:root {
    --bg-color: #000000;
    --card-bg: #111111;
    --text-main: #f5f5f7;
    --text-dim: #86868b;
    --accent: #ffffff;
    --glass: rgba(255, 255, 255, 0.05);
    --border: rgba(255, 255, 255, 0.1);
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.5;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
    font-weight: 600;
    letter-spacing: -0.02em;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

/* Utilities */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: -0.05em;
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    color: var(--text-dim);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--accent);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.4s var(--ease-out-expo);
    text-align: center;
}

.btn-primary {
    background: var(--accent);
    color: #000;
    border: 1px solid var(--accent);
}

.btn-primary:hover {
    background: transparent;
    color: var(--accent);
}

.btn-secondary {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    border-color: var(--text-main);
    background: rgba(255, 255, 255, 0.05);
}

.large {
    padding: 16px 48px;
    font-size: 16px;
}

.center-text {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Sidebar Navigation */
#sidebar-nav {
    position: fixed;
    top: 50%;
    left: 40px;
    transform: translateY(-50%);
    z-index: 100;
}

#sidebar-nav ul {
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: relative;
}

/* Vertical line decoration */
#sidebar-nav ul::before {
    content: '';
    position: absolute;
    left: -15px;
    top: 0;
    height: 100%;
    width: 1px;
    background: rgba(255, 255, 255, 0.1);
}

#sidebar-nav a {
    font-size: 14px;
    color: var(--text-dim);
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    position: relative;
    display: block;
}

#sidebar-nav a:hover,
#sidebar-nav a.active {
    color: var(--accent);
    transform: translateX(5px);
}

#sidebar-nav a.active::before {
    content: '';
    position: absolute;
    left: -19px;
    /* Align with vertical line */
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    /* Marker width */
    height: 1px;
    background: var(--accent);
}

/* Mobile Nav Overlay */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: right 0.4s var(--ease-out-expo);
    z-index: 1000;
    padding-top: 60px;
}

.mobile-nav-overlay.active {
    right: 0;
}

.mobile-nav-overlay ul {
    text-align: center;
    gap: 30px;
    display: flex;
    flex-direction: column;
}

.mobile-nav-overlay a {
    font-size: 24px;
    color: var(--text-main);
    display: block;
    padding: 10px;
}

/* Adjust Main Content to not be hidden by sidebar if needed, 
   but since it's floating left, we rely on container margins */

/* Founder Teaser (Apple Style) */
.apple-card {
    background-color: #111;
    border-radius: 30px;
    height: 600px;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
    box-shadow: 0 30px 60px -10px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.apple-card:hover {
    transform: scale(1.02);
    box-shadow: 0 40px 80px -10px rgba(0, 0, 0, 0.7);
}

.card-content {
    padding: 60px;
    z-index: 2;
    max-width: 50%;
}

.eyebrow {
    color: #f5a623;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    display: block;
    margin-bottom: 12px;
}

.headline {
    font-size: 56px;
    line-height: 1.05;
    font-weight: 700;
    color: #f5f5f7;
    margin-bottom: 20px;
}

.subtext {
    font-size: 21px;
    color: #86868b;
    line-height: 1.4;
    margin-bottom: 30px;
    max-width: 400px;
}

.learn-more {
    color: #2997ff;
    font-size: 19px;
    font-weight: 400;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.learn-more:hover {
    text-decoration: underline;
}

.learn-more .arrow {
    font-size: 16px;
    transition: transform 0.3s ease;
}

.learn-more:hover .arrow {
    transform: translateX(3px);
}

.card-image {
    position: absolute;
    right: 0;
    top: 0;
    height: 100%;
    width: 60%;
    mask-image: linear-gradient(to right, transparent, black 20%);
    -webkit-mask-image: linear-gradient(to right, transparent, black 20%);
}

.card-image img {
    height: 100%;
    width: 100%;
    object-fit: cover;
    object-position: center 35%;
    transition: transform 0.8s ease;
}

.apple-card:hover .card-image img {
    transform: scale(1.03);
}

@media (max-width: 768px) {
    .apple-card {
        flex-direction: column;
        height: auto;
        min-height: 600px;
        align-items: flex-start;
    }

