:root {
    --bg: #f5f7fb;
    --bg-soft: #eef2f8;
    --panel: rgba(255, 255, 255, 0.9);
    --line: rgba(32, 47, 86, 0.14);
    --line-strong: rgba(32, 47, 86, 0.3);
    --text: #121a2b;
    --text-soft: #4c5b7a;
    --accent: #273f84;
    --accent-soft: #deebff;
    --ok: #0f8f5f;
    --error: #c63b52;
    --radius: 20px;
    --radius-sm: 12px;
    --shadow: 0 20px 50px rgba(25, 40, 78, 0.12);
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Segoe UI", "Trebuchet MS", sans-serif;
    background:
        radial-gradient(1000px 620px at 95% -10%, rgba(173, 195, 242, 0.42), transparent 54%),
        radial-gradient(860px 560px at -15% 95%, rgba(198, 171, 238, 0.26), transparent 56%),
        linear-gradient(180deg, #f9fbff 0%, #f2f5fc 48%, #f5f7fb 100%);
    color: var(--text);
    line-height: 1.58;
    overflow-x: hidden;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background-image: radial-gradient(circle, rgba(37, 59, 114, 0.08) 0.6px, transparent 0.7px);
    background-size: 3px 3px;
    opacity: 0.16;
    pointer-events: none;
    z-index: -3;
}

body::after {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: -2;
    opacity: 0.24;
    background-image:
        url("assets/images/4.jpg"),
        url("assets/images/download.jpg"),
        url("assets/images/Screenshot_1.png"),
        url("assets/images/5.jpg"),
        url("assets/images/468bbe1a24fce0ca32bb1fc2a6e512d9.jpg"),
        url("assets/images/835c424be55fdc1ce234f9b128c34fb7.jpg");
    background-repeat: no-repeat;
    background-size: 30vw auto, 28vw auto, 24vw auto, 30vw auto, 28vw auto, 24vw auto;
    background-position:
        left -6vw top 8vh,
        left -8vw center,
        left -5vw bottom 5vh,
        right -6vw top 10vh,
        right -8vw center,
        right -5vw bottom 8vh;
    filter: blur(1px) saturate(0.9);
    mask-image: linear-gradient(to right, black 0%, black 20%, transparent 44%, transparent 56%, black 80%, black 100%);
}

.bg-grid {
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(to right, rgba(57, 84, 146, 0.08) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(57, 84, 146, 0.08) 1px, transparent 1px);
    background-size: 46px 46px;
    opacity: 0.46;
    mask-image: radial-gradient(circle at 50% 50%, black 36%, transparent 84%);
    pointer-events: none;
    z-index: -1;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    width: min(1160px, 94%);
    margin: 14px auto 0;
    padding: 0.75rem 1rem;
    border: 1px solid rgba(90, 114, 176, 0.22);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow);
}

.brand {
    text-decoration: none;
    color: var(--text);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.topbar nav {
    display: flex;
    gap: 0.45rem;
    flex-wrap: wrap;
}

.topbar nav a {
    text-decoration: none;
    color: var(--text-soft);
    border: 1px solid transparent;
    border-radius: 999px;
    padding: 0.45rem 0.75rem;
    font-size: 0.88rem;
    transition: color 0.3s var(--ease), border-color 0.3s var(--ease), background-color 0.3s var(--ease);
}

.topbar nav a:hover,
.topbar nav a:focus-visible {
    color: var(--text);
    border-color: var(--line);
    background: rgba(235, 242, 255, 0.9);
    outline: none;
}

main,
footer {
    width: min(980px, 88%);
    margin: 0 auto;
}

section {
    padding: 5rem 0;
}

.kicker {
    font-size: 0.77rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #2f4b8f;
    opacity: 0.9;
}

h1,
h2,
h3,
h4 {
    line-height: 1.14;
    letter-spacing: 0.01em;
}

h1 {
    font-size: clamp(2rem, 4.8vw, 3.8rem);
    max-width: 14ch;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.5rem, 3.4vw, 2.3rem);
    margin-top: 0.4rem;
}

.hero {
    min-height: calc(82vh - 70px);
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 1.1rem;
    align-items: center;
}

.hero-copy {
    max-width: 64ch;
    margin-top: 0.9rem;
    color: var(--text-soft);
}

.hero-actions {
    display: flex;
    gap: 0.7rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.hero-visual {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    background: #fff;
    box-shadow: var(--shadow);
    position: relative;
}

.hero-visual img {
    display: block;
    width: 100%;
    height: 100%;
    min-height: 320px;
    object-fit: cover;
    filter: saturate(1.08) brightness(1) contrast(1.05);
}

.hero-visual::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(17, 27, 60, 0.04), rgba(17, 27, 60, 0.16));
    pointer-events: none;
}

.btn {
    border: 1px solid transparent;
    border-radius: 999px;
    padding: 0.7rem 1.1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.32s var(--ease), box-shadow 0.32s var(--ease), border-color 0.32s var(--ease), background-color 0.32s var(--ease);
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    color: #ffffff;
    background: linear-gradient(135deg, #3558b4, #253f84);
    box-shadow: 0 10px 26px rgba(46, 70, 136, 0.24);
}

