/* ==========================================================================
   N Staff Website - Main Stylesheet
   Color Palette: Navy Blue based, professional & trustworthy
   ========================================================================== */

:root {
    --navy-deep: #0a1f44;
    --navy-primary: #14296b;
    --navy-secondary: #1e3a8a;
    --blue-accent: #2563eb;
    --blue-light: #3b82f6;
    --gray-900: #111827;
    --gray-800: #1f2937;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-500: #6b7280;
    --gray-400: #9ca3af;
    --gray-300: #d1d5db;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --gray-50: #f9fafb;
    --white: #ffffff;
    --shadow-sm: 0 1px 2px 0 rgba(10, 31, 68, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(10, 31, 68, 0.1);
    --shadow-lg: 0 10px 25px -3px rgba(10, 31, 68, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(10, 31, 68, 0.25);
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Pretendard Variable', 'Pretendard', -apple-system, BlinkMacSystemFont,
        'Apple SD Gothic Neo', 'Inter', 'Noto Sans KR', sans-serif;
    color: var(--gray-800);
    background: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
    word-break: keep-all;
    font-feature-settings: 'ss01', 'ss02';
    letter-spacing: -0.01em;
}

/* Luxury serif accent for key headings & numbers */
.serif-accent,
.section-eyebrow,
.hero-tagline,
.philosophy-author,
.page-header-eyebrow {
    font-family: 'Inter', 'Pretendard Variable', sans-serif;
}

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

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

ul {
    list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--navy-deep);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.3;
}

.section-eyebrow {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--blue-accent);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 720px;
    margin: 0 auto 3rem;
    line-height: 1.7;
}

/* Layout */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 7rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header.left {
    text-align: left;
}

.section-header.left .section-subtitle {
    margin-left: 0;
}

/* ==========================================================================
   Navigation
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid rgba(10, 31, 68, 0.06);
    transition: var(--transition-base);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    max-width: 1280px;
    margin: 0 auto;
    height: 72px;
}

.navbar-logo img {
    height: 36px;
    width: auto;
}

.navbar-menu {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.navbar-menu a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--gray-700);
    position: relative;
    padding: 0.5rem 0;
}

.navbar-menu a:hover,
.navbar-menu a.active {
    color: var(--navy-primary);
}

.navbar-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--blue-accent);
    transition: var(--transition-base);
    transform: translateX(-50%);
}

.navbar-menu a:hover::after,
.navbar-menu a.active::after {
    width: 100%;
}

.navbar-cta {
    background: var(--navy-primary);
    color: var(--white) !important;
    padding: 0.6rem 1.4rem !important;
    border-radius: 999px;
    font-weight: 600 !important;
}

.navbar-cta:hover {
    background: var(--blue-accent);
    transform: translateY(-1px);
}

.navbar-cta::after {
    display: none;
}

.navbar-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: var(--navy-deep);
    font-size: 1.5rem;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0a1f44 0%, #14296b 50%, #1e3a8a 100%);
    color: var(--white);
    overflow: hidden;
    padding: 8rem 1.5rem 6rem;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.25) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(37, 99, 235, 0.2) 0%, transparent 40%);
    pointer-events: none;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.hero-content {
    position: relative;
    text-align: center;
    max-width: 960px;
    z-index: 2;
}

.hero-eyebrow {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.05);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

.hero-title .accent {
    background: linear-gradient(120deg, #60a5fa 0%, #93c5fd 50%, #ffffff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 1rem;
    font-weight: 300;
    letter-spacing: 0.02em;
}

.hero-tagline {
    font-size: 0.95rem;
    color: rgba(147, 197, 253, 0.9);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin-bottom: 3rem;
    font-weight: 500;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    animation: scrollBounce 2s ease-in-out infinite;
}

.hero-scroll i {
    display: block;
    margin-top: 0.5rem;
    font-size: 1.2rem;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ==========================================================================
   Page Header (sub pages)
   ========================================================================== */
.page-header {
    position: relative;
    background: linear-gradient(135deg, #0a1f44 0%, #14296b 100%);
    color: var(--white);
    padding: 12rem 1.5rem 6rem;
    text-align: center;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.page-header-inner {
    position: relative;
    max-width: 960px;
    margin: 0 auto;
    z-index: 2;
}

