/* ==========================================
   Heidemann Consulting - Modern CSS
   AI-Powered Web Engineering
   ========================================== */

/* === CSS Variables === */
:root {
    /* Colors */
    --color-primary: #15803D;          /* darker emerald */
    --color-primary-dark: #052E16;     /* deep forest floor */
    --color-primary-light: #22C55E;    /* controlled highlight */
    --color-secondary: #064E3B;        /* pine green */
    --color-accent: #65A30D;           /* moss accent */
    --color-dark: #020617;
    --color-dark-lighter: #0B1220;
    --color-light: #E5E7EB;
    --color-white: #FFFFFF;

    /* Neutral grays (cool, tech-oriented) */
    --color-gray-50: #F8FAFC;
    --color-gray-100: #E5E7EB;
    --color-gray-200: #CBD5E1;
    --color-gray-300: #94A3B8;
    --color-gray-400: #64748B;
    --color-gray-500: #475569;
    --color-gray-600: #334155;
    --color-gray-700: #1E293B;
    --color-gray-800: #0F172A;
    --color-gray-900: #020617;

    /* Gradients */
    --gradient-primary: linear-gradient(
        135deg,
        #02140B 0%,
        #064E3B 45%,
        #15803D 70%,
        #22C55E 100%
    );

    --gradient-secondary: linear-gradient(
        135deg,
        #020617 0%,
        #052E16 40%,
        #064E3B 100%
    );

    --gradient-accent: linear-gradient(
        135deg,
        #1A2E05 0%,
        #365314 50%,
        #84CC16 100%
    );

    --gradient-dark: linear-gradient(
        135deg,
        #020617 0%,
        #031712 50%,
        #052E16 100%
    );

    --gradient-text: linear-gradient(
        135deg,
        #064E3B 0%,
        #15803D 2%,
        #48B36F 50%,
        #15803D 98%,
        #064E3B 100%
    );


    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Space Grotesk', var(--font-primary);

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

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5),
                 0 2px 4px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 20px -3px rgba(0, 0, 0, 0.6),
                 0 6px 8px -4px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 30px -10px rgba(0, 0, 0, 0.7);
    --shadow-2xl: 0 30px 60px -15px rgba(0, 0, 0, 0.8);

    --shadow-glow: 0 0 40px rgba(34, 197, 94, 0.25);

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;

    /* Layout */
    --container-max-width: 1280px;
    --header-height: 80px;
}

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

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

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-gray-700);
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

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

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

address {
    font-style: normal;
}

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

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

.section-dark {
    background: var(--gradient-dark);
    color: var(--color-white);
}

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

/* === Preloader === */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

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

.loader {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(59, 130, 246, 0.2);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-md);
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.preloader-text {
    color: var(--color-gray-400);
    font-size: 0.875rem;
    letter-spacing: 0.05em;
}

/* === Navigation === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: var(--transition-base);
}

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

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-dark);
    transition: var(--transition-fast);
}

.logo:hover {
    opacity: 0.8;
}

.logo-icon {
    width: 32px;
    height: 32px;
    color: var(--color-primary);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 30px;
    height: 24px;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--color-dark);
    border-radius: 3px;
    transition: var(--transition-base);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

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

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

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-gray-700);
    position: relative;
    padding: var(--spacing-xs) 0;
    transition: var(--transition-fast);
}

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

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

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

.nav-cta {
    margin-left: var(--spacing-md);
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(-100%);
    transition: transform var(--transition-base);
}

.btn:hover::before {
    transform: translateX(0);
}

.btn-primary {
    background: var(--gradient-text);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--color-gray-700);
    border: 2px solid var(--color-gray-300);
}

.btn-secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(59, 130, 246, 0.05);
}

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

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

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

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    animation: float 20s infinite ease-in-out;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, #3B82F6, transparent);
    top: -200px;
    left: -200px;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #8B5CF6, transparent);
    bottom: -150px;
    right: -150px;
    animation-delay: -5s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #EC4899, transparent);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(59, 130, 246, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59, 130, 246, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
}

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

.hero-content {
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.5rem 1rem;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-full);
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.1;
    color: var(--color-dark);
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.7;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
}

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

.hero-stats {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-gray-200);
}

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

.stat-value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--color-gray-200);
}

.hero-visual {
    position: relative;
    z-index: 1;
}

.visual-card {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: visible;
    box-shadow: var(--shadow-2xl);
}

