/* ============================================
   BROKEN PIE - Main Stylesheet
   Robotics & AI Engineering
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a2e;
    --accent-blue: #3b82f6;
    --accent-purple: #8b5cf6;
    --accent-cyan: #06b6d4;
    --text-primary: #ffffff;
    --text-secondary: #e2e8f0;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    --border-color: rgba(255, 255, 255, 0.06);
    --border-light: rgba(255, 255, 255, 0.1);
    --gradient-main: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    --gradient-bg: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 50%, #16213e 100%);
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

ul, ol {
    list-style: none;
}

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

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

/* ---------- Utility Classes ---------- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 8rem 0;
    position: relative;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-blue);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: 1.5rem;
}

.section-label::before {
    content: '';
    width: 40px;
    height: 1px;
    background: var(--accent-blue);
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

.section-title span {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-desc {
    font-size: 1.125rem;
    color: var(--text-muted);
    max-width: 600px;
    line-height: 1.8;
}

.gradient-text {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: 8px;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-main);
    color: var(--text-primary);
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #8b5cf6 0%, #3b82f6 100%);
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary span {
    position: relative;
    z-index: 1;
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-blue);
}

.btn-icon {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-fast);
}

.btn:hover .btn-icon {
    transform: translateX(4px);
}

/* ---------- Background Effects ---------- */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
}

.bg-gradient {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-bg);
    z-index: -1;
}

#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.glow-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.12;
    pointer-events: none;
    z-index: 0;
}

.glow-orb-1 {
    width: 500px;
    height: 500px;
    background: var(--accent-blue);
    top: -150px;
    right: -150px;
}

.glow-orb-2 {
    width: 400px;
    height: 400px;
    background: var(--accent-purple);
    bottom: -100px;
    left: -100px;
}

.glow-orb-3 {
    width: 300px;
    height: 300px;
    background: var(--accent-cyan);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.05;
}

/* ---------- Navigation ---------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: all var(--transition-medium);
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav-logo img {
    height: 64px;
    width: auto;
}

.nav-logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-main);
    transition: width var(--transition-medium);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-cta {
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
}

/* Mobile Menu Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 28px;
    padding: 4px 0;
}

.nav-toggle span {
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-fast);
}

/* ---------- Hero Section ---------- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 6rem;
    position: relative;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 100px;
    margin-bottom: 2rem;
    font-size: 0.875rem;
    color: var(--accent-blue);
}

.hero-badge-dot {
    width: 6px;
    height: 6px;
    background: var(--accent-blue);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

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

.hero-title {
    font-size: clamp(3rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}

.hero-title .line {
    display: block;
    overflow: hidden;
}

.hero-title .word {
    display: inline-block;
    transform: translateY(100%);
    animation: slideUp 0.8s ease forwards;
}

.hero-title .line:nth-child(2) .word {
    animation-delay: 0.1s;
}

.hero-title .line:nth-child(3) .word {
    animation-delay: 0.2s;
}

@keyframes slideUp {
    to { transform: translateY(0); }
}

.hero-desc {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 500px;
    margin-bottom: 2.5rem;
    line-height: 1.7;
    opacity: 0;
    animation: fadeIn 0.8s ease 0.4s forwards;
}

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

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeIn 0.8s ease 0.6s forwards;
}

.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 500px;
}

.hero-image {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 0 60px rgba(59, 130, 246, 0.3));
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.hero-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.2) 0%, transparent 70%);
    pointer-events: none;
}

/* ---------- Stats Bar ---------- */
.stats-bar {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 3rem 0;
    position: relative;
    z-index: 2;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 1rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ---------- Services Section ---------- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 4rem;
}

.service-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-main);
    transform: scaleX(0);
    transition: transform var(--transition-medium);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-light);
    background: rgba(255, 255, 255, 0.03);
}

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

.service-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-main);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-icon svg {
    width: 28px;
    height: 28px;
    color: white;
}

