/* ================================
   Variables
   ================================ */
:root {
    --white: #ffffff;
    --black: #000000;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #e5e5e5;
    --gray-300: #d4d4d4;
    --gray-400: #a3a3a3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;

    --accent: #b8956b;

    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    --ease: cubic-bezier(0.25, 1, 0.5, 1);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

/* ================================
   Reset
   ================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--black) transparent;
}

/* Custom Scrollbar - Webkit browsers */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--black);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-800);
}

/* Hide scrollbar corner */
::-webkit-scrollbar-corner {
    background: transparent;
}

body {
    font-family: var(--font);
    background: var(--white);
    color: var(--black);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body.no-scroll {
    overflow: hidden;
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

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

ul {
    list-style: none;
}

::selection {
    background: var(--black);
    color: var(--white);
}

/* ================================
   Loader
   ================================ */
.loader {
    position: fixed;
    inset: 0;
    background: var(--white);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loader-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.loader-text {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gray-400);
}

.loader-progress {
    font-size: 3rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

/* ================================
   Header
   ================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 3rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.logo {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.nav {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-600);
    transition: color 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--black);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s var(--ease);
}

.nav-link:hover {
    color: var(--black);
}

.nav-link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.lang-switch {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--gray-500);
    padding: 0.375rem 0.75rem;
    border: 1px solid var(--gray-200);
    border-radius: 4px;
    background: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-left: 0.5rem;
}

.lang-switch:hover {
    color: var(--black);
    border-color: var(--black);
}

.lang-switch.active {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 32px;
    height: 32px;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 1.5px;
    background: var(--black);
    transition: all 0.3s var(--ease);
}

.menu-toggle.active span:first-child {
    transform: rotate(45deg) translate(2.5px, 2.5px);
}

.menu-toggle.active span:last-child {
    transform: rotate(-45deg) translate(2.5px, -2.5px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    inset: 0;
    background: var(--white);
    z-index: 99;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 6rem 3rem 3rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s var(--ease);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mobile-link {
    font-size: clamp(2.5rem, 10vw, 4rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--gray-300);
    transition: color 0.3s ease;
    transform: translateY(20px);
    opacity: 0;
}

.mobile-menu.active .mobile-link {
    transform: translateY(0);
    opacity: 1;
}

.mobile-link:hover {
    color: var(--black);
}

.mobile-menu.active .mobile-link:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu.active .mobile-link:nth-child(2) { transition-delay: 0.15s; }
.mobile-menu.active .mobile-link:nth-child(3) { transition-delay: 0.2s; }
.mobile-menu.active .mobile-link:nth-child(4) { transition-delay: 0.25s; }

.mobile-footer {
    margin-top: auto;
}

.mobile-footer {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-footer a {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.mobile-lang {
    margin-left: auto;
}

/* ================================
   Hero
   ================================ */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 8rem 3rem 4rem;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.hero-bg-slide.active {
    opacity: 1;
}

.hero-background::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.7) 40%, rgba(255,255,255,0.3) 70%, transparent 100%);
    z-index: 1;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1000px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 9vw, 7rem);
    font-weight: 500;
    letter-spacing: -0.02em;
    line-height: 1.15;
    margin-bottom: 2rem;
}

.title-line {
    display: block;
    overflow: visible;
    padding-bottom: 0.15em;
}

.hero-title em {
    font-style: italic;
    font-weight: 500;
    color: var(--accent);
}

.rotating-text-container {
    display: inline-block;
    position: relative;
    min-width: 280px;
}

.rotating-text {
    display: inline-block;
    position: relative;
}

.rotating-text span {
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
    font-style: italic;
    font-weight: 600;
    white-space: nowrap;
    animation: fadeText 36s ease-in-out infinite;
    animation-play-state: paused;
}

