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@davekennewell
Created February 21, 2026 06:13
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Save davekennewell/23529dbe61a041d814d5dfa96e795128 to your computer and use it in GitHub Desktop.
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Hydrata - Open Source Hydraulic Modeling Platform</title>
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap" rel="stylesheet">
<style>
*, *::before, *::after {
margin: 0;
padding: 0;
box-sizing: border-box;
}
:root {
--blue-900: #1a3254;
--blue-800: #1e3a5f;
--blue-700: #274a78;
--blue-600: #346094;
--blue-500: #4078b4;
--blue-400: #5a92c8;
--blue-300: #7db0dc;
--blue-200: #a8cce8;
--blue-100: #d4e6f4;
--blue-50: #eef5fb;
--gray-900: #111827;
--gray-800: #1f2937;
--gray-700: #374151;
--gray-600: #4b5563;
--gray-500: #6b7280;
--gray-400: #9ca3af;
--gray-300: #d1d5db;
--gray-200: #e5e7eb;
--gray-100: #f3f4f6;
--gray-50: #f9fafb;
--white: #ffffff;
--font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}
html {
scroll-behavior: smooth;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}
body {
font-family: var(--font);
color: var(--gray-800);
background: var(--white);
line-height: 1.6;
overflow-x: hidden;
}
/* ── Navigation ── */
nav {
position: fixed;
top: 0;
left: 0;
right: 0;
z-index: 100;
padding: 0 2rem;
height: 72px;
display: flex;
align-items: center;
justify-content: space-between;
background: rgba(255, 255, 255, 0.85);
backdrop-filter: blur(12px);
-webkit-backdrop-filter: blur(12px);
border-bottom: 1px solid rgba(0, 0, 0, 0.06);
transition: background 0.3s ease;
}
.nav-logo {
display: flex;
align-items: center;
gap: 10px;
text-decoration: none;
color: var(--blue-800);
}
.nav-logo svg {
width: 32px;
height: 32px;
}
.nav-logo span {
font-size: 1.25rem;
font-weight: 800;
letter-spacing: -0.03em;
}
.nav-links {
display: flex;
align-items: center;
gap: 2rem;
list-style: none;
}
.nav-links a {
text-decoration: none;
color: var(--gray-600);
font-size: 0.9rem;
font-weight: 500;
transition: color 0.2s;
}
.nav-links a:hover {
color: var(--blue-600);
}
.nav-cta {
display: inline-flex;
align-items: center;
padding: 0.5rem 1.25rem;
background: var(--blue-600);
color: var(--white) !important;
border-radius: 8px;
font-weight: 600;
font-size: 0.875rem;
transition: background 0.2s, transform 0.15s;
}
.nav-cta:hover {
background: var(--blue-700);
transform: translateY(-1px);
}
/* ── Hero ── */
.hero {
position: relative;
min-height: 100vh;
display: flex;
align-items: center;
justify-content: center;
padding: 8rem 2rem 6rem;
overflow: hidden;
background: linear-gradient(168deg, var(--white) 0%, var(--blue-50) 40%, var(--blue-100) 100%);
}
.hero::before {
content: '';
position: absolute;
top: -20%;
right: -10%;
width: 800px;
height: 800px;
border-radius: 50%;
background: radial-gradient(circle, rgba(52, 96, 148, 0.06) 0%, transparent 70%);
pointer-events: none;
}
.hero::after {
content: '';
position: absolute;
bottom: -10%;
left: -5%;
width: 600px;
height: 600px;
border-radius: 50%;
background: radial-gradient(circle, rgba(64, 120, 180, 0.05) 0%, transparent 70%);
pointer-events: none;
}
/* Grid pattern overlay */
.hero-grid {
position: absolute;
inset: 0;
background-image:
linear-gradient(rgba(52, 96, 148, 0.03) 1px, transparent 1px),
linear-gradient(90deg, rgba(52, 96, 148, 0.03) 1px, transparent 1px);
background-size: 60px 60px;
pointer-events: none;
}
.hero-content {
position: relative;
z-index: 2;
max-width: 800px;
text-align: center;
}
.hero-badge {
display: inline-flex;
