/* ══════════════════════════════════════
   ONE AI SOLUTION — Style Sheet
   Theme: White/Navy B2B Professional
   ══════════════════════════════════════ */

/* ── Variables ── */
:root {
    --navy:           #0f2b5b;
    --blue:           #1d5fd8;
    --blue-dark:      #1752c0;
    --blue-light:     #e8f0fe;
    --teal:           #0ea5a0;
    --white:          #ffffff;
    --bg:             #ffffff;
    --bg-alt:         #f8fafd;
    --bg-process:     #f0f5ff;
    --text:           #0f172a;
    --text-mid:       #475569;
    --text-light:     #94a3b8;
    --border:         #e2e8f0;
    --shadow-sm:      0 2px 8px rgba(0,0,0,0.06);
    --shadow-md:      0 8px 24px rgba(0,0,0,0.08);
    --shadow-lg:      0 20px 48px rgba(0,0,0,0.10);
    --gradient-navy:  linear-gradient(135deg, #0a1f45 0%, #0f2b5b 50%, #1a3d7c 100%);
    --gradient-blue:  linear-gradient(135deg, #1d5fd8 0%, #0ea5a0 100%);
    --gradient-text:  linear-gradient(to right, #1d5fd8, #0ea5a0);
    --font:           'Pretendard', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --ease:           cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition:     all 0.3s var(--ease);
}

/* ── Theme: Dark Navy (Hero, CTA) ── */
.theme-hero {
    background: var(--gradient-navy);
    color: #ffffff;
    --text: #ffffff;
    --text-mid: rgba(255,255,255,0.75);
    --border: rgba(255,255,255,0.15);
}
.theme-blue {
    color: #ffffff;
    --text: #ffffff;
    --text-mid: #bfdbfe;
    --border: rgba(255,255,255,0.15);
    --bg: rgba(255,255,255,0.06);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.2);
}
/* .section.theme-blue는 specificity (0,2,0) > .section (0,1,0) → 배경 덮어쓰기 승리 */
.section.theme-blue,
.theme-blue:not(.section) {
    background: var(--navy);
}

/* ── Reset ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    font-size: 16px;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; }
img { max-width: 100%; }

/* ── Layout ── */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}
.section {
    padding: 7rem 0;
    background: var(--bg);
    color: var(--text);
}
.section-header { margin-bottom: 3.5rem; }
.section-header.center { text-align: center; }
.section-title { font-size: 2.25rem; font-weight: 800; margin-bottom: 1rem; }
.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-mid);
    max-width: 560px;
    line-height: 1.7;
}
.section-header.center .section-subtitle { margin: 0 auto; }

/* ── Typography ── */
.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── Badge ── */
.badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    border-radius: 999px;
    background: var(--blue-light);
    border: 1px solid rgba(29,95,216,0.2);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--blue);
    margin-bottom: 1.25rem;
}
.badge-accent { background: var(--blue-light); color: var(--blue); }

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: var(--font);
}
.btn-primary {
    background: var(--blue);
    color: white;
    box-shadow: 0 4px 14px rgba(29,95,216,0.3);
}
.btn-primary:hover {
    background: var(--blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(29,95,216,0.4);
}
/* Hero buttons — white/transparent on dark bg */
.btn-hero-primary {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 1rem 2rem;
    background: white;
    color: var(--navy);
    border-radius: 8px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    font-family: var(--font);
}
.btn-hero-primary:hover {
    background: #f0f5ff;
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(0,0,0,0.25);
}
.btn-hero-secondary {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 1rem 2rem;
    background: transparent;
    color: white;
    border: 1.5px solid rgba(255,255,255,0.5);
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font);
}
.btn-hero-secondary:hover {
    background: rgba(255,255,255,0.1);
    border-color: white;
}
.btn.large { padding: 1.125rem 2.25rem; font-size: 1.125rem; }