.service-title {
    font-size: 1.375rem;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.service-desc {
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--accent-blue);
    transition: gap var(--transition-fast);
}

.service-link:hover {
    gap: 0.75rem;
}

/* ---------- About Preview ---------- */
.about-preview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image-main {
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.about-stats {
    position: absolute;
    bottom: -30px;
    right: -30px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem 2rem;
    display: flex;
    gap: 2rem;
}

.about-stat {
    text-align: center;
}

.about-stat-num {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--accent-blue);
}

.about-stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.about-content .section-desc {
    margin-bottom: 2rem;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.about-feature svg {
    width: 20px;
    height: 20px;
    color: var(--accent-blue);
    flex-shrink: 0;
}

/* ---------- Projects Section ---------- */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 4rem;
}

.project-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    transition: all var(--transition-medium);
}

.project-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-light);
}

.project-image {
    width: 100%;
    height: 240px;
    object-fit: cover;
    border-bottom: 1px solid var(--border-color);
}

.project-content {
    padding: 2rem;
}

.project-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.project-tag {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--accent-blue);
    background: rgba(59, 130, 246, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
}

.project-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

.project-desc {
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ---------- CTA Section ---------- */
.cta-section {
    text-align: center;
    padding: 6rem 0;
}

.cta-box {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 5rem 3rem;
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-main);
}

.cta-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.03em;
}

.cta-desc {
    font-size: 1.125rem;
    color: var(--text-muted);
    max-width: 500px;
    margin: 0 auto 2rem;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ---------- Footer ---------- */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 5rem 0 2rem;
    position: relative;
    z-index: 2;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.footer-logo img {
    height: 56px;
}

.footer-logo-text {
    font-size: 1.125rem;
    font-weight: 700;
}

.footer-desc {
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

.social-link:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    background: rgba(59, 130, 246, 0.1);
}

.social-link svg {
    width: 18px;
    height: 18px;
}

.footer-heading {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-link {
    font-size: 0.9375rem;
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--text-primary);
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.9375rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.footer-contact-item svg {
    width: 18px;
    height: 18px;
    color: var(--accent-blue);
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-copyright {
    font-size: 0.875rem;
    color: var(--text-dim);
}

.footer-legal {
    display: flex;
    gap: 2rem;
}

.footer-legal a {
    font-size: 0.875rem;
    color: var(--text-dim);
    transition: color var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--text-primary);
}

/* ---------- Page Header ---------- */
.page-header {
    padding: 10rem 0 5rem;
    text-align: center;
    position: relative;
    z-index: 2;
}

.page-header-content {
    max-width: 700px;
    margin: 0 auto;
}

/* ---------- Services Detail Page ---------- */
.services-detail {
    position: relative;
    z-index: 2;
}

.service-detail-card {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: center;
    padding: 4rem 0;
    border-bottom: 1px solid var(--border-color);
}

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

.service-detail-card:nth-child(even) > * {
    direction: ltr;
}

.service-detail-visual {
    position: relative;
}

.service-detail-icon {
    width: 120px;
    height: 120px;
    background: var(--gradient-main);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
}

.service-detail-icon svg {
    width: 60px;
    height: 60px;
    color: white;
}

.service-detail-num {
    font-size: 8rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.03);
    position: absolute;
    top: -2rem;
    left: -1rem;
    line-height: 1;
}

.service-detail-content h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.service-detail-content p {
    font-size: 1.0625rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.service-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.service-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.service-feature svg {
    width: 18px;
    height: 18px;
    color: var(--accent-blue);
}

/* ---------- Projects Page ---------- */
.projects-filter {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 100px;
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    color: var(--text-primary);
    border-color: var(--accent-blue);
    background: rgba(59, 130, 246, 0.1);
}

.projects-full-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.project-card-full {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    transition: all var(--transition-medium);
}

.project-card-full:hover {
    transform: translateY(-8px);
    border-color: var(--border-light);
}