    .card-content {
        max-width: 100%;
        padding: 40px 30px;
    }

    .headline {
        font-size: 42px;
    }

    .card-image {
        position: relative;
        width: 100%;
        height: 400px;
        mask-image: none;
        -webkit-mask-image: none;
        mask-image: linear-gradient(to bottom, transparent, black 10%);
        /* Fade top on mobile */
        -webkit-mask-image: linear-gradient(to bottom, transparent, black 10%);
    }
}

/* 2-Column Founder Layout */
.founder-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    width: 100%;
}

.founder-card {
    background-color: #111;
    border-radius: 30px;
    height: 700px;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    /* Text at bottom */
    transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
    box-shadow: 0 30px 60px -10px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.founder-card:hover {
    transform: scale(1.02);
    box-shadow: 0 40px 80px -10px rgba(0, 0, 0, 0.7);
    z-index: 2;
}

.founder-card .card-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0) 90%);
    -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0) 90%);
    z-index: 0;
}

.founder-card .card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    transition: transform 0.8s ease;
}

.founder-card:hover .card-image img {
    transform: scale(1.05);
}

.founder-card .card-content {
    position: relative;
    z-index: 2;
    padding: 40px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
    width: 100%;
    max-width: 100%;
}

@media (max-width: 768px) {
    .founder-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .founder-card {
        height: 500px;
    }
}

/* Mobile Menu Button - positioned fixed top right */
.mobile-menu-btn {
    display: none;
    /* Hidden on desktop */
}

@media (max-width: 768px) {
    #sidebar-nav {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
        position: fixed;
        top: 20px;
        right: 20px;
        z-index: 1001;
        width: 30px;
        height: 20px;
    }

    .mobile-menu-btn span {
        display: block;
        width: 100%;
        height: 2px;
        background-color: var(--text-main);
        position: absolute;
        transition: all 0.3s ease;
    }

    .mobile-menu-btn span:first-child {
        top: 0;
    }

    .mobile-menu-btn span:last-child {
        bottom: 0;
    }

    .mobile-menu-btn.active span:first-child {
        top: 9px;
        transform: rotate(45deg);
    }

    .mobile-menu-btn.active span:last-child {
        bottom: 9px;
        transform: rotate(-45deg);
    }
}

/* Hero */
.hero-section {
    height: 100vh;
    width: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
    transform: scale(1.1);
    animation: zoomOut 20s infinite alternate;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.3), var(--bg-color));
}

@keyframes zoomOut {
    from {
        transform: scale(1.1);
    }

    to {
        transform: scale(1.0);
    }
}

.hero-content h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(to right, #fff, #888);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.5rem;
    color: var(--text-dim);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-btns {
    display: flex;
    gap: 20px;
    justify-content: center;
}

/* Sections General */
.section {
    padding: 120px 0;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 60px;
    text-align: center;
}

/* Services Split Layout */
.services-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
    position: relative;
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.service-item {
    padding: 20px;
    border-left: 2px solid transparent;
    transition: all 0.5s var(--ease-out-expo);
    cursor: default;
    opacity: 0.5;
}

.service-item.active,
.service-item:hover {
    border-left-color: var(--accent);
    opacity: 1;
    transform: translateX(10px);
}

.service-number {
    font-family: monospace;
    color: var(--text-dim);
    display: block;
    margin-bottom: 10px;
}

.service-item h3 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.service-item p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-dim);
    margin-bottom: 20px;
}

.tech-stack {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.tech-tag {
    font-size: 12px;
    color: var(--text-dim);
    border: 1px solid var(--border);
    padding: 4px 12px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.service-item:hover .tech-tag {
    border-color: var(--text-main);
    color: var(--text-main);
}

/* Service Preview Sticky Area */
.service-preview {
    position: sticky;
    top: 20vh;
    height: 400px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.5);
}

.preview-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.6s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    perspective: 1000px;
    /* Enable 3D space */
}