align-items: center;
gap: 0.5rem;
padding: 0.4rem 1rem;
background: var(--white);
border: 1px solid var(--blue-200);
border-radius: 100px;
font-size: 0.8125rem;
font-weight: 600;
color: var(--blue-600);
margin-bottom: 2rem;
animation: fadeInUp 0.8s ease both;
}
.hero-badge-dot {
width: 6px;
height: 6px;
border-radius: 50%;
background: var(--blue-500);
animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
0%, 100% { opacity: 1; }
50% { opacity: 0.4; }
}
.hero h1 {
font-size: clamp(2.75rem, 6vw, 4.5rem);
font-weight: 900;
line-height: 1.08;
letter-spacing: -0.04em;
color: var(--gray-900);
margin-bottom: 1.5rem;
animation: fadeInUp 0.8s ease 0.1s both;
}
.hero h1 .gradient-text {
background: linear-gradient(135deg, var(--blue-600) 0%, var(--blue-400) 100%);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
}
.hero p {
font-size: clamp(1.05rem, 2vw, 1.3rem);
color: var(--gray-600);
max-width: 580px;
margin: 0 auto 2.5rem;
line-height: 1.65;
font-weight: 400;
animation: fadeInUp 0.8s ease 0.2s both;
}
.hero-cta-group {
display: flex;
align-items: center;
justify-content: center;
gap: 1rem;
animation: fadeInUp 0.8s ease 0.3s both;
}
.btn-primary {
display: inline-flex;
align-items: center;
gap: 0.5rem;
padding: 0.9rem 2rem;
background: var(--blue-600);
color: var(--white);
font-family: var(--font);
font-size: 1rem;
font-weight: 600;
border: none;
border-radius: 10px;
cursor: pointer;
text-decoration: none;
transition: all 0.2s ease;
box-shadow: 0 1px 2px rgba(0,0,0,0.06), 0 4px 12px rgba(52, 96, 148, 0.2);
}
.btn-primary:hover {
background: var(--blue-700);
transform: translateY(-2px);
box-shadow: 0 2px 4px rgba(0,0,0,0.08), 0 8px 24px rgba(52, 96, 148, 0.25);
}
.btn-primary svg {
width: 18px;
height: 18px;
transition: transform 0.2s;
}
.btn-primary:hover svg {
transform: translateX(3px);
}
.btn-secondary {
display: inline-flex;
align-items: center;
gap: 0.5rem;
padding: 0.9rem 2rem;
background: var(--white);
color: var(--gray-700);
font-family: var(--font);
font-size: 1rem;
font-weight: 600;
border: 1px solid var(--gray-300);
border-radius: 10px;
cursor: pointer;
text-decoration: none;
transition: all 0.2s ease;
}
.btn-secondary:hover {
background: var(--gray-50);
border-color: var(--gray-400);
transform: translateY(-2px);
}
@keyframes fadeInUp {
from {
opacity: 0;
transform: translateY(20px);
}
to {
opacity: 1;
transform: translateY(0);
}
}
/* ── Trusted By ── */
.trusted {
padding: 3.5rem 2rem;
text-align: center;
background: var(--white);
border-top: 1px solid var(--gray-100);
border-bottom: 1px solid var(--gray-100);
}
.trusted p {
font-size: 0.8125rem;
font-weight: 600;
color: var(--gray-400);
text-transform: uppercase;
letter-spacing: 0.08em;
margin-bottom: 2rem;
}
.trusted-logos {
display: flex;
align-items: center;
justify-content: center;
gap: 3.5rem;
flex-wrap: wrap;
max-width: 900px;
margin: 0 auto;
}
.trusted-logo {
font-size: 0.95rem;
font-weight: 700;
color: var(--gray-300);
letter-spacing: -0.01em;
white-space: nowrap;
}
/* ── Features ── */
.features {
padding: 7rem 2rem;
background: var(--white);
}
.section-container {
max-width: 1120px;
margin: 0 auto;
}
.section-header {
text-align: center;
margin-bottom: 4rem;
}
.section-label {
display: inline-block;
font-size: 0.8125rem;
font-weight: 700;
text-transform: uppercase;
letter-spacing: 0.08em;
color: var(--blue-600);
margin-bottom: 1rem;
}
.section-title {
font-size: clamp(1.75rem, 3.5vw, 2.5rem);
font-weight: 800;
color: var(--gray-900);
letter-spacing: -0.03em;
line-height: 1.2;
margin-bottom: 1rem;
}
.section-subtitle {
