/* CSS Variables & Design System Tokens */
:root {
    --bg-main: #0a0a0a;
    --bg-surface: #141414;
    --bg-surface-elevated: #1e1e1e;
    
    --color-primary: #ff6a00; /* Vibrant Orange */
    --color-primary-hover: #ff8533;
    --color-primary-alpha: rgba(255, 106, 0, 0.15);
    --color-primary-alpha-strong: rgba(255, 106, 0, 0.4);
    
    --color-white: #ffffff;
    --color-muted: #a5a5a5;
    --color-dark-muted: #555555;
    --color-border: #262626;
    
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.7);
    --shadow-orange: 0 10px 30px rgba(255, 106, 0, 0.2);
    
    --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
    background-color: var(--bg-main);
    color: var(--color-white);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
}

body {
    overflow-x: hidden;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-white);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

h3 {
    font-size: clamp(1.3rem, 2.5vw, 1.8rem);
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

p {
    color: var(--color-muted);
    font-weight: 400;
    font-size: 1.05rem;
    margin-bottom: 20px;
}

.text-orange {
    color: var(--color-primary);
}

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

/* Utility Elements */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 24px;
    color: var(--color-white);
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-primary);
    box-shadow: 0 0 10px var(--color-primary);
    display: inline-block;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-smooth);
    text-decoration: none;
    font-family: var(--font-body);
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--bg-main);
    border: 1px solid var(--color-primary);
}

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

.btn-secondary {
    background-color: transparent;
    color: var(--color-white);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--color-muted);
    transform: translateY(-2px);
}

.btn-block {
    display: flex;
    width: 100%;
}

/* Navigation Header */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background-color: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition-smooth);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-white);
    text-decoration: none;
    letter-spacing: -0.02em;
}

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

.nav-menu ul {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
}

.nav-link {
    color: var(--color-muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    gap: 4px;
}

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

/* Services Dropdown */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(15px);
    background-color: var(--bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 12px 0;
    min-width: 240px;
    display: flex; /* Always flex but hidden by opacity/visibility */
    flex-direction: column;
    box-shadow: var(--shadow-md);
    z-index: 10;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

.dropdown-menu li {
    width: 100%;
    padding: 0;
}

.dropdown-item {
    display: block;
    padding: 10px 20px;
    color: var(--color-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-smooth);
    text-align: left;
}

.dropdown-item:hover {
    color: var(--color-primary);
    background-color: rgba(255, 255, 255, 0.02);
}

/* Show dropdown when active (for JS) */
.dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(5px);
}

@media (max-width: 768px) {
    .dropdown-menu {
        position: static;
        transform: none;
        width: 100%;
        margin-top: 8px;
        background-color: rgba(255, 255, 255, 0.02);
        border: 1px solid var(--color-border);
        box-shadow: none;
        padding: 8px 0;
        opacity: 0;
        visibility: hidden;
        display: none; /* Mobile can use display:none/block for accordion toggles */
    }
    
    .dropdown.open .dropdown-menu {
        display: flex;
        opacity: 1;
        visibility: visible;
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(5px);
    }
}

.nav-cta {
    display: inline-block;
    background-color: var(--color-white);
    color: var(--bg-main);
    padding: 10px 20px;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition-smooth);
    border: 1px solid var(--color-white);
}

.nav-cta:hover {
    background-color: transparent;
    color: var(--color-white);
    border-color: var(--color-border);
}

.nav-cta-mobile {
    display: none;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
}

.mobile-toggle .bar {
    width: 24px;
    height: 2px;
    background-color: var(--color-white);
    transition: var(--transition-smooth);
}

/* Hero Section */
.hero-section {
    position: relative;
    padding: 180px 0 100px 0;
    overflow: hidden;
}

.hero-bg-decoration {
    position: absolute;
    top: -10%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 106, 0, 0.08) 0%, rgba(10, 10, 10, 0) 70%);
    z-index: -1;
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 64px;
    align-items: center;
}

.hero-lead {
    font-size: 1.2rem;
    margin-bottom: 36px;
    line-height: 1.5;
}

.hero-actions-group {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.hero-social-proof p {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-dark-muted);
    margin-bottom: 12px;
    font-weight: 600;
}

.proof-logos {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    color: var(--color-muted);
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.95rem;
}

/* Dashboard Mockup Visual */
.dashboard-mockup {
    background-color: var(--bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.mockup-header {
    background-color: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--color-border);
    padding: 14px 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.mockup-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.mockup-dot.red { background-color: #ff5f56; }
.mockup-dot.yellow { background-color: #ffbd2e; }
.mockup-dot.green { background-color: #27c93f; }

.mockup-title {
    margin-left: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-dark-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.mockup-body {
    padding: 24px;
}

.metric-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

.metric-card {
    background-color: var(--bg-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 16px;
}

.metric-label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-muted);
    margin-bottom: 4px;
    text-transform: uppercase;
    font-weight: 600;
}

.metric-val {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
}

.chart-container {
    background-color: var(--bg-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 20px;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.chart-legend {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--color-muted);
}

