/* ==========================================================================
   Görev Pusula — Kurumsal Ürün Tanıtım Web Sitesi (Modern SaaS Tema)
   ========================================================================== */

:root {
    --bg-primary: #070b14;
    --bg-secondary: #0f172a;
    --bg-surface: rgba(15, 23, 42, 0.72);
    --bg-card: rgba(30, 41, 59, 0.48);
    --bg-card-hover: rgba(30, 41, 59, 0.78);
    --bg-mockup: #0b1120;
    --bg-mockup-panel: #131c31;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(56, 189, 248, 0.35);
    --brand-indigo: #6366f1;
    --brand-indigo-dark: #4f46e5;
    --brand-cyan: #06b6d4;
    --brand-sky: #38bdf8;
    --brand-emerald: #10b981;
    --brand-amber: #f59e0b;
    --brand-rose: #f43f5e;
    --nav-bg: rgba(7, 11, 20, 0.82);
    --shadow-lg: 0 24px 48px -12px rgba(0, 0, 0, 0.55);
    --shadow-glow: 0 0 60px -15px rgba(56, 189, 248, 0.22);
    --hero-radial: radial-gradient(ellipse 80% 50% at 50% -15%, rgba(99, 102, 241, 0.26), rgba(6, 182, 212, 0.08) 55%, transparent 80%);
}

[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #f1f5f9;
    --bg-surface: rgba(255, 255, 255, 0.88);
    --bg-card: #ffffff;
    --bg-card-hover: #ffffff;
    --bg-mockup: #f1f5f9;
    --bg-mockup-panel: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    --border-subtle: rgba(15, 23, 42, 0.09);
    --border-strong: rgba(79, 70, 229, 0.35);
    --nav-bg: rgba(248, 250, 252, 0.86);
    --shadow-lg: 0 20px 40px -15px rgba(15, 23, 42, 0.09);
    --shadow-glow: 0 12px 40px -10px rgba(79, 70, 229, 0.14);
    --hero-radial: radial-gradient(ellipse 80% 50% at 50% -15%, rgba(99, 102, 241, 0.14), rgba(6, 182, 212, 0.05) 55%, transparent 80%);
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-primary);
    background-image: var(--hero-radial);
    background-repeat: no-repeat;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.25s ease, color 0.25s ease;
}

h1, h2, h3, h4, .brand-font {
    font-family: 'Plus Jakarta Sans', 'Inter', sans-serif;
    letter-spacing: -0.025em;
}

a {
    color: inherit;
    text-decoration: none;
}

.container {
    width: 100%;
    max-width: 1220px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Logo Dark/Light Visibility */
.logo-dark {
    display: block !important;
}
.logo-light {
    display: none !important;
}
[data-theme="light"] .logo-dark {
    display: none !important;
}
[data-theme="light"] .logo-light {
    display: block !important;
}

/* ==========================================================================
   1. Navbar
   ========================================================================== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--nav-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-subtle);
    transition: all 0.25s ease;
}

.navbar-inner {
    height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.navbar-brand img {
    height: 46px;
    width: auto;
    display: block;
}

.navbar-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.navbar-links a {
    font-size: 0.925rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color 0.2s ease;
}

.navbar-links a:hover {
    color: var(--brand-sky);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.theme-btn {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: 1px solid var(--border-subtle);
    background: var(--bg-card);
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.theme-btn:hover {
    border-color: var(--brand-sky);
    color: var(--text-primary);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 10px;
    font-size: 0.925rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--brand-indigo-dark) 0%, var(--brand-indigo) 55%, var(--brand-cyan) 100%);
    color: #ffffff;
    box-shadow: 0 8px 24px -6px rgba(79, 70, 229, 0.55);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 28px -6px rgba(56, 189, 248, 0.6);
}

.btn-outline {
    background: var(--bg-card);
    border-color: var(--border-subtle);
    color: var(--text-primary);
}

.btn-outline:hover {
    border-color: var(--brand-sky);
    background: var(--bg-card-hover);
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
    border-radius: 12px;
}