font-size: 1.1rem;
color: var(--gray-500);
max-width: 560px;
margin: 0 auto;
}
.features-grid {
display: grid;
grid-template-columns: repeat(3, 1fr);
gap: 2rem;
}
.feature-card {
padding: 2.5rem 2rem;
background: var(--gray-50);
border: 1px solid var(--gray-200);
border-radius: 16px;
transition: all 0.3s ease;
}
.feature-card:hover {
background: var(--white);
border-color: var(--blue-200);
box-shadow: 0 4px 24px rgba(52, 96, 148, 0.08);
transform: translateY(-4px);
}
.feature-icon {
width: 48px;
height: 48px;
display: flex;
align-items: center;
justify-content: center;
background: var(--blue-50);
border: 1px solid var(--blue-100);
border-radius: 12px;
margin-bottom: 1.5rem;
color: var(--blue-600);
}
.feature-icon svg {
width: 24px;
height: 24px;
}
.feature-card h3 {
font-size: 1.15rem;
font-weight: 700;
color: var(--gray-900);
margin-bottom: 0.75rem;
letter-spacing: -0.01em;
}
.feature-card p {
font-size: 0.95rem;
color: var(--gray-500);
line-height: 1.65;
}
/* ── Platform Preview ── */
.preview {
padding: 7rem 2rem;
background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}
.preview .section-container {
max-width: 1000px;
}
.preview-window {
position: relative;
background: var(--white);
border: 1px solid var(--gray-200);
border-radius: 16px;
overflow: hidden;
box-shadow: 0 4px 6px rgba(0,0,0,0.04), 0 16px 40px rgba(0,0,0,0.06);
}
.preview-titlebar {
display: flex;
align-items: center;
gap: 8px;
padding: 14px 18px;
background: var(--gray-50);
border-bottom: 1px solid var(--gray-200);
}
.preview-dot {
width: 10px;
height: 10px;
border-radius: 50%;
background: var(--gray-300);
}
.preview-dot:nth-child(1) { background: #ff5f57; }
.preview-dot:nth-child(2) { background: #febc2e; }
.preview-dot:nth-child(3) { background: #28c840; }
.preview-url {
flex: 1;
text-align: center;
font-size: 0.75rem;
color: var(--gray-400);
font-weight: 500;
}
.preview-body {
position: relative;
aspect-ratio: 16 / 9;
background: linear-gradient(145deg, var(--blue-50) 0%, var(--blue-100) 100%);
display: flex;
align-items: stretch;
overflow: hidden;
}
/* Simulated map interface */
.mock-sidebar {
width: 260px;
background: var(--white);
border-right: 1px solid var(--gray-200);
padding: 1.25rem;
flex-shrink: 0;
}
.mock-sidebar-title {
font-size: 0.7rem;
font-weight: 700;
text-transform: uppercase;
letter-spacing: 0.06em;
color: var(--gray-400);
margin-bottom: 1rem;
}
.mock-layer {
display: flex;
align-items: center;
gap: 0.625rem;
padding: 0.5rem 0.625rem;
border-radius: 6px;
margin-bottom: 0.375rem;
font-size: 0.78rem;
font-weight: 500;
color: var(--gray-700);
cursor: default;
}
.mock-layer:nth-child(2) {
background: var(--blue-50);
color: var(--blue-700);
}
.mock-layer-dot {
width: 8px;
height: 8px;
border-radius: 2px;
flex-shrink: 0;
}
.mock-layer:nth-child(2) .mock-layer-dot { background: var(--blue-500); }
.mock-layer:nth-child(3) .mock-layer-dot { background: #10b981; }
.mock-layer:nth-child(4) .mock-layer-dot { background: #f59e0b; }
.mock-layer:nth-child(5) .mock-layer-dot { background: #8b5cf6; }
.mock-legend {
margin-top: 1.25rem;
padding-top: 1rem;
border-top: 1px solid var(--gray-100);
}
.mock-legend-title {
font-size: 0.7rem;
font-weight: 700;
text-transform: uppercase;
letter-spacing: 0.06em;
color: var(--gray-400);
margin-bottom: 0.75rem;
}
.mock-gradient-bar {
height: 10px;
border-radius: 3px;
background: linear-gradient(90deg, #2563eb 0%, #06b6d4 30%, #10b981 50%, #f59e0b 75%, #ef4444 100%);
margin-bottom: 0.375rem;
}
.mock-gradient-labels {
display: flex;
justify-content: space-between;