.rotating-text.active span {
    animation-play-state: running;
}

.rotating-text span:first-child {
    position: relative;
}

/* Neon colors for each rotating word */
.rotating-text span:nth-child(1) { color: #ff0080; animation-delay: 0s; } /* Hot pink */
.rotating-text span:nth-child(2) { color: #00ffff; animation-delay: 4s; } /* Cyan */
.rotating-text span:nth-child(3) { color: #ff6600; animation-delay: 8s; } /* Orange */
.rotating-text span:nth-child(4) { color: #00ff88; animation-delay: 12s; } /* Mint green */
.rotating-text span:nth-child(5) { color: #ff00ff; animation-delay: 16s; } /* Magenta */
.rotating-text span:nth-child(6) { color: #ffff00; animation-delay: 20s; } /* Yellow */
.rotating-text span:nth-child(7) { color: #00ccff; animation-delay: 24s; } /* Sky blue */
.rotating-text span:nth-child(8) { color: #ff3366; animation-delay: 28s; } /* Coral */
.rotating-text span:nth-child(9) { color: #99ff00; animation-delay: 32s; } /* Lime */

@keyframes fadeText {
    0%, 4% { opacity: 0; }
    5%, 9% { opacity: 1; }
    10%, 100% { opacity: 0; }
}

.hero-tagline {
    font-size: 1rem;
    color: var(--gray-500);
    letter-spacing: 0.02em;
}

.hero-scroll {
    position: absolute;
    bottom: 3rem;
    left: 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    color: var(--black);
    cursor: pointer;
    transition: color 0.3s ease;
    z-index: 2;
}

.hero-scroll:hover {
    color: var(--accent);
}

.hero-scroll span {
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: fadeInOut 2.5s ease-in-out infinite;
}

.hero-scroll svg {
    width: 24px;
    height: 24px;
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% {
        transform: translateY(0);
        opacity: 1;
    }
    50% {
        transform: translateY(10px);
        opacity: 0.6;
    }
}

@keyframes fadeInOut {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ================================
   Key Projects Accordion
   ================================ */
.key-projects {
    padding: 4rem 2rem 6rem;
    background: var(--gray-900);
}

.accordion-grid {
    --gap: 8px;
    --base: clamp(3rem, 10cqi, 100px);
    --easing: linear(
        0 0%, 0.1538 4.09%, 0.2926 8.29%, 0.4173 12.63%, 0.5282 17.12%,
        0.6255 21.77%, 0.7099 26.61%, 0.782 31.67%, 0.8425 37%, 0.8887 42.23%,
        0.9257 47.79%, 0.9543 53.78%, 0.9752 60.32%, 0.9883 67.11%, 0.9961 75%, 1 100%
    );
    --speed: 0.6s;

    display: grid;
    container-type: inline-size;
    grid-template-columns: 10fr 1fr 1fr 1fr;
    gap: var(--gap);
    list-style-type: none;
    justify-content: center;
    padding: 0;
    height: clamp(320px, 45dvh, 500px);
    margin: 0 auto;
    max-width: 1000px;
    transition: grid-template-columns var(--speed) var(--easing);
}

.accordion-grid li {
    background: var(--gray-800);
    position: relative;
    overflow: hidden;
    min-width: var(--base);
    border-radius: 12px;
    border: 1px solid var(--gray-700);
    cursor: pointer;
}

.accordion-grid li :is(h3) {
    opacity: 0.6;
    transition: opacity calc(var(--speed) * 1.2) var(--easing);
}

.accordion-grid li :is(a, p, .accordion-category) {
    opacity: 0;
    transition: opacity calc(var(--speed) * 1.2) var(--easing);
    width: fit-content;
}

.accordion-grid li img {
    filter: brightness(0.9);
    scale: 1.05;
    transition-property: filter, scale;
    transition-duration: calc(var(--speed) * 1.2);
    transition-timing-function: var(--easing);
}

.accordion-grid [data-active='true'] :is(a, p, h3, .accordion-category) {
    opacity: var(--opacity, 1);
}

