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

body {
    font-family: 'Inter', sans-serif;
    background: #f5f7fb;
    color: #1f2937;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ================= NAVBAR ================= */

.navbar {
    height: 72px;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 70px;
    border-bottom: 1px solid #e5e7eb;
}

.navbar .logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 22px;
    font-weight: 700;
    color: #2563eb;
}

.navbar .logo i {
    font-size: 24px;
}

/* Language switch for login navbar */
.navbar .lang-switch {
    display: flex;
    align-items: center;
    gap: 4px;
    background: #F1F5F9;
    padding: 4px;
    border-radius: 999px;
    border: 1px solid #e5e7eb;
}

.navbar .lang-switch button {
    border: none;
    background: transparent;
    color: #6b7280;
    border-radius: 999px;
    padding: 5px 10px;
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
    transition: all .2s;
}

.navbar .lang-switch button.active {
    background: #2563eb;
    color: #fff;
}

/* ================= HERO ================= */

.hero {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px 70px;
}

.hero-content {
    width: 100%;
    max-width: 650px;
    text-align: center;
}

.hero h1 {
    font-size: 48px;
    line-height: 1.2;
    margin-bottom: 24px;
    font-weight: 800;
    color: #111827;
}

.hero p {
    font-size: 18px;
    color: #6b7280;
    line-height: 1.8;
    margin-bottom: 40px;
}

#loginBtn {
    background: #2563eb;
    color: white;
    border: none;
    border-radius: 12px;
    padding: 18px 34px;
    cursor: pointer;
    font-size: 17px;
    font-weight: 600;
    transition: .3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

#loginBtn:hover {
    background: #1d4ed8;
    transform: translateY(-3px);
}

#loginBtn i {
    margin-right: 0;
}

.register {
    margin-top: 25px;
    color: #6b7280;
    font-size: 15px;
}

.register a {
    text-decoration: none;
    color: #2563eb;
    font-weight: 600;
}

.register a:hover {
    text-decoration: underline;
}

/* ================= FOOTER ================= */

footer {
    height: 70px;
    border-top: 1px solid #e5e7eb;
    background: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 28px;
    flex-wrap: wrap;
}

footer a {
    color: #6b7280;
    text-decoration: none;
    font-size: 14px;
}

footer a:hover {
    color: #2563eb;
}

/* ================= RESPONSIVE ================= */

@media (max-width: 1400px) {
    .navbar { padding: 0 50px; }
    .hero { padding: 35px 50px; }
}

@media (max-width: 1200px) {
    .navbar { padding: 0 40px; }
    .hero { padding: 30px 40px; }
    .hero h1 { font-size: 40px; }
}

@media (max-width: 768px) {
    .navbar { padding: 0 24px; }
    .hero { padding: 25px 24px; }

    .hero-content { max-width: 100%; }

    .hero h1 {
        font-size: 32px;
        margin-bottom: 20px;
    }

    .hero p {
        font-size: 16px;
        margin-bottom: 32px;
    }

    #loginBtn {
        padding: 16px 28px;
        font-size: 16px;
        width: 100%;
    }

    .login-wrap { max-width: 100%; }
    .login-card { padding: 26px; }

    .lang-switch button {
        font-size: 11px;
        padding: 3px 8px;
    }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 28px; }
    .hero p { font-size: 15px; line-height: 1.6; }
    #loginBtn { padding: 15px 24px; font-size: 15px; }
    .navbar { height: 64px; }
    .navbar .logo { font-size: 20px; gap: 10px; }
}