/* =========================================
   Letter Wave Animation
   ========================================= */
@property --_s {
    syntax: '<number>';
    initial-value: 0;
    inherits: true;
}

:root {
    --bg-color: #050505;
    --text-color: #f0f0f0;
    --accent-color: #888;
    --font-main: 'Inter', sans-serif;
    --font-display: 'Inter', sans-serif;
    --spacing-unit: 2rem;
    --border-color: #333;
    --wave-easing: linear(0, 1.42406 3.67%, 1.65745 4.64%, 1.71709 5.111%, 1.74059 5.591%,
            1.73313 5.971%, 1.70302 6.361%, 1.57154 7.201%, 0.68765 10.781%,
            0.57364 11.621%, 0.53175 12.451%, 0.53598 12.831%, 0.55521 13.231%,
            0.63817 14.071%, 1.19719 17.652%, 1.26945 18.492%, 1.2961 19.322%,
            1.2935 19.702%, 1.28141 20.102%, 1.22906 20.942%, 0.87551 24.522%,
            0.82972 25.363%, 0.81279 26.183%, 0.81425 26.563%, 0.8217 26.963%,
            0.85499 27.813%, 1.07903 31.403%, 1.10761 32.233%, 1.11838 33.053%,
            1.1128 33.833%, 1.0918 34.683%, 0.9501 38.274%, 0.93199 39.104%,
            0.92516 39.914%, 0.92863 40.704%, 0.94188 41.554%, 1.0315 45.145%,
            1.04288 45.965%, 1.04731 46.775%, 1.04586 47.455%, 1.03969 48.185%,
            0.98337 51.745%, 0.97376 52.705%, 0.97009 53.635%, 0.97488 55.056%,
            1.01049 58.616%, 1.0189 60.486%, 1.0159 61.926%, 0.99343 65.477%,
            0.98806 67.337%, 0.98996 68.807%, 1.00408 72.327%, 1.00753 74.157%,
            0.99524 81.008%, 1.00297 87.699%, 0.99812 94.579%, 1.00074);
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

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

body {
    font-family: var(--font-main);
    background-color: #000000;
    color: var(--text-color);
    line-height: 1.5;
    overflow-x: hidden;
    cursor: none;
}

/* Custom Cursor */
.cursor {
    width: 15px;
    height: 15px;
    background-color: #fff;
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s, opacity 0.3s;
    mix-blend-mode: difference;
}

.cursor.hovered {
    width: 40px;
    height: 40px;
    opacity: 0.5;
}

/* =========================================
   Header & Nav
   ========================================= */
header {
    padding: 2rem 4rem;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header::before {
    content: '';
    position: absolute;
    inset: 0;
    background-color: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(5px);
    z-index: -1;
}

.logo a {
    --h: 0.1em;
    display: flex;
    gap: 0.04ch;
    text-decoration: none;
    color: var(--text-color);
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    transition: --_s 1.5s var(--wave-easing);
}

@media (min-width: 769px) {
    .logo:hover a {
        --_s: -1;
        transition: --_s 0.3s;
    }

    .logo:has(a:hover) a {
        --_s: 1;
    }
}

.logo a span {
    offset: shape(from 0.5ch,
            curve to calc(100% - 0.5ch) 50% with 30% calc(50% - var(--_s) * sibling-count() * var(--h)) / 70% calc(50% - var(--_s) * sibling-count() * var(--h))) calc(99.9% * (sibling-index() - 1) / (sibling-count() - 1));
    pointer-events: none;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 3rem;
}

.nav-links li {
    position: relative;
}

.nav-links li a {
    --h: 0.12em;
    display: flex;
    gap: 0.08ch;
    text-decoration: none;
    color: #fff;
    opacity: 0.5;
    font-size: 0.9rem;
    text-transform: uppercase;
    font-weight: 500;
    padding-block: 0.2em;
    transition: opacity 0.3s, color 0.3s, --_s 1.5s var(--wave-easing);
}

.nav-links li a:hover,
.nav-links li a.active {
    opacity: 1;
    color: #fff;
}

@media (min-width: 769px) {
    .nav-links li:hover a,
    .nav-links li:has(a:hover) a {
        --_s: -1;
        transition: color 0.3s, --_s 0.3s;
    }

    .nav-links li:has(a:hover) a {
        --_s: 1;
    }
}

.nav-links li a span {
    offset: shape(from 0.5ch,
            curve to calc(100% - 0.5ch) 50% with 30% calc(50% - var(--_s) * sibling-count() * var(--h)) / 70% calc(50% - var(--_s) * sibling-count() * var(--h))) calc(99.9% * (sibling-index() - 1) / (sibling-count() - 1));
    pointer-events: none;
}