.accordion-grid [data-active='true'] :is(a, p, .accordion-category) {
    transition-delay: calc(var(--speed) * 0.25);
}

.accordion-grid [data-active='true'] img {
    filter: brightness(1);
    scale: 1;
    transition-delay: calc(var(--speed) * 0.25);
}

.accordion-grid article {
    width: calc(var(--article-width, 400) * 1px);
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1.5rem;
    overflow: hidden;
}

.accordion-grid article h3 {
    position: absolute;
    top: 1.25rem;
    left: calc(var(--base) * 0.5);
    transform-origin: 0 50%;
    rotate: 90deg;
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--white);
    white-space: nowrap;
    margin: 0;
}

.accordion-grid article p {
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--gray-300);
    max-width: 280px;
    margin: 0;
    --opacity: 0.9;
}

.accordion-category {
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent);
}

.accordion-grid article .view-project {
    position: absolute;
    bottom: 1.5rem;
    right: 1.5rem;
    left: auto;
    height: 18px;
    line-height: 1;
    color: var(--white);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.accordion-grid article .view-project:is(:focus-visible, :hover) span {
    text-decoration: underline;
    text-underline-offset: 4px;
}

.accordion-grid article .view-project span {
    display: inline-block;
    line-height: 18px;
    font-weight: 500;
    font-size: 0.875rem;
}

.accordion-grid article .view-project::after {
    content: '→';
    font-size: 1rem;
    transition: transform 0.3s var(--ease);
}

.accordion-grid article .view-project:hover::after {
    transform: translateX(4px);
}

.accordion-grid article img {
    position: absolute;
    pointer-events: none;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
    mask: linear-gradient(to right, transparent 10%, #fff 50%);
}

@media (max-width: 768px) {
    .key-projects {
        padding: 3rem 1rem 4rem;
    }

    .accordion-grid {
        grid-template-columns: 1fr;
        height: auto;
        gap: 0.5rem;
    }

    .accordion-grid li {
        min-height: 200px;
    }

    .accordion-grid article {
        width: 100%;
        position: relative;
    }

    .accordion-grid article h3 {
        position: relative;
        top: auto;
        left: auto;
        rotate: none;
        font-size: 1.125rem;
        margin-bottom: 0.5rem;
    }

    .accordion-grid li :is(h3, a, p, .accordion-category) {
        opacity: 1;
    }

    .accordion-grid li img {
        filter: grayscale(0) brightness(1);
        scale: 1;
        mask: linear-gradient(to top, transparent, #000 50%);
    }

    .accordion-grid article .view-project {
        position: relative;
        bottom: auto;
        right: auto;
    }
}

/* ================================
   Featured / Projects
   ================================ */
.featured {
    padding: 6rem 3rem;
}

.featured-header {
    margin-bottom: 4rem;
}

.featured-header h2 {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gray-400);
    margin-bottom: 0.5rem;
}

.featured-header p {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 500px;
}

.project-filters {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 3rem;
}

.filter-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--gray-500);
    padding: 0.625rem 1.25rem;
    border-radius: 100px;
    background: var(--gray-100);
    cursor: pointer;
    transition: all 0.3s var(--ease);
    margin-bottom: 0;
}

.filter-toggle:hover {
    background: var(--gray-200);
    color: var(--black);
}

.filter-toggle svg {
    width: 14px;
    height: 14px;
    transition: transform 0.4s var(--ease);
}

.filter-toggle.active svg {
    transform: rotate(180deg);
}

.filter-toggle.active {
    background: var(--black);
    color: var(--white);
}

.filter-options {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    padding: 0;
    margin-top: 0;
    transition: max-height 0.5s var(--ease), opacity 0.4s var(--ease), margin-top 0.4s var(--ease), padding 0.4s var(--ease);
}

.filter-options.expanded {
    max-height: 200px;
    opacity: 1;
    margin-top: 1rem;
    padding: 0.25rem;
}

