:root {
    --bg-color: #0b1222;
    --card-bg: #141e33;
    --primary-color: #60a5fa;
    --text-color: #f8fafc;
    --text-secondary: #94a3b8;
    --gradient-1: #60a5fa;
    --gradient-2: #38bdf8;
    --accent-color: #38bdf8;
}

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

html {
    scroll-padding-top: 96px;
    scroll-behavior: smooth;
    overflow-x: clip;
    overflow-y: auto;
    height: 100%;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100%;
    display: block;
    position: relative;
    overflow: visible;
}

body.mode-comercial #demos,
body.mode-comercial #cases,
body.mode-comercial #como-funciona,
body.mode-comercial #manutencao,
body.mode-comercial #sobre {
    display: none !important;
}

body.mode-comercial .hero-panel {
    display: none !important;
}

#interno {
    display: none;
}

body.mode-interno main > section {
    display: none !important;
}

body.mode-interno #interno {
    display: block !important;
}

body.mode-fechamento main,
body.mode-fechamento .mobile-cta,
body.mode-fechamento .footer {
    display: none !important;
}

/* Background Shapes */
.bg-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    z-index: -1;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: var(--gradient-1);
    top: -50px;
    left: -50px;
    animation: float 6s ease-in-out infinite;
}

.shape-2 {
    width: 250px;
    height: 250px;
    background: var(--gradient-2);
    bottom: -50px;
    right: -50px;
    animation: float 8s ease-in-out infinite reverse;
}

@keyframes float {
    0% { transform: translate(0, 0); }
    50% { transform: translate(20px, 20px); }
    100% { transform: translate(0, 0); }
}

.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    z-index: 1;
}

.links-container {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Profile Section */
.profile-section {
    text-align: center;
    margin-bottom: 2.5rem;
}

.avatar-container {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    margin: 0 auto 1.2rem;
    padding: 4px;
    background: linear-gradient(45deg, var(--gradient-1), var(--gradient-2));
    display: flex;
    align-items: center;
    justify-content: center;
}

.avatar-container i,
.avatar-container img {
    width: 100%;
    height: 100%;
    background: var(--bg-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--text-color);
    object-fit: cover; /* Ensures image covers the circle without distortion */
}

.profile-section h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(90deg, #fff, #ccc);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.profile-section p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 300;
}

.pill-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 10px;
    margin-top: 14px;
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 999px;
    font-size: 0.78rem;
    color: rgba(248, 250, 252, 0.88);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
}

.pill i {
    color: var(--accent-color);
}

.text-accent {
    color: rgba(125, 211, 252, 0.98);
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(11, 18, 34, 0.74);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(16px);
}

.topbar-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 14px 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: rgba(248, 250, 252, 0.95);
    font-weight: 900;
    letter-spacing: 0.2px;
}

.brand-mark {
    height: 38px;
    min-width: 38px;
    border-radius: 12px;
    padding: 2px;
    background: linear-gradient(45deg, var(--gradient-1), var(--gradient-2));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.brand-mark img,
.brand-mark i {
    height: 100%;
    width: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    object-fit: contain;
    color: rgba(248, 250, 252, 0.9);
    font-size: 1.05rem;
}

.brand-glyph {
    height: 100%;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(248, 250, 252, 0.95);
    font-weight: 900;
    font-size: 0.98rem;
    letter-spacing: 0.2px;
}
.brand-name {
    display: inline-flex;
    align-items: baseline;
    gap: 6px;
    font-size: 1.08rem;
    font-weight: 900;
    letter-spacing: 0.2px;
}

.brand-ndev {
    background: linear-gradient(90deg, #ffffff, rgba(148, 163, 184, 0.9));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand-studio {
    color: rgba(248, 250, 252, 0.92);
    font-weight: 800;
}
.nav {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: nowrap;
    justify-content: flex-end;
}

.nav-toggle-input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.04);
    color: rgba(248, 250, 252, 0.95);
    cursor: pointer;
    user-select: none;
}

.nav-toggle:hover {
    background: rgba(255, 255, 255, 0.07);
}

.nav a {
    color: rgba(226, 232, 240, 0.85);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 700;
    padding: 10px 12px;
    border-radius: 12px;
    transition: all 0.2s ease;
}