/* ── Navbar ── */
.navbar {
    position: fixed;
    top: 0; left: 0; width: 100%;
    z-index: 1000;
    padding: 1.25rem 0;
    transition: var(--transition);
}
.navbar.scrolled {
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 var(--border), var(--shadow-sm);
    padding: 0.875rem 0;
}
.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-size: 1.2rem;
    font-weight: 800;
    color: white;
    letter-spacing: -0.5px;
}
.logo-light { color: white; }
.navbar.scrolled .logo { color: var(--navy); }
.logo-icon {
    width: 32px; height: 32px;
    background: var(--gradient-blue);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    color: white; font-size: 1rem;
    flex-shrink: 0;
}
.nav-links {
    display: flex;
    gap: 2rem;
}
.nav-links li a {
    font-size: 0.95rem;
    font-weight: 500;
    color: rgba(255,255,255,0.8);
    transition: var(--transition);
}
.nav-links li a:hover { color: white; }
.navbar.scrolled .nav-links li a { color: var(--text-mid); }
.navbar.scrolled .nav-links li a:hover { color: var(--navy); }
.btn-nav {
    padding: 0.55rem 1.25rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    background: white;
    color: var(--navy);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font);
}
.btn-nav:hover { background: #f0f5ff; }
.navbar.scrolled .btn-nav {
    background: var(--blue);
    color: white;
}
.navbar.scrolled .btn-nav:hover { background: var(--blue-dark); }
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.6rem;
    cursor: pointer;
    padding: 0.25rem;
}
.navbar.scrolled .mobile-toggle { color: var(--navy); }

/* ── Mobile Drawer ── */
.mobile-drawer {
    position: fixed;
    top: 0; right: -100%;
    width: 300px; height: 100vh;
    background: white;
    z-index: 10000;
    transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 1.5rem 2rem;
    box-shadow: -8px 0 40px rgba(0,0,0,0.15);
    display: flex;
    flex-direction: column;
    gap: 0;
    overflow-y: auto;
}
.mobile-drawer.open { right: 0; }
.drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}
.drawer-overlay.open { opacity: 1; pointer-events: auto; }
.drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}
.drawer-header .logo { color: var(--navy); }
.drawer-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-mid);
    padding: 0.25rem;
    display: flex; align-items: center;
}
.drawer-links { display: flex; flex-direction: column; flex: 1; }
.drawer-links li a {
    display: block;
    padding: 1rem 0;
    border-bottom: 1px solid #f1f5f9;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text);
    transition: color 0.2s;
}
.drawer-links li a:hover { color: var(--blue); }
.drawer-links li .drawer-cta {
    display: block;
    margin-top: 1.5rem;
    background: var(--blue);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    text-align: center;
    border-bottom: none;
    font-weight: 700;
}
.drawer-footer-info {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    font-size: 0.85rem;
    color: var(--text-mid);
    line-height: 1.8;
}

/* ── Hero ── */
.hero {
    padding: 11rem 0 8rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}
.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 70% 50%, rgba(29,95,216,0.25) 0%, transparent 60%);
    pointer-events: none;
}
.hero-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
    width: 100%;
    position: relative;
    z-index: 1;
}
.hero-content { max-width: 560px; flex: 1; }
.hero-badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    border-radius: 999px;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.3);
    font-size: 0.8rem;
    font-weight: 600;
    color: rgba(255,255,255,0.9);
    margin-bottom: 1.5rem;
    letter-spacing: 0.3px;
}
.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    color: white;
    letter-spacing: -1.5px;
}
.hero-accent {
    background: linear-gradient(to right, #60a5fa, #34d399);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-desc {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.78);
    margin-bottom: 2.5rem;
    line-height: 1.85;
}
.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3.5rem;
}
.stats-row {
    display: flex;
    align-items: center;
    gap: 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.15);
}
.stat-item {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 0 1.5rem;
}
.stat-item:first-child { padding-left: 0; }
.stat-value {
    font-size: 2rem;
    font-weight: 800;
    color: white;
    line-height: 1;
}
.stat-plus { font-size: 1.25rem; }
.stat-label { font-size: 0.78rem; color: rgba(255,255,255,0.6); margin-top: 0.3rem; }
.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,0.15);
    flex-shrink: 0;
}

