/* =========================================
   STC - Security Technology Center
   Global Styles (Dark Mode + Cyber Neon)
   ========================================= */

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

:root {
    /* Color palette */
    --bg-deep:        #06080f;
    --bg-navy:        #0a0f1f;
    --bg-card:        #0f152a;
    --bg-card-2:      #131a32;
    --bg-elevated:    #161e3a;
    --border-subtle:  rgba(86, 122, 200, 0.14);
    --border-strong:  rgba(99, 138, 220, 0.32);

    --text-primary:   #e8ecf5;
    --text-secondary: #a8b3cc;
    --text-muted:     #6f7a96;

    --accent:         #00d9ff;   /* cyber neon blue */
    --accent-2:       #4d7cff;   /* tech blue */
    --accent-glow:    rgba(0, 217, 255, 0.45);
    --accent-soft:    rgba(0, 217, 255, 0.08);
    --accent-strong:  rgba(0, 217, 255, 0.85);

    --success:        #1fd687;
    --warning:        #ffb547;
    --danger:         #ff5e7e;

    /* Shadows */
    --shadow-glow:    0 0 40px rgba(0, 217, 255, 0.25);
    --shadow-card:    0 24px 48px -16px rgba(0, 0, 0, 0.6);
    --shadow-card-hover: 0 32px 64px -16px rgba(0, 217, 255, 0.18);

    /* Layout */
    --container:      1240px;
    --radius-sm:      8px;
    --radius:         14px;
    --radius-lg:      20px;

    /* Easing */
    --ease:           cubic-bezier(.4, 0, .2, 1);
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Pretendard Variable', 'Pretendard', 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    background: var(--bg-deep);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s var(--ease);
}

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

ul, ol { list-style: none; }

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

input, textarea, select {
    font-family: inherit;
    font-size: 1rem;
    color: inherit;
}

/* ---------- Layout helpers ---------- */
.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 22px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 999px;
    transition: all 0.25s var(--ease);
    white-space: nowrap;
    border: 1px solid transparent;
    letter-spacing: -0.01em;
    position: relative;
    overflow: hidden;
}

.btn-large {
    padding: 16px 30px;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
    color: #061226;
    box-shadow: 0 8px 24px -8px var(--accent-glow), inset 0 0 0 1px rgba(255,255,255,0.15);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 32px -8px var(--accent-glow), 0 0 32px rgba(0, 217, 255, 0.3);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-strong);
    color: var(--text-primary);
    backdrop-filter: blur(10px);
}

.btn-ghost:hover {
    background: rgba(0, 217, 255, 0.08);
    border-color: var(--accent);
    color: var(--accent);
}

/* ---------- Header ---------- */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(6, 8, 15, 0.6);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid transparent;
    transition: all 0.3s var(--ease);
}

.site-header.scrolled {
    background: rgba(6, 8, 15, 0.92);
    border-bottom-color: var(--border-subtle);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 88px;
    padding-left: 32px;
}

/* ── 헤더 로고 ── */
.header-logo-link {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    width: auto;
    max-width: none;
    overflow: visible;
    text-decoration: none;
}

.header-logo {
    height: 40px;
    width: auto;
    max-width: none !important;
    max-height: none !important;
    display: block;
}

/* ── 푸터 로고 ── */
.footer-logo-wrap {
    display: block;
    width: auto;
    max-width: none;
    overflow: visible;
    margin-bottom: 20px;
}

.footer-logo {
    height: 44px;
    width: auto;
    max-width: none !important;
    max-height: none !important;
    display: block;
}

/* ── 모바일 반응형 ── */
@media (max-width: 768px) {
    .header-inner {
        padding-left: 16px;
    }
    .header-logo {
        height: 32px;
    }
    .footer-logo {
        height: 36px;
        margin: 0 auto;
    }
    .footer-logo-wrap {
        text-align: center;
    }
}

.main-nav .nav-list {
    display: flex;
    gap: 4px;
}

.nav-link {
    display: inline-block;
    padding: 10px 16px;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    color: var(--text-secondary);
    border-radius: 8px;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent);
}

.nav-link.active::after {
    content: "";
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--accent);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-cta-header {
    padding: 10px 20px;
    font-size: 0.88rem;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 28px;
    padding: 6px;
}