.nav a:hover {
    background: rgba(255, 255, 255, 0.06);
    color: rgba(248, 250, 252, 0.95);
}

.nav .nav-cta {
    background: rgba(34, 197, 94, 0.16);
    border: 1px solid rgba(34, 197, 94, 0.22);
    color: rgba(240, 253, 244, 0.95);
}

.nav .nav-cta:hover {
    background: rgba(34, 197, 94, 0.22);
    border-color: rgba(34, 197, 94, 0.32);
}

.hero {
    padding: 34px 0 10px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 22px;
    align-items: start;
}

.hero-copy h1 {
    font-size: 2.25rem;
    line-height: 1.08;
    font-weight: 900;
    letter-spacing: -0.6px;
    margin-bottom: 12px;
}

.hero-copy p {
    font-size: 1rem;
    color: rgba(148, 163, 184, 0.98);
    line-height: 1.55;
    margin-top: 10px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 18px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 16px;
    border-radius: 14px;
    font-weight: 900;
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.2s ease;
    font-size: 0.95rem;
}

.button.primary {
    background: linear-gradient(135deg, rgba(96, 165, 250, 0.95), rgba(56, 189, 248, 0.85));
    color: rgba(15, 23, 42, 0.95);
    border-color: rgba(96, 165, 250, 0.35);
}

.button.primary:hover {
    transform: translateY(-1px);
    filter: brightness(1.05);
}

.button.is-disabled {
    opacity: 0.55;
    pointer-events: none;
    filter: grayscale(0.15);
}

.button.ghost {
    background: rgba(255, 255, 255, 0.04);
    color: rgba(248, 250, 252, 0.95);
}

.button.ghost:hover {
    background: rgba(255, 255, 255, 0.07);
    transform: translateY(-1px);
}

html.modal-open,
html.modal-open body {
    overflow: hidden;
}

.modal {
    position: fixed;
    inset: 0;
    display: none;
    place-items: center;
    padding: 18px;
    padding-top: calc(18px + env(safe-area-inset-top));
    padding-bottom: calc(18px + env(safe-area-inset-bottom));
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.modal[aria-hidden="false"] {
    display: grid;
    opacity: 1;
    pointer-events: auto;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(2, 6, 23, 0.78);
    backdrop-filter: blur(6px);
}

.modal-card {
    position: relative;
    width: min(720px, 100%);
    max-height: calc(100vh - 36px);
    max-height: calc(100dvh - 36px);
    display: flex;
    flex-direction: column;
    border-radius: 18px;
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 18px 55px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

.modal-card-wide {
    width: min(920px, 100%);
}

.modal-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.modal-head h3 {
    margin: 0;
    font-size: 1.02rem;
    font-weight: 900;
    color: rgba(248, 250, 252, 0.95);
}

.icon-button {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: rgba(248, 250, 252, 0.92);
    cursor: pointer;
}

.icon-button:hover {
    background: rgba(255, 255, 255, 0.07);
}

.modal-body {
    padding: 14px 14px 16px;
    display: grid;
    gap: 14px;
    overflow: auto;
    min-height: 0;
    -webkit-overflow-scrolling: touch;
    flex: 1 1 auto;
}

.term-actions {
    display: flex;
    justify-content: flex-end;
}

.modal-foot {
    padding: 12px 14px 14px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(15, 23, 42, 0.35);
    display: grid;
    gap: 12px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.field {
    display: grid;
    gap: 8px;
    color: rgba(226, 232, 240, 0.92);
    font-weight: 800;
    font-size: 0.82rem;
}

.field input,
.field select {
    width: 100%;
    padding: 12px 12px;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(15, 23, 42, 0.35);
    color: rgba(248, 250, 252, 0.95);
    outline: none;
    font-family: inherit;
}

.field input::placeholder {
    color: rgba(148, 163, 184, 0.9);
}

.field input:focus,
.field select:focus {
    border-color: rgba(96, 165, 250, 0.35);
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.12);
}

.form-block {
    padding: 12px 12px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    display: grid;
    gap: 12px;
}

.form-disclosure {
    padding: 0;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    overflow: hidden;
}

