/* 
 * Style Design System - Anvik Systems / Symmetry
 * Palette: Deep slate/charcoal background, soft ivory text, warm bronze accent, and sage green details.
 * Gentle on the eyes, premium, minimalist.
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Lora:ital,wght@0,400;0,500;1,400&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    /* Color Palette */
    --bg-darker: #0d0f11;
    --bg-main: #121518;
    --bg-card: #181c20;
    --bg-card-hover: #1e2329;
    
    --border-light: rgba(255, 255, 255, 0.05);
    --border-hover: rgba(255, 255, 255, 0.12);
    --border-active: var(--accent-bronze-dim);
    
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #576575;
    
    --accent-bronze: #d9b48f;
    --accent-bronze-dim: rgba(217, 180, 143, 0.2);
    --accent-bronze-hover: #e5c8ab;
    
    --accent-sage: #9cb395;
    --accent-sage-dim: rgba(156, 179, 149, 0.15);
    
    --accent-blue: #8ba3b8;
    --accent-blue-dim: rgba(139, 163, 184, 0.15);
    
    /* Fonts */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-serif: 'Lora', Georgia, serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Transitions */
    --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.15s ease;
    
    /* Layout */
    --max-width: 1200px;
    --header-height: 72px;
}

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

html {
    scroll-behavior: smooth;
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-darker);
}
::-webkit-scrollbar-thumb {
    background: #252b31;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #343c45;
}

/* Typography & Layout Utilities */
h1, h2, h3, h4 {
    font-weight: 500;
    line-height: 1.25;
    letter-spacing: -0.02em;
}

p {
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 300;
}

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

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.mono-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent-bronze);
    display: inline-block;
    margin-bottom: 1rem;
}

.accent-text {
    color: var(--accent-bronze);
    font-family: var(--font-serif);
    font-style: italic;
}

/* Glassmorphism Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(18, 21, 24, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-light);
    z-index: 100;
    display: flex;
    align-items: center;
    transition: var(--transition-smooth);
}

header.scrolled {
    height: 60px;
    background: rgba(13, 15, 17, 0.9);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 1.25rem;
    letter-spacing: -0.03em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-dot {
    width: 6px;
    height: 6px;
    background-color: var(--accent-bronze);
    border-radius: 50%;
}

nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

nav a {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 400;
}

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

.nav-cta {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-light);
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.02);
}

.nav-cta:hover {
    border-color: var(--accent-bronze);
    background: var(--accent-bronze-dim);
}

/* Brand Configurator Widget in Header */
.header-configurator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-light);
    border-radius: 4px;
    padding: 0.25rem 0.5rem 0.25rem 0.75rem;
}

.header-configurator label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.header-configurator input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 500;
    width: 100px;
    padding: 0.2rem;
    border-bottom: 1px solid transparent;
    transition: var(--transition-fast);
}

.header-configurator input:focus {
    border-bottom-color: var(--accent-bronze);
}

/* Main Layout Grid */
main {
    padding-top: var(--header-height);
}

/* Hero Section */
.hero {
    min-height: calc(85vh - var(--header-height));
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 4rem 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(217, 180, 143, 0.03) 0%, transparent 70%);
    z-index: -1;
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
    width: 100%;
}

.hero-content {
    display: flex;
    flex-direction: column;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 400;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.hero h1 span.title-bold {
    font-weight: 600;
}

.hero-desc {
    font-size: 1.125rem;
    max-width: 580px;
    margin-bottom: 2.5rem;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.75rem;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-smooth);
}

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

.btn-primary:hover {
    background-color: var(--accent-bronze-hover);
    border-color: var(--accent-bronze-hover);
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    border-color: var(--text-primary);
    background: rgba(255, 255, 255, 0.02);
}

/* Interactive Visual Canvas on Right */
.hero-visual {
    position: relative;
    width: 100%;
    height: 380px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-canvas {
    width: 100%;
    height: 100%;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    background: rgba(24, 28, 32, 0.4);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(4, 1fr);
    padding: 1.5rem;
    gap: 1rem;
    position: relative;
}

