:root {
    --bg-dark: #05070A;
    --bg-card: #0E1218;
    --bg-card-alt: #131922;
    --border-subtle: #1E2530;

    --green: #2ED8A0;
    --green-light: #7CF5C4;
    --blue: #4C7EFF;
    --blue-light: #8DAEFF;
    --gradient-brand: linear-gradient(135deg, var(--green) 0%, var(--blue) 100%);
    --green-rgba-15: rgba(46, 216, 160, 0.15);
    --green-rgba-30: rgba(46, 216, 160, 0.3);

    --text-white: #F5F7FA;
    --text-muted: #8B93A1;
    --color-red: #EF4444;

    --radius-btn: 10px;
    --radius-card: 16px;
    --radius-section: 24px;

    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-white);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 800;
    line-height: 1.2;
}

.container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 90px 0;
}

@media (max-width: 768px) {
    section { padding: 60px 0; }
}

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

/* ------------------------
   TOP BAR
------------------------ */
.top-bar {
    background: var(--bg-card-alt);
    border-bottom: 1px solid var(--border-subtle);
    text-align: center;
    padding: 8px 15px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--green-light);
}

/* ------------------------
   HEADER
------------------------ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 500;
    background: rgba(5, 7, 10, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.brand-mark {
    font-family: var(--font-heading);
    font-weight: 900;
    color: var(--bg-dark);
    background: var(--gradient-brand);
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
}

.brand-name {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.15rem;
    color: var(--text-white);
}

.brand-dot { color: var(--green); }

.main-nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.main-nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.main-nav a:hover { color: var(--text-white); }

.nav-cta {
    background: var(--gradient-brand);
    color: var(--bg-dark) !important;
    padding: 10px 18px;
    border-radius: var(--radius-btn);
    font-weight: 700 !important;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-white);
    display: block;
}

@media (max-width: 900px) {
    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-card);
        border-bottom: 1px solid var(--border-subtle);
        flex-direction: column;
        align-items: flex-start;
        padding: 20px;
        gap: 18px;
        display: none;
    }
    .main-nav.open { display: flex; }
    .nav-toggle { display: flex; }
    .nav-cta { width: 100%; text-align: center; }
}

/* ------------------------
   BUTTONS
------------------------ */
.btn {
    display: inline-block;
    font-family: var(--font-heading);
    font-weight: 800;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    padding: 16px 28px;
    border-radius: var(--radius-btn);
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.btn-solid {
    background: var(--gradient-brand);
    color: var(--bg-dark);
    box-shadow: 0 4px 20px rgba(46, 216, 160, 0.2);
}

.btn-solid:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(46, 216, 160, 0.35);
}

.btn-outline {
    background: transparent;
    color: var(--text-white);
    border: 1.5px solid var(--border-subtle);
}

.btn-outline:hover {
    border-color: var(--green);
    color: var(--green-light);
}

.btn-text {
    background: none;
    color: var(--text-muted);
    text-transform: none;
    font-weight: 600;
    padding: 16px 8px;
}

.btn-text:hover { color: var(--text-white); }

.large-cta { font-size: 1rem; padding: 20px 36px; }

.center-btn { text-align: center; margin-top: 40px; }

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

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

/* ------------------------
   HERO
------------------------ */
.hero-section {
    padding: 80px 0 100px;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -20%; right: -10%; width: 60%; height: 80%;
    background: radial-gradient(circle, rgba(76,126,255,0.12) 0%, transparent 65%);
    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 50px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.eyebrow {
    color: var(--green-light);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.85rem;
    margin-bottom: 18px;
}

.headline {
    font-size: 3.2rem;
    margin-bottom: 22px;
}

.hero-content .subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 36px;
    max-width: 92%;
}

.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
}

@media (max-width: 992px) {
    .hero-container { grid-template-columns: 1fr; }
    .headline { font-size: 2.3rem; }
    .hero-visual { order: -1; }
}

@media (max-width: 600px) {
    .headline { font-size: 1.9rem; }
    .hero-content .subtitle { font-size: 1rem; max-width: 100%; }
}

/* Mock window visual */
.mock-window {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-section);
    box-shadow: 0 30px 60px rgba(0,0,0,0.5);
    overflow: hidden;
}

.mock-topbar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--bg-card-alt);
    border-bottom: 1px solid var(--border-subtle);
}

.mock-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.mock-dot.red { background: #EF4444; }
.mock-dot.yellow { background: #F5B942; }
.mock-dot.green { background: var(--green); }

.mock-url {
    margin-left: 12px;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-body);
}

.mock-body {
    display: flex;
    min-height: 320px;
}

.mock-sidebar {
    width: 60px;
    background: var(--bg-card-alt);
    border-right: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 0;
    gap: 16px;
}

.mock-side-item {
    width: 26px;
    height: 26px;
    border-radius: 7px;
    background: rgba(255,255,255,0.05);
}

.mock-side-item.active {
    background: var(--gradient-brand);
}

.mock-main {
    flex: 1;
    padding: 26px;
    display: flex;
    flex-direction: column;
    gap: 26px;
}

