/* =============================================================
   Virtual Staff - Main Stylesheet
   ディスカバリーズ株式会社
   ============================================================= */

/* -----------------------------------------------------------
   CSS Variables (Design Tokens)
   ----------------------------------------------------------- */
:root {
    /* Brand Colors */
    --color-primary:       #6366f1;
    --color-primary-dark:  #4f46e5;
    --color-primary-light: #818cf8;
    --color-secondary:     #8b5cf6;
    --color-accent:        #ec4899;
    --color-success:       #10b981;
    --color-warning:       #f59e0b;
    --color-danger:        #ef4444;

    /* Backgrounds */
    --color-bg-primary:    #0a0a0f;
    --color-bg-secondary:  #13131a;
    --color-bg-tertiary:   #1a1a24;

    /* Grays */
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;

    /* Gradients */
    --gradient-primary:   linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    --gradient-secondary: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);

    /* Typography */
    --font-main: 'Inter', 'Noto Sans JP', system-ui, sans-serif;
    --font-mono: ui-monospace, 'Courier New', monospace;
    --font-weight-light:  300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;

    /* Spacing */
    --spacing-xs:  0.5rem;
    --spacing-sm:  0.75rem;
    --spacing-md:  1rem;
    --spacing-lg:  1.5rem;
    --spacing-xl:  2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Radius */
    --radius-sm:   0.375rem;
    --radius-md:   0.5rem;
    --radius-lg:   0.75rem;
    --radius-xl:   1rem;
    --radius-2xl:  1.5rem;
    --radius-full: 9999px;

    /* Shadow */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.4);

    /* Transition */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

body {
    font-family: var(--font-main);
    background: var(--color-bg-primary);
    color: #e2e2f0;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    min-height: 100vh;
}

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

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

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

ul {
    list-style: none;
}

/* -----------------------------------------------------------
   Layout
   ----------------------------------------------------------- */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* -----------------------------------------------------------
   Header & Navigation
   ----------------------------------------------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: background var(--transition-base);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1280px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    gap: 2rem;
}

.logo {
    flex-shrink: 0;
}

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

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: var(--color-gray-300);
    font-size: 0.925rem;
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-fast);
}

.nav-menu a:hover {
    color: #fff;
}

.nav-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    flex-shrink: 0;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 32px;
    height: 32px;
    justify-content: center;
    align-items: center;
}

.mobile-menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}
.mobile-menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* -----------------------------------------------------------
   Buttons
   ----------------------------------------------------------- */
.btn-primary,
.btn-secondary,
.btn-outline,
.btn-white,
.btn-large {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.5rem;
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-semibold);
    font-size: 0.9rem;
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition-base);
    border: none;
    text-decoration: none;
    font-family: var(--font-main);
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(99, 102, 241, 0.55);
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary-light);
    border: 2px solid var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: #fff;
}

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

.btn-white:hover {
    background: #e0e7ff;
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

/* -----------------------------------------------------------
   Section base
   ----------------------------------------------------------- */
section {
    position: relative;
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 3.5rem;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: var(--font-weight-extrabold);
    color: #fff;
    line-height: 1.2;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-description {
    font-size: 1.05rem;
    color: var(--color-gray-400);
    line-height: 1.75;
}

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

/* -----------------------------------------------------------
   Gradient Orbs & Background
   ----------------------------------------------------------- */
.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    pointer-events: none;
    animation: float 12s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: rgba(99, 102, 241, 0.35);
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: rgba(236, 72, 153, 0.3);
    bottom: -80px;
    right: -80px;
    animation-delay: 3s;
}

.orb-3 {
    width: 350px;
    height: 350px;
    background: rgba(139, 92, 246, 0.3);
    top: 40%;
    left: 50%;
    animation-delay: 6s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33%      { transform: translate(40px, -20px) scale(1.05); }
    66%      { transform: translate(-30px, 30px) scale(0.95); }
}

.grid-pattern {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(99, 102, 241, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.06) 1px, transparent 1px);
    background-size: 48px 48px;
    pointer-events: none;
    mask-image: radial-gradient(ellipse at center, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 70%);
}

/* -----------------------------------------------------------
   Hero Section
   ----------------------------------------------------------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 1.5rem 4rem;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--radius-full);
    color: var(--color-primary-light);
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    margin-bottom: 1.75rem;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%      { opacity: 0.6; transform: scale(1.25); }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: var(--font-weight-extrabold);
    color: #fff;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--color-gray-300);
    line-height: 1.75;
    margin-bottom: 2.5rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 4rem;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 640px;
    margin: 0 auto;
}