.preview-content.active {
    opacity: 1;
}

.preview-visual {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
}

/* Visuals: Web Design */
.web-visual {
    perspective: 1000px;
}

.web-visual .floating-card {
    position: absolute;
    top: 30%;
    left: 20%;
    width: 200px;
    /* Fixed width for better look */
    height: 140px;
    background: #1a1a1a;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: floatCard 6s ease-in-out infinite;
    transform-style: preserve-3d;
    overflow: hidden;
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.web-visual .floating-card.glass {
    top: 50%;
    left: 45%;
    width: 180px;
    height: 120px;
    background: rgba(255, 255, 255, 0.03);
    /* Lighter for contrast */
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
    animation: floatGlass 7s ease-in-out infinite alternate;
    z-index: 2;
}

/* Skeleton UI inside cards */
.card-header {
    display: flex;
    gap: 6px;
    margin-bottom: 5px;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.dot.red {
    background: #ff5f56;
}

.dot.yellow {
    background: #ffbd2e;
}

.dot.green {
    background: #27c93f;
}

.skeleton-line {
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

.skeleton-line.full {
    width: 100%;
}

.skeleton-line.half {
    width: 50%;
}

.skeleton-line.two-thirds {
    width: 75%;
}

.skeleton-box {
    height: 40px;
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 6px;
    margin-top: 5px;
}

.skeleton-circle {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--accent);
    opacity: 0.2;
    margin-bottom: 10px;
}

/* Merged Animations to prevent transform conflicts */
@keyframes floatCard {
    0% {
        transform: translateY(0) rotateX(0deg) rotateY(0deg);
    }

    50% {
        transform: translateY(-15px) rotateX(2deg) rotateY(-2deg);
    }

    100% {
        transform: translateY(0) rotateX(0deg) rotateY(0deg);
    }
}

@keyframes floatGlass {
    0% {
        transform: translateY(0) translateZ(20px) rotateX(5deg) rotateY(-5deg);
    }

    100% {
        transform: translateY(-20px) translateZ(40px) rotateX(-5deg) rotateY(10deg);
    }
}

/* Visuals: Software (Terminal) */
.software-visual {
    background: #0a0a0a;
    display: flex;
    align-items: center;
    justify-content: center;
}

.code-terminal {
    font-family: monospace;
    color: #0f0;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 80%;
}

.code-line {
    opacity: 0;
    animation: typeLine 4s steps(40) forwards infinite;
    white-space: nowrap;
    overflow: hidden;
    border-right: 2px solid transparent;
}

.code-line:nth-child(1) {
    animation-delay: 0s;
}

.code-line:nth-child(2) {
    animation-delay: 1.5s;
}

.code-line:nth-child(3) {
    animation-delay: 3s;
    color: var(--accent);
    border-right: 2px solid var(--accent);
}

@keyframes typeLine {
    0% {
        opacity: 0;
        width: 0;
    }

    5% {
        opacity: 1;
    }

    50% {
        width: 100%;
        border-right-color: var(--accent);
    }

    90% {
        width: 100%;
        border-right-color: transparent;
        opacity: 1;
    }

    100% {
        opacity: 0;
    }
}

/* Visuals: Backend */
.backend-visual {
    background: radial-gradient(circle at center, #1a1a1a 0%, #000 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.server-rack {
    width: 120px;
    height: 180px;
    border: 1px solid #333;
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    padding: 15px;
    background: #111;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.8);
    z-index: 2;
}

.server-light {
    width: 100%;
    height: 4px;
    background: #333;
    border-radius: 2px;
    position: relative;
    overflow: hidden;
}

.server-light::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 20%;
    height: 100%;
    background: #0f0;
    box-shadow: 0 0 5px #0f0;
    animation: serverScan 2s linear infinite;
}

.server-light:nth-child(2)::after {
    animation-delay: 0.5s;
    background: #f0f;
    box-shadow: 0 0 5px #f0f;
}

.server-light:nth-child(3)::after {
    animation-delay: 1.2s;
    background: #00f;
    box-shadow: 0 0 5px #00f;
}

.data-stream {
    position: absolute;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 255, 0, 0.1) 1px, transparent 1px);
    background-size: 20px 20px;
    opacity: 0.3;
    animation: flowData 20s linear infinite;
    transform: perspective(500px) rotateX(60deg);
    top: 50%;
    z-index: 1;
}

@keyframes serverScan {
    0% {
        left: -20%;
    }

    100% {
        left: 120%;
    }
}

@keyframes flowData {
    from {
        background-position: 0 0;
    }

    to {
        background-position: 0 1000px;
    }
}

@media (max-width: 768px) {
    .services-container {
        grid-template-columns: 1fr;
    }