.canvas-cell {
    border: 1px solid rgba(255, 255, 255, 0.02);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    color: var(--text-muted);
    font-size: 1.25rem;
    font-weight: 400;
    transition: var(--transition-smooth);
    position: relative;
    cursor: pointer;
    overflow: hidden;
}

.canvas-cell:hover {
    border-color: var(--accent-bronze-dim);
    color: var(--accent-bronze);
    background: rgba(217, 180, 143, 0.05);
    transform: scale(1.05);
    z-index: 2;
}

.canvas-cell.active-node {
    border-color: var(--accent-bronze);
    color: var(--text-primary);
    background: var(--accent-bronze-dim);
    box-shadow: 0 0 15px rgba(217, 180, 143, 0.1);
}

.canvas-cell::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.03), transparent);
    transition: 0.5s;
}

.canvas-cell:hover::after {
    left: 100%;
}

/* Brand Banner Alert (Explains Name Customizer) */
.brand-alert-banner {
    background: rgba(196, 164, 130, 0.06);
    border-top: 1px solid var(--accent-bronze-dim);
    border-bottom: 1px solid var(--accent-bronze-dim);
    padding: 1.25rem 0;
    margin-bottom: 4rem;
}

.brand-alert-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.brand-alert-text {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-alert-icon {
    color: var(--accent-bronze);
    display: flex;
    align-items: center;
}

.brand-alert-text p {
    color: var(--text-primary);
    font-size: 0.9rem;
}

.brand-alert-control {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.brand-alert-control label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-bronze);
    text-transform: uppercase;
}

.brand-alert-control input {
    background: var(--bg-darker);
    border: 1px solid var(--border-light);
    border-radius: 4px;
    padding: 0.5rem 1rem;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    min-width: 240px;
    outline: none;
    transition: var(--transition-fast);
}

.brand-alert-control input:focus {
    border-color: var(--accent-bronze);
    box-shadow: 0 0 0 1px var(--accent-bronze-dim);
}

/* Section Common Styling */
section {
    padding: 7rem 0;
    border-top: 1px solid var(--border-light);
}

.section-header {
    margin-bottom: 4rem;
    max-width: 650px;
}

.section-header h2 {
    font-size: 2.25rem;
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

/* Lifecycle Sectionsplit Layout */
.lifecycle-layout {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 4rem;
    align-items: start;
}

.lifecycle-nav {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    border-left: 1px solid var(--border-light);
    padding-left: 0;
    list-style: none;
}

.lifecycle-tab-btn {
    width: 100%;
    background: transparent;
    border: none;
    border-left: 3px solid transparent;
    padding: 1rem 1.5rem;
    text-align: left;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    transition: var(--transition-smooth);
    margin-left: -2px; /* overlap main border */
}

.lifecycle-tab-btn:hover {
    background: rgba(255, 255, 255, 0.01);
}

.lifecycle-tab-btn.active {
    border-left-color: var(--accent-bronze);
    background: rgba(217, 180, 143, 0.04);
}

.lifecycle-tab-num {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 0.1em;
}

.lifecycle-tab-btn.active .lifecycle-tab-num {
    color: var(--accent-bronze);
}

.lifecycle-tab-name {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.lifecycle-tab-btn.active .lifecycle-tab-name {
    color: var(--text-primary);
}

.lifecycle-content-pane {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 3rem;
    min-height: 420px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.lifecycle-pane {
    display: none;
    animation: fadeIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.lifecycle-pane.active {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.lifecycle-pane h3 {
    font-size: 1.75rem;
    font-weight: 500;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 1rem;
    margin-bottom: 0.5rem;
}

.lifecycle-pane-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 1rem;
}

.pane-bullet-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.pane-bullet-icon {
    color: var(--accent-bronze);
    flex-shrink: 0;
    margin-top: 0.2rem;
}

.pane-bullet-text h4 {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.pane-bullet-text p {
    font-size: 0.85rem;
    line-height: 1.4;
    color: var(--text-secondary);
}

/* Special AI Showcase Highlight */
.ai-showcase-section {
    background: linear-gradient(180deg, var(--bg-main) 0%, rgba(139, 163, 184, 0.03) 50%, var(--bg-main) 100%);
}