.form-disclosure > summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
    padding: 12px 12px;
    font-size: 0.9rem;
    font-weight: 900;
    color: rgba(248, 250, 252, 0.95);
}

.form-disclosure > summary::-webkit-details-marker {
    display: none;
}

.form-disclosure > summary .disclosure-hint {
    font-size: 0.8rem;
    font-weight: 800;
    color: rgba(148, 163, 184, 0.95);
}

.form-disclosure[open] > summary .disclosure-hint {
    color: rgba(125, 211, 252, 0.98);
}

.form-disclosure .form-block-inner {
    padding: 0 12px 12px;
    display: grid;
    gap: 12px;
}

.form-title {
    font-size: 0.9rem;
    font-weight: 900;
    color: rgba(248, 250, 252, 0.95);
}

.form-toolbar {
    display: flex;
    justify-content: flex-end;
}

.badge-included {
    margin-left: auto;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 800;
    color: rgba(240, 253, 244, 0.95);
    background: rgba(34, 197, 94, 0.16);
    border: 1px solid rgba(34, 197, 94, 0.28);
}

.check-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

#q-extras .check-grid {
    max-height: min(42vh, 340px);
    overflow: auto;
    padding-right: 6px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: rgba(96, 165, 250, 0.55) rgba(255, 255, 255, 0.06);
}

#q-extras .check-grid::-webkit-scrollbar {
    width: 10px;
}

#q-extras .check-grid::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.06);
    border-radius: 999px;
}

#q-extras .check-grid::-webkit-scrollbar-thumb {
    background: rgba(96, 165, 250, 0.55);
    border-radius: 999px;
    border: 2px solid rgba(255, 255, 255, 0.06);
}

.check-option {
    display: inline-flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.85rem;
    line-height: 1.35;
    color: rgba(203, 213, 225, 0.9);
    padding: 10px 10px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    cursor: pointer;
    user-select: none;
}

.check-option input {
    margin-top: 2px;
}

.check-option-wide {
    width: 100%;
}

.quote-summary {
    padding: 12px 12px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.quote-line {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    color: rgba(226, 232, 240, 0.92);
    font-weight: 800;
}

.quote-line + .quote-line {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

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

.term-box {
    padding: 12px 12px;
    border-radius: 16px;
    background: rgba(15, 23, 42, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: rgba(226, 232, 240, 0.9);
    font-size: 0.9rem;
    line-height: 1.55;
    overflow-wrap: anywhere;
    word-break: break-word;
    position: relative;
    height: 160px;
    overflow: hidden;
}

.term-box::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 72px;
    background: linear-gradient(to bottom, rgba(15, 23, 42, 0), rgba(15, 23, 42, 0.95));
    pointer-events: none;
}

.term-box.is-expanded {
    height: auto;
    overflow: visible;
}

.term-box.is-expanded::after {
    display: none;
}

.sign-canvas {
    width: 100%;
    height: 180px;
    border-radius: 16px;
    background: rgba(2, 6, 23, 0.28);
    border: 1px solid rgba(255, 255, 255, 0.08);
    touch-action: none;
}

.hint-box {
    padding: 10px 10px;
    border-radius: 14px;
    background: rgba(96, 165, 250, 0.12);
    border: 1px solid rgba(96, 165, 250, 0.22);
    color: rgba(226, 232, 240, 0.92);
    font-size: 0.85rem;
    line-height: 1.35;
}

.hint-box.is-success {
    background: rgba(34, 197, 94, 0.14);
    border-color: rgba(34, 197, 94, 0.24);
    color: rgba(240, 253, 244, 0.95);
}

.maint-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-top: 12px;
}

.hero-panel {
    background: rgba(30, 41, 59, 0.65);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 18px;
    padding: 16px 16px 14px;
    box-shadow: 0 16px 45px rgba(0, 0, 0, 0.35);
    overflow: hidden;
}

.panel-title {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}

.panel-title h2,
.panel-title h3 {
    font-size: 1.05rem;
    font-weight: 900;
    color: rgba(248, 250, 252, 0.95);
}

