/* ==========================================================================
   Bencosys Tecnologia — Site institucional
   Design moderno, limpo e elegante. Identidade azul da marca.
   ========================================================================== */

:root {
    --color-primary: #00b0ff;
    --color-primary-dark: #0091ea;
    --color-primary-light: #40c4ff;
    --color-accent: #18ffff;
    --color-bg: #060914;
    --color-bg-soft: #0b1020;
    --color-bg-card: rgba(255, 255, 255, 0.04);
    --color-bg-card-hover: rgba(255, 255, 255, 0.06);
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-strong: rgba(0, 176, 255, 0.35);
    --color-text: #e7ecf3;
    --color-text-soft: #a2adbf;
    --color-text-muted: #6b7689;

    --gradient-brand: linear-gradient(135deg, #00b0ff 0%, #18ffff 100%);
    --gradient-brand-soft: linear-gradient(135deg, rgba(0, 176, 255, 0.15) 0%, rgba(24, 255, 255, 0.08) 100%);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 25px 60px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 60px rgba(0, 176, 255, 0.25);

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-xl: 30px;

    --container: 1200px;
    --transition: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
    --transition-fast: 0.2s ease;

    --header-h: 76px;

    --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

/* ============== Base reset ============== */

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.65;
    color: var(--color-text);
    background: var(--color-bg);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

button {
    font-family: inherit;
    border: none;
    background: none;
    cursor: pointer;
    color: inherit;
}

ul,
ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    margin: 0;
    line-height: 1.15;
    font-weight: 700;
    letter-spacing: -0.02em;
}

p {
    margin: 0;
}

::selection {
    background: var(--color-primary);
    color: #001020;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 176, 255, 0.25);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 176, 255, 0.45);
}

/* ============== Background decorativo ============== */

.bg-grid {
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
    mask-image: radial-gradient(ellipse at top, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at top, black 0%, transparent 70%);
}

.bg-glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
    z-index: 0;
    opacity: 0.5;
}

.bg-glow--1 {
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 176, 255, 0.4) 0%, transparent 70%);
}

.bg-glow--2 {
    bottom: 10%;
    left: -250px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(24, 255, 255, 0.25) 0%, transparent 70%);
}

/* ============== Layout helpers ============== */

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

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

.eyebrow {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 18px;
}

.eyebrow--light {
    color: var(--color-text);
    opacity: 0.9;
}

/* ============== Header ============== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    transition: background var(--transition), border-color var(--transition), backdrop-filter var(--transition);
    border-bottom: 1px solid transparent;
}

.header.is-scrolled {
    background: rgba(6, 9, 20, 0.75);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom-color: var(--color-border);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-h);
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    transition: transform var(--transition-fast);
}

.brand:hover {
    transform: translateY(-1px);
}

.brand__logo {
    height: 36px;
    width: auto;
    display: block;
    filter: drop-shadow(0 4px 12px rgba(0, 176, 255, 0.35));
}

.nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav__link {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text-soft);
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast), background var(--transition-fast);
    position: relative;
}

.nav__link:hover {
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.03);
}

.nav__link--cta {
    background: var(--gradient-brand);
    color: #001020 !important;
    font-weight: 600;
    margin-left: 8px;
    padding: 10px 20px;
    border-radius: 999px;
    box-shadow: 0 6px 20px rgba(0, 176, 255, 0.35);
}

.nav__link--cta:hover {
    background: var(--gradient-brand);
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(0, 176, 255, 0.5);
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.nav-toggle:hover {
    background: rgba(255, 255, 255, 0.05);
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ============== Buttons ============== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 999px;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
    border: 1px solid transparent;
    white-space: nowrap;
}

.btn--primary {
    background: var(--gradient-brand);
    color: #001020;
    box-shadow: 0 8px 24px rgba(0, 176, 255, 0.35);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 34px rgba(0, 176, 255, 0.5);
}

.btn--ghost {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}

.btn--ghost:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--color-border-strong);
    color: var(--color-primary-light);
}

.btn--block {
    width: 100%;
}

/* ============== Hero ============== */

.hero {
    position: relative;
    padding: calc(var(--header-h) + 60px) 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero__container {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero__content {
    max-width: 640px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-soft);
    margin-bottom: 28px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.badge__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(0, 176, 255, 0.2);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 4px rgba(0, 176, 255, 0.2); }
    50% { box-shadow: 0 0 0 8px rgba(0, 176, 255, 0.05); }
}

