/* ===================================
   CSS Variables & Theme
   =================================== */
:root {
    /* Colors */
    --color-primary: #2d5a4d;
    --color-primary-light: #3d7a63;
    --color-primary-dark: #1d3a2d;
    --color-secondary: #8bc34a;
    --color-accent: #66bb6a;
    --color-dark: #1a2f28;
    --color-light: #f5f3ed;
    --color-white: #ffffff;
    --color-beige: #e8dcc4;
    --color-text: #2d3748;
    --color-text-light: #718096;
    --color-text-dark: #1a202c;
    --color-border: #e2e8f0;
    --color-success: #48bb78;
    --color-warning: #ed8936;
    --color-error: #f56565;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    --gradient-accent: linear-gradient(135deg, var(--color-accent) 0%, var(--color-secondary) 100%);
    --gradient-dark: linear-gradient(135deg, var(--color-dark) 0%, var(--color-primary-dark) 100%);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Poppins', var(--font-primary);
    
    /* Font Sizes */
    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-base: 1rem;
    --fs-lg: 1.125rem;
    --fs-xl: 1.25rem;
    --fs-2xl: 1.5rem;
    --fs-3xl: 1.875rem;
    --fs-4xl: 2.25rem;
    --fs-5xl: 3rem;
    --fs-6xl: 3.75rem;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    font-size: var(--fs-base);
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-white);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--fs-5xl); }
h2 { font-size: var(--fs-4xl); }
h3 { font-size: var(--fs-3xl); }
h4 { font-size: var(--fs-2xl); }
h5 { font-size: var(--fs-xl); }
h6 { font-size: var(--fs-lg); }

p {
    margin-bottom: var(--spacing-md);
}

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

a:hover {
    color: var(--color-primary-light);
}

ul {
    list-style: none;
}

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

/* ===================================
   Utility Classes
   =================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

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

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

.bg-light {
    background-color: var(--color-light);
}

.bg-dark {
    background-color: var(--color-dark);
}

.bg-accent {
    background: var(--gradient-accent);
}

.light-text {
    color: var(--color-white);
}

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

/* Section Headers */
.section-header {
    margin-bottom: var(--spacing-2xl);
}

.section-label {
    display: inline-block;
    font-size: var(--fs-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: var(--fs-4xl);
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: var(--fs-lg);
    color: var(--color-text-light);
    max-width: 700px;
    margin: 0 auto;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--fs-base);
    font-weight: 600;
    text-align: center;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: var(--color-primary-dark);
    color: var(--color-white);
}

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

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

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

.btn-dark:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--fs-lg);
}

.btn-full {
    width: 100%;
}

/* ===================================
   Navigation
   =================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
}

.nav.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-lg);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--color-primary);
}

.logo-icon {
    width: 40px;
    height: 40px;
    color: var(--color-primary);
}

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

.nav-link {
    font-weight: 500;
    color: var(--color-text);
    transition: color var(--transition-base);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-base);
}

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--color-primary);
    transition: all var(--transition-base);
}

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

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0.05;
    z-index: -1;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
    opacity: 0.1;
    animation: float 20s ease-in-out infinite;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-content {
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.title-highlight {
    font-size: var(--fs-xl);
    color: var(--color-primary);
    font-weight: 600;
}

.title-main {
    font-size: var(--fs-5xl);
    line-height: 1.1;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--fs-lg);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    padding-top: var(--spacing-xl);
    border-top: 2px solid var(--color-border);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: var(--fs-4xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-number::after {
    content: '+';
}

.stat-label {
    font-size: var(--fs-sm);
    color: var(--color-text-light);
}

.hero-visual {
    position: relative;
    height: 500px;
    animation: fadeInRight 1s ease-out 0.3s backwards;
}

.floating-card {
    position: absolute;
    background: var(--color-white);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    animation: float 6s ease-in-out infinite;
}

.floating-card.card-1 {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.floating-card.card-2 {
    top: 45%;
    right: 15%;
    animation-delay: 2s;
}

.floating-card.card-3 {
    bottom: 15%;
    left: 20%;
    animation-delay: 4s;
}

.card-icon {
    font-size: var(--fs-2xl);
}

.card-text {
    font-weight: 600;
    color: var(--color-text-dark);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--color-primary);
    border-radius: 20px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 10px;
    background: var(--color-primary);
    border-radius: 2px;
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

/* ===================================
   Problem Section
   =================================== */
.problem-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    margin-top: var(--spacing-2xl);
}

.problem-subtitle {
    font-size: var(--fs-2xl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