.mobile-menu-toggle span {
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: 0.3s var(--ease);
}

/* ---------- Hero Section ---------- */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: 120px 0 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg-image {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(ellipse at 20% 20%, rgba(0, 217, 255, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 60%, rgba(77, 124, 255, 0.15) 0%, transparent 50%),
        url('https://images.unsplash.com/photo-1558494949-ef010cbdcc31?ixlib=rb-4.0.3&auto=format&fit=crop&w=2400&q=80');
    background-size: cover;
    background-position: center;
    filter: brightness(0.35) contrast(1.05) saturate(0.85);
}

.hero-bg-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(6, 8, 15, 0.55) 0%, rgba(6, 8, 15, 0.85) 60%, var(--bg-deep) 100%),
        linear-gradient(90deg, rgba(6, 8, 15, 0.6) 0%, transparent 50%, rgba(6, 8, 15, 0.6) 100%);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 217, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 217, 255, 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 980px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 18px 8px 10px;
    background: rgba(0, 217, 255, 0.08);
    border: 1px solid rgba(0, 217, 255, 0.25);
    border-radius: 999px;
    color: var(--accent);
    font-size: 0.82rem;
    font-weight: 500;
    margin-bottom: 28px;
    letter-spacing: 0.02em;
    backdrop-filter: blur(8px);
    box-shadow: 0 0 24px rgba(0, 217, 255, 0.12);
}

.hero-badge-icon {
    width: 26px;
    height: 26px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: rgba(0, 217, 255, 0.12);
    border: 1px solid rgba(0, 217, 255, 0.3);
    flex-shrink: 0;
    box-shadow: 0 0 10px rgba(0, 217, 255, 0.25);
    animation: badge-glow 2.8s ease-in-out infinite;
}

.hero-badge-icon svg {
    width: 18px;
    height: 18px;
    display: block;
    filter: drop-shadow(0 0 4px rgba(0, 217, 255, 0.5));
}

@keyframes badge-glow {
    0%, 100% {
        box-shadow: 0 0 10px rgba(0, 217, 255, 0.25);
        border-color: rgba(0, 217, 255, 0.3);
    }
    50% {
        box-shadow: 0 0 18px rgba(0, 217, 255, 0.55);
        border-color: rgba(0, 217, 255, 0.6);
    }
}

/* 구 pulse-dot은 유지하되 사용 안 함 */
.pulse-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-headline {
    font-size: clamp(2rem, 5vw, 3.6rem);
    font-weight: 800;
    line-height: 1.18;
    letter-spacing: -0.025em;
    color: var(--text-primary);
    margin-bottom: 28px;
}

.text-gradient {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 60%, #b8a5ff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.underline-accent {
    position: relative;
    display: inline-block;
    color: var(--accent);
}

.underline-accent::after {
    content: "";
    position: absolute;
    left: 0; bottom: -2px;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), transparent);
    border-radius: 2px;
}

.hero-subheadline {
    font-size: clamp(1rem, 1.5vw, 1.18rem);
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 40px;
    max-width: 720px;
}

.hero-cta-group {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 64px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
    padding: 24px 32px;
    background: rgba(15, 21, 42, 0.5);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    backdrop-filter: blur(12px);
    max-width: 720px;
    flex-wrap: wrap;
}

.stat-item { flex: 1; min-width: 130px; }

.stat-number {
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    letter-spacing: -0.02em;
    font-family: 'JetBrains Mono', monospace;
    display: flex;
    align-items: baseline;
}

.stat-number .plus,
.stat-number .suffix {
    font-size: 0.7em;
    margin-left: 2px;
    color: var(--accent-2);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 6px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-strong);
}

.scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    z-index: 3;
}

.mouse {
    width: 22px;
    height: 36px;
    border: 2px solid var(--text-muted);
    border-radius: 12px;
    display: grid;
    place-items: center;
}

.wheel {
    width: 3px;
    height: 8px;
    background: var(--accent);
    border-radius: 2px;
    animation: wheel 1.6s infinite var(--ease);
}

@keyframes wheel {
    0% { opacity: 1; transform: translateY(-6px); }
    100% { opacity: 0; transform: translateY(6px); }
}