/* ── Dashboard Mockup (Hero Visual) ── */
.hero-visual { flex: 1; display: flex; justify-content: flex-end; perspective: 1200px; }
.dashboard-mockup {
    width: 460px;
    background: white;
    border-radius: 14px;
    box-shadow: 0 32px 64px rgba(0,0,0,0.35), 0 0 0 1px rgba(255,255,255,0.1);
    overflow: hidden;
    transform: rotateY(-8deg) rotateX(4deg);
    transition: transform 0.5s ease;
}
.dashboard-mockup:hover { transform: rotateY(0) rotateX(0) translateY(-8px); }
.dash-topbar {
    background: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.dash-dots { display: flex; gap: 6px; }
.dash-dots span {
    width: 10px; height: 10px; border-radius: 50%;
}
.dash-dots span:nth-child(1) { background: #ff5f56; }
.dash-dots span:nth-child(2) { background: #ffbd2e; }
.dash-dots span:nth-child(3) { background: #27c93f; }
.dash-title-bar { font-size: 0.78rem; color: #64748b; font-weight: 600; }
.dash-body {
    padding: 1.25rem;
    background: #f8fafc;
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
}
.kpi-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 0.625rem; }
.kpi-card {
    background: white;
    border-radius: 10px;
    padding: 0.875rem 0.75rem;
    border: 1px solid #e2e8f0;
    text-align: center;
}
.kpi-icon { font-size: 1.2rem; color: var(--blue); display: block; margin-bottom: 0.25rem; }
.kpi-num { font-size: 1.4rem; font-weight: 800; color: #0f172a; line-height: 1; }
.kpi-desc { font-size: 0.6rem; color: #94a3b8; margin-top: 0.15rem; }
.kpi-delta { font-size: 0.6rem; color: #10b981; font-weight: 600; margin-top: 0.2rem; }
.dash-bars {
    background: white;
    border-radius: 10px;
    padding: 1rem;
    border: 1px solid #e2e8f0;
}
.dash-bar-label { font-size: 0.72rem; font-weight: 700; color: #475569; margin-bottom: 0.75rem; }
.dash-bar-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.55rem;
}
.dash-bar-item:last-child { margin-bottom: 0; }
.dbar-name { width: 72px; font-size: 0.65rem; color: #64748b; text-align: right; flex-shrink: 0; }
.dbar { flex: 1; height: 7px; background: #f1f5f9; border-radius: 4px; overflow: hidden; }
.dbar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--blue), var(--teal));
    border-radius: 4px;
}
.dbar-pct { font-size: 0.65rem; color: #475569; font-weight: 600; width: 30px; flex-shrink: 0; }
.dash-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.7rem;
    color: #64748b;
    background: white;
    border-radius: 8px;
    padding: 0.625rem 0.875rem;
    border: 1px solid #e2e8f0;
}
.live-dot {
    width: 7px; height: 7px;
    background: #10b981;
    border-radius: 50%;
    flex-shrink: 0;
    animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(16,185,129,0.4); }
    50% { opacity: 0.7; box-shadow: 0 0 0 4px rgba(16,185,129,0); }
}

/* ── Problems Section ── */
.problems-section { background: var(--bg); }
.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
}
.problem-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    border-left: 3px solid transparent;
}
.problem-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--border);
    border-left-color: var(--blue);
}
.icon-box {
    width: 48px; height: 48px;
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px;
    margin-bottom: 1.25rem;
}
.icon-box.red    { background: #fef2f2; color: #ef4444; }
.icon-box.orange { background: #fff7ed; color: #f97316; }
.icon-box.yellow { background: #fefce8; color: #ca8a04; }
.icon-box.blue   { background: #eff6ff; color: #3b82f6; }
.icon-box.teal   { background: #f0fdfa; color: #0d9488; }
.problem-card h3 { font-size: 1.05rem; margin-bottom: 0.75rem; color: var(--text); }
.problem-card p  { color: var(--text-mid); font-size: 0.9rem; line-height: 1.7; }

/* ── Process Section ── */
.process-section { background: var(--bg-process); }
.process-track {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
}
.process-step {
    flex: 1;
    background: white;
    border-radius: 16px;
    border: 1px solid var(--border);
    padding: 2rem 1.5rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    position: relative;
    transition: var(--transition);
}
.process-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.step-num-badge {
    position: absolute;
    top: 1rem; right: 1rem;
    font-size: 2.5rem;
    font-weight: 900;
    color: rgba(29,95,216,0.06);
    line-height: 1;
}
.step-icon {
    width: 56px; height: 56px;
    background: var(--gradient-blue);
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 26px;
    color: white;
    margin: 0 auto 1.25rem;
}
.process-step h3 { font-size: 1.1rem; margin-bottom: 0.75rem; color: var(--text); }
.process-step p  { font-size: 0.88rem; color: var(--text-mid); line-height: 1.7; margin-bottom: 1rem; }
.step-tag {
    display: inline-block;
    padding: 0.25rem 0.875rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--blue-light);
    color: var(--blue);
    border: 1px solid rgba(29,95,216,0.2);
}
.step-tag.free {
    background: #ecfdf5;
    color: #059669;
    border-color: rgba(5,150,105,0.2);
}
.process-arrow {
    display: flex;
    align-items: center;
    padding: 0 0.75rem;
    color: var(--blue);
    font-size: 1.5rem;
    flex-shrink: 0;
    margin-top: 3rem;
    opacity: 0.5;
}

