/* ===========================
   CSS Variables & Reset
   =========================== */

:root {
    /* Color Palette - Muted Earth Tones */
    --color-sage: #8B9D83;
    --color-sage-dark: #6d7a67;
    --color-sage-light: #a8b8a0;
    --color-gray: #6B6B6B;
    --color-gray-light: #9B9B9B;
    --color-terracotta: #A67C6D;
    --color-terracotta-dark: #8c6659;
    --color-cream: #FAF8F5;
    --color-cream-dark: #F0EDE8;
    --color-charcoal: #2C2C2C;
    --color-white: #FFFFFF;

    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-xxl: 8rem;

    /* Layout */
    --container-max-width: 1200px;
    --border-radius: 4px;

    /* Transitions */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-primary);
    line-height: var(--line-height-base);
    color: var(--color-charcoal);
    background-color: var(--color-cream);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===========================
   Typography
   =========================== */

h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 600;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 600;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

p {
    margin-bottom: 1rem;
}

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

/* ===========================
   Utility Classes
   =========================== */

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* ===========================
   Navigation
   =========================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(250, 248, 245, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    transition: var(--transition-smooth);
    border-bottom: 1px solid transparent;
}

.nav.scrolled {
    background: rgba(250, 248, 245, 0.98);
    border-bottom: 1px solid rgba(139, 157, 131, 0.1);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

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

.logo-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-charcoal);
    letter-spacing: -0.01em;
}

.logo-image {
    height: 60px;
    width: auto;
    display: block;
    transition: var(--transition-smooth);
}

.logo-image:hover {
    opacity: 0.8;
}

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

.nav-link {
    color: var(--color-gray);
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-sage);
    transition: width 0.3s ease;
}

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

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

/* ===========================
   Buttons
   =========================== */

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-smooth);
    border: 2px solid transparent;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--color-sage-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(139, 157, 131, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--color-charcoal);
    border: 2px solid var(--color-sage);
}

.btn-secondary:hover {
    background: var(--color-sage);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(139, 157, 131, 0.3);
}

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

.btn-outline:hover {
    background: var(--color-sage);
    color: var(--color-white);
}

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.9rem;
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn:disabled:hover {
    transform: none !important;
    box-shadow: none;
}

/* ===========================
   Hero Section
   =========================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-cream-dark) 100%);
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.15;
    z-index: 1;
}

.europe-map {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.network-lines .connection-line {
    stroke: var(--color-sage);
    stroke-width: 1;
    opacity: 0;
    animation: lineAppear 2s ease-in-out forwards;
}

.network-lines .connection-line:nth-child(1) { animation-delay: 0.5s; }
.network-lines .connection-line:nth-child(2) { animation-delay: 0.7s; }
.network-lines .connection-line:nth-child(3) { animation-delay: 0.9s; }
.network-lines .connection-line:nth-child(4) { animation-delay: 1.1s; }
.network-lines .connection-line:nth-child(5) { animation-delay: 1.3s; }
.network-lines .connection-line:nth-child(6) { animation-delay: 1.5s; }
.network-lines .connection-line:nth-child(7) { animation-delay: 1.7s; }
.network-lines .connection-line:nth-child(8) { animation-delay: 1.9s; }
.network-lines .connection-line:nth-child(9) { animation-delay: 2.1s; }

@keyframes lineAppear {
    to {
        opacity: 0.6;
    }
}

.network-nodes .node {
    fill: var(--color-sage);
    opacity: 0;
    animation: nodeAppear 0.5s ease-out forwards;
}

.network-nodes .node:nth-child(1) { animation-delay: 0.5s; }
.network-nodes .node:nth-child(2) { animation-delay: 0.7s; }
.network-nodes .node:nth-child(3) { animation-delay: 0.9s; }
.network-nodes .node:nth-child(4) { animation-delay: 1.1s; }
.network-nodes .node:nth-child(5) { animation-delay: 1.3s; }
.network-nodes .node:nth-child(6) { animation-delay: 1.5s; }
.network-nodes .node:nth-child(7) { animation-delay: 1.7s; }
.network-nodes .node:nth-child(8) { animation-delay: 1.9s; }

