/* ============ Base ============ */
:root {
    --dark: #0b0e14;
    --dark-2: #12161f;
    --dark-card: #1a2029;
    --light: #ffffff;
    --light-bg: #f6f7fb;
    --text-dark: #14181f;
    --text-body: #4b5563;
    --text-light: #e5e9f0;
    --text-muted: #9aa4b2;
    --accent-1: #6366f1;
    --accent-2: #22d3ee;
    --gradient: linear-gradient(120deg, var(--accent-1), var(--accent-2));
    --radius: 18px;
    --shadow: 0 20px 50px rgba(10, 15, 30, .12);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-dark);
    background: var(--light);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

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

img { max-width: 100%; }

::selection { background: var(--accent-1); color: #fff; }

/* ============ Typography helpers ============ */
.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* ============ Buttons ============ */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 15px;
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
    cursor: pointer;
    white-space: nowrap;
}

.btn--primary {
    background: var(--gradient);
    color: #fff;
    box-shadow: 0 10px 30px rgba(99, 102, 241, .35);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 40px rgba(99, 102, 241, .45);
}

.btn--outline {
    border: 1.5px solid rgba(255, 255, 255, .25);
    color: #fff;
}

.btn--outline:hover {
    border-color: rgba(255, 255, 255, .6);
    transform: translateY(-2px);
}

.btn--outline-light {
    border: 1.5px solid rgba(20, 24, 31, .2);
    color: var(--text-dark);
}

.btn--outline-light:hover {
    border-color: var(--accent-1);
    color: var(--accent-1);
    transform: translateY(-2px);
}

.btn--small { padding: 10px 22px; font-size: 14px; }

/* ============ Header ============ */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: rgba(11, 14, 20, .75);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 20px;
    letter-spacing: -.3px;
}

.logo__mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: var(--gradient);
    color: #fff;
    font-size: 18px;
    font-weight: 800;
}

.logo__accent { color: var(--accent-2); }

.logo__text { color: #fff; }

.nav {
    display: flex;
    gap: 32px;
}

.nav a {
    color: var(--text-light);
    font-size: 15px;
    font-weight: 500;
    opacity: .8;
    transition: opacity .2s;
}

.nav a:hover { opacity: 1; }

/* ============ Hero ============ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--dark);
    color: #fff;
    overflow: hidden;
    padding: 120px 0 80px;
}

.hero__bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero__glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    opacity: .5;
}

.hero__glow--1 {
    width: 560px; height: 560px;
    background: var(--accent-1);
    top: -180px; right: -120px;
}

.hero__glow--2 {
    width: 460px; height: 460px;
    background: #312e81;
    bottom: -200px; left: -100px;
}

.hero__grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
}

.hero__inner { position: relative; }

.hero__tagline {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 100px;
    border: 1px solid rgba(255, 255, 255, .18);
    background: rgba(255, 255, 255, .06);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: .4px;
    color: var(--text-light);
    margin-bottom: 28px;
}

.hero__title {
    font-size: clamp(38px, 6vw, 68px);
    line-height: 1.12;
    font-weight: 800;
    letter-spacing: -1.5px;
    margin-bottom: 24px;
}

.hero__subtitle {
    max-width: 620px;
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 36px;
}

.hero__actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 72px;
}

.hero__stats {
    display: flex;
    gap: 48px;
    flex-wrap: wrap;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, .1);
}

.hero__stat { display: flex; flex-direction: column; gap: 2px; }

.hero__stat-num {
    font-size: 34px;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero__stat-label {
    font-size: 14px;
    color: var(--text-muted);
}

/* ============ Sections ============ */
.section {
    padding: 110px 0;
}

.section--dark {
    background: var(--dark-2);
    color: #fff;
}

.section__head { max-width: 720px; margin-bottom: 56px; }

.section__eyebrow {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--accent-1);
    margin-bottom: 14px;
}

.section--dark .section__eyebrow { color: var(--accent-2); }

.section__title {
    font-size: clamp(30px, 4.4vw, 46px);
    line-height: 1.18;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 18px;
}

.section__desc {
    font-size: 17px;
    color: var(--text-body);
    max-width: 620px;
}

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

/* ============ Services ============ */
.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--light-bg);
    border-radius: var(--radius);
    padding: 34px 30px;
    transition: transform .25s ease, box-shadow .25s ease;
    border: 1px solid transparent;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow);
    border-color: rgba(99, 102, 241, .2);
}

.service-card__icon {
    font-size: 34px;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(99, 102, 241, .12), rgba(34, 211, 238, .12));
    margin-bottom: 22px;
}