.hero__title {
    font-size: clamp(2.4rem, 5vw, 4rem);
    line-height: 1.05;
    margin-bottom: 24px;
    font-weight: 800;
}

.hero__subtitle {
    font-size: clamp(1rem, 1.4vw, 1.18rem);
    color: var(--color-text-soft);
    margin-bottom: 36px;
    max-width: 580px;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 56px;
}

.hero__stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    padding-top: 36px;
    border-top: 1px solid var(--color-border);
}

.stat__num {
    font-size: clamp(1.8rem, 2.4vw, 2.4rem);
    font-weight: 800;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1;
    margin-bottom: 6px;
    font-feature-settings: "tnum";
}

.stat__label {
    font-size: 13px;
    color: var(--color-text-muted);
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

/* Hero visual / terminal */

.hero__visual {
    position: relative;
}

.hero__card {
    background: linear-gradient(160deg, rgba(20, 26, 45, 0.95), rgba(8, 12, 24, 0.95));
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transform: perspective(1200px) rotateY(-4deg) rotateX(2deg);
    transition: transform var(--transition);
}

.hero__card:hover {
    transform: perspective(1200px) rotateY(-2deg) rotateX(1deg) translateY(-4px);
}

.hero__card-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.025);
    border-bottom: 1px solid var(--color-border);
}

.dot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
}

.dot--red { background: #ff5f56; }
.dot--yellow { background: #ffbd2e; }
.dot--green { background: #27c93f; }

.hero__card-title {
    margin-left: 12px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--color-text-muted);
}

.hero__card-body {
    padding: 24px;
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 2;
    min-height: 260px;
    display: flex;
    flex-direction: column;
}

.line {
    display: block;
}

.prompt {
    color: var(--color-primary);
    font-weight: 700;
    margin-right: 8px;
}

.cmd {
    color: var(--color-text);
}

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

.success {
    color: #27c93f;
}

.caret {
    display: inline-block;
    color: var(--color-primary);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 49% { opacity: 1; }
    50%, 100% { opacity: 0; }
}

.floating-tag {
    position: absolute;
    background: rgba(11, 16, 32, 0.85);
    border: 1px solid var(--color-border-strong);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 10px 16px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text);
    box-shadow: var(--shadow-md);
    animation: float 5s ease-in-out infinite;
}

.floating-tag strong {
    color: var(--color-primary);
    font-weight: 700;
    margin-right: 4px;
}

.floating-tag--1 {
    top: 10%;
    left: -30px;
    animation-delay: 0s;
}

.floating-tag--2 {
    bottom: 12%;
    right: -20px;
    animation-delay: 1.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.hero__scroll {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    width: 26px;
    height: 42px;
    border: 2px solid var(--color-border);
    border-radius: 999px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
    opacity: 0.5;
}

.hero__scroll span {
    width: 4px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(14px); opacity: 0; }
}

/* ============== Sections ============== */

.section {
    padding: 110px 0;
    position: relative;
}

.section--alt {
    background: linear-gradient(180deg, transparent 0%, rgba(11, 16, 32, 0.5) 50%, transparent 100%);
}

.section--cta {
    padding: 110px 0;
}

.section__head {
    max-width: 760px;
    margin: 0 auto 64px;
    text-align: center;
}

.section__title {
    font-size: clamp(2rem, 3.5vw, 3rem);
    margin-bottom: 20px;
    font-weight: 800;
}

.section__lead {
    font-size: clamp(1rem, 1.2vw, 1.12rem);
    color: var(--color-text-soft);
    max-width: 640px;
    margin: 0 auto;
}

/* ============== About cards ============== */

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
}

.about-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 38px 32px;
    transition: transform var(--transition), border-color var(--transition), background var(--transition);
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--gradient-brand-soft);
    opacity: 0;
    transition: opacity var(--transition);
    pointer-events: none;
}

.about-card:hover {
    transform: translateY(-6px);
    border-color: var(--color-border-strong);
    background: var(--color-bg-card-hover);
}

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

.about-card > * {
    position: relative;
    z-index: 1;
}

.about-card__icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: var(--gradient-brand);
    color: #001020;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    box-shadow: 0 10px 24px rgba(0, 176, 255, 0.3);
}