/* ── Services Section (Bento Grid) ── */
.services-section { background: var(--bg-alt); }
.bento-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: minmax(260px, auto);
    gap: 1.25rem;
}
.bento-item {
    background: white;
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 2.25rem;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}
.bento-item::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(600px circle at var(--mouse-x,0) var(--mouse-y,0), rgba(29,95,216,0.04), transparent 40%);
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}
.bento-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(29,95,216,0.2); }
.bento-item:hover::before { opacity: 1; }
.bento-item.span-2 { grid-column: span 2; }
.bento-content { position: relative; z-index: 1; height: 100%; display: flex; flex-direction: column; }
.icon-circle {
    width: 52px; height: 52px;
    border-radius: 14px;
    background: var(--blue-light);
    display: flex; align-items: center; justify-content: center;
    font-size: 24px;
    color: var(--blue);
    margin-bottom: 1.25rem;
    transition: var(--transition);
}
.bento-item:hover .icon-circle { background: var(--blue); color: white; }
.bento-item h3 { font-size: 1.2rem; margin-bottom: 0.875rem; color: var(--text); }
.bento-item p  { color: var(--text-mid); font-size: 0.9rem; line-height: 1.75; flex-grow: 1; margin-bottom: 1.25rem; }
.feature-list { margin-top: auto; }
.feature-list li {
    display: flex; align-items: center; gap: 0.5rem;
    color: var(--text); font-size: 0.9rem;
    margin-bottom: 0.5rem; font-weight: 500;
}
.feature-list li i { color: var(--teal); font-size: 1rem; }

/* ── About Section ── */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.about-desc { font-size: 1.1rem; color: var(--text-mid); margin-bottom: 2.5rem; line-height: 1.85; }
.about-desc strong { color: white; }
.capability-list { display: flex; flex-direction: column; gap: 1.25rem; }
.cap-item {
    display: flex; gap: 1.25rem;
    padding: 1.5rem;
    background: rgba(255,255,255,0.08);
    border-radius: 14px;
    border: 1px solid rgba(255,255,255,0.12);
}
.cap-item > i { font-size: 1.75rem; color: #60a5fa; flex-shrink: 0; margin-top: 0.1rem; }
.cap-item h4 { font-size: 1rem; margin-bottom: 0.35rem; color: white; }
.cap-item p  { color: var(--text-mid); font-size: 0.875rem; }
.glass-panel {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 18px;
    padding: 2rem;
    backdrop-filter: blur(20px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}
.panel-header {
    font-size: 1.1rem; font-weight: 700; color: white;
    margin-bottom: 1.75rem; padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.chart-bars { display: flex; flex-direction: column; gap: 1.25rem; margin-bottom: 1.75rem; }
.chart-row { width: 100%; }
.label { display: block; margin-bottom: 0.4rem; font-size: 0.82rem; color: rgba(255,255,255,0.65); }
.bar-bg { width: 100%; height: 7px; background: rgba(255,255,255,0.08); border-radius: 4px; overflow: hidden; }
.bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #60a5fa, #34d399);
    border-radius: 4px;
    position: relative;
}
.bar-fill::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2.5s infinite;
}
@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}
.panel-footer { display: flex; gap: 1rem; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,0.08); }
.kpi-box {
    flex: 1;
    background: rgba(0,0,0,0.2);
    border-radius: 10px;
    padding: 1rem;
    text-align: center;
}
.kpi-val  { display: block; font-size: 1.75rem; font-weight: 800; color: #60a5fa; line-height: 1; margin-bottom: 0.4rem; }
.kpi-label { font-size: 0.72rem; color: rgba(255,255,255,0.55); }