.filter-btn {
    font-size: 0.8125rem;
    font-weight: 500;
    padding: 0.4375rem 1rem;
    border-radius: 100px;
    background: var(--white);
    color: var(--gray-600);
    border: 1px solid var(--gray-200);
    transition: all 0.3s var(--ease);
    cursor: pointer;
    transform: translateY(10px);
    opacity: 0;
}

.filter-options.expanded .filter-btn {
    transform: translateY(0);
    opacity: 1;
}

.filter-options.expanded .filter-btn:nth-child(1) { transition-delay: 0.05s; }
.filter-options.expanded .filter-btn:nth-child(2) { transition-delay: 0.08s; }
.filter-options.expanded .filter-btn:nth-child(3) { transition-delay: 0.11s; }
.filter-options.expanded .filter-btn:nth-child(4) { transition-delay: 0.14s; }
.filter-options.expanded .filter-btn:nth-child(5) { transition-delay: 0.17s; }
.filter-options.expanded .filter-btn:nth-child(6) { transition-delay: 0.20s; }
.filter-options.expanded .filter-btn:nth-child(7) { transition-delay: 0.23s; }
.filter-options.expanded .filter-btn:nth-child(8) { transition-delay: 0.26s; }
.filter-options.expanded .filter-btn:nth-child(9) { transition-delay: 0.29s; }

.filter-btn:hover {
    background: var(--gray-100);
    border-color: var(--gray-300);
    color: var(--black);
}

.filter-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--white);
}

.project-card {
    transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}

.project-card.hidden {
    opacity: 0;
    transform: scale(0.95);
    pointer-events: none;
    position: absolute;
    visibility: hidden;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem 2rem;
}

.project-card {
    position: relative;
}

.project-link {
    display: block;
}

.project-image {
    position: relative;
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.project-image img,
.project-image video {
    width: 100%;
    aspect-ratio: 3/2;
    object-fit: cover;
    transition: transform 1.2s var(--ease-out);
}

.project-card:hover .project-image img,
.project-card:hover .project-image video {
    transform: scale(1.08);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 40%, rgba(0, 0, 0, 0.4));
    opacity: 0;
    transition: opacity 0.6s var(--ease);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-info {
    position: relative;
}

.project-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.project-number {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--gray-400);
}

.project-category {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--gray-400);
}

.project-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.project-card:hover .project-title {
    color: var(--accent);
}

.project-desc {
    font-size: 0.9375rem;
    color: var(--gray-600);
    margin-bottom: 1rem;
    max-width: 400px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.project-tags span {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--gray-500);
    padding: 0.375rem 0.75rem;
    background: var(--gray-100);
    border-radius: 100px;
    transition: all 0.4s var(--ease);
}

.project-card:hover .project-tags span {
    background: var(--accent);
    color: var(--white);
}

/* ================================
   About
   ================================ */
.about {
    padding: 8rem 3rem;
    background: var(--gray-50);
}

.about-wrapper {
    max-width: 1200px;
    margin: 0 auto;
}

.about-top {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 4rem;
}

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

.about-image {
    position: relative;
    overflow: hidden;
}

.about-image img:first-child {
    width: 100%;
    height: auto;
    object-fit: cover;
    transition: transform 0.8s var(--ease);
}

.about-image:hover img:first-child {
    transform: scale(1.03);
}


.about-stats {
    flex-direction: column;
}

.about-stats-row {
    display: flex;
    gap: 3rem;
    justify-content: center;
}


.about-intro {
    text-align: center;
}

.about-intro h2 {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gray-400);
    margin-bottom: 1rem;
}


.about-lead {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 400;
    letter-spacing: -0.01em;
    line-height: 1.4;
}

.about-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
    padding-bottom: 4rem;
    border-bottom: 1px solid var(--gray-200);
}

.about-text {
    background: var(--gray-100);
    padding: 2rem;
    border-radius: 0;
}