.page-header-eyebrow {
    display: inline-block;
    font-size: 0.85rem;
    color: #93c5fd;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin-bottom: 1.25rem;
    font-weight: 500;
}

.page-header h1 {
    color: var(--white);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.03em;
}

.page-header p {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 640px;
    margin: 0 auto;
    font-weight: 300;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.95rem 2rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--white);
    color: var(--navy-primary);
}

.btn-primary:hover {
    background: var(--blue-accent);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(37, 99, 235, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

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

.btn-dark {
    background: var(--navy-primary);
    color: var(--white);
}

.btn-dark:hover {
    background: var(--blue-accent);
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(20, 41, 107, 0.25);
}

.btn-large {
    padding: 1.1rem 2.5rem;
    font-size: 1.05rem;
}

/* ==========================================================================
   About Preview (Index)
   ========================================================================== */
.about-preview {
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about-text .section-title {
    text-align: left;
}

.about-text p {
    color: var(--gray-600);
    font-size: 1.05rem;
    line-height: 1.85;
    margin-bottom: 1.25rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.stat-card {
    background: var(--gray-50);
    border-radius: 16px;
    padding: 1.75rem;
    border: 1px solid var(--gray-200);
    transition: var(--transition-base);
}

.stat-card:hover {
    background: var(--navy-primary);
    color: var(--white);
    transform: translateY(-4px);
    border-color: var(--navy-primary);
}

.stat-card:hover .stat-number,
.stat-card:hover .stat-label {
    color: var(--white);
}

.stat-number {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--navy-primary);
    display: block;
    transition: var(--transition-base);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray-600);
    margin-top: 0.25rem;
    transition: var(--transition-base);
}

.about-visual {
    position: relative;
    aspect-ratio: 4/5;
    border-radius: 24px;
    overflow: hidden;
    background: linear-gradient(135deg, #0a1f44 0%, #1e3a8a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
}

.about-visual::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
    background-size: 40px 40px;
}

.about-visual-content {
    position: relative;
    color: var(--white);
    text-align: center;
    padding: 2rem;
    z-index: 2;
}

.about-visual-content .quote-mark {
    font-size: 4rem;
    color: rgba(147, 197, 253, 0.5);
    font-family: Georgia, serif;
    line-height: 1;
    margin-bottom: 1rem;
}

.about-visual-content .quote-text {
    font-size: 1.35rem;
    font-weight: 500;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.about-visual-content .quote-author {
    font-size: 0.9rem;
    color: rgba(147, 197, 253, 0.9);
    letter-spacing: 0.15em;
}

/* ==========================================================================
   Services Section
   ========================================================================== */
.services-section {
    background: var(--gray-50);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.service-card {
    background: var(--white);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    transition: var(--transition-base);
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

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

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

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

.service-icon {
    width: 60px;
    height: 60px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--navy-primary), var(--blue-accent));
    color: var(--white);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    transition: var(--transition-base);
}

.service-card:hover .service-icon {
    transform: scale(1.05) rotate(-3deg);
}

.service-card h3 {
    font-size: 1.35rem;
    margin-bottom: 0.75rem;
}

.service-card p {
    color: var(--gray-600);
    font-size: 0.95rem;
    line-height: 1.7;
}

.service-card .service-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 1.5rem;
    color: var(--navy-primary);
    font-weight: 600;
    font-size: 0.9rem;
}

.service-card .service-link i {
    transition: var(--transition-base);
}

.service-card:hover .service-link i {
    transform: translateX(4px);
}

/* ==========================================================================
   Service Detail (services.html)
   ========================================================================== */
.service-detail {
    padding: 7rem 0;
    border-bottom: 1px solid var(--gray-200);
}

.service-detail:nth-child(even) {
    background: var(--gray-50);
}

.service-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.service-detail:nth-child(even) .service-detail-grid {
    direction: rtl;
}

.service-detail:nth-child(even) .service-detail-content {
    direction: ltr;
}

.service-detail-content .service-num {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--blue-accent);
    letter-spacing: 0.2em;
    margin-bottom: 1rem;
}

.service-detail-content h2 {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    margin-bottom: 1.25rem;
}

.service-detail-content > p {
    color: var(--gray-600);
    font-size: 1.05rem;
    line-height: 1.85;
    margin-bottom: 2rem;
}

.service-features {
    display: grid;
    gap: 1rem;
}

.service-feature {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    padding: 1rem 0;
}