.project-card-full .project-image {
    height: 200px;
}

/* ---------- About Page ---------- */
.about-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 6rem;
}

/* About Story Section */
.about-story-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about-story-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
}

.about-story-text {
    font-size: 1.0625rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.about-story-text:last-child {
    margin-bottom: 0;
}

.about-image-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.about-image-card img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-slow);
}

.about-image-card:hover img {
    transform: scale(1.03);
}

.about-image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem;
    background: linear-gradient(to top, rgba(10, 10, 15, 0.95) 0%, transparent 100%);
}

.about-image-badge {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.badge-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.badge-text {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Mission & Vision Section */
.mission-vision-section {
    background: var(--bg-secondary);
    position: relative;
    z-index: 2;
}

.mission-vision-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.mission-card,
.vision-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 3rem;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-medium);
}

.mission-card::before,
.vision-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-main);
}

.mission-card:hover,
.vision-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-light);
    background: rgba(255, 255, 255, 0.03);
}

.mv-icon {
    width: 64px;
    height: 64px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.mv-icon svg {
    width: 32px;
    height: 32px;
    color: var(--accent-blue);
}

.mv-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.mv-text {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.8;
}

/* Corporate Values Grid */
.values-section {
    margin-top: 6rem;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.values-grid-corporate {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.value-card-corporate {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem;
    position: relative;
    transition: all var(--transition-medium);
}

.value-card-corporate:hover {
    transform: translateY(-4px);
    border-color: var(--border-light);
    background: rgba(255, 255, 255, 0.03);
}

.value-number {
    position: absolute;
    top: 1.5rem;
    right: 2rem;
    font-size: 4rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.03);
    line-height: 1;
}

.value-icon-corporate {
    width: 56px;
    height: 56px;
    background: var(--gradient-main);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.value-icon-corporate svg {
    width: 28px;
    height: 28px;
    color: white;
}

.value-title-corporate {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

.value-desc-corporate {
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.7;
}

.value-card {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    transition: all var(--transition-medium);
}

.value-card:hover {
    border-color: var(--border-light);
    background: rgba(255, 255, 255, 0.03);
}

.value-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-main);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
}

.value-icon svg {
    width: 28px;
    height: 28px;
    color: white;
}

.value-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.value-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Timeline Section */
.timeline-section {
    position: relative;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 3rem;
}

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

.timeline-item {
    position: relative;
    padding-bottom: 3rem;
}

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

.timeline-marker {
    position: absolute;
    left: -3rem;
    top: 0;
    width: 16px;
    height: 16px;
    background: var(--bg-primary);
    border: 3px solid var(--accent-blue);
    border-radius: 50%;
    transform: translateX(-50%);
    margin-left: 1px;
}

.timeline-marker-current {
    background: var(--accent-blue);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.5);
}

.timeline-content {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    transition: all var(--transition-medium);
}

.timeline-item:hover .timeline-content {
    border-color: var(--border-light);
    background: rgba(255, 255, 255, 0.03);
}

.timeline-year {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-blue);
    background: rgba(59, 130, 246, 0.1);
    padding: 0.375rem 0.875rem;
    border-radius: 100px;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.timeline-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.timeline-text {
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* Expertise Grid */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.expertise-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem;
    transition: all var(--transition-medium);
}

.expertise-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-light);
    background: rgba(255, 255, 255, 0.03);
}

.expertise-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-main);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.expertise-icon svg {
    width: 32px;
    height: 32px;
    color: white;
}

.expertise-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

.expertise-desc {
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.expertise-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.expertise-tags span {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--accent-blue);
    background: rgba(59, 130, 246, 0.1);
    padding: 0.375rem 0.75rem;
    border-radius: 100px;
}

/* Why Choose Us Section */
.why-us-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.why-us-features {
    margin-top: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.why-us-feature {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
}

.feature-check {
    width: 32px;
    height: 32px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-check svg {
    width: 16px;
    height: 16px;
    color: var(--accent-blue);
}