.panel-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 900;
    background: rgba(96, 165, 250, 0.14);
    border: 1px solid rgba(96, 165, 250, 0.22);
    color: rgba(226, 232, 240, 0.92);
}

.panel-list {
    display: grid;
    gap: 10px;
    margin-bottom: 12px;
}

.panel-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.88rem;
    line-height: 1.35;
    color: rgba(203, 213, 225, 0.9);
    padding: 10px 10px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.panel-item i {
    color: rgba(125, 211, 252, 0.95);
    margin-top: 1px;
}

.panel-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 12px 14px;
    border-radius: 14px;
    text-decoration: none;
    font-weight: 900;
    color: rgba(240, 253, 244, 0.95);
    background: rgba(34, 197, 94, 0.16);
    border: 1px solid rgba(34, 197, 94, 0.24);
}

.panel-cta:hover {
    background: rgba(34, 197, 94, 0.22);
    border-color: rgba(34, 197, 94, 0.35);
}

.section {
    padding: 28px 0;
}

section[id] {
    scroll-margin-top: 96px;
}

.confirm {
    padding: 34px 0;
}

.confirm-back {
    padding: 10px 12px;
    font-size: 0.9rem;
}

.confirm-card {
    border-radius: 18px;
    background: rgba(30, 41, 59, 0.65);
    border: 1px solid rgba(255, 255, 255, 0.06);
    padding: 18px 18px;
    box-shadow: 0 16px 45px rgba(0, 0, 0, 0.35);
}

.confirm-icon {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(34, 197, 94, 0.14);
    border: 1px solid rgba(34, 197, 94, 0.22);
    color: rgba(240, 253, 244, 0.95);
    font-size: 1.25rem;
}

.confirm-title {
    margin-top: 12px;
    font-size: 1.6rem;
    line-height: 1.1;
    font-weight: 900;
    color: rgba(248, 250, 252, 0.96);
}

.confirm-subtitle {
    margin-top: 10px;
    color: rgba(148, 163, 184, 0.98);
    line-height: 1.55;
}

.confirm-meta {
    margin-top: 12px;
    color: rgba(148, 163, 184, 0.95);
    font-size: 0.86rem;
    line-height: 1.4;
}

.confirm-actions {
    margin-top: 14px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.confirm-tip {
    margin-top: 14px;
}

.section-muted {
    background: rgba(255, 255, 255, 0.02);
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.section-head {
    margin-bottom: 16px;
}

.section-head h2 {
    font-size: 1.35rem;
    font-weight: 900;
    color: rgba(248, 250, 252, 0.95);
    margin-bottom: 8px;
}

.section-head p {
    color: rgba(148, 163, 184, 0.98);
    line-height: 1.5;
}

.grid {
    display: grid;
    gap: 14px;
}

.grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-1 {
    grid-template-columns: 1fr;
    margin-top: 14px;
}

.plan-item {
    display: flex;
    flex-direction: column;
    gap: 10px;
    height: 100%;
}

.plan-item > .link-card {
    flex: 1;
    margin-bottom: 0;
}

.plan-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.quote-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 12px;
    border-radius: 14px;
    text-decoration: none;
    font-weight: 900;
    font-size: 0.86rem;
    color: rgba(224, 231, 255, 0.95);
    background: rgba(96, 165, 250, 0.14);
    border: 1px solid rgba(96, 165, 250, 0.22);
    transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.quote-link:hover {
    transform: translateY(-1px);
    background: rgba(96, 165, 250, 0.2);
    border-color: rgba(96, 165, 250, 0.34);
}

.pay-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 12px;
    border-radius: 14px;
    text-decoration: none;
    font-weight: 900;
    font-size: 0.86rem;
    color: rgba(240, 253, 244, 0.95);
    background: rgba(34, 197, 94, 0.16);
    border: 1px solid rgba(34, 197, 94, 0.24);
    transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.pay-link:hover {
    transform: translateY(-1px);
    background: rgba(34, 197, 94, 0.22);
    border-color: rgba(34, 197, 94, 0.35);
}

