/* ===== CSS Variables ===== */
:root {
    --color-bg: #f5f4f0;
    --color-text: #1a1a1a;
    --color-accent: #1a1a1a;
    --color-white: #ffffff;
    --font-display: 'Oswald', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* ===== Noise Texture Overlay ===== */
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.03;
    z-index: 1000;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* ===== Main Two-Column Layout ===== */
.main {
    display: flex;
    min-height: 100vh;
    padding: 2rem 3rem;
    gap: 4rem;
}

/* ===== Left Column: Hero Text ===== */
.left-column {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.logo {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: 2rem;
}

.hero-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    line-height: 0.85;
}

.hero-word {
    font-family: var(--font-display);
    font-size: clamp(8rem, 22vw, 22rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    color: var(--color-text);
    display: block;
}

/* ===== Right Column: Nav, Description, Stats ===== */
.right-column {
    width: 380px;
    display: flex;
    flex-direction: column;
}

.nav {
    text-align: right;
    margin-bottom: 3rem;
}

.nav-link {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    text-decoration: none;
    color: var(--color-text);
    cursor: pointer;
    transition: opacity 0.2s ease;
}

.nav-link:hover {
    opacity: 0.7;
}

/* ===== Description ===== */
.description {
    text-align: right;
    margin-bottom: auto;
}

.description p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--color-text);
}

.description em {
    font-style: italic;
}

/* ===== Stats ===== */
.stats {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    text-align: right;
}

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

.stat-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1;
}

.stat-label {
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text);
}

/* ===== Sign Up Section ===== */
.signup-section {
    background: var(--color-text);
    color: var(--color-white);
    padding: 6rem 3rem;
    position: relative;
    z-index: 10;
}

.signup-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.signup-content h2 {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.signup-content>p {
    font-size: 1rem;
    line-height: 1.7;
    opacity: 0.85;
    margin-bottom: 2.5rem;
}

.signup-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.signup-form input,
.signup-form select {
    font-family: var(--font-body);
    font-size: 1rem;
    padding: 1rem 1.25rem;
    border: none;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.2s ease;
}

.signup-form input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.signup-form select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23ffffff' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
}

.signup-form select option {
    background: var(--color-text);
    color: var(--color-white);
}

.signup-form input:focus,
.signup-form select:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.15);
}

.signup-btn {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    background: var(--color-white);
    color: var(--color-text);
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 0.5rem;
}

.signup-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* ===== Footer ===== */
.footer {
    padding: 2rem 3rem;
    text-align: center;
    font-size: 0.8rem;
    opacity: 0.6;
    background: var(--color-bg);
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
    .main {
        flex-direction: column;
        padding: 1.5rem;
        gap: 2rem;
    }

    .left-column {
        order: 2;
    }

    .right-column {
        width: 100%;
        order: 1;
    }

    .nav {
        text-align: left;
        margin-bottom: 1.5rem;
    }

    .description {
        text-align: left;
        margin-bottom: 2rem;
    }

    .stats {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 1.5rem;
        text-align: left;
    }

    .stat {
        flex: 1;
        min-width: 120px;
    }

    .stat-number {
        font-size: 2rem;
    }

    .hero-text {
        margin-top: 1rem;
    }

    .hero-word {
        font-size: clamp(4rem, 18vw, 10rem);
    }

    .signup-section {
        padding: 4rem 1.5rem;
    }

    .signup-content h2 {
        font-size: 2rem;
    }

    .footer {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 0.85rem;
    }

    .hero-word {
        font-size: clamp(3rem, 16vw, 6rem);
    }

    .stat-number {
        font-size: 1.75rem;
    }
}