@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;700;800;900&display=swap');

/* ============================================================
   1. RESET & BASE
   ============================================================ */
* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
    height: 100%;
    background-color: #000;
    color: #fff;
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
}

/* ============================================================
   2. NAVIGATION & FOOTER
   ============================================================ */
nav, footer {
    position: fixed;
    width: 100%;
    padding: 30px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    mix-blend-mode: difference;
    color: #fff;
}

nav   { top: 0; }
footer { bottom: 0; font-size: 12px; font-weight: 700; }

.nav-logo-img {
    height: 38px;
    width: auto;
    filter: brightness(0) invert(1);
}

.menu {
    font-size: 10px;
    letter-spacing: 3px;
    text-transform: uppercase;
    display: flex;
    gap: 30px;
}

.menu a {
    color: #fff;
    text-decoration: none;
    font-size: 10px;
    letter-spacing: 3px;
    text-transform: uppercase;
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    transition: opacity 0.3s;
}

.menu a:hover { opacity: 0.5; }

/* ============================================================
   3. MAIN CONTAINER
   ============================================================ */
main {
    height: 100vh;
    width: 100vw;
    overflow-y: scroll;
    scroll-snap-type: y proximity;
    scroll-behavior: smooth;
}

.slide {
    position: relative;
    min-height: 100vh;
    width: 100%;
    scroll-snap-align: start;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 10%;
    overflow: hidden;
}

/* ============================================================
   4. ANIMATION LOGIC
   ============================================================ */
.content {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
    z-index: 5;
}

.slide.active .content {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

/* ============================================================
   5. SECTION BACKGROUNDS
   ============================================================ */
.hero-bg {
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('digable-bg.jpg') center/cover no-repeat;
}

.contact-bg {
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('contact-bg.jpg') center/cover no-repeat;
}

#clients { background-color: #fff !important; }
#clients .content h1,
#clients .content p { color: #000 !important; }

/* ============================================================
   6. TYPOGRAPHY
   ============================================================ */
h1 {
    font-size: clamp(2.5rem, 8vw, 5.5rem);
    text-transform: uppercase;
    line-height: 0.9;
    font-weight: 800;
    margin-top: 15px;
    letter-spacing: -2px;
}

.section-title { font-size: clamp(2rem, 5vw, 3.5rem); margin-bottom: 40px; }

p {
    font-size: 12px;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: rgba(255,255,255,0.7);
}

.sub-text {
    max-width: 600px;
    margin-top: 25px;
    font-size: 18px;
    line-height: 1.6;
    color: #ccc;
    text-transform: none;
    letter-spacing: 0;
}

/* ============================================================
   7. GRIDS
   ============================================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px 50px;
    margin-top: 40px;
}

.service-item h3 {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 15px;
    font-weight: 800;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 10px;
}

.service-item p {
    font-size: 15px;
    letter-spacing: 0;
    text-transform: none;
    line-height: 1.6;
    color: #999;
}

.client-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 30px;
    align-items: center;
    margin-top: 40px;
}

.client-grid img {
    width: 100%;
    max-width: 100px;
    filter: grayscale(1);
    opacity: 1;
    transition: 0.3s;
}

.client-grid img:hover { opacity: 1; filter: grayscale(0); }

/* ============================================================
   8. BUTTONS
   ============================================================ */
.cta {
    display: inline-block;
    padding: 18px 35px;
    margin-top: 30px;
    border: 1px solid rgba(255,255,255,0.3);
    color: #fff;
    text-decoration: none;
    text-transform: uppercase;
    font-size: 10px;
    letter-spacing: 3px;
    transition: 0.3s;
}

.cta:hover { background: #fff; color: #000; border-color: #fff; }

/* ============================================================
   9. SELECTED WORKS SLIDE
   ============================================================ */
.works-slide {
    display: block;
    padding: 0;
    overflow: visible;
    scroll-snap-align: none;
    background-color: #0b0b0b;
    min-height: auto;
}