.cta-row {
    margin-top: 14px;
}

.conversion-band {
    padding: 0;
}
.conversion-band .band-inner {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 14px;
    background: linear-gradient(135deg, rgba(96, 165, 250, 0.18), rgba(56, 189, 248, 0.14));
    border: 1px solid rgba(96, 165, 250, 0.25);
    border-radius: 18px;
    padding: 16px 16px;
    box-shadow: 0 16px 45px rgba(0, 0, 0, 0.25);
}
.conversion-band .band-title {
    font-size: 1.12rem;
    font-weight: 900;
    color: rgba(248, 250, 252, 0.95);
}
.conversion-band .band-sub {
    font-size: 0.95rem;
    color: rgba(203, 213, 225, 0.95);
    margin-top: 6px;
}
.conversion-band .band-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    justify-content: flex-end;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.about-card {
    border-radius: 18px;
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.06);
    padding: 16px 16px;
    box-shadow: 0 16px 45px rgba(0, 0, 0, 0.25);
}

.about-card h3 {
    font-size: 1.05rem;
    font-weight: 900;
    color: rgba(248, 250, 252, 0.95);
    margin-bottom: 10px;
}

.about-card p {
    color: rgba(148, 163, 184, 0.98);
    line-height: 1.55;
    margin-top: 10px;
}

.checklist {
    display: grid;
    gap: 10px;
    margin-top: 6px;
}

.check {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: rgba(203, 213, 225, 0.9);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    padding: 10px 10px;
    border-radius: 14px;
    font-size: 0.88rem;
    line-height: 1.35;
}

.check i {
    color: rgba(125, 211, 252, 0.95);
    margin-top: 1px;
}

.faq {
    margin-top: 14px;
    display: grid;
    gap: 10px;
}

.faq details {
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    padding: 12px 12px;
}

.faq summary {
    cursor: pointer;
    font-weight: 900;
    color: rgba(248, 250, 252, 0.95);
    list-style: none;
}

.faq summary::-webkit-details-marker {
    display: none;
}

.faq summary::after {
    content: "+";
    float: right;
    color: rgba(125, 211, 252, 0.95);
    font-weight: 900;
}

.faq details[open] summary::after {
    content: "–";
}

.faq p {
    margin-top: 10px;
    color: rgba(148, 163, 184, 0.98);
    line-height: 1.55;
}

.footer {
    margin-top: 3rem;
    text-align: center;
    width: 100%;
}

.footer p {
    font-size: 0.8rem;
    color: rgba(203, 213, 225, 0.86);
    opacity: 1;
}

.section-title {
    width: 100%;
    padding: 14px 14px 6px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.section-title.small {
    padding: 12px 14px 6px;
}

.section-title h2 {
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.2px;
    color: rgba(248, 250, 252, 0.95);
    margin-bottom: 6px;
}

.section-title p {
    font-size: 0.85rem;
    color: rgba(148, 163, 184, 0.95);
    line-height: 1.4;
}

/* Links Section */
.links-section {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.link-card {
    background-color: var(--card-bg);
    padding: 18px 20px;
    border-radius: 16px;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    border: 1px solid rgba(255, 255, 255, 0.05); /* Subtle border for definition */
    position: relative;
    overflow: hidden;
    margin-bottom: 5px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.link-card.is-static {
    cursor: default;
}

.link-card.is-static:hover {
    transform: none;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    border-color: rgba(255, 255, 255, 0.05);
    background-color: var(--card-bg);
}

.link-card.is-static:hover::before {
    opacity: 0;
}

.link-card.is-static:hover .icon-box {
    background: rgba(255, 255, 255, 0.05);
    color: var(--primary-color);
}

.link-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, var(--gradient-1), var(--gradient-2));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.link-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    border-color: rgba(96, 165, 250, 0.32);
    background-color: rgba(255, 255, 255, 0.06);
}

.link-card:hover::before {
    opacity: 1;
}

.link-content {
    display: flex;
    align-items: center;
    gap: 15px;
    flex: 1;
}

.icon-box {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

#planos .icon-box,
#demos .icon-box {
    margin-right: 14px;
}

.link-card:hover .icon-box {
    background: var(--primary-color);
    color: #fff;
}

.text-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.text-content h3 {
    color: var(--text-color);
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
}

