/* ========================================
   UNSOLID Inc. Corporate Website
   Navy Blue & Tech - Professional & Dynamic Design
   ======================================== */

/* ========== CSS RESET & BASE ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors - Modern Tech Base */
    --color-bg-primary: #0a0e14;
    --color-bg-secondary: #0f1419;
    --color-bg-tertiary: #151b23;
    --color-bg-light: #FFFFFF;
    --color-text-primary: #FFFFFF;
    --color-text-secondary: #B0B8C4;
    --color-text-tertiary: #808896;
    --color-text-dark: #0A0A0A;
    
    /* UNSOLID Navy Blue Colors - イメージカラー #133750 */
    --color-accent-primary: #133750;
    --color-accent-secondary: #1d4f75;
    --color-accent-dark: #0d2438;
    --color-accent-light: #2b6a9a;
    --color-accent-bright: #4a8ec2;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #133750 0%, #1d4f75 100%);
    --gradient-tech: linear-gradient(135deg, #133750 0%, #0d2438 100%);
    --gradient-dark: linear-gradient(135deg, #0a0e14 0%, #0f1419 100%);
    --gradient-subtle: linear-gradient(135deg, rgba(19, 55, 80, 0.08) 0%, rgba(29, 79, 117, 0.05) 100%);
    --gradient-overlay: linear-gradient(180deg, rgba(10, 14, 20, 0.9) 0%, rgba(15, 20, 25, 0.95) 100%);
    
    /* Borders & Shadows - Subtle for dark theme */
    --color-border: #1f2937;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.5);
    --shadow-blue: 0 4px 20px rgba(19, 55, 80, 0.4);
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    
    /* Spacing - Generous */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-2xl: 8rem;
    --spacing-3xl: 12rem;
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

::-moz-selection {
    background-color: var(--color-accent-primary);
    color: #FFFFFF;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gradient-racing);
}

/* ========== TYPOGRAPHY ========== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
    color: var(--color-text-primary);
}

h1 {
    font-size: clamp(3rem, 8vw, 6.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
}

h2 {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
}

h3 {
    font-size: clamp(1.75rem, 4vw, 3rem);
}

h4 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    margin-bottom: 1.5rem;
    color: var(--color-text-secondary);
    font-size: 1.0625rem;
    line-height: 1.7;
}

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

a:hover {
    color: var(--color-accent-secondary);
}

/* ========== LAYOUT ========== */
.container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 max(var(--spacing-md), env(safe-area-inset-right));
}

.container-wide {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 max(var(--spacing-md), env(safe-area-inset-right));
}

section {
    padding: var(--spacing-3xl) 0;
    position: relative;
}

/* White Background Section */
section.bg-white {
    background-color: #FFFFFF;
    color: var(--color-text-dark);
}

section.bg-white h1,
section.bg-white h2,
section.bg-white h3,
section.bg-white h4,
section.bg-white h5,
section.bg-white h6 {
    color: var(--color-text-dark);
}

section.bg-white p {
    color: #4a5568;
}

section.bg-white .section-eyebrow {
    color: var(--color-accent-primary);
}

/* Light Gray Background Section */
section.bg-light {
    background-color: #f7fafc;
    color: var(--color-text-dark);
}

section.bg-light h1,
section.bg-light h2,
section.bg-light h3,
section.bg-light h4,
section.bg-light h5,
section.bg-light h6 {
    color: var(--color-text-dark);
}

section.bg-light p {
    color: #4a5568;
}

/* UNSOLID Blue Background Section */
section.bg-unsolid {
    background: linear-gradient(135deg, #133750 0%, #1d4f75 100%);
    color: #FFFFFF;
}

section.bg-unsolid h1,
section.bg-unsolid h2,
section.bg-unsolid h3,
section.bg-unsolid h4,
section.bg-unsolid h5,
section.bg-unsolid h6 {
    color: #FFFFFF;
}

section.bg-unsolid p {
    color: #e2e8f0;
}

section.bg-unsolid .section-eyebrow {
    color: #FFFFFF;
    opacity: 0.9;
}

/* UNSOLID Light Blue Background */
section.bg-unsolid-light {
    background: linear-gradient(135deg, rgba(19, 55, 80, 0.05) 0%, rgba(29, 79, 117, 0.03) 100%);
    color: var(--color-text-dark);
}

section.bg-unsolid-light h2 {
    color: var(--color-accent-primary);
}

/* UNSOLID Color Accent for Headings */
section.bg-white h2,
section.bg-light h2 {
    color: var(--color-accent-primary);
}

section.bg-white .section-title,
section.bg-light .section-title {
    color: var(--color-accent-primary);
}