    .service-preview {
        display: none;
        /* Simplify for mobile, just show text */
    }

    .service-item {
        opacity: 1;
        /* Always visible on mobile */
        border-left: 2px solid var(--border);
    }
}

/* Philosophy */
.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.feature-list {
    margin-top: 30px;
}

.feature-list li {
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    color: var(--text-main);
}

.visual-box {
    width: 100%;
    height: 400px;
    background: linear-gradient(45deg, #222, #000);
    border-radius: 20px;
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.visual-box::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 60%);
    animation: rotate 10s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* Philosophy Visuals (Tesseract) */
.tesseract-wrapper {
    perspective: 1000px;
    background: radial-gradient(circle at center, #222 0%, #000 100%);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tesseract-container {
    width: 200px;
    height: 200px;
    position: relative;
    transform-style: preserve-3d;
    animation: rotateTesseract 20s linear infinite;
}

.cube {
    position: absolute;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
}

.cube .face {
    position: absolute;
    width: 200px;
    height: 200px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.02);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.05);
}

/* Face Transforms */
.face.front {
    transform: translateZ(100px);
}

.face.back {
    transform: rotateY(180deg) translateZ(100px);
}

.face.right {
    transform: rotateY(90deg) translateZ(100px);
}

.face.left {
    transform: rotateY(-90deg) translateZ(100px);
}

.face.top {
    transform: rotateX(90deg) translateZ(100px);
}

.face.bottom {
    transform: rotateX(-90deg) translateZ(100px);
}

/* Inner Cube */
.cube.inner {
    width: 100px;
    height: 100px;
    top: 50px;
    left: 50px;
    animation: rotateInner 10s linear infinite reverse;
}

.cube.inner .face {
    width: 100px;
    height: 100px;
    border: 1px solid var(--accent);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}

.cube.inner .face.front {
    transform: translateZ(50px);
}

.cube.inner .face.back {
    transform: rotateY(180deg) translateZ(50px);
}

.cube.inner .face.right {
    transform: rotateY(90deg) translateZ(50px);
}

.cube.inner .face.left {
    transform: rotateY(-90deg) translateZ(50px);
}

.cube.inner .face.top {
    transform: rotateX(90deg) translateZ(50px);
}

.cube.inner .face.bottom {
    transform: rotateX(-90deg) translateZ(50px);
}

@keyframes rotateTesseract {
    from {
        transform: rotateX(0deg) rotateY(0deg);
    }

    to {
        transform: rotateX(360deg) rotateY(360deg);
    }
}

@keyframes rotateInner {
    from {
        transform: rotateX(0deg) rotateY(0deg);
    }

    to {
        transform: rotateX(360deg) rotateY(360deg);
    }
}

/* References */
/* References (Marquee) */
.container-fluid {
    width: 100%;
    padding: 0;
    overflow: hidden;
}

.marquee-container {
    width: 100%;
    overflow: hidden;
    position: relative;
    padding: 60px 0;
    mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
}

.marquee-content {
    display: flex;
    gap: 80px;
    width: max-content;
    animation: scrollMarquee 40s linear infinite;
    will-change: transform;
}

/* Pause on hover interaction */
.marquee-container:hover .marquee-content {
    animation-play-state: paused;
}

.ref-link {
    font-size: 3rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.2);
    text-decoration: none;
    white-space: nowrap;
    transition: all 0.4s ease;
    border: none;
    letter-spacing: -0.02em;
}

.ref-link:hover {
    color: #fff;
    transform: scale(1.1);
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.5);
    border: none;
}

@keyframes scrollMarquee {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }

    /* Moves half the total width (assuming 2 halves duplicate) */
    /* Note: Since we have 4 sets, -50% means we move past 2 sets. 
       We must ensure the content is perfectly duplicated. 
       4 sets is perfect: -50% takes us to the start of set 3, which is identical to set 1. */
}

/* Contact (Premium Redesign) */
.contact-section {
    padding: 120px 0;
    text-align: center;
}

.contact-section h2 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(to right, #fff, #888);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-align: center;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
}

