/* ==========================================
   KIRCHHOFF DEV SYSTEM
   Main stylesheet
========================================== */


/* ---------- VARIABLES ---------- */

:root {
    --bg: #070b1d;
    --bg-secondary: #0b1028;
    --bg-card: #0e1430;

    --blue: #101b43;
    --blue-light: #18265a;

    --pink: #ff3f91;
    --pink-light: #ff70ad;

    --white: #ffffff;
    --text: #e9ecf7;
    --muted: #9299b4;

    --border: rgba(255, 255, 255, 0.09);

    --gradient: linear-gradient(
        135deg,
        #ff3f91 0%,
        #a846ff 100%
    );

    --container: 1180px;

    --font-main: "Inter", sans-serif;
    --font-display: "Space Grotesk", sans-serif;
}


/* ---------- RESET ---------- */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background: var(--bg);
    color: var(--text);
    overflow-x: hidden;
}

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

button {
    font-family: inherit;
}

.container {
    width: min(var(--container), calc(100% - 48px));
    margin: 0 auto;
}


/* ---------- HEADER ---------- */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;

    background: rgba(7, 11, 29, 0.78);
    border-bottom: 1px solid rgba(255,255,255,.06);

    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.nav {
    min-height: 82px;

    display: flex;
    align-items: center;
    justify-content: space-between;
}


/* LOGO */

.logo {
    display: flex;
    align-items: center;
    gap: 11px;
}

.logo-symbol {
    width: 39px;
    height: 39px;

    display: grid;
    place-items: center;

    border-radius: 10px;

    color: white;
    font-family: monospace;
    font-size: 15px;
    font-weight: bold;

    background: var(--gradient);

    box-shadow: 0 0 30px rgba(255, 63, 145, .2);
}

.logo strong {
    display: block;

    color: white;
    font-family: var(--font-display);
    font-size: 17px;
    letter-spacing: -.4px;
}

.logo small {
    display: block;

    margin-top: 1px;

    color: var(--pink);
    font-size: 7px;
    font-weight: 700;
    letter-spacing: 2.2px;
}


/* MENU */

.menu {
    display: flex;
    align-items: center;
    gap: 34px;
}

.menu a {
    color: #aeb4ca;
    font-size: 13px;
    font-weight: 500;

    transition: .3s ease;
}

.menu a:hover {
    color: white;
}

.menu .nav-button {
    padding: 11px 19px;

    border: 1px solid rgba(255, 63, 145, .4);
    border-radius: 8px;

    color: white;

    background: rgba(255, 63, 145, .08);
}

.menu .nav-button:hover {
    background: var(--pink);
    border-color: var(--pink);
}


/* MOBILE MENU BUTTON */

.menu-toggle {
    display: none;

    width: 42px;
    height: 42px;

    border: 1px solid var(--border);
    border-radius: 9px;

    background: transparent;

    cursor: pointer;
}

.menu-toggle span {
    display: block;

    width: 19px;
    height: 2px;

    margin: 4px auto;

    border-radius: 2px;

    background: white;

    transition: .3s;
}


/* ---------- HERO ---------- */

.hero {
    position: relative;
    min-height: 790px;

    display: flex;
    align-items: center;

    padding-top: 100px;

    overflow: hidden;

    background:
        radial-gradient(
            circle at 80% 45%,
            rgba(50, 65, 150, .18),
            transparent 32%
        ),
        var(--bg);
}

.hero-grid {
    position: absolute;
    inset: 0;

    opacity: .24;

    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: 55px 55px;

    mask-image: linear-gradient(
        to bottom,
        black,
        transparent 85%
    );
}