.problem-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.problem-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-light);
    border-radius: var(--radius-lg);
    transition: transform var(--transition-base);
}

.problem-item:hover {
    transform: translateX(10px);
}

.problem-icon {
    font-size: var(--fs-3xl);
    flex-shrink: 0;
}

.problem-statement {
    font-size: var(--fs-xl);
    font-weight: 600;
    color: var(--color-primary);
    padding: var(--spacing-lg);
    background: var(--gradient-accent);
    border-radius: var(--radius-lg);
    text-align: center;
}

.problem-statement p {
    margin: 0;
    color: var(--color-white);
}

.problem-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.magnifying-glass {
    position: relative;
    animation: float 6s ease-in-out infinite;
}

.glass-circle {
    width: 200px;
    height: 200px;
    border: 10px solid var(--color-primary);
    border-radius: 50%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.glass-handle {
    position: absolute;
    width: 10px;
    height: 80px;
    background: var(--color-primary);
    bottom: -70px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    border-radius: 5px;
}

.eye-icon {
    width: 100px;
    height: 60px;
    border: 4px solid var(--color-primary);
    border-radius: 50%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.eye-pupil {
    width: 30px;
    height: 30px;
    background: var(--color-primary);
    border-radius: 50%;
    animation: lookAround 4s ease-in-out infinite;
}

/* ===================================
   Questions Section
   =================================== */
.questions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.question-card {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.question-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-slow);
}

.question-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
}

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

.question-number {
    font-size: var(--fs-6xl);
    font-weight: 700;
    color: var(--color-beige);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.question-icon {
    font-size: var(--fs-5xl);
    margin-bottom: var(--spacing-md);
}

.question-title {
    font-size: var(--fs-xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.question-description {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.question-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-primary);
    font-weight: 600;
    transition: gap var(--transition-base);
}

.question-link:hover {
    gap: var(--spacing-sm);
}

/* ===================================
   About Section
   =================================== */
.about-content {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-description {
    font-size: var(--fs-lg);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
}

.about-highlight {
    background: var(--color-light);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
    margin-bottom: var(--spacing-xl);
}

.about-highlight h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.about-statement {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
}

.statement-text {
    font-size: var(--fs-2xl);
    font-weight: 700;
    color: var(--color-white);
    margin: 0;
}

.community-badge {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    margin-bottom: var(--spacing-xl);
    animation: float 6s ease-in-out infinite;
}

.badge-icon {
    width: 80px;
    height: 80px;
    color: var(--color-primary);
    margin: 0 auto var(--spacing-md);
}

.badge-text {
    text-align: center;
}

.badge-text h4 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.badge-text p {
    color: var(--color-text-light);
    font-size: var(--fs-sm);
    margin: 0;
}

.community-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.community-stat {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--color-light);
    border-radius: var(--radius-lg);
}

.stat-value {
    display: block;
    font-size: var(--fs-4xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-desc {
    display: block;
    font-size: var(--fs-sm);
    color: var(--color-text-light);
}

/* ===================================
   Case Studies Section
   =================================== */
.case-study {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.case-study-header {
    margin-bottom: var(--spacing-xl);
}

.case-number {
    display: inline-block;
    font-size: var(--fs-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.case-title {
    color: var(--color-white);
    font-size: var(--fs-3xl);
}

.case-study-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.case-problem h4,
.case-solution h4 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.case-problem p,
.case-solution p,
.case-solution ul {
    color: rgba(255, 255, 255, 0.9);
}

.case-solution ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.case-solution li {
    padding-left: var(--spacing-md);
    position: relative;
}

.case-solution li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

.case-results {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.result-card {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 2px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-base);
}

.result-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-5px);
}

.result-icon {
    font-size: var(--fs-4xl);
    margin-bottom: var(--spacing-md);
}

.result-value {
    display: block;
    font-size: var(--fs-5xl);
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.result-label {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--fs-lg);
}

.case-statement {
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.05);
    border-left: 4px solid var(--color-accent);
    border-radius: var(--radius-md);
}

.case-statement blockquote {
    font-size: var(--fs-xl);
    font-style: italic;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
    margin: 0;
}

/* ===================================
   Workflow Section
   =================================== */
.workflow-phases {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

.workflow-phase {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.phase-header {
    background: var(--gradient-primary);
    padding: var(--spacing-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.phase-number {
    font-size: var(--fs-5xl);
    font-weight: 700;
    color: rgba(255, 255, 255, 0.3);
    line-height: 1;
}

.phase-title {
    font-size: var(--fs-3xl);
    color: var(--color-white);
    margin: 0;
}