.about-card h3 {
    font-size: 1.35rem;
    margin-bottom: 12px;
}

.about-card p {
    color: var(--color-text-soft);
    line-height: 1.65;
}

/* ============== Services ============== */

.services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
}

.service-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 38px 32px;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition), border-color var(--transition);
}

.service-card:hover {
    transform: translateY(-6px);
    border-color: var(--color-border-strong);
}

.service-card--featured {
    background: linear-gradient(160deg, rgba(0, 176, 255, 0.10), rgba(24, 255, 255, 0.04));
    border-color: var(--color-border-strong);
}

.service-card--featured::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-brand);
}

.service-card__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.service-card__icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    background: rgba(0, 176, 255, 0.12);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(0, 176, 255, 0.25);
}

.service-card--featured .service-card__icon {
    background: var(--gradient-brand);
    color: #001020;
    border-color: transparent;
    box-shadow: 0 10px 24px rgba(0, 176, 255, 0.35);
}

.service-card__tag {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-primary);
    padding: 6px 12px;
    background: rgba(0, 176, 255, 0.1);
    border-radius: 999px;
    border: 1px solid rgba(0, 176, 255, 0.2);
}

.service-card h3 {
    font-size: 1.45rem;
    margin-bottom: 14px;
}

.service-card > p {
    color: var(--color-text-soft);
    margin-bottom: 22px;
}

.service-card__list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.service-card__list li {
    position: relative;
    padding-left: 24px;
    color: var(--color-text-soft);
    font-size: 14.5px;
}

.service-card__list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 9px;
    width: 14px;
    height: 6px;
    border-left: 2px solid var(--color-primary);
    border-bottom: 2px solid var(--color-primary);
    transform: rotate(-45deg);
}

/* ============== Values ============== */

.values {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 28px;
}

.value {
    padding: 36px 28px;
    border-radius: var(--radius-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
    transition: transform var(--transition), border-color var(--transition);
}

.value:hover {
    transform: translateY(-4px);
    border-color: var(--color-border-strong);
}

.value__num {
    display: block;
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 18px;
    letter-spacing: 0.1em;
}

.value h3 {
    font-size: 1.35rem;
    margin-bottom: 12px;
}

.value p {
    color: var(--color-text-soft);
    font-size: 15px;
}

/* ============== Process ============== */

.process {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 28px;
    counter-reset: step;
    position: relative;
}

.process__step {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    position: relative;
    transition: transform var(--transition), border-color var(--transition);
}

.process__step:hover {
    transform: translateY(-4px);
    border-color: var(--color-border-strong);
}

.process__num {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-brand);
    color: #001020;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 18px;
    margin-bottom: 22px;
    box-shadow: 0 8px 20px rgba(0, 176, 255, 0.3);
}

.process__step h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.process__step p {
    color: var(--color-text-soft);
    font-size: 15px;
}

/* ============== CTA / Form ============== */

.cta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    background: linear-gradient(160deg, rgba(0, 176, 255, 0.08), rgba(24, 255, 255, 0.04));
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-xl);
    padding: 64px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.cta::before {
    content: "";
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 176, 255, 0.18) 0%, transparent 70%);
    pointer-events: none;
}

.cta__content,
.cta .form {
    position: relative;
    z-index: 1;
}

.cta__title {
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    margin-bottom: 18px;
    font-weight: 800;
}

.cta__text {
    color: var(--color-text-soft);
    font-size: 1.05rem;
    margin-bottom: 32px;
    max-width: 480px;
}

.cta__contacts {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.cta__contact {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.cta__contact:hover {
    transform: translateX(4px);
    border-color: var(--color-border-strong);
    background: var(--color-bg-card-hover);
}

.cta__contact svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

.cta__contact-label {
    display: block;
    font-size: 12px;
    color: var(--color-text-muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 2px;
}

.cta__contact-value {
    display: block;
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text);
}

/* ============== Form ============== */

.form {
    display: flex;
    flex-direction: column;
    gap: 18px;
    background: rgba(6, 9, 20, 0.5);
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.form__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form__field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form__field span {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
    letter-spacing: 0.02em;
}

.form__field small {
    color: var(--color-text-muted);
    font-weight: 400;
    margin-left: 4px;
}

.form__field input,
.form__field textarea {
    width: 100%;
    padding: 13px 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-family: inherit;
    font-size: 15px;
    transition: border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
    resize: vertical;
}

.form__field input::placeholder,
.form__field textarea::placeholder {
    color: var(--color-text-muted);
}