/* ── Effects Section ── */
.effects-section { background: var(--bg); }
.effects-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}
.effect-block {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2.5rem 1.5rem;
    text-align: center;
    transition: var(--transition);
}
.effect-block:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--blue); }
.effect-num {
    font-size: 2.75rem;
    font-weight: 900;
    color: var(--navy);
    line-height: 1;
    margin-bottom: 0.625rem;
}
.effect-num span { font-size: 1.5rem; color: var(--blue); }
.effect-title { font-size: 1rem; font-weight: 700; color: var(--text); margin-bottom: 0.5rem; }
.effect-desc  { font-size: 0.82rem; color: var(--text-mid); line-height: 1.6; }
.fit-box {
    background: var(--blue-light);
    border: 1px solid rgba(29,95,216,0.15);
    border-radius: 20px;
    padding: 3rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
}
.fit-box h3 { font-size: 1.35rem; color: var(--navy); }
.fit-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0.625rem 2rem; }
.fit-list li {
    display: flex; align-items: flex-start; gap: 0.625rem;
    font-size: 0.925rem; color: var(--text); font-weight: 500;
}
.fit-list li i { color: var(--blue); font-size: 1.1rem; flex-shrink: 0; margin-top: 0.1rem; }

/* ── Differentiation Section ── */
.diff-section { background: var(--bg-alt); }
.diff-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.diff-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.diff-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(29,95,216,0.2); }
.diff-number {
    font-size: 6rem; font-weight: 900;
    color: rgba(15,43,91,0.04);
    position: absolute;
    top: -10px; right: 10px;
    line-height: 1; z-index: 0;
}
.diff-card h3 { font-size: 1.35rem; margin-bottom: 0.875rem; position: relative; z-index: 1; }
.diff-card p  { color: var(--text-mid); position: relative; z-index: 1; font-size: 0.95rem; line-height: 1.7; }

/* ── FAQ Section ── */
.faq-section { background: white; }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text);
    text-align: left;
    font-family: var(--font);
    gap: 1rem;
    transition: color 0.2s;
}
.faq-question:hover { color: var(--blue); }
.faq-icon {
    font-size: 1.1rem;
    color: var(--blue);
    flex-shrink: 0;
    transition: transform 0.3s ease;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}
.faq-answer p {
    color: var(--text-mid);
    line-height: 1.85;
    font-size: 0.97rem;
    padding-bottom: 1.5rem;
}
.faq-item.open .faq-answer { max-height: 300px; }

/* ── CTA / Contact Section ── */
.cta-section {
    background: var(--gradient-navy);
    color: white;
    padding: 7rem 0;
}
.cta-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 24px;
    padding: 4rem;
}
.cta-text h2 { font-size: 2.25rem; font-weight: 900; margin-bottom: 1.25rem; color: white; line-height: 1.2; }
.cta-text p  { font-size: 1.05rem; color: rgba(255,255,255,0.75); line-height: 1.85; margin-bottom: 0; }
.contact-info-list { display: flex; flex-direction: column; gap: 1rem; margin-top: 2.5rem; }
.contact-info-item {
    display: flex; align-items: center; gap: 0.875rem;
    color: rgba(255,255,255,0.85); font-size: 0.95rem;
}
.contact-info-item i { font-size: 1.25rem; color: #60a5fa; flex-shrink: 0; }
.contact-form-wrap { position: relative; }
.contact-form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: rgba(255,255,255,0.85);
    margin-bottom: 0.5rem;
}
.required { color: #f87171; }
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 8px;
    color: white;
    font-family: var(--font);
    font-size: 0.97rem;
    transition: all 0.2s;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.35); }
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: rgba(255,255,255,0.5);
    background: rgba(255,255,255,0.15);
}
.form-group textarea { resize: vertical; min-height: 80px; }
.btn-cta-submit {
    width: 100%;
    padding: 1.125rem;
    background: white;
    color: var(--navy);
    border: none;
    border-radius: 8px;
    font-family: var(--font);
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    display: flex; align-items: center; justify-content: center; gap: 0.5rem;
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}
.btn-cta-submit:hover {
    background: #f0f5ff;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.25);
}
.form-note { font-size: 0.78rem; color: rgba(255,255,255,0.45); text-align: center; margin-top: 0.25rem; }
.form-success {
    display: none;
    text-align: center;
    padding: 3rem 2rem;
    background: rgba(255,255,255,0.08);
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.15);
}
.form-success.visible { display: block; }
.success-icon { font-size: 3.5rem; color: #34d399; display: block; margin-bottom: 1.25rem; }
.form-success h3 { font-size: 1.5rem; color: white; margin-bottom: 0.75rem; }
.form-success p  { color: rgba(255,255,255,0.7); line-height: 1.8; }