.feature-content h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.375rem;
}

.feature-content p {
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.why-us-stats-card {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 3rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.stats-card-item {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 16px;
}

.stats-card-number {
    display: block;
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stats-card-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.team-section {
    margin-top: 6rem;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.team-card {
    text-align: center;
}

.team-image {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    margin-bottom: 1.25rem;
    filter: grayscale(20%);
    transition: filter var(--transition-medium);
}

.team-card:hover .team-image {
    filter: grayscale(0%);
}

.team-name {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.team-role {
    font-size: 0.875rem;
    color: var(--accent-blue);
}

/* ---------- Corporate Responsibility Page ---------- */
.csr-intro-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.csr-commitment-card {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 3rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.csr-commitment-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-main);
}

.commitment-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-main);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.commitment-icon svg {
    width: 40px;
    height: 40px;
    color: white;
}

.csr-commitment-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.csr-commitment-card p {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* CSR Pillars */
.csr-pillars-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.csr-pillar-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    position: relative;
    transition: all var(--transition-medium);
}

.csr-pillar-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-light);
    background: rgba(255, 255, 255, 0.03);
}

.pillar-number {
    position: absolute;
    top: 1rem;
    right: 1.25rem;
    font-size: 2.5rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.03);
    line-height: 1;
}

.pillar-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-main);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
}

.pillar-icon svg {
    width: 28px;
    height: 28px;
    color: white;
}

.pillar-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.pillar-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* CSR Detail Section */
.csr-detail-section {
    max-width: 900px;
    margin: 0 auto;
}

.csr-detail-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.csr-detail-icon {
    width: 72px;
    height: 72px;
    background: var(--gradient-main);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.csr-detail-icon svg {
    width: 36px;
    height: 36px;
    color: white;
}

.csr-detail-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    letter-spacing: -0.02em;
}

.csr-detail-subtitle {
    font-size: 1rem;
    color: var(--text-muted);
}

.csr-principles-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.csr-principle-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    transition: all var(--transition-medium);
}

.csr-principle-card:hover {
    border-color: var(--border-light);
    background: rgba(255, 255, 255, 0.03);
}

.csr-principle-card .principle-icon {
    width: 48px;
    height: 48px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.csr-principle-card .principle-icon svg {
    width: 24px;
    height: 24px;
    color: var(--accent-blue);
}

.csr-principle-card h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.csr-principle-card p {
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* Sustainability Section */
.csr-sustainability-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 4rem;
    align-items: center;
}

.sustainability-initiatives {
    margin-top: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.initiative-item {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
}

.initiative-icon {
    width: 48px;
    height: 48px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.initiative-icon svg {
    width: 24px;
    height: 24px;
    color: var(--accent-blue);
}

.initiative-content h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.375rem;
}

.initiative-content p {
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.sustainability-stats {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    align-items: center;
}

.sustainability-stat {
    text-align: center;
}

.stat-circle {
    position: relative;
    width: 150px;
    height: 150px;
    margin-bottom: 1rem;
}

.stat-circle svg {
    width: 100%;
    height: 100%;
}

.stat-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sustainability-stat .stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Community Grid */
.community-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.community-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all var(--transition-medium);
}

.community-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-light);
    background: rgba(255, 255, 255, 0.03);
}

.community-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-main);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
}

.community-icon svg {
    width: 28px;
    height: 28px;
    color: white;
}

.community-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.community-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.community-stat {
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-color);
}

.community-stat-number {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 0.25rem;
}

.community-stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Workplace Section */
.workplace-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: center;
}

.workplace-values-stack {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.workplace-value-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    transition: all var(--transition-medium);
}

.workplace-value-item:hover {
    border-color: var(--border-light);
    background: rgba(255, 255, 255, 0.03);
    transform: translateX(8px);
}

.workplace-value-item svg {
    width: 24px;
    height: 24px;
    color: var(--accent-blue);
    flex-shrink: 0;
}