/* Links on white/light backgrounds */
section.bg-white a:not(.btn),
section.bg-light a:not(.btn) {
    color: var(--color-accent-primary);
    font-weight: 500;
}

section.bg-white a:not(.btn):hover,
section.bg-light a:not(.btn):hover {
    color: var(--color-accent-secondary);
}

/* ========== HEADER - Clean White Style ========== */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid #e2e8f0;
    transition: all var(--transition-fast);
}

header.scrolled {
    background-color: rgba(255, 255, 255, 1);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    border-bottom: 1px solid #cbd5e0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem max(var(--spacing-md), env(safe-area-inset-right));
    max-width: 100%;
}

.logo {
    z-index: 1001;
    display: flex;
    align-items: center;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    text-decoration: none;
    transition: opacity var(--transition-fast);
}

.logo a:hover {
    opacity: 0.8;
}

.logo-icon {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: #133750;
    letter-spacing: -0.02em;
}

/* Navigation */
.nav-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.main-nav {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.main-nav .nav-item {
    position: relative;
}

.nav-link {
    color: #1a1a1a;
    font-size: 0.9375rem;
    font-weight: 500;
    padding: 0.5rem 0;
    transition: color var(--transition-fast);
    white-space: nowrap;
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-accent-primary);
    transform: scaleX(0);
    transition: transform var(--transition-fast);
    box-shadow: 0 0 10px rgba(19, 55, 80, 0.5);
}

.nav-link:hover,
.nav-item:hover > .nav-link,
.nav-item:focus-within > .nav-link {
    color: var(--color-accent-primary);
}

.nav-link:hover::before,
.nav-item:hover > .nav-link::before,
.nav-item:focus-within > .nav-link::before,
.nav-link.active::before,
.nav-item.active > .nav-link::before {
    transform: scaleX(1);
}

.nav-link.has-caret::after {
    content: '';
    display: inline-block;
    width: 0.5rem;
    height: 0.5rem;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    transition: transform var(--transition-fast);
}

.nav-item:hover > .nav-link.has-caret::after,
.nav-item:focus-within > .nav-link.has-caret::after,
.nav-item.active > .nav-link.has-caret::after {
    transform: rotate(225deg);
}

.nav-item.active > .nav-link,
.nav-link.active {
    color: var(--color-accent-primary);
}

.nav-item {
    position: relative;
}

/* Add padding area between nav item and dropdown to prevent closing */
.nav-item::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: 0.75rem;
    background: transparent;
    z-index: 999;
}

.dropdown {
    position: absolute;
    top: calc(100% + 0.75rem);
    left: 0;
    min-width: 220px;
    background: #FFFFFF;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    padding: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(10px);
    transition: opacity 0.15s ease, transform 0.15s ease, visibility 0s linear 0.3s;
    z-index: 1000;
}

.nav-item:hover .dropdown,
.nav-item:focus-within .dropdown,
.dropdown:hover {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
    transition: opacity 0.15s ease, transform 0.15s ease, visibility 0s linear 0s;
}

.dropdown a {
    color: #1a1a1a;
    font-size: 0.925rem;
    font-weight: 500;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    transition: all var(--transition-fast);
}
    border-radius: 8px;
    transition: all var(--transition-fast);
}

.dropdown a:hover,
.dropdown a:focus {
    color: var(--color-accent-primary);
    background: rgba(19, 55, 80, 0.1);
}

.dropdown a.active {
    color: var(--color-accent-primary);
    font-weight: 600;
    background: rgba(19, 55, 80, 0.15);
}

.language-switcher {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    font-size: 0.875rem;
    font-weight: 500;
}

.language-switcher a {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    transition: all var(--transition-fast);
    color: #1a1a1a;
}

.language-switcher a.active {
    background: var(--gradient-primary);
    color: white;
}

.language-switcher a:not(.active):hover {
    background-color: #f5f5f5;
}

.language-switcher .separator {
    color: #cccccc;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: #1a1a1a;
    transition: all var(--transition-normal);
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Navigation */
.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    background-color: var(--color-bg-secondary);
    border-left: 1px solid var(--color-border);
    padding: 100px var(--spacing-md) var(--spacing-md);
    transition: right var(--transition-normal);
    z-index: 999;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

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

.mobile-nav a {
    display: block;
    color: var(--color-text-primary);
    font-size: 1.5rem;
    font-weight: 600;
    padding: var(--spacing-sm) 0;
    transition: color var(--transition-fast);
    letter-spacing: -0.01em;
}