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

.stat-value {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: var(--font-weight-extrabold);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    line-height: 1.1;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-gray-400);
    font-weight: var(--font-weight-medium);
}

/* -----------------------------------------------------------
   Features Section
   ----------------------------------------------------------- */
.features {
    background: var(--color-bg-secondary);
}

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

.feature-card {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-4px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    color: var(--color-primary-light);
    margin-bottom: 1.25rem;
}

.feature-title {
    font-size: 1.15rem;
    font-weight: var(--font-weight-semibold);
    color: #fff;
    margin-bottom: 0.5rem;
}

.feature-description {
    font-size: 0.925rem;
    color: var(--color-gray-400);
    line-height: 1.7;
}

/* -----------------------------------------------------------
   Agents Section
   ----------------------------------------------------------- */
.agents {
    background: var(--color-bg-primary);
    position: relative;
}

.agents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.75rem;
}

.agent-card {
    background: var(--color-bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.agent-card:hover {
    transform: translateY(-4px);
    border-color: rgba(99, 102, 241, 0.35);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.15);
}

.agent-visual {
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.12) 0%, transparent 100%);
    padding: 2rem;
    display: flex;
    justify-content: center;
}

.agent-avatar {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid rgba(99, 102, 241, 0.3);
    box-shadow: 0 0 32px rgba(99, 102, 241, 0.25);
}

.agent-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.agent-content {
    padding: 1.5rem 1.75rem 1.75rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.agent-name {
    font-size: 1.4rem;
    font-weight: var(--font-weight-bold);
    color: #fff;
    margin-bottom: 0.25rem;
}

.agent-role {
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary-light);
    margin-bottom: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.agent-description {
    font-size: 0.925rem;
    color: var(--color-gray-400);
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

.agent-features {
    margin-bottom: 1.5rem;
    flex: 1;
}

.agent-features li {
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.875rem;
    color: var(--color-gray-300);
    line-height: 1.6;
    margin-bottom: 0.4rem;
}

.agent-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55rem;
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
}

.agent-card .btn-outline {
    align-self: flex-start;
}

/* -----------------------------------------------------------
   Benefits Section
   ----------------------------------------------------------- */
.benefits {
    background: var(--color-bg-secondary);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.benefit-item {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.benefit-item:hover {
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-4px);
}

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

.benefit-title {
    font-size: 1.3rem;
    font-weight: var(--font-weight-bold);
    color: #fff;
    margin-bottom: 0.75rem;
}

.benefit-description {
    font-size: 0.95rem;
    color: var(--color-gray-400);
    line-height: 1.75;
}

/* -----------------------------------------------------------
   Cases Section
   ----------------------------------------------------------- */
.cases {
    background: var(--color-bg-primary);
}

.cases-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 960px;
    margin: 0 auto;
}

.case-card {
    padding: 2.5rem;
    background: var(--color-bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-base);
}

.case-card:hover {
    border-color: rgba(99, 102, 241, 0.3);
}

.case-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.case-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-bold);
    color: #fff;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.case-meta {
    flex: 1;
}

.case-company {
    font-size: 1.15rem;
    font-weight: var(--font-weight-bold);
    color: #fff;
    margin-bottom: 0.25rem;
}

.case-industry {
    font-size: 0.875rem;
    color: var(--color-gray-400);
}

.case-title {
    font-size: 1.35rem;
    font-weight: var(--font-weight-bold);
    color: #fff;
    margin-bottom: 1rem;
    line-height: 1.4;
}

.case-description {
    font-size: 0.95rem;
    color: var(--color-gray-300);
    line-height: 1.75;
    margin-bottom: 1.25rem;
}

.case-quote {
    padding: 1.25rem 1.5rem;
    background: rgba(99, 102, 241, 0.06);
    border-left: 3px solid var(--color-primary);
    border-radius: var(--radius-md);
    margin: 1.5rem 0;
}

.case-quote p {
    font-size: 0.95rem;
    color: #fff;
    font-style: italic;
    line-height: 1.7;
    margin-bottom: 0.5rem;
}

.case-quote cite {
    font-size: 0.85rem;
    color: var(--color-gray-400);
    font-style: normal;
}

.case-video {
    margin: 1.5rem 0;
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background: rgba(0, 0, 0, 0.4);
}