.hero-content {
    position: relative;
    z-index: 2;

    display: grid;
    grid-template-columns: 1fr .9fr;
    gap: 70px;

    align-items: center;
}


/* GLOWS */

.hero-glow {
    position: absolute;

    width: 420px;
    height: 420px;

    border-radius: 50%;

    filter: blur(110px);

    pointer-events: none;
}

.glow-one {
    right: -180px;
    top: 150px;

    background: rgba(255, 63, 145, .12);
}

.glow-two {
    left: -250px;
    bottom: -300px;

    background: rgba(37, 80, 255, .12);
}


/* BADGE */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 9px;

    margin-bottom: 25px;
    padding: 8px 13px;

    border: 1px solid rgba(255,255,255,.09);
    border-radius: 30px;

    color: #aeb5ca;
    font-size: 11px;

    background: rgba(255,255,255,.035);
}

.status-dot {
    width: 6px;
    height: 6px;

    border-radius: 50%;

    background: #42e89d;

    box-shadow: 0 0 12px #42e89d;
}


/* HERO TITLE */

.hero h1 {
    max-width: 690px;

    font-family: var(--font-display);
    font-size: clamp(46px, 5.2vw, 76px);
    line-height: 1.01;
    letter-spacing: -3.8px;
    font-weight: 700;
}

.hero h1 span {
    color: var(--pink);
}

.hero-text > p {
    max-width: 570px;

    margin-top: 27px;

    color: var(--muted);
    font-size: 16px;
    line-height: 1.8;
}


/* HERO BUTTONS */

.hero-buttons {
    display: flex;
    align-items: center;
    gap: 13px;

    margin-top: 34px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 13px;

    min-height: 50px;
    padding: 0 22px;

    border-radius: 8px;

    font-size: 13px;
    font-weight: 600;

    transition: .3s ease;
}

.btn-primary {
    color: white;

    background: var(--gradient);

    box-shadow: 0 12px 35px rgba(255, 63, 145, .18);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 45px rgba(255, 63, 145, .3);
}

.btn-secondary {
    border: 1px solid var(--border);

    color: #d6d9e6;

    background: rgba(255,255,255,.025);
}

.btn-secondary:hover {
    background: rgba(255,255,255,.07);
}


/* HERO INFO */

.hero-info {
    display: flex;
    gap: 34px;

    margin-top: 50px;
}

.hero-info div {
    padding-left: 14px;

    border-left: 1px solid rgba(255,63,145,.45);
}

.hero-info strong {
    display: block;

    font-family: var(--font-display);
    font-size: 14px;
    color: white;
}

.hero-info span {
    display: block;

    margin-top: 3px;

    color: #707890;
    font-size: 10px;
}


/* ---------- CODE WINDOW ---------- */

.hero-visual {
    position: relative;

    min-height: 450px;

    display: flex;
    align-items: center;
    justify-content: center;
}

.code-window {
    position: relative;
    z-index: 2;

    width: 100%;
    max-width: 500px;

    border: 1px solid rgba(255,255,255,.09);
    border-radius: 15px;

    overflow: hidden;

    background: #080d20;

    box-shadow:
        0 40px 100px rgba(0,0,0,.45),
        0 0 80px rgba(65, 71, 180, .08);
}

.window-top {
    height: 47px;

    display: flex;
    align-items: center;
    justify-content: center;

    position: relative;

    border-bottom: 1px solid var(--border);

    background: #0c122b;
}

.window-dots {
    position: absolute;
    left: 17px;

    display: flex;
    gap: 6px;
}

.window-dots span {
    width: 8px;
    height: 8px;

    border-radius: 50%;

    background: #303752;
}

.window-dots span:first-child {
    background: #ff557f;
}

.window-dots span:nth-child(2) {
    background: #f4bd5b;
}

.window-dots span:last-child {
    background: #5fd89c;
}

.window-title {
    color: #646c88;
    font-family: monospace;
    font-size: 10px;
}

.code-content {
    padding: 27px 29px 30px;
}

.code-content pre {
    color: #9ba4c3;

    font-family: "Courier New", monospace;
    font-size: 12px;
    line-height: 2;

    white-space: pre-wrap;
}

.code-purple {
    color: #c678dd;
}

.code-blue {
    color: #61afef;
}

.code-pink {
    color: #ff5b9b;
}

.code-green {
    color: #98c379;
}

.terminal-line {
    display: flex;
    align-items: center;

    margin-top: 22px;
    padding-top: 18px;

    border-top: 1px solid var(--border);

    color: #8e97b4;

    font-family: monospace;
    font-size: 11px;
}

.terminal-symbol {
    margin-right: 8px;

    color: var(--pink);
}

.cursor {
    width: 6px;
    height: 13px;

    margin-left: 5px;

    background: var(--pink);

    animation: blink 1s infinite;
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}