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

.pulse-rings .pulse-ring {
    fill: none;
    stroke: var(--color-sage);
    stroke-width: 2;
    opacity: 0;
    animation: pulse 3s ease-out infinite;
}

.pulse-rings .pulse-ring:nth-child(1) { animation-delay: 0s; }
.pulse-rings .pulse-ring:nth-child(2) { animation-delay: 1s; }
.pulse-rings .pulse-ring:nth-child(3) { animation-delay: 2s; }

@keyframes pulse {
    0% {
        r: 6;
        opacity: 0.8;
    }
    100% {
        r: 30;
        opacity: 0;
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
}

.hero-title {
    color: var(--color-charcoal);
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    color: var(--color-gray);
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.hero-ctas {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-line {
    width: 2px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-sage), transparent);
    animation: scrollAnimation 2s ease-in-out infinite;
}

@keyframes scrollAnimation {
    0%, 100% {
        transform: translateY(0);
        opacity: 0;
    }
    50% {
        transform: translateY(20px);
        opacity: 1;
    }
}

/* ===========================
   Value Proposition Section
   =========================== */

.value-proposition {
    padding: var(--spacing-xxl) 0;
    background: var(--color-white);
}

.section-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
}

.section-title {
    color: var(--color-charcoal);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--color-gray);
    line-height: 1.6;
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.value-card {
    padding: var(--spacing-lg);
    background: var(--color-cream);
    border-radius: var(--border-radius);
    transition: var(--transition-smooth);
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.value-icon {
    color: var(--color-sage);
    margin-bottom: var(--spacing-md);
}

.value-title {
    color: var(--color-charcoal);
    margin-bottom: var(--spacing-sm);
}

.value-description {
    color: var(--color-gray);
    line-height: 1.7;
    margin: 0;
}

/* ===========================
   Asset Types Section
   =========================== */

.asset-types {
    padding: var(--spacing-xxl) 0;
    background: var(--color-cream);
}

.asset-types-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.section-text {
    font-size: 1.1rem;
    color: var(--color-gray);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.asset-highlights {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--color-white);
    border-radius: var(--border-radius);
    border-left: 3px solid var(--color-sage);
    transition: var(--transition-smooth);
}

.highlight-item:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.highlight-icon {
    color: var(--color-sage);
    flex-shrink: 0;
}

.highlight-text {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-charcoal);
}

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

.data-viz {
    width: 100%;
    max-width: 400px;
    height: auto;
}

.viz-bar {
    fill: var(--color-sage);
    transform-origin: bottom;
    transform: scaleY(0);
}

.viz-bar.animate {
    animation: barGrow 1s ease-out forwards;
}

@keyframes barGrow {
    to {
        transform: scaleY(1);
    }
}

.viz-dot {
    fill: var(--color-terracotta);
    opacity: 0;
}

.viz-dot.animate {
    animation: dotAppear 0.5s ease-out forwards;
}

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

.viz-line {
    fill: none;
    stroke: var(--color-terracotta);
    stroke-width: 2;
}

.viz-line.animate {
    animation: lineDraw 2s ease-out forwards;
}

@keyframes lineDraw {
    to {
        stroke-dashoffset: 0;
    }
}

/* ===========================
   How We Work Section
   =========================== */

.how-we-work {
    padding: var(--spacing-xxl) 0;
    background: var(--color-white);
}

.process-flow {
    max-width: 900px;
    margin: 0 auto;
}

.process-step {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    margin-bottom: var(--spacing-sm);
}

.step-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: var(--color-sage);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 600;
}

.step-content {
    flex: 1;
    padding-top: 0.5rem;
}

.step-title {
    color: var(--color-charcoal);
    margin-bottom: var(--spacing-xs);
}

.step-description {
    color: var(--color-gray);
    line-height: 1.7;
    margin: 0;
}

.process-connector {
    width: 2px;
    height: 40px;
    background: var(--color-sage);
    margin-left: 29px;
    opacity: 0.3;
}