.mobile-nav-single {
    font-size: 1.5rem;
    font-weight: 600;
}

.mobile-nav a:hover {
    color: var(--color-accent-primary);
}

.mobile-nav a.active {
    color: var(--color-accent-primary);
}

.mobile-nav-group {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
}

.mobile-nav-group:first-of-type {
    border-top: none;
    padding-top: 0;
}

.mobile-nav-group-title {
    display: block;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}

.mobile-nav-sub-link {
    font-size: 1.125rem;
    font-weight: 500;
    padding: 0.4rem 0;
    display: block;
}

.mobile-nav .language-switcher {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    justify-content: flex-start;
}

/* Mobile Overlay */
.nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: 998;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.nav-overlay.active {
    display: block;
    opacity: 1;
}

/* ========== HERO SECTION - Modern Gradient Style ========== */
/* ========== HERO SECTION - DYNAMIC ========== */
.hero-dynamic {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    padding-top: 80px;
}

/* Animated Gradient Background */
.hero-gradient-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(19, 55, 80, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(29, 79, 117, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(43, 106, 154, 0.1) 0%, transparent 70%),
        linear-gradient(135deg, #0a0e14 0%, #040508 100%);
    animation: gradientFlow 15s ease infinite;
    z-index: 0;
}

@keyframes gradientFlow {
    0%, 100% {
        transform: scale(1) rotate(0deg);
        opacity: 1;
    }
    50% {
        transform: scale(1.1) rotate(2deg);
        opacity: 0.9;
    }
}

.hero-dynamic .hero-content {
    max-width: 1100px;
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 1;
    animation: heroFadeIn 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
}

@keyframes heroFadeIn {
    0% {
        opacity: 0;
        transform: translateY(40px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hero Badge */
.hero-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(19, 55, 80, 0.3);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    animation: badgePulse 3s ease-in-out infinite;
}

@keyframes badgePulse {
    0%, 100% {
        box-shadow: 0 0 20px rgba(19, 55, 80, 0.4);
        border-color: rgba(19, 55, 80, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(29, 79, 117, 0.6);
        border-color: rgba(29, 79, 117, 0.6);
    }
}

/* Hero Title */
.hero-title {
    font-size: clamp(2.5rem, 8vw, 6rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
    background: linear-gradient(
        135deg,
        #FFFFFF 0%,
        #FFFFFF 40%,
        var(--color-accent-primary) 70%,
        var(--color-accent-secondary) 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: titleShine 8s ease-in-out infinite;
    background-size: 200% 100%;
}

@keyframes titleShine {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

/* Hero Description */
.hero-description {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto 3rem;
    line-height: 1.7;
    font-weight: 400;
}

/* Hero CTA */
.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    align-items: center;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-tertiary);
    animation: scrollBounce 2s ease-in-out infinite;
    z-index: 1;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(
        to bottom,
        transparent 0%,
        var(--color-accent-primary) 50%,
        transparent 100%
    );
    animation: scrollLineMove 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(10px);
    }
}

@keyframes scrollLineMove {
    0%, 100% {
        opacity: 0.3;
        height: 40px;
    }
    50% {
        opacity: 1;
        height: 60px;
    }
}

/* Enhanced Buttons */
.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-normal);
}

.btn-large svg {
    transition: transform var(--transition-fast);
}

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

/* Old Hero (Keep for other pages) */
.hero {
    min-height: 95vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 80px;
    position: relative;
    background: var(--color-bg-primary);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -25%;
    width: 150%;
    height: 150%;
    background: 
        radial-gradient(circle at 30% 20%, rgba(19, 55, 80, 0.25) 0%, transparent 40%),
        radial-gradient(circle at 70% 80%, rgba(29, 79, 117, 0.2) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(19, 55, 80, 0.1) 0%, transparent 60%);
    animation: gradientShift 20s ease infinite;
    pointer-events: none;
}

@keyframes gradientShift {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 1;
    }
    33% {
        transform: translate(5%, -5%) scale(1.1);
        opacity: 0.8;
    }
    66% {
        transform: translate(-5%, 5%) scale(1.05);
        opacity: 0.9;
    }
}

.hero-content {
    max-width: 980px;
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 1;
}

.hero h1 {
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, #FFFFFF 0%, var(--color-accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: titleGlow 3s ease-in-out infinite alternate;
}