.about-text p {
    font-size: 1rem;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.about-text p:last-child {
    margin-bottom: 0;
}

.about-text p.about-quote {
    font-size: 1.125rem;
    font-style: italic;
    color: var(--gray-700);
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--gray-200);
}

.about-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 3rem;
    justify-content: center;
}

.stat {
    display: flex;
    flex-direction: column;
    text-align: center;
}

.stat-value {
    font-size: 3rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1;
}

.stat-value::after {
    content: '+';
    font-weight: 400;
    color: var(--accent);
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--accent);
    margin-top: 0.5rem;
}

.about-services {
    margin-top: 4rem;
    padding-top: 4rem;
    border-top: 1px solid var(--gray-200);
}

.about-services h3 {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gray-400);
    margin-bottom: 2rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.service-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    padding: 1.75rem;
    transition: all 0.4s var(--ease);
    cursor: default;
}

.service-card:hover {
    border-color: var(--accent);
    box-shadow: 0 8px 30px rgba(184, 149, 107, 0.15);
    transform: translateY(-4px);
}

.service-card h4 {
    font-size: 1.125rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    margin-bottom: 0.75rem;
    color: var(--black);
    transition: color 0.3s ease;
}

.service-card:hover h4 {
    color: var(--accent);
}

.service-card p {
    font-size: 0.9375rem;
    color: var(--gray-500);
    line-height: 1.6;
}

/* ================================
   Services Accordion Cards
   ================================ */
.services-accordion {
    margin-top: 4rem;
    padding-top: 4rem;
    border-top: 1px solid var(--gray-200);
}

.services-accordion-title {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gray-400);
    margin-bottom: 2rem;
    text-align: center;
}

.services-accordion-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.service-accordion-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s var(--ease);
}

.service-accordion-card:hover {
    border-color: var(--accent);
    box-shadow: 0 8px 30px rgba(184, 149, 107, 0.12);
}

.service-accordion-card.active {
    border-color: var(--accent);
    box-shadow: 0 12px 40px rgba(184, 149, 107, 0.18);
}

.service-accordion-header {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    transition: all 0.3s ease;
}

.service-accordion-header:hover {
    background: var(--gray-50);
}

.service-accordion-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    border-radius: 10px;
    color: var(--accent);
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.service-accordion-card:hover .service-accordion-icon,
.service-accordion-card.active .service-accordion-icon {
    background: var(--accent);
    color: var(--white);
}

.service-accordion-icon svg {
    width: 20px;
    height: 20px;
}

.service-accordion-title {
    flex: 1;
    font-size: 1.125rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--black);
    transition: color 0.3s ease;
}

.service-accordion-card:hover .service-accordion-title,
.service-accordion-card.active .service-accordion-title {
    color: var(--accent);
}

.service-accordion-chevron {
    width: 20px;
    height: 20px;
    color: var(--gray-400);
    transition: transform 0.4s var(--ease), color 0.3s ease;
    flex-shrink: 0;
}

.service-accordion-card.active .service-accordion-chevron {
    transform: rotate(180deg);
    color: var(--accent);
}

.service-accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s var(--ease), padding 0.5s var(--ease);
}

.service-accordion-card.active .service-accordion-content {
    max-height: 300px;
}

.service-accordion-list {
    padding: 0 1.5rem 1.5rem 1.5rem;
    list-style: none;
    margin: 0;
}

.service-accordion-list li {
    font-size: 0.9375rem;
    color: var(--gray-600);
    padding: 0.625rem 0;
    border-bottom: 1px solid var(--gray-100);
    position: relative;
    padding-left: 1.25rem;
    line-height: 1.5;
}

.service-accordion-list li:last-child {
    border-bottom: none;
}

.service-accordion-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
}

@media (max-width: 1024px) {
    .services-accordion-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .services-accordion {
        margin-top: 3rem;
        padding-top: 3rem;
    }

    .services-accordion-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .service-accordion-header {
        padding: 1.25rem;
    }