.contact-section p {
    font-size: 1.5rem;
    color: var(--text-dim);
    margin-bottom: 60px;
    text-align: center;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 40px;
    /* More space for elegance */
    text-align: left;
}

.input-group {
    position: relative;
    width: 100%;
}

.input-group input,
.input-group textarea {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding: 15px 0;
    font-size: 1.2rem;
    color: #fff;
    font-family: inherit;
    transition: all 0.3s ease;
    resize: none;
    border-radius: 0;
}

.input-group input:focus,
.input-group textarea:focus {
    outline: none;
    border-bottom-color: #fff;
    box-shadow: 0 10px 20px -10px rgba(255, 255, 255, 0.1);
}

.input-group input::placeholder,
.input-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.4);
    transition: color 0.3s ease;
}

.input-group input:focus::placeholder,
.input-group textarea:focus::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.btn.large {
    padding: 20px 50px;
    font-size: 1.2rem;
    margin-top: 20px;
    width: 100%;
    align-self: center;
}

/* Footer */
footer {
    padding: 60px 0;
    border-top: 1px solid var(--border);
    margin-top: 60px;
    background: #050505;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text-small {
    font-weight: 700;
    font-size: 14px;
    display: block;
    margin-bottom: 10px;
}

.footer-left p {
    color: var(--text-dim);
    font-size: 12px;
}

.footer-links a {
    color: var(--text-dim);
    font-size: 12px;
    margin-left: 20px;
}

.footer-links a:hover {
    color: var(--text-main);
}

/* Animations using IntersectionObserver classes */
/* Animations matching simple fade-in requirements */
.fade-in {
    opacity: 0;
    animation: fadeIn 0.8s ease-out forwards;
}

/* Keep .visible support for other pages that might use script.js */
.fade-in.visible {
    opacity: 1;
    animation: none;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 3D Tilt & Magnetic Effects */
.card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
    transform: perspective(1000px);
    transition: transform 0.1s;
    /* Fast transition for smooth mouse movement, overridden by JS often */
}

.card:hover {
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.card-content {
    transform: translateZ(20px);
    /* Pop out text */
}

.card-glare {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.1), transparent 70%);
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
    mix-blend-mode: overlay;
}

.btn {
    position: relative;
    overflow: hidden;
    transform: translate(0, 0);
    /* For magnetic effect */
}

/* Mobile Optimization */
@media (max-width: 768px) {

    /* 1. Header & Burger Menu */
    .header-content {
        padding: 0 20px;
        justify-content: flex-end;
    }

    .mobile-menu-btn {
        display: block;
        width: 30px;
        height: 20px;
        position: relative;
        cursor: pointer;
        z-index: 1002;
        right: auto;
    }

    .mobile-menu-btn span {
        display: block;
        width: 100%;
        height: 2px;
        background-color: var(--text-main);
        position: absolute;
        transition: all 0.3s ease;
    }

    .mobile-menu-btn span:first-child {
        top: 0;
    }

    .mobile-menu-btn span:last-child {
        bottom: 0;
    }

    .mobile-menu-btn.active span:first-child {
        top: 9px;
        transform: rotate(45deg);
    }

    .mobile-menu-btn.active span:last-child {
        bottom: 9px;
        transform: rotate(-45deg);
    }

    /* 2. Mobile Navigation Overlay (The Big Menu) */
    .mobile-nav-overlay {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: rgba(0, 0, 0, 0.95);
        backdrop-filter: blur(20px);
        display: flex;
        justify-content: center;
        align-items: center;
        transition: right 0.4s var(--ease-out-expo);
        z-index: 1000;
        opacity: 0;
        /* Hidden by default */
        pointer-events: none;
    }

    .mobile-nav-overlay.active {
        right: 0;
        opacity: 1;
        pointer-events: all;
    }

    .mobile-nav-overlay ul {
        display: flex;
        flex-direction: column;
        gap: 40px;
        text-align: center;
    }

    .mobile-nav-overlay a {
        font-size: 24px;
        color: var(--text-main);
    }

    /* 3. Left Sidebar Index (Visible on Mobile) */
    #sidebar-nav {
        display: block !important;
        /* Force show */
        position: fixed;
        left: 10px;
        /* Tighter to edge */
        width: auto;
        background: none;
        backdrop-filter: none;
        height: auto;
        top: 50%;
        transform: translateY(-50%);
        right: auto;
        z-index: 900;
    }