/* ==========================================================================
   2. Hero Section
   ========================================================================== */
.hero {
    padding: 76px 0 56px;
    text-align: center;
    position: relative;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: 999px;
    background: rgba(56, 189, 248, 0.1);
    border: 1px solid rgba(56, 189, 248, 0.28);
    color: var(--brand-sky);
    font-size: 0.825rem;
    font-weight: 600;
    margin-bottom: 24px;
}

[data-theme="light"] .hero-badge {
    background: rgba(79, 70, 229, 0.08);
    border-color: rgba(79, 70, 229, 0.25);
    color: var(--brand-indigo-dark);
}

.hero-badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--brand-emerald);
    box-shadow: 0 0 8px var(--brand-emerald);
}

.hero-title {
    font-size: clamp(2.35rem, 5vw, 3.85rem);
    font-weight: 800;
    line-height: 1.12;
    max-width: 880px;
    margin: 0 auto 22px;
}

.text-gradient {
    background: linear-gradient(135deg, #38bdf8 0%, #818cf8 55%, #6366f1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="light"] .text-gradient {
    background: linear-gradient(135deg, #0284c7 0%, #4f46e5 60%, #4338ca 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 680px;
    margin: 0 auto 34px;
    font-weight: 400;
}

.hero-cta-group {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 52px;
}

/* ==========================================================================
   3. Interactive Product Showcase (Browser Window Mockup)
   ========================================================================== */
.showcase-wrapper {
    max-width: 1100px;
    margin: 0 auto;
}

.showcase-tabs {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 14px;
    margin-bottom: 24px;
    flex-wrap: wrap;
    justify-content: center;
}

.showcase-tab {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 10px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.showcase-tab:hover {
    color: var(--text-primary);
}

.showcase-tab.active {
    background: var(--brand-indigo);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

.app-window {
    background: var(--bg-mockup);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    overflow: hidden;
    text-align: left;
}

.app-window-bar {
    height: 46px;
    background: var(--bg-mockup-panel);
    border-bottom: 1px solid var(--border-subtle);
    padding: 0 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.window-dots {
    display: flex;
    gap: 7px;
}

.window-dots span {
    width: 11px;
    height: 11px;
    border-radius: 50%;
}

.window-dots span:nth-child(1) { background: #ef4444; }
.window-dots span:nth-child(2) { background: #f59e0b; }
.window-dots span:nth-child(3) { background: #10b981; }

.window-url {
    font-size: 0.78rem;
    color: var(--text-muted);
    background: var(--bg-primary);
    padding: 4px 16px;
    border-radius: 6px;
    border: 1px solid var(--border-subtle);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.app-window-body {
    display: grid;
    grid-template-columns: 220px 1fr;
    min-height: 440px;
}

.mock-sidebar {
    background: var(--bg-mockup-panel);
    border-right: 1px solid var(--border-subtle);
    padding: 18px 14px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.mock-nav-list {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-top: 16px;
}

.mock-nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: 8px;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.15s ease;
}

.mock-nav-item.active {
    background: rgba(99, 102, 241, 0.16);
    color: var(--brand-sky);
    font-weight: 600;
}

[data-theme="light"] .mock-nav-item.active {
    background: rgba(79, 70, 229, 0.12);
    color: var(--brand-indigo-dark);
}

.mock-main {
    padding: 24px;
    background: var(--bg-mockup);
}

.showcase-pane {
    display: none;
    animation: fadeIn 0.25s ease;
}

.showcase-pane.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Mockup Inner Elements */
.mock-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border-subtle);
}

.mock-title {
    font-size: 1.1rem;
    font-weight: 700;
}

.mock-pill {
    font-size: 0.74rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 99px;
}

.pill-indigo { background: rgba(99, 102, 241, 0.16); color: #818cf8; }
.pill-emerald { background: rgba(16, 185, 129, 0.16); color: #34d399; }
.pill-amber { background: rgba(245, 158, 11, 0.16); color: #fbbf24; }
.pill-sky { background: rgba(56, 189, 248, 0.16); color: #38bdf8; }