.btn-primary:hover {
    box-shadow: 0 14px 30px rgba(46, 70, 136, 0.3);
}

.btn-ghost {
    color: var(--text);
    background: rgba(255, 255, 255, 0.76);
    border-color: var(--line);
}

.section-head {
    margin-bottom: 1.2rem;
}

.projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.1rem;
}

.project-card,
.disclaimer-box,
.contact-box,
.contact-form {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--panel);
    box-shadow: var(--shadow);
    backdrop-filter: blur(7px);
    transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}

.project-card:hover,
.contact-box:hover,
.contact-form:hover {
    transform: translateY(-3px);
    border-color: var(--line-strong);
    box-shadow: 0 24px 55px rgba(30, 52, 110, 0.16);
}

.project-card {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 1rem;
    padding: 1rem;
    align-items: stretch;
}

.project-media {
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid rgba(70, 97, 167, 0.22);
}

.project-media img {
    width: 100%;
    height: 100%;
    min-height: 240px;
    object-fit: cover;
    display: block;
    filter: saturate(1.03) brightness(0.99) contrast(1.05);
    transition: transform 0.7s var(--ease), filter 0.7s var(--ease);
}

.project-card:hover .project-media img {
    transform: scale(1.04);
    filter: saturate(1.08) brightness(1.04) contrast(1.07);
}

.project-content {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.project-subtitle {
    color: #2b4387;
    font-weight: 600;
    font-size: 0.92rem;
}

.project-content p,
.project-points li,
.contact-box p,
.small-note,
.disclaimer-box p {
    color: var(--text-soft);
}

.project-points {
    padding-left: 1.1rem;
    display: grid;
    gap: 0.3rem;
}

.chips {
    margin-top: auto;
    display: flex;
    gap: 0.45rem;
    flex-wrap: wrap;
}

.chips span {
    border: 1px solid rgba(62, 92, 163, 0.26);
    border-radius: 999px;
    font-size: 0.76rem;
    color: #2a4389;
    padding: 0.25rem 0.6rem;
    background: linear-gradient(180deg, rgba(244, 248, 255, 0.96), rgba(227, 237, 255, 0.9));
}

.disclaimer-box {
    margin-top: 1rem;
    padding: 1rem;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(235, 243, 255, 0.95));
}

.disclaimer-box h4 {
    margin-bottom: 0.4rem;
}

.contact-wrap {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 1rem;
}

.contact-box,
.contact-form {
    padding: 1rem;
}

.mail-link {
    display: inline-block;
    margin: 0.35rem 0 0.65rem;
    color: var(--accent);
    font-weight: 700;
    text-decoration: none;
    word-break: break-word;
}

.contact-form {
    display: grid;
    gap: 0.5rem;
}

label {
    font-size: 0.9rem;
    color: #1a2a53;
}

input,
textarea,
select {
    width: 100%;
    border: 1px solid rgba(72, 102, 168, 0.3);
    border-radius: var(--radius-sm);
    background: #ffffff;
    color: var(--text);
    padding: 0.7rem;
    font-family: inherit;
    transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: rgba(42, 70, 139, 0.58);
    box-shadow: 0 0 0 3px rgba(96, 127, 204, 0.18);
}

textarea {
    resize: vertical;
    min-height: 130px;
}

.consent {
    margin-top: 0.3rem;
    display: flex;
    gap: 0.45rem;
    align-items: flex-start;
    color: var(--text-soft);
    font-size: 0.88rem;
}

.consent input {
    width: auto;
    margin-top: 0.12rem;
}

.hp-field {
    position: absolute;
    left: -9999px;
    opacity: 0;
    pointer-events: none;
}

.form-status {
    min-height: 1.2rem;
    margin-top: 0.4rem;
    font-size: 0.9rem;
    color: #1a386f;
}

.form-status.ok {
    color: var(--ok);
}

.form-status.error {
    color: var(--error);
}

footer {
    border-top: 1px solid var(--line);
    color: var(--text-soft);
    font-size: 0.86rem;
    padding: 2.2rem 0 2.5rem;
}

.reveal {
    opacity: 0;
    transform: translateY(18px) scale(0.99);
    filter: blur(3px);
    transition: opacity 0.85s var(--ease), transform 0.85s var(--ease), filter 0.85s var(--ease);
}

.reveal.show {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
}

@media (max-width: 980px) {
    .hero {
        grid-template-columns: 1fr;
    }

    .project-card {
        grid-template-columns: 1fr;
    }

    .contact-wrap {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 1350px) {
    body::after {
        opacity: 0.14;
        background-size: 38vw auto, 35vw auto, 30vw auto, 38vw auto, 35vw auto, 30vw auto;
    }

    main,
    footer {
        width: min(1100px, 92%);
    }
}

@media (max-width: 650px) {
    .topbar {
        border-radius: var(--radius);
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
        padding: 0.85rem;
    }

    section {
        padding: 4rem 0;
    }

    body::after {
        display: none;
    }
}