/* FLOATING CARDS */

.floating-card {
    position: absolute;
    z-index: 3;

    display: flex;
    align-items: center;
    gap: 11px;

    padding: 12px 15px;

    border: 1px solid rgba(255,255,255,.09);
    border-radius: 10px;

    background: rgba(15, 20, 48, .88);

    backdrop-filter: blur(15px);

    box-shadow: 0 15px 45px rgba(0,0,0,.3);
}

.card-one {
    left: -30px;
    top: 65px;
}

.card-two {
    right: -30px;
    bottom: 65px;
}

.floating-icon {
    width: 32px;
    height: 32px;

    display: grid;
    place-items: center;

    border-radius: 7px;

    color: #a9b5ff;

    background: rgba(86,105,255,.12);
}

.floating-icon.pink {
    color: var(--pink);
    background: rgba(255,63,145,.1);
}

.floating-card strong {
    display: block;

    color: white;
    font-size: 11px;
}

.floating-card small {
    display: block;

    margin-top: 3px;

    color: #6f7791;
    font-size: 8px;
}


/* ---------- GENERAL SECTION ---------- */

.section {
    padding: 125px 0;
}

.section-label {
    color: var(--pink);

    font-family: monospace;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 2px;
}

.section-heading {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;

    align-items: end;

    margin-bottom: 62px;
}

.section-heading h2,
.about-content h2,
.cta h2 {
    margin-top: 13px;

    color: white;

    font-family: var(--font-display);
    font-size: clamp(38px, 4.5vw, 59px);
    line-height: 1.05;
    letter-spacing: -2.5px;
}

.section-heading h2 span,
.about-content h2 span,
.cta h2 span {
    color: var(--pink);
}

.section-heading > p {
    max-width: 460px;

    justify-self: end;

    color: var(--muted);

    font-size: 14px;
    line-height: 1.8;
}


/* ---------- SERVICES ---------- */

.services {
    background: #090e23;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);

    border-top: 1px solid var(--border);
    border-left: 1px solid var(--border);
}

.service-card {
    position: relative;

    min-height: 350px;
    padding: 31px 27px;

    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);

    background: rgba(255,255,255,.008);

    transition: .4s ease;
}

.service-card:hover {
    background: rgba(255,63,145,.035);
    transform: translateY(-5px);
}

.service-card.featured {
    background:
        linear-gradient(
            145deg,
            rgba(255,63,145,.1),
            rgba(255,63,145,.015)
        );
}

.service-number {
    position: absolute;
    right: 25px;
    top: 29px;

    color: #343b57;

    font-family: monospace;
    font-size: 10px;
}

.service-icon {
    width: 50px;
    height: 50px;

    display: grid;
    place-items: center;

    margin-bottom: 40px;

    border: 1px solid rgba(255,63,145,.25);
    border-radius: 10px;

    color: var(--pink);

    font-family: monospace;
    font-size: 17px;

    background: rgba(255,63,145,.05);
}

.service-card h3 {
    color: white;

    font-family: var(--font-display);
    font-size: 18px;
}

.service-card p {
    margin-top: 13px;

    color: #7e869f;

    font-size: 12px;
    line-height: 1.8;
}

.service-card a {
    display: inline-flex;
    align-items: center;
    gap: 9px;

    margin-top: 28px;

    color: #c5cada;

    font-size: 10px;
    font-weight: 600;

    transition: .3s;
}

.service-card a span {
    color: var(--pink);
}

.service-card a:hover {
    color: var(--pink);
}


/* ---------- ABOUT ---------- */

.about {
    background: var(--bg);
}

.about-grid {
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    gap: 110px;

    align-items: center;
}

.about-visual {
    position: relative;

    height: 470px;

    display: grid;
    place-items: center;
}

.about-circle {
    position: absolute;

    width: 340px;
    height: 340px;

    border: 1px solid rgba(255,63,145,.18);
    border-radius: 50%;

    background:
        radial-gradient(
            circle,
            rgba(255,63,145,.09),
            transparent 65%
        );

    box-shadow:
        inset 0 0 80px rgba(255,63,145,.04),
        0 0 80px rgba(255,63,145,.05);
}