.workplace-value-item span {
    font-size: 1rem;
    font-weight: 500;
}

/* Responsible Innovation */
.responsible-innovation {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08) 0%, rgba(139, 92, 246, 0.08) 100%);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 4rem;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.innovation-badge {
    width: 80px;
    height: 80px;
    background: var(--gradient-main);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
}

.innovation-badge svg {
    width: 40px;
    height: 40px;
    color: white;
}

.innovation-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.innovation-text {
    font-size: 1.0625rem;
    color: var(--text-muted);
    line-height: 1.8;
    max-width: 700px;
    margin: 0 auto 2.5rem;
}

.innovation-principles {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.innovation-principle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    padding: 0.75rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.principle-check {
    width: 20px;
    height: 20px;
    background: rgba(59, 130, 246, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.principle-check svg {
    width: 12px;
    height: 12px;
    color: var(--accent-blue);
}

/* ---------- Contact Page ---------- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info {
    padding-right: 2rem;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.contact-info-item:last-child {
    border-bottom: none;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 22px;
    height: 22px;
    color: var(--accent-blue);
}

.contact-info-content h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.contact-info-content p,
.contact-info-content a {
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.6;
}

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

.contact-form-wrapper {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 3rem;
}

.contact-form-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.contact-form-desc {
    font-size: 0.9375rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 1rem 1.25rem;
    font-size: 0.9375rem;
    font-family: inherit;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--accent-blue);
    background: rgba(59, 130, 246, 0.05);
}

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

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
}

.form-select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.form-submit {
    margin-top: 1rem;
}

/* ---------- Animations ---------- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-desc {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
        max-width: 400px;
        margin: 0 auto;
    }

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

    .about-preview {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-stats {
        position: relative;
        bottom: 0;
        right: 0;
        margin-top: 1.5rem;
        justify-content: center;
    }

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

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 3rem;
    }

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

    .service-detail-card {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

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

    .about-hero {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

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

    .about-story-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-story-content {
        text-align: center;
    }

    .mission-vision-grid {
        grid-template-columns: 1fr;
    }

    .values-grid-corporate {
        grid-template-columns: 1fr;
    }

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

    .why-us-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .timeline {
        padding-left: 2.5rem;
    }

    .timeline-marker {
        left: -2.5rem;
    }

    .csr-intro-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

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

    .csr-principles-grid {
        grid-template-columns: 1fr;
    }

    .csr-sustainability-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

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

    .workplace-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .workplace-visual {
        order: 2;
    }

    .contact-info {
        padding-right: 0;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: var(--bg-secondary);
        flex-direction: column;
        justify-content: center;
        gap: 2rem;
        transition: right var(--transition-medium);
        border-left: 1px solid var(--border-color);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

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

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

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

    .section {
        padding: 5rem 0;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .projects-full-grid {
        grid-template-columns: 1fr;
    }

    .values-grid,
    .team-grid {
        grid-template-columns: 1fr;
    }

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

    .timeline {
        padding-left: 2rem;
    }

    .timeline-marker {
        left: -2rem;
        width: 12px;
        height: 12px;
    }

    .timeline-content {
        padding: 1.5rem;
    }

    .mission-card,
    .vision-card {
        padding: 2rem;
    }

    .why-us-stats-card {
        padding: 2rem;
    }

    .stats-card-number {
        font-size: 2.25rem;
    }

    .csr-pillars-grid {
        grid-template-columns: 1fr;
    }

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

    .responsible-innovation {
        padding: 2.5rem 1.5rem;
    }

    .innovation-principles {
        flex-direction: column;
        align-items: center;
    }

    .csr-detail-header {
        flex-direction: column;
        text-align: center;
    }

    .cta-box {
        padding: 3rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1.25rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

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

    .stat-number {
        font-size: 2.5rem;
    }

    .service-features {
        grid-template-columns: 1fr;
    }
}