/* =============================
       DESIGN TOKENS
    ============================== */
:root {
    --bg: #ffffff;
    --ink: #0a0a0a;
    --muted: #6b7280;
    /* neutral-500 */
    --line: #e5e7eb;
    /* neutral-200 */
    --accent: #111827;
    /* near black */
    --accent-ink: #ffffff;
    --radius: 18px;
    --container: 1200px;
    --shadow: 0 10px 30px rgba(0, 0, 0, .06);
    --easing: cubic-bezier(.2, .8, .2, 1);
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0b0c10;
        --ink: #f5f5f5;
        --muted: #9aa0a6;
        --line: #1f2937;
        --accent: #111827;
        --accent-ink: #ffffff;
        --shadow: 0 12px 40px rgba(0, 0, 0, .35);
    }
}

/* =============================
       GLOBAL
    ============================== */
html {
    scroll-behavior: smooth
}

* {
    box-sizing: border-box
}

body {
    margin: 0;
    font: 400 16px/1.6 Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
    background: var(--bg);
    color: var(--ink);
}

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 20px
}

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

img {
    max-width: 100%;
    display: block
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0
}

/* =============================
       TOP PROGRESS BAR (scroll indicator)
    ============================== */
.progress {
    position: fixed;
    inset: 0 0 auto 0;
    height: 3px;
    background: linear-gradient(90deg, #000, #6b7280);
    transform-origin: 0 50%;
    transform: scaleX(0);
    z-index: 9999
}

@media (prefers-color-scheme: dark) {
    .progress {
        background: linear-gradient(90deg, #fff, #9aa0a6)
    }
}

/* =============================
       NAV
    ============================== */
header {
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: saturate(180%) blur(10px);
    background: color-mix(in oklab, var(--bg) 80%, transparent);
    border-bottom: 1px solid var(--line);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}

.brand {
    font-weight: 700;
    letter-spacing: .02em
}

.brand b {
    font-weight: 800
}

.nav a {
    opacity: .8
}

.nav a:hover {
    opacity: 1
}

.nav ul {
    list-style: none;
    display: flex;
    gap: 20px;
    margin: 0;
    padding: 0
}

.cta {
    padding: .6rem .9rem;
    border: 1px solid var(--ink);
    border-radius: 999px;
    transition: transform .2s var(--easing)
}

.cta:hover {
    transform: translateY(-1px)
}

/* =============================
       ABOUT (as main intro)
    ============================== */
section {
    padding: 72px 0;
    border-bottom: 1px solid var(--line)
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
    align-items: center
}

.about-photo {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s ease forwards .3s;
}

.about-photo::before {
    content: "";
    position: absolute;
    inset: 0;
    animation: gradientShift 12s ease infinite;
    z-index: 0;
    transition: background .5s ease;
}

.about-photo img {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius);
    box-shadow: var(--shadow)
}

@media (prefers-color-scheme: dark) {}

.about-text {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s ease forwards .6s;
}

.about-text h1 {
    margin: 0 0 .2em;
    font-size: clamp(32px, 5vw, 48px);
    line-height: 1.1
}

.about-text p {
    color: var(--muted);
    max-width: 60ch;
    margin: 0 0 1em
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%
    }

    50% {
        background-position: 100% 50%
    }

    100% {
        background-position: 0% 50%
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px)
    }

    to {
        opacity: 1;
        transform: translateY(0)
    }
}

@media(max-width:900px) {
    .about-grid {
        grid-template-columns: 1fr
    }
}

/* =============================
       WORK GRID
    ============================== */
.section-title {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px
}

.section-title h2 {
    font-size: clamp(24px, 3vw, 36px);
    margin: 0
}

.section-title p {
    color: var(--muted);
    max-width: 60ch
}

.filters {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin: 20px 0 28px
}

.filter {
    border: 1px solid var(--line);
    padding: .5rem .8rem;
    border-radius: 999px;
    cursor: pointer;
    background: transparent
}

.filter[aria-pressed="true"] {
    background: var(--ink);
    color: var(--bg)
}

.grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 16px
}

.card {
    grid-column: span 4;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: color-mix(in oklab, var(--bg) 92%, var(--line));
    box-shadow: var(--shadow);
    transform: translateY(12px) scale(.98);
    opacity: 0;
    will-change: transform, opacity;
}

.card.in {
    opacity: 1;
    transform: none;
    transition: opacity .7s var(--easing), transform .7s var(--easing);
}

.card a {
    display: block
}

.thumb {
    aspect-ratio: 16/12;
    background: #d1d5db;
    display: flex;
    align-items: center;
    justify-content: center
}