.scroll-text {
    font-size: 0.7rem;
    letter-spacing: 0.2em;
}

/* ---------- Sections common ---------- */
section { padding: 120px 0; position: relative; }

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 72px;
}

.section-eyebrow {
    display: inline-block;
    font-size: 0.78rem;
    letter-spacing: 0.3em;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 16px;
    padding: 4px 14px;
    border: 1px solid rgba(0, 217, 255, 0.3);
    border-radius: 999px;
    background: rgba(0, 217, 255, 0.05);
}

.section-title {
    font-size: clamp(1.8rem, 3.4vw, 2.6rem);
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.section-description {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.75;
}

/* ---------- Services ---------- */
.services-section {
    background:
        radial-gradient(ellipse at 50% 0%, rgba(0, 217, 255, 0.06) 0%, transparent 50%),
        var(--bg-deep);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.service-card {
    position: relative;
    padding: 36px;
    background: linear-gradient(180deg, var(--bg-card) 0%, var(--bg-card-2) 100%);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    transition: all 0.4s var(--ease);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.service-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 40%, rgba(0, 217, 255, 0.04) 100%);
    opacity: 0;
    transition: opacity 0.3s var(--ease);
    pointer-events: none;
}

.service-card-glow {
    position: absolute;
    top: -100px; right: -100px;
    width: 280px; height: 280px;
    background: radial-gradient(circle, rgba(0, 217, 255, 0.18) 0%, transparent 70%);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.4s var(--ease);
    pointer-events: none;
}

.service-card:hover {
    transform: translateY(-6px);
    border-color: var(--accent);
    box-shadow: var(--shadow-card-hover);
}
.service-card:hover::before { opacity: 1; }
.service-card:hover .service-card-glow { opacity: 1; }

.service-card.featured {
    border-color: rgba(0, 217, 255, 0.35);
    background: linear-gradient(180deg, #131c3c 0%, #161e3a 100%);
}

.service-badge {
    position: absolute;
    top: 24px; right: 24px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #061226;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    padding: 4px 10px;
    border-radius: 999px;
}

.service-icon {
    width: 72px; height: 72px;
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.15) 0%, rgba(77, 124, 255, 0.12) 100%);
    border: 1px solid rgba(0, 217, 255, 0.25);
    border-radius: 18px;
    display: grid;
    place-items: center;
    font-size: 1.6rem;
    color: var(--accent);
    margin-bottom: 24px;
    position: relative;
    box-shadow: inset 0 0 16px rgba(0, 217, 255, 0.1), 0 8px 24px -8px rgba(0, 217, 255, 0.25);
    transition: all 0.35s var(--ease);
}

.service-icon svg {
    width: 42px;
    height: 42px;
    transition: transform 0.4s var(--ease);
}

.service-card:hover .service-icon {
    border-color: var(--accent);
    box-shadow: inset 0 0 20px rgba(0, 217, 255, 0.15), 0 12px 32px -8px rgba(0, 217, 255, 0.45);
}

.service-card:hover .service-icon svg {
    transform: scale(1.08) rotate(-2deg);
}

.service-tag {
    display: inline-block;
    font-size: 0.72rem;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-subtle);
    padding: 4px 10px;
    border-radius: 6px;
    letter-spacing: 0.04em;
    margin-bottom: 12px;
}

.service-title {
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.01em;
    margin-bottom: 6px;
}

.service-sub {
    font-size: 0.88rem;
    color: var(--accent);
    font-weight: 500;
    margin-bottom: 16px;
    font-family: 'Inter', sans-serif;
    letter-spacing: 0.02em;
}

.service-desc {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
    font-size: 0.96rem;
}

.service-features {
    margin-bottom: 28px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.service-features li {
    color: var(--text-secondary);
    font-size: 0.92rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.service-features li i {
    color: var(--accent);
    font-size: 0.8rem;
    width: 18px;
    height: 18px;
    display: grid;
    place-items: center;
    background: rgba(0, 217, 255, 0.12);
    border-radius: 50%;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.92rem;
    color: var(--accent);
    font-weight: 600;
    transition: gap 0.25s var(--ease);
}

.service-link:hover { gap: 14px; }

/* ---------- Why STC ---------- */
.why-section {
    background: var(--bg-navy);
    position: relative;
    overflow: hidden;
}