.service-card h3 {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 10px;
}

.service-card p {
    font-size: 15px;
    color: var(--text-body);
}

/* ============ Projects ============ */
.projects__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.project-card {
    display: flex;
    flex-direction: column;
    background: var(--dark-card);
    border: 1px solid rgba(255, 255, 255, .07);
    border-radius: var(--radius);
    padding: 30px;
    transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}

.project-card:hover {
    transform: translateY(-6px);
    border-color: rgba(34, 211, 238, .4);
    box-shadow: 0 20px 50px rgba(0, 0, 0, .35);
}

.project-card__head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}

.project-card__head h3 {
    font-size: 22px;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.project-card__link {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 600;
}

.project-card__desc {
    font-size: 15px;
    color: var(--text-light);
    opacity: .85;
    margin-bottom: 16px;
    flex-grow: 1;
}

.project-card__soon {
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 16px;
    padding: 7px 14px;
    border-radius: 100px;
    background: rgba(34, 211, 238, .1);
    color: var(--accent-2);
    border: 1px dashed rgba(34, 211, 238, .35);
    align-self: flex-start;
}

.project-card__tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.project-card__tags span {
    font-size: 12px;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: 100px;
    background: rgba(99, 102, 241, .14);
    color: #a5b4fc;
    border: 1px solid rgba(99, 102, 241, .25);
}

/* ============ Clients ============ */
.clients__row { margin-bottom: 40px; }

.client-card {
    display: flex;
    align-items: center;
    gap: 26px;
    background: var(--light-bg);
    border: 1px solid transparent;
    border-radius: var(--radius);
    padding: 30px 34px;
    transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}

.client-card:hover {
    transform: translateY(-4px);
    border-color: rgba(99, 102, 241, .25);
    box-shadow: var(--shadow);
}

.client-card__logo {
    flex-shrink: 0;
    width: 74px;
    height: 74px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    background: linear-gradient(135deg, #4dd8c0, #2563eb);
    color: #fff;
    font-size: 34px;
    font-weight: 800;
}

.client-card__body { flex-grow: 1; }

.client-card__body h3 {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 6px;
}

.client-card__body p {
    font-size: 15px;
    color: var(--text-body);
}

.client-card__link {
    font-size: 14px;
    font-weight: 700;
    color: var(--accent-1);
    white-space: nowrap;
}

.clients__cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
    padding: 32px 34px;
    border-radius: var(--radius);
    background: var(--light-bg);
}

.clients__cta p {
    font-size: 19px;
    font-weight: 700;
}

/* ============ Features ============ */
.features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px 48px;
}

.feature {
    display: flex;
    gap: 20px;
}

.feature__num {
    flex-shrink: 0;
    font-size: 15px;
    font-weight: 800;
    color: var(--accent-2);
    padding-top: 5px;
}

.feature h3 {
    font-size: 19px;
    font-weight: 800;
    margin-bottom: 8px;
}

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

/* ============ Contacts ============ */
.contacts {
    background: linear-gradient(180deg, var(--light) 0%, var(--light-bg) 100%);
}

.contacts__inner {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 56px;
    align-items: center;
}

.contacts__text p {
    font-size: 17px;
    color: var(--text-body);
    margin-bottom: 14px;
}

.contacts__card {
    background: var(--dark);
    color: #fff;
    border-radius: var(--radius);
    padding: 44px 40px;
    text-align: center;
    box-shadow: var(--shadow);
}

.email-robot {
    display: inline-block;
    font-size: 24px;
    font-weight: 800;
    letter-spacing: .5px;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    cursor: pointer;
    transition: transform .2s ease;
    user-select: none;
}

.email-robot:hover { transform: scale(1.04); }

.contacts__note {
    margin-top: 18px;
    font-size: 14px;
    color: var(--text-muted);
}

/* ============ Footer ============ */
.footer {
    background: var(--dark);
    color: var(--text-light);
    padding: 48px 0;
}

.footer__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
}

.footer__brand p {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 6px;
}

.footer__links {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
}

.footer__links a {
    font-size: 14px;
    color: var(--text-muted);
    transition: color .2s;
}

.footer__links a:hover { color: #fff; }

.footer__copy {
    font-size: 13px;
    color: var(--text-muted);
    width: 100%;
    border-top: 1px solid rgba(255, 255, 255, .08);
    padding-top: 24px;
    margin-top: 8px;
}

/* ============ Reveal animations ============ */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity .7s ease, transform .7s ease;
}

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

/* ============ Responsive ============ */
@media (max-width: 900px) {
    .nav { display: none; }
    .contacts__inner { grid-template-columns: 1fr; }
    .hero__stats { gap: 32px; }
}

@media (max-width: 560px) {
    .hero__actions .btn { width: 100%; text-align: center; }
    .hero__stat-num { font-size: 28px; }
    .client-card { flex-direction: column; align-items: flex-start; }
    .header__inner .btn { display: none; }
    .section { padding: 72px 0; }
}