/* ===========================
   Trust Section
   =========================== */

.trust-section {
    padding: var(--spacing-xxl) 0;
    background: var(--color-cream);
}

.trust-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

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

.trust-badge {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
    padding: var(--spacing-md);
    background: var(--color-white);
    border-radius: var(--border-radius);
    border-left: 3px solid var(--color-sage);
}

.trust-badge-icon {
    color: var(--color-sage);
    flex-shrink: 0;
}

.trust-badge-text {
    color: var(--color-gray);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* ===========================
   Contact Section
   =========================== */

.contact-section {
    padding: var(--spacing-xxl) 0;
    background: var(--color-white);
}

.contact-wrapper {
    max-width: 1000px;
    margin: 0 auto;
}

.contact-intro {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
}

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

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

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

.form-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-charcoal);
    margin-bottom: var(--spacing-xs);
}

.form-input,
.form-select,
.form-textarea {
    padding: 0.875rem 1rem;
    border: 2px solid var(--color-cream-dark);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: var(--font-primary);
    color: var(--color-charcoal);
    background: var(--color-cream);
    transition: var(--transition-smooth);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-sage);
    background: var(--color-white);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group-full .btn {
    width: 100%;
    margin-top: var(--spacing-sm);
}

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

.contact-detail {
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-cream-dark);
}

.contact-detail-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-light);
    margin-bottom: var(--spacing-xs);
}

.contact-detail-value {
    font-size: 1.1rem;
    color: var(--color-charcoal);
    font-weight: 500;
}

.contact-callout {
    background: var(--color-cream);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border-left: 3px solid var(--color-terracotta);
    margin-top: var(--spacing-md);
}

.callout-title {
    color: var(--color-charcoal);
    margin-bottom: var(--spacing-xs);
    font-size: 1.1rem;
}

.callout-text {
    color: var(--color-gray);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

/* ===========================
   Footer
   =========================== */

.footer {
    background: var(--color-charcoal);
    color: var(--color-cream);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(250, 248, 245, 0.1);
}

.footer-brand .logo-text {
    color: var(--color-cream);
    margin-bottom: var(--spacing-xs);
    display: block;
}

.footer-logo {
    height: 50px;
    width: auto;
    margin-bottom: var(--spacing-xs);
    display: block;
    filter: brightness(0) invert(1);
}

.footer-tagline {
    color: var(--color-gray-light);
    font-size: 0.95rem;
    max-width: 400px;
    margin: 0;
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-link {
    color: var(--color-gray-light);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.footer-link:hover {
    color: var(--color-sage-light);
}

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

.footer-copyright {
    color: var(--color-gray-light);
    font-size: 0.85rem;
    margin: 0;
}

/* ===========================
   Responsive Design
   =========================== */

@media (max-width: 1024px) {
    .asset-types-content,
    .trust-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .asset-types-visual {
        order: -1;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
        --spacing-xxl: 5rem;
    }

    .nav-links {
        gap: var(--spacing-sm);
    }

    .nav-link {
        display: none;
    }

    .logo-image {
        height: 48px;
    }

    .hero {
        min-height: 90vh;
    }

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

    .hero-ctas .btn {
        width: 100%;
    }

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

    .asset-highlights {
        gap: var(--spacing-sm);
    }

    .process-step {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .process-connector {
        margin-left: 0;
        width: 40px;
        height: 2px;
        margin-top: var(--spacing-sm);
        margin-bottom: var(--spacing-sm);
    }

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

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

    .footer-content {
        flex-direction: column;
    }

    .footer-links {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-base: 15px;
        --spacing-md: 1.5rem;
    }

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

    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.95rem;
    }

    .step-number {
        width: 50px;
        height: 50px;
        font-size: 1rem;
    }
}

/* ===========================
   Accessibility
   =========================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Focus styles for keyboard navigation */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--color-sage);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .hero-background {
        opacity: 0.3;
    }

    .btn {
        border-width: 3px;
    }
}