.why-bg-accent {
    position: absolute;
    top: -200px; left: 50%;
    transform: translateX(-50%);
    width: 800px; height: 800px;
    background: radial-gradient(circle, rgba(0, 217, 255, 0.06) 0%, transparent 60%);
    pointer-events: none;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    position: relative;
}

.why-card {
    position: relative;
    padding: 40px 32px;
    background: linear-gradient(180deg, var(--bg-card) 0%, rgba(15, 21, 42, 0.6) 100%);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    transition: all 0.35s var(--ease);
    overflow: hidden;
}

.why-card::before {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    transform: scaleX(0);
    transition: transform 0.4s var(--ease);
}

.why-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 217, 255, 0.35);
    background: linear-gradient(180deg, #131a32 0%, #161e3a 100%);
}

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

.why-card.highlight {
    background: linear-gradient(180deg, #131c3c 0%, #1a2447 100%);
    border-color: rgba(0, 217, 255, 0.25);
}

.why-card.highlight::before { transform: scaleX(1); }

.why-number {
    position: absolute;
    top: 24px; right: 28px;
    font-size: 2.6rem;
    font-weight: 800;
    color: transparent;
    -webkit-text-stroke: 1px rgba(0, 217, 255, 0.25);
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: -0.02em;
    opacity: 0.6;
}

.why-icon {
    width: 70px; height: 70px;
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.15) 0%, rgba(77, 124, 255, 0.1) 100%);
    border: 1px solid rgba(0, 217, 255, 0.3);
    border-radius: 18px;
    display: grid;
    place-items: center;
    font-size: 1.8rem;
    color: var(--accent);
    margin-bottom: 28px;
    box-shadow: 0 0 24px rgba(0, 217, 255, 0.15);
}

.why-title {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.why-desc {
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 24px;
}

.why-desc strong {
    color: var(--accent);
    font-weight: 600;
}

.why-points {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-top: 24px;
    border-top: 1px dashed var(--border-subtle);
}

.why-points li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 0.92rem;
}

.why-points li i {
    color: var(--accent);
    font-size: 0.95rem;
}

/* ---------- Process ---------- */
.process-section {
    background: var(--bg-deep);
    position: relative;
}

.process-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(77, 124, 255, 0.04) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(0, 217, 255, 0.04) 0%, transparent 50%);
    pointer-events: none;
}

.process-flow {
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    gap: 12px;
    position: relative;
    z-index: 1;
}

.process-step {
    flex: 1;
    padding: 32px 24px;
    background: linear-gradient(180deg, var(--bg-card) 0%, var(--bg-card-2) 100%);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    text-align: center;
    position: relative;
    transition: all 0.3s var(--ease);
}

.process-step:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow: var(--shadow-card-hover);
}

.step-number {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.2em;
    background: rgba(0, 217, 255, 0.08);
    padding: 4px 12px;
    border-radius: 999px;
    margin-bottom: 20px;
    font-family: 'JetBrains Mono', monospace;
}

.step-icon {
    width: 72px; height: 72px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.15), rgba(77, 124, 255, 0.1));
    border: 1px solid rgba(0, 217, 255, 0.3);
    display: grid;
    place-items: center;
    color: var(--accent);
    font-size: 1.7rem;
    box-shadow: 0 0 24px rgba(0, 217, 255, 0.18);
}

.step-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.step-subtitle {
    font-size: 0.82rem;
    color: var(--accent);
    margin-bottom: 14px;
    font-weight: 500;
}

.step-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.65;
}

.process-arrow {
    display: grid;
    place-items: center;
    color: var(--accent);
    font-size: 1.4rem;
    opacity: 0.6;
    align-self: center;
    animation: arrow-pulse 2s infinite;
}

@keyframes arrow-pulse {
    0%, 100% { transform: translateX(0); opacity: 0.5; }
    50% { transform: translateX(4px); opacity: 1; }
}

/* ---------- Contact ---------- */
.contact-section {
    background: var(--bg-navy);
    position: relative;
    overflow: hidden;
}

.contact-bg-accent {
    position: absolute;
    bottom: -300px; left: -200px;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(77, 124, 255, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 40px;
    align-items: start;
    max-width: 1100px;
    margin: 0 auto;
}