.mock-stat-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.mock-pill {
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    padding: 8px 16px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.mock-pill b { color: var(--text-white); }

.mock-pill.up { color: var(--green-light); border-color: var(--green-rgba-30); }

.mock-chart {
    flex: 1;
    display: flex;
    align-items: flex-end;
    gap: 10px;
    padding-top: 10px;
}

.mock-chart span {
    flex: 1;
    height: var(--h);
    background: var(--gradient-brand);
    border-radius: 4px 4px 0 0;
    opacity: 0.85;
    animation: growBar 1.2s ease-out;
    transform-origin: bottom;
}

@keyframes growBar {
    from { transform: scaleY(0); }
    to { transform: scaleY(1); }
}

@media (max-width: 600px) {
    .mock-body { min-height: 240px; }
    .mock-sidebar { width: 46px; }
}

/* ------------------------
   STEPS SECTION
------------------------ */
.steps-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-section);
    padding: 60px;
}

.steps-header { text-align: center; margin-bottom: 50px; }

.section-title {
    font-size: 2.2rem;
    margin-bottom: 15px;
}

.section-subtitle-left {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 480px;
}

@media (max-width: 768px) {
    .steps-card { padding: 30px 20px; }
    .section-title { font-size: 1.7rem; }
}

.step-block {
    padding: 40px 0;
    border-top: 1px solid var(--border-subtle);
    position: relative;
}

.step-block:first-of-type { border-top: none; padding-top: 0; }

.step-num {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 0.95rem;
    color: var(--green-light);
    background: var(--green-rgba-15);
    border: 1px solid var(--green-rgba-30);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.step-title {
    font-size: 1.6rem;
    margin-bottom: 12px;
}

.step-sub {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 1rem;
    text-transform: none;
}

.step-desc {
    color: var(--text-muted);
    max-width: 700px;
    margin-bottom: 30px;
}

/* Tabs */
.tab-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border-subtle);
    padding-bottom: 24px;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-card-alt);
    border: 1px solid var(--border-subtle);
    color: var(--text-muted);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.85rem;
    padding: 10px 16px;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.25s ease;
}

.tab-btn svg {
    width: 16px;
    height: 16px;
    stroke: currentColor;
}

.tab-btn:hover { color: var(--text-white); }

.tab-btn.active {
    background: var(--gradient-brand);
    color: var(--bg-dark);
    border-color: transparent;
}

.tab-panel {
    display: none;
    background: var(--bg-card-alt);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-card);
    padding: 36px;
}

.tab-panel.active {
    display: block;
    animation: fadeIn 0.35s ease;
}

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

.panel-text h4 {
    font-size: 1.3rem;
    color: var(--green-light);
    margin-bottom: 12px;
}

.panel-text p {
    color: var(--text-muted);
    margin-bottom: 18px;
    max-width: 640px;
}

.panel-list {
    list-style: none;
    margin-bottom: 20px;
}

.panel-list li {
    color: var(--text-white);
    padding-left: 24px;
    position: relative;
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.panel-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--gradient-brand);
}

.link-cta {
    color: var(--green-light);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
}

.link-cta:hover { color: var(--blue-light); }

@media (max-width: 768px) {
    .tab-panel { padding: 24px 18px; }
}

/* Models banner */
.models-banner {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    background: var(--bg-card-alt);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-card);
    padding: 40px;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.models-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(46,216,160,0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(76,126,255,0.08) 0%, transparent 50%);
    pointer-events: none;
}

.model-chip {
    position: relative;
    z-index: 2;
    background: var(--bg-dark);
    border: 1px solid var(--border-subtle);
    color: var(--text-white);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9rem;
    padding: 14px 22px;
    border-radius: 30px;
}

.model-chip.highlight {
    background: var(--gradient-brand);
    color: var(--bg-dark);
    border-color: transparent;
}

/* Matrix table */
.matrix-wrap {
    overflow-x: auto;
    border-radius: var(--radius-card);
    border: 1px solid var(--border-subtle);
}

.matrix-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 620px;
}

.matrix-table th, .matrix-table td {
    padding: 16px 18px;
    text-align: center;
    border-bottom: 1px solid var(--border-subtle);
    font-size: 0.9rem;
}

.matrix-table .row-label {
    text-align: left;
    font-weight: 700;
    color: var(--text-white);
}

.example-row th {
    background: var(--bg-card-alt);
    border-bottom: none;
    padding-bottom: 4px;
}

.ex-label {
    display: block;
    font-size: 0.65rem;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.ex-name {
    display: block;
    font-weight: 700;
    color: var(--green-light);
    font-size: 0.85rem;
}

.matrix-table thead tr:nth-child(2) th {
    background: var(--bg-card-alt);
    color: var(--text-muted);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

.matrix-table .yes { color: var(--green-light); font-weight: 800; }
.matrix-table .no { color: var(--text-muted); }

/* ------------------------
   LEAD FORM
------------------------ */
.lead-section {
    background: var(--bg-card);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.lead-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.lead-step {
    display: flex;
    gap: 16px;
    margin-top: 26px;
}