    #sidebar-nav ul {
        gap: 15px;
        /* Tighter gap */
        align-items: flex-start;
    }

    #sidebar-nav a {
        font-size: 0;
        /* Hide text */
        width: 20px;
        height: 2px;
        background: rgba(255, 255, 255, 0.2);
        transition: all 0.3s ease;
    }

    #sidebar-nav a.active {
        width: 40px;
        /* Longer line for active */
        background: var(--accent);
    }

    #sidebar-nav a::before {
        display: none;
        /* Remove numbers if any */
    }

    /* 4. Layouts */
    .container {
        padding: 0 20px;
    }

    /* Hero */
    .hero-content h1 {
        font-size: 2.2rem;
    }

    .hero-btns {
        flex-direction: column;
        gap: 15px;
        width: 100%;
    }

    .btn {
        width: 100%;
    }

    /* Services: Stacked */
    .split-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .service-preview {
        display: none;
        /* Hide heavy 3D preview on mobile for performance/space */
    }

    .services-list {
        padding-right: 0;
    }

    /* Founder: Vertical Card */
    .apple-card {
        flex-direction: column;
        height: auto;
        padding-bottom: 30px;
    }

    .founder-teaser-image {
        width: 100%;
        height: 300px;
        flex: none;
    }

    .founder-teaser-text {
        width: 100%;
        padding: 30px 20px 0;
        text-align: center;
    }

    .founder-teaser-text h2 {
        font-size: 2.5rem;
    }

    /* Marquee */
    .ref-link {
        font-size: 1.5rem;
        gap: 40px;
    }

    /* Contact */
    .contact-section h2 {
        font-size: 2.2rem;
    }

    .contact-form {
        width: 100%;
    }
}

/* 3D Logo Container */
#hero-logo-container {
    width: 100%;
    height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: -50px;
    z-index: 10;
    position: relative;
    pointer-events: none;
}

#hero-logo-container canvas {
    pointer-events: auto;
}

@media (max-width: 768px) {
    #hero-logo-container {
        height: 250px;
        margin-bottom: -30px;
    }
}

/* Live Demos Section */
.demo-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 40px;
}

.demo-card {
    display: block;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 60px 40px;
    text-align: center;
    transition: all 0.4s var(--ease-out-expo);
    position: relative;
    overflow: hidden;
}

.demo-card:hover {
    border-color: var(--accent);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.demo-card h3 {
    font-size: 2rem;
    margin-bottom: 15px;
    color: var(--text-main);
}

.demo-card p {
    color: var(--text-dim);
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.demo-link {
    color: var(--accent);
    font-weight: 500;
    font-size: 1.1rem;
}

@media (max-width: 768px) {
    .demo-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* Booking Widget Styles */
.booking-widget {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 30px;
    max-width: 500px;
    margin: 40px auto;
    position: relative;
    overflow: hidden;
    min-height: 400px;
}

.booking-step {
    opacity: 0;
    pointer-events: none;
    position: absolute;
    top: 30px;
    left: 30px;
    right: 30px;
    transition: opacity 0.3s ease, transform 0.3s ease;
    transform: translateX(20px);
}

.booking-step.active {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(0);
    position: relative;
    top: auto;
    left: auto;
    right: auto;
}

.calendar-header,
.step-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.calendar-header h3,
.step-header h3 {
    font-size: 1.2rem;
    color: var(--text-main);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 10px;
}

.calendar-day {
    background: rgba(255, 255, 255, 0.05);
    border: none;
    color: var(--text-main);
    padding: 10px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.calendar-day:hover:not(.disabled) {
    background: var(--accent);
    color: #000;
}

.calendar-day.disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.time-slots {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.time-slot {
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-main);
    cursor: pointer;
    transition: all 0.3s ease;
}

.time-slot:hover:not(:disabled) {
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.1);
}

.time-slot:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    text-decoration: line-through;
}

.summary-preview {
    background: rgba(255, 255, 255, 0.05);
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    color: var(--text-dim);
}