.contact-info {
    padding: 36px 32px;
    background: linear-gradient(180deg, var(--bg-card) 0%, var(--bg-card-2) 100%);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-info-icon {
    width: 44px; height: 44px;
    background: rgba(0, 217, 255, 0.1);
    border: 1px solid rgba(0, 217, 255, 0.25);
    border-radius: 12px;
    display: grid;
    place-items: center;
    color: var(--accent);
    font-size: 1rem;
    flex-shrink: 0;
}

.contact-info-label {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: 2px;
    letter-spacing: 0.04em;
}

.contact-info-value {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 600;
    font-family: 'Inter', sans-serif;
}

.contact-promise {
    margin-top: 12px;
    padding: 20px;
    background: rgba(0, 217, 255, 0.04);
    border: 1px solid rgba(0, 217, 255, 0.15);
    border-radius: var(--radius);
}

.contact-promise h4 {
    font-size: 0.95rem;
    color: var(--accent);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.contact-promise ul {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.contact-promise li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding-left: 16px;
    position: relative;
    line-height: 1.55;
}

.contact-promise li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
}

/* Form */
.contact-form {
    padding: 40px;
    background: linear-gradient(180deg, var(--bg-card) 0%, var(--bg-card-2) 100%);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    gap: 22px;
    box-shadow: var(--shadow-card);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.88rem;
    color: var(--text-primary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
}

.required { color: var(--accent); font-weight: 700; }
.optional, .hint { color: var(--text-muted); font-size: 0.78rem; font-weight: 400; }

.form-group input,
.form-group textarea {
    padding: 14px 16px;
    background: rgba(6, 8, 15, 0.5);
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    color: var(--text-primary);
    transition: all 0.2s var(--ease);
    width: 100%;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(0, 217, 255, 0.04);
    box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.12);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
    font-family: inherit;
}

/* Multi-select */
.multi-select { position: relative; }

.multi-select-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    width: 100%;
    padding: 14px 16px;
    background: rgba(6, 8, 15, 0.5);
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    text-align: left;
    transition: all 0.2s var(--ease);
}

.multi-select-trigger:hover { border-color: var(--border-strong); }
.multi-select.open .multi-select-trigger {
    border-color: var(--accent);
    background: rgba(0, 217, 255, 0.04);
    box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.12);
}

.multi-select-trigger i {
    transition: transform 0.2s var(--ease);
    color: var(--text-muted);
}

.multi-select.open .multi-select-trigger i {
    transform: rotate(180deg);
    color: var(--accent);
}

.multi-select-placeholder { color: var(--text-muted); }
.multi-select-placeholder.has-value { color: var(--text-primary); }

.multi-select-panel {
    position: absolute;
    top: calc(100% + 8px);
    left: 0; right: 0;
    background: var(--bg-elevated);
    border: 1px solid var(--border-strong);
    border-radius: 12px;
    padding: 8px;
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.6);
    display: none;
    z-index: 10;
    max-height: 320px;
    overflow-y: auto;
}

.multi-select.open .multi-select-panel { display: block; }

.multi-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 14px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.15s var(--ease);
    font-size: 0.94rem;
}

.multi-option:hover { background: rgba(0, 217, 255, 0.06); }

.multi-option.highlight {
    background: rgba(0, 217, 255, 0.05);
    border: 1px dashed rgba(0, 217, 255, 0.25);
    margin-top: 6px;
}

.multi-option input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 18px; height: 18px;
    border: 1.5px solid var(--border-strong);
    border-radius: 5px;
    background: rgba(6, 8, 15, 0.5);
    display: grid;
    place-items: center;
    cursor: pointer;
    transition: all 0.15s var(--ease);
    flex-shrink: 0;
}

.multi-option input[type="checkbox"]:checked {
    background: var(--accent);
    border-color: var(--accent);
}

.multi-option input[type="checkbox"]:checked::after {
    content: "✓";
    color: #061226;
    font-size: 0.78rem;
    font-weight: 800;
}

.multi-option span { color: var(--text-primary); }
.multi-option em {
    font-style: normal;
    color: var(--text-muted);
    font-size: 0.82rem;
    margin-left: 6px;
}