font-size: 0.625rem;
color: var(--gray-400);
font-weight: 600;
}
.mock-map {
flex: 1;
position: relative;
overflow: hidden;
}
/* Topographic/flood contour visualization */
.mock-map-bg {
position: absolute;
inset: 0;
background:
radial-gradient(ellipse 70% 50% at 55% 45%, rgba(6, 182, 212, 0.15) 0%, transparent 100%),
radial-gradient(ellipse 40% 35% at 40% 55%, rgba(37, 99, 235, 0.12) 0%, transparent 100%),
radial-gradient(ellipse 30% 25% at 65% 35%, rgba(16, 185, 129, 0.1) 0%, transparent 100%),
linear-gradient(145deg, var(--blue-50) 0%, #f0f7ff 100%);
}
.mock-contour {
position: absolute;
border-radius: 50%;
border: 1px solid;
opacity: 0.3;
}
.mock-contour:nth-child(1) {
width: 400px; height: 280px;
top: 15%; left: 20%;
border-color: #2563eb;
}
.mock-contour:nth-child(2) {
width: 300px; height: 200px;
top: 22%; left: 28%;
border-color: #06b6d4;
opacity: 0.35;
}
.mock-contour:nth-child(3) {
width: 200px; height: 130px;
top: 30%; left: 35%;
border-color: #10b981;
opacity: 0.4;
}
.mock-contour:nth-child(4) {
width: 100px; height: 70px;
top: 38%; left: 42%;
border-color: #f59e0b;
opacity: 0.45;
}
/* Flow arrows */
.mock-arrow {
position: absolute;
font-size: 0.75rem;
color: var(--blue-400);
opacity: 0.5;
font-weight: 500;
}
.mock-arrow:nth-of-type(5) { top: 20%; right: 20%; transform: rotate(-30deg); }
.mock-arrow:nth-of-type(6) { top: 50%; right: 15%; transform: rotate(-15deg); }
.mock-arrow:nth-of-type(7) { bottom: 25%; right: 30%; transform: rotate(-45deg); }
.mock-toolbar {
position: absolute;
top: 12px;
right: 12px;
display: flex;
flex-direction: column;
gap: 4px;
}
.mock-tool-btn {
width: 32px;
height: 32px;
background: var(--white);
border: 1px solid var(--gray-200);
border-radius: 6px;
display: flex;
align-items: center;
justify-content: center;
font-size: 0.7rem;
color: var(--gray-500);
box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.mock-coords {
position: absolute;
bottom: 10px;
left: 12px;
font-size: 0.625rem;
color: var(--gray-400);
font-family: 'SF Mono', 'Fira Code', monospace;
background: rgba(255,255,255,0.85);
padding: 3px 8px;
border-radius: 4px;
backdrop-filter: blur(4px);
}
.mock-scale {
position: absolute;
bottom: 10px;
right: 12px;
display: flex;
align-items: center;
gap: 4px;
font-size: 0.625rem;
color: var(--gray-400);
background: rgba(255,255,255,0.85);
padding: 3px 8px;
border-radius: 4px;
}
.mock-scale-line {
width: 40px;
height: 2px;
background: var(--gray-400);
position: relative;
}
.mock-scale-line::before,
.mock-scale-line::after {
content: '';
position: absolute;
width: 2px;
height: 6px;
background: var(--gray-400);
top: -2px;
}
.mock-scale-line::before { left: 0; }
.mock-scale-line::after { right: 0; }
/* ── Final CTA ── */
.cta-section {
padding: 7rem 2rem;
text-align: center;
background: var(--white);
}
.cta-card {
max-width: 720px;
margin: 0 auto;
padding: 4rem 3rem;
background: linear-gradient(135deg, var(--blue-800) 0%, var(--blue-600) 100%);
border-radius: 24px;
position: relative;
overflow: hidden;
}
.cta-card::before {
content: '';
position: absolute;
top: -50%;
right: -20%;
width: 400px;
height: 400px;
border-radius: 50%;
background: rgba(255,255,255,0.05);
pointer-events: none;
}
.cta-card::after {
content: '';
position: absolute;
bottom: -30%;
left: -10%;
width: 300px;
height: 300px;
border-radius: 50%;
background: rgba(255,255,255,0.03);
pointer-events: none;
}
.cta-card h2 {
font-size: clamp(1.5rem, 3vw, 2.25rem);
font-weight: 800;
color: var(--white);
letter-spacing: -0.03em;
margin-bottom: 1rem;
position: relative;