[data-theme="light"] .pill-indigo { color: #4f46e5; }
[data-theme="light"] .pill-emerald { color: #059669; }
[data-theme="light"] .pill-amber { color: #d97706; }
[data-theme="light"] .pill-sky { color: #0284c7; }

.kanban-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}

.kanban-col {
    background: var(--bg-mockup-panel);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 12px;
}

.kanban-col-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-secondary);
}

.kanban-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    padding: 12px;
    margin-bottom: 10px;
}

.kanban-card:last-child {
    margin-bottom: 0;
}

.kanban-card-title {
    font-size: 0.84rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.kanban-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.72rem;
    color: var(--text-muted);
}

/* Metrics Row inside Mockup */
.mock-kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 18px;
}

.mock-kpi-card {
    background: var(--bg-mockup-panel);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 14px;
}

.mock-kpi-val {
    font-size: 1.45rem;
    font-weight: 800;
    margin-top: 4px;
}

/* ==========================================================================
   4. Stats Bar
   ========================================================================== */
.stats-section {
    padding: 36px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    padding: 32px 24px;
    text-align: center;
}

.stat-number {
    font-size: 2.1rem;
    font-weight: 800;
    font-family: 'Plus Jakarta Sans', sans-serif;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ==========================================================================
   5. Section Headers & Bento Feature Grid
   ========================================================================== */
.section {
    padding: 88px 0;
}

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 56px;
}

.section-eyebrow {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--brand-sky);
    margin-bottom: 10px;
}

[data-theme="light"] .section-eyebrow {
    color: var(--brand-indigo-dark);
}

.section-title {
    font-size: clamp(1.75rem, 3.2vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 14px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-muted);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 18px;
    padding: 28px;
    transition: all 0.25s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-strong);
    background: var(--bg-card-hover);
    box-shadow: var(--shadow-lg);
}

.feature-card.span-2 {
    grid-column: span 2;
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    margin-bottom: 20px;
    background: rgba(99, 102, 241, 0.14);
    color: var(--brand-sky);
    border: 1px solid rgba(99, 102, 241, 0.25);
}

[data-theme="light"] .feature-icon {
    background: rgba(79, 70, 229, 0.1);
    color: var(--brand-indigo-dark);
}

.feature-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.feature-desc {
    font-size: 0.94rem;
    color: var(--text-muted);
    line-height: 1.65;
}

.feature-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 20px;
}

.feature-tag {
    font-size: 0.76rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 6px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
}

/* ==========================================================================
   6. How It Works (Workflow Steps)
   ========================================================================== */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.step-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 18px;
    padding: 26px 22px;
    position: relative;
}

.step-num {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--brand-indigo), var(--brand-cyan));
    color: #ffffff;
    font-weight: 800;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.step-title {
    font-size: 1.08rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.step-desc {
    font-size: 0.88rem;
    color: var(--text-muted);
}

/* ==========================================================================
   7. Built-in 4 Themes Showcase Section
   ========================================================================== */
.themes-showcase {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 24px;
    padding: 44px;
    display: grid;
    grid-template-columns: 1fr 1.15fr;
    gap: 36px;
    align-items: center;
}

.theme-selector-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 24px;
}

.theme-option-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px;
    border-radius: 12px;
    border: 1px solid var(--border-subtle);
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    text-align: left;
    transition: all 0.2s ease;
    font-family: inherit;
}

.theme-option-btn.active {
    border-color: var(--brand-sky);
    box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.2);
}

.theme-swatch {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    flex-shrink: 0;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.theme-preview-card {
    border-radius: 16px;
    padding: 24px;
    border: 1px solid var(--border-subtle);
    transition: all 0.3s ease;
}

/* ==========================================================================
   7.5 Pricing Section (Fiyatlandırma)
   ========================================================================== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
    max-width: 920px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 24px;
    padding: 38px 34px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    transition: all 0.25s ease;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
    border-color: var(--brand-sky);
    box-shadow: var(--shadow-lg), 0 0 45px -10px rgba(56, 189, 248, 0.25);
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.1) 0%, var(--bg-card) 100%);
}