.works-slide::before {
    content: '';
    display: block;
    height: 0;
    scroll-snap-align: start;
}

.works-slide .content {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
    display: block;
    width: 100%;
    max-width: 100%;
    height: auto;
}

.works-slide.active .content {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

.works-header {
    padding: 100px 10% 40px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.works-filter-bar {
    position: sticky;
    top: 0;
    background: rgba(11,11,11,0.95);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    z-index: 200;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding: 18px 10%;
    display: flex;
    align-items: center;
    gap: 30px;
}

.filter-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: rgba(255,255,255,0.4);
    white-space: nowrap;
}

.filter-group { display: flex; gap: 25px; flex-wrap: wrap; }

.filter-btn {
    background: none;
    border: none;
    color: rgba(255,255,255,0.4);
    font-family: 'Inter', sans-serif;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    cursor: pointer;
    transition: color 0.3s ease;
    padding: 8px 0;
    position: relative;
}

.filter-btn:hover  { color: rgba(255,255,255,0.8); }
.filter-btn.active { color: #fff; }
.filter-btn.active::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 100%; height: 2px;
    background: #fff;
}

.registry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    padding: 40px 10% 80px;
}

@keyframes cardEntrance {
    from { opacity: 0; transform: translateY(25px); }
    to   { opacity: 1; transform: translateY(0); }
}

.project-card {
    background: #141414;
    border: 1px solid rgba(255,255,255,0.1);
    padding: 40px;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    cursor: pointer;
    transition: border-color 0.3s ease, background 0.3s ease;
    animation: cardEntrance 0.5s ease backwards;
}

.project-card:hover {
    border-color: rgba(255,255,255,0.35);
    background: #1c1c1c;
}

.card-type {
    font-size: 9px;
    color: rgba(255,255,255,1);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.card-title {
    font-size: 1.7rem;
    font-weight: 800;
    line-height: 1.1;
    text-transform: uppercase;
    margin: 15px 0 12px;
    color: #fff;
}

.card-tags { display: flex; flex-wrap: wrap; gap: 8px; }

.tag {
    font-size: 8px;
    padding: 4px 8px;
    border: 1px solid rgba(255,255,255,1);
    color: rgba(255,255,255,0.8);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ============================================================
   10. GALLERY OVERLAY
   ============================================================ */
#works-overlay {
    position: fixed;
    inset: 0;
    background: #080808;
    z-index: 1000;
    display: none;
    grid-template-columns: 1fr 420px;
}

#works-overlay.active { display: grid; }

.ov-close {
    position: absolute;
    top: 36px; right: 40px;
    z-index: 1010;
    cursor: pointer;
    font-size: 10px;
    font-weight: 900;
    letter-spacing: 2px;
    color: rgba(255,255,255,0.6);
    transition: color 0.2s;
}
.ov-close:hover { color: #fff; }

.ov-gallery-side {
    position: relative;
    background: #111;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

#ov-gallery-area {
    width: 100%; height: 100%;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

#ov-gallery-img {
    max-width: 100%;
    max-height: calc(100vh - 100px);
    object-fit: contain;
    display: block;
    transition: opacity 0.2s ease;
}

.ov-gallery-controls {
    position: absolute;
    bottom: 30px; left: 0; right: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
}

.ov-nav-btn {
    background: none;
    border: 1px solid rgba(255,255,255,0.2);
    color: #fff;
    font-size: 18px;
    width: 42px; height: 42px;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    display: flex; align-items: center; justify-content: center;
}
.ov-nav-btn:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.5); }

.ov-counter {
    font-size: 10px;
    letter-spacing: 2px;
    color: rgba(255,255,255,0.5);
    min-width: 50px;
    text-align: center;
}

#ov-no-img {
    width: 100%; height: 100%;
    align-items: center;
    justify-content: center;
}

.ov-no-img-label {
    font-size: 10px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: rgba(255,255,255,0.2);
}

.ov-text {
    padding: 80px 50px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border-left: 1px solid rgba(255,255,255,0.08);
}