.visual-image-wrapper {
    border-radius: var(--radius-2xl);
    overflow: hidden;
}

.visual-image {
    width: 100%;
    height: auto;
    object-fit: cover;
    aspect-ratio: 4/3;
}

.visual-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    inset: 0;
    pointer-events: none;
    z-index: 2;
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    animation: float-card 3s infinite ease-in-out;
}

.card-1 {
    top: 10%;
    right: -10%;
}

.card-2 {
    bottom: 15%;
    left: -10%;
    animation-delay: -1.5s;
}

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

.card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-text);
    border-radius: var(--radius-md);
    color: var(--color-white);
}

.card-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-dark);
}

.card-label {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-gray-500);
    font-size: 0.875rem;
    font-weight: 500;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, transparent, var(--color-primary));
    animation: scroll-bounce 2s infinite;
}

@keyframes scroll-bounce {
    0%, 100% { transform: translateY(0); opacity: 0; }
    50% { transform: translateY(10px); opacity: 1; }
}

/* === Trust Section === */
.trust-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-gray-50);
    border-top: 1px solid var(--color-gray-200);
    border-bottom: 1px solid var(--color-gray-200);
}

.trust-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.trust-item svg {
    flex-shrink: 0;
    color: var(--color-primary);
}

.trust-text strong {
    display: block;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0.25rem;
}

.trust-text span {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

/* === Section Headers === */
.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-3xl);
}

.section-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-full);
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.2;
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.section-dark .section-title {
    color: var(--color-white);
}

.section-subtitle {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--color-gray-600);
}

.section-dark .section-subtitle {
    color: var(--color-gray-300);
}

/* === Services Grid === */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.service-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    position: relative;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--color-primary);
}

.service-card.featured {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(139, 92, 246, 0.05));
}

.featured-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    padding: 0.375rem 0.75rem;
    background: var(--gradient-text);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.service-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-text);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
}

.service-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
}

.service-description {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

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

.service-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: 0.9375rem;
    color: var(--color-gray-700);
}

.service-features svg {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--color-secondary);
}

.service-meta {
    display: flex;
    gap: var(--spacing-sm);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-gray-200);
}

.service-meta span {
    padding: 0.375rem 0.75rem;
    background: var(--color-gray-100);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-700);
}

.section-cta {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--color-gray-50);
    border-radius: var(--radius-2xl);
}

.section-cta p {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
}

/* === About Section === */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-visual {
    position: relative;
}

.visual-wrapper {
    position: relative;
}

.about-image {
    width: 100%;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
}

.visual-accent {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 200px;
    height: 200px;
    background: var(--gradient-text);
    border-radius: var(--radius-2xl);
    z-index: -1;
    opacity: 0.2;
}

.experience-badge {
    position: absolute;
    bottom: var(--spacing-sm);
    right: var(--spacing-sm);
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-xl);
    text-align: center;
}

.badge-value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.badge-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gray-600);
    line-height: 1.3;
}

.about-text {
    margin-bottom: var(--spacing-xl);
}

.about-text p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about-text .lead {
    font-size: 1.125rem;
    color: var(--color-gray-700);
}

.expertise-pillars {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

@media (max-width: 768px) {
    .expertise-pillars {
        grid-template-columns: 1fr;
    }
}

.pillar {
    padding: var(--spacing-lg);
    background: var(--color-gray-50);
    border-radius: var(--radius-xl);
    transition: var(--transition-base);
}

.pillar:hover {
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.pillar-icon {
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.pillar h4 {
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
}

.pillar p {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    line-height: 1.6;
}

/* === Process Timeline === */
.process-timeline {
    max-width: 900px;
    margin: 0 auto;
}

.timeline-item {
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

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

.timeline-marker {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.marker-dot {
    width: 20px;
    height: 20px;
    background: var(--gradient-text);
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.2);
    position: relative;
}

.marker-line {
    flex: 1;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-primary), transparent);
    margin-top: var(--spacing-sm);
}

.timeline-item:last-child .marker-line {
    display: none;
}

.timeline-content {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--color-gray-200);
    transition: var(--transition-base);
}

.timeline-content:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.timeline-number {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-primary);
    background: rgba(59, 130, 246, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

.timeline-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.timeline-description {
    color: var(--color-gray-600);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.timeline-tags span {
    padding: 0.375rem 0.75rem;
    background: var(--color-gray-100);
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-gray-700);
}

/* === Impact Section === */
.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.impact-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    text-align: center;
    transition: var(--transition-base);
}