.nav-links li::after {
    content: '';
    position: absolute;
    inset: 0 0 50%;
    cursor: pointer;
}

.nav-links li:has(a:hover)::after {
    inset: 0 0 100%;
}

.nav-links li:hover::after {
    inset: 0;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: #fff;
    transition: all 0.3s;
}

/* =========================================
   Hero Section
   ========================================= */
.hero {
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 4rem;
    padding-top: 100px;
}

.hero h1 {
    font-family: var(--font-display);
    font-size: 6vw;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: -2px;
}

.hero .subtitle {
    font-size: 1.2rem;
    color: var(--accent-color);
    max-width: 600px;
    margin-bottom: 4rem;
}

/* Scroll Indicator */
.scroll-indicator {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--accent-color);
    letter-spacing: 0.1em;
}

.scroll-line {
    width: 50px;
    height: 1px;
    background-color: var(--accent-color);
}

/* =========================================
   Section Title
   ========================================= */
.section-title {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-color);
    margin-bottom: 4rem;
    padding-left: 4rem;
}

#gallery .section-title {
    color: #555;
}

/* =========================================
   Gallery Section
   ========================================= */
#gallery {
    padding: 8rem 0;
    background-color: #fff;
}

.gallery-inner {
    padding: 0 4rem;
}

.gallery-item,
.gallery-item--reverse {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 8rem;
}

.gallery-item--reverse {
    direction: rtl;
}

.gallery-item--reverse > * {
    direction: ltr;
}

.gallery-img-link {
    display: block;
    overflow: hidden;
    border-radius: 12px;
}

.gallery-img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    display: block;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-img-link:hover .gallery-img {
    transform: scale(1.04);
}

.gallery-text {
    text-decoration: none;
    color: #111;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.gallery-title {
    font-size: 2rem;
    font-weight: 700;
    color: #111;
    line-height: 1.2;
    transition: color 0.3s;
}

.gallery-text:hover .gallery-title {
    color: #555;
}

.gallery-subtitle {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #555;
}

.gallery-desc {
    font-size: 0.95rem;
    color: #555;
    line-height: 1.7;
    text-align: justify;
    hyphens: none;
}

/* Slide-in animations for gallery */
.g-slide-left,
.g-slide-right {
    opacity: 0;
    transition: opacity 0.9s ease, transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.g-slide-left  { transform: translateX(-40px); }
.g-slide-right { transform: translateX( 40px); }

.g-slide-left.in-view,
.g-slide-right.in-view {
    opacity: 1;
    transform: translateX(0);
}

/* =========================================
   Works Section
   ========================================= */
#works {
    padding: 8rem 0;
}

.works-list {
    padding: 0 4rem;
}

.works-header {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    padding: 0 0 1rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-color);
}

.work-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    align-items: center;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border-color);
    text-decoration: none;
    color: var(--text-color);
    transition: background-color 0.3s, padding-left 0.3s;
}

.work-row:hover {
    background-color: #111;
    padding-left: 1rem;
}

.work-title {
    font-size: 1.1rem;
    font-weight: 500;
}

.work-category,
.work-year {
    font-size: 0.85rem;
    color: var(--accent-color);
}

/* =========================================
   About Section
   ========================================= */
.about-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6rem;
    padding: 8rem 4rem;
    max-width: 1100px;
    margin: 0 auto;
}

.about-image {
    width: 260px;
    height: 260px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-text {
    max-width: 600px;
}

.about-text h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: -1px;
}

.about-text p {
    font-size: 1rem;
    color: var(--accent-color);
    line-height: 1.75;
    margin-bottom: 1rem;
    text-align: justify;
}

/* =========================================
   Contact Section
   ========================================= */
#contact {
    padding: 4rem 0 8rem;
}

.contact-list {
    padding: 0 4rem;
}

.contact-row {
    display: grid;
    grid-template-columns: 1fr 2fr auto;
    align-items: center;
    padding: 1.8rem 0;
    border-bottom: 1px solid var(--border-color);
    text-decoration: none;
    color: var(--text-color);
    transition: background-color 0.3s, padding-left 0.3s;
}

.contact-row:hover {
    background-color: #111;
    padding-left: 1rem;
}

.contact-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--accent-color);
    letter-spacing: 0.08em;
}

.contact-value {
    font-size: 1.3rem;
    font-weight: 500;
}

.contact-arrow {
    font-size: 1.5rem;
    color: var(--accent-color);
    transition: color 0.3s, transform 0.3s;
}

.contact-row:hover .contact-arrow {
    color: var(--text-color);
    transform: translate(3px, -3px);
}

/* =========================================
   Animations
   ========================================= */
.reveal-holder {
    overflow: hidden;
    display: block;
    line-height: 1.2;
}