/* ── Footer ── */
footer {
    background: #080e1c;
    padding: 5rem 0 2rem;
    color: rgba(255,255,255,0.6);
}
.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 3.5rem;
    margin-bottom: 3.5rem;
}
.footer-brand { max-width: 260px; }
.footer-brand .logo { color: white; font-size: 1.1rem; margin-bottom: 1rem; display: flex; }
.footer-brand p { font-size: 0.875rem; line-height: 1.8; color: rgba(255,255,255,0.5); }
.footer-region { margin-top: 0.5rem; font-size: 0.8rem; color: rgba(255,255,255,0.35); }
.footer-links { display: flex; gap: 3.5rem; flex-wrap: wrap; }
.link-group h4 { color: rgba(255,255,255,0.85); font-size: 0.9rem; margin-bottom: 1.25rem; }
.link-group a {
    display: block;
    color: rgba(255,255,255,0.45);
    font-size: 0.875rem;
    margin-bottom: 0.6rem;
    transition: color 0.2s;
}
.link-group a:hover { color: rgba(255,255,255,0.9); }
.link-group p { color: rgba(255,255,255,0.45); font-size: 0.875rem; margin-bottom: 0.5rem; }
.footer-cta-link { color: #60a5fa !important; font-weight: 600; }
.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.06);
    font-size: 0.82rem;
    color: rgba(255,255,255,0.3);
}

/* ── Floating CTA ── */
.floating-cta {
    position: fixed;
    bottom: 2rem; right: 2rem;
    background: var(--blue);
    color: white;
    padding: 0.875rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: 0 8px 25px rgba(29,95,216,0.45);
    z-index: 900;
    display: none;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s;
}
.floating-cta.visible { display: flex; }
.floating-cta:hover {
    background: var(--blue-dark);
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(29,95,216,0.55);
}

/* ── Animations ── */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.8s cubic-bezier(0.5, 0, 0, 1), transform 0.8s cubic-bezier(0.5, 0, 0, 1);
}
.reveal.active { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* ── Responsive ── */
@media (max-width: 1024px) {
    .bento-grid { grid-template-columns: repeat(2, 1fr); }
    .effects-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-title { font-size: 3rem; }
    .process-track { flex-wrap: wrap; gap: 1.5rem; }
    .process-arrow { display: none; }
    .process-step { flex: 1 1 calc(50% - 1.5rem); }
}
@media (max-width: 768px) {
    .nav-links, .btn-nav { display: none; }
    .mobile-toggle { display: flex; }
    .hero { padding-top: 7rem; min-height: auto; padding-bottom: 5rem; }
    .hero-inner { flex-direction: column; text-align: center; }
    .hero-title { font-size: 2.25rem; letter-spacing: -0.5px; }
    .hero-actions { justify-content: center; flex-direction: column; align-items: center; }
    .hero-visual { display: none; }
    .stats-row { justify-content: center; gap: 0; }
    .stat-item { align-items: center; }
    .section { padding: 4.5rem 0; }
    .section-title { font-size: 1.75rem; }
    .about-grid, .diff-grid, .cta-wrapper { grid-template-columns: 1fr; gap: 2rem; }
    .cta-wrapper { padding: 2.5rem 1.75rem; }
    .bento-item.span-2 { grid-column: span 1; }
    .bento-grid { grid-template-columns: 1fr; }
    .effects-grid { grid-template-columns: repeat(2, 1fr); }
    .fit-list { grid-template-columns: 1fr; }
    .fit-box { padding: 2rem; }
    .process-step { flex: 1 1 100%; }
    .floating-cta { bottom: 1.5rem; right: 1.5rem; font-size: 0.85rem; padding: 0.75rem 1.25rem; }
    .footer-content { flex-direction: column; gap: 2.5rem; }
    .footer-links { flex-direction: column; gap: 2rem; }
    .problems-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
    .container { padding: 0 1.25rem; }
    .effects-grid { grid-template-columns: 1fr 1fr; }
    .hero-title { font-size: 2rem; }
    .diff-grid { grid-template-columns: 1fr; }
}