z-index: 1;
}
.cta-card p {
font-size: 1.05rem;
color: var(--blue-200);
margin-bottom: 2rem;
max-width: 480px;
margin-left: auto;
margin-right: auto;
position: relative;
z-index: 1;
}
.btn-white {
display: inline-flex;
align-items: center;
gap: 0.5rem;
padding: 0.9rem 2rem;
background: var(--white);
color: var(--blue-700);
font-family: var(--font);
font-size: 1rem;
font-weight: 700;
border: none;
border-radius: 10px;
cursor: pointer;
text-decoration: none;
transition: all 0.2s ease;
position: relative;
z-index: 1;
box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.btn-white:hover {
transform: translateY(-2px);
box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}
.btn-white svg {
width: 18px;
height: 18px;
transition: transform 0.2s;
}
.btn-white:hover svg {
transform: translateX(3px);
}
/* ── Footer ── */
footer {
padding: 2.5rem 2rem;
border-top: 1px solid var(--gray-100);
background: var(--gray-50);
}
.footer-content {
max-width: 1120px;
margin: 0 auto;
display: flex;
align-items: center;
justify-content: space-between;
}
.footer-left {
display: flex;
align-items: center;
gap: 0.625rem;
}
.footer-left svg {
width: 20px;
height: 20px;
color: var(--blue-600);
}
.footer-left span {
font-size: 0.8125rem;
color: var(--gray-400);
}
.footer-links {
display: flex;
gap: 2rem;
list-style: none;
}
.footer-links a {
font-size: 0.8125rem;
color: var(--gray-400);
text-decoration: none;
transition: color 0.2s;
}
.footer-links a:hover {
color: var(--gray-600);
}
/* ── Scroll Reveal ── */
.reveal {
opacity: 0;
transform: translateY(30px);
transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
opacity: 1;
transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
/* ── Responsive ── */
@media (max-width: 900px) {
.features-grid {
grid-template-columns: 1fr;
gap: 1.5rem;
}
.mock-sidebar {
display: none;
}
.nav-links .nav-link-text {
display: none;
}
}
@media (max-width: 640px) {
nav {
padding: 0 1.25rem;
}
.hero {
padding: 7rem 1.25rem 4rem;
}
.hero-cta-group {
flex-direction: column;
}
.btn-primary, .btn-secondary, .btn-white {
width: 100%;
justify-content: center;
}
.trusted-logos {
gap: 2rem;
}
.features, .preview, .cta-section {
padding: 4rem 1.25rem;
}
.cta-card {
padding: 3rem 1.5rem;
}
.footer-content {
flex-direction: column;
gap: 1rem;
text-align: center;
}
.preview-body {
aspect-ratio: 4 / 3;
}
}
</style>
</head>
<body>
<!-- Navigation -->
<nav>
<a href="/" class="nav-logo">
<svg viewBox="0 0 32 32" fill="none" xmlns="http://www.w3.org/2000/svg">
<rect width="32" height="32" rx="8" fill="#346094"/>
<path d="M8 22C8 22 10 14 16 14C22 14 24 22 24 22" stroke="white" stroke-width="2.5" stroke-linecap="round"/>
<path d="M6 18C6 18 9 10 16 10C23 10 26 18 26 18" stroke="white" stroke-width="1.5" stroke-linecap="round" opacity="0.5"/>
<circle cx="16" cy="14" r="2" fill="white"/>
</svg>
<span>Hydrata</span>
</a>
<ul class="nav-links">
<li><a href="/catalogue/#/?f=map" class="nav-link-text">Maps</a></li>
<li><a href="#features" class="nav-link-text">Features</a></li>
<li><a href="/account/signup/" class="nav-cta">Get Started</a></li>
</ul>
</nav>
<!-- Hero -->
<section class="hero">
<div class="hero-grid"></div>
<div class="hero-content">
<div class="hero-badge">
<span class="hero-badge-dot"></span>
Powered by ANUGA Open Source Engine
</div>
<h1>
Surface water modeling,<br>
<span class="gradient-text">built for collaboration.</span>
</h1>
<p>
Run production-grade hydraulic simulations in the cloud. No installs, no licensing fees. Just science.
</p>
