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

:root {
    --bg: #0b0f17;
    --surface: rgba(255, 255, 255, 0.06);
    --surface-2: rgba(255, 255, 255, 0.10);
    --text: rgba(255, 255, 255, 0.92);
    --muted: rgba(255, 255, 255, 0.72);
    --accent: #ff5a5f;
    --accent-2: #ffb86b;
    --border: rgba(255, 255, 255, 0.10);
    --shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
    --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.35);
    --radius: 16px;
    --hero-photo-url: url("images/your-photo.jpg");
    --hero-photo-fit: contain;
}

html {
    scroll-behavior: smooth;
}

body {
    background:
        radial-gradient(circle at 85% 8%, rgba(255, 90, 95, 0.14), transparent 40%),
        radial-gradient(circle at 10% 18%, rgba(255, 184, 107, 0.10), transparent 35%),
        linear-gradient(180deg, #0f1522 0%, var(--bg) 52%, #090d15 100%);
    color: var(--text);
    font-family: "Inter", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.65;
    min-height: 100vh;
    counter-reset: project-card;
}

#header,
#about,
#services,
#portfolio,
#contact,
#hiddenportfolio {
    padding: 64px 0;
}

#contact {
    padding-bottom: 0;
}

#header {
    width: 100%;
    min-height: 100vh;
    position: relative;
    background-size: cover;
    background-position: center;
}

#about .container,
#services .container,
#portfolio .container,
#hiddenportfolio .container,
#contact .container {
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.015));
    border: 1px solid var(--border);
    border-radius: 24px;
    box-shadow: var(--shadow-soft);
    padding: 34px clamp(18px, 3.8vw, 40px);
}

.container {
    width: min(1100px, 92%);
    padding: 0;
    margin: 0 auto;
}

nav {
    position: sticky;
    top: 0;
    z-index: 30;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    padding: 18px 22px;
    border: 1px solid var(--border);
    border-radius: 999px;
    backdrop-filter: blur(10px);
    background: rgba(11, 15, 23, 0.72);
    box-shadow: var(--shadow);
}

.logo {
    width: 190px;
    border-radius: 10px;
}

nav ul li {
   display: inline-block;
   list-style: none;
   margin: 10px 18px;
}

nav ul li a {
    color: var(--text);
    text-decoration: none;
    font-size: 16px;
    letter-spacing: 0.02em;
    position: relative;
}

nav ul li a::after {
    content: "";
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    position: absolute;
    left: 0;
    bottom: -7px;
    transition: width 0.35s ease;
}

nav ul li a:hover::after,
nav ul li a:focus-visible::after {
    width: 100%;
}

.header-content {
    width: min(1100px, 92%);
    margin: clamp(26px, 5.5vh, 72px) auto 0;
    padding: 0 10px 0 26px;
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(250px, 360px);
    gap: clamp(18px, 4vw, 60px);
    align-items: center;
}

.header-text {
    font-size: 1.25rem;
    max-width: 760px;
}

.header-text p {
    font-size: clamp(1.05rem, 2.2vw, 1.35rem);
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-weight: 600;
}

.header-text h1 {
    font-size: clamp(2.2rem, 6vw, 4.2rem);
    margin-top: 18px;
    line-height: 1.2;
    font-weight: 700;
}

.header-text h1 span {
    color: var(--accent);
}

.header-subline {
    font-size: clamp(1rem, 2.2vw, 1.4rem);
    color: var(--muted);
    font-weight: 500;
}

.header-badges {
    margin-top: 22px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.header-badges span {
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.06);
    color: var(--text);
    font-size: 0.82rem;
    letter-spacing: 0.03em;
    padding: 7px 11px;
    border-radius: 999px;
}

.header-photo img{
    width: min(325px, 100%);
    aspect-ratio: 4/ 4;
    border-radius: 24px;
    border: 1px solid var(--border);
        background-color: rgba(255, 255, 255, 0.03);
    box-shadow: 0 16px 38px rgba(0, 0, 0, 0.42);
    justify-self: end;
}

#about {
    color: var(--muted);
    margin-top: -70px;
}

.row {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 28px;
    align-items: stretch;
}

.about-col-1 {
    flex-basis: 40%;
    padding: 22px 0;    
    padding-top: 80px;
    padding-bottom: 80px;
}

.about-col-1 img {
    width: 100%;
    height: 100%;
    margin: 20px 0 60px 0;
    min-height: 470px;
    object-fit: cover;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.about-col-2 {
    flex-basis: 56%;
}

.sub-title {
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 700;
    color: var(--text);
    margin-bottom: 18px;
}

.about-col-2 p {
    color: var(--muted);
    margin-bottom: 26px;
}

.about-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 18px;
}

.about-metrics div {
    padding: 12px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: linear-gradient(150deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
}

.about-metrics strong {
    display: block;
    color: var(--text);
    font-size: 0.95rem;
    margin-bottom: 2px;
}

.about-metrics span {
    font-size: 0.8rem;
    color: var(--muted);
}

.tab-titles {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin: 20px 0 30px;
}