@keyframes titleGlow {
    0% {
        filter: drop-shadow(0 0 20px rgba(19, 55, 80, 0.3));
    }
    100% {
        filter: drop-shadow(0 0 40px rgba(19, 55, 80, 0.6));
    }
}

.hero .tagline {
    font-size: clamp(1.25rem, 3vw, 2rem);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    font-weight: 500;
    letter-spacing: -0.01em;
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-block;
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 980px;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #FFFFFF;
    box-shadow: var(--shadow-blue);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(19, 55, 80, 0.7);
    background: var(--gradient-tech);
}

.btn-secondary {
    background-color: transparent;
    border: 2px solid var(--color-accent-primary);
    color: var(--color-accent-primary);
    position: relative;
    overflow: hidden;
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    transition: left 0.4s ease;
    z-index: -1;
}

.btn-secondary:hover::before {
    left: 0;
}

.btn-secondary:hover {
    color: #FFFFFF;
    box-shadow: var(--shadow-blue);
    border-color: transparent;
}

/* ========== SECTION HEADERS ========== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-eyebrow {
    font-size: 0.875rem;
    color: var(--color-accent-primary);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.section-title {
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    position: relative;
    display: inline-block;
}

.section-description {
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ========== BUSINESS SHOWCASE ========== */
.business-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.business-card-modern {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: var(--spacing-xl) var(--spacing-lg);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.business-card-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(19,55,80,0.08) 0%, rgba(29,79,117,0.04) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 0;
}

.business-card-modern::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(19,55,80,0.15) 0%, transparent 70%);
    opacity: 0;
    transition: all 0.6s ease;
    z-index: 0;
}

.business-card-modern:hover {
    transform: translateY(-8px);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.15),
        0 0 60px rgba(19, 55, 80, 0.2);
    border-color: rgba(19,55,80,0.5);
}

.business-card-modern:hover::before {
    opacity: 1;
}

.business-card-modern:hover::after {
    opacity: 1;
    animation: cardGlowRotate 8s linear infinite;
}

@keyframes cardGlowRotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.business-card-modern h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
    position: relative;
    z-index: 1;
    font-weight: 700;
    letter-spacing: -0.01em;
    transition: all var(--transition-normal);
}

.business-card-modern:hover h3 {
    color: var(--color-accent-primary);
    transform: translateX(4px);
}

.business-card-modern p {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin-bottom: 0;
    position: relative;
    z-index: 1;
    line-height: 1.7;
}

.business-card-modern .btn {
    margin-top: var(--spacing-md);
    position: relative;
    z-index: 1;
}

/* Business Card on White Background */
.bg-white .business-card-modern,
.bg-light .business-card-modern {
    background: #FFFFFF;
    border: 1px solid #e2e8f0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.bg-white .business-card-modern h3,
.bg-light .business-card-modern h3 {
    color: var(--color-text-dark);
}

.bg-white .business-card-modern p,
.bg-light .business-card-modern p {
    color: #4a5568;
}

.bg-white .business-card-modern:hover,
.bg-light .business-card-modern:hover {
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.1),
        0 0 60px rgba(19, 55, 80, 0.15);
    border-color: rgba(19,55,80,0.3);
}

.bg-white .business-card-modern::before,
.bg-light .business-card-modern::before {
    background: linear-gradient(135deg, rgba(19,55,80,0.03) 0%, rgba(29,79,117,0.02) 100%);
}

/* Business Card on UNSOLID Background */
.bg-unsolid .business-card-modern {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.bg-unsolid .business-card-modern h3 {
    color: #FFFFFF;
}

.bg-unsolid .business-card-modern p {
    color: #e2e8f0;
}

.bg-unsolid .business-card-modern:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-8px);
}

/* ========== FEATURE SECTION ========== */
.feature-section {
    background: var(--color-bg-secondary);
}

.feature-large {
    position: relative;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(19,55,80,0.02) 0%, rgba(29,79,117,0.02) 100%);
    border: 1px solid var(--color-border);
    border-radius: 24px;
    transition: all var(--transition-normal);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
}

.feature-large::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0%;
    background: linear-gradient(180deg, var(--color-accent-primary), var(--color-accent-secondary));
    transition: height var(--transition-normal);
}

.feature-large:hover::before {
    height: 100%;
}

.feature-large:hover {
    background: linear-gradient(135deg, rgba(255,107,0,0.08) 0%, rgba(255,140,66,0.05) 100%);
    border-color: var(--color-accent-primary);
    box-shadow: 0 12px 48px rgba(255,107,0,0.2), 0 0 40px rgba(255,107,0,0.1);
    transform: translateY(-8px);
}