.reveal-text {
    display: block;
    transform: translateY(100%);
    opacity: 0;
    transition: transform 1s cubic-bezier(0.16, 1, 0.3, 1), opacity 1s ease;
}

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

/* Stagger delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }

/* Fade Up General */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* =========================================
   Responsive — Tablet & Mobile (≤ 768px)
   ========================================= */
@media (max-width: 768px) {

    /* Hide custom cursor on touch devices */
    .cursor {
        display: none;
    }

    body {
        cursor: auto;
    }

    /* ── Header ── */
    header {
        padding: 1.2rem 1.5rem;
    }

    /* Remove nav wrapper from flex flow so logo + toggle sit at opposite ends */
    header > nav {
        position: absolute;
    }

    .nav-links {
        display: flex;
        flex-direction: column;
        position: fixed;
        right: -100%;
        top: 0;
        width: 100%;
        height: 100vh;
        background-color: rgba(5, 5, 5, 0.95);
        backdrop-filter: blur(10px);
        justify-content: center;
        align-items: center;
        transition: right 0.4s ease;
        z-index: 1000;
        gap: 2.5rem;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links li {
        margin: 0;
    }

    .nav-links li a {
        font-size: 1.4rem !important;
        letter-spacing: 0.15em;
        color: #fff !important;
        opacity: 0.5;
        transition: opacity 0.3s;
    }

    .nav-links li a.active {
        opacity: 1;
    }

    .menu-toggle {
        display: flex;
        z-index: 1001;
    }

    /* ── Hero ── */
    .hero {
        padding: 0 1.5rem;
        padding-top: 110px;
        min-height: 70vh;
    }

    .hero h1 {
        font-size: clamp(2.4rem, 10vw, 4rem);
        letter-spacing: -1px;
        margin-bottom: 1.2rem;
    }

    .hero .subtitle {
        font-size: 1rem;
        margin-bottom: 2.5rem;
    }

    /* ── Section titles ── */
    .section-title {
        padding-left: 1.5rem;
        font-size: 0.85rem;
    }

    /* ── Gallery ── */
    #gallery {
        padding: 4rem 0;
    }

    .gallery-inner {
        padding: 0 1.5rem;
    }

    .gallery-item,
    .gallery-item--reverse {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-bottom: 4rem;
    }

    /* On reverse rows, reset column order so image always comes first */
    .gallery-item--reverse .gallery-img-link {
        order: 0;
    }

    .gallery-item--reverse .gallery-text {
        order: 1;
    }

    .gallery-img {
        width: 100%;
        aspect-ratio: 4 / 3;
    }

    .gallery-title {
        font-size: 1.4rem;
    }

    .gallery-subtitle {
        font-size: 0.8rem;
    }

    .gallery-desc {
        font-size: 0.9rem;
    }

    /* ── Works list ── */
    .works-list {
        padding: 0 1.5rem 4rem;
    }

    .works-header {
        display: none;
    }

    .work-row {
        grid-template-columns: 1fr;
        gap: 0.4rem;
        padding: 1.2rem 0;
    }

    .work-title {
        font-size: 1.1rem;
    }

    .work-category,
    .work-year {
        font-size: 0.85rem;
    }

    /* ── About ── */
    .about-container {
        flex-direction: column;
        align-items: center;
        padding: 5rem 1.5rem;
        gap: 2rem;
        text-align: center;
    }

    .about-image {
        width: 180px;
        height: 180px;
    }

    .about-text h1 {
        font-size: 2.2rem;
    }

    .about-text p {
        font-size: 0.95rem;
        text-align: left;
    }

    /* ── Contact ── */
    .contact-list {
        padding: 0 1.5rem;
    }

    .contact-row {
        grid-template-columns: 1fr auto;
        grid-template-rows: auto auto;
        gap: 0.3rem;
        padding: 1.2rem 0;
    }

    .contact-label {
        grid-column: 1;
        grid-row: 1;
    }

    .contact-value {
        font-size: 1rem;
        grid-column: 1;
        grid-row: 2;
    }

    .contact-arrow {
        grid-column: 2;
        grid-row: 1 / 3;
        align-self: center;
    }
}

/* =========================================
   Responsive — Small phones (≤ 480px)
   ========================================= */
@media (max-width: 480px) {

    .hero h1 {
        font-size: clamp(2rem, 11vw, 3rem);
    }

    .hero .subtitle {
        font-size: 0.9rem;
    }

    .gallery-title {
        font-size: 1.2rem;
    }

    .about-image {
        width: 150px;
        height: 150px;
    }

    .about-text h1 {
        font-size: 1.8rem;
    }

    .contact-value {
        font-size: 0.9rem;
    }
}

/* =========================================
   Splash / Animation Section
   ========================================= */
#splash-section {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: #000;
    z-index: 0;
}