    .service-accordion-icon {
        width: 36px;
        height: 36px;
    }

    .service-accordion-icon svg {
        width: 18px;
        height: 18px;
    }

    .service-accordion-title {
        font-size: 1rem;
    }

    .service-accordion-list {
        padding: 0 1.25rem 1.25rem 1.25rem;
    }

    .service-accordion-list li {
        font-size: 0.875rem;
        padding: 0.5rem 0;
        padding-left: 1rem;
    }
}

/* ================================
   Services Section
   ================================ */
.services {
    padding: 8rem 3rem;
    background: var(--gray-50);
}

.services-wrapper {
    max-width: 1200px;
    margin: 0 auto;
}

.services-header {
    text-align: center;
    margin-bottom: 4rem;
}

.services-header h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.services-subtitle {
    font-size: 1.125rem;
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto;
}

.services .services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.services .service-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 16px;
    padding: 2.5rem;
    transition: all 0.4s var(--ease);
    cursor: default;
}

.services .service-card:hover {
    border-color: var(--accent);
    box-shadow: 0 12px 40px rgba(184, 149, 107, 0.2);
    transform: translateY(-8px);
}

.service-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 1.5rem;
    color: var(--accent);
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.services .service-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    margin-bottom: 1rem;
    color: var(--black);
    transition: color 0.3s ease;
}

.services .service-card:hover h3 {
    color: var(--accent);
}

.services .service-card p {
    font-size: 0.9375rem;
    color: var(--gray-500);
    line-height: 1.7;
}

@media (max-width: 1024px) {
    .services .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .services {
        padding: 5rem 1.5rem;
    }

    .services .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .services .service-card {
        padding: 2rem;
    }
}

/* ================================
   Contact
   ================================ */
.contact {
    padding: 8rem 3rem;
}

.contact-wrapper {
    max-width: 1200px;
    margin: 0 auto;
}

.contact-header {
    margin-bottom: 3rem;
}

.contact-header h2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 500;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.contact-header p {
    font-size: 1rem;
    color: var(--gray-500);
}

.contact-main {
    margin-bottom: 4rem;
}

.contact-email {
    display: inline-block;
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 500;
    letter-spacing: -0.02em;
    position: relative;
    color: var(--gray-400);
    transition: color 0.3s ease;
}

.contact-email:hover {
    color: var(--black);
}

.contact-email::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--black);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s var(--ease);
}

.contact-email:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.contact-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-200);
}

.contact-location {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.contact-location svg {
    color: var(--accent);
    flex-shrink: 0;
    margin-top: 0.15rem;
}

.contact-location-text {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.contact-location span {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.contact-availability {
    font-size: 0.75rem;
    color: var(--accent);
    font-weight: 500;
}

.contact-social {
    display: flex;
    gap: 2rem;
}

.contact-social a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-500);
    transition: color 0.2s ease;
}

.contact-social a:hover {
    color: var(--black);
}

/* ================================
   Footer
   ================================ */
.footer {
    padding: 1.5rem 3rem;
    border-top: 1px solid var(--gray-100);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--gray-400);
}

.footer-inner .heart-icon {
    display: inline-block;
    vertical-align: middle;
    color: var(--accent);
    margin: 0 0.15rem;
}

.back-to-top {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--black);
    color: var(--white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.back-to-top svg {
    width: 18px;
    height: 18px;
}

.back-to-top:hover {
    background: var(--accent);
    transform: translateY(-3px);
}

/* ================================
   Project View (Case Study)
   ================================ */
.project-view {
    position: fixed;
    inset: 0;
    background: var(--white);
    z-index: 200;
    overflow-y: auto;
    transform: translateY(100%);
    transition: transform 0.8s var(--ease-out);
    will-change: transform;
}