.feature-content {
    position: relative;
    z-index: 1;
}

.feature-content h2 {
    margin-bottom: var(--spacing-md);
}

.feature-content h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: 1rem;
    color: var(--color-text-primary);
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-accent-primary) 0%, var(--color-accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all var(--transition-normal);
}

.feature-large:hover .feature-content h3 {
    transform: translateX(8px);
}

.feature-content p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
    color: var(--color-text-secondary);
    font-size: 1.1rem;
}

.feature-image {
    display: none;
}

/* ========== STATS SECTION ========== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.stat-item {
    position: relative;
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    transition: all var(--transition-normal);
}

.stat-item:hover {
    background: var(--gradient-subtle);
    border-color: rgba(255,107,0,0.5);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.stat-number {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.75rem;
    line-height: 1;
}

.stat-label {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

/* ========== ACHIEVEMENTS SECTION ========== */
.achievements-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
}

.achievement-item {
    position: relative;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    transition: all var(--transition-normal);
}

.achievement-item:hover {
    background: var(--gradient-subtle);
    border-color: rgba(255,107,0,0.5);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    transform: translateX(8px);
}

.achievement-item h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--color-text-primary);
    font-weight: 700;
}

.achievement-item p {
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-size: 1rem;
}

/* ========== CONTACT FORMS ========== */
.form-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 24px;
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

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

.form-group label {
    font-weight: 600;
    color: var(--color-text-primary);
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.9rem 1rem;
    border-radius: 16px;
    border: 1.5px solid var(--color-border);
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    font-size: 1rem;
    transition: all var(--transition-normal);
    font-family: var(--font-primary);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 4px rgba(19, 55, 80, 0.15), 0 0 20px rgba(19, 55, 80, 0.2);
    transform: translateY(-2px);
}

.form-group textarea {
    resize: vertical;
    min-height: 180px;
}

.form-note {
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
    margin-top: -0.5rem;
}

.contact-form button {
    align-self: flex-start;
}

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.35rem 0.9rem;
    border-radius: 999px;
    font-size: 0.8125rem;
    font-weight: 600;
    background: rgba(19, 55, 80, 0.15);
    color: var(--color-accent-primary);
    border: 1px solid var(--color-accent-primary);
}

/* ========== FOOTER ========== */
footer {
    background-color: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.footer-content {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.footer-sections {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
    font-size: 0.875rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent-primary);
    font-weight: 600;
}

.footer-section a {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: var(--color-accent-primary);
}

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-md);
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
}

/* ========== ANIMATIONS ========== */
.fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Stagger animation delays for grid items */
.business-grid .fade-in:nth-child(1) { transition-delay: 0.1s; }
.business-grid .fade-in:nth-child(2) { transition-delay: 0.2s; }
.business-grid .fade-in:nth-child(3) { transition-delay: 0.3s; }
.business-grid .fade-in:nth-child(4) { transition-delay: 0.4s; }

/* ========== RESPONSIVE DESIGN ========== */
@media (max-width: 1024px) {
    :root {
        --spacing-3xl: 8rem;
    }
    
    .feature-large {
        grid-template-columns: 1fr;
    }
    
    .feature-large:nth-child(even) {
        direction: ltr;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 4rem;
        --spacing-2xl: 6rem;
        --spacing-3xl: 6rem;
    }
    
    section {
        padding: var(--spacing-2xl) 0;
    }
    
    .form-card {
        padding: var(--spacing-lg);
    }
    
    .hero {
        min-height: 90vh;
    }
    
    .hero-dynamic {
        min-height: 90vh;
        padding-top: 100px;
    }
    
    .hero-title {
        font-size: clamp(2rem, 10vw, 3.5rem);
    }
    
    .hero-description {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-large {
        width: 100%;
        justify-content: center;
    }
    
    .scroll-indicator {
        bottom: 2rem;
    }
    
    .hamburger {
        display: flex;
    }
    
    .main-nav {
        display: none;
    }
    
    .nav-wrapper > .language-switcher {
        display: none;
    }
    
    .business-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .mobile-nav {
        width: 100%;
        max-width: 100%;
    }
    
    .footer-sections {
        grid-template-columns: 1fr;
    }
}

/* ========== UTILITY CLASSES ========== */
.text-center {
    text-align: center;
}

.mt-lg {
    margin-top: var(--spacing-lg);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

.py-xl {
    padding-top: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
}
in-bottom: var(--spacing-lg);
}

.py-xl {
    padding-top: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
}
ng-bottom: var(--spacing-xl);
}