.legend-color-orange {
    width: 8px;
    height: 8px;
    background-color: var(--color-primary);
    border-radius: 50%;
    display: inline-block;
}

.chart-bars {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    height: 100px;
    padding-bottom: 8px;
}

.bar-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    width: calc(100% / 6 - 8px);
}

.bar-fill {
    width: 100%;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
    transition: height 1s ease-in-out;
}

.bar-fill.active {
    background-color: var(--color-primary);
    box-shadow: 0 0 12px var(--color-primary);
}

.bar-col span {
    font-size: 0.7rem;
    color: var(--color-dark-muted);
    font-weight: 600;
}

.live-activity {
    border-top: 1px solid var(--color-border);
    padding-top: 16px;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.8rem;
    color: var(--color-muted);
}

.activity-status-dot {
    width: 6px;
    height: 6px;
    background-color: #27c93f;
    border-radius: 50%;
    animation: pulse 1.8s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.9); opacity: 0.8; }
    50% { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(0.9); opacity: 0.8; }
}

/* Services Section */
.services-section {
    padding: 100px 0;
    border-top: 1px solid var(--color-border);
    background-color: var(--bg-main);
}

.section-header {
    max-width: 600px;
    margin: 0 auto 64px auto;
}

.sub-title {
    margin-bottom: 16px;
}

.section-desc {
    font-size: 1.1rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.service-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: var(--transition-smooth);
}

.service-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-6px);
    box-shadow: var(--shadow-sm);
}

.service-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background-color: var(--color-primary-alpha);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.service-card h3 {
    margin-bottom: 16px;
}

.service-features {
    list-style: none;
    border-top: 1px solid var(--color-border);
    margin-top: 24px;
    padding-top: 20px;
}

.service-features li {
    font-size: 0.85rem;
    color: var(--color-muted);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.service-features li::before {
    content: "▫";
    color: var(--color-primary);
    font-weight: bold;
}

/* Calculator Section */
.calculator-section {
    padding: 100px 0;
    background-color: #0d0d0d;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.calculator-grid {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 64px;
    align-items: center;
}

.calculator-info h2 {
    margin-top: 12px;
}

.calculator-assumptions {
    margin-top: 36px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.assumption-item {
    display: flex;
    gap: 16px;
}

.icon-check {
    color: var(--color-primary);
    font-weight: bold;
    font-size: 1.2rem;
    line-height: 1;
}

.assumption-item strong {
    display: block;
    font-size: 1rem;
    margin-bottom: 4px;
    color: var(--color-white);
}

.assumption-item p {
    font-size: 0.9rem;
    margin: 0;
}

/* Calculator Card */
.calculator-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.calculator-inputs {
    display: flex;
    flex-direction: column;
    gap: 28px;
    margin-bottom: 32px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.range-labels {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.range-labels label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-muted);
}

.range-value {
    font-family: var(--font-heading);
    color: var(--color-primary);
    font-weight: 700;
    font-size: 1.1rem;
}

.slider {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    border-radius: var(--radius-full);
    background: var(--color-border);
    outline: none;
    transition: opacity .2s;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(255, 106, 0, 0.4);
    transition: transform 0.1s;
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(255, 106, 0, 0.4);
    transition: transform 0.1s;
}

.slider::-moz-range-thumb:hover {
    transform: scale(1.15);
}

.form-select {
    background-color: var(--bg-surface-elevated);
    border: 1px solid var(--color-border);
    color: var(--color-white);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    outline: none;
    font-family: var(--font-body);
    font-size: 0.95rem;
    cursor: pointer;
}

.calculator-results {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    border-top: 1px solid var(--color-border);
    padding-top: 32px;
    margin-bottom: 24px;
}

.result-box {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
}

.result-box.highlighted {
    border-color: var(--color-primary-alpha-strong);
    background-color: rgba(255, 106, 0, 0.02);
}

.result-title {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
    color: var(--color-muted);
}

.result-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.result-sub {
    font-size: 0.8rem;
    color: var(--color-dark-muted);
    font-weight: 500;
}

.results-footer {
    text-align: center;
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 12px;
}

.results-footer p {
    font-size: 0.95rem;
    margin: 0;
    color: var(--color-muted);
}

.results-footer p span {
    font-weight: 700;
}

/* Philosophy Section (About Us) */
.philosophy-section {
    padding: 100px 0;
    background-color: var(--bg-main);
}

.philosophy-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 64px;
    align-items: center;
}

.monk-graphic {
    position: relative;
    width: 320px;
    height: 320px;
    margin: 0 auto;
}

.glowing-halo {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 240px;
    height: 240px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 106, 0, 0.15) 0%, rgba(10, 10, 10, 0) 70%);
    border: 1px solid rgba(255, 106, 0, 0.3);
}

.monk-silhouette {
    position: absolute;
    bottom: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 140px;
    height: 180px;
    background-color: var(--color-white);
    clip-path: polygon(50% 0%, 90% 100%, 10% 100%);
    opacity: 0.9;
}