.text-content p {
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin: 0;
}

.text-content span {
    color: #cbd5e1;
    font-size: 0.85rem;
    line-height: 1.4;
}

.card-top {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
}

.price {
    font-weight: 800;
    letter-spacing: 0.2px;
    color: rgba(248, 250, 252, 0.95);
    background: rgba(96, 165, 250, 0.12);
    border: 1px solid rgba(96, 165, 250, 0.22);
    padding: 6px 10px;
    border-radius: 999px;
    white-space: nowrap;
}

.subtitle {
    color: rgba(203, 213, 225, 0.95);
    font-size: 0.86rem;
    line-height: 1.35;
}

.meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 12px;
    margin-top: 10px;
    color: rgba(148, 163, 184, 0.95);
    font-size: 0.78rem;
}

.meta span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.meta i {
    color: rgba(125, 211, 252, 0.95);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.1em;
    height: 1.1em;
    line-height: 1;
    flex: 0 0 1.1em;
}

.arrow-icon {
    color: var(--text-secondary);
    font-size: 0.9rem;
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
}

.link-card:hover .arrow-icon {
    opacity: 1;
    transform: translateX(0);
    color: var(--primary-color);
}

.link-card.cta-whatsapp {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.18), rgba(96, 165, 250, 0.12));
    border-color: rgba(34, 197, 94, 0.22);
}

.link-card.cta-whatsapp::before {
    opacity: 1;
    background: linear-gradient(to bottom, rgba(34, 197, 94, 0.9), rgba(14, 165, 233, 0.9));
}

.link-card.cta-whatsapp .icon-box {
    background: rgba(34, 197, 94, 0.18);
    color: rgba(34, 197, 94, 0.95);
}

.link-card.cta-whatsapp:hover {
    border-color: rgba(34, 197, 94, 0.35);
    background-color: #26354a;
}

.info-box {
    margin-top: 12px;
    padding: 14px 14px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: left;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.info-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
}

.info-row + .info-row {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.info-row span {
    display: inline-flex;
    gap: 10px;
    align-items: center;
    line-height: 1.3;
    color: rgba(203, 213, 225, 0.85);
}

.info-row i {
    color: var(--accent-color);
}

.info-row.subtle span {
    color: rgba(148, 163, 184, 0.92);
}

.how-it-works {
    width: 100%;
    margin-top: 12px;
    padding: 14px 14px 12px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.how-it-works h2 {
    font-size: 0.95rem;
    font-weight: 800;
    color: rgba(248, 250, 252, 0.95);
    margin-bottom: 12px;
}

.steps {
    display: grid;
    gap: 10px;
}

.step {
    display: grid;
    grid-template-columns: 40px 1fr;
    gap: 12px;
    padding: 12px 12px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.step-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(96, 165, 250, 0.12);
    border: 1px solid rgba(96, 165, 250, 0.18);
    color: rgba(125, 211, 252, 0.95);
}

.step-text h3,
.step-text h4 {
    font-size: 0.9rem;
    font-weight: 800;
    color: rgba(248, 250, 252, 0.95);
    margin-bottom: 4px;
}

.step-text p {
    font-size: 0.85rem;
    color: rgba(148, 163, 184, 0.98);
    line-height: 1.35;
}

/* Footer */
footer {
    margin-top: 3rem;
    text-align: center;
    width: 100%;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.social-links a {
    color: var(--text-secondary);
    font-size: 1.4rem;
    transition: all 0.3s ease;
    opacity: 0.7;
}

.social-links a:hover {
    transform: scale(1.1);
    opacity: 1;
    color: var(--accent-color);
}

footer p {
    font-size: 0.8rem;
    color: rgba(203, 213, 225, 0.86);
    opacity: 1;
}

/* GitHub Watermark */
.github-watermark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    gap: 6px;
    color: rgba(203, 213, 225, 0.8);
    font-size: 0.75rem;
    text-decoration: none;
    transition: all 0.3s ease;
    margin-top: 15px;
}

.github-watermark:hover {
    color: rgba(248, 250, 252, 0.92);
    transform: scale(1.05);
}