.lead-step-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gradient-brand);
    color: var(--bg-dark);
    font-family: var(--font-heading);
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lead-step h4 { font-size: 1.05rem; margin-bottom: 6px; }
.lead-step p { color: var(--text-muted); font-size: 0.92rem; }

.lead-form {
    background: var(--bg-card-alt);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-card);
    padding: 34px;
}

.form-group { margin-bottom: 15px; }

.form-group input,
.form-group select {
    width: 100%;
    padding: 15px;
    background: var(--bg-dark);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    color: var(--text-white);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: border-color 0.3s;
}

.form-group select { color: var(--text-muted); }

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--green);
}

.form-group input.error,
.form-group select.error { border-color: var(--color-red); }

.submit-btn { width: 100%; margin-top: 6px; }

.privacy-text {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 14px;
}

@media (max-width: 900px) {
    .lead-grid { grid-template-columns: 1fr; }
}

/* ------------------------
   CASES
------------------------ */
.section-header { text-align: center; margin-bottom: 50px; }

.tag {
    display: inline-block;
    background: var(--green-rgba-15);
    border: 1px solid var(--green-rgba-30);
    color: var(--green-light);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 6px 14px;
    border-radius: 20px;
    margin-bottom: 18px;
    font-weight: 700;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
}

.case-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-card);
    padding: 34px;
    transition: transform 0.3s, border-color 0.3s;
}

.case-card:hover {
    transform: translateY(-5px);
    border-color: var(--green-rgba-30);
}

.case-wordmark {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.4rem;
    margin-bottom: 14px;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
}

.case-desc { color: var(--text-muted); font-size: 0.92rem; }

@media (max-width: 900px) {
    .cases-grid { grid-template-columns: 1fr; }
}

/* ------------------------
   SECTORS
------------------------ */
.sectors-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.sector-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    color: var(--text-muted);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    padding: 12px 20px;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.25s;
}

.sector-btn.active {
    background: var(--gradient-brand);
    color: var(--bg-dark);
    border-color: transparent;
}

.sector-panel {
    display: none;
    text-align: center;
    max-width: 560px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-card);
    padding: 40px;
}

.sector-panel.active {
    display: block;
    animation: fadeIn 0.35s ease;
}

.sector-case {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.3rem;
    color: var(--green-light);
    margin-bottom: 10px;
}

.sector-panel p { color: var(--text-muted); }

/* ------------------------
   NUMBERS
------------------------ */
.numbers-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    position: relative;
}

.numbers-disclaimer {
    font-size: 0.78rem;
    color: #555c68;
    margin-top: 16px;
}

.numbers-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.stat-box {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-card);
    padding: 26px 20px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-num {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 2rem;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.network-graphic {
    grid-column: 1 / -1;
    display: flex;
    justify-content: center;
    margin-top: 20px;
    opacity: 0.9;
}

.network-svg { width: 100%; max-width: 420px; height: auto; }
.network-svg line { stroke: var(--border-subtle); stroke-width: 1.5; }
.network-svg .node { fill: var(--blue-light); }
.network-svg .node-main { fill: var(--green); }

@media (max-width: 900px) {
    .numbers-grid { grid-template-columns: 1fr; }
}

@media (max-width: 500px) {
    .numbers-stats { grid-template-columns: 1fr; }
}

/* ------------------------
   FINAL CTA
------------------------ */
.final-cta-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 50px;
    align-items: center;
}

.final-cta-visual {
    position: relative;
    height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.orb {
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: var(--gradient-brand);
    filter: blur(50px);
    opacity: 0.35;
    position: absolute;
}

.code-chip {
    position: relative;
    z-index: 2;
    background: var(--bg-card);
    border: 1px solid var(--green-rgba-30);
    color: var(--green-light);
    font-family: 'Courier New', monospace;
    font-weight: 700;
    padding: 14px 22px;
    border-radius: var(--radius-card);
    box-shadow: 0 20px 50px rgba(0,0,0,0.4);
}

.cta-title {
    font-size: 2rem;
    margin: 16px 0 22px;
    max-width: 600px;
}

.cta-checklist {
    list-style: none;
    margin-bottom: 32px;
}

.cta-checklist li {
    padding-left: 28px;
    position: relative;
    margin-bottom: 12px;
    color: var(--text-muted);
}

.cta-checklist li::before {
    content: '\2713';
    position: absolute;
    left: 0;
    color: var(--green-light);
    font-weight: 800;
}

@media (max-width: 900px) {
    .final-cta-grid { grid-template-columns: 1fr; }
    .final-cta-visual { height: 220px; order: -1; }
    .cta-title { font-size: 1.6rem; }
}

/* ------------------------
   FOOTER
------------------------ */
.site-footer {
    border-top: 1px solid var(--border-subtle);
    padding: 60px 0 30px;
    background: #030405;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 40px;
}

.company-data {
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.8;
    margin-top: 14px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s;
}

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

.footer-bottom {
    border-top: 1px solid var(--border-subtle);
    padding-top: 20px;
    text-align: center;
}

.copyright { font-size: 0.85rem; color: var(--text-muted); }