.service-feature i {
    color: var(--blue-accent);
    font-size: 1.1rem;
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.service-feature h4 {
    font-size: 1.05rem;
    margin-bottom: 0.25rem;
    color: var(--navy-deep);
}

.service-feature p {
    color: var(--gray-600);
    font-size: 0.95rem;
    margin: 0;
}

.service-visual {
    aspect-ratio: 4/3;
    border-radius: 20px;
    background: linear-gradient(135deg, #14296b 0%, #2563eb 100%);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-visual::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
    background-size: 40px 40px;
}

.service-visual i {
    font-size: 6rem;
    color: rgba(255, 255, 255, 0.9);
    z-index: 2;
}

/* ==========================================================================
   Philosophy / Values
   ========================================================================== */
.philosophy {
    background: linear-gradient(135deg, #0a1f44 0%, #14296b 100%);
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.philosophy::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.15) 0%, transparent 50%);
}

.philosophy-content {
    position: relative;
    z-index: 2;
    max-width: 960px;
    margin: 0 auto;
}

.philosophy h2 {
    color: var(--white);
    font-size: clamp(1.8rem, 4vw, 2.75rem);
    line-height: 1.5;
    margin-bottom: 2rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.philosophy h2 .highlight {
    background: linear-gradient(120deg, #60a5fa, #93c5fd);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
}

.philosophy-author {
    font-size: 0.9rem;
    letter-spacing: 0.2em;
    color: rgba(147, 197, 253, 0.9);
    text-transform: uppercase;
}

/* ==========================================================================
   Org Chart
   ========================================================================== */
.org-chart {
    background: var(--white);
}

.org-tree {
    max-width: 1100px;
    margin: 0 auto;
}

.org-level {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
    position: relative;
}

.org-node {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: 16px;
    padding: 1.25rem 2rem;
    text-align: center;
    min-width: 180px;
    transition: var(--transition-base);
    position: relative;
    z-index: 2;
}

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

.org-node.primary {
    background: var(--navy-primary);
    color: var(--white);
    border-color: var(--navy-primary);
    font-weight: 700;
    font-size: 1.1rem;
}

.org-node.audit {
    background: var(--gray-100);
    border-color: var(--gray-300);
}

.org-node h4 {
    margin: 0;
    font-size: 1rem;
    color: inherit;
}

.org-node .org-teams {
    margin-top: 0.75rem;
    font-size: 0.85rem;
    color: var(--gray-600);
    line-height: 1.6;
}

.org-divider {
    text-align: center;
    color: var(--gray-300);
    font-size: 1.5rem;
    margin: -1.5rem 0 1rem;
}

.org-departments {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.org-dept {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 16px;
    padding: 2rem;
    transition: var(--transition-base);
    text-align: center;
}

.org-dept:hover {
    border-color: var(--blue-accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.org-dept-header {
    display: inline-block;
    background: var(--navy-primary);
    color: var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: 999px;
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
}

.org-dept ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
}

.org-dept li {
    background: var(--gray-100);
    padding: 0.4rem 1rem;
    border-radius: 999px;
    font-size: 0.85rem;
    color: var(--gray-700);
    font-weight: 500;
}

/* ==========================================================================
   Track Record (Hotel management)
   ========================================================================== */
.track-record {
    background: var(--gray-50);
}

.record-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.record-item {
    background: var(--white);
    border-radius: 16px;
    padding: 1.75rem;
    border: 1px solid var(--gray-200);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.record-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--navy-primary), var(--blue-accent));
    transform: scaleY(0);
    transform-origin: top;
    transition: var(--transition-base);
}

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

.record-item:hover::before {
    transform: scaleY(1);
}

.record-name {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--navy-deep);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.record-name i {
    color: var(--blue-accent);
    font-size: 1rem;
}

.record-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.record-tag {
    background: var(--gray-100);
    color: var(--gray-700);
    padding: 0.3rem 0.85rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* ==========================================================================
   Clients & Partners
   ========================================================================== */
.clients {
    background: var(--white);
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.client-logo {
    aspect-ratio: 16/9;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.75rem 1.25rem;
    transition: var(--transition-base);
    color: var(--gray-500);
    overflow: hidden;
}

.client-logo svg,
.client-logo img {
    width: 100%;
    height: 100%;
    max-height: 60px;
    object-fit: contain;
    transition: var(--transition-base);
    filter: grayscale(100%);
    opacity: 0.7;
}