.tab-links {
    margin-right: 20px;
    font-size: 17px;
    font-weight: 600;
    color: var(--text);
    cursor: pointer;
    position: relative;
}

.tab-links::after {
    content: "";
    width: 0;
    height: 3px;
    background: var(--accent);
    position: absolute;
    left: 0;
    bottom: -8px;
    transition: width 0.35s ease;
 }

.tab-links.active-link::after,
.tab-links:hover::after,
.tab-links:focus-visible::after {
    width: 50%;
 }

.tab-contents ul li {
    list-style: none;
    margin: 8px 0;
    padding: 9px 12px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    line-height: 1.45;
}

.tab-contents ul li span {
    color: var(--accent-2);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.tab-contents {
    display: none;
    height: 340px;
    overflow-y: auto;
    padding-right: 4px;
}

.tab-contents.active-tab {
    display: block;
}

#services {
    padding-top: 34px;
}

.services-list {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
    margin-top: 46px;
}

.services-list div {
    background:
        linear-gradient(150deg, rgba(255, 255, 255, 0.10), rgba(255, 255, 255, 0.03)),
        linear-gradient(145deg, rgba(255, 90, 95, 0.10), rgba(255, 184, 107, 0.06));
    border: 1px solid rgba(255, 255, 255, 0.16);
    padding: 30px;
    font-size: 15px;
    font-weight: 400;
    border-radius: var(--radius);
    transition: transform 0.35s ease, border-color 0.35s ease, background 0.35s ease, box-shadow 0.35s ease;
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.38);
    position: relative;
    overflow: hidden;
}

.services-list div i {
    font-size: 32px;
    margin-bottom: 18px;
    color: #ffd7a7;
    width: 58px;
    height: 58px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    background: linear-gradient(145deg, rgba(255, 90, 95, 0.35), rgba(255, 184, 107, 0.24));
    border: 1px solid rgba(255, 255, 255, 0.14);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.services-list div h2 {
    font-size: 1.45rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text);
    line-height: 1.25;
}

.services-list div p {
    color: var(--muted);
}

.services-list div:hover,
.services-list div:focus-within {
    border-color: rgba(255, 184, 107, 0.56);
    background: var(--surface-2);
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 24px 52px rgba(0, 0, 0, 0.52);
}

.services-list div::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(130deg, rgba(255, 90, 95, 0.16), transparent 42%, rgba(255, 184, 107, 0.14));
    opacity: 0.8;
    pointer-events: none;
}

.services-list div::after {
    content: "";
    position: absolute;
    inset: auto 0 0 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

#portfolio {
    padding-top: 28px;
    padding-bottom: 18px;
}

#hiddenportfolio {
    padding-top: 10px;
    padding-bottom: 38px;
}

.work-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    margin-top: 46px;
}

.work {
    counter-increment: project-card;
    border-radius: var(--radius);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background:
        linear-gradient(170deg, rgba(255, 255, 255, 0.11), rgba(255, 255, 255, 0.03)),
        linear-gradient(160deg, rgba(255, 90, 95, 0.12), rgba(255, 184, 107, 0.08));
    box-shadow: 0 16px 34px rgba(0, 0, 0, 0.42);
    display: flex;
    flex-direction: column;
    min-height: 100%;
}

.work::before {
    content: "";
    position: absolute;
    inset: 0 auto auto 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    z-index: 1;
    pointer-events: none;
}

.work::after {
    content: "0" counter(project-card);
    position: absolute;
    top: 10px;
    right: 12px;
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: 0.03em;
    color: rgba(255, 255, 255, 0.18);
    z-index: 2;
}

.work img {
    width: 100%;
    border-radius: 0;
    display: block;
    min-height: 220px;
    max-height: 220px;
    object-fit: cover;
    filter: saturate(1.08) contrast(1.06) brightness(0.96);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.layer {
    position: static;
    width: 100%;
    height: auto;
    background: transparent;
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    flex-direction: column;
    gap: 10px;
    padding: 18px 18px 20px;
    text-align: left;
    font-size: 14px;
    opacity: 1;
    z-index: 2;
}

.layer h3 {
    font-weight: 700;
    margin: 0;
    font-size: 1.05rem;
    line-height: 1.35;
    color: var(--text);
}

.layer p {
    color: var(--muted);
    margin: 0;
    line-height: 1.5;
    min-height: 66px;
    font-size: 0.92rem;
}

.layer a {
    margin-top: auto;
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    line-height: 40px;
    background: linear-gradient(135deg, var(--accent), #ff7d55);
    width: 40px;
    height: 40px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 8px 18px rgba(255, 90, 95, 0.32);
    transition: filter 0.25s ease;
}

.work:focus-within {
    border-color: rgba(255, 184, 107, 0.62);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
}