/* Agreement / Submit */
.form-agreement { margin-top: 4px; }

.checkbox-line {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.checkbox-line input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 18px; height: 18px;
    border: 1.5px solid var(--border-strong);
    border-radius: 4px;
    background: rgba(6, 8, 15, 0.5);
    display: grid;
    place-items: center;
    cursor: pointer;
}

.checkbox-line input[type="checkbox"]:checked {
    background: var(--accent);
    border-color: var(--accent);
}

.checkbox-line input[type="checkbox"]:checked::after {
    content: "✓";
    color: #061226;
    font-size: 0.78rem;
    font-weight: 800;
}

.link { color: var(--accent); text-decoration: underline; }

.btn-submit { width: 100%; margin-top: 8px; }

.form-status {
    text-align: center;
    font-size: 0.92rem;
    padding: 12px;
    border-radius: 8px;
    display: none;
}

.form-status.success {
    display: block;
    background: rgba(31, 214, 135, 0.1);
    color: var(--success);
    border: 1px solid rgba(31, 214, 135, 0.3);
}

.form-status.error {
    display: block;
    background: rgba(255, 94, 126, 0.1);
    color: var(--danger);
    border: 1px solid rgba(255, 94, 126, 0.3);
}

.form-status.loading {
    display: block;
    background: rgba(0, 217, 255, 0.08);
    color: var(--accent);
    border: 1px solid rgba(0, 217, 255, 0.2);
}

/* ---------- Footer ---------- */
.site-footer {
    background: var(--bg-deep);
    border-top: 1px solid var(--border-subtle);
    padding: 80px 0 24px;
    color: var(--text-secondary);
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    padding-bottom: 50px;
    border-bottom: 1px solid var(--border-subtle);
}

.footer-brand { max-width: 360px; }

.footer-desc {
    margin-top: 18px;
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.7;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.footer-col h5 {
    color: var(--text-primary);
    font-size: 0.82rem;
    letter-spacing: 0.16em;
    margin-bottom: 18px;
}

.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col li, .footer-col a {
    font-size: 0.9rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
}
.footer-col a:hover { color: var(--accent); }
.footer-col li i { color: var(--accent); width: 14px; }

.footer-bottom {
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-legal { display: flex; gap: 20px; }
.footer-legal a:hover { color: var(--accent); }

/* ---------- Reveal animation ---------- */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
    .process-flow { flex-direction: column; }
    .process-arrow { transform: rotate(90deg); }
    .process-step { width: 100%; }
    .contact-wrapper { grid-template-columns: 1fr; }
}

@media (max-width: 980px) {
    .main-nav { display: none; }
    .btn-cta-header { display: none; }
    .mobile-menu-toggle { display: flex; }
    .brand-logo { height: 44px; }

    .site-header.menu-open .main-nav {
        display: block;
        position: absolute;
        top: 76px; left: 0; right: 0;
        background: rgba(6, 8, 15, 0.98);
        backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--border-subtle);
        padding: 16px;
    }
    .site-header.menu-open .nav-list { flex-direction: column; gap: 4px; }
    .site-header.menu-open .nav-link { padding: 14px 18px; }

    section { padding: 80px 0; }
    .section-header { margin-bottom: 48px; }

    .services-grid { grid-template-columns: 1fr; }
    .why-grid { grid-template-columns: 1fr; }
    .footer-top { grid-template-columns: 1fr; gap: 40px; }
    .footer-links { grid-template-columns: repeat(2, 1fr); }

    .hero-section { padding: 110px 0 60px; }
    .hero-cta-group { flex-direction: column; align-items: stretch; }
    .hero-cta-group .btn { width: 100%; }
    .stat-divider { display: none; }
    .hero-stats { padding: 18px; gap: 18px; }
    .form-row { grid-template-columns: 1fr; }
    .contact-form { padding: 28px 22px; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
    .container { padding: 0 18px; }
    .brand-sub { display: none; }
    .footer-links { grid-template-columns: 1fr; }
    .hero-headline { font-size: 1.9rem; }
    .stat-item { min-width: 100%; }
    .stat-divider { display: none; }
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--accent-2), var(--accent));
    border-radius: 6px;
    border: 2px solid var(--bg-deep);
}
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ---------- Selection ---------- */
::selection { background: var(--accent); color: #061226; }