.mobile-cta {
    display: none;
    position: fixed;
    left: clamp(8px, 3vw, 12px);
    right: clamp(8px, 3vw, 12px);
    bottom: clamp(8px, 3vw, 12px);
    z-index: 1200;
    padding: clamp(8px, 2.6vw, 10px);
    border-radius: clamp(14px, 4vw, 18px);
    background: rgba(15, 23, 42, 0.82);
    border: 1px solid rgba(255, 255, 255, 0.10);
    box-shadow: 0 18px 55px rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(14px);
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(8px, 2.6vw, 10px);
    padding-bottom: calc(clamp(8px, 2.6vw, 10px) + env(safe-area-inset-bottom));
}

.mobile-cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: clamp(6px, 2vw, 8px);
    padding: clamp(10px, 3.2vw, 12px) clamp(10px, 3.2vw, 12px);
    border-radius: clamp(12px, 3.4vw, 14px);
    font-weight: 900;
    font-size: clamp(0.82rem, 3.6vw, 0.92rem);
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    user-select: none;
    font-family: inherit;
    min-width: 0;
    white-space: nowrap;
}

.mobile-cta-primary {
    background: rgba(96, 165, 250, 0.22);
    border-color: rgba(96, 165, 250, 0.35);
    color: rgba(255, 255, 255, 0.95);
}

.mobile-cta-secondary {
    background: rgba(34, 197, 94, 0.18);
    border-color: rgba(34, 197, 94, 0.30);
    color: rgba(240, 253, 244, 0.95);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    animation: fadeIn 0.8s ease forwards;
}

.animate-slide-up {
    opacity: 0;
    animation: slideUp 0.6s ease forwards;
}

/* Responsive adjustments */
@media (max-width: 360px) {
    .container {
        padding: 0 10px;
    }
    
    .link-card {
        padding: 12px 15px;
    }
    
    .icon-box {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    
    .profile-section h1 {
        font-size: 1.2rem;
    }

    .price {
        padding: 5px 8px;
        font-size: 0.8rem;
    }

    .mobile-cta {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 900px) {
    body {
        padding-bottom: calc(112px + env(safe-area-inset-bottom));
    }
    .topbar-inner {
        padding: 12px 1rem;
        position: relative;
    }
    .container {
        padding: 1.5rem 1rem;
    }
    .hero {
        padding-top: 22px;
    }
    .hero-grid {
        grid-template-columns: 1fr;
    }
    .grid-2 {
        grid-template-columns: 1fr;
    }
    .about-grid {
        grid-template-columns: 1fr;
    }
    .maint-grid {
        grid-template-columns: 1fr;
    }
    .form-grid {
        grid-template-columns: 1fr;
    }
    .check-grid {
        grid-template-columns: 1fr;
    }
    .conversion-band .band-inner {
        grid-template-columns: 1fr;
    }
    .conversion-band .band-actions {
        justify-content: flex-start;
    }
    .modal {
        padding: 12px;
        padding-top: calc(12px + env(safe-area-inset-top));
        padding-bottom: calc(12px + env(safe-area-inset-bottom));
    }
    .modal-head {
        padding: 12px 12px;
    }
    .modal-body {
        padding: 12px 12px 14px;
    }
    .modal-foot {
        padding: 12px 12px 12px;
    }
    .modal-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .modal-actions .button {
        width: 100%;
    }
    .nav-toggle {
        display: inline-flex;
    }
    .nav {
        position: fixed;
        top: 72px;
        left: 12px;
        right: 12px;
        max-width: 560px;
        margin: 0 auto;
        padding: 10px;
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
        background: rgba(20, 30, 51, 0.94);
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: 16px;
        box-shadow: 0 18px 55px rgba(0, 0, 0, 0.45);
        backdrop-filter: blur(14px);
        opacity: 0;
        pointer-events: none;
        transform: translateY(-10px) scale(0.98);
        transition: opacity 0.18s ease, transform 0.18s ease;
        overflow: auto;
        max-height: calc(100vh - 96px);
    }
    .nav-toggle-input:checked ~ .nav {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0) scale(1);
    }
    .nav a {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        padding: 8px 10px;
        font-size: 0.88rem;
    }
    .hero-copy h1 {
        font-size: 1.8rem;
    }
    .mobile-cta {
        display: grid;
    }
}