:root {
    --bg-color: #ffffff;
    --text-primary: #1d1d1f;
    --text-secondary: #86868b;
    --accent-color: #0066cc;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    --transition-speed: 0.6s;
    --easing: cubic-bezier(0.4, 0, 0.2, 1);
    scrollbar-gutter: stable;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-primary);
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    /* Prevent scroll during loading */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-color);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    transition: opacity var(--transition-speed) var(--easing), visibility var(--transition-speed) var(--easing);
}

.loading-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.spinner {
    position: relative;
    width: 20px;
    height: 20px;
    display: inline-block;
}

.spinner-blade {
    position: absolute;
    left: 44.5%;
    top: 37%;
    width: 10%;
    height: 25%;
    border-radius: 50%/20%;
    background-color: #8e8e93;
    animation: spinner-fade 1s linear infinite;
}

.spinner-blade:nth-child(1) {
    transform: rotate(0deg) translate(0, -142%);
    animation-delay: -1s;
}

.spinner-blade:nth-child(2) {
    transform: rotate(30deg) translate(0, -142%);
    animation-delay: -0.9167s;
}

.spinner-blade:nth-child(3) {
    transform: rotate(60deg) translate(0, -142%);
    animation-delay: -0.8333s;
}

.spinner-blade:nth-child(4) {
    transform: rotate(90deg) translate(0, -142%);
    animation-delay: -0.75s;
}

.spinner-blade:nth-child(5) {
    transform: rotate(120deg) translate(0, -142%);
    animation-delay: -0.6667s;
}

.spinner-blade:nth-child(6) {
    transform: rotate(150deg) translate(0, -142%);
    animation-delay: -0.5833s;
}

.spinner-blade:nth-child(7) {
    transform: rotate(180deg) translate(0, -142%);
    animation-delay: -0.5s;
}

.spinner-blade:nth-child(8) {
    transform: rotate(210deg) translate(0, -142%);
    animation-delay: -0.4167s;
}

.spinner-blade:nth-child(9) {
    transform: rotate(240deg) translate(0, -142%);
    animation-delay: -0.3333s;
}

.spinner-blade:nth-child(10) {
    transform: rotate(270deg) translate(0, -142%);
    animation-delay: -0.25s;
}

.spinner-blade:nth-child(11) {
    transform: rotate(300deg) translate(0, -142%);
    animation-delay: -0.1667s;
}

.spinner-blade:nth-child(12) {
    transform: rotate(330deg) translate(0, -142%);
    animation-delay: -0.0833s;
}

@keyframes spinner-fade {
    0% {
        opacity: 0.85;
    }

    50% {
        opacity: 0.25;
    }

    100% {
        opacity: 0.25;
    }
}

/* Main Layout */
.container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    /* justify-content: center; */
    /* Center vertically */
    padding: 100px 20px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 1s var(--easing), transform 1s var(--easing);
    gap: 40px;
    /* Space between logo and content */
}

.container.visible {
    opacity: 1;
    transform: translateY(0);
}

.header {
    width: 100%;
    display: flex;
    justify-content: center;
    padding-top: 0;
    /* Remove top padding to allow true centering */
}

.logo {
    height: 180px;
    /* Adjust based on logo aspect ratio */
    width: auto;
    opacity: 0.9;
    transition: opacity 0.3s ease;
}

.logo:hover {
    opacity: 1;
}

.content {
    text-align: center;
    width: 100%;
    max-width: 600px;
}

.title {
    font-size: 56px;
    line-height: 1.07143;
    font-weight: 600;
    letter-spacing: -0.005em;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.subtitle {
    font-size: 24px;
    line-height: 1.16667;
    font-weight: 400;
    letter-spacing: 0.009em;
    color: var(--text-secondary);
    min-height: 1.2em;
    /* Prevent layout shift */
}

.cursor {
    display: inline-block;
    width: 2px;
    height: 1.2em;
    background-color: var(--text-secondary);
    margin-left: 2px;
    vertical-align: bottom;
    animation: blink 1s step-end infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

/* Newsletter Form */
.newsletter-form {
    margin-top: 40px;
    display: flex;
    align-items: center;
    background-color: #f5f5f7;
    padding: 6px;
    border-radius: 12px;
    width: 100%;
    max-width: 460px;
    margin-left: auto;
    margin-right: auto;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.newsletter-form:focus-within {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
    transform: translateY(-2px);
}

.newsletter-input {
    flex: 1;
    border: none;
    background: transparent;
    padding: 12px 16px;
    font-size: 15px;
    color: var(--text-primary);
    font-family: var(--font-family);
    outline: none;
}

.newsletter-input::placeholder {
    color: #86868b;
}

.newsletter-button {
    background-color: #1d1d1f;
    color: #ffffff;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
    font-family: var(--font-family);
}

.newsletter-button:hover {
    background-color: #333336;
}

.newsletter-button:active {
    transform: scale(0.98);
}

/* Social Icons */
.social-icons {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 32px;
}

.social-link {
    color: var(--text-primary);
    opacity: 0.8;
    transition: opacity 0.2s ease, transform 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.social-link:hover {
    opacity: 1;
    transform: scale(1.1);
}

.icon {
    width: 24px;
    height: 24px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .title {
        font-size: 40px;
    }

    .subtitle {
        font-size: 20px;
    }

    .newsletter-form {
        flex-direction: column;
        background-color: transparent;
        box-shadow: none;
        padding: 0;
    }

    .newsletter-form:focus-within {
        box-shadow: none;
        transform: none;
    }

    .newsletter-input {
        width: 100%;
        background-color: #f5f5f7;
        border-radius: 12px;
        margin-bottom: 12px;
        text-align: center;
    }

    .newsletter-button {
        width: 100%;
        padding: 14px;
        border-radius: 12px;
    }
}

@media (max-width: 480px) {
    .title {
        font-size: 32px;
    }

    .subtitle {
        font-size: 19px;
    }
}