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

:root {
    --primary: #D4A574;
    --text: #2D3748;
    --text-light: #718096;
    --bg: #FFFFFF;
    --bg-light: #F7FAFC;
    --border: #E2E8F0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text);
    line-height: 1.6;
    background: var(--bg);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--bg);
    z-index: 1000;
    border-bottom: 1px solid var(--border);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
}

.btn-app {
    background: var(--primary);
    color: white;
    padding: 0.75rem 1.75rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.2s;
}

.btn-app:hover {
    background: #C89862;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 0;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.btn-primary {
    background: var(--primary);
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
    font-size: 1.125rem;
}

.btn-primary:hover {
    background: #C89862;
    transform: translateY(-1px);
}

/* Phone Mockup */
.phone-mockup {
    width: 280px;
    height: 560px;
    background: var(--bg-light);
    border: 12px solid var(--primary);
    border-radius: 40px;
    margin: 0 auto;
    position: relative;
    box-shadow: 0 20px 60px rgba(45, 55, 72, 0.15);
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--border);
    border-radius: 2px;
}

.phone-frame {
    width: 100%;
    height: 100%;
    background: var(--bg);
    border-radius: 28px;
}

/* Contact */
.contact {
    padding: 6rem 0;
    background: var(--bg-light);
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--text);
}

.contact-form {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.contact-form input,
.contact-form textarea {
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    background: var(--bg);
    color: var(--text);
    transition: border-color 0.2s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.contact-form textarea {
    resize: vertical;
}

.contact-form button {
    margin-top: 0.5rem;
}

/* Footer */
footer {
    background: var(--primary);
    color: white;
    padding: 2rem 0;
    text-align: center;
}

footer p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero {
        min-height: auto;
        padding: 6rem 0 4rem;
    }

    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 3rem;
    }

    .phone-mockup {
        margin-top: 3rem;
    }
}

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

    .hero {
        padding: 5rem 0 3rem;
    }

    .hero-content h1 {
        font-size: 2.25rem;
    }

    .hero-content p {
        font-size: 1.125rem;
    }

    .phone-mockup {
        width: 240px;
        height: 480px;
    }

    .contact h2 {
        font-size: 2rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1.25rem;
    }

    .logo {
        font-size: 1.25rem;
    }

    .logo svg {
        width: 30px;
        height: 30px;
    }

    .btn-app {
        padding: 0.625rem 1.25rem;
        font-size: 0.875rem;
    }

    .hero-content h1 {
        font-size: 1.875rem;
    }

    .btn-primary {
        padding: 0.875rem 2rem;
        font-size: 1rem;
    }

    .phone-mockup {
        width: 200px;
        height: 400px;
        border-width: 8px;
    }
}