#ov-title {
    font-size: clamp(1.8rem, 3vw, 3rem);
    font-weight: 900;
    margin: 16px 0 20px;
    text-transform: uppercase;
    line-height: 1;
    letter-spacing: -1px;
    color: #fff;
}

.ov-description {
    font-size: 14px !important;
    line-height: 1.7;
    color: rgba(255,255,255,0.6) !important;
    text-transform: none !important;
    letter-spacing: 0 !important;
    margin-bottom: 24px;
    max-width: 340px;
}

/* ============================================================
   11. CONTACT FORM
   ============================================================ */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    width: 100%;
    max-width: 1200px;
}

.contact-left { display: flex; flex-direction: column; }

.contact-email {
    display: inline-block;
    margin-top: 30px;
    font-size: 10px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: rgba(255,255,255,0.5);
    text-decoration: none;
    transition: color 0.3s;
}
.contact-email:hover { color: #fff; }

.contact-right form { display: flex; flex-direction: column; gap: 24px; }

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

.form-field label {
    font-size: 9px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: rgba(255,255,255,0.4);
    font-family: 'Inter', sans-serif;
}

.form-field input,
.form-field textarea {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.15);
    color: #fff;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    padding: 14px 16px;
    outline: none;
    width: 100%;
    transition: border-color 0.3s ease, background 0.3s ease;
    resize: none;
    border-radius: 0;
    -webkit-appearance: none;
}

.form-field input::placeholder,
.form-field textarea::placeholder { color: rgba(255,255,255,0.2); }

.form-field input:focus,
.form-field textarea:focus {
    border-color: rgba(255,255,255,0.5);
    background: rgba(255,255,255,0.07);
}

.form-submit {
    align-self: flex-start;
    padding: 16px 35px;
    border: 1px solid rgba(255,255,255,0.3);
    background: none;
    color: #fff;
    font-family: 'Inter', sans-serif;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    cursor: pointer;
    transition: background 0.3s, color 0.3s, border-color 0.3s;
}

.form-submit:hover:not(:disabled) {
    background: #fff;
    color: #000;
    border-color: #fff;
}

.form-submit:disabled { opacity: 0.5; cursor: default; }

.form-status {
    font-size: 11px;
    letter-spacing: 1px;
    text-transform: none;
    color: rgba(255,255,255,0.5);
    min-height: 18px;
}
.form-status.success { color: #7dffb3; }
.form-status.error   { color: #ff7d7d; }

/* ============================================================
   12. RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .client-grid   { grid-template-columns: repeat(4, 1fr); }
    #works-overlay { grid-template-columns: 1fr 340px; }
}

@media (max-width: 768px) {
    main { scroll-snap-type: none; }

    .slide {
        height: auto;
        min-height: 100vh;
        padding: 120px 30px;
        scroll-snap-align: none;
    }

    .works-slide { padding: 0; min-height: auto; }

    h1             { font-size: 2.8rem; }
    .section-title { font-size: 2.2rem; }
    .services-grid { grid-template-columns: 1fr; }
    .client-grid   { grid-template-columns: repeat(3, 1fr); }
    .menu          { display: none; }

    nav, footer    { padding: 20px; }
    footer { position: relative; flex-direction: column; gap: 10px; mix-blend-mode: normal; background: #000; }

    .contact-content { grid-template-columns: 1fr; gap: 40px; }
    .form-submit      { width: 100%; text-align: center; }

    .works-header     { padding: 80px 20px 30px; }
    .works-filter-bar { flex-direction: column; gap: 12px; align-items: flex-start; padding: 16px 20px; }
    .registry-grid    { padding: 24px 20px 60px; grid-template-columns: 1fr; }

    #works-overlay    { grid-template-columns: 1fr; grid-template-rows: 55vh 1fr; }
    .ov-gallery-side  { min-height: 55vh; }
    .ov-text          { padding: 30px; border-left: none; border-top: 1px solid rgba(255,255,255,0.08); }
}