop .demo-menu li:hover {
    color: #fff;
}

.demo-nav-cta {
    padding: 7px 16px;
    background: #2c2c2c;
    color: #fff;
    font-size: 12px;
    font-weight: 500;
    border-radius: 6px;
    cursor: pointer;
}

.demo-frame.desktop .demo-nav-cta,
.demo-frame.laptop .demo-nav-cta {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(4px);
}

.demo-hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: 4px;
}

.demo-hamburger span {
    width: 18px;
    height: 1.5px;
    background: #333;
    border-radius: 1px;
}

/* Hero Wrapper */
.demo-hero-wrapper {
    position: relative;
}

.demo-frame.tablet .demo-hero-wrapper,
.demo-frame.mobile .demo-hero-wrapper {
    display: contents;
}

/* Hero */
.demo-hero {
    position: relative;
    height: 380px;
    overflow: hidden;
    display: flex;
    align-items: center;
    padding: 0 48px;
}

.demo-frame.desktop .demo-hero,
.demo-frame.laptop .demo-hero {
    padding-top: 56px;
}

.demo-hero-bg {
    position: absolute;
    inset: 0;
    background: url('https://images.unsplash.com/photo-1447933601403-0c6688de566e?w=1400&q=80') center/cover no-repeat;
}

.demo-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(30, 20, 12, 0.85) 0%, rgba(30, 20, 12, 0.55) 50%, rgba(30, 20, 12, 0.2) 100%);
}

.demo-hero-content {
    position: relative;
    z-index: 2;
    max-width: 420px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.demo-hero-sub {
    font-size: 11px;
    font-weight: 500;
    color: #b08968;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 14px;
}

.demo-hero-content h2 {
    font-size: 26px;
    font-weight: 700;
    color: #fff;
    line-height: 1.45;
    letter-spacing: -0.5px;
}

.demo-hero-content h2 span {
    color: rgba(255, 255, 255, 0.45);
    font-weight: 300;
}

.demo-hero-desc {
    margin-top: 14px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.7;
}

.demo-hero-btn {
    margin-top: 18px;
    align-self: flex-start;
    padding: 7px 18px;
    background: #b08968;
    color: #fff;
    font-size: 11px;
    font-weight: 500;
    border-radius: 4px;
    letter-spacing: 0.5px;
    cursor: pointer;
}

/* Band */
.demo-band {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 32px;
    background: #faf8f5;
}

.demo-band-text {
    font-size: 12px;
    color: #999;
}

.demo-band-text strong {
    color: #555;
    font-weight: 600;
}

.demo-band-links {
    display: flex;
    gap: 16px;
}

.demo-band-links span {
    font-size: 11px;
    color: #aaa;
    cursor: pointer;
}

/* Cards */
.demo-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    padding: 28px 32px;
    background: #fff;
}

.demo-card {
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #eee;
    cursor: pointer;
    transition: box-shadow 0.2s;
}

.demo-card:hover {
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.demo-card-thumb {
    height: 140px;
    position: relative;
    overflow: hidden;
}

.demo-card-thumb-inner {
    width: 100%;
    height: 100%;
}

.demo-thumb-1 .demo-card-thumb-inner {
    background: url('https://images.unsplash.com/photo-1509042239860-f550ce710b93?w=600&q=80') center/cover no-repeat;
}

.demo-thumb-2 .demo-card-thumb-inner {
    background: url('https://images.unsplash.com/photo-1461023058943-07fcbe16d735?w=600&q=80') center/cover no-repeat;
}

.demo-thumb-3 .demo-card-thumb-inner {
    background: url('https://images.unsplash.com/photo-1530610476181-d83430b64dcd?w=600&q=80') center/cover no-repeat;
}

.demo-card-tag {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 3px 8px;
    background: rgba(0, 0, 0, 0.45);
    color: #fff;
    font-size: 10px;
    font-weight: 500;
    border-radius: 3px;
    backdrop-filter: blur(4px);
}

.demo-card-body {
    padding: 14px;
}

.demo-card-body h5 {
    font-size: 13px;
    font-weight: 600;
    color: #2c2c2c;
    letter-spacing: -0.2px;
}

.demo-card-body p {
    margin-top: 5px;
    font-size: 11px;
    color: #aaa;
    line-height: 1.6;
}

.demo-card-price {
    margin-top: 10px;
    font-size: 14px;
    font-weight: 700;
    color: #2c2c2c;
}

.demo-card-price small {
    font-size: 11px;
    font-weight: 400;
    color: #bbb;
    text-decoration: line-through;
    margin-left: 6px;
}


/* === Demo Frame 디바이스별 반응형 === */

/* Tablet / Mobile 공통 */
.demo-frame.tablet .demo-menu,
.demo-frame.mobile .demo-menu { display: none; }
.demo-frame.tablet .demo-nav-cta,
.demo-frame.mobile .demo-nav-cta { display: none; }
.demo-frame.tablet .demo-hamburger,
.demo-frame.mobile .demo-hamburger { display: flex; }

/* Tablet */
.demo-frame.tablet .demo-hero { height: 240px; padding: 0 32px; }
.demo-frame.tablet .demo-hero-content h2 { font-size: 21px; }
.demo-frame.tablet .demo-cards { grid-template-columns: repeat(2, 1fr); }
.demo-frame.tablet .demo-band-links { display: none; }