.phase-content {
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.phase-item {
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
    padding: var(--spacing-lg);
    background: var(--color-light);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.phase-item:hover {
    transform: translateX(10px);
    background: var(--color-beige);
}

.phase-icon {
    font-size: var(--fs-4xl);
    flex-shrink: 0;
}

.phase-text h4 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.phase-text p {
    color: var(--color-text-light);
    margin: 0;
}

/* ===================================
   Guarantee Section
   =================================== */
.guarantee-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.guarantee-badge {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.badge-star {
    font-size: var(--fs-6xl);
}

.guarantee-title {
    font-size: var(--fs-5xl);
    color: var(--color-white);
    margin-bottom: var(--spacing-xl);
}

.guarantee-promise {
    margin-bottom: var(--spacing-xl);
}

.guarantee-text {
    font-size: var(--fs-3xl);
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.guarantee-subtext {
    font-size: var(--fs-xl);
    color: rgba(255, 255, 255, 0.9);
}

/* ===================================
   Contact Section
   =================================== */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-3xl);
}

.contact-description {
    font-size: var(--fs-lg);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-light);
    border-radius: var(--radius-lg);
}

.contact-icon {
    font-size: var(--fs-3xl);
}

.contact-item h4 {
    font-size: var(--fs-base);
    margin-bottom: var(--spacing-xs);
}

.contact-item a {
    color: var(--color-primary);
    font-weight: 600;
}

.contact-benefits {
    background: var(--gradient-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
}

.contact-benefits h3 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.contact-benefits ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.contact-benefits li {
    color: var(--color-white);
    font-size: var(--fs-lg);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

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

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

.form-group label {
    font-weight: 600;
    color: var(--color-text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: var(--fs-base);
    transition: border-color var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-note {
    font-size: var(--fs-sm);
    color: var(--color-text-light);
    text-align: center;
    margin-top: var(--spacing-md);
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--color-dark);
    color: var(--color-white);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--fs-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-logo .logo-icon {
    width: 50px;
    height: 50px;
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-xs);
}

.footer-subsidiary {
    font-size: var(--fs-sm);
    color: rgba(255, 255, 255, 0.6);
}

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

.footer-column h4 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-column a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-base);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

.footer-legal {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--fs-sm);
}

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

/* ===================================
   Back to Top Button
   =================================== */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: var(--z-sticky);
    box-shadow: var(--shadow-xl);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
}

/* ===================================
   Animations
   =================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes lookAround {
    0%, 100% {
        transform: translateX(0);
    }
    25% {
        transform: translateX(-10px);
    }
    75% {
        transform: translateX(10px);
    }
}

/* Reveal Animations */
.reveal-left,
.reveal-right,
.reveal-up {
    opacity: 0;
}

.reveal-left.active {
    animation: slideInLeft 0.8s ease-out forwards;
}

.reveal-right.active {
    animation: slideInRight 0.8s ease-out forwards;
}

.reveal-up.active {
    animation: slideInUp 0.8s ease-out forwards;
    animation-delay: var(--delay, 0s);
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 1s ease-out;
}

.fade-in-right {
    animation: fadeInRight 1s ease-out 0.3s backwards;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
    :root {
        --fs-5xl: 2.5rem;
        --fs-4xl: 2rem;
        --fs-3xl: 1.5rem;
    }

    .hero-container,
    .problem-content,
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .hero-visual {
        height: 300px;
    }

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

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

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

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

@media (max-width: 768px) {
    :root {
        --spacing-3xl: 4rem;
        --spacing-2xl: 3rem;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-xl);
        box-shadow: var(--shadow-lg);
        transform: translateX(-100%);
        transition: transform var(--transition-base);
    }

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

    .nav-toggle {
        display: flex;
    }

    .hero-cta {
        flex-direction: column;
    }

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

    .result-card {
        grid-column: span 2;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --fs-5xl: 2rem;
        --fs-4xl: 1.75rem;
        --fs-3xl: 1.25rem;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    .section-padding {
        padding: var(--spacing-2xl) 0;
    }

    .hero {
        min-height: auto;
        padding: var(--spacing-3xl) 0;
    }

    .title-main {
        font-size: var(--fs-4xl);
    }

    .btn-large {
        padding: var(--spacing-md);
        font-size: var(--fs-base);
    }

    .floating-card {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--fs-sm);
    }

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

/* Print Styles */
@media print {
    .nav,
    .scroll-indicator,
    .back-to-top {
        display: none;
    }

    body {
        color: #000;
        background: #fff;
    }

    .section-padding {
        padding: 2rem 0;
    }
}