.pricing-badge {
    position: absolute;
    top: -14px;
    right: 28px;
    background: linear-gradient(135deg, var(--brand-indigo-dark), var(--brand-cyan));
    color: #ffffff;
    font-size: 0.76rem;
    font-weight: 700;
    padding: 5px 14px;
    border-radius: 999px;
    letter-spacing: 0.03em;
    box-shadow: 0 6px 16px rgba(6, 182, 212, 0.35);
}

.pricing-plan-name {
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: 6px;
}

.pricing-plan-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.pricing-price-wrap {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 8px;
}

.pricing-price {
    font-size: 2.65rem;
    font-weight: 800;
    font-family: 'Plus Jakarta Sans', sans-serif;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

.pricing-period {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-muted);
}

.pricing-saving-note {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--brand-emerald);
    margin-bottom: 24px;
    min-height: 20px;
}

.pricing-divider {
    height: 1px;
    background: var(--border-subtle);
    margin-bottom: 24px;
}

.pricing-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 32px;
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.94rem;
    color: var(--text-secondary);
}

.pricing-check {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: rgba(16, 185, 129, 0.16);
    color: var(--brand-emerald);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 800;
    flex-shrink: 0;
    margin-top: 2px;
}

/* ==========================================================================
   8. Contact Form Section (İletişim)
   ========================================================================== */
.contact-wrapper {
    display: grid;
    grid-template-columns: 0.95fr 1.25fr;
    gap: 36px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 24px;
    padding: 44px;
    align-items: start;
}

.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-top: 28px;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px;
    border-radius: 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
}

.contact-info-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(56, 189, 248, 0.14);
    color: var(--brand-sky);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    flex-shrink: 0;
}

[data-theme="light"] .contact-info-icon {
    background: rgba(79, 70, 229, 0.1);
    color: var(--brand-indigo-dark);
}

.contact-form {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 18px;
    padding: 32px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.form-group {
    margin-bottom: 18px;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 7px;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border-radius: 10px;
    border: 1px solid var(--border-subtle);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.94rem;
    outline: none;
    transition: all 0.2s ease;
}

.form-control:focus {
    border-color: var(--brand-sky);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.18);
}

textarea.form-control {
    resize: vertical;
    min-height: 110px;
}

.form-feedback {
    display: none;
    padding: 13px 16px;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 18px;
}

.form-feedback.success {
    display: block;
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.35);
    color: #34d399;
}

[data-theme="light"] .form-feedback.success {
    color: #059669;
}

.form-feedback.error {
    display: block;
    background: rgba(244, 63, 94, 0.15);
    border: 1px solid rgba(244, 63, 94, 0.35);
    color: #fb7185;
}

[data-theme="light"] .form-feedback.error {
    color: #e11d48;
}

/* ==========================================================================
   9. CTA Banner & Footer
   ========================================================================== */
.cta-box {
    background: linear-gradient(135deg, #1e1b4b 0%, #172554 50%, #0f172a 100%);
    border: 1px solid rgba(56, 189, 248, 0.3);
    border-radius: 24px;
    padding: 56px 32px;
    text-align: center;
    color: #f8fafc;
    box-shadow: var(--shadow-lg);
}

.cta-box h2 {
    font-size: clamp(1.75rem, 3vw, 2.35rem);
    margin-bottom: 12px;
}

.cta-box p {
    color: #cbd5e1;
    max-width: 580px;
    margin: 0 auto 28px;
}

.footer {
    padding: 48px 0 36px;
    border-top: 1px solid var(--border-subtle);
    margin-top: 64px;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-copy {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* ==========================================================================
   9. Responsive Design
   ========================================================================== */
@media (max-width: 992px) {
    .app-window-body {
        grid-template-columns: 1fr;
    }
    .mock-sidebar {
        display: none;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .feature-card.span-2 {
        grid-column: span 1;
    }
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .themes-showcase {
        grid-template-columns: 1fr;
        padding: 28px;
    }
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    .contact-wrapper {
        grid-template-columns: 1fr;
        padding: 28px;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .navbar-links {
        display: none;
    }
    .kanban-grid,
    .mock-kpi-grid,
    .steps-grid,
    .stats-grid,
    .theme-selector-list {
        grid-template-columns: 1fr;
    }
}