.about-circle::before,
.about-circle::after {
    content: "";

    position: absolute;

    border: 1px solid rgba(99,118,255,.12);
    border-radius: 50%;
}

.about-circle::before {
    inset: 35px;
}

.about-circle::after {
    inset: 75px;
}

.about-card {
    position: relative;
    z-index: 2;

    display: flex;
    align-items: center;
    gap: 16px;

    padding: 22px 29px;

    border: 1px solid rgba(255,255,255,.1);
    border-radius: 13px;

    background: rgba(13,19,46,.9);

    box-shadow: 0 30px 70px rgba(0,0,0,.4);
}

.about-symbol {
    color: var(--pink);

    font-family: monospace;
    font-size: 28px;
}

.about-card strong {
    display: block;

    font-family: var(--font-display);
    font-size: 19px;
}

.about-card small {
    display: block;

    margin-top: 3px;

    color: var(--pink);

    font-size: 8px;
    letter-spacing: 2px;
}

.tech-badge {
    position: absolute;

    padding: 8px 13px;

    border: 1px solid var(--border);
    border-radius: 7px;

    color: #9da5c0;

    font-family: monospace;
    font-size: 9px;

    background: rgba(255,255,255,.03);
}

.badge-html {
    top: 60px;
    left: 65px;
}

.badge-css {
    top: 90px;
    right: 50px;

    color: #729aff;
}

.badge-js {
    bottom: 70px;
    right: 70px;

    color: #f4c94d;
}

.about-content > p {
    max-width: 600px;

    margin-top: 22px;

    color: var(--muted);

    font-size: 14px;
    line-height: 1.85;
}

.about-features {
    display: grid;
    gap: 17px;

    margin-top: 32px;
}

.about-features > div {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.check {
    width: 22px;
    height: 22px;

    display: grid;
    place-items: center;

    flex-shrink: 0;

    border-radius: 50%;

    color: var(--pink);

    font-size: 10px;

    background: rgba(255,63,145,.09);
}

.about-features strong {
    display: block;

    color: #dfe2ec;

    font-size: 12px;
}

.about-features small {
    display: block;

    margin-top: 4px;

    color: #69718c;

    font-size: 10px;
}


/* ---------- PROCESS ---------- */

.process {
    background: #090e23;
}

.centered {
    display: block;

    text-align: center;
}

.centered > p {
    margin: 22px auto 0;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

.process-item {
    position: relative;

    padding: 0 28px 0 0;
}

.process-item:not(:last-child) {
    margin-right: 25px;
}

.process-line {
    position: absolute;

    top: 25px;
    left: 59px;
    right: 0;

    height: 1px;

    background: linear-gradient(
        90deg,
        rgba(255,63,145,.4),
        rgba(255,255,255,.04)
    );
}

.process-icon {
    position: relative;
    z-index: 2;

    width: 51px;
    height: 51px;

    display: grid;
    place-items: center;

    margin-bottom: 28px;

    border: 1px solid rgba(255,63,145,.3);
    border-radius: 50%;

    color: var(--pink);

    font-family: monospace;
    font-size: 10px;

    background: #090e23;
}

.process-item h3 {
    color: white;

    font-family: var(--font-display);
    font-size: 16px;
}

.process-item p {
    max-width: 220px;

    margin-top: 10px;

    color: #727b96;

    font-size: 11px;
    line-height: 1.8;
}


/* ---------- CTA ---------- */

.cta {
    position: relative;

    padding: 130px 0;

    overflow: hidden;

    text-align: center;

    background:
        radial-gradient(
            circle at 50% 100%,
            rgba(255,63,145,.13),
            transparent 50%
        ),
        #070b1d;
}

.cta-grid {
    position: absolute;
    inset: 0;

    opacity: .15;

    background-image:
        linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);

    background-size: 50px 50px;

    mask-image: linear-gradient(
        to bottom,
        transparent,
        black,
        transparent
    );
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta h2 {
    font-size: clamp(44px, 6vw, 76px);
}