.summary-preview span {
    color: var(--text-main);
    font-weight: 600;
}

.success-message {
    text-align: center;
    padding: 40px 0;
}

.checkmark-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #27c93f;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.checkmark {
    width: 20px;
    height: 10px;
    border-left: 3px solid #fff;
    border-bottom: 3px solid #fff;
    transform: rotate(-45deg);
    margin-top: -5px;
}

.back-link-fixed {
    position: absolute;
    top: 30px;
    left: 30px;
    color: var(--text-dim);
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s ease;
    z-index: 100;
    display: flex;
    align-items: center;
    gap: 8px;
}

.back-link-fixed:hover {
    color: var(--accent);
}

@media (max-width: 768px) {
    .back-link-fixed {
        top: 20px;
        left: 20px;
        font-size: 0.9rem;
    }
}

/* Real Estate Demo Styles */
/* Split View Layout */
.split-view-container {
    display: flex;
    height: calc(100vh - 80px);
    /* Adjust based on navbar height */
    width: 100%;
    margin-top: 20px;
    overflow: hidden;
}

.property-list-column {
    width: 55%;
    overflow-y: auto;
    padding: 0 40px 40px;
    /* Hide scrollbar for cleaner look */
    -ms-overflow-style: none;
    /* IE and Edge */
    scrollbar-width: none;
    /* Firefox */
}

.property-list-column::-webkit-scrollbar {
    display: none;
}

.map-column {
    width: 45%;
    height: 100%;
    position: relative;
    background: #1a1a1a;
}

#map {
    width: 100%;
    height: 100%;
}

/* Adjusted Real Estate Styles for Split View */
.search-bar {
    display: flex;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 50px;
    padding: 10px;
    margin: 20px auto 40px;
    /* Reduced top margin */
    width: 100%;
    /* Full width of column */
    max-width: none;
    /* Remove max-width restriction */
    gap: 10px;
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(10px);
    /* Add glass effect for sticky header */
}

.search-input-group {
    flex: 1;
    position: relative;
}

.search-bar input,
.search-bar select {
    width: 100%;
    background: transparent;
    border: none;
    padding: 15px 20px;
    color: var(--text-main);
    font-family: inherit;
    font-size: 1rem;
    outline: none;
}

.search-bar select {
    cursor: pointer;
    background-color: transparent;
}

.search-bar select option {
    background-color: var(--card-bg);
    color: var(--text-main);
}

/* Property Grid */
.property-grid-container {
    width: 100%;
}

.property-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    width: 100%;
    margin-bottom: 60px;
    transition: opacity 0.5s ease;
}

@media (min-width: 1100px) {
    .property-grid {
        grid-template-columns: repeat(2, 1fr);
        /* 2 columns fits better in 55% width */
    }
}

@media (min-width: 1600px) {
    .property-grid {
        grid-template-columns: repeat(3, 1fr);
        /* 3 columns for very large screens */
    }
}

.property-grid.hidden {
    display: none;
    opacity: 0;
}

.property-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 20px;
    overflow: hidden;
    transition: transform 0.3s ease, border-color 0.3s ease;
    text-align: left;
}

.property-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
}

.card-image-wrapper {
    height: 200px;
    background: #1a1a1a;
    position: relative;
    overflow: hidden;
}

.placeholder-img {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 0.5s ease;
}

.property-card:hover .placeholder-img {
    transform: scale(1.05);
}

.badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--accent);
    color: #000;
    font-weight: 600;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 0.8rem;
}

.card-content {
    padding: 25px;
}

.property-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.3;
}

.property-card .price {
    color: var(--accent);
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 12px;
    white-space: nowrap;
}

.property-card .specs {
    color: var(--text-dim);
    font-size: 0.9rem;
    margin-bottom: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

/* Skeleton Loading Animation */
@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }

    100% {
        background-position: 200% 0;
    }
}

.skeleton .skeleton-image {
    height: 200px;
    width: 100%;
    background: #1a1a1a;
    background-image: linear-gradient(90deg, #1a1a1a 25%, #2a2a2a 50%, #1a1a1a 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite linear;
}

/* Replaced by cleaner animations at end of file */

.skeleton-content {
    padding: 25px;
}

.skeleton-line {
    height: 15px;
    background: #1a1a1a;
    border-radius: 4px;
    margin-bottom: 15px;
    background-image: linear-gradient(90deg, #1a1a1a 25%, #2a2a2a 50%, #1a1a1a 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite linear;
}