.layer a:hover,
.layer a:focus-visible {
    filter: brightness(1.12);
}

.btn {
    display: block;
    margin: 24px auto 0;
    width: fit-content;
    border: 1px solid var(--accent);
    padding: 13px 42px;
    border-radius: 999px;
    text-decoration: none;
    color: var(--text);
    font-weight: 600;
    transition: background 0.35s ease, color 0.35s ease, transform 0.35s ease;
    background: rgba(255, 90, 95, 0.08);
}

.btn:hover,
.btn:focus-visible {
    background: var(--accent);
    color: #fff;
    transform: translateY(-3px);
}

.contact-left {
    flex-basis: 35%;
}

.contact-right {
    flex-basis: 60%;
}

.contact-left p {
    margin-top: 12px;
    color: var(--muted);
}

.contact-left p i {
    color: var(--accent);
    margin-right: 12px;
    font-size: 21px;
}

.social-icons {
    margin-top: 26px;
}

.social-icons a {
    text-decoration: none;
    font-size: 29px;
    margin-right: 14px;
    color: var(--muted);
    display: inline-block;
    transition: transform 0.35s ease, color 0.35s ease;
}

.social-icons a:hover,
.social-icons a:focus-visible {
    color: var(--accent);
    transform: translateY(-4px);
}

.btn.btn2 {
    display: inline-block;
    background: var(--accent);
    color: #fff;
}

.contact-right form {
    width: 100%;
    padding-bottom: 24px;
}

form input,
form textarea {
    width: 100%;
    border: 1px solid var(--border);
    outline: none;
    background: var(--surface);
    padding: 14px 16px;
    margin: 14px 0;
    color: var(--text);
    font-size: 16px;
    border-radius: 12px;
}

form .btn2 {
    padding: 13px 42px;
    font-size: 16px;
    margin-top: 18px;
    cursor: pointer;
}

.copyright {
    width: 100%;
    text-align: center;
    padding: 16px 0;
    background: rgba(255, 255, 255, 0.04);
    border-top: 1px solid var(--border);
    font-weight: 300;
    margin-top: 42px;
    margin-bottom: 0;
    color: var(--muted);
}

.copyright p i {
    color: var(--accent);
    margin-right: 10px;
    font-size: 20px;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
.tab-links:focus-visible,
.btn:focus-visible {
    outline: 3px solid var(--accent-2);
    outline-offset: 3px;
    border-radius: 6px;
}

nav .fa-solid {
    display: none;
}

@media only screen and (max-width: 1100px) {
    .services-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media only screen and (max-width: 900px) {
    .header-content {
        grid-template-columns: 1fr;
        gap: 24px;
        margin-top: 24px;
        padding-left: 12px;
        padding-right: 12px;
    }

    .header-photo {
        max-width: 240px;
        justify-self: start;
    }

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

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

@media only screen and (max-width: 600px) {
    #header {
        background-image:
            linear-gradient(rgba(10, 13, 20, 0.5), rgba(10, 13, 20, 0.92)),
            url(images/background\(vertical\).png);
        padding-top: 24px;
    }

    .header-content {
        margin-top: 14px;
        padding: 0 4px;
    }

    .header-text {
        font-size: 15px;
    }

    .header-text h1 {
        font-size: 1.9rem;
    }

    .header-photo {
        width: min(200px, 100%);
    }

    .header-badges {
        margin-top: 16px;
        gap: 8px;
    }

    .header-badges span {
        font-size: 0.75rem;
        padding: 6px 9px;
    }

    nav {
        border-radius: 16px;
        padding: 14px 16px;
    }

    nav .fa-solid {
        display: block;
        font-size: 25px;
        color: var(--text);
    }

    nav ul {
        background: rgba(255, 90, 95, 0.96);
        position: fixed;
        top: 0;
        right: -200px;
        width: 200px;
        height: 100vh;
        padding-top: 50px;
        z-index: 99;
        transition: right 0.5s;
    }

    nav ul li {
        display: block;
        margin: 25px;
    }

    nav ul .fa-solid {
        position: absolute;
        top: 25px;
        left: 25px;
        cursor: pointer;
    }

    .sub-title {
        font-size: 2rem;
    }

    .about-col-1,
    .about-col-2,
    .contact-left,
    .contact-right {
        flex-basis: 100%;
    }

    .about-col-1 {
        margin-bottom: 18px;
    }

    .about-col-1 img {
        width: 100%;
        min-height: 300px;
        max-height: 360px;
    }

    .about-col-2 {
        font-size: 14px;
    }

    .tab-contents {
        height: auto;
        overflow: visible;
        padding-right: 0;
    }

    .tab-links {
        font-size: 15px;
        margin-right: 12px;
    }

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

    .work img {
        min-height: 200px;
        max-height: 200px;
    }

    .layer p {
        min-height: 0;
    }

    .copyright {
        font-size: 14px;
        margin-top: 30px;
    }
}

#msg {
    color: #79c06b;
    margin-top: -34px;
    display: block;
}

@media (prefers-reduced-motion: reduce) {
    .work,
    .work::before,
    .work img,
    .layer,
    .layer h3,
    .layer p,
    .layer a {
        transition: none !important;
    }
}