.ai-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 3.5rem;
    position: relative;
    overflow: hidden;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.ai-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(139, 163, 184, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.ai-card h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.ai-card p {
    font-size: 1.05rem;
    margin-bottom: 2rem;
}

.ai-features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.ai-feat-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-primary);
    border: 1px solid var(--border-light);
    border-radius: 4px;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.01);
}

.ai-feat-item svg {
    color: var(--accent-blue);
}

.ai-visual-box {
    border: 1px dashed var(--accent-blue-dim);
    border-radius: 6px;
    padding: 2rem;
    background: rgba(13, 15, 17, 0.6);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.75rem;
}

.ai-flow-node {
    border: 1px solid var(--border-light);
    border-radius: 4px;
    padding: 0.5rem;
    background: var(--bg-card);
    text-align: center;
}

.ai-flow-node.highlight {
    border-color: var(--accent-blue);
    color: var(--text-primary);
    box-shadow: 0 0 10px rgba(139, 163, 184, 0.1);
}

.ai-flow-arrow {
    text-align: center;
    color: var(--accent-blue);
    font-size: 0.85rem;
}

/* Estimator Dashboard Updates */
.estimator-layout {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3.5rem;
    align-items: start;
}

.estimator-controls {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 2.5rem;
}

.control-group {
    margin-bottom: 2.5rem;
}

.control-group:last-child {
    margin-bottom: 0;
}

.control-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    display: block;
}

/* Switch & Multi-Select Option Button Layout */
.option-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    gap: 0.75rem;
}

.option-btn {
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid var(--border-light);
    border-radius: 4px;
    padding: 0.85rem 0.5rem;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    text-align: center;
    transition: var(--transition-fast);
}

.option-btn:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.option-btn.selected {
    background: var(--accent-bronze-dim);
    border-color: var(--accent-bronze);
    color: var(--text-primary);
}

/* Highlight variation for AI option button */
.option-btn.selected-ai {
    background: var(--accent-blue-dim);
    border-color: var(--accent-blue);
    color: var(--text-primary);
}

.option-btn.selected-sage {
    background: var(--accent-sage-dim);
    border-color: var(--accent-sage);
    color: var(--text-primary);
}

/* Display Outputs Card */
.estimator-display {
    background: var(--bg-darker);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 3rem;
    position: sticky;
    top: 100px;
}

.estimator-display h3 {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-bronze);
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 0.75rem;
}

.est-output-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.est-metric-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.03);
    padding-bottom: 1rem;
}

.est-metric-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.est-metric-row .est-metric-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.est-metric-row .est-metric-value {
    font-size: 2rem;
    font-weight: 500;
    color: var(--text-primary);
}

.est-metric-row .est-metric-value span {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 300;
}

.est-metric-row .est-metric-value.mrr-val {
    color: var(--accent-sage);
}

/* Timeline visual bar */
.est-timeline-sec {
    margin-bottom: 2.5rem;
}

.est-timeline-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    display: flex;
    justify-content: space-between;
}

.est-timeline-bar-bg {
    width: 100%;
    height: 8px;
    background: var(--bg-card);
    border-radius: 4px;
    overflow: hidden;
    display: flex;
}

.est-timeline-bar-dev {
    height: 100%;
    background: var(--accent-bronze);
    transition: var(--transition-smooth);
}

.est-timeline-bar-qa {
    height: 100%;
    background: var(--accent-sage);
    transition: var(--transition-smooth);
}

.est-timeline-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 0.75rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.legend-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.legend-dot.dev { background: var(--accent-bronze); }
.legend-dot.qa { background: var(--accent-sage); }

/* Key focus suggestions list */
.est-suggestions {
    border-top: 1px solid var(--border-light);
    padding-top: 2rem;
}

.est-suggestions-title {
    font-size: 0.85rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-weight: 500;
}

.est-suggestions-list {
    list-style: none;
}

.est-suggestions-list li {
    font-size: 0.825rem;
    color: var(--text-secondary);
    margin-bottom: 0.6rem;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    line-height: 1.4;
}

.est-suggestions-list li::before {
    content: '—';
    color: var(--accent-bronze);
}

/* Philosophy Section */
.philosophy-layout {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 4rem;
    align-items: center;
}