#video-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

#video-bg wistia-player {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 177.78vh;
    height: 56.25vw;
    min-width: 100%;
    min-height: 100%;
    transform: translate(-50%, -50%);
}

/* Scroll hint */
#splash-scroll-hint {
    position: absolute;
    bottom: 3rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--accent-color);
    letter-spacing: 0.1em;
    opacity: 0;
    transition: opacity 0.8s ease 0.3s;
    pointer-events: none;
}

#splash-scroll-hint.visible {
    opacity: 1;
    pointer-events: auto;
}

.splash-scroll-line {
    width: 50px;
    height: 1px;
    background-color: var(--accent-color);
}

/* =========================================
   Authentication Section
   ========================================= */
.auth-container {
    padding: 6rem 4rem;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #050505;
}

.auth-box {
    background-color: #111;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 3rem;
    width: 100%;
    max-width: 450px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    text-align: center;
}

.auth-box h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: -1px;
}

.auth-subtitle {
    color: #888;
    font-size: 0.95rem;
    margin-bottom: 2rem;
}

.auth-box form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.auth-box input {
    width: 100%;
    background-color: #1a1a1a;
    border: 1px solid #333;
    padding: 1rem 1.2rem;
    border-radius: 8px;
    color: #fff;
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.auth-box input:focus {
    border-color: #555;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.1);
}

.auth-btn,
.google-btn {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.auth-btn {
    background-color: #fff;
    color: #000;
    margin-top: 0.5rem;
}

.auth-btn:hover {
    background-color: #e0e0e0;
    transform: translateY(-2px);
}

.outline-btn {
    background-color: transparent;
    color: #fff;
    border: 1px solid #555;
    margin-top: 1rem;
}

.outline-btn:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.auth-switch {
    font-size: 0.9rem;
    color: #888;
    margin-bottom: 1.5rem;
}

.auth-switch a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid #555;
    transition: border-color 0.3s;
}

.auth-switch a:hover {
    border-color: #fff;
}

.auth-divider {
    position: relative;
    text-align: center;
    margin: 1.5rem 0;
}

.auth-divider::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    border-top: 1px solid #333;
    z-index: 1;
}

.auth-divider span {
    position: relative;
    z-index: 2;
    background-color: #111;
    padding: 0 10px;
    color: #555;
    font-size: 0.85rem;
    text-transform: uppercase;
}

.google-btn {
    background-color: #fff;
    color: #3c4043;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    border: 1px solid #dadce0;
}

.google-btn img {
    width: 18px;
    height: 18px;
}

.google-btn:hover {
    background-color: #f8f9fa;
    box-shadow: 0 1px 2px 0 rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);
    transform: translateY(-2px);
}

.auth-error {
    color: #ff4d4d;
    font-size: 0.85rem;
    margin-top: 1.2rem;
    min-height: 20px;
}

@media (max-width: 768px) {
    #splash-section {
        height: 56.25vw;
        min-height: 0;
        margin: 100px 0 0 0;
        padding: 0;
    }

    #particle-section {
        display: none !important;
    }

    #video-bg wistia-player {
        position: absolute;
        top: 0;
        left: 0;
        transform: none;
        width: 100vw;
        height: 56.25vw;
        margin: 0;
        padding: 0;
    }

    #splash-scroll-hint {
        display: none;
    }

    .auth-container {
        padding: 4rem 1.5rem;
    }

    .auth-box {
        padding: 2rem 1.5rem;
    }

    .auth-box h2 {
        font-size: 1.5rem;
    }
}

/* =========================================
   Back to Top Button (mobile only)
   ========================================= */
#back-to-top {
    display: none;
}

@media (max-width: 768px) {
    #back-to-top {
        display: flex;
        position: fixed;
        bottom: 2rem;
        right: 1.5rem;
        width: 45px;
        height: 45px;
        background-color: rgba(255, 255, 255, 0.1);
        color: #fff;
        border: 1px solid rgba(255, 255, 255, 0.2);
        border-radius: 50%;
        justify-content: center;
        align-items: center;
        cursor: pointer;
        z-index: 1000;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s, visibility 0.3s, background-color 0.3s;
        backdrop-filter: blur(5px);
    }

    #back-to-top.show {
        opacity: 1;
        visibility: visible;
    }

    #back-to-top:active {
        background-color: rgba(255, 255, 255, 0.3);
    }
}

/* =========================================
   Hamburger → X Animation
   ========================================= */
.menu-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.menu-toggle.open span:nth-child(2) {
    opacity: 0;
}
.menu-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* =========================================
   Footer
   ========================================= */
.site-footer {
    text-align: center;
    padding: 2rem;
    font-size: 0.8rem;
    color: var(--accent-color);
    letter-spacing: 0.05em;
    background-color: transparent;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}