.form__field input:focus,
.form__field textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 0 0 4px rgba(0, 176, 255, 0.12);
}

.form__note {
    font-size: 14px;
    color: var(--color-text-soft);
    margin-top: 4px;
    min-height: 20px;
}

.form__note.is-success {
    color: #27c93f;
}

.form__note.is-error {
    color: #ff5f56;
}

/* ============== Footer ============== */

.footer {
    border-top: 1px solid var(--color-border);
    padding-top: 80px;
    background: linear-gradient(180deg, transparent, rgba(0, 176, 255, 0.03));
    margin-top: 60px;
    position: relative;
    z-index: 1;
}

.footer__inner {
    display: grid;
    grid-template-columns: 1.4fr 2fr;
    gap: 60px;
    padding-bottom: 60px;
}

.footer__brand p {
    color: var(--color-text-soft);
    margin-top: 18px;
    max-width: 380px;
    font-size: 15px;
}

.footer__logo {
    height: 52px;
    width: auto;
    filter: drop-shadow(0 4px 12px rgba(0, 176, 255, 0.3));
}

.footer__cols {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.footer__col h4 {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 18px;
    color: var(--color-text);
}

.footer__col a {
    display: block;
    color: var(--color-text-soft);
    font-size: 15px;
    padding: 6px 0;
    transition: color var(--transition-fast), padding var(--transition-fast);
}

.footer__col a:hover {
    color: var(--color-primary);
    padding-left: 4px;
}

.footer__bottom {
    border-top: 1px solid var(--color-border);
    padding: 24px 0;
}

.footer__bottom .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--color-text-muted);
    font-size: 14px;
    flex-wrap: wrap;
    gap: 12px;
}

.footer__tag {
    color: var(--color-primary);
}

/* ============== Back to top ============== */

.back-to-top {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-brand);
    color: #001020;
    box-shadow: 0 10px 24px rgba(0, 176, 255, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 90;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
}

.back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 32px rgba(0, 176, 255, 0.55);
}

/* ============== Reveal animation ============== */

.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1), transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
    transition-delay: 0ms;
    will-change: opacity, transform;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============== Responsive ============== */

@media (max-width: 980px) {

    .hero {
        padding: calc(var(--header-h) + 40px) 0 60px;
        min-height: auto;
    }

    .hero__container {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .hero__visual {
        order: -1;
        max-width: 480px;
        margin: 0 auto;
        width: 100%;
    }

    .hero__card {
        transform: none;
    }

    .hero__card:hover {
        transform: translateY(-4px);
    }

    .hero__scroll {
        display: none;
    }

    .cta {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 44px 32px;
    }

    .footer__inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .section {
        padding: 80px 0;
    }
}

@media (max-width: 720px) {
    .nav {
        position: fixed;
        top: var(--header-h);
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        padding: 24px;
        background: rgba(6, 9, 20, 0.96);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-12px);
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
        max-height: calc(100vh - var(--header-h));
        overflow-y: auto;
    }

    .nav.is-open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .nav__link {
        padding: 14px 16px;
        font-size: 16px;
        border-radius: var(--radius-md);
    }

    .nav__link--cta {
        margin: 8px 0 0;
        text-align: center;
    }

    .nav-toggle {
        display: flex;
    }

    .brand__logo {
        height: 32px;
    }

    .footer__logo {
        height: 48px;
    }

    .hero__title {
        font-size: clamp(2rem, 8vw, 2.8rem);
    }

    .hero__stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }

    .stat__num {
        font-size: 1.5rem;
    }

    .stat__label {
        font-size: 11px;
    }

    .floating-tag--1 {
        left: 0;
        top: -20px;
    }

    .floating-tag--2 {
        right: 0;
        bottom: -20px;
    }

    .form {
        padding: 24px;
    }

    .form__row {
        grid-template-columns: 1fr;
    }

    .footer__cols {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }

    .footer__bottom .container {
        flex-direction: column;
        text-align: center;
    }

    .cta {
        padding: 36px 24px;
    }

    .section__head {
        margin-bottom: 48px;
    }
}

@media (max-width: 460px) {
    .container {
        padding: 0 18px;
    }

    .hero__actions {
        flex-direction: column;
        width: 100%;
    }

    .hero__actions .btn {
        width: 100%;
    }

    .footer__cols {
        grid-template-columns: 1fr;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}