.impact-card:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.impact-icon {
    display: inline-flex;
    margin-bottom: var(--spacing-lg);
    color: var(--color-primary-light);
}

.impact-value {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, #60A5FA, #A78BFA);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
}

.impact-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.impact-description {
    color: var(--color-gray-300);
    line-height: 1.7;
}

.testimonial-section {
    max-width: 800px;
    margin: 0 auto;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    position: relative;
}

.testimonial-quote {
    margin-bottom: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.2);
}

.testimonial-text {
    font-size: 1.125rem;
    font-style: italic;
    line-height: 1.8;
    color: var(--color-gray-200);
    margin-bottom: var(--spacing-lg);
}

.testimonial-author strong {
    display: block;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 0.25rem;
}

.testimonial-author span {
    font-size: 0.9375rem;
    color: var(--color-gray-400);
}

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

.contact-methods {
    margin-bottom: var(--spacing-xl);
}

.contact-method {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--color-gray-50);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-md);
    transition: var(--transition-base);
}

.contact-method:hover {
    background: var(--color-white);
    box-shadow: var(--shadow-md);
}

.method-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-md);
}

.method-content h4 {
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 0.25rem;
}

.method-content a {
    color: var(--color-primary);
    font-weight: 600;
    display: block;
    margin-bottom: 0.25rem;
}

.method-content a:hover {
    text-decoration: underline;
}

.method-content p {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.contact-availability {
    padding: var(--spacing-lg);
    background: rgba(59, 130, 246, 0.05);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-xl);
}

.availability-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.5rem 1rem;
    background: var(--color-white);
    border-radius: var(--radius-full);
    font-weight: 600;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--color-secondary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* === Contact Form === */
.contact-form-wrapper {
    position: relative;
}

.contact-form {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
}

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

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

label {
    display: block;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0.5rem;
}

input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: var(--transition-base);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.checkbox-group {
    margin-top: var(--spacing-xl);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-weight: 400;
}

.checkbox-label input[type="checkbox"] {
    position: absolute;
    opacity: 0;
}

.checkbox-custom {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
    position: relative;
    transition: var(--transition-base);
}

.checkbox-label input:checked + .checkbox-custom {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox-label input:checked + .checkbox-custom::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 6px;
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-text a {
    color: var(--color-primary);
    text-decoration: underline;
}

.form-note {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-top: var(--spacing-md);
}

.form-success {
    display: none;
    text-align: center;
    padding: var(--spacing-3xl);
}

.form-success.active {
    display: block;
}

.success-icon {
    color: var(--color-secondary);
    margin-bottom: var(--spacing-lg);
}

.form-success h3 {
    font-size: 1.5rem;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.form-success p {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-lg);
}

/* === Footer === */
.footer {
    background: var(--color-dark);
    color: var(--color-gray-300);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: var(--spacing-3xl);
    padding-bottom: var(--spacing-3xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: var(--spacing-lg);
}

.footer-brand {
    max-width: 400px;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.footer-logo .logo-icon {
    color: var(--color-primary);
}

.footer-logo .logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-white);
}

.footer-tagline {
    line-height: 1.7;
    color: var(--color-gray-400);
}

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

.footer-column h4 {
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.footer-column ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-column a {
    color: var(--color-gray-400);
    transition: var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    font-size: 0.875rem;
}

.footer-bottom p {
    margin-bottom: 0.25rem;
}

.footer-credit {
    color: var(--color-gray-500);
}

/* === Back to Top === */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 48px;
    height: 48px;
    background: var(--gradient-text);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 999;
}

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

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-2xl), var(--shadow-glow);
}

/* === Responsive Design === */
@media (max-width: 1024px) {
    :root {
        --spacing-3xl: 4rem;
    }

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

    .hero-visual {
        order: -1;
        max-width: 500px;
        margin: 0 auto;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .about-visual {
        max-width: 500px;
        margin: 0 auto;
    }

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

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

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        background: var(--color-white);
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-lg);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-20px);
        transition: all var(--transition-base);
    }

    .nav-menu.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .nav-link {
        padding: var(--spacing-sm) 0;
        text-align: center;
    }

    .nav-cta {
        margin-left: 0;
        margin-top: var(--spacing-sm);
    }

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

    .hero-stats {
        flex-wrap: wrap;
        justify-content: center;
    }

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

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

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

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

    .floating-card {
        display: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }

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

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