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Get Started Free
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Explore Maps
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</section>
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<p>Trusted by government agencies and research institutions worldwide</p>
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<span class="trusted-logo">City of Decatur</span>
<span class="trusted-logo">CODELCO</span>
<span class="trusted-logo">National Geophysical Research Institute</span>
<span class="trusted-logo">ANU</span>
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<span class="section-label">Platform</span>
<h2 class="section-title">Hydraulic modeling,<br>without the overhead.</h2>
<p class="section-subtitle">
Everything you need to build, run, and share flood and surface water models -- in one place.
</p>
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<!-- Card 1: Open Source -->
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<h3>Open Source Engine</h3>
<p>
Built on ANUGA, the peer-reviewed hydrodynamic engine developed by Geoscience Australia and the Australian National University. Full transparency, no black boxes.
</p>
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<h3>Cloud-Based Modeling</h3>
<p>
Run compute-intensive simulations on scalable cloud infrastructure. No desktop installs, no hardware constraints. Access your models from anywhere.
</p>
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<!-- Card 3: Collaborative -->
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<h3>Collaborative by Design</h3>
<p>
Share models with your team, stakeholders, and the public. Built-in permissions, version history, and real-time access to results through interactive maps.
</p>
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</div>
</div>
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<div class="section-header">
<span class="section-label">Interface</span>
<h2 class="section-title">See your data come to life.</h2>
<p class="section-subtitle">
Interactive flood maps, depth grids, and velocity fields -- all rendered in your browser.
</p>
</div>
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<span class="preview-dot"></span>
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<div class="mock-sidebar-title">Layers</div>
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Base Terrain (DEM)
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Flood Depth Grid
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Velocity Field
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Rainfall Boundary
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Catchment Boundary
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<div class="mock-legend-title">Depth (m)</div>
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<span>0.0</span>
<span>0.5</span>
<span>1.0</span>
<span>2.0+</span>
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</div>
</div>
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<div class="mock-coords">33.7708&deg; N, 84.2963&deg; W</div>
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500m
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</div>
</div>
</div>
</section>
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<h2>Start modeling in minutes.</h2>
<p>
Create your free account and run your first hydraulic simulation today. No credit card required.
</p>
<a href="/account/signup/" class="btn-white">
Create Free Account
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