.cta p {
    max-width: 540px;

    margin: 25px auto 30px;

    color: #8189a4;

    font-size: 14px;
    line-height: 1.8;
}

.btn-large {
    min-height: 55px;

    padding: 0 27px;
}

.location {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;

    margin-top: 29px;

    color: #626b86;

    font-size: 10px;
}

.location span {
    color: var(--pink);
    font-size: 12px;
}


/* ---------- FOOTER ---------- */

.footer {
    padding-top: 70px;

    background: #050817;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.3fr;
    gap: 50px;

    padding-bottom: 60px;
}

.footer-brand p {
    max-width: 280px;

    margin-top: 20px;

    color: #626a84;

    font-size: 11px;
    line-height: 1.8;
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-column h4 {
    margin-bottom: 5px;

    color: white;

    font-family: var(--font-display);
    font-size: 11px;
}

.footer-column a,
.footer-column span {
    color: #646d88;

    font-size: 10px;

    transition: .25s;
}

.footer-column a:hover {
    color: var(--pink);
}

.footer-bottom {
    min-height: 65px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    border-top: 1px solid var(--border);

    color: #444c65;

    font-size: 9px;
}

.footer-bottom b {
    color: var(--pink);
}


/* ==========================================
   RESPONSIVE
========================================== */

@media (max-width: 1050px) {

    .hero-content {
        grid-template-columns: 1fr;

        padding: 80px 0 100px;
    }

    .hero {
        min-height: auto;
    }

    .hero-visual {
        max-width: 650px;
        margin: 20px auto 0;
    }

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

    .about-grid {
        gap: 60px;
    }

    .process-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 55px 30px;
    }

    .process-line {
        display: none;
    }
}


@media (max-width: 800px) {

    .menu-toggle {
        display: block;
    }

    .menu {
        position: absolute;

        top: 82px;
        left: 24px;
        right: 24px;

        display: none;
        flex-direction: column;
        align-items: stretch;

        padding: 18px;

        border: 1px solid var(--border);
        border-radius: 12px;

        background: rgba(8,13,32,.97);

        box-shadow: 0 20px 50px rgba(0,0,0,.4);
    }

    .menu.active {
        display: flex;
    }

    .menu a {
        padding: 12px;
    }

    .menu .nav-button {
        text-align: center;
    }

    .section-heading {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .section-heading > p {
        justify-self: start;
    }

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

    .about-visual {
        height: 380px;
    }

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


@media (max-width: 560px) {

    .container {
        width: min(100% - 32px, var(--container));
    }

    .nav {
        min-height: 72px;
    }

    .menu {
        top: 72px;
        left: 16px;
        right: 16px;
    }

    .hero {
        padding-top: 75px;
    }

    .hero h1 {
        font-size: 43px;
        letter-spacing: -2.5px;
    }

    .hero-text > p {
        font-size: 14px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
    }

    .hero-info {
        gap: 15px;
        justify-content: space-between;
    }

    .hero-info div {
        padding-left: 9px;
    }

    .hero-visual {
        min-height: 360px;
    }

    .code-content {
        padding: 20px;
    }

    .code-content pre {
        font-size: 9px;
        line-height: 1.8;
    }

    .floating-card {
        display: none;
    }

    .section {
        padding: 85px 0;
    }

    .section-heading h2,
    .about-content h2,
    .cta h2 {
        font-size: 39px;
        letter-spacing: -1.8px;
    }

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

    .service-card {
        min-height: 310px;
    }

    .about-visual {
        height: 330px;
    }

    .about-circle {
        width: 260px;
        height: 260px;
    }

    .badge-html {
        left: 10px;
    }

    .badge-css {
        right: 5px;
    }

    .badge-js {
        right: 20px;
    }

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

    .process-item {
        padding-right: 0;
    }

    .process-item p {
        max-width: 100%;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 35px;
    }

    .footer-bottom {
        flex-direction: column;
        justify-content: center;
        gap: 8px;

        padding: 20px 0;

        text-align: center;
    }
}