/* Mobile */
.demo-frame.mobile .demo-hero { height: 200px; padding: 0 24px; justify-content: center; }
.demo-frame.mobile .demo-hero-content { text-align: center; max-width: 100%; }
.demo-frame.mobile .demo-hero-content h2 { font-size: 18px; }
.demo-frame.mobile .demo-hero-btn { align-self: center; }
.demo-frame.mobile .demo-hero-desc { display: none; }
.demo-frame.mobile .demo-band { flex-direction: column; gap: 4px; padding: 14px 20px; }
.demo-frame.mobile .demo-band-links { display: none; }
.demo-frame.mobile .demo-cards { grid-template-columns: 1fr; padding: 20px; gap: 12px; }
.demo-frame.mobile .demo-card-thumb { height: 130px; }
.demo-frame.mobile .demo-nav { padding: 0 20px; }

/* --- Inquiry Timeline CTA --- */
.inquiry-cta {
    background: var(--bg-secondary);
}

.inquiry-cta-grid {
    display: grid;
    grid-template-columns: 400px 1fr;
    align-items: center;
    gap: 80px;
}

.inquiry-cta-title {
    font-size: clamp(1.7rem, 3vw, 2.4rem);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.4;
}

.inquiry-cta-desc {
    margin-top: var(--space-lg);
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    line-height: 1.7;
}

.inquiry-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: var(--space-2xl);
    padding: 18px 48px;
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.inquiry-cta-btn i {
    font-size: 14px;
    transition: transform var(--transition-fast);
}

.inquiry-cta-btn:hover i {
    transform: translateX(4px);
}

/* Timeline */
.inquiry-timeline {
    position: relative;
    overflow: hidden;
}

.timeline-swiper {
    height: 520px;
    overflow: hidden;
    padding-right: 4px;
}

.timeline-line {
    position: absolute;
    left: 81px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
    z-index: 1;
}

.timeline-fade-top {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 40px;
    background: linear-gradient(180deg, var(--bg-secondary), transparent);
    z-index: 3;
    pointer-events: none;
}

.timeline-fade-bottom {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(180deg, transparent, var(--bg-secondary) 70%);
    z-index: 3;
    pointer-events: none;
}

/* Timeline Item */
.timeline-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 16px 0;
}

.timeline-date {
    flex-shrink: 0;
    width: 56px;
    text-align: center;
}

.timeline-day {
    display: block;
    font-size: 28px;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}

.timeline-month {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-tertiary);
    margin-top: 4px;
    letter-spacing: 0.5px;
}

/* Dot */
.timeline-dot {
    flex-shrink: 0;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-top: 8px;
    border: 3px solid var(--bg-secondary);
    position: relative;
    z-index: 2;
}

.dot-maintenance {
    background: #888888;
    box-shadow: 0 0 0 2px #888888, 0 2px 8px rgba(136, 136, 136, 0.3);
}

.dot-inquiry {
    background: #3B82F6;
    box-shadow: 0 0 0 2px #3B82F6, 0 2px 8px rgba(59, 130, 246, 0.3);
}

.dot-estimate {
    background: #e0e0e0;
    box-shadow: 0 0 0 2px #e0e0e0, 0 2px 8px rgba(224, 224, 224, 0.3);
}

/* Timeline Card */
.timeline-card {
    flex: 1;
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    padding: 18px 22px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.timeline-card:hover {
    box-shadow: var(--card-shadow-hover);
    transform: translateX(4px);
    border-color: #333333;
}

.timeline-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.timeline-tag {
    display: inline-flex;
    align-items: center;
    padding: 5px 10px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: -0.3px;
}

.tag-maintenance {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.tag-inquiry {
    background: #1a2744;
    color: #6B9FFF;
}

.tag-estimate {
    background: #e0e0e0;
    color: #111111;
}

.timeline-number {
    font-size: 12px;
    color: var(--text-tertiary);
    font-weight: 500;
}

.timeline-card-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
}

.timeline-card-footer {
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
    font-size: 13px;
    color: var(--text-tertiary);
}

.timeline-author {
    font-weight: 500;
    color: var(--text-secondary);
}

.timeline-time {
    display: flex;
    align-items: center;
    gap: 4px;
}

.timeline-time::before {
    content: '';
    width: 4px;
    height: 4px;
    background: #555;
    border-radius: 50%;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }

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

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

    .inquiry-cta-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .hero {
        height: 100vh;
        padding-left: 0;
        justify-content: center;
        text-align: center;
    }

    .scroll-indicator {
        bottom: 24px;
    }

    .scroll-line {
        height: 30px;
    }

    .hero-title {
        font-size: var(--font-size-2xl);
    }

    .hero-desc {
        font-size: var(--font-size-base);
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .problem {
        min-height: auto;
    }

    .problem-title {
        margin-bottom: var(--space-3xl);
    }

    .problem-grid {
        grid-template-columns: 1fr 1fr;
        gap: 0 var(--space-lg);
    }

    .solution-title {
        margin-bottom: var(--space-3xl);
    }

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

    .demo-tabs {
        gap: 4px;
    }

    .demo-tab {
        padding: 8px 14px;
        font-size: 12px;
    }

    .demo-tab span {
        display: none;
    }

    .responsive-demo {
        display: none;
    }

    .inquiry-cta-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
        text-align: center;
    }

    .inquiry-cta-btn {
        padding: 16px 36px;
    }

    .timeline-swiper {
        height: 360px;
    }

    .timeline-card-footer {
        display: none;
    }
}