.video-wrapper iframe,
.video-wrapper video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.case-results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.case-result {
    text-align: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-md);
}

.result-label {
    display: block;
    font-size: 0.8rem;
    color: var(--color-gray-400);
    margin-bottom: 0.25rem;
}

.result-value {
    display: block;
    font-size: 1.4rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary-light);
}

/* -----------------------------------------------------------
   Pricing Section
   ----------------------------------------------------------- */
.pricing {
    background: var(--color-bg-secondary);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.75rem;
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    position: relative;
    background: var(--color-bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-2xl);
    padding: 2rem 1.75rem;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-6px);
    border-color: rgba(99, 102, 241, 0.4);
}

.pricing-card.featured {
    border-color: var(--color-primary);
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.08), var(--color-bg-tertiary) 80%);
    box-shadow: 0 20px 48px rgba(99, 102, 241, 0.2);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: #fff;
    padding: 0.35rem 1rem;
    font-size: 0.75rem;
    font-weight: var(--font-weight-bold);
    border-radius: var(--radius-full);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.pricing-header {
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 1.5rem;
}

.pricing-plan {
    font-size: 1.15rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

.pricing-price {
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
    margin-bottom: 0.75rem;
}

.price-currency {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: #fff;
}

.price-amount {
    font-size: 2.75rem;
    font-weight: var(--font-weight-extrabold);
    color: #fff;
    line-height: 1;
    letter-spacing: -0.02em;
}

.price-period {
    font-size: 1rem;
    color: var(--color-gray-400);
}

.pricing-description {
    font-size: 0.875rem;
    color: var(--color-gray-400);
    line-height: 1.6;
}

.pricing-features {
    margin-bottom: 1.75rem;
    flex: 1;
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    font-size: 0.925rem;
    color: var(--color-gray-300);
    padding: 0.55rem 0;
    line-height: 1.5;
}

.check-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    color: var(--color-success);
    margin-top: 1px;
}

/* -----------------------------------------------------------
   CTA Section
   ----------------------------------------------------------- */
.cta {
    position: relative;
    background: var(--color-bg-primary);
    overflow: hidden;
    padding: 6rem 0;
}

.cta-background {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: var(--font-weight-extrabold);
    color: #fff;
    line-height: 1.25;
    margin-bottom: 1.25rem;
}

.cta-description {
    font-size: 1.05rem;
    color: var(--color-gray-300);
    line-height: 1.75;
    margin-bottom: 2.5rem;
}

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

/* -----------------------------------------------------------
   Footer
   ----------------------------------------------------------- */
.footer {
    background: #060609;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr repeat(4, 1fr);
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.footer-brand {
    max-width: 280px;
}

.footer-brand .logo {
    margin-bottom: 1rem;
}

.footer-description {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    line-height: 1.75;
}

.footer-title {
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
    color: #fff;
    margin-bottom: 1.25rem;
    letter-spacing: 0.02em;
}

.footer-column ul li {
    margin-bottom: 0.625rem;
}

.footer-column ul li a {
    font-size: 0.875rem;
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

.footer-column ul li a:hover {
    color: var(--color-primary-light);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--color-gray-500);
}

.footer-social {
    display: flex;
    gap: 0.75rem;
}

.footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    color: var(--color-gray-400);
    font-size: 0.875rem;
    font-weight: var(--font-weight-bold);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
    transform: translateY(-2px);
}

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

/* -----------------------------------------------------------
   Responsive
   ----------------------------------------------------------- */
@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: 1fr 1fr 1fr;
    }
    .footer-brand {
        grid-column: 1 / -1;
        max-width: none;
    }
}

@media (max-width: 768px) {
    section {
        padding: 4rem 0;
    }

    .nav-menu,
    .nav-actions {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu.active {
        display: flex;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        padding: 1rem 1.5rem;
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .nav-menu.active li {
        padding: 0.75rem 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    }

    .hero {
        padding: 7rem 1.5rem 3rem;
        min-height: auto;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .hero-cta,
    .cta-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-cta .btn-primary,
    .hero-cta .btn-secondary,
    .cta-actions .btn-primary,
    .cta-actions .btn-secondary,
    .cta-actions .btn-white {
        width: 100%;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }

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

    .case-card {
        padding: 1.75rem 1.25rem;
    }
}

@media (max-width: 480px) {
    .footer-content {
        grid-template-columns: 1fr;
    }
}