.philosophy-quote {
    font-family: var(--font-serif);
    font-size: 2rem;
    line-height: 1.35;
    font-style: italic;
    color: var(--accent-bronze);
}

.philosophy-body {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.philosophy-body p {
    font-size: 1.05rem;
    line-height: 1.7;
}

.philosophy-highlights {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 1.5rem;
}

.phil-highlight-item h4 {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.phil-highlight-item p {
    font-size: 0.875rem;
}

/* Brief Builder / Contact Section */
.contact-layout {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

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

.form-group label {
    font-size: 0.8rem;
    font-family: var(--font-mono);
    color: var(--text-secondary);
    text-transform: uppercase;
}

.form-group input, 
.form-group textarea,
.form-group select {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 4px;
    padding: 0.85rem 1rem;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--accent-bronze);
    box-shadow: 0 0 0 1px var(--accent-bronze-dim);
}

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

/* Brief Preview (Output of builder) */
.brief-preview {
    background: var(--bg-card);
    border: 1px dashed var(--border-light);
    border-radius: 8px;
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
}

.brief-preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
}

.brief-preview-title {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.brief-preview-content {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.7;
    white-space: pre-wrap;
    flex-grow: 1;
    overflow-y: auto;
    max-height: 380px;
    margin-bottom: 1.5rem;
    padding-right: 0.5rem;
}

.brief-actions {
    display: flex;
    gap: 1rem;
}

.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--accent-sage);
    color: var(--text-primary);
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    z-index: 1000;
    opacity: 0;
    transform: translateY(10px);
    transition: var(--transition-smooth);
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

/* Footer styling */
footer {
    background: var(--bg-darker);
    padding: 5rem 0 3rem 0;
    border-top: 1px solid var(--border-light);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-desc {
    font-size: 0.875rem;
    max-width: 320px;
}

.footer-desc-link {
    color: var(--accent-bronze);
    text-decoration: underline;
    transition: var(--transition-fast);
}

.footer-desc-link:hover {
    color: var(--accent-bronze-hover);
}

.footer-links-group h4 {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
}

.footer-links-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.footer-links-list a {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-light);
    padding-top: 2rem;
}

.footer-bottom p {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.footer-customizer-trigger {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    cursor: pointer;
    background: transparent;
    border: none;
}

.footer-customizer-trigger:hover {
    color: var(--text-primary);
}

/* Sectors Grid Layout */
.sectors-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.sector-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 6px;
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transition: var(--transition-smooth);
}

.sector-card:hover {
    border-color: var(--accent-bronze-dim);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}

.sector-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sector-title {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
}

.sector-icon-mini {
    color: var(--accent-bronze);
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.sector-card p {
    font-size: 0.8rem;
    line-height: 1.4;
    color: var(--text-secondary);
}

.sector-tech-tag {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--accent-blue);
    margin-top: auto;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    padding-top: 0.5rem;
}

/* Responsive Queries */
@media (max-width: 968px) {
    .sectors-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-visual {
        height: 320px;
    }
    
    .lifecycle-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .lifecycle-nav {
        flex-direction: row;
        overflow-x: auto;
        border-left: none;
        border-bottom: 1px solid var(--border-light);
        padding-bottom: 0.5rem;
    }
    
    .lifecycle-tab-btn {
        border-left: none;
        border-bottom: 3px solid transparent;
        padding: 0.75rem 1.25rem;
        margin-left: 0;
        margin-bottom: -1px;
        white-space: nowrap;
        flex-shrink: 0;
    }
    
    .lifecycle-tab-btn.active {
        border-bottom-color: var(--accent-bronze);
    }
    
    .ai-card {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        padding: 2.5rem;
    }
    
    .estimator-layout {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .estimator-display {
        position: relative;
        top: 0;
    }
    
    .philosophy-layout {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .hero h1 {
        font-size: 2.75rem;
    }
}

@media (max-width: 576px) {
    .sectors-grid {
        grid-template-columns: 1fr;
    }

    .container {
        padding: 0 1.25rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 1.75rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    
    .btn {
        text-align: center;
    }
    
    .brand-alert-flex {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .brand-alert-control input {
        width: 100%;
    }
    
    .ai-features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
}