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

.meta {
    padding: 16px 16px 18px
}

.meta h3 {
    margin: 0 0 6px;
    font-size: 1.05rem
}

.meta p {
    margin: 0;
    color: var(--muted);
    font-size: .95rem
}

@media(max-width:1100px) {
    .card {
        grid-column: span 6
    }
}

@media(max-width:680px) {
    .card {
        grid-column: span 12
    }
}

/* Keep your existing grid & card styles */

/* --- Your existing holographic card --- */
.card {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius);
    transition: transform 0.5s ease, box-shadow 0.5s ease;
}

.card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(0deg,
            transparent,
            transparent 30%,
            rgba(0, 255, 255, 0.3));
    transform: rotate(-45deg);
    transition: all 0.5s ease;
    opacity: 0;
    pointer-events: none;
}

.card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.4);
}

.card:hover::before {
    opacity: 1;
    transform: rotate(-45deg) translateY(100%);
}

/* --- Flip Card --- */
.card1 {
    width: 400px;
    /* adjust as needed */
    height: 400px;
    perspective: 1000px;
    /* enable 3D effect */
    border-radius: var(--radius);
}

.card1-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s;
    transform-style: preserve-3d;
    border-radius: var(--radius);
}

.card1:hover .card1-inner {
    transform: rotateY(180deg);
}

.card1-front,
.card1-back {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: var(--radius);
    overflow: hidden;
    backface-visibility: hidden;
}

.card1-back {
    transform: rotateY(180deg);
}

.card1-front img,
.card1-back img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    /* ensures images fill the card */
    display: block;
    backface-visibility: hidden;
}


/* =============================
       CASE STUDY STRIPE
    ============================== */
.stripe {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 24px;
    align-items: center
}

.stripe .panel {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow)
}

.list {
    display: grid;
    gap: 12px;
    margin: 0;
    padding: 0;
    list-style: none
}

.list li {
    display: flex;
    gap: 10px;
    align-items: flex-start
}

@media(max-width:900px) {
    .stripe {
        grid-template-columns: 1fr
    }
}

/* =============================
       FOOTER & UTILITIES
    ============================== */
footer {
    padding: 56px 0
}

.foot {
    display: flex;
    gap: 16px;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    color: var(--muted)
}

.foot a {
    color: inherit
}

.lightbox {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(0);
    opacity: 0;
    pointer-events: none;
    z-index: 10000;
    transition: backdrop-filter 0.4s ease, opacity 0.4s ease;
}

.lightbox.open {
    backdrop-filter: blur(10px);
    opacity: 1;
    pointer-events: auto;
}

.lightbox img,
.lightbox video {
    max-width: 90vw;
    max-height: 80vh;
    border-radius: 14px;
    backdrop-filter: none;
    transition: transform 0.3s ease;
    z-index: 10001;
    /* ensure above background */
}

.lightbox img.opened,
.lightbox video.opened {
    transform: scale(1.05);
}

/* Close button */
.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 2rem;
    color: white;
    cursor: pointer;
    z-index: 10002;
    user-select: none;
}

.social-panel ul {
    display: flex;
    position: relative;
    justify-content: center;
    padding: 0;
    margin: 0;
}

.social-panel ul li {
    list-style: none;
}

.social-panel ul li a {
    width: 80px;
    height: 80px;
    background-color: #fff;
    text-align: center;
    line-height: 80px;
    font-size: 35px;
    margin: 0 10px;
    display: block;
    border-radius: 50%;
    position: relative;
    overflow: hidden;
    border: 3px solid #fff;
    z-index: 1;
}

.social-panel ul li a .icon {
    position: relative;
    color: #262626;
    transition: .5s;
    z-index: 3;
}

.social-panel ul li a:hover .icon {
    color: #fff;
    transform: rotateY(360deg);
}

.social-panel ul li a:before {
    content: "";
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    height: 100%;
    background: #f00;
    transition: .5s;
    z-index: 2;
}

.social-panel ul li a:hover:before {
    top: 0;
}

.social-panel ul li:nth-child(1) a:before {
    background: #ff0069;
}

.social-panel ul li:nth-child(2) a:before {
    background: #3b5999;
}

.social-panel ul li:nth-child(3) a:before {
    background: #69C9D0;
}

.social-panel ul li:nth-child(4) a:before {
    background: #FFFC00;
}

.language-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    padding: 10px 14px;
    border-radius: 50px;
    background-color: #f0f0f0;
    border: 1px solid #ccc;
    color: #333;
    cursor: pointer;
    font-size: 14px;
    font-weight: bold;
    transition: background-color 0.2s;
}

.language-toggle:hover {
    background-color: #e0e0e0;
}