.skeleton-line.title {
    width: 70%;
    height: 20px;
}

.skeleton-line.price {
    width: 40%;
}

.skeleton-line.specs {
    width: 90%;
}

@media (max-width: 768px) {
    .search-bar {
        flex-direction: column;
        border-radius: 20px;
    }
}

/* Property Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    /* Added to stop blur rendering */
    pointer-events: none;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.modal-content {
    background: var(--card-bg);
    width: 90%;
    max-width: 600px;
    border-radius: 25px;
    border: 1px solid var(--border);
    overflow: hidden;
    position: relative;
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(0, 0, 0, 0.5);
    border: none;
    color: #fff;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    z-index: 10;
    transition: background 0.2s ease;
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-close:hover {
    background: var(--accent);
    color: #000;
}

.modal-image-header {
    height: 250px;
    width: 100%;
    background-color: #222;
    /* Fallback */
}

.modal-body {
    padding: 30px;
    text-align: left;
}

.modal-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 10px;
}

.modal-top h2 {
    font-size: 1.8rem;
    margin: 0;
    color: var(--text-main);
}

.modal-price {
    font-size: 1.5rem;
    color: var(--accent);
    font-weight: 700;
    margin: 0;
    white-space: nowrap;
}

.modal-specs {
    color: var(--text-dim);
    font-size: 1rem;
    margin-bottom: 20px;
}

.separator {
    height: 1px;
    background: var(--border);
    width: 100%;
    margin: 20px 0;
}

.modal-desc {
    color: var(--text-main);
    line-height: 1.6;
    margin-bottom: 30px;
}

.modal-actions {
    display: flex;
    gap: 15px;
}

.property-card {
    cursor: pointer;
    /* Indicate clickability */
}

@media (max-width: 600px) {
    .modal-top {
        flex-direction: column;
        gap: 5px;
    }

    .modal-actions {
        flex-direction: column;
    }

    .modal-actions button {
        width: 100%;
    }
}

/* Enhanced Booking System Styles */
.booking-widget {
    background: rgba(20, 20, 20, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border-radius: 24px;
    padding: 40px;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.booking-widget:hover {
    box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.6);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Progress Bar */
.progress-container {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    margin-bottom: 30px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    width: 25%;
    /* Start at step 1 */
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent);
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Calendar Styling */
.calendar-header {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 15px;
}

.calendar-header button {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-main);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.calendar-header button:hover {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
    transform: scale(1.1);
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.calendar-day::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.2) 0%, transparent 70%);
    opacity: 0;
    transform: scale(0.5);
    transition: all 0.4s ease;
}

.calendar-day:hover:not(.disabled)::after {
    opacity: 1;
    transform: scale(1.5);
}

.calendar-day.selected {
    background: var(--accent);
    color: #000;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.3);
    border-radius: 12px;
}

/* Time Slots - Chips style */
.time-slots {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    /* 3 cols looks better */
    gap: 15px;
}

.time-slot {
    border-radius: 50px;
    /* Pill shape */
    text-align: center;
    font-weight: 500;
    position: relative;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.03);
}

.time-slot:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent);
}

.time-slot.selected {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}

/* Staggered Animation for time slots */
@keyframes fadeInUpWeak {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.time-slot {
    animation: fadeInUpWeak 0.4s ease backwards;
}

/* Inputs */
.input-group {
    margin-bottom: 20px;
}

.input-group input {
    width: 100%;
    padding: 16px 20px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-main);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.input-group input:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(0, 0, 0, 0.5);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

/* Success Step Animation */
.checkmark-circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--accent);
    margin: 0 auto 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: popIn 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.checkmark {
    width: 25px;
    height: 45px;
    border-bottom: 5px solid #000;
    border-right: 5px solid #000;
    transform: rotate(45deg) translateY(-5px);
}

@keyframes popIn {
    0% {
        transform: scale(0);
        opacity: 0;
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.success-message {
    text-align: center;
}

.success-message h3 {
    font-size: 2rem;
    margin-bottom: 15px;
    background: linear-gradient(to right, #fff, #aaa);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}