.project-view.active {
    transform: translateY(0);
}

.project-view::-webkit-scrollbar {
    width: 6px;
}

.project-view::-webkit-scrollbar-track {
    background: transparent;
}

.project-view::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 3px;
}

.project-view::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

.project-view-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 201;
    padding: 1.5rem 3rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.back-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-600);
    transition: color 0.2s ease;
}

.back-btn svg {
    width: 20px;
    height: 20px;
}

.back-btn:hover {
    color: var(--black);
}

.project-view-content {
    padding: 8rem 3rem 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.project-view-hero {
    margin-bottom: 3rem;
}

.pv-meta {
    display: flex;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.pv-meta span {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--gray-400);
}

.pv-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 500;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: 1rem;
}

.pv-subtitle {
    font-size: 1.25rem;
    color: var(--gray-500);
    max-width: 600px;
}

.project-view-image {
    margin-bottom: 4rem;
}

.pv-hero-img {
    width: 100%;
    height: auto;
}

.project-view-body {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
    padding-bottom: 4rem;
    border-bottom: 1px solid var(--gray-200);
}

.pv-overview h2 {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gray-400);
    margin-bottom: 1.5rem;
}

.pv-description {
    font-size: 1.125rem;
    color: var(--gray-600);
    line-height: 1.8;
}

.pv-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.pv-detail {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.pv-detail-label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--gray-400);
}

.pv-detail-value {
    font-size: 1rem;
    font-weight: 500;
}

.project-view-gallery {
    margin-bottom: 4rem;
}

.pv-gallery-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.pv-gallery-grid img {
    width: 100%;
    height: auto;
    transition: transform 0.6s var(--ease), filter 0.6s var(--ease);
    cursor: pointer;
}

.pv-gallery-grid img:hover {
    transform: scale(1.01);
    filter: brightness(0.95);
}

.pv-gallery-grid video {
    width: 100%;
    height: auto;
    border-radius: 4px;
}

.project-view-nav {
    display: flex;
    justify-content: space-between;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-200);
}

.pv-nav-btn {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    text-align: left;
    transition: opacity 0.3s ease;
}

.pv-nav-btn:last-child {
    text-align: right;
}

.pv-nav-btn:hover {
    opacity: 0.6;
}

.pv-nav-label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--accent);
}

.pv-nav-title {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

/* ================================
   Responsive
   ================================ */
@media (max-width: 1024px) {
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
    }

    .about-top {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-top .about-intro {
        order: 1;
    }

    .about-image {
        order: 2;
        max-width: 500px;
        margin: 0 auto;
    }

    .about-details {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-text {
        max-width: 500px;
        margin: 0 auto;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .project-view-body {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .pv-details {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 1rem 1.5rem;
    }

    .nav {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .hero {
        padding: 6rem 1.5rem 3rem;
    }

    .hero-scroll {
        display: none;
    }

    .featured {
        padding: 4rem 1.5rem;
    }

    .featured-header {
        margin-bottom: 3rem;
    }

    .project-image {
        margin-bottom: 1rem;
    }

    .project-title {
        font-size: 1.25rem;
    }

    .about {
        padding: 4rem 1.5rem;
    }

    .about-stats {
        flex-wrap: wrap;
        gap: 2rem;
        justify-content: center;
    }

    .about-stats-row {
        justify-content: center;
        width: 100%;
    }

    .stat {
        text-align: center;
    }

    .stat-value {
        font-size: 2.5rem;
    }

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

    .contact {
        padding: 4rem 1.5rem;
    }

    .contact-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
    }

    .contact-social {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .footer {
        padding: 1.5rem;
    }

    .footer-inner {
        flex-direction: column;
        gap: 0.5rem;
    }

    .project-view-header {
        padding: 1rem 1.5rem;
    }

    .project-view-content {
        padding: 6rem 1.5rem 3rem;
    }

    .project-view-nav {
        flex-direction: column;
        gap: 2rem;
    }

    .pv-nav-btn:last-child {
        text-align: left;
    }
}

/* ================================
   Animations
   ================================ */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.6s var(--ease);
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}