.client-logo:hover {
    border-color: var(--blue-accent);
    color: var(--navy-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.client-logo:hover svg,
.client-logo:hover img {
    filter: grayscale(0%);
    opacity: 1;
    color: var(--navy-primary);
}

@media (max-width: 900px) {
    .clients-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 560px) {
    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.partner-card {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: var(--transition-base);
    text-decoration: none;
    color: inherit;
}

.partner-card:hover {
    background: var(--white);
    border-color: var(--blue-accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.partner-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--navy-primary), var(--blue-accent));
    color: var(--white);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 1.25rem;
}

.partner-card h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.partner-card .partner-link {
    color: var(--blue-accent);
    font-size: 0.9rem;
    font-weight: 500;
}

/* ==========================================================================
   Timeline (history)
   ========================================================================== */
.timeline-section {
    background: var(--gray-50);
}

.timeline {
    max-width: 720px;
    margin: 0 auto;
    position: relative;
    padding-left: 2.5rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--blue-accent), var(--gray-200));
}

.timeline-item {
    position: relative;
    padding-bottom: 2.5rem;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2.5rem;
    top: 0.25rem;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--white);
    border: 3px solid var(--blue-accent);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
}

.timeline-date {
    color: var(--blue-accent);
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    margin-bottom: 0.4rem;
}

.timeline-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--navy-deep);
    margin-bottom: 0.4rem;
}

.timeline-desc {
    color: var(--gray-600);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ==========================================================================
   Contact Form
   ========================================================================== */
.contact-section {
    padding: 7rem 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    max-width: 1100px;
    margin: 0 auto;
}

.contact-info h2 {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    margin-bottom: 1rem;
}

.contact-info > p {
    color: var(--gray-600);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.contact-info-list {
    display: grid;
    gap: 1.5rem;
}

.contact-info-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.contact-info-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--gray-100);
    color: var(--navy-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
    flex-shrink: 0;
}

.contact-info-text strong {
    display: block;
    color: var(--navy-deep);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.3rem;
}

.contact-info-text span {
    color: var(--gray-700);
    font-size: 1rem;
    line-height: 1.6;
}

.contact-info-text a {
    color: var(--gray-700);
}

.contact-info-text a:hover {
    color: var(--blue-accent);
}

.contact-form-wrapper {
    background: var(--white);
    border-radius: 24px;
    padding: 3rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

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

.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--navy-deep);
    margin-bottom: 0.5rem;
}

.form-label .required {
    color: #ef4444;
    margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1px solid var(--gray-300);
    border-radius: 12px;
    font-size: 0.95rem;
    font-family: inherit;
    color: var(--gray-800);
    background: var(--white);
    transition: var(--transition-base);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--blue-accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.form-textarea {
    min-height: 140px;
    resize: vertical;
    line-height: 1.6;
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    font-size: 0.9rem;
    color: var(--gray-600);
    margin-bottom: 1.5rem;
    cursor: pointer;
}

.form-checkbox input {
    margin-top: 4px;
    width: 16px;
    height: 16px;
    accent-color: var(--blue-accent);
}

.form-submit {
    width: 100%;
    padding: 1rem;
    background: var(--navy-primary);
    color: var(--white);
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
}

.form-submit:hover:not(:disabled) {
    background: var(--blue-accent);
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(20, 41, 107, 0.25);
}

.form-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-message {
    padding: 1rem 1.25rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    display: none;
}

.form-message.success {
    background: #ecfdf5;
    color: #065f46;
    border: 1px solid #6ee7b7;
    display: block;
}

.form-message.error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fca5a5;
    display: block;
}

.mailto-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.85rem;
    padding: 0.6rem 1.25rem;
    background: var(--navy-primary);
    color: var(--white);
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-base);
}

.mailto-btn:hover {
    background: var(--blue-accent);
    transform: translateY(-1px);
    box-shadow: 0 8px 16px rgba(20, 41, 107, 0.25);
    color: var(--white);
}

/* ==========================================================================
   CTA Section
   ========================================================================== */
.cta-section {
    background: linear-gradient(135deg, #0a1f44 0%, #1e3a8a 100%);
    color: var(--white);
    text-align: center;
    padding: 6rem 1.5rem;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 30% 50%, rgba(59, 130, 246, 0.15) 0%, transparent 50%);
}