.digital-nodes .node {
    position: absolute;
    width: 6px;
    height: 6px;
    background-color: var(--color-primary);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--color-primary);
}

.digital-nodes .n1 { top: 20%; left: 30%; }
.digital-nodes .n2 { top: 25%; right: 25%; }
.digital-nodes .n3 { bottom: 35%; left: 20%; }
.digital-nodes .n4 { bottom: 40%; right: 15%; }

.pillars {
    margin-top: 36px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.pillar-item {
    display: flex;
    gap: 20px;
}

.pillar-num {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
}

.pillar-item h4 {
    margin-bottom: 6px;
    font-size: 1.1rem;
}

.pillar-item p {
    font-size: 0.95rem;
    margin: 0;
}

/* Results Metrics Section */
.results-section {
    padding: 100px 0;
    background-color: #0d0d0d;
    border-top: 1px solid var(--color-border);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.result-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
    transition: var(--transition-smooth);
}

.result-card:hover {
    border-color: var(--color-primary);
}

.card-metric {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 12px;
    line-height: 1;
}

.result-card h4 {
    margin-bottom: 12px;
}

.result-card p {
    margin: 0;
    font-size: 0.95rem;
}

/* Contact Form Section */
.contact-section {
    padding: 100px 0;
    background-color: var(--bg-main);
    border-top: 1px solid var(--color-border);
}

.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 64px;
    align-items: center;
}

.contact-details {
    margin-top: 36px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-detail-item {
    display: flex;
    align-items: center;
    gap: 16px;
    color: var(--color-muted);
}

.contact-detail-item svg {
    color: var(--color-primary);
}

.contact-form-container {
    background-color: var(--bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
    position: relative;
    min-height: 480px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    transition: opacity 0.3s ease;
}

.contact-form.hidden {
    opacity: 0;
    pointer-events: none;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-muted);
}

.form-group input,
.form-group textarea,
.form-group select {
    background-color: var(--bg-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    color: var(--color-white);
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--color-primary);
}

/* Success States */
.form-success-state {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: calc(100% - 80px);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.form-success-state.hidden {
    opacity: 0;
    pointer-events: none;
    display: none;
}

.success-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background-color: var(--color-primary-alpha);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: bold;
}

/* Footer styling */
.footer {
    background-color: #070707;
    border-top: 1px solid var(--color-border);
    padding: 80px 0 40px 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.7fr 0.7fr 1.4fr;
    gap: 48px;
    margin-bottom: 60px;
}

.footer-brand p {
    margin-top: 16px;
    font-size: 0.9rem;
}

.footer-links h5,
.footer-subscribe h5 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-white);
    margin-bottom: 20px;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--color-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}

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

.footer-subscribe p {
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.subscribe-form {
    display: flex;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: var(--bg-surface-elevated);
}

.subscribe-form input {
    flex: 1;
    background: none;
    border: none;
    padding: 12px 16px;
    color: var(--color-white);
    font-family: var(--font-body);
    font-size: 0.9rem;
    outline: none;
}

.subscribe-form button {
    background-color: var(--color-primary);
    color: var(--bg-main);
    border: none;
    width: 48px;
    cursor: pointer;
    font-weight: bold;
    font-size: 1.2rem;
    transition: var(--transition-smooth);
}

.subscribe-form button:hover {
    background-color: var(--color-primary-hover);
}

.subscribe-success {
    font-size: 0.85rem;
    color: var(--color-primary);
    margin-top: 8px;
}

.subscribe-success.hidden {
    display: none;
}

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding-top: 30px;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--color-dark-muted);
    margin: 0;
}

/* Responsive Rules */
@media (max-width: 991px) {
    .hero-grid,
    .calculator-grid,
    .philosophy-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .hero-visual,
    .philosophy-visual {
        order: -1;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 73px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 73px);
        background-color: var(--bg-main);
        transition: var(--transition-smooth);
        padding: 40px 24px;
        border-top: 1px solid var(--color-border);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu ul {
        flex-direction: column;
        gap: 24px;
        align-items: flex-start;
        width: 100%;
    }
    
    .nav-link {
        font-size: 1.2rem;
        width: 100%;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    
    /* Mobile Dropdown styles */
    .dropdown {
        width: 100%;
    }
    
    .dropdown-menu {
        position: static;
        transform: none;
        width: 100%;
        margin-top: 8px;
        background-color: rgba(255, 255, 255, 0.02);
        border: 1px solid var(--color-border);
        box-shadow: none;
        padding: 8px 0;
    }
    
    .dropdown.open .dropdown-menu {
        display: flex;
    }
    
    .dropdown-item {
        padding: 10px 20px;
        font-size: 1rem;
    }
    
    .nav-cta {
        display: none;
    }
    
    .nav-cta-mobile {
        display: block;
        text-align: center;
        background-color: var(--color-primary);
        color: var(--bg-main);
        padding: 14px;
        border-radius: var(--radius-md);
        text-decoration: none;
        font-weight: 600;
        margin-top: 12px;
        width: 100%;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .mobile-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .mobile-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .calculator-results {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
}