.cta-content {
    position: relative;
    z-index: 2;
    max-width: 720px;
    margin: 0 auto;
}

.cta-section h2 {
    color: var(--white);
    font-size: clamp(1.8rem, 4vw, 2.75rem);
    margin-bottom: 1rem;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
}

/* ==========================================================================
   Footer (Compact)
   ========================================================================== */
.footer {
    background: #060f25;
    color: rgba(255, 255, 255, 0.7);
    padding: 1.75rem 0;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem 2rem;
    flex-wrap: wrap;
}

.footer-left {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    flex: 1;
    min-width: 0;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.06);
    padding: 0.5rem 0.85rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: var(--transition-base);
}

.footer-logo:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.15);
}

.footer-logo img {
    height: 28px;
    width: auto;
    display: block;
    filter: brightness(0) invert(1);
    opacity: 1;
}

.footer-info {
    font-size: 0.82rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.6);
}

.footer-info strong {
    color: rgba(255, 255, 255, 0.95);
    font-weight: 600;
    margin-right: 0.5rem;
}

.footer-info a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
}

.footer-info a:hover {
    color: var(--white);
    text-decoration: underline;
}

.footer-divider {
    color: rgba(255, 255, 255, 0.2);
    margin: 0 0.5rem;
}

.footer-right {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.45);
    letter-spacing: 0.1em;
    text-align: right;
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.footer-admin-link {
    color: rgba(255, 255, 255, 0.3);
    font-size: 0.7rem;
    text-decoration: none;
    padding: 0.3rem 0.65rem;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-base);
    letter-spacing: 0.1em;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.footer-admin-link:hover {
    color: rgba(255, 255, 255, 0.85);
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.05);
}

.footer-admin-link i {
    font-size: 0.65rem;
}

/* ==========================================================================
   Animations
   ========================================================================== */
.fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

.fade-in {
    opacity: 0;
    transition: opacity 1s ease-out;
}

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

.stagger-item {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.stagger-item.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1024px) {
    .about-grid,
    .service-detail-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .service-detail:nth-child(even) .service-detail-grid {
        direction: ltr;
    }

    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .footer-right {
        text-align: left;
        flex-wrap: wrap;
        font-size: 0.7rem;
    }
}

@media (max-width: 768px) {
    .navbar-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        z-index: 1002;
        position: relative;
    }

    /* Mobile slide-in menu */
    .navbar-menu {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        height: 100vh;
        height: 100dvh; /* dynamic viewport height for mobile browsers */
        width: 280px;
        max-width: 85vw;
        background: var(--white);
        display: flex;
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
        gap: 0;
        margin: 0;
        padding: 90px 1.5rem 2rem;
        box-shadow: -10px 0 40px rgba(10, 31, 68, 0.15);
        transform: translateX(100%);
        transition: transform 0.3s ease;
        z-index: 1001;
        overflow-y: auto;
        list-style: none;
    }

    .navbar-menu.active {
        transform: translateX(0);
    }

    .navbar-menu li {
        width: 100%;
    }

    .navbar-menu a {
        display: block;
        width: 100%;
        padding: 1rem 0.25rem;
        font-size: 1rem;
        color: var(--navy-deep);
        border-bottom: 1px solid var(--gray-100);
    }

    .navbar-menu a::after {
        display: none;
    }

    .navbar-cta {
        margin-top: 1.25rem;
        text-align: center;
        border-bottom: none !important;
        padding: 0.85rem 1.4rem !important;
    }

    /* Backdrop overlay when menu is open */
    .navbar-menu.active::before {
        content: '';
        position: fixed;
        inset: 0;
        background: rgba(10, 31, 68, 0.4);
        z-index: -1;
        animation: fadeIn 0.3s ease;
    }

    @keyframes fadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }

    /* Lock body scroll when menu open */
    body.menu-open {
        overflow: hidden;
    }

    .section {
        padding: 5rem 0;
    }

    .hero {
        min-height: 90vh;
        padding: 7rem 1.5rem 5rem;
    }

    .page-header {
        padding: 9rem 1.5rem 4rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .contact-form-wrapper {
        padding: 2rem 1.5rem;
    }

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

    .org-level {
        gap: 1rem;
    }

    .timeline {
        padding-left: 2rem;
    }

    .timeline-item::before {
        left: -2rem;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

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